* {
  box-sizing: border-box;
}

:root {
  --bg: #f5f0e7;
  --surface: #fffdf9;
  --surface-strong: #f0e6d7;
  --ink: #1f1b18;
  --muted: #62584f;
  --line: #d7c8b3;
  --accent: #9a5b2d;
  --accent-soft: #ead6bf;
  --shadow: 0 18px 40px rgba(54, 35, 18, 0.08);
  --radius: 22px;
  --content-width: 1120px;
  --reading-width: 820px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(201, 166, 124, 0.18), transparent 28%),
    linear-gradient(180deg, #f7f2ea 0%, #f4eee4 100%);
  line-height: 1.7;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
}

a:hover {
  color: #7d471e;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 18px;
}

.site-shell {
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(14px);
  background: rgba(247, 242, 234, 0.9);
  border-bottom: 1px solid rgba(137, 104, 72, 0.12);
}

.site-header__inner,
.page,
.site-footer__inner {
  width: min(calc(100% - 32px), var(--content-width));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
}

.site-brand {
  color: var(--ink);
  text-decoration: none;
}

.site-brand__eyebrow {
  margin: 0 0 2px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-brand__name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.site-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a.is-active,
.site-nav a:hover {
  background: var(--accent-soft);
  color: var(--ink);
}

.page {
  padding: 36px 0 72px;
}

.hero,
.article,
.card,
.note-box,
.related-block,
.faq-item,
.keywords {
  background: var(--surface);
  border: 1px solid rgba(137, 104, 72, 0.12);
  box-shadow: var(--shadow);
}

.hero,
.article {
  border-radius: 28px;
  overflow: hidden;
}

.hero {
  margin-bottom: 28px;
}

.hero__content {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 28px;
  padding: 34px;
}

.hero__eyebrow,
.section-label,
.meta-line {
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--muted);
}

.hero h1,
.article h1 {
  margin: 10px 0 16px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
}

.hero p,
.lede {
  font-size: 1.08rem;
  color: var(--muted);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--ink);
  font-size: 0.92rem;
}

.hero__media img {
  min-height: 100%;
  object-fit: cover;
}

.article {
  padding: 34px;
}

.article__header {
  max-width: var(--reading-width);
  margin: 0 auto 28px;
}

.article__body {
  max-width: var(--reading-width);
  margin: 0 auto;
}

.article__body h2 {
  margin: 34px 0 12px;
  font-size: 1.7rem;
  line-height: 1.2;
}

.article__body h3 {
  margin: 26px 0 10px;
  font-size: 1.28rem;
  line-height: 1.3;
}

.article__body p {
  margin: 0 0 16px;
}

.article__body ul {
  margin: 0 0 18px 22px;
  padding: 0;
}

.article__body li {
  margin-bottom: 10px;
}

.figure-block {
  margin: 28px auto;
  max-width: 940px;
}

.figure-block figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.note-box,
.related-block,
.keywords {
  border-radius: 20px;
  padding: 22px;
  margin-top: 28px;
}

.note-box h2,
.related-block h2,
.keywords h2 {
  margin-top: 0;
}

.faq-item {
  border-radius: 18px;
  padding: 18px 20px;
  margin-bottom: 14px;
}

.faq-item h3 {
  margin-top: 0;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 24px;
  align-items: start;
}

.toc-panel,
.jump-box,
.path-step {
  background: var(--surface-strong);
  border: 1px solid rgba(137, 104, 72, 0.12);
  border-radius: 20px;
}

.toc-panel,
.jump-box {
  padding: 20px 22px;
}

.toc-panel h2,
.jump-box h2 {
  margin-top: 0;
  margin-bottom: 10px;
}

.toc-list,
.jump-list,
.path-list {
  margin: 0;
  padding-left: 18px;
}

.toc-list li,
.jump-list li,
.path-list li {
  margin-bottom: 10px;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.path-step {
  padding: 22px;
}

.path-step__number {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  background: #fff7ec;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 12px;
}

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

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

.card {
  border-radius: 20px;
  padding: 22px;
}

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

.card p {
  margin: 0 0 14px;
  color: var(--muted);
}

.card a {
  text-decoration: none;
  font-weight: 600;
}

.related-list,
.keywords-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 0;
  list-style: none;
  margin: 0;
}

.keywords-list li {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface-strong);
}

.breadcrumbs {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.94rem;
}

.breadcrumbs a {
  color: inherit;
}

.site-footer {
  border-top: 1px solid rgba(137, 104, 72, 0.12);
  background: rgba(255, 253, 249, 0.72);
}

.site-footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 0 34px;
  color: var(--muted);
  font-size: 0.94rem;
}

@media (max-width: 920px) {
  .hero__content {
    grid-template-columns: 1fr;
  }

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

  .intro-grid,
  .path-grid {
    grid-template-columns: 1fr;
  }

  .site-header__inner,
  .site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page {
    padding-top: 20px;
  }

  .article,
  .hero__content {
    padding: 22px;
  }

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