:root {
  --night: #08130F; --night2: #0C1D17; --deep: #0F3A2E;
  --green: #17936F; --green2: #26B387; --mint: #3DDC97; --soft: #E2F3EC; --strong: #0F7457;
  --paper: #F6F5F1; --card: #fff; --ink: #16181D; --ink2: #474C57; --ink3: #7D8290; --line: rgba(0,0,0,.07);
  --blue: #3B6FE0; --orange: #E8762B; --violet: #7A5AF8; --cyan: #0E9FB5;
  --r: 22px; --shadow: 0 10px 30px rgba(0,0,0,.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.55 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { margin: 0; letter-spacing: -.02em; }
h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.08; font-weight: 800; }
h3 { font-size: 20px; line-height: 1.25; font-weight: 700; }
p { margin: 0; }
.wrap { width: min(1180px, 100% - 40px); margin: 0 auto; }
svg.i { width: 1em; height: 1em; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 52px; padding: 0 24px; border-radius: 999px; font-weight: 600; font-size: 16px; transition: transform .15s, box-shadow .2s, background .2s; white-space: nowrap; border: 0; cursor: pointer; font-family: inherit; }
.btn:active { transform: scale(.97); }
.btn.sm { height: 40px; padding: 0 18px; font-size: 14px; }
.btn.green { background: var(--mint); color: var(--night); box-shadow: 0 8px 30px rgba(61,220,151,.35); }
.btn.green:hover { box-shadow: 0 10px 40px rgba(61,220,151,.55); }
.btn.ghost-light { background: rgba(255,255,255,.08); color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.18); }
.btn.ghost-light:hover { background: rgba(255,255,255,.14); }

/* Navigation */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; transition: background .3s, box-shadow .3s; }
.nav.solid { background: rgba(8,19,15,.82); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); box-shadow: 0 1px 0 rgba(255,255,255,.06); }
.nav-in { display: flex; align-items: center; gap: 28px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 22px; letter-spacing: -.03em; color: #fff; }
.mark { width: 32px; height: 32px; border-radius: 10px; background: linear-gradient(135deg, var(--green2), #12805F); display: grid; place-items: center; box-shadow: 0 0 24px rgba(38,179,135,.4); }
.mark svg { width: 22px; height: 22px; stroke: #fff; stroke-width: 2.6; stroke-linecap: round; fill: none; }
.links { display: flex; gap: 26px; margin-left: 12px; }
.links a { color: rgba(255,255,255,.72); font-size: 15px; font-weight: 500; transition: color .2s; }
.links a:hover { color: #fff; }
.nav-cta { margin-left: auto; display: flex; gap: 10px; }

/* Sections sombres */
.dark { background: var(--night); color: #fff; position: relative; overflow: hidden; }
.glow { position: absolute; border-radius: 50%; filter: blur(110px); pointer-events: none; opacity: .55; }
.g1 { width: 720px; height: 720px; background: #17936F; right: -160px; top: -180px; animation: drift 18s ease-in-out infinite alternate; }
.g2 { width: 520px; height: 520px; background: #0E6B52; left: -200px; bottom: -200px; animation: drift 22s ease-in-out infinite alternate-reverse; }
.g3 { width: 900px; height: 600px; background: #0F5A44; left: 50%; top: 10%; transform: translateX(-50%); }
@keyframes drift { to { transform: translate(-80px, 60px) scale(1.08); } }
.grid-bg { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 64px 64px; mask-image: radial-gradient(circle at 70% 40%, #000, transparent 70%); -webkit-mask-image: radial-gradient(circle at 70% 40%, #000, transparent 70%); }

/* Hero */
.hero { padding: 150px 0 110px; }
.hero-in { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 999px; background: rgba(61,220,151,.1); color: var(--mint); font-weight: 600; font-size: 14px; box-shadow: inset 0 0 0 1px rgba(61,220,151,.25); }
.eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 12px var(--mint); animation: pulse 2s infinite; }
@keyframes pulse { 50% { opacity: .35; } }
h1 { font-size: clamp(46px, 7vw, 86px); line-height: .98; font-weight: 800; letter-spacing: -.045em; margin: 26px 0 24px; }
.accent { color: var(--mint); }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: #B8D8CB; max-width: 560px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 34px; }
.cta-row.center { justify-content: center; }
.proof { display: flex; gap: 34px; list-style: none; padding: 0; margin: 46px 0 0; color: #9FC9B9; font-size: 14px; flex-wrap: wrap; }
.proof b { display: block; color: #fff; font-size: 26px; letter-spacing: -.02em; }

.hero-visual { position: relative; display: flex; justify-content: center; }
.phone { width: 300px; border-radius: 48px; padding: 12px; background: #050807; box-shadow: 0 0 0 2px #2A3A34, 0 0 0 8px #0B1110, 0 40px 100px rgba(0,0,0,.6), 0 0 120px rgba(38,179,135,.22); position: relative; }
.phone img { border-radius: 37px; width: 100%; }
.phone .notch { position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 86px; height: 24px; border-radius: 14px; background: #000; z-index: 2; }
.phone.sm { width: 260px; box-shadow: 0 0 0 2px #2A3A34, 0 0 0 7px #0B1110, 0 30px 70px rgba(0,0,0,.25); }
.float { position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 16px; background: rgba(255,255,255,.96); color: var(--ink); box-shadow: 0 20px 50px rgba(0,0,0,.35); min-width: 230px; animation: bob 6s ease-in-out infinite; }
.float b { display: block; font-size: 14px; } .float small { color: var(--ink3); font-size: 12.5px; }
.float .dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot.b { background: var(--blue); } .dot.o { background: var(--orange); } .dot.v { background: var(--violet); }
.f1 { left: -30px; top: 16%; } .f2 { right: -40px; top: 44%; animation-delay: -2s; } .f3 { left: -50px; bottom: 12%; animation-delay: -4s; }
@keyframes bob { 50% { transform: translateY(-10px); } }

/* Bandeau */
.band { background: var(--night2); color: #fff; padding: 44px 0; border-top: 1px solid rgba(255,255,255,.06); }
.band-in { display: flex; justify-content: space-between; gap: 30px; align-items: center; flex-wrap: wrap; }
.band p { font-size: clamp(20px, 2.4vw, 28px); font-weight: 700; letter-spacing: -.02em; }
.band .muted { font-size: 17px; font-weight: 500; color: #9FC9B9; max-width: 440px; letter-spacing: 0; }
.strike { position: relative; color: #9FC9B9; }
.strike::after { content: ''; position: absolute; left: -2px; right: -2px; top: 55%; height: 3px; background: var(--orange); border-radius: 2px; transform: rotate(-2deg); }

/* Sections */
.sec { padding: 110px 0; }
.sec.soft { background: #EEF3EF; }
.sec-head { max-width: 760px; margin-bottom: 54px; }
.sec-head.center { margin: 0 auto 44px; text-align: center; }
.kicker { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--green); margin-bottom: 14px; }
.kicker.light { color: var(--mint); }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step { position: relative; background: var(--card); border-radius: var(--r); padding: 28px 24px; box-shadow: var(--shadow); }
.step .n { position: absolute; top: 22px; right: 24px; font-size: 44px; font-weight: 800; color: #EEF3EF; letter-spacing: -.04em; }
.ico { width: 50px; height: 50px; border-radius: 15px; display: grid; place-items: center; background: var(--soft); color: var(--green); margin-bottom: 20px; }
.ico svg { width: 24px; height: 24px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.step h3 { margin-bottom: 8px; }
.step p, .card p { color: var(--ink2); font-size: 15.5px; }

/* Niveaux */
.levels { display: inline-flex; gap: 6px; padding: 6px; border-radius: 999px; background: #fff; box-shadow: var(--shadow); margin-bottom: 34px; flex-wrap: wrap; }
.lv { border: 0; background: none; font: 600 15px Inter, sans-serif; color: var(--ink2); padding: 11px 20px; border-radius: 999px; cursor: pointer; transition: all .25s; }
.lv.on { background: var(--night); color: #fff; box-shadow: 0 6px 20px rgba(8,19,15,.25); }
.lv-panels { position: relative; }
.lv-panel { display: none; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: center; }
.lv-panel.on { display: grid; animation: fade .5s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(12px); } }
.lv-text h3 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -.02em; margin-bottom: 20px; }
.checks { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 14px; }
.checks li { position: relative; padding-left: 36px; color: var(--ink2); font-size: 16.5px; }
.checks li::before { content: ''; position: absolute; left: 0; top: 2px; width: 22px; height: 22px; border-radius: 50%; background: var(--soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2317936F' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat; }
.lv-visual { display: flex; justify-content: center; }
.browser { position: relative; border-radius: 16px; background: #fff; padding: 34px 0 0; box-shadow: 0 30px 80px rgba(8,19,15,.18); overflow: hidden; width: 100%; }
.browser > span { position: absolute; top: 13px; width: 10px; height: 10px; border-radius: 50%; background: #E3E1DB; }
.browser > span:nth-child(1) { left: 16px; } .browser > span:nth-child(2) { left: 32px; } .browser > span:nth-child(3) { left: 48px; }
.browser img { border-top: 1px solid var(--line); }

/* Vidéo */
.video-sec { padding: 110px 0 120px; }
.video { position: relative; max-width: 1000px; margin: 0 auto; border-radius: 22px; overflow: hidden; box-shadow: 0 0 0 1px rgba(255,255,255,.1), 0 40px 120px rgba(0,0,0,.6), 0 0 120px rgba(38,179,135,.2); background: #000; }
.video video { width: 100%; display: block; aspect-ratio: 16/9; }

/* Fonctions */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--card); border-radius: var(--r); padding: 28px; box-shadow: var(--shadow); transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(0,0,0,.08); }
.card h3 { margin-bottom: 8px; }
.card.wide { grid-column: span 3; display: flex; gap: 22px; align-items: flex-start; background: linear-gradient(135deg, #fff, #F2F8F5); }
.card.wide .ico { flex: none; margin: 0; }
.c1 { background: rgba(59,111,224,.1); color: var(--blue); } .c2 { background: var(--soft); color: var(--green); } .c3 { background: rgba(232,118,43,.12); color: var(--orange); }
.c4 { background: rgba(14,159,181,.1); color: var(--cyan); } .c5 { background: var(--soft); color: var(--strong); } .c6 { background: rgba(122,90,248,.1); color: var(--violet); }
.c7 { background: var(--night); color: var(--mint); } .c8 { background: #EEF3EF; color: var(--ink); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.chips span { padding: 7px 14px; border-radius: 999px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); font-size: 13.5px; font-weight: 600; }

/* Confiance */
.trust { display: grid; grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: start; }
.dark-lead { color: var(--ink2); margin-top: 18px; }
.trust-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.trust-list li { background: #fff; border-radius: 18px; padding: 18px 22px 18px 58px; position: relative; box-shadow: var(--shadow); }
.trust-list li::before { content: ''; position: absolute; left: 20px; top: 20px; width: 24px; height: 24px; border-radius: 8px; background: var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect width='14' height='10' x='5' y='11' rx='2'/%3E%3Cpath d='M8 11V8a4 4 0 0 1 8 0v3'/%3E%3C/svg%3E") center/15px no-repeat; }
.trust-list b { display: block; font-size: 16.5px; }
.trust-list span { color: var(--ink2); font-size: 15px; }

/* CTA */
.cta-sec { padding: 120px 0; text-align: center; }
.cta-in { position: relative; }
.cta-in h2 { max-width: 760px; margin: 0 auto 18px; }
.cta-in .lead { margin: 0 auto; }

.foot { background: var(--night); color: #9FC9B9; padding: 34px 0; border-top: 1px solid rgba(255,255,255,.06); font-size: 14px; }
.foot-in { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.foot .brand { font-size: 18px; } .foot .mark { width: 26px; height: 26px; border-radius: 8px; } .foot .mark svg { width: 17px; height: 17px; }
.foot nav { margin-left: auto; display: flex; gap: 22px; }
.foot nav a:hover { color: #fff; }

/* Apparitions */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } .glow, .float, .eyebrow i { animation: none; } }

/* Responsive */
@media (max-width: 1000px) {
  .links { display: none; }
  .hero { padding: 120px 0 80px; }
  .hero-in, .lv-panel.on, .trust { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 30px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .card.wide { grid-column: span 2; }
}
@media (max-width: 640px) {
  .wrap { width: calc(100% - 32px); }
  .hide-sm { display: none; }
  .steps, .cards { grid-template-columns: 1fr; }
  .card.wide { grid-column: span 1; flex-direction: column; }
  .float { min-width: 0; padding: 10px 12px; } .f1 { left: -6px; } .f2 { right: -6px; } .f3 { left: -6px; }
  .phone { width: 250px; }
  .sec { padding: 80px 0; }
  .proof { gap: 22px; }
  .foot nav { margin-left: 0; }
}