/* style.css - Premium Modern Design for Mercan Sineklik */

/* CSS Variables */
:root {
  --primary-color: #0056b3; /* Rich Mercan Blue */
  --primary-light: #3384ff;
  --primary-dark: #003a80;
  --secondary-color: #f7931e; /* Subtle accent (orange) */
  --text-dark: #1f2937;
  --text-light: #4b5563;
  --bg-color: #f8fafc;
  --white: #ffffff;
  --border-color: #e2e8f0;
  
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--bg-color);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.mt-5 { margin-top: 3rem; }
.text-center { text-align: center; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-weight: 600;
  border-radius: 50px;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary {
  background-color: var(--text-dark);
  color: var(--white);
}

.btn-secondary:hover {
  background-color: #000;
}

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

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--primary-dark);
}

.btn-whatsapp {
  background-color: #25D366;
  color: var(--white);
}
.btn-whatsapp:hover {
  background-color: #1ebe57;
  transform: scale(1.05);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 80px;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  height: 70px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 48px;
  height: 48px;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo:hover .logo-icon {
  transform: scale(1.08) rotate(5deg);
}

.logo-icon svg {
  width: 100%;
  height: 100%;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1.5px;
}

.logo-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--secondary-color);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-top: -2px;
}

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

.nav-list {
  display: flex;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.95rem;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  bottom: -4px;
  left: 0;
  transition: var(--transition);
}

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

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

.hamburger {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  color: var(--text-dark);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(0,18,48,0.85) 0%, rgba(0,35,80,0.6) 50%, rgba(0,0,0,0.1) 100%);
}

.hero-content {
  color: var(--white);
  max-width: 600px;
  z-index: 1;
}

.badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--white);
  margin-bottom: 1.2rem;
}

.hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* Main Layout */
.main-section {
  padding: 5rem 0;
}

.layout-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.sidebar-widget {
  background: var(--white);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
}

.widget-title {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--bg-color);
}

.category-list li {
  margin-bottom: 0.5rem;
}

.category-list a {
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  color: var(--text-light);
  font-weight: 500;
  transition: var(--transition);
}

.category-list a:hover, .category-list a.active {
  background-color: #f0f7ff;
  color: var(--primary-color);
}

.category-list a.active {
  font-weight: 600;
  border-left: 4px solid var(--primary-color);
}

.bg-widget {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  text-align: center;
  border: none;
}

.bg-widget i {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.bg-widget h4 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.bg-widget p {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-bottom: 1.5rem;
}

.support-btn {
  display: block;
  background: var(--white);
  color: var(--primary-dark);
  padding: 0.75rem;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.1rem;
}

.support-btn:hover {
  background: #f0f7ff;
  transform: scale(1.02);
}

/* Content Area */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 1rem;
}

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

.content-header h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.lead {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 3rem;
}

.featured-product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--white);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.featured-img-wrapper {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  cursor: zoom-in;
}

.featured-img {
  width: 100%;
  transition: transform 0.5s;
}

.featured-img-wrapper:hover .featured-img {
  transform: scale(1.05);
}

.zoom-icon {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.zoom-icon i {
  font-size: 3rem;
  color: white;
}

.featured-img-wrapper:hover .zoom-icon {
  opacity: 1;
}

.featured-info h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--primary-dark);
}

.featured-info p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.feature-list i {
  color: var(--primary-color);
  font-size: 1.25rem;
}

/* Series Cards */
.section-subtitle {
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--white);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--primary-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

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

.card-icon {
  width: 60px;
  height: 60px;
  background: #f0f7ff;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.card-content h4 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.card-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 1.5rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  font-weight: 600;
  color: var(--primary-color);
  font-size: 0.95rem;
}

.card-link i {
  transition: var(--transition);
}

.card-link:hover i {
  transform: translateX(4px);
}

/* Call to action */
.call-to-action {
  background: linear-gradient(90deg, #111827, #1f2937);
  border-radius: 20px;
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--white);
}

.cta-content h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.cta-content p {
  opacity: 0.8;
  max-width: 500px;
}

/* Footer */
.footer {
  background: #0f172a;
  color: #cbd5e1;
  padding-top: 5rem;
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.logo-footer .logo-title {
  color: white;
}

.footer-col h4 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 30px;
  height: 2px;
  background: var(--primary-color);
}

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

.footer-col ul a {
  color: #cbd5e1;
}

.footer-col ul a:hover {
  color: var(--primary-light);
  padding-left: 5px;
}

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

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  color: var(--white);
  font-size: 1.2rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 0;
  font-size: 0.9rem;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 90%;
}

.lightbox-img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-close {
  position: fixed;
  top: 20px;
  right: 30px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.3s;
}

.lightbox-close:hover {
  color: #fff;
  transform: scale(1.1);
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-right {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-up.visible, .fade-right.visible {
  opacity: 1;
  transform: translate(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }


/* Responsive */
@media (max-width: 992px) {
  .layout-container {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }
  .sidebar-widget { margin-bottom: 0; }
  
  .featured-product {
    grid-template-columns: 1fr;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    transition: 0.4s;
    overflow-y: auto;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    width: 100%;
    text-align: center;
    gap: 2rem;
  }
  
  .nav-link {
    font-size: 1.25rem;
  }
  
  .header-contact {
    margin-top: 2rem;
    width: 100%;
  }
  .header-contact .btn { width: 100%; }

  .hero h1 { font-size: 2.5rem; }
  .hero-actions { flex-direction: column; }
  
  .sidebar { grid-template-columns: 1fr; }
  
  .call-to-action {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
  }
}