:root {
  --primary-color: #000000; /* Logo siyah rengi */
  --primary-dark: #111111;
  --secondary-color: #444444;
  --accent-color: #777777; /* Gri tonu */
  --dark-color: #222222;
  --light-color: #f8f9fa;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --danger-color: #dc3545;
  --text-color: #333;
  --background-color: #f0f0f4;
  --card-background: #fff;
  --border-radius: 0.5rem;
  --transition-speed: 0.5s;
  --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
  --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  --box-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.1);
  --section-padding: 6rem 0;
  --section-margin: 0;
  --gradient-bg: linear-gradient(135deg, #f1d7e1 0%, #e1e6f1 50%, #e7f0f6 100%);
  --card-border-radius: 1rem;
  --large-spacing: 6rem;
}

/* Modern bir tasarım için tüm sitenin temel stil özellikleri */
html {
  font-size: 16px;
  position: relative;
  min-height: 100%;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 18px;
  }
}

body {
  margin-bottom: 0;
  font-family: 'Montserrat', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background: var(--gradient-bg);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  margin-bottom: 1.2rem;
}

h1 {
  font-size: 5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

h2 {
  font-size: 3rem;
  position: relative;
  padding-bottom: 0.5rem;
  margin-bottom: 2rem;
}

h2:after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 50px;
  height: 3px;
  background-color: var(--primary-color);
  transition: width 0.5s var(--transition-timing);
}

section h2:hover:after {
  width: 100px;
}

p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  line-height: 1.7;
}

/* Butonlar için yeni stiller */
.btn {
  border-radius: 50px;
  padding: 0.8rem 2rem;
  font-weight: 500;
  transition: all var(--transition-speed) var(--transition-timing);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.85rem;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-outline-primary {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: #fff;
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(255, 255, 255, 0.8);
  color: var(--primary-color);
  transition: all 0.3s ease;
}

.btn-icon:hover {
  background-color: var(--primary-color);
  color: white;
}

/* Ripple efekti için */
.btn:after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn:focus:after {
  animation: ripple 1s ease-out;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 0.5;
  }
  100% {
    transform: scale(100, 100);
    opacity: 0;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(0, 0, 0, 0.25);
}

/* Navbar Styles */
.navbar {
  box-shadow: none;
  transition: all 0.5s var(--transition-timing);
  z-index: 1000;
  padding: 1.5rem 0;
  background-color: transparent !important;
}

.navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.navbar.scrolled .nav-link,
.navbar.scrolled .navbar-brand {
  color: var(--primary-color) !important;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  transition: all 0.5s var(--transition-timing);
  color: var(--primary-color) !important;
  letter-spacing: -0.5px;
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar-brand img {
  transition: transform 0.5s var(--transition-timing);
}

.navbar-brand:hover img {
  transform: scale(1.1);
}

.nav-link {
  font-weight: 500;
  position: relative;
  overflow: hidden;
  transition: all 0.5s var(--transition-timing);
  margin: 0 1rem;
  cursor: pointer;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
  color: var(--primary-color) !important;
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--primary-color) !important;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--primary-dark) !important;
  font-weight: 600;
}

.nav-link:before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transform: translateX(-100%);
  opacity: 0;
  transition: all 0.5s var(--transition-timing);
}

.nav-link:hover:before,
.nav-link.active:before {
  transform: translateX(0);
  opacity: 1;
}

/* Kaydırmalı sayfa için bölüm stili */
section {
  padding: var(--section-padding);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
  transition: background-color 1s var(--transition-timing);
}

section:nth-child(odd) {
  background-color: transparent;
}

section:nth-child(even) {
  background-color: transparent;
}

/* Content Styles */
.main-content {
  padding-top: 0;
  padding-bottom: 0;
}

/* Hero Section */
.hero-section {
  padding: 0;
  margin-bottom: 0;
  position: relative;
  overflow: hidden;
  height: 100vh;
  display: flex;
  align-items: center;
  background-color: transparent;
  border-radius: 0;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

.hero-section .row {
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-section h1 {
  font-size: 5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.1;
}

.hero-section p {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.category-tag {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 2px;
  font-weight: 500;
  margin-bottom: 1.5rem;
  display: inline-block;
}

/* Featured image */
.featured-image {
  border-radius: var(--card-border-radius);
  overflow: hidden;
  position: relative;
  box-shadow: var(--box-shadow);
  height: 400px;
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.featured-image:hover img {
  transform: scale(1.03);
}

/* Kaydırma göstergesi */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  animation: bounce 2s infinite;
  cursor: pointer;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0) translateX(-50%);
  }
  40% {
    transform: translateY(-20px) translateX(-50%);
  }
  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

.scroll-indicator i {
  font-size: 2rem;
  color: var(--primary-color);
}

/* TypeWriter efekti için */
.typewriter {
  border-right: 2px solid var(--primary-color);
  white-space: nowrap;
  overflow: hidden;
  animation: blinking-cursor 0.8s step-end infinite;
}

@keyframes blinking-cursor {
  from, to { border-color: transparent }
  50% { border-color: var(--primary-color) }
}

.profile-image {
  max-width: 300px;
  border-radius: var(--card-border-radius);
  box-shadow: var(--box-shadow);
  transition: transform 0.5s var(--transition-timing), box-shadow 0.5s var(--transition-timing);
  position: relative;
}

.profile-image:hover {
  transform: scale(1.05);
  box-shadow: var(--box-shadow-hover);
}

.profile-image:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--card-border-radius);
  background: rgba(0, 0, 0, 0.2);
  opacity: 0;
  transition: opacity 0.5s var(--transition-timing);
}

.profile-image:hover:after {
  opacity: 1;
}

/* Fade in animasyonu */
.animate-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--transition-timing), transform 0.8s var(--transition-timing);
}

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

/* Scroll animasyonu */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s var(--transition-timing), transform 1s var(--transition-timing);
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Card Styles */
.card {
  border: none;
  border-radius: var(--card-border-radius);
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-speed) var(--transition-timing), box-shadow var(--transition-speed) var(--transition-timing);
  margin-bottom: 2rem;
  overflow: hidden;
  background-color: var(--card-background);
}

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

.card-img-top {
  border-top-left-radius: var(--card-border-radius);
  border-top-right-radius: var(--card-border-radius);
  height: 200px;
  object-fit: cover;
  transition: transform 0.7s var(--transition-timing);
}

.card:hover .card-img-top {
  transform: scale(1.05);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.card-footer {
  background-color: transparent;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: 1rem 1.5rem;
}

/* Skill progress bars */
.skill-container {
  margin-bottom: 1.5rem;
}

.skill-name {
  font-weight: 500;
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.skill-percent {
  font-weight: 400;
  color: var(--secondary-color);
}

.skill-progress {
  height: 8px;
  background-color: #e9ecef;
  border-radius: 4px;
  overflow: hidden;
}

.skill-progress-bar {
  height: 100%;
  background-color: var(--primary-color);
  width: 0;
  transition: width 1.5s cubic-bezier(0.1, 0.5, 0.2, 1);
}

/* Portfolio Page */
.portfolio-section {
  margin-bottom: 0;
  padding: var(--section-padding);
}

.portfolio-filters {
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.portfolio-filters button {
  background: none;
  border: none;
  padding: 0.5rem 1rem;
  margin: 0 0.5rem 1rem;
  font-weight: 500;
  color: var(--secondary-color);
  cursor: pointer;
  position: relative;
  transition: all 0.5s var(--transition-timing);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 0.8rem;
}

.portfolio-filters button:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.5s var(--transition-timing);
}

.portfolio-filters button:hover,
.portfolio-filters button.active {
  color: var(--primary-color);
}

.portfolio-filters button:hover:after,
.portfolio-filters button.active:after {
  width: 100%;
}

.portfolio-item {
  margin-bottom: 2rem;
  transition: all 0.7s var(--transition-timing);
}

.portfolio-item.hidden {
  opacity: 0;
  transform: scale(0.8);
}

.portfolio-details {
  margin-top: 2rem;
}

.portfolio-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--card-border-radius);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.4s var(--transition-timing);
  z-index: 1;
  backdrop-filter: blur(2px);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-card:hover img {
  transform: scale(1.05);
}

.portfolio-card .btn-icon {
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.5s var(--transition-timing);
  transition-delay: 0.1s;
}

.portfolio-card:hover .btn-icon {
  transform: translateY(0);
  opacity: 1;
}

.technology-badge {
  background-color: var(--light-color);
  color: var(--dark-color);
  padding: 0.35rem 0.75rem;
  border-radius: 50px;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  display: inline-block;
  font-size: 0.85rem;
  transition: all 0.5s var(--transition-timing);
}

.technology-badge:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Contact Section */
#contact {
  padding: var(--section-padding);
  background-color: transparent;
}

/* Contact Page */
.contact-form {
  margin-bottom: 2rem;
  border-radius: var(--card-border-radius);
}

.contact-form .form-label {
  font-weight: 500;
}

.contact-form .form-control {
  padding: 0.75rem 1rem;
  border: 1px solid #ced4da;
  border-radius: var(--border-radius);
  transition: all 0.5s var(--transition-timing);
}

.contact-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(0, 0, 0, 0.25);
}

.contact-form .mb-3.focused label {
  color: var(--primary-color);
}

.contact-info {
  background-color: var(--light-color);
  padding: 2rem;
  border-radius: var(--card-border-radius);
  height: 100%;
}

.contact-info h5 {
  margin-bottom: 1rem;
  font-weight: 600;
}

.contact-info p {
  margin-bottom: 1rem;
}

.contact-info .social-links a {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--dark-color);
  transition: all 0.5s var(--transition-timing);
}

.contact-info .social-links a:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

/* Footer */
.footer {
  padding: 3rem 0;
  background-color: var(--dark-color);
  color: white;
  position: relative;
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
  transition: all 0.5s var(--transition-timing);
}

.footer a:hover {
  color: white;
  text-decoration: none;
}

.social-links a {
  transition: all 0.5s var(--transition-timing);
}

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

/* Breadcrumb styles */
.breadcrumb {
  background-color: transparent;
  padding: 0;
  margin-bottom: 2rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  color: var(--secondary-color);
}

.breadcrumb-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.5s var(--transition-timing);
}

.breadcrumb-item a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.breadcrumb-item.active {
  color: var(--secondary-color);
}

/* Alert styles */
.alert {
  border-radius: var(--border-radius);
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  border: none;
  box-shadow: var(--box-shadow);
}

.alert-success {
  background-color: rgba(40, 167, 69, 0.1);
  color: var(--success-color);
}

/* Navigation arrows */
.nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2rem;
  color: var(--primary-color);
  opacity: 0.5;
  transition: all 0.3s ease;
  cursor: pointer;
}

.nav-arrow:hover {
  opacity: 1;
}

.nav-arrow.prev {
  left: 2rem;
}

.nav-arrow.next {
  right: 2rem;
}

/* Responsive Adjustments */
@media (max-width: 767.98px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .hero-section {
    text-align: center;
    padding: 3rem 0;
  }
  
  .profile-image {
    margin-bottom: 2rem;
  }
  
  .about-section h2:after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .contact-info {
    margin-top: 2rem;
  }
  
  .portfolio-filters button {
    margin-bottom: 0.5rem;
  }
  
  .nav-arrow {
    display: none;
  }
}

/* Kaydırmalı sayfa geçişleri için animasyonlar */
.section-transition-fade-in {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1.2s var(--transition-timing), transform 1.2s var(--transition-timing);
}

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

/* Modern component styles */
.project-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.project-meta-item {
  font-size: 0.85rem;
  color: var(--secondary-color);
  display: flex;
  align-items: center;
}

.project-meta-item i {
  margin-right: 0.5rem;
}

/* Large spacer */
.large-spacer {
  height: var(--large-spacing);
}

/* Tags */
.tag {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  background-color: var(--light-color);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Proje detay kartı için stiller */
.project-detail-card {
  border: none;
  overflow: hidden;
  border-radius: var(--card-border-radius);
  box-shadow: var(--box-shadow-hover);
  margin-bottom: 3rem;
  position: relative;
  transition: all 0.5s var(--transition-timing);
  transform: translateY(20px);
  opacity: 0;
  animation: fadeInUp 0.7s var(--transition-timing) forwards;
}

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

.project-detail-image {
  height: 100%;
  position: relative;
  overflow: hidden;
}

.project-detail-image img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--transition-timing);
}

.project-detail-image:hover img {
  transform: scale(1.03);
}

.project-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 5;
  background-color: var(--light-color);
  border-radius: 50%;
  padding: 0.5rem;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.3s var(--transition-timing);
}

.project-close:hover {
  transform: rotate(90deg);
  background-color: var(--primary-color);
  color: white;
}

.project-card {
  cursor: pointer;
  transition: all 0.3s var(--transition-timing);
}

.project-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--box-shadow-hover);
}

/* Modal stillerini kaldırıyoruz, artık kullanmıyoruz */
.modal, .modal-backdrop, .modal-dialog, .modal-content {
  display: none !important;
  opacity: 0 !important;
  visibility: hidden !important;
}

/* Mobil görünüm için düzenlemeler */
@media (max-width: 767.98px) {
  .project-detail-card .row {
    flex-direction: column;
  }
  
  .project-detail-image {
    height: 200px;
  }
  
  .project-detail-card .col-md-7 {
    padding: 1.5rem !important;
  }
}

/* Dil Seçici Stilleri */
.language-selector {
  display: flex;
  gap: 5px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 5px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.language-option {
  padding: 8px 12px;
  border-radius: 15px;
  border: none;
  background: transparent;
  color: var(--text-color);
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.3s ease;
  min-width: 40px;
}

.language-option:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--primary-color);
}

.language-option.active {
  background: var(--primary-color);
  color: white;
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

/* Navbar scrolled durumunda dil seçici */
.navbar.scrolled .language-selector {
  background: rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.navbar.scrolled .language-option {
  color: var(--dark-color);
}

.navbar.scrolled .language-option:hover {
  background: rgba(0, 0, 0, 0.1);
}

/* Mobil görünüm için dil seçici */
@media (max-width: 991.98px) {
  .language-selector {
    margin-top: 1rem;
    justify-content: center;
  }
  
  .navbar-collapse .ms-3 {
    margin-left: 0 !important;
    justify-content: center;
    margin-top: 1rem;
  }
}