:root {
  --paper: #f4f1e8;
  --ink: #16211d;
  --muted: #66716b;
  --line: #d3d5ca;
  --accent: #176b55;
  --accent-soft: #dce9e1;
  --card: rgba(255, 255, 255, 0.54);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 8%, rgba(23, 107, 85, 0.13), transparent 28rem),
    linear-gradient(rgba(22, 33, 29, 0.025) 1px, transparent 1px);
  background-size: auto, 100% 3rem;
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 92px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08rem;
}

.edition {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(270px, 0.7fr);
  gap: 72px;
  align-items: end;
  padding: 116px 0 104px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 28px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 6.6vw, 6.4rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.intro {
  max-width: 650px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.65;
}

.status-card {
  display: flex;
  gap: 14px;
  padding: 22px;
  border: 1px solid rgba(23, 107, 85, 0.28);
  border-radius: 18px;
  background: var(--accent-soft);
}

.status-dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(23, 107, 85, 0.12);
}

.status-card strong {
  font-size: 0.88rem;
}

.status-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.notes {
  padding: 78px 0 88px;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 48px;
}

h2 {
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.note-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.note-grid article {
  min-height: 270px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  backdrop-filter: blur(8px);
}

.note-number {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
}

h3 {
  margin: 64px 0 16px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.55rem;
  font-weight: 400;
  letter-spacing: -0.02em;
}

.note-grid p,
.method > p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.method {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: end;
  padding: 88px 0 104px;
  border-top: 1px solid var(--line);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 84px 0 76px;
  }

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

  .note-grid article {
    min-height: 220px;
  }

  h3 {
    margin-top: 42px;
  }

  .method {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 560px) {
  .site-header,
  main,
  footer {
    width: min(100% - 28px, 1120px);
  }

  .site-header {
    min-height: 76px;
  }

  .edition {
    display: none;
  }

  h1 {
    font-size: clamp(2.85rem, 15vw, 4.6rem);
  }

  .section-heading,
  footer {
    display: block;
  }

  footer span {
    display: block;
    margin-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}
