:root {
  --bg: #f6f3ea;
  --paper: #fffdf8;
  --ink: #1f2a30;
  --muted: #60717a;
  --line: #d7cfc1;
  --accent: #0f766e;
  --accent-deep: #115e59;
  --accent-soft: #d9f0ec;
  --hero: linear-gradient(135deg, #f7f0dc 0%, #f0f4ea 48%, #e1f1ee 100%);
  --shadow: 0 18px 44px rgba(31, 42, 48, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.08), transparent 24rem),
    linear-gradient(180deg, #f9f4e9 0%, var(--bg) 20rem, var(--bg) 100%);
  line-height: 1.65;
}

a {
  color: var(--accent-deep);
}

img {
  max-width: 100%;
  display: block;
}

.shell {
  width: min(1080px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(255, 253, 248, 0.88);
  border-bottom: 1px solid rgba(215, 207, 193, 0.9);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.site-brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
}

.site-brand__name {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-brand__tag {
  font-size: 0.92rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.site-nav a {
  text-decoration: none;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: var(--ink);
}

.site-nav a[aria-current="page"] {
  background: var(--accent-soft);
  border-color: rgba(15, 118, 110, 0.18);
  color: var(--accent-deep);
}

.page-content {
  padding: 2rem 0 4rem;
}

.hero {
  background: var(--hero);
  border: 1px solid rgba(215, 207, 193, 0.9);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 2.5rem;
  overflow: hidden;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  line-height: 0.98;
  margin: 0 0 1rem;
  max-width: 10ch;
}

.hero p {
  font-size: 1.08rem;
  max-width: 58rem;
  margin: 0 0 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.4rem;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 0.8rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(15, 118, 110, 0.16);
  background: var(--paper);
  color: var(--ink);
}

.button-link--strong {
  background: var(--accent-deep);
  color: #fff;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

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

.card {
  background: rgba(255, 253, 248, 0.84);
  border: 1px solid rgba(215, 207, 193, 0.95);
  border-radius: 22px;
  padding: 1.35rem;
  box-shadow: var(--shadow);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.eyebrow,
.page-kicker {
  margin: 0 0 0.5rem;
  color: var(--accent-deep);
  font-size: 0.88rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section {
  margin-top: 2rem;
}

.section h2 {
  font-size: 1.9rem;
  margin-bottom: 0.7rem;
}

.page-header {
  margin-bottom: 1.6rem;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  margin: 0;
}

.stat-list,
.figure-list {
  display: grid;
  gap: 1rem;
}

.stat {
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: rgba(255, 255, 255, 0.55);
  border-radius: 14px;
}

.figure-card {
  background: rgba(255, 253, 248, 0.86);
  border: 1px solid rgba(215, 207, 193, 0.95);
  border-radius: 24px;
  padding: 1rem;
  box-shadow: var(--shadow);
}

.figure-card img {
  border-radius: 16px;
  border: 1px solid rgba(31, 42, 48, 0.08);
  margin-bottom: 0.85rem;
}

.figure-card h3 {
  margin: 0.2rem 0 0.5rem;
}

.figure-card p {
  margin: 0.35rem 0;
}

.code-block {
  background: #182126;
  color: #f7f7f2;
  padding: 1rem 1.1rem;
  border-radius: 18px;
  overflow-x: auto;
}

.site-footer {
  padding: 0 0 2rem;
  color: var(--muted);
}

.highlight-question {
  margin: 1.4rem 0 1.8rem;
  padding: 1rem 1.1rem;
  border-left: 5px solid var(--accent-deep);
  border-radius: 14px;
  background: rgba(15, 118, 110, 0.08);
  color: var(--accent-deep);
  font-size: 1.18rem;
  font-weight: 700;
}

@media (max-width: 820px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .hero {
    padding: 1.5rem;
  }
}