/* ==========================================================================
   Ocean Plaast - Official Website Stylesheet
   Theme: High-Performance Industrial & Manufacturing Modern Aesthetic
   ========================================================================== */

:root {
  /* Brand Color Palette */
  --primary: #02457a;
  --primary-hover: #01335c;
  --primary-dark: #001833;
  --primary-light: #e6f1f8;
  
  --secondary: #0096c7;
  --secondary-hover: #0077b6;
  --secondary-light: #caf0f8;
  
  --accent: #ff9f1c;
  --accent-hover: #e08200;
  --accent-light: #fff3e0;

  --gold: #f59e0b;
  --gold-dark: #b45309;
  --gold-light: #fef3c7;

  --success: #10b981;
  --success-light: #d1fae5;
  --danger: #ef4444;
  --whatsapp: #25d366;
  --whatsapp-dark: #128c7e;

  /* Neutrals & Surfaces */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card-alt: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #02457a;

  /* Typography */
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevation Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 8px rgba(2, 69, 122, 0.06);
  --shadow-md: 0 8px 24px rgba(2, 69, 122, 0.08);
  --shadow-lg: 0 16px 36px rgba(2, 69, 122, 0.12);
  --shadow-xl: 0 24px 48px rgba(2, 69, 122, 0.16);

  /* Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  /* Transitions */
  --trans-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background-color: var(--bg-page);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--trans-fast);
}

a:hover {
  color: var(--secondary);
}

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

ul {
  list-style: none;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-fluid {
  width: 100%;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background-color: #f1f5f9;
}

.section-dark {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--text-white);
}

.section-dark h2, .section-dark h3, .section-dark h4 {
  color: var(--text-white);
}

.section-dark .text-muted {
  color: #94a3b8 !important;
}

/* Header & Section Title Typography */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 50px auto;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--secondary);
  background: var(--secondary-light);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.section-eyebrow.eyebrow-accent {
  color: var(--accent);
  background: var(--accent-light);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.65rem);
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-main);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Badges & Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-secondary { background: var(--secondary-light); color: var(--secondary); }
.badge-accent { background: var(--accent-light); color: var(--accent); }
.badge-gold { background: var(--gold-light); color: var(--gold-dark); border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-success { background: var(--success-light); color: #065f46; }
.badge-white { background: rgba(255,255,255,0.9); color: var(--primary); font-weight: 800; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: all var(--trans-normal);
  text-align: center;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--primary);
  color: var(--text-white);
  box-shadow: 0 4px 12px rgba(2, 69, 122, 0.25);
}

.btn-primary:hover {
  background: var(--primary-hover);
  color: var(--text-white);
  box-shadow: 0 6px 18px rgba(2, 69, 122, 0.35);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--secondary);
  color: var(--text-white);
}

.btn-secondary:hover {
  background: var(--secondary-hover);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255, 159, 28, 0.3);
}

.btn-accent:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline-primary {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline-primary:hover {
  background: var(--primary);
  color: #fff;
}

.btn-outline-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.8);
  color: #fff;
}

.btn-outline-white:hover {
  background: #fff;
  color: var(--primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   TOP NOTIFICATION BAR (FULL WIDTH FLUID)
   ========================================================================== */
.topbar {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.82rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
}

.topbar .container,
.site-header .container {
  max-width: 100% !important;
  width: 100% !important;
  padding-left: clamp(16px, 2.5vw, 42px);
  padding-right: clamp(16px, 2.5vw, 42px);
}

.topbar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  width: 100%;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.topbar-item a {
  color: rgba(255, 255, 255, 0.9);
}

.topbar-item a:hover {
  color: var(--accent);
}

.topbar-highlight {
  color: var(--accent);
  font-weight: 600;
}

/* ==========================================================================
   SITE HEADER & NAVIGATION (STYLISH, COMPACT, ANIMATED & COLORFUL)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0, 150, 199, 0.15);
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  width: 100%;
}

/* Animated Multi-Color Glowing Accent Topline */
.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #02457a 0%, #0096c7 25%, #ffc837 50%, #10b981 75%, #ff9f1c 90%, #02457a 100%);
  background-size: 300% 100%;
  animation: headerGradientGlow 6s linear infinite;
  z-index: 1001;
}

@keyframes headerGradientGlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(0, 24, 51, 0.1);
  background: rgba(255, 255, 255, 0.98);
}

.site-header.scrolled .navbar {
  height: 64px;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  width: 100%;
  gap: clamp(10px, 1.5vw, 28px);
  transition: height 0.3s ease;
}

/* Brand Logo */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.site-official-logo {
  height: 48px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.brand-logo:hover .site-official-logo {
  transform: scale(1.05);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(3px, 0.6vw, 8px);
  margin: 0 auto;
}

.nav-item {
  position: relative;
  flex-shrink: 0;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  padding: 8px clamp(8px, 0.6vw, 12px);
  border-radius: var(--radius-pill);
  transition: all 0.25s cubic-bezier(0.165, 0.84, 0.44, 1);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: linear-gradient(135deg, rgba(2, 69, 122, 0.08) 0%, rgba(0, 150, 199, 0.12) 100%);
  box-shadow: 0 2px 8px rgba(0, 150, 199, 0.12);
  transform: translateY(-1px);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 2px;
  transition: all 0.25s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 60%;
}

.nav-link .nav-arrow {
  font-size: 0.68rem;
  color: var(--secondary);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.nav-item:hover .nav-link .nav-arrow {
  transform: rotate(180deg);
  color: var(--accent);
}

/* Colorful Micro Badges */
.nav-badge-pill {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge-pulse-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.15); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Header Actions & Animated WhatsApp Button */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-header-wa {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.84rem;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: none;
  white-space: nowrap;
}

.btn-header-wa::before {
  content: '';
  position: absolute;
  top: 0;
  left: -75%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transform: skewX(-25deg);
  animation: shimmerSweep 3.5s infinite;
}

@keyframes shimmerSweep {
  0% { left: -75%; }
  30% { left: 125%; }
  100% { left: 125%; }
}

.btn-header-wa:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.55);
}

/* ==========================================================================
   ANIMATED COMPACT MEGA MENU
   ========================================================================== */
.mega-menu-wrapper {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(14px) scale(0.97);
  width: 800px;
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 150, 199, 0.2);
  box-shadow: 0 24px 50px -10px rgba(0, 24, 51, 0.2), 0 0 25px rgba(0, 150, 199, 0.1);
  padding: 24px 28px;
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.nav-item:hover .mega-menu-wrapper {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(4px) scale(1);
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: 1.15fr 1.15fr 1fr;
  gap: 24px;
}

.mega-col-title {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--primary-light);
}

.mega-col-title i {
  color: var(--secondary);
}

.mega-links-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mega-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  color: var(--text-body);
  font-size: 0.86rem;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.mega-item-link:hover {
  background: linear-gradient(135deg, rgba(2, 69, 122, 0.06) 0%, rgba(0, 150, 199, 0.1) 100%);
  color: var(--primary);
  transform: translateX(4px);
  border-color: rgba(0, 150, 199, 0.15);
}

.mega-item-badge {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
}

.mega-featured-card {
  background: linear-gradient(135deg, #001e3d 0%, #02457a 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #fff;
}

.mega-featured-card h5 {
  color: #ffc837;
}

.mega-featured-card p {
  color: #cbd5e1;
}

.mega-card-thumb {
  height: 90px;
  border-radius: var(--radius-xs);
  overflow: hidden;
  margin-bottom: 10px;
  background: #fff;
  border: 1px solid #e2e8f0;
}

.mega-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mega-featured-card h5 {
  font-size: 0.88rem;
  color: var(--primary-dark);
  margin-bottom: 4px;
}

.mega-featured-card p {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.mega-bottom-bar {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.mega-bottom-bar a {
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.mega-bottom-bar a:hover {
  color: var(--secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-main);
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 80px 0 100px 0;
  background: linear-gradient(135deg, #001e3d 0%, #02457a 50%, #0077b6 100%);
  color: #fff;
  overflow: hidden;
}

.hero-backdrop-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(0, 150, 199, 0.25) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255, 159, 28, 0.15) 0%, transparent 45%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.hero-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 18px;
}

.hero-title .highlight-gold {
  color: #ffc837;
  text-shadow: 0 2px 10px rgba(255, 200, 55, 0.3);
}

.hero-tagline {
  font-size: 1.25rem;
  font-weight: 600;
  color: #90e0ef;
  margin-bottom: 14px;
  font-style: italic;
}

.hero-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 30px;
  max-width: 580px;
  line-height: 1.65;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-stat-card {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 1.65rem;
  font-weight: 800;
  color: #ffc837;
}

.stat-label {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.75);
}

/* ==========================================================================
   HERO CURVED STYLISH PRODUCT SLIDER
   ========================================================================== */
.hero-visual-card {
  position: relative;
  width: 100%;
}

.hero-slider-frame {
  position: relative;
  border-radius: 36px 16px 36px 16px;
  padding: 8px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.4) 0%, rgba(0, 150, 199, 0.2) 40%, rgba(255, 200, 55, 0.3) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 2px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 25px 50px -12px rgba(0, 18, 38, 0.6), 0 0 35px rgba(0, 150, 199, 0.3);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.hero-slider-frame:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -10px rgba(0, 18, 38, 0.7), 0 0 45px rgba(0, 150, 199, 0.45);
}

.hero-slider-viewport {
  position: relative;
  width: 100%;
  height: 480px;
  border-radius: 28px 10px 28px 10px;
  overflow: hidden;
  background: #001226;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.04);
  transition: opacity 0.75s cubic-bezier(0.4, 0, 0.2, 1), transform 0.75s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.75s;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hero-slide.active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  z-index: 2;
}

.hero-slide-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 18, 38, 0.95) 0%, rgba(0, 18, 38, 0.5) 45%, rgba(0, 18, 38, 0.05) 100%);
  pointer-events: none;
}

.hero-slide-caption {
  position: relative;
  z-index: 5;
  padding: 22px 24px;
  color: #fff;
}

.hero-slide-top-badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.3);
}

.hero-slide-caption h3 {
  font-size: 1.28rem;
  color: #ffffff;
  margin: 6px 0 4px 0;
  font-family: var(--font-heading);
  text-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.hero-slide-caption p {
  font-size: 0.84rem;
  color: #cbd5e1;
  margin-bottom: 14px;
  line-height: 1.4;
}

.hero-slide-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Slider Navigation Arrows */
.hero-slider-nav {
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  z-index: 10;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0, 24, 51, 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.hero-slider-nav:hover {
  background: var(--primary);
  border-color: #ffc837;
  color: #ffc837;
  transform: translateY(-50%) scale(1.12);
}

.hero-slider-prev {
  left: 14px;
}

.hero-slider-next {
  right: 14px;
}

/* Slider Pagination Dots */
.hero-slider-dots {
  position: absolute;
  top: 18px;
  right: 18px;
  z-index: 10;
  display: flex;
  gap: 6px;
  background: rgba(0, 24, 51, 0.55);
  backdrop-filter: blur(8px);
  padding: 6px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: all 0.3s ease;
}

.hero-dot.active {
  width: 22px;
  border-radius: var(--radius-pill);
  background: #ffc837;
  box-shadow: 0 0 10px rgba(255, 200, 55, 0.8);
}

/* ==========================================================================
   TRUST & QUICK HIGHLIGHTS STRIP
   ========================================================================== */
.trust-strip {
  background: #fff;
  padding: 24px 0;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 10;
  margin-top: -30px;
  border-radius: var(--radius-md);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  align-items: center;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.trust-text h4 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.trust-text p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ==========================================================================
   GARDEN HOSE PIPES SECTION
   ========================================================================== */
.hose-section {
  background: #fff;
}

.grade-tabs-wrapper {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 30px;
  border-bottom: 2px solid var(--border-color);
}

.grade-tab-btn {
  background: var(--bg-card-alt);
  border: 1px solid var(--border-color);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 190px;
  transition: all var(--trans-fast);
}

.grade-tab-btn .tab-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

.grade-tab-btn .tab-badge {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
}

.grade-tab-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(2, 69, 122, 0.25);
}

.grade-tab-btn.active .tab-title {
  color: #fff;
}

.grade-tab-btn.active .tab-badge {
  color: #ffc837;
}

/* Grade Detail Card */
.grade-detail-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
}

.grade-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.grade-name {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 6px;
}

.grade-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 12px;
}

.grade-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.meta-item {
  font-size: 0.85rem;
  color: var(--text-body);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Data Table Styling */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.data-table thead {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.data-table th {
  padding: 14px 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--border-color);
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.data-table tr:hover {
  background-color: #f8fafc;
}

.size-pill {
  display: inline-block;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  font-weight: 700;
  color: var(--text-main);
}

.weight-badge {
  display: inline-block;
  background: var(--gold-light);
  color: var(--gold-dark);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-weight: 700;
}

.btn-table-action {
  background: var(--whatsapp);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: var(--radius-xs);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all var(--trans-fast);
}

.btn-table-action:hover {
  background: var(--whatsapp-dark);
}

.grade-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.feat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-body);
}

/* Hose Special Note Banner */
.note-callout-box {
  background: #fefce8;
  border-left: 4px solid var(--gold);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-top: 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.note-callout-box .note-icon {
  color: var(--gold-dark);
  font-size: 1.3rem;
  margin-top: 2px;
}

.note-callout-box p {
  font-size: 0.88rem;
  color: #713f12;
  margin-bottom: 4px;
}

/* ==========================================================================
   WATER STORAGE TANKS SECTION
   ========================================================================== */
.tanks-section {
  background: var(--bg-page);
}

/* Tank Layer Navigation */
.tank-layer-nav-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 34px;
}

.layer-tab-btn {
  background: #fff;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all var(--trans-fast);
}

.layer-count-chip {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--secondary);
  background: var(--secondary-light);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  align-self: flex-start;
}

.layer-title-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

.layer-guar-badge {
  font-size: 0.75rem;
  color: var(--success);
  font-weight: 600;
}

.layer-tab-btn.active {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 6px 20px rgba(2, 69, 122, 0.12);
  transform: translateY(-2px);
}

.layer-tab-btn.active .layer-count-chip {
  background: var(--primary);
  color: #fff;
}

/* Tank Visual Cutaway Layout */
.tank-visual-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.tank-cutaway-box {
  background: linear-gradient(180deg, #f0f7fc 0%, #e2eef7 100%);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid #cbdbe8;
}

.tank-mockup {
  width: 100%;
  max-width: 280px;
  background: #fff;
  border-radius: 18px 18px 24px 24px;
  border: 3px solid var(--primary);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 20px;
}

.tank-lid {
  background: var(--primary-dark);
  color: #fff;
  padding: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 2px solid rgba(255,255,255,0.2);
}

.tank-layers-stack {
  display: flex;
  flex-direction: column;
  padding: 12px;
  gap: 6px;
  background: #f8fafc;
}

.visual-layer-bar {
  padding: 10px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

.layer-color-0 { background: #0077b6; }
.layer-color-1 { background: #f59e0b; }
.layer-color-2 { background: #e0e7ff; color: #1e293b; text-shadow: none; }
.layer-color-3 { background: #10b981; }
.layer-color-4 { background: #3b82f6; }

.tank-base {
  background: #e2e8f0;
  padding: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
}

.tank-colors-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
}

.color-badge {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
}

.color-royal-blue { background: #02457a; color: #fff; }
.color-golden-yellow { background: #f59e0b; color: #fff; }
.color-sunset-orange { background: #ea580c; color: #fff; }
.color-pure-white, .color-white { background: #fff; color: #1e293b; border: 1px solid #cbd5e1; }
.color-glossy-black { background: #0f172a; color: #fff; }
.color-granite-finish { background: #475569; color: #fff; }

/* Tank Spec Details */
.tank-spec-details .layer-header {
  margin-bottom: 24px;
}

.tank-spec-details .layer-header h3 {
  font-size: 1.65rem;
  margin: 10px 0 6px 0;
  color: var(--primary);
}

.layer-breakdown-list {
  margin-bottom: 28px;
}

.layer-breakdown-list h4 {
  font-size: 1rem;
  margin-bottom: 14px;
  color: var(--text-main);
}

.layer-breakdown-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-card-alt);
  margin-bottom: 10px;
}

.layer-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.layer-info strong {
  font-size: 0.88rem;
  color: var(--text-main);
  display: block;
}

.layer-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0;
}

.layer-cta-bar {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   WARRANTY & GUARANTEE TABLE
   ========================================================================== */
.guarantee-grid,
.warranty-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.guar-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--trans-normal);
}

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

.guar-card-highlight {
  border-color: var(--gold);
  background: linear-gradient(180deg, #fffbeb 0%, #ffffff 100%);
}

.guar-icon {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}

.guar-card-highlight .guar-icon {
  color: var(--gold-dark);
}

.guar-card h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}

.guar-term {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.guar-card-highlight .guar-term {
  color: var(--gold-dark);
}

.guar-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ==========================================================================
   INTERACTIVE SIZING & WEIGHT CALCULATORS
   ========================================================================== */
.calc-section {
  background: linear-gradient(180deg, #f8fafc 0%, #eef4f9 100%);
}

.calc-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.calc-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  padding: 36px;
}

.calc-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-color);
}

.calc-header-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.calc-card-header h3 {
  font-size: 1.3rem;
  margin-bottom: 2px;
}

.calc-card-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-label .val-indicator {
  font-weight: 800;
  color: var(--primary);
  background: var(--primary-light);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-color);
  background: #fff;
  color: var(--text-main);
  transition: all var(--trans-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2, 69, 122, 0.15);
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
  outline: none;
  -webkit-appearance: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.1s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Result Box */
.calc-result-box {
  background: linear-gradient(135deg, #f0f7fc 0%, #e2eef7 100%);
  border: 1.5px dashed #90cdf4;
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
}

.calc-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.calc-rec-capacity {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.rec-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.rec-unit {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.calc-extra-tag {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-hover);
  margin-bottom: 16px;
}

.calc-metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.metric-box {
  background: #fff;
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  border: 1px solid #cbdbe8;
  display: flex;
  flex-direction: column;
}

.metric-box.full-col {
  grid-column: span 2;
}

.m-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.m-val {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.m-val-large {
  font-size: 1.4rem;
  color: var(--primary);
}

.calc-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ==========================================================================
   PRODUCT CATALOGUE & GALLERY
   ========================================================================== */
.catalog-section {
  background: #fff;
}

.catalog-filter-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.catalog-filter-btn {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.catalog-filter-btn:hover, .catalog-filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(2, 69, 122, 0.2);
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.catalog-card {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--trans-normal);
}

.catalog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.card-image-wrap {
  position: relative;
  height: 220px;
  background: #f8fafc;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.catalog-card:hover .card-image-wrap img {
  transform: scale(1.06);
}

.card-tag-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
}

.card-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--primary-dark);
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-specs-list {
  font-size: 0.8rem;
  color: var(--text-body);
  margin-bottom: 18px;
  background: #f8fafc;
  padding: 10px;
  border-radius: var(--radius-xs);
}

.card-specs-list li {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.card-specs-list li:last-child {
  margin-bottom: 0;
}

.card-footer {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

/* ==========================================================================
   OFFICIAL FLYERS & BROCHURES SHOWCASE
   ========================================================================== */
.flyers-section {
  background: var(--primary-dark);
  color: #fff;
}

.flyers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.flyer-preview-card {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  transition: all var(--trans-normal);
}

.flyer-preview-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.1);
}

.flyer-thumb-box {
  position: relative;
  height: 300px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  margin-bottom: 16px;
  background: #000;
}

.flyer-thumb-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--trans-normal);
}

.flyer-thumb-box:hover img {
  transform: scale(1.04);
}

.flyer-overlay-btn {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 24, 51, 0.6);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  transition: opacity var(--trans-fast);
}

.flyer-thumb-box:hover .flyer-overlay-btn {
  opacity: 1;
}

.flyer-info h4 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 6px;
}

.flyer-info p {
  font-size: 0.85rem;
  color: #94a3b8;
  margin-bottom: 16px;
}

/* ==========================================================================
   WHY CHOOSE OCEAN PLAAST (FEATURES & QUALITY)
   ========================================================================== */
.features-section {
  background: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-box {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: all var(--trans-normal);
  position: relative;
}

.feature-box:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--secondary);
}

.feature-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.feature-box h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

.feature-box p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* ==========================================================================
   DEALERSHIP & WHOLESALE BANNER
   ========================================================================== */
.dealership-section {
  background: linear-gradient(135deg, #02457a 0%, #0077b6 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  margin: 40px auto;
  box-shadow: var(--shadow-xl);
}

.dealership-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
}

.dealership-content h3 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 12px;
}

.dealership-content p {
  font-size: 1.05rem;
  color: #e0f2fe;
  margin-bottom: 24px;
}

.dealer-perks-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.dealer-perk-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: #fff;
}

.dealer-perk-item i {
  color: #ffc837;
}

.dealer-cta-box {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
}

.dealer-cta-box h4 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 8px;
}

.dealer-cta-box p {
  font-size: 0.85rem;
  color: #bae6fd;
  margin-bottom: 20px;
}

/* ==========================================================================
   CONTACT US SECTION & MAP
   ========================================================================== */
.contact-section {
  background: var(--bg-page);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 40px;
}

.contact-info-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.contact-info-card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.contact-info-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.contact-methods-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-method-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.method-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.method-details h5 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.method-details p, .method-details a {
  font-size: 0.9rem;
  color: var(--text-body);
  margin: 0;
}

.method-details a:hover {
  color: var(--secondary);
}

.indiamart-verified-badge {
  background: #eef7ff;
  border: 1px solid #b9dcf7;
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 20px;
}

.im-logo-text {
  font-weight: 700;
  font-size: 0.9rem;
  color: #0b69a3;
}

/* Contact Form Card */
.contact-form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  color: var(--primary);
}

.contact-form-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #001226;
  color: #94a3b8;
  padding: 70px 0 24px 0;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr 0.9fr 1.1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .logo-title {
  color: #fff;
}

.footer-brand .logo-subtitle {
  color: #94a3b8;
}

.footer-desc {
  font-size: 0.88rem;
  margin: 16px 0 20px 0;
  line-height: 1.6;
}

.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--secondary);
}

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

.footer-links a {
  color: #94a3b8;
  transition: all var(--trans-fast);
}

.footer-links a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.82rem;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS (CALL & WHATSAPP)
   ========================================================================== */
.floating-actions {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.fab-btn {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.45rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--trans-spring);
  position: relative;
}

.fab-btn:hover {
  transform: scale(1.12);
}

.fab-whatsapp {
  background: var(--whatsapp);
}

.fab-phone {
  background: var(--primary);
}

.fab-tooltip {
  position: absolute;
  right: 64px;
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--trans-fast);
}

.fab-btn:hover .fab-tooltip {
  opacity: 1;
}

/* ==========================================================================
   MODALS & LIGHTBOX STYLES
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 18, 38, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--trans-normal);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-container {
  background: #fff;
  border-radius: var(--radius-lg);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
  transform: scale(0.92);
  transition: transform var(--trans-spring);
}

.modal-backdrop.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.3rem;
  color: var(--primary);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--trans-fast);
}

.modal-close:hover {
  color: var(--danger);
}

.modal-body {
  padding: 28px;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.94);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--trans-normal);
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.lightbox-caption {
  color: #fff;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 14px;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 28px;
  color: #fff;
  font-size: 2rem;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 3001;
}

/* Toast Message */
.site-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--primary-dark);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 4000;
  opacity: 0;
  transition: all var(--trans-spring);
}

.site-toast.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.site-toast.toast-success {
  background: #065f46;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-badges-row {
    justify-content: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats-row {
    justify-content: center;
  }

  .tank-visual-layout {
    grid-template-columns: 1fr;
  }

  .calc-dual-grid {
    grid-template-columns: 1fr;
  }

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

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

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

@media (max-width: 1024px) {
  .nav-menu {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(2, 69, 122, 0.15);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all var(--trans-fast);
  }

  .mobile-menu-toggle:hover {
    background: var(--primary);
    color: #fff;
  }
}

/* ==========================================================================
   OFF-CANVAS MOBILE DRAWER & MEGA MENU
   ========================================================================== */
.mobile-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 24, 51, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2500;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.mobile-drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-offcanvas-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 360px;
  max-width: 88vw;
  height: 100vh;
  background: #ffffff;
  z-index: 2600;
  box-shadow: -10px 0 35px rgba(0, 24, 51, 0.3);
  display: flex;
  flex-direction: column;
  transition: right 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
  overflow: hidden;
}

.mobile-offcanvas-drawer.active {
  right: 0;
}

body.mobile-drawer-open {
  overflow: hidden !important;
}

/* Drawer Header */
.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.mobile-drawer-logo {
  height: 44px;
  width: auto;
  max-width: 170px;
  object-fit: contain;
}

.mobile-drawer-close {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: #f8fafc;
  color: var(--text-main);
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.mobile-drawer-close:hover {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
}

/* Drawer Body */
.mobile-drawer-body {
  padding: 16px 20px;
  overflow-y: auto;
  flex-grow: 1;
  -webkit-overflow-scrolling: touch;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  list-style: none;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  text-decoration: none;
  transition: all var(--trans-fast);
  background: #ffffff;
  border: 1px solid transparent;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
  border-color: rgba(2, 69, 122, 0.15);
}

.mobile-nav-link i.link-icon {
  width: 22px;
  color: var(--secondary);
}

/* Mobile Mega Menu Accordion */
.mobile-mega-accordion {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: #f8fafc;
  overflow: hidden;
  margin: 4px 0;
}

.mobile-mega-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 14px;
  background: #f8fafc;
  border: none;
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  text-align: left;
}

.mobile-mega-trigger .trigger-arrow {
  font-size: 0.82rem;
  transition: transform 0.25s ease;
}

.mobile-mega-trigger.active .trigger-arrow {
  transform: rotate(180deg);
}

.mobile-mega-content {
  display: none;
  padding: 0 14px 14px 14px;
  background: #ffffff;
  border-top: 1px solid var(--border-color);
}

.mobile-mega-content.active {
  display: block;
}

.mobile-mega-group {
  margin-top: 12px;
}

.mobile-mega-group-title {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
  padding-bottom: 4px;
  border-bottom: 1.5px solid var(--primary-light);
}

.mobile-sub-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-xs);
  color: var(--text-body);
  font-size: 0.86rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--trans-fast);
}

.mobile-sub-link:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* Drawer Footer */
.mobile-drawer-footer {
  padding: 16px 20px;
  background: #f8fafc;
  border-top: 1px solid var(--border-color);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-drawer-footer-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.5;
  text-align: center;
}

/* ==========================================================================
   ENHANCED MOBILE RESPONSIVE MEDIA QUERIES (100% Mobile Optimized)
   ========================================================================== */

/* Prevent horizontal page shaking / scrolling on mobile */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
  }

  .hero-badges-row {
    justify-content: center;
  }

  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats-row {
    justify-content: center;
  }

  .tank-visual-layout {
    grid-template-columns: 1fr;
  }

  .calc-dual-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 991px) {
  .hero-slider-viewport {
    height: 400px;
  }
}

/* Tablet & Mobile Breakpoint (<= 768px) */
@media (max-width: 768px) {
  .topbar {
    padding: 6px 0;
  }

  .topbar-content {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    font-size: 0.74rem;
    text-align: center;
  }

  .topbar-left, .topbar-right {
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
  }

  .navbar {
    height: 66px;
  }

  .site-official-logo {
    height: 38px;
    max-width: 150px;
  }

  .header-actions {
    gap: 8px;
  }

  .btn-header-wa {
    padding: 7px 14px;
    font-size: 0.78rem;
  }

  /* Hero Section */
  .hero-section {
    padding: 35px 0 45px 0;
  }

  .hero-title {
    font-size: clamp(1.85rem, 5.2vw, 2.4rem);
    line-height: 1.25;
  }

  .hero-slider-viewport {
    height: 350px;
  }

  .hero-slider-frame {
    border-radius: 26px 14px 26px 14px;
    padding: 6px;
  }

  .hero-slide-caption {
    padding: 16px 18px;
  }

  .hero-slide-caption h3 {
    font-size: 1.15rem;
  }

  .hero-slide-caption p {
    font-size: 0.8rem;
    margin-bottom: 10px;
  }

  .hero-stats-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }

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

  .section {
    padding: 42px 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .dealership-section {
    padding: 26px 16px;
  }

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

  /* Tables & Horizontal Touch Scroll */
  .table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-sm);
    box-shadow: inset -6px 0 8px -4px rgba(0, 0, 0, 0.08);
  }

  .table-responsive table {
    min-width: 580px;
  }
}

/* Small Smartphone Breakpoint (<= 576px) */
@media (max-width: 576px) {
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

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

  .hero-slider-viewport {
    height: 320px;
    border-radius: 20px 8px 20px 8px;
  }

  .hero-slide-top-badge {
    top: 12px;
    left: 12px;
    font-size: 0.72rem;
    padding: 4px 10px;
  }

  .hero-slider-dots {
    top: 12px;
    right: 12px;
    padding: 4px 8px;
  }

  .hero-slide-caption {
    padding: 12px 14px;
  }

  .hero-slide-caption h3 {
    font-size: 1.02rem;
  }

  .hero-slide-caption p {
    font-size: 0.76rem;
    line-height: 1.35;
    margin-bottom: 8px;
  }

  .hero-slide-actions {
    gap: 6px;
  }

  .hero-slide-actions .btn {
    padding: 5px 10px;
    font-size: 0.75rem;
  }

  .hero-slider-nav {
    width: 32px;
    height: 32px;
    font-size: 0.78rem;
  }

  .hero-slider-prev {
    left: 8px;
  }

  .hero-slider-next {
    right: 8px;
  }

  /* Floating WhatsApp Widget */
  .floating-wa-widget {
    bottom: 18px;
    right: 16px;
  }

  .wa-chat-window {
    width: calc(100vw - 32px);
    max-width: 330px;
    right: 0;
    bottom: 68px;
  }

  /* Mobile Mega Menu */
  .mobile-offcanvas-drawer {
    width: 320px;
    max-width: 88vw;
  }
}

/* Extra Small Mobile Devices (<= 420px) */
@media (max-width: 420px) {
  .topbar {
    display: none; /* Hide topbar on extra small screens for clean look */
  }

  .site-official-logo {
    height: 34px;
    max-width: 125px;
  }

  .btn-header-wa span {
    display: none; /* Show icon only on very small screens to fit perfectly */
  }

  .btn-header-wa {
    padding: 8px 10px;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    justify-content: center;
  }

  .btn-header-wa i {
    font-size: 1.1rem;
    margin: 0;
  }

  .mobile-menu-toggle {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
  }

  .hero-title {
    font-size: 1.68rem !important;
  }

  .hero-desc {
    font-size: 0.88rem;
  }

  .btn-lg {
    padding: 11px 18px;
    font-size: 0.9rem;
  }

  .hero-slider-viewport {
    height: 290px;
  }
}