:root{
  --bg:#0a0c12; --bg2:#0f131c; --panel:#141926; --line:#232a3a;
  --ink:#eef1f7; --soft:#a3adc2; --dim:#6b7488;
  --brand:#2f6bff; --brand2:#57c7ff; --accent:#2dd4bf;
  --radius:16px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
svg{display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.15;margin:0;letter-spacing:-.02em}
.grad{background:linear-gradient(100deg,var(--brand),var(--brand2) 55%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}

.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:15px;padding:12px 20px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:.18s}
.btn svg{width:17px;height:17px}
.btn-primary{background:linear-gradient(100deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 8px 30px -8px rgba(47,107,255,.6)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 36px -8px rgba(47,107,255,.75)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--soft);background:rgba(255,255,255,.03)}

/* nav */
header{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(10,12,18,.72);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:20px;letter-spacing:-.03em;display:flex;align-items:center;gap:9px}
.logo .dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(100deg,var(--brand),var(--accent))}
.logo .mark{width:26px;height:auto;display:block}
.navlinks{display:flex;gap:28px;align-items:center}
.navlinks a{color:var(--soft);font-size:15px;font-weight:500}
.navlinks a:hover,.navlinks a.active{color:var(--ink)}
.navcta{display:flex;gap:10px;align-items:center}
@media(max-width:820px){.navlinks{display:none}.navcta .btn-ghost{display:none}}

/* hero + subhero */
.hero{position:relative;overflow:hidden;padding:96px 0 72px}
.hero::before,.subhero::before{content:"";position:absolute;inset:0;background:radial-gradient(680px 420px at 72% -8%,rgba(56,150,255,.22),transparent 60%),radial-gradient(620px 420px at 8% 12%,rgba(52,213,181,.12),transparent 55%);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-size:54px;font-weight:800;margin:18px 0 20px}
.hero p.lede{font-size:19px;color:var(--soft);max-width:540px;margin:0 0 30px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin-top:16px;color:var(--dim);font-size:14px}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:36px}.hero h1{font-size:38px}}
.subhero{position:relative;overflow:hidden;padding:80px 0 40px;text-align:center}
.subhero h1{position:relative;font-size:46px;font-weight:800;margin:14px 0 16px}
.subhero p{position:relative;color:var(--soft);font-size:19px;max-width:620px;margin:0 auto}
@media(max-width:900px){.subhero h1{font-size:34px}}

/* code card */
.code{background:#0b0e16;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,0,0,.7)}
.code .tabs{display:flex;gap:2px;background:#0e1220;border-bottom:1px solid var(--line);padding:6px 6px 0}
.code .tabs button{background:transparent;border:0;color:var(--dim);font:inherit;font-size:13px;font-weight:600;padding:9px 14px;border-radius:9px 9px 0 0;cursor:pointer}
.code .tabs button.active{color:var(--ink);background:#0b0e16}
.code pre{margin:0;padding:20px;overflow:auto;font-family:"SF Mono",ui-monospace,Menlo,Consolas,monospace;font-size:13.5px;line-height:1.7;color:#d6def0}
.code pre .k{color:#8b9bff}.code pre .s{color:#7fdcc0}.code pre .c{color:#616b85}
.code-body>div{display:none}.code-body>div.active{display:block}

/* sections */
section{padding:78px 0}
.sec-head{max-width:640px;margin:0 auto 46px;text-align:center}
.sec-head h2{font-size:38px;font-weight:800;margin:12px 0}
.sec-head p{color:var(--soft);font-size:17px;margin:0}
@media(max-width:900px){.sec-head h2{font-size:29px}}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg2)}
.strip .wrap{display:flex;flex-wrap:wrap;gap:14px 34px;justify-content:center;align-items:center;padding:20px 24px;color:var(--soft);font-size:14.5px;font-weight:500}
.strip b{color:var(--ink);font-weight:600}
.strip .it{display:flex;align-items:center;gap:9px}
.strip .it svg{width:18px;height:18px;color:var(--accent)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.cards{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.2s}
.card:hover{border-color:#33405c;transform:translateY(-2px)}
.card .ico{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(47,107,255,.22),rgba(52,213,181,.16));border:1px solid rgba(139,155,255,.18);margin-bottom:16px;color:#c7d0ff}
.card .ico svg{width:23px;height:23px}
.card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.card p{color:var(--soft);font-size:15px;margin:0}
.card .live{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:12px;font-weight:600;color:var(--accent);border:1px solid rgba(52,213,181,.35);border-radius:20px;padding:3px 10px}
.card .live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* pricing tiers */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:980px;margin:0 auto;align-items:stretch}
@media(max-width:820px){.tiers{grid-template-columns:1fr;max-width:420px}}
.tier{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:30px 26px;display:flex;flex-direction:column}
.tier.featured{border-color:#3a4a78;background:linear-gradient(180deg,#17203a,#0f1320);box-shadow:0 40px 90px -40px rgba(47,107,255,.45);position:relative}
.tier .badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:linear-gradient(100deg,var(--brand),var(--brand2));color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 13px;border-radius:20px}
.tier h3{font-size:19px;font-weight:700}
.tier .p{font-size:40px;font-weight:800;letter-spacing:-.03em;margin:12px 0 2px}
.tier .p small{font-size:15px;color:var(--soft);font-weight:600}
.tier .who{color:var(--dim);font-size:13.5px;min-height:40px;margin-bottom:6px}
.tier ul{list-style:none;padding:0;margin:16px 0 22px;flex:1}
.tier li{padding:7px 0;color:var(--soft);display:flex;gap:9px;font-size:14px;align-items:flex-start}
.tier li svg{width:16px;height:16px;color:var(--accent);flex-shrink:0;margin-top:3px}
.price-foot{text-align:center;color:var(--soft);margin:26px auto 0;font-size:15px}
.price-foot b{color:var(--ink)}

.addons{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:900px;margin:36px auto 0}
@media(max-width:820px){.addons{grid-template-columns:1fr}}
.addon{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px;text-align:left}
.addon .price-tag{font-size:24px;font-weight:800;letter-spacing:-.03em;margin-bottom:4px}
.addon .price-tag small{font-size:14px;color:var(--soft);font-weight:600}
.addon h4{margin:0 0 6px;font-size:16px;font-weight:700}
.addon p{margin:0;color:var(--soft);font-size:14px}

/* feature rows (platform page) */
.frow{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;padding:44px 0;border-bottom:1px solid var(--line)}
.frow:last-child{border-bottom:0}
.frow.flip .fr-media{order:-1}
.frow h3{font-size:26px;font-weight:800;margin:10px 0 12px}
.frow p{color:var(--soft);font-size:16px;margin:0 0 16px}
.frow ul{list-style:none;padding:0;margin:0}
.frow li{color:var(--soft);padding:6px 0;display:flex;gap:9px;font-size:15px}
.frow li svg{width:17px;height:17px;color:var(--accent);flex-shrink:0;margin-top:4px}
.fr-media{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);min-height:220px;display:grid;place-items:center;overflow:hidden}
.fr-media svg{width:88px;height:88px;color:#3f4c6b}
@media(max-width:820px){.frow{grid-template-columns:1fr;gap:20px}.frow.flip .fr-media{order:0}}

/* faq */
.faq{max-width:760px;margin:0 auto}
details{border:1px solid var(--line);border-radius:12px;padding:0 20px;margin-bottom:10px;background:var(--panel)}
details summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:600;display:flex;justify-content:space-between;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";color:var(--soft);font-size:20px}
details[open] summary::after{content:"\2013"}
details p{color:var(--soft);margin:0 0 18px;font-size:15px}

/* final cta */
.final{position:relative;text-align:center;border-radius:26px;padding:64px 28px;overflow:hidden;background:linear-gradient(120deg,#141a2e,#0f1320);border:1px solid var(--line)}
.final::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 300px at 50% -20%,rgba(56,150,255,.3),transparent 60%)}
.final h2{position:relative;font-size:36px;font-weight:800;margin-bottom:14px}
.final p{position:relative;color:var(--soft);margin:0 auto 26px;max-width:480px}

footer{border-top:1px solid var(--line);padding:40px 0;color:var(--dim);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;align-items:center}
footer a{color:var(--soft)}footer a:hover{color:var(--ink)}
footer .fl{display:flex;gap:22px;flex-wrap:wrap}