/* ==========================================================================
   WINDOWPLAST PROFILE — Design System
   Premium uPVC Windows & Doors — architectural, blue/white identity
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root{
  /* Color */
  --navy-950:#0B1220;
  --navy-900:#0E1830;
  --blue-800:#0F3A72;
  --blue-700:#14498C;
  --blue-600:#1B5FAD;
  --blue-500:#2E74C9;
  --blue-50:#EAF1FA;
  --blue-25:#F5F9FD;
  --white:#FFFFFF;
  --gray-900:#12161C;
  --gray-700:#3C4552;
  --gray-600:#5B6472;
  --gray-400:#8B93A0;
  --gray-200:#E3E8EF;
  --gray-100:#F1F4F8;
  --gold:#C9A24B;
  --gold-dark:#A9843A;
  --success:#1E8E5A;

  /* Typography */
  --font-display:'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body:'Inter', 'Segoe UI', sans-serif;

  /* Layout */
  --container-max:1280px;
  --radius-sm:2px;
  --radius-md:4px;
  --chamfer:18px;
  --header-h:92px;
  --header-h-scrolled:72px;

  /* Motion */
  --ease:cubic-bezier(.4,0,.2,1);
  --dur-sm:200ms;
  --dur-md:420ms;
  --dur-lg:700ms;

  /* Shadow */
  --shadow-sm:0 1px 2px rgba(11,18,32,0.06), 0 1px 1px rgba(11,18,32,0.04);
  --shadow-md:0 12px 32px -12px rgba(11,18,32,0.18);
  --shadow-lg:0 24px 60px -20px rgba(11,18,32,0.28);
}

@media(prefers-reduced-motion: reduce){
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

/* ---------- Base ---------- */
html{ scroll-behavior:smooth; }
body{
  font-family:var(--font-body);
  color:var(--gray-700);
  background:var(--white);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  color:var(--gray-900);
  font-weight:700;
  line-height:1.15;
  letter-spacing:-0.01em;
  margin:0;
}
p{ margin:0 0 1rem; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; height:auto; display:block; }
ul{ margin:0; padding:0; list-style:none; }
:focus-visible{ outline:3px solid var(--gold); outline-offset:2px; }
.container-xl{ max-width:var(--container-max); margin-inline:auto; padding-inline:1.5rem; }
@media(min-width:1400px){ .container-xl{ padding-inline:2rem; } }

section{ position:relative; }
.section-pad{ padding-block:6.5rem; }
.section-pad-sm{ padding-block:4rem; }
@media(max-width:991.98px){
  .section-pad{ padding-block:4.5rem; }
  .section-pad-sm{ padding-block:3rem; }
}
@media(max-width:575.98px){
  .section-pad{ padding-block:3.25rem; }
  .section-pad-sm{ padding-block:2.25rem; }
}

.bg-navy{ background:var(--navy-950); color:rgba(255,255,255,0.82); }
.bg-navy h1,.bg-navy h2,.bg-navy h3,.bg-navy h4{ color:var(--white); }
.bg-blue-50{ background:var(--blue-50); }
.bg-blue-25{ background:var(--blue-25); }

/* ---------- Section Heading System ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:0.6rem;
  font-family:var(--font-display);
  font-size:0.78rem; font-weight:600;
  letter-spacing:0.22em; text-transform:uppercase;
  color:var(--blue-600);
  margin-bottom:0.9rem;
}
.eyebrow::before{ content:""; width:28px; height:2px; background:var(--gold); display:inline-block; }
.bg-navy .eyebrow{ color:var(--gold); }

.section-title{ font-size:clamp(1.8rem, 1.4rem + 1.8vw, 2.75rem); margin-bottom:1rem; }
.section-sub{ color:var(--gray-600); font-size:1.05rem; max-width:640px; }
.bg-navy .section-sub{ color:rgba(255,255,255,0.68); }
.section-head{ margin-bottom:3rem; }
.section-head.text-center{ margin-inline:auto; }
.section-head.text-center .section-sub{ margin-inline:auto; }

.divider-chip{
  width:56px; height:3px; background:var(--gold); margin-bottom:1.25rem; display:block;
}

/* ---------- Buttons ---------- */
.btn{
  font-family:var(--font-display);
  font-weight:600; font-size:0.92rem;
  letter-spacing:0.02em;
  border-radius:var(--radius-sm);
  padding:0.9rem 1.9rem;
  border:1.5px solid transparent;
  transition:all var(--dur-sm) var(--ease);
  display:inline-flex; align-items:center; justify-content:center; gap:0.6rem;
  position:relative;
}
.btn-primary{ background:var(--blue-700); color:var(--white); }
.btn-primary:hover{ background:var(--blue-800); color:var(--white); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-gold{ background:var(--gold); color:var(--navy-950); }
.btn-gold:hover{ background:var(--gold-dark); color:var(--navy-950); transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-outline-light{ background:transparent; color:var(--white); border-color:rgba(255,255,255,0.55); }
.btn-outline-light:hover{ background:var(--white); color:var(--navy-950); border-color:var(--white); }
.btn-outline-navy{ background:transparent; color:var(--gray-900); border-color:var(--gray-200); }
.btn-outline-navy:hover{ background:var(--gray-900); color:var(--white); border-color:var(--gray-900); }
.btn-block-full{ width:100%; }
.btn-sm{ padding:0.65rem 1.3rem; font-size:0.82rem; }

.link-arrow{
  display:inline-flex; align-items:center; gap:0.5rem;
  font-family:var(--font-display); font-weight:600; font-size:0.95rem;
  color:var(--blue-700); border-bottom:1.5px solid transparent;
  padding-bottom:2px; transition:all var(--dur-sm) var(--ease);
}
.link-arrow i,.link-arrow svg{ transition:transform var(--dur-sm) var(--ease); }
.link-arrow:hover{ color:var(--blue-800); border-color:var(--gold); }
.link-arrow:hover i{ transform:translateX(5px); }
.bg-navy .link-arrow{ color:var(--white); }
.bg-navy .link-arrow:hover{ color:var(--gold); }

/* Chamfered corner utility — signature motif echoing a mitred window-frame corner */
.chamfer, .chamfer-img img, img.chamfer-img, .card-chamfer{
  clip-path:polygon(var(--chamfer) 0, 100% 0, 100% calc(100% - var(--chamfer)), calc(100% - var(--chamfer)) 100%, 0 100%, 0 var(--chamfer));
}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,0.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--gray-200);
  transition:all var(--dur-md) var(--ease);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:var(--header-h);
  transition:height var(--dur-md) var(--ease);
}
.site-header.is-scrolled .header-inner{ height:var(--header-h-scrolled); }
.site-header.is-scrolled{ box-shadow:var(--shadow-md); }

.brand img{ height:52px; width:auto; transition:height var(--dur-md) var(--ease); }
.site-header.is-scrolled .brand img{ height:42px; }

.main-nav{ display:flex; align-items:center; gap:2.1rem; }
.main-nav .nav-link{
  font-family:var(--font-display); font-weight:600; font-size:0.94rem;
  color:var(--gray-900); position:relative; padding:0.4rem 0;
}
.main-nav .nav-link::after{
  content:""; position:absolute; left:0; bottom:-2px; width:0; height:2px;
  background:var(--gold); transition:width var(--dur-sm) var(--ease);
}
.main-nav .nav-link:hover::after, .main-nav .nav-link.active::after{ width:100%; }
.main-nav .nav-link.active{ color:var(--blue-700); }

.nav-dropdown{ position:relative; }
.nav-dropdown-panel{
  position:absolute; top:calc(100% + 18px); left:50%; transform:translateX(-50%) translateY(8px);
  width:600px; background:var(--white); border:1px solid var(--gray-200);
  box-shadow:var(--shadow-lg); padding:1.5rem; opacity:0; visibility:hidden;
  transition:all var(--dur-sm) var(--ease);
  display:grid; grid-template-columns:1fr 1fr; gap:0.4rem 1.5rem;
}
.nav-dropdown:hover .nav-dropdown-panel,
.nav-dropdown:focus-within .nav-dropdown-panel{
  opacity:1; visibility:visible; transform:translateX(-50%) translateY(0);
}
.nav-dropdown-panel a{
  display:flex; align-items:center; gap:0.75rem;
  padding:0.7rem 0.6rem; border-radius:var(--radius-sm);
  font-size:0.92rem; font-weight:500; color:var(--gray-700);
  transition:all var(--dur-sm) var(--ease);
}
.nav-dropdown-panel a i{ color:var(--blue-600); font-size:0.95rem; width:18px; }
.nav-dropdown-panel a:hover{ background:var(--blue-50); color:var(--blue-700); padding-left:0.9rem; }
.nav-caret{ font-size:0.65rem; margin-left:0.35rem; transition:transform var(--dur-sm) var(--ease); }
.nav-dropdown:hover .nav-caret{ transform:rotate(180deg); }

.header-cta{ display:flex; align-items:center; gap:1rem; }
.header-phone{
  display:flex; align-items:center; gap:0.55rem; font-family:var(--font-display);
  font-weight:600; font-size:0.9rem; color:var(--gray-900);
}
.header-phone i{ color:var(--gold); }

.nav-toggle{
  display:none; flex-direction:column; gap:5px; width:44px; height:44px;
  align-items:center; justify-content:center; border:1px solid var(--gray-200);
  background:var(--white); cursor:pointer;
}
.nav-toggle span{ display:block; width:20px; height:2px; background:var(--gray-900); }

@media(max-width:1199.98px){
  .main-nav{ display:none; }
  .header-phone{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ---------- Offcanvas Mobile Menu (left slide) ---------- */
.mobile-menu-overlay{
  position:fixed; inset:0; background:rgba(11,18,32,0.62);
  z-index:1100; opacity:0; visibility:hidden; transition:opacity var(--dur-md) var(--ease);
}
.mobile-menu-overlay.is-open{ opacity:1; visibility:visible; }

.mobile-menu{
  position:fixed; top:0; left:0; bottom:0; width:min(360px, 86vw);
  background:var(--navy-950); z-index:1200;
  transform:translateX(-100%); transition:transform var(--dur-md) var(--ease);
  display:flex; flex-direction:column; overflow-y:auto;
}
.mobile-menu.is-open{ transform:translateX(0); }
.mobile-menu-head{
  display:flex; align-items:center; justify-content:space-between;
  padding:1.5rem; border-bottom:1px solid rgba(255,255,255,0.12);
}
.mobile-menu-head img{ height:36px; }
.mobile-menu-close{
  width:38px; height:38px; border:1px solid rgba(255,255,255,0.3); background:transparent;
  color:var(--white); display:flex; align-items:center; justify-content:center;
}
.mobile-nav{ padding:1rem 1.5rem; flex:1; }
.mobile-nav > li{ border-bottom:1px solid rgba(255,255,255,0.08); }
.mobile-nav .mobile-link{
  display:flex; align-items:center; justify-content:space-between;
  padding:1rem 0; font-family:var(--font-display); font-weight:600;
  font-size:1.02rem; color:var(--white);
}
.mobile-submenu{ max-height:0; overflow:hidden; transition:max-height var(--dur-md) var(--ease); }
.mobile-submenu.is-open{ max-height:600px; }
.mobile-submenu a{
  display:block; padding:0.65rem 0 0.65rem 1rem; font-size:0.92rem;
  color:rgba(255,255,255,0.68); border-left:2px solid rgba(255,255,255,0.15);
}
.mobile-submenu a:hover{ color:var(--gold); border-color:var(--gold); }
.mobile-expand-btn{ background:none; border:none; color:var(--white); }
.mobile-expand-btn i{ transition:transform var(--dur-sm) var(--ease); }
.mobile-expand-btn.is-open i{ transform:rotate(180deg); }
.mobile-menu-foot{ padding:1.5rem; border-top:1px solid rgba(255,255,255,0.12); display:grid; gap:0.9rem; }
.mobile-menu-foot .btn{ width:100%; }
.mobile-contact-row{ display:flex; align-items:center; gap:0.65rem; color:var(--white); font-weight:600; }
.mobile-contact-row i{ color:var(--gold); }

/* ---------- Floating Buttons ---------- */
.whatsapp-float{
  position:fixed; left:20px; bottom:25px; z-index:900;
  width:58px; height:58px; border-radius:50%;
  background:#25D366; color:var(--white); display:flex; align-items:center; justify-content:center;
  font-size:1.6rem; box-shadow:var(--shadow-lg);
  animation:pulseWA 2.4s ease-in-out infinite;
}
.whatsapp-float:hover{ color:var(--white); }
@keyframes pulseWA{
  0%,100%{ box-shadow:0 0 0 0 rgba(37,211,102,0.45), var(--shadow-lg); }
  50%{ box-shadow:0 0 0 12px rgba(37,211,102,0), var(--shadow-lg); }
}
@media(max-width:575.98px){ .whatsapp-float{ width:48px; height:48px; font-size:1.3rem; left:14px; bottom:18px; } }

.back-to-top{
  position:fixed; right:20px; bottom:25px; z-index:900;
  width:48px; height:48px; border-radius:50%;
  background:var(--blue-700); color:var(--white); display:flex; align-items:center; justify-content:center;
  box-shadow:var(--shadow-md); opacity:0; visibility:hidden; transform:translateY(12px);
  transition:all var(--dur-sm) var(--ease); border:none;
}
.back-to-top.is-visible{ opacity:1; visibility:visible; transform:translateY(0); }
.back-to-top:hover{ background:var(--blue-800); }
@media(max-width:575.98px){ .back-to-top{ width:42px; height:42px; right:14px; bottom:18px; } }

/* ==========================================================================
   HOME — Section 01 Hero
   ========================================================================== */
.hero{
  position:relative; min-height:88vh; display:flex; align-items:center;
  background:var(--navy-950); overflow:hidden; padding-top:2rem;
}
.hero-media{ position:absolute; inset:0; z-index:0; }
.hero-media img{ width:100%; height:100%; object-fit:cover; opacity:0.55; }
.hero-media::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(100deg, rgba(11,18,32,0.96) 0%, rgba(11,18,32,0.78) 42%, rgba(11,18,32,0.35) 100%);
}
.hero-content{ position:relative; z-index:1; padding-block:5rem; max-width:720px; }
.hero .eyebrow{ color:var(--gold); }
.hero-title{
  font-size:clamp(2.2rem, 1.5rem + 3vw, 3.75rem); color:var(--white);
  margin-bottom:1.4rem;
}
.hero-title em{ font-style:normal; color:var(--gold); }
.hero-desc{ color:rgba(255,255,255,0.78); font-size:1.12rem; max-width:560px; margin-bottom:2.2rem; }
.hero-actions{ display:flex; gap:1rem; flex-wrap:wrap; margin-bottom:3rem; }
.hero-trust{ display:flex; flex-wrap:wrap; gap:1.8rem; }
.hero-trust-item{ display:flex; align-items:center; gap:0.6rem; color:rgba(255,255,255,0.85); font-family:var(--font-display); font-weight:600; font-size:0.88rem; }
.hero-trust-item i{ color:var(--gold); }

@media(max-width:767.98px){
  .hero{ min-height:auto; padding-block:2.5rem 3rem; }
  .hero-content{ padding-block:2rem 0; }
  .hero-actions .btn{ width:100%; }
}

/* ---------- Section 02 Introduction (split) ---------- */
.intro-split{ display:grid; grid-template-columns:0.9fr 1.1fr; gap:0; align-items:stretch; }
.intro-media{ position:relative; overflow:hidden; min-height:460px; }
.intro-media img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.intro-media-badge{
  position:absolute; bottom:1.5rem; right:-1.5rem; background:var(--blue-700); color:var(--white);
  padding:1.3rem 1.6rem; max-width:220px; font-family:var(--font-display);
}
.intro-media-badge strong{ display:block; font-size:1.8rem; }
.intro-media-badge span{ font-size:0.78rem; letter-spacing:0.05em; opacity:0.85; }
.intro-copy{ padding:3.5rem 4rem; display:flex; flex-direction:column; justify-content:center; }
.intro-copy ul{ display:grid; gap:0.85rem; margin:1.5rem 0 2rem; }
.intro-copy ul li{ display:flex; align-items:flex-start; gap:0.75rem; color:var(--gray-700); }
.intro-copy ul li i{ color:var(--blue-600); margin-top:0.3rem; }
@media(max-width:991.98px){
  .intro-split{ grid-template-columns:1fr; }
  .intro-copy{ padding:2.75rem 1.5rem; }
  .intro-media{ min-height:320px; }
  .intro-media-badge{ right:1rem; }
}

/* ---------- Product Category Cards (Section 03) ---------- */
.product-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.75rem; }
@media(max-width:991.98px){ .product-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:575.98px){ .product-grid{ grid-template-columns:1fr; } }

.product-card{
  position:relative; overflow:hidden; background:var(--gray-900);
  aspect-ratio:4/5; display:flex; flex-direction:column; justify-content:flex-end;
}
.product-card img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  transition:transform var(--dur-lg) var(--ease); z-index:0;
}
.product-card::before{
  content:""; position:absolute; inset:0; z-index:1;
  background:linear-gradient(0deg, rgba(11,18,32,0.92) 10%, rgba(11,18,32,0.15) 62%, rgba(11,18,32,0.05) 100%);
}
.product-card:hover img{ transform:scale(1.08); }
.product-card-body{ position:relative; z-index:2; padding:1.75rem; }
.product-card-num{ font-family:var(--font-display); color:var(--gold); font-size:0.8rem; letter-spacing:0.15em; }
.product-card-body h3{ color:var(--white); font-size:1.35rem; margin:0.4rem 0 0.5rem; }
.product-card-body p{ color:rgba(255,255,255,0.72); font-size:0.9rem; margin-bottom:0.9rem; }
.product-card-body .link-arrow{ color:var(--white); }
.product-card-body .link-arrow:hover{ color:var(--gold); }

/* ---------- Why uPVC (Section 04) ---------- */
.benefit-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--gray-200); border:1px solid var(--gray-200); }
.benefit-item{ background:var(--white); padding:2.5rem 2rem; }
.benefit-num{ font-family:var(--font-display); color:var(--gray-200); font-size:2.6rem; font-weight:700; line-height:1; }
.benefit-item i{ color:var(--blue-600); font-size:1.6rem; margin:0.75rem 0 1rem; display:block; }
.benefit-item h3{ font-size:1.15rem; margin-bottom:0.5rem; }
.benefit-item p{ font-size:0.92rem; color:var(--gray-600); margin:0; }
@media(max-width:991.98px){ .benefit-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:575.98px){ .benefit-grid{ grid-template-columns:1fr; } }

/* ---------- Featured Product (Section 05) ---------- */
.featured-wrap{ display:grid; grid-template-columns:1.05fr 0.95fr; gap:3rem; align-items:center; }
.featured-media{ position:relative; }
.featured-media img{ width:100%; }
.featured-tag{
  position:absolute; top:-1rem; left:-1rem; background:var(--gold); color:var(--navy-950);
  padding:0.6rem 1.2rem; font-family:var(--font-display); font-weight:700; font-size:0.82rem; letter-spacing:0.05em;
}
.featured-copy ul{ display:grid; gap:0.9rem; margin:1.75rem 0 2rem; }
.featured-copy ul li{ display:flex; gap:0.75rem; align-items:flex-start; }
.featured-copy ul li i{ color:var(--success); margin-top:0.3rem; }
@media(max-width:991.98px){ .featured-wrap{ grid-template-columns:1fr; gap:2.5rem; } .featured-media{ order:-1; } }

/* ---------- Architecture Masonry (Section 06) ---------- */
.masonry-grid{ display:grid; grid-template-columns:1fr 1.3fr; grid-template-rows:auto auto; gap:1.25rem; }
.masonry-grid .m-tall{ grid-row:1 / 3; }
.masonry-grid img{ width:100%; height:100%; object-fit:cover; }
.masonry-grid .m-tall img{ min-height:520px; }
@media(max-width:767.98px){
  .masonry-grid{ grid-template-columns:1fr; }
  .masonry-grid .m-tall{ grid-row:auto; }
  .masonry-grid .m-tall img{ min-height:auto; }
}

/* ---------- Stats / Performance (Section 07) ---------- */
.stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:rgba(255,255,255,0.12); border:1px solid rgba(255,255,255,0.12); }
.stat-item{ padding:2.5rem 1.5rem; text-align:center; }
.stat-num{ font-family:var(--font-display); font-size:clamp(2.2rem,1.6rem+2vw,3.2rem); font-weight:700; color:var(--white); }
.stat-num span{ color:var(--gold); }
.stat-label{ color:rgba(255,255,255,0.65); font-size:0.85rem; letter-spacing:0.03em; margin-top:0.4rem; }
@media(max-width:767.98px){ .stats-grid{ grid-template-columns:repeat(2,1fr); } }

/* ---------- Process (Section 08) ---------- */
.process-row{ display:grid; grid-template-columns:repeat(5,1fr); gap:1.5rem; position:relative; }
.process-row::before{
  content:""; position:absolute; top:34px; left:8%; right:8%; height:1px;
  background:repeating-linear-gradient(90deg, var(--gray-200) 0 10px, transparent 10px 18px);
}
.process-step{ position:relative; text-align:left; }
.process-num{
  width:68px; height:68px; border-radius:50%; background:var(--white); border:1.5px solid var(--blue-700);
  color:var(--blue-700); display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:700; font-size:1.3rem; margin-bottom:1.3rem; position:relative; z-index:1;
}
.process-step:hover .process-num{ background:var(--blue-700); color:var(--white); }
.process-step h3{ font-size:1.05rem; margin-bottom:0.4rem; }
.process-step p{ font-size:0.88rem; color:var(--gray-600); margin:0; }
@media(max-width:991.98px){
  .process-row{ grid-template-columns:repeat(2,1fr); }
  .process-row::before{ display:none; }
}
@media(max-width:575.98px){ .process-row{ grid-template-columns:1fr; } }

/* ---------- Residential Full-width (Section 09) ---------- */
.residential-section{ position:relative; min-height:560px; display:flex; align-items:center; overflow:hidden; }
.residential-section img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.residential-overlay{ position:absolute; inset:0; background:linear-gradient(90deg, rgba(11,18,32,0.88) 0%, rgba(11,18,32,0.55) 55%, rgba(11,18,32,0.15) 100%); }
.residential-content{ position:relative; z-index:1; max-width:600px; color:var(--white); }
.residential-content .section-sub{ color:rgba(255,255,255,0.75); }
.residential-tags{ display:flex; flex-wrap:wrap; gap:0.6rem; margin:1.5rem 0 2rem; }
.residential-tags span{ border:1px solid rgba(255,255,255,0.35); padding:0.4rem 0.9rem; font-size:0.82rem; font-family:var(--font-display); }

/* ---------- Project Showcase (Section 10) ---------- */
.project-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
.project-card{ position:relative; overflow:hidden; aspect-ratio:1/1; }
.project-card img{ width:100%; height:100%; object-fit:cover; transition:transform var(--dur-lg) var(--ease); }
.project-card-overlay{
  position:absolute; inset:0; background:linear-gradient(0deg, rgba(11,18,32,0.9), rgba(11,18,32,0) 60%);
  display:flex; flex-direction:column; justify-content:flex-end; padding:1.5rem;
  opacity:0.92; transition:opacity var(--dur-sm) var(--ease);
}
.project-card:hover img{ transform:scale(1.06); }
.project-cat{ color:var(--gold); font-family:var(--font-display); font-size:0.72rem; letter-spacing:0.14em; text-transform:uppercase; }
.project-card h3{ color:var(--white); font-size:1.15rem; margin:0.3rem 0; }
.project-loc{ color:rgba(255,255,255,0.68); font-size:0.85rem; display:flex; align-items:center; gap:0.4rem; margin-bottom:0.6rem; }
.project-card .link-arrow{ color:var(--white); font-size:0.85rem; }
@media(max-width:767.98px){ .project-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:575.98px){ .project-grid{ grid-template-columns:1fr; } }

/* ---------- Quality & Trust (Section 11) ---------- */
.trust-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.75rem; }
.trust-card{ border:1px solid var(--gray-200); padding:2.25rem 1.75rem; transition:all var(--dur-sm) var(--ease); }
.trust-card:hover{ border-color:var(--blue-700); box-shadow:var(--shadow-md); transform:translateY(-4px); }
.trust-card i{ color:var(--blue-600); font-size:1.7rem; margin-bottom:1rem; display:block; }
.trust-card h3{ font-size:1.05rem; margin-bottom:0.5rem; }
.trust-card p{ font-size:0.88rem; color:var(--gray-600); margin:0; }
@media(max-width:991.98px){ .trust-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:575.98px){ .trust-grid{ grid-template-columns:1fr; } }

/* ---------- Testimonials (Section 12) ---------- */
.testimonial-track{ display:flex; overflow:hidden; }
.testimonial-slide{ min-width:100%; transition:none; }
.testimonial-card{
  background:var(--white); border:1px solid var(--gray-200); padding:2.5rem;
  max-width:760px; margin-inline:auto; text-align:center;
}
.testimonial-stars{ color:var(--gold); font-size:0.95rem; margin-bottom:1.25rem; }
.testimonial-quote{ font-family:var(--font-display); font-size:1.2rem; color:var(--gray-900); font-weight:500; margin-bottom:1.5rem; }
.testimonial-name{ font-weight:700; color:var(--gray-900); }
.testimonial-loc{ font-size:0.85rem; color:var(--gray-600); }
.testimonial-dots{ display:flex; justify-content:center; gap:0.6rem; margin-top:2rem; }
.testimonial-dots button{
  width:9px; height:9px; border-radius:50%; border:none; background:var(--gray-200); padding:0; cursor:pointer;
}
.testimonial-dots button.is-active{ background:var(--blue-700); width:24px; border-radius:5px; transition:all var(--dur-sm) var(--ease); }

/* ---------- FAQ (Section 13) ---------- */
.faq-accordion .accordion-item{ border:none; border-bottom:1px solid var(--gray-200); background:transparent; }
.faq-accordion .accordion-button{
  font-family:var(--font-display); font-weight:600; font-size:1.02rem; color:var(--gray-900);
  background:transparent; padding:1.5rem 0.5rem; box-shadow:none;
}
.faq-accordion .accordion-button:not(.collapsed){ color:var(--blue-700); }
.faq-accordion .accordion-button::after{ filter:none; }
.faq-accordion .accordion-body{ padding:0 0.5rem 1.5rem; color:var(--gray-600); }

/* ---------- CTA (Section 14) ---------- */
.cta-section{ position:relative; min-height:420px; display:flex; align-items:center; overflow:hidden; }
.cta-section img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.cta-overlay{ position:absolute; inset:0; background:linear-gradient(180deg, rgba(11,18,32,0.9), rgba(20,73,140,0.85)); }
.cta-content{ position:relative; z-index:1; text-align:center; max-width:680px; margin-inline:auto; color:var(--white); }
.cta-content .section-sub{ color:rgba(255,255,255,0.78); margin-inline:auto; }
.cta-actions{ display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; margin-top:2rem; }

/* ---------- Contact Section (Section 15 / contact page) ---------- */
.contact-grid{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:3rem; }
.contact-info-card{ background:var(--navy-950); color:var(--white); padding:3rem 2.5rem; height:100%; }
.contact-info-card .section-sub{ color:rgba(255,255,255,0.7); }
.contact-detail{ display:flex; gap:1rem; align-items:flex-start; padding:1.25rem 0; border-bottom:1px solid rgba(255,255,255,0.12); }
.contact-detail i{ color:var(--gold); font-size:1.15rem; margin-top:0.2rem; }
.contact-detail .label{ font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase; color:rgba(255,255,255,0.5); }
.contact-detail .value{ font-weight:600; }
.contact-social{ display:flex; gap:0.75rem; margin-top:1.5rem; }
.contact-social a{
  width:40px; height:40px; border:1px solid rgba(255,255,255,0.3); display:flex; align-items:center; justify-content:center;
}
.contact-social a:hover{ background:var(--gold); border-color:var(--gold); color:var(--navy-950); }
@media(max-width:991.98px){ .contact-grid{ grid-template-columns:1fr; } }

/* ---------- Forms ---------- */
.form-modern .form-label{ font-family:var(--font-display); font-weight:600; font-size:0.85rem; color:var(--gray-900); margin-bottom:0.4rem; }
.form-modern .form-control, .form-modern .form-select{
  border:1.5px solid var(--gray-200); border-radius:var(--radius-sm); padding:0.8rem 1rem;
  font-size:0.95rem; background:var(--white);
}
.form-modern .form-control:focus, .form-modern .form-select:focus{
  border-color:var(--blue-600); box-shadow:0 0 0 3px rgba(27,95,173,0.14);
}
.form-note{ font-size:0.8rem; color:var(--gray-400); margin-top:1rem; }
.form-success{ display:none; padding:1.25rem; background:var(--blue-50); border:1px solid var(--blue-600); color:var(--blue-800); font-weight:600; }
.form-success.is-visible{ display:block; }

/* ---------- Page Hero (inner pages) ---------- */
.page-hero{ position:relative; min-height:340px; display:flex; align-items:center; overflow:hidden; background:var(--navy-950); }
.page-hero img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:0.4; }
.page-hero::after{ content:""; position:absolute; inset:0; background:linear-gradient(90deg, rgba(11,18,32,0.95), rgba(11,18,32,0.55)); }
.page-hero-content{ position:relative; z-index:1; }
.page-hero-content h1{ color:var(--white); font-size:clamp(2rem,1.6rem+1.8vw,3rem); }
.breadcrumb-trail{ display:flex; gap:0.5rem; align-items:center; color:rgba(255,255,255,0.6); font-size:0.85rem; margin-top:1rem; }
.breadcrumb-trail a{ color:rgba(255,255,255,0.85); }
.breadcrumb-trail a:hover{ color:var(--gold); }

/* ---------- Generic content blocks reused across pages ---------- */
.icon-tile{
  width:56px; height:56px; background:var(--blue-50); color:var(--blue-700);
  display:flex; align-items:center; justify-content:center; font-size:1.4rem; margin-bottom:1.1rem;
}
.split-block{ display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:center; }
.split-block.reverse{ direction:rtl; }
.split-block.reverse > *{ direction:ltr; }
@media(max-width:991.98px){ .split-block, .split-block.reverse{ grid-template-columns:1fr; direction:ltr; } }

.feature-list li{ display:flex; gap:0.75rem; padding:0.7rem 0; border-bottom:1px dashed var(--gray-200); align-items:flex-start; }
.feature-list li i{ color:var(--blue-600); margin-top:0.3rem; }
.feature-list li:last-child{ border-bottom:none; }

.card-modern{ border:1px solid var(--gray-200); background:var(--white); padding:2rem; transition:all var(--dur-sm) var(--ease); }
.card-modern:hover{ box-shadow:var(--shadow-md); border-color:var(--blue-600); transform:translateY(-4px); }

/* Product overview page grid */
.product-overview-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:2rem; }
@media(max-width:991.98px){ .product-overview-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:575.98px){ .product-overview-grid{ grid-template-columns:1fr; } }
.product-overview-card{ border:1px solid var(--gray-200); overflow:hidden; display:flex; flex-direction:column; transition:all var(--dur-sm) var(--ease); }
.product-overview-card:hover{ box-shadow:var(--shadow-lg); }
.product-overview-card .media{ position:relative; overflow:hidden; aspect-ratio:4/3; }
.product-overview-card .media img{ width:100%; height:100%; object-fit:cover; transition:transform var(--dur-lg) var(--ease); }
.product-overview-card:hover .media img{ transform:scale(1.07); }
.product-overview-card .body{ padding:1.75rem; display:flex; flex-direction:column; flex:1; }
.product-overview-card .body h3{ font-size:1.2rem; margin-bottom:0.6rem; }
.product-overview-card .body p{ font-size:0.92rem; color:var(--gray-600); flex:1; }
.product-overview-card .tags{ display:flex; flex-wrap:wrap; gap:0.5rem; margin:0.75rem 0 1.25rem; }
.product-overview-card .tags span{ font-size:0.72rem; font-family:var(--font-display); font-weight:600; color:var(--blue-700); background:var(--blue-50); padding:0.3rem 0.65rem; }

/* Product detail pages */
.product-hero{ background:var(--blue-50); }
.product-hero-inner{ display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:center; }
@media(max-width:991.98px){ .product-hero-inner{ grid-template-columns:1fr; } }
.spec-table{ width:100%; border-collapse:collapse; }
.spec-table td{ padding:0.9rem 0; border-bottom:1px solid var(--gray-200); font-size:0.92rem; }
.spec-table td:first-child{ color:var(--gray-600); width:40%; }
.spec-table td:last-child{ font-weight:600; color:var(--gray-900); }
.application-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.25rem; }
@media(max-width:767.98px){ .application-grid{ grid-template-columns:repeat(2,1fr); } }
.application-item{ text-align:center; border:1px solid var(--gray-200); padding:1.75rem 1rem; }
.application-item i{ color:var(--blue-600); font-size:1.5rem; margin-bottom:0.75rem; display:block; }
.application-item span{ font-family:var(--font-display); font-weight:600; font-size:0.9rem; }

/* Gallery / Masonry page */
.gallery-filters{ display:flex; flex-wrap:wrap; gap:0.6rem; margin-bottom:2.5rem; }
.gallery-filters button{
  font-family:var(--font-display); font-weight:600; font-size:0.85rem; padding:0.6rem 1.3rem;
  border:1.5px solid var(--gray-200); background:var(--white); color:var(--gray-700); transition:all var(--dur-sm) var(--ease);
}
.gallery-filters button.is-active, .gallery-filters button:hover{ background:var(--blue-700); border-color:var(--blue-700); color:var(--white); }

.masonry-columns{ column-count:3; column-gap:1.25rem; }
.masonry-columns .g-item{ break-inside:avoid; margin-bottom:1.25rem; position:relative; overflow:hidden; cursor:pointer; }
.masonry-columns .g-item img{ width:100%; transition:transform var(--dur-md) var(--ease); }
.masonry-columns .g-item:hover img{ transform:scale(1.05); }
.g-item-overlay{
  position:absolute; inset:0; background:rgba(11,18,32,0.55); opacity:0; transition:opacity var(--dur-sm) var(--ease);
  display:flex; align-items:center; justify-content:center; color:var(--white); font-size:1.4rem;
}
.g-item:hover .g-item-overlay{ opacity:1; }
@media(max-width:991.98px){ .masonry-columns{ column-count:2; } }
@media(max-width:575.98px){ .masonry-columns{ column-count:1; } }

.project-filter-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; }
@media(max-width:991.98px){ .project-filter-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:575.98px){ .project-filter-grid{ grid-template-columns:1fr; } }
.pf-item{ transition:all var(--dur-md) var(--ease); }
.pf-item.is-hidden{ display:none; }

/* Lightbox */
.lightbox{ position:fixed; inset:0; background:rgba(11,18,32,0.94); z-index:1400; display:none; align-items:center; justify-content:center; padding:2rem; }
.lightbox.is-open{ display:flex; }
.lightbox img{ max-width:90vw; max-height:82vh; object-fit:contain; }
.lightbox-close{ position:absolute; top:1.5rem; right:1.5rem; width:44px; height:44px; border:1px solid rgba(255,255,255,0.4); background:transparent; color:var(--white); }
.lightbox-nav{ position:absolute; top:50%; transform:translateY(-50%); width:44px; height:44px; border:1px solid rgba(255,255,255,0.4); background:transparent; color:var(--white); }
.lightbox-prev{ left:1.5rem; } .lightbox-next{ right:1.5rem; }

/* ---------- Footer ---------- */
.site-footer{ background:var(--navy-950); color:rgba(255,255,255,0.68); }
.footer-top{ padding-block:5rem; display:grid; grid-template-columns:1.4fr 1fr 1fr 1.1fr; gap:2.5rem; }
.footer-brand img{ height:44px; margin-bottom:1.25rem; }
.footer-brand p{ font-size:0.92rem; max-width:320px; }
.footer-title{ color:var(--white); font-size:0.85rem; letter-spacing:0.12em; text-transform:uppercase; margin-bottom:1.4rem; }
.footer-links li{ margin-bottom:0.75rem; }
.footer-links a{ font-size:0.92rem; transition:color var(--dur-sm) var(--ease); }
.footer-links a:hover{ color:var(--gold); }
.footer-contact li{ display:flex; gap:0.7rem; margin-bottom:1rem; font-size:0.9rem; align-items:flex-start; }
.footer-contact i{ color:var(--gold); margin-top:0.2rem; }
.footer-social{ display:flex; gap:0.6rem; margin-top:1.5rem; }
.footer-social a{ width:38px; height:38px; border:1px solid rgba(255,255,255,0.2); display:flex; align-items:center; justify-content:center; }
.footer-social a:hover{ background:var(--gold); border-color:var(--gold); color:var(--navy-950); }
.footer-bottom{ border-top:1px solid rgba(255,255,255,0.1); padding-block:1.5rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:0.75rem; font-size:0.82rem; }
@media(max-width:991.98px){ .footer-top{ grid-template-columns:1fr 1fr; } }
@media(max-width:575.98px){ .footer-top{ grid-template-columns:1fr; padding-block:3rem; gap:2rem; } .footer-bottom{ flex-direction:column; text-align:center; } }

/* ---------- Scroll reveal ---------- */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity var(--dur-lg) var(--ease), transform var(--dur-lg) var(--ease); }
.reveal.is-visible{ opacity:1; transform:translateY(0); }
.reveal-delay-1{ transition-delay:0.08s; } .reveal-delay-2{ transition-delay:0.16s; } .reveal-delay-3{ transition-delay:0.24s; } .reveal-delay-4{ transition-delay:0.32s; }

/* Utility text colors */
.text-blue{ color:var(--blue-700); } .text-gold{ color:var(--gold); }
.bg-blue-solid{ background:var(--blue-700); color:var(--white); }
hr.hr-thin{ border:none; border-top:1px solid var(--gray-200); margin:0; }