/* ============ RESET & BASE ============ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0B2240;
  --navy-dark: #ffffff;
  --navy-mid: #eef4fb;
  --blue: #1B75BC;
  --blue-dark: #155F9A;
  --cyan: #1B75BC;
  --cyan-light: #2A8FD4;
  --orange: #FF8C42;
  --green: #1a8a3a;
  --text: #1a2e45;
  --text-muted: #4a6580;
  --text-dim: #7a95aa;
  --surface: #f0f5fb;
  --surface2: #e4eef8;
  --card: #ffffff;
  --border: rgba(27,117,188,0.2);
  --border-light: rgba(0,0,0,0.08);
  --font: 'Inter', system-ui, sans-serif;
  --font-head: 'Poppins', system-ui, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-glow: 0 0 32px rgba(27,117,188,0.1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--navy-dark);
  color: var(--text);
  line-height: 1.65;
  font-size: 15px;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 { font-family: var(--font-head); font-weight: 700; line-height: 1.2; color: var(--navy); }
/* Keep headings white inside the dark hero and footer */
.hero h1, .hero h2, .hero h3, .hero h4, .hero h5,
.hero-content h1 { color: #fff; }
.footer h1, .footer h2, .footer h3, .footer h4, .footer h5,
.footer-col h5 { color: #a8c4dc; }
.process h1, .process h2, .process h3, .process h4, .process h5 { color: #fff; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: var(--font); }
input, select, textarea { font-family: var(--font); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--cyan); }

/* ============ NAVBAR ============ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 24px;
  background: white;
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  transition: all 0.3s ease;
}
#navbar.scrolled {
  background: rgba(255,255,255,1);
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.logo { display: flex; align-items: center; }
.logo-img { height: 68px; width: auto; object-fit: contain; transition: opacity 0.2s; }
.logo-img:hover { opacity: 0.85; }
.footer-logo-img { height: 49px; filter: none; opacity: 1; margin-bottom: 14px; }

/* Office cards in contact section */
.office-cards { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.office-card {
  background: #eef5fc; border: 1px solid rgba(27,117,188,0.2);
  border-radius: var(--radius); padding: 16px 18px;
}
.office-title {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; font-weight: 700; color: var(--cyan);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px;
}
.office-addr { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 10px; }
.office-card .contact-item { margin-top: 6px; }
.office-card .contact-item a { color: var(--text-muted); font-size: 0.85rem; transition: color 0.2s; }
.office-card .contact-item a:hover { color: var(--cyan); }

/* WhatsApp button */
.whatsapp-btn {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(37,211,102,0.1); border: 1px solid rgba(37,211,102,0.3);
  color: #25D366; font-size: 0.875rem; font-weight: 600;
  padding: 11px 20px; border-radius: 50px;
  transition: all 0.25s;
}
.whatsapp-btn:hover { background: rgba(37,211,102,0.18); transform: translateY(-1px); }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-size: 0.875rem; font-weight: 500; color: #4a6175; transition: color 0.2s; }
.nav-links a:hover { color: var(--navy); }
.btn-nav {
  background: var(--cyan); color: #fff !important;
  padding: 9px 22px; border-radius: 50px; font-weight: 600;
  font-size: 0.85rem; transition: all 0.2s;
}
.btn-nav:hover { background: var(--blue-dark); transform: translateY(-1px); }

/* ============ NAV DROPDOWN ============ */
.nav-dropdown { position: relative; }
.nav-dropdown-toggle {
  display: flex; align-items: center; gap: 5px;
  cursor: pointer;
}
.nav-dropdown-toggle svg { transition: transform 0.2s; }
.nav-dropdown:hover .nav-dropdown-toggle svg { transform: rotate(180deg); }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: #fff;
  border: 1px solid rgba(0,0,0,0.09);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  min-width: 230px;
  padding: 6px 0;
  opacity: 0; visibility: hidden;
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  z-index: 200;
}
.nav-dropdown:hover .nav-dropdown-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-dropdown-menu a {
  display: block; padding: 10px 18px;
  font-size: 0.85rem; font-weight: 500; color: #4a6175;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.nav-dropdown-menu a:hover { background: var(--surface); color: var(--navy); }
.nav-dropdown-menu a.active { color: var(--blue); font-weight: 600; }
/* Divider arrow pointing up */
.nav-dropdown-menu::before {
  content: '';
  position: absolute; bottom: 100%; left: 50%;
  transform: translateX(-50%);
  border: 7px solid transparent;
  border-bottom-color: #fff;
  filter: drop-shadow(0 -2px 2px rgba(0,0,0,0.06));
}

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--navy); border-radius: 2px; transition: all 0.3s; }

/* ============ SECTIONS ============ */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-tag {
  display: inline-block;
  background: rgba(27,117,188,0.12); color: var(--cyan);
  border: 1px solid rgba(27,117,188,0.25);
  font-size: 0.75rem; font-weight: 600; letter-spacing: 1.5px;
  text-transform: uppercase; padding: 6px 16px; border-radius: 50px;
  margin-bottom: 16px;
}
.section-header h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); margin-bottom: 16px; }
.section-desc { color: var(--text-muted); max-width: 600px; margin: 0 auto; font-size: 1rem; }

/* ============ HERO ============ */
.hero {
  min-height: 100vh;
  background-color: var(--navy-dark);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex; align-items: center;
  padding: 100px 24px 60px;
  position: relative; overflow: hidden;
}
/* Dark overlay — slightly lighter so the split images show through */
.hero::before {
  content: '';
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg,
    rgba(6,21,40,0.80) 0%,
    rgba(9,32,53,0.72) 50%,
    rgba(6,21,40,0.78) 100%);
}
.hero > * { position: relative; z-index: 2; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-waves { position: absolute; bottom: 0; left: 0; right: 0; }

/* 50/50 split background */
.hero-split-bg {
  position: absolute; inset: 0;
  z-index: 0;
  display: flex;
  pointer-events: none;
}
.hero-split-left,
.hero-split-right {
  width: 50%; height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-split-left  { background-image: url('images/hero-etp.jpg'); }
.hero-split-right { background-image: url('images/hero-sludge.jpg'); }
/* Subtle centre seam gradient */
.hero-split-bg::after {
  content: '';
  position: absolute;
  left: calc(50% - 60px); top: 0;
  width: 120px; height: 100%;
  background: linear-gradient(to right,
    transparent,
    rgba(6, 21, 40, 0.55),
    transparent);
  z-index: 1;
}
.hero-waves svg { width: 100%; display: block; }

.particles { position: absolute; inset: 0; }
.particles span {
  position: absolute; width: 3px; height: 3px;
  background: var(--cyan); border-radius: 50%;
  opacity: 0; animation: particleFloat 8s infinite;
}
.particles span:nth-child(1)  { left: 10%; top: 20%; animation-delay: 0s;   animation-duration: 8s; }
.particles span:nth-child(2)  { left: 25%; top: 60%; animation-delay: 1.5s; animation-duration: 9s; }
.particles span:nth-child(3)  { left: 50%; top: 15%; animation-delay: 3s;   animation-duration: 7s; }
.particles span:nth-child(4)  { left: 70%; top: 70%; animation-delay: 0.8s; animation-duration: 10s; }
.particles span:nth-child(5)  { left: 85%; top: 30%; animation-delay: 2.5s; animation-duration: 8s; }
.particles span:nth-child(6)  { left: 40%; top: 80%; animation-delay: 4s;   animation-duration: 9s; }
.particles span:nth-child(7)  { left: 60%; top: 50%; animation-delay: 1s;   animation-duration: 7s; }
.particles span:nth-child(8)  { left: 90%; top: 80%; animation-delay: 5s;   animation-duration: 11s; }

@keyframes particleFloat {
  0%   { transform: translateY(0) scale(1); opacity: 0; }
  20%  { opacity: 0.8; }
  80%  { opacity: 0.4; }
  100% { transform: translateY(-80px) scale(0.5); opacity: 0; }
}

.hero-content { flex: 1; max-width: 620px; position: relative; z-index: 2; }
.hero-badge {
  display: inline-block;
  background: rgba(27,117,188,0.90); border: 1px solid rgba(255,255,255,0.35);
  color: #fff; font-size: 0.8rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 7px 18px; border-radius: 50px; margin-bottom: 24px;
}
.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.1; margin-bottom: 24px;
  background: linear-gradient(135deg, #fff 0%, #B8D9F0 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-content h1 .accent {
  background: linear-gradient(135deg, var(--cyan) 0%, #5BE8FF 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: 1.05rem; color: rgba(255,255,255,0.88);
  margin-bottom: 36px; max-width: 520px; line-height: 1.7;
}
.hero-ctas { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: linear-gradient(135deg, var(--cyan) 0%, #155F9A 100%);
  color: #fff; font-weight: 700; font-size: 0.95rem;
  padding: 14px 32px; border-radius: 50px;
  transition: all 0.3s; box-shadow: 0 8px 24px rgba(27,117,188,0.25);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(27,117,188,0.4); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  border: 2px solid rgba(27,117,188,0.5); color: var(--cyan);
  font-weight: 600; font-size: 0.95rem;
  padding: 12px 28px; border-radius: 50px;
  transition: all 0.3s;
}
.btn-outline:hover { background: rgba(27,117,188,0.1); border-color: var(--cyan); }

.hero-stats {
  display: flex; align-items: center; gap: 24px;
  background: rgba(255,255,255,0.1); backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2); border-radius: 16px;
  padding: 20px 28px; width: fit-content;
}
.stat { text-align: center; }
.stat-num { display: block; font-size: 1.6rem; font-weight: 800; color: #fff; font-family: var(--font-head); }
.stat-label { display: block; font-size: 0.72rem; color: rgba(255,255,255,0.82); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }
.stat-divider { width: 1px; height: 40px; background: rgba(255,255,255,0.2); }

.hero-visual {
  flex: 1; display: flex; justify-content: center; align-items: center;
  position: relative; z-index: 2; padding: 20px;
}
.hero-illustration {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-glow);
}

.scroll-down {
  position: absolute; bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  animation: bounce 2s infinite; opacity: 0.7; z-index: 2;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ============ ABOUT ============ */
.about { background: #fff; }

.about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px;
  align-items: start; margin-bottom: 80px;
}
.about-text .lead {
  font-size: 1.1rem; color: var(--navy); margin-bottom: 16px; line-height: 1.7;
}
.about-text p { color: var(--text-muted); margin-bottom: 16px; line-height: 1.7; }

.mission-box {
  display: flex; gap: 16px; align-items: flex-start;
  background: #eef5fc; border: 1px solid rgba(27,117,188,0.2);
  border-radius: var(--radius); padding: 20px; margin-top: 24px;
}
.mission-icon { flex-shrink: 0; margin-top: 2px; }
.mission-box h4 { color: var(--blue); font-size: 0.9rem; margin-bottom: 6px; }
.mission-box p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

.expertise-cards h3 { font-size: 1.1rem; margin-bottom: 20px; color: var(--text-muted); font-weight: 600; }
.expertise-list { display: flex; flex-direction: column; gap: 12px; }
.expertise-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: 10px; padding: 14px 16px;
  transition: all 0.25s;
}
.expertise-item:hover { background: rgba(27,117,188,0.06); border-color: var(--border); }
.exp-icon { display: flex; flex-shrink: 0; }
.expertise-item span { font-size: 0.9rem; color: var(--text); font-weight: 500; }

.why-strip { border-top: 1px solid var(--border-light); padding-top: 64px; }
.why-strip h3 { text-align: center; margin-bottom: 40px; font-size: 1.4rem; }
.why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.why-item {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: 12px;
  background: #fff; border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 24px 16px;
  transition: all 0.25s;
}
.why-item:hover { background: rgba(27,117,188,0.06); border-color: var(--border); transform: translateY(-4px); }
.why-icon { display: flex; }
.why-item span { font-size: 0.9rem; font-weight: 500; color: var(--text); }

/* ============ PRODUCTS ============ */
.products { background: var(--surface); }

.products-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.product-card {
  background: var(--card); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); overflow: hidden;
  position: relative; transition: all 0.3s;
  display: flex; flex-direction: column;
}
.product-card:hover {
  border-color: rgba(27,117,188,0.35);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 32px rgba(27,117,188,0.1);
  transform: translateY(-6px);
}
.product-card.featured {
  border-color: rgba(27,117,188,0.4);
  background: linear-gradient(145deg, #f0f6fc 0%, #e8f1fa 100%);
  box-shadow: 0 8px 32px rgba(27,117,188,0.12), 0 0 0 1px rgba(27,117,188,0.15);
}
.featured-badge {
  position: absolute; top: 12px; left: 12px; z-index: 3;
  background: linear-gradient(135deg, var(--blue) 0%, #155F9A 100%);
  color: #fff; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.5px; text-transform: uppercase;
  padding: 5px 14px; border-radius: 50px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

/* Product image wrapper */
.product-img-wrap {
  position: relative; width: 100%; height: 366px;
  overflow: hidden; background: #f0f4f8; flex-shrink: 0;
}
.product-img-wrap img {
  width: 100%; height: 100%; object-fit: contain;
  object-position: center; padding: 12px;
  background: white;
  transition: transform 0.4s ease;
}
.product-card:hover .product-img-wrap img { transform: scale(1.04); }

/* Placeholder for cards without real images */
.product-img-wrap.no-img { background: linear-gradient(135deg, #e8eef5 0%, #dae6f0 100%); }
.product-img-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px;
}
.product-img-placeholder span {
  font-size: 0.8rem; color: var(--text-dim);
  font-weight: 500; text-align: center; padding: 0 16px;
}

/* Tag positioned over image */
.product-img-wrap .product-tag {
  position: absolute; bottom: 12px; right: 12px; margin-top: 0;
  background: rgba(27,117,188,0.85); color: #fff;
  backdrop-filter: blur(6px);
  border-color: rgba(255,255,255,0.2);
  font-size: 0.68rem;
}

/* Product body (text area below image) */
.product-body { padding: 20px 22px; display: flex; flex-direction: column; flex: 1; }
.product-card h3 { font-size: 0.97rem; margin-bottom: 8px; line-height: 1.35; }
.product-card p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 14px; line-height: 1.65; flex-grow: 1; }
.product-features { margin-bottom: 14px; display: flex; flex-direction: column; gap: 5px; }
.product-features li {
  font-size: 0.8rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 8px;
}
.product-features li::before {
  content: ''; width: 5px; height: 5px;
  background: var(--blue); border-radius: 50%; flex-shrink: 0;
}
.product-specs-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--border-light); margin-top: auto;
}
.product-spec {
  display: flex; flex-direction: column;
  font-size: 0.78rem; padding: 8px 0;
}
.product-spec:first-child { padding-right: 12px; border-right: 1px solid var(--border-light); }
.product-spec:last-child  { padding-left: 12px; }
.spec-label { color: var(--text-dim); margin-bottom: 2px; }
.spec-value { color: var(--text); font-weight: 600; }
.product-detail-link {
  display: inline-block; margin-top: 14px;
  color: var(--cyan); font-weight: 600; font-size: 0.9rem;
  text-decoration: none; transition: color 0.2s, gap 0.2s;
}
.product-detail-link:hover { color: var(--navy); }
.product-tag {
  display: inline-block;
  background: rgba(27,117,188,0.1); color: var(--cyan);
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.5px;
  text-transform: uppercase; padding: 4px 12px; border-radius: 50px;
  border: 1px solid rgba(27,117,188,0.2);
}

/* ============ INDUSTRIES ============ */
.industries { background: #fff; }

.industries-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.industry-card {
  background: var(--card); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 24px 20px;
  transition: all 0.3s;
}
.industry-card:hover {
  border-color: rgba(27,117,188,0.3);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.industry-visual {
  width: 80px; height: 80px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.food-bev  { background: rgba(27,117,188,0.1); border: 1px solid rgba(27,117,188,0.2); }
.dairy     { background: rgba(21,101,168,0.15); border: 1px solid rgba(21,101,168,0.2); }
.pharma    { background: rgba(255,140,66,0.1); border: 1px solid rgba(255,140,66,0.2); }
.chemical  { background: rgba(200,50,50,0.1); border: 1px solid rgba(200,50,50,0.2); }
.pulp      { background: rgba(26,138,58,0.1); border: 1px solid rgba(26,138,58,0.2); }
.textile   { background: rgba(120,80,200,0.1); border: 1px solid rgba(120,80,200,0.2); }
.municipal { background: rgba(27,117,188,0.12); border: 1px solid rgba(27,117,188,0.2); }

.industry-card h3 { font-size: 1rem; margin-bottom: 12px; }
.industry-apps p { font-size: 0.78rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; font-weight: 600; }
.industry-apps ul { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.industry-apps li { font-size: 0.82rem; color: var(--text-muted); padding-left: 12px; position: relative; }
.industry-apps li::before { content: '–'; position: absolute; left: 0; color: var(--cyan); }
.industry-equip { display: flex; flex-wrap: wrap; gap: 6px; }
.industry-equip span {
  background: rgba(27,117,188,0.08); color: var(--cyan);
  font-size: 0.68rem; padding: 3px 10px; border-radius: 50px;
  border: 1px solid rgba(27,117,188,0.15); font-weight: 500;
}

/* ============ TECHNOLOGY ============ */
.technology { background: var(--surface); }

.tech-overview { margin-bottom: 60px; }
.tech-advantage-cards {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.tech-adv-item {
  background: var(--card); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 24px 20px; text-align: center;
}
.adv-meter { display: flex; flex-direction: column; align-items: center; gap: 8px; margin-bottom: 14px; }
.adv-bar {
  width: 100%; height: 6px; border-radius: 3px;
  position: relative; background: rgba(255,255,255,0.08);
}
.adv-bar::after {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  border-radius: 3px; background: var(--cyan);
}
.adv-bar.very-low::after { width: 15%; }
.adv-bar.low::after     { width: 20%; }
.adv-bar.high::after    { width: 90%; background: linear-gradient(90deg, var(--cyan), #5BE8FF); }
.adv-meter span { font-size: 0.78rem; color: var(--cyan); font-weight: 600; }
.tech-adv-item h4 { font-size: 0.95rem; margin-bottom: 8px; }
.tech-adv-item p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; }

.table-title { text-align: center; margin-bottom: 28px; font-size: 1.2rem; color: var(--text-muted); font-weight: 600; }
.table-wrapper { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }

.comparison-table { width: 100%; border-collapse: collapse; }
.comparison-table thead { background: rgba(27,117,188,0.08); }
.comparison-table th {
  padding: 14px 18px; text-align: left;
  font-size: 0.82rem; font-weight: 700;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
}
.comparison-table th.highlight-col { color: var(--cyan); }
.comparison-table td {
  padding: 12px 18px; font-size: 0.875rem; color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:nth-child(even) td { background: rgba(27,117,188,0.03); }
.comparison-table td:first-child { color: var(--text); font-weight: 500; }
.highlight-col { background: rgba(0,181,204,0.05); }
.highlight-col.good { color: var(--cyan) !important; font-weight: 600; }
.medium { color: #FFB347; }
.bad { color: #FF6B6B; }

.table-conclusion {
  display: flex; align-items: flex-start; gap: 12px;
  background: rgba(27,117,188,0.06); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-top: 24px;
}
.table-conclusion svg { flex-shrink: 0; margin-top: 2px; }
.table-conclusion p { font-size: 0.9rem; color: var(--text-muted); }
.table-conclusion strong { color: var(--text); }

/* ============ PROCESS FLOW ============ */
.process {
  background-color: var(--navy-dark);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  position: relative;
}
.process::before {
  content: '';
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg,
    rgba(13,33,56,0.96) 0%,
    rgba(6,21,40,0.94) 100%);
}
.process .container { position: relative; z-index: 1; }

.process-flow { display: flex; flex-direction: column; gap: 0; max-width: 800px; margin: 0 auto; }
.process-step {
  display: grid; grid-template-columns: 60px 60px 1fr 40px;
  gap: 20px; align-items: center;
  background: #ffffff; border: 1px solid rgba(27,117,188,0.18);
  border-radius: var(--radius); padding: 24px 28px; margin-bottom: 4px;
  transition: all 0.25s;
}
.process-step:hover { border-color: rgba(27,117,188,0.4); }
.process-step.final { margin-bottom: 0; border-color: rgba(27,117,188,0.4); background: #ffffff; }

.step-number { font-size: 0.7rem; font-weight: 800; color: var(--cyan); opacity: 0.6; letter-spacing: 1px; }
.step-icon { display: flex; justify-content: center; }
.step-content h3 { font-size: 1rem; margin-bottom: 6px; color: #1a2e45; }
.step-content p { font-size: 0.85rem; color: #4a6580; line-height: 1.55; margin-bottom: 10px; }
.step-equipment { display: flex; flex-wrap: wrap; gap: 6px; }
.step-equipment span {
  background: rgba(27,117,188,0.1); color: var(--cyan);
  font-size: 0.72rem; padding: 3px 10px; border-radius: 50px;
  border: 1px solid rgba(27,117,188,0.2); font-weight: 500;
}
.step-arrow { display: flex; justify-content: center; opacity: 0.5; }

.final-output {
  display: flex; align-items: center; gap: 6px; margin-top: 8px;
  font-size: 0.82rem; color: var(--cyan); font-weight: 600;
}

/* ============ ROI ============ */
.roi { background: #fff; }

.roi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-bottom: 64px; }

.roi-scenario, .roi-savings {
  background: var(--card); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 32px;
}
.roi-scenario h3, .roi-savings h3 { font-size: 1.1rem; margin-bottom: 24px; color: var(--text-muted); }

.scenario-box { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.scenario-stat {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.9rem; padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}
.sc-label { color: var(--text-muted); }
.sc-value { font-weight: 700; color: var(--navy); font-size: 1rem; }

.reduction-flow { display: flex; align-items: flex-end; gap: 16px; margin-bottom: 20px; }
.reduction-stage { display: flex; flex-direction: column; align-items: center; gap: 8px; flex: 1; }
.stage-bar { width: 100%; border-radius: 6px 6px 0 0; overflow: hidden; }
.bar-fill { width: 100%; height: 100%; }
.stage-label { font-size: 0.72rem; color: var(--text-muted); text-align: center; }
.stage-value { font-size: 0.85rem; font-weight: 700; color: #fff; }
.reduction-arrow { font-size: 1.2rem; color: var(--text-dim); padding-bottom: 30px; }

.total-reduction {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(27,117,188,0.1); border: 1px solid var(--border);
  border-radius: 10px; padding: 14px 18px;
}
.total-reduction span { font-size: 0.875rem; color: var(--text-muted); }
.total-reduction strong { font-size: 1.5rem; color: var(--cyan); font-family: var(--font-head); }

.savings-comparison {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 28px;
}

section.cta-strip {
    margin-bottom: 25px;
}
.savings-col { flex: 1; border-radius: 10px; padding: 18px; text-align: center; }
.savings-col.without { background: rgba(255,107,107,0.08); border: 1px solid rgba(255,107,107,0.2); }
.savings-col.with    { background: rgba(27,117,188,0.08); border: 1px solid rgba(27,117,188,0.25); }
.savings-col
{    background: rgba(27, 117, 188, 0.08);
    border: 1px solid rgba(27, 117, 188, 0.25);
  }
.savings-header { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; color: var(--text-muted); }
.wizwater-header { color: var(--cyan) !important; }
.savings-qty { font-size: 1.1rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.savings-cost { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 4px; }
.savings-daily { font-size: 1rem; font-weight: 700; }
.savings-col.without .savings-daily { color: #FF6B6B; }
.savings-col.with    .savings-daily { color: var(--cyan); }
.savings-vs { font-size: 0.8rem; font-weight: 700; color: var(--text-dim); }

.roi-stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.roi-stat {
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: 10px; padding: 14px; text-align: center;
}
.roi-stat.highlight {
  background: rgba(27,117,188,0.1); border-color: rgba(27,117,188,0.3);
}
.roi-stat-value { display: block; font-size: 1.2rem; font-weight: 800; color: var(--cyan); font-family: var(--font-head); }
.roi-stat-label { display: block; font-size: 0.72rem; color: var(--text-dim); margin-top: 4px; }

.roi-note {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem; color: var(--text-dim);
}

.key-messages { border-top: 1px solid var(--border-light); padding-top: 64px; }
.key-messages h3 { text-align: center; margin-bottom: 36px; font-size: 1.4rem; }
.km-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.km-card {
  background: var(--card); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 28px 20px; text-align: center;
  transition: all 0.3s;
}
.km-card:hover { border-color: rgba(27,117,188,0.3); transform: translateY(-4px); }
.km-icon { display: flex; justify-content: center; margin-bottom: 14px; }
.km-card h4 { font-size: 0.95rem; margin-bottom: 8px; }
.km-card p { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; }

/* ============ SPECS ============ */
.specs { background: var(--surface); }

.specs-table-wrapper { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
.specs-table { width: 100%; border-collapse: collapse; }
.specs-table thead { background: rgba(27,117,188,0.08); }
.specs-table th {
  padding: 14px 18px; text-align: left; font-size: 0.8rem;
  font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 2px solid var(--border);
}
.specs-table td { padding: 14px 18px; font-size: 0.875rem; color: var(--text-muted); border-bottom: 1px solid var(--border-light); }
.specs-table tr:last-child td { border-bottom: none; }
.specs-table tr:nth-child(even) td { background: rgba(27,117,188,0.04); }
.specs-table tr:hover td { background: rgba(27,117,188,0.06); }
.equip-name { color: var(--text) !important; font-weight: 600; }

/* ============ AFTER SALES ============ */
.aftersales { background: var(--surface); }

.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  background: var(--card); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 28px 22px; text-align: center;
  transition: all 0.3s;
}
.service-card:hover { border-color: rgba(27,117,188,0.3); transform: translateY(-4px); }
.service-icon { display: flex; justify-content: center; margin-bottom: 16px; }
.service-card h4 { font-size: 1rem; margin-bottom: 10px; }
.service-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* ============ CONTACT ============ */
.contact { background: #fff; }

.contact-wrapper { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.contact-info .section-tag { margin-bottom: 16px; }
.contact-info h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 20px; }
.contact-info > p { color: var(--text-muted); line-height: 1.7; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 14px; }
.contact-item { display: flex; align-items: center; gap: 12px; }
.ci-icon { display: flex; width: 30px; height: 30px; border-radius: 50%; background: rgba(27,117,188,0.1); border: 1px solid rgba(27,117,188,0.2); align-items: center; justify-content: center; flex-shrink: 0; }
.contact-item span { font-size: 0.875rem; color: var(--text-muted); }

.contact-form {
  background: var(--card); border: 1px solid var(--border-light);
  border-radius: var(--radius-lg); padding: 36px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--text-muted); margin-bottom: 7px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; background: #f8fafc;
  border: 1px solid rgba(0,0,0,0.12); border-radius: 8px;
  color: var(--text); font-size: 0.9rem; padding: 12px 14px;
  transition: border-color 0.2s; outline: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #aabccc; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: rgba(27,117,188,0.5); }
.form-group select { appearance: none; cursor: pointer; }
.form-group select option { background: #fff; color: var(--text); }
.form-group textarea { resize: vertical; min-height: 100px; }

.btn-submit {
  width: 100%; background: linear-gradient(135deg, var(--cyan) 0%, #155F9A 100%);
  color: #fff; font-weight: 700; font-size: 0.95rem;
  padding: 14px; border-radius: 8px; transition: all 0.3s;
  box-shadow: 0 6px 20px rgba(27,117,188,0.25);
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(27,117,188,0.35); }

.form-success {
  display: none; margin-top: 14px; text-align: center;
  color: var(--cyan); font-size: 0.9rem; font-weight: 600;
  background: rgba(27,117,188,0.1); border: 1px solid rgba(27,117,188,0.25);
  border-radius: 8px; padding: 12px;
}
.form-success.show { display: block; }
.form-error {
  display: none; margin-top: 14px; text-align: center;
  color: #c0392b; font-size: 0.9rem; font-weight: 600;
  background: rgba(192,57,43,0.08); border: 1px solid rgba(192,57,43,0.25);
  border-radius: 8px; padding: 12px;
}
.form-error.show { display: block; }

/* ============ FOOTER ============ */
.footer {
  background: #0B2240; border-top: 1px solid rgba(27,117,188,0.2);
  padding: 64px 24px 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { font-size: 0.875rem; color: #7a95aa; line-height: 1.65; max-width: 280px; margin-bottom: 18px; }

/* Social links */
.social-links { display: flex; gap: 10px; }
.social-btn {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; border-radius: 10px;
  background: rgba(27,117,188,0.1); border: 1px solid var(--border);
  color: var(--text-muted); transition: all 0.25s;
}
.social-btn:hover { background: var(--blue); color: #fff; border-color: var(--blue); transform: translateY(-2px); }
.social-btn svg { flex-shrink: 0; }
.footer-col h5 { font-size: 0.85rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.875rem; color: #7a95aa; transition: color 0.2s; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid rgba(27,117,188,0.15); padding-top: 28px; text-align: center;
}
.footer-bottom p { font-size: 0.8rem; color: #5a7590; }

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .industries-grid { grid-template-columns: repeat(3, 1fr); }
  .tech-advantage-cards { grid-template-columns: repeat(2, 1fr); }
  .km-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { flex-direction: column; text-align: center; }
  .hero-content { max-width: 100%; }
  .hero-ctas { justify-content: center; }
  .hero-stats { margin: 0 auto; }
  .hero-visual { width: 100%; }
  .hero-split-left,
  .hero-split-right { width: 100%; height: 50%; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .why-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: fixed; top: 68px; left: 0; right: 0; max-height: calc(100vh - 68px); background: #fff; padding: 24px; border-bottom: 1px solid rgba(0,0,0,0.08); box-shadow: 0 8px 24px rgba(0,0,0,0.1); gap: 16px; overflow-y: auto; -webkit-overflow-scrolling: touch; z-index: 999; }
  .nav-links.open { display: flex; }
  .nav-links > a { color: #4a6175; }
  .nav-links > a:hover { color: var(--navy); }
  /* Mobile dropdown */
  .nav-dropdown { width: 100%; position: static; }
  .nav-dropdown-toggle { width: 100%; justify-content: center; gap: 6px; }
  .nav-dropdown-menu {
    position: static !important;
    left: auto !important; top: auto !important;
    transform: none !important;
    opacity: 1 !important; visibility: visible !important;
    box-shadow: none; border: none; border-radius: 8px;
    background: var(--surface); padding: 0;
    max-height: 0; overflow: hidden; transition: max-height 0.35s ease;
    min-width: 0; width: 100%;
    margin-top: 6px;
  }
  .nav-dropdown-menu::before { display: none; }
  .nav-dropdown-menu.open { max-height: 600px; padding: 6px 0; }
  .nav-dropdown-menu a {
    padding: 11px 18px; font-size: 0.875rem;
    white-space: normal; word-break: break-word;
    display: block; width: 100%; box-sizing: border-box;
  }
  .hamburger { display: flex; }
  .section { padding: 70px 0; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .product-img-wrap { height: 170px; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-advantage-cards { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .roi-grid { grid-template-columns: 1fr; }
  .km-grid { grid-template-columns: 1fr 1fr; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .office-cards { gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; }
  .process-step { grid-template-columns: 50px 50px 1fr; }
  .step-arrow { display: none; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { width: 80%; height: 1px; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .industries-grid { grid-template-columns: 1fr; }
  .km-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .hero-illustration svg { width: 300px; }
  .product-img-wrap { height: 200px; }
}

/* ============ ANIMATIONS ============ */
.fade-in {
  opacity: 0; transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* ============ MULTI-PAGE: NAV ACTIVE STATE ============ */
.nav-links a.active,
.nav-dropdown-toggle.active {
  color: var(--blue);
  font-weight: 600;
}

/* ============ MULTI-PAGE: PAGE BANNER ============ */
.page-banner {
  background: linear-gradient(135deg, #e8f0f8 0%, #daeaf7 60%, #e8f0f8 100%);
  border-bottom: 1px solid rgba(27,117,188,0.15);
  padding: 120px 24px 60px;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(27,117,188,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.page-banner-content {
  max-width: 700px;
  position: relative; z-index: 1;
}
.page-banner-content h1 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  margin: 12px 0 16px;
  line-height: 1.15;
  color: var(--navy);
}
.page-banner-content p {
  color: var(--text-muted);
  font-size: 1rem; line-height: 1.7;
  max-width: 560px; margin-bottom: 20px;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--text-dim);
}
.breadcrumb a { color: var(--blue); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--blue-dark); }
.breadcrumb span { color: var(--text-dim); }

/* ============ HERO INFO PANEL — matches hero-stats glass style ============ */
.hero-info-panel {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 420px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hip-header {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; color: #fff;
  text-transform: uppercase; letter-spacing: 1px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.hip-metrics { display: flex; flex-direction: column; gap: 18px; margin-bottom: 24px; }
.hip-metric { display: flex; flex-direction: column; gap: 5px; }
.hip-metric-value {
  font-size: 1.45rem; font-weight: 800;
  color: #fff; font-family: var(--font-head);
  line-height: 1;
}
.hip-metric-label { font-size: 0.78rem; color: rgba(255,255,255,0.82); }
.hip-bar {
  height: 4px; background: rgba(255,255,255,0.2);
  border-radius: 2px; overflow: hidden; margin-top: 2px;
}
.hip-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue) 0%, #5BE8FF 100%);
  border-radius: 2px;
}
.hip-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.hip-tags span {
  font-size: 0.7rem; font-weight: 500; color: rgba(255,255,255,0.82);
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  padding: 4px 10px; border-radius: 50px;
}

/* ============ HOME: ABOUT STRIP ============ */
.home-about { background: #fff; }
.home-about-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: start;
}
.home-about-text .lead {
  font-size: 1.08rem; color: var(--navy); line-height: 1.7; margin-bottom: 14px;
}
.home-about-text p { color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
.home-about-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.home-about-right { display: flex; flex-direction: column; gap: 16px; }
.home-why-list { display: flex; flex-direction: column; gap: 10px; }
.home-why-item {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: 8px; padding: 12px 16px;
  font-size: 0.88rem; color: var(--text);
  transition: all 0.2s;
}
.home-why-item:hover { background: rgba(27,117,188,0.06); border-color: var(--border); }
.home-why-item svg { flex-shrink: 0; }

/* ============ HOME: FEATURED PRODUCTS ============ */
.home-products { background: var(--surface); }
.home-products-grid { grid-template-columns: repeat(3, 1fr); }

/* ============ HOME: INDUSTRIES STRIP ============ */
.home-industries { background: #fff; }
.industry-strip {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 12px;
  margin-bottom: 36px;
}
.industry-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(27,117,188,0.07); border: 1px solid var(--border);
  color: var(--text-muted); font-size: 0.875rem; font-weight: 500;
  padding: 10px 20px; border-radius: 50px;
  transition: all 0.25s;
}
.industry-chip:hover {
  background: rgba(27,117,188,0.15); border-color: var(--cyan);
  color: #fff; transform: translateY(-2px);
}
.industry-chip svg { flex-shrink: 0; }

/* ============ HOME: KEY BENEFITS ============ */
.home-benefits { background: var(--surface); }

/* ============ HOME: VIEW ALL WRAP ============ */
.view-all-wrap { text-align: center; margin-top: 44px; }

/* ============ HOME: CTA BANNER ============ */
.cta-banner {
  background: linear-gradient(135deg, #1B75BC 0%, #155F9A 100%);
  padding: 80px 24px;
}
.cta-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 40px;
  flex-wrap: wrap;
}
.cta-text h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 10px; color: #fff; }
.cta-text p { color: rgba(255,255,255,0.8); font-size: 1rem; max-width: 480px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.cta-banner .btn-primary {
  background: #fff; color: var(--blue) !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.cta-banner .btn-primary:hover { background: #f0f5ff; }
.cta-banner .whatsapp-btn { border-color: rgba(255,255,255,0.4); color: #fff; }
.cta-banner .whatsapp-btn svg path { fill: #fff; }

/* ============ ABOUT PAGE SECTIONS ============ */
.about-page { background: #fff; }
.why-page { background: var(--surface); }

/* ============ ROI: DARK BG SECTION ============ */
.dark-bg { background: var(--surface); }

/* ============ ROI: CALC GRID ============ */
.calc-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
  margin-bottom: 28px;
}
.calc-col {
  background: var(--card); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 28px;
}
.calc-col h4 { font-size: 1rem; margin-bottom: 18px; color: var(--text-muted); }
.calc-list { display: flex; flex-direction: column; gap: 0; }
.calc-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; border-bottom: 1px solid var(--border-light);
  font-size: 0.875rem;
}
.calc-list li:last-child { border-bottom: none; }
.calc-list li span { color: var(--text-muted); }
.calc-list li strong { color: #fff; font-weight: 700; }

.calc-highlight-box {
  display: flex; flex-wrap: wrap; gap: 0;
  background: rgba(27,117,188,0.08); border: 1px solid rgba(27,117,188,0.3);
  border-radius: var(--radius); overflow: hidden;
}
.calc-highlight-item {
  flex: 1; min-width: 160px;
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; text-align: center;
  padding: 24px 16px;
}
.calc-highlight-label {
  font-size: 0.75rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px;
}
.calc-highlight-value {
  font-size: 1.35rem; font-weight: 800;
  color: var(--cyan); font-family: var(--font-head);
}
.calc-highlight-divider {
  width: 1px; background: rgba(27,117,188,0.25); flex-shrink: 0;
}

/* ROI: Reduction flow bars */
.flow-stage { display: flex; flex-direction: column; align-items: center; gap: 8px; flex: 1; }
.flow-bar { width: 60px; border-radius: 6px 6px 0 0; }
.flow-label { font-size: 0.72rem; color: var(--text-muted); text-align: center; }
.flow-value { font-size: 0.85rem; font-weight: 700; color: #fff; }
.flow-arrow { display: flex; align-items: center; padding-bottom: 40px; }

/* ============ PRODUCT DETAIL PAGES ============ */
.product-detail-hero { background: #fff; }
.product-detail-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start;
}
.product-gallery { display: flex; flex-direction: column; gap: 12px; }
.product-gallery-main {
  width: 100%; border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border-light);
  background: #f0f4f8;
}
.product-gallery-main img { width: 100%; height: 340px; object-fit: contain; padding: 16px; cursor: zoom-in; transition: opacity 0.15s; }
.product-gallery-main img:hover { opacity: 0.9; }

/* ── Lightbox ── */
.img-lightbox {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: 2147483647; /* maximum possible z-index */
  background: rgba(4, 14, 28, 0.97);
  align-items: center; justify-content: center;
  cursor: zoom-out;
  isolation: isolate;
}
.img-lightbox.open { display: flex; }
.img-lightbox img {
  position: relative; z-index: 1;
  max-width: 88vw; max-height: 85vh;
  width: auto; height: auto;
  object-fit: contain; border-radius: 12px;
  background: #fff;
  box-shadow: 0 32px 80px rgba(0,0,0,0.7);
  pointer-events: none;
}
.img-lightbox-close {
  position: fixed; top: 20px; right: 24px;
  z-index: 2;
  background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  width: 48px; height: 48px; display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: #fff; font-size: 1.5rem; line-height: 1;
  transition: background 0.2s;
}
.img-lightbox-close:hover { background: rgba(255,255,255,0.3); }
.product-gallery-thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.product-gallery-thumbs img {
  width: 72px; height: 60px; object-fit: contain;
  border: 2px solid var(--border-light); border-radius: 8px;
  cursor: pointer; padding: 4px; background: #f0f4f8;
  transition: border-color 0.2s;
}
.product-gallery-thumbs img:hover,
.product-gallery-thumbs img.active { border-color: var(--blue); }

.product-detail-info .section-tag { margin-bottom: 10px; }
.product-detail-info h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); margin-bottom: 14px; }
.product-detail-info .lead {
  font-size: 1rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 24px;
}
.product-detail-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 28px;
}
.detail-meta-item {
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: 8px; padding: 12px 14px;
}
.detail-meta-label { font-size: 0.72rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px; }
.detail-meta-value { font-size: 0.92rem; font-weight: 700; color: var(--navy); }

/* Performance metrics strip */
.metrics-strip { background: var(--surface); }
.metrics-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
}
.metric-card {
  background: #fff; border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 20px 16px; text-align: center;
}
.metric-value { font-size: 1.3rem; font-weight: 800; color: var(--blue); font-family: var(--font-head); margin-bottom: 6px; }
.metric-label { font-size: 0.75rem; color: var(--text-muted); line-height: 1.4; }

/* Core advantages */
.advantages-section { background: #fff; }
.advantages-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.advantage-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 22px;
}
.advantage-icon {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  background: rgba(27,117,188,0.1); display: flex; align-items: center; justify-content: center;
}
.advantage-card h4 { font-size: 0.95rem; margin-bottom: 6px; }
.advantage-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; margin: 0; }

/* Process flow (product pages) */
.process-steps-light { background: var(--surface); }
.process-flow-light { display: flex; flex-direction: column; gap: 4px; max-width: 760px; margin: 0 auto; }
.pfl-step {
  display: grid; grid-template-columns: 40px 1fr;
  gap: 20px; align-items: center;
  background: #fff; border: 1px solid var(--border-light);
  border-radius: 10px; padding: 18px 22px;
}
.pfl-num {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--blue); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700; font-family: var(--font-head); flex-shrink: 0;
}
.pfl-text h4 { font-size: 0.95rem; margin-bottom: 3px; }
.pfl-text p { font-size: 0.83rem; color: var(--text-muted); margin: 0; }

/* Applications */
.applications-section { background: #fff; }
.app-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.app-tag {
  background: var(--surface); border: 1px solid rgba(27,117,188,0.2);
  color: var(--text-muted); font-size: 0.875rem; font-weight: 500;
  padding: 10px 20px; border-radius: 50px;
}

/* Business impact */
.impact-section { background: var(--surface); }
.impact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.impact-card {
  background: #fff; border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 24px 16px; text-align: center;
}
.impact-card h4 { font-size: 0.9rem; margin-bottom: 8px; color: var(--blue); }
.impact-card p { font-size: 0.82rem; color: var(--text-muted); margin: 0; line-height: 1.55; }

/* Comparison table (product pages) */
.comparison-section { background: var(--surface); }

/* Optional integrations */
.integrations-section { background: #fff; }
.integration-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.integration-tag {
  background: rgba(27,117,188,0.07); border: 1px solid rgba(27,117,188,0.2);
  color: var(--blue); font-size: 0.85rem; font-weight: 500;
  padding: 8px 18px; border-radius: 50px;
}

/* Process highlights (checkmark strip below process flow) */
.process-highlights {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 16px;
  margin-top: 32px;
}
.process-highlight-item {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid rgba(27,117,188,0.18);
  border-radius: 50px; padding: 10px 20px;
  font-size: 0.9rem; font-weight: 500; color: var(--text);
}

/* Why This Solution */
.why-solution-wrap { max-width: 640px; margin: 0 auto; text-align: center; }
.why-solution-wrap .section-header p { color: var(--text-muted); font-size: 1rem; margin-top: 6px; }
.why-solution-list {
  list-style: none; padding: 0; margin: 28px auto 0;
  display: flex; flex-direction: column; gap: 14px;
  text-align: left; max-width: 480px;
}
.why-solution-list li {
  display: flex; align-items: center; gap: 12px;
  font-size: 1rem; font-weight: 500; color: var(--text);
  background: var(--surface); border: 1px solid var(--border-light);
  border-radius: 10px; padding: 14px 18px;
}
.why-solution-list li svg { flex-shrink: 0; }

/* Product quote */
.product-quote {
  background: linear-gradient(135deg, #1B75BC 0%, #155F9A 100%);
  padding: 60px 24px; text-align: center;
}
.product-quote blockquote {
  font-size: clamp(1rem, 2vw, 1.35rem); color: rgba(255,255,255,0.9);
  font-style: italic; font-family: var(--font-head);
  max-width: 800px; margin: 0 auto 16px; line-height: 1.6;
}
.product-quote cite { font-size: 0.85rem; color: rgba(255,255,255,0.6); font-style: normal; }

/* Responsive for product pages */
@media (max-width: 1024px) {
  .metrics-grid { grid-template-columns: repeat(3, 1fr); }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
  .advantages-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .product-detail-grid { grid-template-columns: 1fr; }
  .product-detail-meta { grid-template-columns: 1fr 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .impact-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .impact-grid { grid-template-columns: 1fr; }
}

/* ============ RESPONSIVE: MULTI-PAGE ============ */
@media (max-width: 1024px) {
  .home-about-grid { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .calc-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .page-banner { padding: 100px 24px 48px; }
  .home-products-grid { grid-template-columns: 1fr 1fr; }
  .industry-chip { padding: 8px 16px; font-size: 0.82rem; }
  .calc-highlight-item { padding: 18px 12px; }
  .calc-highlight-value { font-size: 1.1rem; }
}

@media (max-width: 480px) {
  .page-banner-content h1 { font-size: 1.8rem; }
  .home-products-grid { grid-template-columns: 1fr; }
  .cta-text h2 { font-size: 1.4rem; }
  .calc-highlight-box { flex-direction: column; }
  .calc-highlight-divider { width: 100%; height: 1px; }
}