:root {
  --bg: #f4f1ea;
  --bg-soft: #efe9dd;
  --panel: rgba(255, 252, 247, 0.84);
  --panel-strong: #f9f5ee;
  --text: #1f2522;
  --muted: #5d655f;
  --line: rgba(31, 37, 34, 0.12);
  --accent: #1f5c4b;
  --accent-dark: #124235;
  --accent-soft: rgba(31, 92, 75, 0.12);
  --shadow: 0 18px 40px rgba(31, 37, 34, 0.08);
  --radius: 18px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 92, 75, 0.12), transparent 34%),
    radial-gradient(circle at top right, rgba(163, 90, 52, 0.1), transparent 26%),
    linear-gradient(180deg, #f7f4ed 0%, var(--bg) 100%);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(244, 241, 234, 0.8);
  border-bottom: 1px solid rgba(31, 37, 34, 0.06);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 18px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.96rem;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  font-weight: 700;
}

.hero {
  padding: 88px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(1.9rem, 3vw, 3rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

p {
  margin: 0;
}

.hero-copy,
.section-heading p,
.content-card p,
.project-card p,
.resource-card p,
.cta-shell p,
.step-card p,
.proof-card p,
.page-intro p,
.page-copy p,
.list-card p,
.note-card p,
.detail-block p,
.about-block p,
.resource-block p {
  color: var(--muted);
}

.hero-copy {
  max-width: 630px;
  font-size: 1.08rem;
  margin-top: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.18s ease, background 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #f7f6f2;
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
}

.hero-panel,
.content-card,
.proof-card,
.project-card,
.resource-card,
.step-card,
.list-card,
.note-card,
.detail-block,
.about-block,
.resource-block {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.hero-panel {
  padding: 24px;
}

.panel-label,
.detail-label,
.project-type,
.proof-title,
.list-meta,
.article-type,
.status-pill,
.resource-kicker {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-list {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: grid;
  gap: 16px;
}

.status-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.status-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.status-list span {
  color: var(--muted);
}

.status-list strong {
  font-size: 0.98rem;
}

.section {
  padding: 36px 0;
}

.section-alt {
  background: rgba(255, 252, 247, 0.42);
}

.section-highlight {
  padding-bottom: 88px;
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 26px;
  align-items: start;
}

.section-heading.compact {
  max-width: 760px;
}

.content-card {
  padding: 28px;
}

.detail-grid,
.proof-grid,
.project-grid,
.resource-grid,
.steps-grid,
.list-grid,
.notes-grid,
.article-grid,
.about-grid {
  display: grid;
  gap: 18px;
}

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

.proof-grid,
.project-grid,
.resource-grid,
.steps-grid,
.list-grid,
.notes-grid,
.about-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps-grid {
  margin-top: 28px;
}

.step-card,
.proof-card,
.project-card,
.resource-card,
.list-card,
.note-card,
.detail-block,
.about-block,
.resource-block {
  padding: 24px;
}

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

.project-grid,
.resource-grid {
  margin-top: 28px;
}

.text-link {
  display: inline-flex;
  margin-top: 18px;
  font-weight: 700;
  color: var(--accent);
}

.resource-shell {
  padding: 34px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 252, 247, 0.9), rgba(240, 235, 225, 0.82));
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow);
}

.resource-note {
  margin-top: 22px;
  font-size: 0.98rem;
}

.cta-shell {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(31, 92, 75, 0.92), rgba(18, 66, 53, 0.96));
  color: #f3efe8;
}

.cta-shell p,
.cta-shell .eyebrow {
  color: rgba(243, 239, 232, 0.86);
}

.cta-shell .button-primary {
  background: #f1e6d3;
  color: #153b31;
}

.site-footer {
  padding: 0 0 48px;
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.page-hero {
  padding: 82px 0 22px;
}

.page-intro {
  max-width: 760px;
}

.page-copy,
.article-grid,
.notes-grid {
  margin-top: 28px;
}

.list-card-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  margin-bottom: 14px;
}

.status-pill {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
}

.note-card,
.list-card {
  min-height: 100%;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 18px;
}

.article-main {
  display: grid;
  gap: 18px;
}

.detail-stack,
.resource-stack {
  display: grid;
  gap: 18px;
}

.detail-block ul,
.resource-block ul,
.about-block ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.about-grid {
  margin-top: 28px;
}

@media (max-width: 980px) {
  .hero-grid,
  .split-layout,
  .article-grid,
  .cta-shell,
  .footer-shell {
    grid-template-columns: 1fr;
    display: grid;
  }

  .proof-grid,
  .project-grid,
  .resource-grid,
  .steps-grid,
  .list-grid,
  .notes-grid,
  .about-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav-shell {
    align-items: flex-start;
    gap: 12px;
    padding: 16px 0;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
    row-gap: 10px;
    gap: 12px;
    font-size: 0.92rem;
  }

  .hero {
    padding-top: 54px;
  }

  h1 {
    max-width: none;
  }

  .detail-grid,
  .proof-grid,
  .project-grid,
  .resource-grid,
  .steps-grid,
  .list-grid,
  .notes-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .resource-shell,
  .content-card,
  .cta-shell {
    padding: 24px;
  }

  .status-list li {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}