/* ─── HERO ─── */
  #hero {
    position: relative;
    min-height: 100vh;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    overflow: hidden;
    padding: 8rem 4rem 5rem;
  }

  /* Hero background — real Explora collage */
  .mosaic {
    position: absolute; inset: 0;
    background-image: url('/assets/banner.jpg');
    background-size: cover;
    background-position: center center;
    opacity: var(--mosaic-opacity);
    filter: saturate(0.75);
  }
  .mosaic-cell { display: none; }

  /* Deep gradient overlay for legibility */
  #hero::after {
    content: '';
    position: absolute; inset: 0;
    background: var(--hero-overlay);
    pointer-events: none;
  }

  .hero-content {
    position: relative; z-index: 2;
    text-align: center;
    max-width: 860px;
    animation: fadeUp 1s ease both;
  }

  .hero-eyebrow {
    display: inline-flex; align-items: center; gap: 0.6rem;
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.8rem;
  }
  .hero-eyebrow::before, .hero-eyebrow::after {
    content: '';
    display: block; width: 40px; height: 1px;
    background: var(--gold); opacity: 0.5;
  }

  .hero-title {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 8vw, 7rem);
    font-weight: 600;
    line-height: 1.0;
    letter-spacing: -0.01em;
    margin-bottom: 1.5rem;
  }
  .hero-title em {
    font-style: normal;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold2) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .hero-sub {
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--hero-sub);
    max-width: 580px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
  }

  .hero-actions {
    display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
  }
  .btn-primary {
    padding: 0.85rem 2.2rem;
    background: var(--gold);
    color: #08080E;
    border-radius: 2px;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: transform 0.2s, opacity 0.2s;
  }
  .btn-primary:hover { transform: translateY(-2px); opacity: 0.9; }

  .btn-ghost {
    padding: 0.85rem 2.2rem;
    border: 1px solid rgba(240,237,230,0.25);
    color: var(--text);
    border-radius: 2px;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    transition: border-color 0.2s, transform 0.2s;
  }
  .btn-ghost:hover { border-color: rgba(240,237,230,0.5); transform: translateY(-2px); }

  .scroll-hint {
    position: absolute; bottom: 2.5rem; left: 50%; transform: translateX(-50%);
    z-index: 2;
    display: flex; flex-direction: column; align-items: center; gap: 0.4rem;
    font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase;
    color: var(--muted);
    animation: bounce 2s infinite;
  }
  .scroll-hint::after {
    content: '';
    display: block; width: 1px; height: 40px;
    background: linear-gradient(to bottom, var(--gold), transparent);
  }

  /* ─── SECTION GLOBALS ─── */
  section { padding: 7rem 4rem; }

  .section-eyebrow {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1rem;
  }

  .section-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.1;
    margin-bottom: 1.2rem;
  }

  .section-desc {
    font-size: 1.05rem;
    font-weight: 300;
    color: var(--section-desc);
    line-height: 1.75;
    max-width: 580px;
  }

  /* ─── PILLARS OVERVIEW ─── */
  #pillars {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }

  .pillars-grid {
    max-width: 1200px; margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1px;
    background: var(--border);
  }

  .pillar-card {
    background: var(--surface);
    padding: 3rem 2.5rem;
    text-decoration: none;
    transition: background 0.3s;
    position: relative;
    overflow: hidden;
  }
  .pillar-card:hover { background: var(--surface2); }
  .pillar-card::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--accent-color, var(--gold));
    transform: scaleX(0); transform-origin: left;
    transition: transform 0.35s ease;
  }
  .pillar-card:hover::before { transform: scaleX(1); }

  .pillar-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid rgba(233,196,106,0.2);
    border-radius: 6px;
    color: var(--gold);
    margin-bottom: 1.4rem;
  }
  .pillar-icon svg { width: 22px; height: 22px; }
  .pillar-number {
    font-family: var(--font-display);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.5rem;
  }
  .pillar-name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 0.8rem;
    letter-spacing: -0.02em;
  }
  .pillar-desc {
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.6;
  }

  /* ─── CONSULTING ─── */
  #consulting {
    max-width: 1200px; margin: 0 auto;
  }
  .two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
  }
  .two-col.flip { direction: rtl; }
  .two-col.flip > * { direction: ltr; }

  .service-list { list-style: none; margin-top: 2rem; display: flex; flex-direction: column; gap: 0.9rem; }
  .service-list li {
    display: flex; align-items: flex-start; gap: 1rem;
    font-size: 0.95rem;
    color: rgba(240,237,230,0.75);
    padding: 1rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: border-color 0.2s, background 0.2s;
  }
  .service-list li:hover { border-color: var(--gold); background: rgba(233,196,106,0.04); }
  .service-list li .check {
    color: var(--gold); flex-shrink: 0; margin-top: 3px;
    display: flex; align-items: flex-start;
  }

  .visual-block {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: 6px;
    overflow: hidden;
    background: var(--surface2);
  }
  .visual-block img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: saturate(0.7);
    transition: filter 0.4s, transform 0.4s;
  }
  .visual-block:hover img { filter: saturate(1); transform: scale(1.03); }
  .visual-block-label {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(8,8,14,0.9), transparent);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
  }
  .accent-bar {
    display: inline-block;
    width: 3px; height: 24px;
    background: var(--gold);
    vertical-align: middle;
    margin-right: 0.5rem;
  }

  /* ─── STUDIOS ─── */
  #studios {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  #studios .inner { max-width: 1200px; margin: 0 auto; }

  .studios-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
  }

  .studio-card {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: var(--card-shadow);
  }
  .studio-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.4);
  }
  .studio-card-icon {
    width: 44px; height: 44px;
    background: rgba(233,196,106,0.08);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--gold);
    margin-bottom: 1.2rem;
  }
  .studio-card-icon svg { width: 20px; height: 20px; }
  .studio-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
  }
  .studio-card p {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.6;
  }

  /* ─── THE LAB ─── */
  #lab {
    max-width: 1200px; margin: 0 auto;
  }

  .lab-hero {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 4rem;
  }

  .lab-tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 3rem;
  }

  .tool-chip {
    padding: 1rem 1.2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.88rem;
    color: var(--muted);
    transition: all 0.2s;
    display: flex; align-items: center; gap: 0.6rem;
  }
  .tool-chip:hover {
    border-color: var(--teal);
    color: var(--text);
    background: rgba(46,196,182,0.05);
  }
  .tool-chip .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--teal); flex-shrink: 0;
  }

  .lab-visual {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    font-family: monospace;
    font-size: 0.82rem;
    color: var(--teal);
    line-height: 1.8;
    overflow: hidden;
  }
  .lab-visual .comment { color: var(--muted); }
  .lab-visual .keyword { color: var(--gold); }
  .lab-visual .string { color: #A8E6CF; }

  /* ─── UBC COURSES ─── */
  #courses {
    background: var(--courses-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  #courses .inner { max-width: 1200px; margin: 0 auto; }

  .ubc-badge {
    display: inline-flex; align-items: center; gap: 0.7rem;
    padding: 0.4rem 1rem;
    background: rgba(233,196,106,0.1);
    border: 1px solid rgba(233,196,106,0.25);
    border-radius: 2px;
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1.5rem;
  }

  .courses-header {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 2rem;
    align-items: end;
    margin-bottom: 3rem;
  }

  .courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
  }

  .course-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    display: flex; flex-direction: column;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
  }
  .course-card::before {
    content: '';
    position: absolute; top: 0; left: 0; bottom: 0; width: 3px;
    background: linear-gradient(to bottom, var(--gold), var(--teal));
    transform: scaleY(0); transform-origin: top;
    transition: transform 0.3s ease;
  }
  .course-card:hover {
    border-color: rgba(233,196,106,0.25);
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
  }
  .course-card:hover::before { transform: scaleY(1); }

  .course-tag {
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 0.7rem;
  }
  .course-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.7rem;
    line-height: 1.3;
    letter-spacing: -0.01em;
  }
  .course-desc {
    font-size: 0.86rem;
    color: var(--muted);
    line-height: 1.6;
    flex: 1;
    margin-bottom: 1.2rem;
  }
  .course-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-top: auto;
  }
  .course-link svg { transition: transform 0.2s; }
  .course-card:hover .course-link svg { transform: translateX(4px); }

  .cert-highlight {
    background: linear-gradient(135deg, rgba(233,196,106,0.08), rgba(46,196,182,0.05));
    border-color: rgba(233,196,106,0.2);
  }
  .cert-badge {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.25rem 0.6rem;
    background: rgba(233,196,106,0.15);
    border-radius: 2px;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.6rem;
  }

  /* ─── STATS / SOCIAL PROOF ─── */
  #stats {
    max-width: 1200px; margin: 0 auto;
    display: flex; gap: 0; flex-wrap: wrap;
  }
  .stat {
    flex: 1; min-width: 160px;
    padding: 3rem 2rem;
    border-right: 1px solid var(--border);
  }
  .stat:last-child { border-right: none; }
  .stat-num {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 4vw, 4rem);
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 0.4rem;
  }
  .stat-num span { color: var(--gold); }
  .stat-label {
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 300;
  }

  /* ─── PROCESS ─── */
  #process {
    background: var(--surface);
    border-top: 1px solid var(--border);
  }
  #process .inner {
    max-width: 1200px; margin: 0 auto;
  }
  .process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    background: var(--border);
    margin-top: 3.5rem;
  }
  .process-step {
    background: var(--surface);
    padding: 2.5rem 2rem;
    position: relative;
    transition: background 0.2s;
  }
  .process-step:hover { background: var(--surface2); }
  .step-num {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 800;
    color: rgba(233,196,106,0.1);
    line-height: 1;
    margin-bottom: 1rem;
  }
  .process-step h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.6rem;
    letter-spacing: -0.01em;
  }
  .process-step p {
    font-size: 0.87rem;
    color: var(--muted);
    line-height: 1.6;
  }

  /* ─── CTA BAND ─── */
  #cta {
    text-align: center;
    padding: 8rem 4rem;
    position: relative;
    overflow: hidden;
  }
  #cta::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(233,196,106,0.06) 0%, transparent 70%);
    pointer-events: none;
  }
  .cta-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
  #cta .section-title { margin-bottom: 1.2rem; }
  #cta .section-desc { margin: 0 auto 2.5rem; text-align: center; }

  /* ─── FOOTER ─── */
  footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 4rem 4rem 2rem;
  }
  .footer-grid {
    max-width: 1200px; margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
  }
  .footer-brand {}
  .footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 1rem;
  }
  .footer-logo span { color: var(--gold); }
  .footer-tagline {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.6;
    max-width: 260px;
    margin-bottom: 1.5rem;
  }
  .social-links { display: flex; gap: 0.8rem; }
  .social-link {
    width: 36px; height: 36px;
    border: 1px solid var(--border);
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    font-size: 0.85rem;
    color: var(--muted);
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
  }
  .social-link:hover { border-color: var(--gold); color: var(--gold); }

  .footer-col h4 {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 1.2rem;
  }
  .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
  .footer-col a {
    font-size: 0.88rem;
    color: var(--footer-link);
    text-decoration: none;
    transition: color 0.2s;
  }
  .footer-col a:hover { color: var(--text); }

  .footer-bottom {
    max-width: 1200px; margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.8rem;
    color: var(--muted);
  }

  /* ─── ANIMATIONS ─── */
  @keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
  }

    50% { opacity: calc(var(--mosaic-opacity) + 0.12); }
  }

  .mosaic { }

  /* Reveal on scroll */
  .reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .js-reveal-ready .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .js-reveal-ready .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 900px) {
    nav { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    section { padding: 5rem 1.5rem; }
    .two-col, .two-col.flip { grid-template-columns: 1fr; gap: 2.5rem; }
    .two-col.flip { direction: ltr; }
    .studios-grid { grid-template-columns: 1fr 1fr; }
    [style*="repeat(4"] { grid-template-columns: 1fr 1fr !important; }
    .process-steps { grid-template-columns: 1fr 1fr; }
    .courses-grid { grid-template-columns: 1fr; }
    .courses-header { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    #stats { flex-direction: column; }
    .stat { border-right: none; border-bottom: 1px solid var(--border); }
  }
  @media (max-width: 600px) {
    .hero-title { font-size: 2.5rem; }
    .studios-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .mosaic { grid-template-columns: repeat(3, 1fr); }
  }

  /* ─── THEME TOGGLE ─── */
  .theme-toggle {
    width: 40px; height: 22px;
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
    position: relative;
    transition: background 0.3s, border-color 0.3s;
    flex-shrink: 0;
  }
  .theme-toggle::after {
    content: '';
    position: absolute;
    top: 2px; left: 2px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--gold);
    transition: transform 0.3s, background 0.3s;
  }
  [data-theme="light"] .theme-toggle {
    background: rgba(184,134,11,0.15);
    border-color: rgba(184,134,11,0.3);
  }
  [data-theme="light"] .theme-toggle::after {
    transform: translateX(18px);
  }
  .theme-toggle-wrap {
    display: flex; align-items: center; gap: 0.5rem;
  }
  .theme-icon {
    display: flex; align-items: center;
    color: var(--muted);
    transition: color 0.3s, opacity 0.3s; user-select: none;
    line-height: 1;
  }
  .theme-icon svg {
    width: 15px; height: 15px;
    stroke: currentColor; fill: none;
    stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round;
    transition: stroke 0.3s;
  }
  #themeIconDark { opacity: 1; color: var(--gold); }
  [data-theme="light"] #themeIconDark { opacity: 0.35; color: var(--muted); }
  #themeIconLight { opacity: 0.35; }
  [data-theme="light"] #themeIconLight { opacity: 1; color: var(--gold); }


  /* ─── LIGHT MODE OVERRIDES ─── */
  [data-theme="light"] .pillar-icon {
    border-color: rgba(26,86,160,0.2);
    color: var(--gold);
  }
  [data-theme="light"] .studio-card-icon {
    background: rgba(26,86,160,0.06);
    border-color: rgba(26,86,160,0.12);
    color: var(--gold);
  }
  [data-theme="light"] .studio-card {
    background: var(--surface);
    box-shadow: var(--card-shadow);
  }
  [data-theme="light"] .pillar-card {
    background: var(--surface);
  }
  [data-theme="light"] .pillar-card:hover { background: var(--surface2); }
  [data-theme="light"] .course-card { box-shadow: var(--card-shadow); }
  [data-theme="light"] .course-card.highlighted {
    background: linear-gradient(135deg, rgba(26,86,160,0.04), rgba(39,113,200,0.03));
    border-color: rgba(26,86,160,0.15);
  }
  [data-theme="light"] .cert-badge {
    background: rgba(26,86,160,0.08);
    color: var(--gold);
  }
  [data-theme="light"] .ubc-badge {
    background: rgba(26,86,160,0.06);
    border-color: rgba(26,86,160,0.15);
  }
  [data-theme="light"] .service-list li:hover { background: rgba(26,86,160,0.03); }
  [data-theme="light"] .service-list li .check { color: var(--gold); }
  [data-theme="light"] .process-step:hover { background: var(--surface2); }
  [data-theme="light"] .lab-item {
    background: var(--surface);
    border-color: var(--border);
  }
  [data-theme="light"] .lab-item:hover { border-color: var(--gold); }
  [data-theme="light"] .section-eyebrow { color: var(--gold); }
  [data-theme="light"] .pillar-number { color: var(--gold); opacity: 0.7; }
  [data-theme="light"] .stat-num span { color: var(--gold); }
  [data-theme="light"] .hero-eyebrow { color: var(--gold); }
  [data-theme="light"] .header-eyebrow::before { background: var(--gold); }
  [data-theme="light"] .stats-bar {
    background: var(--surface2);
    border-color: var(--border);
  }
  [data-theme="light"] .social-link:hover {
    border-color: var(--gold);
    color: var(--gold);
  }
  [data-theme="light"] .nav-cta {
    background: #1E1E1E;
    color: #FFFFFF;
  }
  [data-theme="light"] .nav-cta:hover { background: #1A56A0; }
  [data-theme="light"] .btn-ghost {
    border-color: rgba(0,0,0,0.2);
    color: var(--text);
  }
  [data-theme="light"] .btn-ghost:hover {
    border-color: var(--gold);
    color: var(--gold);
  }
  [data-theme="light"] .cta-glow {
    background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(26,86,160,0.05) 0%, transparent 70%);
  }
  [data-theme="light"] .lab-visual {
    background: var(--surface);
    box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  }
  [data-theme="light"] .kinetic-item { border-color: rgba(26,86,160,0.3); }
  [data-theme="light"] .step-number { color: rgba(0,0,0,0.07); }
  [data-theme="light"] .theme-toggle {
    background: rgba(26,86,160,0.08);
    border-color: rgba(26,86,160,0.2);
  }
  [data-theme="light"] .filter-btn.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
  }

  
  /* ABOUT PAGE */
  #about-hero {
    min-height: 60vh; display: flex; align-items: flex-end;
    padding: 10rem 4rem 5rem; position: relative; overflow: hidden;
    border-bottom: 1px solid var(--border);
  }
  #about-hero::before {
    content: ''; position: absolute; inset: 0;
    background-image: url('/assets/banner.jpg');
    background-size: cover; background-position: center 30%;
    opacity: 0.12; filter: saturate(0.5);
  }
  #about-hero::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(to bottom, transparent 0%, var(--bg) 90%);
  }
  .about-hero-inner { max-width: 1200px; margin: 0 auto; width: 100%; position: relative; z-index: 2; }
  .about-h1 {
    font-family: var(--font-display); font-size: clamp(3rem, 7vw, 6.5rem);
    font-weight: 300; line-height: 1.05; letter-spacing: -0.03em;
    color: var(--text); margin: 0.75rem 0 0;
  }
  .about-h1 em { font-family: var(--font-accent); font-style: italic; color: var(--gold); }
  .about-hero-sub { max-width: 560px; font-size: 1.05rem; color: var(--hero-sub); margin-top: 1.5rem; line-height: 1.7; font-weight: 300; }
  #team { padding: 6rem 4rem; background: var(--bg); }
  .team-inner { max-width: 1200px; margin: 0 auto; }
  .team-header { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: end; margin-bottom: 4rem; padding-bottom: 3rem; border-bottom: 1px solid var(--border); }
  .team-header-desc { font-size: 1rem; line-height: 1.8; color: var(--origin-body); font-weight: 300; }
  .team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); }
  .team-card { background: var(--surface); padding: 2.5rem; display: flex; flex-direction: column; transition: background 0.25s; }
  .team-card.clickable { cursor: pointer; }
  .team-card:hover { background: var(--surface2); }
  .team-avatar { width: 64px; height: 64px; border-radius: 50%; background: var(--surface2); border: 1px solid var(--border); margin-bottom: 1.5rem; display: flex; align-items: center; justify-content: center; color: var(--muted); }
  .team-avatar svg { width: 28px; height: 28px; }
  .team-name { font-size: 1.15rem; font-weight: 500; color: var(--text); margin: 0 0 0.25rem; }
  .team-title { font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.25rem; }
  .team-bio-short { font-size: 0.9rem; line-height: 1.7; color: var(--muted); font-weight: 300; flex: 1; }
  .team-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.75rem; }
  .team-tag { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.07em; text-transform: uppercase; padding: 0.25rem 0.65rem; border: 1px solid var(--border); color: var(--muted); border-radius: 2px; }
  .team-placeholder { opacity: 0.35; }
  .profile-section { display: none; padding: 6rem 4rem; background: var(--surface); border-top: 1px solid var(--border); }
  .profile-section.active { display: block; }
  .team-card.active { background: var(--surface2); outline: 2px solid var(--gold); outline-offset: -2px; }
  #collaborators { padding: 5rem 4rem; background: var(--bg); border-top: 1px solid var(--border); }
  .collaborators-inner { max-width: 1200px; margin: 0 auto; }
  .collaborators-header { margin-bottom: 3rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border); display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
  .collaborators-header-desc { font-size: 0.9rem; line-height: 1.7; color: var(--muted); font-weight: 300; max-width: 520px; }
  .collab-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); }
  .collab-card { background: var(--surface); padding: 1.75rem; display: flex; flex-direction: column; }
  .collab-name { font-size: 0.95rem; font-weight: 500; color: var(--text); margin: 0 0 0.2rem; }
  .collab-role { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.9rem; }
  .collab-bio { font-size: 0.82rem; line-height: 1.65; color: var(--muted); font-weight: 300; flex: 1; }
  .profile-inner { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 340px; gap: 5rem; align-items: start; }
  .profile-eyebrow-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
  .profile-eyebrow-line { flex: 1; height: 1px; background: var(--border); }
  .profile-name { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 300; letter-spacing: -0.02em; color: var(--text); margin: 0 0 0.4rem; }
  .profile-creds { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 2.5rem; }
  .profile-body p { font-size: 1rem; line-height: 1.85; color: var(--origin-body); font-weight: 300; margin-bottom: 1.25rem; }
  .profile-ubc-link { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 1rem; font-size: 0.8rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gold); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.2s; }
  .profile-ubc-link:hover { border-bottom-color: var(--gold); }
  .profile-sidebar { display: flex; flex-direction: column; gap: 0; }
  .profile-stat { background: var(--surface2); padding: 1.5rem 2rem; border: 1px solid var(--border); margin-bottom: -1px; }
  .profile-stat-num { font-family: var(--font-display); font-size: 2.2rem; font-weight: 300; line-height: 1; color: var(--text); }
  .profile-stat-num span { color: var(--gold); }
  .profile-stat-label { font-size: 0.75rem; letter-spacing: 0.04em; color: var(--muted); margin-top: 0.35rem; line-height: 1.4; }
  #ubc-programs-about { padding: 5rem 4rem 3rem; background: var(--bg); border-top: 1px solid var(--border); }
  #ubc-courses-about { padding: 3rem 4rem 6rem; background: var(--bg); border-top: 1px solid var(--border); }
  .courses-about-inner { max-width: 1200px; margin: 0 auto; }
  .courses-about-header { display: grid; grid-template-columns: 1fr auto; align-items: end; margin-bottom: 2.5rem; }
  .courses-about-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 1px; background: var(--border); }
  .course-about-card { background: var(--bg); padding: 1.5rem 1.75rem; text-decoration: none; display: flex; flex-direction: column; gap: 0.4rem; transition: background 0.2s; position: relative; }
  .course-about-card::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--gold); transform: scaleY(0); transform-origin: bottom; transition: transform 0.2s; }
  .course-about-card:hover { background: var(--surface); }
  .course-about-card:hover::before { transform: scaleY(1); }
  .course-num { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }
  .course-about-card h3 { font-size: 0.88rem; font-weight: 400; color: var(--text); line-height: 1.4; margin: 0; }
  .course-next { font-size: 0.72rem; color: var(--muted); margin-top: 0.3rem; }
  #about-cta { padding: 6rem 4rem; text-align: center; background: var(--surface); border-top: 1px solid var(--border); }
  @media (max-width: 1000px) {
    .team-grid { grid-template-columns: 1fr 1fr; }
    .profile-inner { grid-template-columns: 1fr; gap: 3rem; }
    .profile-sidebar { display: grid; grid-template-columns: 1fr 1fr; }
    .profile-stat { margin-bottom: 0; }
    .collab-grid { grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 768px) {
    .team-header { grid-template-columns: 1fr; gap: 1.5rem; }
    #team, .profile-section, #collaborators, #ubc-programs-about, #ubc-courses-about, #about-cta { padding: 4rem 1.5rem; }
    #about-hero { padding: 8rem 1.5rem 3.5rem; }
    .courses-about-header { grid-template-columns: 1fr; gap: 1rem; }
    .collaborators-header { flex-direction: column; align-items: start; }
  }
  @media (max-width: 600px) {
    .team-grid { grid-template-columns: 1fr; }
    .profile-sidebar { grid-template-columns: 1fr; }
    .courses-about-grid { grid-template-columns: 1fr; }
    .collab-grid { grid-template-columns: 1fr; }
  }

  .logo-light { display: none; }
  .logo-dark  { display: block; }
  [data-theme="light"] .logo-dark  { display: none; }
  [data-theme="light"] .logo-light { display: block; }

  /* ─── PROGRAMS SUMMARY (about page) ─── */
  #about-programs-summary { padding: 5rem 4rem; background: var(--surface); border-top: 1px solid var(--border); }
  .about-programs-inner { max-width: 1200px; margin: 0 auto; }
  .about-programs-header { display: grid; grid-template-columns: 1fr auto; align-items: end; margin-bottom: 3rem; }
  .about-programs-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
  .about-programs-col-title {
    font-family: var(--font-display); font-size: 0.72rem; font-weight: 700;
    letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted);
    margin-bottom: 1.25rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--border);
  }
  .about-programs-list { list-style: none; display: flex; flex-direction: column; gap: 0; }
  .about-programs-list li {
    font-size: 0.9rem; color: var(--origin-body); line-height: 1.5;
    padding: 0.7rem 0; border-bottom: 1px solid var(--border);
    padding-left: 1rem; position: relative;
  }
  .about-programs-list li::before {
    content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%);
    width: 3px; height: 3px; border-radius: 50%; background: var(--gold);
  }
  @media (max-width: 768px) {
    #about-programs-summary { padding: 4rem 1.5rem; }
    .about-programs-header { grid-template-columns: 1fr; gap: 1rem; }
    .about-programs-cols { grid-template-columns: 1fr; gap: 2.5rem; }
  }