:root {
  color-scheme: dark;
  --bg: #0b0e14;
  --bg-deep: #060810;
  --surface: #121824;
  --surface-alt: #1a2234;
  --text: #eef2f8;
  --muted: #8894a8;
  --control: #5b8fd4;
  --control-bright: #8bb8f0;
  --relax: #6bc4a8;
  --relax-soft: rgba(107, 196, 168, 0.2);
  --avrana: #c4a8e8;
  --avrana-glow: rgba(196, 168, 232, 0.25);
  --border: rgba(139, 184, 240, 0.12);
  --shadow: 0 28px 72px rgba(91, 143, 212, 0.14);
  --radius: 12px;
  --font-display: "SF Pro Display", system-ui, -apple-system, sans-serif;
  --font-body:
    "SF Pro Text",
    Inter,
    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);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 50% 0%, var(--avrana-glow), transparent 55%),
    radial-gradient(ellipse 40% 35% at 100% 80%, var(--relax-soft), transparent 50%),
    var(--bg);
}

.backdrop__pulse {
  position: absolute;
  top: 15%;
  left: 50%;
  width: 320px;
  height: 320px;
  transform: translateX(-50%);
  border-radius: 50%;
  border: 1px solid rgba(107, 196, 168, 0.15);
  opacity: 0.5;
}

.backdrop__pulse::before {
  content: "";
  position: absolute;
  inset: 40px;
  border-radius: 50%;
  border: 1px solid rgba(91, 143, 212, 0.2);
}

.page {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 76px;
}

.hero {
  margin-bottom: 32px;
  padding: 40px 36px 44px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(165deg, var(--surface-alt) 0%, var(--surface) 100%);
  box-shadow: var(--shadow);
  text-align: center;
}

.control-ring {
  display: inline-grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin-bottom: 22px;
  border-radius: 50%;
  border: 2px solid var(--control);
  background: radial-gradient(circle, rgba(91, 143, 212, 0.15), transparent 70%);
  box-shadow: 0 0 32px rgba(91, 143, 212, 0.25);
}

.control-ring__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--relax);
  box-shadow: 0 0 16px var(--relax);
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--relax);
}

.brand-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

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

.brand-title .colon {
  font-weight: 300;
  color: var(--muted);
  margin: 0 0.05em;
}

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

.brand-title .relax {
  display: block;
  margin-top: 6px;
  font-size: 0.48em;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--relax);
}

h1 {
  margin: 20px 0 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  margin: 14px auto 0;
  max-width: 46ch;
  font-size: 0.98rem;
  color: var(--muted);
}

.updated {
  display: inline-block;
  margin-top: 18px;
  padding: 8px 18px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text);
  background: rgba(91, 143, 212, 0.15);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.highlights li {
  padding: 22px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  text-align: center;
}

.highlights li:nth-child(1) {
  border-top: 2px solid var(--avrana);
}

.highlights li:nth-child(2) {
  border-top: 2px solid var(--control);
}

.highlights li:nth-child(3) {
  border-top: 2px solid var(--relax);
}

.highlights strong {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9rem;
  font-weight: 750;
  color: var(--control-bright);
}

.highlights span {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.5;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

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

.card--wide {
  grid-column: 1 / -1;
}

.card h2 {
  margin: 0 0 10px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--avrana);
}

.card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

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

a {
  color: var(--control-bright);
  font-weight: 650;
}

a:hover {
  color: var(--relax);
}

.footer {
  margin-top: 36px;
  padding: 22px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(120deg, rgba(196, 168, 232, 0.1), rgba(107, 196, 168, 0.08));
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--muted);
}

.footer strong {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

@media (max-width: 720px) {
  .highlights,
  .cards {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .page {
    padding: 32px 0 56px;
  }

  .hero {
    padding: 30px 22px 34px;
  }
}
