:root {
  color-scheme: light;
  --ink: #151515;
  --muted: #5f646d;
  --line: #dedbd2;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --accent: #0d766e;
  --accent-strong: #9a3412;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 246, 0.92);
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
}

.brand {
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 12px;
  font-size: 0.84rem;
}

nav a {
  color: var(--muted);
  text-decoration: none;
}

main {
  min-height: 72vh;
}

.hero {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(56px, 9vw, 112px) clamp(18px, 4vw, 32px) 36px;
}

.eyebrow,
.date {
  margin: 0 0 12px;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2 {
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 7rem);
}

.hero p:last-child {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
}

.post-list {
  max-width: 980px;
  margin: 0 auto;
  padding: 8px clamp(18px, 4vw, 32px) 72px;
  display: grid;
  gap: 18px;
}

.post-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(20px, 3vw, 30px);
}

.post-card h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2.3rem);
}

.post-card h2 a,
.read-link,
.back-link {
  text-decoration-color: color-mix(in srgb, var(--accent), transparent 55%);
  text-underline-offset: 4px;
}

.post-card p {
  max-width: 760px;
  color: var(--muted);
}

.read-link,
.back-link {
  color: var(--accent);
  font-weight: 700;
}

.article {
  max-width: 790px;
  margin: 0 auto;
  padding: clamp(36px, 8vw, 86px) clamp(18px, 4vw, 32px) 84px;
}

.article h1 {
  margin: 10px 0 18px;
  font-size: clamp(2rem, 5vw, 4.8rem);
}

.summary {
  color: var(--accent);
  font-size: clamp(1.14rem, 2vw, 1.36rem);
  font-weight: 700;
}

.article p {
  font-size: 1.08rem;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 28px clamp(18px, 4vw, 56px);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

footer p {
  margin: 0;
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }
}