/*
Theme Name: KineAqua Industrial
Theme URI: https://citrisurf.com.vn
Author: KineAqua
Description: Theme hiện đại cho Công ty TNHH Thương Mại Công Nghiệp KineAqua - Chuyên gia xử lý bề mặt thép không gỉ CitriSurf®
Version: 2.0
License: GNU General Public License v2 or later
Text Domain: kineaqua
*/

/* ============================================================
   DESIGN TOKENS & CSS VARIABLES
   ============================================================ */
:root {
  /* Color Palette - Industrial Steel */
  --color-navy:       #0A1628;
  --color-navy-mid:   #112240;
  --color-navy-light: #1D3461;
  --color-steel:      #2C4A72;
  --color-steel-light:#4A7BA5;
  --color-cyan:       #00C8F0;
  --color-cyan-glow:  rgba(0, 200, 240, 0.15);
  --color-gold:       #E8A020;
  --color-silver:     #A8B8CC;
  --color-white:      #F0F4F8;
  --color-cream:      #FAFBFC;
  --color-red:        #C71E0B;

  /* Text Colors */
  --text-primary:   #0A1628;
  --text-secondary: #4A5568;
  --text-muted:     #718096;
  --text-on-dark:   #E2EAF4;
  --text-on-dark-muted: #8BA7C4;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Typography */
  --font-display: 'Open Sans', 'Times New Roman', serif;
  --font-heading: 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body:    'Nunito Sans', 'Helvetica Neue', sans-serif;
  --font-mono:    'Space Mono', monospace;

  /* Border Radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(10,22,40,0.12);
  --shadow-md:  0 8px 32px rgba(10,22,40,0.18);
  --shadow-lg:  0 20px 60px rgba(10,22,40,0.25);
  --shadow-cyan: 0 0 30px rgba(0,200,240,0.3);

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-max: 1200px;
  --sidebar-width: 280px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--color-cream);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-gold); }

img { max-width: 100%; height: auto; display: block; }

ul, ol { list-style: none; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--color-navy);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.8rem); }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }

.section-label {
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--color-navy);
  margin-top: var(--space-sm);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container-reveal{
  display: grid !important;
  grid-template-columns: 1fr 1fr !important;
  gap: 48px !important;
  align-items: start !important;
}
.product-detail-home { 
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

.section--dark {
  background: var(--color-navy);
  color: var(--text-on-dark);
}

.section--steel {
  background: var(--color-navy-mid);
  color: var(--text-on-dark);
}

.grid { display: grid; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  position: fixed;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 200, 240, 0.15);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  height: 64px;
  background: rgba(10, 22, 40, 0.98);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* Custom Logo Image */
.site-logo--image {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-logo--image a {
  display: flex;
  align-items: center;
}

.site-logo--image img {
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  filter: brightness(1);
  transition: opacity var(--transition-fast);
}

.site-logo--image img:hover {
  opacity: 0.85;
}

/* Logo */
.site-logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-brand {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-white);
  line-height: 1;
}

.logo-brand span { color: var(--color-cyan); }

.logo-tagline {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

/* Navigation */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.main-nav a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: var(--space-md);
  right: var(--space-md);
  height: 2px;
  background: var(--color-cyan);
  transform: scaleX(0);
  transition: transform var(--transition-fast);
}

.main-nav a:hover,
.main-nav .current-menu-item a {
  color: var(--color-white);
}

.main-nav a:hover::after,
.main-nav .current-menu-item a::after {
  transform: scaleX(1);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-fast);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--color-navy);
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 50%, rgba(0, 200, 240, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 80% at 10% 80%, rgba(29, 52, 97, 0.6) 0%, transparent 60%),
    linear-gradient(135deg, #0A1628 0%, #112240 50%, #0A1628 100%);
}

/* Animated grid lines */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 200, 240, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 200, 240, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(60px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 16px;
  background: rgba(0, 200, 240, 0.1);
  border: 1px solid rgba(0, 200, 240, 0.3);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-lg);
  animation: fadeInDown 0.8s ease forwards;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title em {
  font-style: normal;
  color: var(--color-cyan);
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-on-dark-muted);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  animation: fadeInUp 0.8s ease 0.4s both;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

/* Steel accent line */
.hero-accent {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 45%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
  opacity: 0.4;
}

/* Floating stats */
.hero-stats {
  position: absolute;
  right: var(--space-xl);
  bottom: var(--space-2xl);
  display: flex;
  gap: var(--space-xl);
  animation: fadeInRight 0.8s ease 0.8s both;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-cyan);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-top: 4px;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.btn--primary {
  background: var(--color-cyan);
  color: var(--color-navy);
  border-color: var(--color-cyan);
}
.btn--primary:hover {
  background: transparent;
  color: var(--color-cyan);
  box-shadow: var(--shadow-cyan);
}

.btn--outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.3);
}
.btn--outline:hover {
  border-color: var(--color-white);
  background: rgba(255,255,255,0.05);
  color: var(--color-white);
}

.btn--gold {
  background: var(--color-gold);
  color: var(--color-navy);
  border-color: var(--color-gold);
}
.btn--gold:hover {
  background: transparent;
  color: var(--color-gold);
}

/* ============================================================
   TOP BAR (Company Bar)
   ============================================================ */
.company-bar {
  background: var(--color-navy-mid);
  border-bottom: 1px solid rgba(0, 200, 240, 0.1);
  padding: 10px 0;
}

.company-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-on-dark-muted);
}

.company-name-bar {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.05em;
  font-size: 13px;
}

/* ============================================================
   ANNOUNCEMENT BANNER (red company name strip)
   ============================================================ */
.company-banner {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  border-left: 4px solid var(--color-red);
  padding: 14px var(--space-lg);
  margin-bottom: var(--space-lg);
}

.company-banner-name {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  margin-bottom: var(--space-2xl);
}

.section-header--center {
  text-align: center;
}

.section-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.section-divider--center {
  justify-content: center;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-steel-light), transparent);
}

.divider-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-cyan);
}

/* ============================================================
   PRODUCT CARDS
   ============================================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.product-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(10, 22, 40, 0.08);
  transition: all var(--transition-normal);
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-navy), var(--color-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.product-card:hover::before {
  transform: scaleX(1);
}

.product-card-image {
  position: relative;
  height: 200px;
  background: linear-gradient(135deg, var(--color-navy-mid), var(--color-steel));
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card-image img {
  transform: scale(1.08);
}

.product-card-image-placeholder {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: rgba(255,255,255,0.2);
  letter-spacing: 0.05em;
}

.product-card-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--color-cyan);
  color: var(--color-navy);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 100px;
}

.product-card-body {
  padding: var(--space-lg);
}

.product-card-category {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-sm);
}

.product-card-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.product-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.product-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-navy);
  transition: gap var(--transition-fast);
}

.product-card-link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.product-card:hover .product-card-link {
  gap: 12px;
  color: var(--color-cyan);
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.feature-card {
  padding: var(--space-xl);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(0, 200, 240, 0.12);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.feature-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(0,200,240,0.05) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  border-color: rgba(0, 200, 240, 0.35);
  transform: translateY(-4px);
}

.feature-card:hover::after { opacity: 1; }

.feature-icon {
  width: 52px;
  height: 52px;
  background: rgba(0, 200, 240, 0.12);
  border: 1px solid rgba(0, 200, 240, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-lg);
}

.feature-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.03em;
}

.feature-desc {
  font-size: 13px;
  color: var(--text-on-dark-muted);
  line-height: 1.7;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.page-layout {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
  align-items: start;
}

.sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-lg));
}

.sidebar-widget {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  border: 1px solid rgba(10,22,40,0.08);
  box-shadow: var(--shadow-sm);
}

.sidebar-widget-title {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-navy);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-cyan);
  margin-bottom: var(--space-md);
}

.sidebar-product-item {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(10,22,40,0.06);
  transition: all var(--transition-fast);
}

.sidebar-product-item:last-child { border-bottom: none; }

.sidebar-product-item:hover { transform: translateX(4px); }

.sidebar-product-img {
  width: 50px;
  height: 40px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-navy-mid);
  flex-shrink: 0;
}

.sidebar-product-name {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.sidebar-product-item:hover .sidebar-product-name {
  color: var(--color-cyan);
}

.sidebar-link-list li {
  border-bottom: 1px solid rgba(10,22,40,0.06);
}

.sidebar-link-list a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 0;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.sidebar-link-list a::before {
  content: '▸';
  color: var(--color-cyan);
  font-size: 10px;
  flex-shrink: 0;
}

.sidebar-link-list a:hover {
  color: var(--color-navy);
  padding-left: var(--space-sm);
}

/* ============================================================
   PAGE CONTENT AREAS
   ============================================================ */
.page-hero {
  background: var(--color-navy);
  padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,200,240,0.07) 0%, transparent 60%),
    linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-mid) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 12px;
  color: var(--text-on-dark-muted);
  margin-bottom: var(--space-md);
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.breadcrumb a { color: var(--color-cyan); }
.breadcrumb span { color: rgba(255,255,255,0.3); }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  color: var(--color-white);
  font-weight: 700;
}

.page-subtitle {
  margin-top: var(--space-sm);
  font-size: 16px;
  color: var(--text-on-dark-muted);
}

/* ============================================================
   CONTENT CARD
   ============================================================ */
.content-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(10,22,40,0.06);
}

.content-card h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.content-card h2::before {
  content: '';
  display: block;
  width: 4px;
  height: 24px;
  background: var(--color-cyan);
  border-radius: 2px;
}

.content-card p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
}

.about-brands {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.brand-item {
  background: var(--color-navy);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  border: 1px solid rgba(0,200,240,0.15);
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--color-cyan);
  margin-bottom: 4px;
}

.brand-desc {
  font-size: 12px;
  color: var(--text-on-dark-muted);
  line-height: 1.5;
}

/* ============================================================
   PRODUCT DETAIL PAGE
   ============================================================ */
.product-detail {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.product-detail-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(10,22,40,0.08);
}

.product-detail-meta {
  flex: 1;
}

.product-model {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.product-model sup {
  font-size: 1rem;
  color: var(--color-cyan);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-lg);
}

.specs-table th,
.specs-table td {
  padding: 12px var(--space-md);
  text-align: left;
  border-bottom: 1px solid rgba(10,22,40,0.07);
  font-size: 14px;
}

.specs-table th {
  background: var(--color-cream);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--color-navy);
  width: 35%;
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
  border-bottom: none;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-xl);
}

.contact-info {
  background: var(--color-navy);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  color: var(--text-on-dark);
  position: relative;
  overflow: hidden;
}

.contact-info::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(0,200,240,0.05);
  border: 1px solid rgba(0,200,240,0.1);
}

.contact-info-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--color-white);
  margin-bottom: var(--space-xl);
}

.contact-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  background: rgba(0,200,240,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: 4px;
}

.contact-item-value {
  font-size: 14px;
  color: var(--color-white);
  line-height: 1.6;
}

.contact-item-value a {
  color: var(--color-cyan);
}

.contact-form {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.form-control {
  width: 100%;
  padding: 12px var(--space-md);
  border: 1.5px solid rgba(10,22,40,0.12);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--color-cream);
  transition: all var(--transition-fast);
  outline: none;
}

.form-control:focus {
  border-color: var(--color-cyan);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0,200,240,0.1);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* ============================================================
   CERTIFICATIONS / TRUST
   ============================================================ */
.trust-bar {
  background: var(--color-cream);
  border-top: 1px solid rgba(10,22,40,0.08);
  border-bottom: 1px solid rgba(10,22,40,0.08);
  padding: var(--space-xl) 0;
}

.trust-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 13px;
  color: var(--text-secondary);
}

.trust-item-icon {
  width: 36px;
  height: 36px;
  background: var(--color-navy);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cyan);
  font-size: 1rem;
}

.trust-item-text strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy);
  font-size: 14px;
  letter-spacing: 0.03em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-navy);
  color: var(--text-on-dark);
  padding: var(--space-3xl) 0 0;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-cyan), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer-brand span { color: var(--color-cyan); }

.footer-tagline {
  font-size: 13px;
  color: var(--text-on-dark-muted);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.footer-contact-line {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 13px;
  color: var(--text-on-dark-muted);
  margin-bottom: var(--space-sm);
}

.footer-contact-line a {
  color: var(--color-cyan);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(0,200,240,0.2);
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-links a {
  font-size: 13px;
  color: var(--text-on-dark-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-links a::before {
  content: '›';
  color: var(--color-cyan);
}

.footer-links a:hover {
  color: var(--color-white);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-on-dark-muted);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-trademark {
  font-family: var(--font-heading);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--color-gold);
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================================
   BANNER SLIDER
   ============================================================ */
.banner-slider {
  position: relative;
  overflow: hidden;
  height: 220px;
  background: linear-gradient(135deg, var(--color-navy-mid), var(--color-steel));
  border-radius: var(--radius-lg);
}

.banner-slider-inner {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-slide {
  flex: 0 0 100%;
  height: 100%;
  object-fit: cover;
}

.banner-dots {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
}

.banner-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.banner-dot.active {
  background: var(--color-cyan);
  transform: scale(1.3);
}

/* ============================================================
   INDUSTRIES SECTION
   ============================================================ */
.industries-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.industry-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-md);
  background: rgba(0,200,240,0.05);
  border: 1px solid rgba(0,200,240,0.1);
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-on-dark);
  transition: all var(--transition-fast);
}

.industry-item:hover {
  background: rgba(0,200,240,0.12);
  border-color: rgba(0,200,240,0.3);
}

.industry-item::before {
  content: '◆';
  font-size: 6px;
  color: var(--color-cyan);
  flex-shrink: 0;
}

/* ============================================================
   HEALTH / ENVIRONMENT PAGE
   ============================================================ */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-lg);
}

.cert-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  border: 1px solid rgba(10,22,40,0.08);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.cert-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(0,200,240,0.3);
}

.cert-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.cert-name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.cert-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   CASES / TESTIMONIALS
   ============================================================ */
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.case-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(10,22,40,0.06);
  transition: all var(--transition-normal);
}

.case-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.case-card-image {
  height: 180px;
  background: var(--color-navy-mid);
  overflow: hidden;
}

.case-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover .case-card-image img {
  transform: scale(1.05);
}

.case-card-body {
  padding: var(--space-lg);
}

.case-card-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-sm);
}

.case-card-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .page-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-navy);
    padding: var(--space-lg);
    border-top: 1px solid rgba(0,200,240,0.15);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-normal);
    pointer-events: none;
  }

  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { font-size: 14px; padding: var(--space-md); }

  .menu-toggle { display: flex; }

  .hero-stats { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .industries-list { grid-template-columns: 1fr 1fr; }
  .about-brands { grid-template-columns: 1fr; }
  .trust-items { gap: var(--space-lg); }
	
.container-reveal {
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }
.product-detail-home {
    grid-template-columns: 1fr;
    gap: 24px;
  }
	.trust-items {
    flex-direction: column;
    gap: 16px;
    align-items: stretch; /* Full width */
  }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .industries-list { grid-template-columns: 1fr; }
  .content-card { padding: var(--space-lg); }
}