/* =========================================================
   APERTURA — Photography Curriculum
   Swiss-style design system
   ========================================================= */

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

:root {
  --bg: #000;
  --bg-soft: #0a0a0a;
  --surface: #111;
  --surface-2: #1a1a1a;
  --surface-3: #222;
  --border: #2a2a2a;
  --border-strong: #3a3a3a;
  --text: #e4e4e7;
  --text-2: #a1a1aa;
  --text-3: #71717a;
  --text-4: #52525b;
  --accent: #ff3b30;
  --accent-2: #d12e26;
  --accent-glow: rgba(255, 59, 48, 0.25);
  --max: 1440px;
  --pad-x: clamp(20px, 4vw, 60px);
  --pad-y: clamp(64px, 8vw, 128px);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; border-color: var(--border); }
*::selection { background: rgba(255, 59, 48, 0.3); color: var(--text); }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  font-feature-settings: 'cv11', 'ss01';
  cursor: default;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

/* Typography scale */
h1, h2, h3, h4, h5, h6 { font-weight: 500; letter-spacing: -0.01em; line-height: 1.1; }
.mono { font-family: var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; font-size: 12px; }
.eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ''; width: 24px; height: 1px; background: var(--accent); }
.gradient-text { background: linear-gradient(135deg, #ff3b30, #ff8a5b); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }

/* Layout */
.container { max-width: var(--max); margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }
.section { padding-top: var(--pad-y); padding-bottom: var(--pad-y); position: relative; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 64px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(36px, 5vw, 64px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; }
.section-head p { color: var(--text-2); max-width: 480px; }
.divider { height: 1px; background: var(--border); width: 100%; }

/* ====== Nav ====== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 32px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 600; font-size: 18px; letter-spacing: -0.01em; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--accent); color: white;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; font-size: 14px;
  box-shadow: 0 0 24px var(--accent-glow);
}
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-text small { font-family: var(--font-mono); font-size: 9px; color: var(--text-3); letter-spacing: 0.18em; margin-top: 2px; text-transform: uppercase; }
.nav-links { display: flex; gap: 4px; }
.nav-link { padding: 10px 16px; font-size: 14px; color: var(--text-2); position: relative; transition: color 0.2s var(--ease); }
.nav-link:hover { color: var(--text); }
.nav-link.active { color: var(--text); }
.nav-link.active::after { content: ''; position: absolute; bottom: 4px; left: 16px; right: 16px; height: 2px; background: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-search { width: 36px; height: 36px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; color: var(--text-2); transition: all 0.2s var(--ease); }
.nav-search:hover { background: var(--surface); color: var(--text); }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 8px; }
.menu-toggle:hover { background: var(--surface); }
@media (max-width: 900px) { .nav-links, .nav-cta .desktop-only { display: none; } .menu-toggle { display: inline-flex; align-items: center; justify-content: center; } }

/* ====== Auth nav slot (Sign in / Register / Profile) ====== */
.auth-nav { display: flex; align-items: center; gap: 8px; }
.nav-pill { display: inline-flex; align-items: center; padding: 7px 14px; border: 1px solid var(--border); border-radius: 999px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text); background: transparent; transition: all 0.2s var(--ease); text-decoration: none; white-space: nowrap; }
.nav-pill:hover { background: var(--surface); border-color: var(--border-strong); }
.nav-pill-muted { color: var(--text-2); }
.nav-pill-muted:hover { color: var(--text); }
.nav-pill-active { background: var(--surface); border-color: var(--border-strong); color: var(--accent); }
@media (max-width: 600px) { .auth-nav { gap: 6px; } .nav-pill { padding: 6px 10px; font-size: 10px; } }

/* ====== Auth pages (login, register) ====== */
.auth-main { min-height: calc(100vh - 200px); display: flex; align-items: center; justify-content: center; padding: 100px 20px 60px; }
.auth-card { width: 100%; max-width: 440px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 40px 32px; }
.auth-card h1 { font-size: 32px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.auth-sub { color: var(--text-2); font-size: 14px; margin-bottom: 24px; }
.auth-card .field { display: block; margin-bottom: 16px; }
.auth-card .field span { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); margin-bottom: 6px; }
.auth-card .field input { width: 100%; padding: 12px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-family: var(--font-sans); font-size: 16px; transition: border-color 0.2s; }
.auth-card .field input:focus { outline: none; border-color: var(--accent); }
.auth-card .field-hint { font-size: 12px; color: var(--text-3); margin-top: -8px; margin-bottom: 16px; }
.auth-card .btn-primary { width: 100%; padding: 14px; font-size: 15px; margin-top: 8px; }
.auth-error { background: rgba(255, 59, 48, 0.1); border: 1px solid var(--accent); color: var(--accent); padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; font-family: var(--font-mono); }
.demo-creds { background: var(--bg); border: 1px dashed var(--border-strong); border-radius: 8px; padding: 14px 16px; margin-bottom: 24px; font-size: 12px; }
.demo-creds p { margin: 4px 0; color: var(--text-2); }
.demo-creds code { background: var(--surface-2); padding: 2px 6px; border-radius: 4px; color: var(--text); font-family: var(--font-mono); }
.auth-foot { text-align: center; margin-top: 20px; font-size: 13px; color: var(--text-2); }
.auth-foot a { color: var(--accent); text-decoration: none; }
.auth-foot a:hover { text-decoration: underline; }
@media (max-width: 480px) { .auth-card { padding: 32px 20px; } }

/* ====== Profile page ====== */
.profile-main { max-width: 1200px; margin: 0 auto; padding: 100px 20px 80px; }
.profile-hero { padding: 32px 0 48px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
.profile-hero h1 { font-size: clamp(32px, 5vw, 48px); font-weight: 700; letter-spacing: -0.02em; margin: 8px 0 4px; }
.profile-email { font-family: var(--font-mono); font-size: 13px; color: var(--text-2); margin-bottom: 24px; }
.profile-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.profile-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-bottom: 48px; }
.profile-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.profile-card h2 { font-size: 18px; margin: 8px 0 16px; }
.profile-stat { display: flex; align-items: baseline; gap: 8px; }
.profile-stat-num { font-size: 48px; font-weight: 800; color: var(--accent); }
.profile-stat-of { font-family: var(--font-mono); font-size: 13px; color: var(--text-2); }
.profile-bar { height: 8px; background: var(--bg); border-radius: 4px; overflow: hidden; margin: 12px 0; }
.profile-bar-fill { height: 100%; background: var(--accent); transition: width 0.4s var(--ease); }
.profile-sub { font-family: var(--font-mono); font-size: 12px; color: var(--text-2); margin-top: 4px; }
.profile-recommend { font-size: 14px; color: var(--text-2); margin: 0 0 16px; line-height: 1.5; }
.profile-levels { list-style: none; padding: 0; margin: 0; }
.profile-levels li { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.profile-levels li:last-child { border-bottom: none; }
.lvl-name { color: var(--text); }
.lvl-count { font-family: var(--font-mono); color: var(--accent); }
.profile-courses h2 { margin: 24px 0 16px; }
.profile-course-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.profile-course { display: block; padding: 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; text-decoration: none; color: var(--text); transition: all 0.2s; }
.profile-course:hover { border-color: var(--accent); transform: translateY(-2px); }
.profile-course h3 { font-size: 16px; margin: 8px 0 4px; }
.profile-course p { font-size: 12px; color: var(--text-2); margin: 0; }
.btn-danger { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn-danger:hover { background: var(--accent); color: white; }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* ====== Admin dashboard ====== */
.admin-main { max-width: 1280px; margin: 0 auto; padding: 100px 20px 80px; }
.admin-hero { padding: 32px 0 48px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
.admin-hero h1 { font-size: clamp(32px, 5vw, 48px); font-weight: 700; letter-spacing: -0.02em; margin: 8px 0 8px; }
.admin-sub { color: var(--text-2); font-size: 15px; }
.admin-section { margin-bottom: 48px; }
.admin-section h2 { font-size: 24px; margin: 16px 0 20px; }
.admin-popular { list-style: none; padding: 0; }
.admin-popular li { padding: 10px 0; border-bottom: 1px solid var(--border); }

/* ====== Hero ====== */
.hero { padding-top: 152px; padding-bottom: var(--pad-y); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px); background-size: 80px 80px; pointer-events: none; mask-image: radial-gradient(ellipse at top, black 30%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse at top, black 30%, transparent 70%); }
.hero-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; position: relative; }
.hero-label { display: inline-flex; align-items: center; gap: 12px; padding: 8px 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-2); text-transform: uppercase; margin-bottom: 28px; }
.hero-label .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); animation: pulse 2s var(--ease) infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.6; transform: scale(0.85); } }
.hero h1 { font-size: clamp(48px, 7vw, 96px); font-weight: 500; letter-spacing: -0.04em; line-height: 0.95; margin-bottom: 28px; }
.hero h1 em { font-style: italic; font-weight: 500; font-family: 'Inter', serif; }
.hero-sub { font-size: clamp(16px, 1.4vw, 19px); color: var(--text-2); max-width: 540px; line-height: 1.55; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 24px; font-size: 14px; font-weight: 500; border-radius: 999px; transition: all 0.2s var(--ease); letter-spacing: -0.005em; white-space: nowrap; }
.btn-primary { background: var(--accent); color: white; box-shadow: 0 4px 24px -4px var(--accent-glow); }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); box-shadow: 0 8px 32px -4px var(--accent-glow); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border-strong); }
.btn-ghost:hover { background: var(--surface); border-color: var(--text-2); }
.btn svg { width: 16px; height: 16px; transition: transform 0.2s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; padding-top: 28px; border-top: 1px solid var(--border); }
.hero-stat { padding: 8px 24px 8px 0; border-right: 1px solid var(--border); }
.hero-stat:last-child { border-right: 0; }
.hero-stat:not(:first-child) { padding-left: 24px; }
.hero-stat .num { font-size: clamp(28px, 3.2vw, 40px); font-weight: 500; letter-spacing: -0.02em; line-height: 1; }
.hero-stat .lbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; margin-top: 8px; }

.hero-visual { position: relative; aspect-ratio: 4/5; border-radius: 24px; overflow: hidden; box-shadow: 0 32px 80px -20px rgba(0,0,0,0.6); border: 1px solid var(--border); }
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6)); }
.hero-tag { position: absolute; top: 20px; right: 20px; z-index: 2; background: rgba(0,0,0,0.7); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); padding: 12px 16px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.1); }
.hero-tag .num { font-size: 32px; font-weight: 500; letter-spacing: -0.02em; line-height: 1; color: white; }
.hero-tag .lbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--text-2); text-transform: uppercase; margin-top: 4px; }
.pro-tip { position: absolute; bottom: 24px; left: 24px; right: 24px; z-index: 2; background: rgba(17,17,17,0.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 16px 20px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.08); display: flex; gap: 14px; align-items: flex-start; }
.pro-tip-icon { width: 32px; height: 32px; flex-shrink: 0; border-radius: 8px; background: var(--accent); display: inline-flex; align-items: center; justify-content: center; }
.pro-tip-icon svg { width: 16px; height: 16px; color: white; }
.pro-tip h4 { font-size: 12px; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 4px; }
.pro-tip p { font-size: 13px; color: var(--text-2); line-height: 1.4; }
@media (max-width: 900px) { .hero-inner { grid-template-columns: 1fr; } }

/* ====== Featured Work ====== */
.featured { background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%); }
.genre-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1100px) { .genre-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .genre-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .genre-grid { grid-template-columns: 1fr; } }
.genre-card { position: relative; aspect-ratio: 4/5; border-radius: 16px; overflow: hidden; cursor: pointer; border: 1px solid var(--border); background: var(--surface); }
.genre-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s var(--ease), filter 0.5s var(--ease); filter: grayscale(20%) brightness(0.85); }
.genre-card:hover img { transform: scale(1.08); filter: grayscale(0) brightness(1); }
.genre-card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(0,0,0,0.85) 100%); }
.genre-card-label { position: absolute; bottom: 0; left: 0; right: 0; padding: 24px; z-index: 2; display: flex; align-items: flex-end; justify-content: space-between; }
.genre-card-label h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.01em; color: white; }
.genre-card-label small { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--text-2); text-transform: uppercase; opacity: 0; transform: translateY(6px); transition: all 0.3s var(--ease); }
.genre-card:hover .genre-card-label small { opacity: 1; transform: translateY(0); }
.genre-card-num { position: absolute; top: 16px; left: 16px; z-index: 2; font-family: var(--font-mono); font-size: 11px; color: var(--text-2); letter-spacing: 0.1em; }
.genre-card-corner { position: absolute; top: 16px; right: 16px; z-index: 2; width: 32px; height: 32px; border-radius: 8px; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); display: inline-flex; align-items: center; justify-content: center; color: white; opacity: 0; transform: translateY(-4px); transition: all 0.3s var(--ease); }
.genre-card:hover .genre-card-corner { opacity: 1; transform: translateY(0); }
.genre-card-corner svg { width: 14px; height: 14px; }

/* ====== Equipment ====== */
.equipment { background: var(--bg-soft); }
.equipment-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.equipment-content h2 { font-size: clamp(36px, 5vw, 56px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; margin: 18px 0 24px; }
.equipment-content p { color: var(--text-2); font-size: 17px; line-height: 1.6; margin-bottom: 36px; max-width: 480px; }
.equipment-list { display: flex; flex-direction: column; gap: 4px; }
.equipment-item { display: flex; align-items: center; gap: 18px; padding: 18px 0; border-top: 1px solid var(--border); }
.equipment-item:last-child { border-bottom: 1px solid var(--border); }
.equipment-item-num { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.1em; width: 32px; }
.equipment-item h4 { font-size: 17px; font-weight: 500; letter-spacing: -0.005em; }
.equipment-item p { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--text-3); text-transform: uppercase; margin: 0; }
.equipment-visual { display: grid; grid-template-columns: 1.4fr 1fr; grid-template-rows: 1fr 1fr; gap: 12px; height: 560px; }
.equipment-visual .ev-1 { grid-row: span 2; }
.equipment-img { position: relative; border-radius: 16px; overflow: hidden; border: 1px solid var(--border); }
.equipment-img img { width: 100%; height: 100%; object-fit: cover; }
.equipment-img-label { position: absolute; top: 16px; left: 16px; z-index: 2; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: white; text-transform: uppercase; background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); padding: 6px 10px; border-radius: 6px; }
@media (max-width: 900px) { .equipment-inner { grid-template-columns: 1fr; gap: 48px; } .equipment-visual { height: 420px; } }

/* ====== Learning Path ====== */
.path-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); margin-bottom: 80px; overflow: hidden; }
.path-stat { padding: 40px 32px; position: relative; }
.path-stat:not(:last-child) { border-right: 1px solid var(--border); }
.path-stat .num { font-size: clamp(48px, 6vw, 80px); font-weight: 500; letter-spacing: -0.04em; line-height: 1; }
.path-stat .num em { font-style: normal; color: var(--accent); }
.path-stat .lbl { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-2); text-transform: uppercase; margin-top: 12px; }
.path-stat p { color: var(--text-2); font-size: 14px; line-height: 1.5; margin-top: 16px; max-width: 280px; }
.path-stat-corner { position: absolute; top: 16px; right: 16px; font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.1em; }
@media (max-width: 768px) { .path-stats { grid-template-columns: 1fr; } .path-stat:not(:last-child) { border-right: 0; border-bottom: 1px solid var(--border); } }

.path-levels { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; position: relative; }
.path-levels::before { content: ''; position: absolute; top: 64px; left: 8%; right: 8%; height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong) 20%, var(--border-strong) 80%, transparent); z-index: 0; }
.path-level { position: relative; padding: 24px; border: 1px solid var(--border); border-radius: 16px; background: var(--bg-soft); z-index: 1; transition: all 0.3s var(--ease); }
.path-level:hover { border-color: var(--accent); transform: translateY(-4px); }
.path-level-num { width: 32px; height: 32px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--border); display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 12px; color: var(--text-2); margin-bottom: 32px; }
.path-level h3 { font-size: 18px; font-weight: 500; margin-bottom: 6px; }
.path-level p { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--text-3); text-transform: uppercase; }
.path-level-bar { height: 4px; background: var(--surface-2); border-radius: 2px; overflow: hidden; margin-top: 16px; }
.path-level-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #ff6b47); border-radius: 2px; }
.path-level.l1 .path-level-bar-fill { width: 25%; }
.path-level.l2 .path-level-bar-fill { width: 50%; }
.path-level.l3 .path-level-bar-fill { width: 75%; }
.path-level.l4 .path-level-bar-fill { width: 100%; }
@media (max-width: 900px) { .path-levels { grid-template-columns: repeat(2, 1fr); } .path-levels::before { display: none; } }
@media (max-width: 480px) { .path-levels { grid-template-columns: 1fr; } }

/* ====== AI Features ====== */
.ai { background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%); }
.ai-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (max-width: 768px) { .ai-grid { grid-template-columns: 1fr; } }
.ai-card { padding: 40px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface); position: relative; overflow: hidden; transition: all 0.3s var(--ease); }
.ai-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0; transition: opacity 0.3s var(--ease); }
.ai-card:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.ai-card:hover::before { opacity: 1; }
.ai-icon { width: 56px; height: 56px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 24px; }
.ai-icon svg { width: 24px; height: 24px; }
.ai-icon.blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.ai-icon.purple { background: rgba(168, 85, 247, 0.1); color: #a855f7; }
.ai-icon.green { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.ai-icon.yellow { background: rgba(234, 179, 8, 0.1); color: #eab308; }
.ai-card h3 { font-size: 24px; font-weight: 500; margin-bottom: 8px; }
.ai-card p { color: var(--text-2); font-size: 15px; line-height: 1.55; margin-bottom: 24px; }
.ai-card-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; font-weight: 500; padding: 8px 0; border-bottom: 1px solid var(--border); transition: all 0.2s var(--ease); }
.ai-card-link:hover { color: var(--accent); border-color: var(--accent); gap: 12px; }

/* ====== Students ====== */
.students-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .students-grid { grid-template-columns: 1fr; } }
.student-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; overflow: hidden; transition: all 0.3s var(--ease); }
.student-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.student-card-img { aspect-ratio: 4/3; overflow: hidden; position: relative; }
.student-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.student-card:hover .student-card-img img { transform: scale(1.05); }
.student-card-body { padding: 28px; }
.student-card-quote { font-size: 16px; line-height: 1.55; color: var(--text); margin-bottom: 24px; }
.student-card-quote::before { content: '"'; color: var(--accent); font-size: 32px; font-weight: 500; line-height: 0; vertical-align: -10px; margin-right: 4px; }
.student-card-author { display: flex; align-items: center; gap: 12px; padding-top: 20px; border-top: 1px solid var(--border); }
.student-card-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--surface-2); display: inline-flex; align-items: center; justify-content: center; font-weight: 600; font-size: 14px; color: var(--accent); }
.student-card-info h4 { font-size: 14px; font-weight: 500; }
.student-card-info p { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--text-3); text-transform: uppercase; margin-top: 2px; }

/* ====== Quick Tips ====== */
.tips { background: var(--bg-soft); }
.tips-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--border); border-radius: 20px; overflow: hidden; }
@media (max-width: 768px) { .tips-grid { grid-template-columns: 1fr; } }
.tip-card { padding: 40px; position: relative; transition: background 0.2s var(--ease); }
.tip-card:not(:last-child) { border-right: 1px solid var(--border); }
.tip-card:hover { background: var(--surface); }
@media (max-width: 768px) { .tip-card:not(:last-child) { border-right: 0; border-bottom: 1px solid var(--border); } }
.tip-card-num { font-family: var(--font-mono); font-size: 11px; color: var(--text-3); letter-spacing: 0.18em; margin-bottom: 32px; display: flex; align-items: center; gap: 12px; }
.tip-card-num::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.tip-card h3 { font-size: 22px; font-weight: 500; margin-bottom: 12px; }
.tip-card p { color: var(--text-2); font-size: 14px; line-height: 1.5; }

/* ====== CTA Banner ====== */
.cta-banner { padding: 120px 0; text-align: center; background: radial-gradient(ellipse at center, rgba(255, 59, 48, 0.08) 0%, transparent 60%); position: relative; overflow: hidden; }
.cta-banner::before, .cta-banner::after { content: ''; position: absolute; left: 50%; transform: translateX(-50%); width: 1px; height: 60px; background: linear-gradient(180deg, transparent, var(--border-strong)); }
.cta-banner::before { top: 0; }
.cta-banner::after { bottom: 0; transform: translateX(-50%) rotate(180deg); }
.cta-banner h2 { font-size: clamp(40px, 6vw, 80px); font-weight: 500; letter-spacing: -0.03em; line-height: 1.05; margin-bottom: 24px; }
.cta-banner p { color: var(--text-2); font-size: 18px; max-width: 600px; margin: 0 auto 40px; line-height: 1.5; }
.cta-banner .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ====== Footer ====== */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
.footer-brand p { color: var(--text-2); font-size: 14px; line-height: 1.6; margin: 16px 0 24px; max-width: 320px; }
.footer h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--text-3); margin-bottom: 20px; font-weight: 500; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer ul a { color: var(--text-2); font-size: 14px; transition: color 0.2s var(--ease); }
.footer ul a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; border-top: 1px solid var(--border); gap: 24px; flex-wrap: wrap; }
.footer-bottom p { color: var(--text-3); font-size: 13px; }
.footer-socials { display: flex; gap: 8px; }
.footer-socials a { width: 36px; height: 36px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border); display: inline-flex; align-items: center; justify-content: center; color: var(--text-2); transition: all 0.2s var(--ease); }
.footer-socials a:hover { color: var(--text); border-color: var(--text-2); }
.footer-socials svg { width: 16px; height: 16px; }

/* ====== Curriculum page ====== */
.page-hero { padding-top: 152px; padding-bottom: 80px; border-bottom: 1px solid var(--border); }
.page-hero .eyebrow { margin-bottom: 24px; }
.page-hero h1 { font-size: clamp(48px, 7vw, 88px); font-weight: 500; letter-spacing: -0.04em; line-height: 0.95; margin-bottom: 24px; }
.page-hero p { color: var(--text-2); font-size: 19px; max-width: 720px; line-height: 1.55; }
.curr-stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-bottom: 1px solid var(--border); }
.curr-stat-strip > div { padding: 32px 0; }
.curr-stat-strip > div:not(:last-child) { border-right: 1px solid var(--border); padding-right: 24px; }
.curr-stat-strip > div:not(:first-child) { padding-left: 24px; }
.curr-stat-strip .num { font-size: 40px; font-weight: 500; letter-spacing: -0.02em; line-height: 1; }
.curr-stat-strip .lbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; margin-top: 8px; }
@media (max-width: 768px) { .curr-stat-strip { grid-template-columns: repeat(2, 1fr); } .curr-stat-strip > div:not(:last-child) { border-right: 0; } }

.level-block { padding: 80px 0; border-bottom: 1px solid var(--border); }
.level-block:last-of-type { border-bottom: 0; }
.level-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: start; }
@media (max-width: 900px) { .level-grid { grid-template-columns: 1fr; gap: 40px; } }
.level-num { font-family: var(--font-mono); font-size: 14px; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 16px; }
.level-meta { display: flex; gap: 20px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }
.level-meta div { display: flex; flex-direction: column; gap: 4px; }
.level-meta .k { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; }
.level-meta .v { font-size: 14px; color: var(--text); }
.level-content h2 { font-size: clamp(32px, 4.5vw, 48px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.05; margin-bottom: 8px; }
.level-content h3 { font-size: 16px; font-weight: 400; color: var(--text-2); margin-bottom: 20px; }
.level-content p { color: var(--text-2); font-size: 16px; line-height: 1.6; margin-bottom: 32px; }
.lesson-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
@media (max-width: 600px) { .lesson-list { grid-template-columns: 1fr; } }
.lesson-list li { display: flex; align-items: center; gap: 14px; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.lesson-list li:nth-child(odd) { border-right: 1px solid var(--border); }
.lesson-list li:nth-last-child(-n+2) { border-bottom: 0; }
@media (max-width: 600px) { .lesson-list li:nth-child(odd) { border-right: 0; } .lesson-list li:last-child { border-bottom: 0; } }
.lesson-list .ll-num { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.1em; }
.lesson-list .ll-name { font-size: 14px; }

/* ====== History page ====== */
.timeline { position: relative; padding-left: 0; }
.timeline-item { display: grid; grid-template-columns: 140px 1fr; gap: 40px; padding: 32px 0; border-top: 1px solid var(--border); position: relative; }
.timeline-item:last-child { border-bottom: 1px solid var(--border); }
.timeline-item .ti-year { font-family: var(--font-mono); font-size: 14px; color: var(--accent); letter-spacing: 0.1em; padding-top: 4px; }
.timeline-item h3 { font-size: 22px; font-weight: 500; margin-bottom: 8px; }
.timeline-item p { color: var(--text-2); font-size: 15px; line-height: 1.6; max-width: 720px; }
@media (max-width: 600px) { .timeline-item { grid-template-columns: 1fr; gap: 12px; } }

.photographers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px) { .photographers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .photographers-grid { grid-template-columns: 1fr; } }
.photographer-card { padding: 32px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); transition: all 0.3s var(--ease); }
.photographer-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.photographer-card .pc-avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--surface-2); border: 1px solid var(--border); display: inline-flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 500; color: var(--accent); margin-bottom: 24px; }
.photographer-card h3 { font-size: 18px; font-weight: 500; margin-bottom: 4px; }
.photographer-card .pc-years { font-family: var(--font-mono); font-size: 10px; color: var(--text-3); letter-spacing: 0.12em; margin-bottom: 16px; }
.photographer-card p { color: var(--text-2); font-size: 14px; line-height: 1.55; }

.movement { padding: 60px 0; border-top: 1px solid var(--border); }
.movement-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
.movement-grid.reverse { grid-template-columns: 1.4fr 1fr; }
.movement-grid.reverse > div:first-child { order: 2; }
@media (max-width: 900px) { .movement-grid, .movement-grid.reverse { grid-template-columns: 1fr; gap: 32px; } .movement-grid.reverse > div:first-child { order: 0; } }
.movement-year { font-family: var(--font-mono); font-size: 12px; color: var(--accent); letter-spacing: 0.18em; margin-bottom: 8px; }
.movement h3 { font-size: clamp(28px, 3.5vw, 40px); font-weight: 500; letter-spacing: -0.02em; margin-bottom: 16px; }
.movement p { color: var(--text-2); font-size: 16px; line-height: 1.6; margin-bottom: 16px; }
.movement-img { aspect-ratio: 4/3; border-radius: 16px; overflow: hidden; border: 1px solid var(--border); }
.movement-img img { width: 100%; height: 100%; object-fit: cover; }

/* ====== Animations ====== *//* ====== Animations ====== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ====== Scrollbar ====== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--surface-3); }

/* ======================================================
   LESSON ACCORDION + YOUTUBE EMBED + PROGRESS
   ====================================================== */

.overall-progress {
  position: sticky; top: 72px; z-index: 30;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 24px;
  margin-bottom: 32px;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
}
.op-info { flex: 1; min-width: 240px; }
.op-info h3 { font-size: 14px; font-weight: 500; color: var(--text-2); margin-bottom: 8px; }
.op-info p { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; }
.op-info strong { color: var(--accent); }
.op-bar { flex: 0 0 100%; max-width: 100%; height: 4px; background: var(--surface-2); border-radius: 2px; overflow: hidden; }
.op-bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #ff6b47); border-radius: 2px; transition: width 0.6s var(--ease); width: 0; }
.op-actions { display: flex; gap: 8px; }
.op-btn { padding: 8px 14px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border); color: var(--text-2); font-size: 12px; font-family: var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; transition: all 0.2s var(--ease); cursor: pointer; }
.op-btn:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }

/* Level section header with progress */
.level-progress {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; margin-bottom: 32px; flex-wrap: wrap;
}
.lp-stat { display: flex; align-items: baseline; gap: 8px; }
.lp-stat .num { font-size: 32px; font-weight: 500; letter-spacing: -0.02em; line-height: 1; }
.lp-stat .total { font-size: 14px; color: var(--text-3); }
.lp-bar { flex: 1; min-width: 200px; height: 3px; background: var(--surface-2); border-radius: 2px; overflow: hidden; }
.lp-bar-fill { height: 100%; background: var(--accent); width: 0; transition: width 0.6s var(--ease); }
.lp-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; }

/* Lesson list */
.lessons-list { display: flex; flex-direction: column; gap: 8px; }

/* Lesson card (collapsed) */
.lesson-card { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); overflow: hidden; transition: all 0.3s var(--ease); }
.lesson-card:hover { border-color: var(--border-strong); }
.lesson-card.is-open { border-color: var(--accent); background: var(--surface-2); }
.lesson-card.is-complete .lesson-num { background: var(--accent); color: white; border-color: var(--accent); }
.lesson-card.is-complete .lesson-title { color: var(--text-3); }
.lesson-card.is-complete .lesson-title::after { content: '✓'; margin-left: 12px; color: var(--accent); }

.lesson-header { display: flex; align-items: center; gap: 16px; padding: 18px 22px; cursor: pointer; user-select: none; }
.lesson-num { flex-shrink: 0; width: 56px; height: 56px; border-radius: 12px; background: var(--surface-2); border: 1px solid var(--border); display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 12px; color: var(--text-2); font-weight: 500; letter-spacing: 0.05em; transition: all 0.3s var(--ease); }
.lesson-info { flex: 1; min-width: 0; }
.lesson-info-row1 { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.lesson-title { font-size: 18px; font-weight: 500; letter-spacing: -0.01em; }
.lesson-meta { display: flex; align-items: center; gap: 14px; margin-top: 6px; flex-wrap: wrap; }
.lesson-meta-item { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.15em; color: var(--text-3); text-transform: uppercase; display: flex; align-items: center; gap: 6px; }
.lesson-meta-item svg { width: 11px; height: 11px; opacity: 0.6; }

.lesson-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.lesson-complete-btn { width: 32px; height: 32px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s var(--ease); color: var(--text-3); }
.lesson-complete-btn:hover { border-color: var(--accent); color: var(--accent); }
.lesson-complete-btn.checked { background: var(--accent); border-color: var(--accent); color: white; }
.lesson-complete-btn svg { width: 14px; height: 14px; }
.lesson-expand { width: 32px; height: 32px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; color: var(--text-2); transition: all 0.2s var(--ease); }
.lesson-card.is-open .lesson-expand { color: var(--accent); transform: rotate(180deg); }
.lesson-expand svg { width: 18px; height: 18px; transition: transform 0.3s var(--ease); }

@media (max-width: 640px) {
  .lesson-header { flex-wrap: wrap; padding: 14px 16px; gap: 12px; }
  .lesson-num { width: 44px; height: 44px; font-size: 11px; }
  .lesson-actions { width: 100%; justify-content: space-between; padding-top: 8px; border-top: 1px solid var(--border); }
  .lesson-title { font-size: 16px; }
}

/* Lesson body (expanded) */
.lesson-body { display: grid; grid-template-columns: 1.2fr 1fr; gap: 0; max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.5s var(--ease), opacity 0.4s var(--ease); }
.lesson-card.is-open .lesson-body { max-height: 2000px; opacity: 1; }
@media (max-width: 900px) { .lesson-body { grid-template-columns: 1fr; } }

/* Video player */
.lesson-video { background: black; border-top: 1px solid var(--border); aspect-ratio: 16/9; position: relative; }
@media (min-width: 901px) { .lesson-video { border-top: 0; border-right: 1px solid var(--border); aspect-ratio: auto; min-height: 380px; } }
.video-thumb { position: absolute; inset: 0; background: #000; cursor: pointer; overflow: hidden; }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; transition: opacity 0.3s var(--ease); }
.video-thumb:hover img { opacity: 1; }
.video-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 72px; height: 72px; border-radius: 50%; background: var(--accent); display: inline-flex; align-items: center; justify-content: center; box-shadow: 0 0 0 8px rgba(255, 59, 48, 0.2); transition: all 0.3s var(--ease); z-index: 2; }
.video-thumb:hover .video-play { transform: translate(-50%, -50%) scale(1.1); box-shadow: 0 0 0 12px rgba(255, 59, 48, 0.25); }
.video-play svg { width: 28px; height: 28px; color: white; margin-left: 4px; }
.video-credit { position: absolute; bottom: 16px; right: 16px; z-index: 2; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; color: var(--text-2); text-transform: uppercase; background: rgba(0, 0, 0, 0.7); backdrop-filter: blur(8px); padding: 6px 10px; border-radius: 6px; }
.video-credit a { color: var(--text); border-bottom: 1px solid var(--accent); }
.lesson-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Lesson content */
.lesson-content { padding: 32px 36px; overflow-y: auto; max-height: 600px; }
.lesson-content h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--accent); text-transform: uppercase; margin: 0 0 16px; font-weight: 500; display: flex; align-items: center; gap: 10px; }
.lesson-content h4::before { content: ''; width: 24px; height: 1px; background: var(--accent); }
.lesson-content h4:not(:first-child) { margin-top: 32px; }
.lesson-content ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.lesson-content li { font-size: 14px; color: var(--text); line-height: 1.55; padding-left: 24px; position: relative; }
.lesson-content li::before { content: ''; position: absolute; left: 0; top: 9px; width: 12px; height: 1px; background: var(--accent); }
.lesson-content p { font-size: 14px; color: var(--text-2); line-height: 1.65; }
.lesson-content .concepts { color: var(--text); font-size: 14px; }
.lesson-content .concepts strong { color: var(--text-2); font-weight: 500; }
@media (max-width: 640px) { .lesson-content { padding: 24px 20px; } }

/* Updated lesson block layout */
.level-block .level-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: start; }
@media (max-width: 900px) { .level-block .level-grid { grid-template-columns: 1fr; gap: 32px; } }
.level-block .level-sidebar { position: sticky; top: 160px; }
@media (max-width: 900px) { .level-block .level-sidebar { position: static; } }

/* Photographers strip on curriculum page */
.photographers-strip { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 24px; }
.photographer-chip { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: 12px; color: var(--text-2); transition: all 0.2s var(--ease); }
.photographer-chip-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* Tabs to switch between levels */
.level-tabs { display: flex; gap: 4px; margin-bottom: 32px; border-bottom: 1px solid var(--border); overflow-x: auto; scrollbar-width: none; }
.level-tabs::-webkit-scrollbar { display: none; }
.level-tab { padding: 14px 20px; font-size: 14px; color: var(--text-3); position: relative; white-space: nowrap; transition: color 0.2s var(--ease); cursor: pointer; background: none; border: 0; font-family: inherit; }
.level-tab:hover { color: var(--text-2); }
.level-tab.active { color: var(--text); }
.level-tab.active::after { content: ''; position: absolute; bottom: -1px; left: 16px; right: 16px; height: 2px; background: var(--accent); }
.level-tab .tab-count { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; margin-left: 6px; color: var(--text-4); }


/* ======================================================
   RESOURCES PAGE — TOC, PROJECTS, COMPARE, TIPS
   ====================================================== */

/* TOC cards */
.toc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .toc-grid { grid-template-columns: 1fr; } }
.toc-card { display: flex; flex-direction: column; gap: 12px; padding: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; position: relative; transition: all 0.3s var(--ease); cursor: pointer; }
.toc-card:hover { border-color: var(--accent); transform: translateY(-4px); background: var(--surface-2); }
.toc-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--accent); text-transform: uppercase; }
.toc-card h3 { font-size: 24px; font-weight: 500; letter-spacing: -0.01em; }
.toc-card p { color: var(--text-2); font-size: 14px; line-height: 1.55; }
.toc-arrow { position: absolute; top: 32px; right: 32px; font-size: 18px; color: var(--text-3); transition: all 0.3s var(--ease); }
.toc-card:hover .toc-arrow { color: var(--accent); transform: translateX(4px); }

/* Project filters */
.proj-filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 40px; padding: 20px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; align-items: center; }
.filter-group { display: flex; gap: 4px; flex-wrap: wrap; }
.filter-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; margin-right: 12px; align-self: center; }
.filter-pill { padding: 8px 14px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--border); color: var(--text-2); font-size: 12px; cursor: pointer; transition: all 0.2s var(--ease); white-space: nowrap; font-family: inherit; }
.filter-pill:hover { color: var(--text); border-color: var(--border-strong); }
.filter-pill.active { background: var(--accent); border-color: var(--accent); color: white; }
.filter-divider { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }
@media (max-width: 768px) { .proj-filters { flex-direction: column; align-items: stretch; } .filter-divider { display: none; } }

/* Project grid */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 1100px) { .proj-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .proj-grid { grid-template-columns: 1fr; } }
.proj-card { padding: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; display: flex; flex-direction: column; gap: 14px; transition: all 0.3s var(--ease); position: relative; overflow: hidden; }
.proj-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.proj-card-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.proj-emoji { font-size: 28px; line-height: 1; }
.proj-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
.proj-badge { padding: 4px 10px; border-radius: 999px; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.15em; text-transform: uppercase; font-weight: 500; }
.badge-beginner { background: rgba(34, 197, 94, 0.15); color: #22c55e; }
.badge-intermediate { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.badge-advanced { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.badge-professional { background: rgba(255, 59, 48, 0.15); color: #ff3b30; }
.badge-genre { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.proj-title { font-size: 19px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.2; }
.proj-duration { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--accent); text-transform: uppercase; }
.proj-desc { color: var(--text-2); font-size: 14px; line-height: 1.55; }
.proj-concepts { list-style: none; display: flex; flex-direction: column; gap: 6px; padding-top: 8px; border-top: 1px solid var(--border); margin-top: auto; }
.proj-concepts li { font-size: 13px; color: var(--text-3); line-height: 1.5; padding-left: 16px; position: relative; }
.proj-concepts li::before { content: '→'; position: absolute; left: 0; color: var(--accent); font-size: 11px; }
.proj-deliverable { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--text-3); text-transform: uppercase; padding-top: 12px; border-top: 1px solid var(--border); }
.proj-deliverable strong { color: var(--text-2); font-weight: 500; }
.proj-tip { background: rgba(255, 59, 48, 0.05); border-left: 2px solid var(--accent); padding: 10px 14px; border-radius: 0 8px 8px 0; font-size: 13px; color: var(--text); line-height: 1.5; font-style: italic; }
.proj-tip::before { content: 'PRO TIP'; display: block; font-style: normal; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.18em; color: var(--accent); margin-bottom: 4px; }

.proj-empty { text-align: center; padding: 80px 20px; color: var(--text-3); font-style: italic; }

/* Compare section */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 60px; }
@media (max-width: 900px) { .compare-grid { grid-template-columns: 1fr; } }
.compare-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 40px; position: relative; overflow: hidden; }
.compare-card.phone { border-top: 3px solid #3b82f6; }
.compare-card.pro { border-top: 3px solid var(--accent); }
.compare-card h3 { font-size: 28px; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 4px; }
.compare-card .compare-sub { color: var(--text-2); font-size: 14px; margin-bottom: 32px; }
.compare-section { margin-bottom: 28px; }
.compare-section-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--accent); text-transform: uppercase; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.compare-card.phone .compare-section-title { color: #3b82f6; }
.compare-section.cons .compare-section-title { color: var(--text-3); }
.compare-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.compare-list li { padding-left: 22px; position: relative; }
.compare-list li::before { content: '+'; position: absolute; left: 0; top: 0; color: #22c55e; font-weight: 700; font-size: 16px; }
.compare-section.cons .compare-list li::before { content: '−'; color: #ef4444; }
.compare-list strong { display: block; font-size: 14px; font-weight: 500; color: var(--text); margin-bottom: 4px; }
.compare-list span { font-size: 13px; color: var(--text-2); line-height: 1.5; }

.compare-bestfor { background: var(--bg-soft); border-radius: 12px; padding: 20px; margin-top: 8px; }
.compare-bestfor-title { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; margin-bottom: 10px; }
.compare-bestfor ul { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; }
.compare-bestfor li { padding: 5px 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; font-size: 12px; color: var(--text-2); }

/* Sensor visualization */
.sensor-compare { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 20px; padding: 40px; margin-bottom: 60px; }
.sensor-compare h3 { font-size: 24px; font-weight: 500; margin-bottom: 8px; }
.sensor-compare .lead { color: var(--text-2); font-size: 15px; max-width: 720px; line-height: 1.55; margin-bottom: 32px; }
.sensor-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; margin-bottom: 24px; }
@media (max-width: 700px) { .sensor-visual { grid-template-columns: 1fr; } }
.sensor-block { text-align: center; }
.sensor-svg { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 32px; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; }
.sensor-block h4 { font-size: 16px; font-weight: 500; margin-bottom: 4px; }
.sensor-block .sensor-stat { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--text-3); text-transform: uppercase; }
.sensor-block strong { color: var(--accent); font-size: 24px; font-weight: 500; letter-spacing: -0.02em; }
.sensor-block.phone strong { color: #3b82f6; }
.sensor-fact { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; margin-top: 16px; font-size: 14px; line-height: 1.55; color: var(--text-2); }
.sensor-fact strong { color: var(--accent); }

/* Decision guide */
.decision-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 60px; }
@media (max-width: 700px) { .decision-grid { grid-template-columns: 1fr; } }
.decision-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px; }
.decision-scenario { font-size: 16px; font-weight: 500; margin-bottom: 14px; }
.decision-pick { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; margin-bottom: 12px; }
.decision-pick.phone { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.decision-pick.pro { background: rgba(255, 59, 48, 0.15); color: #ff3b30; }
.decision-why { font-size: 14px; color: var(--text-2); line-height: 1.55; }

/* Myths */
.myths-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .myths-grid { grid-template-columns: 1fr; } }
.myth-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 28px; }
.myth-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: #ef4444; text-transform: uppercase; margin-bottom: 8px; display: block; }
.myth-text { font-size: 16px; font-weight: 500; color: var(--text); line-height: 1.4; margin-bottom: 14px; text-decoration: line-through; text-decoration-color: rgba(239, 68, 68, 0.4); }
.truth-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: #22c55e; text-transform: uppercase; margin-bottom: 8px; display: block; }
.truth-text { font-size: 14px; color: var(--text-2); line-height: 1.6; }

/* Tips */
.tips-tabs { display: flex; gap: 4px; margin-bottom: 40px; border-bottom: 1px solid var(--border); overflow-x: auto; scrollbar-width: none; }
.tips-tabs::-webkit-scrollbar { display: none; }
.tips-tab { padding: 14px 20px; font-size: 14px; color: var(--text-3); position: relative; white-space: nowrap; transition: color 0.2s var(--ease); cursor: pointer; background: none; border: 0; font-family: inherit; display: inline-flex; align-items: center; gap: 8px; }
.tips-tab:hover { color: var(--text-2); }
.tips-tab.active { color: var(--text); }
.tips-tab.active::after { content: ''; position: absolute; bottom: -1px; left: 16px; right: 16px; height: 2px; background: var(--accent); }
.tips-tab-icon { font-size: 16px; }

.tips-category-desc { color: var(--text-2); font-size: 15px; max-width: 720px; line-height: 1.55; margin-bottom: 32px; padding: 16px 20px; background: var(--surface); border-left: 3px solid var(--accent); border-radius: 0 12px 12px 0; }
.tips-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .tips-grid-2 { grid-template-columns: 1fr; } }
.tip-block { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 24px; transition: all 0.2s var(--ease); }
.tip-block:hover { border-color: var(--border-strong); }
.tip-block h4 { font-size: 15px; font-weight: 500; letter-spacing: -0.005em; margin-bottom: 10px; color: var(--text); }
.tip-block p { font-size: 14px; color: var(--text-2); line-height: 1.6; }
.tip-block strong { color: var(--accent); font-weight: 500; }


/* ======================================================
   MOBILE UX — Bottom nav, drawer menu, PWA, accessibility
   ====================================================== */

/* Hide bottom nav on desktop, show on mobile */
.bottom-nav { display: none; }
@media (max-width: 900px) {
  body { padding-bottom: 72px; }
  .bottom-nav {
    display: flex;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 90;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    padding: 6px 4px calc(env(safe-area-inset-bottom, 0px) + 6px) 4px;
    justify-content: space-around;
  }
}
.bn-item { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 6px 4px; min-width: 56px; color: var(--text-3); text-decoration: none; transition: color 0.2s var(--ease); position: relative; }
.bn-item.active { color: var(--accent); }
.bn-icon { width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; }
.bn-icon svg { width: 22px; height: 22px; }
.bn-label { font-size: 10px; letter-spacing: 0.02em; font-weight: 500; }
.bn-item.active::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 20px; height: 2px; background: var(--accent); border-radius: 1px; }

/* Drawer menu */
.drawer-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s var(--ease);
  display: flex; justify-content: flex-start;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.drawer {
  width: min(320px, 85vw); height: 100%;
  background: var(--bg-soft);
  border-right: 1px solid var(--border);
  transform: translateX(-100%);
  transition: transform 0.35s var(--ease);
  display: flex; flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.drawer-overlay.open .drawer { transform: translateX(0); }
.drawer-header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid var(--border); }
.drawer-close { width: 40px; height: 40px; border-radius: 8px; display: inline-flex; align-items: center; justify-content: center; color: var(--text-2); transition: all 0.2s var(--ease); }
.drawer-close:hover { background: var(--surface); color: var(--text); }
.drawer-nav { display: flex; flex-direction: column; padding: 16px 0; flex: 1; }
.drawer-link { display: block; padding: 16px 24px; color: var(--text); font-size: 16px; font-weight: 500; text-decoration: none; border-left: 3px solid transparent; transition: all 0.2s var(--ease); }
.drawer-link:hover, .drawer-link.active { background: var(--surface); border-left-color: var(--accent); }
.drawer-footer { padding: 20px 24px; border-top: 1px solid var(--border); }

/* Mobile typography — improve readability on small screens */
@media (max-width: 768px) {
  h1 { font-size: clamp(36px, 8vw, 56px) !important; }
  h2 { font-size: clamp(28px, 6vw, 40px) !important; }
  .hero { padding-top: 110px !important; }
  .page-hero { padding-top: 110px !important; }
  .section { padding-top: 60px !important; padding-bottom: 60px !important; }
  .container { padding-left: 20px !important; padding-right: 20px !important; }
  .stat-strip, .path-stats, .curr-stat-strip, .tips-grid { grid-template-columns: 1fr !important; }
  .stat-strip > div, .path-stat, .curr-stat-strip > div { padding: 24px 20px !important; border-right: 0 !important; border-bottom: 1px solid var(--border) !important; }
  .stat-strip > div:last-child, .path-stat:last-child, .curr-stat-strip > div:last-child { border-bottom: 0 !important; }
  .level-block .level-grid { grid-template-columns: 1fr !important; gap: 32px !important; }
  .equipment-inner { grid-template-columns: 1fr !important; gap: 40px !important; }
  .equipment-visual { height: 360px !important; }
  .footer-grid { grid-template-columns: 1fr 1fr !important; gap: 32px !important; }
  .footer-brand { grid-column: 1 / -1 !important; }
  .toc-grid, .compare-grid, .decision-grid, .myths-grid, .pros-cons, .ai-grid { grid-template-columns: 1fr !important; }
  .timeline-item { grid-template-columns: 1fr !important; gap: 8px !important; }
  .photographers-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .genre-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .hero-tag { font-size: 22px !important; }
  .hero-tag .num { font-size: 24px !important; }
  .section-head h2 { font-size: 32px !important; }
  .section-head p { font-size: 15px !important; }
  .lesson-content { padding: 24px 20px !important; }
  .lesson-num { width: 44px !important; height: 44px !important; font-size: 11px !important; }
  .lesson-title { font-size: 16px !important; }
  .proj-grid, .tips-grid-2 { grid-template-columns: 1fr !important; }
  .proj-card { padding: 24px 20px !important; }
  .compare-card { padding: 28px 24px !important; }
  .ai-card { padding: 28px 24px !important; }
  .toc-card { padding: 24px 20px !important; }
  .cta-banner h2 { font-size: 32px !important; }
  .cta-banner p { font-size: 15px !important; }
  .students-grid, .path-levels { grid-template-columns: 1fr !important; }
  .path-levels::before { display: none !important; }
  .student-card-body { padding: 24px 20px !important; }
  .filter-pill { font-size: 11px !important; padding: 6px 10px !important; }
  .level-num { font-size: 12px !important; }
}

/* Accessibility — focus rings, skip link */
.skip-link {
  position: absolute; top: -100px; left: 0; z-index: 9999;
  background: var(--accent); color: white; padding: 12px 20px;
  font-weight: 500; text-decoration: none; border-radius: 0 0 8px 0;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 0; outline: 2px solid white; outline-offset: 2px; }

/* Focus visible improvements */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Mobile touch improvements */
@media (max-width: 900px) {
  .btn, button, a { -webkit-tap-highlight-color: rgba(255, 59, 48, 0.2); }
  .nav-link, .drawer-link, .bn-item { touch-action: manipulation; }
  input, select, textarea { font-size: 16px; } /* Prevents iOS zoom on focus */
}

/* Improved scrollbar on mobile */
@media (max-width: 900px) {
  ::-webkit-scrollbar { width: 0; height: 0; }
  html { scrollbar-width: none; }
}

/* Better animation performance on mobile */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}


/* ======================================================
   ASSESSMENT QUIZ
   ====================================================== */
.quiz-intro { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 48px 40px; text-align: center; }
.quiz-meta { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; margin-top: 32px; }
.quiz-meta-item { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: var(--text-2); text-transform: uppercase; }
.quiz-meta-item svg { width: 16px; height: 16px; color: var(--accent); }

.quiz-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 40px; transition: opacity 0.2s var(--ease), transform 0.2s var(--ease); }
.quiz-progress { margin-bottom: 32px; }
.quiz-progress-text { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; margin-bottom: 10px; }
.quiz-progress-bar { height: 4px; background: var(--surface-2); border-radius: 2px; overflow: hidden; }
.quiz-progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #ff6b47); border-radius: 2px; transition: width 0.4s var(--ease); }
.quiz-question { font-size: clamp(22px, 3vw, 28px); font-weight: 500; line-height: 1.3; margin-bottom: 32px; letter-spacing: -0.01em; }
.quiz-options { display: flex; flex-direction: column; gap: 12px; }
.quiz-option { display: flex; align-items: center; gap: 16px; padding: 18px 20px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; color: var(--text); text-align: left; transition: all 0.2s var(--ease); cursor: pointer; font-family: inherit; font-size: 15px; }
.quiz-option:hover { border-color: var(--accent); background: var(--surface-2); transform: translateX(2px); }
.quiz-option:active { transform: translateX(0); }
.quiz-option-letter { flex-shrink: 0; width: 32px; height: 32px; border-radius: 8px; background: var(--surface-2); border: 1px solid var(--border); display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--text-2); }
.quiz-option:hover .quiz-option-letter { background: var(--accent); color: white; border-color: var(--accent); }
.quiz-option-label { line-height: 1.4; }

.quiz-result { display: flex; flex-direction: column; gap: 40px; }
.result-tier { background: linear-gradient(135deg, var(--surface), var(--surface-2)); border: 1px solid var(--tier-color, var(--border)); border-radius: 20px; padding: 40px; position: relative; overflow: hidden; }
.result-tier::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--tier-color, var(--accent)); }
.result-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--tier-color, var(--accent)); text-transform: uppercase; margin-bottom: 12px; }
.result-title { font-size: clamp(28px, 4vw, 40px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 16px; }
.result-summary { color: var(--text); font-size: 17px; line-height: 1.6; }
.result-section-title { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.result-lessons { display: flex; flex-direction: column; gap: 8px; }
.result-lesson { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; text-decoration: none; color: inherit; transition: all 0.2s var(--ease); }
.result-lesson:hover { border-color: var(--accent); transform: translateX(2px); }
.result-lesson-num { flex-shrink: 0; width: 48px; height: 48px; border-radius: 10px; background: var(--bg-soft); border: 1px solid var(--border); display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--text-2); }
.result-lesson:hover .result-lesson-num { background: var(--accent); color: white; border-color: var(--accent); }
.result-lesson-title { font-size: 15px; font-weight: 500; margin-bottom: 2px; }
.result-lesson-desc { font-size: 13px; color: var(--text-2); }
.result-projects { display: flex; flex-wrap: wrap; gap: 8px; }
.result-project-chip { padding: 8px 14px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: 13px; color: var(--text-2); }
.result-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 16px; }

@media (max-width: 640px) {
  .quiz-intro, .quiz-card, .result-tier { padding: 28px 20px; }
  .quiz-question { font-size: 20px; }
  .quiz-option { padding: 14px 16px; font-size: 14px; }
  .quiz-option-letter { width: 28px; height: 28px; font-size: 12px; }
  .quiz-meta { gap: 16px; }
  .result-actions { flex-direction: column; }
  .result-actions .btn { width: 100%; justify-content: center; }
}

/* ======================================================
   GLOSSARY
   ====================================================== */
.glossary-search { width: 100%; padding: 16px 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; color: var(--text); font-size: 16px; font-family: inherit; margin-bottom: 32px; transition: border-color 0.2s var(--ease); }
.glossary-search:focus { outline: none; border-color: var(--accent); }
.glossary-search::placeholder { color: var(--text-3); }
.glossary-filters { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 32px; }
.glossary-letter-group { margin-bottom: 40px; }
.glossary-letter { font-size: 48px; font-weight: 500; color: var(--accent); line-height: 1; margin-bottom: 16px; font-family: var(--font-mono); letter-spacing: -0.02em; }
.glossary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 768px) { .glossary-grid { grid-template-columns: 1fr; } }
.glossary-term { padding: 20px 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; transition: all 0.2s var(--ease); }
.glossary-term:hover { border-color: var(--border-strong); }
.glossary-term h3 { font-size: 17px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.glossary-term p { font-size: 14px; color: var(--text-2); line-height: 1.6; }
.glossary-term .term-cat { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.15em; color: var(--accent); text-transform: uppercase; margin-top: 8px; display: inline-block; }
.glossary-empty { text-align: center; padding: 60px 20px; color: var(--text-3); font-style: italic; }

/* ======================================================
   CAREERS
   ====================================================== */
.careers-hero { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 60px 40px; text-align: center; margin-bottom: 60px; }
@media (max-width: 768px) { .careers-hero { padding: 40px 24px; } }
.careers-tree { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 1000px) { .careers-tree { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .careers-tree { grid-template-columns: 1fr; } }
.career-card { padding: 32px 28px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; transition: all 0.3s var(--ease); position: relative; overflow: hidden; }
.career-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 0.3s var(--ease); }
.career-card:hover { border-color: var(--border-strong); transform: translateY(-4px); }
.career-card:hover::before { transform: scaleX(1); }
.career-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--bg-soft); border: 1px solid var(--border); display: inline-flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--accent); }
.career-icon svg { width: 22px; height: 22px; }
.career-card h3 { font-size: 20px; font-weight: 500; margin-bottom: 8px; }
.career-tagline { font-size: 14px; color: var(--text-2); line-height: 1.5; margin-bottom: 20px; }
.career-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding-top: 16px; border-top: 1px solid var(--border); margin-bottom: 16px; }
.career-meta-item { font-size: 12px; }
.career-meta-k { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.15em; color: var(--text-3); text-transform: uppercase; margin-bottom: 2px; }
.career-meta-v { color: var(--text); }
.career-skills { display: flex; flex-wrap: wrap; gap: 4px; }
.career-skill { font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.1em; padding: 4px 8px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 4px; color: var(--text-2); text-transform: uppercase; }

/* ======================================================
   ABOUT
   ====================================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-bottom: 80px; }
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } }
.about-grid h2 { font-size: clamp(32px, 4vw, 48px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; margin: 16px 0 24px; }
.about-grid p { color: var(--text-2); font-size: 17px; line-height: 1.65; margin-bottom: 16px; }
.about-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.about-stat { padding: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.about-stat .num { font-size: 32px; font-weight: 500; letter-spacing: -0.02em; line-height: 1; color: var(--accent); }
.about-stat .lbl { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.15em; color: var(--text-3); text-transform: uppercase; margin-top: 8px; }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .values-grid { grid-template-columns: 1fr; } }
.value-card { padding: 32px; background: var(--surface); border: 1px solid var(--border); border-radius: 16px; }
.value-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(255, 59, 48, 0.1); display: inline-flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 20px; }
.value-icon svg { width: 22px; height: 22px; }
.value-card h3 { font-size: 20px; font-weight: 500; margin-bottom: 8px; }
.value-card p { color: var(--text-2); font-size: 14px; line-height: 1.6; }

.timeline-section { margin-top: 80px; }
.timeline-section h2 { font-size: clamp(32px, 4vw, 44px); font-weight: 500; letter-spacing: -0.02em; margin-bottom: 48px; }