:root{
  --bg:#09111f;
  --bg-soft:#0d1628;
  --panel:#0f1728;
  --panel-2:#101b30;
  --line:#1d2a40;
  --line-soft:rgba(148,163,184,.16);
  --surface:#0f1728;
  --surface-2:#0a1221;
  --surface-3:#0d1628;
  --text:#e6edf7;
  --muted:#8ea0bb;
  --soft:#9fb0c7;
  --ok:#4ade80;
  --warn:#f6c15d;
  --danger:#fb7185;
  --accent:#22d3ee;
  --accent-2:#14b8a6;
  --border:#22314b;
  --shadow:0 18px 38px rgba(2,6,23,.34);
  --radius:14px;
  --radius-lg:20px;
  --font-sans:"Manrope","Segoe UI",system-ui,-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
}
*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  min-height:100%;
  color:var(--text);
  font-family:var(--font-sans);
  background:
    radial-gradient(980px 420px at 8% -12%, rgba(30,202,211,.10) 0%, transparent 58%),
    radial-gradient(900px 360px at 92% -18%, rgba(245,158,11,.08) 0%, transparent 56%),
    linear-gradient(180deg,#0d1525 0%,var(--bg) 100%);
}
body{line-height:1.5}
a{color:inherit}
button,input,select,textarea{font:inherit}

.topbar{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(7,12,24,.88);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(148,163,184,.10);
  box-shadow:0 10px 34px rgba(2,6,23,.20);
}
.topbar::after{
  content:"";
  position:absolute;
  inset:auto 0 0;
  height:1px;
  background:linear-gradient(90deg, transparent 0%, rgba(34,211,238,.16) 24%, rgba(245,158,11,.10) 76%, transparent 100%);
}
.topbar__inner{
  max-width:1480px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 16px;
}
.brand{
  display:grid;
  gap:2px;
  font-weight:700;
  text-decoration:none;
  letter-spacing:.02em;
  color:#eff6ff;
  min-width:0;
}
.brand__mark{
  font-size:18px;
  line-height:1;
}
.brand__meta{
  color:var(--muted);
  font-size:10px;
  letter-spacing:.06em;
  line-height:1.2;
  max-width:24ch;
}
.nav{display:flex;gap:8px;flex:1;flex-wrap:wrap}
.nav__link{
  color:var(--muted);
  text-decoration:none;
  padding:8px 12px;
  border-radius:8px;
  border:1px solid transparent;
  transition:.2s ease;
}
.nav__link:hover{
  background:rgba(17,27,45,.92);
  border-color:rgba(71,85,105,.72);
  color:#ecf2f8;
}
.nav__link.is-active{
  background:linear-gradient(180deg, rgba(18,42,58,.92) 0%, rgba(12,28,40,.98) 100%);
  border-color:rgba(45,212,191,.32);
  color:#f8fbff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03), 0 0 0 1px rgba(34,211,238,.08);
}
.auth{display:flex;align-items:center;gap:10px}
.user{display:flex;align-items:center;gap:10px}
.user__ava{width:30px;height:30px;border-radius:50%;object-fit:cover;border:1px solid #334155}
.user__name{font-size:13px;color:#cbd5e1;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.container{
  max-width:1480px;
  margin:0 auto;
  padding:14px 16px 24px;
}
.site-footer{
  margin-top:28px;
  border-top:1px solid rgba(148,163,184,.10);
  background:
    radial-gradient(820px 220px at 0% 0%, rgba(30,202,211,.08) 0%, transparent 58%),
    linear-gradient(180deg, rgba(7,12,24,.92) 0%, rgba(4,9,18,.98) 100%);
  backdrop-filter:blur(18px);
}
.site-footer__inner{
  max-width:1480px;
  margin:0 auto;
  padding:18px 16px 24px;
  display:grid;
  grid-template-columns:1.1fr .9fr .9fr 1.1fr;
  gap:18px;
  align-items:start;
}
.site-footer__title{
  font-size:18px;
  font-weight:700;
  margin-bottom:6px;
}
.site-footer__text,
.site-footer__note{
  color:var(--muted);
  font-size:12px;
  line-height:1.55;
}
.site-footer__version{
  display:grid;
  gap:3px;
  margin-top:12px;
  padding-top:10px;
  border-top:1px dashed rgba(148,163,184,.16);
}
.site-footer__version-label{
  color:var(--muted);
  font-size:10px;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.site-footer__version-value{
  color:#eef5fd;
  font-size:13px;
  line-height:1.35;
}
.site-footer__version-note{
  color:var(--muted);
  font-size:11px;
  line-height:1.45;
}
.site-footer__links{
  display:grid;
  gap:8px;
}
.site-footer__contacts{
  display:grid;
  gap:10px;
}
.site-footer__contact-list{
  display:grid;
  gap:8px;
}
.site-footer__contact-row{
  display:grid;
  grid-template-columns:80px 1fr;
  gap:10px;
  align-items:start;
  text-decoration:none;
  padding:10px 12px;
  border-radius:14px;
  border:1px solid rgba(148,163,184,.10);
  background:rgba(11,18,33,.48);
}
.site-footer__contact-row:hover{
  border-color:rgba(34,211,238,.18);
  background:rgba(13,22,40,.62);
}
.site-footer__contact-label{
  color:var(--muted);
  font-size:11px;
  letter-spacing:.10em;
  text-transform:uppercase;
}
.site-footer__contact-value{
  color:#eef5fd;
  font-size:13px;
  line-height:1.5;
}
.site-footer__socials{
  display:grid;
  gap:8px;
}
.site-footer__social{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:12px;
  align-items:center;
  padding:10px 12px;
  border-radius:16px;
  border:1px solid rgba(148,163,184,.10);
  background:
    radial-gradient(240px 110px at 0% 0%, rgba(34,211,238,.08) 0%, transparent 68%),
    linear-gradient(180deg, rgba(13,22,40,.88) 0%, rgba(10,17,29,.98) 100%);
  text-decoration:none;
  transition:.18s ease;
}
.site-footer__social:hover{
  transform:translateY(-1px);
  border-color:rgba(34,211,238,.22);
  box-shadow:0 12px 24px rgba(2,6,23,.20);
}
.site-footer__social-icon{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border-radius:14px;
  border:1px solid rgba(34,211,238,.14);
  background:linear-gradient(135deg, rgba(18,34,52,.96) 0%, rgba(10,18,31,.98) 100%);
  color:#c6f5f7;
}
.site-footer__social-icon svg{
  width:20px;
  height:20px;
}
.site-footer__social-copy{
  display:grid;
  gap:2px;
}
.site-footer__social-title{
  color:#f3f8fe;
  font-size:13px;
  font-weight:700;
}
.site-footer__social-text{
  color:var(--muted);
  font-size:12px;
  line-height:1.45;
}
.site-footer__note--contacts{
  margin-top:2px;
  padding:10px 12px;
  border-radius:14px;
  border:1px dashed rgba(148,163,184,.14);
  background:rgba(10,16,29,.44);
}
.site-footer__link{
  color:#cbd5e1;
  text-decoration:none;
  font-size:13px;
}
.site-footer__link:hover{
  color:#ffffff;
  text-decoration:underline;
}
.doc-shell{
  max-width:980px;
  margin:12px auto 0;
}
.doc-card{
  background:
    radial-gradient(560px 220px at 0% 0%, rgba(20,184,166,.10) 0%, transparent 62%),
    linear-gradient(180deg,#101827 0%,#0b1221 100%);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow);
  padding:18px;
}
.doc-card h1,
.doc-card h2,
.doc-card h3{
  margin-top:0;
}
.doc-card h1{
  font-size:30px;
  line-height:1.06;
  letter-spacing:-.03em;
}
.doc-card h2{
  margin-top:22px;
  font-size:18px;
  letter-spacing:-.02em;
}
.doc-card p,
.doc-card li{
  color:#d6d8de;
  line-height:1.65;
}
.doc-card ul,
.doc-card ol{
  padding-left:20px;
}
.doc-grid{
  display:grid;
  gap:12px;
  grid-template-columns:repeat(auto-fit, minmax(240px, 1fr));
  margin-top:14px;
}
.doc-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid #334155;
  background:#0f172a;
  color:#dbe4f0;
  font-size:12px;
}
.doc-tile{
  border:1px solid #273449;
  background:#0e1627;
  border-radius:14px;
  padding:14px;
}
.doc-tile__head{
  display:grid;
  grid-template-columns:42px minmax(0,1fr);
  gap:10px;
  align-items:center;
  margin-bottom:8px;
}
.doc-tile__icon{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border-radius:13px;
  border:1px solid rgba(148,163,184,.18);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  color:#a7f3d0;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.doc-tile__icon svg{
  width:28px;
  height:28px;
  display:block;
}
.doc-tile__icon.is-trial{ color:#fde68a; }
.doc-tile__icon.is-elevation{ color:#a7f3d0; }
.doc-tile__icon.is-buildings{ color:#bbf7d0; }
.doc-tile__icon.is-bundle{ color:#9fdcff; }
.doc-tile__icon.is-info{ color:#93c5fd; }
.doc-tile__icon.is-warn{ color:#fcd34d; }
.doc-tile__title{
  font-size:15px;
  font-weight:700;
  margin-bottom:6px;
}
.doc-tile__head .doc-tile__title{
  margin-bottom:0;
}
.doc-link-list{
  display:grid;
  gap:8px;
}
.doc-link-list a{
  color:#dbe4f0;
}
.doc-hero{
  display:grid;
  gap:14px;
  margin-bottom:18px;
  padding:18px;
  border-radius:18px;
  border:1px solid rgba(45,212,191,.16);
  background:
    radial-gradient(540px 240px at 0% 0%, rgba(34,211,238,.10) 0%, transparent 62%),
    radial-gradient(320px 180px at 100% 0%, rgba(245,158,11,.08) 0%, transparent 58%),
    linear-gradient(180deg, rgba(15,23,40,.96) 0%, rgba(10,17,29,.98) 100%);
}
.doc-hero__eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  width:max-content;
  padding:7px 12px;
  border-radius:999px;
  border:1px solid rgba(148,163,184,.16);
  background:rgba(11,18,33,.62);
  color:#cbd5e1;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.12em;
}
.doc-hero__eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:999px;
  background:linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:0 0 0 6px rgba(34,211,238,.12);
}
.doc-hero__title{
  margin:0;
  font-size:32px;
  line-height:1.04;
  letter-spacing:-.04em;
}
.doc-hero__lead{
  margin:0;
  max-width:64ch;
  color:#afbed1;
  font-size:14px;
  line-height:1.7;
}
.doc-hero__chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.doc-callout{
  margin-top:16px;
  padding:14px 16px;
  border-radius:16px;
  border:1px dashed rgba(148,163,184,.22);
  background:rgba(10,16,29,.58);
  color:#dce6f2;
}
.card{
  background:linear-gradient(180deg,#101828 0%,#0a1221 100%);
  border-radius:var(--radius);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  padding:14px;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.card:hover{
  transform:translateY(-2px);
  border-color:#31425f;
  box-shadow:0 24px 48px rgba(2,6,23,.40);
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
  isolation:isolate;
  border:1px solid rgba(34,211,238,.36);
  border-radius:10px;
  background:linear-gradient(135deg, rgba(20,184,166,.92) 0%, rgba(14,159,170,.96) 100%);
  color:#f8fafc;
  font-size:13px;
  font-weight:600;
  padding:10px 14px;
  margin:4px 6px 4px 0;
  cursor:pointer;
  text-decoration:none;
  transition:.18s ease;
  box-shadow:0 10px 22px rgba(4,18,28,.24);
}
.btn:hover{
  background:linear-gradient(135deg, rgba(24,198,184,.96) 0%, rgba(16,168,178,.98) 100%);
  transform:translateY(-1px);
}
.btn:active{transform:none}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn--primary{
  background:linear-gradient(135deg, rgba(20,184,166,.92) 0%, rgba(14,159,170,.96) 100%);
  border-color:rgba(34,211,238,.36);
}
.btn--ghost{
  background:rgba(15,23,42,.88);
  color:#e5e7eb;
  border-color:#334155;
  box-shadow:none;
}
.btn--ghost:hover{background:#162338;color:#f8fafc}

input,select,textarea{
  background:var(--surface-2);
  color:var(--text);
  border:1px solid #2b3a55;
  border-radius:12px;
  padding:9px 10px;
  font-size:14px;
}
input::placeholder,textarea::placeholder{color:#6f8098}
input:focus,select:focus,textarea:focus{
  outline:none;
  border-color:#22d3ee;
  box-shadow:0 0 0 1px rgba(34,211,238,.18), 0 0 0 4px rgba(34,211,238,.06);
}
.small{font-size:12px;color:var(--muted)}

.fx-reveal{
  opacity:0;
  transform:translateY(10px) scale(.99);
  transition:opacity .45s ease, transform .45s ease;
}
.fx-reveal.is-visible{
  opacity:1;
  transform:translateY(0) scale(1);
}

.btn-ripple{
  position:absolute;
  left:0;
  top:0;
  border-radius:999px;
  pointer-events:none;
  background:radial-gradient(circle, rgba(255,255,255,.34) 0%, rgba(255,255,255,.16) 34%, rgba(255,255,255,0) 72%);
  transform:translate(-50%, -50%) scale(0);
  animation:btnRipple .56s ease-out forwards;
  z-index:0;
}

@keyframes btnRipple{
  0%{
    transform:translate(-50%, -50%) scale(0);
    opacity:.58;
  }
  100%{
    transform:translate(-50%, -50%) scale(1);
    opacity:0;
  }
}

.btn-login{display:inline-flex;align-items:center;gap:8px}
.btn-login__icon{display:none;width:22px;height:22px;border-radius:999px;background:#fff;color:#dc2626;font-weight:700;align-items:center;justify-content:center;font-size:13px}

@media (max-width:760px){
  .topbar__inner{padding:8px 10px;gap:8px}
  .brand__meta{font-size:9px;max-width:18ch}
  .nav{gap:6px}
  .nav__link{padding:5px 9px;font-size:13px}
  .user__name{display:none}
  .btn-login{padding:6px 8px;min-width:36px;justify-content:center}
  .btn-login__text{display:none}
  .btn-login__icon{display:inline-flex}
  .container{padding:12px 10px 18px}
  .site-footer__inner{grid-template-columns:1fr;padding:18px 10px 22px}
  .doc-hero__title{font-size:26px}
}