:root{
  --ink:#1a1c1e; --muted:#5c6470; --line:#e6e8eb; --bg:#ffffff; --soft:#f6f7f8;
  --accent:#0e5e50; --accent-dark:#0a463c; --wa:#25d366;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
.container{max-width:1140px;margin:0 auto;padding:0 20px}

/* Header */
header{position:sticky;top:0;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-size:1.35rem;font-weight:800;letter-spacing:.5px;color:var(--ink)}
.logo span{color:var(--accent)}
.nav-links{display:flex;gap:26px;align-items:center;list-style:none}
.nav-links a{color:var(--ink);font-weight:500;font-size:.95rem}
.nav-links a:hover{color:var(--accent)}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 26px;border-radius:6px;font-weight:600;transition:background .2s}
.btn:hover{background:var(--accent-dark);color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--accent);color:var(--accent)}
.btn-outline:hover{background:var(--accent);color:#fff}
.nav .btn{padding:9px 20px;font-size:.9rem}
.hamburger{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer}

/* Hero */
.hero{background:var(--soft);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:64px 0}
.hero h1{font-size:2.5rem;line-height:1.15;font-weight:800;margin-bottom:18px}
.hero h1 em{color:var(--accent);font-style:normal}
.hero p.lead{font-size:1.12rem;color:var(--muted);margin-bottom:26px;max-width:34rem}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-img{border-radius:10px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.12)}
.hero-badges{display:flex;gap:22px;margin-top:30px;flex-wrap:wrap}
.badge{font-size:.9rem;color:var(--ink);font-weight:600}
.badge b{display:block;font-size:1.3rem;color:var(--accent)}

/* Sections */
section{padding:70px 0}
.section-soft{background:var(--soft)}
h2.sec{font-size:1.9rem;font-weight:800;margin-bottom:10px}
p.sub{color:var(--muted);margin-bottom:40px;max-width:44rem}

/* Product grid */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:0 14px 34px rgba(0,0,0,.1);transform:translateY(-3px)}
.card img{aspect-ratio:3/4;object-fit:cover;width:100%}
.card .pad{padding:16px 18px}
.card h3{font-size:1.02rem;font-weight:700;color:var(--ink);margin-bottom:4px}
.card p{font-size:.86rem;color:var(--muted)}

/* Why us */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.feature{padding:26px;border:1px solid var(--line);border-radius:10px;background:#fff}
.feature .ico{font-size:1.6rem;margin-bottom:12px}
.feature h3{font-size:1.05rem;margin-bottom:8px}
.feature p{font-size:.92rem;color:var(--muted)}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:step}
.step{position:relative;padding:26px;background:#fff;border:1px solid var(--line);border-radius:10px}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-18px;left:22px;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}
.step h3{font-size:1.02rem;margin:10px 0 6px}
.step p{font-size:.9rem;color:var(--muted)}

/* Specs table */
.spec-table{width:100%;border-collapse:collapse;font-size:.95rem}
.spec-table th,.spec-table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line)}
.spec-table th{background:var(--soft);font-weight:700;white-space:nowrap}

/* FAQ */
.faq details{border:1px solid var(--line);border-radius:8px;margin-bottom:12px;background:#fff}
.faq summary{padding:16px 20px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 20px 16px;color:var(--muted);font-size:.95rem}

/* CTA band */
.cta-band{background:var(--accent);color:#fff;text-align:center;padding:56px 20px}
.cta-band h2{font-size:1.7rem;margin-bottom:10px}
.cta-band p{opacity:.85;margin-bottom:24px}
.cta-band .btn{background:#fff;color:var(--accent)}
.cta-band .btn:hover{background:#eef6f4}

/* Footer */
footer{background:#101314;color:#aab2ba;padding:50px 0 30px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:34px}
footer h4{color:#fff;font-size:1rem;margin-bottom:14px}
footer a{color:#aab2ba}
footer a:hover{color:#fff}
footer ul{list-style:none}
footer li{margin-bottom:8px}
.copy{border-top:1px solid #23282b;padding-top:20px;font-size:.85rem}

/* WhatsApp float */
.wa-float{position:fixed;right:22px;bottom:22px;width:56px;height:56px;border-radius:50%;background:var(--wa);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 22px rgba(0,0,0,.25);z-index:60}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* Breadcrumb + product page */
.crumbs{font-size:.85rem;color:var(--muted);padding:18px 0}
.page-head{padding:10px 0 40px}
.page-head h1{font-size:2.1rem;font-weight:800;margin-bottom:14px;max-width:46rem}
.page-head p{color:var(--muted);max-width:46rem}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.gallery figure{border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.gallery img{aspect-ratio:3/4;object-fit:cover;width:100%}
.gallery figcaption{padding:12px 16px;font-size:.9rem;font-weight:600}
.moq-box{display:flex;gap:34px;flex-wrap:wrap;border:1.5px solid var(--accent);background:#f2f9f7;border-radius:10px;padding:24px 30px;margin:40px 0}
.moq-box div b{display:block;font-size:1.25rem;color:var(--accent)}
.moq-box div span{font-size:.9rem;color:var(--muted)}

@media(max-width:900px){
  .grid,.feature-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .hero-grid{grid-template-columns:1fr;padding:44px 0}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;padding:24px;border-bottom:1px solid var(--line);display:none}
  .nav-links.open{display:flex}
  .hamburger{display:block}
}
@media(max-width:560px){
  .grid,.feature-grid,.steps,.gallery{grid-template-columns:1fr}
  .hero h1{font-size:1.9rem}
}