:root {
  color-scheme: dark;
  --ink: #f4f7fb;
  --muted: #9aa8b9;
  --night: #071018;
  --panel: rgba(14, 28, 40, 0.78);
  --line: rgba(159, 187, 207, 0.18);
  --cyan: #62e6d5;
  --blue: #6ba8ff;
  --accent: #d9ff6a;
  --max: 1180px;
  --radius: 24px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--night);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 75% 8%, rgba(48, 125, 151, 0.22), transparent 34rem),
    radial-gradient(circle at 8% 38%, rgba(60, 105, 190, 0.16), transparent 30rem),
    var(--night);
  line-height: 1.6;
}

a { color: inherit; }
img { max-width: 100%; }
button, input { font: inherit; }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  transition: background 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(7, 16, 24, 0.82);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}
.nav-shell {
  width: min(calc(100% - 40px), var(--max));
  min-height: 78px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: 0.02em;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(98, 230, 213, 0.42);
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, rgba(98, 230, 213, 0.18), rgba(107, 168, 255, 0.09));
  box-shadow: inset 0 0 28px rgba(98, 230, 213, 0.07);
}
.brand-mark::before {
  content: "H";
  color: var(--cyan);
  font-weight: 850;
  font-size: 17px;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a { color: #cbd5df; text-decoration: none; font-size: 14px; font-weight: 650; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--cyan); }
.nav-cta {
  padding: 10px 16px;
  border: 1px solid rgba(98, 230, 213, 0.38);
  border-radius: 999px;
}
.menu-button {
  display: none;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 9px 12px;
  background: rgba(255,255,255,0.04);
}

.hero {
  min-height: 880px;
  display: grid;
  align-items: center;
  padding: 145px 0 80px;
  overflow: hidden;
  position: relative;
}
.hero::after {
  content: "";
  position: absolute;
  width: 720px;
  height: 720px;
  right: -250px;
  top: 70px;
  border: 1px solid rgba(98, 230, 213, 0.1);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(98, 230, 213, 0.018), 0 0 0 160px rgba(107, 168, 255, 0.014);
}
.shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; position: relative; z-index: 2; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 74px; align-items: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 760;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 {
  font-size: clamp(52px, 7.5vw, 94px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin: 28px 0 30px;
  max-width: 900px;
}
.hero-copy > p { max-width: 660px; color: #b8c5d1; font-size: clamp(18px, 2vw, 22px); }
.actions { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 38px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 21px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 740;
  font-size: 14px;
}
.button-primary { color: #061015; background: var(--cyan); }
.button-primary:hover { background: #87f5e7; }
.button-secondary { border: 1px solid var(--line); background: rgba(255,255,255,0.03); }
.button-secondary:hover { border-color: rgba(98, 230, 213, 0.45); }

.identity-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(22, 43, 58, 0.9), rgba(8, 20, 30, 0.72));
  box-shadow: 0 28px 90px rgba(0,0,0,0.35);
  backdrop-filter: blur(16px);
}
.card-kicker { color: var(--muted); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; }
.identity-card h2 { font-size: 27px; line-height: 1.2; margin: 12px 0 28px; }
.status-row { display: flex; align-items: center; gap: 10px; color: #d8e2e9; font-size: 14px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 22px rgba(217,255,106,0.65); }
.detail-list { border-top: 1px solid var(--line); margin: 24px 0 0; padding: 10px 0 0; }
.detail-list div { display: grid; grid-template-columns: 125px 1fr; gap: 16px; padding: 13px 0; border-bottom: 1px solid rgba(159,187,207,0.1); }
.detail-list dt { color: var(--muted); font-size: 13px; }
.detail-list dd { margin: 0; font-size: 14px; font-weight: 620; }

.section { padding: 110px 0; }
.section-border { border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 0.65fr 1.35fr; gap: 70px; margin-bottom: 58px; }
.section-heading h2 { font-size: clamp(36px, 5vw, 58px); line-height: 1.06; letter-spacing: -0.04em; margin-bottom: 0; }
.section-heading p { color: var(--muted); font-size: 18px; max-width: 620px; margin: 5px 0 0; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.capability-card {
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,0.024);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.capability-card:hover { transform: translateY(-4px); border-color: rgba(98,230,213,0.32); transition: 180ms ease; }
.card-index { color: var(--cyan); font-size: 13px; font-weight: 760; }
.capability-card h3 { font-size: 24px; line-height: 1.22; margin-bottom: 12px; }
.capability-card p { color: var(--muted); margin-bottom: 0; }

.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.principle {
  padding: 36px;
  min-height: 245px;
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(107,168,255,0.11), rgba(98,230,213,0.035));
  border: 1px solid var(--line);
}
.principle h3 { font-size: 27px; margin: 24px 0 12px; }
.principle p { color: var(--muted); margin: 0; }
.principle-symbol { color: var(--accent); font-weight: 800; letter-spacing: 0.12em; }

.company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.company-copy h2 { font-size: clamp(38px, 5vw, 58px); line-height: 1.06; letter-spacing: -0.04em; }
.company-copy p { color: var(--muted); font-size: 18px; }
.company-table { margin: 0; border-top: 1px solid var(--line); }
.company-table div { padding: 18px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 165px 1fr; gap: 20px; }
.company-table dt { color: var(--muted); font-size: 13px; }
.company-table dd { margin: 0; font-weight: 620; }

.contact-panel {
  padding: 48px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(98,230,213,0.14), rgba(107,168,255,0.11));
  border: 1px solid rgba(98,230,213,0.22);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.contact-panel h2 { font-size: clamp(38px, 5vw, 62px); line-height: 1.02; letter-spacing: -0.045em; }
.contact-list { display: grid; gap: 20px; align-content: center; }
.contact-item { padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.contact-item span { display: block; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 5px; }
.contact-item a, .contact-item p { margin: 0; font-weight: 640; text-decoration: none; }

.site-footer { padding: 38px 0 48px; border-top: 1px solid var(--line); color: var(--muted); }
.footer-grid { display: flex; justify-content: space-between; gap: 25px; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-links a { text-decoration: none; font-size: 13px; }

.legal-page { padding: 150px 0 90px; }
.legal-shell { width: min(calc(100% - 40px), 850px); margin: 0 auto; }
.legal-page h1 { font-size: clamp(46px, 7vw, 76px); }
.legal-meta { color: var(--muted); margin-bottom: 50px; }
.legal-section { padding: 28px 0; border-top: 1px solid var(--line); }
.legal-section h2 { font-size: 24px; margin-bottom: 12px; }
.legal-section p, .legal-section li { color: #afbbc7; }

[data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity 600ms ease, transform 600ms ease; }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .menu-button { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 20px;
    right: 20px;
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(7,16,24,0.96);
    backdrop-filter: blur(18px);
  }
  .nav-links.is-open { display: flex; }
  .hero { min-height: auto; }
  .hero-grid, .section-heading, .company-grid, .contact-panel { grid-template-columns: 1fr; }
  .hero-grid { gap: 46px; }
  .section-heading, .company-grid, .contact-panel { gap: 30px; }
  .cards { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
  .capability-card { min-height: 235px; }
}

@media (max-width: 560px) {
  .nav-shell, .shell, .legal-shell { width: min(calc(100% - 28px), var(--max)); }
  .brand span:last-child { font-size: 14px; }
  .hero { padding-top: 125px; }
  h1 { font-size: 50px; }
  .section { padding: 80px 0; }
  .identity-card, .capability-card, .principle { padding: 22px; }
  .detail-list div, .company-table div { grid-template-columns: 1fr; gap: 4px; }
  .contact-panel { padding: 28px; }
  .footer-grid { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
}