:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #5b6b84;
  --brand: #1d4ed8;
  --brand-ink: #082f8f;
  --accent: #0ea5a5;
  --line: #dbe4f0;
  --ok: #047857;
  --warn: #b45309;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

code {
  background: #eef2f9;
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.9em;
}

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

/* --- Barre supérieure --- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-size: 1.05rem;
}
.brand:hover {
  text-decoration: none;
}
.brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}
.brand strong {
  color: var(--brand);
}
.topbar nav {
  display: flex;
  gap: 18px;
  font-size: 0.9rem;
}

/* --- Héros --- */
.hero {
  background: radial-gradient(1200px 400px at 80% -10%, #dbeafe 0%, transparent 60%),
    linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: center;
  padding: 56px 0;
}
.eyebrow {
  color: var(--brand);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0 0 8px;
}
.hero h1 {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  margin: 0 0 14px;
  line-height: 1.15;
}
.hero h1 span {
  color: var(--brand);
}
.lead {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.6;
  margin: 0 0 22px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  border-radius: 10px;
  padding: 11px 18px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
}
.button:hover {
  text-decoration: none;
}
.button.primary {
  background: var(--brand);
  color: #fff;
}
.button.primary:hover {
  background: var(--brand-ink);
}
.button.ghost {
  border-color: var(--line);
  color: var(--ink);
  background: #fff;
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 18px 40px -28px rgba(15, 23, 42, 0.45);
}
.channel-switch {
  display: inline-flex;
  background: #eef2f9;
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
  margin-bottom: 14px;
}
.channel-switch button {
  border: 0;
  background: transparent;
  padding: 6px 14px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--muted);
  cursor: pointer;
}
.channel-switch button.active {
  background: #fff;
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(15, 23, 42, 0.12);
}
.version-label {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.version {
  font-size: 2rem;
  font-weight: 700;
  margin: 2px 0 4px;
}
.version-meta {
  color: var(--muted);
  font-size: 0.86rem;
  margin: 0 0 14px;
}
.checks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--ok);
}

/* --- Sections --- */
.section {
  padding: 44px 0 8px;
}
.section h2 {
  font-size: 1.4rem;
  margin: 0 0 4px;
}
.section-lead {
  color: var(--muted);
  margin: 0 0 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.card.recommended {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}
.card header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.card h3 {
  margin: 0;
  font-size: 1.05rem;
}
.badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 8px;
  border-radius: 999px;
  background: #e0e7ff;
  color: var(--brand-ink);
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}
.card .files {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: auto;
}
.file-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
}
.file-link:hover {
  border-color: var(--brand);
  background: #f5f8ff;
  text-decoration: none;
}
.file-link small {
  color: var(--muted);
  font-weight: 500;
}

.other-downloads {
  margin-top: 26px;
}
.other-downloads h3 {
  font-size: 1rem;
  margin: 0 0 10px;
}
.assets {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  overflow: hidden;
}
.assets li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--line);
}
.assets li:last-child {
  border-bottom: 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}
.panel h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}
.panel p,
.panel li {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}
.ticks {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ticks li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 4px;
}
.ticks li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--ok);
  font-weight: 700;
}
.note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.86rem;
}

.previous {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--card);
  overflow: hidden;
}
.previous li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
}
.previous li:last-child {
  border-bottom: 0;
}
.previous .meta {
  color: var(--muted);
  font-size: 0.82rem;
}
.fallback {
  color: var(--warn);
  font-size: 0.9rem;
}

.empty {
  color: var(--muted);
  font-size: 0.92rem;
  background: var(--card);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 16px;
}

footer {
  margin-top: 48px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 880px) {
  .hero-inner,
  .cards,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .topbar nav {
    display: none;
  }
}