@import url('https://fonts.googleapis.com/css2?family=Archivo:wdth,wght@75..125,300..900&family=JetBrains+Mono:wght@400;500;700&display=swap');
:root{color-scheme:dark;--bg:#020203;--ink:#f5f3f1;--muted:#aaa7a7;--accent:#ff4050;--mono:'JetBrains Mono',monospace}
*{box-sizing:border-box}
html{scrollbar-gutter:stable}
html,body{min-width:320px;min-height:100%;scroll-behavior:auto}
body{position:relative;margin:0;overflow-x:hidden;background:var(--bg);color:var(--ink);font-family:'Archivo',sans-serif;font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;z-index:1;background:radial-gradient(circle at center,rgba(2,2,3,.34) 0%,rgba(2,2,3,.62) 72%,rgba(2,2,3,.84) 100%),linear-gradient(180deg,rgba(2,2,3,.26),rgba(2,2,3,.58));pointer-events:none}
.background-video{position:fixed;inset:0;z-index:0;display:block;width:100%;height:100%;object-fit:cover;object-position:center;background:var(--bg);filter:saturate(.72) contrast(.96) brightness(.7);pointer-events:none}
.page-shell{position:relative;z-index:2;width:min(1440px,calc(100vw - 48px));min-height:100svh;margin-inline:auto}
.site-header{position:fixed;top:0;left:0;z-index:10;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;width:100%;height:92px;padding-inline:max(24px,calc((100% - 1440px)/2 + 24px));background:linear-gradient(180deg,rgba(2,2,3,.96),rgba(2,2,3,.78) 72%,transparent)}
.brand-link{display:block;line-height:0}
.site-logo{display:block;width:clamp(158px,15vw,210px);height:auto}
.site-nav{display:flex;align-items:center;justify-content:center;gap:6px}
.site-nav a{display:inline-flex;align-items:center;justify-content:center;min-width:72px;height:40px;padding:0 10px;color:var(--muted);font:600 .72rem/1 var(--mono);letter-spacing:.06em;text-align:center;text-decoration:none;text-transform:uppercase;transition:color .16s ease,background-color .16s ease}
.site-nav a:hover,.site-nav a[aria-current="true"]{color:var(--ink);background:rgba(245,243,241,.08)}
.top-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border:1px solid rgba(245,243,241,.55);background:rgba(2,2,3,.45);color:var(--ink);font:500 .72rem/1 var(--mono);letter-spacing:.06em;text-decoration:none;text-transform:uppercase;transition:border-color .16s ease,color .16s ease,background-color .16s ease}
.site-header>.top-link{justify-self:end}
.top-link:hover{border-color:var(--accent);background:rgba(226,31,47,.14);color:var(--accent)}
@media(min-width:761px){.site-nav,.site-header>.top-link{transform:translateY(-4px)}}
.site-footer{display:flex;align-items:center;justify-content:center;min-height:54px;color:rgba(245,243,241,.7);font:400 .7rem/1 var(--mono);letter-spacing:.05em}
::selection{background:var(--accent);color:var(--bg)}
button,a{-webkit-tap-highlight-color:transparent}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:6px}
.hero{min-height:100svh;display:grid;place-items:center;padding:140px 40px 80px;text-align:center;scroll-margin-top:92px}
.hero-copy{width:100%;max-width:940px;min-width:0}
h1,h2{margin:0;font-weight:850;text-transform:uppercase;font-stretch:84%;font-variation-settings:'wdth' 84;line-height:.96;letter-spacing:-.04em;text-wrap:balance}
h1{font-size:clamp(56px,7vw,96px)}
em{font-style:normal;color:var(--accent)}
p{color:var(--muted);margin:0 auto 22px}
.lead{font-family:var(--mono);font-size:14px;letter-spacing:.04em;text-transform:uppercase;margin-top:27px;color:var(--ink)}
.description{max-width:650px}
.actions{display:flex;justify-content:center;align-items:center;gap:25px;margin-top:30px;flex-wrap:wrap}
.button,.text-link{font-family:var(--mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:16px;color:var(--ink);text-decoration:none;border-radius:0;line-height:1.7}
.button{background:transparent;border:1px solid var(--ink);padding:16px 24px;font-weight:700;transition:background .2s,color .2s,border-color .2s}
.button:hover{background:#e21f2f20;color:var(--accent);border-color:var(--accent)}
.text-link{background:none;border:0;padding:10px 0;font-weight:600}
.text-link:hover{color:var(--accent)}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.fine{font-family:var(--mono);font-size:12px;margin-top:17px;margin-bottom:0}
.content-section{display:grid;align-content:center;width:min(1060px,100%);min-height:100svh;margin:0 auto;padding:140px 48px 112px;scroll-margin-top:0;background:transparent;border-top:1px solid rgba(245,243,241,.18)}
.section-heading{display:grid;justify-items:center;gap:22px;margin-bottom:60px;text-align:center}
.section-heading h2{max-width:14ch;font-size:clamp(42px,5vw,72px)}
.section-heading>p{max-width:46ch;margin:0;color:var(--muted)}
.guide-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;counter-reset:steps}
.guide-steps li{counter-increment:steps;padding:0 32px;border-left:1px solid rgba(245,243,241,.24)}
.guide-steps li::before{content:'0' counter(steps);display:block;margin-bottom:28px;color:var(--accent);font:700 .75rem/1 var(--mono);letter-spacing:.08em}
.guide-steps strong{display:block;margin-bottom:12px;font-size:22px;line-height:1.2}
.guide-steps p{margin:0;color:var(--muted)}
.faq-list{width:min(820px,100%);margin-inline:auto}
.faq-list details{border-bottom:1px solid rgba(245,243,241,.28)}
.faq-list details:first-child{border-top:1px solid rgba(245,243,241,.28)}
.faq-list summary{position:relative;padding:24px 52px 24px 0;cursor:pointer;color:var(--ink);font-size:20px;font-weight:650;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:'+';position:absolute;right:8px;color:var(--accent);font:400 28px/1 var(--mono);transition:transform .18s ease}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list details p{max-width:70ch;margin:0;padding:0 52px 24px 0;color:var(--muted)}
.faq-answer{padding:0 52px 24px 0}
.faq-list .faq-answer p{padding:0}
.faq-answer p:last-child{margin-bottom:0}
.route-list{display:grid;gap:6px;margin:-4px 0 22px;padding-left:20px;color:var(--muted)}
.route-list code,.faq-answer p code{color:var(--ink);font-family:var(--mono);font-size:.86em}
.formula{display:block;margin:-4px 0 22px;color:var(--ink);font:500 .82rem/1.9 var(--mono);white-space:normal}
.formula sup{color:var(--accent);font-size:.72em}
dialog{background:#0e0c0e;color:var(--ink);border:1px solid #51474a;padding:32px;width:min(620px,calc(100% - 40px));max-height:calc(100svh - 40px);overflow:auto}
dialog::backdrop{background:#000b}
dialog h2{font-size:30px;line-height:1.1;margin-bottom:24px}
dialog p{max-width:65ch}
dialog form{margin-top:28px}
@media(max-width:760px){.page-shell{width:min(calc(100% - 32px),620px)}.site-header{grid-template-columns:auto 1fr;height:78px;padding:0 16px;background:rgba(2,2,3,.94)}.site-logo{width:120px}.site-nav{justify-content:flex-end;gap:0}.site-nav a{min-width:auto;height:40px;padding:0 9px;font-size:.66rem}.site-header>.top-link{display:none}.hero{padding:126px 4px 64px}.hero h1{font-size:clamp(42px,12vw,76px)}.lead{font-size:12px;line-height:1.8}.description{font-size:15px}.actions{gap:14px;flex-direction:column}.fine{max-width:300px}.content-section{min-height:100svh;padding:112px 20px 80px}.section-heading{gap:18px;margin-bottom:44px}.section-heading h2{font-size:clamp(38px,11vw,54px)}.guide-steps{grid-template-columns:1fr;gap:40px}.guide-steps li{padding:0 0 0 20px}.guide-steps li::before{margin-bottom:12px}.faq-list summary{font-size:18px}dialog{padding:24px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}