:root {
  color-scheme: dark;
  --bg: #0b1220;
  --panel: #111c2d;
  --text: #f3f7fc;
  --muted: #aab8ca;
  --accent: #69e6c4;
  --accent-dark: #112d2a;
  --line: rgba(210, 230, 245, 0.13);
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(ellipse at 75% 12%, rgba(53, 117, 132, 0.16), transparent 34rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a { color: inherit; }

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
  border-radius: 4px;
}

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

header {
  border-bottom: 1px solid var(--line);
  padding: 20px 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border: 1px solid rgba(105, 230, 196, 0.35);
  border-radius: 11px;
  background: var(--accent-dark);
  color: var(--accent);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px 20px;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--accent);
}

main { min-height: 65vh; }

.hero {
  padding-block: clamp(64px, 10vw, 112px);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(250px, 0.85fr);
  align-items: center;
  gap: 60px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1, h2, h3 {
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 5rem);
  letter-spacing: -0.055em;
}

h1 span { color: var(--accent); }

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

p { margin: 0 0 16px; }

.lead {
  max-width: 650px;
  margin-top: 22px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
}

.muted { color: var(--muted); }

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0 19px;
  border: 1px solid var(--accent);
  border-radius: 999px;
  background: var(--accent);
  color: #062019;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  background: #8af1d5;
}

.text-link {
  color: var(--muted);
  text-underline-offset: 4px;
}

.section { padding-block: 18px 64px; }

.section-heading {
  max-width: 700px;
  margin-bottom: 24px;
}

.section-heading p { color: var(--muted); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card, .panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(17, 28, 45, 0.82);
}

.card p:last-child, .panel p:last-child { margin-bottom: 0; }

.card-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--accent);
  font-weight: 700;
  text-underline-offset: 4px;
}

.page-intro {
  padding-block: 64px 30px;
}

.page-intro h1 {
  max-width: 850px;
  font-size: clamp(2.4rem, 6vw, 4rem);
}

.page-intro .lead { max-width: 760px; }

.content {
  max-width: 820px;
  padding-bottom: 72px;
}

.content section {
  margin: 0 0 34px;
  scroll-margin-top: 24px;
}

.content ul, .content ol {
  padding-left: 1.3rem;
  color: var(--muted);
}

.content li { margin: 0 0 8px; }

.callout {
  margin: 24px 0;
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
  border-radius: 0 14px 14px 0;
  background: rgba(105, 230, 196, 0.07);
}

.callout p:last-child { margin-bottom: 0; }

footer {
  padding: 22px 0 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.footer-links a { text-underline-offset: 3px; }

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links { justify-content: flex-start; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .card-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .wrap { width: min(100% - 28px, 1120px); }
  .card, .panel { padding: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}