/* spast.uk — même identité que l'appli (thème SPAST Nuit) */
/* Le site est déjà sombre : on l'indique pour que le « mode sombre forcé » des navigateurs ne le retouche pas */
:root { color-scheme: dark; --bg: #0c0a16; --panel: #16132a; --panel2: #1d1935; --line: #2a2545; --text: #f3f0ff; --muted: #a59fc4; --accent: #b8ff3c; --accent2: #8b5cff; }
@font-face { font-family: 'Space Grotesk'; src: url('fonts/SpaceGrotesk.woff2') format('woff2'); font-weight: 300 700; font-display: swap; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); font: 16px/1.6 'Space Grotesk', 'Segoe UI', sans-serif;
  background: radial-gradient(900px 600px at 80% -10%, #8b5cff33, transparent 60%), radial-gradient(700px 500px at 0% 20%, #b8ff3c14, transparent 60%), var(--bg); }
a { color: inherit; }
html:not([lang="fr"]) [data-lang="fr"], html:not([lang="en"]) [data-lang="en"] { display: none !important; }
i[data-lang] { font-style: normal; }
.muted { color: var(--muted); } .small { font-size: 13px; }

.top { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px max(16px, calc(50% - 560px)); background: #0c0a16cc; backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: 5px; font-size: 20px; text-decoration: none; }
.brand em, .foot b span { color: var(--accent); font-style: normal; }
.top nav { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.top nav a { text-decoration: none; color: var(--muted); } .top nav a:hover { color: var(--text); }
.langs { display: flex; gap: 4px; }
.langs button { background: none; border: 1px solid var(--line); color: var(--muted); border-radius: 999px; padding: 4px 10px; font: inherit; font-size: 12px; cursor: pointer; }
.langs button.on { border-color: var(--accent); color: var(--accent); }

main { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.hero { text-align: center; padding: 70px 0 30px; }
.kicker { color: var(--accent); font-weight: 700; letter-spacing: 2px; text-transform: uppercase; font-size: 13px; margin: 0; }
h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.05; margin: 14px 0; }
h1 { color: #f3f0ff; }
/* Bouton de téléchargement */
.dl { display: inline-flex; align-items: center; gap: 14px; max-width: 100%; padding: 10px 26px 10px 10px; border-radius: 999px;
  text-decoration: none; color: #0c0a16; background: linear-gradient(180deg, #d4ff7a, #b8ff3c 55%, #9fe82a);
  border: 1px solid #e6ffb0; box-shadow: 0 10px 30px #b8ff3c40, inset 0 1px 0 #ffffffaa; transition: transform .15s, box-shadow .15s; }
.dl:hover { transform: translateY(-2px); box-shadow: 0 16px 40px #b8ff3c66, inset 0 1px 0 #ffffffaa; }
.dl:active { transform: translateY(0); }
.dl svg { width: 42px; height: 42px; padding: 10px; border-radius: 50%; background: #0c0a16; color: #b8ff3c; flex: none;
  fill: none; stroke: currentColor; stroke-width: 2.6; stroke-linecap: round; stroke-linejoin: round; }
.dl b { font-size: 17px; font-weight: 700; letter-spacing: .2px; }
.split .dl { margin-top: 20px; }
h1 span { color: var(--accent); text-shadow: 0 0 28px #b8ff3c55; }
.lead { max-width: 680px; margin: 0 auto 28px; color: var(--muted); font-size: 18px; }
.shot { margin: 40px 0 0; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 30px 80px #0008; }
.shot img { display: block; width: 100%; height: auto; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; padding: 60px 0; }
.features article { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.features b { font-size: 26px; } .features h3 { margin: 8px 0 6px; font-size: 19px; } .features p { margin: 0; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1.6fr; gap: 36px; align-items: center; padding: 20px 0 60px; }
.split h2, .faq h2 { font-size: 30px; line-height: 1.15; margin: 0 0 12px; } .split p { color: var(--muted); }
.split .shot { margin: 0; }

.faq { max-width: 780px; margin: 0 auto; padding-bottom: 70px; }
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 14px 18px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 600; } .faq details[open] summary { color: var(--accent); }
.faq p { color: var(--muted); margin: 10px 0 0; }

.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 26px max(16px, calc(50% - 560px));
  border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.foot nav { display: flex; gap: 16px; flex-wrap: wrap; } .foot a { text-decoration: none; } .foot a:hover { color: var(--accent); }

@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; } .top nav > a { display: none; } .hero { padding-top: 44px; }
}