:root{--bg:#f6f7fb;--card:#fff;--ink:#101828;--mut:#667085;--line:#e4e7ec;--brand:#4f46e5;--brand2:#7c3aed;--ok:#12b76a;--warn:#f79009;--bad:#f04438;--r:14px}
*{box-sizing:border-box;margin:0}
body{font:15px/1.55 -apple-system,BlinkMacSystemFont,'Segoe UI',Inter,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand);text-decoration:none}
.btn{display:inline-block;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border:0;border-radius:10px;padding:10px 18px;font-weight:600;font-size:14px;cursor:pointer;transition:.15s}
.btn:hover{opacity:.9}.btn.sec{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.danger{background:var(--bad)}.btn:disabled{opacity:.5;cursor:not-allowed}
input,textarea,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
input:focus,textarea:focus,select:focus{outline:2px solid #c7d2fe;border-color:var(--brand)}
label{font-size:13px;font-weight:600;color:var(--mut);display:block;margin:14px 0 6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.err{color:var(--bad);font-size:14px;margin-top:10px;min-height:20px}
.muted{color:var(--mut);font-size:13px}
/* layout app */
.shell{display:flex;min-height:100vh}
.side{width:230px;background:#0f1222;color:#cbd0dc;padding:22px 14px;display:flex;flex-direction:column;gap:4px;flex-shrink:0}
.side .logo{font-size:19px;font-weight:800;color:#fff;margin-bottom:20px;padding:0 10px}
.side .logo span{color:#8b8ff8}
.side a{display:block;padding:9px 12px;border-radius:9px;color:#cbd0dc;font-size:14px}
.side a:hover{background:#1c2038;color:#fff}.side a.on{background:var(--brand);color:#fff}
.side .foot{margin-top:auto;font-size:12px;color:#6b7194;padding:0 10px}
main{flex:1;padding:34px 40px;max-width:1180px}
h1{font-size:24px;margin-bottom:4px}
.sub{color:var(--mut);margin-bottom:26px}
.grid{display:grid;gap:16px}.g4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.g2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.kpi .n{font-size:30px;font-weight:800}.kpi .l{color:var(--mut);font-size:13px;margin-top:2px}
table{width:100%;border-collapse:collapse;font-size:14px}
th{color:var(--mut);text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;padding:10px 12px;border-bottom:1px solid var(--line)}
td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
.pill{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:700}
.p-ok{background:#e7f8ef;color:#087443}.p-warn{background:#fef3e2;color:#a15c07}.p-bad{background:#fee6e4;color:#b42318}.p-mut{background:#eef1f5;color:#475467}
.score{font-weight:800}
.drop{border:2px dashed var(--line);border-radius:var(--r);padding:34px;text-align:center;color:var(--mut);cursor:pointer;background:#fff}
.drop.on{border-color:var(--brand);background:#f4f4ff}
pre.mail{white-space:pre-wrap;background:#f9fafb;border:1px solid var(--line);border-radius:10px;padding:16px;font:13px/1.6 ui-monospace,Menlo,monospace}
.toast{position:fixed;bottom:24px;right:24px;background:#101828;color:#fff;padding:12px 18px;border-radius:10px;font-size:14px;opacity:0;transition:.3s;pointer-events:none;z-index:99}
.toast.show{opacity:1}
/* landing + auth */
.hero{max-width:900px;margin:0 auto;padding:90px 24px;text-align:center}
.hero h1{font-size:44px;line-height:1.15;margin-bottom:18px}
.hero h1 span{background:linear-gradient(135deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:18px;color:var(--mut);margin-bottom:30px}
.authbox{max-width:420px;margin:70px auto;padding:0 20px}
.topnav{display:flex;justify-content:space-between;align-items:center;padding:18px 34px;background:#fff;border-bottom:1px solid var(--line)}
.topnav .logo{font-weight:800;font-size:18px}.topnav .logo span{color:var(--brand)}
.feat{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;max-width:1000px;margin:0 auto 80px;padding:0 24px;text-align:left}
.feat .card h3{font-size:16px;margin-bottom:6px}
@media(max-width:800px){.shell{flex-direction:column}.side{width:100%;flex-direction:row;flex-wrap:wrap;align-items:center}.side .foot{display:none}main{padding:20px}}
.langfab{position:fixed;bottom:16px;left:16px;z-index:98;width:auto;padding:7px 12px;border-radius:99px;font-size:13px;background:#fff;border:1px solid var(--line);box-shadow:0 2px 10px rgba(16,24,40,.08);cursor:pointer}
/* ── Landing animée ─────────────────────────────────────── */
.glass{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:rgba(255,255,255,.72)}
.hero2{position:relative;overflow:hidden;padding:90px 24px 70px}
.blobs i{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;animation:drift 16s ease-in-out infinite}
.blobs i:nth-child(1){width:480px;height:480px;background:#c7d2fe;top:-140px;left:-100px}
.blobs i:nth-child(2){width:420px;height:420px;background:#e9d5ff;top:40px;right:-120px;animation-delay:-5s}
.blobs i:nth-child(3){width:340px;height:340px;background:#bae6fd;bottom:-160px;left:38%;animation-delay:-10s}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(40px,-30px) scale(1.08)}66%{transform:translate(-30px,25px) scale(.95)}}
.hero-grid{position:relative;max-width:1120px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.badge{display:inline-block;background:#eef2ff;border:1px solid #c7d2fe;color:#4338ca;font-size:13px;font-weight:600;padding:6px 14px;border-radius:99px;margin-bottom:18px;animation:pop .6s ease both}
.hero2 h1{font-size:52px;line-height:1.08;letter-spacing:-.02em;margin-bottom:20px}
@media(max-width:640px){.hero2 h1{font-size:36px}}
.grad{background:linear-gradient(90deg,#4f46e5,#a855f7,#0ea5e9,#4f46e5);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:gradmove 7s linear infinite}
@keyframes gradmove{to{background-position:300% 0}}
.hero2 p.lead{font-size:19px;color:var(--mut);max-width:520px;margin-bottom:28px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 14px;font-size:13px;font-weight:600;color:#475467;box-shadow:0 1px 4px rgba(16,24,40,.05)}
.btn.big{font-size:16px;padding:14px 28px;box-shadow:0 8px 24px rgba(79,70,229,.35);transition:.2s}
.btn.big:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(79,70,229,.45)}
/* mockup produit */
.mock{position:relative;animation:rise .9s ease both .2s}
.mockcard{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 24px 60px rgba(16,24,40,.14);padding:20px;transform:rotate(1.5deg);transition:.4s}
.mock:hover .mockcard{transform:rotate(0) scale(1.02)}
.dots{display:flex;gap:6px;margin-bottom:14px}.dots i{width:10px;height:10px;border-radius:50%;background:#e4e7ec}.dots i:first-child{background:#f87171}.dots i:nth-child(2){background:#fbbf24}.dots i:nth-child(3){background:#34d399}
.mrow{display:flex;align-items:center;gap:12px;padding:10px 6px;border-bottom:1px solid #f2f4f7}
.mrow:last-child{border:0}
.avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:13px;flex-shrink:0}
.bar{flex:1;height:8px;background:#f2f4f7;border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#4f46e5,#a855f7);width:0;transition:width 1.2s cubic-bezier(.2,.8,.2,1)}
.vis .bar i{width:var(--w)}
.msc{font-weight:800;width:34px;text-align:right}
.floaty{position:absolute;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 34px rgba(16,24,40,.14);padding:12px 16px;font-size:13px;font-weight:700;animation:float 5s ease-in-out infinite}
.f1{top:-24px;right:-14px}.f2{bottom:-20px;left:-18px;animation-delay:-2.5s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes rise{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes pop{from{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}
/* sections */
.sect{max-width:1120px;margin:0 auto;padding:70px 24px}
.sect h2{font-size:32px;text-align:center;letter-spacing:-.01em}
.sect .ssub{text-align:center;color:var(--mut);margin:10px 0 40px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;transition:.25s}
.step:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(16,24,40,.10)}
.step .ico{font-size:30px;margin-bottom:12px}
.step h3{margin-bottom:8px;font-size:17px}
.feat .card{transition:.25s}.feat .card:hover{transform:translateY(-6px);box-shadow:0 16px 36px rgba(16,24,40,.10)}
.prices{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;align-items:stretch}
.price{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;display:flex;flex-direction:column;transition:.25s}
.price:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(16,24,40,.12)}
.price.pop{border:2px solid var(--brand);box-shadow:0 18px 44px rgba(79,70,229,.18)}
.pop-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,var(--brand),var(--brand2));color:#fff;font-size:12px;font-weight:700;padding:4px 14px;border-radius:99px}
.price .amt{font-size:40px;font-weight:800;margin:12px 0 2px}
.price .amt small{font-size:15px;color:var(--mut);font-weight:600}
.price ul{list-style:none;margin:18px 0 24px;color:var(--mut);font-size:14px}
.price li{padding:5px 0}
.price .btn{margin-top:auto}
.ctaband{background:linear-gradient(120deg,#4f46e5,#7c3aed,#0ea5e9);background-size:200% 100%;animation:gradmove 9s linear infinite;border-radius:24px;color:#fff;text-align:center;padding:60px 30px;max-width:1120px;margin:0 auto 70px}
.ctaband h2{font-size:34px;margin-bottom:10px}
.ctaband p{opacity:.9;margin-bottom:26px}
.ctaband .btn{background:#fff;color:#4338ca}
footer{border-top:1px solid var(--line);padding:30px 24px;text-align:center;color:var(--mut);font-size:13px}
/* reveal on scroll */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.vis{opacity:1;transform:none}