:root{
  --ink:#101728; --muted:#5b6577; --line:#e4e8f0; --bg:#fbfbfd; --panel:#ffffff;
  --navy:#0d1730; --navy2:#132352; --accent:#3b5fe0; --accent2:#6c8dff; --accent-soft:#eaf0ff;
  --vente:#8b3dff; --loc:#00a3c4; --esti:#ff8a00; --spamc:#e0393f;
  --sans:'Inter',system-ui,Arial,sans-serif; --disp:'Space Grotesk',var(--sans);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.55}
h1,h2,h3{font-family:var(--disp);margin:0;letter-spacing:-.01em}
a{color:inherit}
img,svg{display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
@media (max-width:640px){.wrap{padding:0 20px}}

header.top{position:sticky;top:0;background:rgba(251,251,253,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:20}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:700;font-size:18px;text-decoration:none}
.brand .logo{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px}
nav.links{display:flex;gap:26px;font-size:14px;font-weight:500;color:var(--muted)}
nav.links a{text-decoration:none}
nav.links a:hover,nav.links a.active{color:var(--ink)}
nav.links a.active{color:var(--accent);font-weight:600}
@media (max-width:760px){nav.links{display:none}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:11px;font-weight:600;font-size:14.5px;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;text-decoration:none}
.btn:hover{background:#2c4bc2}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.ghost:hover{background:var(--accent-soft)}

section{padding:64px 0}
.kicker{color:var(--accent);font-weight:600;font-size:13.5px;margin-bottom:10px}
h1.page-title{font-size:40px;max-width:26ch}
h2.section-title{font-size:28px;max-width:26ch}
p.section-lead{color:var(--muted);font-size:15.5px;max-width:58ch;margin-top:12px}
@media (max-width:640px){h1.page-title{font-size:30px}}

.pill{font-size:11px;font-weight:700;padding:5px 10px;border-radius:20px;text-align:center;color:#fff;display:inline-block}
.pill.vente{background:var(--vente)}.pill.loc{background:var(--loc)}.pill.esti{background:var(--esti)}.pill.spam{background:var(--spamc)}

.security{background:var(--navy);color:#dbe2f5;border-radius:22px;padding:52px 44px}
@media (max-width:640px){.security{padding:36px 24px}}
.security h2{color:#fff}
.sec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 40px;margin-top:32px}
@media (max-width:760px){.sec-grid{grid-template-columns:1fr}}
.sec-item b{color:#fff;display:block;font-size:14.5px;margin-bottom:4px}
.sec-item p{margin:0;font-size:13.5px;color:#aeb9dd}

.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px;align-items:stretch}
@media (max-width:900px){.pricing{grid-template-columns:1fr}}
.plan{border:1px solid var(--line);border-radius:16px;padding:26px;background:var(--panel);display:flex;flex-direction:column;transition:border-color .18s,box-shadow .18s}
.plan:hover{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.plan .name{font-weight:600;font-size:14px;color:var(--muted)}
.plan .price{font-family:var(--disp);font-size:34px;font-weight:700;margin:8px 0 2px}
.plan .per{color:var(--muted);font-size:12.5px}
.plan ul{list-style:none;padding:0;margin:20px 0 0;font-size:13.5px;color:var(--ink)}
.plan li{padding:7px 0;border-top:1px solid var(--line)}
.plan li:first-child{border-top:none}
.plan .btn{margin-top:auto;padding-top:20px}
.launch{margin-top:18px;border:1px solid #f3d9ad;background:#fff8ec;border-radius:12px;padding:14px 18px;font-size:13.5px;color:#8a5a00}

.faq{margin-top:28px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);font-size:14px;margin:10px 0 0;max-width:64ch}

.steps{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
@media (max-width:900px){.steps{grid-template-columns:1fr;gap:28px}}
.steps::before{content:"";position:absolute;top:19px;left:0;right:0;height:1px;background:var(--line)}
@media (max-width:900px){.steps::before{display:none}}
.step{padding:0 18px 0 0;position:relative}
.step .num{width:38px;height:38px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--disp);font-weight:700;display:grid;place-items:center;position:relative;z-index:1;margin-bottom:16px}
.step h3{font-size:16px;margin-bottom:6px}
.step p{color:var(--muted);font-size:13.5px;margin:0}

.examples{margin-top:32px;display:grid;gap:12px}
.ex{display:grid;grid-template-columns:120px 1fr auto;gap:16px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:var(--panel)}
@media (max-width:640px){.ex{grid-template-columns:1fr;gap:8px}}
.ex .msg{font-size:13.5px}.ex .msg b{font-weight:600}
.ex .result{color:#0e9f6e;font-size:12.5px;font-weight:600;white-space:nowrap}

.cta-final{text-align:center;padding:70px 0}
.cta-final h2{font-size:32px;max-width:22ch;margin:0 auto}
.cta-final p{color:var(--muted);margin:14px auto 28px;max-width:48ch}

footer.site-footer{background:var(--navy);color:#9aa5c9;margin-top:64px;padding:48px 0 0}
footer.site-footer a{color:#c7d1ea;text-decoration:none}
footer.site-footer a:hover{color:#fff}
.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.09)}
.foot-brand{display:flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:700;font-size:17px;color:#fff}
.foot-brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;color:#fff;font-size:14px}
.foot-tag{color:#7683a8;font-size:13px;margin:10px 0 0;max-width:30ch;line-height:1.6}
.foot-cols{display:flex;gap:48px;flex-wrap:wrap}
.foot-col b{display:block;color:#fff;font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;margin-bottom:14px}
.foot-col a{display:block;font-size:13.5px;margin-bottom:10px}
.foot-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:20px 0 24px;font-size:12.5px;color:#5d6890}
@media(max-width:640px){.foot-top{gap:24px}.foot-cols{gap:28px}}

.blog-list{display:grid;gap:18px;margin-top:32px}
.blog-card{border:1px solid var(--line);border-radius:14px;padding:22px 24px;background:var(--panel);text-decoration:none;display:block}
.blog-card:hover{border-color:var(--accent)}
.blog-card .meta{font-size:12px;color:var(--muted);margin-bottom:8px}
.blog-card h3{font-size:18px;margin-bottom:8px}
.blog-card p{color:var(--muted);font-size:14px;margin:0}

article.post{max-width:70ch;margin:0 auto}
article.post .meta{color:var(--muted);font-size:13px;margin-bottom:8px}
article.post h1{margin-bottom:6px}
article.post h2{font-size:22px;margin-top:36px;margin-bottom:12px}
article.post p{font-size:15.5px;color:#2a3244;margin:14px 0}
article.post ul{font-size:15.5px;color:#2a3244;padding-left:20px}
article.post li{margin:6px 0}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:32px}
@media (max-width:800px){.contact-grid{grid-template-columns:1fr}}
.contact-grid label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.contact-grid input,.contact-grid textarea{width:100%;font:inherit;padding:11px 13px;border:1px solid var(--line);border-radius:10px;margin-bottom:16px}
.contact-grid input:focus,.contact-grid textarea:focus{outline:2px solid var(--accent2);border-color:var(--accent)}
.info-box{border:1px solid var(--line);border-radius:14px;padding:22px 24px;background:var(--panel)}
.info-box b{display:block;margin-bottom:4px;font-size:14px}
.info-box p{color:var(--muted);font-size:13.5px;margin:0 0 18px}