:root{
  --navy:#0A1628; --navy-2:#0B1020; --panel:#10203a; --panel-2:#13284a;
  --line:rgba(94,234,255,.16); --teal:#2ee6e6; --cyan:#5eeaff; --teal-deep:#14b8c4;
  --text:#e6f6fb; --muted:#9db4c6; --dim:#6f8699;
  --radius:18px; --max:1160px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--navy-2)}
body{margin:0;font-family:var(--font);color:var(--text);line-height:1.6;
  background:radial-gradient(1200px 700px at 70% -10%,rgba(46,230,230,.14),transparent 60%),
             radial-gradient(900px 600px at -10% 30%,rgba(94,234,255,.07),transparent 60%),
             linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);
  background-color:var(--navy-2);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--cyan)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:12px;background:var(--panel);padding:8px 12px;border-radius:8px;z-index:10}

/* nav */
.nav{position:sticky;top:0;z-index:5;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  background:rgba(10,22,40,.72);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:600;letter-spacing:.32em;font-size:14px}
.brand img{width:34px;height:34px;border-radius:9px;box-shadow:0 0 18px rgba(46,230,230,.35)}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav ul a{color:var(--muted);text-decoration:none;font-size:14px}
.nav ul a:hover{color:var(--cyan)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:12px;text-decoration:none;border-radius:14px;padding:12px 20px;font-weight:600;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn-play{background:#000;color:#fff;border:1px solid rgba(255,255,255,.28);box-shadow:0 0 0 1px rgba(46,230,230,.15),0 8px 30px rgba(46,230,230,.18)}
.btn-play svg{width:26px;height:26px;flex:none}
.btn-play small{display:block;font-size:11px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:#cfd8dc;line-height:1.2}
.btn-play strong{display:block;font-size:18px;line-height:1.2}
.btn-ghost{color:var(--cyan);border:1px solid var(--line);background:rgba(46,230,230,.06)}

/* hero */
.hero{padding:72px 0 56px;position:relative;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{margin:0}
.hero h1 img{width:min(520px,100%);height:auto;filter:drop-shadow(0 0 22px rgba(46,230,230,.25))}
.tagline{font-size:clamp(20px,2.3vw,26px);color:var(--text);margin:22px 0 10px;font-weight:500;letter-spacing:.01em}
.lede{color:var(--muted);max-width:52ch;margin:0 0 28px}
.cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.note{font-size:13px;color:var(--dim);margin-top:14px}
.hero-art{position:relative;z-index:1;display:flex;justify-content:center}
.hero-art::before{content:"";position:absolute;inset:10% 5%;background:radial-gradient(closest-side,rgba(46,230,230,.35),transparent 70%);filter:blur(30px)}
.sine-bg{position:absolute;left:0;right:0;bottom:-8px;height:120px;opacity:.35;pointer-events:none}

/* phone frame */
.phone{position:relative;width:280px;aspect-ratio:9/20;border-radius:40px;padding:10px;
  background:linear-gradient(160deg,#1c2c44,#070d18);border:1px solid rgba(94,234,255,.25);
  box-shadow:0 30px 80px rgba(0,0,0,.55),0 0 40px rgba(46,230,230,.15),inset 0 0 0 2px rgba(255,255,255,.04)}
.phone img{width:100%;height:100%;object-fit:cover;object-position:top;border-radius:31px}
.phone::after{content:"";position:absolute;top:18px;left:50%;width:12px;height:12px;margin-left:-6px;border-radius:50%;background:#02050b;box-shadow:0 0 0 2px #111a29}
.phone.sm{width:220px;border-radius:32px;padding:8px}.phone.sm img{border-radius:25px}.phone.sm::after{top:14px;width:10px;height:10px;margin-left:-5px}

/* sections */
section{padding:84px 0;scroll-margin-top:64px}
.eyebrow{color:var(--teal);font-size:12px;letter-spacing:.28em;text-transform:uppercase;font-weight:600;margin:0 0 10px}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.15;margin:0 0 14px;font-weight:650;letter-spacing:-.01em}
h3{font-size:19px;margin:0 0 8px;font-weight:600}
.sub{color:var(--muted);max-width:62ch;margin:0 0 40px}
.center{text-align:center}.center .sub{margin-left:auto;margin-right:auto}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0}

/* features */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:linear-gradient(180deg,rgba(19,40,74,.75),rgba(16,32,58,.55));border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card p{margin:0;color:var(--muted);font-size:15px}
.icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(46,230,230,.1);border:1px solid rgba(46,230,230,.3);box-shadow:0 0 18px rgba(46,230,230,.15)}
.icon svg{width:22px;height:22px;stroke:var(--cyan);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;padding:0;list-style:none}
.chips li{font-size:13px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--text);background:rgba(10,22,40,.6)}
.showcase{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:56px;justify-items:center}
.showcase figure{margin:0;text-align:center}
.showcase figcaption{margin-top:14px;color:var(--muted);font-size:14px}

/* pricing */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:880px;margin:0 auto}
.plan{position:relative}
.plan .price{font-size:40px;font-weight:700;margin:6px 0 2px}
.plan .price span{font-size:15px;color:var(--muted);font-weight:500}
.plan ul{list-style:none;padding:0;margin:18px 0 0}
.plan li{padding:8px 0 8px 28px;position:relative;color:var(--text);border-top:1px solid rgba(94,234,255,.08)}
.plan li::before{content:"";position:absolute;left:4px;top:15px;width:12px;height:7px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg)}
.plan.pro{border-color:rgba(46,230,230,.55);box-shadow:0 0 50px rgba(46,230,230,.14)}
.badge{position:absolute;top:18px;right:18px;font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:rgba(46,230,230,.14);color:var(--cyan);border:1px solid rgba(46,230,230,.4)}
.fine{font-size:13px;color:var(--dim);margin-top:18px}

/* history */
.timeline{position:relative;max-width:860px;margin:0 auto;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--teal),rgba(46,230,230,.05))}
.tl{position:relative;padding:0 0 30px}
.tl::before{content:"";position:absolute;left:-28px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--navy);border:2px solid var(--teal);box-shadow:0 0 12px rgba(46,230,230,.6)}
.tl .when{color:var(--teal);font-weight:600;font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.tl p{color:var(--muted);margin:4px 0 0}
.sources{max-width:860px;margin:18px auto 0;font-size:13px;color:var(--dim)}
.sources summary{cursor:pointer;color:var(--muted)}
.sources ol{padding-left:20px}
.sources a{color:var(--muted);word-break:break-word}

/* learn */
.articles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article{display:block;text-decoration:none;color:var(--text);min-height:170px;position:relative;overflow:hidden}
.article .tag{font-size:12px;color:var(--teal);letter-spacing:.14em;text-transform:uppercase}
.article h3{font-size:21px;margin-top:10px}
.article .soon{position:absolute;bottom:20px;left:24px;font-size:13px;color:var(--dim)}
.article svg.wave{position:absolute;right:-10px;bottom:-6px;width:160px;opacity:.35}

/* faq */
.faq{max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:14px;background:rgba(16,32,58,.5);margin-bottom:12px}
.faq summary{cursor:pointer;list-style:none;padding:18px 52px 18px 22px;font-weight:600;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:22px;top:14px;font-size:22px;color:var(--teal);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0;padding:0 22px 20px;color:var(--muted)}

/* footer */
footer{border-top:1px solid var(--line);padding:48px 0 40px;margin-top:20px;background:rgba(6,12,24,.5)}
footer .wrap{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start}
footer nav a{color:var(--muted);text-decoration:none;margin-right:20px;font-size:14px}
footer nav a:hover{color:var(--cyan)}
.disclaimer{grid-column:1/-1;font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:12px;padding:12px 16px;background:rgba(46,230,230,.04)}
.copy{font-size:13px;color:var(--dim)}
.mock-flag{position:fixed;bottom:12px;right:12px;z-index:9;font-size:11px;letter-spacing:.1em;text-transform:uppercase;background:rgba(10,22,40,.85);border:1px solid var(--line);color:var(--muted);padding:5px 10px;border-radius:999px}

/* prose page */
.prose{max-width:760px;margin:0 auto;padding:56px 24px 80px}
.prose h1{font-size:clamp(30px,4vw,42px);margin:0 0 6px}
.prose h2{font-size:22px;margin:36px 0 8px}
.prose p,.prose li{color:var(--muted)}
.prose .draft{display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);border:1px solid var(--line);border-radius:999px;padding:3px 10px;margin-bottom:18px}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0}
.prose th,.prose td{text-align:left;padding:10px 8px;border-top:1px solid var(--line);vertical-align:top;color:var(--muted)}
.prose th{color:var(--text);font-weight:600;width:32%}

@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;text-align:center}
  .hero h1 img{margin:0 auto}.lede{margin-left:auto;margin-right:auto}.cta{justify-content:center}
  .feature-grid,.articles{grid-template-columns:1fr 1fr}
  .showcase{grid-template-columns:1fr 1fr;row-gap:36px}
  .nav ul{display:none}
}
@media (max-width:620px){
  section{padding:60px 0}.hero{padding:44px 0 36px}
  .feature-grid,.articles,.plans{grid-template-columns:1fr}
  .phone{width:230px}.phone.sm{width:150px;border-radius:24px;padding:6px}.phone.sm img{border-radius:19px}
  .showcase{gap:16px}
  footer .wrap{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

.btn.is-soon{cursor:default}.btn.is-soon:hover{transform:none}