/* Arkitectural Glass MX — Shared Styles */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&display=swap');

:root{--white:#FFFFFF;--offwhite:#F7F8FA;--sand:#E5E7EB;--taupe:#9CA3AF;--bronze:#6B7280;--charcoal:#4B5563;--deep:#1F2937;--accent:#4FC3E0;--accent2:#5DD3F0;--accent-dk:#2BA0BD;--ice:#E0F4FA;--fire:#E94560;--fire-dk:#C7283E;--purple:#a78bfa;--ff:'DM Sans',-apple-system,sans-serif;--sp:clamp(80px,10vw,140px);--sp-sm:clamp(50px,7vw,90px);--mw:1240px;--ease:cubic-bezier(0.16,1,0.3,1)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--ff);font-size:17px;line-height:1.7;color:#1F2937;background:var(--white);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
.c{max-width:var(--mw);margin:0 auto;padding:0 clamp(20px,4vw,40px)}
h1,h2,h3,h4{font-family:var(--ff);font-weight:400;line-height:1.2;letter-spacing:0.04em;color:#111827}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.9rem,3.5vw,3rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.4rem);font-weight:500}
h4{font-size:1rem;font-weight:600}
em.ac{font-style:normal;color:var(--accent)}
em.fc{font-style:normal;color:var(--fire)}
em.pc{font-style:normal;color:var(--purple)}
.label{font-size:0.85rem;font-weight:600;text-transform:uppercase;letter-spacing:0.2em;color:#2BA0BD;margin-bottom:1rem}
.label.ctr,.title.ctr{text-align:center}
.title{margin-bottom:3rem}
.btn{display:inline-flex;align-items:center;padding:14px 32px;font-family:var(--ff);font-size:0.85rem;font-weight:500;letter-spacing:0.08em;text-transform:uppercase;border-radius:2px;transition:all 0.4s var(--ease);cursor:pointer;border:none}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:var(--accent-dk);transform:translateY(-2px);box-shadow:0 8px 30px rgba(79,195,224,0.25)}
.btn-f{background:var(--fire);color:#fff}
.btn-f:hover{background:var(--fire-dk);transform:translateY(-2px);box-shadow:0 8px 30px rgba(233,69,96,0.25)}
.btn-o{background:transparent;color:rgba(255,255,255,0.8);border:1px solid rgba(255,255,255,0.25)}
.btn-o:hover{background:rgba(255,255,255,0.05);border-color:rgba(255,255,255,0.5)}
.btn-o-dk{background:transparent;color:var(--charcoal);border:1px solid var(--sand)}
.btn-o-dk:hover{border-color:var(--accent);color:#111827}
.btn-lg{padding:18px 44px;font-size:0.88rem}
.btn-sm{padding:10px 20px;font-size:0.78rem}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:14px 0;background:rgba(255,255,255,0.97);backdrop-filter:blur(20px);box-shadow:0 1px 0 rgba(0,0,0,0.06);transition:all 0.5s var(--ease)}
.nav-inner{max-width:var(--mw);margin:0 auto;padding:0 clamp(20px,4vw,40px);display:flex;align-items:center;justify-content:space-between}
.logo{font-family:var(--ff);font-size:1.15rem;font-weight:400;display:flex;align-items:baseline;letter-spacing:0.25em;text-transform:uppercase}
.logo-ar{color:#111827}.logo-k{color:var(--accent);font-weight:600}.logo-itectural{color:#111827}
.logo-glass{margin-left:8px;font-weight:400;text-transform:capitalize;letter-spacing:0.15em;color:var(--accent)}
.logo-mx{margin-left:6px;font-size:0.65rem;font-weight:600;color:var(--fire);letter-spacing:0.1em;text-transform:uppercase;opacity:0.8}
.nav-links{list-style:none;display:flex;align-items:center;gap:28px}
.nav-links a{font-size:0.8rem;color:#6B7280;transition:color 0.3s;position:relative;letter-spacing:0.08em;text-transform:uppercase;font-weight:500}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--accent);transition:width 0.4s var(--ease)}
.nav-links a:hover{color:#111827}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:#111827}
.nav-links a.active::after{width:100%}
.nav-cta{padding:10px 24px !important;border:1px solid var(--sand) !important;border-radius:2px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}
.nav-toggle span{width:24px;height:1.5px;background:#374151;transition:all 0.3s}
.lang-toggle{display:flex;align-items:center;gap:4px;font-size:0.72rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--taupe);margin-left:12px;border-left:1px solid var(--sand);padding-left:16px}
.lang-toggle span{cursor:pointer;padding:3px 6px;border-radius:2px;transition:all 0.3s}
.lang-toggle span.active{color:var(--accent);background:rgba(79,195,224,0.08)}
.lang-toggle span:hover{color:#111827}
.nav-dropdown{position:relative}
.nav-dropdown-menu{position:absolute;top:100%;left:-12px;min-width:220px;padding:12px 0;background:#fff;border:1px solid var(--sand);border-radius:3px;box-shadow:0 12px 40px rgba(0,0,0,0.08);opacity:0;visibility:hidden;transform:translateY(8px);transition:all 0.3s var(--ease);margin-top:12px}
.nav-dropdown:hover .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.nav-dropdown-menu a{display:block;padding:8px 20px;font-size:0.78rem;color:#6B7280;letter-spacing:0.06em;text-transform:uppercase;font-weight:500;transition:all 0.2s}
.nav-dropdown-menu a::after{display:none}
.nav-dropdown-menu a:hover{color:#111827;background:var(--offwhite)}
.nav-dd-arrow{font-size:0.55rem;margin-left:4px;opacity:0.5}

/* PAGE HERO (inner pages) */
.page-hero{padding:160px 0 80px;background:linear-gradient(160deg,#1a2332 0%,#243447 40%,#2d3f52 60%,#1a2332 100%);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(79,195,224,0.06) 0%,transparent 60%)}
.page-hero.fire-hero::before{background:radial-gradient(ellipse at 30% 50%,rgba(233,69,96,0.06) 0%,transparent 60%)}
.page-hero::after{content:'';position:absolute;top:15%;right:8%;width:250px;height:350px;border:1px solid rgba(79,195,224,0.06);border-radius:2px;transform:rotate(4deg)}
.page-hero .breadcrumb{font-size:0.78rem;color:rgba(255,255,255,0.35);margin-bottom:1.5rem;letter-spacing:0.06em}
.page-hero .breadcrumb a{color:rgba(255,255,255,0.45);transition:color 0.3s}
.page-hero .breadcrumb a:hover{color:var(--accent)}
.page-hero .breadcrumb span{margin:0 8px;opacity:0.3}
.page-hero h1{color:rgba(255,255,255,0.95);margin-bottom:1.2rem}
.page-hero .page-hero-sub{font-size:clamp(1rem,1.4vw,1.12rem);color:rgba(255,255,255,0.5);max-width:640px;line-height:1.8;font-weight:400}

/* INTRO SECTION */
.intro{padding:var(--sp) 0}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.intro-body{color:#374151;font-size:1.05rem;font-weight:400;line-height:1.8;margin-top:1rem}
.intro-body strong{color:#111827}
.intro-highlight{margin-top:24px;padding:20px 24px;background:rgba(79,195,224,0.05);border-left:3px solid var(--accent);border-radius:0 3px 3px 0;font-size:0.95rem;color:#374151;line-height:1.7}
.intro-highlight.fire{background:rgba(233,69,96,0.04);border-left-color:var(--fire)}

/* PRODUCT CARDS (inner pages) */
.products{padding:var(--sp) 0;background:var(--deep)}
.products h2{color:rgba(255,255,255,0.9)}
.products .label{color:var(--accent)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card{padding:40px 28px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:3px;transition:all 0.5s var(--ease);display:flex;flex-direction:column}
.product-card:hover{border-color:rgba(79,195,224,0.2);background:rgba(79,195,224,0.04);transform:translateY(-4px)}
.product-card.fire:hover{border-color:rgba(233,69,96,0.2);background:rgba(233,69,96,0.04)}
.product-card h3{font-size:1.2rem;font-weight:500;color:rgba(255,255,255,0.9);margin-bottom:10px}
.product-card p{font-size:0.92rem;color:rgba(255,255,255,0.45);line-height:1.7;flex:1}
.product-specs{margin-top:20px;display:flex;flex-direction:column;gap:6px}
.product-spec{font-size:0.8rem;color:rgba(255,255,255,0.4);display:flex;align-items:center;gap:8px}
.product-spec-dot{width:4px;height:4px;border-radius:50%;background:var(--accent);flex-shrink:0}
.product-card.fire .product-spec-dot{background:var(--fire)}
.product-card .btn{margin-top:20px;align-self:flex-start}

/* SPECS TABLE */
.specs{padding:var(--sp) 0}
.specs-table{width:100%;border-collapse:collapse;margin-top:2rem}
.specs-table thead th{text-align:left;padding:14px 20px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:var(--bronze);border-bottom:2px solid var(--sand)}
.specs-table tbody td{padding:16px 20px;border-bottom:1px solid var(--sand);font-size:0.95rem;color:#374151;font-weight:400}
.specs-table tbody tr:hover{background:rgba(79,195,224,0.03)}
.specs-table .highlight{color:var(--accent);font-weight:500}
.specs-table .highlight-fire{color:var(--fire);font-weight:500}
.specs-wrap{overflow-x:auto}

/* APPLICATIONS GRID */
.applications{padding:var(--sp) 0;background:var(--offwhite)}
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.app-card{padding:32px 24px;background:#fff;border:1px solid var(--sand);border-radius:3px;transition:all 0.4s var(--ease)}
.app-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,0.06)}
.app-card h3{font-size:1.1rem;font-weight:500;margin-bottom:8px}
.app-card p{font-size:0.9rem;color:var(--charcoal);line-height:1.6}
.app-icon{font-size:1.6rem;margin-bottom:14px;display:block}

/* CTA (reusable) */
.cta{padding:var(--sp) 0;background:linear-gradient(160deg,#1a2332,#243447)}
.cta-inner{text-align:center;color:rgba(255,255,255,0.9);max-width:640px;margin:0 auto}
.cta-inner h2{margin-bottom:1.2rem;font-weight:400;color:#fff}
.cta-inner>p{color:rgba(255,255,255,0.6);margin-bottom:2.5rem;font-size:1.1rem;font-weight:400}
.cta-ct{margin-top:1.5rem;font-size:0.9rem;color:rgba(255,255,255,0.45)}
.cta-ct a{color:var(--accent);margin-left:8px}
.cta-qualify{margin-top:2rem;font-size:0.78rem;color:rgba(255,255,255,0.25);font-style:italic}

/* FAQ (reusable) */
.faq{padding:var(--sp) 0;background:var(--offwhite)}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.faq-item{padding:32px;background:#fff;border:1px solid var(--sand);border-radius:3px;transition:border-color 0.3s var(--ease)}
.faq-item:hover{border-color:rgba(79,195,224,0.3)}
.faq-item h3{font-size:1.05rem;font-weight:500;margin-bottom:10px;color:#111827}
.faq-item p{font-size:0.95rem;color:#4B5563;line-height:1.7}

/* FEATURES ROW */
.features{padding:var(--sp) 0}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{text-align:center;padding:32px 20px}
.feature-icon{font-size:2rem;margin-bottom:16px;display:block}
.feature-card h3{font-size:1rem;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:0.88rem;color:var(--charcoal);line-height:1.6}

/* RELATED / CROSS-SELL */
.related{padding:var(--sp-sm) 0;background:var(--deep)}
.related h2{color:rgba(255,255,255,0.9)}
.related .label{color:var(--accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{padding:28px 24px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:3px;transition:all 0.4s var(--ease);display:block}
.related-card:hover{border-color:rgba(79,195,224,0.2);transform:translateY(-3px)}
.related-card h3{font-size:1rem;font-weight:500;color:rgba(255,255,255,0.85);margin-bottom:6px}
.related-card p{font-size:0.85rem;color:rgba(255,255,255,0.4);line-height:1.5}

/* FOOTER */
.footer{padding:60px 0 30px;background:#1a2332;color:rgba(255,255,255,0.5);font-size:0.92rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.06)}
.footer-brand p{margin-top:16px;max-width:300px;line-height:1.7;font-weight:400}
.footer .logo-ar,.footer .logo-itectural{color:rgba(255,255,255,0.65)}
.footer .logo-k{color:var(--accent);font-weight:400}
.footer .logo-glass{color:var(--accent);opacity:0.6}
.footer h4{font-size:0.75rem;font-weight:500;text-transform:uppercase;letter-spacing:0.15em;color:rgba(255,255,255,0.35);margin-bottom:16px}
.footer-links a,.footer-ct a{display:block;margin-bottom:10px;font-weight:400;transition:color 0.3s}
.footer-links a:hover,.footer-ct a:hover{color:var(--accent)}
.footer-btm{padding-top:24px;font-size:0.78rem;color:rgba(255,255,255,0.25);display:flex;justify-content:space-between;align-items:center}

/* RESPONSIVE */
@media(max-width:1024px){
  .intro-grid{grid-template-columns:1fr;gap:40px}
  .product-grid{grid-template-columns:1fr 1fr}
  .app-grid{grid-template-columns:1fr 1fr}
  .feature-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .nav-links{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:var(--deep);flex-direction:column;justify-content:center;gap:24px;padding:40px;transition:right 0.5s var(--ease)}
  .nav-links.open{right:0}
  .nav-links a{color:rgba(255,255,255,0.6)!important;font-size:1rem}
  .nav-dropdown-menu{position:static;opacity:1;visibility:visible;transform:none;background:transparent;border:none;box-shadow:none;padding:0 0 0 16px;margin:0}
  .nav-dropdown-menu a{color:rgba(255,255,255,0.4)!important;padding:6px 0;font-size:0.85rem}
  .lang-toggle{border:none;padding:0;margin:0}
  .product-grid{grid-template-columns:1fr}
  .app-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-btm{flex-direction:column;gap:8px;text-align:center}
  .page-hero::after{display:none}
  .page-hero{padding:130px 0 60px}
}