:root{
  --brand:#0b5d6e;
  --brand-dark:#083f4b;
  --accent:#f0a500;
  --bg:#ffffff;
  --bg-soft:#f4f7f8;
  --text:#16282b;
  --muted:#5b6b6b;
  --line:#e2e9ea;
  --wa:#25D366;
  --wa-dark:#1ebe57;
  --radius:14px;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);background:var(--bg);line-height:1.65;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.25;color:var(--brand-dark)}
h1{font-size:clamp(28px,4vw,46px);margin-bottom:14px}
h2{font-size:clamp(22px,3vw,32px);margin:0 0 18px}
h3{font-size:20px;margin:0 0 10px}
p{margin:0 0 14px;color:var(--muted)}
.lead{font-size:18px;color:var(--muted)}
section{padding:64px 0}
.bg-soft{background:var(--bg-soft)}

/* Header */
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)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:20px;color:var(--brand-dark);letter-spacing:.5px}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:26px;list-style:none;font-size:15px;font-weight:600}
.nav-links a{color:var(--text)}
.nav-links a:hover{color:var(--brand)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;
  font-weight:700;font-size:15px;cursor:pointer;border:0;transition:.2s}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-accent{background:var(--accent);color:#1a1a1a}
.btn-accent:hover{filter:brightness(.95)}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--brand);color:#fff}
.nav .btn{padding:9px 18px;font-size:14px}

/* Hero */
.hero{background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;padding:84px 0}
.hero h1{color:#fff}
.hero .lead{color:#cfe6ea}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero .btn-accent{color:#1a1a1a}
.trustbar{display:inline-flex;align-items:center;gap:10px;margin-top:30px;padding:10px 16px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:999px;font-size:14px}
.trustbar b{color:var(--accent)}

/* Grids */
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr}.nav-links{display:none}}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.2s}
.card:hover{box-shadow:0 8px 24px rgba(8,63,75,.1);transform:translateY(-3px)}
.card h3{color:var(--brand)}
.card .ico{width:46px;height:46px;border-radius:12px;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:12px}

/* Section head */
.head{text-align:center;max-width:720px;margin:0 auto 40px}
.head .ey{color:var(--accent);font-weight:700;letter-spacing:1px;text-transform:uppercase;font-size:13px}

/* Image placeholder blocks (4-type system) */
.img-block{border-radius:var(--radius);overflow:hidden;position:relative;background:var(--bg-soft);
  border:1px solid var(--line);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;text-align:center}
.img-block .tag{position:absolute;top:10px;left:10px;background:var(--brand);color:#fff;
  font-size:11px;font-weight:700;padding:4px 10px;border-radius:999px;letter-spacing:.5px}
.img-block .ph{color:var(--muted);font-size:13px;padding:0 18px}
.img-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
@media(max-width:700px){.img-row{grid-template-columns:repeat(2,1fr)}}

/* Product list */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:800px){.prod-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.prod-grid{grid-template-columns:1fr}}
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.prod b{color:var(--brand-dark);display:block;margin-bottom:4px}

/* CTA band */
.cta-band{background:var(--brand);color:#fff;text-align:center;border-radius:var(--radius);padding:48px 24px}
.cta-band h2{color:#fff}
.cta-band .lead{color:#cfe6ea}
.cta-band .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:22px}

/* Footer */
footer.site{background:var(--brand-dark);color:#bcd6da;padding:48px 0 28px}
footer.site h3{color:#fff}
footer.site a{color:#bcd6da}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media(max-width:800px){footer .cols{grid-template-columns:1fr 1fr}}
.foot-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:32px;padding-top:18px;font-size:13px;color:#8fb3b8}
.wa-inline{display:inline-flex;align-items:center;gap:8px;background:var(--wa);color:#fff;
  padding:10px 18px;border-radius:999px;font-weight:700}
.wa-inline:hover{background:var(--wa-dark);color:#fff}

/* WhatsApp floating (desktop) + bottom bar (mobile) injected by JS */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:90;display:none;align-items:center;gap:10px;
  background:var(--wa);color:#fff;padding:13px 18px;border-radius:999px;font-weight:700;
  box-shadow:0 8px 22px rgba(37,211,102,.4);transition:.2s}
.wa-float:hover{background:var(--wa-dark);color:#fff;transform:scale(1.04)}
.wa-float svg{width:22px;height:22px;fill:#fff}
.wa-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;align-items:center;justify-content:center;gap:10px;
  background:var(--wa);color:#fff;padding:14px;font-weight:700;box-shadow:0 -4px 18px rgba(0,0,0,.15)}
.wa-bar svg{width:20px;height:20px;fill:#fff}
.wa-bar strong{font-weight:800}
@media(min-width:768px){.wa-float{display:inline-flex}}
@media(max-width:767px){.wa-bar{display:flex}body{padding-bottom:60px}}

/* Blog */
.post{max-width:760px;margin:0 auto}
.post p{font-size:17px}
.post h2{margin-top:34px}
.author-box{display:flex;gap:16px;align-items:center;background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;margin:28px 0}
.author-box .av{width:60px;height:60px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px}
.author-box small{color:var(--muted)}
.faq-item{border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.faq-item b{color:var(--brand-dark)}
.mid-cta{background:var(--bg-soft);border-left:4px solid var(--accent);padding:16px 18px;border-radius:10px;margin:26px 0;font-weight:600;color:var(--brand-dark)}
.breadcrumb{font-size:13px;color:var(--muted);margin:18px 0}
.breadcrumb a{color:var(--muted)}

/* Trust stat bar (homepage) */
.statbar{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:var(--radius);padding:22px}
.statbar .num{font-size:30px;font-weight:800;color:#fff;line-height:1.1}
.statbar .num b{color:var(--accent)}
.statbar .lbl{font-size:13px;color:#cfe6ea;margin-top:6px}
@media(max-width:700px){.statbar{grid-template-columns:repeat(2,1fr)}}

/* How we work steps */
.step{position:relative;padding-left:56px}
.step .n{position:absolute;left:18px;top:22px;width:34px;height:34px;border-radius:50%;
  background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.step h3{margin-bottom:8px}

/* Lead magnet (email capture) */
.leadmagnet{background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;border-radius:var(--radius);padding:42px 28px}
.leadmagnet h2{color:#fff}
.leadmagnet .lead{color:#cfe6ea}
.lm-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;max-width:640px}
.lm-form input{flex:1;min-width:200px;padding:14px 16px;border:0;border-radius:10px;font-size:15px}
.lm-form .btn-accent{color:#1a1a1a}
.lm-note{font-size:13px;color:#cfe6ea;margin-top:14px}