/**
 * BlackWool Medya - Ana CSS Dosyası
 * Modern, responsive ve SEO-friendly tasarım
 */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================
   CSS Variables (Design Tokens)
   ============================================ */
:root {
  --primary: #000000;
  --accent: #dc2626;
  --dark: #000000;
  --light: #ffffff;
  --gray: #666666;
  --light-gray: #f5f5f5;
  --border: #e5e5e5;
  --red-dark: #991b1b;
  --red-light: #fecaca;
  
  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 60px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 15px;
  --radius-xl: 20px;
  
  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.15);
}

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

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ============================================
   Top Design Bar
   ============================================ */
.top-bar {
  background: linear-gradient(135deg, #000000 0%, #333333 100%);
  height: 15px;
  position: relative;
  overflow: hidden;
}

.design-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255,255,255,0.1) 25%, 
    rgba(255,255,255,0.2) 50%, 
    rgba(255,255,255,0.1) 75%, 
    transparent 100%);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
  position: fixed;
  top: 15px;
  width: 100%;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: all 0.3s;
  position: relative;
}

.nav-links a:hover {
  color: var(--accent);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown > a {
  display: flex;
  align-items: center;
  gap: 5px;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 25px;
  min-width: 600px;
  display: none;
  z-index: 1001;
  margin-top: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
}

.dropdown:hover .dropdown-menu {
  display: flex;
  gap: var(--spacing-lg);
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-column h4 {
  font-size: 16px;
  font-weight: 700;
  color: #1e3a8a;
  margin-bottom: 15px;
}

.dropdown-column a {
  display: block;
  padding: 8px 0;
  color: #6b7280;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s;
}

.dropdown-column a:hover {
  color: #1e3a8a;
  padding-left: 5px;
}

.icon-chevron::before {
  content: "▼";
  font-size: 10px;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  padding: 18px 35px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary {
  background: var(--primary);
  color: var(--light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(220, 38, 38, 0.4);
  background: var(--accent);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--light);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp:hover {
  background: #20ba5a;
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(37, 211, 102, 0.35);
}

.btn-outline {
  padding: 18px 40px;
  border: 2px solid var(--primary);
  background: transparent;
  color: var(--primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s;
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ============================================
   Sections
   ============================================ */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-label {
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 15px;
}

.section-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
}

.section-subtitle {
  color: var(--gray);
  font-size: 18px;
  max-width: 700px;
  margin: 0 auto;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
  padding: var(--spacing-xl) 0 20px;
  margin-top: 80px;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.footer-columns {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-column h4 {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #666;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #1e3a8a;
}

.contact-info {
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 15px;
  font-size: 14px;
  color: #666;
}

.contact-icon {
  margin-top: 2px;
  font-weight: bold;
  font-size: 12px;
  color: #1e3a8a;
}

.social-links {
  display: flex;
  gap: 15px;
}

.social-link {
  width: 35px;
  height: 35px;
  background: #1e3a8a;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-weight: bold;
  font-size: 12px;
  transition: all 0.3s;
}

.social-link:hover {
  background: #3b82f6;
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid #e5e7eb;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: #666;
}

.footer-bottom-right {
  display: flex;
  gap: 30px;
}

.footer-bottom-right a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-bottom-right a:hover {
  color: #1e3a8a;
}

/* ============================================
   Mobile Styles
   ============================================ */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 15px;
  z-index: 1001;
  position: relative;
}

.mobile-menu-toggle span {
  width: 25px;
  height: 3px;
  background: #000000;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 2px;
  display: block;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

.mobile-menu {
  position: fixed;
  top: 95px;
  left: 0;
  width: 100%;
  background: white;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1000;
  max-height: calc(100vh - 95px);
  overflow-y: auto;
  border-top: 1px solid #e5e7eb;
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu ul {
  list-style: none;
  padding: 20px;
  margin: 0;
}

.mobile-menu li {
  margin-bottom: 15px;
}

.mobile-menu a {
  color: var(--dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 18px;
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid #f0f0f0;
  transition: color 0.3s;
}

.mobile-menu a:hover {
  color: #dc2626;
}

.mobile-bottom-menu {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #000000 0%, #333333 100%);
  padding: 15px 20px;
  z-index: 1000;
  box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.1);
}

.mobile-bottom-menu .menu-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 500px;
  margin: 0 auto;
}

.mobile-bottom-menu .menu-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: white;
  transition: all 0.3s ease;
  padding: 8px 12px;
  border-radius: 12px;
  min-width: 60px;
}

.mobile-bottom-menu .menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.mobile-bottom-menu .menu-icon {
  width: 24px;
  height: 24px;
  margin-bottom: 4px;
  fill: currentColor;
}

.mobile-bottom-menu .menu-text {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mobile-bottom-menu .whatsapp-item {
  background: #25d366;
  border-radius: 50px;
  padding: 12px 20px;
  margin: 0 10px;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.mobile-bottom-menu .whatsapp-item:hover {
  background: #20ba5a;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .nav-links, .nav-cta {
    display: none !important;
  }
  
  .mobile-menu-toggle {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  .mobile-bottom-menu {
    display: block !important;
  }
  
  .nav-container {
    padding: 0 20px;
  }
  
  body {
    padding-bottom: 80px;
  }
  
  .footer-columns {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  
  .footer-bottom-right {
    flex-direction: column;
    gap: 15px;
  }
}