/* Root Styles */
:root {
  --primary-color: #000000;
  --primary-hover: #1a1a1a;
  --secondary-color: #ffffff;
  --secondary-hover: #f3f3f3;
  --background: #111827;
  --text-color: #f3f4f6;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background-color: var(--background);
  color: var(--text-color);
}

/* Header Styles */
#header {
  background-color: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  transition: all 0.3s ease;
}

#header.scrolled {
  background-color: rgba(17, 24, 39, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* Navigation Links */
.nav-link {
  position: relative;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 3px;
  bottom: -6px;
  left: 0;
  background-color: var(--secondary-color);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.mobile-nav-link {
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s ease;
  padding: 0.5rem 1rem;
}

.mobile-nav-link:hover {
  color: var(--secondary-color);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary-color);
  color: white;
  font-weight: 500;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background-color: transparent;
  color: var(--primary-color);
  font-weight: 500;
  border: 2px solid var(--primary-color);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
}

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

/* Section Titles */
.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 1rem;
  background: linear-gradient(to right, #e2e2e2, #ffffff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Skill Cards */
.skill-card {
  background-color: var(--background);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease;
}

.skill-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
}

/* Project Cards */
.project-card {
  background-color: var(--background);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.3s ease;
}

.project-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.project-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: white;
  border-radius: 0.5rem;
  color: var(--text-color);
  transition: all 0.3s ease;
}

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

/* Form Styles */
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #374151;
  border-radius: 0.5rem;
  background-color: var(--background);
  color: var(--text-color);
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

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

.animate-title {
  animation: fadeInUp 0.8s ease forwards;
}

.cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background-color: currentColor;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  from, to {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* Transition Classes */
.transition-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.duration-1000 {
  transition-duration: 1000ms;
}

.ease-out {
  transition-timing-function: cubic-bezier(0, 0, 0.2, 1);
}

.delay-300 {
  transition-delay: 300ms;
}

.delay-600 {
  transition-delay: 600ms;
}

/* Responsive Design */
@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }
  
  .project-image {
    height: 200px;
  }

  .absolute.bottom-8.left-6.right-6.rounded-2xl.bg-opacity-80.bg-gray-900.p-4 {
    background-color: transparent; /* Gri kutucuğun arka planını şeffaf yap */
    padding: 0; /* Dolguyu kaldır */
  }
}

/* Mobile Menu */
#mobile-menu {
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

#mobile-menu.hidden {
  opacity: 0;
  visibility: hidden;
}

/* Skill Progress Animation */
.skill-progress {
  transition: width 1s ease-in-out;
}

/* Particles Background */
#particles {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

#mobile-menu-overlay {
  position: fixed !important;
  inset: 0 !important;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 9998 !important;
  background: rgba(0,0,0,0.6) !important;
  display: none;
}
#mobile-menu-overlay:not(.hidden) {
  display: block;
}

#mobile-menu {
  position: fixed !important;
  top: 0 !important;
  right: 0 !important;
  height: 100vh !important;
  width: 80vw !important;
  max-width: 320px !important;
  z-index: 9999 !important;
  background: #111827 !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  align-items: center !important;
  box-shadow: 0 0 20px rgba(0,0,0,0.4) !important;
  transition: transform 0.3s, opacity 0.3s !important;
}
#mobile-menu.hidden {
  display: none !important;
}

#mobile-menu nav {
  width: 100%;
  padding: 2rem 0;
}

#mobile-menu .mobile-nav-link {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 600;
  padding: 1rem 0;
  display: block;
  text-align: center;
}

/* Service Cards */
.service-card {
    background-color: var(--background);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.service-icon {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.service-card img {
    transition: transform 0.5s ease;
}

.service-card:hover img {
    transform: scale(1.1);
}

.service-card .gradient-overlay {
    background: linear-gradient(to top, rgba(17, 24, 39, 0.9), transparent);
}

/* Responsive Design */
@media (max-width: 768px) {
    .service-card {
        margin-bottom: 1.5rem;
    }
}