:root {
  --ink: #0B1622;
  --ink-2: #12233A;
  --ink-3: #1B3150;
  --safran: #F5B227;
  --safran-2: #FFC94A;
  --paper: #F2F3F6;
  --blanc: #FFFFFF;
  --texte: #0B1622;
  --muted: #5C6B7A;
  --muted-dark: #A3B3C4;
  --ligne: #D5DBE3;
  --max: 1200px;
  --gutter: clamp(20px, 4vw, 56px);
  --r: 8px;
  --display: "Bricolage Grotesque", "Public Sans", system-ui, sans-serif;
  --body: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--texte);
  font-family: var(--body); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
p { margin: 0; }
h1, h2, h3 { font-family: var(--display); margin: 0; letter-spacing: -0.02em; line-height: 1.05; text-wrap: balance; }
.display { font-weight: 800; font-variation-settings: "wdth" 82, "opsz" 96; letter-spacing: -0.03em; line-height: 0.95; }
h2 { font-size: clamp(36px, 5.2vw, 68px); }
h3 { font-size: 24px; font-weight: 700; }
.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }
section { padding-block: clamp(72px, 9vw, 130px); }
.section-head { max-width: 30ch; margin-bottom: clamp(32px, 4vw, 56px); }
.section-head p { color: var(--muted); font-size: clamp(17px, 1.4vw, 20px); margin-top: 18px; max-width: 52ch; }
.on-dark .section-head p { color: var(--muted-dark); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--safran); outline-offset: 3px; }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--display); font-weight: 700; font-size: 17px; line-height: 1.1;
  padding: 16px 24px; border-radius: var(--r); text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: transform 160ms var(--ease), background-color 160ms, color 160ms, box-shadow 160ms;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--safran); color: var(--ink); border-color: var(--safran); box-shadow: 0 10px 30px -12px rgba(245, 178, 39, .7); }
.btn-primary:hover { background: var(--safran-2); border-color: var(--safran-2); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--blanc); }
.btn-ghost.light { color: var(--blanc); border-color: rgba(255, 255, 255, .5); }
.btn-ghost.light:hover { background: var(--blanc); color: var(--ink); border-color: var(--blanc); }
.btn svg { width: 20px; height: 20px; flex: none; }

/* Nav */
.nav { position: fixed; inset: 0 0 auto 0; z-index: 40; transition: background-color 200ms, box-shadow 200ms; }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 76px; }
.nav-logo img { height: 34px; width: auto; }
.nav-logo .dark-logo { display: block; }
.nav-logo .light-logo { display: none; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { text-decoration: none; font-weight: 500; font-size: 15px; color: rgba(255, 255, 255, .85); }
.nav-links a:hover { color: var(--safran); }
.nav .btn { padding: 11px 16px; font-size: 15px; }
.nav.solid { background: rgba(11, 22, 34, .92); backdrop-filter: blur(10px); box-shadow: 0 1px 0 rgba(255, 255, 255, .08); }
@media (max-width: 900px) { .nav-links { display: none; } }

/* Hero */
.hero { position: relative; background: var(--ink); color: var(--blanc); padding-block: 150px 0; overflow: hidden; isolation: isolate; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -2; opacity: .5;
  background-image: linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, #000 30%, transparent 100%);
}
.hero::after {
  content: ""; position: absolute; z-index: -1; right: -10%; top: 10%; width: 60vw; height: 60vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(245, 178, 39, .22), transparent 60%); pointer-events: none;
}
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(24px, 4vw, 64px); align-items: center; padding-bottom: clamp(48px, 6vw, 96px); }
.hero h1 { font-size: clamp(54px, 8.4vw, 124px); color: var(--blanc); }
.hero h1 em { font-style: normal; color: var(--safran); }
.hero .lead { font-size: clamp(18px, 1.5vw, 21px); color: var(--muted-dark); margin-top: 28px; max-width: 46ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 40px; padding: 0; list-style: none; font-family: var(--display); font-weight: 600; font-size: 15px; color: var(--muted-dark); }
.hero-proof li::before { content: ""; display: inline-block; width: 10px; height: 10px; background: var(--safran); border-radius: 2px; margin-right: 10px; vertical-align: 1px; }

/* Téléphones du hero */
.phones { position: relative; height: clamp(420px, 42vw, 620px); }
.phone {
  position: absolute; width: clamp(170px, 17vw, 250px); aspect-ratio: 390 / 820; border-radius: 34px; padding: 9px;
  background: #0A1017; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .08), inset 0 0 0 1px rgba(255, 255, 255, .06);
}
.phone::before { content: ""; position: absolute; top: 9px; left: 50%; transform: translateX(-50%); width: 36%; height: 18px; background: #0A1017; border-radius: 0 0 14px 14px; z-index: 2; }
.phone img { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 26px; }
.phone.p1 { left: 4%; top: 12%; transform: rotate(-7deg); z-index: 1; }
.phone.p2 { left: 50%; top: 0; transform: translateX(-50%); z-index: 3; }
.phone.p3 { right: 4%; top: 14%; transform: rotate(7deg); z-index: 2; }
@media (prefers-reduced-motion: no-preference) {
  .phone { animation: monter 900ms var(--ease) both; }
  .phone.p1 { animation-delay: 120ms; } .phone.p2 { animation-delay: 0ms; } .phone.p3 { animation-delay: 240ms; }
  @keyframes monter { from { opacity: 0; translate: 0 60px; } to { opacity: 1; translate: 0 0; } }
}
@media (max-width: 900px) {
  .hero { padding-top: 120px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .phones { height: clamp(300px, 70vw, 420px); margin-top: 12px; }
  .phone { width: clamp(120px, 30vw, 190px); }
}

/* Bande défilante */
.bande { background: var(--safran); color: var(--ink); overflow: hidden; padding-block: 14px; border-top: 3px solid var(--ink); border-bottom: 3px solid var(--ink); }
.bande-piste { display: flex; width: max-content; gap: 0; font-family: var(--display); font-weight: 800; font-size: 20px; letter-spacing: .01em; text-transform: uppercase; white-space: nowrap; }
.bande-piste span { padding-inline: 22px; }
.bande-piste span::after { content: "■"; margin-left: 44px; font-size: 12px; vertical-align: 3px; }
@media (prefers-reduced-motion: no-preference) { .bande-piste { animation: defiler 40s linear infinite; } }
@keyframes defiler { to { transform: translateX(-50%); } }

/* Offres */
.offres { background: var(--paper); }
.promo { display: inline-flex; align-items: center; gap: 10px; background: var(--ink); color: var(--safran); font-family: var(--display); font-weight: 800; font-size: 15px; padding: 8px 14px; border-radius: 6px; margin-bottom: 20px; transform: rotate(-2deg); }
.formules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: stretch; }
.formule { position: relative; background: var(--blanc); border: 2px solid var(--ink); border-radius: 14px; padding: 34px 30px 30px; display: flex; flex-direction: column; gap: 22px; }
.formule.phare { background: var(--ink); color: var(--blanc); border-color: var(--ink); box-shadow: 0 40px 80px -40px rgba(11, 22, 34, .6); }
.formule .etiquette { position: absolute; top: -16px; right: 22px; background: var(--safran); color: var(--ink); font-family: var(--display); font-weight: 800; font-size: 15px; padding: 7px 12px; border-radius: 6px; transform: rotate(3deg); box-shadow: 0 8px 20px -8px rgba(0, 0, 0, .4); }
.formule h3 { font-size: 28px; }
.formule .delai { display: inline-flex; align-items: center; gap: 8px; margin-top: 8px; font-size: 15px; color: var(--muted); }
.formule.phare .delai { color: var(--muted-dark); }
.formule .delai b { font-family: var(--display); font-weight: 800; font-size: 17px; color: inherit; }
.formule .delai b { color: var(--ink); } .formule.phare .delai b { color: var(--safran); }
.prix .ancien { font-size: 16px; color: var(--muted); text-decoration: line-through; }
.formule.phare .prix .ancien { color: var(--muted-dark); }
.prix .nouveau { font-family: var(--display); font-weight: 800; font-variation-settings: "wdth" 85; font-size: clamp(44px, 4.4vw, 62px); letter-spacing: -0.03em; line-height: 1; white-space: nowrap; }
.prix .nouveau small { font-size: 18px; font-weight: 700; letter-spacing: 0; margin-left: 4px; }
.prix .apartir { font-size: 14px; color: var(--muted); }
.formule.phare .prix .apartir { color: var(--muted-dark); }
.inclus { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 15.5px; flex: 1; }
.inclus li { padding-left: 22px; position: relative; }
.inclus li::before { content: ""; position: absolute; left: 0; top: 8px; width: 10px; height: 10px; background: var(--safran); border-radius: 2px; }
.formule .btn { width: 100%; }
.formule.phare .btn-ghost { color: var(--blanc); border-color: rgba(255, 255, 255, .45); }
.formule.phare .btn-ghost:hover { background: var(--blanc); color: var(--ink); }
.maintenance { margin-top: 20px; border: 2px solid var(--ink); border-radius: 14px; background: var(--blanc); padding: 26px 30px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr) auto; gap: 16px 36px; align-items: center; }
.maintenance h3 { font-size: 24px; }
.maintenance .delai { font-size: 15px; color: var(--muted); margin-top: 4px; display: block; }
.maintenance .inclus { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.maintenance .prix { text-align: right; }
.maintenance .prix .nouveau { font-size: 40px; }
.offres-note { margin-top: 18px; color: var(--muted); font-size: 14.5px; max-width: 72ch; }
@media (max-width: 960px) { .formules { grid-template-columns: 1fr; } .formule.phare { order: -1; } .maintenance { grid-template-columns: 1fr; } .maintenance .prix { text-align: left; } }

/* Réalisations */
.realisations { background: var(--ink); color: var(--blanc); }
.realisations h2 { color: var(--blanc); }
.projets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(40px, 5vw, 72px) 40px; }
.projet { text-decoration: none; color: inherit; display: block; }
.mock { position: relative; padding-bottom: 12%; }
.laptop { background: #0A1017; border-radius: 14px 14px 6px 6px; padding: 12px 12px 14px; box-shadow: 0 50px 100px -40px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .08); }
.laptop::after { content: ""; display: block; position: absolute; left: -3%; right: -3%; bottom: 12%; height: 12px; background: linear-gradient(#1E2B3B, #0A1017); border-radius: 0 0 12px 12px; }
.ecran { aspect-ratio: 16 / 10; overflow: hidden; border-radius: 6px; background: #142333; }
.ecran img { width: 100%; height: auto; min-height: 100%; object-fit: cover; object-position: top; transition: transform 5s linear; }
.projet:hover .ecran img { transform: translateY(calc(-1 * (100% - 100% * 10 / 16 * 10 / 10) / 1)); }
.mock .phone { width: 26%; right: -4%; bottom: -4%; top: auto; left: auto; transform: none; animation: none; border-radius: 22px; padding: 6px; }
.mock .phone::before { width: 34%; height: 12px; top: 6px; border-radius: 0 0 10px 10px; }
.mock .phone img { border-radius: 17px; }
.projet-info { display: flex; justify-content: space-between; gap: 16px; align-items: baseline; margin-top: 22px; }
.projet-info b { font-family: var(--display); font-weight: 800; font-size: 26px; letter-spacing: -0.02em; }
.projet-info span { font-size: 14.5px; color: var(--muted-dark); text-align: right; }
.projet-lien { display: inline-flex; align-items: center; gap: 8px; margin-top: 8px; font-family: var(--display); font-weight: 700; color: var(--safran); font-size: 15px; }
.projet:hover .projet-lien { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 760px) { .projets { grid-template-columns: 1fr; } }

/* Processus */
.processus { background: var(--paper); }
.etapes { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; position: relative; }
.etape { padding: 0 20px 0 0; position: relative; }
.etape:not(:last-child)::before { content: ""; position: absolute; left: 0; right: 0; top: 29px; height: 4px; background: var(--ink); }
.etape .num { width: 62px; height: 62px; background: var(--safran); border: 4px solid var(--ink); border-radius: 10px; display: grid; place-items: center; font-family: var(--display); font-weight: 800; font-size: 26px; position: relative; z-index: 1; }
.etape h3 { font-size: 20px; margin-top: 18px; }
.etape p { color: var(--muted); font-size: 15px; margin-top: 8px; max-width: 26ch; }
@media (max-width: 960px) { .etapes { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 20px; } .etape::before { display: none; } }
@media (max-width: 520px) { .etapes { grid-template-columns: 1fr; } }

/* Pourquoi */
.pourquoi { background: var(--blanc); }
.raisons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 56px; }
.raison { border-top: 4px solid var(--ink); padding-top: 20px; }
.raison h3 { font-size: clamp(24px, 2.4vw, 32px); font-weight: 800; letter-spacing: -0.02em; }
.raison p { color: var(--muted); margin-top: 12px; max-width: 42ch; }
@media (max-width: 720px) { .raisons { grid-template-columns: 1fr; } }

/* FAQ */
.faq-section { background: var(--paper); }
.faq { max-width: 780px; }
.faq details { border-top: 2px solid var(--ink); }
.faq details:last-child { border-bottom: 2px solid var(--ink); }
.faq summary { cursor: pointer; padding: 20px 0; font-family: var(--display); font-weight: 700; font-size: 20px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 400; color: var(--safran); font-size: 30px; line-height: .8; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: 20px; color: var(--muted); max-width: 66ch; }

/* Contact */
.contact { background: var(--ink); color: var(--blanc); }
.contact h2 { color: var(--blanc); }
.contact .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 5vw, 80px); align-items: start; }
.contact .intro { color: var(--muted-dark); margin-top: 18px; max-width: 44ch; font-size: 18px; }
.coordonnees { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 18px; }
.coordonnees a { text-decoration: none; font-family: var(--display); font-weight: 700; font-size: 20px; }
.coordonnees a:hover { color: var(--safran); }
.coordonnees li span { display: block; font-size: 14px; color: var(--muted-dark); margin-top: 2px; }
.form { background: var(--blanc); color: var(--texte); border-radius: 14px; padding: 30px; display: grid; gap: 16px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: 14.5px; }
.form input, .form select, .form textarea { font: inherit; padding: 13px 14px; border: 2px solid var(--ligne); border-radius: var(--r); background: var(--paper); color: var(--texte); width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--ink); outline: none; }
.form textarea { min-height: 120px; resize: vertical; }
.form .aide { font-size: 14px; color: var(--muted); }
@media (max-width: 820px) { .contact .wrap { grid-template-columns: 1fr; } }

/* Footer */
.footer { background: #070E16; color: var(--muted-dark); padding-block: 40px; font-size: 14.5px; }
.footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px 32px; align-items: center; }
.footer img { height: 30px; width: auto; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 20px; }
.footer a { color: var(--blanc); text-decoration: none; }
.footer a:hover { color: var(--safran); }

/* Barre WhatsApp mobile */
.wa-bar { display: none; }
@media (max-width: 900px) {
  .wa-bar { display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px)); background: rgba(11, 22, 34, .95); backdrop-filter: blur(8px); }
  .wa-bar .btn { width: 100%; }
  body { padding-bottom: 78px; }
}

/* Apparitions au défilement */
.reveal { opacity: 1; transform: none; }
html.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; transition: none; } .btn:hover { transform: none; } .projet:hover .ecran img { transform: none; } }