/* style.css */

/* Renk ve Temel Değişkenler */
:root {
  --primary: #283891;
  --primary-light: #4d63b2;
  --primary-dark: #202f7a;
  --secondary: #000000;
  --text-light: #ffffff;
  --text-dark: #000000;
  --bg-light: #f1f5f9;
  --bg-dark: #0f172a;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
}

/* Temel Reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Poppins', sans-serif;
  line-height: 1.5;
  color: var(--text-dark);
  background: var(--bg-light);
  overflow-x: hidden;
}

/* Container */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
  gap: 0.5rem;
  cursor: pointer;
  border: none;
  outline: none;
}

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

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

/* Hero alanındaki İletişim butonu beyaz olacak */
.hero .btn.btn-secondary {
  background: var(--text-light);
  color: var(--primary);
  border: 2px solid var(--text-light);
}

.hero .btn.btn-secondary:hover {
  background: var(--primary-dark);
  color: var(--text-light);
}

.btn-secondary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

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

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.nav-container {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
}

.logo img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  transition: var(--transition);
}

.logo:hover img {
  transform: scale(1.1) rotate(5deg);
}

.logo span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: none;
}

@media (min-width: 768px) {
  .logo span {
    display: block;
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

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

.nav-buttons {
  display: flex;
  align-items: center;
}

/* Mobil Menü Butonu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn i {
  font-size: 1.5rem;
  color: var(--primary);
}

@media (max-width: 1024px) {
  .nav-menu { display: none; }
  .mobile-menu-btn { display: block; }
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  height: calc(100vh - 80px);
  background: var(--bg-light);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transform: translateX(-100%);
  transition: var(--transition);
  z-index: 999;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 500;
  padding: 1rem;
  border-radius: 0.5rem;
  transition: var(--transition);
}

.mobile-nav-link:hover {
  background: var(--primary);
  color: var(--text-light);
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: url('https://gebld.com/cdn/slider.jpg') center/cover no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; 
  left: 0;
  width: 100%; 
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--text-light);
  max-width: 800px;
  text-align: center;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  animation: fadeInUp 1s forwards 0.5s;
}

.hero-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  margin-bottom: 2rem;
  animation: fadeInUp 1s forwards 0.7s;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  animation: fadeInUp 1s forwards 0.9s;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Bölüm Başlıkları */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  color: var(--secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Hakkımızda Section */
.about {
  padding: 8rem 0;
  background: var(--bg-light);
}

.about .section-subtitle {
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Projeler Section */
.projects {
  padding: 8rem 0;
  background: white;
}

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

.project-card {
  background: var(--bg-light);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.project-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.project-text {
  color: var(--secondary);
  font-size: 0.95rem;
}

/* Duyurular Section */
.announcements {
  padding: 8rem 0;
  background: white;
}

.announcements-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.announcement-item {
  background: var(--bg-light);
  padding: 1.5rem;
  border-left: 4px solid var(--primary);
  border-radius: 0.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.announcement-item:hover {
  transform: translateY(-3px);
}

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

.announcement-details {
  flex: 1;
}

.announcement-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.announcement-text {
  font-size: 1rem;
  color: var(--secondary);
}

/* İletişim Section */
.contact {
  padding: 8rem 0;
  background: var(--bg-light);
  text-align: center;
}

.contact .section-subtitle {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.contact-email {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
}

.contact-email a {
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px dashed var(--primary);
  transition: var(--transition);
}

.contact-email a:hover {
  color: var(--primary-dark);
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 6rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--primary);
}

.footer-links {
  list-style: none;
}

.footer-link {
  margin-bottom: 1rem;
}

.footer-link a {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-link a:hover {
  color: var(--primary);
  padding-left: 0.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  transform: translateY(-3px);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255,255,255,0.6);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-buttons { flex-direction: column; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.75rem; }
}

/* Animations */
[data-aos] { opacity: 0; transition: var(--transition); }
[data-aos].aos-animate { opacity: 1; }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover { background: var(--primary-dark); }