:root {
  --bg: #07111f;
  --bg-soft: #0b1728;
  --panel: rgba(255,255,255,0.055);
  --panel-strong: rgba(255,255,255,0.085);
  --line: rgba(255,255,255,0.12);
  --text: #f4f7fb;
  --muted: #9fb0c7;
  --accent: #54a6ff;
  --accent-2: #7d6bff;
  --accent-3: #45e4c2;
  --max: 1180px;
  --radius: 22px;
  --shadow: 0 24px 80px rgba(0,0,0,.28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(84,166,255,.09), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(125,107,255,.08), transparent 30%),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 1000;
  background: #fff;
  color: #000;
  padding: 10px 14px;
  border-radius: 8px;
}
.skip-link:focus { top: 12px; }

.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.section-pad { padding: 104px 0; position: relative; }
.section-alt { background: rgba(255,255,255,.025); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  background: rgba(7,17,31,.72);
  border-bottom: 1px solid rgba(255,255,255,.07);
}
.nav-wrap { height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .08em; }
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 8px 30px rgba(84,166,255,.28);
  letter-spacing: 0;
}
.brand-word { font-size: 17px; }
.brand-word span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 28px; color: #c8d3e3; font-size: 14px; }
.main-nav a { transition: color .2s ease, opacity .2s ease; }
.main-nav a:hover { color: #fff; }
.nav-cta { padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.04); }
.nav-toggle { display: none; background: transparent; border: 0; width: 42px; height: 42px; padding: 9px; }
.nav-toggle span { display: block; height: 2px; background: #fff; margin: 5px 0; border-radius: 3px; }

.hero { overflow: hidden; min-height: 720px; display: flex; align-items: center; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 60px; position: relative; z-index: 2; }
.eyebrow { text-transform: uppercase; letter-spacing: .16em; color: var(--accent); font-size: 12px; font-weight: 800; margin-bottom: 18px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(48px, 7vw, 88px); line-height: .98; letter-spacing: -.045em; margin-bottom: 28px; max-width: 820px; }
h1 span { background: linear-gradient(90deg, #fff, #8dc8ff 44%, #a89dff 78%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 20px; line-height: 1.65; color: var(--muted); max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border-radius: 14px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); box-shadow: 0 14px 40px rgba(84,166,255,.24); }
.btn-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.04); }
.btn-secondary:hover { border-color: rgba(255,255,255,.3); }
.btn-wide { min-width: 240px; }
.hero-note { margin-top: 26px; color: #b7c5d7; font-size: 14px; display: flex; align-items: center; gap: 10px; }
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 0 6px rgba(69,228,194,.12); }

.hero-glow { position: absolute; border-radius: 50%; filter: blur(20px); opacity: .6; pointer-events: none; }
.hero-glow-one { width: 360px; height: 360px; background: rgba(84,166,255,.11); top: 30px; right: 8%; }
.hero-glow-two { width: 280px; height: 280px; background: rgba(125,107,255,.11); bottom: 0; left: 10%; }
.hero-visual { display: grid; place-items: center; min-height: 520px; }
.orbit-card { position: relative; width: min(440px, 90vw); aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; }
.orbit-card::before {
  content: "";
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(84,166,255,.17), rgba(7,17,31,.1) 58%, transparent 70%);
  box-shadow: inset 0 0 90px rgba(84,166,255,.12), 0 0 120px rgba(84,166,255,.07);
}
.orbit-ring { position: absolute; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; }
.ring-a { inset: 8%; }
.ring-b { inset: 25%; border-style: dashed; animation: spin 28s linear infinite; }
.core { position: relative; width: 150px; height: 150px; border-radius: 34px; display: grid; place-items: center; align-content: center; background: linear-gradient(145deg, rgba(84,166,255,.18), rgba(125,107,255,.12)); border: 1px solid rgba(255,255,255,.2); box-shadow: var(--shadow); }
.core-label { color: var(--accent); font-size: 12px; letter-spacing: .15em; font-weight: 800; }
.core strong { font-size: 24px; margin-top: 4px; }
.node { position: absolute; display: grid; place-items: center; width: 62px; height: 62px; border-radius: 18px; background: rgba(10,24,42,.88); border: 1px solid rgba(255,255,255,.16); box-shadow: 0 12px 30px rgba(0,0,0,.24); font-size: 12px; font-weight: 800; color: #dce8f7; }
.node-1 { top: 6%; left: 42%; }
.node-2 { right: 2%; top: 41%; }
.node-3 { right: 17%; bottom: 8%; }
.node-4 { left: 17%; bottom: 8%; }
.node-5 { left: 2%; top: 41%; }
.node-6 { left: 16%; top: 13%; }
@keyframes spin { to { transform: rotate(360deg); } }

.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.025); }
.trust-items { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; padding: 19px 0; color: #aebed2; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; text-align: center; }

.section-heading { max-width: 760px; margin-bottom: 50px; }
.section-heading h2 { font-size: clamp(36px, 5vw, 60px); line-height: 1.08; letter-spacing: -.035em; margin-bottom: 18px; }
.section-heading p { color: var(--muted); font-size: 18px; }
.cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.feature-card { padding: 28px; border-radius: var(--radius); border: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.025)); min-height: 330px; transition: transform .25s ease, border-color .25s ease, background .25s ease; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(84,166,255,.35); background: linear-gradient(180deg, rgba(84,166,255,.07), rgba(255,255,255,.03)); }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 12px; background: rgba(84,166,255,.09); color: var(--accent); font-size: 12px; font-weight: 900; margin-bottom: 36px; }
.feature-card h3 { font-size: 26px; margin-bottom: 12px; }
.feature-card p { color: var(--muted); }
.feature-card ul { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 8px; color: #cbd6e5; font-size: 14px; }
.feature-card li::before { content: "→"; color: var(--accent); margin-right: 10px; }

.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.process-step { padding: 24px; border-top: 1px solid rgba(84,166,255,.42); background: rgba(255,255,255,.025); min-height: 240px; }
.process-step > span { color: var(--accent); font-size: 12px; font-weight: 900; }
.process-step h3 { font-size: 22px; margin: 42px 0 10px; }
.process-step p { color: var(--muted); font-size: 15px; }

.stack-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.tech-panel { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: rgba(255,255,255,.025); }
.tech-row { display: grid; grid-template-columns: 130px 1fr; gap: 24px; padding: 21px 24px; border-bottom: 1px solid rgba(255,255,255,.08); }
.tech-row:last-child { border-bottom: 0; }
.tech-row span { color: var(--accent); font-size: 13px; font-weight: 800; }
.tech-row strong { font-size: 14px; color: #d8e1ee; font-weight: 650; }

.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: start; }
.about-lead { font-size: 26px; line-height: 1.4; color: #fff; }
.about-copy > p:not(.about-lead) { color: var(--muted); font-size: 17px; }
.principles { margin-top: 34px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.principles div { display: flex; gap: 14px; align-items: center; padding: 16px; border-radius: 14px; background: rgba(255,255,255,.035); border: 1px solid rgba(255,255,255,.07); }
.principles strong { color: var(--accent); font-size: 12px; }
.principles span { font-size: 14px; color: #d3deec; }

.contact-section { padding-top: 84px; padding-bottom: 84px; }
.contact-card { padding: 44px; border-radius: 28px; border: 1px solid rgba(84,166,255,.28); background: linear-gradient(135deg, rgba(84,166,255,.1), rgba(125,107,255,.07)); display: grid; grid-template-columns: 1.4fr .6fr; gap: 50px; align-items: center; box-shadow: var(--shadow); }
.contact-card h2 { font-size: clamp(34px, 4vw, 52px); line-height: 1.1; margin-bottom: 16px; }
.contact-card p { color: #b8c6d8; max-width: 720px; }
.contact-actions { display: grid; gap: 18px; justify-items: start; }
.text-link { color: #dce8f8; font-weight: 700; }

.site-footer { border-top: 1px solid var(--line); padding: 28px 0; color: #8fa2bb; font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 30px; }
.footer-brand .brand-mark { width: 28px; height: 28px; border-radius: 8px; font-size: 12px; }
.footer-brand .brand-word { font-size: 14px; }
.footer-grid p { margin: 0; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 980px) {
  .hero { min-height: auto; }
  .hero-grid, .stack-grid, .about-grid, .contact-card { grid-template-columns: 1fr; }
  .hero-grid { gap: 26px; }
  .hero-visual { min-height: 440px; }
  .trust-items { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-actions { justify-items: stretch; }
  .btn-wide { width: 100%; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section-pad { padding: 76px 0; }
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 74px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: rgba(8,19,34,.97);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 12px; }
  .nav-cta { margin-top: 6px; text-align: center; }
  h1 { font-size: clamp(44px, 14vw, 68px); }
  .lead { font-size: 17px; }
  .hero-visual { min-height: 360px; }
  .orbit-card { width: 340px; }
  .node { width: 52px; height: 52px; border-radius: 14px; font-size: 10px; }
  .core { width: 124px; height: 124px; border-radius: 28px; }
  .core strong { font-size: 20px; }
  .trust-items { grid-template-columns: repeat(2, 1fr); }
  .cards-grid, .process-grid, .principles { grid-template-columns: 1fr; }
  .tech-row { grid-template-columns: 1fr; gap: 6px; }
  .contact-card { padding: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 12px; }
}

@media (max-width: 430px) {
  .hero-actions { display: grid; }
  .btn { width: 100%; }
  .orbit-card { width: 300px; }
  .node-6, .node-3 { display: none; }
}