:root{--bg:#0b1020;--bg2:#111833;--panel:#151d3b;--line:#26305a;--text:#e8ecf8;--muted:#9aa5c7;--accent:#4fd1c5;--accent2:#7c8cff;--warn:#f6ad55;--radius:14px;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}a:hover{color:#8ff0e6}
img,svg{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;color:#000;padding:8px;z-index:99}
/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,16,32,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700;letter-spacing:.2px}
.brand svg{width:28px;height:28px}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0;align-items:center}
.nav ul a{color:var(--muted);text-decoration:none;font-size:15px}.nav ul a:hover,.nav ul a[aria-current]{color:var(--text)}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 10px;font-size:15px}
/* buttons */
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-weight:600;text-decoration:none;border:1px solid transparent;transition:.15s;cursor:pointer;font-size:15px}
.btn-primary{background:var(--accent);color:#04201d}.btn-primary:hover{background:#7ae8de;color:#04201d}
.btn-ghost{border-color:var(--line);color:var(--text)}.btn-ghost:hover{border-color:var(--accent);color:var(--text)}
.btn-sm{padding:8px 14px;font-size:14px}
/* hero */
.hero{padding:80px 0 56px;background:radial-gradient(1000px 500px at 80% -10%,rgba(124,140,255,.22),transparent 60%),radial-gradient(800px 400px at 0% 0%,rgba(79,209,197,.14),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.pill{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:4px 12px;margin-bottom:18px}
.pill b{color:var(--warn);font-weight:600}
h1{font-size:clamp(34px,5vw,54px);line-height:1.08;margin:0 0 18px;letter-spacing:-.02em}
h1 em{font-style:normal;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:19px;color:var(--muted);max-width:560px;margin:0 0 28px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap}
.fine{font-size:13px;color:var(--muted);margin-top:14px}
.hero-art{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.hero-art .bar{display:flex;gap:6px;margin-bottom:10px}.hero-art .bar i{width:10px;height:10px;border-radius:50%;background:#2c3766}
.caption{font-size:12px;color:var(--muted);text-align:center;margin:8px 0 0}
/* sections */
section{padding:72px 0}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.eyebrow{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin:0 0 10px}
h2{font-size:clamp(26px,3.4vw,38px);line-height:1.15;margin:0 0 14px;letter-spacing:-.01em}
h3{font-size:18px;margin:0 0 8px}
.section-lead{color:var(--muted);max-width:720px;font-size:17px;margin:0 0 36px}
.grid{display:grid;gap:20px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.card p,.card li{color:var(--muted);font-size:15px}.card p{margin:0}
.card ul{margin:8px 0 0;padding-left:18px}
.icon{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:rgba(79,209,197,.12);color:var(--accent);margin-bottom:14px;font-weight:700}
.steps{counter-reset:s}.step{position:relative;padding-top:46px}
.step:before{counter-increment:s;content:counter(s);position:absolute;top:20px;left:24px;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#071022;font-weight:800;display:grid;place-items:center;font-size:14px}
.step{padding-top:64px}
.flow{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:13px;color:var(--text);background:#0d1430;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-top:28px;overflow-x:auto;white-space:nowrap}
.flow span{color:var(--accent)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.tag{font-size:13px;border:1px solid var(--line);border-radius:999px;padding:3px 10px;color:var(--muted);background:#0f1734}
.tag.preview{border-color:rgba(246,173,85,.5);color:var(--warn)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.checks{list-style:none;padding:0;margin:0}.checks li{padding:10px 0 10px 32px;position:relative;border-bottom:1px solid var(--line);color:var(--muted)}
.checks li b{color:var(--text)}
.checks li:before{content:"";position:absolute;left:4px;top:16px;width:14px;height:8px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
/* pricing */
.plans{display:grid;grid-template-columns:repeat(2,minmax(0,380px));gap:24px;justify-content:center}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:flex;flex-direction:column}
.plan.featured{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.price{font-size:44px;font-weight:800;letter-spacing:-.02em;margin:8px 0 0}.price small{font-size:15px;color:var(--muted);font-weight:500}
.plan ul{list-style:none;padding:0;margin:20px 0 26px;flex:1}.plan li{padding:7px 0 7px 26px;position:relative;color:var(--muted);font-size:15px}
.plan li:before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700}
.note{font-size:13px;color:var(--muted);text-align:center;margin-top:20px}
/* cta */
.cta-box{background:linear-gradient(135deg,rgba(79,209,197,.15),rgba(124,140,255,.15));border:1px solid var(--line);border-radius:20px;padding:44px;display:grid;grid-template-columns:1.1fr 1fr;gap:36px;align-items:start}
form label{display:block;font-size:14px;color:var(--muted);margin:0 0 6px}
form input,form textarea,form select{width:100%;background:#0d1430;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:10px 12px;font:inherit;margin-bottom:14px}
form textarea{min-height:90px;resize:vertical}
.todo{display:inline-block;background:rgba(246,173,85,.15);color:var(--warn);border:1px dashed var(--warn);border-radius:6px;padding:2px 8px;font-size:12px;font-weight:600}
.banner-todo{background:rgba(246,173,85,.12);border:1px dashed var(--warn);color:var(--warn);border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:18px}
/* page */
.page-hero{padding:64px 0 24px}
.prose{max-width:780px}.prose h2{font-size:24px;margin-top:36px}.prose p,.prose li{color:var(--muted)}
.faq details{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:600}.faq p{color:var(--muted);margin:10px 0 0}
table.cmp{width:100%;border-collapse:collapse;font-size:15px}table.cmp th,table.cmp td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}table.cmp th{color:var(--muted);font-weight:600}
/* footer */
footer{border-top:1px solid var(--line);padding:36px 0;color:var(--muted);font-size:14px}
.foot{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.foot nav{display:flex;flex-wrap:wrap;gap:6px 0}.foot a{color:var(--muted);text-decoration:none;margin-left:18px}.foot a:hover{color:var(--text)}
/* responsive */
@media (max-width:960px){.hero-grid,.split,.cta-box{grid-template-columns:1fr}.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){
 .menu-btn{display:block}
 .nav ul{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 24px 16px}
 .nav ul.open{display:flex}.nav ul li{width:100%;padding:10px 0}
 .g2,.g3,.g4,.plans{grid-template-columns:1fr}
 section{padding:56px 0}.hero{padding:48px 0 40px}.cta-box{padding:26px}
 .foot a{margin:0 14px 0 0}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}