:root{
  --navy:#12233a;
  --navy-2:#1b3b5f;
  --teal:#2ca6a4;
  --teal-light:#6fd1cf;
  --bg:#f6f8f9;
  --card:#ffffff;
  --text:#1f2933;
  --text-soft:#5b6875;
  --border:#e3e8eb;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(18,35,58,.18);
  --font-head:'Poppins',sans-serif;
  --font-body:'Inter',sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text);
  background:var(--bg);
  line-height:1.55;
}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--font-head);margin:0 0 .5em;color:var(--navy)}
p{margin:0 0 1em}
a{color:inherit}
ul{margin:0;padding:0;list-style:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4em;
  padding:.85em 1.6em;border-radius:999px;font-weight:600;font-size:.95rem;
  border:2px solid transparent;cursor:pointer;text-decoration:none;transition:.2s ease;
}
.btn-primary{background:var(--teal);color:#fff}
.btn-primary:hover{background:#238e8c}
.btn-outline{background:transparent;border-color:var(--navy-2);color:var(--navy-2)}
.btn-outline:hover{background:var(--navy-2);color:#fff}
.btn-sm{padding:.6em 1.2em;font-size:.85rem}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  max-width:1180px;margin:0 auto;padding:.6rem 1.5rem;
  display:flex;align-items:center;gap:1.5rem;
}
.brand{display:flex;align-items:center}
.brand-logo{height:52px;width:auto}
.main-nav{display:flex;gap:2rem;margin-left:auto}
.main-nav a{
  font-weight:500;font-size:.95rem;text-decoration:none;color:var(--navy);
  padding:.3em 0;border-bottom:2px solid transparent;
}
.main-nav a:hover{border-color:var(--teal)}
.nav-cta{margin-left:1rem;white-space:nowrap}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:38px;height:38px;border:none;background:none;cursor:pointer;margin-left:auto;
}
.nav-toggle span{display:block;height:2px;background:var(--navy);border-radius:2px}

/* Hero */
.hero{
  background:
    radial-gradient(circle at 85% 15%, rgba(44,166,164,.35), transparent 55%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, #24506f 100%);
  color:#fff;
}
.hero-inner{max-width:820px;margin:0 auto;padding:5.5rem 1.5rem 5rem;text-align:center}
.eyebrow{
  text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:600;
  color:var(--teal-light);margin-bottom:1rem;
}
.hero h1{color:#fff;font-size:2.5rem;line-height:1.15;margin-bottom:.6em}
.hero-sub{color:#cfe0e8;font-size:1.05rem;max-width:640px;margin:0 auto 2em}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.hero .btn-outline{border-color:#fff;color:#fff}
.hero .btn-outline:hover{background:#fff;color:var(--navy)}

/* Section shared */
main section{padding:5rem 1.5rem}
.section-head{max-width:640px;margin:0 auto 3rem;text-align:center}
.section-head h2{font-size:2rem}
.section-head p{color:var(--text-soft)}

/* Catalog */
.catalog{max-width:1180px;margin:0 auto}
.product-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:1.75rem;
}
.product-card{
  background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s ease;
}
.product-card:hover{transform:translateY(-4px)}
.product-media{
  position:relative;aspect-ratio:4/3;background:#fff;
  display:flex;align-items:center;justify-content:center;padding:1.2rem;
  border-bottom:1px solid var(--border);
  border-radius:var(--radius) var(--radius) 0 0;overflow:hidden;
}
.product-media img{max-height:100%;object-fit:contain}
.product-tag{
  position:absolute;top:.8rem;left:.8rem;background:var(--navy-2);color:#fff;
  font-size:.7rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  padding:.3em .7em;border-radius:999px;
}
.product-body{padding:1.3rem 1.4rem 1.5rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.product-body h3{font-size:1.1rem;margin-bottom:.1em}
.product-desc-wrap{position:relative}
.product-desc{font-size:.88rem;color:var(--text-soft);margin-bottom:.2em;cursor:help}
.product-desc-full{
  display:none;
  position:absolute;top:0;left:-1px;right:-1px;z-index:6;
  background:var(--card);border:1px solid var(--teal);border-radius:10px;
  box-shadow:var(--shadow);padding:.9rem 1rem;
  max-height:280px;overflow-y:auto;
  font-size:.78rem;line-height:1.55;color:var(--text);
  white-space:pre-line;text-align:left;
}
.product-desc-wrap:hover .product-desc-full,
.product-desc-wrap:focus .product-desc-full,
.product-desc-wrap:focus-within .product-desc-full{display:block}
.product-details{display:flex;flex-direction:column;gap:.25rem;margin-bottom:.4rem}
.product-details li{
  font-size:.78rem;color:var(--text-soft);padding-left:1.1em;position:relative;
}
.product-details li::before{
  content:"";position:absolute;left:0;top:.5em;width:5px;height:5px;
  border-radius:50%;background:var(--teal);
}
.product-footer{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:.75rem;
  padding-top:.6rem;flex-wrap:wrap;
}
.product-price{font-family:var(--font-head);font-weight:600;color:var(--navy);font-size:1.05rem}
.product-price small{font-family:var(--font-body);font-weight:400;color:var(--text-soft);font-size:.7rem;display:block}

/* About */
.about{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.about-inner{max-width:760px;margin:0 auto;text-align:center}
.about-list{
  display:grid;gap:.9rem;text-align:left;margin-top:1.5rem;
}
.about-list li{
  background:var(--bg);border:1px solid var(--border);border-radius:10px;
  padding:.9rem 1.1rem;font-size:.92rem;color:var(--text-soft);
  padding-left:2.4rem;position:relative;
}
.about-list li::before{
  content:"✓";position:absolute;left:1rem;top:.85rem;color:var(--teal);font-weight:700;
}

/* Quote form */
.quote{max-width:760px;margin:0 auto}
.quote-form{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:2.2rem;display:flex;flex-direction:column;gap:1.3rem;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field{display:flex;flex-direction:column;gap:.4rem;font-size:.88rem;font-weight:600;color:var(--navy)}
.field input,.field textarea{
  font-family:var(--font-body);font-size:.95rem;font-weight:400;color:var(--text);
  border:1px solid var(--border);border-radius:8px;padding:.7em .9em;
  background:#fbfcfc;
}
.field input:focus,.field textarea:focus{outline:2px solid var(--teal);outline-offset:1px}
.products-field{border:none;padding:0;margin:0}
.products-field legend{font-weight:600;color:var(--navy);font-size:.88rem;padding:0 0 .5rem}
.checkbox-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.5rem .8rem;
}
.checkbox-item{
  display:flex;align-items:center;gap:.5rem;font-weight:400;font-size:.88rem;color:var(--text-soft);
}
.checkbox-item input{width:16px;height:16px;accent-color:var(--teal)}
.btn-submit{align-self:flex-start}
.form-note{font-size:.78rem;color:var(--text-soft);margin:0}

/* Footer */
.site-footer{background:var(--navy);color:#cfe0e8;padding:3rem 1.5rem 1.5rem}
.footer-inner{
  max-width:1180px;margin:0 auto;display:flex;gap:2rem;align-items:center;flex-wrap:wrap;
  padding-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-logo{height:44px;filter:brightness(0) invert(1);opacity:.9}
.footer-info p{margin:.1em 0;font-size:.88rem}
.footer-info a{color:var(--teal-light);text-decoration:none}
.footer-copy{max-width:1180px;margin:1.2rem auto 0;font-size:.78rem;color:#8fa5b3;text-align:center}

@media (max-width:860px){
  .form-grid{grid-template-columns:1fr}
}

@media (max-width:760px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    gap:0;padding:.5rem 1.5rem;border-bottom:1px solid var(--border);
    display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:.8em 0;border-bottom:1px solid var(--border)}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero h1{font-size:1.9rem}
}