@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ==========================================
   DESIGN TOKENS & SYSTEM VARIABLES
   ========================================== */
:root {
  /* Font Families */
  --font-headings: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Colors (Light Theme Default) */
  --primary-color: #0c1a30;     /* Deep Blue */
  --primary-dark: #07101f;      /* Dark Navy */
  --primary-light: #1e3a8a;     /* Deep Navy Tint */
  --secondary-color: #4b5563;   /* Steel Grey */
  --accent-color: #0284c7;      /* Sky Blue */
  --accent-light: #e0f2fe;      /* Soft Sky Blue */
  --bg-primary: #ffffff;        /* Pure White */
  --bg-secondary: #f8fafc;      /* Light Slate Grey */
  --bg-tertiary: #f1f5f9;       /* Slate Grey Tint */
  --text-primary: #0f172a;      /* Dark Slate */
  --text-secondary: #475569;    /* Muted Slate */
  --text-light: #94a3b8;        /* Light Slate */
  --border-color: #e2e8f0;      /* Border Grey */
  --border-focus: #38bdf8;
  
  /* Shadows & Glassmorphism */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.06);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Spacing & Borders */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --container-width: 1280px;
}

/* Dark Theme Variables Override */
[data-theme="dark"] {
  --primary-color: #3b82f6;     /* Bright Blue */
  --primary-dark: #1d4ed8;      /* Royal Blue */
  --primary-light: #60a5fa;     /* Light Sky Blue */
  --secondary-color: #94a3b8;   /* Steel Grey */
  --accent-color: #38bdf8;      /* Sky Blue Accent */
  --accent-light: #075985;      /* Dark Blue Accent */
  --bg-primary: #0b0f19;        /* Premium Dark Charcoal */
  --bg-secondary: #111827;      /* Dark Slate */
  --bg-tertiary: #1f2937;       /* Mid Slate */
  --text-primary: #f8fafc;      /* White-Grey */
  --text-secondary: #cbd5e1;    /* Light Slate */
  --text-light: #64748b;        /* Muted Slate */
  --border-color: #374151;      /* Dark Border */
  --border-focus: #60a5fa;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.6);
  --glass-bg: rgba(17, 24, 39, 0.8);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: -webkit-fill-available;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--text-light);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--secondary-color);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

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

ul {
  list-style: none;
}

/* ==========================================
   LAYOUT UTILITIES
   ========================================== */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

.section-bg {
  background-color: var(--bg-secondary);
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-color);
  margin-bottom: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: var(--accent-light);
  border-radius: var(--radius-full);
}
[data-theme="dark"] .section-tag {
  background: var(--accent-light);
  color: var(--bg-primary);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

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

.glassmorphism {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* ==========================================
   BUTTONS & FORMS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #ffffff;
  box-shadow: 0 4px 14px 0 rgba(2, 132, 199, 0.4);
}
.btn-primary:hover {
  background-color: #0271aa;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(2, 132, 199, 0.5);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--border-color);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--accent-color);
  color: var(--accent-color);
}
.btn-outline:hover {
  background-color: var(--accent-color);
  color: #ffffff;
  transform: translateY(-2px);
}

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

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.form-control {
  width: 100%;
  padding: 0.875rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}
.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

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

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all var(--transition-normal);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-primary);
}

.header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
  padding: 0.5rem 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-text {
  font-family: var(--font-headings);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--accent-color);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent-color), var(--primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.25rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
  cursor: pointer;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-color);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width var(--transition-normal);
}

.nav-link.active::after, .nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.theme-toggle-btn:hover {
  background-color: var(--border-color);
}

.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0.75rem;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.lang-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  display: none;
  min-width: 100px;
  z-index: 10;
  margin-top: 0.5rem;
}

.lang-dropdown.active {
  display: block;
}

.lang-opt {
  display: block;
  padding: 0.5rem 1rem;
  width: 100%;
  text-align: left;
  font-size: 0.85rem;
  cursor: pointer;
}
.lang-opt:hover {
  background-color: var(--bg-secondary);
  color: var(--accent-color);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
}
.mobile-menu-toggle span {
  width: 26px;
  height: 3px;
  background-color: var(--text-primary);
  transition: all var(--transition-normal);
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(2, 132, 199, 0.08) 0%, transparent 60%),
              linear-gradient(to bottom, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: 8rem 0 6rem 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
}

.hero-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-color);
  background-color: var(--accent-light);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}
[data-theme="dark"] .hero-tagline {
  background-color: var(--accent-light);
  color: var(--bg-primary);
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
[data-theme="dark"] .hero-title span {
  background: linear-gradient(135deg, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

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

.stat-number {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-headings);
  line-height: 1;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
}

.stat-number::after {
  content: '+';
  color: var(--accent-color);
  margin-left: 1px;
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

/* Hero Visual Graphics */
.hero-visual {
  position: relative;
}

.hero-tank-graphic {
  width: 100%;
  height: 480px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
}

.tank-render-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, transparent 40%, rgba(15, 23, 42, 0.4) 100%);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

.tank-badge {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tank-badge-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

.tank-badge-text h4 {
  font-size: 0.95rem;
  margin-bottom: 0.1rem;
}

.tank-badge-text p {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Animated floating structural grids */
.hero-bg-grid {
  position: absolute;
  top: -10%;
  right: -10%;
  width: 600px;
  height: 600px;
  background-image: radial-gradient(var(--border-color) 1.5px, transparent 1.5px);
  background-size: 30px 30px;
  opacity: 0.4;
  z-index: -1;
  pointer-events: none;
}

/* ==========================================
   PRODUCTS SECTION
   ========================================== */
.product-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.product-img-wrapper {
  position: relative;
  height: 240px;
  background-color: var(--bg-tertiary);
  overflow: hidden;
}

.product-img-wrapper svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.product-card:hover .product-img-wrapper svg {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.product-content {
  padding: 2rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.product-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.product-specs {
  margin-bottom: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.spec-line {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.spec-label {
  color: var(--text-light);
  font-weight: 500;
}

.spec-value {
  color: var(--text-primary);
  font-weight: 600;
}

.product-ctas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-color);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--accent-color);
  transition: height var(--transition-normal);
}
.service-card:hover::before {
  height: 100%;
}

.service-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  margin-bottom: 1.5rem;
  transition: all var(--transition-fast);
}
.service-card:hover .service-icon-box {
  background-color: var(--accent-color);
  color: #ffffff;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.service-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

/* ==========================================
   WHY CHOOSE US
   ========================================== */
.why-section {
  position: relative;
  overflow: hidden;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 5rem;
  align-items: center;
}

.why-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.feature-box {
  display: flex;
  gap: 1.25rem;
}

.feature-icon-wrapper {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-light);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
}
[data-theme="dark"] .feature-icon-wrapper {
  background-color: var(--bg-tertiary);
}

.feature-box-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.feature-box-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ==========================================
   INDUSTRIES
   ========================================== */
.industry-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.industry-card:hover {
  transform: scale(1.03);
  border-color: var(--accent-color);
  box-shadow: var(--shadow-md);
}

.industry-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  margin-bottom: 1.25rem;
  font-size: 1.5rem;
}
.industry-card:hover .industry-icon {
  background-color: var(--accent-color);
  color: #ffffff;
}

.industry-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.industry-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* ==========================================
   PORTFOLIO & BEFORE/AFTER SLIDER
   ========================================== */
.projects-filter-bar {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--accent-color);
  color: #ffffff;
  border-color: var(--accent-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.project-card {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  background-color: var(--bg-primary);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.project-media {
  position: relative;
  height: 220px;
  background-color: var(--bg-tertiary);
  overflow: hidden;
}

.project-category-tag {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  background-color: var(--accent-color);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.project-details {
  padding: 1.5rem;
}

.project-details h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.project-details p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.project-metrics {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-light);
}

/* BEFORE & AFTER SLIDER WRAPPER */
.slider-container-box {
  max-width: 800px;
  margin: 4rem auto 0 auto;
}

.slider-container-box h3 {
  text-align: center;
  margin-bottom: 1.5rem;
}

.before-after-slider {
  position: relative;
  width: 100%;
  height: 450px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-color);
}

.slider-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.slider-img.before {
  /* Foreground, will be clipped */
  z-index: 2;
  width: 50%;
}

.slider-img.after {
  /* Background, remains static */
  z-index: 1;
}

.slider-label {
  position: absolute;
  bottom: 1.5rem;
  background-color: rgba(15, 23, 42, 0.75);
  color: #ffffff;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 3;
}

.slider-label.before-label {
  left: 1.5rem;
}

.slider-label.after-label {
  right: 1.5rem;
}

.slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background-color: #ffffff;
  z-index: 4;
  cursor: ew-resize;
  transform: translateX(-50%);
}

.slider-handle-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background-color: var(--accent-color);
  border-radius: var(--radius-full);
  border: 4px solid #ffffff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.25rem;
}

/* ==========================================
   MASONRY GALLERY
   ========================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 1rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  border: 1px solid var(--border-color);
}

.gallery-item.row-span-2 {
  grid-row: span 2;
}

.gallery-item.col-span-2 {
  grid-column: span 2;
}

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

.gallery-item:hover img {
  transform: scale(1.06);
}

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.6);
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  transition: opacity var(--transition-normal);
  color: #ffffff;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-overlay h5 {
  font-size: 1rem;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.gallery-overlay p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
}

/* LIGHTBOX MODAL */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(7, 10, 18, 0.95);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.lightbox.active {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 85%;
}

.lightbox-img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
}

.lightbox-close {
  position: absolute;
  top: -3rem;
  right: 0;
  color: #ffffff;
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.lightbox-close:hover {
  color: var(--accent-color);
}

.lightbox-title {
  color: #ffffff;
  margin-top: 1rem;
  text-align: center;
}

/* ==========================================
   DOWNLOAD CENTER
   ========================================== */
.download-search-wrapper {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.download-search-input {
  flex-grow: 1;
}

.downloads-table-container {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.downloads-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.downloads-table th {
  background-color: var(--bg-secondary);
  padding: 1rem 1.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-color);
}

.downloads-table td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

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

.doc-name-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.doc-icon {
  width: 32px;
  height: 32px;
  background-color: #fee2e2;
  color: #ef4444;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.75rem;
}
[data-theme="dark"] .doc-icon {
  background-color: #7f1d1d;
  color: #fca5a5;
}

.doc-tag {
  background-color: var(--bg-tertiary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* ==========================================
   BLOG VIEW
   ========================================== */
.blog-search-bar {
  display: flex;
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.blog-search-bar input {
  padding-right: 3rem;
}

.blog-search-icon {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.blog-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-color);
}

.blog-card-media {
  height: 200px;
  background-color: var(--bg-tertiary);
  position: relative;
}

.blog-date-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(4px);
  border: 1px solid var(--glass-border);
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
}

.blog-card-details {
  padding: 1.75rem;
}

.blog-meta-line {
  display: flex;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.blog-card-title {
  font-size: 1.2rem;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}

.blog-card-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-readmore-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-color);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

/* ==========================================
   QUOTE CALCULATOR / ESTIMATOR
   ========================================== */
.calc-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 3rem;
  max-width: 1000px;
  margin: 0 auto;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
}

.calc-inputs-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.calc-dim-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.calc-range-wrapper {
  margin-bottom: 0.5rem;
}

.calc-range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 0.25rem;
}

.calc-results-panel {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
}

.calc-volume-display {
  margin-bottom: 2rem;
}

.volume-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-color);
  line-height: 1;
  font-family: var(--font-headings);
}

.volume-unit {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.calc-recommendation-box {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.rec-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.rec-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-disclaimer {
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.4;
  margin-top: 1rem;
}

/* ==========================================
   QUOTE ENQUIRY PAGE
   ========================================== */
.quote-flow-container {
  max-width: 800px;
  margin: 0 auto;
}

.quote-steps-bar {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-bottom: 3rem;
}

.quote-steps-bar::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--border-color);
  z-index: 1;
  transform: translateY(-50%);
}

.quote-step-node {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  z-index: 2;
  transition: all var(--transition-normal);
}

.quote-step-node.active {
  border-color: var(--accent-color);
  color: var(--accent-color);
  box-shadow: 0 0 0 4px var(--accent-light);
}

.quote-step-node.completed {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: #ffffff;
}

.quote-form-card {
  background-color: var(--bg-primary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 3rem;
  box-shadow: var(--shadow-lg);
}

.quote-step-content {
  display: none;
}

.quote-step-content.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

.quote-form-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 2.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.upload-dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  background-color: var(--bg-secondary);
  transition: all var(--transition-fast);
}

.upload-dropzone:hover {
  border-color: var(--accent-color);
  background-color: var(--accent-light);
}
[data-theme="dark"] .upload-dropzone:hover {
  background-color: var(--bg-tertiary);
}

.upload-icon {
  font-size: 2rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
}

.upload-filename {
  font-weight: 600;
  color: var(--accent-color);
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

/* ==========================================
   CONTACT PAGE & MAP
   ========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-info-item {
  display: flex;
  gap: 1.25rem;
}

.contact-info-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background-color: var(--accent-light);
  color: var(--accent-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
[data-theme="dark"] .contact-info-icon {
  background-color: var(--bg-tertiary);
}

.contact-info-text h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.contact-info-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.map-container {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  height: 450px;
  background-color: var(--bg-tertiary);
}

.map-placeholder-graphic {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: radial-gradient(var(--border-color) 1.5px, transparent 1.5px);
  background-size: 25px 25px;
}

.map-pin-badge {
  position: absolute;
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: float 3s ease-in-out infinite;
}

/* ==========================================
   AI CHAT ASSISTANT
   ========================================== */
.chat-widget-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
}

.chat-toggle-btn {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-full);
  background-color: var(--accent-color);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.4);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  transition: all var(--transition-normal);
}

.chat-toggle-btn:hover {
  transform: scale(1.08) rotate(5deg);
  box-shadow: 0 6px 24px rgba(2, 132, 199, 0.5);
}

.chat-panel {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  height: 520px;
  border-radius: var(--radius-lg);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-panel.active {
  display: flex;
}

.chat-header {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chat-bot-identity {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bot-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--accent-color);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.bot-name-wrapper h4 {
  font-size: 0.95rem;
  color: #ffffff;
  margin: 0;
}

.bot-status {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.bot-status::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: #22c55e;
  border-radius: var(--radius-full);
}

.chat-close-btn {
  color: #ffffff;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}
.chat-close-btn:hover {
  opacity: 1;
}

.chat-history {
  flex-grow: 1;
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  background-color: var(--bg-secondary);
}

.chat-message {
  max-width: 80%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.45;
  animation: fadeIn 0.25s ease;
}

.chat-message.bot {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  align-self: flex-start;
  border-bottom-left-radius: 0;
}

.chat-message.user {
  background-color: var(--accent-color);
  color: #ffffff;
  align-self: flex-end;
  border-bottom-right-radius: 0;
}

.chat-quick-replies {
  padding: 0.75rem 1rem;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.quick-reply-btn {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.quick-reply-btn:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.chat-input-area {
  padding: 1rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-primary);
  display: flex;
  gap: 0.5rem;
}

.chat-input {
  flex-grow: 1;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
}

.chat-send-btn {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background-color: var(--accent-color);
  color: #ffffff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}
.chat-send-btn:hover {
  background-color: #0271aa;
}

/* ==========================================
   COOKIE CONSENT & FLOATING CONTACTS
   ========================================= */
.cookie-consent-banner {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 360px;
  z-index: 998;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  display: none;
  animation: slideUp 0.4s ease;
}

.cookie-consent-banner.active {
  display: block;
}

.cookie-consent-banner h4 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.cookie-consent-banner p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.4;
}

.cookie-actions {
  display: flex;
  gap: 0.75rem;
}

.cookie-actions button {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
}

/* Floating contact buttons */
.floating-contact-buttons {
  position: fixed;
  left: 2rem;
  bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 990;
}

.float-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.35rem;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.float-btn:hover {
  transform: translateY(-4px) scale(1.05);
}

.float-btn-label {
  position: absolute;
  left: 60px;
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.float-btn:hover .float-btn-label {
  opacity: 1;
}

.float-call {
  background-color: var(--primary-color);
}

.float-whatsapp {
  background-color: #25d366;
}

.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 5rem;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  display: none;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  cursor: pointer;
  z-index: 900;
  transition: all var(--transition-fast);
}
.back-to-top.visible {
  display: flex;
}
.back-to-top:hover {
  background-color: var(--border-color);
  transform: translateY(-3px);
}

/* ==========================================
   FOOTER SECTION
   ========================================== */
.footer {
  background-color: #070a13;
  color: #94a3b8;
  padding: 5rem 0 2rem 0;
  border-top: 1px solid #1e293b;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: #94a3b8;
}

.footer-links a:hover {
  color: var(--accent-color);
  padding-left: 0.25rem;
}

.footer-socials {
  display: flex;
  gap: 0.75rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: #1e293b;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}
.social-icon:hover {
  background-color: var(--accent-color);
  transform: scale(1.05);
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
}

.newsletter-form input {
  background-color: #111827;
  border: 1px solid #1e293b;
  color: #ffffff;
  flex-grow: 1;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

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

/* ==========================================
   ANIMATIONS & KEYFRAMES
   ========================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* General Transition view wrapper */
.view-container {
  animation: fadeIn 0.4s ease;
}

/* ==========================================
   RESPONSIVE MEDIA QUERIES
   ========================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-stats {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .calc-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .header-container {
    height: 70px;
  }
  .nav-menu {
    display: none; /* Hide on mobile, loaded dynamically in drawer */
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .section {
    padding: 4rem 0;
  }
  .section-title {
    font-size: 2rem;
  }
  .hero-title {
    font-size: 2.5rem;
  }
  .grid-2, .grid-3, .grid-4, .services-grid, .projects-grid {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-ctas {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 180px;
  }
  .gallery-item.col-span-2 {
    grid-column: span 1;
  }
  .chat-panel {
    width: calc(100vw - 2rem);
    height: 480px;
    right: -1rem;
    bottom: 70px;
  }
  .cookie-consent-banner {
    width: calc(100vw - 4rem);
    left: 2rem;
    right: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .quote-form-card {
    padding: 1.5rem;
  }
  .calc-card {
    padding: 1.5rem;
  }
}