.theme-toggle{background:none;border:none;cursor:pointer;padding:4px;display:inline-flex;align-items:center}.theme-toggle__track{position:relative;display:inline-flex;align-items:center;width:52px;height:28px;border-radius:999px;background:var(--surface-alt);border:1px solid var(--border);transition:background .25s ease}.theme-toggle__thumb{position:absolute;top:50%;left:3px;transform:translateY(-50%);display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--surface);box-shadow:var(--shadow-sm);font-size:.75rem;transition:left .25s ease}:root[data-theme=dark] .theme-toggle__thumb{left:27px}.nav{position:sticky;top:0;z-index:100;background:var(--nav-bg);-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,box-shadow .25s 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980px){.about-home__inner{grid-template-columns:1fr;gap:40px}.about-home__visual{min-height:300px;order:-1}.hero__inner{grid-template-columns:1fr}.hero__visual{order:-1;min-height:260px}.perks,.perks--five,.course-grid{grid-template-columns:repeat(2,1fr)}.lang-strip{grid-template-columns:repeat(3,1fr)}.steps{grid-template-columns:1fr}.steps--four,.whofor{grid-template-columns:repeat(2,1fr)}}@media (max-width: 620px){.perks,.perks--five,.course-grid,.lang-strip,.steps--four,.whofor{grid-template-columns:1fr}.hero__stats{grid-template-columns:repeat(2,1fr);gap:16px}.cta{padding:44px 24px}}.page-hero{background:radial-gradient(620px 380px at 88% -20%,var(--violet-soft),transparent 60%),radial-gradient(560px 400px at 8% 120%,var(--pink-soft),transparent 58%),var(--surface-alt);padding:64px 0 56px;text-align:center}.page-hero h1 span,.page-hero .accent{background:var(--grad-hero);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.page-hero .eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--grad-primary);padding:6px 16px;border-radius:999px;margin-bottom:16px;box-shadow:0 4px 12px #5b8def4d}.page-hero h1{font-size:clamp(2rem,4vw,2.8rem);margin-bottom:14px}.page-hero p{color:var(--text-muted);max-width:620px;margin:0 auto;font-size:1.05rem}.courses-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:40px}.courses-search{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:11px 20px;min-width:280px;box-shadow:var(--shadow-sm)}.courses-search input{border:none;outline:none;font-family:var(--font-body);font-size:.95rem;color:var(--text);width:100%;background:transparent}.courses-filters{display:flex;gap:8px;flex-wrap:wrap}.filter-chip{font-family:var(--font-body);font-size:.88rem;font-weight:500;color:var(--text-muted);background:var(--surface);border:1px solid var(--border);padding:9px 18px;border-radius:999px;cursor:pointer;transition:all .18s ease}.filter-chip:hover{border-color:var(--primary-soft);color:var(--text)}.filter-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.courses-empty{text-align:center;color:var(--text-muted);padding:40px 0}@media (max-width: 980px){.course-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 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strong{display:block;font-family:var(--font-head);font-size:1.05rem}.about-mentor span{font-size:.88rem;color:var(--text-soft)}.about-facts{display:flex;flex-direction:column;gap:14px}.about-facts li{display:flex;align-items:center;gap:12px;font-size:.96rem;color:var(--text)}.about-facts span{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--mint-soft);color:var(--mint);font-size:.8rem;flex-shrink:0}.about-values{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.about-value{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}.about-value:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.about-value__icon{display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:var(--accent-soft);font-size:1.5rem;margin-bottom:16px}.about-value:nth-child(4n+1) 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#f4b06a;--accent-soft: #33281c;--mint: #7ad6a2;--mint-soft: #1c3128;--violet: #a68df5;--violet-soft: #2a2447;--pink: #f48cae;--pink-soft: #3a2430;--teal: #5fd3d7;--teal-soft: #17322f;--grad-primary: linear-gradient(135deg, #5b8def 0%, #8b6ef0 100%);--grad-warm: linear-gradient(135deg, #f2a154 0%, #f0729e 100%);--grad-cool: linear-gradient(135deg, #3fc3c8 0%, #5b8def 100%);--grad-hero: linear-gradient(120deg, #7aa5f5 0%, #a68df5 50%, #f48cae 100%);--text: #e7ebf3;--text-muted: #a5adbd;--text-soft: #737d90;--border: #262f42;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .35);--shadow-lg: 0 18px 40px rgba(0, 0, 0, .45);--nav-bg: rgba(15, 20, 32, .72);--nav-bg-scrolled: rgba(15, 20, 32, .92);--code-bg: #0b0f19;--code-text: #c9d3ea;--chip-bg: #1b2233;--footer-bg: #0b0f19;--footer-text: #8b93a4;--footer-heading: 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