:root{
  --bg:#0d1220; --bg2:#111830; --panel:#161d30; --panel2:#1d2540; --line:#28324c;
  --text:#e9edf6; --muted:#98a4be; --brand:#6ea8fe; --brand2:#4c86f0;
  --ok:#3ecf8e; --warn:#f2b34a; --crit:#ff6b6b; --danger:#ff5a63;
  --radius:14px; --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:light){
  :root{ --bg:#f5f7fc; --bg2:#eef2fb; --panel:#ffffff; --panel2:#f3f6fd; --line:#e1e7f2;
    --text:#161d2e; --muted:#5c6b88; }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:
  radial-gradient(1200px 600px at 80% -10%, rgba(76,134,240,.18), transparent 60%),
  radial-gradient(900px 500px at -10% 10%, rgba(62,207,142,.10), transparent 55%),
  var(--bg);
  color:var(--text);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{line-height:1.2;margin:0}
code{font-family:var(--mono);font-size:.86em;background:var(--panel2);padding:.12em .4em;border-radius:6px}
.muted{color:var(--muted)}
.logo{color:var(--brand)}

/* Buttons */
.btn{display:inline-block;border:1px solid var(--line);background:var(--panel2);color:var(--text);
  padding:10px 18px;border-radius:10px;font-weight:600;font-size:15px;cursor:pointer;transition:.12s;white-space:nowrap}
.btn:hover{border-color:var(--brand);transform:translateY(-1px)}
.btn.primary{background:linear-gradient(180deg,var(--brand),var(--brand2));border-color:transparent;color:#fff;
  box-shadow:0 6px 18px rgba(76,134,240,.35)}
.btn.primary:hover{filter:brightness(1.06)}
.btn.ghost{background:transparent}
.btn.lg{padding:13px 24px;font-size:16px}

/* Nav */
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:26px;
  padding:15px clamp(18px,5vw,54px);backdrop-filter:blur(12px);
  background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--line)}
.nav-brand{font-weight:800;font-size:19px;color:var(--text)}
.nav-links{display:flex;gap:22px;margin-left:6px}
.nav-links a{color:var(--muted);font-size:15px;font-weight:500}
.nav-links a:hover{color:var(--text)}
.nav .btn{margin-left:auto}

/* Hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  padding:clamp(40px,7vw,88px) clamp(18px,5vw,54px)}
.pill{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(110,168,254,.12);border:1px solid rgba(110,168,254,.35);
  padding:5px 13px;border-radius:999px;margin-bottom:20px}
.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(180deg,var(--text),color-mix(in srgb,var(--text) 62%,var(--brand)));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(16px,1.6vw,19px);color:var(--muted);margin:20px 0 28px;max-width:44ch}
.lede strong{color:var(--text)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;align-items:center;gap:12px;margin-top:24px;color:var(--muted);font-size:14px}
.hero-meta .dot{opacity:.5}

/* Terminal card */
.hero-terminal{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.35)}
.term-bar{display:flex;gap:8px;padding:13px 16px;background:var(--panel2);border-bottom:1px solid var(--line)}
.term-bar span{width:12px;height:12px;border-radius:50%;background:var(--line)}
.term-bar span:nth-child(1){background:#ff5f57}.term-bar span:nth-child(2){background:#febc2e}.term-bar span:nth-child(3){background:#28c840}
.term-body{margin:0;padding:20px;font-family:var(--mono);font-size:13.5px;line-height:1.75;overflow-x:auto;color:var(--text)}
.c-com{color:var(--muted)}.c-verb{color:var(--brand);font-weight:700}.c-ok{color:var(--ok)}
.c-warn{color:var(--warn)}.c-crit{color:var(--crit)}

/* Bands */
.band{padding:clamp(48px,7vw,86px) clamp(18px,5vw,54px);max-width:1160px;margin:0 auto}
.band.alt{background:var(--bg2);max-width:none}
.band.alt>*{max-width:1160px;margin-left:auto;margin-right:auto}
.band h2{font-size:clamp(24px,3vw,34px);font-weight:800;text-align:center;letter-spacing:-.02em}
.section-sub{text-align:center;color:var(--muted);margin:12px auto 0;max-width:60ch}

/* Steps */
.steps{display:flex;align-items:stretch;gap:16px;margin-top:44px;flex-wrap:wrap;justify-content:center}
.step{flex:1;min-width:230px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.step-num{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;
  background:linear-gradient(180deg,var(--brand),var(--brand2));color:#fff;margin-bottom:14px}
.step h3{font-size:19px;margin-bottom:8px}
.step p{color:var(--muted);font-size:15px}
.step-arrow{align-self:center;color:var(--muted);font-size:24px;font-weight:700}
.tag{font-size:12.5px;font-weight:700;padding:2px 8px;border-radius:6px}
.tag.pending{background:rgba(242,179,74,.16);color:var(--warn)}
.tag.approved{background:rgba(62,207,142,.16);color:var(--ok)}
.tag.rejected{background:rgba(255,90,99,.16);color:var(--danger)}
.tag.resolved{background:rgba(62,207,142,.16);color:var(--ok)}

/* Feature grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.14s}
.feature:hover{transform:translateY(-3px);border-color:var(--brand)}
.f-ic{font-size:26px;margin-bottom:12px}
.feature h3{font-size:18px;margin-bottom:7px}
.feature p{color:var(--muted);font-size:14.5px}

/* API */
.api-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.api-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.api-card h4{padding:15px 20px;border-bottom:1px solid var(--line);font-size:15px;background:var(--panel2)}
.api-card pre{margin:0;padding:20px;overflow-x:auto;font-family:var(--mono);font-size:13px;line-height:1.7;color:var(--text)}

/* Security */
.sec-grid{grid-template-columns:repeat(3,1fr)}
.sec-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:6px}
.sec-item strong{font-size:16px}
.sec-item span{color:var(--muted);font-size:14px}

/* CTA */
.cta-band{text-align:center;padding:clamp(56px,8vw,96px) 20px;
  background:linear-gradient(180deg,transparent,rgba(76,134,240,.10))}
.cta-band h2{font-size:clamp(24px,3.4vw,36px);font-weight:800}
.cta-band p{color:var(--muted);margin:12px 0 26px}

/* Footer */
.site-foot{border-top:1px solid var(--line);padding:34px clamp(18px,5vw,54px);
  display:flex;flex-direction:column;gap:6px;align-items:center;text-align:center;font-size:14px}
.site-foot>div:first-child{font-weight:700}

@media(max-width:900px){
  .hero{grid-template-columns:1fr;gap:32px}
  .grid,.sec-grid{grid-template-columns:1fr 1fr}
  .api-cols{grid-template-columns:1fr}
  .nav-links{display:none}
  .step-arrow{transform:rotate(90deg)}
}
@media(max-width:560px){
  .grid,.sec-grid{grid-template-columns:1fr}
}