:root {
  color-scheme: dark;
  --bg: #0f1419;
  --bg-deep: #080b0f;
  --surface: #171d24;
  --surface-raised: #1e2630;
  --text: #eef2f6;
  --muted: #8b96a3;
  --stay: #5ec4b6;
  --stay-dim: rgba(94, 196, 182, 0.14);
  --key: #e8b84a;
  --key-dim: rgba(232, 184, 74, 0.12);
  --border: rgba(238, 242, 246, 0.08);
  --glow: 0 0 80px rgba(94, 196, 182, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display:
    "SF Pro Display",
    "Segoe UI",
    ui-sans-serif,
    system-ui,
    -apple-system,
    sans-serif;
  --font-body:
    "SF Pro Text",
    "Segoe UI",
    ui-sans-serif,
    system-ui,
    -apple-system,
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 70% 50% at 15% 0%, var(--stay-dim), transparent 55%),
    radial-gradient(ellipse 50% 40% at 90% 100%, var(--key-dim), transparent 50%),
    linear-gradient(165deg, var(--bg-deep) 0%, var(--bg) 45%, #121820 100%);
}

.backdrop__key {
  position: absolute;
  top: 8%;
  right: 6%;
  width: 140px;
  height: 140px;
  border: 2px solid rgba(232, 184, 74, 0.15);
  border-radius: 50%;
  opacity: 0.5;
}

.backdrop__key::after {
  content: "";
  position: absolute;
  inset: 28%;
  border: 2px solid rgba(232, 184, 74, 0.2);
  border-radius: 50%;
}

.page {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 48px 0 80px;
}

.hero {
  margin-bottom: 36px;
}

.hero__card {
  padding: 36px 32px 32px;
  background: linear-gradient(145deg, var(--surface-raised) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--glow);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
  padding: 6px 14px;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--key);
  background: var(--key-dim);
  border-radius: 999px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--stay);
  box-shadow: 0 0 8px var(--stay);
}

.brand-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 9vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.brand-title .stay {
  color: var(--stay);
}

.brand-title .key {
  color: var(--key);
}

h1 {
  margin: 22px 0 0;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  margin-top: 16px;
  max-width: 52ch;
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.75;
}

.updated {
  margin-top: 20px;
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(94, 196, 182, 0.75);
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.highlights li {
  padding: 22px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--stay);
}

.highlights li:nth-child(2) {
  border-left-color: var(--key);
}

.highlights li:nth-child(3) {
  border-left-color: rgba(238, 242, 246, 0.25);
}

.highlights strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

.highlights span {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}

.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.card {
  padding: 24px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--key);
}

.card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  line-height: 1.65;
}

.card p + p {
  margin-top: 10px;
}

.card--wide {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(30, 38, 48, 0.6) 100%);
}

a {
  color: var(--stay);
  text-decoration: none;
  border-bottom: 1px solid rgba(94, 196, 182, 0.35);
}

a:hover {
  color: var(--key);
  border-bottom-color: rgba(232, 184, 74, 0.45);
}

.footer {
  margin-top: 40px;
  padding: 22px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.footer strong {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--text);
}

.footer strong .stay {
  color: var(--stay);
}

.footer strong .key {
  color: var(--key);
}

@media (max-width: 760px) {
  .highlights {
    grid-template-columns: 1fr;
  }

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

  .card--wide {
    grid-column: auto;
  }

  .hero__card {
    padding: 28px 22px 24px;
  }

  .backdrop__key {
    width: 90px;
    height: 90px;
    top: 4%;
    right: 4%;
  }
}

@media (max-width: 480px) {
  .page {
    padding: 32px 0 56px;
    width: min(100% - 24px, 920px);
  }
}