/* Studio Léman — Scan 3D | landing B2B */

:root {
  --ink: #0d1117;
  --ink-2: #1b2430;
  --paper: #ffffff;
  --sand: #f6f4f0;
  --line: #e3ded6;
  --muted: #5d6672;
  --accent: #b8894a;
  --accent-dark: #966d37;
  --ok: #1f7a54;
  --radius: 14px;
  --shadow: 0 18px 40px -24px rgba(13, 17, 23, .45);
  --wrap: 1140px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0 0 .5em; font-weight: 650; }
h1 { font-size: clamp(2.1rem, 5vw, 3.35rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h3 { font-size: 1.13rem; }
p { margin: 0 0 1em; }
a { color: inherit; }
strong { font-weight: 650; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }
.section { padding: 84px 0; }
.section--sand { background: var(--sand); }
.section--ink { background: var(--ink); color: #f2efe9; }
.section--ink h2, .section--ink h3 { color: #fff; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .74rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 14px;
}
.section--ink .eyebrow { color: #d9ab6e; }

.lead { font-size: 1.14rem; color: var(--muted); max-width: 62ch; }
.section--ink .lead { color: #c3c9d1; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px;
  padding: 14px 22px;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav__logo { font-weight: 700; text-decoration: none; letter-spacing: -.01em; }
.nav__logo span { color: var(--accent); }
.nav__links { display: flex; align-items: center; gap: 22px; font-size: .93rem; }
.nav__links a { text-decoration: none; color: var(--muted); }
.nav__links a:hover { color: var(--ink); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 620;
  padding: 13px 24px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  cursor: pointer;
  font-size: 1rem;
  transition: background .15s ease, transform .15s ease;
}
.btn:hover { background: var(--accent-dark); transform: translateY(-1px); }
.btn--lg { padding: 16px 30px; font-size: 1.05rem; }
.btn--sm { padding: 9px 16px; font-size: .9rem; }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { background: #fff; border-color: var(--ink); }
.section--ink .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, .3); }
.section--ink .btn--ghost:hover { background: rgba(255, 255, 255, .08); }
.btn--block { display: block; width: 100%; text-align: center; }

/* ---------- hero ---------- */
.hero {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: center;
  padding: 76px 0 68px;
}
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero__proof { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 10px 20px; font-size: .92rem; color: var(--muted); }
.hero__proof li::before { content: "✓"; color: var(--ok); font-weight: 700; margin-right: 7px; }

.hero__card {
  background: var(--ink);
  color: #f2efe9;
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: var(--shadow);
}
.hero__card h2 { font-size: 1.15rem; color: #fff; }
.hero__card p { color: #c3c9d1; font-size: .96rem; }
.price-tag { display: flex; align-items: baseline; gap: 10px; margin: 6px 0 4px; }
.price-tag span { font-size: 2.7rem; font-weight: 700; color: #fff; letter-spacing: -.03em; }
.price-tag small { color: #9aa3ae; font-size: .9rem; }
.hero__card ul { list-style: none; margin: 18px 0; padding: 0; font-size: .95rem; }
.hero__card li { padding: 7px 0 7px 26px; position: relative; border-top: 1px solid rgba(255, 255, 255, .09); color: #dfe3e8; }
.hero__card li::before { content: "→"; position: absolute; left: 0; color: #d9ab6e; }

/* ---------- bandeau logos / chiffres ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; }
.stats div { text-align: center; }
.stats b { display: block; font-size: 1.6rem; letter-spacing: -.02em; }
.stats small { color: var(--muted); font-size: .85rem; }

/* ---------- grilles ---------- */
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.card--flag { border-top: 3px solid var(--accent); }
.card p:last-child { margin-bottom: 0; }
.card .tag { display: inline-block; font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 700; color: var(--accent); margin-bottom: 10px; }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: .95rem; }
.card li { margin-bottom: 6px; }

.step { counter-increment: step; position: relative; padding-top: 46px; }
.step::before {
  content: counter(step);
  position: absolute; top: 0; left: 0;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--ink); color: #fff;
  display: grid; place-items: center;
  font-size: .95rem; font-weight: 700;
}
.steps { counter-reset: step; }
.step small { display: block; color: var(--accent); font-weight: 650; font-size: .84rem; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: .96rem; margin: 0; }

/* ---------- offre ---------- */
.offer {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff;
}
.offer__left { padding: 36px 34px; }
.offer__right { padding: 36px 34px; background: var(--sand); border-left: 1px solid var(--line); }
.offer__price { font-size: 3.2rem; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.offer__price em { font-style: normal; font-size: 1.05rem; color: var(--muted); font-weight: 500; }
.checklist { list-style: none; margin: 20px 0; padding: 0; font-size: .97rem; }
.checklist li { padding: 9px 0 9px 28px; position: relative; border-bottom: 1px dashed var(--line); }
.checklist li:last-child { border-bottom: 0; }
.checklist li::before { content: "✓"; position: absolute; left: 0; color: var(--ok); font-weight: 700; }
.note { font-size: .86rem; color: var(--muted); }

/* ---------- table ---------- */
table { width: 100%; border-collapse: collapse; font-size: .95rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
th, td { text-align: left; padding: 13px 16px; border-bottom: 1px solid var(--line); }
th { background: var(--sand); font-weight: 650; font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }
tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; }

/* ---------- FAQ ---------- */
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; font-weight: 620; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { margin: 12px 0 0; color: var(--muted); font-size: .96rem; }

/* ---------- formulaire ---------- */
.form-shell { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: start; }
.form {
  background: #fff; color: var(--ink);
  border-radius: var(--radius); padding: 30px 28px; box-shadow: var(--shadow);
}
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .88rem; font-weight: 620; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 13px; font: inherit; font-size: .97rem;
  border: 1px solid var(--line); border-radius: 9px; background: #fdfcfa; color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.field--row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.choice { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice label {
  display: block; text-align: center; padding: 11px 6px; font-size: .88rem; font-weight: 600;
  border: 1px solid var(--line); border-radius: 9px; cursor: pointer; background: #fdfcfa; margin: 0;
}
.choice input:checked + label { border-color: var(--accent); background: #fff6ea; color: var(--accent-dark); }
.form__legal { font-size: .78rem; color: var(--muted); margin: 12px 0 0; }
.hp { position: absolute; left: -9999px; }

/* ---------- footer ---------- */
.footer { background: var(--ink-2); color: #aeb6c0; font-size: .9rem; padding: 46px 0 34px; }
.footer a { color: #dfe3e8; text-decoration: none; }
.footer a:hover { text-decoration: underline; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; margin-bottom: 26px; }
.footer h4 { color: #fff; font-size: .82rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 12px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 7px; }
.footer__bottom { border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 18px; font-size: .82rem; }

/* ---------- sticky mobile CTA ---------- */
.sticky-cta { display: none; }

/* ---------- page merci ---------- */
.centered { max-width: 640px; margin: 0 auto; text-align: center; padding: 90px 22px; }
.centered .btn { margin-top: 10px; }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; gap: 34px; padding: 44px 0; }
  .grid--3, .grid--4, .grid--2 { grid-template-columns: 1fr; }
  .offer { grid-template-columns: 1fr; }
  .offer__right { border-left: 0; border-top: 1px solid var(--line); }
  .form-shell { grid-template-columns: 1fr; gap: 28px; }
  .footer__grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 22px; }
  .nav__links a:not(.btn) { display: none; }
  .section { padding: 58px 0; }
  body { padding-bottom: 72px; }
  .sticky-cta {
    display: flex; gap: 10px; position: fixed; bottom: 0; left: 0; right: 0; z-index: 50;
    background: rgba(255, 255, 255, .96); backdrop-filter: blur(10px);
    border-top: 1px solid var(--line); padding: 10px 14px;
  }
  .sticky-cta .btn { flex: 1; text-align: center; padding: 13px 10px; }
  .choice { grid-template-columns: 1fr; }
  .field--row { grid-template-columns: 1fr; }
}

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