:root{--bg: #0b0f1a;--bg-soft: #0f172a;--text: #e5e7eb;--muted: #94a3b8;--primary: #2563eb;--primary-700: #1d4ed8;--card: #0f1629;--border: #1f2937}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol;background:var(--bg);color:var(--text)}.container{max-width:1280px;margin:0 auto;padding:0 1.25rem}.page{position:relative;min-height:100%}.page:before{content:"";position:absolute;inset:-10% -20% auto -20%;height:60vh;background:radial-gradient(600px 300px at 30% 30%,rgba(37,99,235,.35),rgba(37,99,235,0)),radial-gradient(450px 250px at 70% 20%,rgba(99,102,241,.28),rgba(99,102,241,0));filter:blur(40px);pointer-events:none}.header{position:sticky;top:0;z-index:10;-webkit-backdrop-filter:saturate(1.2) blur(8px);backdrop-filter:saturate(1.2) blur(8px);background:rgba(11,15,26,.7);border-bottom:1px solid var(--border)}.header .container{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.25rem}.brand{font-weight:800;letter-spacing:.4px;font-size:1.1rem}.nav{display:flex;gap:1rem}.nav a{color:var(--muted);text-decoration:none;padding:.5rem .75rem;border-radius:8px}.nav a:hover{color:var(--text);background:rgba(255,255,255,.04)}.lang-switch{display:inline-flex;gap:.5rem;align-items:center}.lang-switch button{border:1px solid var(--border);color:var(--muted);background:transparent;padding:.3rem .6rem;border-radius:8px;cursor:pointer}.lang-switch button.active{color:var(--text);border-color:var(--primary);background:rgba(37,99,235,.15)}.hero{padding:5.5rem 0 4rem;text-align:center}.hero h1{font-size:clamp(2rem,4vw,3.75rem);line-height:1.05;margin:0;font-weight:800}.hero .subtitle{margin-top:1rem;color:var(--muted);font-size:1.125rem}.cta{margin-top:2rem;display:inline-flex;gap:1rem}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.7rem 1rem;border-radius:10px;text-decoration:none;font-weight:600;border:1px solid var(--border)}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary-700)}.btn-primary:hover{background:var(--primary-700)}.btn-secondary{color:var(--text);background:rgba(255,255,255,.04)}.features{padding:3rem 0 1rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}@media (min-width: 1024px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1.2rem}.card h3{margin:0 0 .6rem;font-size:1.05rem}.card-head{display:flex;align-items:center;gap:.5rem}.icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;color:var(--primary);background:rgba(37,99,235,.12);border:1px solid var(--border);border-radius:8px}.card p{margin:0;color:var(--muted)}.quick-start{padding:3rem 0}.quick-start h2{margin:0 0 1rem;font-size:1.4rem}.steps{margin:0;padding-left:1.25rem;color:var(--muted)}.steps li{margin:.5rem 0}.code{padding:2.5rem 0}.code h2{margin:0 0 1rem;font-size:1.4rem}.code-block{background:#0b1222;border:1px solid var(--border);border-radius:14px;padding:1rem;overflow:auto}.code-block code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;font-size:clamp(12px,1.8vw,14px);color:#cbd5e1}.footer{border-top:1px solid var(--border);padding:1.2rem 0;color:var(--muted);text-align:center}.cookie-banner{position:fixed;left:50%;bottom:20px;transform:translate(-50%);background:rgba(15,22,41,.95);border:1px solid var(--border);border-radius:12px;padding:.75rem 1rem;display:flex;gap:.8rem;align-items:center;z-index:50}.cookie-banner p{margin:0;color:var(--muted)}.menu-btn{display:none}@media (max-width: 768px){.menu-btn{display:inline-flex;align-items:center;justify-content:center;height:36px;width:36px;border-radius:8px;border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--text)}.nav{display:none}.nav.show{display:flex;position:fixed;top:64px;left:0;right:0;flex-direction:column;gap:12px;padding:12px 16px;background:rgba(11,15,26,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.container{padding:0 1rem}.cta{flex-direction:column;width:100%}.btn{width:100%;justify-content:center}}html,body,.page{overflow-x:hidden}.grid-hero{display:grid;grid-template-columns:1fr;align-items:center;gap:1.5rem}@media (min-width: 768px){.grid-hero{grid-template-columns:1.2fr .8fr}}.hero-copy{text-align:left}@media (max-width: 767px){.hero-copy{text-align:center}}.auth-card{background:linear-gradient(180deg,rgba(15,22,41,.95),rgba(15,22,41,.9));box-shadow:0 10px 30px #02081759}.gsi-btn-slot{min-height:40px;display:flex;align-items:center;justify-content:center}.small{color:var(--muted);font-size:.9rem}.alert{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:10px;padding:10px 12px}.user-card{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:12px;padding:10px 12px}.btn-google{display:inline-flex;align-items:center;gap:10px;padding:0 14px;min-height:40px;border:1px solid #dadce0;border-radius:4px;background:#fff;color:#3c4043;font-weight:500;font-size:14px;box-shadow:0 1px 2px #0000000d;cursor:pointer}.btn-google:hover{background:#fff;border-color:#c9cccf;box-shadow:0 2px 6px #00000014}.btn-google:active{transform:translateY(1px);box-shadow:0 1px 2px #0000000f}.btn-google .google-logo{display:inline-flex;width:18px;height:18px}