:root {
  color-scheme: dark;
  --ink: #f6f8fb;
  --muted: #a9b3c2;
  --panel: #121923;
  --panel-strong: #17212e;
  --line: #2a3646;
  --orange: #ff7a1a;
  --cyan: #46d6d1;
  --bg: #080c12;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 12%, rgba(70, 214, 209, .10), transparent 28rem),
    radial-gradient(circle at 8% 34%, rgba(255, 122, 26, .08), transparent 24rem),
    var(--bg);
  font-size: 1rem;
  line-height: 1.65;
}

a { color: inherit; }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(8, 12, 18, .86);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 76px;
  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: -.02em;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 9px;
  background: linear-gradient(135deg, var(--orange), #ff9f53 52%, var(--cyan) 53%, #8ce8e4);
  color: #081018;
  font-weight: 900;
}

.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav-links a:hover { color: var(--ink); }

.hero {
  display: grid;
  min-height: 640px;
  align-items: center;
  grid-template-columns: 1.15fr .85fr;
  gap: 72px;
  padding: 96px 0 88px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
  font-size: .84rem;
  font-weight: 760;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.045em; }
h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(3rem, 7vw, 6.5rem); }
h2 { margin-bottom: 18px; font-size: clamp(2rem, 4.2vw, 3.6rem); }
h3 { margin-bottom: 10px; font-size: 1.25rem; letter-spacing: -.025em; }

.lede {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.hero-card {
  position: relative;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(23,33,46,.95), rgba(10,15,22,.88));
  box-shadow: 0 34px 100px rgba(0,0,0,.35);
}

.hero-card::before,
.hero-card::after {
  position: absolute;
  content: "";
  border-radius: 999px;
}

.hero-card::before {
  top: 58px;
  right: -54px;
  width: 270px;
  height: 270px;
  border: 32px solid var(--cyan);
  opacity: .68;
}

.hero-card::after {
  bottom: -75px;
  left: -75px;
  width: 260px;
  height: 260px;
  background: var(--orange);
  opacity: .82;
}

.signal {
  position: absolute;
  z-index: 2;
  top: 48%;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 9px;
  transform: translate(-50%, -50%);
}

.signal span {
  width: 9px;
  border-radius: 99px;
  background: var(--ink);
  box-shadow: 0 0 22px rgba(255,255,255,.28);
}

.signal span:nth-child(1), .signal span:nth-child(7) { height: 34px; }
.signal span:nth-child(2), .signal span:nth-child(6) { height: 74px; }
.signal span:nth-child(3), .signal span:nth-child(5) { height: 116px; }
.signal span:nth-child(4) { height: 156px; background: var(--orange); }

.section { padding: 92px 0; border-top: 1px solid rgba(255,255,255,.08); }
.section-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.section-intro p { margin-top: 5px; color: var(--muted); font-size: 1.1rem; }

.product-card {
  display: grid;
  margin-top: 54px;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(140deg, var(--panel-strong), var(--panel));
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.status {
  display: inline-flex;
  margin-bottom: 24px;
  padding: 7px 11px;
  border: 1px solid rgba(70,214,209,.32);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(70,214,209,.08);
  font-size: .82rem;
  font-weight: 700;
}

.product-copy p { color: var(--muted); }
.feature-list { display: grid; gap: 1px; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.feature { padding: 19px 20px; background: rgba(8,12,18,.45); }
.feature strong { display: block; margin-bottom: 3px; }
.feature span { color: var(--muted); font-size: .95rem; }

.text-link {
  display: inline-flex;
  margin-top: 18px;
  color: var(--ink);
  text-underline-offset: 5px;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
}

.principles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
.principle { padding: 28px; border-top: 2px solid var(--orange); background: rgba(18,25,35,.72); }
.principle:nth-child(2) { border-color: var(--cyan); }
.principle p { margin-bottom: 0; color: var(--muted); }

.site-footer { padding: 36px 0 48px; border-top: 1px solid rgba(255,255,255,.08); color: var(--muted); }
.footer-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.footer-row p { margin: 0; }
.footer-row a { text-underline-offset: 4px; }

.legal-wrap { width: min(880px, calc(100% - 40px)); margin: 0 auto; padding: 80px 0 100px; }
.legal-wrap h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
.legal-section { padding: 34px 0; border-top: 1px solid var(--line); }
.legal-section h2 { font-size: 1.55rem; letter-spacing: -.025em; }
.legal-section p, .legal-section li { color: #c5ced9; }
.legal-section li + li { margin-top: 9px; }
.legal-meta { color: var(--muted); }
.source-links { display: grid; gap: 10px; }
.source-links a { color: var(--cyan); text-underline-offset: 4px; }

@media (max-width: 780px) {
  .shell, .legal-wrap { width: min(100% - 28px, 680px); }
  .nav { min-height: 68px; }
  .nav-links a:first-child { display: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 48px; padding: 72px 0; }
  .hero-card { min-height: 310px; }
  .section { padding: 68px 0; }
  .section-intro, .product-card { grid-template-columns: 1fr; gap: 34px; }
  .principles { grid-template-columns: 1fr; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}