:root{--bg:#f4f4f4;--ink:#0a0a0a;--mute:#6b6b6b;--line:#e3e3e3;--card:#fff;--ok:#16a34a;--bad:#dc2626;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.55 Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:inherit}
.nav{position:fixed;inset:0 0 auto;height:72px;background:#000;z-index:20;display:flex;align-items:center}
.nav .in{width:min(1100px,92%);margin:auto;display:flex;align-items:center;justify-content:space-between}
.nav img{height:34px;display:block}
.nav nav{display:flex;gap:26px;align-items:center}
.nav a{color:#fff;text-decoration:none;font-weight:600;font-size:14px;opacity:.9}.nav a:hover{opacity:1}
.btn{display:inline-block;border:0;cursor:pointer;font:600 14px/1 inherit;font-family:inherit;padding:12px 20px;border-radius:999px;background:var(--ink);color:#fff;text-decoration:none;transition:.15s}
.btn:hover{transform:translateY(-1px);opacity:.88}
.btn.light{background:#fff;color:#000;box-shadow:0 10px 30px rgba(0,0,0,.18)}.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.sm{padding:9px 14px;font-size:13px}.btn.danger{background:#fff;color:var(--bad);border:1px solid #f3c5c5}
.nav .btn{background:#fff;color:#000;padding:10px 18px}
/* hero */
.hero{position:relative;min-height:100vh;overflow:hidden;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;padding-top:72px;
 background:#f1f1f1 radial-gradient(#d9d9d9 1px,transparent 1.2px) 0 0/5px 5px}
.hero .we{font-size:clamp(56px,10vw,132px);font-weight:800;letter-spacing:-.04em;color:#000;margin:clamp(24px,5vh,60px) 0 0;line-height:1}
.stack{display:flex;justify-content:center;width:100%;margin-top:clamp(10px,3vh,34px)}
.stack .box{background:#000;padding:clamp(10px,1.5vw,20px) clamp(18px,2.6vw,36px) clamp(8px,1.2vw,16px);display:flex}
.stack .box img{display:block;width:clamp(220px,40vw,540px);height:auto}
.hero .cta{margin-top:clamp(28px,6vh,64px);position:relative;z-index:2}
.wave{position:absolute;left:0;right:0;bottom:0;height:34vh;min-height:230px}
.wave svg{position:absolute;inset:0;width:100%;height:100%}
.wave .foot{position:absolute;left:0;right:0;bottom:26px;width:min(900px,90%);margin:auto;display:flex;justify-content:space-between;color:#fff;font-size:14px;gap:12px;flex-wrap:wrap}
.wave .foot a{font-weight:700;text-decoration:none}
/* sections */
section.s{padding:110px 0;background:#fff}section.s.alt{background:var(--bg)}
.wrap{width:min(1100px,92%);margin:auto}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
h2{font-size:clamp(32px,5vw,56px);letter-spacing:-.035em;line-height:1.05;margin:10px 0 18px}
.lead{font-size:20px;color:#444;max-width:640px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;margin-top:40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px}
.card h3{margin:0 0 6px;font-size:19px;letter-spacing:-.02em}.card p{margin:0;color:var(--mute);font-size:15px}
footer{background:#000;color:#fff;padding:34px 0;font-size:14px}footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
/* app pages */
.app{padding:108px 0 70px;min-height:100vh}
.title{display:flex;justify-content:space-between;align-items:end;gap:16px;flex-wrap:wrap;margin-bottom:26px}
.title h1{margin:0;font-size:clamp(28px,4vw,40px);letter-spacing:-.035em;line-height:1.1}
.title p{margin:4px 0 0;color:var(--mute)}
input[type=text],input[type=password],input[type=search]{width:100%;font:inherit;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:#fff;outline:none;transition:.15s}
input:focus{border-color:#000;box-shadow:0 0 0 3px rgba(0,0,0,.08)}
label.f{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}
.login{max-width:400px;margin:0 auto}.login .card{padding:32px}
.err{color:var(--bad);font-size:14px;min-height:20px;margin-top:12px}
.link{display:flex;gap:8px;margin-top:14px}.link input{font-size:13px;font-family:ui-monospace,Menlo,monospace;color:#333;background:#fafafa}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;align-items:center}
.pill{display:inline-block;font-size:12px;font-weight:600;padding:5px 10px;border-radius:999px;background:#efefef;margin:2px 4px 2px 0}
.pill.on{background:#000;color:#fff}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);background:#fafafa}
tr:last-child td{border-bottom:0}
.checks{display:flex;gap:8px;flex-wrap:wrap}
.checks label{display:flex;gap:8px;align-items:center;border:1px solid var(--line);padding:9px 13px;border-radius:12px;font-size:14px;cursor:pointer;background:#fff;user-select:none}
.checks input{accent-color:#000}
.two{display:grid;grid-template-columns:340px 1fr;gap:22px;align-items:start}
@media(max-width:860px){.two{grid-template-columns:1fr}.nav nav a:not(.btn){display:none}}
.banner{background:#fff4e5;border:1px solid #ffd8a8;color:#7a4300;padding:12px 16px;border-radius:12px;margin-bottom:18px;font-size:14px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#000;color:#fff;padding:12px 18px;border-radius:999px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.25s;z-index:50}
.toast.show{opacity:1}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;z-index:40;padding:16px}.modal.show{display:flex}
.modal .card{width:min(460px,100%)}