/* ============================================================
   Automatisation IA Tahiti — feuille de style v3
   Éditorial clair + scrollytelling téléphone (hero marine).
   ============================================================ */

:root{
  --paper:#faf7f1;
  --card:#ffffff;
  --sand:#f1ebdf;
  --ink:#1a2744;
  --ink-soft:#3d4a68;
  --muted:#69748e;
  --marine:#1a2744;
  --marine-deep:#131d33;
  --lagoon:#0d9488;
  --lagoon-bright:#2dd4bf;
  --line:#e3dccd;
  --line-strong:#cfc6b2;
  --display:'Clash Display',Georgia,serif;
  --body:'Satoshi',-apple-system,'Segoe UI',sans-serif;
  --maxw:1120px;
  --radius:10px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
html,body{overflow-x:clip}
body{
  font-family:var(--body);background:var(--paper);color:var(--ink);
  line-height:1.65;font-size:17px;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.08;letter-spacing:-0.015em}
a{color:inherit;text-decoration:none}
p a,li a{color:var(--lagoon);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
img{max-width:100%;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid var(--lagoon);outline-offset:3px;border-radius:4px}
::selection{background:var(--lagoon-bright);color:var(--marine)}

.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--lagoon);margin-bottom:20px;
}
.kicker::before{content:"";width:26px;height:2px;background:var(--lagoon)}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;white-space:nowrap;
  font-family:var(--display);font-weight:600;font-size:15.5px;
  padding:13px 20px;border-radius:var(--radius);border:2px solid var(--marine);
  cursor:pointer;transition:transform .15s ease,background .15s ease,color .15s ease;
}
.btn-solid{background:var(--marine);color:var(--paper)}
.btn-solid:hover{background:var(--marine-deep);transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--marine)}
.btn-line:hover{background:var(--marine);color:var(--paper);transform:translateY(-2px)}

/* ---------- Header (marine) ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:var(--marine);border-bottom:1px solid transparent;
  transition:border-color .2s ease;
}
header.scrolled{border-bottom-color:rgba(255,255,255,.14)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:16px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand .mark{width:40px;height:40px}
header .brand .name{font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:.01em;color:var(--paper)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:15.5px;font-weight:500;color:#aab4cc;position:relative}
.nav-links a:not(.nav-tel)::after{
  content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;
  background:var(--lagoon-bright);transition:width .2s ease;
}
.nav-links a:not(.nav-tel):hover{color:#fff}
.nav-links a:not(.nav-tel):hover::after{width:100%}
.nav-tel{
  font-family:var(--display);font-weight:600;color:var(--paper);
  border:2px solid var(--paper);border-radius:var(--radius);padding:9px 18px;
  transition:background .15s ease,color .15s ease;display:inline-flex;align-items:center;gap:8px;
}
.nav-tel:hover{background:var(--paper);color:var(--marine)}
.nav-tel svg{width:16px;height:16px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px;z-index:60}
.burger span{width:24px;height:2px;background:var(--paper);border-radius:2px;transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Scrollytelling (marine) ---------- */
.scrolly{background:var(--marine);color:var(--paper)}
.scrolly-track{position:relative;height:260vh}
.scrolly-stage{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center}
/* lumière : spot marine clair derrière le téléphone */
.scrolly-stage::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(640px 640px at 71% 44%,rgba(47,67,110,.8),transparent 68%);
}
/* matière : grain photographique sur toute la scène */
.scrolly-stage::after{
  content:"";position:absolute;inset:0;z-index:4;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.stage-bg{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}
.ghost{
  position:absolute;top:50%;left:54%;width:1280px;height:460px;overflow:visible;
  will-change:transform;transform:translateY(-56%);
}
.ghost text{
  font-family:var(--display);font-weight:700;font-size:420px;letter-spacing:.01em;
  fill:none;stroke:rgba(255,255,255,.07);stroke-width:2px;
}
.stage-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;width:100%}
.stage-text{display:grid;align-items:center}
.beat{grid-area:1/1;will-change:opacity,transform}
.beat-2{opacity:0}

.scrolly .kicker{color:var(--lagoon-bright)}
.scrolly .kicker::before{background:var(--lagoon-bright)}
.beat h1{font-size:clamp(42px,5.4vw,68px);margin-bottom:34px}
.beat h2{font-size:clamp(32px,4vw,52px);margin-bottom:26px}
.beat .accent{color:var(--lagoon-bright);position:relative;display:inline-block}
.beat .accent .wave{
  position:absolute;left:1%;bottom:-0.22em;width:98%;height:.18em;
  color:rgba(45,212,191,.5);pointer-events:none;
}
.beat .lead{font-size:clamp(17px,1.9vw,20px);color:#aab4cc;max-width:520px;margin-bottom:38px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.scrolly .btn-solid{background:var(--lagoon-bright);border-color:var(--lagoon-bright);color:#06231f}
.scrolly .btn-solid:hover{background:#63e2d2;border-color:#63e2d2}
.scrolly .btn-line{color:var(--paper);border-color:var(--paper)}
.scrolly .btn-line:hover{background:var(--paper);color:var(--marine)}
.hero-note{margin-top:22px;font-size:14.5px;color:#8d99b8}
.hero-note b{color:#c5cde0}
.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:#8d99b8;
  display:flex;align-items:center;gap:8px;
}
.scroll-hint::after{content:"↓"}

/* ---------- Scène téléphone + main ---------- */
.stage-phone{position:relative;height:100vh;display:flex;align-items:center;justify-content:center}
/* Vraie main photo (896×1200, dalle noire mesurée x 310-576 / y 216-781) :
   échelle ×1.1128 → dalle affichée 296×629 = dimensions exactes du téléphone CSS.
   La main passe DERRIÈRE le téléphone (z1) ; les doigts + pouce qui recouvrent
   la dalle (calque séparé) passent DEVANT (z3) : prise en main réelle. */
.hand,.fingers{
  position:absolute;left:50%;top:50%;width:997px;max-width:none;
  transform:translate(-49.44%,calc(-41.54% + 46vh));opacity:0;
  pointer-events:none;will-change:transform,opacity;
}
.hand{z-index:1}
.fingers{z-index:3}
/* ondes sonores : ça sonne tant que la main n'a pas attrapé */
.rings{position:absolute;z-index:1;left:50%;top:50%;will-change:opacity}
.rings i{
  position:absolute;left:0;top:0;width:360px;height:360px;margin:-180px 0 0 -180px;
  border:1.5px solid rgba(45,212,191,.4);border-radius:50%;opacity:0;
  animation:ring 3.8s cubic-bezier(.2,.6,.4,1) infinite;
}
.rings i:nth-child(2){animation-delay:1.25s}
.rings i:nth-child(3){animation-delay:2.5s}
@keyframes ring{0%{transform:scale(.5);opacity:0}14%{opacity:.85}100%{transform:scale(2.2);opacity:0}}
/* Téléphone : un seul plan pivoté en perspective (pas d'empilement 3D imbriqué,
   qui produisait une couture de rastérisation en cours de rotation).
   L'épaisseur est suggérée par les bordures latérales du châssis. */
.phone{position:relative;z-index:2;width:296px;height:629px}
.phone-core{
  position:absolute;inset:0;will-change:transform;
  transform:perspective(1500px) rotateZ(-14deg) rotateY(-26deg) scale(1.12);
}
.pface{position:absolute}
.pface-front{
  inset:0;background:linear-gradient(100deg,#16233c,#0a101f 22%,#0a101f 82%,#22314f);
  border-radius:44px;padding:11px;
  box-shadow:0 22px 55px -12px rgba(0,0,0,.5);
}
.pface-back,.pface-left,.pface-right,.pface-top,.pface-bottom{display:none}
/* rotation terminée : rendu 2D net (texte au pixel, zéro flou de projection) */
.phone.flat .phone-core{transform:none!important}
.phone-screen{
  position:relative;background:var(--paper);border-radius:34px;overflow:hidden;
  height:100%;color:var(--ink);
}
.phone-notch{
  position:absolute;top:0;left:50%;transform:translateX(-50%);z-index:5;
  width:104px;height:24px;background:#0a101f;border-radius:0 0 14px 14px;
}
.homebar{
  position:absolute;bottom:8px;left:50%;transform:translateX(-50%);z-index:6;
  width:108px;height:5px;border-radius:3px;background:rgba(26,39,68,.8);
}
.screen{position:absolute;inset:0;display:flex;flex-direction:column}
.screen-specs{opacity:0;visibility:hidden}

/* écran 1 : appel en cours */
.notif{
  margin:46px 12px 0;background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:10px 13px;display:flex;gap:11px;align-items:center;
  box-shadow:0 10px 24px -14px rgba(26,39,68,.3);
}
.notif .nicon{
  width:34px;height:34px;border-radius:9px;background:var(--sand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.notif .nicon svg{width:18px;height:18px;stroke:var(--lagoon)}
.notif b{display:block;font-size:13px;line-height:1.3}
.notif small{display:block;font-size:11.5px;color:var(--muted);line-height:1.35}
.call-status{margin-top:26px;text-align:center;font-size:12px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;font-weight:700}
.call-status .call-timer{font-variant-numeric:tabular-nums}
.avatar{
  width:86px;height:86px;border-radius:50%;background:var(--marine);
  margin:18px auto 14px;display:flex;align-items:center;justify-content:center;
}
.avatar svg{width:46px;height:46px}
.callee{text-align:center;font-family:var(--display);font-weight:600;font-size:27px}
.callee-sub{text-align:center;font-size:13px;color:var(--muted);margin-top:4px;padding:0 20px}
.eq{display:flex;align-items:flex-end;justify-content:center;gap:4px;height:26px;margin-top:22px}
.eq i{width:4px;border-radius:2px;background:var(--lagoon);transform-origin:bottom;animation:eq 1.3s ease-in-out infinite}
.eq i:nth-child(1){height:10px}
.eq i:nth-child(2){height:20px;animation-delay:.12s}
.eq i:nth-child(3){height:14px;animation-delay:.24s}
.eq i:nth-child(4){height:26px;animation-delay:.36s}
.eq i:nth-child(5){height:12px;animation-delay:.48s}
.eq i:nth-child(6){height:22px;animation-delay:.6s}
.eq i:nth-child(7){height:9px;animation-delay:.72s}
.eq i:nth-child(8){height:17px;animation-delay:.84s}
.eq i:nth-child(9){height:12px;animation-delay:.96s}
@keyframes eq{0%,100%{transform:scaleY(.4)}50%{transform:scaleY(1)}}
.controls{margin-top:auto;padding:22px 0 24px;display:flex;flex-direction:column;align-items:center;gap:16px}
.ctrl-row{display:flex;gap:20px}
.ctrl{
  width:52px;height:52px;border-radius:50%;background:var(--sand);color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;
}
.ctrl svg{width:22px;height:22px;stroke:var(--ink-soft)}
.ctrl-end{width:58px;height:58px;background:#e0452f}
.ctrl-end svg{stroke:#fff;transform:rotate(135deg)}
.call-caption{font-size:13.5px;color:#8d99b8;text-align:center;max-width:320px;margin:16px auto 0}

/* écran 2 : les specs de Maeva */
.specs-head{
  display:flex;align-items:center;gap:11px;padding:40px 14px 14px;
  border-bottom:1px solid var(--line);
}
.specs-head .avatar-sm{
  width:42px;height:42px;border-radius:50%;background:var(--marine);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.specs-head .avatar-sm svg{width:23px;height:23px}
.specs-head b{display:block;font-family:var(--display);font-size:17px;line-height:1.2}
.specs-head small{display:block;font-size:11.5px;color:var(--muted)}
.specs-head .badge-on{
  margin-left:auto;font-size:11px;font-weight:700;color:var(--lagoon);
  display:flex;align-items:center;gap:5px;white-space:nowrap;
}
.specs-head .badge-on::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lagoon-bright)}
.specs-list{list-style:none;padding:12px;display:flex;flex-direction:column;gap:9px}
.specs-list li{
  display:flex;gap:11px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:13px;padding:11px 13px;
}
.specs-list .sicon{
  width:34px;height:34px;border-radius:9px;background:var(--sand);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.specs-list .sicon svg{width:17px;height:17px;stroke:var(--lagoon)}
.specs-list b{display:block;font-size:13px;line-height:1.25}
.specs-list small{display:block;font-size:11.5px;color:var(--muted);line-height:1.3}
.screen-cta{
  display:block;margin:auto 12px 22px;padding:12px;text-align:center;
  background:var(--marine);color:var(--paper);border-radius:12px;
  font-family:var(--display);font-weight:600;font-size:14px;
  transition:background .15s ease;
}
.screen-cta:hover{background:var(--marine-deep)}

/* specs en liste simple (mobile / sans scrolly) */
.specs-mobile{display:none}

/* ---------- Sections ---------- */
.section{padding:110px 0}
.section-head{max-width:680px;margin-bottom:60px}
.section-head h2{font-size:clamp(30px,4vw,46px);margin-bottom:18px}
.section-head p{font-size:18px;color:var(--ink-soft)}

/* ---------- Contact ---------- */
.contact h2{font-size:clamp(34px,4.6vw,54px);margin-bottom:16px}
.contact .sub{font-size:18px;color:var(--ink-soft);max-width:560px;margin-bottom:52px}
.channels{display:flex;flex-direction:column;border-top:1px solid var(--line-strong);max-width:820px}
.channel{
  display:flex;align-items:center;gap:24px;padding:26px 8px;
  border-bottom:1px solid var(--line);transition:background .15s ease;
}
.channel:hover{background:var(--sand)}
.channel .ic{
  width:52px;height:52px;border-radius:12px;background:var(--marine);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.channel .ic svg{width:24px;height:24px;stroke:var(--paper)}
.channel .lab{flex:1}
.channel .lab small{display:block;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:2px}
.channel .lab b{font-family:var(--display);font-weight:600;font-size:clamp(18px,2.4vw,24px)}
.channel .arrow{font-size:22px;color:var(--lagoon);transition:transform .15s ease}
.channel:hover .arrow{transform:translateX(6px)}
.contact-more{margin-top:34px;font-size:15.5px;color:var(--ink-soft);max-width:640px}
.contact-sign{margin-top:18px;font-size:15.5px;color:var(--muted)}
.contact-sign b{color:var(--ink)}

/* ---------- Preuve / confiance (marine) ---------- */
.proof{background:var(--marine);color:var(--paper)}
.proof .section-head h2{color:var(--paper)}
.proof .section-head p{color:#aab4cc}
.proof .kicker{color:var(--lagoon-bright)}
.proof .kicker::before{background:var(--lagoon-bright)}
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid rgba(255,255,255,.16)}
.proof-item{padding:38px 34px 38px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.proof-item+.proof-item{padding-left:34px;border-left:1px solid rgba(255,255,255,.1)}
.proof-item .big{font-family:var(--display);font-weight:700;font-size:clamp(26px,3vw,36px);color:var(--lagoon-bright);margin-bottom:10px}
.proof-item p{font-size:15px;color:#aab4cc}
.proof-foot{margin-top:44px;font-size:16px;color:#c5cde0;max-width:720px}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;border-top:1px solid var(--line-strong)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;gap:22px;
  padding:26px 4px;cursor:pointer;list-style:none;
  font-family:var(--display);font-weight:600;font-size:clamp(17px,2.2vw,20px);line-height:1.3;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-family:var(--body);font-weight:400;font-size:28px;line-height:1;
  color:var(--lagoon);flex-shrink:0;transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--lagoon)}
.faq-a{padding:0 44px 28px 4px;color:var(--ink-soft);font-size:16px;max-width:700px}

/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line-strong);padding:44px 0;background:var(--paper)}
.foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px}
.foot .brand .name{font-family:var(--display);font-weight:600;font-size:17px}
.foot-legal{font-size:13.5px;color:var(--muted);text-align:right}
.foot-legal a{text-decoration:underline;text-underline-offset:3px}
.foot-legal a:hover{color:var(--ink)}

/* ---------- Révélation discrète ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Fallback sans scrolly (mobile / reduced motion) ---------- */
@media(max-width:960px){
  .scrolly-track{height:auto}
  .scrolly-stage{position:static;height:auto;overflow:visible;display:block;padding:130px 0 70px}
  .stage-grid{grid-template-columns:1fr;gap:52px}
  .stage-text{display:block}
  .beat{opacity:1!important;transform:none!important}
  .beat-2{margin-top:56px}
  .stage-phone{height:auto;position:relative;order:-1;margin-top:8px}
  .hand,.fingers{display:none}
  .phone{perspective:none}
  .phone-core{transform:none!important}
  .pface-back,.pface-left,.pface-right,.pface-top,.pface-bottom{display:none}
  .pface-front{transform:none}
  .screen-call{opacity:1!important}
  .screen-specs{display:none}
  .scroll-hint{display:none}
  .specs-mobile{
    display:flex;flex-direction:column;gap:14px;list-style:none;
    margin-top:8px;padding:0;
  }
  .specs-mobile li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:#c5cde0}
  .specs-mobile li::before{content:"—";color:var(--lagoon-bright);flex-shrink:0}
  .proof-grid{grid-template-columns:1fr}
  .proof-item{padding:30px 0;border-left:none}
  .proof-item+.proof-item{padding-left:0;border-left:none}
}
@media(min-width:961px){
  .beat-2 .specs-mobile{display:none}
}
@media(max-width:680px){
  .nav-links{
    position:fixed;inset:0;flex-direction:column;justify-content:center;
    background:var(--paper);transform:translateX(100%);transition:transform .3s ease;gap:34px;
  }
  .nav-links.open{transform:none}
  .nav-links a{font-size:20px;color:var(--ink-soft)}
  .nav-links a:not(.nav-tel):hover{color:var(--ink)}
  .nav-links .nav-tel{color:var(--marine);border-color:var(--marine)}
  .burger{display:flex}
  .section{padding:80px 0}
  .channel .ic{width:44px;height:44px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  /* micro-animations décoratives conservées (faible amplitude) */
  .eq i{animation:eq 1.3s ease-in-out infinite!important}
  .rings i{animation:ring 3.8s cubic-bezier(.2,.6,.4,1) infinite!important}
}