*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#070809; --surface:#0d0f12; --surface-2:#14171c; --border:#1f242c;
  --text:#f4f6f8; --muted:#9aa3ad; --primary:#e31937; --primary-2:#ff3b3b;
  --accent:#5ad1ff; --gradient: linear-gradient(135deg,#e31937 0%,#ff3b3b 50%,#5ad1ff 100%);
  --shadow-lg: 0 20px 60px -20px rgba(227,25,55,.35);
}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;font-weight:700;line-height:1.15;letter-spacing:-.02em;color:#fff}
h1{font-size:clamp(2.2rem,5vw,4rem);margin:0 0 1rem}
h2{font-size:clamp(1.6rem,3.5vw,2.5rem);margin:2.5rem 0 1rem}
h3{font-size:1.25rem;margin:1.5rem 0 .5rem}
p{margin:0 0 1rem}
.container{max-width:1180px;margin:0 auto;padding:0 1.25rem}
.muted{color:var(--muted)}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,8,9,.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}
.nav-row{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1.25rem}
.brand{display:inline-flex;align-items:center;gap:.5rem;font-family:'Space Grotesk',sans-serif;font-weight:700;color:#fff;font-size:1.05rem;text-decoration:none}
.brand-mark{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--gradient);color:#fff}
.primary-nav{display:flex;gap:.25rem;flex-wrap:wrap}
.nav-link{color:var(--muted);padding:.5rem .75rem;border-radius:8px;font-size:.92rem;text-decoration:none;transition:all .2s}
.nav-link:hover{color:#fff;background:var(--surface-2);text-decoration:none}
.nav-cta{white-space:nowrap}
@media (max-width:880px){.primary-nav{display:none}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.85rem 1.4rem;border-radius:10px;font-weight:600;text-decoration:none;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .2s;cursor:pointer;font-family:inherit;font-size:1rem}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:var(--shadow-lg)}
.btn-primary:hover{box-shadow:0 25px 70px -15px rgba(227,25,55,.55)}
.btn-ghost{background:transparent;color:#fff;border-color:var(--border)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-xl{padding:1.1rem 2rem;font-size:1.1rem}
.hero{position:relative;overflow:hidden;padding:6rem 0 5rem;border-bottom:1px solid var(--border);background:radial-gradient(ellipse at top right,rgba(227,25,55,.18),transparent 60%),radial-gradient(ellipse at bottom left,rgba(90,209,255,.12),transparent 55%),var(--bg)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);background:rgba(90,209,255,.08);border:1px solid rgba(90,209,255,.25);padding:.4rem .8rem;border-radius:999px;margin-bottom:1.25rem}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:560px;margin-bottom:1.75rem}
.hero-img{border-radius:18px;overflow:hidden;box-shadow:0 30px 80px -20px rgba(0,0,0,.7);border:1px solid var(--border)}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem}
.page-hero{padding:4.5rem 0 3rem;background:radial-gradient(ellipse at top,rgba(227,25,55,.12),transparent 60%);border-bottom:1px solid var(--border)}
.page-hero h1{margin-bottom:.75rem}
.page-hero .lead{color:var(--muted);font-size:1.1rem;max-width:780px}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.crumbs a{color:var(--muted)}
section{padding:3.5rem 0}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.25rem;margin-top:2rem}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1.5rem;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-3px);border-color:rgba(227,25,55,.4)}
.card .icon{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;background:var(--gradient);font-size:1.2rem;margin-bottom:.85rem}
.card h3{margin:.25rem 0 .5rem;font-size:1.1rem}
.card p{color:var(--muted);font-size:.95rem;margin:0}
.steps{counter-reset:step;display:grid;gap:1.25rem;margin-top:1.5rem}
.step{display:grid;grid-template-columns:auto 1fr;gap:1.25rem;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:1.5rem;position:relative}
.step::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:var(--gradient);color:#fff;font-weight:700;font-size:1.2rem;font-family:'Space Grotesk',sans-serif}
.step h3{margin:0 0 .35rem}
.step p{margin:0;color:var(--muted)}
.step code{background:var(--surface-2);border:1px solid var(--border);padding:.1rem .4rem;border-radius:5px;font-size:.9em;color:#fff}
.spec-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-top:1.5rem}
.spec{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:1.25rem;text-align:center}
.spec .num{font-family:'Space Grotesk',sans-serif;font-size:2rem;font-weight:700;background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.spec .label{color:var(--muted);font-size:.85rem;margin-top:.25rem}
.compare{width:100%;border-collapse:collapse;margin-top:1.5rem;background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden}
.compare th,.compare td{padding:1rem;text-align:left;border-bottom:1px solid var(--border)}
.compare th{background:var(--surface-2);font-family:'Space Grotesk',sans-serif;color:#fff;font-weight:600}
.compare tr:last-child td{border-bottom:none}
.compare td:first-child{color:var(--muted)}
details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1rem 1.25rem;margin-bottom:.75rem}
details[open]{border-color:rgba(227,25,55,.4)}
summary{cursor:pointer;font-weight:600;color:#fff;font-family:'Space Grotesk',sans-serif;font-size:1.05rem;list-style:none}
summary::after{content:"+";float:right;color:var(--primary);font-size:1.4rem;line-height:1;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{margin-top:.75rem;color:var(--muted)}
.cta-band{background:linear-gradient(135deg,rgba(227,25,55,.12),rgba(90,209,255,.06));border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:4rem 0;text-align:center}
.cta-inner h2{margin-top:0}
.ref-url{color:var(--muted);font-size:.85rem;margin-top:.75rem;font-family:ui-monospace,monospace}
.figure{margin:2rem 0;border-radius:16px;overflow:hidden;border:1px solid var(--border)}
.figure img{width:100%;height:auto}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center;margin:2rem 0}
@media (max-width:800px){.two-col{grid-template-columns:1fr}}
.site-footer{background:#040506;border-top:1px solid var(--border);padding:3rem 0 1.5rem;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{font-size:.95rem;margin:0 0 .75rem;color:#fff;font-family:'Space Grotesk',sans-serif}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:.4rem}
.site-footer a{color:var(--muted);font-size:.92rem}
.site-footer a:hover{color:#fff;text-decoration:none}
.copyright{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border);color:var(--muted);font-size:.85rem;text-align:center}
.prose{max-width:780px}
.prose ul{padding-left:1.25rem}
.prose li{margin-bottom:.5rem;color:var(--muted)}
.prose li strong{color:#fff}