:root {
  color-scheme: light dark;
  --bg: #f5f5f7;
  --card: rgba(255,255,255,.78);
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0,0,0,.08);
  --accent: #3a76d2;
  --accent2: #6957c8;
  --shadow: 0 18px 50px rgba(0,0,0,.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d0f;
    --card: rgba(28,28,30,.82);
    --text: #f5f5f7;
    --muted: #a1a1a6;
    --line: rgba(255,255,255,.10);
    --shadow: 0 18px 50px rgba(0,0,0,.30);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(58,118,210,.12), transparent 32rem),
    radial-gradient(circle at 85% 0%, rgba(105,87,200,.11), transparent 28rem),
    var(--bg);
  line-height: 1.55;
}

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

.wrap {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}

nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  font-weight: 700;
  color: var(--text);
}

.brand:hover { text-decoration: none; }

.logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--accent), var(--accent2));
  color: white;
  box-shadow: 0 6px 16px rgba(58,118,210,.24);
  font-size: 18px;
}

.navlink {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.navlink.active { color: var(--text); }

.hero {
  padding: 84px 0 50px;
  text-align: center;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .02em;
  font-size: 14px;
}

h1 {
  margin: 10px 0 12px;
  font-size: clamp(46px, 8vw, 78px);
  line-height: .98;
  letter-spacing: -.055em;
}

.lead {
  width: min(720px, 100%);
  margin: 0 auto;
  color: var(--muted);
  font-size: clamp(19px, 2.4vw, 24px);
}

.pills {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.pill {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 8px 13px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 20px 0 70px;
}

.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 24px;
  padding: 26px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.card h2, .content h1, .content h2 { letter-spacing: -.02em; }
.card h2 { margin-top: 0; font-size: 21px; }
.card p { margin-bottom: 0; color: var(--muted); }

.icon {
  font-size: 26px;
  margin-bottom: 16px;
}

.content {
  width: min(820px, calc(100% - 40px));
  margin: 58px auto 80px;
}

.content h1 {
  font-size: clamp(38px, 6vw, 56px);
  margin-bottom: 12px;
}

.content h2 {
  margin-top: 38px;
  font-size: 24px;
}

.content p, .content li {
  color: var(--muted);
}

.notice {
  margin: 24px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--accent);
  background: var(--card);
  border-radius: 0 16px 16px 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-weight: 700;
}

.button.secondary {
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--line);
}

.button:hover { text-decoration: none; filter: brightness(.98); }

.lang {
  margin-left: 6px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 10px;
  padding: 6px 9px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

[data-lang="en"] { display: none; }
body.en [data-lang="fr"] { display: none; }
body.en [data-lang="en"] { display: block; }
body.en span[data-lang="en"], body.en a[data-lang="en"] { display: inline; }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  padding: 26px 0 38px;
}

.footerrow {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  nav { gap: 12px; }
  .navlink { display: none; }
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 58px; }
  .card { padding: 22px; }
}