:root {
  --bg: #f4f7fb;
  --panel: rgba(255, 255, 255, 0.88);
  --panel-strong: #ffffff;
  --line: rgba(28, 55, 90, 0.12);
  --ink: #122033;
  --muted: #5c6a7d;
  --brand: #0e7a6d;
  --brand-deep: #083b63;
  --accent: #ff9f43;
  --shadow: 0 24px 80px rgba(18, 32, 51, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(14, 122, 109, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(8, 59, 99, 0.18), transparent 32%),
    linear-gradient(180deg, #f7fbff 0%, #eef4f9 100%);
  line-height: 1.75;
}

a {
  color: var(--brand-deep);
  text-decoration: none;
}

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

img {
  max-width: 100%;
}

code,
pre {
  font-family: "JetBrains Mono", "Consolas", monospace;
}

.shell {
  width: min(100% - 32px, 1480px);
  margin: 0 auto;
}

.shell--wide {
  width: min(100% - 32px, 1540px);
}

.shell--docs {
  width: min(100% - 32px, 1240px);
}

.site-header {
  position: relative;
  z-index: 2;
}

.site-header__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
}

.site-brand {
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--ink);
}

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

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover {
  background: rgba(14, 122, 109, 0.1);
  color: var(--brand-deep);
  transform: translateY(-1px);
}

.site-header--docs .site-header__intro {
  padding: 18px 0 34px;
}

.site-header__eyebrow {
  margin: 0 0 10px;
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  font-weight: 800;
}

.site-header__intro h1 {
  margin: 0;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: clamp(2.3rem, 3vw, 3.5rem);
  line-height: 1.08;
}

.site-header__intro p {
  max-width: 780px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.page-main {
  padding: 0 0 64px;
}

.markdown-body {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: clamp(28px, 3vw, 52px);
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  color: var(--ink);
  line-height: 1.2;
}

.markdown-body h1 {
  margin-top: 0;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: clamp(2rem, 2.6vw, 3rem);
}

.markdown-body h2 {
  margin-top: 2.2em;
  padding-bottom: 0.45em;
  border-bottom: 1px solid rgba(18, 32, 51, 0.1);
  font-size: 1.75rem;
}

.markdown-body h3 {
  margin-top: 1.7em;
  font-size: 1.2rem;
}

.markdown-body p,
.markdown-body li,
.markdown-body blockquote {
  color: #324356;
}

.markdown-body ul,
.markdown-body ol {
  padding-left: 1.3rem;
}

.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4rem 0;
  overflow: hidden;
  border-radius: 14px;
}

.markdown-body th,
.markdown-body td {
  padding: 12px 14px;
  border: 1px solid rgba(18, 32, 51, 0.08);
}

.markdown-body th {
  background: #eef5fb;
}

.markdown-body pre {
  position: relative;
  overflow: auto;
  padding: 18px;
  background: #0f1724;
  color: #eef6ff;
  border-radius: 16px;
}

.markdown-body code {
  padding: 0.18em 0.42em;
  border-radius: 8px;
  background: #edf3fa;
}

.markdown-body pre code {
  background: transparent;
  padding: 0;
}

.copy-button {
  position: absolute;
  top: 12px;
  right: 12px;
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  cursor: pointer;
}

.copy-button.copied {
  background: rgba(14, 122, 109, 0.92);
}

.landing-main {
  padding-bottom: 72px;
}

.hero-section {
  padding: 32px 0 24px;
}

.hero-banner {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(8, 59, 99, 0.96), rgba(14, 122, 109, 0.9)),
    linear-gradient(135deg, #0a2f4e, #0e7a6d);
  border-radius: 36px;
  color: #f4fbff;
  padding: clamp(36px, 5vw, 72px);
  min-height: 460px;
  box-shadow: 0 30px 90px rgba(8, 59, 99, 0.28);
}

.hero-banner::before,
.hero-banner::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
}

.hero-banner::before {
  width: 380px;
  height: 380px;
  top: -120px;
  right: -40px;
}

.hero-banner::after {
  width: 260px;
  height: 260px;
  bottom: -90px;
  left: -30px;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.9fr);
  gap: 32px;
  align-items: stretch;
}

.hero-copy .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
}

.hero-copy p {
  max-width: 820px;
  margin: 22px 0 0;
  color: rgba(244, 251, 255, 0.86);
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button-link:hover {
  transform: translateY(-2px);
}

.button-link--primary {
  background: #fff;
  color: var(--brand-deep);
  box-shadow: 0 20px 40px rgba(9, 34, 57, 0.18);
}

.button-link--secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.metric-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.metric-card strong {
  display: block;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: 1.7rem;
  line-height: 1.1;
}

.metric-card span {
  display: block;
  margin-top: 6px;
  color: rgba(244, 251, 255, 0.78);
  font-size: 0.95rem;
}

.hero-panel {
  align-self: end;
  padding: 26px;
  border-radius: 26px;
  background: rgba(6, 21, 38, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.hero-panel__label {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

.hero-panel ul {
  margin: 0;
  padding-left: 1.2rem;
}

.hero-panel li {
  margin-bottom: 12px;
  color: rgba(244, 251, 255, 0.9);
}

.landing-section {
  padding: 28px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: end;
  margin-bottom: 20px;
}

.section-heading h2 {
  margin: 0;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: clamp(1.8rem, 2.5vw, 2.6rem);
}

.section-heading p {
  margin: 10px 0 0;
  max-width: 780px;
  color: var(--muted);
}

.section-kicker {
  color: var(--brand);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.82rem;
  font-weight: 800;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

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

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: 0 20px 50px rgba(18, 32, 51, 0.08);
  min-height: 100%;
}

.feature-card__tag {
  align-self: flex-start;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(14, 122, 109, 0.1);
  color: var(--brand);
  font-size: 0.84rem;
  font-weight: 700;
}

.feature-card h3 {
  margin: 0;
  font-size: 1.3rem;
}

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

.feature-card ul {
  margin: 0;
  padding-left: 1.2rem;
  color: #324356;
}

.feature-card li {
  margin-bottom: 8px;
}

.feature-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 4px;
}

.mini-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: #eef5fb;
  color: var(--brand-deep);
  font-weight: 700;
}

.mini-link:hover {
  background: #dce9f6;
}

.wide-panel {
  padding: 28px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(14, 122, 109, 0.08), rgba(8, 59, 99, 0.08)),
    #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 22px 54px rgba(18, 32, 51, 0.08);
}

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

.quick-links a {
  padding: 12px 14px;
  border-radius: 999px;
  background: rgba(8, 59, 99, 0.08);
  color: var(--brand-deep);
  font-weight: 700;
}

.quick-links a:hover {
  background: rgba(8, 59, 99, 0.14);
}

@media (max-width: 1180px) {
  .hero-grid,
  .cards-grid,
  .cards-grid--two,
  .section-heading {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .shell,
  .shell--wide,
  .shell--docs {
    width: min(100% - 20px, 100%);
  }

  .site-header__topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .markdown-body {
    border-radius: 20px;
    padding: 20px;
  }

  .hero-banner {
    border-radius: 24px;
    min-height: auto;
    padding: 26px 20px;
  }

  .hero-copy h1 {
    font-size: 2.4rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .wide-panel,
  .hero-panel {
    padding: 20px;
    border-radius: 18px;
  }
}