*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;color:#333;line-height:1.6;background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(0,0,0,.85);backdrop-filter:blur(8px);padding:0 24px}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}
.nav-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:1.3rem;letter-spacing:1px}
.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:rgba(255,255,255,.85);font-size:.95rem;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:#4fc3f7}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer}
.nav-links .dropdown{position:relative}
.nav-links .dropdown-menu{display:none;position:absolute;top:100%;left:0;background:#222;border-radius:6px;padding:8px 0;min-width:180px;box-shadow:0 8px 24px rgba(0,0,0,.3);z-index:200}
.nav-links .dropdown:hover .dropdown-menu{display:block}
.dropdown-menu a{display:block;padding:8px 20px;font-size:.9rem;white-space:nowrap}
.dropdown-menu a:hover{background:rgba(255,255,255,.1)}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(135deg,#1a237e 0%,#0d47a1 50%,#01579b 100%);color:#fff;padding:80px 24px 60px;overflow:hidden}
.hero-sm{min-height:50vh}
.hero::before{content:'';position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect fill="rgba(255,255,255,0.03)" width="50" height="50"/></svg>') repeat;opacity:.5}
.hero-content{position:relative;z-index:1;max-width:800px}
.hero h1{font-size:clamp(2.5rem,6vw,4.5rem);font-weight:800;letter-spacing:4px;margin-bottom:12px;text-shadow:0 2px 20px rgba(0,0,0,.3)}
.hero-sm h1{font-size:clamp(2rem,4vw,3rem)}
.hero .subtitle{font-size:clamp(1rem,2.5vw,1.5rem);font-weight:300;letter-spacing:2px;margin-bottom:24px;opacity:.9}
.hero .address{font-size:1rem;opacity:.75;margin-bottom:32px}
.hero-contacts{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.hero-contacts a{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:12px 24px;border-radius:50px;font-size:.95rem;transition:all .3s}
.hero-contacts a:hover{background:rgba(255,255,255,.25);transform:translateY(-2px)}
.wa-icon{width:20px;height:20px;fill:#25d366}

/* BREADCRUMB */
.breadcrumb{max-width:1200px;margin:0 auto;padding:16px 24px;font-size:.85rem;color:#888}
.breadcrumb a{color:#1a237e;font-weight:500}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb span{margin:0 8px}

/* ABOUT */
.about{padding:80px 24px;background:#f8f9fa}
.about-inner{max-width:900px;margin:0 auto;text-align:center}
.about h2{font-size:2rem;color:#1a237e;margin-bottom:8px}
.about .about-sub{font-size:1.1rem;color:#555;font-weight:500;letter-spacing:1px;margin-bottom:32px}
.about p{font-size:1.05rem;color:#555;max-width:700px;margin:0 auto 16px}
.about .location{font-weight:600;color:#333;margin-top:16px}

/* CONTENT */
.content{max-width:1000px;margin:0 auto;padding:60px 24px}
.content h2{font-size:1.8rem;color:#1a237e;margin-bottom:24px}
.content h2::after{content:'';display:block;width:60px;height:3px;background:#4fc3f7;margin:12px 0 0;border-radius:2px}
.content h3{font-size:1.3rem;color:#1a237e;margin:32px 0 16px}
.content p{font-size:1.05rem;color:#555;margin-bottom:16px;line-height:1.8}
.content ul,.content ol{margin:16px 0 16px 24px;color:#555}
.content li{margin-bottom:8px;line-height:1.7}

/* TWO COLUMN CONTENT */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;max-width:1200px;margin:0 auto;padding:60px 24px}
.two-col img{border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.1)}

/* SECTION TITLES */
.section-title{text-align:center;padding:60px 24px 40px;background:#fff}
.section-title h2{font-size:1.8rem;color:#1a237e;letter-spacing:1px}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:#4fc3f7;margin:12px auto 0;border-radius:2px}
.section-title.bg-gray{background:#f8f9fa}

/* PRODUCT GRID */
.products-grid{max-width:1200px;margin:0 auto;padding:0 24px 60px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{position:relative;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.1);transition:transform .3s,box-shadow .3s;background:#fff}
.product-card:hover{transform:translateY(-6px);box-shadow:0 12px 32px rgba(0,0,0,.15)}
.product-card img{width:100%;height:220px;object-fit:cover}
.product-card .card-body{padding:20px;text-align:center}
.product-card h3{font-size:1.1rem;color:#1a237e;margin-bottom:12px}
.product-card .btn{display:inline-block;padding:8px 24px;background:#1a237e;color:#fff;border-radius:50px;font-size:.85rem;font-weight:600;letter-spacing:.5px;transition:background .3s}
.product-card .btn:hover{background:#0d47a1}

/* ALUMINUM SECTION */
.aluminum{background:#f8f9fa;padding:0 24px 80px}
.aluminum-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.alu-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:transform .3s}
.alu-card:hover{transform:translateY(-4px)}
.alu-card img{width:100%;height:260px;object-fit:cover}
.alu-card .alu-body{padding:24px}
.alu-card h3{font-size:1.25rem;color:#1a237e;margin-bottom:12px}
.alu-card p{font-size:.95rem;color:#555;line-height:1.7}

/* FEATURE GRID */
.feature-grid{max-width:1200px;margin:0 auto;padding:40px 24px 80px;display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.feature-card{text-align:center;padding:40px 24px;background:#fff;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.06);transition:transform .3s}
.feature-card:hover{transform:translateY(-4px)}
.feature-card .icon-circle{width:72px;height:72px;background:#e8eaf6;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.feature-card .icon-circle svg{width:32px;height:32px;fill:#1a237e}
.feature-card h3{font-size:1.1rem;color:#1a237e;margin-bottom:12px}
.feature-card p{font-size:.9rem;color:#666;line-height:1.6}

/* GALLERY */
.gallery{max-width:1200px;margin:0 auto;padding:0 24px 60px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gallery img{width:100%;height:250px;object-fit:cover;border-radius:8px;transition:transform .3s}
.gallery img:hover{transform:scale(1.03)}

/* CTA BANNER */
.cta-banner{background:#1a237e;color:#fff;text-align:center;padding:48px 24px}
.cta-banner h2{font-size:1.5rem;margin-bottom:16px}
.cta-banner .btn-cta{display:inline-block;padding:14px 40px;background:#4fc3f7;color:#1a237e;border-radius:50px;font-weight:700;font-size:1rem;transition:all .3s}
.cta-banner .btn-cta:hover{background:#81d4fa;transform:translateY(-2px)}

/* CONTACT */
.contact{padding:80px 24px;background:#fff}
.contact-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info h2{font-size:2rem;color:#1a237e;margin-bottom:32px}
.contact-info h2::after{content:'';display:block;width:60px;height:3px;background:#4fc3f7;margin:12px 0 0;border-radius:2px}
.contact-detail{display:flex;align-items:flex-start;gap:16px;margin-bottom:24px}
.contact-detail .icon{width:44px;height:44px;background:#e8eaf6;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-detail .icon svg{width:22px;height:22px;fill:#1a237e}
.contact-detail h4{font-size:.85rem;color:#999;text-transform:uppercase;letter-spacing:1px;margin-bottom:4px}
.contact-detail p,.contact-detail a{font-size:1rem;color:#333}
.contact-detail a:hover{color:#1a237e}
.contact-map{border-radius:12px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.1);height:100%;min-height:400px}
.contact-map iframe{width:100%;height:100%;min-height:400px;border:0}

/* FOOTER */
.footer{background:#111;color:rgba(255,255,255,.6);padding:48px 24px 32px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer p{font-size:.9rem;line-height:1.7;margin-bottom:8px}
.footer ul{list-style:none}
.footer li{margin-bottom:8px}
.footer a{color:rgba(255,255,255,.6);font-size:.9rem;transition:color .2s}
.footer a:hover{color:#4fc3f7}
.footer-bottom{max-width:1200px;margin:24px auto 0;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);text-align:center;font-size:.85rem}

/* CONTAINER */
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* SECTION */
.section{padding:60px 24px}
.section-alt{background:#f8f9fa}

/* HERO SUBTITLE (agent variant) */
.hero-subtitle{font-size:clamp(1rem,2.5vw,1.5rem);font-weight:300;letter-spacing:2px;margin-bottom:24px;opacity:.9}

/* BTN PRIMARY */
.btn-primary{display:inline-block;padding:10px 28px;background:#1a237e;color:#fff;border-radius:50px;font-size:.9rem;font-weight:600;transition:background .3s}
.btn-primary:hover{background:#0d47a1}

/* TWO-COL VARIANTS */
.two-col-image{border-radius:12px;overflow:hidden}
.two-col-image img{width:100%;height:100%;object-fit:cover;border-radius:12px;box-shadow:0 4px 20px rgba(0,0,0,.1)}
.two-col-content h2{font-size:1.5rem;color:#1a237e;margin-bottom:16px}
.two-col-content h2::after{content:'';display:block;width:50px;height:3px;background:#4fc3f7;margin:10px 0 0;border-radius:2px}
.two-col-content p{font-size:1rem;color:#555;margin-bottom:14px;line-height:1.8}

/* FEATURE LIST */
.feature-list{max-width:900px;margin:0 auto}
.feature-list ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feature-list li{padding:12px 16px;background:#f8f9fa;border-radius:8px;font-size:.95rem;color:#333;border-left:3px solid #1a237e}

/* FOOTER GRID (agent variant) */
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:16px}
.footer-col p{font-size:.9rem;line-height:1.7;margin-bottom:8px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:rgba(255,255,255,.6);font-size:.9rem;transition:color .2s}
.footer-col a:hover{color:#4fc3f7}

/* RESPONSIVE */
@media(max-width:992px){
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .aluminum-grid{grid-template-columns:1fr}
  .contact-inner{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .feature-list ul{grid-template-columns:1fr}
}
@media(max-width:768px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:rgba(0,0,0,.95);flex-direction:column;padding:20px 24px;gap:16px}
  .nav-links.active{display:flex}
  .nav-toggle{display:block}
  .nav-links .dropdown-menu{position:static;box-shadow:none;padding-left:16px}
  .nav-links .dropdown:hover .dropdown-menu{display:block}
  .products-grid{grid-template-columns:1fr 1fr;gap:16px}
  .product-card img{height:180px}
  .hero-contacts{flex-direction:column;align-items:center}
  .gallery{grid-template-columns:1fr 1fr}
}
@media(max-width:480px){
  .products-grid{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr}
}