:root{--primary:#0f4c81;--primary-2:#176da6;--accent:#e6a91e;--dark:#10202d;--muted:#64717d;--light:#f4f7f9;--white:#fff;--radius:24px;--shadow:0 18px 45px rgba(15,76,129,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--dark);background:#fff;line-height:1.65}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}.container{width:min(1180px,92%);margin:auto}.section{padding:100px 0}.section.alt{background:var(--light)}.eyebrow{display:inline-block;color:var(--primary);font-weight:800;text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;margin-bottom:12px}.section-title{font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;margin:0 0 20px}.section-intro{max-width:760px;color:var(--muted);font-size:1.08rem}.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(16,32,45,.08);transition:.3s}.header.scrolled{box-shadow:0 12px 30px rgba(0,0,0,.08)}.nav{height:82px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px;font-weight:900}.brand-mark{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-2));display:grid;place-items:center;color:#fff;font-size:1.3rem}.brand small{display:block;color:var(--muted);font-size:.68rem;letter-spacing:.14em}.menu{display:flex;gap:28px;align-items:center}.menu a{font-weight:700;font-size:.94rem;position:relative}.menu a:after{content:"";position:absolute;height:2px;background:var(--primary);left:0;right:100%;bottom:-8px;transition:.3s}.menu a:hover:after,.menu a.active:after{right:0}.menu-toggle{display:none;border:0;background:none;font-size:1.8rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:999px;font-weight:800;transition:.3s;border:2px solid transparent}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{transform:translateY(-3px);background:var(--primary-2)}.btn-light{background:#fff;color:var(--primary)}.btn-outline{border-color:#fff;color:#fff}.hero{height:100vh;min-height:680px;display:flex;align-items:center;position:relative;background-size:cover;background-position:center}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,18,27,.84),rgba(6,18,27,.38),rgba(6,18,27,.12))}.hero-content{position:relative;color:#fff;max-width:850px;padding-top:70px}.hero h1{font-size:clamp(2.8rem,7vw,5.8rem);line-height:.98;margin:0 0 24px;letter-spacing:-.04em}.hero p{font-size:clamp(1.05rem,2vw,1.3rem);max-width:700px;color:rgba(255,255,255,.9)}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.hero-home{background-image:url('https://images.unsplash.com/photo-1659720879338-160d469a3b17?auto=format&fit=crop&w=2000&q=85')}.hero-alu{background-image:url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=2000&q=85')}.hero-pvc{background-image:url('https://images.unsplash.com/photo-1600566753190-17f0baa2a6c3?auto=format&fit=crop&w=2000&q=85')}.hero-about{background-image:url('https://images.unsplash.com/photo-1494526585095-c41746248156?auto=format&fit=crop&w=2000&q=85')}.hero-contact{background-image:url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?auto=format&fit=crop&w=2000&q=85')}.grid{display:grid;gap:24px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);border:1px solid rgba(16,32,45,.06);transition:.35s}.card:hover{transform:translateY(-8px)}.icon{width:56px;height:56px;border-radius:18px;background:rgba(15,76,129,.1);display:grid;place-items:center;font-size:1.55rem;margin-bottom:20px}.card h3{margin:0 0 12px;font-size:1.35rem}.card p{color:var(--muted);margin:0}.feature-split{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.image-panel{min-height:520px;border-radius:32px;background-size:cover;background-position:center;box-shadow:var(--shadow)}.checklist{display:grid;gap:14px;margin:26px 0}.check{display:flex;gap:14px;align-items:flex-start}.check b{color:var(--primary)}.stats{background:var(--primary);color:#fff;border-radius:32px;padding:50px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.stat{text-align:center}.stat strong{display:block;font-size:2.7rem}.stat span{color:rgba(255,255,255,.76)}.process{counter-reset:step}.process .card{position:relative;padding-top:74px}.process .card:before{counter-increment:step;content:"0" counter(step);position:absolute;top:24px;left:30px;font-size:1.8rem;font-weight:900;color:var(--accent)}.cta-band{background:linear-gradient(135deg,var(--primary),#0a3154);color:#fff;border-radius:34px;padding:60px;display:flex;justify-content:space-between;gap:30px;align-items:center}.cta-band h2{font-size:clamp(2rem,4vw,3.4rem);margin:0;line-height:1.08}.faq-item{border-bottom:1px solid #dce4e9}.faq-q{width:100%;border:0;background:none;text-align:left;padding:22px 0;font-size:1.08rem;font-weight:800;display:flex;justify-content:space-between}.faq-a{max-height:0;overflow:hidden;color:var(--muted);transition:.35s}.faq-item.open .faq-a{max-height:180px;padding-bottom:22px}.timeline{position:relative;padding-left:34px}.timeline:before{content:"";position:absolute;left:8px;top:0;bottom:0;width:2px;background:#cbd8e0}.timeline-item{position:relative;margin-bottom:32px}.timeline-item:before{content:"";position:absolute;left:-32px;top:8px;width:14px;height:14px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 6px #fff}.carousel-wrap{overflow:hidden;padding:18px 0}.carousel-track{display:flex;gap:22px;width:max-content;animation:scroll 34s linear infinite}.carousel-wrap:hover .carousel-track{animation-play-state:paused}.work-card{width:360px;height:280px;border-radius:26px;overflow:hidden;position:relative;flex:none}.work-card img{width:100%;height:100%;object-fit:cover;transition:.5s}.work-card:hover img{transform:scale(1.08)}.work-card span{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.92);padding:10px 14px;border-radius:999px;font-weight:800}@keyframes scroll{to{transform:translateX(calc(-50% - 11px))}}.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px}.contact-card{background:var(--dark);color:#fff;border-radius:32px;padding:42px}.contact-row{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.13)}.map-box{border-radius:32px;overflow:hidden;min-height:520px}.map-box iframe{width:100%;height:100%;border:0}.footer{background:#0b1720;color:#fff;padding:70px 0 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:35px}.footer h4{margin-top:0}.footer a,.footer p{color:rgba(255,255,255,.72)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:50px;padding-top:22px;display:flex;justify-content:space-between;gap:20px}.phone-float{position:fixed;right:22px;bottom:22px;width:62px;height:62px;border-radius:50%;background:#19a55a;color:#fff;display:grid;place-items:center;font-size:1.7rem;z-index:1000;box-shadow:0 15px 35px rgba(25,165,90,.35);animation:pulse 2s infinite}@keyframes pulse{50%{transform:scale(1.08)}}.reveal{opacity:0;transform:translateY(28px);transition:.8s}.reveal.visible{opacity:1;transform:none}.pill-list{display:flex;flex-wrap:wrap;gap:10px}.pill{background:#eef4f7;border-radius:999px;padding:10px 15px;font-weight:700;color:var(--primary)}@media(max-width:900px){.menu-toggle{display:block}.menu{position:absolute;top:82px;left:4%;right:4%;background:#fff;border-radius:20px;box-shadow:var(--shadow);padding:22px;display:none;flex-direction:column;align-items:flex-start}.menu.open{display:flex}.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}.feature-split,.contact-grid{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}.cta-band{flex-direction:column;align-items:flex-start}.hero{min-height:620px}}@media(max-width:600px){.section{padding:72px 0}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.hero{height:100vh;min-height:640px;background-position:center}.hero h1{font-size:2.65rem}.hero-actions{flex-direction:column;align-items:stretch}.btn{width:100%}.stats{grid-template-columns:1fr 1fr;padding:32px 18px}.stat strong{font-size:2rem}.cta-band{padding:36px 24px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}.work-card{width:280px;height:220px}.image-panel{min-height:370px}.nav{height:72px}.menu{top:72px}.brand span:last-child{font-size:.86rem}}