:root {
  color-scheme: light;
  --bg: #f4f2ee;
  --bg-stone: #e8e4dc;
  --surface: #ffffff;
  --text: #1c1a18;
  --muted: #6a6560;
  --arch: #5c6b7a;
  --arch-deep: #3d4a56;
  --aura: #8b9fd4;
  --aura-soft: #c8d4f0;
  --stone: #a89f94;
  --border: rgba(28, 26, 24, 0.1);
  --shadow: 0 24px 64px rgba(61, 74, 86, 0.12);
  --radius: 4px;
  --radius-arch: 120px 120px 0 0;
  --font-display: "Avenir Next", "Segoe UI", system-ui, 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);
  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:
    linear-gradient(180deg, var(--bg-stone) 0%, var(--bg) 40%, #faf9f7 100%);
}

.backdrop__arch {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(500px, 90vw);
  height: 250px;
  border-radius: var(--radius-arch);
  border: 1px solid rgba(92, 107, 122, 0.15);
  border-bottom: none;
  background: linear-gradient(180deg, rgba(139, 159, 212, 0.08), transparent);
  opacity: 0.7;
}

.page {
  position: relative;
  z-index: 1;
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
  padding: 56px 0 88px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 2px solid var(--arch);
}

.arch-mark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.arch-mark__shape {
  width: 100%;
  max-width: 200px;
  height: 100px;
  border: 3px solid var(--arch);
  border-bottom: none;
  border-radius: 100px 100px 0 0;
  margin-bottom: 16px;
  position: relative;
}

.arch-mark__shape::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--arch);
}

.hero__copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--arch);
}

.brand-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.brand-title .arch {
  font-weight: 700;
  color: var(--arch-deep);
}

.brand-title .amp {
  font-weight: 200;
  color: var(--stone);
  margin: 0 0.1em;
}

.brand-title .aura {
  font-weight: 600;
  color: var(--aura);
}

h1 {
  margin: 20px 0 0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.lead {
  margin-top: 14px;
  max-width: 48ch;
  font-size: 1rem;
  color: var(--muted);
}

.updated {
  margin-top: 18px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--arch);
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 0 0 40px;
  padding: 0;
  list-style: none;
  border: 1px solid var(--border);
}

.highlights li {
  padding: 28px 24px;
  background: var(--surface);
  border-right: 1px solid var(--border);
}

.highlights li:last-child {
  border-right: none;
}

.highlights strong {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--arch-deep);
}

.highlights span {
  font-size: 0.84rem;
  color: var(--muted);
  line-height: 1.55;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px 32px;
}

.card {
  padding: 0 0 0 20px;
  border-left: 3px solid var(--aura-soft);
  background: transparent;
}

.card:nth-child(even) {
  border-left-color: var(--arch);
}

.card--wide {
  grid-column: 1 / -1;
  padding: 24px 28px;
  border-left: none;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
}

.card h2 {
  margin: 0 0 10px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--arch);
}

.card p {
  margin: 0;
  font-size: 0.91rem;
  color: var(--muted);
}

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

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

a:hover {
  color: var(--arch-deep);
}

.footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--muted);
}

.footer strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .arch-mark {
    align-items: center;
  }

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

  .highlights li {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .highlights li:last-child {
    border-bottom: none;
  }

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

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

@media (max-width: 480px) {
  .page {
    padding: 36px 0 64px;
  }
}
