:root {
  --bg: #f6f1e8;
  --bg-deep: #ece3d6;
  --surface: rgba(255, 252, 247, 0.8);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --surface-dark: linear-gradient(155deg, #102124 0%, #19363a 100%);
  --ink: #132022;
  --muted: #53666d;
  --accent: #cb6539;
  --accent-strong: #9e3f23;
  --accent-soft: rgba(203, 101, 57, 0.12);
  --line: rgba(19, 32, 34, 0.12);
  --line-strong: rgba(19, 32, 34, 0.18);
  --shadow-lg: 0 22px 60px rgba(25, 39, 42, 0.12);
  --shadow-sm: 0 10px 28px rgba(25, 39, 42, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1200px;
  --sans: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  line-height: 1.6;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(203, 101, 57, 0.18), transparent 30%),
    radial-gradient(circle at 100% 10%, rgba(31, 86, 91, 0.16), transparent 24%),
    linear-gradient(180deg, #fdf9f2 0%, var(--bg) 48%, var(--bg-deep) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    linear-gradient(rgba(19, 32, 34, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 32, 34, 0.03) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 90%);
}

a {
  color: inherit;
  text-decoration-color: rgba(19, 32, 34, 0.28);
  text-underline-offset: 0.14em;
}

a:hover {
  text-decoration-color: rgba(19, 32, 34, 0.6);
}

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

::selection {
  background: rgba(203, 101, 57, 0.22);
  color: var(--ink);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 30;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-sm);
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(19, 32, 34, 0.08);
  background: rgba(253, 249, 242, 0.76);
  backdrop-filter: blur(18px);
}

.site-header__inner,
.site-main,
.site-footer__inner {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 0;
}

.site-main {
  padding: clamp(1.4rem, 3vw, 2.5rem) 0 4.5rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.35);
}

.site-footer__inner {
  padding: 1.4rem 0 2.3rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
}

.footer-brand {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-links a,
.site-nav a,
.section-link,
.button,
.topic-pill,
.brand {
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand__mark {
  width: 2.8rem;
  height: 2.8rem;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff8f0;
  font-weight: 700;
  box-shadow: 0 18px 32px rgba(158, 63, 35, 0.28);
}

.brand__text {
  display: flex;
  flex-direction: column;
}

.brand__name {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand__tag {
  font-size: 0.8rem;
  color: var(--muted);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem;
}

.site-nav a,
.footer-links a,
.section-link {
  text-decoration: none;
  border-radius: 999px;
}

.site-nav a,
.footer-links a {
  padding: 0.72rem 1rem;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible,
.section-link:hover,
.section-link:focus-visible,
.topic-pill:hover,
.topic-pill:focus-visible,
.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.64);
}

.page-shell,
.story-layout {
  display: grid;
  gap: 1.5rem;
}

.surface,
.page,
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(18px);
}

.surface--hero,
.story-hero,
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 4vw, 3rem);
  background:
    radial-gradient(circle at top right, rgba(203, 101, 57, 0.14), transparent 28%),
    linear-gradient(145deg, rgba(255, 252, 247, 0.95), rgba(246, 239, 229, 0.86));
}

.surface--aside {
  padding: 1.7rem;
  background: var(--surface-dark);
  color: #f9f3eb;
}

.surface--aside a,
.surface--aside p,
.surface--aside h2 {
  color: inherit;
}

.surface--section,
.page,
.card {
  padding: 1.45rem;
}

.surface--hero::after,
.story-hero::after,
.page-hero::after,
.surface--aside::after {
  content: "";
  position: absolute;
  inset: auto -10% -24% auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.16), transparent 70%);
  pointer-events: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
  gap: 1.5rem;
  align-items: stretch;
}

.hero__content h1,
.page-hero h1,
.story-hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.3rem, 5vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.story-hero h1,
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
}

.eyebrow {
  margin: 0 0 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

.eyebrow::before {
  content: "";
  width: 0.58rem;
  height: 0.58rem;
  border-radius: 50%;
  background: currentColor;
}

.surface--aside .eyebrow {
  color: #f0b486;
}

.lead {
  max-width: 48rem;
  margin: 1rem 0 0;
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  color: var(--muted);
}

.surface--aside .lead,
.surface--aside .pill,
.surface--aside p {
  color: rgba(249, 243, 235, 0.92);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.9rem 1.2rem;
  font-weight: 600;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
}

.button--primary {
  color: #fff8f0;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 18px 34px rgba(158, 63, 35, 0.26);
}

.button--secondary,
.button--ghost,
.section-link {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}

.button--ghost {
  color: #f9f3eb;
  border-color: rgba(249, 243, 235, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.button--ghost:hover,
.button--ghost:focus-visible {
  background: rgba(255, 255, 255, 0.14);
}

.section-link {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1rem;
  color: var(--ink);
}

.hero__signals,
.story-stat-grid {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.hero__signals li,
.stat-card {
  min-height: 100%;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.66);
}

.hero__signals span,
.stat-card span {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
}

.hero__signals p,
.stat-card p,
.citation-item p,
.cluster-item p,
.copy-block p,
.card p,
.site-footer p {
  margin: 0;
  color: var(--muted);
}

.hero__aside h2,
.section-head h2,
.card h2,
.card h3,
.cluster-item h3 {
  margin: 0;
  font-family: var(--serif);
  letter-spacing: -0.03em;
}

.hero__aside h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.03;
}

.hero__aside p {
  margin: 1rem 0 0;
}

.feature-grid,
.source-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card--feature h2 {
  margin-bottom: 0.75rem;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
}

.content-grid,
.page-grid,
.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.95fr);
  gap: 1.5rem;
  align-items: start;
}

.sidebar-stack,
.story-sidebar,
.cluster-list,
.list-stack,
.topic-cloud {
  display: grid;
  gap: 1rem;
}

.story-sidebar {
  position: sticky;
  top: 6rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-head--tight {
  margin-bottom: 0.75rem;
}

.card--brief h3,
.card--source h2,
.cluster-item h3 {
  font-size: 1.45rem;
  line-height: 1.08;
}

.card--brief p,
.card--source p {
  margin-top: 0.8rem;
}

.card__meta,
.meta-row,
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.pill,
.topic-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.78rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.86rem;
  color: var(--muted);
}

.topic-pill--prominent {
  justify-content: space-between;
  width: 100%;
}

.topic-pill strong {
  color: var(--ink);
  font-size: 0.9rem;
}

.topic-pill:hover,
.topic-pill:focus-visible {
  color: var(--ink);
  border-color: rgba(203, 101, 57, 0.28);
  background: rgba(255, 255, 255, 0.92);
}

.article-body {
  padding: clamp(1.4rem, 3vw, 2.4rem);
}

.prose {
  font-size: 1.05rem;
  line-height: 1.8;
}

.prose > *:first-child {
  margin-top: 0;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote {
  margin: 0 0 1.2rem;
}

.prose ul,
.prose ol {
  padding-left: 1.4rem;
}

.prose li + li {
  margin-top: 0.35rem;
}

.prose h2,
.prose h3 {
  margin: 2rem 0 0.8rem;
  font-family: var(--serif);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.prose strong {
  color: var(--ink);
}

.prose blockquote {
  padding: 0.9rem 1rem;
  border-left: 4px solid rgba(203, 101, 57, 0.35);
  background: rgba(255, 255, 255, 0.56);
  border-radius: 0 16px 16px 0;
}

.prose code {
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  background: rgba(19, 32, 34, 0.08);
  font-size: 0.92em;
}

.prose a {
  color: var(--accent-strong);
}

.bullet-list,
.citation-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.citation-list {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 0.75rem;
}

.citation-item,
.cluster-item {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.56);
}

.citation-item a {
  font-weight: 700;
  text-decoration: none;
}

.citation-item p {
  margin-top: 0.45rem;
}

.copy-block h2,
.surface--section h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.copy-block ul {
  margin-bottom: 0;
}

.cluster-item .card__meta,
.card--brief .tag-row {
  margin-top: 0.85rem;
}

.cluster-item p {
  margin-top: 0.6rem;
}

.section-link:hover,
.section-link:focus-visible {
  border-color: rgba(203, 101, 57, 0.28);
}

:focus-visible {
  outline: 3px solid rgba(203, 101, 57, 0.28);
  outline-offset: 3px;
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .surface--hero,
  .surface--aside,
  .feature-grid > *,
  .list-stack > *,
  .sidebar-stack > *,
  .source-grid > *,
  .story-grid > * {
    animation: reveal-up 500ms ease both;
  }

  .feature-grid > *:nth-child(2),
  .list-stack > *:nth-child(2),
  .source-grid > *:nth-child(2) {
    animation-delay: 80ms;
  }

  .feature-grid > *:nth-child(3),
  .list-stack > *:nth-child(3),
  .source-grid > *:nth-child(3) {
    animation-delay: 160ms;
  }
}

@media (max-width: 980px) {
  .hero,
  .content-grid,
  .page-grid,
  .story-grid,
  .feature-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }

  .story-sidebar {
    position: static;
  }

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

@media (max-width: 720px) {
  .site-header__inner,
  .site-footer__inner,
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .hero__signals,
  .story-stat-grid {
    grid-template-columns: 1fr;
  }

  .site-nav a,
  .footer-links a,
  .button,
  .section-link {
    width: auto;
  }
}

@media (max-width: 560px) {
  .site-header__inner,
  .site-main,
  .site-footer__inner {
    width: min(calc(100% - 1.2rem), var(--max-width));
  }

  .brand {
    align-items: flex-start;
  }

  .brand__mark {
    width: 2.5rem;
    height: 2.5rem;
  }

  .site-nav {
    gap: 0.35rem;
  }

  .site-nav a,
  .footer-links a {
    padding: 0.68rem 0.9rem;
  }

  .surface--hero,
  .story-hero,
  .page-hero,
  .surface--aside,
  .surface--section,
  .page,
  .card {
    padding: 1.15rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}