:root {
  color-scheme: dark;
  --bg: #07101d;
  --bg-soft: #0b1626;
  --panel: rgba(14, 28, 47, 0.78);
  --panel-solid: #0f1e32;
  --text: #f6f8fb;
  --muted: #9babc1;
  --line: rgba(163, 185, 214, 0.15);
  --line-strong: rgba(163, 185, 214, 0.26);
  --accent: #7aa9ff;
  --accent-strong: #a7c5ff;
  --accent-2: #8f7dff;
  --success: #8ee4ba;
  --radius-sm: 14px;
  --radius: 22px;
  --radius-lg: 30px;
  --shadow: 0 22px 80px rgba(0, 0, 0, 0.34);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 8%, rgba(80, 122, 255, .16), transparent 28rem),
    radial-gradient(circle at 18% 32%, rgba(126, 91, 255, .10), transparent 24rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: #fff; }
img, svg { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid rgba(122, 169, 255, .62); outline-offset: 4px; }

.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.section { padding: 104px 0; }
.section-tight { padding: 72px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; opacity: .75; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(163, 185, 214, .08);
  background: rgba(7, 16, 29, .74);
  backdrop-filter: blur(20px);
}
.nav-wrap { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 850; letter-spacing: -.02em; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(122,169,255,.24), rgba(143,125,255,.14));
  border: 1px solid rgba(167,197,255,.26);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08);
}
.brand-mark::before {
  content: "S"; font-weight: 900; color: #fff; font-size: 17px;
}
.brand small { color: var(--muted); font-size: 10px; display: block; letter-spacing: .1em; text-transform: uppercase; margin-top: -2px; }
.nav-links { display: flex; align-items: center; gap: 28px; color: #c5cfdd; font-size: 14px; font-weight: 650; }
.nav-links a { transition: color .18s ease; }
.nav-links a:hover { color: #fff; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; color: #fff; background: rgba(255,255,255,.03); }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after { content: ""; display: block; width: 18px; height: 2px; background: currentColor; margin: 4px auto; border-radius: 2px; }

.btn {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 18px;
  border-radius: 13px;
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 780;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { color: #08111e; background: linear-gradient(135deg, #c6d9ff, #82afff); box-shadow: 0 12px 36px rgba(79, 129, 255, .2); }
.btn-primary:hover { color: #08111e; }
.btn-secondary { color: #e7edf6; background: rgba(255,255,255,.035); border-color: var(--line-strong); }
.btn-small { min-height: 40px; padding-inline: 15px; }

.hero { padding: 106px 0 76px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 70px; align-items: center; }
.hero h1 {
  margin: 18px 0 22px;
  max-width: 780px;
  font-size: clamp(46px, 6vw, 78px);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 850;
}
.hero h1 span { color: var(--accent-strong); }
.hero p { margin: 0; max-width: 660px; color: #aebbd0; font-size: clamp(17px, 2vw, 20px); }
.hero-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 24px; display: flex; gap: 12px; align-items: center; color: #8899b0; font-size: 13px; }
.hero-note .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px rgba(142,228,186,.08); }

.visual-shell {
  position: relative;
  min-height: 505px;
  display: grid;
  place-items: center;
}
.visual-glow { position: absolute; width: 370px; height: 370px; border-radius: 50%; background: rgba(91, 132, 255, .18); filter: blur(70px); }
.dashboard {
  position: relative;
  width: min(100%, 510px);
  overflow: hidden;
  border: 1px solid rgba(163,185,214,.20);
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(19,36,59,.95), rgba(10,22,39,.96));
  box-shadow: var(--shadow);
  transform: perspective(1200px) rotateY(-5deg) rotateX(2deg);
}
.dashboard-bar { height: 48px; border-bottom: 1px solid var(--line); display: flex; align-items: center; padding: 0 17px; gap: 7px; }
.dashboard-bar i { width: 7px; height: 7px; border-radius: 50%; background: #6e7f95; opacity: .55; }
.dashboard-content { display: grid; grid-template-columns: 122px 1fr; min-height: 390px; }
.mock-sidebar { border-right: 1px solid var(--line); padding: 22px 14px; display: grid; align-content: start; gap: 12px; }
.mock-logo { width: 66px; height: 12px; border-radius: 6px; background: linear-gradient(90deg, #85b0ff, #b9ceff); margin-bottom: 17px; }
.mock-nav { height: 9px; border-radius: 7px; background: rgba(186,203,226,.13); }
.mock-nav.active { background: rgba(122,169,255,.34); }
.mock-main { padding: 24px; }
.mock-heading { width: 128px; height: 15px; border-radius: 8px; background: rgba(245,248,252,.86); margin-bottom: 24px; }
.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mock-card { height: 75px; padding: 13px; border-radius: 13px; border: 1px solid var(--line); background: rgba(255,255,255,.025); }
.mock-card span { display: block; width: 34px; height: 6px; border-radius: 4px; background: rgba(179,197,221,.22); margin-bottom: 12px; }
.mock-card b { display: block; width: 54px; height: 13px; border-radius: 6px; background: rgba(239,244,251,.78); }
.mock-chart { margin-top: 13px; height: 145px; border: 1px solid var(--line); border-radius: 15px; background: linear-gradient(180deg, rgba(89,134,255,.08), transparent); position: relative; overflow: hidden; }
.mock-chart::before {
  content: ""; position: absolute; inset: 24px 18px 22px; opacity: .75;
  background: linear-gradient(155deg, transparent 0 11%, #7da9ff 11.5% 12.5%, transparent 13% 26%, #7da9ff 26.5% 27.5%, transparent 28% 44%, #7da9ff 44.5% 45.5%, transparent 46% 61%, #7da9ff 61.5% 62.5%, transparent 63% 78%, #7da9ff 78.5% 79.5%, transparent 80%);
}
.floating-card {
  position: absolute;
  right: -12px;
  bottom: 46px;
  width: 190px;
  padding: 16px;
  border-radius: 17px;
  border: 1px solid rgba(167,197,255,.24);
  background: rgba(14, 29, 49, .92);
  box-shadow: 0 20px 50px rgba(0,0,0,.26);
  backdrop-filter: blur(14px);
}
.floating-card small { color: var(--muted); }
.floating-card strong { display: block; margin-top: 3px; font-size: 22px; }

.metrics { border-block: 1px solid var(--line); background: rgba(255,255,255,.015); }
.metric-grid { min-height: 128px; display: grid; grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.metric { padding: 30px 34px; border-right: 1px solid var(--line); }
.metric:first-child { padding-left: 0; }
.metric:last-child { border-right: 0; }
.metric strong { display: block; font-size: 28px; letter-spacing: -.035em; }
.metric span { color: var(--muted); font-size: 13px; }

.section-head { max-width: 700px; margin-bottom: 44px; }
.section-head h2 { margin: 13px 0 14px; font-size: clamp(34px, 5vw, 53px); line-height: 1.04; letter-spacing: -.045em; }
.section-head p { color: var(--muted); margin: 0; font-size: 17px; }

.product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.product-card {
  min-height: 315px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.038), rgba(255,255,255,.018));
  position: relative;
  overflow: hidden;
}
.product-card.featured { grid-column: 1 / -1; min-height: 410px; padding: 38px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: center; }
.product-card.featured::after { content: ""; position: absolute; width: 360px; height: 360px; right: -140px; top: -130px; border-radius: 50%; background: rgba(87,126,255,.10); filter: blur(4px); }
.product-tag { display: inline-flex; padding: 6px 9px; border: 1px solid rgba(122,169,255,.24); border-radius: 999px; color: #b9ceff; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.product-card h3 { margin: 18px 0 10px; font-size: 29px; letter-spacing: -.035em; }
.product-card.featured h3 { font-size: clamp(36px, 5vw, 55px); }
.product-card p { color: var(--muted); max-width: 600px; }
.product-link { margin-top: 20px; display: inline-flex; align-items: center; gap: 8px; color: #dce7fb; font-weight: 750; font-size: 14px; }
.product-link::after { content: "→"; transition: transform .18s ease; }
.product-link:hover::after { transform: translateX(3px); }
.product-visual { min-height: 260px; display: grid; place-items: center; }
.sigma-orbit { position: relative; width: 260px; height: 260px; display: grid; place-items: center; }
.sigma-orbit::before, .sigma-orbit::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(147,182,255,.18); }
.sigma-orbit::before { inset: 8px; }
.sigma-orbit::after { inset: 42px; }
.sigma-core { width: 124px; height: 124px; border-radius: 31px; display: grid; place-items: center; border: 1px solid rgba(177,203,255,.30); background: linear-gradient(145deg, rgba(122,169,255,.20), rgba(143,125,255,.08)); box-shadow: 0 24px 70px rgba(71,110,221,.22); font-size: 44px; font-weight: 850; }
.orbit-dot { position: absolute; width: 13px; height: 13px; border-radius: 50%; background: #91b8ff; box-shadow: 0 0 0 7px rgba(145,184,255,.08); }
.orbit-dot.a { top: 32px; right: 47px; }
.orbit-dot.b { bottom: 25px; left: 74px; background: #a995ff; }

.strength-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.strength-card { padding: 26px; border-top: 1px solid var(--line-strong); }
.strength-icon { width: 42px; height: 42px; border-radius: 13px; background: rgba(122,169,255,.08); border: 1px solid rgba(122,169,255,.16); display: grid; place-items: center; color: #acc8ff; font-size: 18px; font-weight: 800; }
.strength-card h3 { margin: 20px 0 8px; font-size: 19px; }
.strength-card p { margin: 0; color: var(--muted); font-size: 14px; }

.company-band { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.02); display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; }
.company-band h3 { margin: 0 0 8px; font-size: 24px; letter-spacing: -.03em; }
.company-band p { color: var(--muted); margin: 0; max-width: 770px; }

.cta {
  border: 1px solid rgba(147,182,255,.18);
  border-radius: var(--radius-lg);
  padding: 64px;
  background: radial-gradient(circle at 75% 20%, rgba(102,142,255,.16), transparent 28rem), rgba(255,255,255,.025);
  text-align: center;
}
.cta h2 { max-width: 760px; margin: 0 auto 16px; font-size: clamp(34px, 5vw, 56px); line-height: 1.03; letter-spacing: -.045em; }
.cta p { max-width: 650px; margin: 0 auto 28px; color: var(--muted); }

.site-footer { padding: 46px 0 34px; border-top: 1px solid var(--line); color: #8292aa; font-size: 13px; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: end; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; justify-content: flex-end; }
.legal-name { margin-top: 14px; color: #687a95; font-size: 12px; }

/* Sigma */
.sigma-hero { padding: 100px 0 64px; }
.sigma-hero-grid { display: grid; grid-template-columns: 1fr .82fr; gap: 64px; align-items: center; }
.sigma-hero h1 { font-size: clamp(48px, 7vw, 78px); line-height: .98; letter-spacing: -.055em; margin: 18px 0 20px; }
.sigma-hero p { color: var(--muted); font-size: 19px; max-width: 680px; }
.ownership-note { margin-top: 24px; padding: 17px 18px; border-left: 2px solid var(--accent); background: rgba(122,169,255,.05); color: #c0ccdd; font-size: 13px; border-radius: 0 12px 12px 0; }
.feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 34px; }
.feature-item { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.018); }
.feature-item strong { display: block; margin-bottom: 6px; }
.feature-item span { color: var(--muted); font-size: 13px; }
.breadcrumb { color: #8495ad; font-size: 13px; }
.breadcrumb a { color: #b7c5d8; }

@media (max-width: 980px) {
  .hero-grid, .sigma-hero-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 78px; }
  .hero-grid { gap: 42px; }
  .visual-shell { min-height: 430px; }
  .product-card.featured { grid-template-columns: 1fr; }
  .product-visual { min-height: 220px; }
}

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .nav-links {
    position: absolute;
    inset: 76px 20px auto;
    display: none;
    padding: 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(10,22,38,.98);
    box-shadow: var(--shadow);
  }
  .nav-links[data-open="true"] { display: flex; }
  .nav-links a { padding: 11px 12px; border-radius: 10px; }
  .nav-links .btn { margin-top: 6px; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric { padding: 22px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .metric:last-child { border-bottom: 0; }
  .strength-grid { grid-template-columns: 1fr; }
  .company-band { grid-template-columns: 1fr; }
  .company-band .btn { justify-self: start; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 78px 0; }
  .hero { padding: 62px 0 54px; }
  .hero h1 { font-size: clamp(43px, 14vw, 63px); }
  .product-grid { grid-template-columns: 1fr; }
  .product-card.featured { grid-column: auto; padding: 28px; }
  .product-card { min-height: auto; }
  .visual-shell { min-height: 330px; }
  .dashboard { transform: none; }
  .dashboard-content { grid-template-columns: 86px 1fr; min-height: 300px; }
  .mock-sidebar { padding: 18px 10px; }
  .mock-main { padding: 18px 14px; }
  .mock-cards { grid-template-columns: repeat(2, 1fr); }
  .mock-cards .mock-card:last-child { display: none; }
  .floating-card { width: 150px; right: 5px; bottom: 2px; }
  .floating-card strong { font-size: 18px; }
  .cta { padding: 44px 22px; }
  .feature-list { grid-template-columns: 1fr; }
  .sigma-hero { padding-top: 62px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}