:root {
  --bg: #f7f2e8;
  --bg-soft: #fbf8f1;
  --panel: rgba(255, 252, 247, 0.92);
  --panel-strong: rgba(255, 250, 243, 0.98);
  --line: rgba(126, 105, 74, 0.18);
  --text: #2b2218;
  --muted: #66584a;
  --accent: #1f7a5a;
  --accent-2: #2c6aa0;
  --warning: #9a6a22;
  --shadow: 0 18px 40px rgba(110, 88, 58, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(214, 198, 170, 0.35), transparent 34%),
    radial-gradient(circle at 85% 12%, rgba(191, 221, 210, 0.3), transparent 24%),
    linear-gradient(180deg, #fcfaf5 0%, #f6f0e5 58%, #f4ede2 100%);
}

body::before {
  position: fixed;
  inset: 0;
  content: "";
  pointer-events: none;
  background-image:
    linear-gradient(rgba(92, 72, 45, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 72, 45, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), transparent 85%);
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding-bottom: 48px;
}

.hero {
  padding: 22px 0 30px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: rgba(255, 250, 243, 0.82);
  backdrop-filter: blur(10px);
}

.brand,
.topbar-links a,
.button,
.resource-link,
.tutorial-link {
  text-decoration: none;
}

.brand {
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.topbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.topbar-links a {
  color: var(--muted);
  font-size: 0.95rem;
}

.topbar-links a:hover,
.site-footer a:hover,
.tutorial-link:hover,
.resource-link:hover {
  color: var(--accent-2);
}

.hero-main {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: 28px;
  padding: 48px 0 12px;
  align-items: start;
}

.hero-copy h1,
.section-heading h2,
.metric-card strong,
.card-title,
.news-card h3,
.resource-card h3 {
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 700;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4.8vw, 4.1rem);
  line-height: 1;
  max-width: 12ch;
}

.hero-text {
  max-width: 60ch;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.filter-button:hover,
.card:hover,
.news-card:hover,
.resource-card:hover,
.compact-card:hover,
.detail-card:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fffdf8;
  background: linear-gradient(135deg, var(--accent), #3f8d71);
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 251, 245, 0.78);
}

.hero-panel {
  display: grid;
  gap: 18px;
}

.metric-card,
.code-card,
.card,
.news-card,
.resource-card,
.highlights article {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.metric-card,
.code-card {
  padding: 22px;
  border-radius: var(--radius-xl);
}

.metric-label,
.card-kicker,
.meta {
  color: var(--warning);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.75rem;
  line-height: 1.1;
}

.metric-card p,
.code-card p,
.card-description,
.news-card p,
.resource-card p,
.highlights p {
  color: var(--muted);
  line-height: 1.72;
}

.code-card pre {
  margin: 14px 0 0;
  padding: 18px;
  overflow: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(105, 84, 57, 0.14);
  background: #f3ede3;
  color: #2f2419;
}

.section {
  padding: 34px 0;
}

.hero-subpage {
  padding-bottom: 10px;
}

.hero-main-single {
  grid-template-columns: 1fr;
  padding-top: 36px;
}

.hero-main-single .hero-copy h1 {
  max-width: 16ch;
  font-size: clamp(1.9rem, 3.6vw, 3rem);
  line-height: 1.08;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.highlights,
.path-grid,
.card-grid,
.news-grid,
.resource-grid,
.compact-grid,
.detail-grid {
  display: grid;
  gap: 18px;
}

.highlights {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.highlights article,
.card,
.news-card,
.resource-card {
  padding: 22px;
  border-radius: var(--radius-lg);
}

.highlights h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.path-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.path-card {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(246, 240, 231, 0.94));
}

.path-card::before {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  content: "";
  background: linear-gradient(135deg, rgba(178, 205, 224, 0.2), transparent 45%);
  pointer-events: none;
}

.path-step {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(31, 122, 90, 0.12);
  color: var(--accent);
  font-weight: 700;
}

.path-card h3 {
  margin: 16px 0 10px;
}

.path-card p,
.path-card li {
  color: var(--muted);
  line-height: 1.65;
}

.path-card ul {
  padding-left: 18px;
  margin: 12px 0 0;
}

.catalog-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-button {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 251, 245, 0.76);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.filter-button.is-active {
  color: #fffdf8;
  background: linear-gradient(135deg, var(--accent-2), #5d8fba);
}

.search {
  display: grid;
  gap: 8px;
  min-width: min(100%, 320px);
}

.search span {
  color: var(--muted);
  font-size: 0.88rem;
}

.search input {
  min-height: 46px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--text);
  background: rgba(255, 253, 249, 0.96);
}

.card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: auto;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  margin: 0;
  font-size: 1.2rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--accent-2);
  background: rgba(44, 106, 160, 0.1);
  font-size: 0.8rem;
}

.card-points {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

.tutorial-link,
.resource-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
}

.tutorial-link-muted {
  color: var(--muted);
}

.news-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-card {
  display: grid;
  gap: 12px;
}

.news-card h3,
.resource-card h3 {
  margin: 0;
  font-size: 1.18rem;
}

.resource-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.resource-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.compact-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.compact-card,
.detail-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.compact-card h3,
.detail-card h2 {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.compact-card p,
.detail-card p,
.detail-card li {
  color: var(--muted);
  line-height: 1.72;
}

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

.detail-list {
  margin: 16px 0 0;
  padding-left: 18px;
}

.detail-list li + li {
  margin-top: 10px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
}

.meta-row span {
  display: inline-flex;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--warning);
  font-size: 0.84rem;
}

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

.news-card-wide {
  min-height: 240px;
}

.tutorial-layout {
  display: grid;
  gap: 18px;
}

.tutorial-overview {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.tutorial-section {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.tutorial-section h2,
.tutorial-section h3 {
  margin: 0 0 12px;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

.tutorial-section p,
.tutorial-section li {
  color: var(--muted);
  line-height: 1.75;
}

.tutorial-list,
.tutorial-ordered {
  margin: 0;
  padding-left: 18px;
}

.tutorial-list li + li,
.tutorial-ordered li + li {
  margin-top: 10px;
}

.tutorial-meta-grid {
  display: grid;
  gap: 18px;
}

.tutorial-note {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid rgba(154, 106, 34, 0.2);
  background: rgba(218, 191, 148, 0.18);
}

.tutorial-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 28px 0 6px;
  margin-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.tutorial-code {
  margin: 0;
  padding: 18px;
  overflow: auto;
  border-radius: 16px;
  border: 1px solid rgba(105, 84, 57, 0.14);
  background: #f3ede3;
  color: #2f2419;
  font-size: 0.92rem;
  line-height: 1.65;
}

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

.tutorial-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tutorial-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(44, 106, 160, 0.1);
  color: var(--accent-2);
  font-size: 0.86rem;
}

.tutorial-checklist {
  display: grid;
  gap: 12px;
}

.tutorial-checkitem {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.82);
}

.tutorial-checkitem strong {
  display: block;
  margin-bottom: 6px;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
}

@media (max-width: 1080px) {
  .hero-main,
  .highlights,
  .path-grid,
  .card-grid,
  .news-grid,
  .resource-grid,
  .compact-grid,
  .detail-grid,
  .news-grid-wide,
  .tutorial-overview,
  .tutorial-grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .topbar,
  .section-heading,
  .catalog-toolbar {
    align-items: start;
    flex-direction: column;
  }

  .hero-main,
  .highlights,
  .path-grid,
  .card-grid,
  .news-grid,
  .resource-grid,
  .compact-grid,
  .detail-grid,
  .news-grid-wide,
  .tutorial-overview,
  .tutorial-grid-3 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 12px;
  }

  .hero-main {
    padding-top: 32px;
  }

  .hero-copy h1 {
    max-width: none;
    font-size: clamp(2.2rem, 14vw, 3.8rem);
  }
}