@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --navy: #0a1628;
  --ocean: #0c4a6e;
  --ocean-mid: #0369a1;
  --aqua: #22d3ee;
  --gold: #f59e0b;
  --gold-light: #fbbf24;
  --sand: #f8fafc;
  --white: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(10, 22, 40, 0.08);
  --shadow-lg: 0 20px 60px rgba(10, 22, 40, 0.15);
  --font: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-display: 'Fraunces', Georgia, serif;
  --header-h: 76px;
  --header-offset: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: var(--font); color: var(--text); background: var(--sand); line-height: 1.7; -webkit-font-smoothing: antialiased; overflow-x: hidden; padding-top: var(--header-offset); }
img { max-width: 100%; display: block; }
a { color: var(--ocean-mid); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold); }
.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* Top bar */
.top-bar {
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  padding: 8px 0;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.top-bar a { color: var(--aqua); }
.top-bar a:hover { color: var(--gold-light); }

/* Header */
.header-shell {
  position: fixed; top: 0; left: 0; right: 0; width: 100%;
  z-index: 1100;
}
.site-header {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.25s ease;
}
.header-shell.is-scrolled .site-header {
  box-shadow: 0 4px 24px rgba(10, 22, 40, 0.1);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.logo { flex-shrink: 0; display: flex; align-items: center; min-width: 0; }
.logo img {
  height: 52px; width: auto; max-width: min(260px, 48vw);
  object-fit: contain; object-position: left center;
}
.main-nav > ul { display: flex; list-style: none; gap: 4px; }
.main-nav a {
  padding: 8px 14px; font-weight: 600; font-size: 0.88rem; color: var(--text);
  border-radius: var(--radius-sm); transition: all 0.2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--ocean); background: #e0f2fe; }
.nav-item { position: relative; }
.nav-item .sub-menu {
  position: absolute; top: calc(100% + 8px); left: 0; min-width: 260px;
  background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-lg);
  padding: 8px; list-style: none; opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: all 0.25s; border: 1px solid var(--border);
}
.nav-item:hover .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.sub-menu a { display: block; font-size: 0.85rem; font-weight: 500; }
.header-cta .btn { padding: 10px 20px; font-size: 0.85rem; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; color: var(--text); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px;
  border-radius: 50px; font-weight: 700; font-size: 0.92rem; border: none;
  cursor: pointer; transition: all 0.25s; font-family: var(--font);
}
.btn-primary { background: linear-gradient(135deg, var(--gold) 0%, #ea580c 100%); color: var(--white); box-shadow: 0 4px 20px rgba(245,158,11,0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,158,11,0.45); color: var(--white); }
.btn-outline { background: transparent; border: 2px solid rgba(255,255,255,0.6); color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--ocean); border-color: var(--white); }
.btn-ocean { background: var(--ocean); color: var(--white); }
.btn-ocean:hover { background: var(--ocean-mid); color: var(--white); }

/* Hero Slider */
.hero-slider {
  position: relative; min-height: 92vh; color: var(--white); overflow: hidden;
}
.hero-slide {
  position: absolute; inset: 0; opacity: 0; visibility: hidden;
  transition: opacity 0.9s ease, visibility 0.9s;
  display: flex; align-items: center; overflow: hidden;
}
.hero-slide::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(105deg,
    rgba(10,22,40,0.55) 0%,
    rgba(12,74,110,0.28) 45%,
    rgba(10,22,40,0.15) 100%);
}
.hero-slide::after {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(10,22,40,0.45) 0%, transparent 40%);
}
.hero-slide.active {
  opacity: 1; visibility: visible; z-index: 2;
}
.hero-slide.active .hero-slide-bg {
  animation: heroKenBurns 14s ease-out forwards;
}
.hero-slide-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center;
  background-repeat: no-repeat;
  transform: scale(1); will-change: transform;
  min-height: 100%;
}
@keyframes heroKenBurns {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}
.hero-slider .hero-content {
  position: relative; z-index: 2; max-width: 720px; padding: 110px 0 90px;
}
.hero-slider .hero-content > * {
  opacity: 0; transform: translateY(24px);
  animation: heroFadeUp 0.8s ease forwards;
  animation-fill-mode: forwards;
}
.hero-slide.active .hero-tag { animation-delay: 0.1s; }
.hero-slide.active h1 { animation-delay: 0.25s; }
.hero-slide.active .hero-lead { animation-delay: 0.4s; }
.hero-slide.active .hero-actions { animation-delay: 0.55s; }
.hero-slide.active .hero-stats { animation-delay: 0.7s; }
.hero-slide:not(.active) .hero-content > * { animation: none; opacity: 0; transform: translateY(24px); }
@keyframes heroFadeUp {
  to { opacity: 1; transform: translateY(0); }
}
.hero-slider h1 {
  font-family: var(--font-display); font-size: clamp(2.5rem, 5.8vw, 4rem);
  line-height: 1.08; margin-bottom: 22px; font-weight: 700;
  text-shadow: 0 2px 24px rgba(0,0,0,0.35);
}
.hero-slider .hero-lead {
  font-size: 1.15rem; line-height: 1.75; margin-bottom: 34px; max-width: 560px;
  color: rgba(255,255,255,0.95);
  text-shadow: 0 1px 12px rgba(0,0,0,0.3);
}
.hero-controls {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; align-items: center; gap: 16px;
}
.hero-dot {
  width: 10px; height: 10px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.5);
  background: transparent; cursor: pointer; padding: 0; transition: all 0.2s;
}
.hero-dot.active { background: var(--gold); border-color: var(--gold); width: 28px; border-radius: 5px; }
.hero-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 48px; height: 48px; border-radius: 50%; border: none;
  background: rgba(255,255,255,0.12); color: var(--white); cursor: pointer; font-size: 1.4rem;
  backdrop-filter: blur(8px); transition: background 0.2s;
}
.hero-arrow:hover { background: rgba(255,255,255,0.25); }
.hero-prev { left: 20px; }
.hero-next { right: 20px; }

.hero-tag {
  display: inline-block; background: rgba(34,211,238,0.22); border: 1px solid rgba(34,211,238,0.5);
  color: #a5f3fc; padding: 8px 18px; border-radius: 50px; font-size: 0.82rem; font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 22px;
  box-shadow: 0 4px 20px rgba(34,211,238,0.15);
}
.hero h1 {
  font-family: var(--font-display); font-size: clamp(2.4rem, 5.5vw, 3.8rem);
  line-height: 1.1; margin-bottom: 20px; font-weight: 700;
}
.hero p { font-size: 1.1rem; opacity: 0.9; margin-bottom: 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex; gap: 40px; margin-top: 48px; padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.hero-stat strong { display: block; font-family: var(--font-display); font-size: 2.1rem; color: var(--gold-light); }
.hero-stat span { font-size: 0.85rem; opacity: 0.88; }

/* Trust strip */
.trust-strip {
  background: var(--navy); color: var(--white); padding: 28px 0;
  border-bottom: 3px solid var(--gold);
}
.trust-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
.trust-item strong { display: block; font-family: var(--font-display); font-size: 1.75rem; color: var(--gold-light); margin-bottom: 4px; }
.trust-item span { font-size: 0.88rem; opacity: 0.85; }

/* Pool types */
.pool-types { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pool-type {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px 22px; text-align: center; transition: transform 0.25s, box-shadow 0.25s;
}
.pool-type:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pool-type-icon { font-size: 2rem; margin-bottom: 12px; }
.pool-type h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 8px; }
.pool-type p { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }

/* Process steps */
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.process-step {
  position: relative; padding: 28px 24px; background: var(--white);
  border-radius: var(--radius); border: 1px solid var(--border);
}
.process-step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  display: block; font-family: var(--font-display); font-size: 2rem;
  color: var(--ocean); font-weight: 700; margin-bottom: 12px; opacity: 0.35;
}
.process-step h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 10px; }
.process-step p { font-size: 0.9rem; color: var(--muted); line-height: 1.65; }

/* Equipment grid */
.equip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.equip-card {
  display: flex; gap: 16px; align-items: flex-start; padding: 22px;
  background: var(--white); border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.equip-icon { font-size: 1.6rem; flex-shrink: 0; }
.equip-card h3 { font-size: 0.98rem; color: var(--navy); margin-bottom: 6px; }
.equip-card p { font-size: 0.86rem; color: var(--muted); line-height: 1.55; }

/* Region tags */
.region-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 20px; }
.region-tag {
  padding: 8px 18px; background: rgba(14,116,144,0.08); border: 1px solid rgba(14,116,144,0.2);
  border-radius: 50px; font-size: 0.88rem; font-weight: 600; color: var(--ocean);
}

/* Page hero */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--ocean) 100%);
  padding: 120px 0 64px; text-align: center; color: var(--white);
}
.page-hero h1 { font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 12px; }
.page-hero p { opacity: 0.8; max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
.breadcrumb { padding: 14px 0; font-size: 0.82rem; color: var(--muted); }
.breadcrumb a { color: var(--muted); }

/* Sections */
.section { padding: 80px 0; }
.section-alt { background: var(--white); }
.section-dark { background: var(--navy); color: var(--white); }
.section-header { text-align: center; margin-bottom: 52px; }
.section-header .label {
  display: inline-block; color: var(--ocean-mid); font-weight: 700; font-size: 0.78rem;
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px;
}
.section-dark .section-header .label { color: var(--aqua); }
.section-header h2 { font-family: var(--font-display); font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom: 12px; }
.section-header p { color: var(--muted); max-width: 580px; margin: 0 auto; }
.section-dark .section-header p { color: rgba(255,255,255,0.65); }

/* Feature cards */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 28px; transition: transform 0.25s, background 0.25s;
}
.feature:hover { transform: translateY(-4px); background: rgba(255,255,255,0.1); }
.feature-num { font-family: var(--font-display); font-size: 2.5rem; color: var(--gold); opacity: 0.4; line-height: 1; margin-bottom: 12px; }
.feature h3 { font-size: 1.05rem; margin-bottom: 8px; font-weight: 700; }
.feature p { font-size: 0.9rem; opacity: 0.8; line-height: 1.65; }

/* Service cards */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card {
  position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3;
  display: block; box-shadow: var(--shadow);
}
.service-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.service-card:hover img { transform: scale(1.07); }
.service-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,22,40,0.92) 0%, transparent 55%);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 24px; color: var(--white);
}
.service-card h3 { font-size: 1.1rem; font-weight: 700; }
.service-card span { font-size: 0.82rem; opacity: 0.8; margin-top: 4px; }

/* About split */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.split-img img { width: 100%; height: 420px; object-fit: cover; }
.split-content h2 { font-family: var(--font-display); font-size: 2rem; margin-bottom: 8px; color: var(--navy); }
.split-content .tag { color: var(--ocean-mid); font-weight: 700; font-size: 0.85rem; margin-bottom: 16px; }
.split-content p { color: var(--muted); margin-bottom: 14px; }
.check-list { list-style: none; margin: 20px 0 28px; }
.check-list li { padding: 6px 0 6px 28px; position: relative; color: var(--text); font-weight: 500; font-size: 0.95rem; }
.check-list li::before { content: '✓'; position: absolute; left: 0; color: var(--gold); font-weight: 700; }

/* Project cards */
.project-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 40px 0; }
.project-card {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 280px;
  display: flex; align-items: flex-end; box-shadow: var(--shadow-lg);
}
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.project-card:hover img { transform: scale(1.05); }
.project-card .pc-body {
  position: relative; z-index: 1; padding: 28px; width: 100%;
  background: linear-gradient(to top, rgba(10,22,40,0.95), transparent); color: var(--white);
}
.project-card .pc-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--aqua); margin-bottom: 6px; }
.project-card h3 { font-family: var(--font-display); font-size: 1.4rem; margin-bottom: 8px; }
.project-card p { font-size: 0.88rem; opacity: 0.85; }

/* Photo gallery */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.photo-item {
  border-radius: var(--radius-sm); overflow: hidden; cursor: pointer;
  aspect-ratio: 1; position: relative; background: #cbd5e1;
  min-height: 180px;
}
.photo-item img {
  width: 100%; height: 100%; object-fit: cover; object-position: center;
  display: block; min-height: 100%;
}
.photo-item:hover img { transform: scale(1.04); opacity: 0.9; }
.photo-item::after {
  content: '⊕'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: var(--white); background: rgba(10,22,40,0); transition: background 0.3s;
  opacity: 0;
}
.photo-item:hover::after { background: rgba(10,22,40,0.35); opacity: 1; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 9999; background: rgba(10,22,40,0.95);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all 0.3s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-sm); object-fit: contain; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; background: rgba(255,255,255,0.1); border: none; color: var(--white);
  width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center; transition: background 0.2s;
}
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 20px; }
.lightbox-next { right: 20px; }
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.25); }
.lightbox-counter { position: absolute; bottom: 24px; color: rgba(255,255,255,0.7); font-size: 0.9rem; }

/* Products */
.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); transition: transform 0.25s, box-shadow 0.25s; display: block; color: inherit;
}
.product:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); color: inherit; }
.product img { width: 100%; aspect-ratio: 1; object-fit: cover; background: #f1f5f9; }
.product-body { padding: 16px; }
.product-body h3 { font-size: 0.88rem; font-weight: 600; line-height: 1.4; margin-bottom: 8px; color: var(--text); }
.product-cta { font-size: 0.8rem; font-weight: 700; color: var(--ocean-mid); }
.product:hover .product-cta { color: var(--gold); }

/* Content block */
.prose { max-width: 760px; }
.prose h2 { font-family: var(--font-display); color: var(--navy); margin: 32px 0 14px; font-size: 1.5rem; }
.prose p { color: var(--muted); margin-bottom: 14px; }
.prose ul { margin: 12px 0 20px 20px; color: var(--muted); }
.prose li { margin-bottom: 6px; }

/* Contact */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; padding: 60px 0 80px; }
.info-card { background: var(--white); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.info-row { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.info-row:last-child { border-bottom: none; }
.info-icon {
  width: 44px; height: 44px; background: #e0f2fe; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
}
.info-row h4 { font-size: 0.78rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.info-row p, .info-row a { font-weight: 600; color: var(--text); font-size: 0.95rem; }
.form-card { background: var(--white); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.form-card h3 { font-family: var(--font-display); margin-bottom: 24px; color: var(--navy); }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 6px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 0.95rem; transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--ocean-mid); }
.form-group textarea { min-height: 120px; resize: vertical; }

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--ocean) 0%, var(--navy) 100%);
  padding: 64px 0; text-align: center; color: var(--white);
}
.cta h2 { font-family: var(--font-display); font-size: 1.9rem; margin-bottom: 12px; }
.cta p { opacity: 0.85; margin-bottom: 24px; }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,0.7); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand img {
  height: 48px; max-width: 220px; margin-bottom: 14px;
  object-fit: contain; background: rgba(255,255,255,0.95);
  padding: 8px 12px; border-radius: 8px;
}
.footer-brand p { font-size: 0.88rem; line-height: 1.7; }
.footer-col h4 { color: var(--white); font-size: 0.9rem; margin-bottom: 16px; font-weight: 700; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a { color: rgba(255,255,255,0.65); font-size: 0.88rem; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; font-size: 0.82rem; flex-wrap: wrap; gap: 12px; }
.fab-dock {
  position: fixed; bottom: 20px; right: 16px; z-index: 900;
  display: flex; flex-direction: column; gap: 10px;
}
.fab-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px 12px 14px; border-radius: 50px;
  color: var(--white); font-weight: 700; font-size: 0.88rem;
  box-shadow: 0 6px 24px rgba(10,22,40,0.22);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.fab-btn:hover { transform: translateY(-2px); color: var(--white); box-shadow: 0 10px 28px rgba(10,22,40,0.28); }
.fab-call { background: linear-gradient(135deg, var(--ocean) 0%, var(--ocean-mid) 100%); }
.fab-wa { background: linear-gradient(135deg, #25d366 0%, #128c7e 100%); }
.fab-btn svg { flex-shrink: 0; }
.back-top {
  position: fixed; bottom: 20px; left: 16px; width: 44px; height: 44px;
  background: var(--ocean); border: none; border-radius: 50%; color: var(--white);
  cursor: pointer; opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 900;
  display: flex; align-items: center; justify-content: center;
}
.back-top.show { opacity: 1; visibility: visible; }

/* Pagination */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 40px; }
.pager a, .pager span {
  width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); font-weight: 600; border: 1.5px solid var(--border); color: var(--text);
}
.pager a:hover { border-color: var(--ocean-mid); color: var(--ocean-mid); }
.pager .current { background: var(--ocean); color: var(--white); border-color: var(--ocean); }

/* FAQ */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 10px; overflow: hidden; background: var(--white); }
.faq-q {
  width: 100%; text-align: left; padding: 18px 20px; background: none; border: none;
  font-family: var(--font); font-weight: 700; font-size: 0.95rem; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--navy);
}
.faq-q::after { content: '+'; font-size: 1.2rem; color: var(--ocean-mid); flex-shrink: 0; }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-a-inner { padding: 0 20px 18px; color: var(--muted); font-size: 0.92rem; line-height: 1.7; }
.faq-item.open .faq-a { max-height: 400px; }

/* SEO content block */
.content-block { max-width: 820px; margin: 0 auto; }
.content-block h2 { font-family: var(--font-display); color: var(--navy); margin-bottom: 14px; font-size: 1.5rem; }
.content-block p { color: var(--muted); margin-bottom: 14px; }

/* Nav overlay mobile */
.nav-overlay {
  display: none; position: fixed; inset: 0; z-index: 1098;
  background: rgba(10, 22, 40, 0.5); opacity: 0; visibility: hidden; transition: all 0.3s;
}
.nav-overlay.open { opacity: 1; visibility: visible; }
body.menu-open,
body.lightbox-open { overflow: hidden; position: fixed; width: 100%; left: 0; right: 0; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 9999; background: rgba(10,22,40,0.96);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: all 0.3s;
}
.lightbox.open { opacity: 1; visibility: visible; }
.lightbox img { max-width: min(92vw, 1100px); max-height: 85vh; border-radius: var(--radius-sm); object-fit: contain; }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; background: rgba(255,255,255,0.12); border: none; color: var(--white);
  width: 48px; height: 48px; border-radius: 50%; cursor: pointer; font-size: 1.4rem;
}
.lightbox-close { top: 20px; right: 20px; }
.lightbox-prev { left: 16px; }
.lightbox-next { right: 16px; }
.lightbox-counter { position: absolute; bottom: 24px; color: rgba(255,255,255,0.75); font-size: 0.9rem; }

.gallery-section { margin-top: 56px; }
.gallery-section + .gallery-section { margin-top: 48px; }

/* Responsive */
@media (max-width: 1024px) {
  .features, .services { grid-template-columns: repeat(2, 1fr); }
  .products { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .pool-types, .process-steps { grid-template-columns: repeat(2, 1fr); }
  .equip-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .top-bar { display: none; }
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--white); }
  .menu-toggle { display: block; z-index: 1103; position: relative; }
  .header-cta { display: none; }
  .nav-overlay { display: block; }
  .main-nav {
    position: fixed; top: 0; right: 0; width: min(300px, 88vw);
    height: 100dvh; max-height: 100dvh;
    background: var(--white); padding: var(--header-offset) 16px 48px;
    transform: translateX(105%); transition: transform 0.3s ease;
    overflow-y: auto; overflow-x: hidden; z-index: 1101;
    box-shadow: -8px 0 40px rgba(10,22,40,0.18);
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > ul { flex-direction: column; gap: 0; padding-bottom: 32px; }
  .main-nav a { display: block; padding: 16px 14px; font-size: 1rem; border-bottom: 1px solid var(--border); }
  .nav-item .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: none; padding: 0 0 0 12px; display: none; margin-top: 4px;
  }
  .nav-item.open .sub-menu { display: block; }
  .photo-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .split, .contact-wrap, .project-cards { grid-template-columns: 1fr; }
  .features, .services, .products { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .pool-types, .process-steps, .equip-grid, .trust-grid { grid-template-columns: 1fr; }
  .hero-slider { min-height: 72vh; height: 72vh; }
  .hero-slide { min-height: 100%; }
  .hero-slide.active { min-height: 100%; }
  .hero-slide.active .hero-slide-bg { animation: none; transform: none; }
  .hero-slider .hero-content { padding: 64px 0 72px; }
  .hero-slider h1 { font-size: clamp(1.85rem, 7vw, 2.5rem); }
  .hero-slider .hero-lead { font-size: 1rem; margin-bottom: 24px; }
  .hero-stats { gap: 16px; flex-wrap: wrap; }
  .hero-arrow { display: none; }
  .logo img { height: 44px; max-width: min(200px, 55vw); }
  .fab-dock { bottom: 16px; right: 12px; }
  .fab-btn { padding: 11px 14px; font-size: 0.82rem; }
  .fab-btn span { display: none; }
  .fab-btn { width: 52px; height: 52px; padding: 0; border-radius: 50%; justify-content: center; }
  .section { padding: 56px 0; }
}