/* ==========================================
   jeffberthiaume.me — Design Tokens
   ========================================== */
:root {
    /* Backgrounds */
    --bg-primary: #0d1117;
    --bg-secondary: #131923;
    --bg-card: #131923;

    /* Text */
    --text-primary: #f8f6f2;
    --text-secondary: #6b7280;

    /* Accent */
    --accent: #cc5500;
    --accent-hover: #ff7733;
    --accent-dark: #993d00;
    --accent-rgb: 204, 85, 0;

    /* Borders */
    --border: rgba(204, 85, 0, 0.2);

    /* Portfolio-specific */
    --chapter: #1e3a5f;

    /* Category colors */
    --cat-ai: #cc5500;
    --cat-edtech: #1e3a5f;
    --cat-app: #8b3a3a;
    --cat-passion: #2d6a4f;
    --cat-retro: #8b6914;

    /* Typography */
    --font-body: 'Space Grotesk', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-mono: 'Cascadia Code', 'Fira Code', 'SF Mono', Consolas, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* ==========================================
   Skip Link
   ========================================== */
.skip-link {
    position: fixed;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--bg-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 8px 8px;
    text-decoration: none;
    font-weight: 600;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 0;
    outline: none;
}

/* ==========================================
   Progress Bar
   ========================================== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-hover));
    width: 0%;
    z-index: 1000;
    transition: width 0.1s;
}

/* ==========================================
   Chapter Navigation
   ========================================== */
.chapter-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.chapter-dot {
    width: 12px;
    height: 12px;
    border: 2px solid var(--accent);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
}

.chapter-dot.active {
    background: var(--accent);
    box-shadow: 0 0 20px var(--accent);
}

.chapter-dot::after {
    content: attr(data-chapter);
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity 0.3s;
    color: var(--accent);
}

.chapter-dot:hover::after,
.chapter-dot:focus::after {
    opacity: 1;
}

.chapter-dot:focus {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

/* ==========================================
   Opening Scene
   ========================================== */
.opening {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(var(--accent-rgb), 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(30, 58, 95, 0.2) 0%, transparent 40%),
        var(--bg-primary);
}

.opening-content {
    text-align: center;
    z-index: 1;
    opacity: 0;
    transform: translateY(40px);
    animation: revealHero 1.5s ease-out 0.5s forwards;
}

@keyframes revealHero {
    to { opacity: 1; transform: translateY(0); }
}

.opening h1 {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.opening h1 span {
    display: block;
    font-style: italic;
    color: var(--accent);
}

.opening-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ==========================================
   Section Base
   ========================================== */
.section {
    padding: 10vh 5vw;
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
}

.section-label {
    font-size: 0.75rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.8s ease;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease 0.2s;
}

.section-intro {
    font-size: 1.2rem;
    line-height: 2;
    color: rgba(248, 246, 242, 0.85);
    max-width: 800px;
    margin-bottom: 2.5rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.4s;
}

.section-intro strong {
    color: var(--accent);
    font-weight: 600;
}

.section.visible .section-label { opacity: 1; transform: translateX(0); }
.section.visible .section-title { opacity: 1; transform: translateY(0); }
.section.visible .section-intro { opacity: 1; transform: translateY(0); }

/* ==========================================
   About Section
   ========================================== */
#about {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding: 12vh 5vw;
}

.about-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-text {
    font-size: 1.2rem;
    line-height: 2;
    color: rgba(248, 246, 242, 0.85);
}

.about-text strong {
    color: var(--accent);
    font-weight: 600;
}

.about-visual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.floating-stat {
    background: rgba(var(--accent-rgb), 0.08);
    border: 1px solid rgba(var(--accent-rgb), 0.2);
    padding: 2rem 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.floating-stat:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(var(--accent-rgb), 0.15);
}

.floating-stat:nth-child(3) {
    grid-column: 1 / -1;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    color: var(--accent);
    display: block;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-secondary);
    margin-top: 0.4rem;
}

/* ==========================================
   Passions — Scope Tabs
   ========================================== */
.scope-toggle {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.8s ease 0.4s;
}

.section.visible .scope-toggle {
    opacity: 1;
    transform: translateY(0);
}

.scope-btn {
    padding: 0.4rem 0;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    position: relative;
    transition: color 0.3s ease;
}

.scope-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.scope-btn:hover {
    color: var(--text-primary);
}

.scope-btn.active {
    color: var(--accent-hover);
}

.scope-btn.active::after {
    transform: scaleX(1);
}

/* ==========================================
   Passions — Filter Pills
   ========================================== */
.filter-bar {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.8s ease 0.5s;
}

.section.visible .filter-bar {
    opacity: 1;
    transform: translateY(0);
}

.filter-pill {
    padding: 0.5rem 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 100px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-pill:hover {
    border-color: rgba(var(--accent-rgb), 0.4);
    color: var(--text-primary);
}

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

/* ==========================================
   Passions — 3D Sphere
   ========================================== */
.sphere-wrap {
    position: relative;
    width: 100%;
    height: 750px;
    perspective: 1000px;
    overflow: hidden;
    cursor: grab;
    user-select: none;
    opacity: 0;
    transition: opacity 1s ease 0.6s;
}

.section.visible .sphere-wrap {
    opacity: 1;
}

.sphere-wrap:active {
    cursor: grabbing;
}

/* Subtle radial glow behind the orb */
.sphere-wrap::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    height: 70%;
    transform: translate(-50%, -50%);
    background: radial-gradient(
        ellipse at center,
        rgba(255, 255, 255, 0.10) 0%,
        rgba(255, 255, 255, 0.05) 40%,
        transparent 65%
    );
    pointer-events: none;
    z-index: 0;
}

/* Canvas layer for constellation lines */
.sphere-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.sphere-stage {
    position: absolute;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    z-index: 2;
}

.s-card {
    position: absolute;
    overflow: hidden;
    width: 200px;
    left: 50%;
    top: 50%;
    margin-left: -100px;
    margin-top: -48px;
    background: rgba(25, 32, 45, 0.95);
    border: 1px solid color-mix(in srgb, var(--card-cat, white) 25%, transparent);
    border-radius: 10px;
    padding: 0.9rem 1rem;
    cursor: pointer;
    display: flex;
    gap: 0.75rem;
    align-items: center;
    transition: border-color 0.3s, box-shadow 0.3s, filter 0.2s, transform 0.15s ease;
    backface-visibility: hidden;
    will-change: transform;
}

.s-card:hover {
    border-color: color-mix(in srgb, var(--card-cat, white) 50%, transparent);
    box-shadow: 0 0 20px color-mix(in srgb, var(--card-cat, white) 15%, transparent);
}

/* Category left-edge accent bar */
.s-card::before,
.m-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--card-cat, transparent);
    border-radius: 10px 0 0 10px;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.s-card:hover::before,
.m-card:hover::before {
    opacity: 0.8;
}

/* Retro category: rainbow left-edge stripe (overrides solid bar) */
.s-card[data-cat="retro"],
.m-card[data-cat="retro"] {
    position: relative;
    overflow: hidden;
}

.s-card[data-cat="retro"]::before,
.m-card[data-cat="retro"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(
        to bottom,
        #ff0000 0%, #ff0000 16.6%,
        #ffcc00 16.6%, #ffcc00 33.2%,
        #33cc33 33.2%, #33cc33 49.8%,
        #00cccc 49.8%, #00cccc 66.4%,
        #3366ff 66.4%, #3366ff 83%,
        #cc33ff 83%, #cc33ff 100%
    );
    border-radius: 10px 0 0 10px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.s-card[data-cat="retro"]:hover::before,
.m-card[data-cat="retro"]:hover::before {
    opacity: 1;
}

.s-card .card-icon {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    color: #fff;
    overflow: hidden;
    font-family: 'Space Grotesk', sans-serif;
}

.s-card .card-body {
    flex: 1;
    min-width: 0;
}

.s-card .card-label {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 0.15rem;
}

.s-card .card-name {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sphere-hint {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-secondary);
    opacity: 0.4;
    pointer-events: none;
}

/* ==========================================
   Journey / Timeline
   ========================================== */
#journey {
    padding: 12vh 5vw;
}

.journey-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.journey-timeline {
    position: relative;
    padding-left: 60px;
    margin-right: 60px;
}

.timeline-line {
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom,
        transparent,
        var(--accent) 10%,
        var(--accent) 90%,
        transparent
    );
}

.timeline-entry {
    position: relative;
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease;
}

.timeline-entry.visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline-entry:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -48px;
    top: 0;
    width: 16px;
    height: 16px;
    border: 3px solid var(--accent);
    background: var(--bg-primary);
    border-radius: 50%;
    transition: all 0.4s ease;
}

.timeline-entry:hover .timeline-marker {
    background: var(--accent);
    box-shadow: 0 0 8px rgba(var(--accent-rgb), 0.4);
}

.timeline-year {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--accent);
    margin-bottom: 0.75rem;
}

.timeline-card {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.3), rgba(13, 17, 23, 0.8));
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.timeline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.4s ease;
}

.timeline-entry:hover .timeline-card::before {
    transform: scaleY(1);
}

.timeline-entry:hover .timeline-card {
    border-color: rgba(var(--accent-rgb), 0.3);
}

.timeline-role {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 0.4rem;
}

.timeline-org {
    color: var(--accent);
    font-size: 0.95rem;
    margin-bottom: 0.75rem;
}

.timeline-desc {
    list-style: none;
    color: var(--text-secondary);
    line-height: 1.8;
}

.timeline-desc li {
    margin-bottom: 0.4rem;
    padding-left: 1.5rem;
    position: relative;
}

.timeline-desc li::before {
    content: '\2192';
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ==========================================
   Closing / Contact
   ========================================== */
.closing {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background:
        radial-gradient(ellipse at 50% 100%, rgba(var(--accent-rgb), 0.08) 0%, transparent 50%),
        var(--bg-primary);
    padding: 5rem 2rem;
}

.closing-content {
    max-width: 700px;
}

.closing-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.closing-text {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 3rem;
    background: transparent;
    border: 2px solid var(--accent);
    color: var(--accent);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.contact-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--accent);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
    z-index: -1;
}

.contact-btn:hover {
    color: #ffffff;
}

.contact-btn:hover::before {
    transform: translateX(0);
}

/* ==========================================
   Modal
   ========================================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 999;
}

.modal-overlay.active {
    display: block;
}

.modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 480px;
    max-width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 2px solid var(--accent);
    border-radius: 16px;
    padding: 2.5rem;
    z-index: 1001;
    box-shadow: 0 0 80px rgba(var(--accent-rgb), 0.3);
    opacity: 0;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

.modal.active {
    display: block;
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.modal-close:hover {
    background: var(--accent);
    color: #fff;
}

.modal-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

.modal-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.modal-name {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.modal-detail {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.modal-link {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: gap 0.3s;
}

.modal-link:hover {
    gap: 1rem;
}

/* ==========================================
   Footer
   ========================================== */
footer {
    padding: 3rem;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copy {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-palette {
    margin-top: 1rem;
}

.footer-palette a {
    color: var(--text-secondary);
    font-size: 0.7rem;
    text-decoration: none;
    opacity: 0.5;
    transition: opacity 0.3s;
}

.footer-palette a:hover {
    opacity: 1;
    color: var(--accent);
}

/* ==========================================
   Mobile Card Grid (replaces sphere on phone)
   ========================================== */
.mobile-grid {
    display: none;
}

.m-card {
    position: relative;
    overflow: hidden;
    background: rgba(19, 25, 35, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    padding: 1rem 1.1rem;
    cursor: pointer;
    display: flex;
    gap: 0.85rem;
    align-items: center;
    height: 72px;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.5s ease, transform 0.5s ease,
                border-color 0.3s ease, box-shadow 0.3s ease;
}

.m-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.m-card.hidden { display: none; }

.m-card:hover {
    transform: translateY(0) scale(1.02);
    border-color: rgba(var(--accent-rgb), 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.m-card .card-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    line-height: 1;
    color: #fff;
    overflow: hidden;
    font-family: 'Space Grotesk', sans-serif;
}

.m-card .card-body { flex: 1; min-width: 0; }

.m-card .card-label {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--accent);
    margin-bottom: 0.15rem;
}

.m-card .card-name {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==========================================
   Responsive — Tablet (768-1024)
   ========================================== */
@media (max-width: 1024px) and (min-width: 769px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .chapter-nav {
        right: 1rem;
    }

    .journey-timeline {
        padding-left: 50px;
    }

    .timeline-marker {
        left: -38px;
        width: 14px;
        height: 14px;
    }

    .timeline-line {
        left: 15px;
    }

    .scope-btn {
        font-size: 0.8rem;
    }

    /* Vertical pills + sphere side by side */
    .passions-layout {
        display: flex;
        gap: 1.5rem;
        align-items: flex-start;
    }

    .filter-bar {
        flex-direction: column;
        flex-wrap: nowrap;
        min-width: 140px;
        gap: 0.4rem;
        position: sticky;
        top: 2rem;
    }

    .filter-pill {
        font-size: 0.75rem;
        padding: 0.4rem 1rem;
        text-align: left;
    }

    .sphere-wrap {
        flex: 1;
        height: 600px;
    }
}

/* ==========================================
   Responsive — 968px (about grid)
   ========================================== */
@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .chapter-nav {
        right: 1rem;
    }

    .journey-timeline {
        padding-left: 50px;
    }

    .timeline-marker {
        left: -38px;
        width: 14px;
        height: 14px;
    }

    .timeline-line {
        left: 15px;
    }
}

/* ==========================================
   Mobile — 768px
   ========================================== */
@media (max-width: 768px) {
    .chapter-nav {
        display: none;
    }

    /* Reduce spacing between opening and about */
    .opening {
        height: 85vh;
    }

    #about {
        padding: 6vh 5vw;
    }

    .section {
        padding: 6vh 5vw;
    }

    #journey {
        padding: 6vh 5vw;
    }

    /* Hide sphere, show grid */
    .sphere-wrap {
        display: none;
    }

    .sphere-hint {
        display: none;
    }

    .mobile-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    /* Compact scope + filter pills */
    .scope-toggle {
        gap: 1.25rem;
        margin-bottom: 0.75rem;
    }

    .scope-btn {
        font-size: 0.75rem;
    }

    .filter-bar {
        gap: 0.35rem;
        margin-bottom: 1.25rem;
    }

    .filter-pill {
        font-size: 0.75rem;
        padding: 0.35rem 0.9rem;
    }

    /* Timeline */
    .journey-timeline {
        padding-left: 40px;
        margin-right: 0;
    }

    .timeline-line {
        left: 12px;
    }

    .timeline-marker {
        left: -34px;
        width: 12px;
        height: 12px;
    }

    .timeline-role {
        font-size: 1.2rem;
    }

    .timeline-card {
        padding: 1.25rem;
    }

    /* Typography */
    .opening-subtitle {
        font-size: 1rem;
    }

    .about-text {
        font-size: 1.1rem;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .closing-text {
        font-size: 1rem;
    }

    .modal-close {
        width: 44px;
        height: 44px;
        font-size: 1.5rem;
    }
}

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