/* Page de présentation des 3 pistes */
:root {
  --bg: #DDE1E1;
  --card: #FFFFFF;
  --ink: #333932;
  --muted: #4E5759;
  --navy: #333932;
  --sage: #798270;
  --line: #DBD9D0;
  --gutter: clamp(20px, 5vw, 64px);
}
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Arimo", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
h1, h2, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 4px; }

.container { max-width: 1320px; margin-inline: auto; padding-inline: var(--gutter); }

.top { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 28px; border-bottom: 1px solid var(--line); }
.brand { letter-spacing: .26em; font-weight: 300; color: var(--navy); font-size: 14px; }
.brand b { font-weight: 600; }
.meta { font-size: 14px; color: var(--muted); }

.intro { padding-block: clamp(56px, 8vw, 104px) clamp(40px, 5vw, 64px); max-width: 760px; }
.eyebrow { font-size: 13px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--sage); }
.intro h1 { margin-top: 16px; font-size: clamp(40px, 5.6vw, 72px); line-height: 1.02; font-weight: 400; letter-spacing: -.025em; color: var(--navy); }
.lead { margin-top: 24px; font-size: clamp(16px, 1.3vw, 19px); color: var(--muted); }

.tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.tile {
  height: 100%; display: flex; flex-direction: column; background: var(--card);
  border: 1px solid var(--line); overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.tile:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(51, 57, 50, .14); border-color: transparent; }
.tile-thumb { aspect-ratio: 16 / 10; overflow: hidden; background: var(--line); border-bottom: 1px solid var(--line); }
.tile-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; transition: transform .6s ease; }
.tile:hover .tile-thumb img { transform: scale(1.03); }
.tile-body { flex-grow: 1; display: flex; flex-direction: column; gap: 14px; padding: 28px; }
.tile-num { font-size: 13px; font-weight: 500; letter-spacing: .16em; text-transform: uppercase; color: var(--sage); }
.tile h2 { font-size: 30px; font-weight: 400; letter-spacing: -.01em; color: var(--navy); line-height: 1.1; }
.tile-body > p:not(.tile-num) { color: var(--muted); }
.swatches { display: flex; gap: 8px; }
.swatches li { width: 26px; height: 26px; border-radius: 50%; background: var(--c); box-shadow: inset 0 0 0 1px rgba(0,0,0,.1); }
.tile-cta { margin-top: auto; padding-top: 8px; font-weight: 600; color: var(--navy); display: inline-flex; gap: 8px; }
.tile-cta span { transition: transform .3s ease; }
.tile:hover .tile-cta span { transform: translateX(6px); }

.notes { margin-top: clamp(56px, 7vw, 88px); padding: 32px; background: var(--card); border: 1px solid var(--line); max-width: 860px; }
.notes h2 { font-size: 18px; font-weight: 600; margin-bottom: 12px; }
.notes li { position: relative; padding-left: 20px; color: var(--muted); }
.notes li + li { margin-top: 6px; }
.notes li::before { content: "·"; position: absolute; left: 0; color: var(--sage); }

.bottom { padding-block: 56px 40px; font-size: 14px; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  .tile, .tile-thumb img, .tile-cta span { transition: none; }
  .tile:hover, .tile:hover .tile-thumb img { transform: none; }
}
@media (max-width: 1000px) { .tiles { grid-template-columns: 1fr; max-width: 620px; } }
@media (max-width: 600px) { .top { flex-direction: column; align-items: flex-start; } .tile-body { padding: 22px; } }