/* Page d'accueil (solutions d'IA). Les autres pages gardent style.css. */
:root {
  --bg: #F7F9FC;
  --surface: #FFFFFF;
  --ink: #0B1F3F;
  --muted: #4A5B75;
  --line: #DCE3EE;
  --accent: #1F5BFF;
  --accent-hover: #174AD6;
  --on-accent: #FFFFFF;
  --tint: #EAF0FF;
  --ring: #0B1F3F;
  --error: #B42020;
  --ok: #17713E;
  --radius: 14px;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A1426;
    --surface: #111E36;
    --ink: #E8EEF9;
    --muted: #A4B3CC;
    --line: #24344F;
    --accent: #6C97FF;
    --accent-hover: #8CAEFF;
    --on-accent: #07101F;
    --tint: #16264A;
    --ring: #E8EEF9;
    --error: #FF9C9C;
    --ok: #7FDBA5;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 16px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; text-wrap: balance; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 28px; }
h3 { font-size: 1.1rem; margin: 0 0 8px; }
p { margin: 0; }

:focus-visible { outline: 3px solid var(--ring); outline-offset: 3px; border-radius: 6px; }

.skip {
  position: absolute; left: -999px; top: 8px; z-index: 20;
  background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: 8px;
}
.skip:focus { left: 8px; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* ---------- Navigation ---------- */
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.nav nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  display: inline-flex; align-items: center; min-height: 44px; padding-inline: 12px;
  font-weight: 500; font-size: .95rem; text-decoration: none; color: var(--muted);
  border-radius: 8px; transition: color .15s ease;
}
.nav-link:hover { color: var(--ink); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; text-decoration: none; min-height: 44px; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px;
  padding: 10px 22px; border: 1px solid var(--accent); border-radius: 10px;
  background: var(--accent); color: var(--on-accent);
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-small { min-height: 44px; padding: 8px 16px; font-size: .95rem; margin-left: 8px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--tint); border-color: var(--accent); color: var(--ink); }

/* ---------- Haut de page ---------- */
.hero { display: grid; grid-template-columns: 1.25fr 1fr; gap: 56px; align-items: center; padding-block: 64px 80px; }
.eyebrow { font-weight: 600; font-size: .95rem; color: var(--accent); margin-bottom: 14px; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 20px; }
.lede { font-size: 1.15rem; color: var(--muted); max-width: 56ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.note { font-size: .92rem; color: var(--muted); margin-top: 14px; }
.note a, .fine a { color: inherit; }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.panel h2 { font-size: 1.1rem; letter-spacing: -0.01em; margin: 0 0 16px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 30px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: .3em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--tint);
}
.checks li::after {
  content: ""; position: absolute; left: 5px; top: calc(.3em + 5px); width: 8px; height: 4px;
  border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg);
}

/* ---------- Sections ---------- */
.section { padding-block: 56px; border-top: 1px solid var(--line); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--muted); font-size: .98rem; }
.icon { width: 26px; height: 26px; margin-bottom: 14px; fill: none; stroke: var(--accent); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; display: block; }

.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: etape; }
.steps li { counter-increment: etape; }
.steps li::before {
  content: counter(etape); display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%; margin-bottom: 14px;
  background: var(--tint); color: var(--accent); font-weight: 700;
}
.steps p { color: var(--muted); font-size: .98rem; }

.proof {
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  background: var(--tint); border-radius: var(--radius); padding: 32px;
}
.proof h2 { font-size: 1.3rem; margin-bottom: 8px; }
.proof p { color: var(--muted); max-width: 60ch; }
.proof .btn { flex: none; background: var(--surface); }

.faq { display: grid; gap: 10px; max-width: 760px; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.faq summary { padding: 14px 18px; min-height: 44px; font-weight: 600; cursor: pointer; border-radius: 10px; }
.faq details p { padding: 0 18px 16px; color: var(--muted); }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact h2 { margin-bottom: 12px; }
.contact > div > p:first-of-type { color: var(--muted); }
.contact-form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.contact-form label { display: block; font-weight: 600; font-size: .95rem; margin: 16px 0 6px; }
.contact-form label:first-child { margin-top: 0; }
.contact-form input:not(.hp), .contact-form textarea {
  width: 100%; min-height: 48px; padding: 11px 14px; font: inherit; font-size: 1rem;
  background: var(--bg); color: var(--ink); border: 1px solid var(--muted); border-radius: 10px;
}
.contact-form textarea { min-height: 130px; resize: vertical; }
.contact-form input:not(.hp):focus, .contact-form textarea:focus { outline: 3px solid var(--accent); outline-offset: 1px; }
.contact-form .btn { margin-top: 18px; width: 100%; }
.msg { margin: 12px 0 0; font-weight: 600; }
.msg:empty { display: none; }
.msg[data-kind="error"] { color: var(--error); }
.msg[data-kind="ok"] { color: var(--ok); }
.fine { font-size: .85rem; color: var(--muted); margin-top: 12px; }
.contact-form.done label, .contact-form.done input, .contact-form.done textarea, .contact-form.done button { display: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ---------- Pied de page ---------- */
.footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-block: 28px 40px; border-top: 1px solid var(--line); font-size: .92rem; color: var(--muted); }
.footer a { display: inline-block; padding-block: 6px; }

/* ---------- Page /realm/ ---------- */
/* Liste sans coche (problèmes signalés, points non testés). */
.checks.dots li { padding-left: 22px; }
.checks.dots li::before { left: 4px; top: .65em; width: 8px; height: 8px; background: var(--muted); }
.checks.dots li::after { content: none; }
.status { display: grid; grid-template-columns: 1.5fr 1fr; gap: 20px; align-items: start; }
.status .panel h3 { margin-bottom: 16px; }
.status .panel ul + h3 { margin-top: 28px; }
.sub { font-size: 1.25rem; margin: 48px 0 24px; }
.steps h4 { font-size: 1.1rem; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 8px; }
.footer .tm { flex-basis: 100%; }

/* ---------- Écrans étroits ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-block: 40px 56px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .contact { grid-template-columns: 1fr; gap: 28px; }
  .status { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-link { display: none; }
  .grid, .steps { grid-template-columns: 1fr; }
  .steps { gap: 24px; }
  .proof { flex-direction: column; align-items: flex-start; padding: 24px; }
  .section { padding-block: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}