:root{--brand-accent: #4338ca;--brand-accent-2: #0e7490;--bg: #f8f9fa;--card: #ffffff;--ink: #1f2937;--ink-soft: #5f6368;--border: #e5e7eb;--hover: #f1f3f4;--shadow: 0 1px 2px rgba(60, 64, 67, .2), 0 4px 16px rgba(60, 64, 67, .08);--shadow-lg: 0 12px 40px rgba(60, 64, 67, .16)}[data-theme=dark]{--bg: #0b0d12;--card: #16181d;--ink: #e8eaed;--ink-soft: #9aa0a6;--border: #262a33;--hover: #1e2128;--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 4px 16px rgba(0, 0, 0, .3);--shadow-lg: 0 12px 40px rgba(0, 0, 0, .5)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Google Sans,Product Sans,Roboto,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;transition:background .3s,color .3s;overflow-x:hidden}a{text-decoration:none;color:inherit}.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:color-mix(in srgb,var(--bg) 75%,transparent);border-bottom:1px solid transparent;transition:border-color .3s,background .3s}.nav.scrolled{border-bottom-color:var(--border)}.nav-inner{max-width:1080px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px}.brand-dot{width:22px;height:22px;border-radius:50%;background:conic-gradient(from 0deg,#312e81,#4338ca,#0e7490,#6d28d9,#312e81);box-shadow:inset 0 0 0 1px #ffffff1f}.brand-name{font-size:1.2rem;font-weight:600;letter-spacing:-.01em}.brand-accent{color:var(--brand-accent)}.nav-actions{display:flex;align-items:center;gap:10px}.theme-btn{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border:none;border-radius:50%;background:transparent;color:var(--ink-soft);cursor:pointer;transition:background .2s}.theme-btn:hover{background:var(--hover)}.theme-btn svg{width:20px;height:20px}.theme-btn .icon-moon,[data-theme=dark] .theme-btn .icon-sun{display:none}[data-theme=dark] .theme-btn .icon-moon{display:block}.nav-cta{padding:9px 18px;border-radius:22px;background:var(--brand-accent);color:#fff;font-size:.9rem;font-weight:500;transition:transform .15s,box-shadow .2s}.nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 14px #4338ca66}.nav-link{color:var(--ink-soft);font-size:.9rem;font-weight:500;transition:color .15s}.nav-link:hover{color:var(--ink)}.nav-link-register{color:var(--brand-accent)}.nav-loggedin{display:flex;align-items:center;gap:12px}.hidden{display:none}.user-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border:1px solid var(--border);border-radius:999px;font-size:.82rem;color:var(--ink-soft);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-badge:before{content:"";width:8px;height:8px;border-radius:50%;background:#34a853;flex-shrink:0}.hero{position:relative;padding:96px 24px 88px;text-align:center;overflow:hidden}.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.35;pointer-events:none;animation:float 12s ease-in-out infinite}.blob-1{width:380px;height:380px;top:-120px;left:-80px;background:radial-gradient(circle,var(--brand-accent),transparent 70%)}.blob-2{width:420px;height:420px;bottom:-160px;right:-100px;background:radial-gradient(circle,var(--brand-accent-2),transparent 70%);animation-delay:-6s}@keyframes float{0%,to{transform:translate(0) scale(1)}50%{transform:translate(30px,-20px) scale(1.08)}}.hero-inner{position:relative;max-width:720px;margin:0 auto}.hero-pill{display:inline-block;padding:6px 14px;border:1px solid var(--border);border-radius:999px;font-size:.8rem;color:var(--ink-soft);margin-bottom:22px;animation:rise .6s ease backwards}.hero-title{font-size:clamp(2.2rem,6vw,3.4rem);line-height:1.1;font-weight:700;letter-spacing:-.03em;margin:0 0 20px;animation:rise .6s .08s ease backwards}.grad{background:linear-gradient(90deg,var(--brand-accent),var(--brand-accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.hero-sub{max-width:560px;margin:0 auto 30px;color:var(--ink-soft);font-size:1.1rem;line-height:1.6;animation:rise .6s .16s ease backwards}.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;animation:rise .6s .24s ease backwards}@keyframes rise{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 26px;border-radius:26px;font-size:1rem;font-weight:500;transition:transform .15s,box-shadow .2s,background .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--brand-accent);color:#fff;box-shadow:0 6px 20px #4338ca59}.btn-primary:hover{box-shadow:0 10px 28px #4338ca73}.btn-ghost{border:1px solid var(--border);background:var(--card)}.btn-ghost:hover{background:var(--hover)}.btn-lg{padding:15px 34px;font-size:1.05rem}.section{max-width:1080px;margin:0 auto;padding:72px 24px}.section-title{font-size:1.9rem;font-weight:700;letter-spacing:-.02em;margin:0 0 10px;text-align:center}.section-sub{text-align:center;color:var(--ink-soft);margin:0 0 40px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.feature{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:28px 24px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,border-color .25s,background .3s}.feature:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand-accent) 40%,var(--border))}.feature-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:12px;background:color-mix(in srgb,var(--brand-accent) 12%,transparent);color:var(--brand-accent);margin-bottom:16px}.feature-icon svg{width:22px;height:22px}.feature h3{margin:0 0 8px;font-size:1.1rem;font-weight:600}.feature p{margin:0;color:var(--ink-soft);font-size:.92rem;line-height:1.55}.how{background:transparent}.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}.step{text-align:center;padding:28px 22px;background:var(--card);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);transition:transform .25s,box-shadow .25s,background .3s}.step:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}.step-num{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--brand-accent);color:#fff;font-weight:700;margin-bottom:14px}.step h3{margin:0 0 8px;font-size:1.1rem;font-weight:600}.step p{margin:0;color:var(--ink-soft);font-size:.92rem;line-height:1.55}.code-card{max-width:760px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}.code-head{display:flex;align-items:center;gap:6px;padding:12px 16px;border-bottom:1px solid var(--border)}.dot{width:11px;height:11px;border-radius:50%}.dot.red{background:#f87171}.dot.yellow{background:#fbbf24}.dot.green{background:#34d399}.code-label{margin-left:8px;font-size:.8rem;color:var(--ink-soft)}.code-line{display:block;padding:18px 20px;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.85rem;color:var(--brand-accent);word-break:break-all;line-height:1.6}.cta{text-align:center}.footer{border-top:1px solid var(--border);padding:28px 24px;text-align:center;color:var(--ink-soft);font-size:.85rem}.footer-links{margin:8px 0 0;font-size:.8rem}.footer-links a{color:var(--ink-soft)}.footer-links a:hover{color:var(--brand-accent)}.reveal{opacity:0;transform:translateY(26px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.8,.2,1)}.reveal.visible{opacity:1;transform:translateY(0)}.mono{font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.85em}