@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Fraunces:opsz,wght@9..144,600;9..144,700&display=swap");

:root {
  color-scheme: light;
  --page-bg: #f3efe7;
  --page-wash: #ebe3d4;
  --surface: rgba(255, 252, 247, 0.88);
  --surface-strong: #fffdf9;
  --surface-soft: #f8f3ea;
  --ink: #16202a;
  --muted: #5c6670;
  --muted-strong: #3b4650;
  --border: rgba(116, 92, 53, 0.18);
  --accent: #0e7a69;
  --accent-strong: #0b5f53;
  --accent-soft: rgba(14, 122, 105, 0.12);
  --warm: #bf5c2f;
  --shadow: 0 24px 70px rgba(35, 31, 24, 0.12);
  --shadow-soft: 0 14px 36px rgba(35, 31, 24, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --content-width: 76rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  line-height: 1.7;
  background:
    radial-gradient(circle at top left, rgba(14, 122, 105, 0.12), transparent 26rem),
    radial-gradient(circle at top right, rgba(191, 92, 47, 0.14), transparent 22rem),
    linear-gradient(180deg, var(--page-wash) 0%, var(--page-bg) 22rem, #f7f4ed 100%);
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

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

img {
  max-width: 100%;
}

.site-shell {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.25rem 1rem 4rem;
}

.site-header {
  position: sticky;
  top: 0.75rem;
  z-index: 30;
  margin-bottom: 1.5rem;
}

.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 252, 247, 0.82);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-soft);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
  color: inherit;
  text-decoration: none;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  flex: none;
  border-radius: 0.95rem;
  background: linear-gradient(135deg, var(--accent) 0%, #18a892 100%);
  color: white;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.brand__text {
  min-width: 0;
}

.brand__title {
  display: block;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.brand__subtitle {
  display: block;
  font-size: 0.77rem;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.top-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 2.3rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  color: var(--muted-strong);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.top-nav__link:hover {
  background: rgba(22, 32, 42, 0.06);
  color: var(--ink);
  transform: translateY(-1px);
}

.top-nav__link.is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.top-nav__icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  color: var(--muted-strong);
  text-decoration: none;
  transition: background-color 160ms ease, transform 160ms ease;
}

.top-nav__icon-link:hover {
  background: rgba(22, 32, 42, 0.06);
  transform: translateY(-1px);
}

.top-nav__icon {
  width: 1.15rem;
  height: 1.15rem;
  display: block;
}

.hero {
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
  padding: 2.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(14, 122, 105, 0.15), transparent 16rem),
    radial-gradient(circle at bottom left, rgba(191, 92, 47, 0.11), transparent 18rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(249, 243, 232, 0.94));
  box-shadow: var(--shadow);
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted-strong);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__eyebrow::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--warm);
  box-shadow: 0 0 0 0.28rem rgba(191, 92, 47, 0.12);
}

.hero__grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: minmax(0, 1.45fr) minmax(16rem, 0.95fr);
  align-items: start;
}

.hero__title {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.1rem, 4.5vw, 3.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
}

.hero__lede {
  max-width: 54rem;
  margin: 1rem 0 0;
  color: var(--muted-strong);
  font-size: 1.05rem;
}

.hero__panel {
  padding: 1rem 1rem 1.1rem;
  border: 1px solid rgba(22, 32, 42, 0.08);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.72);
}

.hero__panel-title {
  margin: 0 0 0.35rem;
  color: var(--muted-strong);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero__panel-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(14.5rem, 17rem) minmax(0, 1fr);
  gap: 1.5rem;
}

.rail {
  position: sticky;
  top: 6.7rem;
  align-self: start;
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(255, 252, 247, 0.7);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-soft);
}

.rail__title {
  margin: 0 0 0.85rem;
  color: var(--muted-strong);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rail__list {
  display: grid;
  gap: 0.45rem;
}

.rail__link {
  display: block;
  padding: 0.75rem 0.8rem;
  border-radius: var(--radius-md);
  color: inherit;
  text-decoration: none;
  transition: background-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.rail__link:hover {
  background: rgba(255, 255, 255, 0.7);
  transform: translateX(2px);
}

.rail__link.is-active {
  background: var(--surface-strong);
  box-shadow: inset 0 0 0 1px rgba(14, 122, 105, 0.16);
}

.rail__link-title {
  display: block;
  font-size: 0.93rem;
  font-weight: 800;
  color: var(--ink);
}

.rail__link-summary {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.81rem;
  line-height: 1.45;
}

.content-card {
  min-width: 0;
  padding: clamp(1.35rem, 1rem + 1.2vw, 2.3rem);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.doc-content > :first-child {
  margin-top: 0;
}

.doc-content > h1 {
  margin-bottom: 1rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2rem, 3vw, 2.7rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.doc-content > h2,
.doc-content > h3 {
  scroll-margin-top: 7rem;
}

.doc-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 0.8rem;
  font-size: 1.45rem;
  line-height: 1.15;
}

.doc-content h3 {
  margin-top: 1.8rem;
  margin-bottom: 0.55rem;
  font-size: 1.08rem;
  color: var(--muted-strong);
}

.doc-content p,
.doc-content li {
  font-size: 1rem;
}

.doc-content p,
.doc-content ul,
.doc-content ol,
.doc-content pre,
.doc-content blockquote,
.doc-content table {
  margin-top: 0;
  margin-bottom: 1.1rem;
}

.doc-content ul,
.doc-content ol {
  padding-left: 1.35rem;
}

.doc-content li + li {
  margin-top: 0.45rem;
}

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

.doc-content code {
  padding: 0.17rem 0.4rem;
  border-radius: 0.45rem;
  background: rgba(22, 32, 42, 0.06);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.92em;
}

.doc-content pre {
  overflow-x: auto;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(22, 32, 42, 0.08);
  border-radius: 1rem;
  background: linear-gradient(180deg, #1a2430 0%, #111922 100%);
  color: #eef5fb;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.doc-content pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}

.doc-content blockquote {
  margin-left: 0;
  padding: 0.85rem 1rem;
  border-left: 4px solid var(--warm);
  border-radius: 0 1rem 1rem 0;
  background: rgba(191, 92, 47, 0.06);
  color: var(--muted-strong);
}

.doc-figure {
  margin: 1.4rem 0 1.5rem;
  padding: 0.9rem;
  border: 1px solid rgba(22, 32, 42, 0.08);
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.72);
}

.doc-figure img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 0 auto;
  border-radius: 0.85rem;
}

.doc-figure figcaption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.doc-gallery {
  display: grid;
  gap: 1rem;
  margin: 1.4rem 0 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.doc-content hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.site-footer {
  margin-top: 1.2rem;
  padding: 0.25rem 0.4rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .site-header {
    position: static;
  }

  .site-header__bar {
    border-radius: 1.5rem;
  }

  .hero__grid,
  .page-grid {
    grid-template-columns: 1fr;
  }

  .rail {
    position: static;
    order: 2;
  }

  .content-card {
    order: 1;
  }
}

@media (max-width: 720px) {
  .site-shell {
    padding: 0.85rem 0.75rem 2rem;
  }

  .site-header__bar {
    align-items: flex-start;
    flex-direction: column;
    border-radius: 1.3rem;
  }

  .top-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    padding-bottom: 0.15rem;
  }

  .top-nav__link {
    flex: none;
  }

  .hero {
    padding: 1.35rem;
    border-radius: 1.6rem;
  }

  .hero__title {
    font-size: 2rem;
  }

  .content-card {
    padding: 1.2rem;
    border-radius: 1.5rem;
  }

  .doc-gallery,
  .doc-gallery--triple {
    grid-template-columns: 1fr;
  }
}