/* RK Doors — static site styles */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#0f172a;background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;color:#0b1e44;line-height:1.2;margin:0 0 .6em}
h1{font-size:clamp(2rem,5vw,3.5rem);font-weight:700}
h2{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:700}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1em;color:#334155}
a{color:#1f4cc7;text-decoration:none}
a:hover{color:#0b1e44}
img{max-width:100%;display:block;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 1.25rem}
.section{padding:5rem 0}
.section-sm{padding:3rem 0}
.text-center{text-align:center}
.muted{color:#64748b}
.eyebrow{display:inline-block;font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:#1f4cc7;font-weight:600;margin-bottom:.75rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem 1.5rem;border-radius:8px;font-weight:600;font-size:.95rem;border:none;cursor:pointer;transition:all .25s ease;text-decoration:none}
.btn-primary{background:linear-gradient(135deg,#1f4cc7,#0b1e44);color:#fff;box-shadow:0 4px 14px rgba(31,76,199,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(31,76,199,.4);color:#fff}
.btn-outline{background:transparent;color:#0b1e44;border:2px solid #0b1e44}
.btn-outline:hover{background:#0b1e44;color:#fff}
.btn-light{background:#fff;color:#0b1e44}
.btn-light:hover{background:#f1f5f9}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:all .3s}
.site-header.scrolled{background:rgba(255,255,255,.95);border-bottom-color:#e2e8f0;box-shadow:0 1px 12px rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:.75rem}
.brand-logo{width:44px;height:44px;background:#0b1e44;border-radius:8px;padding:4px;display:grid;place-items:center}
.brand-logo img{width:100%;height:100%;object-fit:contain}
.brand-text{line-height:1.1}
.brand-name{font-weight:700;font-size:1rem;color:#0b1e44;letter-spacing:.02em}
.brand-tag{font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:#64748b}
.nav{display:flex;align-items:center;gap:.25rem}
.nav a{padding:.5rem .9rem;font-size:.92rem;font-weight:500;color:#334155;border-radius:6px;transition:color .2s}
.nav a:hover,.nav a.active{color:#1f4cc7}
.header-cta{display:flex;align-items:center;gap:1rem}
.header-phone{font-size:.9rem;font-weight:500;color:#334155;display:flex;align-items:center;gap:.4rem}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:.5rem;color:#0b1e44}
.mobile-toggle svg{width:24px;height:24px}
.mobile-nav{display:none;background:#fff;border-top:1px solid #e2e8f0;padding:1rem 0}
.mobile-nav a{display:block;padding:.75rem 0;color:#334155;font-weight:500;border-bottom:1px solid #f1f5f9}
.mobile-nav .btn{margin-top:1rem;width:100%}

/* Hero */
.hero{position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;overflow:hidden;padding:8rem 0 5rem}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,30,68,.92),rgba(31,76,199,.7))}
.hero h1{color:#fff;max-width:900px}
.hero h1 .accent{background:linear-gradient(90deg,#7dd3fc,#38bdf8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.15rem;color:rgba(255,255,255,.92);max-width:650px;margin-bottom:2rem}
.hero-buttons{display:flex;gap:1rem;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.5rem;margin-top:4rem;padding-top:3rem;border-top:1px solid rgba(255,255,255,.15);max-width:900px}
.hero-stat .num{font-size:2rem;font-weight:700;font-family:'Space Grotesk',sans-serif;color:#7dd3fc}
.hero-stat .label{font-size:.85rem;color:rgba(255,255,255,.75);text-transform:uppercase;letter-spacing:.08em}

/* Page hero (smaller) */
.page-hero{padding:8rem 0 3rem;background:linear-gradient(135deg,#0b1e44,#1f4cc7);color:#fff;text-align:center}
.page-hero h1{color:#fff;margin-bottom:.5rem}
.page-hero p{color:rgba(255,255,255,.85);max-width:700px;margin:0 auto}

/* Cards & grids */
.grid{display:grid;gap:1.5rem}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(360px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;overflow:hidden;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 20px 40px -15px rgba(15,23,42,.18);border-color:#cbd5e1}
.card-img{aspect-ratio:4/3;overflow:hidden;background:#f1f5f9}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{padding:1.5rem}
.card-body h3{margin-bottom:.5rem}
.card-body p{font-size:.92rem;margin-bottom:1rem}
.card-link{font-size:.88rem;font-weight:600;color:#1f4cc7;display:inline-flex;align-items:center;gap:.3rem}
.card-link::after{content:"→";transition:transform .2s}
.card-link:hover::after{transform:translateX(3px)}

/* Feature/highlight strip */
.features-strip{background:#f8fafc;padding:3rem 0;border-top:1px solid #e2e8f0;border-bottom:1px solid #e2e8f0}
.features-strip .grid-4{gap:1.5rem}
.feature-item{text-align:center;padding:1rem}
.feature-item .icon{width:56px;height:56px;margin:0 auto 1rem;background:linear-gradient(135deg,#1f4cc7,#0b1e44);color:#fff;border-radius:12px;display:grid;place-items:center;font-size:1.5rem;font-weight:700}
.feature-item h4{font-family:'Space Grotesk',sans-serif;font-size:1rem;margin:0 0 .25rem;color:#0b1e44}
.feature-item p{font-size:.85rem;margin:0;color:#64748b}

/* Stats band */
.stats-band{background:#0b1e44;color:#fff;padding:4rem 0}
.stats-band .grid-4{text-align:center}
.stat-num{font-family:'Space Grotesk',sans-serif;font-size:2.5rem;font-weight:700;color:#7dd3fc;line-height:1}
.stat-label{margin-top:.5rem;font-size:.9rem;color:rgba(255,255,255,.8);text-transform:uppercase;letter-spacing:.08em}

/* Timeline */
.timeline{position:relative;padding-left:2rem}
.timeline::before{content:"";position:absolute;left:.5rem;top:0;bottom:0;width:2px;background:linear-gradient(180deg,#1f4cc7,#7dd3fc)}
.timeline-item{position:relative;padding-bottom:2rem}
.timeline-item::before{content:"";position:absolute;left:-1.8rem;top:.25rem;width:14px;height:14px;border-radius:50%;background:#1f4cc7;border:3px solid #fff;box-shadow:0 0 0 2px #1f4cc7}
.timeline-step{font-size:.75rem;color:#1f4cc7;font-weight:700;letter-spacing:.12em;text-transform:uppercase}
.timeline-item h4{margin:.2rem 0 .3rem;font-size:1.1rem}

/* FAQ */
.faq-item{border-bottom:1px solid #e2e8f0;padding:1.25rem 0}
.faq-q{width:100%;background:none;border:none;text-align:left;font-family:inherit;font-weight:600;font-size:1.05rem;color:#0b1e44;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:0}
.faq-q::after{content:"+";font-size:1.5rem;color:#1f4cc7;transition:transform .2s;flex-shrink:0}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:#475569}
.faq-item.open .faq-a{max-height:500px;padding-top:.75rem}

/* Product detail */
.product-hero{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;padding:7rem 0 3rem}
.product-hero img{border-radius:14px;box-shadow:0 20px 60px -20px rgba(11,30,68,.4)}
.product-section{padding:3rem 0}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #e2e8f0;border-radius:10px;overflow:hidden}
.spec-table th,.spec-table td{padding:1rem 1.25rem;text-align:left;border-bottom:1px solid #e2e8f0;font-size:.95rem}
.spec-table th{background:#f8fafc;color:#0b1e44;font-weight:600;width:40%}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:none}
.bullet-list{list-style:none;padding:0;margin:0}
.bullet-list li{padding:.5rem 0 .5rem 1.75rem;position:relative;color:#334155}
.bullet-list li::before{content:"✓";position:absolute;left:0;top:.5rem;color:#1f4cc7;font-weight:700}

/* Forms */
.form{display:grid;gap:1rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form label{display:block;font-size:.88rem;font-weight:500;color:#0b1e44;margin-bottom:.35rem}
.form input,.form textarea,.form select{width:100%;padding:.7rem .9rem;border:1px solid #cbd5e1;border-radius:8px;font-family:inherit;font-size:.95rem;background:#fff;transition:border-color .2s,box-shadow .2s}
.form input:focus,.form textarea:focus,.form select:focus{outline:none;border-color:#1f4cc7;box-shadow:0 0 0 3px rgba(31,76,199,.15)}
.form textarea{min-height:120px;resize:vertical}
.form .hint{font-size:.75rem;color:#64748b;margin-top:.5rem}
.form-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:14px;padding:2rem}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:start}
.contact-info-item{display:flex;gap:1rem;padding:1rem 0;border-bottom:1px solid #e2e8f0}
.contact-info-item:last-child{border-bottom:none}
.contact-info-item .ico{width:42px;height:42px;background:linear-gradient(135deg,#1f4cc7,#0b1e44);color:#fff;border-radius:10px;display:grid;place-items:center;flex-shrink:0;font-size:1.1rem}
.contact-info-item strong{color:#0b1e44;display:block;margin-bottom:.2rem}
.contact-info-item a{color:#334155}
.map-wrap{margin-top:3rem;border-radius:14px;overflow:hidden;border:1px solid #e2e8f0;box-shadow:0 10px 30px -15px rgba(0,0,0,.1)}
.map-wrap iframe{display:block;width:100%;height:400px;border:0}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}
.gallery-item{aspect-ratio:4/3;overflow:hidden;border-radius:10px;cursor:pointer}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gallery-item:hover img{transform:scale(1.08)}

/* CTA section */
.cta-band{background:linear-gradient(135deg,#1f4cc7,#0b1e44);color:#fff;padding:5rem 0;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.85);max-width:600px;margin:0 auto 2rem;font-size:1.05rem}

/* Footer */
.site-footer{background:#0a1633;color:rgba(255,255,255,.8);padding:4rem 0 0;margin-top:4rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:2.5rem}
.footer-grid h4{color:#fff;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1rem;font-family:'Inter',sans-serif}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{padding:.3rem 0}
.footer-grid a{color:rgba(255,255,255,.75);font-size:.92rem}
.footer-grid a:hover{color:#7dd3fc}
.footer-contact li{display:flex;gap:.6rem;font-size:.9rem;padding:.4rem 0}
.footer-contact .ico{color:#7dd3fc;flex-shrink:0;margin-top:.2rem}
.socials{display:flex;gap:.6rem;margin-top:1rem}
.socials a{width:36px;height:36px;background:rgba(255,255,255,.08);border-radius:8px;display:grid;place-items:center;color:#fff;transition:background .2s}
.socials a:hover{background:#1f4cc7;color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:3rem;padding:1.25rem 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;font-size:.82rem;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.6);margin-left:1.25rem}

/* WhatsApp floating */
.wa-float{position:fixed;right:1.25rem;bottom:1.25rem;width:58px;height:58px;background:#25d366;color:#fff;border-radius:50%;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.4);z-index:60;transition:transform .2s}
.wa-float:hover{transform:scale(1.08);color:#fff}
.wa-float svg{width:30px;height:30px}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:960px){
  .nav,.header-cta{display:none}
  .mobile-toggle{display:block}
  .product-hero{grid-template-columns:1fr;gap:2rem;padding-top:6rem}
  .contact-grid{grid-template-columns:1fr;gap:2rem}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .section{padding:3.5rem 0}
}
@media (max-width:560px){
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{min-height:auto;padding:7rem 0 4rem}
  .hero-buttons{flex-direction:column;align-items:stretch}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:2.5rem;padding-top:2rem}
  .footer-bottom{justify-content:center;text-align:center}
}