:root{
  --ink:#111418;
  --text:#2b2f36;
  --muted:#6b7280;
  --line:#e6e8ec;
  --soft:#f6f7f9;
  --accent:#15233F;
  --accent-dark:#0c1529;
  --accent-soft:#eef1f6;
  --radius:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:#fff;color:var(--text);font-family:'Inter',system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3{color:var(--ink);font-family:'Inter Tight','Inter',sans-serif;letter-spacing:-.025em;line-height:1.1;font-weight:700}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-block;padding:13px 20px;border-radius:10px;font-weight:600;font-size:16px;text-decoration:none;border:1px solid transparent;transition:background .15s,border-color .15s}
.btn.primary{background:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent-dark)}
.btn.secondary{border-color:var(--line);color:var(--ink);background:#fff}
.btn.secondary:hover{border-color:#c9cdd4}

/* header */
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:10}
header.site .wrap{display:flex;align-items:center;height:64px;gap:28px}
.logo{display:flex;align-items:center;gap:10px;font-weight:500;font-size:19px;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.logo svg{display:block}
header.site nav{display:flex;gap:26px;margin-left:auto;align-items:center;font-size:15px}
header.site nav a{text-decoration:none;color:var(--muted)}
header.site nav a:hover,header.site nav a.on{color:var(--ink)}
header.site nav .btn{padding:9px 15px;font-size:14px;color:#fff}
@media(max-width:640px){header.site nav a:not(.btn){display:none}}

/* hero */
.hero{padding:88px 0 72px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(40px,5.6vw,60px)}
.hero p{font-size:19px;color:var(--muted);margin:20px 0 30px;max-width:500px}
.hero .actions{display:flex;gap:10px;flex-wrap:wrap}
.hero small{display:block;margin-top:16px;color:var(--muted);font-size:14px}
@media(max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero{padding:56px 0}}

/* product visual */
.visual{background:var(--soft);border:1px solid var(--line);border-radius:20px;padding:36px;display:flex;justify-content:center}
.phone{width:250px;background:#fff;border:1px solid var(--line);border-radius:30px;padding:22px 18px;box-shadow:0 12px 30px rgba(17,20,24,.08)}
.phone .label{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);text-align:center}
.phone .num{font-size:44px;font-weight:700;color:var(--ink);text-align:center;letter-spacing:-.03em;margin:2px 0 14px}
.phone .ready{background:var(--accent-soft);border-radius:14px;padding:16px;text-align:center}
.phone .ready span{font-size:12px;font-weight:600;color:var(--accent)}
.phone .ready strong{display:block;font-size:38px;letter-spacing:.14em;color:var(--ink);margin:2px 0}
.phone .ready em{font-style:normal;font-size:12px;color:var(--muted)}
.phone ul{list-style:none;margin-top:14px;font-size:14px}
.phone li{display:flex;justify-content:space-between;padding:7px 0;border-top:1px solid var(--line)}

/* sections */
section{padding:80px 0;border-top:1px solid var(--line)}
section.tight{padding:64px 0}
.kicker{font-size:13px;font-weight:600;color:var(--accent);text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px}
section h2{font-size:clamp(30px,4vw,40px);max-width:640px}
section .lead{color:var(--muted);font-size:18px;max-width:600px;margin-top:12px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:44px}
.steps .n{width:32px;height:32px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700;display:grid;place-items:center;font-size:15px;margin-bottom:16px}
.steps h3{font-size:19px;margin-bottom:6px}
.steps p{color:var(--muted);font-size:16px}
@media(max-width:760px){.steps{grid-template-columns:1fr;gap:28px}}

.list2{display:grid;grid-template-columns:repeat(2,1fr);gap:36px 48px;margin-top:44px}
.list2 h3{font-size:19px;margin-bottom:6px}
.list2 p{color:var(--muted);font-size:16px}
@media(max-width:760px){.list2{grid-template-columns:1fr}}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:44px}
.stat{border-top:2px solid var(--ink);padding-top:18px}
.stat .big{font-size:40px;font-weight:700;color:var(--ink);letter-spacing:-.03em}
.stat p{margin-top:6px;font-size:16px}
.stat .src{display:block;margin-top:10px;font-size:13px;color:var(--muted)}
@media(max-width:760px){.stats{grid-template-columns:1fr}}

.pricing{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px}
.plan{border:1px solid var(--line);border-radius:16px;padding:28px}
.plan.main{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.plan .who{font-weight:600;color:var(--muted);font-size:15px}
.plan .amt{font-size:48px;font-weight:700;color:var(--ink);letter-spacing:-.03em;margin:6px 0 14px}
.plan ul{list-style:none}
.plan li{padding:8px 0 8px 26px;border-top:1px solid var(--line);position:relative;font-size:16px}
.plan li:before{content:"";position:absolute;left:2px;top:15px;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.plan p{color:var(--muted);font-size:16px}
@media(max-width:760px){.pricing{grid-template-columns:1fr}}

.faq{margin-top:36px;max-width:760px}
details{border-top:1px solid var(--line);padding:18px 0}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;font-weight:600;color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";color:var(--muted);font-weight:400;font-size:22px;line-height:1}
details[open] summary:after{content:"−"}
details p{color:var(--muted);margin-top:8px;font-size:16px}

/* about */
.about{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;margin-top:40px;align-items:start}
.about .card{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:28px}
.about .avatar{width:72px;height:72px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:24px;margin-bottom:16px}
.about .card h3{font-size:20px}
.about .card p{color:var(--muted);font-size:15px;margin-top:4px}
.about .body p{margin-bottom:18px;font-size:18px}
@media(max-width:760px){.about{grid-template-columns:1fr;gap:28px}}

/* cta band */
.cta{background:var(--soft);text-align:center}
.cta h2{margin:0 auto}
.cta .lead{margin:12px auto 26px}

footer.site{border-top:1px solid var(--line);padding:28px 0 40px;font-size:14px;color:var(--muted)}
footer.site .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer.site nav{display:flex;gap:20px}
footer.site a{text-decoration:none}
footer.site a:hover{color:var(--ink)}
.logo b{font-weight:700}
footer.site .social{display:block;margin-top:4px}
@media(max-width:640px){footer.site nav{flex-wrap:wrap;gap:14px 20px}}