:root {
  --bg: #f5efe3;
  --bg-soft: #fbf8f1;
  --panel: rgba(255, 251, 243, 0.9);
  --panel-strong: #fffaf0;
  --ink: #2f261f;
  --muted: #6b5a4c;
  --line: rgba(68, 49, 33, 0.14);
  --accent: #9f5a2b;
  --accent-soft: #d8883a;
  --shadow: 0 20px 55px rgba(63, 38, 20, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(221, 170, 108, 0.2), transparent 26%),
    radial-gradient(circle at top right, rgba(159, 90, 43, 0.16), transparent 22%),
    linear-gradient(180deg, #f3eadb 0%, #f9f5ed 48%, #f5efe3 100%);
  line-height: 1.7;
}

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

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

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(251, 248, 241, 0.78);
  border-bottom: 1px solid var(--line);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}

.brand-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand {
  font-family: "Alegreya", Georgia, serif;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-note {
  color: var(--muted);
  font-size: 0.92rem;
}

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

.nav-links a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.nav-links a:hover {
  background: rgba(159, 90, 43, 0.1);
  color: var(--ink);
  transform: translateY(-1px);
}

.nav-links a.active {
  background: rgba(159, 90, 43, 0.13);
  color: var(--ink);
}

.hero {
  padding: 34px 0 18px;
}

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

.hero-main {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 18px;
  align-items: stretch;
}

.hero-story,
.hero-frame {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-story {
  padding: 28px 30px 30px;
  display: grid;
  align-content: space-between;
  gap: 20px;
}

.hero-story-top {
  display: grid;
  gap: 14px;
}

.hero-tag {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(159, 90, 43, 0.1);
  color: var(--accent);
  font-size: 0.92rem;
  font-weight: 700;
}

.hero-intro {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
  max-width: 48ch;
}

.hero h1 {
  margin: 0;
  font-family: "Alegreya", Georgia, serif;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: 0;
  font-weight: 600;
  max-width: none;
  text-wrap: balance;
}

.hero-summary {
  margin: 0;
  color: #48392e;
  font-size: 1rem;
  max-width: 54ch;
}

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

.cta-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.cta-btn {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-soft) 100%);
  color: #fffdf9;
  box-shadow: 0 14px 30px rgba(159, 90, 43, 0.24);
}

.ghost-btn {
  border: 1px solid rgba(68, 49, 33, 0.14);
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
}

.cta-btn:hover,
.ghost-btn:hover {
  transform: translateY(-1px);
}

.hero-frame {
  padding: 14px;
  display: grid;
  gap: 14px;
  background:
    linear-gradient(180deg, rgba(255, 252, 246, 0.96) 0%, rgba(248, 241, 229, 0.92) 100%);
}

.hero-frame-media {
  overflow: hidden;
  border-radius: 22px;
  border: 1px solid rgba(68, 49, 33, 0.1);
  height: 100%;
  min-height: 320px;
}

.hero-frame-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-frame-caption {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.58;
}

.hero-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-rail-card {
  padding: 18px 18px;
  border-radius: 18px;
  background: rgba(255, 250, 240, 0.78);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-rail-card strong {
  display: block;
  margin-bottom: 7px;
  font-family: "Alegreya", Georgia, serif;
  font-size: 1.15rem;
}

.hero-rail-card p {
  margin: 0;
  background: rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.55;
}

.section {
  padding: 22px 0 46px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: end;
  margin-bottom: 22px;
}

.section-kicker {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section h2 {
  margin: 6px 0 8px;
  font-family: "Alegreya", Georgia, serif;
  font-size: clamp(1.9rem, 2.7vw, 2.8rem);
  line-height: 1.12;
}

.section-desc {
  max-width: 64ch;
  color: var(--muted);
  font-size: 1.02rem;
}

.about-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.15fr 0.95fr;
  gap: 18px;
  align-items: start;
  padding: 26px;
  background: rgba(255, 250, 240, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.about-label {
  display: grid;
  gap: 8px;
}

.about-label h2 {
  margin: 0;
  font-family: "Alegreya", Georgia, serif;
  font-size: clamp(2.15rem, 4vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.03em;
  max-width: 7.5ch;
}

.about-copy {
  padding-top: 24px;
}

.about-lead {
  margin: 0 0 16px;
  font-size: 1.12rem;
  color: #433428;
}

.about-copy p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.about-method {
  display: grid;
  gap: 12px;
}

.about-method-card,
.theme-card,
.page-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.about-method-card {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.58);
  border-radius: 18px;
}

.about-method-card strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
}

.about-method-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.58;
}

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

.page-card {
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.page-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 45px rgba(63, 38, 20, 0.16);
}

.page-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-card-body {
  padding: 18px 18px 20px;
}

.page-card-body h3 {
  margin: 0 0 8px;
  font-family: "Alegreya", Georgia, serif;
  font-size: 1.34rem;
}

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

.page-link {
  color: var(--accent);
  font-weight: 700;
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.theme-card {
  padding: 22px 20px;
}

.theme-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.theme-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

.article-shell {
  padding: 34px 0 46px;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 1fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 22px;
}

.article-hero-copy,
.article-hero-visual,
.article-card,
.toc-card,
.related-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.article-hero-copy {
  display: grid;
  align-content: center;
  gap: 16px;
  padding: clamp(24px, 4vw, 42px);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.94rem;
}

.breadcrumbs span::before {
  content: "/";
  margin-right: 8px;
  color: rgba(68, 49, 33, 0.38);
}

.article-hero-copy h1 {
  margin: 0;
  font-family: "Alegreya", Georgia, serif;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.article-hero-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 64ch;
}

.article-hero-visual {
  padding: 14px;
}

.article-hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  max-height: 520px;
  object-fit: cover;
  border-radius: 22px;
}

.article-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.toc-card {
  position: sticky;
  top: 92px;
  padding: 18px;
}

.toc-card strong {
  display: block;
  margin-bottom: 10px;
  font-family: "Alegreya", Georgia, serif;
  font-size: 1.18rem;
}

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

.toc-card a {
  color: var(--muted);
}

.toc-card a:hover {
  color: var(--accent);
}

.article-card {
  padding: clamp(22px, 4vw, 38px);
}

.article-card h2,
.article-card h3 {
  font-family: "Alegreya", Georgia, serif;
  line-height: 1.16;
}

.article-card h2 {
  margin: 32px 0 10px;
  font-size: clamp(1.65rem, 2.5vw, 2.25rem);
}

.article-card h3 {
  margin: 26px 0 10px;
  font-size: 1.35rem;
}

.article-card p,
.article-card li {
  color: #423328;
}

.article-card ul {
  padding-left: 22px;
}

.feature-image {
  margin: 18px 0 26px;
}

.feature-image img {
  width: 100%;
  border-radius: 22px;
  box-shadow: 0 18px 34px rgba(63, 38, 20, 0.12);
}

.divider {
  border: 0;
  height: 1px;
  margin: 28px 0;
  background: linear-gradient(90deg, transparent, rgba(68, 49, 33, 0.22), transparent);
}

.keyword-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.keyword-list li {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(159, 90, 43, 0.09);
  color: var(--accent);
  font-weight: 600;
}

.related-panel {
  margin-top: 22px;
  padding: 22px;
}

.related-panel h2 {
  margin: 0 0 14px;
  font-family: "Alegreya", Georgia, serif;
}

.related-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.related-list a {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid var(--line);
  color: var(--muted);
  font-weight: 600;
}

.related-list a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.footer {
  padding: 32px 0 46px;
  color: var(--muted);
}

.footer-panel {
  padding: 24px 26px;
  border-radius: var(--radius-lg);
  background: rgba(255, 250, 240, 0.72);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 12px;
}

.footer-links a {
  color: var(--accent);
  font-weight: 600;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-main,
  .hero-rail,
  .about-panel,
  .pages-grid,
  .themes-grid,
  .article-hero,
  .article-layout,
  .related-list {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: none;
  }

  .about-label h2 {
    max-width: none;
  }

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

  .toc-card {
    position: static;
  }
}

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

  .nav-links {
    justify-content: start;
  }

  .hero-copy,
  .hero-frame {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero {
    padding-top: 28px;
  }

  .article-hero-visual img {
    min-height: 220px;
  }
}