:root {
  color-scheme: light;
  --bg: #f5f7f4;
  --paper: #ffffff;
  --ink: #1c2520;
  --muted: #66756d;
  --line: #d8ded8;
  --accent: #00796b;
  --accent-dark: #005f54;
  --warm: #b45309;
  --rose: #be123c;
  --code-bg: #eef2ee;
  --shadow: 0 18px 45px rgba(31, 42, 36, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.68;
  letter-spacing: 0;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(245, 247, 244, 0.92);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 5;
}

.nav-wrap,
.page,
.site-footer {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.nav-wrap {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background:
    linear-gradient(135deg, var(--accent) 0 50%, transparent 50%),
    linear-gradient(315deg, var(--warm) 0 50%, var(--paper) 50%);
  border: 1px solid rgba(28, 37, 32, 0.18);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 0.94rem;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  background: rgba(0, 121, 107, 0.08);
}

.page {
  padding: 54px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.8fr);
  gap: 44px;
  align-items: center;
  padding: 8px 0 42px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  color: var(--rose);
  font-size: 0.82rem;
  font-weight: 700;
  margin: 0 0 10px;
}

h1,
h2,
h3 {
  line-height: 1.18;
  margin: 0;
  letter-spacing: 0;
}

.hero h1 {
  font-size: 3.1rem;
  max-width: 780px;
}

.hero p {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 660px;
  margin: 18px 0 0;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.button.secondary {
  background: transparent;
  color: var(--accent-dark);
}

.hero-visual {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--paper);
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 46px 0 18px;
}

.section-head h2 {
  font-size: 1.5rem;
}

.section-head a {
  font-weight: 700;
  text-decoration: none;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.post-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(31, 42, 36, 0.05);
  min-width: 0;
}

.post-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}

.post-card-body {
  padding: 18px;
}

.meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0 0 8px;
}

.post-card h3 {
  font-size: 1.12rem;
}

.post-card h3 a {
  color: var(--ink);
  text-decoration: none;
}

.post-card p {
  color: var(--muted);
  margin: 10px 0 0;
}

.archive-list {
  display: grid;
  gap: 14px;
}

.archive-item {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.archive-item time {
  color: var(--muted);
  font-size: 0.92rem;
}

.archive-item h2 {
  font-size: 1.22rem;
  margin-bottom: 8px;
}

.archive-item h2 a {
  color: var(--ink);
  text-decoration: none;
}

.tag-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 121, 107, 0.09);
  color: var(--accent-dark);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 700;
}

.post-shell {
  width: min(780px, calc(100% - 32px));
  margin: 0 auto;
  padding: 46px 0 76px;
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--muted);
  text-decoration: none;
}

.post-title {
  font-size: 2.45rem;
}

.lead {
  color: var(--muted);
  font-size: 1.08rem;
  margin: 16px 0 0;
}

.cover {
  margin: 30px 0;
}

.cover img {
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.prose {
  font-size: 1.04rem;
}

.prose h2 {
  font-size: 1.45rem;
  margin: 38px 0 12px;
}

.prose h3 {
  font-size: 1.18rem;
  margin: 28px 0 10px;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote,
.prose pre {
  margin: 16px 0;
}

.prose blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 16px;
  color: var(--muted);
}

.prose code {
  background: var(--code-bg);
  border-radius: 5px;
  padding: 0.13em 0.35em;
  font-size: 0.92em;
}

.prose pre {
  overflow-x: auto;
  background: #17211c;
  color: #f5f7f4;
  border-radius: 8px;
  padding: 18px;
}

.prose pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

.prose figure {
  margin: 24px 0;
}

.prose figure img {
  border-radius: 8px;
  border: 1px solid var(--line);
}

.prose figcaption {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 8px;
}

.post-footer {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 38px;
  color: var(--muted);
  font-size: 0.92rem;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.empty {
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 2.35rem;
  }

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

@media (max-width: 620px) {
  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
    gap: 10px;
  }

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

  .page {
    padding-top: 34px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .post-grid,
  .archive-item {
    grid-template-columns: 1fr;
  }

  .archive-item {
    gap: 4px;
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }

  .post-title {
    font-size: 1.9rem;
  }
}