:root{--bg:#ffffff;--text:#142033;--muted:#607086;--primary:#1b4fa3;--primary-dark:#123875;--green:#1aaa56;--soft:#f4f8ff;--line:#dde7f2;--shadow:0 14px 40px rgba(18,56,117,.10);--radius:22px;}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}
.container{width:min(1160px,calc(100% - 32px));margin:0 auto}
.topbar{background:#f8fbff;border-bottom:1px solid var(--line)}
.topbar-inner,.nav-inner,.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:16px}
.topbar-inner{padding:10px 0}
.brand-small{display:flex;align-items:center;gap:12px;font-weight:700}
.brand-small img{width:52px;height:52px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px}
.top-actions{display:flex;gap:10px;flex-wrap:wrap}
.top-actions a{padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:600}
.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}
.nav-inner{min-height:76px}
.brand{display:flex;align-items:center;gap:12px;font-size:1.15rem;font-weight:800;color:var(--primary-dark)}
.brand img{width:58px;height:58px;object-fit:contain}
.menu{list-style:none;display:flex;gap:22px;margin:0;padding:0}
.menu a{font-weight:600;color:var(--muted)}
.menu-btn{display:none;border:none;background:var(--soft);padding:10px 12px;border-radius:12px;font-size:1.1rem}
.hero{padding:84px 0 72px;background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%)}
.hero-grid,.contact-box{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.tag{display:inline-block;padding:7px 12px;border-radius:999px;font-size:.82rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--primary);background:#edf4ff;border:1px solid #d8e5fb}
.hero h1{margin:18px 0 14px;font-size:clamp(2.1rem,5vw,4rem);line-height:1.05}
.hero p{color:var(--muted);font-size:1.08rem}
.hero-buttons{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 22px;border-radius:14px;font-weight:700}
.btn.primary{background:linear-gradient(135deg,var(--green),var(--primary));color:#fff;box-shadow:var(--shadow)}
.btn.secondary{background:#fff;color:var(--primary-dark);border:1px solid var(--line)}
.hero-visual{position:relative}
.hero-visual>img{width:100%;height:470px;object-fit:cover;border-radius:26px;box-shadow:var(--shadow);border:1px solid var(--line)}
.hero-logo-card{position:absolute;right:16px;bottom:16px;width:180px;background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:14px}
.hero-logo-card img{width:100%;height:100%;object-fit:contain}
.card,.contact-card,.gallery-item,.detail-card,.material-wide{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.section{padding:78px 0}
.alt{background:#f8fbff;border-top:1px solid #eef4fb;border-bottom:1px solid #eef4fb}
.section-head{margin-bottom:24px;max-width:760px}
.section-head h2{margin:14px 0 10px;font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.1}
.section-head p{margin:0;color:var(--muted)}
.grid{display:grid;gap:20px}
.cards{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{min-height:150px;padding:24px;display:flex;align-items:center;justify-content:center;text-align:center}
.card h3{margin:0;font-size:1.08rem}
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.gallery.featured{grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:20px}
.gallery-item{overflow:hidden}
.gallery-item.large img{height:380px}
.gallery-item img{width:100%;height:320px;object-fit:cover}
.material-showcase{display:grid;grid-template-columns:1fr;gap:20px;margin-bottom:30px}
.material-wide{overflow:hidden;padding:0}
.material-wide img{width:100%;height:auto;display:block}
.material-category{margin-top:28px}
.material-category h3{margin:0 0 16px;font-size:1.35rem}
.materials-detailed{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.detail-card{padding:24px}
.detail-card h4{margin:0 0 10px;font-size:1.15rem;color:var(--primary-dark)}
.detail-card p{margin:0 0 12px;color:var(--muted)}
.cta-materials{margin-top:28px;padding:24px;background:linear-gradient(135deg,#eff7ff,#f5fff8);border:1px solid var(--line);border-radius:20px;font-weight:700;color:var(--primary-dark)}
.contact-card{padding:28px}
.phone,.map-link{font-size:1.15rem;font-weight:800;color:var(--primary-dark)}
.map-note{margin-top:14px;color:var(--muted)}
.footer{background:#101c2d;color:#fff;padding:34px 0}
.footer-brand{display:flex;align-items:flex-start;gap:16px}
.footer-brand img{width:74px;height:74px;object-fit:contain;background:#fff;border-radius:16px;padding:6px}
.footer h3{margin:0 0 8px}.footer p{margin:0;color:rgba(255,255,255,.78);max-width:700px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.whatsapp-float{position:fixed;right:18px;bottom:18px;z-index:40;padding:14px 18px;border-radius:999px;background:#fff;color:var(--primary-dark);border:1px solid var(--line);font-weight:800;box-shadow:var(--shadow)}
@media (max-width:980px){.hero-grid,.contact-box,.cards,.footer-inner,.gallery,.gallery.featured,.materials-detailed{grid-template-columns:1fr}.footer-inner{display:grid}.hero-visual>img{height:360px}}
@media (max-width:760px){.menu-btn{display:block}.menu{display:none;position:absolute;left:16px;right:16px;top:78px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:14px;flex-direction:column;gap:10px}.menu.open{display:flex}.cards,.gallery,.gallery.featured,.materials-detailed{grid-template-columns:1fr}.hero-logo-card{width:140px}}