:root {
  --ink: #08111f;
  --ink-2: #102033;
  --ink-3: #17304b;
  --paper: #f7fafc;
  --white: #ffffff;
  --muted: #6a7686;
  --line: #dbe4ec;
  --teal: #18c7b5;
  --teal-dark: #0b8f84;
  --sky: #78b8ff;
  --gold: #d4a44d;
  --danger: #d45151;
  --shadow: 0 22px 70px rgba(8, 17, 31, .14);
  --shadow-soft: 0 12px 35px rgba(8, 17, 31, .08);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1180px;
}
* { 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;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  background: var(--white);
  color: var(--ink);
  padding: 10px 14px;
  border-radius: 8px;
  z-index: 999;
}
.skip-link:focus { top: 12px; }
.wrap { width: min(var(--max), calc(100% - 38px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 17, 31, .93);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--white);
  font-weight: 800;
  letter-spacing: -.02em;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 11px;
  position: relative;
  background: linear-gradient(145deg, rgba(24,199,181,.26), rgba(120,184,255,.12));
  box-shadow: inset 0 0 24px rgba(24,199,181,.1);
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  width: 6px;
  border: 2px solid var(--teal);
}
.brand-mark::before { left: 8px; border-right: 0; border-radius: 4px 0 0 4px; }
.brand-mark::after { right: 8px; border-left: 0; border-radius: 0 4px 4px 0; }
.brand small {
  display: block;
  color: #9fb0c4;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a {
  text-decoration: none;
  color: #c9d4df;
  font-size: .94rem;
  font-weight: 650;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--white); }
.nav-cta {
  border: 1px solid rgba(24,199,181,.5);
  padding: 10px 15px;
  border-radius: 999px;
  color: var(--white) !important;
  background: rgba(24,199,181,.1);
}
.menu-toggle {
  display: none;
  border: 1px solid rgba(255,255,255,.15);
  background: transparent;
  color: var(--white);
  border-radius: 10px;
  padding: 9px 11px;
  font: inherit;
}
.hero {
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 15%, rgba(24,199,181,.18), transparent 30%),
    radial-gradient(circle at 15% 85%, rgba(120,184,255,.14), transparent 28%),
    linear-gradient(135deg, #07111f 0%, #0b1828 55%, #102a36 100%);
}
.hero-grid {
  min-height: 700px;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  align-items: center;
  gap: 64px;
  padding: 90px 0 84px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: .78rem;
  letter-spacing: .11em;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--teal);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
h1, h2, h3, h4 { margin: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { font-size: clamp(3.2rem, 6vw, 6.25rem); max-width: 880px; }
h2 { font-size: clamp(2.2rem, 4vw, 4rem); }
h3 { font-size: 1.35rem; }
.lead {
  font-size: clamp(1.1rem, 1.7vw, 1.34rem);
  color: #c4d0dc;
  max-width: 760px;
  margin: 24px 0 0;
}
.hero-actions,
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 18px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 800;
  font-size: .95rem;
  border: 1px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--teal); color: #04221f; box-shadow: 0 12px 30px rgba(24,199,181,.2); }
.btn-secondary { border-color: rgba(255,255,255,.18); color: var(--white); background: rgba(255,255,255,.04); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-outline { border-color: var(--line); background: var(--white); color: var(--ink); }
.proof-panel {
  border: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  box-shadow: 0 34px 100px rgba(0,0,0,.2);
  border-radius: 28px;
  padding: 24px;
  position: relative;
}
.proof-panel::after {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(24,199,181,.09);
  border-radius: 20px;
  pointer-events: none;
}
.proof-kicker { color: #8ea1b5; font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 800; }
.proof-step {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.proof-step:last-child { border-bottom: 0; }
.step-no {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(24,199,181,.1);
  color: var(--teal);
  border: 1px solid rgba(24,199,181,.22);
  font-weight: 900;
}
.proof-step strong { display: block; font-size: .96rem; }
.proof-step span { color: #93a4b7; font-size: .83rem; }
.status-pill { color: #9ae8df !important; border: 1px solid rgba(24,199,181,.24); background: rgba(24,199,181,.08); padding: 5px 8px; border-radius: 999px; font-size: .68rem !important; font-weight: 800; }
.trust-strip { background: var(--white); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 24px 18px; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { display: block; font-size: .98rem; }
.trust-item span { display: block; color: var(--muted); font-size: .83rem; margin-top: 4px; }
.section { padding: 100px 0; }
.section-tight { padding: 72px 0; }
.section-dark { color: var(--white); background: var(--ink); }
.section-alt { background: #eef4f7; }
.section-head { display: grid; grid-template-columns: .75fr 1.25fr; gap: 56px; align-items: end; margin-bottom: 46px; }
.section-head p { margin: 0; color: var(--muted); font-size: 1.05rem; max-width: 680px; }
.section-dark .section-head p { color: #aab9c8; }
.kicker { color: var(--teal-dark); text-transform: uppercase; letter-spacing: .1em; font-weight: 850; font-size: .76rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-soft);
}
.card.dark { background: #0d1c2d; border-color: rgba(255,255,255,.08); box-shadow: none; }
.card p { color: var(--muted); margin: 12px 0 0; }
.card.dark p { color: #9fb0c1; }
.card .link { display: inline-flex; margin-top: 20px; font-weight: 800; text-decoration: none; color: var(--teal-dark); }
.card.dark .link { color: var(--teal); }
.icon-box { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; color: var(--teal-dark); background: rgba(24,199,181,.1); border: 1px solid rgba(24,199,181,.18); margin-bottom: 20px; font-weight: 900; }
.architecture {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.arch-step { padding: 30px 24px; position: relative; border-right: 1px solid var(--line); }
.arch-step:last-child { border-right: 0; }
.arch-step::after { content: "→"; position: absolute; right: -10px; top: 28px; width: 20px; height: 20px; background: var(--white); color: var(--teal-dark); font-weight: 900; z-index: 2; }
.arch-step:last-child::after { display: none; }
.arch-step b { color: var(--teal-dark); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
.arch-step h3 { margin-top: 8px; }
.arch-step p { color: var(--muted); font-size: .92rem; }
.callout {
  border-radius: 28px;
  padding: 38px;
  background: linear-gradient(135deg, #0b1b2b, #123348);
  color: var(--white);
  box-shadow: var(--shadow);
}
.callout p { color: #b6c5d2; max-width: 760px; }
.quote {
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1.22;
  letter-spacing: -.03em;
  max-width: 970px;
}
.metric-line { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.metric-chip { border: 1px solid rgba(255,255,255,.13); background: rgba(255,255,255,.05); padding: 8px 10px; border-radius: 999px; color: #c4d1dd; font-size: .8rem; font-weight: 700; }
.page-hero { background: linear-gradient(135deg, #07111f, #102d3d); color: var(--white); padding: 110px 0 80px; }
.page-hero h1 { font-size: clamp(3rem, 5vw, 5.2rem); max-width: 930px; }
.page-hero p { color: #c4d0dc; font-size: 1.16rem; max-width: 760px; }
.breadcrumb { color: #8fa4b8; font-size: .82rem; margin-bottom: 22px; }
.breadcrumb a { color: #b9c7d4; text-decoration: none; }
.list-check { list-style: none; padding: 0; margin: 18px 0 0; }
.list-check li { position: relative; padding-left: 28px; margin: 11px 0; color: var(--muted); }
.list-check li::before { content: "✓"; position: absolute; left: 0; color: var(--teal-dark); font-weight: 900; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: start; }
.surface { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow-soft); }
.notice { border-left: 4px solid var(--teal); background: rgba(24,199,181,.07); padding: 18px 20px; border-radius: 0 12px 12px 0; }
.notice strong { display: block; }
.code-route { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; background: #07111f; color: #cfe8e4; border-radius: 14px; padding: 16px 18px; overflow: auto; font-size: .86rem; }
.contact-card { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: center; }
.email-link { font-size: clamp(1.25rem, 3vw, 2rem); font-weight: 900; letter-spacing: -.03em; color: var(--ink); text-decoration: none; }
.site-footer { background: #06101c; color: #aab9c8; padding: 54px 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.25fr .75fr .75fr; gap: 50px; }
.footer-title { color: var(--white); font-weight: 850; }
.footer-links { display: grid; gap: 9px; }
.footer-links a { text-decoration: none; color: #aab9c8; font-size: .9rem; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.08); display: flex; justify-content: space-between; gap: 20px; font-size: .78rem; }
.tag { display: inline-flex; align-items: center; padding: 7px 9px; border-radius: 999px; font-size: .72rem; font-weight: 800; color: var(--teal-dark); background: rgba(24,199,181,.09); border: 1px solid rgba(24,199,181,.17); }
@media (max-width: 980px) {
  .hero-grid, .section-head, .split { grid-template-columns: 1fr; }
  .hero-grid { min-height: 0; gap: 48px; }
  .grid-4, .architecture { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .architecture .arch-step:nth-child(2) { border-right: 0; }
  .architecture .arch-step:nth-child(2)::after { display: none; }
  .architecture .arch-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .menu-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 14px;
    right: 14px;
    top: 68px;
    padding: 18px;
    border-radius: 16px;
    background: #081522;
    border: 1px solid rgba(255,255,255,.1);
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 8px 4px; }
  .hero-grid { padding: 70px 0 66px; }
  h1 { font-size: clamp(2.9rem, 14vw, 4.2rem); }
  .trust-grid, .grid-2, .grid-3, .grid-4, .architecture { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-item:last-child { border-bottom: 0; }
  .architecture .arch-step { border-right: 0; border-bottom: 1px solid var(--line); }
  .architecture .arch-step::after { display: none; }
  .architecture .arch-step:last-child { border-bottom: 0; }
  .section { padding: 74px 0; }
  .section-tight { padding: 54px 0; }
  .proof-step { grid-template-columns: 40px 1fr; }
  .status-pill { display: none; }
  .contact-card, .footer-grid, .footer-bottom { grid-template-columns: 1fr; display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}