/* Guardis, feuille de style. Sans dépendance externe. */
:root {
  --navy-950: #070d1a;
  --navy-900: #0b1530;
  --navy-800: #101d3f;
  --navy-700: #1a2b57;
  --accent: #19c3a6;
  --accent-ink: #0b7a68;
  --blue: #4f8cff;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --ink: #0b1530;
  --muted: #5b6678;
  --line: #e3e8ef;
  --on-dark: #e8eefb;
  --on-dark-muted: #a9b6cc;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 1px 2px rgba(11, 21, 48, .05), 0 12px 32px rgba(11, 21, 48, .08);
  --maxw: 1160px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.contact-sec { padding-bottom: 0; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -0.022em; margin: 0; font-weight: 750; }
p { margin: 0; }

.container { width: min(var(--maxw), 100% - 40px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; color: var(--ink); padding: 10px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 12px; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 6px; }

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; font-weight: 650; font-size: 1rem;
  text-decoration: none; border: 1.5px solid transparent; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  font-family: inherit; line-height: 1.2;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: var(--navy-900); box-shadow: 0 10px 30px rgba(25, 195, 166, .28); }
.btn-primary:hover { box-shadow: 0 14px 36px rgba(25, 195, 166, .4); }
.btn-ghost { color: var(--on-dark); border-color: rgba(232, 238, 251, .28); background: rgba(255, 255, 255, .04); }
.btn-ghost:hover { border-color: rgba(232, 238, 251, .6); background: rgba(255, 255, 255, .09); }
.btn-dark { background: var(--navy-900); color: #fff; }
.btn-dark:hover { background: var(--navy-700); }
.btn-sm { padding: 10px 18px; font-size: .95rem; }
.btn svg { width: 18px; height: 18px; }

/* En-tête */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7, 13, 26, .96);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; }
.brand svg { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--on-dark-muted); text-decoration: none; font-weight: 550; font-size: .98rem; transition: color .15s; }
.nav-links a:hover { color: #fff; }
.nav-links .btn-primary, .nav-links .btn-primary:hover { color: var(--navy-900); }
.nav-toggle { display: none; background: none; border: 0; color: #fff; width: 44px; height: 44px; border-radius: 10px; cursor: pointer; }
.nav-toggle svg { width: 26px; height: 26px; margin: auto; }
.nav-toggle .i-close { display: none; }
.nav-open .nav-toggle .i-open { display: none; }
.nav-open .nav-toggle .i-close { display: block; }

/* Héros */
.hero {
  position: relative; overflow: hidden; color: var(--on-dark);
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(79, 140, 255, .28), transparent 60%),
    radial-gradient(700px 480px at 5% 110%, rgba(25, 195, 166, .22), transparent 60%),
    linear-gradient(180deg, var(--navy-950), var(--navy-900));
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 72%);
  mask-image: radial-gradient(ellipse at 60% 40%, #000 20%, transparent 72%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; padding: 96px 0 104px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; font-size: .88rem; font-weight: 650; letter-spacing: .02em;
  color: var(--accent); background: rgba(25, 195, 166, .1); border: 1px solid rgba(25, 195, 166, .28);
  padding: 7px 14px; border-radius: 999px;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 rgba(25,195,166,.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 9px rgba(25,195,166,0); } 100% { box-shadow: 0 0 0 0 rgba(25,195,166,0); } }
.hero h1 { font-size: clamp(2.4rem, 5.4vw, 4.1rem); margin: 22px 0 22px; color: #fff; }
.hero h1 em { font-style: normal; background: linear-gradient(95deg, var(--accent), var(--blue)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lead { font-size: 1.2rem; color: var(--on-dark-muted); max-width: 40ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 14px 36px; margin: 46px 0 0; padding: 26px 0 0; border-top: 1px solid rgba(255, 255, 255, .1); list-style: none; }
.hero-facts li { display: flex; flex-direction: column; }
.hero-facts strong { font-size: 1.7rem; letter-spacing: -0.02em; color: #fff; line-height: 1.2; }
.hero-facts span { font-size: .9rem; color: var(--on-dark-muted); }

.hero-art { position: relative; display: grid; place-items: center; }
.hero-art svg { width: min(440px, 100%); height: auto; filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .45)); }
.ring { transform-origin: 50% 50%; animation: spin 40s linear infinite; }
.ring.r2 { animation-duration: 64s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.sweep { transform-origin: 220px 220px; animation: spin 7s linear infinite; }

/* Sections */
section { padding: 104px 0; }
.section-head { max-width: 720px; margin-bottom: 56px; }
.kicker { font-size: .88rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-ink); }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin: 14px 0 16px; }
.section-head p { color: var(--muted); font-size: 1.15rem; }

/* Services */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px 30px 34px; box-shadow: var(--shadow);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}
.card:hover { transform: translateY(-4px); border-color: rgba(25, 195, 166, .55); box-shadow: 0 1px 2px rgba(11,21,48,.05), 0 20px 44px rgba(11,21,48,.12); }
.icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(145deg, var(--navy-800), var(--navy-700)); color: var(--accent); margin-bottom: 22px; }
.icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 1.28rem; margin-bottom: 10px; letter-spacing: -0.015em; }
.card p { color: var(--muted); font-size: 1rem; }

/* Approche */
.approach { background: var(--navy-900); color: var(--on-dark); position: relative; overflow: hidden; }
.approach::after { content: ""; position: absolute; width: 640px; height: 640px; right: -220px; top: -220px; background: radial-gradient(circle, rgba(79, 140, 255, .22), transparent 65%); pointer-events: none; }
.approach .kicker { color: var(--accent); }
.approach .section-head h2 { color: #fff; }
.approach .section-head p { color: var(--on-dark-muted); }
.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; list-style: none; padding: 0; margin: 0 0 56px; counter-reset: s; }
.steps li { position: relative; background: rgba(255, 255, 255, .045); border: 1px solid rgba(255, 255, 255, .1); border-radius: var(--radius); padding: 32px 30px; counter-increment: s; }
.steps li::before { content: "0" counter(s); font-weight: 800; font-size: .95rem; color: var(--accent); letter-spacing: .08em; }
.steps h3 { color: #fff; font-size: 1.4rem; margin: 12px 0 10px; }
.steps p { color: var(--on-dark-muted); font-size: 1rem; }
.values { position: relative; display: flex; flex-wrap: wrap; gap: 12px; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .16); background: rgba(255, 255, 255, .05); font-weight: 600; font-size: 1rem; color: #fff; }
.pill svg { width: 18px; height: 18px; color: var(--accent); flex: none; }

/* Partenaires */
.partners { padding: 72px 0; background: var(--surface); border-block: 1px solid var(--line); }
.partners-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px 48px; }
.partners h2 { font-size: 1.5rem; }
.partners p { color: var(--muted); margin-top: 6px; }
.partner-list { display: flex; flex-wrap: wrap; gap: 16px; }
.partners .tm { font-size: .8rem; margin-top: 14px; }
.partner-badge { display: inline-flex; align-items: center; gap: 18px; padding: 18px 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.partner-badge b { font-size: 1.7rem; letter-spacing: .06em; color: var(--navy-900); font-weight: 850; }
.partner-badge span { font-size: .9rem; color: var(--accent-ink); font-weight: 700; padding-left: 18px; border-left: 1px solid var(--line); line-height: 1.3; }

/* Appel à l'action */
.cta-band { padding: 0; margin: 104px 0 0; }
.cta-box {
  border-radius: 28px; padding: 64px 48px; text-align: center; color: #fff; position: relative; overflow: hidden;
  background: radial-gradient(600px 300px at 15% 0%, rgba(25,195,166,.35), transparent 60%), radial-gradient(600px 300px at 90% 100%, rgba(79,140,255,.35), transparent 60%), var(--navy-900);
}
.cta-box h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); max-width: 20ch; margin: 0 auto 14px; }
.cta-box p { color: var(--on-dark-muted); font-size: 1.15rem; max-width: 46ch; margin: 0 auto 30px; }
.cta-box .hero-cta { justify-content: center; margin-top: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.info-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.info-list li { display: flex; gap: 18px; align-items: flex-start; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 20px 22px; }
.info-list .icon { width: 44px; height: 44px; margin: 0; border-radius: 12px; flex: none; }
.info-list .icon svg { width: 22px; height: 22px; }
.info-list small { display: block; color: var(--muted); font-size: .85rem; font-weight: 600; letter-spacing: .02em; }
.info-list a, .info-list span.v { font-weight: 650; font-size: 1.1rem; text-decoration: none; word-break: break-word; }
.info-list a:hover { color: var(--accent-ink); }
.form-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.form-card h3 { font-size: 1.4rem; margin-bottom: 6px; }
.form-card > p { color: var(--muted); font-size: .98rem; margin-bottom: 22px; }
.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field label { font-weight: 650; font-size: .92rem; }
.field input, .field textarea {
  font: inherit; color: inherit; width: 100%; padding: 13px 15px; border-radius: 12px;
  border: 1.5px solid var(--line); background: var(--bg); transition: border-color .15s, box-shadow .15s, background .15s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent-ink); background: #fff; box-shadow: 0 0 0 4px rgba(25, 195, 166, .18); }
.field textarea { min-height: 130px; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: .88rem; color: var(--muted); margin-top: 14px; }

/* Pied de page */
.site-footer { background: var(--navy-950); color: var(--on-dark-muted); padding: 64px 0 40px; margin-top: 104px; }
.footer-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; padding-bottom: 36px; border-bottom: 1px solid rgba(255, 255, 255, .09); }
.footer-top p { max-width: 34ch; margin-top: 14px; font-size: .98rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 28px; list-style: none; margin: 0; padding: 0; align-self: flex-start; }
.footer-links a { text-decoration: none; font-weight: 550; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-top: 26px; font-size: .9rem; }

/* Pages légales */
.legal-hero { background: linear-gradient(180deg, var(--navy-950), var(--navy-900)); color: #fff; padding: 72px 0 60px; }
.legal-hero h1 { font-size: clamp(2rem, 4.4vw, 3rem); }
.legal-hero p { color: var(--on-dark-muted); margin-top: 10px; }
.legal { padding: 64px 0 0; }
.legal .prose { max-width: 760px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow); }
.legal h2 { font-size: 1.3rem; margin: 30px 0 10px; }
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { color: #2b364a; }
.legal ul { padding-left: 1.2em; }
.legal a { color: var(--accent-ink); font-weight: 600; }
.legal + .site-footer { margin-top: 64px; }

/* Finitions */
.kicker { display: inline-flex; align-items: center; gap: 10px; }
.kicker::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, var(--accent), var(--blue)); }
.card { position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: linear-gradient(90deg, var(--accent), var(--blue)); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.card:hover::before { transform: scaleX(1); }
.icon { box-shadow: 0 8px 20px rgba(16, 29, 63, .25), inset 0 0 0 1px rgba(25, 195, 166, .22); }
#services { background: radial-gradient(700px 360px at 100% 0%, rgba(79, 140, 255, .08), transparent 60%), radial-gradient(600px 340px at 0% 100%, rgba(25, 195, 166, .08), transparent 60%); }
.steps li::after { content: ""; position: absolute; left: 30px; bottom: 0; width: 44px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--accent), var(--blue)); }
.btn-primary { background-image: linear-gradient(100deg, #19c3a6, #2fd6b8); }
.cta-box::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5; background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px); background-size: 44px 44px; -webkit-mask-image: radial-gradient(ellipse at 50% 50%, #000 10%, transparent 70%); mask-image: radial-gradient(ellipse at 50% 50%, #000 10%, transparent 70%); }
.cta-box > * { position: relative; }
.site-footer { border-top: 1px solid rgba(25, 195, 166, .35); }
.brand svg { filter: drop-shadow(0 4px 14px rgba(25, 195, 166, .35)); }
.partner-badge { transition: transform .2s ease, box-shadow .2s ease; }
.partner-badge:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* Expertise Check Point */
.cp { position: relative; overflow: hidden; color: var(--on-dark); background: radial-gradient(800px 420px at 0% 0%, rgba(79, 140, 255, .2), transparent 60%), radial-gradient(700px 400px at 100% 100%, rgba(25, 195, 166, .16), transparent 60%), var(--navy-950); }
.cp .kicker { color: var(--accent); }
.cp-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.cp h2 { font-size: clamp(1.9rem, 3.6vw, 2.8rem); margin: 14px 0 18px; color: #fff; }
.cp-text > p { color: var(--on-dark-muted); font-size: 1.12rem; }
.ticks { list-style: none; margin: 26px 0 32px; padding: 0; display: grid; gap: 14px; }
.ticks li { display: flex; gap: 12px; align-items: flex-start; color: #fff; font-weight: 550; }
.ticks svg { width: 22px; height: 22px; flex: none; color: var(--accent); margin-top: 2px; }
.cp-stack { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.cp-stack li { display: flex; gap: 18px; align-items: flex-start; padding: 22px 24px; border-radius: var(--radius); background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .12); backdrop-filter: blur(6px); transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.cp-stack li:hover { transform: translateX(6px); border-color: rgba(25, 195, 166, .55); background: rgba(255, 255, 255, .08); }
.cp-stack .icon { width: 46px; height: 46px; margin: 0; flex: none; border-radius: 12px; background: linear-gradient(145deg, rgba(25, 195, 166, .22), rgba(79, 140, 255, .22)); }
.cp-stack .icon svg { width: 22px; height: 22px; }
.cp-stack h3 { color: #fff; font-size: 1.12rem; margin-bottom: 4px; }
.cp-stack p { color: var(--on-dark-muted); font-size: .96rem; line-height: 1.5; }

/* Apparition au défilement */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

/* Adaptation tablette et mobile */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; padding: 72px 0 80px; gap: 36px; }
  .hero-art { order: -1; }
  .hero-art svg { width: min(300px, 70%); }
  .grid-3, .steps { grid-template-columns: 1fr 1fr; }
  .contact-grid, .cp-grid { grid-template-columns: 1fr; }
  section { padding: 80px 0; }
  .cta-band { margin-top: 80px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-grid; }
  .nav-links {
    position: absolute; left: 0; right: 0; top: 72px; flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(7, 13, 26, .98); border-bottom: 1px solid rgba(255, 255, 255, .08);
    padding: 8px 20px 20px; display: none;
  }
  .nav-open .nav-links { display: flex; }
  .nav-links li a { display: block; padding: 15px 4px; border-bottom: 1px solid rgba(255,255,255,.07); font-size: 1.05rem; }
  .nav-links li:last-child a { border: 0; margin-top: 14px; text-align: center; }
  .nav-links li:last-child .btn { color: var(--navy-900); }
}
@media (max-width: 600px) {
  body { font-size: 1rem; }
  .grid-3, .steps, .row2 { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; }
  .hero-inner { padding: 48px 0 60px; }
  .hero-cta .btn { width: 100%; }
  .hero-facts { gap: 18px 28px; }
  .cta-box { padding: 44px 24px; border-radius: 22px; }
  .cp-stack li { padding: 18px; }
  .cp-text .btn { width: 100%; }
  .form-card { padding: 24px 20px; }
  .partners-row { flex-direction: column; align-items: flex-start; }
  .legal .prose { padding: 26px 22px; }
  .site-footer { margin-top: 72px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}