/* lab index: the portal's flat palette (solid fills, hard edges, offset shadows) */
:root { --bg:#0d1321; --panel:#131b2d; --panel2:#1a2439; --line:#2b3b5e; --ink:#ece3cb; --dim:#8d95a9; --amber:#ffb23f; --cyan:#4fd6c8; --red:#ff5a4e; --navy:#0a0f1a; --gut:clamp(16px,4vw,48px); color-scheme: dark; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 15px/1.8 "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--cyan); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.mono { font-family: ui-monospace, Consolas, monospace; letter-spacing: .12em; color: var(--dim); font-size: 12px; }
.top { display: flex; justify-content: space-between; align-items: center; padding: 10px var(--gut); border-bottom: 1px solid var(--line); background: var(--navy); }
.top .back { color: var(--amber); text-decoration: none; font-weight: 700; min-height: 44px; display: inline-flex; align-items: center; }
main { max-width: 1040px; margin: 0 auto; padding: 0 var(--gut) 48px; }
.hero { padding: 40px 0 24px; }
.hero h1 { margin: 0 0 12px; font-size: clamp(28px, 6vw, 44px); line-height: 1.2; color: var(--amber); }
.hero p { margin: 0; max-width: 40em; color: var(--ink); }
.areas { list-style: none; padding: 0; margin: 8px 0 32px; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.areas > li { background: var(--panel); border: 1px solid var(--line); box-shadow: 6px 6px 0 var(--navy); padding: 20px; display: flex; flex-direction: column; gap: 10px; }
.areas h2 { margin: 0; font-size: 1.2rem; }
.a3d { border-top: 4px solid var(--amber) !important; } .achat { border-top: 4px solid var(--cyan) !important; } .agal { border-top: 4px solid var(--red) !important; }
.areas p { margin: 0; color: var(--ink); font-size: .95rem; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { background: var(--panel2); border: 1px solid var(--line); padding: 1px 8px; font-size: 12px; color: var(--dim); }
.go { margin-top: auto; align-self: flex-start; background: var(--amber); color: var(--navy); font-weight: 700; text-decoration: none; padding: 10px 18px; min-height: 44px; display: inline-flex; align-items: center; box-shadow: 4px 4px 0 var(--navy); }
.achat .go { background: var(--cyan); } .agal .go { background: var(--ink); }
.go:hover { transform: translate(-1px,-1px); }
.about { background: var(--panel); border: 1px solid var(--line); padding: 20px 24px; }
.about h2 { margin: 0 0 8px; color: var(--amber); font-size: 1.1rem; }
.about p { margin: 0 0 10px; max-width: 46em; }
.links { padding-left: 1.2em; margin: 8px 0 0; }
.links li { margin: 4px 0; }
.foot { text-align: center; padding: 24px var(--gut) 40px; color: var(--dim); font-size: 13px; }
.foot p { margin: 4px 0; } .foot a { color: var(--cyan); }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }