/* ===== SYNAIA — feuille de style commune ===== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root{
  --indigo:#2d1b69;
  --violet:#5b21b6;
  --violet-l:#7c3aed;
  --lav:#c4b5fd;
  --ink:#1a1333;
  --grey:#6b6480;
  --grey-l:#8f88a6;
  --line:#e8e4f2;
  --bg:#faf9fd;
  --gold:#fde08a;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Poppins',-apple-system,BlinkMacSystemFont,sans-serif;color:var(--ink);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px;margin:0 auto;padding:0 24px}
a{text-decoration:none;color:inherit}
img{max-width:100%}

/* ---------- NAV ---------- */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{font-weight:800;font-size:24px;letter-spacing:-.5px;color:var(--indigo)}
.nav-links{display:flex;gap:32px;align-items:center}
.nav-links a{font-size:15px;font-weight:500;color:var(--grey);transition:color .2s;position:relative}
.nav-links a:hover{color:var(--violet)}
.nav-links a.on{color:var(--indigo);font-weight:600}
.nav-links a.on::after{content:'';position:absolute;bottom:-6px;left:0;right:0;height:2px;background:var(--violet);border-radius:2px}
.burger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:24px;height:2px;background:var(--indigo);margin:5px 0;border-radius:2px;transition:.25s}
@media(max-width:880px){
  .burger{display:block}
  .nav-links{position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:0;max-height:0;overflow:hidden;transition:max-height .3s;border-bottom:1px solid var(--line)}
  .nav-links.open{max-height:400px}
  .nav-links a{width:100%;padding:16px 24px;border-bottom:1px solid var(--line)}
  .nav-links a.on::after{display:none}
  .nav-links .btn{margin:16px 24px;width:calc(100% - 48px);text-align:center}
}

/* ---------- BOUTONS ---------- */
.btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:600;font-size:15px;transition:transform .18s,box-shadow .18s,background .18s;border:none;cursor:pointer;font-family:inherit}
.btn-p{background:var(--violet);color:#fff;box-shadow:0 4px 16px rgba(91,33,182,.26)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(91,33,182,.34)}
.btn-o{background:#fff;color:var(--violet);border:1.5px solid var(--line)}
.btn-o:hover{border-color:var(--violet)}
.btn-w{background:#fff;color:var(--indigo)}
.btn-w:hover{transform:translateY(-2px)}
.btn-g{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.36)}
.btn-g:hover{background:rgba(255,255,255,.12)}

/* ---------- HERO ---------- */
header.hero{background:linear-gradient(150deg,#2d1b69 0%,#4c1d95 55%,#6d28d9 100%);color:#fff;padding:92px 0 104px;position:relative;overflow:hidden}
header.hero.small{padding:66px 0 72px}
header.hero::after{content:'';position:absolute;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(196,181,253,.16),transparent 70%);top:-220px;right:-160px}
.hero-in{position:relative;z-index:2;max-width:840px}
.pill{display:inline-block;padding:8px 18px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);font-size:13.5px;font-weight:500;letter-spacing:.4px;margin-bottom:24px}
h1{font-size:clamp(36px,5.2vw,60px);font-weight:800;line-height:1.1;letter-spacing:-1.6px;margin-bottom:24px}
header.hero.small h1{font-size:clamp(32px,4.4vw,48px);margin-bottom:18px}
h1 em{font-style:normal;color:var(--lav)}
.lead{font-size:clamp(17px,2vw,20.5px);font-weight:300;color:rgba(255,255,255,.9);max-width:660px;margin-bottom:36px}
header.hero.small .lead{margin-bottom:0}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- SECTIONS ---------- */
section{padding:88px 0}
section.tight{padding:62px 0}
.alt{background:var(--bg)}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--violet-l);margin-bottom:14px}
h2{font-size:clamp(28px,3.5vw,40px);font-weight:700;letter-spacing:-1px;line-height:1.18;margin-bottom:18px}
h3{font-weight:600}
.sub{font-size:17.5px;font-weight:300;color:var(--grey);max-width:620px;margin-bottom:50px}
.sub.nm{margin-bottom:0}
.center{text-align:center}
.center .sub{margin-left:auto;margin-right:auto}
p.body{font-size:16.5px;font-weight:300;color:var(--grey);margin-bottom:18px}
p.body strong{font-weight:600;color:var(--ink)}

/* ---------- CARTES GÉNÉRIQUES ---------- */
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 28px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(45,27,105,.09)}
.card h3{font-size:19px;margin-bottom:10px}
.card p{font-size:15.5px;font-weight:300;color:var(--grey)}
.ic{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--violet),var(--violet-l));display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.ic svg{width:24px;height:24px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* ---------- BLOC STAT ---------- */
.stat-box{background:linear-gradient(135deg,var(--indigo),var(--violet));border-radius:18px;padding:44px;color:#fff;text-align:center}
.stat-n{font-size:clamp(42px,6vw,64px);font-weight:800;color:var(--lav);line-height:1}
.stat-box p{font-size:18px;font-weight:300;margin-top:10px;color:rgba(255,255,255,.9)}

/* ---------- ÉTAPES ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:36px}
.step-n{font-size:54px;font-weight:800;color:var(--lav);line-height:1;margin-bottom:12px}
.step h3{font-size:19px;margin-bottom:9px}
.step p{font-size:15.5px;font-weight:300;color:var(--grey)}

/* ---------- DÉTAIL AUTOMATISATION ---------- */
.auto{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:56px 0;border-bottom:1px solid var(--line)}
.auto:last-child{border-bottom:none}
.auto.rev .auto-txt{order:2}
.auto-num{font-size:14px;font-weight:700;letter-spacing:2px;color:var(--violet-l);margin-bottom:12px}
.auto-txt h3{font-size:clamp(23px,2.6vw,30px);letter-spacing:-.6px;margin-bottom:16px}
.auto-txt p{font-size:16.5px;font-weight:300;color:var(--grey);margin-bottom:16px}
.auto-box{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:32px}
.auto-box b{display:block;font-size:13px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;color:var(--violet-l);margin-bottom:16px}
.auto-box ul{list-style:none}
.auto-box li{font-size:15.5px;font-weight:300;color:var(--grey);padding:8px 0 8px 26px;position:relative}
.auto-box li::before{content:'';position:absolute;left:0;top:15px;width:14px;height:7px;border-left:2px solid var(--violet);border-bottom:2px solid var(--violet);transform:rotate(-45deg)}
@media(max-width:840px){.auto{grid-template-columns:1fr;gap:28px}.auto.rev .auto-txt{order:0}}

/* ---------- TARIFS ---------- */
.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;align-items:stretch}
.plan{background:#fff;border:1.5px solid var(--line);border-radius:18px;padding:34px 28px;display:flex;flex-direction:column}
.plan.hi{border-color:var(--violet);box-shadow:0 16px 44px rgba(91,33,182,.13);position:relative}
.tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--violet);color:#fff;font-size:11.5px;font-weight:600;letter-spacing:1px;padding:6px 16px;border-radius:999px;white-space:nowrap}
.plan h3{font-size:21px;font-weight:700;margin-bottom:6px}
.plan .desc{font-size:14.5px;font-weight:300;color:var(--grey);margin-bottom:22px;min-height:64px}
.price{display:flex;align-items:baseline;gap:7px;margin-bottom:4px}
.price .n{font-size:40px;font-weight:800;color:var(--indigo);letter-spacing:-1px}
.price .u{font-size:15px;font-weight:400;color:var(--grey)}
.install{font-size:14.5px;font-weight:400;color:var(--grey);margin-bottom:24px}
.plan ul{list-style:none;margin-bottom:28px;flex:1}
.plan li{font-size:14.8px;font-weight:300;color:var(--grey);padding:8px 0 8px 26px;position:relative}
.plan li::before{content:'';position:absolute;left:0;top:15px;width:14px;height:7px;border-left:2px solid var(--violet);border-bottom:2px solid var(--violet);transform:rotate(-45deg)}
.plan .btn{width:100%;text-align:center}

/* ---------- TABLEAU ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:16px}
table{width:100%;border-collapse:collapse;min-width:620px;background:#fff}
th,td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
th{background:var(--bg);font-weight:600;font-size:14px;color:var(--indigo)}
td{font-weight:300;color:var(--grey)}
td:first-child{font-weight:500;color:var(--ink)}
tr:last-child td{border-bottom:none}
.yes{color:var(--violet);font-weight:700}
.no{color:#d4cfe0}

/* ---------- FAQ ---------- */
details{border-bottom:1px solid var(--line);padding:22px 0}
summary{font-size:17.5px;font-weight:500;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';font-size:26px;font-weight:300;color:var(--violet);transition:transform .2s;flex-shrink:0}
details[open] summary::after{transform:rotate(45deg)}
details p{font-size:15.5px;font-weight:300;color:var(--grey);margin-top:14px;padding-right:36px}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(135deg,var(--indigo),var(--violet));color:#fff;text-align:center}
.cta h2{color:#fff}
.cta .sub{color:rgba(255,255,255,.86)}

/* ---------- CONTACT ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:start}
@media(max-width:840px){.contact-grid{grid-template-columns:1fr;gap:36px}}
.contact-card{background:var(--bg);border:1px solid var(--line);border-radius:18px;padding:36px}
.contact-line{display:flex;align-items:center;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-line:last-child{border-bottom:none}
.contact-line .ic{width:42px;height:42px;margin-bottom:0;flex-shrink:0;border-radius:11px}
.contact-line .ic svg{width:20px;height:20px}
.contact-line b{display:block;font-size:15px;font-weight:600;margin-bottom:2px}
.contact-line span,.contact-line a{font-size:15px;font-weight:300;color:var(--grey)}
.contact-line a:hover{color:var(--violet)}

/* ---------- FOOTER ---------- */
footer{padding:52px 0 40px;border-top:1px solid var(--line);background:var(--bg)}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
@media(max-width:760px){.foot-top{grid-template-columns:1fr;gap:28px}}
.foot-top .logo{margin-bottom:12px}
.foot-top p{font-size:14.5px;font-weight:300;color:var(--grey);max-width:300px}
.foot-col b{display:block;font-size:13px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;color:var(--indigo);margin-bottom:14px}
.foot-col a{display:block;font-size:14.5px;font-weight:300;color:var(--grey);padding:5px 0}
.foot-col a:hover{color:var(--violet)}
.foot-bot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:26px;border-top:1px solid var(--line)}
.foot-bot p,.foot-bot a{font-size:13.5px;font-weight:300;color:var(--grey-l)}
.foot-bot a:hover{color:var(--violet)}