:root {
  --page-bg: #f4efe4;
  --surface: #fffdf8;
  --surface-strong: #fff8ec;
  --ink: #1d3131;
  --muted: #587171;
  --line: rgba(17, 73, 73, 0.14);
  --brand: #0c7f7f;
  --brand-deep: #075b5b;
  --leaf: #3f7c37;
  --accent: #c96c2b;
  --shadow: 0 20px 50px rgba(18, 42, 42, 0.12);
  --radius-lg: 1.5rem;
  --radius-md: 1rem;
  --radius-sm: 0.7rem;
  --wrap: min(1180px, calc(100% - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(12, 127, 127, 0.14), transparent 28%),
    radial-gradient(circle at right 15%, rgba(201, 108, 43, 0.12), transparent 22%),
    linear-gradient(180deg, #fcfaf5 0%, var(--page-bg) 100%);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
}

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 0.85rem 1rem;
  background: var(--ink);
  color: #fff;
}

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

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap {
  width: var(--wrap);
  margin: 0 auto;
}

.topbar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(90deg, var(--brand-deep), #093e45);
  color: #edf8f8;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.65rem 0;
  font-size: 0.92rem;
}

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

.header-shell {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(255, 253, 248, 0.92);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem;
  align-items: center;
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--ink);
  text-decoration: none;
}

.brand img {
  width: 90px;
  height: auto;
}

.brand-copy {
  display: grid;
  gap: 0.15rem;
}

.brand-copy strong {
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-copy span {
  max-width: 28rem;
  color: var(--muted);
  font-size: 0.93rem;
}

.menu-toggle {
  display: none;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--brand-deep);
  font: inherit;
  font-weight: 700;
}

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

.site-nav-mobile {
  display: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--brand-deep);
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(12, 127, 127, 0.11);
}

.nav-mega {
  position: relative;
}

.nav-mega > summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  color: var(--brand-deep);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}

.nav-mega > summary::-webkit-details-marker {
  display: none;
}

.nav-mega > summary:hover,
.nav-mega[open] > summary {
  background: rgba(12, 127, 127, 0.11);
}

.nav-mega-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.55rem);
  left: 0;
  z-index: 25;
  min-width: 34rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(255, 253, 248, 0.98);
  box-shadow: var(--shadow);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.nav-mega[open] .nav-mega-panel,
.nav-mega:focus-within .nav-mega-panel {
  display: grid;
}

.nav-mega-title {
  margin-bottom: 0.45rem;
  color: var(--leaf);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
  font-weight: 800;
}

.nav-mega-panel a {
  display: block;
  padding: 0.4rem 0;
  border-radius: 0;
  text-decoration: none;
  font-weight: 700;
}

.nav-mega-panel a + a {
  border-top: 1px solid rgba(17, 73, 73, 0.08);
}

.nav-mega-panel a:hover {
  background: transparent;
}

.header-actions {
  display: none;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.8rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--brand-deep);
  color: #fffdf8;
  box-shadow: 0 12px 24px rgba(7, 91, 91, 0.2);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
  color: var(--brand-deep);
}

.button-ghost {
  color: var(--brand-deep);
  background: rgba(12, 127, 127, 0.08);
}

.hero {
  padding: 4rem 0 2.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.85fr);
  gap: 1.6rem;
  align-items: stretch;
}

.hero-card,
.panel,
.feature-card,
.release-card,
.cta-band,
.section-shell,
.notice-card,
.sidebar-card {
  background: rgba(255, 253, 248, 0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 2.2rem;
  background:
    linear-gradient(135deg, rgba(12, 127, 127, 0.08), rgba(255, 255, 255, 0.96)),
    rgba(255, 253, 248, 0.96);
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--leaf);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  font-weight: 800;
}

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.3rem, 5vw, 4.7rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
}

h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.5rem, 2vw, 2.1rem);
}

h3 {
  margin-bottom: 0.65rem;
  font-size: 1.1rem;
}

.lead {
  max-width: 46rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.hero-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.panel {
  padding: 1.5rem;
}

.panel ul,
.clean-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.panel li,
.mini-list li {
  padding: 0.7rem 0;
  border-top: 1px solid rgba(17, 73, 73, 0.1);
}

.panel li:first-child,
.mini-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.section-shell {
  padding: 1.7rem;
}

.section-shell + .section-shell,
.section-stack {
  margin-top: 1.25rem;
}

.feature-grid,
.stats-grid,
.link-grid,
.footer-grid,
.release-grid,
.three-up {
  display: grid;
  gap: 1.1rem;
}

.feature-grid,
.release-grid,
.three-up {
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.stats-grid {
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
}

.link-grid {
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.feature-card,
.release-card,
.notice-card,
.sidebar-card {
  padding: 1.35rem;
}

.feature-card p,
.release-card p,
.notice-card p,
.sidebar-card p,
.section-shell p,
.cta-band p {
  color: var(--muted);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 0.85rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: rgba(12, 127, 127, 0.12);
  color: var(--brand-deep);
  font-size: 0.82rem;
  font-weight: 700;
}

.pill.is-warm {
  background: rgba(201, 108, 43, 0.12);
  color: #8c4b1c;
}

.stat {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(12, 127, 127, 0.07);
}

.stat strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.25rem;
}

.cta-band {
  margin-top: 1.25rem;
  padding: 1.5rem;
  background:
    linear-gradient(135deg, rgba(12, 127, 127, 0.9), rgba(7, 91, 91, 0.94)),
    var(--brand-deep);
  color: #fff;
}

.cta-band h2,
.cta-band p {
  color: inherit;
}

.page-layout {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(18rem, 0.9fr);
  gap: 1.25rem;
  padding-bottom: 3rem;
}

.breadcrumbs {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumbs a {
  color: inherit;
}

.page-title-band {
  margin-bottom: 1.25rem;
}

.newsletter-box {
  padding: 1.2rem;
  border-radius: var(--radius-md);
  background: rgba(63, 124, 55, 0.08);
}

.release-card details {
  width: 100%;
}

.release-card summary {
  cursor: pointer;
  font-weight: 700;
}

.release-card summary::-webkit-details-marker {
  display: none;
}

.release-card summary::after {
  content: "+";
  float: right;
  color: var(--accent);
}

.release-card details[open] summary::after {
  content: "−";
}

.change-log-page {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-bottom: 3rem;
}

.change-log-hero {
  margin-bottom: 0;
}

.change-log-shell {
  display: grid;
  gap: 1rem;
}

.release-controls {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(12, 127, 127, 0.05);
}

.release-search-label {
  font-weight: 700;
  color: var(--brand-deep);
}

.release-search {
  width: 100%;
  min-height: 2.8rem;
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 0.65rem 0.85rem;
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
}

.release-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.release-chip {
  min-height: 2rem;
  border: 1px solid rgba(12, 127, 127, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--brand-deep);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}

.release-chip.is-active,
.release-chip:hover {
  background: rgba(12, 127, 127, 0.16);
}

.release-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.release-result-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.release-list {
  display: grid;
  gap: 0.95rem;
}

.release-item {
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 248, 0.94);
  box-shadow: var(--shadow);
}

.release-item details {
  width: 100%;
}

.release-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  color: var(--brand-deep);
}

.release-item summary::-webkit-details-marker {
  display: none;
}

.release-item summary::after {
  content: "+";
  margin-left: auto;
  color: var(--accent);
  font-size: 1.05rem;
}

.release-item details[open] summary::after {
  content: "−";
}

.release-summary-version {
  font-weight: 800;
}

.release-summary-date {
  color: var(--muted);
  font-weight: 600;
}

.release-body {
  margin-top: 0.95rem;
}

.release-badges {
  margin-bottom: 1rem;
}

.release-item[hidden] {
  display: none !important;
}

.meta-list {
  display: grid;
  gap: 0.55rem;
}

.meta-list dt {
  font-weight: 700;
}

.meta-list dd {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  margin-top: auto;
  padding: 1rem 0 2rem;
}

.footer-shell {
  background: rgba(8, 50, 50, 0.96);
  border-radius: 2rem;
  color: #ebf7f7;
  padding: 1.5rem;
}

.footer-grid {
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.footer-card h2 {
  color: #fff;
  font-size: 1.1rem;
}

.footer-card a,
.footer-bar a {
  color: #d4f0f0;
  text-decoration: none;
}

.footer-card li + li {
  margin-top: 0.55rem;
}

.footer-bar {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(235, 247, 247, 0.85);
  font-size: 0.94rem;
}

.footer-bar p {
  margin-bottom: 0.45rem;
}

.muted {
  color: var(--muted);
}

.route-table {
  width: 100%;
  border-collapse: collapse;
}

.route-table th,
.route-table td {
  padding: 0.8rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.status-list {
  display: grid;
  gap: 0.75rem;
}

.status-list li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.status-ok,
.status-warn,
.status-error {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  flex: 0 0 auto;
}

.status-ok {
  background: #2f8f46;
}

.status-warn {
  background: #c96c2b;
}

.status-error {
  background: #b33b3b;
}

@media (max-width: 960px) {
  .header-inner,
  .hero-grid,
  .page-layout {
    grid-template-columns: 1fr;
  }

  .site-nav-desktop {
    display: none;
  }

  .site-nav-mobile {
    display: none;
    flex-direction: column;
    align-items: stretch;
    grid-column: 1 / -1;
    gap: 0.7rem;
    padding-top: 0.4rem;
  }

  .site-nav-mobile.is-open {
    display: flex;
  }

  .site-nav-mobile a {
    justify-content: flex-start;
    border-radius: var(--radius-sm);
    background: rgba(12, 127, 127, 0.08);
  }

  .mobile-nav-group {
    display: grid;
    gap: 0.4rem;
  }

  .mobile-nav-section {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.7);
  }

  .mobile-nav-section > summary {
    width: 100%;
    display: flex;
    justify-content: flex-start;
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    cursor: pointer;
    list-style: none;
    font-weight: 800;
    color: var(--brand-deep);
  }

  .mobile-nav-section > summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav-section[open] {
    background: rgba(12, 127, 127, 0.05);
  }

  .mobile-nav-panel {
    display: grid;
    gap: 0.6rem;
    padding: 0 1rem 1rem;
  }

  .mobile-nav-title {
    margin: 0 0 0.35rem;
    color: var(--leaf);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.78rem;
    font-weight: 800;
  }

  .mobile-nav-panel a {
    display: block;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
  }

  .mobile-nav-panel a + a {
    border-top: 1px solid rgba(17, 73, 73, 0.08);
  }

  .menu-toggle {
    display: inline-flex;
  }
}

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

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

  .brand-copy span {
    max-width: none;
  }

  .header-inner {
    gap: 0.85rem;
  }

  .hero {
    padding-top: 2.25rem;
  }

  .hero-card,
  .panel,
  .section-shell,
  .feature-card,
  .release-card,
  .notice-card,
  .sidebar-card,
  .cta-band {
    padding: 1.2rem;
  }

  .release-controls,
  .release-item {
    padding: 1rem;
  }
}