/* ============================================================
   LUMO — Design System (single file)
   Blue + White · Inter · Light + Dark
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ============================================================
   TOKENS — LIGHT MODE (default)
   ============================================================ */

:root {
    /* Surfaces */
    --color-background:          #F8FAFC;
    --color-surface:             #FFFFFF;
    --color-surface-subtle:      #F1F5F9;
    --color-surface-elevated:    #FFFFFF;

    /* Borders */
    --color-border:              #E2E8F0;
    --color-border-strong:       #CBD5E1;
    --color-border-interactive:  #94A3B8;

    /* Text */
    --color-text-primary:        #0F172A;
    --color-text-secondary:      #475569;
    --color-text-tertiary:       #64748B;
    --color-text-disabled:       #94A3B8;

    /* Brand */
    --color-primary:             #2563EB;
    --color-primary-hover:       #1D4ED8;
    --color-primary-subtle:      #EFF6FF;
    --color-primary-contrast:    #FFFFFF;

    /* Semantic */
    --color-success:             #15803D;
    --color-success-subtle:      #F0FDF4;
    --color-warning:             #B45309;
    --color-warning-subtle:      #FFFBEB;
    --color-danger:              #DC2626;
    --color-danger-subtle:       #FEF2F2;
    --color-info:                #2563EB;
    --color-info-subtle:         #EFF6FF;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --text-display:   56px;
    --text-h1:        40px;
    --text-h2:        28px;
    --text-h3:        20px;
    --text-h4:        17px;
    --text-body-lg:   17px;
    --text-body:      15px;
    --text-body-sm:   13px;
    --text-caption:   12px;
    --text-label:     11px;
    --text-button:    14px;

    --weight-regular:   400;
    --weight-medium:    500;
    --weight-semibold:  600;
    --weight-bold:      700;

    --leading-tight:    1.15;
    --leading-snug:     1.3;
    --leading-normal:   1.5;
    --leading-relaxed:  1.65;

    --tracking-tight:   -0.025em;
    --tracking-normal:  0;
    --tracking-wide:    0.05em;

    /* Spacing */
    --space-1:   4px;
    --space-2:   8px;
    --space-3:   12px;
    --space-4:   16px;
    --space-5:   20px;
    --space-6:   24px;
    --space-8:   32px;
    --space-10:  40px;
    --space-12:  48px;
    --space-16:  64px;
    --space-20:  80px;
    --space-24:  96px;

    /* Radius */
    --radius-xs:    4px;
    --radius-sm:    6px;
    --radius-md:    8px;
    --radius-lg:    12px;
    --radius-xl:    16px;
    --radius-2xl:   24px;
    --radius-full:  9999px;

    /* Borders */
    --border-width:         1px;
    --border-width-strong:  1.5px;

    /* Shadows */
    --shadow-xs:  0 1px 2px 0 rgba(15, 23, 42, 0.04);
    --shadow-sm:  0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.05);
    --shadow-md:  0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-lg:  0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.06);

    /* Motion */
    --duration-instant:  80ms;
    --duration-fast:     150ms;
    --duration-normal:   220ms;
    --duration-slow:     320ms;

    --ease-standard:  cubic-bezier(0.2, 0, 0, 1);
    --ease-out:       cubic-bezier(0.16, 1, 0.3, 1);

    /* Layout */
    --sidebar-width:            240px;
    --topbar-height:            56px;
    --bottomnav-height:         60px;
    --container-sm:  640px;
    --container-md:  768px;
    --container-lg:  1024px;
    --container-xl:  1280px;
}

/* ============================================================
   TOKENS — DARK MODE
   ============================================================ */

[data-theme="dark"] {
    --color-background:          #0B1220;
    --color-surface:             #131C2E;
    --color-surface-subtle:      #1E293B;
    --color-surface-elevated:    #1E293B;

    --color-border:              #29344B;
    --color-border-strong:       #4A5878;
    --color-border-interactive:  #5B6883;

    --color-text-primary:        #F1F5F9;
    --color-text-secondary:      #CBD5E1;
    --color-text-tertiary:       #94A3B8;
    --color-text-disabled:       #64748B;

    --color-primary:             #3B82F6;
    --color-primary-hover:       #60A5FA;
    --color-primary-subtle:      #142A4F;
    --color-primary-contrast:    #0B1220;

    --color-success:             #22C55E;
    --color-success-subtle:      #0A2317;
    --color-warning:             #F59E0B;
    --color-warning-subtle:      #2A1D06;
    --color-danger:              #EF4444;
    --color-danger-subtle:       #2A0F0F;
    --color-info:                #3B82F6;
    --color-info-subtle:         #142A4F;

    --shadow-xs:  0 1px 2px 0 rgba(0, 0, 0, 0.35);
    --shadow-sm:  0 1px 3px 0 rgba(0, 0, 0, 0.40), 0 1px 2px -1px rgba(0, 0, 0, 0.35);
    --shadow-md:  0 4px 6px -1px rgba(0, 0, 0, 0.45), 0 2px 4px -2px rgba(0, 0, 0, 0.35);
    --shadow-lg:  0 10px 15px -3px rgba(0, 0, 0, 0.50), 0 4px 6px -4px rgba(0, 0, 0, 0.40);
}

/* ============================================================
   RESPONSIVE TYPOGRAPHY
   ============================================================ */

@media (max-width: 767px) {
    :root {
        --text-display:  40px;
        --text-h1:       32px;
        --text-h2:       24px;
        --text-h3:       18px;
        --text-h4:       16px;
        --text-body-lg:  16px;
        --text-body:     15px;
        --text-body-sm:  13px;
    }
}

/* ============================================================
   RESET
   ============================================================ */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: var(--font-sans);
    font-size: var(--text-body);
    font-weight: var(--weight-regular);
    line-height: var(--leading-relaxed);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    transition:
        background-color var(--duration-fast) var(--ease-standard),
        color var(--duration-fast) var(--ease-standard);
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
    height: auto;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
    background: transparent;
    border: none;
}

button {
    cursor: pointer;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
    text-underline-offset: 2px;
}

:focus {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-xs);
}

::selection {
    background-color: var(--color-primary);
    color: var(--color-primary-contrast);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4 {
    color: var(--color-text-primary);
    font-weight: var(--weight-bold);
    line-height: var(--leading-tight);
}

h1 { font-size: var(--text-h1); letter-spacing: var(--tracking-tight); }
h2 { font-size: var(--text-h2); letter-spacing: var(--tracking-tight); }
h3 { font-size: var(--text-h3); letter-spacing: -0.015em; line-height: var(--leading-snug); }
h4 { font-size: var(--text-h4); letter-spacing: -0.01em; font-weight: var(--weight-semibold); line-height: var(--leading-snug); }

p {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

small {
    font-size: var(--text-body-sm);
    color: var(--color-text-tertiary);
}

strong, b {
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */

.container {
    width: 100%;
    max-width: var(--container-xl);
    margin-inline: auto;
    padding-inline: var(--space-6);
}

.container-sm { max-width: var(--container-sm); margin-inline: auto; padding-inline: var(--space-6); }
.container-md { max-width: var(--container-md); margin-inline: auto; padding-inline: var(--space-6); }
.container-lg { max-width: var(--container-lg); margin-inline: auto; padding-inline: var(--space-6); }

@media (max-width: 767px) {
    .container,
    .container-sm,
    .container-md,
    .container-lg {
        padding-inline: var(--space-4);
    }
}

.stack > * + * { margin-top: var(--space-4); }
.stack-sm > * + * { margin-top: var(--space-2); }
.stack-lg > * + * { margin-top: var(--space-8); }

.cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3);
}

.cluster-between { justify-content: space-between; }
.cluster-center { justify-content: center; }
.cluster-end { justify-content: flex-end; }

.grid { display: grid; gap: var(--space-4); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 1023px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 639px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}

.centered {
    display: flex;
    align-items: center;
    justify-content: center;
}

.centered-full {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--space-6);
}

.section { padding-block: var(--space-12); }
.section-lg { padding-block: var(--space-20); }

@media (max-width: 767px) {
    .section { padding-block: var(--space-8); }
    .section-lg { padding-block: var(--space-12); }
}

.divider {
    border: 0;
    border-top: var(--border-width) solid var(--color-border);
    margin-block: var(--space-6);
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.w-full { width: 100%; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================================
   COMPONENT — BUTTON
   ============================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: var(--text-button);
    font-weight: var(--weight-semibold);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: var(--border-width) solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
    transition:
        background-color var(--duration-instant) var(--ease-standard),
        border-color var(--duration-instant) var(--ease-standard),
        color var(--duration-instant) var(--ease-standard),
        transform var(--duration-instant) var(--ease-standard);
}

.btn:active:not(:disabled) { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }

.btn-sm { height: 32px; padding-inline: var(--space-3); font-size: var(--text-body-sm); border-radius: var(--radius-sm); }
.btn-md { height: 40px; padding-inline: var(--space-4); }
.btn-lg { height: 48px; padding-inline: var(--space-5); font-size: var(--text-body); }
.btn-block { display: flex; width: 100%; }

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-primary-contrast);
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
    text-decoration: none;
    color: var(--color-primary-contrast);
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border-color: var(--color-border-strong);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-surface-subtle);
    border-color: var(--color-border-interactive);
    text-decoration: none;
    color: var(--color-text-primary);
}

.btn-tertiary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: transparent;
}

.btn-tertiary:hover:not(:disabled) {
    background-color: var(--color-surface-subtle);
    text-decoration: none;
    color: var(--color-text-primary);
}

.btn-danger {
    background-color: transparent;
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-danger-subtle);
    text-decoration: none;
    color: var(--color-danger);
}

.btn-icon {
    width: 40px;
    padding: 0;
}

/* ============================================================
   COMPONENT — FIELD (label + input + helper)
   ============================================================ */

.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.field-label {
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    line-height: var(--leading-snug);
}

.field-hint {
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
}

.field-error {
    font-size: var(--text-caption);
    color: var(--color-danger);
}

/* ============================================================
   COMPONENT — INPUT / TEXTAREA / SELECT
   ============================================================ */

.input {
    display: block;
    width: 100%;
    height: 40px;
    padding: 0 var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-body);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-md);
    transition:
        border-color var(--duration-fast) var(--ease-standard),
        box-shadow var(--duration-fast) var(--ease-standard);
    -webkit-appearance: none;
    appearance: none;
}

.input::placeholder { color: var(--color-text-tertiary); }

.input:hover:not(:focus):not(:disabled) {
    border-color: var(--color-border-interactive);
}

.input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.input:disabled {
    background-color: var(--color-surface-subtle);
    color: var(--color-text-disabled);
    cursor: not-allowed;
}

.textarea {
    display: block;
    width: 100%;
    min-height: 96px;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-body);
    line-height: var(--leading-normal);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-md);
    resize: vertical;
    transition:
        border-color var(--duration-fast) var(--ease-standard),
        box-shadow var(--duration-fast) var(--ease-standard);
    -webkit-appearance: none;
    appearance: none;
}

.textarea::placeholder { color: var(--color-text-tertiary); }

.textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.select {
    display: block;
    width: 100%;
    height: 40px;
    padding: 0 var(--space-10) 0 var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-body);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-md);
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 16px;
    transition:
        border-color var(--duration-fast) var(--ease-standard),
        box-shadow var(--duration-fast) var(--ease-standard);
}

.select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

[data-theme="dark"] .select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

/* ============================================================
   COMPONENT — CHECKBOX / RADIO
   ============================================================ */

.checkbox {
    display: inline-flex;
    align-items: flex-start;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-body);
    color: var(--color-text-primary);
}

.checkbox-input {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    border: var(--border-width-strong) solid var(--color-border-strong);
    border-radius: var(--radius-xs);
    background-color: var(--color-surface);
    cursor: pointer;
    position: relative;
    transition: all var(--duration-fast) var(--ease-standard);
}

.checkbox-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-input:checked::after {
    content: "";
    position: absolute;
    top: 2px;
    left: 5px;
    width: 5px;
    height: 9px;
    border: solid var(--color-primary-contrast);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.radio {
    display: inline-flex;
    align-items: flex-start;
    gap: var(--space-2);
    cursor: pointer;
    font-size: var(--text-body);
    color: var(--color-text-primary);
}

.radio-input {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    border: var(--border-width-strong) solid var(--color-border-strong);
    border-radius: 50%;
    background-color: var(--color-surface);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}

.radio-input:checked {
    border-color: var(--color-primary);
    border-width: 6px;
}

/* ============================================================
   COMPONENT — BADGE
   ============================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px var(--space-2);
    font-size: var(--text-caption);
    font-weight: var(--weight-semibold);
    line-height: 1.4;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-neutral { background-color: var(--color-surface-subtle); color: var(--color-text-secondary); }
.badge-info { background-color: var(--color-info-subtle); color: var(--color-info); }
.badge-success { background-color: var(--color-success-subtle); color: var(--color-success); }
.badge-warning { background-color: var(--color-warning-subtle); color: var(--color-warning); }
.badge-danger { background-color: var(--color-danger-subtle); color: var(--color-danger); }
.badge-outline {
    background-color: transparent;
    color: var(--color-text-secondary);
    border: var(--border-width) solid var(--color-border-strong);
}

/* ============================================================
   COMPONENT — CHIP
   ============================================================ */

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    height: 28px;
    padding: 0 var(--space-3);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border-strong);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-standard);
}

.chip:hover {
    background-color: var(--color-surface-subtle);
    text-decoration: none;
    color: var(--color-text-secondary);
}

.chip[aria-pressed="true"],
.chip.is-selected {
    background-color: var(--color-primary-subtle);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.chip:has(input[type="radio"]:checked),
.chip:has(input[type="checkbox"]:checked) {
    background-color: var(--color-primary-subtle);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.chip-static {
    cursor: default;
    background-color: var(--color-surface-subtle);
    border-color: transparent;
}


/* ============================================================
   COMPONENT — AVATAR
   ============================================================ */

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 50%;
    font-family: var(--font-sans);
    font-weight: var(--weight-semibold);
    color: var(--color-primary);
    background-color: var(--color-primary-subtle);
    overflow: hidden;
    user-select: none;
}

.avatar img { width: 100%; height: 100%; object-fit: cover; }

.avatar-xs { width: 20px; height: 20px; font-size: 9px; }
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar-md { width: 40px; height: 40px; font-size: 14px; }
.avatar-lg { width: 56px; height: 56px; font-size: 18px; }
.avatar-xl { width: 80px; height: 80px; font-size: 26px; }

/* ============================================================
   COMPONENT — CARD
   ============================================================ */

.card {
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.card-interactive {
    display: block;
    color: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: border-color var(--duration-fast) var(--ease-standard);
}

.card-interactive:hover {
    border-color: var(--color-border-interactive);
    text-decoration: none;
    color: inherit;
}

/* ============================================================
   COMPONENT — NOTE / CALLOUT
   ============================================================ */

.note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-body-sm);
    line-height: var(--leading-normal);
    border-radius: var(--radius-md);
}

.note-info { background-color: var(--color-info-subtle); color: var(--color-info); }
.note-success { background-color: var(--color-success-subtle); color: var(--color-success); }
.note-warning { background-color: var(--color-warning-subtle); color: var(--color-warning); }
.note-danger { background-color: var(--color-danger-subtle); color: var(--color-danger); }

/* ============================================================
   COMPONENT — PROGRESS BAR
   ============================================================ */

.progress {
    width: 100%;
    height: 6px;
    background-color: var(--color-surface-subtle);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--color-primary);
    border-radius: var(--radius-full);
    transition: width var(--duration-slow) var(--ease-out);
}

/* ============================================================
   COMPONENT — EMPTY STATE
   ============================================================ */

.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
    color: var(--color-text-tertiary);
}

.empty-state-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-surface-subtle);
    color: var(--color-text-tertiary);
    font-size: 24px;
}

.empty-state-title {
    font-size: var(--text-h4);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.empty-state-desc {
    font-size: var(--text-body-sm);
    color: var(--color-text-tertiary);
    max-width: 400px;
    margin: 0 auto var(--space-4);
}

/* ============================================================
   NAVBAR (public pages)
   ============================================================ */

.navbar {
    background-color: var(--color-surface);
    border-bottom: var(--border-width) solid var(--color-border);
    padding: var(--space-3) var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    font-size: 20px;
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    text-decoration: none;
    letter-spacing: var(--tracking-tight);
}

.navbar-brand:hover {
    text-decoration: none;
    color: var(--color-text-primary);
}

.navbar-brand .brand-primary {
    color: var(--color-primary);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    color: var(--color-text-secondary);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-standard);
}

.nav-link:hover {
    color: var(--color-text-primary);
    background-color: var(--color-surface-subtle);
    text-decoration: none;
}

.nav-link.active {
    color: var(--color-primary);
    background-color: var(--color-primary-subtle);
}

/* ============================================================
   THEME TOGGLE
   ============================================================ */

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background-color: var(--color-surface-subtle);
    border: var(--border-width) solid var(--color-border);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}

.theme-toggle:hover {
    background-color: var(--color-surface-subtle);
    color: var(--color-text-primary);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

/* ============================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================ */

@media (max-width: 767px) {
    .navbar {
        padding: var(--space-3) var(--space-4);
    }
    .navbar-links .nav-link {
        display: none;
    }
    .navbar-links .nav-link.always-show {
        display: inline-flex;
    }
}


/* ============================================================
   ============================================================
   PHASE A3 — COMPLEX COMPONENTS
   ============================================================
   ============================================================ */


/* ============================================================
   COMPONENT — TABS
   ============================================================ */

.tabs {
    display: flex;
    gap: var(--space-1);
    border-bottom: var(--border-width) solid var(--color-border);
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-standard);
}

.tab:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}

.tab.active,
.tab[aria-selected="true"] {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    font-weight: var(--weight-semibold);
}

.tab:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
    border-radius: var(--radius-xs);
}

.tab-panel {
    padding-top: var(--space-5);
}

.tab-panel[hidden] {
    display: none;
}


/* ============================================================
   COMPONENT — SEGMENTED CONTROL
   ============================================================ */

.segmented {
    display: inline-flex;
    padding: 2px;
    background-color: var(--color-surface-subtle);
    border-radius: var(--radius-md);
    gap: 2px;
}

.segmented-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-sans);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: all var(--duration-fast) var(--ease-standard);
}

.segmented-item:hover {
    color: var(--color-text-primary);
    text-decoration: none;
}

.segmented-item.active,
.segmented-item[aria-pressed="true"] {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    font-weight: var(--weight-semibold);
    box-shadow: var(--shadow-xs);
}


/* ============================================================
   COMPONENT — DROPDOWN / POPOVER
   ============================================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-panel {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 180px;
    padding: var(--space-1);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition:
        opacity var(--duration-fast) var(--ease-standard),
        transform var(--duration-fast) var(--ease-standard),
        visibility var(--duration-fast) var(--ease-standard);
}

.dropdown.open .dropdown-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-primary);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    width: 100%;
    text-align: left;
    transition: background-color var(--duration-instant) var(--ease-standard);
}

.dropdown-item:hover {
    background-color: var(--color-surface-subtle);
    text-decoration: none;
    color: var(--color-text-primary);
}

.dropdown-item.danger {
    color: var(--color-danger);
}

.dropdown-item.danger:hover {
    background-color: var(--color-danger-subtle);
}

.dropdown-divider {
    height: 1px;
    margin: var(--space-1) 0;
    background-color: var(--color-border);
    border: none;
}


/* ============================================================
   COMPONENT — MODAL
   ============================================================ */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.5);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--duration-slow) var(--ease-standard),
        visibility var(--duration-slow) var(--ease-standard);
}

.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: 480px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transform: translateY(8px);
    transition: transform var(--duration-slow) var(--ease-out);
}

.modal-backdrop.open .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-5);
    border-bottom: var(--border-width) solid var(--color-border);
}

.modal-title {
    font-size: var(--text-h4);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    line-height: var(--leading-snug);
}

.modal-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}

.modal-close:hover {
    background-color: var(--color-surface-subtle);
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--space-5);
    overflow-y: auto;
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    border-top: var(--border-width) solid var(--color-border);
}

/* Mobile — bottom sheet */
@media (max-width: 639px) {
    .modal-backdrop {
        align-items: flex-end;
        padding: 0;
    }

    .modal {
        max-width: 100%;
        max-height: 90vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        transform: translateY(100%);
    }

    .modal-backdrop.open .modal {
        transform: translateY(0);
    }

    .modal-footer {
        padding-bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
    }
}


/* ============================================================
   COMPONENT — TOAST
   ============================================================ */

.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    min-width: 300px;
    max-width: 400px;
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--text-body-sm);
    color: var(--color-text-primary);
    pointer-events: auto;
    animation: toast-in var(--duration-normal) var(--ease-out);
}

.toast.success { border-left: 3px solid var(--color-success); }
.toast.warning { border-left: 3px solid var(--color-warning); }
.toast.danger  { border-left: 3px solid var(--color-danger); }
.toast.info    { border-left: 3px solid var(--color-info); }

.toast-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 639px) {
    .toast-container {
        left: var(--space-4);
        right: var(--space-4);
        bottom: calc(var(--space-4) + env(safe-area-inset-bottom));
    }

    .toast {
        min-width: 0;
        width: 100%;
    }
}


/* ============================================================
   COMPONENT — SKELETON
   ============================================================ */

.skeleton {
    display: block;
    background-color: var(--color-surface-subtle);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.skeleton-text {
    height: 12px;
    margin-bottom: var(--space-2);
}

.skeleton-title {
    height: 20px;
    margin-bottom: var(--space-3);
    width: 60%;
}

.skeleton-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.skeleton-card {
    height: 88px;
    border-radius: var(--radius-lg);
}

.skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 50%,
        transparent 100%
    );
    animation: skeleton-shimmer 1.4s infinite;
}

[data-theme="dark"] .skeleton::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.05) 50%,
        transparent 100%
    );
}

@keyframes skeleton-shimmer {
    from { transform: translateX(-100%); }
    to   { transform: translateX(100%); }
}

@media (prefers-reduced-motion: reduce) {
    .skeleton::after {
        animation: none;
        background: none;
    }
}


/* ============================================================
   COMPONENT — SPINNER
   ============================================================ */

.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-border-strong);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spinner-rotate 0.7s linear infinite;
}

.spinner-lg {
    width: 24px;
    height: 24px;
    border-width: 2.5px;
}

@keyframes spinner-rotate {
    to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
    .spinner {
        animation: none;
        border-top-color: var(--color-border-strong);
    }
}


/* ============================================================
   COMPONENT — ERROR STATE
   ============================================================ */

.error-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.error-state-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-danger-subtle);
    color: var(--color-danger);
    font-size: 24px;
}

.error-state-title {
    font-size: var(--text-h4);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.error-state-desc {
    font-size: var(--text-body-sm);
    color: var(--color-text-tertiary);
    max-width: 400px;
    margin: 0 auto var(--space-4);
}


/* ============================================================
   COMPONENT — TABLE
   ============================================================ */

.table-wrapper {
    overflow-x: auto;
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-body-sm);
}

.table th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    background-color: var(--color-surface-subtle);
    border-bottom: var(--border-width) solid var(--color-border);
    font-size: var(--text-caption);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-text-tertiary);
    white-space: nowrap;
}

.table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: var(--border-width) solid var(--color-border);
    color: var(--color-text-secondary);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

.table tbody tr:hover {
    background-color: var(--color-surface-subtle);
}

.table .numeric {
    text-align: right;
    font-variant-numeric: tabular-nums;
}


/* ============================================================
   COMPONENT — LIST ROW
   ============================================================ */

.list {
    display: flex;
    flex-direction: column;
}

.list-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4) 0;
    border-bottom: var(--border-width) solid var(--color-border);
    text-decoration: none;
    color: inherit;
}

.list-row:last-child {
    border-bottom: none;
}

.list-row:hover {
    text-decoration: none;
    color: inherit;
}

.list-row-main {
    flex: 1;
    min-width: 0;
}

.list-row-title {
    font-size: var(--text-body);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    line-height: var(--leading-snug);
    margin-bottom: 2px;
}

.list-row-meta {
    font-size: var(--text-body-sm);
    color: var(--color-text-tertiary);
    line-height: var(--leading-snug);
}

.list-row-action {
    flex-shrink: 0;
}

@media (max-width: 639px) {
    .list-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .list-row-action {
        width: 100%;
    }
}


/* ============================================================
   COMPONENT — SECTION HEADING
   ============================================================ */

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.section-heading h2 {
    font-size: var(--text-h3);
    font-weight: var(--weight-semibold);
    letter-spacing: -0.015em;
}

.section-heading-link {
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
}

.section-heading-link:hover {
    color: var(--color-primary-hover);
    text-decoration: none;
}


/* ============================================================
   COMPONENT — STAT (for stat rows)
   ============================================================ */

.stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-6);
    padding: var(--space-5) 0;
    border-top: var(--border-width) solid var(--color-border);
    border-bottom: var(--border-width) solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.stat-value {
    font-size: var(--text-h2);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}

.stat-label {
    font-size: var(--text-caption);
    font-weight: var(--weight-medium);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}


/* ============================================================
   COMPONENT — PROGRESS RING
   ============================================================ */

.progress-ring {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.progress-ring svg {
    transform: rotate(-90deg);
}

.progress-ring-track {
    fill: none;
    stroke: var(--color-surface-subtle);
}

.progress-ring-fill {
    fill: none;
    stroke: var(--color-primary);
    stroke-linecap: round;
    transition: stroke-dashoffset var(--duration-slow) var(--ease-out);
}

.progress-ring-label {
    position: absolute;
    text-align: center;
    font-size: var(--text-h3);
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    font-variant-numeric: tabular-nums;
}


/* ============================================================
   COMPONENT — SIDEBAR (desktop shell)
   ============================================================ */

.app-shell {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background-color: var(--color-surface);
    border-right: var(--border-width) solid var(--color-border);
    padding: var(--space-5) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    padding: 0 var(--space-3);
    font-size: 18px;
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    text-decoration: none;
    letter-spacing: var(--tracking-tight);
}

.sidebar-brand:hover {
    text-decoration: none;
    color: var(--color-text-primary);
}

.sidebar-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-group-label {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-label);
    font-weight: var(--weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-body-sm);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-standard);
}

.sidebar-link:hover {
    background-color: var(--color-surface-subtle);
    color: var(--color-text-primary);
    text-decoration: none;
}

.sidebar-link.active {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    font-weight: var(--weight-semibold);
}

.sidebar-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Hide sidebar on mobile */
@media (max-width: 767px) {
    .app-sidebar {
        display: none;
    }
}


/* ============================================================
   COMPONENT — TOP UTILITY BAR (inside app shell)
   ============================================================ */

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    height: var(--topbar-height);
    padding: 0 var(--space-6);
    background-color: var(--color-surface);
    border-bottom: var(--border-width) solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    position: sticky;
    top: 0;
    z-index: 90;
}

.app-topbar-title {
    font-size: var(--text-h4);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    letter-spacing: -0.01em;
}

.app-topbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

@media (max-width: 767px) {
    .app-topbar {
        padding: 0 var(--space-4);
    }
}


/* ============================================================
   COMPONENT — BOTTOM NAV (mobile only)
   ============================================================ */

.bottom-nav {
    display: none;
}

@media (max-width: 767px) {
    .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: calc(var(--bottomnav-height) + env(safe-area-inset-bottom));
        padding-bottom: env(safe-area-inset-bottom);
        background-color: var(--color-surface);
        border-top: var(--border-width) solid var(--color-border);
        z-index: 100;
    }

    .bottom-nav-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        font-size: 10px;
        font-weight: var(--weight-medium);
        color: var(--color-text-tertiary);
        text-decoration: none;
        padding: var(--space-2) var(--space-1);
        transition: color var(--duration-fast) var(--ease-standard);
    }

    .bottom-nav-item:hover {
        text-decoration: none;
        color: var(--color-text-secondary);
    }

    .bottom-nav-item.active {
        color: var(--color-primary);
    }

    .bottom-nav-item svg {
        width: 22px;
        height: 22px;
        stroke-width: 2;
    }

    /* Space for bottom nav */
    .app-main {
        padding-bottom: calc(var(--bottomnav-height) + env(safe-area-inset-bottom));
    }
}


/* ============================================================
   COMPONENT — PAGE HEADER (inside app shell)
   ============================================================ */

.page-header {
    padding: var(--space-8) var(--space-6) var(--space-6);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.page-header-content {
    flex: 1;
    min-width: 0;
}

.page-title {
    font-size: var(--text-h1);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text-primary);
    line-height: var(--leading-tight);
    margin-bottom: var(--space-1);
}

.page-subtitle {
    font-size: var(--text-body);
    color: var(--color-text-tertiary);
    line-height: var(--leading-snug);
}

.page-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-shrink: 0;
}

.page-body {
    padding: 0 var(--space-6) var(--space-12);
}

@media (max-width: 767px) {
    .page-header {
        padding: var(--space-5) var(--space-4) var(--space-4);
    }

    .page-title {
        font-size: var(--text-h2);
    }

    .page-body {
        padding: 0 var(--space-4) var(--space-10);
    }
}


/* ============================================================
   COMPONENT — PAGE SECTION (inside app shell)
   ============================================================ */

.page-section {
    margin-bottom: var(--space-8);
}

.page-section:last-child {
    margin-bottom: 0;
}


/* ============================================================
   LUMO — EXTENSION PACK
   Appended: SVG sizing fix, hero band, scroll reveal,
   marketing page helpers, footer.
   Nothing above this point has been changed.
   ============================================================ */


/* ------------------------------------------------------------
   FIX — Inline SVG sizing safety net
   The reset rule `svg { max-width: 100%; height: auto; }`
   causes SVGs without explicit width/height to balloon.
   This caps them to 1em unless width/height attrs are present.
   ------------------------------------------------------------ */

svg {
    width: 1em;
    height: 1em;
}

svg[width][height] {
    width: auto;
    height: auto;
}


/* ------------------------------------------------------------
   HERO BAND (public marketing pages)
   Soft blue in light mode, deep navy in dark mode.
   ------------------------------------------------------------ */

.hero-band {
    background-color: var(--color-primary-subtle);
    border-bottom: var(--border-width) solid var(--color-border);
    padding-block: var(--space-20) var(--space-16);
}

[data-theme="dark"] .hero-band {
    background-color: #0E1730;
}

.hero-band-inner {
    max-width: var(--container-lg);
    margin-inline: auto;
    padding-inline: var(--space-6);
    text-align: center;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-caption);
    font-weight: var(--weight-semibold);
    color: var(--color-primary);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-5);
}

.hero-headline {
    font-size: var(--text-display);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-5);
}

.hero-sub {
    font-size: var(--text-body-lg);
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto var(--space-8);
    line-height: var(--leading-relaxed);
}

.hero-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
}

.hero-note {
    margin-top: var(--space-4);
    font-size: var(--text-body-sm);
    color: var(--color-text-tertiary);
}

@media (max-width: 767px) {
    .hero-band {
        padding-block: var(--space-12) var(--space-10);
    }
    .hero-band-inner {
        padding-inline: var(--space-4);
    }
}


/* ------------------------------------------------------------
   LEARNING COMPANION WORDMARK
   The only gradient permitted in the system.
   ------------------------------------------------------------ */

.lc-gradient {
    background-image: linear-gradient(135deg, #2563EB 0%, #60A5FA 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}


/* ------------------------------------------------------------
   SCROLL REVEAL
   ------------------------------------------------------------ */

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity var(--duration-slow) var(--ease-out),
        transform var(--duration-slow) var(--ease-out);
    will-change: opacity, transform;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}


/* ------------------------------------------------------------
   MARKETING — FEATURE ICON TILE
   ------------------------------------------------------------ */

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
    stroke-width: 2;
}


/* ------------------------------------------------------------
   MARKETING — STEP NUMBER (flat, no gradient)
   ------------------------------------------------------------ */

.step-number {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    font-weight: var(--weight-bold);
    font-size: var(--text-body);
    margin-bottom: var(--space-4);
}


/* ------------------------------------------------------------
   MARKETING — FAQ
   ------------------------------------------------------------ */

.faq-item {
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin-bottom: var(--space-3);
}

.faq-question {
    font-size: var(--text-h4);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
    line-height: var(--leading-snug);
}

.faq-answer {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
}


/* ------------------------------------------------------------
   MARKETING — PROSE BLOCK (founder section)
   ------------------------------------------------------------ */

.prose-block {
    max-width: 640px;
    margin-inline: auto;
    text-align: center;
}

.prose-block p {
    font-size: var(--text-body-lg);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}


/* ------------------------------------------------------------
   SITE FOOTER
   ------------------------------------------------------------ */

.site-footer {
    border-top: var(--border-width) solid var(--color-border);
    padding-block: var(--space-8);
    text-align: center;
    margin-top: 0;
}

.site-footer p {
    font-size: var(--text-body-sm);
    color: var(--color-text-tertiary);
    line-height: var(--leading-relaxed);
}


/* ============================================================
   TYPOGRAPHY — STATEMENT HEADING
   For the one line that carries the page's thesis.
   ============================================================ */

.heading-statement {
    font-size: var(--text-h1);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-5);
}

@media (max-width: 767px) {
    .heading-statement {
        font-size: var(--text-h2);
        font-weight: 800;
    }
}


/* ============================================================
   SECTION — FEATURED BAND
   A soft-tinted section band, for the thesis or the CTA.
   ============================================================ */

.section-featured {
    background-color: var(--color-primary-subtle);
    border-block: var(--border-width) solid var(--color-border);
    padding-block: var(--space-20) var(--space-16);
    margin-top: var(--space-12);
}

[data-theme="dark"] .section-featured {
    background-color: #0E1730;
}

@media (max-width: 767px) {
    .section-featured {
        padding-block: var(--space-12);
    }
}



/* ============================================================
   AUTH LAYOUT — split screen
   Left: form. Right: soft-tinted info panel.
   Collapses to single-column on mobile.
   ============================================================ */

.auth-shell {
    display: grid;
    grid-template-columns: 13fr 7fr;
    min-height: calc(100vh - 57px);
}

.auth-pane {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    background-color: var(--color-surface-subtle);
}

.auth-pane-inner {
    width: 100%;
    max-width: 380px;
}

.auth-aside {
    background-color: var(--color-primary-subtle);
    border-left: var(--border-width) solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-10);
}

[data-theme="dark"] .auth-aside {
    background-color: #0E1730;
}

.auth-aside-inner {
    width: 100%;
    max-width: 400px;
    color: var(--color-text-primary);
}

.auth-aside-mark {
    font-size: 18px;
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-10);
    display: inline-block;
}

.auth-aside-heading {
    font-size: var(--text-h2);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: var(--leading-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

.auth-aside-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-aside-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: var(--leading-snug);
}

.auth-aside-list li::before {
    content: "";
    flex-shrink: 0;
    width: 6px;
    height: 6px;
    margin-top: 8px;
    border-radius: 50%;
    background-color: var(--color-primary);
}

@media (max-width: 900px) {
    .auth-shell {
        grid-template-columns: 1fr;
        min-height: calc(100vh - 57px);
    }

    .auth-aside {
        display: none;
    }

    .auth-pane {
        padding: var(--space-8) var(--space-4);
    }
}



/* ============================================================
   AUTH LAYOUT — single column override
   Applies even if the base .auth-shell rule comes after.
   ============================================================ */

.auth-shell.auth-shell-single {
    grid-template-columns: 1fr;
}

..auth-shell.auth-shell-single .auth-pane {
    background-color: var(--color-background);
    padding-block: var(--space-16);
}
/* ============================================================
   AUTH — ROLE PICKER
   A 2×2 grid of selectable tiles. Uses :has() to detect the
   checked radio and style the parent label.
   ============================================================ */

.role-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-3);
    margin-top: var(--space-1);
}

.role-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-3);
    cursor: pointer;
    background-color: var(--color-surface);
    border: var(--border-width-strong) solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-standard);
}

.role-card:hover {
    border-color: var(--color-border-interactive);
    background-color: var(--color-surface-subtle);
}

.role-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.role-card.selected,
.role-card:has(input:checked) {
    border-color: var(--color-primary);
    background-color: var(--color-primary-subtle);
}

.role-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--color-text-secondary);
    transition: color var(--duration-fast) var(--ease-standard);
}

.role-icon svg {
    width: 22px;
    height: 22px;
    stroke-width: 2;
}

.role-card.selected .role-icon,
.role-card:has(input:checked) .role-icon {
    color: var(--color-primary);
}

.role-label {
    font-size: var(--text-body-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    line-height: 1;
}



/* ============================================================
   LIST ROW — leading icon variant
   Optional icon slot on the left of a list row.
   ============================================================ */

.list-row-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background-color: var(--color-surface-subtle);
    color: var(--color-text-secondary);
}

.list-row-icon svg {
    width: 18px;
    height: 18px;
    stroke-width: 1.75;
}

a.list-row:hover .list-row-icon {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
}






/* ============================================================
   TABS — active panel visibility
   ============================================================ */

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn 0.25s var(--ease-out);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.tab svg {
    flex-shrink: 0;
}

/* Brand mark beside wordmark */
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-brand svg {
    width: 22px;
    height: 22px;
}



.card {
    transition: all 0.15s;
}
.card:hover {
    border-color: var(--color-border-interactive);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat {
    transition: all 0.15s;
    padding: var(--space-3) var(--space-4);
    margin: calc(var(--space-3) * -1) calc(var(--space-4) * -1);
    border-radius: var(--radius-md);
}
.stat:hover {
    background-color: var(--color-surface-subtle);
    transform: translateY(-2px);
}





/* ============================================================
   PAGE ENTRANCE
   Gentle fade + rise when a page loads. Slower, softer.
   ============================================================ */

@keyframes pageEnter {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

main.container,
main.auth-shell,
.app-main {
    animation: pageEnter 700ms var(--ease-out) both;
}

/* Stagger children — bigger delay so the cascade is visible */
main.container > *,
main.auth-shell > * {
    animation: pageEnter 700ms var(--ease-out) both;
}

main.container > *:nth-child(1) { animation-delay: 0ms; }
main.container > *:nth-child(2) { animation-delay: 100ms; }
main.container > *:nth-child(3) { animation-delay: 200ms; }
main.container > *:nth-child(4) { animation-delay: 300ms; }
main.container > *:nth-child(5) { animation-delay: 400ms; }
main.container > *:nth-child(6) { animation-delay: 500ms; }
main.container > *:nth-child(n+7) { animation-delay: 600ms; }

@media (prefers-reduced-motion: reduce) {
    main.container,
    main.auth-shell,
    main.container > *,
    main.auth-shell > *,
    .app-main {
        animation: none;
    }
}




/* ============================================================
   CHIP — duration picker selected state (larger click targets)
   ============================================================ */

.chip-choice {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-3) var(--space-2);
    height: auto;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-standard);
}

.chip-choice input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.chip-choice .chip-choice-label {
    font-weight: var(--weight-semibold);
    font-size: var(--text-body-sm);
    color: var(--color-text-primary);
}

.chip-choice .chip-choice-price {
    font-size: var(--text-caption);
    color: var(--color-text-tertiary);
    margin-top: 2px;
}

.chip-choice:hover {
    background-color: var(--color-surface-subtle);
    border-color: var(--color-border-interactive);
}

.chip-choice:has(input:checked) {
    background-color: #6e56cf;
    border-color: #6e56cf;
    color: #ffffff;
}

.chip-choice:has(input:checked) .chip-choice-label {
    color: #ffffff;
}

.chip-choice:has(input:checked) .chip-choice-price {
    color: rgba(255, 255, 255, 0.75);
}



/* ============================================================
   BOTTOM NAV — page padding fix
   Standard .container pages need bottom padding on mobile
   so the fixed bottom nav doesn't overlap the footer.
   ============================================================ */

@media (max-width: 767px) {
    body {
        padding-bottom: calc(var(--bottomnav-height) + env(safe-area-inset-bottom));
    }
}



/* ============================================================
   TWO-COLUMN STACKING
   Collapses side-by-side layouts on mobile so nothing
   spills off-screen.
   ============================================================ */

.two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    align-items: start;
}

@media (min-width: 900px) {
    .two-col {
        grid-template-columns: 1fr 340px;
    }
}

@media (max-width: 768px) {
    .msg-label { display: none; }
    .msg-icon  { display: inline-block !important; }
}


body {
    overflow-wrap: break-word;
}

/* ============================================================
   CHIP-CHOICE — checked state override
   Ensures the selected day chip reads clearly on light mode.
   Declared last so it wins over .chip:has(...) source order.
   ============================================================ */

.chip.chip-choice:has(input:checked) {
    background-color: #6e56cf;
    border-color: #6e56cf;
    color: #ffffff;
}

.chip.chip-choice:has(input:checked) .chip-choice-label {
    color: #ffffff;
}

.chip.chip-choice:has(input:checked) .chip-choice-price {
    color: rgba(255, 255, 255, 0.75);
}


/* ============================================================
   APP SHELL — persistent sidebar layout (desktop)
   Wraps content in .app-main, sidebar sits alongside.
   Mobile falls back to .bottom-nav.
   ============================================================ */

.app-shell {
    display: flex;
    align-items: stretch;
    min-height: calc(100vh - 57px); /* navbar height */
}

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* ============================================================
   SIDEBAR
   ============================================================ */

.app-sidebar {
    width: var(--sidebar-width);        /* 260px */
    flex-shrink: 0;
    background-color: var(--color-surface);
    border-right: var(--border-width) solid var(--color-border);
    padding: var(--space-6) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
    position: sticky;
    top: 57px;                           /* navbar height */
    align-self: flex-start;
    height: calc(100vh - 57px);
    overflow-y: auto;
    overflow-x: hidden;
    transition: width var(--duration-normal) var(--ease-standard),
                padding var(--duration-normal) var(--ease-standard);
}

/* Thin scrollbar, matching the app's restraint */
.app-sidebar::-webkit-scrollbar { width: 6px; }
.app-sidebar::-webkit-scrollbar-thumb { background-color: var(--color-border); border-radius: var(--radius-full); }
.app-sidebar::-webkit-scrollbar-track { background: transparent; }

/* Collapse toggle button (lives inside sidebar, top right) */
.sidebar-collapse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-left: auto;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-standard),
                color var(--duration-fast) var(--ease-standard);
}

.sidebar-collapse-btn:hover {
    background-color: var(--color-surface-subtle);
    color: var(--color-text-primary);
}

.sidebar-collapse-btn svg {
    width: 16px;
    height: 16px;
    stroke-width: 2;
    transition: transform var(--duration-normal) var(--ease-standard);
}

.sidebar-group {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.sidebar-group-label {
    padding: var(--space-1) var(--space-3) var(--space-2);
    font-size: var(--text-label);
    font-weight: var(--weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--duration-fast) var(--ease-standard);
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    font-size: var(--text-body);
    font-weight: var(--weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    white-space: nowrap;
    overflow: hidden;
    transition: background-color var(--duration-fast) var(--ease-standard),
                color var(--duration-fast) var(--ease-standard);
}

.sidebar-link:hover {
    background-color: var(--color-surface-subtle);
    color: var(--color-text-primary);
    text-decoration: none;
}

.sidebar-link.active {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    font-weight: var(--weight-semibold);
}

.sidebar-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    stroke-width: 1.75;
}

.sidebar-link .sidebar-label {
    transition: opacity var(--duration-fast) var(--ease-standard);
}

.sidebar-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: var(--radius-full);
    background-color: var(--color-danger);
    color: #ffffff;
    font-size: 11px;
    font-weight: var(--weight-semibold);
    line-height: 1;
    margin-left: auto;
    transition: opacity var(--duration-fast) var(--ease-standard);
}

/* ============================================================
   SIDEBAR — COLLAPSED STATE
   ============================================================ */

.app-shell.sidebar-collapsed .app-sidebar {
    width: 72px;
    padding-left: var(--space-2);
    padding-right: var(--space-2);
}

.app-shell.sidebar-collapsed .sidebar-group-label,
.app-shell.sidebar-collapsed .sidebar-label,
.app-shell.sidebar-collapsed .sidebar-badge {
    display: none;
}

.app-shell.sidebar-collapsed .sidebar-collapse-btn {
    margin-left: auto;
    margin-right: auto;
}

.app-shell.sidebar-collapsed .sidebar-collapse-btn svg {
    transform: rotate(180deg);
}

.app-shell.sidebar-collapsed .sidebar-link {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

.app-shell.sidebar-collapsed .sidebar-link svg {
    margin: 0;
}

/* ============================================================
   SIDEBAR — hide on mobile, bottom-nav takes over
   ============================================================ */

@media (max-width: 1023px) {
    .app-shell {
        min-height: auto;
    }
    .app-sidebar {
        display: none;
    }
    .app-main {
        display: block;
    }
}

/* List row hover */
.list-row {
    transition: background-color var(--duration-fast) var(--ease-standard);
}
.list-row:hover {
    background-color: var(--color-surface-subtle);
}

/* Clip list rows to card corners when card has no padding */
.card:has(> .list) {
    overflow: hidden;
}


:root { color-scheme: light; }
[data-theme="dark"] { color-scheme: dark; }


/* ============================================================
   LUMO PUBLIC HOMEPAGE
   Scoped to the homepage wrapper; all colors come from theme tokens.
   ============================================================ */

.lumo-home {
    min-height: 100vh;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        color var(--duration-slow) var(--ease-standard);
}

.lumo-home .navbar {
    padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
    background-color: var(--color-surface);
    box-shadow: var(--shadow-xs);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-slow) var(--ease-standard),
        box-shadow var(--duration-normal) var(--ease-standard);
}

.lumo-home .navbar-brand {
    font-size: 21px;
}

.lumo-home .navbar-links {
    gap: var(--space-2);
}

.lumo-home .nav-link {
    padding-inline: var(--space-4);
}

.lumo-home .theme-toggle,
.lumo-home .navbar .btn,
.lumo-home .hero-cta-row .btn {
    transition:
        background-color var(--duration-normal) var(--ease-standard),
        border-color var(--duration-normal) var(--ease-standard),
        color var(--duration-normal) var(--ease-standard),
        box-shadow var(--duration-normal) var(--ease-standard),
        transform var(--duration-normal) var(--ease-standard);
}

.lumo-home .navbar .btn:hover,
.lumo-home .hero-cta-row .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.lumo-home .nav-link:hover {
    transform: translateY(-1px);
}

.lumo-home .theme-toggle:hover {
    transform: translateY(-1px);
}

.lumo-home .hero-band {
    padding-block: clamp(var(--space-16), 10vw, var(--space-24));
    background:
        linear-gradient(180deg, var(--color-primary-subtle), var(--color-background));
    border-bottom-color: var(--color-border);
}

.lumo-home .lumo-marketing-hero .hero-band-inner {
    max-width: 880px;
}

.lumo-home .hero-eyebrow {
    margin-bottom: var(--space-6);
    padding: var(--space-2) var(--space-4);
    color: var(--color-primary);
    background-color: var(--color-surface);
    border-color: var(--color-border);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
}

.lumo-home .hero-headline {
    max-width: 800px;
    margin-inline: auto;
    font-size: clamp(44px, 7vw, 76px);
    letter-spacing: -0.045em;
    line-height: 1.04;
}

.lumo-home .lc-gradient {
    background-image: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
}

.lumo-home .hero-sub {
    max-width: 600px;
    font-size: clamp(var(--text-body-lg), 2vw, 19px);
}

.lumo-home .hero-note {
    margin-top: var(--space-5);
}

.lumo-home .section-lg {
    padding-block: clamp(var(--space-16), 8vw, var(--space-24));
}

.lumo-home .lumo-intro {
    padding-top: clamp(var(--space-16), 8vw, var(--space-24));
}

.lumo-home .lumo-intro .prose-block,
.lumo-home .lumo-story .prose-block {
    max-width: 720px;
}

.lumo-home .heading-statement,
.lumo-home .section-lg h2,
.lumo-home .section-featured h2 {
    letter-spacing: -0.035em;
}

.lumo-home .section-lg > .container > .text-center,
.lumo-home .section-lg > .container-md > .text-center {
    margin-bottom: clamp(var(--space-8), 5vw, var(--space-12)) !important;
}

.lumo-home .section-lg h2 {
    font-size: clamp(var(--text-h2), 4vw, 36px);
    line-height: var(--leading-tight);
}

.lumo-home .lumo-features {
    background-color: var(--color-surface-subtle);
    border-block: var(--border-width) solid var(--color-border);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-slow) var(--ease-standard);
}

.lumo-home .feature-carousel-track {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
}

.lumo-home .feature-carousel {
    touch-action: pan-y;
}

.lumo-home .feature-slide {
    min-height: 100%;
    padding: clamp(var(--space-5), 3vw, var(--space-8));
    background-color: var(--color-surface);
    border-color: var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-normal) var(--ease-standard),
        box-shadow var(--duration-normal) var(--ease-standard),
        transform var(--duration-normal) var(--ease-standard);
}

.lumo-home .feature-slide:hover {
    transform: translateY(-3px);
    border-color: var(--color-border-interactive);
    box-shadow: var(--shadow-lg);
}

.lumo-home .feature-slide h3,
.lumo-home .lumo-how .card h3 {
    color: var(--color-text-primary);
    font-size: var(--text-h3);
    letter-spacing: -0.02em;
    line-height: var(--leading-snug);
}

.lumo-home .feature-slide p,
.lumo-home .lumo-how .card p {
    color: var(--color-text-secondary);
}

.lumo-home .feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-5);
    border-radius: var(--radius-lg);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        color var(--duration-slow) var(--ease-standard),
        transform var(--duration-normal) var(--ease-standard);
}

.lumo-home .feature-slide:hover .feature-icon {
    transform: translateY(-2px);
}

.lumo-home .feature-icon svg {
    width: 22px;
    height: 22px;
}

.lumo-home .feature-carousel.is-enhanced .feature-carousel-track {
    display: block;
    overflow: hidden;
}

.lumo-home .feature-carousel.is-enhanced .feature-slide {
    animation: lumo-feature-arrive var(--duration-slow) var(--ease-out) both;
}

.lumo-home .feature-carousel.is-enhanced .feature-slide[hidden],
.lumo-home .feature-carousel-controls[hidden] {
    display: none;
}

.lumo-home .feature-carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.lumo-home .feature-carousel-button {
    display: inline-flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    box-shadow: var(--shadow-xs);
    transition:
        color var(--duration-normal) var(--ease-standard),
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-normal) var(--ease-standard),
        box-shadow var(--duration-normal) var(--ease-standard),
        transform var(--duration-normal) var(--ease-standard);
}

.lumo-home .feature-carousel-button:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.lumo-home .feature-carousel-button svg {
    width: 20px;
    height: 20px;
}

.lumo-home .feature-carousel-status {
    min-width: 52px;
    color: var(--color-text-tertiary);
    font-size: var(--text-body-sm);
    font-variant-numeric: tabular-nums;
    text-align: center;
}

.lumo-home .lumo-how .grid {
    gap: var(--space-5);
}

.lumo-home .lumo-how .card {
    height: 100%;
    padding: clamp(var(--space-5), 3vw, var(--space-8));
    background-color: var(--color-surface);
    border-color: var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-normal) var(--ease-standard),
        box-shadow var(--duration-normal) var(--ease-standard),
        transform var(--duration-normal) var(--ease-standard);
}

.lumo-home .lumo-how .card:hover {
    transform: translateY(-3px);
    border-color: var(--color-border-interactive);
    box-shadow: var(--shadow-md);
}

.lumo-home .step-number {
    width: 44px;
    height: 44px;
    margin-bottom: var(--space-5);
    border: var(--border-width) solid var(--color-border);
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
}

.lumo-home .faq-list {
    display: grid;
    gap: var(--space-3);
}

.lumo-home .faq-item {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-normal) var(--ease-standard),
        box-shadow var(--duration-normal) var(--ease-standard);
}

.lumo-home .faq-item[open] {
    border-color: var(--color-border-interactive);
    box-shadow: var(--shadow-sm);
}

.lumo-home .faq-question {
    position: relative;
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    margin: 0;
    padding: var(--space-5) var(--space-6);
    color: var(--color-text-primary);
    font-size: var(--text-h4);
    line-height: var(--leading-snug);
    cursor: pointer;
    list-style: none;
}

.lumo-home .faq-question::-webkit-details-marker {
    display: none;
}

.lumo-home .faq-question::after {
    content: "+";
    flex: 0 0 auto;
    color: var(--color-primary);
    font-size: 24px;
    font-weight: var(--weight-regular);
    line-height: 1;
    transition: transform var(--duration-normal) var(--ease-standard);
}

.lumo-home .faq-item[open] .faq-question::after {
    transform: rotate(45deg);
}

.lumo-home .faq-question:focus-visible,
.lumo-home .feature-carousel-button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -3px;
    border-radius: var(--radius-md);
}

.lumo-home .faq-answer {
    padding: 0 var(--space-6);
    color: var(--color-text-secondary);
    font-size: var(--text-body);
    line-height: var(--leading-relaxed);
}

.lumo-home .faq-list.faq-ready .faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    padding-block: 0;
    transition: grid-template-rows var(--duration-slow) var(--ease-out);
}

.lumo-home .faq-list.faq-ready .faq-item[open] > .faq-answer {
    grid-template-rows: 1fr;
}

.lumo-home .faq-answer-inner {
    min-height: 0;
    overflow: hidden;
}

.lumo-home .faq-list.faq-ready .faq-item[open] .faq-answer-inner {
    padding-bottom: var(--space-5);
}

.lumo-home .section-featured {
    margin-top: var(--space-8);
    padding-block: clamp(var(--space-12), 8vw, var(--space-20));
    background:
        linear-gradient(180deg, var(--color-primary-subtle), var(--color-background));
    border-color: var(--color-border);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-slow) var(--ease-standard);
}

.lumo-home .lumo-cta .text-center {
    max-width: 760px;
    margin-inline: auto;
}

.lumo-home .lumo-cta h2 {
    font-size: clamp(var(--text-h2), 4vw, 38px);
}

.lumo-home .site-footer {
    padding-block: var(--space-10);
    background-color: var(--color-surface);
    border-top-color: var(--color-border);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-slow) var(--ease-standard);
}

.lumo-home .site-footer a {
    display: inline-block;
    padding-block: var(--space-1);
    color: var(--color-text-secondary);
    transition:
        color var(--duration-normal) var(--ease-standard),
        transform var(--duration-normal) var(--ease-standard);
}

.lumo-home .site-footer a:hover {
    color: var(--color-primary);
    transform: translateY(-1px);
}

.lumo-home .reveal {
    will-change: auto;
}

.lumo-home:not(.has-scroll-reveal) .reveal {
    opacity: 1;
    transform: none;
}

@keyframes lumo-feature-arrive {
    from {
        opacity: 0.7;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 767px) {
    .lumo-home .navbar {
        padding-inline: var(--space-4);
    }

    .lumo-home .hero-band {
        padding-block: var(--space-16) var(--space-12);
    }

    .lumo-home .hero-headline {
        font-size: clamp(40px, 11vw, 58px);
    }

    .lumo-home .feature-carousel-track {
        grid-template-columns: minmax(0, 1fr);
    }

    .lumo-home .feature-slide {
        padding: var(--space-6);
    }

    .lumo-home .lumo-how .grid {
        gap: var(--space-4);
    }

    .lumo-home .faq-question {
        padding: var(--space-4) var(--space-5);
    }

    .lumo-home .faq-answer {
        padding-inline: var(--space-5);
    }

    .lumo-home .site-footer {
        padding-block: var(--space-8);
    }
}

@media (max-width: 480px) {
    .lumo-home .hero-cta-row {
        align-items: stretch;
        flex-direction: column;
    }

    .lumo-home .hero-cta-row .btn {
        width: 100%;
    }

    .lumo-home .faq-question {
        font-size: var(--text-body-lg);
    }
}

@media (prefers-reduced-motion: reduce) {
    .lumo-home *,
    .lumo-home *::before,
    .lumo-home *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .lumo-home .navbar .btn:hover,
    .lumo-home .hero-cta-row .btn:hover,
    .lumo-home .nav-link:hover,
    .lumo-home .theme-toggle:hover,
    .lumo-home .feature-slide:hover,
    .lumo-home .feature-slide:hover .feature-icon,
    .lumo-home .feature-carousel-button:hover,
    .lumo-home .lumo-how .card:hover,
    .lumo-home .site-footer a:hover {
        transform: none;
    }
}


/* ============================================================
   LUMO HOMEPAGE — EDITORIAL PRODUCT STORY
   ============================================================ */

.lumo-home .lumo-marketing-hero {
    padding-block: clamp(var(--space-12), 7vw, var(--space-20));
    background: linear-gradient(180deg, var(--color-primary-subtle), var(--color-background));
}

.lumo-home .lumo-marketing-hero .hero-band-inner {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: center;
    gap: clamp(var(--space-8), 6vw, var(--space-16));
    max-width: var(--container-xl);
    text-align: left;
}

.lumo-home .hero-copy {
    position: relative;
    z-index: 1;
}

.lumo-home .hero-copy .hero-headline {
    margin-inline: 0;
    font-size: clamp(44px, 5vw, 66px);
}

.lumo-home .hero-copy .hero-sub {
    margin-inline: 0;
}

.lumo-home .hero-copy .hero-cta-row {
    justify-content: flex-start;
}

.lumo-home .hero-visual {
    position: relative;
    min-width: 0;
    padding: 0 0 var(--space-10) var(--space-10);
}

.lumo-home .hero-photo {
    width: 100%;
    aspect-ratio: 1.2;
    object-fit: cover;
    object-position: center 42%;
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.lumo-home .hero-product-preview {
    position: absolute;
    right: 0;
    bottom: 0;
    width: min(77%, 500px);
    padding: var(--space-2);
    overflow: hidden;
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.lumo-home .hero-product-preview img {
    width: 100%;
    aspect-ratio: 1.96;
    object-fit: cover;
    object-position: top;
    border-radius: var(--radius-md);
}

.lumo-home .lumo-intro .container-lg {
    max-width: var(--container-xl);
}

.lumo-home .intro-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    gap: clamp(var(--space-8), 7vw, var(--space-16));
}

.lumo-home .intro-layout .prose-block {
    max-width: 560px;
    text-align: left;
}

.lumo-home .intro-layout .heading-statement {
    font-size: clamp(34px, 4vw, 50px);
}

.lumo-home .intro-photo-frame {
    overflow: hidden;
    aspect-ratio: 1.48;
    background-color: var(--color-surface-subtle);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.lumo-home .intro-photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lumo-home .feature-carousel.is-enhanced .feature-carousel-track {
    overflow: visible;
}

.lumo-home .feature-carousel.is-enhanced .feature-slide {
    display: grid;
    grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1.28fr);
    align-items: center;
    gap: clamp(var(--space-5), 4vw, var(--space-10));
    min-height: 0;
    padding: clamp(var(--space-5), 4vw, var(--space-10));
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.lumo-home .feature-slide-copy {
    max-width: 390px;
}

.lumo-home .feature-slide-copy h3 {
    font-size: clamp(22px, 2.4vw, 30px);
    line-height: var(--leading-snug);
}

.lumo-home .feature-slide-copy p {
    max-width: 38ch;
    margin-top: var(--space-3) !important;
    font-size: var(--text-body-lg);
}

.lumo-home .feature-slide-visual {
    display: flex;
    min-width: 0;
    min-height: 290px;
    max-height: 430px;
    align-items: center;
    justify-content: center;
    padding: var(--space-3);
    overflow: hidden;
    background-color: var(--color-surface-subtle);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-md);
}

.lumo-home .feature-slide-visual img {
    width: 100%;
    max-height: 400px;
    object-fit: contain;
    object-position: center top;
    border-radius: var(--radius-xs);
}

.lumo-home .feature-carousel-controls {
    margin-top: var(--space-5);
}

.lumo-home .feature-carousel-button {
    width: 48px;
    height: 48px;
}

.lumo-home .lumo-how .grid {
    position: relative;
    gap: var(--space-5);
}

.lumo-home .lumo-how .card {
    position: relative;
    z-index: 1;
    padding: clamp(var(--space-5), 3vw, var(--space-8));
    border-radius: var(--radius-lg);
    box-shadow: none;
}

.lumo-home .lumo-how .step-number {
    width: 40px;
    height: 40px;
    margin-bottom: var(--space-5);
}

.lumo-home .learning-journey-photo {
    width: min(100%, 920px);
    height: clamp(190px, 28vw, 310px);
    margin: clamp(var(--space-8), 6vw, var(--space-12)) auto 0;
    overflow: hidden;
    background-color: var(--color-surface-subtle);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.lumo-home .learning-journey-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 46%;
}

.lumo-home .lumo-story {
    position: relative;
    overflow: hidden;
    background-color: var(--color-surface-subtle);
    border-block: var(--border-width) solid var(--color-border);
    transition:
        background-color var(--duration-slow) var(--ease-standard),
        border-color var(--duration-slow) var(--ease-standard);
}

.lumo-home .lumo-story .prose-block {
    max-width: 760px;
    padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
    border-inline-start: 2px solid var(--color-primary);
    text-align: left;
}

.lumo-home .lumo-story .prose-block h2 {
    font-size: clamp(32px, 4vw, 46px);
}

.lumo-home .lumo-faq .container-md {
    max-width: 860px;
}

.lumo-home .lumo-faq .faq-item {
    border-radius: var(--radius-md);
    box-shadow: none;
}

.lumo-home .lumo-faq .faq-item[open] {
    box-shadow: var(--shadow-sm);
}

.lumo-home .lumo-cta {
    margin-top: 0;
    border-block: 0;
    background-color: var(--color-primary-subtle);
}

.lumo-home .lumo-cta .text-center {
    max-width: 720px;
    padding: clamp(var(--space-8), 6vw, var(--space-12));
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.lumo-home .lumo-cta .hero-cta-row {
    gap: var(--space-4);
}

@media (max-width: 900px) {
    .lumo-home .lumo-marketing-hero .hero-band-inner {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
        gap: var(--space-6);
    }

    .lumo-home .hero-copy .hero-headline {
        font-size: clamp(40px, 6vw, 56px);
    }

    .lumo-home .feature-carousel.is-enhanced .feature-slide {
        grid-template-columns: minmax(180px, 0.75fr) minmax(0, 1.25fr);
        gap: var(--space-5);
    }

    .lumo-home .feature-slide-visual {
        min-height: 250px;
    }
}

@media (max-width: 767px) {
    .lumo-home .lumo-marketing-hero {
        padding-block: var(--space-12);
    }

    .lumo-home .lumo-marketing-hero .hero-band-inner {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-8);
    }

    .lumo-home .hero-copy .hero-headline {
        max-width: 620px;
        font-size: clamp(40px, 9vw, 58px);
    }

    .lumo-home .hero-copy .hero-sub {
        margin-inline: 0;
    }

    .lumo-home .hero-visual {
        width: min(100%, 600px);
        margin-inline: auto;
        padding-left: var(--space-5);
    }

    .lumo-home .hero-photo {
        aspect-ratio: 1.38;
    }

    .lumo-home .intro-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-8);
    }

    .lumo-home .intro-layout .prose-block {
        max-width: 680px;
    }

    .lumo-home .intro-photo-frame {
        aspect-ratio: 1.65;
    }

    .lumo-home .feature-carousel.is-enhanced .feature-slide {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-5);
        padding: var(--space-5);
    }

    .lumo-home .feature-slide-copy {
        max-width: none;
    }

    .lumo-home .feature-slide-visual {
        min-height: 220px;
        max-height: 320px;
    }

    .lumo-home .feature-slide-visual img {
        max-height: 290px;
    }

    .lumo-home .learning-journey-photo {
        height: 230px;
    }

    .lumo-home .lumo-story .prose-block {
        padding-inline: var(--space-5);
    }

    .lumo-home .lumo-cta .text-center {
        padding: var(--space-6);
    }
}

@media (max-width: 480px) {
    .lumo-home .lumo-marketing-hero .hero-band-inner {
        padding-inline: var(--space-4);
    }

    .lumo-home .hero-copy .hero-headline {
        font-size: clamp(36px, 10vw, 46px);
    }

    .lumo-home .hero-visual {
        padding-left: var(--space-3);
        padding-bottom: var(--space-8);
    }

    .lumo-home .hero-product-preview {
        width: 82%;
        padding: var(--space-1);
    }

    .lumo-home .feature-slide-visual {
        min-height: 180px;
        padding: var(--space-2);
    }

    .lumo-home .feature-slide-visual img {
        max-height: 230px;
    }

    .lumo-home .learning-journey-photo {
        height: 185px;
    }

    .lumo-home .lumo-cta .hero-cta-row {
        align-items: stretch;
        flex-direction: column;
    }
}

/* ============================================================
   LUMO HOMEPAGE — PHASE 2F POLISH
   ============================================================ */

.lumo-home p {
    font-size: clamp(16px, 1.05vw, 18px);
    line-height: var(--leading-relaxed);
}

.lumo-home .lumo-marketing-hero .hero-band-inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(var(--space-8), 5vw, var(--space-12));
}

.lumo-home .hero-copy .hero-headline {
    max-width: none;
    font-size: clamp(48px, 4vw, 58px);
    line-height: 1;
}

.lumo-home .hero-copy .hero-sub {
    max-width: 34ch;
    font-size: clamp(17px, 1.2vw, 19px);
    line-height: 1.65;
}

.lumo-home .hero-visual {
    padding-left: clamp(var(--space-5), 4vw, var(--space-10));
}

.lumo-home .hero-product-preview {
    width: min(84%, 560px);
}

.lumo-home .hero-product-preview img {
    display: block;
    height: auto;
    aspect-ratio: 1000 / 509;
    object-fit: contain;
    background-color: var(--color-surface);
}

.lumo-home .section-lg h2,
.lumo-home .section-featured h2 {
    font-size: clamp(34px, 4vw, 44px);
    line-height: 1.12;
}

.lumo-home .intro-layout .heading-statement {
    font-size: clamp(38px, 4.3vw, 54px);
    line-height: 1.08;
}

.lumo-home .feature-carousel.is-enhanced .feature-slide {
    grid-template-columns: minmax(230px, 0.68fr) minmax(0, 1.32fr);
    gap: clamp(var(--space-6), 4vw, var(--space-10));
    padding: clamp(var(--space-6), 4vw, var(--space-10));
    animation: lumo-feature-polish 360ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.lumo-home .feature-slide-copy {
    max-width: 420px;
}

.lumo-home .feature-slide-copy h3 {
    font-size: clamp(25px, 2.6vw, 34px);
    line-height: 1.14;
}

.lumo-home .feature-slide-copy p {
    max-width: 40ch;
    font-size: clamp(16px, 1.1vw, 18px);
    line-height: 1.65;
}

.lumo-home .feature-slide-visual {
    min-height: 340px;
    max-height: 460px;
    padding: var(--space-2);
}

.lumo-home .feature-slide-visual img {
    max-height: 440px;
}

.lumo-home .feature-carousel-button {
    width: 48px;
    height: 48px;
}

.lumo-home .lumo-how .grid {
    column-gap: clamp(var(--space-5), 3vw, var(--space-8));
}

.lumo-home .lumo-how .grid::before {
    position: absolute;
    z-index: 0;
    top: 44px;
    right: 16.666%;
    left: 16.666%;
    height: 1px;
    background-color: var(--color-border);
    content: "";
}

.lumo-home .lumo-how .card {
    padding: clamp(var(--space-6), 3vw, var(--space-8));
}

.lumo-home .lumo-how .card p {
    font-size: clamp(16px, 1.05vw, 18px);
    line-height: 1.65;
}

.lumo-home .lumo-how .step-number {
    position: relative;
    z-index: 1;
}

.lumo-home .learning-journey-photo {
    width: min(100%, 960px);
    height: clamp(220px, 25vw, 300px);
    border-radius: var(--radius-md);
}

.lumo-home .lumo-story .prose-block {
    max-width: 820px;
    padding-block: var(--space-2);
}

.lumo-home .lumo-story .prose-block h2 {
    font-size: clamp(38px, 4.2vw, 50px);
}

.lumo-home .lumo-story .prose-block p {
    max-width: 62ch;
    font-size: clamp(17px, 1.15vw, 19px);
}

.lumo-home .lumo-faq .container-md {
    max-width: 900px;
}

.lumo-home .lumo-faq .faq-list {
    gap: var(--space-4);
}

.lumo-home .lumo-faq .faq-question {
    min-height: 72px;
    padding: var(--space-5) var(--space-6);
    font-size: clamp(18px, 1.3vw, 21px);
    line-height: 1.4;
}

.lumo-home .lumo-faq .faq-answer {
    font-size: 16px;
    line-height: 1.7;
}

.lumo-home .faq-question:focus-visible,
.lumo-home .feature-carousel-button:focus-visible,
.lumo-home .navbar a:focus-visible,
.lumo-home .navbar button:focus-visible,
.lumo-home .hero-cta-row .btn:focus-visible,
.lumo-home .lumo-cta .btn:focus-visible,
.lumo-home .site-footer a:focus-visible,
.lumo-home .feature-carousel:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.lumo-home .lumo-cta .text-center {
    max-width: 840px;
    padding: clamp(var(--space-10), 7vw, var(--space-16));
    border-radius: var(--radius-xl);
}

.lumo-home .lumo-cta h2 {
    font-size: clamp(38px, 4.3vw, 50px);
}

@keyframes lumo-feature-polish {
    from {
        opacity: 0;
        transform: translateX(12px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 900px) {
    .lumo-home .lumo-marketing-hero .hero-band-inner {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-8);
    }

    .lumo-home .hero-copy .hero-headline {
        max-width: none;
        font-size: clamp(48px, 7vw, 60px);
    }

    .lumo-home .hero-visual {
        width: min(100%, 680px);
        margin-inline: auto;
    }

    .lumo-home .feature-carousel.is-enhanced .feature-slide {
        grid-template-columns: minmax(200px, 0.7fr) minmax(0, 1.3fr);
        gap: var(--space-5);
    }

    .lumo-home .feature-slide-visual {
        min-height: 300px;
    }
}

@media (max-width: 767px) {
    .lumo-home .lumo-how .grid {
        row-gap: var(--space-4);
    }

    .lumo-home .lumo-how .grid::before {
        top: 44px;
        right: auto;
        bottom: 44px;
        left: 50%;
        width: 1px;
        height: auto;
    }

    .lumo-home .lumo-how .card {
        padding: var(--space-6);
    }

    .lumo-home .feature-carousel.is-enhanced .feature-slide {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-5);
    }

    .lumo-home .feature-slide-visual {
        min-height: 0;
        max-height: none;
        aspect-ratio: 1.55;
        padding: var(--space-2);
    }

    .lumo-home .feature-slide-visual img {
        max-height: 100%;
    }

    .lumo-home .learning-journey-photo {
        height: clamp(190px, 48vw, 260px);
    }

    .lumo-home .lumo-faq .faq-question {
        min-height: 64px;
        padding: var(--space-4) var(--space-5);
    }

    .lumo-home .lumo-cta .text-center {
        padding: clamp(var(--space-6), 8vw, var(--space-10));
    }
}

@media (max-width: 480px) {
    .lumo-home .hero-copy .hero-headline {
        font-size: clamp(36px, 11vw, 46px);
    }

    .lumo-home .hero-visual {
        padding-left: var(--space-3);
        padding-bottom: var(--space-8);
    }

    .lumo-home .hero-product-preview {
        width: 86%;
    }

    .lumo-home .feature-slide-copy h3 {
        font-size: 25px;
    }

    .lumo-home .feature-slide-visual {
        aspect-ratio: 1.35;
    }

    .lumo-home .lumo-cta .hero-cta-row .btn {
        min-height: 48px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .lumo-home .feature-carousel.is-enhanced .feature-slide {
        animation: none;
    }
}

/* Mobile navigation menu */
.lumo-home .mobile-menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
        background-color var(--duration-normal) var(--ease-standard),
        border-color var(--duration-normal) var(--ease-standard),
        color var(--duration-normal) var(--ease-standard),
        transform var(--duration-normal) var(--ease-standard);
}

.lumo-home .mobile-menu-toggle svg {
    width: 18px;
    height: 18px;
}

.lumo-home .mobile-menu-toggle:hover {
    border-color: var(--color-border-interactive);
    color: var(--color-primary);
}

.lumo-home .mobile-menu-toggle:focus-visible,
.lumo-home .navbar-primary-links .nav-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.lumo-home .navbar-primary-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

@media (max-width: 767px) {
    .lumo-home .navbar {
        position: relative;
    }

    .lumo-home .navbar-links {
        gap: var(--space-1);
    }

    .lumo-home .mobile-menu-toggle {
        display: inline-flex;
    }

    .lumo-home .navbar-primary-links {
        position: absolute;
        z-index: 20;
        top: calc(100% + var(--space-2));
        right: var(--space-4);
        display: none;
        width: min(240px, calc(100vw - var(--space-8)));
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-1);
        padding: var(--space-2);
        background-color: var(--color-surface);
        border: var(--border-width) solid var(--color-border);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
    }

    .lumo-home .navbar.mobile-menu-open .navbar-primary-links {
        display: flex;
        animation: lumo-mobile-menu-enter var(--duration-normal) var(--ease-out) both;
    }

    .lumo-home .navbar.mobile-menu-open .navbar-primary-links .nav-link {
        display: flex;
        min-height: 44px;
        align-items: center;
        padding: var(--space-2) var(--space-3);
        border-radius: var(--radius-sm);
    }
}

@media (max-width: 359px) {
    .lumo-home .navbar {
        padding-inline: var(--space-2);
    }

    .lumo-home .navbar-brand {
        gap: var(--space-1);
        font-size: 18px;
    }

    .lumo-home .navbar-links {
        gap: 2px;
    }

    .lumo-home .navbar-links > .btn {
        padding-inline: var(--space-1);
        font-size: 11px;
    }
}

@keyframes lumo-mobile-menu-enter {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .lumo-home .navbar.mobile-menu-open .navbar-primary-links {
        animation: none;
    }
}