:root{--slate-900: #1b2a3f;--slate-800: #2a3f5c;--slate-700: #2f4561;--slate-600: #3b5273;--slate-500: #3f587a;--slate-400: #5e74963b;--indigo: #4f46e5;--indigo-bright: #6366f1;--ink: #0f172a;--body: #334155;--muted: #64748b;--line: #e2e8f0;--bg: #ffffff;--bg-soft: #f8fafc;--hero-grad: linear-gradient(180deg, #3f587a 0%, #2f4561 100%);--radius: 16px;--radius-lg: 28px;--maxw: 1080px;--shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 12px 32px rgba(15, 23, 42, .08);--shadow-soft: 0 1px 2px rgba(15, 23, 42, .04), 0 6px 20px rgba(15, 23, 42, .05);--font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");--glass-blur: blur(20px) saturate(170%);--glass-fill: rgba(255, 255, 255, .55);--glass-border: rgba(255, 255, 255, .7);--glass-highlight: inset 0 1px 0 rgba(255, 255, 255, .6)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{color:var(--ink);line-height:1.1;letter-spacing:-.02em;margin:0 0 .4em}h1{font-size:clamp(2.4rem,6vw,4rem);font-weight:800}h2{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800}h3{font-size:1.2rem;font-weight:700}p{margin:0 0 1rem}a{color:var(--indigo);text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:88px 0}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700;color:var(--indigo);margin-bottom:12px}.lead{font-size:1.2rem;color:var(--muted);max-width:56ch}.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:1rem;padding:14px 22px;border-radius:999px;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}.btn:hover{text-decoration:none;transform:translateY(-1px)}.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--shadow-soft)}.btn-primary:hover{background:#000}.btn-light{background:#ffffff29;backdrop-filter:blur(14px) saturate(160%);-webkit-backdrop-filter:blur(14px) saturate(160%);border:1px solid rgba(255,255,255,.35);color:#fff;box-shadow:inset 0 1px #fff6}.btn-light:hover{background:#ffffff3d}.btn-ghost{color:var(--ink);border:1px solid var(--line);background:#fff}.appstore-badge{border-radius:8.5px;transition:transform .12s ease,box-shadow .12s ease}.appstore-badge:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 8px 22px #00000038}.appstore-badge:focus-visible{outline:3px solid var(--indigo-bright);outline-offset:3px}.site-header{position:sticky;top:0;z-index:20;background:#ffffffb3;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(226,232,240,.7);box-shadow:inset 0 -1px #ffffff80}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.15rem;letter-spacing:-.02em}.brand:hover{text-decoration:none}.nav{display:flex;align-items:center;gap:26px}.nav a{color:var(--body);font-weight:500;font-size:.95rem}.nav a:hover{color:var(--ink);text-decoration:none}@media(max-width:680px){.nav .nav-link{display:none}}.hero{position:relative;isolation:isolate;background:var(--hero-grad);color:#fff;padding:96px 0 104px;text-align:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(55% 45% at 50% -5%,rgba(255,255,255,.16),transparent 70%),radial-gradient(45% 45% at 88% 18%,rgba(99,102,241,.28),transparent 70%),radial-gradient(40% 40% at 10% 90%,rgba(99,102,241,.18),transparent 70%),linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:auto,auto,auto,30px 30px,30px 30px}.hero:after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.06;background-image:var(--grain)}.hero .container{position:relative;z-index:1}.hero h1{color:#fff;max-width:16ch;margin-inline:auto}.hero .lead{color:#ffffffdb;margin:18px auto 0;font-size:1.25rem}.hero .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:34px}.hero .pill{display:inline-flex;gap:7px;align-items:center;background:#ffffff1f;backdrop-filter:blur(12px) saturate(150%);-webkit-backdrop-filter:blur(12px) saturate(150%);border:1px solid rgba(255,255,255,.22);box-shadow:inset 0 1px #ffffff40;color:#fff;padding:8px 16px 8px 13px;border-radius:999px;font-size:.85rem;font-weight:600;margin-bottom:24px}.hero .pill svg{display:block;opacity:.9}.grid{display:grid;gap:24px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media(max-width:880px){.grid-3,.grid-4{grid-template-columns:1fr 1fr}}@media(max-width:560px){.grid-3,.grid-4{grid-template-columns:1fr}}.card{background:var(--glass-fill);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--radius);padding:28px;box-shadow:var(--glass-highlight),var(--shadow-soft)}.card .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(180deg,#4f46e529,#4f46e512);color:var(--indigo);margin-bottom:16px;box-shadow:inset 0 1px #ffffff8c,inset 0 0 0 1px #4f46e51f}.card .ico svg{display:block}.card h3{margin-bottom:6px}.card p{color:var(--muted);margin:0;font-size:.97rem}.soft{background:radial-gradient(70% 60% at 18% 0%,rgba(63,88,122,.07),transparent 60%),radial-gradient(60% 60% at 100% 100%,rgba(99,102,241,.06),transparent 60%),var(--bg-soft)}.center{text-align:center}.center .lead{margin-inline:auto}.steps{counter-reset:step}.step .num{width:36px;height:36px;border-radius:999px;background:var(--ink);color:#fff;font-weight:700;display:grid;place-items:center;margin-bottom:16px}.sci-rows{display:grid;gap:56px;margin-top:56px}.sci-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.sci-row:nth-child(2n) .sci-art{order:2}.sci-art{display:grid;place-items:center;padding:36px;border-radius:var(--radius-lg);background:radial-gradient(80% 80% at 30% 20%,rgba(99,102,241,.1),transparent 70%),var(--bg-soft);border:1px solid var(--line);box-shadow:var(--glass-highlight),var(--shadow-soft)}.sci-art svg{width:100%;max-width:300px;height:auto}.sci-body h3{font-size:1.5rem;margin-bottom:10px}.sci-body p{color:var(--body);font-size:1.05rem;margin:0}.sci-note{margin-top:18px!important;padding-top:14px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem!important}.sci-note cite{display:block;font-style:normal;color:var(--ink);font-weight:600;margin-top:4px}@media(max-width:760px){.sci-rows{gap:40px}.sci-row{grid-template-columns:1fr;gap:22px}.sci-row:nth-child(2n) .sci-art{order:0}}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{cursor:pointer;font-weight:600;color:var(--ink);font-size:1.05rem;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";float:right;color:var(--muted);font-weight:400}.faq details[open] summary:after{content:"–"}.faq details p{margin:12px 0 0;color:var(--muted)}.cta-band{position:relative;isolation:isolate;overflow:hidden;background:var(--hero-grad);color:#fff;border-radius:var(--radius-lg);padding:56px 32px;text-align:center}.cta-band:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(50% 60% at 80% 0%,rgba(99,102,241,.28),transparent 70%),radial-gradient(45% 60% at 0% 100%,rgba(255,255,255,.12),transparent 70%)}.cta-band:after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.06;background-image:var(--grain)}.cta-band h2{color:#fff}.cta-band p{color:#ffffffd9;max-width:48ch;margin:0 auto 24px}.site-footer{border-top:1px solid var(--line);padding:48px 0;color:var(--muted);font-size:.9rem}.site-footer .cols{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:28px}.site-footer a{color:var(--body)}.site-footer .links{display:flex;gap:22px;flex-wrap:wrap}.prose{max-width:720px;margin:0 auto;padding:64px 24px}.prose h1{font-size:clamp(2rem,5vw,2.8rem)}.prose h2{font-size:1.4rem;margin-top:2em}.prose .updated{color:var(--muted);font-size:.9rem;margin-bottom:2.5em}.prose ul{padding-left:1.2em}.prose li{margin-bottom:.5em}