/* Main Styles */
:root {
  --primary-color: #0a66c2;
  --secondary-color: #6c757d;
  --dark-color: #343a40;
  --light-color: #f8f9fa;
  --success-color: #28a745;
  --danger-color: #dc3545;
  
  /* Yeni renk paleti */
  --rich-navy: rgba(18, 51, 65, 0.85);
  --slate-gray: rgba(64, 69, 78, 0.85);
  --deep-blue: rgba(32, 53, 78, 0.85);
  --stone-gray: rgba(93, 98, 105, 0.85);
  
  --gradient-start: var(--deep-blue);
  --gradient-end: var(--slate-gray);
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8f9fa;
  padding-top: 70px;
}

/* Hero Section */
.hero {
  padding: 10rem 0;
  position: relative;
  margin-top: -20px;
  overflow: hidden;
  height: 100vh; /* Tam ekran yüksekliği */
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Video Arkaplan */
.video-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover; /* Videoyu ekranı kaplayacak şekilde ölçeklendir */
  z-index: -2;
}

/* Video üzerine koyu katman */
.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(0,0,0,0.6), rgba(0,0,0,0.5));
  z-index: -1;
}

.hero-content {
  position: relative;
  top: -100px;
  z-index: 5;
  animation: fadeIn 2s ease-in-out;
  
}

.text-shadow {
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

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

/* Cards and sections */
.card {
  transition: all 0.3s ease;
  border-radius: 8px;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.icon-box {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(0, 123, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Timeline styling */
.timeline-item {
  position: relative;
  padding-left: 20px;
}

.timeline-item:before {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--primary-color);
  left: 0;
  top: 5px;
}

/* Button styling */
.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: #0069d9;
  border-color: #0062cc;
}

/* Footer styling */
footer {
  margin-top: 3rem;
}

.social-links a {
  transition: all 0.3s ease;
}

.social-links a:hover {
  transform: translateY(-3px);
  opacity: 0.8;
}

/* Avatar placeholder */
.avatar-placeholder {
  width: 150px;
  height: 150px;
  margin: 0 auto;
  background-color: #e9ecef;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Contact form */
.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero {
    padding: 5rem 0;
  }
  
  .avatar-placeholder {
    width: 120px;
    height: 120px;
  }
}

/* Animation for sections */
section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

section.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* Dinamik olarak görünen öğeler için animasyon */
.animate-element, .animate-standalone {
  opacity: 0;
  transform: translateY(25px);
  transition: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  will-change: opacity, transform;
}

.animate-element.show-element, .animate-standalone.show-element {
  opacity: 1;
  transform: translateY(0);
}

/* Farklı giriş animasyonları */
.fade-right {
  transform: translateX(-30px);
}

.fade-left {
  transform: translateX(30px);
}

.zoom-in {
  transform: scale(0.9);
}

.fade-right.show-element, .fade-left.show-element {
  transform: translateX(0);
}

.zoom-in.show-element {
  transform: scale(1);
}

/* Her öğe için farklı gecikme süreleri */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* Modern Navbar Styles */
.modern-navbar {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(18, 51, 65, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.modern-navbar .navbar-brand {
  color: white;
  font-weight: 700;
  position: relative;
  overflow: hidden;
}

.modern-navbar .navbar-brand::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: white;
  transition: width 0.3s ease;
}

.modern-navbar .navbar-brand:hover::after {
  width: 100%;
}

.modern-navbar .navbar-toggler {
  border: none;
}

.modern-navbar .nav-link {
  color: rgba(255, 255, 255, 0.8) !important;
  font-weight: 500;
  margin: 0 10px;
  padding: 0.5rem 0;
  position: relative;
  transition: all 0.3s ease;
}

.modern-navbar .nav-link::before {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: white;
  transition: width 0.3s ease;
}

.modern-navbar .nav-link:hover {
  color: white !important;
}

.modern-navbar .nav-link:hover::before {
  width: 100%;
}

.modern-navbar.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 5px 20px rgba(32, 53, 78, 0.15);
}

.modern-navbar.scrolled .navbar-brand,
.modern-navbar.scrolled .nav-link {
  transition: color 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.modern-navbar.scrolled .navbar-brand::after,
.modern-navbar.scrolled .nav-link::before {
  background: var(--rich-navy);
  transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Navbar için animasyon */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modern-navbar .navbar-nav .nav-item {
  animation: fadeInDown 0.5s forwards;
  animation-delay: calc(0.1s * var(--animation-order, 0));
  opacity: 0;
}

.modern-navbar .navbar-nav .nav-item:nth-child(1) {
  --animation-order: 1;
}

.modern-navbar .navbar-nav .nav-item:nth-child(2) {
  --animation-order: 2;
}

.modern-navbar .navbar-nav .nav-item:nth-child(3) {
  --animation-order: 3;
}

.modern-navbar .navbar-nav .nav-item:nth-child(4) {
  --animation-order: 4;
}