/* UXBTC — Main Stylesheet with Accessibility Theme Support */

:root {
    --font-body: 'Atkinson Hyperlegible', 'Segoe UI', system-ui, sans-serif;
    --font-display: 'Atkinson Hyperlegible', 'Segoe UI', system-ui, sans-serif;
    --font-dyslexia: 'OpenDyslexic', 'Atkinson Hyperlegible', sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.7;
    --letter-spacing: 0.01em;

    --color-primary: #005f8a;
    --color-primary-light: #0077b6;
    --color-accent: #00a896;
    --color-accent-soft: #83e8d7;
    --color-bg: #f8fafb;
    --color-bg-alt: #eef4f7;
    --color-surface: #ffffff;
    --color-text: #1a2b3c;
    --color-text-muted: #5a6b7d;
    --color-border: #d8e3ea;
    --color-nav-bg: rgba(255, 255, 255, 0.97);
    --color-footer-bg: #0d2137;
    --color-footer-text: #c8d6e3;
    --color-hero-text: #ffffff;
    --color-link: #005f8a;
    --color-link-hover: #003d5c;
    --shadow-sm: 0 2px 8px rgba(13, 33, 55, 0.06);
    --shadow-md: 0 8px 24px rgba(13, 33, 55, 0.1);
    --shadow-lg: 0 16px 48px rgba(13, 33, 55, 0.14);
    --radius: 12px;
    --radius-lg: 20px;
    --nav-height: 118px;
    --transition: 0.25s ease;
}

/* High contrast theme */
[data-theme="high-contrast"] {
    --color-primary: #0000cc;
    --color-primary-light: #0000ee;
    --color-accent: #ff6600;
    --color-bg: #ffffff;
    --color-bg-alt: #f0f0f0;
    --color-surface: #ffffff;
    --color-text: #000000;
    --color-text-muted: #222222;
    --color-border: #000000;
    --color-link: #0000cc;
    --color-link-hover: #000099;
}

/* Color-blind safe palette (blue + orange, avoid red/green reliance) */
[data-theme="colorblind"] {
    --color-primary: #0072b2;
    --color-primary-light: #56b4e9;
    --color-accent: #e69f00;
    --color-accent-soft: #f0c678;
    --color-bg: #fafafa;
    --color-bg-alt: #f0f0f0;
    --color-text: #000000;
    --color-text-muted: #444444;
    --color-link: #0072b2;
    --color-link-hover: #004c77;
}

/* Dark mode */
[data-theme="dark"] {
    --color-primary: #56b4e9;
    --color-primary-light: #7ec8f2;
    --color-accent: #f0c678;
    --color-accent-soft: #3d5a6e;
    --color-bg: #0f1923;
    --color-bg-alt: #162636;
    --color-surface: #1c3044;
    --color-text: #e8f0f6;
    --color-text-muted: #a8bcc9;
    --color-border: #2d4a62;
    --color-nav-bg: rgba(15, 25, 35, 0.97);
    --color-footer-bg: #0a1219;
    --color-footer-text: #a8bcc9;
    --color-hero-text: #e8f0f6;
    --color-link: #7ec8f2;
    --color-link-hover: #b8dff9;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
}

/* Font size scales */
[data-font-size="sm"] { --font-size-base: 0.9rem; }
[data-font-size="md"] { --font-size-base: 1rem; }
[data-font-size="lg"] { --font-size-base: 1.125rem; }
[data-font-size="xl"] { --font-size-base: 1.25rem; }

/* Line spacing */
[data-line-spacing="relaxed"] { --line-height-base: 1.9; }
[data-line-spacing="extra"] { --line-height-base: 2.2; letter-spacing: 0.04em; }

/* Dyslexia font */
[data-font="dyslexia"] {
    --font-body: var(--font-dyslexia);
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 16px);
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    letter-spacing: var(--letter-spacing);
    color: var(--color-text);
    background-color: var(--color-bg);
    margin: 0;
    overflow-x: hidden;
}

body[data-font="dyslexia"] {
    word-spacing: 0.12em;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
}

p, li { color: var(--color-text); }

.text-muted { color: var(--color-text-muted) !important; }

a {
    color: var(--color-link);
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

a:hover { color: var(--color-link-hover); }

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 16px;
    z-index: 10000;
    padding: 12px 20px;
    background: var(--color-primary);
    color: #fff !important;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: top var(--transition);
}

.skip-link:focus {
    top: 16px;
    outline: 3px solid var(--color-accent);
}

/* Accessibility toolbar */
.a11y-toolbar {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 9999;
    font-family: var(--font-body);
}

.a11y-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition), background var(--transition);
}

.a11y-toggle:hover {
    background: var(--color-primary-light);
    transform: scale(1.03);
}

.a11y-toggle i { font-size: 1.25rem; }

.a11y-panel {
    position: absolute;
    bottom: calc(100% + 12px);
    left: 0;
    width: min(320px, calc(100vw - 48px));
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.a11y-panel.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.a11y-panel h2 {
    font-size: 1.1rem;
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.a11y-group {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.a11y-group:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.a11y-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.a11y-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.a11y-btn {
    flex: 1;
    min-width: 60px;
    padding: 8px 10px;
    border: 2px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.a11y-btn:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-alt);
}

.a11y-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.a11y-reset {
    width: 100%;
    margin-top: 12px;
    padding: 10px;
    background: transparent;
    border: 2px dashed var(--color-border);
    color: var(--color-text-muted);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
}

.a11y-reset:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Navbar — floating lab console */
.site-navbar {
    background: transparent !important;
    min-height: var(--nav-height);
    padding: 14px 0 16px;
    transition: padding var(--transition);
    z-index: 1030;
}

.site-navbar .nav-shell {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    margin-bottom: 4px;
    padding: 10px 14px 10px 16px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    border: 1px solid rgba(0, 95, 138, 0.12);
    border-radius: 20px;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.7) inset,
        0 10px 30px rgba(15, 23, 42, 0.08);
    transition: box-shadow var(--transition), background var(--transition), border-color var(--transition);
}

.site-navbar.scrolled .nav-shell {
    background: rgba(255, 255, 255, 0.94);
    border-color: rgba(0, 95, 138, 0.16);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.8) inset,
        0 14px 36px rgba(15, 23, 42, 0.12);
}

[data-theme="dark"] .site-navbar .nav-shell {
    background: rgba(30, 41, 59, 0.88);
    border-color: rgba(148, 163, 184, 0.18);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.site-navbar .navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    padding: 4px 6px 4px 4px;
    text-decoration: none;
    border-radius: 14px;
}

.site-navbar .navbar-brand img {
    height: 64px;
    width: auto;
    display: block;
    object-fit: contain;
    padding: 4px;
    background: #fff;
    border: 1px solid rgba(0, 95, 138, 0.14);
    border-radius: 12px;
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.9) inset,
        0 4px 12px rgba(15, 23, 42, 0.08);
    transition: height var(--transition), box-shadow var(--transition), transform var(--transition);
}

.site-navbar .navbar-brand:hover img {
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.9) inset,
        0 6px 16px rgba(0, 95, 138, 0.16);
    transform: translateY(-1px);
}

.site-navbar .brand-lockup {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.site-navbar .brand-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-primary);
}

.site-navbar .brand-tag {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

[data-theme="dark"] .site-navbar .navbar-brand img {
    background: #1e293b;
    border-color: rgba(148, 163, 184, 0.25);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
}

.site-navbar .navbar-collapse {
    flex-grow: 1;
}

.site-navbar .navbar-nav {
    gap: 2px;
}

.site-navbar .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-text) !important;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 8px 12px !important;
    border-radius: 999px;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.site-navbar .nav-link i {
    font-size: 0.95rem;
    opacity: 0.7;
    transition: opacity var(--transition), color var(--transition);
}

.site-navbar .nav-link:hover {
    background: rgba(0, 95, 138, 0.08);
    color: var(--color-primary) !important;
}

.site-navbar .nav-link:hover i {
    opacity: 1;
    color: var(--color-accent);
}

.site-navbar .nav-link.active {
    background: linear-gradient(135deg, rgba(0, 95, 138, 0.12), rgba(0, 168, 150, 0.12));
    color: var(--color-primary) !important;
    box-shadow: inset 0 0 0 1px rgba(0, 95, 138, 0.18);
}

.site-navbar .nav-link.active i {
    opacity: 1;
    color: var(--color-accent);
}

.site-navbar .nav-link.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.site-navbar .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-left: 8px !important;
    padding: 9px 16px !important;
    border-radius: 999px !important;
    background: linear-gradient(135deg, var(--color-primary), #0077a8) !important;
    color: #fff !important;
    font-weight: 700 !important;
    font-size: 0.88rem !important;
    border: none !important;
    box-shadow: 0 8px 18px rgba(0, 95, 138, 0.28);
    text-decoration: none;
}

.site-navbar .nav-cta:hover,
.site-navbar .nav-cta:focus {
    background: linear-gradient(135deg, #004a6d, var(--color-primary)) !important;
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 10px 22px rgba(0, 95, 138, 0.35);
}

.site-navbar .nav-cta.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent)) !important;
    box-shadow: inset 0 0 0 1px transparent, 0 8px 18px rgba(0, 95, 138, 0.28);
}

.site-navbar .nav-cta.active::after {
    display: none;
}

.site-navbar .nav-cta i {
    opacity: 1;
    color: #fff;
}

.navbar-toggler {
    border: none;
    border-radius: 12px;
    padding: 10px 12px;
    background: rgba(0, 95, 138, 0.08);
    box-shadow: none;
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.25);
}

.navbar-toggler-icon {
    width: 1.2em;
    height: 1.2em;
    background-image: none;
    position: relative;
    display: inline-block;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after,
.navbar-toggler-icon {
    background-color: transparent;
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--color-primary);
}

.navbar-toggler-icon::before {
    top: 4px;
    box-shadow: 0 6px 0 var(--color-primary);
}

.navbar-toggler-icon::after {
    bottom: 4px;
}

[data-theme="dark"] .navbar-toggler {
    background: rgba(148, 163, 184, 0.12);
}

[data-theme="dark"] .navbar-toggler-icon::before,
[data-theme="dark"] .navbar-toggler-icon::after {
    background: #e2e8f0;
    box-shadow: 0 6px 0 #e2e8f0;
}

[data-theme="dark"] .navbar-toggler-icon::after {
    box-shadow: none;
}

@media (max-width: 991.98px) {
    .site-navbar .nav-shell {
        border-radius: 18px;
    }

    .site-navbar .navbar-collapse {
        width: 100%;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid rgba(0, 95, 138, 0.1);
    }

    .site-navbar .navbar-nav {
        gap: 4px;
        width: 100%;
    }

    .site-navbar .nav-link {
        width: 100%;
        justify-content: flex-start;
        border-radius: 12px;
        padding: 12px 14px !important;
    }

    .site-navbar .nav-link.active::after {
        display: none;
    }

    .site-navbar .nav-cta {
        margin: 8px 0 0 !important;
        justify-content: center;
        width: 100%;
    }

    .site-navbar .brand-lockup {
        display: none;
    }
}

@media (min-width: 992px) and (max-width: 1199.98px) {
    .site-navbar .nav-link i {
        display: none;
    }

    .site-navbar .nav-link {
        padding: 8px 10px !important;
        font-size: 0.84rem;
    }

    .site-navbar .nav-cta {
        padding: 8px 14px !important;
    }

    .site-navbar .brand-tag {
        display: none;
    }
}

/* Hero */
.hero-section {
    position: relative;
    margin-top: var(--nav-height);
    padding: 80px 0 100px;
    background: linear-gradient(135deg, #003d5c 0%, #005f8a 40%, #0077b6 70%, #00a896 100%);
    color: var(--color-hero-text);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0,168,150,0.2) 0%, transparent 40%);
    pointer-events: none;
}

.hero-section .container { position: relative; z-index: 1; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: blur(4px);
}

.hero-section h1 {
    color: var(--color-hero-text);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 20px;
}

.hero-section h1 img {
    max-height: 48px;
    width: auto;
    vertical-align: middle;
    margin-right: 8px;
    margin-bottom: 8px;
    display: inline-block;
}

.hero-section .lead {
    color: rgba(255,255,255,0.92);
    font-size: clamp(1rem, 2vw, 1.2rem);
    max-width: 540px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.hero-image-wrap {
    position: relative;
}

.hero-image-wrap img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 4px solid rgba(255,255,255,0.2);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.hero-stat {
    text-align: center;
    padding: 16px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius);
    backdrop-filter: blur(4px);
}

.hero-stat i {
    font-size: 1.75rem;
    margin-bottom: 8px;
    display: block;
    color: var(--color-accent-soft);
}

.hero-stat strong {
    display: block;
    font-size: 1rem;
    color: #fff;
}

.hero-stat span {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
}

/* Buttons */
.btn-primary {
    background: var(--color-primary) !important;
    border-color: var(--color-primary) !important;
}

.btn-primary:hover {
    background: var(--color-primary-light) !important;
    border-color: var(--color-primary-light) !important;
}

.btn-accent {
    background: var(--color-accent);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 50px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.btn-accent:hover {
    background: #008f7a;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-light {
    border: 2px solid rgba(255,255,255,0.7);
    color: #fff;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: 50px;
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
    color: #fff;
}

/* Sections */
.section-padding { padding: 80px 0; }

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    margin-bottom: 16px;
}

.section-header .lead {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.bg-section-alt {
    background: var(--color-bg-alt);
}

/* Nav pills (tabs) */
.nav-pills .nav-link {
    background: var(--color-surface);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: 50px;
    font-weight: 500;
    padding: 10px 20px;
    margin: 4px;
    transition: all var(--transition);
}

.nav-pills .nav-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-bg-alt);
}

.nav-pills .nav-link.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

/* Cards */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.card-hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.card-body { padding: 1.5rem; }

.feature-card {
    height: 100%;
    border-top: 4px solid var(--color-accent);
}

.feature-card .card-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    color: #fff;
    border-radius: 14px;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.tool-card {
    border-left: 4px solid var(--color-primary-light);
}

.quick-facts-card {
    background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    border: none;
}

.quick-facts-card h5,
.quick-facts-card li,
.quick-facts-card strong {
    color: #fff;
}

.quick-facts-card li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.quick-facts-card li:last-child { border-bottom: none; }

.research-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.research-list i {
    color: var(--color-accent);
}

/* Team cards */
.team-card {
    text-align: center;
    padding: 24px;
}

.team-card img {
    width: 160px;
    height: 160px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--color-accent-soft);
    margin-bottom: 16px;
    transition: transform var(--transition);
}

.team-card:hover img {
    transform: scale(1.05);
}

.team-card h5 { margin-bottom: 4px; }

/* Participant CTA */
.participant-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #fff;
    border: none;
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
}

.participant-cta p { color: rgba(255,255,255,0.95); }

.participant-cta .btn {
    background: #fff;
    color: var(--color-primary);
    font-weight: 700;
    border-radius: 50px;
    padding: 14px 32px;
    margin-top: 16px;
}

.participant-cta .btn:hover {
    background: var(--color-bg);
    transform: translateY(-2px);
}

/* News cards */
.news-card {
    text-align: center;
    height: 100%;
}

.news-card .news-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: 50%;
    font-size: 1.75rem;
    color: var(--color-primary);
}

/* Accordion */
.accordion-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
}

.accordion-button {
    background: var(--color-bg-alt);
    color: var(--color-text);
    font-weight: 600;
}

.accordion-button:not(.collapsed) {
    background: var(--color-primary);
    color: #fff;
}

.accordion-body {
    background: var(--color-surface);
    color: var(--color-text);
}

/* List groups */
.list-group-item {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}

.badge.bg-primary {
    background: var(--color-primary) !important;
}

.badge.bg-warning {
    background: var(--color-accent) !important;
    color: #1a2b3c !important;
}

.badge.bg-success {
    background: var(--color-primary-light) !important;
}

/* Map */
.map-container {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 2px solid var(--color-border);
}

.map-container iframe {
    display: block;
    width: 100%;
    height: 450px;
    border: 0;
}

/* Footer — lab console bottom bar */
.site-footer {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 10% 0%, rgba(0, 168, 150, 0.14), transparent 55%),
        radial-gradient(ellipse 70% 50% at 90% 100%, rgba(0, 95, 138, 0.28), transparent 50%),
        linear-gradient(165deg, #0a1a2a 0%, #0d2137 45%, #0a1624 100%);
    color: var(--color-footer-text);
    padding: 72px 0 0;
    margin-top: 0;
}

.site-footer::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(131, 232, 215, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(131, 232, 215, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.55), transparent 85%);
    pointer-events: none;
}

.site-footer .footer-glow {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 168, 150, 0.55), rgba(86, 180, 233, 0.45), transparent);
    pointer-events: none;
}

.site-footer .container {
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px 32px;
    padding-bottom: 48px;
}

.footer-brand-link {
    display: inline-flex;
    flex-direction: column;
    text-decoration: none;
    margin-bottom: 14px;
    line-height: 1.15;
}

.footer-brand-mark {
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #fff;
    background: linear-gradient(135deg, #fff 30%, var(--color-accent-soft));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand-tag {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(200, 214, 227, 0.7);
    margin-top: 4px;
}

.footer-lead {
    max-width: 32ch;
    margin: 0 0 20px;
    font-size: 0.95rem;
    line-height: 1.65;
    color: rgba(200, 214, 227, 0.88);
}

.footer-social {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.site-footer .social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    font-size: 1.1rem;
    color: #e8f0f6 !important;
    transition: background var(--transition), border-color var(--transition), transform var(--transition), color var(--transition);
}

.site-footer .social-link:hover {
    background: rgba(0, 168, 150, 0.22);
    border-color: rgba(0, 168, 150, 0.45);
    color: #fff !important;
    transform: translateY(-2px);
}

.footer-heading {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #fff !important;
    margin: 0 0 16px;
}

.footer-links,
.footer-meta {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li + li,
.footer-meta li + li {
    margin-top: 8px;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    color: rgba(200, 214, 227, 0.9) !important;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: color var(--transition), transform var(--transition);
}

.footer-links a::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(0, 168, 150, 0.35);
    transition: background var(--transition), transform var(--transition);
}

.footer-links a:hover {
    color: #fff !important;
    transform: translateX(2px);
}

.footer-links a:hover::before {
    background: var(--color-accent);
    transform: scale(1.15);
}

.footer-meta li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(200, 214, 227, 0.9);
    font-size: 0.95rem;
    line-height: 1.5;
}

.footer-meta i {
    margin-top: 3px;
    color: var(--color-accent-soft);
    opacity: 0.9;
}

.footer-meta a {
    color: rgba(200, 214, 227, 0.95) !important;
    text-decoration: none;
}

.footer-meta a:hover {
    color: #fff !important;
}

.footer-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 18px;
    padding: 10px 16px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--color-primary), #0077a8);
    color: #fff !important;
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(0, 95, 138, 0.35);
    transition: transform var(--transition), box-shadow var(--transition);
}

.footer-cta:hover {
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(0, 95, 138, 0.45);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 24px;
    padding: 20px 0 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(168, 188, 201, 0.85);
}

.footer-bottom-meta {
    letter-spacing: 0.02em;
}

[data-theme="dark"] .site-footer {
    background:
        radial-gradient(ellipse 80% 60% at 10% 0%, rgba(86, 180, 233, 0.1), transparent 55%),
        radial-gradient(ellipse 70% 50% at 90% 100%, rgba(240, 198, 120, 0.08), transparent 50%),
        linear-gradient(165deg, #071018 0%, #0a1219 100%);
}

@media (max-width: 991.98px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px 24px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 575.98px) {
    .site-footer {
        padding-top: 56px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Social buttons in connect section */
.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    transition: transform var(--transition);
}

.social-btn:hover { transform: translateY(-2px); }

/* Critical above-fold content must never depend on JS animations */
.hero-section [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
}

/* AOS fallback visibility */
[data-aos] { pointer-events: auto; }

/* Responsive */
@media (max-width: 991px) {
    .hero-section { padding: 48px 0 64px; }
    .hero-image-wrap { margin-top: 32px; }
    .section-padding { padding: 56px 0; }
    .a11y-toolbar { bottom: 16px; left: 16px; }
}

@media (max-width: 576px) {
    .nav-pills .nav-link {
        font-size: 0.85rem;
        padding: 8px 14px;
    }
    .hero-stats { grid-template-columns: 1fr 1fr; }
    .section-jump-nav .jump-link { font-size: 0.75rem; padding: 6px 10px; }
}

/* ── Sticky section jump nav ── */
.section-jump-nav {
    position: sticky;
    top: var(--nav-height);
    z-index: 1020;
    background: var(--color-nav-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.section-jump-nav::-webkit-scrollbar { display: none; }

.section-jump-nav .jump-nav-inner {
    display: flex;
    gap: 4px;
    padding: 10px 0;
    min-width: max-content;
}

.section-jump-nav .jump-link {
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: all var(--transition);
}

.section-jump-nav .jump-link:hover,
.section-jump-nav .jump-link.active {
    background: var(--color-primary);
    color: #fff;
}

/* ── Bento toolkit grid ── */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(120px, auto);
    gap: 16px;
}

.bento-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.bento-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.bento-item.span-2 { grid-column: span 2; }
.bento-item.span-3 { grid-column: span 3; }
.bento-item.span-4 { grid-column: span 4; }
.bento-item.row-2 { grid-row: span 2; }

.bento-item.mission-block {
    background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
    border: none;
}

.bento-item.mission-block h3,
.bento-item.mission-block p { color: #fff; }

.bento-item.facts-block {
    background: var(--color-bg-alt);
}

.bento-item h5 {
    font-size: 1rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bento-item h5 i { color: var(--color-accent); }
.bento-item.mission-block h5 i { color: var(--color-accent-soft); }

.bento-item p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--color-text-muted);
}

.bento-item.mission-block p { color: rgba(255,255,255,0.9); }

@media (max-width: 991px) {
    .bento-grid { grid-template-columns: repeat(2, 1fr); }
    .bento-item.span-3, .bento-item.span-4 { grid-column: span 2; }
}

@media (max-width: 576px) {
    .bento-grid { grid-template-columns: 1fr; }
    .bento-item.span-2, .bento-item.span-3, .bento-item.span-4 { grid-column: span 1; }
}

/* ── Compact service cards ── */
.service-compact {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-compact .service-includes {
    list-style: none;
    padding: 0;
    margin: 12px 0;
    flex-grow: 1;
}

.service-compact .service-includes li {
    padding: 4px 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.service-compact .service-includes li::before {
    content: "✓ ";
    color: var(--color-accent);
    font-weight: 700;
}

.service-compact .service-cta {
    margin-top: auto;
    padding-top: 12px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ── Project cards ── */
.project-card {
    height: 100%;
    overflow: hidden;
}

.project-card .project-thumb {
    height: 160px;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255,255,255,0.85);
}

.project-card .project-body { padding: 1.25rem; }

.project-card .project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.project-tag {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.project-card h5 { margin-bottom: 8px; }

.project-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.project-card .project-link {
    font-weight: 600;
    font-size: 0.9rem;
}

/* ── Filter chips (projects page) ── */
.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 32px;
}

.filter-chip {
    padding: 8px 18px;
    border: 2px solid var(--color-border);
    border-radius: 50px;
    background: var(--color-surface);
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-chip:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.filter-chip.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.project-item.hidden { display: none; }

/* ── Timeline ── */
.timeline {
    position: relative;
    padding-left: 32px;
    max-width: 720px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 3px;
    background: var(--color-border);
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    padding-bottom: 28px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 6px;
    width: 14px;
    height: 14px;
    background: var(--color-accent);
    border: 3px solid var(--color-surface);
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-item.planned::before {
    background: var(--color-bg-alt);
    box-shadow: 0 0 0 2px var(--color-border);
}

.timeline-year {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.timeline-item h5 { margin: 4px 0 6px; }

.timeline-item p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* ── Team + contact layout ── */
.team-contact-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    align-items: start;
}

.contact-sidebar {
    position: sticky;
    top: calc(var(--nav-height) + 60px);
}

.contact-sidebar .card {
    border-top: 4px solid var(--color-accent);
}

.contact-sidebar h5 {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-detail {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

.contact-detail:last-child { border-bottom: none; }

.contact-detail i {
    color: var(--color-primary);
    margin-top: 3px;
}

@media (max-width: 991px) {
    .team-contact-layout { grid-template-columns: 1fr; }
    .contact-sidebar { position: static; }
}

/* ── Publications list ── */
.pub-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pub-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.pub-list a { font-weight: 500; }

/* ── Page header (inner pages) — UX Lab style ── */
.page-hero {
    margin-top: var(--nav-height);
    padding: 56px 0 48px;
    background:
        radial-gradient(ellipse 80% 60% at 85% 40%, rgba(0, 168, 150, 0.35) 0%, transparent 55%),
        radial-gradient(ellipse 50% 80% at 10% 90%, rgba(0, 119, 182, 0.4) 0%, transparent 50%),
        linear-gradient(145deg, #061820 0%, #0a2f45 40%, #0d4a5c 75%, #0a3d48 100%);
    color: #fff;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 70% 80% at 70% 50%, black 20%, transparent 75%);
    pointer-events: none;
}

.page-hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.page-hero-copy { max-width: 560px; }

.page-hero .lab-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-accent-soft);
    margin-bottom: 14px;
}

.page-hero .lab-kicker::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 0 4px rgba(0, 168, 150, 0.25);
    animation: pulseDot 2s ease-in-out infinite;
}

@keyframes pulseDot {
    0%, 100% { box-shadow: 0 0 0 4px rgba(0, 168, 150, 0.25); }
    50% { box-shadow: 0 0 0 8px rgba(0, 168, 150, 0.1); }
}

.page-hero h1 {
    color: #fff;
    font-size: clamp(1.9rem, 4vw, 2.85rem);
    line-height: 1.15;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

.page-hero p {
    color: rgba(232, 240, 246, 0.88);
    max-width: 480px;
    margin: 0 0 20px;
    font-size: 1.05rem;
}

.page-hero .breadcrumb-nav {
    margin-bottom: 18px;
    font-size: 0.85rem;
    opacity: 0.75;
}

.page-hero .breadcrumb-nav a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
}

.page-hero .breadcrumb-nav a:hover { color: #fff; opacity: 1; }

/* Lab visualization panel */
.page-hero-viz {
    position: relative;
    min-height: 260px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lab-screen {
    width: 100%;
    max-width: 340px;
    aspect-ratio: 4 / 3;
    background: rgba(6, 24, 32, 0.7);
    border: 1px solid rgba(131, 232, 215, 0.25);
    border-radius: 16px;
    padding: 14px;
    box-shadow:
        0 20px 50px rgba(0, 0, 0, 0.35),
        inset 0 0 40px rgba(0, 168, 150, 0.08);
    position: relative;
    backdrop-filter: blur(8px);
}

.lab-screen-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.lab-screen-bar span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.25);
}

.lab-screen-bar span:nth-child(1) { background: #ff6b6b; }
.lab-screen-bar span:nth-child(2) { background: #f0c678; }
.lab-screen-bar span:nth-child(3) { background: #83e8d7; }

.lab-screen-label {
    margin-left: auto;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(131, 232, 215, 0.8);
}

.heatmap {
    position: relative;
    width: 100%;
    height: calc(100% - 28px);
    border-radius: 10px;
    background:
        linear-gradient(180deg, rgba(0, 95, 138, 0.3) 0%, rgba(6, 24, 32, 0.5) 100%);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.06);
}

.heatmap-dot {
    position: absolute;
    border-radius: 50%;
    filter: blur(8px);
    opacity: 0.85;
}

.heatmap-dot.d1 { width: 70px; height: 70px; top: 18%; left: 22%; background: radial-gradient(circle, #ff6b4a 0%, transparent 70%); }
.heatmap-dot.d2 { width: 55px; height: 55px; top: 28%; left: 48%; background: radial-gradient(circle, #f0c678 0%, transparent 70%); }
.heatmap-dot.d3 { width: 90px; height: 90px; top: 42%; left: 30%; background: radial-gradient(circle, #00a896 0%, transparent 70%); opacity: 0.7; }
.heatmap-dot.d4 { width: 40px; height: 40px; top: 55%; left: 58%; background: radial-gradient(circle, #56b4e9 0%, transparent 70%); }
.heatmap-dot.d5 { width: 48px; height: 48px; top: 20%; left: 62%; background: radial-gradient(circle, #83e8d7 0%, transparent 70%); opacity: 0.6; }

.gaze-cursor {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid #83e8d7;
    border-radius: 50%;
    top: 36%;
    left: 44%;
    box-shadow: 0 0 12px rgba(131, 232, 215, 0.6);
    animation: gazeMove 5s ease-in-out infinite;
}

.gaze-cursor::after {
    content: '';
    position: absolute;
    inset: 3px;
    background: #83e8d7;
    border-radius: 50%;
}

@keyframes gazeMove {
    0%, 100% { top: 36%; left: 44%; }
    25% { top: 22%; left: 58%; }
    50% { top: 48%; left: 35%; }
    75% { top: 30%; left: 52%; }
}

.signal-strip {
    position: absolute;
    bottom: -18px;
    left: 10%;
    right: 10%;
    height: 36px;
    background: rgba(6, 24, 32, 0.85);
    border: 1px solid rgba(131, 232, 215, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 0 12px;
}

.signal-bar {
    width: 3px;
    border-radius: 2px;
    background: var(--color-accent);
    animation: signalPulse 1.2s ease-in-out infinite;
}

.signal-bar:nth-child(1) { height: 8px; animation-delay: 0s; }
.signal-bar:nth-child(2) { height: 16px; animation-delay: 0.1s; }
.signal-bar:nth-child(3) { height: 22px; animation-delay: 0.2s; }
.signal-bar:nth-child(4) { height: 12px; animation-delay: 0.3s; }
.signal-bar:nth-child(5) { height: 26px; animation-delay: 0.15s; }
.signal-bar:nth-child(6) { height: 14px; animation-delay: 0.25s; }
.signal-bar:nth-child(7) { height: 20px; animation-delay: 0.05s; }
.signal-bar:nth-child(8) { height: 10px; animation-delay: 0.35s; }
.signal-bar:nth-child(9) { height: 24px; animation-delay: 0.18s; }
.signal-bar:nth-child(10) { height: 15px; animation-delay: 0.28s; }
.signal-bar:nth-child(11) { height: 18px; animation-delay: 0.08s; }
.signal-bar:nth-child(12) { height: 11px; animation-delay: 0.22s; }

@keyframes signalPulse {
    0%, 100% { opacity: 0.45; transform: scaleY(0.85); }
    50% { opacity: 1; transform: scaleY(1.1); }
}

.lab-float-tag {
    position: absolute;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 8px 12px;
    border-radius: 50px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(6px);
    white-space: nowrap;
}

.lab-float-tag.t1 { top: 8%; left: -4%; }
.lab-float-tag.t2 { bottom: 22%; right: -2%; }

@media (prefers-reduced-motion: reduce) {
    .page-hero .lab-kicker::before,
    .gaze-cursor,
    .signal-bar { animation: none; }
}

@media (max-width: 991px) {
    .page-hero-grid { grid-template-columns: 1fr; gap: 28px; }
    .page-hero-viz { min-height: 200px; }
    .lab-screen { max-width: 300px; }
    .lab-float-tag { display: none; }
}

@media (max-width: 576px) {
    .page-hero { padding: 40px 0 36px; }
    .page-hero-viz { display: none; }
}

/* ── Landing page (customer-focused) ── */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.value-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.value-card .value-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    color: #fff;
    border-radius: 16px;
    font-size: 1.75rem;
}

.value-card h5 { margin-bottom: 10px; }

.value-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin: 0;
}

.service-teaser {
    height: 100%;
    padding: 28px;
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.service-teaser:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.service-teaser i {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 16px;
    display: block;
}

.cta-band {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: #fff;
    padding: 64px 0;
    text-align: center;
}

.cta-band h2 {
    color: #fff;
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: 16px;
}

.cta-band p {
    color: rgba(255,255,255,0.92);
    max-width: 560px;
    margin: 0 auto 28px;
    font-size: 1.1rem;
}

.cta-band .btn-light {
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 50px;
    color: var(--color-primary);
}

.trust-bar {
    padding: 32px 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-bar .trust-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    text-align: center;
    margin-bottom: 20px;
}

.trust-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 32px 48px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.trust-item i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

.landing-preview-link {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ── Enhanced landing GUI ── */
.hero-visual {
    position: relative;
}

.hero-visual img {
    width: 100%;
    max-height: 440px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 4px solid rgba(255,255,255,0.2);
}

.hero-float-card {
    position: absolute;
    background: rgba(255,255,255,0.95);
    color: var(--color-text);
    border-radius: 14px;
    padding: 12px 16px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    animation: floatSoft 4s ease-in-out infinite;
}

.hero-float-card i {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    color: #fff;
    font-size: 1rem;
}

.hero-float-card.top-left {
    top: 12%;
    left: -8%;
}

.hero-float-card.bottom-right {
    bottom: 10%;
    right: -6%;
    animation-delay: 1.2s;
}

@keyframes floatSoft {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (prefers-reduced-motion: reduce) {
    .hero-float-card { animation: none; }
}

.method-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.method-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(255,255,255,0.14);
    border: 1px solid rgba(255,255,255,0.28);
    border-radius: 50px;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 500;
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.audience-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    height: 100%;
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.audience-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.audience-card .audience-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.audience-card h5 { margin-bottom: 8px; }

.audience-card p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    margin-bottom: 16px;
}

.audience-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}

.audience-card li {
    font-size: 0.88rem;
    padding: 4px 0;
    color: var(--color-text-muted);
}

.audience-card li::before {
    content: '→ ';
    color: var(--color-accent);
    font-weight: 700;
}

.process-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    counter-reset: step;
    position: relative;
}

.process-step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}

.process-step:hover { transform: translateY(-4px); }

.process-step::before {
    counter-increment: step;
    content: counter(step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
}

.process-step h5 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin: 0;
}

.metric-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.metric-tile {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.metric-tile .metric-num {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.metric-tile .metric-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.service-teaser .teaser-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-teaser .teaser-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 12px 0 16px;
}

.service-teaser .teaser-tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 50px;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.participate-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 32px;
    align-items: center;
}

.participate-benefits {
    display: grid;
    gap: 12px;
}

.benefit-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--color-bg-alt);
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 500;
}

.benefit-chip i {
    color: var(--color-accent);
    font-size: 1.25rem;
}

.quote-banner {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius) var(--radius) 0;
    padding: 24px 28px;
    margin: 0 auto;
    max-width: 760px;
}

.quote-banner p {
    font-size: 1.15rem;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 8px;
}

.quote-banner cite {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-style: normal;
    font-weight: 600;
}

@media (max-width: 991px) {
    .audience-grid,
    .process-track,
    .metric-strip { grid-template-columns: 1fr 1fr; }
    .participate-panel { grid-template-columns: 1fr; padding: 28px; }
    .hero-float-card { display: none; }
}

@media (max-width: 576px) {
    .audience-grid,
    .process-track,
    .metric-strip { grid-template-columns: 1fr; }
}

/* ── Inner page visual enhancements ── */
.page-hero-rich {
    /* inherits lab hero; kept for markup compatibility */
}

.page-hero-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 4px;
}

.page-hero-pills .method-pill {
    background: rgba(255,255,255,0.1);
    border-color: rgba(131, 232, 215, 0.3);
}

.visual-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.visual-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.visual-card-banner {
    height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
}

.visual-card-banner.alt-1 { background: linear-gradient(135deg, #005f8a, #0077b6); }
.visual-card-banner.alt-2 { background: linear-gradient(135deg, #0077b6, #00a896); }
.visual-card-banner.alt-3 { background: linear-gradient(135deg, #0d2137, #005f8a); }
.visual-card-banner.alt-4 { background: linear-gradient(135deg, #00a896, #83e8d7); color: #0d2137; }
.visual-card-banner.alt-5 { background: linear-gradient(135deg, #003d5c, #00a896); }

.visual-card-body { padding: 1.35rem 1.4rem 1.5rem; }

.visual-card-body h5 { margin-bottom: 8px; }

.visual-card-body p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    margin-bottom: 12px;
}

.capability-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.capability-tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 50px;
    background: var(--color-bg-alt);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.toolkit-category {
    margin-bottom: 28px;
}

.toolkit-category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.toolkit-category-title .cat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
    color: #fff;
    font-size: 1.2rem;
}

.toolkit-category-title h3 {
    font-size: 1.15rem;
    margin: 0;
}

.measure-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.measure-tile {
    text-align: center;
    padding: 24px 16px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.measure-tile i {
    font-size: 1.75rem;
    color: var(--color-accent);
    margin-bottom: 10px;
    display: block;
}

.measure-tile strong {
    display: block;
    margin-bottom: 4px;
}

.measure-tile span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.service-visual-card {
    height: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}

.service-visual-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.service-visual-card .svc-top {
    padding: 24px 24px 12px;
    background: linear-gradient(160deg, var(--color-bg-alt) 0%, var(--color-surface) 100%);
    border-bottom: 1px solid var(--color-border);
}

.service-visual-card .svc-top .card-icon {
    margin-bottom: 12px;
}

.service-visual-card .svc-body {
    padding: 20px 24px 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.service-visual-card .service-includes {
    flex-grow: 1;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.resource-card {
    display: block;
    padding: 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    text-decoration: none;
    color: inherit;
    transition: all var(--transition);
}

.resource-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    color: inherit;
    transform: translateY(-3px);
}

.resource-card i {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 10px;
    display: block;
}

.resource-card h5 {
    font-size: 0.95rem;
    margin-bottom: 6px;
}

.resource-card p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
}

.news-feature-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 20px;
    margin-bottom: 48px;
}

.news-feature-main,
.news-feature-side {
    border-radius: var(--radius-lg);
    overflow: hidden;
    color: #fff;
    position: relative;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    text-decoration: none;
    box-shadow: var(--shadow-md);
}

.news-feature-main {
    background: linear-gradient(135deg, #003d5c 0%, #0077b6 55%, #00a896 100%);
}

.news-feature-side {
    background: linear-gradient(145deg, #0d2137 0%, #005f8a 100%);
    min-height: 160px;
}

.news-feature-main h3,
.news-feature-side h3 {
    color: #fff;
    font-size: 1.35rem;
    margin-bottom: 8px;
}

.news-feature-main p,
.news-feature-side p {
    color: rgba(255,255,255,0.9);
    margin: 0;
    font-size: 0.95rem;
}

.news-status {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.news-status.planned {
    background: rgba(240, 198, 120, 0.95);
    color: #1a2b3c;
}

.news-event-card {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 20px;
    align-items: start;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.news-event-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.news-event-icon {
    width: 88px;
    height: 88px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
}

.news-event-icon.planned {
    background: linear-gradient(135deg, #5a6b7d, #a8bcc9);
}

.news-event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 8px;
}

.social-visual-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.social-visual-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 28px 20px;
    border-radius: var(--radius-lg);
    color: #fff !important;
    text-decoration: none;
    transition: transform var(--transition);
}

.social-visual-card:hover {
    transform: translateY(-4px);
    color: #fff !important;
}

.social-visual-card i {
    font-size: 2rem;
    margin-bottom: 12px;
}

.social-visual-card.fb { background: linear-gradient(135deg, #1877f2, #0d5dbf); }
.social-visual-card.li { background: linear-gradient(135deg, #0a66c2, #004182); }
.social-visual-card.yt { background: linear-gradient(135deg, #ff0000, #b2071d); }

.travel-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.travel-card {
    background: var(--color-bg-alt);
    border-radius: 12px;
    padding: 14px;
    text-align: center;
}

.travel-card i {
    font-size: 1.4rem;
    color: var(--color-primary);
    display: block;
    margin-bottom: 6px;
}

.travel-card strong {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.travel-card span {
    font-size: 0.78rem;
    color: var(--color-text-muted);
}

@media (max-width: 991px) {
    .measure-grid,
    .resource-grid,
    .social-visual-grid,
    .travel-cards { grid-template-columns: 1fr 1fr; }
    .news-feature-grid { grid-template-columns: 1fr; }
}

@media (max-width: 576px) {
    .measure-grid,
    .resource-grid,
    .social-visual-grid,
    .travel-cards { grid-template-columns: 1fr; }
    .news-event-card { grid-template-columns: 1fr; }
    .news-event-icon { width: 64px; height: 64px; font-size: 1.5rem; }
}