@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500&display=swap');

body {
  margin: 0;
  background: linear-gradient(to bottom, #0a0f1e, #1a1f36, #0f172a);
  background-attachment: fixed;
  color: #e2e8f0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  overflow-x: hidden;
}

.navbar { /* opsiyonel */ }
.logo { font-size: 1.8rem; letter-spacing: 2px; }
.logo .a { color: #00ffff; text-shadow: 0 0 15px #00ffff, 0 0 30px #00bfff; animation: pulse 2s infinite alternate; }
.logo .brand { color: #fff; opacity: 0.9; }
@keyframes pulse { from { text-shadow: 0 0 10px #00bfff; } to { text-shadow: 0 0 25px #00ffff; } }

.hero { 
  position: relative; 
  height: 100vh; 
  display: flex; 
  justify-content: center; 
  align-items: center; 
  text-align: center; 
  padding:0 20px; 
  overflow:hidden; 
  background: linear-gradient(135deg, #0a0f1e 0%, #1e3a8a 50%, #0a0f1e 100%);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(59,130,246,0.15) 0%, transparent 70%);
  z-index: 0;
}
.hero canvas#hero-bg { position:absolute; inset:0; width:100%; height:100%; z-index:0; opacity: 0.85; }
.hero-content { position:relative; z-index:1; }
.hero h1 { 
  font-size: clamp(2.5rem,6vw,4.5rem); 
  color:#ffffff; 
  font-weight: 700;
  margin-bottom:20px; 
  letter-spacing: -0.5px;
  line-height: 1.1;
}
.hero p { 
  font-size: clamp(1.2rem,3vw,1.5rem); 
  margin-bottom:35px; 
  max-width:700px; 
  margin-left:auto; 
  margin-right:auto; 
  color:#cbd5e1; 
  font-weight: 300;
  line-height: 1.6;
}
.btn { 
  display:inline-block; 
  padding:16px 42px; 
  border-radius:12px; 
  background: linear-gradient(135deg, #3b82f6, #8b5cf6); 
  color:#ffffff; 
  font-weight:600; 
  text-decoration:none; 
  box-shadow:0 10px 40px rgba(59,130,246,0.4); 
  transition:all 0.3s ease; 
  font-size: 1.1rem;
  border: none;
}
.btn:hover { 
  transform: translateY(-3px); 
  box-shadow:0 15px 50px rgba(59,130,246,0.6); 
  background: linear-gradient(135deg, #2563eb, #7c3aed);
}

.section { 
  padding: 120px 8%; 
  opacity: 0; 
  transform: translateY(40px); 
  transition: all 1s ease;
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255,255,255,0.05);
}
.section.visible { opacity: 1; transform: translateY(0); }
.section h2 { 
  color:#ffffff; 
  margin-bottom:30px; 
  font-size: clamp(2.2rem,5vw,3rem);
  font-weight: 700;
  text-align: center;
  letter-spacing: -0.5px;
}
.cards { display:flex; flex-wrap:wrap; gap:30px; margin-top:40px; justify-content: center; }
.card { 
  flex:1; 
  min-width:300px; 
  max-width: 400px;
  background: rgba(255,255,255,0.03); 
  border:1px solid rgba(255,255,255,0.1); 
  border-radius:20px; 
  padding:40px 30px; 
  text-align:center; 
  box-shadow:0 8px 32px rgba(0,0,0,0.3); 
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); 
  backdrop-filter: blur(10px);
}
.card:hover { 
  transform: translateY(-10px) scale(1.02); 
  box-shadow:0 20px 60px rgba(59,130,246,0.4); 
  border-color: rgba(59,130,246,0.3);
  background: rgba(255,255,255,0.06);
}

footer { 
  text-align:center; 
  color:#94a3b8; 
  padding:60px 8%; 
  border-top:1px solid rgba(255,255,255,0.05); 
  background: rgba(0,0,0,0.3);
  font-size: 1rem;
}
.logo-container { 
  position: fixed; 
  top:30px; 
  left:30px; 
  z-index:15; 
  cursor:pointer; 
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  padding: 12px 20px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  transition: all 0.3s ease;
}
.logo-container:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(59,130,246,0.3);
}
.logo-container img { 
  width:50px; 
  height: 50px;
  border-radius: 50%;
  transition: transform 0.3s ease; 
  object-fit: cover;
}
.logo-container img:hover { 
  transform: scale(1.15); 
}

/* Page transition overlay */
.page-transition { position: fixed; top:0; left:0; width:100%; height:100%; display:block; mix-blend-mode: screen; background: rgba(0,0,0,0.95); z-index:9999; pointer-events:none; opacity:0; transition:opacity 0.6s ease; }
.page-transition.active { opacity:1; pointer-events:all; }
.page-transition canvas { width:100%; height:100%; display:block; }

/* Responsive */
@media (max-width:768px){
  .logo-container { 
    top:20px; 
    left:20px; 
    padding: 10px 16px;
  }
  .logo-container img {
    width: 45px;
    height: 45px;
  }
  .section {
    padding: 80px 6%;
  }
  .card {
    min-width: 100%;
    max-width: 100%;
  }
  .hero { 
    padding: 0 20px; 
  }
  .hero h1 { 
    font-size: clamp(2rem, 8vw, 3.5rem); 
    margin-bottom: 25px;
  }
  .hero p { 
    font-size: clamp(1rem, 4vw, 1.3rem);
  }
  .btn {
    padding: 14px 35px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 60px 4%;
  }
  .section h2 {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }
  .card {
    padding: 30px 20px;
  }
}

/* Canvas performans */
.hero canvas#hero-bg, .page-transition canvas { image-rendering: optimizeSpeed; will-change: transform; }

/* Menu Overlay Styles */
#menuOverlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10,15,30,0.95);
  backdrop-filter: blur(20px);
  z-index: 20;
  transition: opacity 0.5s ease;
}

#menuOverlay ul {
  list-style: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  font-size: clamp(2rem, 5vw, 2.5rem);
  color: #fff;
  font-family: 'Inter', sans-serif;
  padding: 0;
  margin: 0;
}

#menuOverlay li {
  margin-bottom: 35px;
  opacity: 0;
}

#menuOverlay li:nth-child(1) {
  animation: fadeInUp 0.6s ease 0.1s forwards;
}

#menuOverlay li:nth-child(2) {
  animation: fadeInUp 0.6s ease 0.2s forwards;
}

#menuOverlay li:nth-child(3) {
  animation: fadeInUp 0.6s ease 0.3s forwards;
}

#menuOverlay li:nth-child(4) {
  animation: fadeInUp 0.6s ease 0.4s forwards;
}

#menuOverlay a {
  color: #fff;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-block;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: 10px;
}

#menuOverlay a:hover {
  color: #3b82f6;
  background: rgba(255,255,255,0.05);
  transform: translateX(5px);
}

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

/* Page-specific hero backgrounds */
.hero.about-bg {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 50%, #1e293b 100%);
}

/* Stat boxes for about page */
.stat-box {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 15px;
  padding: 25px 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.stat-box:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,0.08);
  border-color: rgba(59,130,246,0.4);
  box-shadow: 0 10px 30px rgba(59,130,246,0.2);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #3b82f6;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: #94a3b8;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Modern text styles */
.section p {
  color: #e2e8f0;
  line-height: 1.8;
  font-size: 1.1rem;
}

.value-item, .team-card, .service-category {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 15px;
  padding: 25px;
  transition: all 0.3s ease;
}

.value-item:hover, .team-card:hover, .service-category:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,0.08);
  border-color: rgba(59,130,246,0.3);
  box-shadow: 0 10px 30px rgba(59,130,246,0.2);
}

.value-item h4, .team-card h3, .card h3 {
  color: #3b82f6;
  font-size: 1.2rem;
  margin-bottom: 10px;
  font-weight: 600;
}

.value-item p, .team-card p {
  color: #cbd5e1;
  line-height: 1.6;
}

/* Services page styles */
.service-hero {
  background: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(30,41,59,1) 100%);
  padding: 40px;
  border-radius: 15px;
  margin-bottom: 40px;
  border: 1px solid rgba(255,255,255,0.1);
}

.service-category h3 {
  font-size: 2rem;
  margin-bottom: 20px;
}

.service-category p {
  margin-bottom: 30px;
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.feature-item {
  background: rgba(255,255,255,0.03);
  padding: 20px;
  border-radius: 8px;
  border-left: 3px solid #3b82f6;
  transition: all 0.3s ease;
}

.feature-item:hover {
  background: rgba(255,255,255,0.06);
  border-left-color: #2563eb;
}

.feature-item h4 {
  color: #3b82f6;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feature-item p {
  color: #cbd5e1;
  line-height: 1.5;
  margin: 0;
}

.benefits-list {
  list-style: none;
  padding: 0;
}

.benefits-list li {
  color: #cbd5e1;
  padding: 10px 0;
  padding-left: 30px;
  position: relative;
  line-height: 1.6;
}

.benefits-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #3b82f6;
  font-weight: bold;
  font-size: 1.2rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin-top: 30px;
}

.process-step {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 30px 20px;
  text-align: center;
  transition: all 0.3s ease;
}

.process-step:hover {
  transform: translateY(-8px);
  box-shadow: 0 0 25px rgba(59,130,246,0.3);
}

.process-step-number {
  width: 50px;
  height: 50px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
  margin: 0 auto 15px;
}

.process-step h4 {
  color: #3b82f6;
  margin-bottom: 10px;
}

.process-step p {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.5;
}

.cta-section {
  background: linear-gradient(135deg, rgba(59,130,246,0.15) 0%, rgba(139,92,246,0.15) 100%);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 15px;
  padding: 50px;
  text-align: center;
  margin-top: 60px;
}

.cta-section h2 {
  color: #3b82f6;
  margin-bottom: 20px;
}

.cta-section p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

/* Contact page styles */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
}

.contact-info {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 40px;
}

.contact-info h3 {
  color: #3b82f6;
  margin-bottom: 30px;
  font-size: 1.8rem;
}

.contact-item {
  display: flex;
  align-items: start;
  gap: 20px;
  margin-bottom: 30px;
  padding: 20px;
  background: rgba(255,255,255,0.03);
  border-radius: 8px;
  transition: all 0.3s ease;
}

.contact-item:hover {
  background: rgba(255,255,255,0.06);
  transform: translateX(5px);
}

.contact-icon {
  font-size: 2rem;
  color: #3b82f6;
}

.contact-details h4 {
  color: #3b82f6;
  margin-bottom: 5px;
  font-size: 1.2rem;
}

.contact-details p {
  color: #cbd5e1;
  margin: 0;
  line-height: 1.6;
}

.contact-form {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 40px;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  color: #3b82f6;
  margin-bottom: 10px;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  color: #e2e8f0;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 15px rgba(59,130,246,0.3);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
}

.form-submit:hover {
  box-shadow: 0 0 25px rgba(59,130,246,0.5);
  transform: translateY(-2px);
}

.social-links {
  margin-top: 40px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 25px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 50px;
  color: #3b82f6;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1rem;
}

.social-link:hover {
  background: rgba(59,130,246,0.1);
  box-shadow: 0 0 20px rgba(59,130,246,0.3);
  transform: translateY(-3px);
}

.office-hours {
  margin-top: 40px;
  padding: 30px;
  background: rgba(59,130,246,0.05);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
}

.office-hours h4 {
  color: #3b82f6;
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.hours-list {
  list-style: none;
  padding: 0;
}

.hours-list li {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  color: #cbd5e1;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.hours-list li:last-child {
  border-bottom: none;
}

.hours-list li strong {
  color: #3b82f6;
}

@media (max-width: 768px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
}