/* Knock Knock — feuille de style
   Couleur d'accent : modifier --accent pour changer le jaune partout. */
:root {
  --accent: #FFC93C;
  --ink: #141414;
  --ink-2: #3A3A3A;
  --text: #4A4A4A;
  --muted: #5A5A5A;
  --line: #ECECEC;
  --line-2: #E2E2E2;
  --soft: #F3F3F3;
  --on-dark-muted: #BDBDBD;
  --error: #C0262D;
  --display: 'Archivo', 'Arial Black', sans-serif;
  --body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #FFFFFF; color: var(--ink); font-family: var(--body); -webkit-font-smoothing: antialiased; }
img, svg { display: block; }
a { color: var(--ink); }
a:hover { color: #000; }
h1, h2, h3 { font-family: var(--display); }
[hidden] { display: none !important; }
section[id], main[id] { scroll-margin-top: 84px; }
input, select, textarea { scroll-margin-top: 120px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.wrap { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding-top: 96px; padding-bottom: 96px; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; border-radius: 999px; font-weight: 700; cursor: pointer; font: inherit; font-weight: 700; min-height: 48px; }
.btn-dark { background: var(--ink); color: #FFF; border: 0; }
.btn-dark:hover { background: #000; color: #FFF; }
.btn-outline { background: #FFF; color: var(--ink); border: 2px solid var(--ink); }
.btn-sm { padding: 12px 20px; }
.btn-lg { padding: 18px 28px; font-size: 17px; }
.btn-outline.btn-lg { padding: 16px 26px; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: #FFF; position: sticky; top: 0; z-index: 10; }
.nav { padding-top: 18px; padding-bottom: 18px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; background: var(--ink); display: flex; align-items: center; justify-content: center; gap: 4px; }
.brand-mark i { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.brand-name { font-family: var(--display); font-weight: 900; font-size: 22px; letter-spacing: -0.5px; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; font-size: 15px; font-weight: 500; }
.nav-links a:not(.btn) { text-decoration: none; }
@media (max-width: 720px) {
  .nav-links a:not(.btn) { display: none; }
  .nav { gap: 12px; }
  .brand-name { font-size: 18px; }
  .nav-links .btn-sm { padding: 10px 14px; font-size: 14px; min-height: 44px; }
}

/* Hero */
.hero { padding-top: 72px; padding-bottom: 64px; display: flex; flex-wrap: wrap; align-items: center; gap: 56px; }
.hero-text { flex: 1 1 480px; min-width: 0; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; background: var(--soft); font-size: 13px; font-weight: 700; letter-spacing: 0.5px; }
.dot-green { width: 8px; height: 8px; border-radius: 50%; background: #1F9D55; }
.hero h1 { font-weight: 900; font-size: clamp(42px, 6.4vw, 84px); line-height: 0.98; letter-spacing: -2.5px; margin: 24px 0 0; }
.hl { background: var(--accent); padding: 0 10px; border-radius: 8px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.lead { font-size: 20px; line-height: 1.55; color: var(--text); margin: 28px 0 0; max-width: 540px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }

.hero-visual { flex: 1 1 400px; min-width: 0; display: flex; justify-content: center; }
.scene { position: relative; width: 100%; max-width: 440px; height: 500px; }
.door { position: absolute; left: 50px; top: 20px; width: 240px; height: 440px; background: var(--ink); border-radius: 120px 120px 12px 12px; box-shadow: 18px 18px 0 var(--accent); }
.door-top { position: absolute; left: 28px; top: 70px; width: 184px; height: 150px; border: 2px solid var(--ink-2); border-radius: 92px 92px 8px 8px; }
.door-bottom { position: absolute; left: 28px; top: 240px; width: 184px; height: 160px; border: 2px solid var(--ink-2); border-radius: 8px; }
.door-knob { position: absolute; right: 30px; top: 232px; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); }
.bubble { position: absolute; padding: 14px 20px; }
.b1 { right: 0; top: 40px; background: #FFF; border: 2px solid var(--ink); border-radius: 20px 20px 20px 4px; font-family: var(--display); font-weight: 800; font-size: 22px; }
.b2 { left: 0; top: 150px; background: var(--soft); border-radius: 20px 20px 4px 20px; font-weight: 700; font-size: 18px; }
.b3 { right: 0; top: 245px; background: var(--accent); border: 2px solid var(--ink); border-radius: 20px 20px 20px 4px; font-family: var(--display); font-weight: 800; font-size: 20px; max-width: 260px; }
.notif { position: absolute; left: 10px; right: 10px; bottom: 0; background: #FFF; border: 1px solid var(--line-2); border-radius: 16px; padding: 16px 18px; box-shadow: 0 16px 40px rgba(0,0,0,.10); display: flex; align-items: center; gap: 14px; }
.notif-ico { width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px; background: #E8F6EE; display: flex; align-items: center; justify-content: center; }
.notif-text { display: flex; flex-direction: column; min-width: 0; font-size: 15px; }
.notif-text small { font-size: 13px; color: var(--muted); }
@media (max-width: 420px) {
  .door { left: 30px; width: 200px; }
  .door-top, .door-bottom { width: 144px; }
  .b1 { font-size: 19px; } .b3 { font-size: 17px; max-width: 220px; }
}

/* Bandeau clients */
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band-row { padding-top: 28px; padding-bottom: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 28px; }
.band-label { font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.band-item { font-family: var(--display); font-weight: 800; font-size: 15px; color: var(--ink-2); }

/* Titres de section */
.h2 { font-weight: 900; font-size: clamp(32px, 4vw, 52px); line-height: 1.05; letter-spacing: -1.5px; margin: 14px 0 48px; }
.h2-sm { font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -1px; margin: 0 0 40px; text-align: center; }
.h2-lg { font-size: clamp(34px, 4.4vw, 58px); line-height: 1.02; margin: 14px 0 20px; }
.h2-faq { font-size: clamp(30px, 3.6vw, 46px); letter-spacing: -1px; margin: 0 0 32px; }
.eyebrow { margin: 0; font-size: 13px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--muted); }
.eyebrow-accent { color: var(--accent); }

/* Problème */
.split { display: flex; flex-wrap: wrap; gap: 48px; align-items: flex-start; }
.split .h2 { flex: 1 1 420px; min-width: 0; margin: 0; }
.split-text { flex: 1 1 420px; min-width: 0; display: flex; flex-direction: column; gap: 18px; font-size: 18px; line-height: 1.6; color: var(--text); }
.split-text p { margin: 0; }

/* Sections sombres */
.dark { background: var(--ink); color: #FFF; }
.dark a:not(.btn) { color: #FFF; }

/* Services */
.cards { display: flex; flex-wrap: wrap; gap: 20px; }
.card { flex: 1 1 320px; min-width: 0; border: 1px solid var(--ink-2); border-radius: 20px; padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { font-weight: 800; font-size: 24px; margin: 8px 0 0; }
.card p { margin: 0; font-size: 16px; line-height: 1.55; color: var(--on-dark-muted); }
.num { font-family: var(--display); font-weight: 900; font-size: 14px; color: var(--accent); }
.card-feature { background: #FFF; color: var(--ink); border-color: #FFF; }
.card-feature .num { color: var(--ink); }
.card-feature p { color: var(--text); }
.card-head { display: flex; justify-content: space-between; align-items: center; }
.tag { background: var(--accent); color: var(--ink); font-size: 12px; font-weight: 700; padding: 6px 12px; border-radius: 999px; }

/* Méthode */
.steps { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 20px; }
.step { flex: 1 1 240px; min-width: 0; border-top: 4px solid var(--ink); padding-top: 20px; }
.step-num { font-family: var(--display); font-weight: 900; font-size: 56px; line-height: 1; color: #E2E2E2; }
.step h3 { font-weight: 800; font-size: 22px; margin: 12px 0 8px; }
.step p { margin: 0; font-size: 16px; line-height: 1.55; color: var(--text); }
.step-last { border-top-color: var(--accent); }
.step-last .step-num { color: var(--ink); }

/* Résultats */
.results-outer { padding: 0 24px; }
.results { max-width: 1200px; margin: 0 auto; background: var(--accent); border-radius: 28px; padding: 64px 40px; }
.stats { display: flex; flex-wrap: wrap; gap: 24px; justify-content: center; text-align: center; }
.stat { flex: 1 1 200px; min-width: 0; }
.stat-num { font-family: var(--display); font-weight: 900; font-size: 64px; line-height: 1; letter-spacing: -2px; }
.stat-label { margin-top: 10px; font-size: 16px; font-weight: 500; }

/* Témoignage */
.quote-wrap { max-width: 900px; margin: 0 auto; padding: 96px 24px; text-align: center; }
.quote { margin: 0; display: flex; flex-direction: column; align-items: center; }
.quote blockquote { font-family: var(--display); font-weight: 700; font-size: clamp(24px, 2.8vw, 34px); line-height: 1.3; letter-spacing: -0.5px; margin: 20px 0 24px; }
.quote figcaption { font-size: 16px; color: var(--muted); }

/* Contact */
.contact { display: flex; flex-wrap: wrap; gap: 56px; align-items: flex-start; }
.contact-intro { flex: 1 1 380px; min-width: 0; }
.contact-lead { margin: 0 0 28px; font-size: 18px; line-height: 1.6; color: var(--on-dark-muted); }
.checks { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; font-size: 16px; }
.checks li { display: flex; align-items: center; gap: 12px; }
.checks span { width: 24px; height: 24px; flex-shrink: 0; border-radius: 50%; background: var(--accent); color: var(--ink); font-weight: 900; font-size: 13px; display: flex; align-items: center; justify-content: center; }
.contact-box { flex: 1 1 460px; min-width: 0; }

.form, .success { background: #FFF; color: var(--ink); border-radius: 24px; padding: 32px; display: flex; flex-direction: column; gap: 18px; }
.form-note { margin: 0; font-size: 13px; color: var(--muted); }
.row { display: flex; flex-wrap: wrap; gap: 16px; }
.field { flex: 1 1 180px; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.form > .field { flex: none; }
.field label { font-size: 14px; font-weight: 700; }
.opt { font-weight: 500; color: var(--muted); }
.field input, .field select, .field textarea { font: inherit; font-size: 16px; color: var(--ink); border: 1.5px solid #CFCFCF; border-radius: 12px; padding: 14px; min-height: 48px; background: #FFF; width: 100%; }
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ink); outline: none; box-shadow: 0 0 0 3px var(--accent); }
.err { display: none; font-size: 13px; font-weight: 700; color: var(--error); }
.field.invalid input, .field.invalid select { border-color: var(--error); }
.field.invalid .err { display: block; }
.alert { margin: 0; padding: 12px 14px; border-radius: 12px; background: #FDECEC; color: #9E1C22; font-size: 14px; font-weight: 700; }
.btn-submit { padding: 18px 24px; font-family: var(--display); font-weight: 800; font-size: 18px; min-height: 56px; }
.btn-submit[disabled] { opacity: .6; cursor: wait; }
.form-legal { margin: 0; font-size: 13px; color: var(--muted); text-align: center; }
.dark .form-legal a { color: var(--ink); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.success { padding: 40px 32px; align-items: flex-start; gap: 16px; }
.success:focus { outline: none; }
.success-ico { width: 56px; height: 56px; border-radius: 16px; background: var(--accent); display: flex; align-items: center; justify-content: center; }
.success h3 { font-weight: 900; font-size: 30px; letter-spacing: -0.5px; margin: 0; }
.success p { margin: 0; font-size: 17px; line-height: 1.6; color: var(--text); }
.success .btn { padding: 14px 22px; }

/* FAQ */
.faq-wrap { max-width: 900px; margin: 0 auto; padding: 96px 24px; }
.faq-item { border-top: 1px solid var(--line-2); padding: 24px 0; }
.faq-item:last-child { border-bottom: 1px solid var(--line-2); }
.faq-item h3 { font-weight: 800; font-size: 20px; margin: 0 0 8px; }
.faq-item p { margin: 0 0 12px; font-size: 16px; line-height: 1.6; color: var(--text); }
.faq-item p:last-child { margin-bottom: 0; }
.faq-item b { color: var(--ink); }

/* Footer */
.site-footer { border-top: 1px solid var(--line); }
.footer-row { padding-top: 32px; padding-bottom: 32px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; font-size: 14px; color: var(--muted); }
.brand-name-sm { font-family: var(--display); font-weight: 900; color: var(--ink); }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }

/* Page mentions légales */
.legal { max-width: 820px; margin: 0 auto; padding: 64px 24px 96px; }
.legal h1 { font-weight: 900; font-size: clamp(34px, 4vw, 48px); letter-spacing: -1px; margin: 0 0 32px; }
.legal h2 { font-weight: 800; font-size: 22px; margin: 40px 0 12px; }
.legal p, .legal li { font-size: 16px; line-height: 1.65; color: var(--text); }
.legal .todo { background: #FFF4D6; padding: 0 4px; border-radius: 4px; }