:root{--or:#FF6D00;--or2:#FF8A00;--ink:#111;--ink2:#1b1b1b;--mute:#6b6b6b;--bg:#fff;--soft:#f5f5f3;--line:#e3e3e0}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;height:auto}
h1,h2,h3{line-height:1.08;margin:0;letter-spacing:-.02em}
h1,h2{text-transform:uppercase}
.w{max-width:1160px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:50;background:#fff;padding:8px 12px}
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand img{height:46px;width:auto;display:block}
.wordmark{font-weight:800;letter-spacing:.08em}
nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;align-items:center}
nav a{text-decoration:none;font-size:14px;font-weight:600}
nav a:not(.btn):hover{color:var(--or)}
.menu-btn{display:none;background:none;border:1px solid var(--ink);border-radius:4px;padding:8px 12px;font:inherit;font-weight:700;color:var(--ink)}
@media(max-width:960px){.menu-btn{display:block}nav ul{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;flex-direction:column;align-items:flex-start;gap:14px;padding:18px 20px;border-bottom:1px solid var(--line)}nav ul.open{display:flex}}
.btn{display:inline-block;padding:13px 24px;border-radius:4px;font-weight:700;text-decoration:none;border:2px solid var(--or);background:var(--or);color:#111;transition:background .2s,transform .2s;cursor:pointer;font:inherit;font-weight:700;font-size:15px}
.btn:hover{background:var(--or2);transform:translateY(-1px)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-ghost{background:transparent;color:#fff}.btn-ghost:hover{background:#ffffff14}
.btn-line{background:transparent;color:var(--ink)}.btn-line:hover{background:#ff6d0014}
.btn[disabled]{opacity:.6;cursor:wait}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.tag{display:inline-block;color:var(--or);font-weight:700;letter-spacing:.14em;font-size:13px;margin-bottom:14px}
section{padding:88px 0}
.alt{background:var(--soft)}
.dark{background:var(--ink);color:#fff}
h2{font-size:clamp(28px,4.4vw,46px);max-width:820px;margin-bottom:20px}
.intro{max-width:720px;color:var(--mute)}
.dark .intro,.dark .small{color:#bdbdbd}
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden;padding:104px 0 96px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center}
@media(max-width:1000px){.hero-grid{grid-template-columns:1fr}}
.hero-art{margin:0;width:100%;max-width:520px;justify-self:end}
@media(max-width:1000px){.hero-art{justify-self:center;max-width:420px;margin-top:8px}}
.hero-art svg{display:block;width:100%;height:auto;overflow:visible}
.hero-art .orbit{fill:none;stroke:#fff;stroke-opacity:.14;stroke-dasharray:2 7}
.hero-art .links path{fill:none;stroke:#FF6D00;stroke-opacity:.45;stroke-width:1.5}
.hero-art .flow path{fill:none;stroke:#FFB37A;stroke-width:3;stroke-linecap:round;stroke-dasharray:2 22;animation:flow 2.4s linear infinite}
@keyframes flow{to{stroke-dashoffset:-48}}
.hero-art .sea{fill:#1b1b1b}
.hero-art .grid-lines ellipse,.hero-art .grid-lines line{fill:none;stroke:#fff;stroke-opacity:.16;stroke-width:1.2}
.hero-art .equator{fill:none;stroke:#FF6D00;stroke-width:2.5}
.hero-art .rim{fill:none;stroke:#FF6D00;stroke-width:2.5}
.hero-art .node circle{fill:#111;stroke:#FF6D00;stroke-width:2.5}
.hero-art .node text{fill:#FF6D00;font:800 17px system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;text-anchor:middle}
.hero-art .label{fill:#e6e6e6;font:600 17px system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;text-anchor:middle;letter-spacing:.02em}
@media(prefers-reduced-motion:reduce){.hero-art .flow path{animation:none}}
.hero h1{font-size:clamp(40px,6vw,74px)}
.hero h1 em{color:var(--or);font-style:normal;display:block}
.lead{max-width:600px;color:#d8d8d8;font-size:18px;margin-top:22px}
.note{max-width:600px;color:#9a9a9a;font-size:14px;margin:8px 0 0}
.two{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:820px){.two{grid-template-columns:1fr}}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));margin-top:30px}
.grid.n3,.grid.n6{grid-template-columns:repeat(3,1fr)}
.grid.n4{grid-template-columns:repeat(4,1fr)}
.grid.n5{grid-template-columns:repeat(5,1fr)}
@media(max-width:1100px){.grid.n5{grid-template-columns:repeat(6,1fr)}.grid.n5>*{grid-column:span 2}.grid.n5>:nth-child(4){grid-column:2/4}.grid.n5>:nth-child(5){grid-column:4/6}}
@media(max-width:900px){.grid.n4,.grid.n6{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid.n3,.grid.n4,.grid.n5,.grid.n6{grid-template-columns:1fr}.grid.n5>*,.grid.n5>:nth-child(n){grid-column:auto}}
.two .grid{margin-top:0;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.card{border:1px solid var(--line);background:var(--bg);padding:24px;border-radius:6px;border-top:3px solid var(--or);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #0000000f}
.card h3{font-size:18px;margin:6px 0 8px}
.card p{margin:0;font-size:15px;color:#444}
.num{color:var(--or);font-weight:800}
.ip-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.ip{display:flex;flex-direction:column}
.ip img,.ip-blank{width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--soft);border-radius:4px;margin-bottom:14px}
.ip .more{margin-top:auto;padding-top:12px;color:var(--or);font-weight:700;text-decoration:none;font-size:14px}
.flow{list-style:none;margin:34px 0 0;padding:0;display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));counter-reset:s}
.flow li{counter-increment:s;background:var(--ink2);border:1px solid #2e2e2e;border-left:3px solid var(--or);border-radius:6px;padding:18px;font-weight:700;text-transform:uppercase;font-size:14px;letter-spacing:.04em}
.flow li::before{content:counter(s,decimal-leading-zero);display:block;color:var(--or);font-size:13px;margin-bottom:6px}
.chips{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:10px}
.chips li{border:1px solid #3a3a3a;border-radius:999px;padding:8px 16px;font-size:14px}
.chips-light li{border-color:var(--line);background:var(--soft);font-weight:600}
.small{font-size:13px;color:var(--mute);margin-top:22px}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.checks li{padding:16px 18px 16px 48px;border:1px solid var(--line);border-radius:6px;position:relative;font-weight:600}
.checks li::before{content:"";position:absolute;left:18px;top:50%;width:14px;height:14px;margin-top:-7px;border-radius:50%;background:var(--or)}
.closing{max-width:760px;margin-top:30px;font-size:18px;font-weight:600}
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px;max-width:820px;margin-top:30px;position:relative}
@media(max-width:640px){.form{grid-template-columns:1fr}}
.f{display:flex;flex-direction:column;gap:6px}.wide{grid-column:1/-1}
.f label{font-size:14px;font-weight:600}
.f input,.f select,.f textarea{font:inherit;padding:12px 14px;border:1px solid #cfcfcb;border-radius:4px;background:#fff;color:var(--ink)}
.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--or);outline-offset:1px;border-color:transparent}
.f [aria-invalid=true]{border-color:#c62828}
.err{color:#c62828;font-size:13px;min-height:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-msg{grid-column:1/-1;margin:0;padding:12px 14px;border-radius:4px}
.form-msg.ok{background:#e6f6e6;color:#1d5a1d}.form-msg.bad{background:#fde8e8;color:#8a1f1f}
.doc{padding:64px 0 88px}
.prose{max-width:820px}
.prose h1{font-size:clamp(28px,4vw,40px);margin-bottom:12px}
.prose h2{font-size:22px;text-transform:none;margin:34px 0 10px}
.prose h3{font-size:18px;margin:24px 0 8px}
.prose a{color:#c45400}
.prose li{margin:6px 0}
.foot{background:var(--ink);color:#bdbdbd;padding:56px 0 40px;font-size:14px}
.foot-logo{height:56px;width:auto}
.foot-text{max-width:560px;margin-top:16px}
.foot a{color:#fff;text-decoration:none;margin-right:18px}.foot a:hover{color:var(--or)}
.foot-small{font-size:12px;color:#8a8a8a;line-height:1.9}