:root {
  --bg: #080b0e;
  --bg-soft: #0d1116;
  --panel: #11171d;
  --line: #202a33;
  --line-bright: #31404c;
  --text: #f2f5f7;
  --muted: #9aa7b2;
  --accent: #ff7a1a;
  --accent-2: #ffad42;
  --cyan: #72d8ff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 0%, rgba(255,122,26,.06), transparent 26rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; text-decoration: none; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(8,11,14,.78);
  backdrop-filter: blur(16px);
}

.nav { height: 74px; display: flex; align-items: center; gap: 34px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 900; letter-spacing: .08em; }
.brand-mark {
  display: grid; place-items: center;
  width: 31px; height: 31px;
  color: #101010;
  background: var(--accent);
  clip-path: polygon(50% 0, 100% 100%, 0 100%);
  font-size: 14px;
  padding-top: 7px;
}
.nav-links { display: flex; gap: 28px; margin-left: auto; color: #b7c1c9; font-size: 14px; }
.nav-links a:hover { color: white; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 20px;
  border: 1px solid transparent;
  font-size: 14px; font-weight: 800;
  transition: .2s ease;
}
.btn-small { min-height: 38px; padding: 0 15px; }
.btn-primary { background: var(--accent); color: #0d0f11; }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-1px); }
.btn-outline { border-color: var(--line-bright); color: #dfe7ec; }
.btn-outline:hover, .btn-ghost:hover { border-color: #687784; }
.btn-ghost { border-color: var(--line); color: #dfe7ec; }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-grid {
  position: absolute; inset: 0;
  opacity: .17;
  background-image:
    linear-gradient(rgba(116,142,158,.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(116,142,158,.18) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1.15fr .85fr;
  gap: 70px; align-items: center;
  min-height: 760px; padding: 90px 0 100px;
}

.eyebrow, .section-kicker {
  color: #9fb0bc;
  font-size: 12px;
  letter-spacing: .16em;
  font-weight: 800;
}
.dot {
  display: inline-block; width: 7px; height: 7px; border-radius: 50%;
  margin-right: 9px; background: var(--accent);
  box-shadow: 0 0 18px rgba(255,122,26,.9);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 780px;
  margin: 22px 0 25px;
  font-size: clamp(48px, 6.4vw, 84px);
  line-height: .98;
  letter-spacing: -.055em;
}
.accent { display: block; color: var(--accent); }
.hero-lead {
  max-width: 690px;
  color: #b8c3cb;
  font-size: 18px;
}
.hero-lead strong { color: white; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.hero-meta {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 18px; margin-top: 70px; padding-top: 24px;
  border-top: 1px solid var(--line);
}
.hero-meta div { display: grid; gap: 4px; }
.hero-meta strong { font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.hero-meta span { color: #7f8e99; font-size: 12px; }

.system-card {
  border: 1px solid var(--line-bright);
  background: linear-gradient(180deg, rgba(18,25,31,.97), rgba(10,14,18,.96));
  box-shadow: 0 26px 80px rgba(0,0,0,.35);
}
.system-card-head, .system-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px;
  font-size: 10px; font-weight: 800; letter-spacing: .12em;
  color: #93a3ae;
  border-bottom: 1px solid var(--line);
}
.status { color: #c9d5dc; }
.status i {
  display: inline-block; width: 6px; height: 6px; margin-right: 6px;
  border-radius: 50%; background: #53df92;
  box-shadow: 0 0 12px rgba(83,223,146,.8);
}
.architecture { padding: 25px; }
.node {
  padding: 17px;
  border: 1px solid #28343e;
  background: #0e1419;
  display: grid; gap: 4px;
}
.node-main { border-color: rgba(255,122,26,.45); }
.node-machine { border-color: rgba(114,216,255,.35); }
.node strong { font-size: 15px; }
.node small { color: #788893; }
.node-tag {
  color: var(--accent);
  font-size: 9px; font-weight: 900; letter-spacing: .15em;
}
.flow { height: 55px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 9px; }
.flow span { height: 1px; background: #293640; }
.flow b { color: #798b97; font-size: 9px; letter-spacing: .12em; text-transform: uppercase; }
.system-footer { border-top: 1px solid var(--line); border-bottom: 0; justify-content: flex-start; gap: 18px; }

.section { padding: 110px 0; border-bottom: 1px solid var(--line); }
.section-kicker { margin-bottom: 24px; color: var(--accent); }
.section h2 {
  font-size: clamp(38px, 4.2vw, 64px);
  line-height: 1.04;
  letter-spacing: -.045em;
}
.section-lead, .section-heading p {
  max-width: 700px; color: #a9b6bf; font-size: 17px;
}

.product-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 80px; align-items: start; }
.feature-list { margin: 44px 0 34px; border-top: 1px solid var(--line); }
.feature-list > div {
  display: grid; grid-template-columns: 44px 1fr;
  gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--line);
}
.feature-list > div > span { color: var(--accent); font-size: 11px; font-weight: 900; }
.feature-list p { margin: 0; color: #8999a4; }
.feature-list strong { display: block; color: #f2f5f7; margin-bottom: 2px; }
.text-link { color: #dfe8ee; font-weight: 800; }
.text-link span { color: var(--accent); margin-left: 8px; }

.product-panel {
  min-height: 520px;
  border: 1px solid var(--line-bright);
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(255,122,26,.07), transparent 45%),
    #0d1217;
}
.panel-label { color: #8c9ba5; font-size: 10px; letter-spacing: .15em; font-weight: 900; }
.big-number {
  font-size: clamp(110px, 15vw, 190px);
  font-weight: 950;
  line-height: .9;
  letter-spacing: -.08em;
  color: transparent;
  -webkit-text-stroke: 1px #34414a;
  margin: 45px 0;
}
.panel-lines { border-top: 1px solid var(--line); }
.panel-lines div {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  color: #8e9ca6; font-size: 13px;
}
.panel-lines b { color: #dce5ea; font-weight: 700; }
.panel-lines .warm { color: var(--accent-2); }

.section-heading {
  display: grid; grid-template-columns: 1fr .75fr; gap: 70px;
  align-items: end; margin-bottom: 50px;
}
.section-heading h2, .section-heading p { margin-bottom: 0; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.card {
  min-height: 250px;
  padding: 25px;
  border: 1px solid var(--line);
  background: #0b1014;
  transition: .2s ease;
}
.card:hover { border-color: #3b4c59; transform: translateY(-2px); background: #0e1419; }
.card-id { color: var(--accent); font-size: 10px; letter-spacing: .14em; font-weight: 900; }
.card h3 { margin: 72px 0 10px; font-size: 22px; }
.card p { color: #8998a2; margin: 0; font-size: 14px; }

.case-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 12px; }
.case {
  min-height: 360px; padding: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #0d1217, #090d10);
  display: flex; flex-direction: column; justify-content: space-between;
}
.case-featured {
  background:
    linear-gradient(135deg, rgba(255,122,26,.12), transparent 45%),
    #0d1217;
  border-color: rgba(255,122,26,.35);
}
.case-top { display: flex; justify-content: space-between; color: #71818d; font-size: 9px; letter-spacing: .13em; }
.case h3 { font-size: 27px; margin-bottom: 10px; }
.case p { color: #8d9da8; }
.case-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.case-tags span { border: 1px solid #27333d; padding: 5px 8px; color: #8999a4; font-size: 10px; }

.about-grid, .contact-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 90px;
}
.about-copy { padding-top: 50px; color: #b3bfc7; font-size: 18px; }
.muted { color: #71818d; font-size: 14px; }

.contact { padding: 100px 0; background: #0c1115; border-bottom: 1px solid var(--line); }
.contact h2 {
  max-width: 760px; font-size: clamp(38px, 4.5vw, 66px);
  line-height: 1.04; letter-spacing: -.045em;
}
.contact-action { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; }
.contact-action p { color: #9caab4; max-width: 430px; }
.contact-action small { margin-top: 10px; color: #65747f; }

footer { padding: 30px 0; color: #6f7f8b; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 12px; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .hero-inner, .product-grid, .section-heading, .about-grid, .contact-inner { grid-template-columns: 1fr; }
  .hero-inner { gap: 45px; min-height: auto; }
  .hero-meta { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .section-heading { gap: 18px; }
}

@media (max-width: 620px) {
  .wrap { width: min(100% - 26px, var(--max)); }
  .nav { height: 66px; }
  .hero-inner { padding: 70px 0; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .cards { grid-template-columns: 1fr; }
  .section { padding: 80px 0; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
