:root{--green:#067139;--green-dark:#044824;--green-soft:#eaf6ef;--blue:#0c62a7;--red:#e21d35;--charcoal:#232526;--gray:#677078;--line:#dce3e8;--white:#fff;--shadow:0 24px 60px rgba(0,0,0,.14)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Montserrat,Arial,sans-serif;color:var(--charcoal);background:#fff}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.site-header{min-height:100vh;background:radial-gradient(circle at 80% 15%,rgba(12,98,167,.16),transparent 32%),linear-gradient(135deg,#ffffff 0%,#f3f7f5 52%,#e9f4ee 100%);position:relative;overflow:hidden}.site-header:before{content:"";position:absolute;inset:-20% -10% auto auto;width:680px;height:680px;background:linear-gradient(135deg,rgba(6,113,57,.14),rgba(12,98,167,.14));border-radius:50%;filter:blur(6px)}.navbar{height:92px;display:flex;align-items:center;justify-content:space-between;padding:0 6vw;position:relative;z-index:10;background:rgba(255,255,255,.82);backdrop-filter:blur(18px);border-bottom:1px solid rgba(0,0,0,.06)}.brand img{width:190px;height:70px;object-fit:contain}.nav-links{display:flex;gap:30px;align-items:center;font-weight:700;color:#30383c}.nav-links a{font-size:14px}.nav-cta{background:var(--green);color:white!important;padding:13px 22px;border-radius:999px;box-shadow:0 10px 22px rgba(6,113,57,.22)}.menu-toggle{display:none;background:none;border:0;font-size:30px}.hero{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;padding:72px 6vw 90px;position:relative;z-index:2}.eyebrow,.section-label{display:inline-flex;align-items:center;gap:8px;color:var(--green);font-weight:900;text-transform:uppercase;letter-spacing:.12em;font-size:12px}.hero h1{font-size:clamp(42px,5.3vw,78px);line-height:.96;margin:18px 0 22px;letter-spacing:-.055em}.hero p{font-size:19px;line-height:1.75;color:#4d575e;max-width:650px}.hero-actions{display:flex;gap:16px;margin-top:32px;flex-wrap:wrap}.btn{padding:17px 26px;border-radius:16px;font-weight:900;display:inline-flex}.btn.primary{background:var(--green);color:#fff;box-shadow:0 18px 34px rgba(6,113,57,.24)}.btn.secondary{border:2px solid var(--green);color:var(--green);background:#fff}.hero-card{background:#fff;border-radius:32px;padding:18px;box-shadow:var(--shadow);position:relative;transform:rotate(1deg)}.hero-card img{border-radius:22px;height:600px;width:100%;object-fit:cover;object-position:top}.saving-badge{position:absolute;left:-25px;bottom:40px;background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;padding:22px 24px;border-radius:22px;box-shadow:0 20px 36px rgba(0,0,0,.22)}.saving-badge strong{display:block;font-size:28px}.saving-badge span{font-size:13px;font-weight:700}.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);padding:1px;margin:0 6vw 60px;border-radius:24px;overflow:hidden;box-shadow:0 18px 50px rgba(20,30,35,.08)}.trust-strip div{background:#fff;padding:27px}.trust-strip strong{display:block;font-size:18px;color:var(--green);margin-bottom:7px}.trust-strip span{color:var(--gray);font-size:13px;line-height:1.5}.section{padding:86px 6vw}.split,.tanks{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center}.section h2{font-size:clamp(30px,3.5vw,54px);line-height:1.05;letter-spacing:-.045em;margin:14px 0 18px}.section p{color:#5e6870;line-height:1.75;font-size:16px}.image-panel{border-radius:30px;overflow:hidden;box-shadow:var(--shadow);background:#fff;padding:14px}.image-panel img{border-radius:22px;max-height:620px;width:100%;object-fit:cover;object-position:top}.section-heading{max-width:850px;margin:0 auto 46px}.center{text-align:center}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.product-card{border:1px solid var(--line);border-radius:26px;padding:28px;background:#fff;box-shadow:0 12px 34px rgba(20,30,35,.07);transition:.25s}.product-card:hover{transform:translateY(-6px)}.product-card.featured{background:linear-gradient(145deg,var(--green),var(--green-dark));color:white}.product-card.featured p{color:rgba(255,255,255,.82)}.product-card.blue{background:linear-gradient(145deg,var(--blue),#0a3968)}.product-icon{height:54px;min-width:54px;width:max-content;padding:0 14px;border-radius:16px;background:var(--red);color:#fff;display:grid;place-items:center;font-weight:900;font-size:24px;margin-bottom:22px}.product-card h3{font-size:24px;margin:0 0 12px}.product-card p{font-size:14px}.catalog-showcase{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:42px}.catalog-showcase img,.gallery-grid img{border-radius:24px;box-shadow:0 18px 46px rgba(20,30,35,.12);border:1px solid var(--line)}.tanks{background:linear-gradient(135deg,#f5faf7,#fff)}.cards-mini{display:grid;grid-template-columns:1fr 1fr;gap:18px}.cards-mini div{background:#fff;border-radius:22px;padding:28px;border-left:7px solid var(--green);box-shadow:0 12px 30px rgba(20,30,35,.08)}.cards-mini strong{display:block;color:var(--green);font-size:20px;margin-bottom:8px}.cards-mini span{color:var(--gray)}.benefits{background:linear-gradient(135deg,var(--green-dark),var(--green));color:#fff;position:relative;overflow:hidden}.benefits:before{content:"";position:absolute;right:-120px;top:-120px;width:390px;height:390px;border-radius:50%;background:rgba(255,255,255,.09)}.benefits .section-label,.benefits .light p{color:#bcebd1}.benefits h2,.benefits h3{color:#fff}.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative}.metric{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:30px;text-align:center}.metric strong{font-size:52px;display:block}.metric span{font-weight:700;color:#d9f4e5}.advantages{margin:46px auto 0;max-width:950px;background:white;color:var(--charcoal);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.advantages h3{color:var(--green);font-size:30px;margin:0 0 18px}.advantages ul{columns:2;gap:42px;margin:0;padding-left:20px}.advantages li{margin:0 0 13px;line-height:1.5}.timeline{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:980px;margin:0 auto}.timeline article{border-radius:28px;padding:34px;background:#fff;border:1px solid var(--line);box-shadow:0 12px 34px rgba(20,30,35,.08)}.timeline span{background:var(--green-soft);color:var(--green);font-weight:900;padding:9px 14px;border-radius:999px;font-size:13px}.timeline h3{font-size:28px;margin:22px 0 8px}.gallery{background:#f7f9fa}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.gallery-grid img{height:430px;width:100%;object-fit:cover;object-position:top;background:#fff}.contact-section{padding:90px 6vw;background:linear-gradient(135deg,#f7f9fa,#eaf6ef)}.contact-card{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;background:#fff;border-radius:36px;padding:48px;box-shadow:var(--shadow);border-top:8px solid var(--green)}.contact-card h2{font-size:clamp(32px,4vw,56px);line-height:1.05;margin:12px 0}.contact-info{display:grid;gap:12px}.contact-info a,.contact-info span{padding:16px 18px;border-radius:14px;background:#f4f8f6;font-weight:800;color:#263036}footer{padding:42px 6vw;text-align:center;background:#111;color:#dbe1e5}footer img{width:180px;height:70px;object-fit:contain;margin:0 auto 10px;filter:brightness(1.08)}@media(max-width:1000px){.hero,.split,.tanks,.contact-card{grid-template-columns:1fr}.product-grid,.benefit-grid,.gallery-grid,.trust-strip{grid-template-columns:1fr 1fr}.hero-card img{height:520px}.advantages ul{columns:1}}@media(max-width:720px){.navbar{height:auto;min-height:82px;padding:10px 5vw}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:82px;left:5vw;right:5vw;background:#fff;border-radius:20px;padding:22px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.brand img{width:160px}.hero{padding:44px 5vw 62px}.hero h1{font-size:42px}.hero-card img{height:420px}.saving-badge{left:16px;bottom:16px}.section{padding:60px 5vw}.product-grid,.benefit-grid,.gallery-grid,.trust-strip,.catalog-showcase,.cards-mini,.timeline{grid-template-columns:1fr}.contact-card{padding:28px}.gallery-grid img{height:auto}}

.footer-contact{
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  font-size: .95rem;
}
.footer-contact a{
  color: #374151;
  text-decoration: none;
  font-weight: 600;
}
.footer-contact a:hover{ color: #0b7a3b; }
.facebook-link{
  margin: 16px auto 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  background: #1877f2;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 10px 25px rgba(24,119,242,.22);
}
.facebook-link svg{
  width: 22px;
  height: 22px;
  fill: currentColor;
}


.whatsapp-float{
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px 14px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg,#25d366,#128c4a);
  color: #fff;
  font-weight: 900;
  letter-spacing: .01em;
  box-shadow: 0 18px 38px rgba(18,140,74,.36);
  border: 2px solid rgba(255,255,255,.7);
  overflow: visible;
}
.whatsapp-float svg{
  width: 32px;
  height: 32px;
  fill: currentColor;
  position: relative;
  z-index: 2;
}
.whatsapp-float span:not(.whatsapp-pulse){
  position: relative;
  z-index: 2;
}
.whatsapp-float:hover{
  transform: translateY(-3px);
  box-shadow: 0 22px 45px rgba(18,140,74,.45);
}
.whatsapp-pulse{
  position:absolute;
  inset:-8px;
  border-radius:999px;
  background: rgba(37,211,102,.25);
  animation: whatsappPulse 1.8s infinite;
}
@keyframes whatsappPulse{
  0%{transform:scale(.9);opacity:.75}
  70%{transform:scale(1.2);opacity:0}
  100%{transform:scale(1.2);opacity:0}
}
@media(max-width:720px){
  .whatsapp-float{right:16px;bottom:16px;padding:13px;border-radius:50%;}
  .whatsapp-float span:not(.whatsapp-pulse){display:none;}
  .whatsapp-float svg{width:34px;height:34px;}
}