:root {
  --sitrak-primary: #004b72;
  --sitrak-secondary: #0ea5e9;
  --sitrak-black: #111111;
  --sitrak-dark-slate: #1e293b;
  --sitrak-slate: #334155;
  --sitrak-light-gray: #f8fafc;
  --sitrak-white: #ffffff;
  --sitrak-text: #334155;
  --sitrak-text-muted: #64748b;
  --sitrak-body-font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-lg: 16px;
  --radius-md: 8px;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 40px -5px rgba(0, 0, 0, 0.08);
}

body, h1, h2, h3, h4, h5, h6, .navbar-brand, .nav-link, p, a, div, span, button {
  font-family: var(--sitrak-body-font) !important;
}

body {
  color: var(--sitrak-text);
  background-color: var(--sitrak-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.text-primary-custom { color: var(--sitrak-primary); }
.bg-primary-custom { background-color: var(--sitrak-primary); }
.text-slate { color: var(--sitrak-slate); }

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--sitrak-dark-slate);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Navbar Premium Upgrade */
.navbar-sitrak {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  position: sticky;
  top: 0;
  z-index: 1030;
  transition: all 0.3s ease;
}
.navbar-sitrak.scrolled {
  padding: 8px 0;
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}
.navbar-sitrak .navbar-brand img { 
  height: 60px; 
  transition: height 0.3s ease;
}
.navbar-sitrak.scrolled .navbar-brand img {
  height: 50px;
}

.navbar-sitrak .nav-link {
  color: var(--sitrak-dark-slate);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 1px;
  padding: 10px 22px !important;
  margin: 0 4px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
  border-radius: 30px;
}
.navbar-sitrak .nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--sitrak-primary), #003655);
  border-radius: 30px;
  z-index: -1;
  transform: scale(0.5);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.navbar-sitrak .nav-link:hover, .navbar-sitrak .nav-link.active { 
  color: #ffffff !important; 
  transform: translateY(-2px);
}
.navbar-sitrak .nav-link:hover::before, .navbar-sitrak .nav-link.active::before {
  transform: scale(1);
  opacity: 1;
  box-shadow: 0 8px 20px rgba(0, 75, 114, 0.4);
}

/* Base Hero Section (for index.php) */
.hero-section {
  height: 80vh;
  background: linear-gradient(to right, rgba(0, 75, 114, 0.8), rgba(0, 20, 40, 0.4)), url('../img/cekici-1.jpeg') center/cover;
  display: flex;
  align-items: center;
  color: var(--sitrak-white);
}
.hero-section h1 { 
  font-size: 3.5rem; 
  font-weight: 800; 
  text-transform: uppercase; 
  letter-spacing: 1px; 
  color: white;
}

.section-padding { padding: 80px 0; }
.bg-light-gray { background-color: var(--sitrak-light-gray); }

/* Footer */
.footer-sitrak {
  background-color: var(--sitrak-dark-slate);
  color: #94a3b8;
  padding: 80px 0 30px;
}
.footer-sitrak h5 { color: var(--sitrak-white); font-weight: 700; margin-bottom: 25px; }
.footer-sitrak a { color: #94a3b8; text-decoration: none; transition: color 0.2s; }
.footer-sitrak a:hover { color: var(--sitrak-secondary); }
.footer-sitrak-bottom { border-top: 1px solid rgba(255,255,255,0.1); margin-top: 50px; padding-top: 25px; }

/* Buttons */
.btn-sitrak {
  background-color: var(--sitrak-primary);
  color: var(--sitrak-white);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 14px 32px;
  transition: all 0.3s ease;
  border: none;
  box-shadow: 0 4px 6px rgba(0, 75, 114, 0.2);
}
.btn-sitrak:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 15px rgba(0, 75, 114, 0.3);
  background-color: #003655; 
  color: var(--sitrak-white);
}
.btn-outline-sitrak {
  color: var(--sitrak-white);
  border-color: rgba(255,255,255,0.5);
  border-radius: var(--radius-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 13px 32px;
  transition: all 0.3s;
  border-width: 2px;
}
.btn-outline-sitrak:hover {
  transform: translateY(-2px);
  background-color: var(--sitrak-white);
  color: var(--sitrak-primary);
  border-color: var(--sitrak-white);
}

/* =========================================
   HARMONIC PRODUCT PAGE OVERHAUL
   ========================================= */

/* Hero Section */
.premium-hero {
  height: 80vh;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-bottom: 0;
  background-color: var(--sitrak-dark-slate);
}
.premium-hero img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.premium-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* Elegant corporate gradient overlay */
  background: linear-gradient(90deg, rgba(0,30,50,0.85) 0%, rgba(0,50,80,0.4) 100%);
  z-index: 2;
}
.premium-hero-content {
  color: var(--sitrak-white);
  z-index: 3;
  position: relative;
}
.premium-hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  line-height: 1.1;
  margin-bottom: 25px;
  color: white;
}
.max-w-700 { max-width: 700px; }

/* Sticky Sub Navigation (Clean & White) */
.sticky-subnav {
  position: sticky;
  top: 80px; /* Adjust based on main navbar height */
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1020;
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid #e2e8f0;
  padding: 15px 0;
}
.sticky-subnav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}
.sticky-subnav a {
  color: var(--sitrak-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 1px;
  transition: all 0.2s;
  position: relative;
  text-decoration: none;
  padding-bottom: 5px;
}
.sticky-subnav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--sitrak-primary);
  transition: width 0.3s ease;
}
.sticky-subnav a:hover, .sticky-subnav a.active {
  color: var(--sitrak-primary);
}
.sticky-subnav a:hover::after, .sticky-subnav a.active::after {
  width: 100%;
}

/* Highlights Section - Light, Card-based, Airy */
.highlights-section {
  background: var(--sitrak-light-gray);
  padding: 100px 0;
}
.highlight-item {
  text-align: center;
  background: var(--sitrak-white);
  padding: 40px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
}
.highlight-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.highlight-icon {
  font-size: 2.5rem;
  color: var(--sitrak-primary);
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background-color: #f0f6f9;
  border-radius: 50%;
}
.highlight-value {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 5px;
  color: var(--sitrak-dark-slate);
  line-height: 1;
}
.highlight-label {
  font-size: 0.9rem;
  color: var(--sitrak-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

/* Z-Layout Feature Blocks */
.feature-block {
  padding: 100px 0;
  background: var(--sitrak-white);
}
.feature-block.bg-dark-alt {
  background: var(--sitrak-light-gray);
}
.feature-block-img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.feature-block-content {
  padding: 0 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}
.feature-block-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--sitrak-dark-slate);
}
.feature-block-content p {
  font-size: 1.1rem;
  color: var(--sitrak-text);
  margin-bottom: 1.5rem;
}
.tracking-wide {
  letter-spacing: 2px;
}

/* Technical Specifications Accordion - Clean Corporate */
.specs-section {
  padding: 100px 0;
  background: var(--sitrak-white);
}
.specs-accordion {
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--sitrak-white);
}
.specs-accordion .accordion-item {
  background-color: var(--sitrak-white);
  border: none;
  border-bottom: 1px solid #e2e8f0;
  border-radius: 0;
}
.specs-accordion .accordion-item:last-child {
  border-bottom: none;
}
.specs-accordion .accordion-button {
  background-color: var(--sitrak-light-gray);
  color: var(--sitrak-dark-slate);
  font-weight: 700;
  font-size: 1.25rem;
  padding: 24px 30px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: none;
  transition: all 0.2s;
}
.specs-accordion .accordion-button:hover {
  background-color: #f1f5f9;
}
.specs-accordion .accordion-button:not(.collapsed) {
  color: var(--sitrak-white);
  background-color: var(--sitrak-primary);
  box-shadow: none;
}
.specs-accordion .accordion-button:not(.collapsed)::after {
  filter: brightness(0) invert(1);
}
.specs-accordion .accordion-body {
  padding: 0;
  background-color: var(--sitrak-white);
}
.spec-row {
  display: flex;
  padding: 16px 30px;
  border-bottom: 1px solid #f1f5f9;
}
.spec-row:last-child {
  border-bottom: none;
}
.spec-row:nth-child(even) {
  background-color: #fafbfc;
}
.spec-label {
  flex: 0 0 35%;
  font-weight: 600;
  color: var(--sitrak-slate);
}
.spec-value {
  flex: 1;
  color: var(--sitrak-text);
}

/* Gallery Hover Overlay */
.gallery-card {
    position: relative;
    border-radius: var(--radius-md);
}
.gallery-card img {
    border-radius: var(--radius-md);
}
.gallery-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 75, 114, 0.7); /* Corporate Blue Overlay */
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
    color: white;
    font-size: 2.5rem;
    border-radius: var(--radius-md);
}
.gallery-card:hover .gallery-overlay {
    opacity: 1;
}

/* Banner */
.bg-primary {
  background-color: var(--sitrak-primary) !important;
}

/* =========================================
   INDEX PAGE & FOOTER FIXES
   ========================================= */

/* Footer Fixes */
.footer-sitrak ul {
  list-style: none;
  padding-left: 0;
}
.footer-sitrak ul li {
  margin-bottom: 12px;
}
.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255,255,255,0.05);
  color: var(--sitrak-white);
  border-radius: 50%;
  margin-right: 10px;
  transition: all 0.3s;
}
.social-links a:hover {
  background-color: var(--sitrak-primary);
  transform: translateY(-3px);
}

/* Floating Buttons */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  left: 30px;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: transform 0.3s;
}
.floating-whatsapp:hover {
  transform: scale(1.1);
  color: white;
}
.scroll-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--sitrak-dark-slate);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: var(--shadow-md);
  z-index: 1000;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}
.scroll-to-top.active {
  opacity: 1;
  visibility: visible;
}
.scroll-to-top:hover {
  background-color: var(--sitrak-primary);
}

/* Index.php Hero Banner */
.hero-banner {
  position: relative;
  height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: var(--sitrak-dark-slate);
}
.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 20, 35, 0.65); /* Uniform dark overlay for better contrast */
  z-index: 2;
}
.hero-content {
  z-index: 3;
}
.hero-content h1 {
  font-size: clamp(2rem, 8vw, 4.5rem);
  font-weight: 900;
  color: #ffffff !important;
  text-transform: uppercase;
  letter-spacing: -1px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}
.hero-content p.lead {
  text-shadow: 0 2px 10px rgba(0,0,0,0.8);
  font-weight: 500;
  color: #ffffff !important;
}

/* Index.php Product Cards */
.product-card {
  background-color: var(--sitrak-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s, box-shadow 0.3s;
  height: 100%;
}
.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.product-gallery {
  height: 300px;
  overflow: hidden;
}
.product-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.product-card:hover .product-gallery img {
  transform: scale(1.05);
}
.product-content {
  padding: 30px;
}
.product-content h3 {
  font-size: 1.5rem;
  margin-bottom: 20px;
  color: var(--sitrak-dark-slate);
}
.feature-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 25px;
}
.feature-list li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
  color: var(--sitrak-text);
  font-weight: 500;
}
.feature-list li::before {
  content: '?';
  position: absolute;
  left: 0;
  color: var(--sitrak-primary);
  font-weight: bold;
}

/* Why SITRAK Features */
.features-section {
  background-color: var(--sitrak-light-gray);
}
.feature-box {
  background-color: var(--sitrak-white);
  padding: 40px 30px;
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
  height: 100%;
  transition: transform 0.3s;
}
.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.feature-box .feature-icon {
  font-size: 3rem;
  color: var(--sitrak-primary);
  margin-bottom: 20px;
}
.feature-box h4 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  color: var(--sitrak-dark-slate);
}
.feature-box p {
  color: var(--sitrak-text-muted) !important;
}

/* Stats Section */
.stats-section {
  position: relative;
  background: url('../img/damper-1.jpeg') center/cover fixed;
  color: white;
}
.stats-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 75, 114, 0.85);
  z-index: 0;
}
.stat-item {
  text-align: center;
}
.stat-number {
  font-size: 4rem;
  font-weight: 900;
  color: white;
  line-height: 1;
  display: inline-block;
  margin-bottom: 10px;
}
.stat-title {
  color: rgba(255,255,255,0.8) !important;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* CTA Section */
.cta-section {
  padding: 100px 0;
  text-align: center;
  color: white;
}

/* =========================================
   PAGE LOADER
   ========================================= */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--sitrak-white);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.2s ease;
}
.loader-logo {
  height: auto;
  max-height: 80px;
  width: auto;
  max-width: 80vw;
  object-fit: contain;
  animation: pulse 1.5s infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
  100% { transform: scale(1); opacity: 1; }
}

/* Premium Product Cards Update */
.product-card {
  border: 1px solid rgba(0,0,0,0.05);
}
.product-gallery {
  height: 380px;
  position: relative;
}
.product-gallery::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; width: 100%; height: 30%;
  background: linear-gradient(to top, rgba(0,0,0,0.4), transparent);
  z-index: 1;
}
.product-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(5px);
  padding: 8px 16px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--sitrak-primary);
  z-index: 2;
  box-shadow: var(--shadow-sm);
}
.product-content {
  padding: 40px;
}
.product-content h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 20px;
}
.premium-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}
.premium-feature-badge {
  background: var(--sitrak-light-gray);
  border: 1px solid #e2e8f0;
  padding: 8px 15px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sitrak-slate);
  display: flex;
  align-items: center;
  transition: all 0.2s;
}
.premium-feature-badge i {
  color: var(--sitrak-primary);
  margin-right: 6px;
  font-size: 1.1rem;
}
.product-card:hover .premium-feature-badge {
  border-color: var(--sitrak-primary);
  background: white;
}
.premium-action-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 18px 25px;
  background: var(--sitrak-dark-slate);
  color: white;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s;
  border: none;
}
.premium-action-btn i {
  transition: transform 0.3s;
  font-size: 1.2rem;
}
.product-card:hover .premium-action-btn {
  background: var(--sitrak-primary);
  color: white;
  box-shadow: 0 10px 20px rgba(0, 75, 114, 0.3);
}
.product-card:hover .premium-action-btn i {
  transform: translateX(8px);
}

/* =========================================
   PREMIUM MEGA MENU
   ========================================= */
.navbar-sitrak .mega-menu {
  position: static !important; /* Forces dropdown to span full navbar width */
}
.mega-dropdown-menu {
  width: 100%;
  left: 0;
  right: 0;
  background: white;
  border: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
  padding: 40px 0;
  margin-top: -2px; /* Pull up to touch navbar */
  border-top: 3px solid var(--sitrak-primary);
  display: block;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* Trigger on hover for desktop */
@media (min-width: 992px) {
  .mega-menu:hover .mega-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}
/* For mobile, display normally when active */
@media (max-width: 991px) {
  .mega-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    position: static;
    padding: 20px 10px;
  }
}

.mega-menu-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--sitrak-dark-slate);
  margin-bottom: 15px;
  text-transform: uppercase;
}
.mega-menu-card {
  display: block;
  text-decoration: none;
  background: var(--sitrak-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.03);
  transition: all 0.4s ease;
  border: 1px solid #f1f5f9;
}
.mega-menu-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 30px rgba(0, 75, 114, 0.1);
  border-color: var(--sitrak-primary);
}
.mega-card-img {
  height: 160px;
  position: relative;
  overflow: hidden;
}
.mega-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.mega-menu-card:hover .mega-card-img img {
  transform: scale(1.08);
}
.mega-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(4px);
  color: var(--sitrak-primary);
  font-weight: 800;
  font-size: 0.75rem;
  padding: 6px 12px;
  border-radius: 30px;
  box-shadow: var(--shadow-sm);
}
.mega-card-body {
  padding: 20px;
}
.mega-card-body h5 {
  color: var(--sitrak-dark-slate);
  font-size: 1.15rem;
  font-weight: 800;
  transition: color 0.3s;
  margin-bottom: 5px;
}
.mega-menu-card:hover .mega-card-body h5 {
  color: var(--sitrak-primary);
}

/* =========================================
   PREMIUM CTA CARD
   ========================================= */
.premium-cta-card {
  background: var(--sitrak-white);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 75, 114, 0.08);
  position: relative;
  border: 1px solid rgba(0,0,0,0.05);
}
.premium-cta-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(135deg, #ffffff 0%, #f1f5f9 100%);
  z-index: 0;
  pointer-events: none;
}
.premium-cta-card > .row {
  position: relative;
  z-index: 1;
}
.cta-side-image {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 100%;
  object-fit: cover;
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
  filter: brightness(0.85);
}

/* CTA Overlay Collage CSS */
.cta-images-wrapper {
  position: relative;
  height: 400px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cta-img-front {
  position: absolute;
  right: -20px;
  bottom: 20px;
  width: 65%;
  height: 65%;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: -10px 20px 40px rgba(0,0,0,0.1);
  border: 4px solid white;
  z-index: 2;
  transition: transform 0.5s ease;
  mix-blend-mode: darken;
}
.cta-img-back {
  position: absolute;
  left: -20px;
  top: 20px;
  width: 65%;
  height: 65%;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 15px 30px rgba(0,0,0,0.08);
  border: 4px solid white;
  z-index: 1;
  opacity: 0.85;
  transition: all 0.5s ease;
  mix-blend-mode: darken;
}
.premium-cta-card:hover .cta-img-front {
  transform: scale(1.05) translate(-10px, -10px);
}
.premium-cta-card:hover .cta-img-back {
  opacity: 1;
  transform: scale(1.02) translate(10px, 10px);
}

/* =========================================
   PREMIUM FOOTER
   ========================================= */
.footer-sitrak {
  background: var(--sitrak-dark-slate);
  color: white;
  padding: 80px 0 30px;
  border-top: 5px solid var(--sitrak-primary);
}
.footer-title {
  color: white;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 25px;
  font-size: 1.1rem;
  position: relative;
  display: inline-block;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--sitrak-primary);
}
.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-list li {
  margin-bottom: 15px;
}
.footer-list a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  font-weight: 500;
}
.footer-list a:hover {
  color: white;
  transform: translateX(5px);
}
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  color: white;
  border-radius: 50%;
  transition: all 0.3s ease;
  font-size: 1.1rem;
  text-decoration: none;
}
.social-icon:hover {
  background: var(--sitrak-primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 165, 233, 0.4);
}
.footer-contact-list {
  list-style: none;
  padding: 0;
}
.footer-contact-list li {
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}
.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-radius: 8px;
  margin-right: 15px;
  font-size: 1.1rem;
}
.footer-bottom {
  margin-top: 50px;
  padding-top: 25px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* =========================================
   FEATURE CARDS (PRODUCT PAGES)
   ========================================= */
.feature-card:hover {
  background: rgba(255,255,255,0.08) !important;
  transform: translateY(-10px);
  border-color: rgba(0, 165, 233, 0.3) !important;
  box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}
.feature-card .icon-wrapper {
  transition: all 0.3s ease;
}
.feature-card:hover .icon-wrapper {
  background: var(--sitrak-primary) !important;
  color: white !important;
  transform: scale(1.1);
  box-shadow: 0 5px 15px rgba(0, 165, 233, 0.4);
}

/* =========================================
   APP-LIKE MOBILE BOTTOM NAV BAR
   ========================================= */
.mobile-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1040;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.04);
  padding-bottom: env(safe-area-inset-bottom);
}

.mobile-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--sitrak-text-muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  width: 25%;
  height: 100%;
  position: relative;
}

.mobile-bottom-nav-item i {
  font-size: 20px;
  margin-bottom: 4px;
  transition: transform 0.2s ease;
  color: var(--sitrak-slate);
}

.mobile-bottom-nav-item.active {
  color: var(--sitrak-primary);
}

.mobile-bottom-nav-item.active i {
  transform: translateY(-2px);
  color: var(--sitrak-primary);
}

.mobile-bottom-nav-item.call-btn {
  color: var(--sitrak-white);
}
.mobile-bottom-nav-item.call-btn .icon-wrapper {
  background: linear-gradient(135deg, var(--sitrak-primary), var(--sitrak-secondary));
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2px;
  box-shadow: 0 4px 12px rgba(0, 75, 114, 0.3);
  transform: translateY(-10px);
  border: 4px solid var(--sitrak-white);
  transition: all 0.3s ease;
}
.mobile-bottom-nav-item.call-btn:hover .icon-wrapper,
.mobile-bottom-nav-item.call-btn:active .icon-wrapper {
  transform: translateY(-12px) scale(1.05);
  box-shadow: 0 6px 16px rgba(0, 75, 114, 0.4);
}
.mobile-bottom-nav-item.call-btn span {
  color: var(--sitrak-primary);
  font-weight: 800;
  margin-top: -8px;
}

/* =========================================
   APP-LIKE MOBILE OFFCANVAS DRAWER
   ========================================= */
.offcanvas-sitrak {
  width: 280px !important;
  background: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-left: none !important;
  border-right: 1px solid rgba(0, 0, 0, 0.05) !important;
}

.offcanvas-sitrak .offcanvas-header {
  position: relative;
  padding: 15px 60px 15px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.btn-close-custom {
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  background: none !important;
  border: none !important;
  font-size: 20px;
  color: var(--sitrak-dark-slate) !important;
  padding: 8px !important;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 50%;
  width: 40px;
  height: 40px;
}
.btn-close-custom:hover, .btn-close-custom:active {
  background-color: rgba(0, 0, 0, 0.05) !important;
  transform: translateY(-50%) rotate(90deg);
  color: var(--sitrak-primary) !important;
}

.offcanvas-sitrak .offcanvas-body {
  padding: 24px 15px;
}

.offcanvas-menu-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.offcanvas-menu-item {
  margin-bottom: 8px;
}

.offcanvas-menu-link {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: var(--sitrak-dark-slate);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 10px;
  transition: all 0.3s ease;
  background: transparent;
}

.offcanvas-menu-link i {
  font-size: 18px;
  margin-right: 12px;
  color: var(--sitrak-slate);
  transition: all 0.3s ease;
  width: 24px;
  text-align: center;
}

.offcanvas-menu-link:hover, 
.offcanvas-menu-link.active {
  background: rgba(0, 75, 114, 0.06);
  color: var(--sitrak-primary);
}

.offcanvas-menu-link:hover i, 
.offcanvas-menu-link.active i {
  color: var(--sitrak-primary);
  transform: scale(1.1);
}

/* Offcanvas Accordion */
.offcanvas-accordion .accordion-item {
  background: transparent;
  border: none;
}

.offcanvas-accordion .accordion-button {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: var(--sitrak-dark-slate);
  background: transparent;
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 10px;
  box-shadow: none !important;
}

.offcanvas-accordion .accordion-button::after {
  margin-left: auto;
  filter: brightness(0.2);
  font-size: 12px;
}

.offcanvas-accordion .accordion-button:not(.collapsed) {
  color: var(--sitrak-primary);
  background: rgba(0, 75, 114, 0.06);
}

.offcanvas-accordion .accordion-button i {
  font-size: 18px;
  margin-right: 12px;
  color: var(--sitrak-slate);
  width: 24px;
  text-align: center;
}

.offcanvas-accordion .accordion-button:not(.collapsed) i {
  color: var(--sitrak-primary);
}

.offcanvas-submenu {
  list-style: none;
  padding: 4px 0 4px 24px;
  margin: 0;
}

.offcanvas-submenu-link {
  display: block;
  padding: 8px 16px;
  color: var(--sitrak-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.offcanvas-submenu-link:hover,
.offcanvas-submenu-link.active {
  color: var(--sitrak-primary);
  background: rgba(0, 75, 114, 0.03);
}

/* =========================================
   RESPONSIVE APP-LIKE TWEAKS (MOBILE ONLY)
   ========================================= */
@media (max-width: 991.98px) {
  body {
    padding-bottom: 70px;
  }
  
  html, body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
  }
  
  .navbar-sitrak .navbar-collapse {
    display: none !important;
  }
  
  .hero-banner {
    height: 60vh !important;
  }
  
  .navbar-sitrak {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }
  
  .navbar-sitrak .navbar-brand img {
    height: 46px !important;
  }
  
  .section-padding {
    padding: 50px 0;
  }
  
  .form-control, .form-select {
    padding: 12px 16px;
    font-size: 16px;
  }
  
  .premium-hero {
    height: 45vh !important;
    min-height: 300px !important;
  }
  .premium-hero h1 {
    font-size: 2rem !important;
    letter-spacing: 1px !important;
  }
  
  .product-gallery {
    height: 280px !important;
  }
  
  .stat-number {
    font-size: 3rem !important;
  }
  
  .footer-sitrak {
    padding: 60px 0 100px !important;
  }
}

@media (min-width: 992px) {
  .mobile-bottom-nav,
  .offcanvas-sitrak {
    display: none !important;
  }
}

/* Premium Static Banner Style (Hakkımızda, Ürünler, İletişim) */
.premium-static-banner {
  aspect-ratio: 1983 / 793 !important;
  width: 100% !important;
  height: auto !important;
  min-height: auto !important;
  overflow: hidden;
}

@media (max-width: 991.98px) {
  .premium-static-banner {
    aspect-ratio: 1983 / 793 !important;
    width: 100% !important;
    height: auto !important;
    min-height: 140px !important;
  }
  .premium-static-banner .container {
    padding-top: 1.8rem !important;
    margin-top: 0.8rem !important;
  }
  .premium-static-banner h1 {
    font-size: 1.5rem !important;
    margin-top: 0.2rem !important;
  }
  .premium-static-banner .mx-auto.mt-3 {
    margin-top: 0.5rem !important;
  }
}