:root{--bg-canvas:#0b0b0d;--bg-surface:#18181c;--bg-surface-hover:#202026;--text-primary:#f5f5f4;--text-muted:#a8a8b0;--accent-primary:#dc2626;--accent-secondary:#f59e0b;--tech:#c0c4cc;--border-subtle:rgba(255,255,255,.08);--border-highlight:rgba(220,38,38,.45);--font-sans:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-head:"Arial Narrow","Helvetica Neue",Helvetica,Arial,sans-serif;--font-serif:Georgia,"Times New Roman",serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,monospace;--ease-kinetic:cubic-bezier(.16,1,.3,1);--shadow-elevation:0 20px 40px -15px rgba(0,0,0,.6);--shadow-inner:inset 0 1px 0 rgba(255,255,255,.08);--glow-accent:0 0 30px -5px var(--accent-primary);--glass-backdrop:blur(20px) saturate(190%)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-canvas);color:var(--text-primary);font:16px/1.7 var(--font-sans);overflow-wrap:anywhere;hyphens:auto}
img{display:block;max-width:100%;height:auto}
a{color:#f87171;text-underline-offset:3px}
a:hover{color:var(--text-primary)}
:focus-visible{outline:2px solid var(--accent-secondary);outline-offset:3px}
h1,h2,h3,.eyebrow,.brand,.btn,th,summary{font-family:var(--font-head);text-transform:uppercase;font-weight:700}
h1,h2,h3{line-height:1.15;letter-spacing:.14em;margin:0 0 .6em;overflow-wrap:break-word;hyphens:manual}
h2{font-size:clamp(1.25rem,2.6vw,1.75rem)}
h3{font-size:.95rem;letter-spacing:.12em}
.eyebrow{font-size:.72rem;letter-spacing:.28em;color:var(--tech);margin:0 0 14px}
.eyebrow b{color:var(--accent-primary)}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.prose{max-width:70ch}
.muted{color:var(--text-muted)}
.lead{font-size:1.12rem;color:#d6d6da}
.skip{position:absolute;left:-999px;top:8px;background:var(--bg-surface);padding:8px 14px;z-index:99;color:var(--text-primary)}
.skip:focus{left:8px}
/* header */
.site-header{position:relative;z-index:30;margin-bottom:-76px;background:transparent;border-bottom:1px solid transparent;transition:background .5s var(--ease-kinetic),border-color .5s}
.site-header.is-solid{background:var(--bg-surface);border-color:var(--border-subtle)}
.hdr{display:flex;align-items:center;gap:20px;height:76px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;color:var(--text-primary);text-decoration:none;letter-spacing:.16em;font-size:.85rem;white-space:nowrap}
.brand svg{width:30px;height:30px;flex:none}
.nav ul{display:flex;gap:18px;list-style:none;margin:0;padding:0}
.nav a{position:relative;display:inline-block;padding:6px 0;color:var(--tech);text-decoration:none;font-family:var(--font-head);text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;white-space:nowrap}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--accent-primary);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease-kinetic)}
.nav a:hover,.nav a[aria-current=page]{color:var(--text-primary)}
.nav a:hover::after,.nav a[aria-current=page]::after{transform:scaleX(1)}
.menu-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-highlight);color:var(--text-primary);font-size:1.4rem;line-height:1;cursor:pointer}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border:1px solid var(--accent-primary);border-radius:0;background:transparent;color:var(--text-primary);font-size:.76rem;letter-spacing:.2em;text-decoration:none;cursor:pointer;transition:transform .4s var(--ease-kinetic),box-shadow .4s,background .4s}
.btn:hover{transform:translateY(-3px);background:rgba(220,38,38,.12);box-shadow:var(--shadow-elevation),var(--glow-accent);color:var(--text-primary)}
.btn.ghost{border-color:var(--tech)}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
/* hero */
.hero{position:relative;isolation:isolate;min-height:100vh;min-height:100svh;display:grid;place-items:center;text-align:center;padding:120px 24px 80px;overflow:hidden}
.hero-scene{position:absolute;inset:0;width:100%;height:100%;z-index:-3}
.hero::before,.grid-bg::before{content:"";position:absolute;inset:0;z-index:-2;background-image:linear-gradient(rgba(192,196,204,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(192,196,204,.07) 1px,transparent 1px);background-size:48px 48px;pointer-events:none}
.hero::after{content:"";position:absolute;inset:-10%;z-index:-1;background:radial-gradient(ellipse at 50% 45%,rgba(11,11,13,.55),rgba(11,11,13,.92) 70%),linear-gradient(180deg,rgba(11,11,13,.7),rgba(11,11,13,.5) 40%,#0b0b0d);animation:meshDrift 15s ease infinite alternate}
@keyframes meshDrift{from{transform:translate3d(-2%,-1%,0)}to{transform:translate3d(2%,1%,0)}}
.hero h1{font-size:clamp(2rem,6vw,4.4rem);letter-spacing:.12em;max-width:17ch;margin:0 auto .4em}
.hero .lead{max-width:60ch;margin:0 auto}
.page-head{position:relative;isolation:isolate;padding:160px 0 70px;border-bottom:1px solid var(--border-subtle);overflow:hidden}
.page-head::after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse at 15% 0,rgba(220,38,38,.22),transparent 55%)}
.page-head h1{font-size:clamp(1.9rem,5vw,3.4rem)}
/* timeline */
.route{position:relative;padding:40px 0 80px 64px}
.route::before{content:"";position:absolute;left:15px;top:40px;bottom:80px;width:1px;background:linear-gradient(var(--accent-primary),var(--tech) 55%,transparent)}
.route.narrow{max-width:calc(72ch + 64px);margin:0 auto}
.step{position:relative;padding:56px 0 24px}
.step-mark{position:absolute;left:-64px;top:58px;width:31px;height:31px;display:grid;place-items:center;background:var(--bg-canvas);border:1px solid var(--accent-primary);font:600 .68rem var(--font-mono);color:var(--text-primary);box-shadow:0 0 18px -4px var(--accent-primary)}
.grid-bg{position:relative;isolation:isolate;padding:56px 28px 32px;margin:40px 0;border:1px solid var(--border-subtle);border-radius:20px;background:rgba(24,24,28,.55)}
.grid-bg .step-mark{left:-92px}
/* rows */
.rows{list-style:none;margin:24px 0;padding:0;border-top:1px solid var(--border-subtle)}
.row{position:relative;display:grid;grid-template-columns:44px 1fr auto;gap:20px;align-items:center;padding:20px 6px;border-bottom:1px solid var(--border-subtle);transition:background .4s,transform .4s var(--ease-kinetic)}
.row:hover{background:linear-gradient(90deg,rgba(220,38,38,.08),transparent 70%);transform:translateX(4px)}
.row h3{margin:0}
.row h3 a{color:var(--text-primary);text-decoration:none}
.row h3 a::after{content:"";position:absolute;inset:0}
.row p{margin:4px 0 0;color:var(--text-muted)}
.ico{width:44px;height:44px;display:grid;place-items:center;color:var(--accent-primary)}
.ico svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.num{font:600 .75rem var(--font-mono);color:var(--tech);letter-spacing:.1em}
/* media */
.media{margin:30px 0}
.media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:20px;border:1px solid var(--border-subtle)}
.media figcaption{margin-top:10px;font:.78rem/1.5 var(--font-mono);color:var(--text-muted)}
.panel{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:20px;padding:28px;box-shadow:var(--shadow-inner)}
.callout{margin:28px 0;padding:20px 24px;border-left:4px solid var(--accent-primary);border-radius:0 20px 20px 0;background:rgba(24,24,28,.75);backdrop-filter:var(--glass-backdrop);font-family:var(--font-serif);font-style:italic;font-size:1.08rem;color:#e6e6e8}
.callout cite{display:block;margin-top:8px;font:normal .74rem var(--font-mono);color:var(--tech)}
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:28px}
/* table */
.table-scroll{overflow-x:auto;border:1px solid var(--border-subtle);border-radius:20px;background:rgba(11,11,13,.7)}
table{width:100%;min-width:760px;border-collapse:collapse}
th,td{padding:14px 16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--border-subtle);font-size:.9rem}
th{font-size:.7rem;letter-spacing:.16em;color:var(--tech)}
td:first-child{font-weight:600;color:var(--text-primary)}
tr:last-child td{border-bottom:0}
/* faq */
.faq{border-top:1px solid var(--border-subtle)}
.faq details{border-bottom:1px solid var(--border-subtle)}
.faq summary{list-style:none;display:flex;justify-content:space-between;gap:16px;padding:18px 4px;cursor:pointer;letter-spacing:.12em;font-size:.9rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent-primary);font-size:1.2rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 4px 20px;color:var(--text-muted);max-width:70ch}
/* form */
.form-panel{border:1px solid var(--border-highlight)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.field label{font:700 .7rem var(--font-head);text-transform:uppercase;letter-spacing:.18em;color:var(--tech)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;background:var(--bg-canvas);border:1px solid var(--border-subtle);border-radius:0;color:var(--text-primary);font:inherit}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 3px rgba(220,38,38,.2)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--text-muted)}
.err{min-height:1.2em;font-size:.8rem;color:#fca5a5}
.preview{margin-top:20px;padding:18px;min-height:120px;background:var(--bg-canvas);border:1px dashed var(--border-subtle);border-radius:20px;font:.82rem/1.6 var(--font-mono);white-space:pre-wrap;color:var(--tech)}
.status{min-height:1.4em;font-size:.85rem;color:var(--accent-secondary)}
/* footer */
.site-footer{border-top:1px solid var(--border-subtle);background:var(--bg-surface);padding:48px 0 30px;font-size:.9rem;color:var(--text-muted)}
.foot{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:30px}
.site-footer ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;flex-wrap:wrap}
.site-footer a{color:var(--text-primary)}
.foot-base{margin-top:30px;padding-top:20px;border-top:1px solid var(--border-subtle);font:.76rem var(--font-mono)}
/* reveal */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease-kinetic),transform .8s var(--ease-kinetic)}
.js .reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.js .reveal{opacity:1;transform:none}}
@media (max-width:1100px) and (min-width:1025px){.nav ul{gap:12px}.nav a{font-size:.66rem;letter-spacing:.08em}}
@media (max-width:1024px){.menu-btn{display:inline-flex}.nav{position:absolute;top:100%;left:0;right:0;background:var(--bg-surface);border-bottom:1px solid var(--border-highlight);max-height:0;overflow:hidden;transition:max-height .5s var(--ease-kinetic)}.nav.open{max-height:560px}.nav ul{flex-direction:column;gap:0;padding:8px 24px 20px}.nav a{display:block;padding:13px 0;font-size:.82rem;border-bottom:1px solid var(--border-subtle)}.nav a::after{display:none}}
@media (max-width:768px){.route{padding-left:48px}.route::before{left:11px}.step-mark{left:-48px;width:24px;height:24px;font-size:.6rem}.grid-bg{padding:48px 18px 24px}.grid-bg .step-mark{left:-67px}}
@media (max-width:480px){.wrap{padding:0 16px}.row{grid-template-columns:36px 1fr;gap:14px}.num{display:none}.brand span{font-size:.72rem;letter-spacing:.1em}.panel{padding:20px}.btn{padding:13px 18px;letter-spacing:.14em}}
@media (min-width:1201px){body{font-size:17px}}