:root{--bg: #070916;--bg-elevated: #101320;--bg-card: #151823;--bg-card-soft: #1a1d2b;--text: #f4f6ff;--text-muted: #b9bfd6;--text-soft: #d7dbeb;--border: rgba(255, 255, 255, .09);--primary: #7357ff;--primary-hover: #8b73ff;--primary-soft: rgba(115, 87, 255, .18);--shadow: 0 18px 60px rgba(0, 0, 0, .28);--radius: 18px;--page-width: 1720px}body{margin:0;background:radial-gradient(circle at top right,rgba(115,87,255,.18),transparent 34rem),var(--bg);color:var(--text);font-family:Inter,Arial,Helvetica,sans-serif}.page-shell{width:min(var(--page-width),calc(100% - 96px));margin-inline:auto}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border-radius:10px;border:1px solid var(--border);font-weight:800}.button-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.button-primary:hover{background:var(--primary-hover)}.button-secondary{background:#ffffff0a;color:#fff}@media(max-width:900px){.page-shell{width:min(100% - 32px,var(--page-width))}}:root{--bg: #f5f6fb;--card: #ffffff;--text: #101226;--muted: #5f6475;--border: #dfe3ee;--primary: #6c35d8;--primary-dark: #4f21b5;--nav-muted: #c7cede;--soft-purple: #f0e9ff;--soft-green: #eaf7ef;--soft-orange: #fff0df;--soft-blue: #eaf4ff;--soft-red: #fff0f1;--shadow: 0 10px 30px rgba(16, 18, 38, .08);--radius: 18px}*{box-sizing:border-box}html{color-scheme:light}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}h1,h2,h3,p,figure{margin-top:0}p{color:var(--muted)}button,input,textarea,select{font:inherit}.page-shell{width:min(1440px,calc(100% - 40px));margin-inline:auto}.page-stack{display:grid;gap:14px;padding-block:18px 40px}.content-grid{display:grid;gap:14px}.content-grid-about,.content-grid-process{grid-template-columns:1fr 2fr}.media-grid{display:grid;grid-template-columns:1.2fr 1fr 1.2fr;gap:14px}.badge-row{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}.button-row,.link-grid{display:flex;flex-wrap:wrap;gap:14px}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.screenshot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.lesson-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:1100px){.hero,.content-grid-about,.content-grid-process,.media-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.page-shell{width:min(100% - 24px,1440px)}.feature-grid,.screenshot-grid,.lesson-grid{grid-template-columns:1fr}.nav-links{display:none}.hero{padding:18px}}.site-nav{background:var(--nav);color:#fff;border-radius:16px;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:var(--shadow)}.brand{display:flex;align-items:center;gap:12px}.brand-icon{width:42px;height:42px;border-radius:12px;background:#fff;color:var(--primary);display:grid;place-items:center;font-size:24px}.brand-title{display:block;font-weight:800;font-size:1.1rem;line-height:1.1}.brand-subtitle{display:block;color:var(--nav-muted);font-size:.82rem}.nav-links{display:flex;align-items:center;gap:28px;font-weight:700;font-size:.95rem}.nav-links a{color:#fff;opacity:.9;padding-block:8px;border-bottom:3px solid transparent}.nav-links a.active,.nav-links a:hover{color:#c7a7ff;border-bottom-color:#8b55ff;opacity:1}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.section-card{padding:22px}.section-card h2{font-size:1.15rem;margin-bottom:14px;letter-spacing:-.02em}.button{display:inline-flex;align-items:center;justify-content:center;min-width:180px;gap:10px;padding:14px 24px;border-radius:8px;border:2px solid var(--border);font-weight:900;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}.button:hover{transform:translateY(-1px);box-shadow:0 8px 18px #1012261f}.button-primary{color:#fff;background:var(--primary);border-color:var(--primary)}.button-primary:hover{background:var(--primary-dark)}.button-secondary{color:var(--text);background:#fff}.tech-badge{display:inline-flex;align-items:center;justify-content:center;min-width:92px;padding:12px 14px;border-radius:12px;background:#f5f7fb;border:1px solid var(--border);color:var(--text);font-weight:800}.site-footer{text-align:center;padding:16px 20px 32px;color:var(--muted)}