.btn-outline-primary {
    --bs-btn-color: #fff;
    --bs-btn-bg: #000000;
    --bs-btn-border-color: #0d6efd;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #0b5ed7;
    --bs-btn-hover-border-color: #0a58ca;
    --bs-btn-focus-shadow-rgb: 49, 132, 253;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #0a58ca;
    --bs-btn-active-border-color: #0a53be;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #0d6efd;
    --bs-btn-disabled-border-color: #0d6efd;
}

:root {
  --primary: #6e45e2;
  --secondary: #88d3ce;
  --accent: #ff7e5f;
  --dark: #1a1a2e;
  --darker: #16213e;
  --light: #f8f9fa;
  --gradient: linear-gradient(135deg, var(--primary), var(--accent));
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* Global Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
 background: #f1f5f9;

  line-height: 1.7;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(110, 69, 226, 0.15) 0%, transparent 25%),
    radial-gradient(circle at 90% 80%, rgba(255, 126, 95, 0.15) 0%, transparent 25%);
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;

}

#beyaz {
      color: rgba(0, 0, 0, 0.85);
  margin-bottom: 1.5rem;
}

p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.5rem;
}

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

section {
  padding: 5rem 0;
  position: relative;
}

/* Navbar - Ultra Modern Glassmorphism */
.navbar {
  background: rgba(26, 26, 46, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.2rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-brand {
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.nav-link {

  font-weight: 500;
  padding: 0.5rem 1.2rem;
  margin: 0 0.3rem;
  border-radius: 50px;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

.nav-link:hover, .nav-link.active {
  background: var(--glass);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(110, 69, 226, 0.3);
}

/* Hero Section - Floating Effect */
.hero {
  background: url('hero-bg.jpg') no-repeat center center/cover;
  height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(26, 26, 46, 0.9), rgba(22, 33, 62, 0.8));
}

.hero-content {
  position: relative;
  z-index: 2;
  animation: floatIn 1s ease-out;
}

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

/* Cards - 3D Perspective */
.card {

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  transform-style: preserve-3d;
  perspective: 1000px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.2);
}

.card:hover {
  transform: translateY(-10px) rotateX(5deg);
  box-shadow: 0 20px 40px -10px rgba(110, 69, 226, 0.4);
}

.card-img-top {
  height: 220px;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.card:hover .card-img-top {
  transform: scale(1.08);
}

.card-body {
  padding: 2rem;
}

/* Buttons - Liquid Fill Effect */
.btn {
  padding: 0.8rem 2.2rem;
  border-radius: 50px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  border: none;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient);
  z-index: -1;
  transition: all 0.4s ease;
}

.btn:hover::before {
  transform: scale(1.1);
}

.btn-primary {
  background: transparent;
  color: white;
  box-shadow: 0 5px 15px rgba(110, 69, 226, 0.4);
}

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

.btn-outline:hover {
  color: white;
  border-color: transparent;
}

/* Video Player - Cinematic Style */
.video-container {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 50px -10px rgba(110, 69, 226, 0.3);
  transform: perspective(1000px) rotateY(0deg);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.video-container:hover {
  transform: perspective(1000px) rotateY(5deg);
  box-shadow: 0 30px 60px -10px rgba(110, 69, 226, 0.5);
}

/* Footer - Seamless Integration */
footer {
  background: rgba(22, 33, 62, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--glass-border);
  padding: 4rem 0 2rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.3s ease;
  display: inline-block;
  margin-bottom: 0.8rem;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(5px);
}

/* Responsive Adjustments */
@media (max-width: 992px) {
  .hero {
    height: auto;
    padding: 8rem 0;
  }
  
  .card {
    margin-bottom: 2rem;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 1rem 0;
  }
  
  .nav-link {
    padding: 0.5rem 1rem;
    margin: 0.2rem 0;
    display: block;
    text-align: center;
  }
  
  section {
    padding: 3rem 0;
  }
}

/* Special Effects */
.hover-glow {
  transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(110, 69, 226, 0.5);
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(110, 69, 226, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(110, 69, 226, 0); }
  100% { box-shadow: 0 0 0 0 rgba(110, 69, 226, 0); }
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--gradient);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Form Elements - Futuristic Style */
.form-control {
  background: rgba(255, 255, 255, 0.1);

  padding: 0.8rem 1.2rem;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--primary);
  box-shadow: 0 0 0 0.25rem rgba(110, 69, 226, 0.25);

}

/* Utility Classes */
.text-gradient {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.bg-glass {
  background: var(--glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.rounded-xl {
  border-radius: 16px;
}

.shadow-xl {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}