:root{--gold:#f5a623;--gold-d:#d8860b;--sky:#2e7dd1;--sky-d:#1f5fa8;--ink:#1e293b;--mut:#64748b;--bg:#ffffff;--soft:#f6f9fc;--line:#e6edf3;--ok:#1f9d55;--warn:#c77700}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
a{color:var(--sky-d);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .bar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:10px}
.logo{font-weight:800;font-size:20px;color:var(--ink);display:flex;align-items:center;gap:8px;white-space:nowrap}
.logo .sun{width:22px;height:22px;border-radius:50%;background:radial-gradient(circle at 50% 40%,#ffd66b,var(--gold));box-shadow:0 0 0 3px #fff3d6}
nav.main{display:flex;flex-wrap:wrap;justify-content:flex-end}
nav.main a{color:var(--ink);font-weight:600;font-size:14px;margin-left:16px}
nav.main a:hover{color:var(--sky-d);text-decoration:none}
.hero{background:linear-gradient(160deg,#fff8e9 0%,#eef6ff 100%);border-bottom:1px solid var(--line)}
.hero .wrap{padding:60px 20px}
.hero h1{font-size:42px;line-height:1.12;margin:0 0 14px;letter-spacing:-.5px}
.hero p.lead{font-size:20px;color:var(--mut);max-width:700px;margin:0 0 26px}
.btn{display:inline-block;background:var(--gold);color:#3a2600;font-weight:700;padding:13px 22px;border-radius:10px;border:none;cursor:pointer;font-size:16px}
.btn:hover{background:var(--gold-d);text-decoration:none;color:#000}
.btn.sky{background:var(--sky);color:#fff}.btn.sky:hover{background:var(--sky-d);color:#fff}
.btn.amazon{background:#ff9900;color:#1a1a1a}
section{padding:46px 0}
h2{font-size:30px;letter-spacing:-.3px;margin:0 0 16px}
h3{font-size:21px;margin:22px 0 10px}
.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.card h3{margin-top:0}
.kit .price{font-weight:800;color:var(--sky-d);font-size:18px}
.kit ul{padding-left:18px;margin:10px 0}.kit li{margin:4px 0}
.badge{display:inline-block;background:#fff3d6;color:#7a4e00;font-weight:700;font-size:12px;padding:3px 10px;border-radius:999px;letter-spacing:.3px}
.badge.g{background:#e3f6ea;color:#13643a}.badge.w{background:#fdeccf;color:#8a5300}
.soft{background:var(--soft)}
.steps .step{display:flex;gap:16px;align-items:flex-start;margin:16px 0}
.step .n{flex:0 0 40px;height:40px;border-radius:50%;background:var(--sky);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:15px}
th,td{border:1px solid var(--line);padding:10px 12px;text-align:left}th{background:var(--soft)}
.faq dt{font-weight:700;margin-top:16px}.faq dd{margin:6px 0 0;color:var(--mut)}
.note{background:#eef6ff;border:1px solid #cfe3fb;border-radius:12px;padding:16px 18px;color:#234}
.disc{background:#fffbef;border:1px solid #f3e2b3;border-radius:10px;padding:12px 16px;font-size:14px;color:#6b5a2a;margin:18px 0}
.crumbs{font-size:14px;color:var(--mut);padding:18px 0 0}
.email{display:flex;gap:10px;max-width:460px;margin-top:14px}
.email input{flex:1;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px}
.article{max-width:760px}.article p{margin:14px 0}
.calc{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px;box-shadow:0 6px 24px rgba(16,24,40,.06);max-width:680px}
.calc label{display:block;font-weight:700;margin:14px 0 6px;font-size:15px}
.calc select,.calc input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:16px}
.calc .out{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.calc .o{background:var(--soft);border-radius:12px;padding:16px;text-align:center}
.calc .o .v{font-size:26px;font-weight:800;color:var(--sky-d)}
.calc .o .l{font-size:13px;color:var(--mut)}
footer.site{background:#0f172a;color:#cbd5e1;margin-top:40px}
footer.site .wrap{padding:40px 20px}
footer.site a{color:#9ec5f0}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
footer h4{color:#fff;margin:0 0 10px;font-size:15px}
footer ul{list-style:none;padding:0;margin:0}footer li{margin:6px 0}
.fdisc{border-top:1px solid #1e293b;margin-top:24px;padding-top:16px;font-size:13px;color:#8aa0b8}
.tag{font-size:13px;color:var(--mut)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.g3,.g4,.g2,footer .cols,.calc .out{grid-template-columns:1fr}.hero h1{font-size:32px}header.site .bar{height:auto;flex-direction:column;align-items:flex-start;padding:8px 0;gap:6px}nav.main{justify-content:flex-start;gap:6px 14px}nav.main a{margin-left:0}}
@media(min-width:901px) and (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--sky);outline-offset:2px;border-radius:4px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}