:root {
  --green-950: #052e16;
  --green-900: #14532d;
  --green-800: #166534;
  --green-700: #15803d;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-300: #86efac;
  --green-200: #bbf7d0;
  --green-100: #dcfce7;
  --green-50: #f0fdf4;
  --navy: #0f172a;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  --white: #ffffff;
  --warning: #f59e0b;
  --danger: #dc2626;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.14);
  --container: 1180px;
  --header-height: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--slate-800);
  background: var(--white);
  font-family: "Manrope", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
svg { display: block; }

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10000;
  padding: 10px 14px;
  background: var(--navy);
  color: white;
  border-radius: 8px;
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 88px 0; }
.section-tight { padding: 56px 0; }
.section-soft { background: var(--slate-50); }
.section-green { background: var(--green-50); }
.page-shell { min-height: 62vh; }
.page-hero { padding: 62px 0 44px; background: linear-gradient(180deg, var(--green-50), #fff); border-bottom: 1px solid var(--slate-200); }
.page-hero.compact { padding: 44px 0 34px; }
.page-hero h1 { max-width: 850px; margin: 0 0 12px; font-size: clamp(2rem, 5vw, 3.8rem); line-height: 1.08; letter-spacing: -0.045em; color: var(--navy); }
.page-hero p { max-width: 720px; margin: 0; color: var(--slate-600); font-size: 1.05rem; }

.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--green-800); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 2px; border-radius: 2px; background: var(--green-600); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.section-heading h2 { margin: 0; color: var(--navy); font-size: clamp(1.9rem, 4vw, 3rem); letter-spacing: -0.04em; line-height: 1.12; }
.section-heading p { max-width: 620px; margin: 10px 0 0; color: var(--slate-600); }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--green-800); font-weight: 800; white-space: nowrap; }
.text-link:hover { color: var(--green-600); }
.muted { color: var(--slate-500); }
.small { font-size: .88rem; }
.center { text-align: center; }
.hidden { display: none !important; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 11px 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: var(--white);
  color: var(--slate-800);
  font-weight: 800;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible, .icon-btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible, a:focus-visible { outline: 3px solid rgba(34, 197, 94, .28); outline-offset: 2px; }
.btn-primary { color: white; background: var(--green-800); box-shadow: 0 9px 20px rgba(22, 101, 52, .18); }
.btn-primary:hover { background: var(--green-700); }
.btn-dark { color: white; background: var(--navy); }
.btn-outline { border-color: var(--slate-300); background: var(--white); }
.btn-outline:hover { border-color: var(--green-600); color: var(--green-800); }
.btn-soft { background: var(--green-50); color: var(--green-900); }
.btn-danger { background: #fef2f2; color: var(--danger); }
.btn-block { width: 100%; }
.btn-sm { min-height: 38px; padding: 8px 13px; font-size: .88rem; }
.icon-btn { width: 42px; height: 42px; display: inline-grid; place-items: center; padding: 0; border: 1px solid var(--slate-200); border-radius: 12px; background: white; color: var(--slate-700); }
.icon-btn:hover { border-color: var(--green-500); color: var(--green-700); }
.icon-btn.active { color: #be123c; background: #fff1f2; border-color: #fecdd3; }
.actions { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid rgba(226,232,240,.9);
  backdrop-filter: blur(16px);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 22px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--navy); font-size: 1.2rem; font-weight: 900; letter-spacing: -.025em; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; color: white; background: var(--green-800); box-shadow: 0 8px 20px rgba(22,101,52,.18); }
.desktop-nav { display: flex; align-items: center; gap: 3px; }
.nav-link { padding: 9px 10px; border-radius: 9px; color: var(--slate-600); font-size: .91rem; font-weight: 700; }
.nav-link:hover, .nav-link.active { color: var(--green-800); background: var(--green-50); }
.header-search { position: relative; flex: 1; max-width: 340px; margin-left: auto; }
.header-search input { width: 100%; height: 42px; padding: 0 42px 0 42px; border: 1px solid var(--slate-200); border-radius: 12px; background: var(--slate-50); color: var(--navy); }
.header-search .search-icon { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--slate-500); }
.search-results { position: absolute; left: 0; right: 0; top: calc(100% + 8px); padding: 8px; background: white; border: 1px solid var(--slate-200); border-radius: 14px; box-shadow: var(--shadow-lg); }
.search-result { display: flex; gap: 10px; padding: 10px; border-radius: 10px; }
.search-result:hover { background: var(--slate-50); }
.search-result-art { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 10px; color: white; flex: 0 0 auto; }
.header-actions { display: flex; align-items: center; gap: 9px; }
.mobile-menu-btn { display: none; }
.profile-chip { display: inline-flex; align-items: center; gap: 9px; padding: 5px 9px 5px 5px; border: 1px solid var(--slate-200); border-radius: 999px; background: white; font-weight: 800; }
.avatar { width: 36px; height: 36px; display: inline-grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: var(--green-100); color: var(--green-900); font-size: .8rem; font-weight: 900; }
.mobile-menu { position: fixed; inset: var(--header-height) 0 auto 0; z-index: 999; display: none; padding: 18px 20px 24px; background: white; border-bottom: 1px solid var(--slate-200); box-shadow: var(--shadow); }
.mobile-menu.open { display: block; }
.mobile-menu .nav-link { display: block; padding: 12px; }
.mobile-menu .actions { margin-top: 14px; }

.hero { overflow: hidden; padding: 70px 0 78px; background: linear-gradient(135deg, #f8fafc 0%, #f0fdf4 60%, #ecfdf5 100%); border-bottom: 1px solid var(--slate-200); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 64px; }
.hero h1 { margin: 0 0 20px; color: var(--navy); font-size: clamp(2.7rem, 6vw, 5.2rem); line-height: .98; letter-spacing: -.065em; }
.hero h1 span { color: var(--green-700); }
.hero-copy > p { max-width: 660px; margin: 0 0 28px; color: var(--slate-600); font-size: clamp(1rem, 2vw, 1.15rem); }
.hero-search { position: relative; display: flex; align-items: center; max-width: 660px; margin-top: 28px; padding: 7px; border: 1px solid var(--slate-200); border-radius: 16px; background: white; box-shadow: var(--shadow); }
.hero-search input { flex: 1; min-width: 0; height: 48px; padding: 0 15px 0 44px; border: 0; outline: 0; color: var(--navy); background: transparent; }
.hero-search > svg { position: absolute; left: 20px; color: var(--slate-500); }
.search-suggestions { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.search-suggestions button { padding: 7px 10px; border: 1px solid var(--green-200); border-radius: 999px; color: var(--green-900); background: rgba(255,255,255,.7); font-size: .79rem; font-weight: 700; }
.hero-visual { position: relative; min-height: 470px; }
.visual-panel { position: absolute; inset: 28px 10px 28px 45px; border-radius: 32px; background: var(--green-900); box-shadow: var(--shadow-lg); overflow: hidden; }
.visual-panel::before { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: rgba(134,239,172,.12); right: -80px; top: -65px; }
.visual-panel::after { content: ""; position: absolute; width: 240px; height: 240px; border-radius: 50%; background: rgba(255,255,255,.06); left: -90px; bottom: -100px; }
.learning-window { position: absolute; inset: 72px 42px 56px; z-index: 1; padding: 20px; border-radius: 22px; background: white; box-shadow: 0 25px 60px rgba(0,0,0,.25); }
.window-top { display: flex; align-items: center; gap: 6px; margin-bottom: 18px; }
.window-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--slate-300); }
.window-content { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.video-mock { min-height: 160px; display: grid; place-items: center; border-radius: 15px; color: white; background: linear-gradient(135deg, #0f172a, #166534); }
.play-circle { width: 54px; height: 54px; display: grid; place-items: center; border-radius: 50%; background: white; color: var(--green-800); box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.lesson-list-mock { display: grid; gap: 9px; }
.mock-line { height: 14px; border-radius: 99px; background: var(--slate-100); }
.mock-line.active { background: var(--green-100); border: 1px solid var(--green-200); }
.mock-line.short { width: 70%; }
.mock-progress { height: 8px; margin-top: 16px; overflow: hidden; border-radius: 99px; background: var(--slate-100); }
.mock-progress span { display: block; width: 64%; height: 100%; background: var(--green-600); }
.floating-card { position: absolute; z-index: 2; padding: 14px 16px; border: 1px solid rgba(255,255,255,.65); border-radius: 16px; background: rgba(255,255,255,.95); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.floating-card.top { top: 12px; right: 0; }
.floating-card.bottom { left: 0; bottom: 10px; }
.floating-card strong { display: block; color: var(--navy); font-size: .92rem; }
.floating-card span { color: var(--slate-500); font-size: .75rem; }

.benefit-strip { position: relative; z-index: 3; margin-top: -30px; }
.benefit-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--slate-200); border-radius: 18px; background: white; box-shadow: var(--shadow); overflow: hidden; }
.benefit-item { display: flex; align-items: center; gap: 12px; padding: 22px; border-right: 1px solid var(--slate-200); }
.benefit-item:last-child { border-right: 0; }
.icon-box { width: 44px; height: 44px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 12px; color: var(--green-800); background: var(--green-50); }
.benefit-item strong { display: block; color: var(--navy); font-size: .9rem; }
.benefit-item span { color: var(--slate-500); font-size: .76rem; }

.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.category-card { display: flex; align-items: start; gap: 15px; min-height: 140px; padding: 21px; border: 1px solid var(--slate-200); border-radius: 18px; background: white; transition: transform .18s, border-color .18s, box-shadow .18s; }
.category-card:hover { transform: translateY(-3px); border-color: var(--green-300); box-shadow: var(--shadow); }
.category-card .category-icon { width: 46px; height: 46px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 13px; color: white; }
.category-card h3 { margin: 0 0 5px; color: var(--navy); font-size: 1rem; }
.category-card p { margin: 0 0 9px; color: var(--slate-500); font-size: .82rem; line-height: 1.5; }
.category-card small { color: var(--green-800); font-weight: 800; }

.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.course-card { display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--slate-200); border-radius: 20px; background: white; transition: transform .2s, box-shadow .2s, border-color .2s; }
.course-card:hover { transform: translateY(-5px); border-color: var(--slate-300); box-shadow: var(--shadow); }
.course-art { position: relative; min-height: 175px; display: grid; place-items: center; overflow: hidden; color: white; background: linear-gradient(135deg, var(--course-accent), #0f172a); }
.course-art::before { content: ""; position: absolute; width: 170px; height: 170px; border-radius: 50%; right: -45px; top: -65px; background: rgba(255,255,255,.1); }
.course-art::after { content: ""; position: absolute; width: 120px; height: 120px; border: 2px solid rgba(255,255,255,.12); border-radius: 28px; left: -28px; bottom: -55px; transform: rotate(20deg); }
.course-art-icon { position: relative; z-index: 2; width: 76px; height: 76px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.3); border-radius: 22px; background: rgba(255,255,255,.14); backdrop-filter: blur(8px); }
.free-badge { position: absolute; top: 13px; left: 13px; z-index: 3; padding: 5px 9px; border-radius: 999px; color: var(--green-900); background: white; font-size: .7rem; font-weight: 900; letter-spacing: .04em; text-transform: uppercase; }
.course-save { position: absolute; top: 12px; right: 12px; z-index: 3; width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 12px; color: white; background: rgba(15,23,42,.35); }
.course-save.active { background: white; color: #be123c; }
.course-body { display: flex; flex: 1; flex-direction: column; padding: 19px; }
.course-kicker { display: flex; justify-content: space-between; gap: 10px; color: var(--green-800); font-size: .72rem; font-weight: 900; text-transform: uppercase; letter-spacing: .04em; }
.course-card h3 { margin: 9px 0 8px; color: var(--navy); font-size: 1.08rem; line-height: 1.35; letter-spacing: -.02em; }
.course-card .instructor-name { margin: 0 0 14px; color: var(--slate-500); font-size: .8rem; }
.course-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 7px 12px; margin-top: auto; padding-top: 14px; border-top: 1px solid var(--slate-100); color: var(--slate-500); font-size: .76rem; }
.course-meta span { display: inline-flex; align-items: center; gap: 5px; }
.star { color: var(--warning); fill: var(--warning); }
.progress-wrap { margin-top: 14px; }
.progress-label { display: flex; justify-content: space-between; margin-bottom: 6px; color: var(--slate-500); font-size: .72rem; font-weight: 700; }
.progress-bar { height: 8px; overflow: hidden; border-radius: 999px; background: var(--slate-100); }
.progress-bar span { display: block; height: 100%; border-radius: inherit; background: var(--green-600); }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step-card { position: relative; padding: 30px; border: 1px solid var(--slate-200); border-radius: 20px; background: white; }
.step-number { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 13px; color: white; background: var(--green-800); font-weight: 900; }
.step-card h3 { margin: 0 0 8px; color: var(--navy); }
.step-card p { margin: 0; color: var(--slate-600); font-size: .92rem; }

.path-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.path-card { position: relative; overflow: hidden; min-height: 310px; padding: 28px; border-radius: 22px; color: white; background: linear-gradient(135deg, var(--path-accent), #0f172a); }
.path-card::after { content: ""; position: absolute; width: 190px; height: 190px; right: -55px; bottom: -85px; border-radius: 50%; background: rgba(255,255,255,.08); }
.path-card .icon-box { color: white; background: rgba(255,255,255,.14); }
.path-card h3 { position: relative; z-index: 2; margin: 60px 0 12px; font-size: 1.35rem; line-height: 1.25; }
.path-meta { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.path-meta span, .skill-pill { padding: 5px 8px; border-radius: 999px; background: rgba(255,255,255,.12); font-size: .72rem; }

.instructor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.instructor-card { padding: 22px; border: 1px solid var(--slate-200); border-radius: 19px; background: white; }
.instructor-avatar { width: 64px; height: 64px; display: grid; place-items: center; margin-bottom: 16px; border-radius: 18px; color: white; background: var(--instructor-accent); font-weight: 900; font-size: 1.05rem; }
.instructor-card h3 { margin: 0 0 4px; color: var(--navy); font-size: 1rem; }
.instructor-card > p { min-height: 42px; margin: 0 0 14px; color: var(--slate-500); font-size: .8rem; }
.instructor-stats { display: flex; gap: 13px; margin-bottom: 16px; color: var(--slate-600); font-size: .75rem; }
.instructor-stats span { display: inline-flex; align-items: center; gap: 4px; }

.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.testimonial-card { padding: 26px; border: 1px solid var(--slate-200); border-radius: 20px; background: white; }
.quote-mark { color: var(--green-600); font-size: 2rem; line-height: 1; }
.testimonial-card blockquote { margin: 9px 0 22px; color: var(--slate-700); font-weight: 600; }
.person-row { display: flex; align-items: center; gap: 11px; }
.person-row strong { display: block; color: var(--navy); font-size: .86rem; }
.person-row span { color: var(--slate-500); font-size: .73rem; }

.cta-panel { position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; padding: 44px; border-radius: 28px; color: white; background: var(--green-900); }
.cta-panel::before { content: ""; position: absolute; width: 280px; height: 280px; right: -80px; top: -140px; border-radius: 50%; background: rgba(134,239,172,.13); }
.cta-panel h2 { position: relative; margin: 0 0 9px; font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.045em; line-height: 1.08; }
.cta-panel p { position: relative; max-width: 650px; margin: 0; color: var(--green-100); }
.cta-panel .btn { position: relative; }

.site-footer { padding: 64px 0 26px; color: var(--slate-300); background: var(--navy); }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 46px; }
.site-footer .brand { color: white; }
.footer-about p { max-width: 330px; color: var(--slate-400); font-size: .88rem; }
.footer-column h3 { margin: 0 0 16px; color: white; font-size: .92rem; }
.footer-column a { display: block; margin: 9px 0; color: var(--slate-400); font-size: .84rem; }
.footer-column a:hover { color: white; }
.newsletter { display: flex; margin-top: 15px; }
.newsletter input { min-width: 0; width: 100%; height: 44px; padding: 0 12px; border: 1px solid var(--slate-700); border-right: 0; border-radius: 10px 0 0 10px; color: white; background: var(--slate-800); }
.newsletter button { width: 48px; border: 0; border-radius: 0 10px 10px 0; color: white; background: var(--green-700); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 46px; padding-top: 22px; border-top: 1px solid var(--slate-800); color: var(--slate-500); font-size: .78rem; }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 22px; }
.toolbar-left, .toolbar-right { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.search-field { position: relative; min-width: 260px; }
.search-field input { width: 100%; height: 44px; padding: 0 12px 0 40px; border: 1px solid var(--slate-200); border-radius: 11px; background: white; }
.search-field svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--slate-500); }
.select { height: 44px; padding: 0 34px 0 12px; border: 1px solid var(--slate-200); border-radius: 11px; color: var(--slate-700); background: white; }
.explore-layout { display: grid; grid-template-columns: 245px 1fr; gap: 28px; align-items: start; }
.filter-panel { position: sticky; top: calc(var(--header-height) + 20px); padding: 20px; border: 1px solid var(--slate-200); border-radius: 18px; background: white; }
.filter-group { padding: 15px 0; border-bottom: 1px solid var(--slate-100); }
.filter-group:first-child { padding-top: 0; }
.filter-group:last-child { border-bottom: 0; padding-bottom: 0; }
.filter-group h3 { margin: 0 0 10px; color: var(--navy); font-size: .84rem; }
.check-row { display: flex; align-items: center; gap: 8px; margin: 8px 0; color: var(--slate-600); font-size: .82rem; }
.check-row input { accent-color: var(--green-700); }
.result-summary { margin: 0 0 20px; color: var(--slate-600); font-size: .88rem; }
.empty-state { padding: 56px 24px; border: 1px dashed var(--slate-300); border-radius: 20px; text-align: center; background: var(--slate-50); }
.empty-state .icon-box { margin: 0 auto 14px; }
.empty-state h3 { margin: 0 0 8px; color: var(--navy); }
.empty-state p { max-width: 480px; margin: 0 auto 18px; color: var(--slate-500); }

.course-hero { padding: 54px 0; color: white; background: linear-gradient(135deg, #052e16, #0f172a); }
.course-hero-grid { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: center; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--green-200); font-size: .78rem; }
.course-hero h1 { margin: 0 0 17px; font-size: clamp(2.2rem, 5vw, 4rem); line-height: 1.07; letter-spacing: -.05em; }
.course-hero .lead { max-width: 780px; color: var(--slate-300); font-size: 1.05rem; }
.course-hero-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-top: 20px; color: var(--slate-300); font-size: .84rem; }
.course-hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.course-preview-art { min-height: 260px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.18); border-radius: 24px; background: linear-gradient(135deg, var(--course-accent), rgba(255,255,255,.05)); box-shadow: var(--shadow-lg); }
.course-preview-art .course-art-icon { width: 100px; height: 100px; }
.course-content-grid { display: grid; grid-template-columns: 1fr 340px; gap: 38px; align-items: start; }
.content-card { margin-bottom: 20px; padding: 28px; border: 1px solid var(--slate-200); border-radius: 20px; background: white; }
.content-card h2 { margin: 0 0 18px; color: var(--navy); font-size: 1.35rem; }
.outcome-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; }
.check-item { display: flex; align-items: start; gap: 9px; color: var(--slate-700); font-size: .9rem; }
.check-item svg { flex: 0 0 auto; margin-top: 3px; color: var(--green-700); }
.enrollment-card { position: sticky; top: calc(var(--header-height) + 20px); padding: 24px; border: 1px solid var(--slate-200); border-radius: 20px; background: white; box-shadow: var(--shadow); }
.enrollment-card .price { margin-bottom: 12px; color: var(--green-800); font-size: 1.8rem; font-weight: 900; }
.includes-list { display: grid; gap: 11px; margin: 20px 0 0; padding: 18px 0 0; border-top: 1px solid var(--slate-100); }
.includes-list span { display: flex; align-items: center; gap: 9px; color: var(--slate-600); font-size: .83rem; }
.curriculum { border: 1px solid var(--slate-200); border-radius: 16px; overflow: hidden; }
.module summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 17px 18px; border-bottom: 1px solid var(--slate-200); background: var(--slate-50); color: var(--navy); font-weight: 800; cursor: pointer; list-style: none; }
.module summary::-webkit-details-marker { display: none; }
.lesson-row { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 14px 18px; border-bottom: 1px solid var(--slate-100); }
.lesson-row:last-child { border-bottom: 0; }
.lesson-name { display: flex; align-items: center; gap: 10px; color: var(--slate-700); font-size: .86rem; }
.lesson-meta { display: flex; align-items: center; gap: 10px; color: var(--slate-500); font-size: .74rem; }
.preview-pill { padding: 3px 7px; border-radius: 999px; color: var(--green-900); background: var(--green-100); font-weight: 800; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { padding: 6px 10px; border-radius: 999px; color: var(--slate-600); background: var(--slate-100); font-size: .74rem; }

.lesson-layout { display: grid; grid-template-columns: 310px 1fr; min-height: calc(100vh - var(--header-height)); }
.lesson-sidebar { position: sticky; top: var(--header-height); height: calc(100vh - var(--header-height)); overflow-y: auto; padding: 22px; color: var(--slate-300); background: var(--navy); }
.lesson-sidebar h2 { margin: 0 0 13px; color: white; font-size: 1rem; }
.lesson-sidebar .progress-label { color: var(--slate-400); }
.sidebar-lessons { margin-top: 24px; }
.sidebar-lesson { display: flex; gap: 11px; padding: 12px; border-radius: 11px; color: var(--slate-400); font-size: .82rem; }
.sidebar-lesson:hover, .sidebar-lesson.current { color: white; background: var(--slate-800); }
.lesson-status { width: 22px; height: 22px; display: grid; place-items: center; flex: 0 0 auto; border: 1px solid var(--slate-600); border-radius: 50%; }
.sidebar-lesson.complete .lesson-status { color: var(--green-950); background: var(--green-300); border-color: var(--green-300); }
.lesson-main { min-width: 0; background: var(--slate-50); }
.video-stage { aspect-ratio: 16 / 8.5; display: grid; place-items: center; color: white; background: linear-gradient(135deg, #020617, #14532d); }
.video-stage-inner { max-width: 580px; padding: 30px; text-align: center; }
.video-stage .play-circle { margin: 0 auto 20px; width: 76px; height: 76px; }
.video-stage h1 { margin: 0 0 8px; font-size: clamp(1.5rem, 4vw, 2.6rem); }
.video-stage p { margin: 0; color: var(--slate-300); }
.lesson-content { width: min(calc(100% - 40px), 920px); margin: 0 auto; padding: 36px 0 70px; }
.lesson-tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 10px; border-bottom: 1px solid var(--slate-200); }
.lesson-tab { padding: 9px 14px; border: 0; border-radius: 9px; color: var(--slate-600); background: transparent; font-weight: 800; white-space: nowrap; }
.lesson-tab.active { color: var(--green-900); background: var(--green-100); }
.tab-panel { padding: 26px 0; }
.tab-panel h2 { color: var(--navy); }
.code-block { position: relative; overflow-x: auto; padding: 20px; border-radius: 14px; color: #d1fae5; background: #0f172a; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; font-size: .86rem; }
.code-copy { position: absolute; top: 10px; right: 10px; }
.lesson-nav { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 24px; }
.quiz-box { padding: 24px; border: 1px solid var(--slate-200); border-radius: 18px; background: white; }
.quiz-option { display: flex; gap: 10px; margin: 10px 0; padding: 13px; border: 1px solid var(--slate-200); border-radius: 11px; cursor: pointer; }
.quiz-option:hover { border-color: var(--green-400); background: var(--green-50); }
.quiz-option input { accent-color: var(--green-700); }
.quiz-feedback { margin-top: 15px; padding: 14px; border-radius: 11px; }
.quiz-feedback.correct { color: var(--green-900); background: var(--green-100); }
.quiz-feedback.wrong { color: #991b1b; background: #fee2e2; }

.dashboard-wrap { padding: 42px 0 70px; background: var(--slate-50); }
.dashboard-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 26px; }
.dashboard-header h1 { margin: 0 0 4px; color: var(--navy); font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -.04em; }
.demo-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border-radius: 999px; color: #92400e; background: #fef3c7; font-size: .72rem; font-weight: 900; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { padding: 20px; border: 1px solid var(--slate-200); border-radius: 17px; background: white; }
.stat-card .icon-box { margin-bottom: 18px; }
.stat-card strong { display: block; color: var(--navy); font-size: 1.6rem; }
.stat-card span { color: var(--slate-500); font-size: .78rem; }
.dashboard-grid { display: grid; grid-template-columns: 1.5fr .8fr; gap: 22px; margin-top: 22px; }
.dashboard-card { padding: 22px; border: 1px solid var(--slate-200); border-radius: 19px; background: white; }
.card-title-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 18px; }
.card-title-row h2 { margin: 0; color: var(--navy); font-size: 1.1rem; }
.continue-card { display: grid; grid-template-columns: 150px 1fr; gap: 18px; align-items: center; padding: 14px; border: 1px solid var(--slate-200); border-radius: 15px; }
.continue-art { height: 110px; display: grid; place-items: center; border-radius: 12px; color: white; background: linear-gradient(135deg, var(--course-accent), #0f172a); }
.activity-bars { height: 180px; display: flex; align-items: end; justify-content: space-between; gap: 9px; padding-top: 18px; }
.activity-day { flex: 1; text-align: center; color: var(--slate-500); font-size: .69rem; }
.activity-bar { min-height: 8px; margin-bottom: 8px; border-radius: 7px 7px 3px 3px; background: var(--green-600); }
.list-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 0; border-bottom: 1px solid var(--slate-100); }
.list-row:last-child { border-bottom: 0; }
.list-row strong { display: block; color: var(--navy); font-size: .85rem; }
.list-row span { color: var(--slate-500); font-size: .73rem; }

.auth-page { min-height: calc(100vh - var(--header-height)); display: grid; grid-template-columns: 1fr 1fr; }
.auth-visual { position: relative; overflow: hidden; display: grid; place-items: center; padding: 60px; color: white; background: linear-gradient(145deg, #052e16, #166534); }
.auth-visual::before { content: ""; position: absolute; width: 440px; height: 440px; border-radius: 50%; background: rgba(134,239,172,.12); top: -170px; right: -120px; }
.auth-message { position: relative; max-width: 520px; }
.auth-message h1 { margin: 0 0 16px; font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1; letter-spacing: -.06em; }
.auth-message p { color: var(--green-100); }
.auth-form-wrap { display: grid; place-items: center; padding: 50px 30px; }
.auth-card { width: min(100%, 470px); }
.auth-card h2 { margin: 0 0 7px; color: var(--navy); font-size: 2rem; letter-spacing: -.035em; }
.auth-card > p { margin: 0 0 24px; color: var(--slate-500); }
.form-grid { display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { display: block; margin-bottom: 6px; color: var(--slate-700); font-size: .8rem; font-weight: 800; }
.field input, .field select, .field textarea { width: 100%; min-height: 46px; padding: 11px 13px; border: 1px solid var(--slate-300); border-radius: 11px; color: var(--navy); background: white; }
.field textarea { min-height: 125px; resize: vertical; }
.form-note { color: var(--slate-500); font-size: .75rem; }
.divider { display: flex; align-items: center; gap: 12px; margin: 18px 0; color: var(--slate-400); font-size: .75rem; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--slate-200); }

.content-layout { display: grid; grid-template-columns: 260px 1fr; gap: 34px; align-items: start; }
.side-nav { position: sticky; top: calc(var(--header-height) + 20px); padding: 14px; border: 1px solid var(--slate-200); border-radius: 16px; background: white; }
.side-nav a { display: block; padding: 10px 12px; border-radius: 9px; color: var(--slate-600); font-size: .83rem; font-weight: 700; }
.side-nav a:hover { color: var(--green-800); background: var(--green-50); }
.prose { max-width: 820px; }
.prose h2 { margin: 38px 0 12px; color: var(--navy); font-size: 1.55rem; letter-spacing: -.03em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { color: var(--navy); }
.prose p, .prose li { color: var(--slate-600); }
.prose li { margin: 7px 0; }

.faq-list { display: grid; gap: 12px; max-width: 850px; }
.faq-item { border: 1px solid var(--slate-200); border-radius: 15px; background: white; overflow: hidden; }
.faq-item summary { padding: 18px 20px; color: var(--navy); font-weight: 800; cursor: pointer; }
.faq-item p { margin: 0; padding: 0 20px 20px; color: var(--slate-600); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; }
.contact-cards { display: grid; gap: 14px; }
.contact-card { padding: 20px; border: 1px solid var(--slate-200); border-radius: 16px; background: white; }
.contact-card h3 { margin: 9px 0 5px; color: var(--navy); }
.contact-card p { margin: 0; color: var(--slate-500); font-size: .84rem; }

.profile-hero { padding: 54px 0; background: var(--slate-50); border-bottom: 1px solid var(--slate-200); }
.profile-header { display: grid; grid-template-columns: 130px 1fr auto; gap: 28px; align-items: center; }
.profile-avatar { width: 130px; height: 130px; display: grid; place-items: center; border-radius: 32px; color: white; background: var(--instructor-accent); font-size: 2rem; font-weight: 900; }
.profile-copy h1 { margin: 0 0 7px; color: var(--navy); font-size: 2.6rem; letter-spacing: -.045em; }
.profile-copy p { margin: 0; color: var(--slate-600); }
.profile-stats { display: flex; gap: 25px; margin-top: 17px; }
.profile-stats strong { display: block; color: var(--navy); }
.profile-stats span { color: var(--slate-500); font-size: .72rem; }

.certificate-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.certificate { position: relative; overflow: hidden; padding: 38px; border: 8px solid #f8fafc; outline: 1px solid var(--slate-300); background: white; text-align: center; box-shadow: var(--shadow); }
.certificate::before, .certificate::after { content: ""; position: absolute; width: 170px; height: 170px; border-radius: 50%; background: var(--green-50); }
.certificate::before { left: -90px; top: -90px; }
.certificate::after { right: -90px; bottom: -90px; }
.certificate h2 { margin: 18px 0 5px; color: var(--green-900); font-family: Georgia, serif; font-size: 1.8rem; }
.certificate h3 { margin: 16px 0; color: var(--navy); font-size: 1.25rem; }
.certificate p { margin: 6px 0; color: var(--slate-500); font-size: .82rem; }
.certificate-id { margin-top: 20px; color: var(--slate-400); font-size: .7rem; letter-spacing: .08em; }

.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - var(--header-height)); background: var(--slate-50); }
.admin-sidebar { padding: 24px 16px; color: var(--slate-300); background: var(--navy); }
.admin-sidebar h2 { padding: 0 10px; color: white; font-size: 1rem; }
.admin-sidebar a { display: flex; align-items: center; gap: 10px; padding: 11px 10px; border-radius: 9px; color: var(--slate-400); font-size: .82rem; font-weight: 700; }
.admin-sidebar a:hover, .admin-sidebar a.active { color: white; background: var(--slate-800); }
.admin-main { padding: 34px; min-width: 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--slate-200); border-radius: 16px; background: white; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 13px 15px; border-bottom: 1px solid var(--slate-100); text-align: left; font-size: .8rem; white-space: nowrap; }
th { color: var(--slate-500); background: var(--slate-50); font-weight: 800; }
td { color: var(--slate-700); }
.status-pill { display: inline-flex; padding: 4px 8px; border-radius: 999px; font-size: .7rem; font-weight: 800; }
.status-pill.active, .status-pill.approved { color: var(--green-900); background: var(--green-100); }
.status-pill.review { color: #92400e; background: #fef3c7; }

.toast-region { position: fixed; z-index: 4000; right: 18px; bottom: 18px; display: grid; gap: 10px; }
.toast { min-width: 280px; max-width: 390px; display: flex; align-items: start; gap: 11px; padding: 14px; border: 1px solid var(--slate-200); border-radius: 14px; color: var(--slate-700); background: white; box-shadow: var(--shadow-lg); animation: toast-in .2s ease; }
.toast strong { display: block; color: var(--navy); font-size: .84rem; }
.toast p { margin: 1px 0 0; font-size: .76rem; }
@keyframes toast-in { from { opacity: 0; transform: translateY(10px); } }

.modal-backdrop { position: fixed; inset: 0; z-index: 3000; display: grid; place-items: center; padding: 20px; background: rgba(15,23,42,.58); }
.modal { width: min(100%, 520px); padding: 24px; border-radius: 20px; background: white; box-shadow: var(--shadow-lg); }
.modal-header { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 14px; }
.modal h2 { margin: 0; color: var(--navy); }

.mobile-bottom-nav { display: none; }
.route-loader { width: min(calc(100% - 40px), var(--container)); min-height: 65vh; margin: 40px auto; }
.skeleton { background: linear-gradient(90deg, var(--slate-100), var(--slate-50), var(--slate-100)); background-size: 200% 100%; animation: shimmer 1.2s infinite; }
.skeleton-line { height: 30px; border-radius: 8px; }
.skeleton-line.wide { width: 55%; }
.skeleton-card { height: 350px; margin-top: 30px; border-radius: 20px; }
@keyframes shimmer { to { background-position: -200% 0; } }
.noscript-card { max-width: 600px; margin: 70px auto; padding: 25px; border: 1px solid var(--slate-200); border-radius: 16px; }

@media (max-width: 1050px) {
  .desktop-nav, .header-search, .header-actions .login-link { display: none; }
  .header-actions { margin-left: auto; }
  .mobile-menu-btn { display: inline-grid; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { text-align: center; }
  .hero-copy > p, .hero-search { margin-left: auto; margin-right: auto; }
  .hero-copy .actions, .search-suggestions { justify-content: center; }
  .hero-visual { max-width: 680px; width: 100%; margin: 0 auto; }
  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .instructor-grid { grid-template-columns: repeat(2, 1fr); }
  .course-hero-grid, .course-content-grid { grid-template-columns: 1fr; }
  .course-preview-art { max-width: 520px; }
  .enrollment-card { position: static; }
  .lesson-layout { grid-template-columns: 250px 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
}

@media (max-width: 780px) {
  :root { --header-height: 66px; }
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 62px 0; }
  .section-tight { padding: 44px 0; }
  .site-header { height: var(--header-height); }
  .brand-mark { width: 36px; height: 36px; }
  .header-actions .btn-primary { display: none; }
  .hero { padding: 52px 0 60px; }
  .hero h1 { font-size: clamp(2.45rem, 12vw, 4rem); }
  .hero-visual { min-height: 390px; }
  .visual-panel { inset: 26px 6px 20px 22px; }
  .learning-window { inset: 65px 24px 50px; }
  .floating-card.top { right: -2px; }
  .benefit-grid { grid-template-columns: repeat(2, 1fr); }
  .benefit-item:nth-child(2) { border-right: 0; }
  .benefit-item:nth-child(-n+2) { border-bottom: 1px solid var(--slate-200); }
  .category-grid, .steps-grid, .path-grid, .testimonial-grid { grid-template-columns: 1fr; }
  .course-grid { grid-template-columns: 1fr; }
  .course-card { max-width: 600px; width: 100%; margin-inline: auto; }
  .instructor-grid { grid-template-columns: 1fr; }
  .cta-panel { grid-template-columns: 1fr; padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-about { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .explore-layout { grid-template-columns: 1fr; }
  .filter-panel { position: static; display: none; }
  .filter-panel.open { display: block; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .toolbar-left, .toolbar-right { width: 100%; }
  .search-field { flex: 1; min-width: 0; }
  .outcome-grid { grid-template-columns: 1fr; }
  .lesson-layout { display: block; }
  .lesson-sidebar { position: static; width: 100%; height: auto; max-height: 430px; }
  .video-stage { aspect-ratio: 16 / 10; }
  .dashboard-header { align-items: start; flex-direction: column; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .continue-card { grid-template-columns: 100px 1fr; }
  .continue-art { height: 90px; }
  .auth-page { grid-template-columns: 1fr; }
  .auth-visual { min-height: 360px; padding: 45px 26px; }
  .content-layout { grid-template-columns: 1fr; }
  .side-nav { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .profile-header { grid-template-columns: 90px 1fr; }
  .profile-avatar { width: 90px; height: 90px; border-radius: 24px; }
  .profile-header > .btn { grid-column: 1 / -1; }
  .profile-copy h1 { font-size: 1.9rem; }
  .certificate-grid { grid-template-columns: 1fr; }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: flex; overflow-x: auto; padding: 10px; }
  .admin-sidebar h2 { display: none; }
  .admin-sidebar a { white-space: nowrap; }
  .admin-main { padding: 24px 14px 90px; }
  .mobile-bottom-nav { position: fixed; z-index: 1000; left: 10px; right: 10px; bottom: 10px; display: grid; grid-template-columns: repeat(5, 1fr); padding: 7px; border: 1px solid var(--slate-200); border-radius: 18px; background: rgba(255,255,255,.96); box-shadow: var(--shadow-lg); backdrop-filter: blur(16px); }
  .mobile-bottom-nav a { display: grid; place-items: center; gap: 2px; padding: 5px 2px; border-radius: 10px; color: var(--slate-500); font-size: .62rem; font-weight: 800; }
  .mobile-bottom-nav a.active { color: var(--green-800); background: var(--green-50); }
  .site-footer { padding-bottom: 110px; }
}

@media (max-width: 520px) {
  .hero-search { display: grid; }
  .hero-search .btn { width: 100%; }
  .hero-search input { height: 45px; }
  .benefit-grid { grid-template-columns: 1fr; }
  .benefit-item { border-right: 0; border-bottom: 1px solid var(--slate-200); }
  .benefit-item:last-child { border-bottom: 0; }
  .window-content { grid-template-columns: 1fr; }
  .lesson-list-mock { display: none; }
  .learning-window { inset: 75px 18px 60px; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .profile-header { grid-template-columns: 1fr; text-align: center; }
  .profile-avatar { margin: auto; }
  .profile-stats { justify-content: center; }
  .profile-header > .btn { grid-column: auto; }
  .certificate { padding: 26px 18px; }
  .toast-region { left: 12px; right: 12px; }
  .toast { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}