:root {
  --primary-blue: #1e40af;
  --ice-blue: #e0f2fe;
  --arctic-white: #ffffff;
  --tech-gray: #475569;
  --warning-orange: #f97316;
  --success-green: #059669;
  --dark-navy: #0f172a;
  --light-gray: #f1f5f9;
}

/* Typography */
html { box-sizing: border-box; }
*, *::before, *::after { box-sizing: inherit; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--tech-gray);
  background: var(--arctic-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: "Arial", "Helvetica", sans-serif;
  color: var(--dark-navy);
  line-height: 1.3;
  margin: 0 0 0.75rem 0;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p, li { font-size: 1rem; }

/* Layout */
.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}
.section { padding: 3rem 0; }
.section.alt { background: var(--light-gray); }
.center { text-align: center; }
.small { font-size: 0.875rem; }

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }

/* Header */
.site-header { position: sticky; top: 0; background: var(--arctic-white); border-bottom: 1px solid #e5e7eb; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; }
.logo { 
  font-weight: 800; 
  color: #000000; 
  text-decoration: none; 
  font-size: 1.25rem; 
  display: flex;
  align-items: center;
}
.logo:hover { color: var(--primary-blue); }

.nav-toggle { 
  display: inline-flex; 
  background: transparent; 
  border: 1px solid #e5e7eb; 
  padding: 0.5rem 0.75rem; 
  border-radius: 6px; 
  cursor: pointer;
  transition: all 200ms ease;
}
.nav-toggle:hover { 
  background: rgba(30,64,175,0.05); 
  border-color: var(--primary-blue);
}
.menu { list-style: none; margin: 0; padding: 0; display: none; gap: 0.5rem; }
.menu.open { display: flex; flex-direction: column; }
.menu > li { display: flex; align-items: center; }
.menu a { color: var(--dark-navy); text-decoration: none; padding: 0.6rem 1rem; display: inline-block; border-radius: 8px; transition: all 200ms ease; font-weight: 500; }
.menu a.cta { background: var(--warning-orange); color: white; border-radius: 8px; font-weight: 600; }
.menu a.cta.b2b { background: var(--primary-blue); }
.menu .active > a, .menu a:hover { color: var(--primary-blue); background: rgba(30,64,175,0.08); box-shadow: inset 0 0 0 1px rgba(30,64,175,0.12); }
.menu a.cta:hover { background: #fb923c; color: white; box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.menu a.cta.b2b:hover { background: #1d4ed8; color: white; box-shadow: 0 2px 8px rgba(0,0,0,0.12); }

/* Menu Groups */
.menu-group { position: relative; }
.menu-label { 
  color: var(--tech-gray); 
  font-size: 0.875rem; 
  font-weight: 600; 
  text-transform: capitalize; 
  letter-spacing: 0.5px;
  padding: 0.6rem 1rem;
  background: rgba(30,64,175,0.05);
  border-radius: 8px;
  border: 1px solid rgba(30,64,175,0.1);
  cursor: pointer;
  user-select: none;
  transition: all 200ms ease;
}
.menu-label:hover { 
  background: rgba(30,64,175,0.08); 
  border-color: rgba(30,64,175,0.2);
}
.submenu { 
  list-style: none; 
  padding: 1rem 0 0 0; /* Add padding to bridge the gap */
  margin: -1rem 0 0 0; /* Pull submenu up to close the gap */
  display: none; 
  position: absolute; /* Ensure proper positioning */
  background: rgba(255,255,255,0.95);
  border-radius: 8px;
  border: 1px solid rgba(30,64,175,0.1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  min-width: 200px; /* Give it a consistent width */
  z-index: 20; /* Ensure it's above other content */
}
.menu-group:hover .submenu { display: block; }
.submenu li { margin: 0; }
.submenu a { 
  padding: 0.75rem 1rem; 
  font-size: 0.9rem; 
  background: transparent;
  border-left: 3px solid transparent;
  border-radius: 0;
  transition: all 200ms ease;
}
.submenu a:hover { 
  background: rgba(30,64,175,0.08); 
  border-left-color: var(--primary-blue);
}
.submenu a.active { 
  background: rgba(30,64,175,0.1); 
  border-left-color: var(--primary-blue);
  color: var(--primary-blue);
  font-weight: 600;
}

/* CTA Group */
.cta-group { display: flex; gap: 0.5rem; }
.cta-group .cta { margin: 0; }

/* Mobile Menu Improvements */
@media (max-width: 767px) {
  .menu { 
    position: absolute; 
    top: 100%; 
    left: 0; 
    right: 0; 
    background: white; 
    border: 1px solid #e5e7eb; 
    border-top: none;
    border-radius: 0 0 12px 12px; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.1); 
    padding: 1rem; 
    z-index: 100;
    max-height: 80vh;
    overflow-y: auto;
  }
  
  .menu > li { 
    margin: 0.5rem 0; 
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 0.5rem;
  }
  .menu > li:last-child { 
    border-bottom: none; 
    padding-bottom: 0;
  }
  
  .menu-group { 
    display: block; 
    width: 100%;
  }
  
  .menu-label { 
    width: 100%; 
    text-align: left; 
    background: rgba(30,64,175,0.05);
    border: 1px solid rgba(30,64,175,0.1);
    border-radius: 8px;
    margin-bottom: 0.5rem;
  }
  
  .submenu { 
    position: static; 
    display: block; 
    background: transparent; 
    border: none; 
    box-shadow: none; 
    margin: 0.5rem 0 0 0.5rem; 
    padding-left: 1rem;
    border-left: 2px solid rgba(30,64,175,0.2);
  }
  
  .submenu a { 
    padding: 0.5rem 0.75rem; 
    font-size: 0.9rem;
    border-left: none;
    border-radius: 6px;
    margin: 0.25rem 0;
  }
  
  .cta-group { 
    flex-direction: column; 
    gap: 0.75rem; 
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #f1f5f9;
  }
  
  .cta-group .cta { 
    text-align: center; 
    padding: 0.75rem 1rem;
    font-size: 1rem;
  }
}

/* Hero */
.hero .grid-2 { align-items: center; }
.hero-media { display: grid; gap: 1rem; }
.hero-image { width: 100%; border-radius: 16px; border: 1px solid #e5e7eb; box-shadow: 0 8px 24px rgba(2,6,23,0.08); object-fit: cover; aspect-ratio: 16/10; background: #f8fafc; }
.hero-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.stat { background: var(--ice-blue); border: 1px solid #dbeafe; padding: 1rem; border-radius: 10px; text-align: center; }
.stat strong { font-size: 1.5rem; display: block; color: var(--primary-blue); }
.stat span { font-size: 0.875rem; color: var(--tech-gray); }

/* Cards */
.cards { gap: 1rem; }
.card { background: white; border: 1px solid #e5e7eb; border-radius: 12px; padding: 1.25rem; box-shadow: 0 1px 2px rgba(0,0,0,0.04); }
.card h3 { margin-bottom: 0.5rem; }

/* Lists */
.check-list { list-style: none; padding: 0; }
.check-list li { padding-left: 1.25rem; position: relative; margin: 0.5rem 0; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--success-green); }
.brand-list { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; }
.brand-list li { background: #eef2ff; color: var(--primary-blue); padding: 0.35rem 0.6rem; border-radius: 999px; border: 1px solid #e0e7ff; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: 50px; /* High radius for pill shape */
  text-decoration: none;
  border: none;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.btn-primary {
  background-image: linear-gradient(45deg, #f97316 0%, #fb923c 100%);
  color: white;
}

.btn-whatsapp {
  background-image: linear-gradient(45deg, #25D366 0%, #128C7E 100%);
  color: white;
}

.btn-secondary {
  background: #e2e8f0;
  color: var(--dark-navy);
}

.btn .btn-icon {
  width: 1.2em;
  height: 1.2em;
  fill: currentColor;
}

.btn + .btn {
  margin-left: 1rem;
}

.link { color: var(--primary-blue); text-decoration: underline; }

/* Footer */
.site-footer { background: var(--dark-navy); color: #cbd5e1; margin-top: 2rem; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; padding: 2rem 0; }
.footer-title { color: #e2e8f0; font-size: 1rem; font-weight: 700; margin: 0 0 0.75rem 0; letter-spacing: 0.2px; }
.footer-menu { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.35rem; }
.footer-menu a { color: #cbd5e1; text-decoration: none; }
.footer-menu a:hover { color: #ffffff; text-decoration: underline; }
.footer-brand { max-width: 32rem; }
.footer-brand-name { color: #ffffff; font-weight: 800; font-size: 1.125rem; display: inline-block; margin-bottom: 0.25rem; text-decoration: none; }
.footer-contact { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.35rem; }
.footer-contact a { color: #cbd5e1; text-decoration: none; }
.footer-contact a:hover { color: #ffffff; text-decoration: underline; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 0.75rem 0 1.25rem; display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; justify-content: space-between; }
.footer-bottom-links { list-style: none; padding: 0; margin: 0; display: flex; gap: 0.75rem; }
.footer-bottom-links a { color: #cbd5e1; text-decoration: none; }
.footer-bottom-links a:hover { color: #ffffff; }

/* Social icons */
.footer-social .social-list { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.social-link { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; color: #cbd5e1; }
.social-icon { width: 22px; height: 22px; display: inline-block; }
.social-link:hover { color: #ffffff; }

/* Forms */
.form label { display: grid; gap: 0.35rem; margin-bottom: 0.75rem; }
input, textarea { border: 1px solid #e5e7eb; border-radius: 8px; padding: 0.6rem 0.75rem; font-size: 1rem; }
fieldset { border: 1px solid #e5e7eb; border-radius: 10px; margin: 1rem 0; padding: 1rem; }
legend { padding: 0 0.5rem; font-weight: 700; }
.form-actions { display: flex; gap: 0.5rem; align-items: center; }
.form-message { margin-top: 0.75rem; font-weight: 600; }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid #e5e7eb; padding: 0.6rem; text-align: left; }
th { background: #f8fafc; }

/* Responsive tables */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-scroll table { min-width: 640px; }

/* Motion reduction */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* Entry Gate (first visit chooser) */
.entry-gate { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; z-index: 1000; padding: 1rem; }
.entry-gate.open { display: flex; }
.entry-backdrop { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.55), rgba(30,41,59,0.55)); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.entry-card {
  position: relative; z-index: 1; width: min(860px, 100%);
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 20px;
  box-shadow: 0 24px 60px rgba(2,6,23,0.35), inset 0 0 0 1px rgba(255,255,255,0.06);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  overflow: hidden;
}
.entry-card .glass-accent { position: absolute; pointer-events: none; filter: blur(26px); opacity: 0.6; }
.entry-card .glass-accent.a { width: 320px; height: 320px; left: -60px; top: -80px; background: radial-gradient( circle at 30% 30%, rgba(30,64,175,0.55), transparent 60% ); }
.entry-card .glass-accent.b { width: 280px; height: 280px; right: -40px; bottom: -60px; background: radial-gradient( circle at 70% 70%, rgba(249,115,22,0.45), transparent 60% ); }
.entry-header { text-align: center; margin-bottom: 1rem; position: relative; }
.entry-header h2 { margin: 0 0 0.35rem 0; font-size: clamp(1.25rem, 2.6vw, 1.8rem); color: var(--arctic-white); }
.entry-header p { margin: 0; color: #e2e8f0; opacity: 0.9; }
.entry-options { display: grid; gap: 0.9rem; margin-top: 1.1rem; }
.entry-option {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 0.85rem;
  border: 1px solid rgba(255,255,255,0.28);
  border-radius: 16px; padding: 1rem 1.1rem; 
  background: rgba(255,255,255,0.18);
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}
.entry-option:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(2,6,23,0.25); border-color: rgba(147,197,253,0.6); background: rgba(255,255,255,0.22); }
.entry-option h3 { margin: 0; font-size: 1.08rem; color: var(--arctic-white); }
.entry-option p { margin: 0; font-size: 0.95rem; color: #e5e7eb; opacity: 0.9; }
.entry-option .btn { justify-self: end; }
.entry-note { margin-top: 0.8rem; font-size: 0.85rem; color: #cbd5e1; text-align: center; }

@media (min-width: 768px) {
  .entry-options { grid-template-columns: 1fr 1fr; }
  .entry-option { grid-template-columns: 1fr; align-content: start; }
  .entry-option .btn { justify-self: start; }
}

/* Mobile Gallery Adjustments */
@media (max-width: 767px) {
  .gallery-slide {
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 100%;
  }
  
  .gallery-item {
    width: 100%;
    height: 100%;
  }
  
  .gallery-container {
    width: 200%;
  }
  
  .gallery-image {
    height: 180px;
  }
}

/* Logo Styles */
.logo-img {
  height: 60px; /* Yüksekliği artırarak logoyu büyütüyoruz */
  width: auto;
  object-fit: contain;
  transform: scale(1.8); /* Görseli yakınlaştırarak büyütüyoruz */
}

.section-header-with-logo {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}

.section-header-with-logo h2 {
  margin: 0;
  font-size: 2rem;
  order: 1;
  height: 140px;
  display: flex;
  align-items: center;
  line-height: 1.2;
}

.section-logo {
  height: 140px;
  width: auto;
  object-fit: contain;
  transition: all 0.3s ease;
  flex-shrink: 0;
  order: 2;
}

.section-logo:hover {
  transform: scale(1.05);
}

/* Project Gallery Styles */
.project-gallery {
  background: var(--light-gray);
  position: relative;
}

.gallery-intro {
  text-align: center;
  font-size: 1.1rem;
  color: var(--tech-gray);
  margin-bottom: 2rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Swiper Container */
.project-slider {
  width: 100%;
  height: 380px; /* Adjust height as needed */
  margin-left: auto;
  margin-right: auto;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  overflow: hidden;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item {
  width: 100%;
  height: 100%;
  position: relative;
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
  transform: translateY(0);
}

.gallery-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%);
  color: white;
  padding: 2rem 1rem 1rem;
  opacity: 1; /* Always visible */
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.gallery-overlay h3 {
  color: white;
  margin: 0;
  font-size: 1.1rem;
}

/* Swiper Navigation */
.swiper-button-next,
.swiper-button-prev {
  color: var(--primary-blue);
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  transition: background-color 0.2s ease;
}
.swiper-button-next:hover,
.swiper-button-prev:hover {
  background-color: white;
}

.swiper-button-next::after,
.swiper-button-prev::after {
  font-size: 20px;
  font-weight: 900;
}

.swiper-pagination-bullet {
  background: var(--tech-gray);
  opacity: 0.5;
}

.swiper-pagination-bullet-active {
  background: var(--primary-blue);
  opacity: 1;
}


.gallery-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
  margin-top: 2rem;
}

.stat-item strong {
  display: block;
  font-size: 2.5rem;
  color: var(--primary-blue);
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.stat-item span {
  color: var(--tech-gray);
  font-size: 1rem;
  font-weight: 500;
}

.section-header-with-logo .check-list {
  order: 3;
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

.section-header-with-logo .check-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.4rem 0;
  font-size: 1rem;
  color: var(--tech-gray);
  text-align: left;
  line-height: 1.4;
  position: relative;
  padding-left: 1.5rem;
}

.section-header-with-logo .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background: var(--success-green);
  border-radius: 50%;
}

/* Brands Section */
.brands-section .container {
    text-align: center;
}
.brand-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}
.brand-logo img {
    max-height: 90px;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}
.brand-logo img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Product Gallery Section */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.product-card {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.1);
}
.product-card img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    background-color: #f8fafc;
}
.product-info {
    padding: 1rem;
}
.product-info h3 {
    margin-bottom: 0.5rem;
}

/* Ana Sayfa Galeri Özel Stilleri */
.index-page .project-gallery {
  padding: 3rem 0;
}

.index-page .project-gallery .container {
  max-width: 1200px;
}

.index-page .project-gallery h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.index-page .gallery-intro {
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.index-page .project-slider {
  height: 300px; /* Ana sayfada daha küçük */
}

.index-page .gallery-overlay h3 {
  font-size: 1rem;
  padding: 1rem 0.5rem 0.5rem;
}

.index-page .gallery-stats {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.index-page .stat-item {
  text-align: center;
  padding: 1rem;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.index-page .stat-item strong {
  display: block;
  font-size: 1.5rem;
  color: var(--primary-blue);
  margin-bottom: 0.25rem;
}

.index-page .stat-item span {
  font-size: 0.9rem;
  color: var(--tech-gray);
}

/* Partnership Section Styles */
.partnership-section {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 4rem 0;
}

.partnership-intro {
  text-align: center;
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 3rem auto;
  color: var(--tech-gray);
  line-height: 1.7;
}

.partnership-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.partnership-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.partner-logo {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-width: 200px;
}

.partner-logo:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.partner-img {
  width: 120px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 1rem auto;
  filter: grayscale(0%);
  transition: filter 0.3s ease;
}

.partner-logo:hover .partner-img {
  filter: grayscale(0%);
}

.partner-logo h3 {
  color: var(--dark-navy);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

.partner-logo p {
  color: var(--tech-gray);
  font-size: 0.9rem;
  margin: 0;
}

.partnership-symbol {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
}

.partnership-symbol svg {
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
  animation: pulse 2s infinite;
}

.partnership-symbol span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-blue);
  text-align: center;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Responsive Design for Partnership */
@media (max-width: 768px) {
  .partnership-logos {
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .partnership-symbol {
    order: -1;
    margin-bottom: 1rem;
  }
  
  .partner-logo {
    min-width: 180px;
    padding: 1.5rem;
  }
  
  .partner-img {
    width: 100px;
    height: 70px;
  }
}

/* Brands Section Styles */
.brands-section {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  padding: 4rem 0;
}

.brands-intro {
  text-align: center;
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 3rem auto;
  color: var(--tech-gray);
  line-height: 1.6;
}

.brands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.brand-item {
  text-align: center;
  padding: 2rem 1.5rem;
  background: white;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #f1f5f9;
}

.brand-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  border-color: var(--primary-blue);
}

.brand-logo {
  width: 120px;
  height: 60px;
  margin: 0 auto 1.5rem auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.8;
  transition: all 0.3s ease;
}

.brand-item:hover .brand-logo {
  filter: grayscale(0%);
  opacity: 1;
}

.brand-item h3 {
  color: var(--dark-navy);
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.brand-item p {
  color: var(--tech-gray);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.4;
}

/* Responsive Design for Brands */
@media (max-width: 768px) {
  .brands-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .brand-item {
    padding: 1.5rem 1rem;
  }
  
  .brand-logo {
    width: 100px;
    height: 50px;
  }
}

@media (max-width: 480px) {
  .brands-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Hero Section Styles */
.page-hero {
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  padding: 4rem 0 2rem 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  color: var(--dark-navy);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--tech-gray);
  margin-bottom: 1.5rem;
  line-height: 1.6;
  font-weight: 500;
}

.categories-intro {
  font-size: 1.1rem;
  color: var(--tech-gray);
  line-height: 1.6;
  margin: 0;
  opacity: 0.9;
}

/* Categories Section Styles */
.categories-section {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  padding: 2rem 0 4rem 0;
}

.categories-intro {
  text-align: center;
  font-size: 1.1rem;
  max-width: 800px;
  margin: 1.5rem auto 0 auto;
  color: var(--tech-gray);
  line-height: 1.6;
}

.categories-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 3rem;
}

.category-card {
  background: white;
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
  overflow: hidden;
  border: 1px solid #f1f5f9;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.12);
}

.category-header {
  padding: 2.5rem 2rem 2rem 2rem;
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  border-bottom: 1px solid #f1f5f9;
}

.category-header h3 {
  color: var(--dark-navy);
  margin-bottom: 1rem;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.category-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: white;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.category-description {
  color: var(--tech-gray);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
}

.brands-showcase {
  padding: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.brand-section {
  background: #f8fafc;
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
}

.brand-section:hover {
  background: white;
  border-color: var(--primary-blue);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #e2e8f0;
}

.brand-logo {
  width: 120px;
  height: 80px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.8;
  transition: all 0.3s ease;
}

.brand-section:hover .brand-logo {
  filter: grayscale(0%);
  opacity: 1;
}

.brand-header h4 {
  color: var(--dark-navy);
  margin: 0;
  font-size: 1.3rem;
}

.product-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.product-image {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
  cursor: pointer;
}

.product-image:hover {
  transform: scale(1.05);
}

/* Category-specific colors */
.category-card.electric .category-icon {
  background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%);
}

.category-card.mechanical .category-icon {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.category-card.hybrid .category-icon {
  background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
}

/* Responsive Design for Hero and Categories */
@media (max-width: 768px) {
  .page-hero {
    padding: 3rem 0 1.5rem 0;
  }
  
  .hero-content h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }
  
  .categories-intro {
    font-size: 1rem;
  }
  
  .categories-grid {
    gap: 2rem;
  }
  
  .category-header {
    padding: 2rem 1.5rem 1.5rem 1.5rem;
  }
  
  .category-header h3 {
    font-size: 1.3rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .brands-showcase {
    padding: 1.5rem;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .brand-section {
    padding: 1rem;
  }
  
  .brand-header {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }
  
  .brand-logo {
    width: 100px;
    height: 70px;
  }
  
  .product-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
  }
  
  .product-image {
    height: 100px;
  }
}

/* Teşekkür Sayfası Stilleri */
.text-center { text-align: center; }

.success-icon {
  margin: 0 auto 2rem auto;
  color: var(--success-green);
  animation: fadeInUp 0.6s ease-out;
}

.success-icon svg {
  width: 64px;
  height: 64px;
}

.contact-info {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--light-gray);
  border-radius: 12px;
}

.contact-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.navigation-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn-secondary {
  background: var(--tech-gray);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 200ms ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-secondary:hover {
  background: #374151;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

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

@media (max-width: 768px) {
  .contact-buttons,
  .navigation-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .contact-buttons .btn,
  .navigation-buttons .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

/* Captcha ve Onay Kutuları Stilleri */
.captcha-section {
  margin: 1.5rem 0;
  display: flex;
  justify-content: center;
}

.consent-section {
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--light-gray);
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

.consent-item {
  margin-bottom: 1rem;
}

.consent-item:last-child {
  margin-bottom: 0;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--primary-blue);
  border-radius: 4px;
  background: white;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
  background: var(--primary-blue);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.consent-text {
  color: var(--tech-gray);
}

.consent-text strong {
  color: var(--dark-navy);
  display: block;
  margin-bottom: 0.25rem;
}

@media (max-width: 768px) {
  .checkbox-label {
    font-size: 0.85rem;
  }
  
  .consent-section {
    padding: 1rem;
  }
  
  .checkmark {
    width: 18px;
    height: 18px;
  }
  
  .checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    left: 5px;
    top: 1px;
    width: 5px;
    height: 9px;
  }
}