/* ============================================================
   PIXELLEDCOLORS - MAIN STYLESHEET
   Pushpalatha Creatives | Premium LED Display Solutions
   ============================================================ */

/* ---- CSS VARIABLES ---- */
:root {
  /* Cold primaries – electric sky blue */
  --primary: #0EA5E9;
  --primary-light: #38BDF8;
  --primary-dark: #0284C7;
  /* Warm accents – coral orange & bright gold */
  --secondary: #FF6B35;
  --secondary-light: #FF8C5A;
  --accent: #22D3EE;
  --accent-warm: #FFB800;
  /* Backgrounds – light theme */
  --dark: #FFFFFF;
  --dark-2: #F0F7FF;
  --dark-3: #E4F1FD;
  --dark-4: #D6E9FA;
  /* Text – dark for light bg */
  --text-primary: #0C1A2E;
  --text-secondary: #1E3A5F;
  --text-muted: #64748B;
  /* Borders */
  --border: rgba(14, 165, 233, 0.2);
  --border-hover: rgba(14, 165, 233, 0.5);
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(14, 165, 233, 0.18);
  /* Glows / shadows */
  --glow-blue: rgba(14, 165, 233, 0.25);
  --glow-strong: rgba(14, 165, 233, 0.35);
  --glow-warm: rgba(255, 107, 53, 0.25);
  --success: #059669;
  --error: #DC2626;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Outfit', sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 4px 24px rgba(14, 165, 233, 0.1), 0 1px 4px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 24px rgba(14, 165, 233, 0.22);
  --shadow-glow-strong: 0 0 40px rgba(14, 165, 233, 0.32);
  --shadow-warm: 0 0 24px rgba(255, 107, 53, 0.22);
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--dark-2);
}
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-light);
}

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

h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 1.8rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h5 { font-size: 1.1rem; }
h6 { font-size: 0.95rem; }

p {
  color: var(--text-muted);
  line-height: 1.7;
}

/* ---- UTILITY CLASSES ---- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding {
  padding: 100px 0;
}

.section-padding-sm {
  padding: 60px 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.gradient-text {
  background: linear-gradient(135deg, #38BDF8 0%, #0EA5E9 45%, #FF6B35 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #FFB800, #FF6B35);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #D95A1E;
  background: rgba(255, 107, 53, 0.1);
  border: 1px solid rgba(255, 107, 53, 0.3);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 60px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #38BDF8, #0EA5E9, #FF6B35);
  margin: 20px auto;
  border-radius: 2px;
}

.divider-left {
  margin: 20px 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
  opacity: 0;
  transition: var(--transition);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, #FF6B35, #FF8C5A);
  color: white;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.45);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 107, 53, 0.6);
}

.btn-secondary {
  background: transparent;
  color: #38BDF8;
  border: 2px solid rgba(56, 189, 248, 0.55);
}

.btn-secondary:hover {
  background: rgba(14, 165, 233, 0.12);
  border-color: #38BDF8;
  box-shadow: var(--shadow-glow);
  color: white;
  transform: translateY(-2px);
}

.btn-gold {
  background: linear-gradient(135deg, #FFB800, #FF6B35);
  color: var(--dark);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 184, 0, 0.5);
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 18px 40px;
  font-size: 1.1rem;
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

/* ---- NAVIGATION ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.navbar.scrolled {
  background: rgba(10, 10, 20, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 10px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1;
}

.nav-logo-img {
  height: 52px;
  width: auto;
  display: block;
  border-radius: 50%;
  transition: var(--transition);
  flex-shrink: 0;
}

.nav-logo-img:hover {
  transform: scale(1.05);
  filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.5));
}

.nav-logo-name {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #FFFFFF;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  background: none;
  -webkit-text-fill-color: #FFFFFF;
  position: relative;
}

.navbar.scrolled .nav-logo-name {
  color: #ffffff;
  -webkit-text-fill-color: #ffffff;
  text-shadow: none;
}

.nav-logo-tagline {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--secondary);
  font-weight: 500;
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #F5F5F0 !important;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.8);
}

.nav-link:hover, .nav-link.active {
  color: #F5F5F0 !important;
  background: rgba(255, 255, 255, 0.12);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary-light);
  transform: scaleX(0);
  transition: var(--transition);
  border-radius: 1px;
}

.nav-link:hover::after, .nav-link.active::after {
  transform: scaleX(1);
}

/* Dropdown */
.nav-item-dropdown {
  position: relative;
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-10px);
  transition: var(--transition);
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.12), 0 2px 8px rgba(0,0,0,0.08);
}

.nav-item-dropdown:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-link {
  display: block;
  padding: 10px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-family: var(--font-heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-dropdown-link:hover {
  color: var(--primary-dark);
  background: rgba(14, 165, 233, 0.08);
  padding-left: 22px;
}

.nav-dropdown-arrow {
  display: inline-block;
  margin-left: 4px;
  font-size: 0.75rem;
  transition: var(--transition);
}

.nav-item-dropdown:hover .nav-dropdown-arrow {
  transform: rotate(180deg);
}

.nav-cta {
  margin-left: 8px;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 24px;
  justify-content: center;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
  background: linear-gradient(135deg, #020D1A 0%, #091425 50%, rgba(14,165,233,0.12) 100%);
}

.hero-video-bg video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 177.78vh;
  height: 100vh;
  min-width: 100%;
  min-height: 56.25vw;
  transform: translate(-50%, -50%);
  object-fit: cover;
  pointer-events: none;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(2, 13, 26, 0.78) 0%,
    rgba(5, 15, 28, 0.52) 50%,
    rgba(255, 107, 53, 0.08) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 80px;
  color: #FFFFFF;
  opacity: 1 !important;
  transform: none !important;
}

.hero-content h1,
.hero-content .hero-stat-text {
  color: #FFFFFF;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 165, 233, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.45);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #38BDF8;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease both;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--secondary);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: 0.03em;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease 0.1s both;
  max-width: 800px;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 40px;
  animation: fadeInUp 0.6s ease 0.2s both;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 60px;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 12px 20px;
  border-radius: var(--radius);
}

.hero-stat-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #0EA5E9, #FF6B35);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.hero-stat-text {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- PAGE HERO (sub-pages) ---- */
.page-hero {
  position: relative;
  padding: 160px 0 80px;
  background: linear-gradient(135deg, #EBF5FE 0%, #FFF4EE 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

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

.page-hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 16px;
  color: #ffffff;
}

.page-hero-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

.page-hero-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.page-hero-breadcrumb a {
  color: var(--primary-light);
}

.page-hero-breadcrumb a:hover {
  color: var(--text-primary);
}

/* ---- GLASS CARDS ---- */
.glass-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.glass-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.16);
  transform: translateY(-4px);
}

/* ---- FEATURE CARDS ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #38BDF8, #0EA5E9, #FF6B35);
  transform: scaleX(0);
  transition: var(--transition);
}

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

.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 8px 32px rgba(14, 165, 233, 0.18);
  transform: translateY(-6px);
  background: #FFFFFF;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(255, 107, 53, 0.1));
  border: 1px solid rgba(56, 189, 248, 0.3);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.35), rgba(255, 107, 53, 0.2));
  box-shadow: 0 0 20px rgba(14, 165, 233, 0.35);
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.feature-value {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #38BDF8, #FF6B35);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

/* ---- PRODUCT CARDS ---- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.product-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
}

.product-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 40px rgba(14, 165, 233, 0.18), 0 2px 8px rgba(0,0,0,0.06);
  transform: translateY(-6px);
}

.product-card-visual {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(255, 107, 53, 0.06));
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.product-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-img {
  transform: scale(1.06);
}

.product-card-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(14, 165, 233, 0.1));
  transition: var(--transition);
}

.product-card:hover .product-card-visual::after {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(14, 165, 233, 0.22));
}

.product-card-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 12px;
}

.badge-indoor {
  background: rgba(14, 165, 233, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38BDF8;
}

.badge-outdoor {
  background: rgba(34, 211, 238, 0.15);
  border: 1px solid rgba(34, 211, 238, 0.4);
  color: #22D3EE;
}

.badge-rental {
  background: rgba(255, 184, 0, 0.15);
  border: 1px solid rgba(255, 184, 0, 0.4);
  color: #FFB800;
}

.badge-special {
  background: rgba(255, 107, 53, 0.15);
  border: 1px solid rgba(255, 107, 53, 0.4);
  color: #FF8C5A;
}

.badge-kiosk {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #EF4444;
}

.product-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--text-primary);
  font-family: var(--font-heading);
}

.product-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  flex: 1;
}

.product-specs-preview {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.spec-chip {
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #38BDF8;
  font-family: var(--font-heading);
  letter-spacing: 0.03em;
}

.spec-chip.chip-gold {
  background: rgba(255, 184, 0, 0.1);
  border-color: rgba(255, 184, 0, 0.3);
  color: #FFB800;
}

.spec-chip.chip-cyan {
  background: rgba(34, 211, 238, 0.1);
  border-color: rgba(34, 211, 238, 0.3);
  color: #22D3EE;
}

/* ---- CATEGORY CARDS ---- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.category-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-card);
}

.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #38BDF8, #0EA5E9, #FF6B35);
  transform: scaleX(0);
  transition: var(--transition);
}

.category-card:hover::after {
  transform: scaleX(1);
}

.category-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 12px 36px rgba(14, 165, 233, 0.16);
  transform: translateY(-6px);
  background: #F8FBFF;
}

.category-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.18), rgba(255, 107, 53, 0.1));
  border: 1px solid rgba(56, 189, 248, 0.28);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  transition: var(--transition);
}

.category-card:hover .category-icon {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.32), rgba(255, 107, 53, 0.22));
  box-shadow: 0 0 28px rgba(14, 165, 233, 0.35);
}

.category-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.category-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.category-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.category-link {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.category-link:hover {
  color: var(--accent);
  gap: 10px;
}

/* ---- STATS SECTION ---- */
.stats-section {
  background: linear-gradient(135deg, #EBF5FE, #FFF3EE);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid rgba(255, 107, 53, 0.15);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
}

.stat-item {
  text-align: center;
  padding: 60px 32px;
  border-right: 1px solid var(--border);
  transition: var(--transition);
}

.stat-item:last-child {
  border-right: none;
}

.stat-item:hover {
  background: rgba(14, 165, 233, 0.06);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  background: linear-gradient(135deg, #38BDF8, #0EA5E9, #FF6B35);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

/* ---- CATALOGUE PRODUCT IMAGES ---- */
.catalogue-img-wrap {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.catalogue-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* ---- SPEC TABLES ---- */
.spec-section {
  margin-bottom: 80px;
}

.spec-section-header {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 40px;
}

.spec-section-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 700;
  color: rgba(14, 165, 233, 0.25);
  line-height: 1;
  flex-shrink: 0;
}

.spec-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow-card);
}

.spec-card-header {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08), rgba(255, 107, 53, 0.05));
  border-bottom: 1px solid var(--border);
  padding: 20px 28px;
}

.spec-card-header h3 {
  font-size: 1.2rem;
  color: var(--text-primary);
}

.spec-card-header p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

.spec-table-wrapper {
  overflow-x: auto;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.spec-table th {
  background: rgba(14, 165, 233, 0.07);
  color: var(--primary-dark);
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.8rem;
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.spec-table td {
  padding: 14px 20px;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(14, 165, 233, 0.08);
  vertical-align: top;
}

.spec-table tr:last-child td {
  border-bottom: none;
}

.spec-table tr:hover td {
  background: rgba(14, 165, 233, 0.04);
  color: var(--text-primary);
}

.spec-table td:first-child {
  color: var(--text-primary);
  font-weight: 600;
  font-family: var(--font-heading);
  white-space: nowrap;
}

.spec-table .highlight-col {
  color: var(--primary-light);
  font-weight: 600;
}

/* ---- FEATURES LIST ---- */
.features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.feature-item::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.4);
  border-radius: 50%;
  color: var(--primary-light);
  font-size: 0.75rem;
  flex-shrink: 0;
  font-weight: 700;
}

/* ---- TABS ---- */
.tabs-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 48px;
  padding: 8px;
  background: #EDF4FC;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  justify-content: center;
}

.tab-btn {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 10px 24px;
  border-radius: var(--radius);
  color: var(--text-secondary);
  transition: var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.tab-btn:hover {
  color: var(--primary-dark);
  background: rgba(14, 165, 233, 0.1);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeInUp 0.4s ease;
}

/* ---- CONTACT FORM ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.contact-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.contact-card-icon {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(255, 107, 53, 0.08));
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 16px;
}

.contact-card h3 {
  font-size: 1rem;
  font-family: var(--font-heading);
  margin-bottom: 12px;
  color: var(--text-primary);
}

.contact-card p, .contact-card a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 4px;
}

.contact-card a:hover {
  color: var(--primary-light);
}

.enquiry-form {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid .form-group.full-width {
  grid-column: 1 / -1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-group label .required {
  color: var(--error);
  margin-left: 4px;
}

.form-control {
  width: 100%;
  background: #F8FBFF;
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.12);
}

.form-control::placeholder {
  color: #94A3B8;
}

select.form-control option {
  background: #FFFFFF;
  color: var(--text-primary);
}

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

.form-success {
  display: none;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  color: #10B981;
  font-weight: 600;
  margin-top: 20px;
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.4s ease;
}

/* ---- CTA SECTION ---- */
.cta-section {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.08) 0%, rgba(255, 107, 53, 0.06) 100%);
  border-top: 1px solid rgba(14, 165, 233, 0.15);
  border-bottom: 1px solid rgba(14, 165, 233, 0.15);
}

.cta-card {
  background: linear-gradient(135deg, #EBF5FE, #FFF4EE);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--radius-xl);
  padding: 70px 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(14, 165, 233, 0.1);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card::after {
  content: '';
  position: absolute;
  bottom: -30%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.14) 0%, transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-card p {
  max-width: 600px;
  margin: 0 auto 40px;
  font-size: 1.1rem;
  position: relative;
  z-index: 1;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* ---- ABOUT PAGE ---- */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, #38BDF8, #0EA5E9, #FF6B35);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

.timeline-dot {
  position: absolute;
  left: -32px;
  top: 6px;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid var(--dark);
  box-shadow: 0 0 10px rgba(37, 99, 235, 0.5);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.timeline-item h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--text-primary);
}

/* ---- PROJECT GALLERY ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.project-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: var(--transition);
}

.project-card:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-glow-strong);
}

.project-visual {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
}

.project-card:nth-child(1) .project-visual {
  background: linear-gradient(135deg, #030918, #0d1f4a, #2563EB);
}
.project-card:nth-child(2) .project-visual {
  background: linear-gradient(135deg, #031a2b, #0a4060, #06B6D4);
}
.project-card:nth-child(3) .project-visual {
  background: linear-gradient(135deg, #1a1505, #3d3010, #F59E0B);
}
.project-card:nth-child(4) .project-visual {
  background: linear-gradient(135deg, #051a08, #0d3d15, #10B981);
}
.project-card:nth-child(5) .project-visual {
  background: linear-gradient(135deg, #1a0515, #3d0d2e, #EC4899);
}
.project-card:nth-child(6) .project-visual {
  background: linear-gradient(135deg, #0f0f05, #2b2b0a, #84CC16);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-info-always {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
  padding: 24px 20px 16px;
}

.project-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: white;
  margin-bottom: 4px;
}

.project-category {
  font-size: 0.8rem;
  color: var(--primary-light);
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.project-pitch {
  font-size: 0.75rem;
  color: var(--secondary);
  font-family: var(--font-heading);
  font-weight: 600;
  margin-top: 4px;
}

/* ---- FOOTER ---- */
.footer {
  background: #0C1A2E;
  border-top: 1px solid rgba(14, 165, 233, 0.2);
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: #93C5FD;
  margin: 16px 0 24px;
  line-height: 1.7;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #93C5FD;
  transition: var(--transition);
}

.social-link:hover {
  background: rgba(14, 165, 233, 0.2);
  border-color: var(--primary-light);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.footer-col h4 {
  font-size: 0.9rem;
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #F0F9FF;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: #93C5FD;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.footer-link:hover {
  color: #FFFFFF;
  padding-left: 6px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 14px;
}

.footer-contact-icon {
  width: 28px;
  height: 28px;
  background: rgba(14, 165, 233, 0.15);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-text {
  font-size: 0.875rem;
  color: #93C5FD;
  line-height: 1.5;
}

.footer-contact-text a {
  color: #93C5FD;
  display: block;
}

.footer-contact-text a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: #64748B;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.85rem;
  color: #64748B;
  transition: var(--transition);
}

.footer-bottom-links a:hover {
  color: #FFFFFF;
}

/* ---- SCROLL TO TOP ---- */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
  cursor: pointer;
  border: none;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(37, 99, 235, 0.7);
}

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed;
  bottom: 92px;
  right: 32px;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, #25D366, #128C7E);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  z-index: 999;
  transition: var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.7);
}

/* ---- AOS ANIMATIONS ---- */
.aos-init {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.aos-animate {
  opacity: 1;
  transform: translateY(0);
}

.aos-init.delay-1 { transition-delay: 0.1s; }
.aos-init.delay-2 { transition-delay: 0.2s; }
.aos-init.delay-3 { transition-delay: 0.3s; }
.aos-init.delay-4 { transition-delay: 0.4s; }
.aos-init.delay-5 { transition-delay: 0.5s; }
.aos-init.delay-6 { transition-delay: 0.6s; }

/* ---- GLOW EFFECTS ---- */
.glow-blue {
  box-shadow: var(--shadow-glow);
}

.text-glow {
  text-shadow: 0 0 20px rgba(70, 143, 238, 0.5);
}

/* ---- IP RATING SECTION ---- */
.ip-ratings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.ip-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.ip-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-glow);
}

.ip-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, #0EA5E9, #FF6B35);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

/* ---- CERTIFICATIONS ---- */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
}

.cert-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: var(--transition);
  box-shadow: var(--shadow-card);
}

.cert-card:hover {
  border-color: var(--border-hover);
  color: var(--primary-light);
  box-shadow: var(--shadow-glow);
}

.cert-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  display: block;
}

/* ---- NOTICE BOXES ---- */
.notice-box {
  background: rgba(14, 165, 233, 0.06);
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 16px 20px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 20px 0;
}

/* ---- TWO COLUMN LAYOUT ---- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---- KEYFRAME ANIMATIONS ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 16px rgba(14, 165, 233, 0.2);
  }
  50% {
    box-shadow: 0 0 32px rgba(14, 165, 233, 0.4), 0 0 48px rgba(255, 107, 53, 0.15);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes ledBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ---- DECORATIVE ELEMENTS ---- */
.bg-grid {
  background-image:
    linear-gradient(rgba(14, 165, 233, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 165, 233, 0.07) 1px, transparent 1px);
  background-size: 50px 50px;
}

.bg-dots {
  background-image: radial-gradient(rgba(14, 165, 233, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Glow orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
}

.orb-purple {
  background: rgba(37, 99, 235, 0.12);
}

.orb-cyan {
  background: rgba(6, 182, 212, 0.08);
}

/* ---- MOBILE NAV OVERLAY ---- */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  backdrop-filter: blur(4px);
}

.nav-overlay.active {
  display: block;
}

/* ---- SECTION VARIATIONS ---- */
.section-dark {
  background: #EBF5FE;
}

.section-darker {
  background: #DFF0FD;
}

.section-accent {
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.06), rgba(255, 107, 53, 0.04));
}

/* ---- PRODUCT DETAIL ---- */
.product-detail-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.product-detail-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.12), rgba(255, 107, 53, 0.08));
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   1280px  → Large laptop / desktop
   1024px  → Small laptop / tablet landscape
    768px  → Tablet portrait
    480px  → Large mobile
    360px  → Small mobile
   ============================================================ */

/* ---- TABLET LANDSCAPE / SMALL LAPTOP (≤ 1280px) ---- */
@media (max-width: 1280px) {
  .container {
    max-width: 100%;
    padding: 0 32px;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr 1fr;
    gap: 32px;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

/* ---- TABLET LANDSCAPE (≤ 1024px) ---- */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  /* Show hamburger on tablets too */
  .hamburger {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: min(340px, 85vw);
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 40px;
    gap: 4px;
    z-index: 999;
    overflow-y: auto;
    transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 32px rgba(14, 165, 233, 0.12);
  }

  .nav-menu.active {
    display: flex;
    right: 0;
  }

  .nav-link {
    width: 100%;
    font-size: 1rem;
    padding: 12px 16px;
    color: var(--text-secondary);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
  }

  .nav-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .nav-dropdown {
    position: static;
    transform: none !important;
    opacity: 1;
    visibility: visible;
    background: rgba(14, 165, 233, 0.05);
    border: none;
    border-left: 2px solid var(--primary);
    border-radius: 0;
    padding: 4px 0 4px 16px;
    box-shadow: none;
    margin: 4px 0;
  }

  /* Grids */
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-info-cards {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .contact-card {
    flex: 1;
    min-width: 200px;
  }

  .two-col {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .three-col {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item {
    padding: 48px 24px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .stat-item:nth-child(odd) {
    border-right: 1px solid var(--border);
  }

  .hero-stats {
    gap: 12px;
  }

  .page-hero {
    padding: 140px 0 70px;
  }

  .cta-card {
    padding: 56px 40px;
  }

  .tabs-nav {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
  }
}

/* ---- TABLET PORTRAIT (≤ 768px) ---- */
@media (max-width: 768px) {
  .section-padding {
    padding: 70px 0;
  }

  .section-padding-sm {
    padding: 48px 0;
  }

  .container {
    padding: 0 20px;
  }

  /* Typography */
  h1 { font-size: clamp(1.9rem, 6vw, 3rem); }
  h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); }
  h3 { font-size: clamp(1.2rem, 3vw, 1.6rem); }

  .hero-title {
    font-size: clamp(2.4rem, 9vw, 4rem);
  }

  /* Nav */
  .nav-menu {
    width: min(300px, 90vw);
  }

  /* Hero */
  .hero-content {
    padding-top: 60px;
  }

  .hero-stats {
    gap: 10px;
  }

  .hero-stat {
    padding: 9px 12px;
    font-size: 0.8rem;
  }

  .hero-cta {
    gap: 12px;
    margin-bottom: 40px;
  }

  /* Grids */
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 40px 20px;
  }

  .stat-item:nth-child(odd) {
    border-right: 1px solid var(--border);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }

  /* Layouts */
  .two-col {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .three-col {
    grid-template-columns: 1fr;
  }

  /* Forms */
  .form-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-grid .form-group.full-width {
    grid-column: auto;
  }

  .enquiry-form {
    padding: 32px 20px;
  }

  /* Cards */
  .cta-card {
    padding: 48px 24px;
  }

  .cta-buttons {
    gap: 12px;
  }

  /* Page hero */
  .page-hero {
    padding: 120px 0 56px;
  }

  .page-hero-title {
    font-size: clamp(1.8rem, 6vw, 2.8rem);
  }

  /* Tabs */
  .tabs-nav {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .tabs-nav::-webkit-scrollbar {
    display: none;
  }

  .tab-btn {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 0.8rem;
  }

  /* Spec table */
  .spec-table {
    font-size: 0.8rem;
  }

  .spec-table th,
  .spec-table td {
    padding: 10px 12px;
  }

  /* Contacts */
  .contact-info-cards {
    flex-direction: column;
  }

  /* IP/certs grids */
  .ip-ratings-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .certs-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Scroll/WA buttons */
  .scroll-top {
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
  }

  .whatsapp-float {
    bottom: 80px;
    right: 24px;
    width: 48px;
    height: 48px;
  }
}

/* ---- LARGE MOBILE (≤ 480px) ---- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .section-padding {
    padding: 56px 0;
  }

  /* Typography */
  .hero-title {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .page-hero-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  /* Hero */
  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-stats {
    flex-direction: column;
    gap: 8px;
  }

  .hero-stat {
    width: 100%;
  }

  /* Grids → single column */
  .features-grid {
    grid-template-columns: 1fr;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item {
    padding: 32px 16px;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  /* Cards */
  .cta-card {
    padding: 40px 16px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .feature-card {
    padding: 28px 20px;
  }

  .category-card {
    padding: 28px 20px;
  }

  /* Layouts */
  .spec-section-header {
    flex-direction: column;
    gap: 12px;
  }

  /* Tabs */
  .tab-btn {
    padding: 8px 14px;
    font-size: 0.78rem;
  }

  /* IP/certs */
  .ip-ratings-grid {
    grid-template-columns: 1fr 1fr;
  }

  .certs-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Fixed buttons */
  .scroll-top,
  .whatsapp-float {
    right: 16px;
  }

  .scroll-top {
    bottom: 16px;
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .whatsapp-float {
    bottom: 68px;
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }

  /* Nav */
  .nav-menu {
    width: 100vw;
    border-left: none;
  }
}

/* ---- SMALL MOBILE (≤ 360px) ---- */
@media (max-width: 360px) {
  .container {
    padding: 0 12px;
  }

  .hero-title {
    font-size: clamp(1.8rem, 11vw, 2.6rem);
  }

  .btn {
    padding: 12px 20px;
    font-size: 0.85rem;
  }

  .btn-lg {
    padding: 14px 24px;
    font-size: 0.9rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .certs-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-hero {
    padding: 110px 0 48px;
  }

  .section-padding {
    padding: 48px 0;
  }

  .features-list {
    grid-template-columns: 1fr;
  }
}

/* ---- TOUCH DEVICES: remove hover effects that feel wrong on touch ---- */
@media (hover: none) and (pointer: coarse) {
  .feature-card:hover,
  .product-card:hover,
  .category-card:hover,
  .glass-card:hover {
    transform: none;
  }

  .btn:hover {
    transform: none;
  }

  .nav-item-dropdown:hover .nav-dropdown {
    opacity: 0;
    visibility: hidden;
  }
}

/* ---- PRINT ---- */
@media print {
  .navbar,
  .whatsapp-float,
  .scroll-top,
  #led-panel,
  #px-transition {
    display: none !important;
  }

  body {
    font-size: 12pt;
  }

  .section-padding {
    padding: 32px 0;
  }
}