:root {
            --primary-blue: #1e3a8a;
            --secondary-blue: #2563eb;
            --accent-yellow: #f59e0b;
            --dark-gray: #1f2937;
            --light-gray: #f3f4f6;
        }
        
        body {
            font-family: 'Verdana', sans-serif;
            color: #333;
            overflow-x: hidden;
            zoom: 0.72;
            -moz-transform: scale(0.72);
            -moz-transform-origin: 0 0;
            /* Safari için flexbox iyileştirmeleri */
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            /* min-height ve background gradient kaldırıldı, eski sade arka plan */
        }
        @media (max-width: 768px) {
            body {
                zoom: 1 !important;
                -moz-transform: scale(1) !important;
            }
        }
        
        h1, h2, h3, h4, .heading-font {
            font-family: 'Crimson Pro', serif;
            font-weight: 900;
            letter-spacing: -1px;
            text-transform: uppercase;
        }
        
        .hero-gradient {
            background: linear-gradient(135deg, rgba(30,58,138,0.9) 0%, rgba(37,99,235,0.8) 100%);
        }
        
        .floating {
            animation: floating 6s ease-in-out infinite;
        }
        
        @keyframes floating {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-20px); }
            100% { transform: translateY(0px); }
        }
        
        .tech-badge {
            position: relative;
            overflow: hidden;
        }
        
        .tech-badge::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -60%;
            width: 200%;
            height: 200%;
            background: rgba(255,255,255,0.13);
            transform: rotate(30deg);
            transition: all 0.3s ease;
        }
        
        .tech-badge:hover::after {
            left: 100%;
        }
        
        .equipment-card {
            perspective: 1000px;
        }
        
        .equipment-inner {
            transition: transform 0.6s;
            transform-style: preserve-3d;
            position: relative;
        }
        
        .equipment-card:hover .equipment-inner {
            transform: rotateY(180deg);
        }
        
        .equipment-front, .equipment-back {
            backface-visibility: hidden;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
        }
        
        .equipment-back {
            transform: rotateY(180deg);
        }
        
        .progress-ring__circle {
            transition: stroke-dashoffset 0.9s;
            transform: rotate(-90deg);
            transform-origin: 50% 50%;
        }

        [data-aos] {
  opacity: 1 !important;
  transform: none !important;
}

.whatsapp-float {
  box-shadow: 0 8px 32px 0 rgba(37, 211, 102, 0.25), 0 1.5px 8px 0 rgba(0,0,0,0.10);
  animation: whatsapp-pulse 2s infinite;
  border: 3px solid #fff;
}
@keyframes whatsapp-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4), 0 8px 32px 0 rgba(37, 211, 102, 0.25); }
  70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4), 0 8px 32px 0 rgba(37, 211, 102, 0.25); }
}

.hero-section {
  min-height: 95vh;
  height: 95vh;
}
@media (max-width: 640px) {
  .hero-section {
    min-height: 105vh !important;
    height: 105vh !important;
  }
}
@media (min-width: 640px) {
  .hero-section {
    min-height: 570px !important;
    height: 105vh !important;
  }
}
@media (min-width: 768px) {
  .hero-section {
    min-height: 124vh !important;
    height: 124vh !important;
  }
}
@media (min-width: 1024px) {
  .hero-section {
    min-height: 133vh !important;
    height: 133vh !important;
  }
}

#mainHeader.bg-blue-900 {
  background-color: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(8px);
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}
.animate-slideIn {
  animation: slideIn 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* Mobil menü iyileştirmeleri */
@media (max-width: 768px) {
  #mobileMenuDrawer {
    backdrop-filter: blur(8px);
  }
  
  #mobileMenuDrawer > div {
    box-shadow: -10px 0 30px rgba(0,0,0,0.3);
  }
  
  .mobile-dropdown-btn:hover,
  .mobile-sub-dropdown-btn:hover {
    background-color: rgba(59, 130, 246, 0.1);
  }
  
  .mobile-dropdown-btn:active,
  .mobile-sub-dropdown-btn:active {
    background-color: rgba(59, 130, 246, 0.2);
  }
  
  /* Touch-friendly button sizes */
  .mobile-dropdown-btn,
  .mobile-sub-dropdown-btn {
    min-height: 44px;
    touch-action: manipulation;
    color: #1e3a8a !important;
    font-weight: bold;
    opacity: 1 !important;
    filter: none !important;
    text-shadow: none !important;
    background: none !important;
  }
  
  /* Smooth transitions */
  .mobile-dropdown-btn i,
  .mobile-sub-dropdown-btn i {
    transition: transform 0.2s ease;
  }
  
  /* Better spacing for mobile */
  #mobileMenuDrawer a,
  #mobileMenuDrawer button {
    color: #1e3a8a !important;
    opacity: 1 !important;
    filter: none !important;
    text-shadow: none !important;
    background: none !important;
  }
  #mobileMenuDrawer a:hover,
  #mobileMenuDrawer button:hover {
    color: #2563eb !important;
    background: #f3f4f6 !important;
    opacity: 1 !important;
  }
  #mobileMenuDrawer .active,
  #mobileMenuDrawer .active:focus {
    color: #fff !important;
    background: #2563eb !important;
    opacity: 1 !important;
  }
  #mobileMenuDrawer .pl-4 a,
  #mobileMenuDrawer .pl-3 a {
    color: #374151 !important;
    opacity: 1 !important;
    filter: none !important;
    text-shadow: none !important;
  }
  #mobileMenuDrawer .pl-4 a:hover,
  #mobileMenuDrawer .pl-3 a:hover {
    color: #2563eb !important;
    background: #e0e7ff !important;
  }

  /* Mobilde arka plan videosu daha geniş ve tam ortalı olsun */
  .hero-section video {
    min-width: 100vw !important;
    min-height: 100vh !important;
    width: 100vw !important;
    height: 100vh !important;
    object-fit: cover !important;
    object-position: center center !important;
    left: 50% !important;
    top: 50% !important;
    transform: translate(-50%, -50%) scale(1.15) !important;
    position: absolute !important;
    z-index: 0;
  }
  .hero-section {
    overflow: hidden !important;
  }
}

/* Dil seçici dropdown düzeltmesi */
#custom-lang-select {
  direction: ltr;
}

#custom-lang-select option {
  direction: ltr;
  text-align: left;
}

/* Select dropdown'unun her zaman aşağı açılması için */
select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

/* Firefox için dropdown yönü */
select:-moz-focusring {
  color: transparent;
  text-shadow: 0 0 0 #000;
}

/* Chrome/Safari için dropdown yönü */
select::-ms-expand {
  display: none;
}

/* Dil seçici için özel stil */
#custom-lang-select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 16px;
  padding-right: 30px;
}

.menu-contrast, .menu-contrast * {
  color: #e2e6e9 !important;
  text-shadow: 0 2px 8px rgba(0,0,0,0.7), 0 0px 1px #000;
}
.menu-contrast .orange-icon {
  color: #FFA500 !important;
  text-shadow: none !important;
}

.menu-shadow {
  box-shadow: 0 4px 16px 0 rgba(56,74,126,1.0);
  border-radius: 0.5rem;
}

.icon-facebook { color: #1877f2 !important; }
.icon-whatsapp { color: #25D366 !important; }
.icon-linkedin { color: #0A66C2 !important; }
.icon-youtube { color: #FF0000 !important; }
.icon-instagram {
  background: linear-gradient(45deg,#f9ce34,#ee2a7b,#6228d7) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  color: transparent !important;
}

html, body, header, .menu-contrast, .bg-blue-900, .border-blue-900 {
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
}

html, body, header, section, .hero-section, video {
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  background: none !important;
  margin-top: 0 !important;
  padding-top: 0 !important;
}

nav a:hover {
  background: none !important;
  color: inherit !important;
}

nav .menu-contrast, nav .menu-contrast .bg-white, nav .menu-contrast .bg-white\/80 {
  background: rgb(56,74,126) !important;
}

.logo-shadow {
  position: relative;
  z-index: 1;
}
.logo-shadow::after {
  content: '';
  position: absolute;
  left: 0; top: 0; width: 100%; height: 100%;
  z-index: -1;
  border-radius: 1rem;
  pointer-events: none;
  background: radial-gradient(ellipse at 60% 60%, rgba(30,58,138,0.85) 0%, rgba(37,99,235,0.65) 60%, rgba(56,74,126,0.55) 100%);
  filter: blur(7px);
}

.nav-underline {
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid #fff;
  transition: border-color 0.2s;
}
.nav-underline:hover {
  border-bottom: 2px solid #f59e0b;
}
.nav-underline::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0.3rem;
  height: 3px;
  background: #ee7f2d;
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  z-index: 2;
}
.nav-underline:hover::after,
.nav-underline:focus::after {
  transform: scaleX(1);
}

/* Modern sosyal medya ikonları */
.header-socials {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.header-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #fff !important;
  color: #374151 !important;
  font-size: 1.35rem;
  box-shadow: 0 2px 8px rgba(30,58,138,0.10);
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, color 0.18s;
}
.header-socials a i {
  color: #374151 !important;
  transition: color 0.18s;
}
.header-socials a:hover {
  transform: scale(1.18) translateY(-2px);
  box-shadow: 0 6px 18px 0 rgba(30,58,138,0.18);
}
.header-socials a.icon-facebook:hover { background: #1877f2 !important; }
.header-socials a.icon-whatsapp:hover { background: #25D366 !important; }
.header-socials a.icon-linkedin:hover { background: #0A66C2 !important; }
.header-socials a.icon-youtube:hover { background: #FF0000 !important; }
.header-socials a.icon-instagram:hover { background: linear-gradient(135deg,#f9ce34,#ee2a7b,#6228d7) !important; }
.header-socials a:hover i { color: #fff !important; }

.social-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #fff !important;
  color: #374151 !important;
  font-size: 1.35rem;
  margin-left: 0.15rem;
  margin-right: 0.15rem;
  box-shadow: 0 2px 8px rgba(30,58,138,0.10);
  transition: transform 0.18s, box-shadow 0.18s, background 0.18s, color 0.18s;
  opacity: 0.85;
}
.social-btn i {
  color: #374151 !important;
  transition: color 0.18s;
}
.social-btn.facebook:hover { background: #1877f2 !important; }
.social-btn.whatsapp:hover { background: #25D366 !important; }
.social-btn.linkedin:hover { background: #0A66C2 !important; }
.social-btn.youtube:hover { background: #FF0000 !important; }
.social-btn.instagram:hover { background: linear-gradient(135deg,#f9ce34,#ee2a7b,#6228d7) !important; }
.social-btn:hover i { color: #fff !important; }
.social-btn:hover {
  transform: scale(1.13) translateY(-2px);
  box-shadow: 0 6px 18px 0 rgba(30,58,138,0.18);
  filter: brightness(1.15);
  opacity: 1;
}

/* Modern dil seçici */
#langBar {
  background: #fff;
  border-radius: 1.5rem;
  box-shadow: 0 2px 8px rgba(30,58,138,0.08);
  padding: 2px 10px;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
#langBar a {
  color: #1e3a8a !important;
  font-weight: 400;
  font-family: 'Montserrat', 'Roboto', Arial, sans-serif;
  font-size: 1rem;
  background: transparent;
  border: none;
  border-radius: 1.2rem;
  padding: 6px 14px 6px 10px;
  display: flex;
  align-items: center;
  gap: 0.4em;
  transition: background 0.18s, color 0.18s, box-shadow 0.18s, transform 0.18s;
  box-shadow: none;
}
#langBar a span {
  font-size: 1.1em;
  margin-left: 2px;
}
#langBar a:hover, #langBar a:focus {
  background: #f3f4f6;
  color: #f59e0b !important;
  transform: translateY(-1px) scale(1.07);
  box-shadow: 0 2px 8px rgba(245,158,11,0.08);
}
#langBar .ring-2:focus {
  outline: 2px solid #f59e0b;
}
#langBar .cursor-not-allowed {
  opacity: 0.5;
  background: #f3f4f6;
  color: #aaa !important;
}

/* Dil seçici için özel stiller - menu-contrast'ı override et */
#langDropdownBtn,
#mobileLangDropdownBtn,
#langDropdownBtn *,
#mobileLangDropdownBtn *,
#langDropdownMenu,
#mobileLangDropdownMenu,
#langDropdownMenu *,
#mobileLangDropdownMenu * {
  color: #374151 !important;
  text-shadow: none !important;
}

#langDropdownMenu a,
#mobileLangDropdownMenu a {
  color: #374151 !important;
}

#langDropdownMenu a span,
#mobileLangDropdownMenu a span {
  color: #374151 !important;
}

#langDropdownMenu a:hover,
#mobileLangDropdownMenu a:hover {
  background: #eff6ff !important; /* bg-blue-50 */
  color: #1e3a8a !important;     /* text-blue-900 */
  transform: scale(1.05);
}
#langDropdownMenu a,
#mobileLangDropdownMenu a {
  transition: background 0.18s, color 0.18s, transform 0.18s;
}

/* Modern info box (gemi açıklaması için) */
.modern-info-box {
  backdrop-filter: blur(2px);
  box-shadow: 0 8px 32px 0 rgba(30,58,138,0.10), 0 1.5px 8px 0 rgba(0,0,0,0.08);
  border-left: 6px solid #2563eb;
}
@media (max-width: 1024px) {
  .modern-info-box {
    padding: 1.5rem 1rem;
    font-size: 1rem;
  }
}

/* Modern gemi fotoğrafı kartı */
.modern-photo-card {
  box-shadow: 0 12px 36px 0 rgba(30,58,138,0.13), 0 2px 12px 0 rgba(0,0,0,0.10);
  border-radius: 1.5rem;
  transition: box-shadow 0.3s, transform 0.3s;
}
.modern-photo-card:hover {
  box-shadow: 0 24px 48px 0 rgba(30,58,138,0.18), 0 4px 16px 0 rgba(0,0,0,0.13);
  transform: scale(1.025) translateY(-4px);
}
.modern-photo-inner {
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
}
.modern-photo-gradient {
  background: linear-gradient(135deg,rgba(30,58,138,0.10) 0%,rgba(37,99,235,0.13) 60%,rgba(255,255,255,0.10) 100%);
  z-index: 2;
  pointer-events: none;
}

/* Modern Jeolojik Etüd Kartları */
.modern-card {
  transition: box-shadow 0.3s, transform 0.3s;
  will-change: transform;
}
.modern-card:hover {
  box-shadow: 0 16px 48px 0 rgba(30,58,138,0.16), 0 4px 16px 0 rgba(0,0,0,0.13);
  transform: scale(1.035) translateY(-6px);
  z-index: 10;
}
.modern-card-img {
  position: relative;
  border-radius: 1.25rem;
  overflow: hidden;
}
.modern-card-gradient {
  background: linear-gradient(135deg,rgba(30,58,138,0.13) 0%,rgba(37,99,235,0.10) 60%,rgba(255,255,255,0.10) 100%);
  z-index: 2;
  pointer-events: none;
}
.modern-card-content {
  position: relative;
  top: 0;
  margin-top: -2.5rem;
  box-shadow: 0 4px 24px 0 rgba(30,58,138,0.08);
  border-radius: 1.25rem;
  border: 1px solid #e0e7ef;
  background: rgba(255,255,255,0.92);
  z-index: 3;
  transition: box-shadow 0.2s, background 0.2s;
}
.modern-card:hover .modern-card-content {
  background: #fff;
  box-shadow: 0 8px 32px 0 rgba(30,58,138,0.13);
}

/* Özgün modern info box */
.modern-info-box-unique {
  background: linear-gradient(135deg,rgba(255,255,255,0.97) 60%,rgba(37,99,235,0.07) 100%);
  border-left: 0.5rem solid #2563eb;
  animation: floatUp 1.2s cubic-bezier(0.4,0,0.2,1);
}
@keyframes floatUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Safari için workflow diagram düzeltmeleri */
@supports (-webkit-appearance: none) {
  .workflow-step {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }
  
  .workflow-container {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }
  
  /* Safari'de flexbox düzeltmeleri */
  .flex {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-flex-direction: row;
    -ms-flex-direction: row;
    flex-direction: row;
  }
  
  .flex-col {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -ms-flex-direction: column;
    flex-direction: column;
  }
  
  /* Safari'de aspect-ratio desteği */
  [style*="aspect-ratio"] {
    -webkit-aspect-ratio: attr(style aspect-ratio);
    aspect-ratio: attr(style aspect-ratio);
  }
}