@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0f1115;       /* Siyah tonu */
  --bg-secondary: #181b21;
  --primary: #FFD700;          /* Altın Sarısı */
  --primary-hover: #e0be00;
  --accent: #25D366;           /* WhatsApp Yeşili */
  --accent-hover: #1da851;
  --text-light: #f8fafc;
  --text-muted: #94a3b8;
  --border-light: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(24, 27, 33, 0.75);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-family: 'Outfit', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-light);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1.5rem; }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1rem; }
p { font-size: 1.125rem; color: var(--text-muted); margin-bottom: 1rem; }

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

/* Layout Classes */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding { padding: 6rem 0; }
.text-center { text-align: center; }

/* Header / Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--primary);
}

/* Menu for Desktop */
.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-light);
  position: relative;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: right;
}

.nav-links a:hover::after, .nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 1.125rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  justify-content: center;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--bg-primary);
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

.btn-whatsapp {
  background-color: var(--accent);
  color: white;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

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

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  background: radial-gradient(circle at top right, rgba(255, 215, 0, 0.1), transparent 40%),
              radial-gradient(circle at bottom left, rgba(255, 215, 0, 0.05), transparent 40%);
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-subtitle {
  display: inline-block;
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.2);
}

.hero h1 {
  margin-bottom: 2rem;
  background: linear-gradient(to right, #ffffff, #e2e8f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: 3rem;
  max-width: 700px;
  margin-inline: auto;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Glass Cards (Features/Services) */
.glass-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.glass-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  padding: 3rem 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary);
  transform: scaleX(0);
  transition: var(--transition);
  transform-origin: left;
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 215, 0, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  background: rgba(24, 27, 33, 0.95);
}

.glass-card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: rgba(255, 215, 0, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.glass-card:hover .card-icon {
  background: var(--primary);
  color: var(--bg-primary);
}

/* Sticky WhatsApp/Call Buttons */
.floating-widgets {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 99;
}

.float-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  transition: var(--transition);
  position: relative;
}

.float-whatsapp {
  background-color: var(--accent);
}

.float-whatsapp:hover {
  background-color: var(--accent-hover);
  transform: scale(1.1);
}

.float-call {
  background-color: var(--primary);
  color: var(--bg-primary);
}

.float-call:hover {
  background-color: var(--primary-hover);
  transform: scale(1.1);
}

/* Mobile Menu Variables */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Footer Section */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary);
}

.copy {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-muted);
}

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

.animate {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    transition: var(--transition);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}

/* Page Headers (for subpages) */
.page-header {
  padding: 180px 0 100px;
  background: var(--bg-secondary);
  text-align: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.page-header-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: radial-gradient(circle calc(50%), rgba(255, 215, 0, 0.05), transparent);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: var(--text-muted);
  font-weight: 500;
}

.breadcrumb a {
  color: var(--primary);
}