:root {
  color-scheme: dark;
  --bg: #071014;
  --panel: #0d1a20;
  --panel-strong: #13252d;
  --text: #f2f7f8;
  --muted: #a9bcc3;
  --line: rgba(255, 255, 255, 0.12);
  --accent: #54d6b0;
  --accent-strong: #8ce8ca;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 8%, rgba(84, 214, 176, 0.14), transparent 30rem),
    linear-gradient(180deg, #071014 0%, #09151a 100%);
  color: var(--text);
}

a { color: inherit; }

.shell {
  width: min(70rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(3rem, 8vw, 7rem);
}

.brand,
.back {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}

.brand img { width: 2rem; height: 2rem; }
.brand:hover, .back:hover { color: var(--text); }

.hero { max-width: 56rem; }

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.7rem, 8vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.lede {
  max-width: 48rem;
  margin: 1.6rem 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2.4vw, 1.35rem);
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--panel);
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  border-color: transparent;
  background: var(--accent);
  color: #052019;
}

.button:hover { transform: translateY(-1px); }

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin: clamp(3rem, 7vw, 5rem) 0;
}

.metric,
.card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(13, 26, 32, 0.82);
}

.metric { padding: 1.2rem; }
.metric strong { display: block; font-size: 1.5rem; }
.metric span { color: var(--muted); font-size: 0.9rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.card { padding: clamp(1.25rem, 3vw, 2rem); }
.card h2 { margin: 0 0 0.8rem; font-size: 1.15rem; }
.card p, .card li { color: var(--muted); line-height: 1.65; }
.card ul { margin: 0; padding-left: 1.15rem; }

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.2rem;
}

.tag {
  padding: 0.42rem 0.66rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 0.82rem;
}

.note {
  margin-top: 1rem;
  padding: 1.2rem;
  border-left: 3px solid var(--accent);
  background: var(--panel-strong);
  color: var(--muted);
  line-height: 1.6;
}

@media (max-width: 44rem) {
  .shell { width: min(calc(100% - 1.25rem), 70rem); }
  .nav { gap: 0.5rem; margin-bottom: 3rem; }
  .brand, .back { font-size: 0.8rem; }
  .brand img { width: 1.75rem; height: 1.75rem; }
  .metrics, .grid { grid-template-columns: 1fr; }
  h1 { font-size: clamp(2.55rem, 15vw, 4.2rem); }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}