/* Site de présentation de Learning Suite — même famille visuelle que le site de Clicksy. */
:root {
  --bg: #ffffff;
  --band: #f4f6fb;
  --card: #ffffff;
  --border: #e2e6ef;
  --text: #16192a;
  --muted: #586079;
  --accent: #2f5bea;
  --accent-text: #ffffff;
  --accent-soft: #e8eefe;
  --gold: #ffb020;
  --done: #1e8a52;
  --done-soft: #e3f4ea;
  --now: #b26a00;
  --now-soft: #fff3df;
  --hero-from: #eef2ff;
  --shadow: 0 12px 34px rgba(20, 30, 70, 0.13);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12141b;
    --band: #191c25;
    --card: #1f232e;
    --border: #2c3140;
    --text: #eceef4;
    --muted: #a4abbe;
    --accent: #6f93ff;
    --accent-text: #0b1020;
    --accent-soft: #212b48;
    --done: #4cc98a;
    --done-soft: #17301f;
    --now: #f0b14d;
    --now-soft: #33280f;
    --hero-from: #171d36;
    --shadow: 0 12px 34px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: linear-gradient(180deg, var(--hero-from) 0, var(--bg) 760px) no-repeat, var(--bg);
  color: var(--text);
  font: 17px/1.6 "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
code { font: 0.86em "Cascadia Mono", Consolas, monospace; background: var(--band); padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 50; background: var(--card); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 2px; }

/* ---------- En-tête ---------- */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; color: var(--text); text-decoration: none; white-space: nowrap; }
.brand img { width: 32px; height: 32px; }
nav { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; justify-content: flex-end; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--text); }
nav .lang { border: 1px solid var(--border); border-radius: 999px; padding: 2px 10px; font-weight: 600; color: var(--text); }

/* ---------- Accroche ---------- */
.hero { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; align-items: center; padding-top: 60px; padding-bottom: 72px; }
.kicker { color: var(--accent); font-weight: 600; letter-spacing: 0.02em; margin: 0 0 10px; }
h1 { font: 700 clamp(34px, 4.6vw, 54px)/1.08 "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; margin: 0 0 18px; letter-spacing: -0.02em; }
.lead { font-size: 19px; color: var(--muted); margin: 0 0 26px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; border: 1px solid var(--border); background: var(--card); color: var(--text); text-decoration: none; font-weight: 600; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.status { margin: 16px 0 0; font-size: 15px; color: var(--muted); }
.status strong { color: var(--now); }
.promise { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0; margin: 22px 0 0; list-style: none; font-size: 15px; color: var(--muted); }
.promise li::before { content: "✓ "; color: var(--done); font-weight: 700; }
.shot { border-radius: 12px; border: 1px solid var(--border); box-shadow: var(--shadow); background: var(--card); }

/* ---------- Sections ---------- */
section { padding: 72px 0; scroll-margin-top: 62px; }
.band { background: var(--band); }
h2 { font: 700 clamp(26px, 3.2vw, 36px)/1.15 "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif; margin: 0 0 12px; letter-spacing: -0.01em; }
.intro { color: var(--muted); max-width: 760px; margin: 0 0 36px; font-size: 18px; }
h3 { font-size: 19px; margin: 0 0 6px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 18px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.icon { font-size: 26px; line-height: 1; margin-bottom: 10px; display: block; }

/* Exercices et activités */
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 8px; }
.list li { display: flex; gap: 10px; align-items: baseline; font-size: 16px; }
.tag { flex: none; font-size: 12px; font-weight: 700; padding: 1px 8px; border-radius: 999px; }
.tag.done { background: var(--done-soft); color: var(--done); }
.tag.soon { background: var(--now-soft); color: var(--now); }
.pill { display: inline-block; font-size: 13px; font-weight: 700; padding: 2px 10px; border-radius: 999px; margin-bottom: 10px; }
.pill.ex { background: var(--accent); color: var(--accent-text); }
.pill.act { background: var(--accent-soft); color: var(--accent); }

/* Galerie */
.gallery { display: grid; grid-template-columns: 1.6fr 1fr; gap: 22px; align-items: start; }
.gallery figure { margin: 0; }
.gallery figcaption { margin-top: 10px; font-size: 15px; color: var(--muted); }
.gallery .stack { display: grid; gap: 22px; }
.phone { max-width: 300px; margin: 0 auto; border-radius: 26px; }

/* La suite */
.app-status { font-size: 13px; font-weight: 700; }
.app-status.done { color: var(--done); }
.app-status.now { color: var(--now); }
.app-status.next { color: var(--muted); }

/* Feuille de route */
.road { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; counter-reset: step; }
.road li { position: relative; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px 18px 66px; }
.road li::before {
  counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 18px; width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; background: var(--band); color: var(--muted); border: 2px solid var(--border);
}
.road li.done::before { content: "✓"; background: var(--done); color: #fff; border-color: var(--done); }
.road li.now { border-color: var(--now); }
.road li.now::before { background: var(--now); color: #fff; border-color: var(--now); }
.road h3 { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: baseline; }
.road p { margin: 4px 0 0; color: var(--muted); font-size: 16px; }

/* Ouvert */
.open { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }

/* FAQ */
details { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; margin-bottom: 10px; }
summary { font-weight: 600; cursor: pointer; }
details p { color: var(--muted); margin: 10px 0 0; }

/* Pied de page */
footer { padding: 36px 0 48px; border-top: 1px solid var(--border); color: var(--muted); font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; }

/* ---------- Petits écrans ---------- */
@media (max-width: 900px) {
  .hero, .two, .gallery { grid-template-columns: 1fr; }
  .hero { padding-top: 36px; gap: 32px; }
  nav a:not(.lang):not(.gh) { display: none; }
}
@media (max-width: 520px) {
  .wrap { padding: 0 16px; }
  section { padding: 52px 0; }
  .road li { padding-left: 58px; }
  .road li::before { left: 14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }