/* ============================================
   QIDI Tech Türkiye - Ana Stil Dosyası
   ============================================ */

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

:root {
  --primary: #3182ce;
  --primary-dark: #2b6cb0;
  --secondary: #1a365d;
  --dark: #0f172a;
  --text: #334155;
  --text-light: #64748b;
  --text-muted: #94a3b8;
  --bg: #ffffff;
  --bg-light: #f1f5f9;
  --bg-dark: #0f172a;
  --border: #e2e8f0;
  --shadow: 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-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

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

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

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   Top Banner
   ============================================ */
.top-banner {
  background: var(--dark);
  color: #fff;
  text-align: center;
  padding: 8px 0;
  font-size: 13px;
}

.top-banner a {
  color: var(--primary);
  font-weight: 600;
}

.top-banner a:hover {
  text-decoration: underline;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(226,232,240,0.8);
  transition: box-shadow 0.3s ease, background 0.3s ease, border-color 0.3s ease;
}

.header.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  border-bottom-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  gap: 30px;
}

/* Logo */
.logo, .footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Poppins', sans-serif;
  border-radius: 12px;
  padding: 6px 12px;
  transition: all 0.3s ease;
  background: linear-gradient(135deg, rgba(49, 130, 206, 0.08), rgba(49, 130, 206, 0.03));
  border: 1px solid rgba(49, 130, 206, 0.15);
  box-shadow: 0 2px 8px rgba(49, 130, 206, 0.1);
}

.logo:hover {
  background: linear-gradient(135deg, rgba(49, 130, 206, 0.12), rgba(49, 130, 206, 0.05));
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(49, 130, 206, 0.15);
}

.logo img, .footer-logo img {
  height: 36px;
  width: auto;
  border-radius: 6px;
}
.logo-text {
  font-size: 14px;
  font-weight: 600;
  color: #333;
  margin-left: 12px;
  display: inline-block;
  vertical-align: middle;
  line-height: 1.3;
}
.logo-text small {
  font-size: 10px;
  font-weight: 400;
  color: #666;
  display: block;
}

/* Navigation */
.nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
  transition: color 0.2s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  right: 50%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: left 0.25s cubic-bezier(0.4,0,0.2,1), right 0.25s cubic-bezier(0.4,0,0.2,1);
}

.nav-link:hover::after, .nav-link.active::after {
  left: 12px;
  right: 12px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background: rgba(49, 130, 206, 0.05);
}

.nav-icon {
  width: 14px;
  height: 14px;
  transition: var(--transition);
}

.has-dropdown:hover .nav-icon {
  transform: rotate(180deg);
}

/* Dropdown */
.has-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0,0,0,0.05);
  border: 1px solid rgba(0,0,0,0.08);
  padding: 28px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 680px;
  z-index: 100;
}

.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-sm {
  min-width: 260px;
  padding: 16px;
  border-radius: 12px;
}

.dropdown-sm .dropdown-link {
  padding: 10px 14px;
  border-radius: 8px;
}

.dropdown-sm .dropdown-link:hover {
  background: rgba(229, 62, 62, 0.05);
  color: var(--primary);
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.dropdown-col {
  display: flex;
  flex-direction: column;
}

.dropdown-col h4 {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(49,130,206,0.15);
}

.dropdown-col a {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  border-radius: 8px;
  transition: all 0.18s ease;
  margin-bottom: 2px;
  position: relative;
  padding-left: 10px;
}

.dropdown-col a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px;
  height: 60%;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.18s ease;
}

.dropdown-col a:hover {
  color: var(--primary);
  background: rgba(49,130,206,0.06);
  padding-left: 16px;
}

.dropdown-col a:hover::before {
  transform: translateY(-50%) scaleY(1);
}

.dropdown-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(229, 62, 62, 0.15);
  display: flex;
  align-items: center;
  gap: 6px;
}

.dropdown-link {
  display: flex;
  align-items: center;
  padding: 9px 12px;
  font-size: 14px;
  font-weight: 500;
  color: #1a1a1a;
  border-radius: 8px;
  transition: all 0.2s ease;
  margin-bottom: 2px;
}

.dropdown-link:hover {
  color: var(--primary);
  background: rgba(229, 62, 62, 0.06);
  padding-left: 16px;
}

.dropdown-link i {
  width: 16px;
  height: 16px;
  margin-right: 8px;
  opacity: 0.5;
}

.dropdown-link:hover i {
  opacity: 1;
  color: var(--primary);
}

.dropdown-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,0,0,0.06), transparent);
  margin: 8px 0;
}

.dropdown-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.dropdown-footer a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px;
  background: linear-gradient(135deg, rgba(229, 62, 62, 0.08), rgba(229, 62, 62, 0.03));
  border-radius: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.dropdown-footer a:hover {
  background: linear-gradient(135deg, rgba(229, 62, 62, 0.15), rgba(229, 62, 62, 0.08));
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  color: var(--text);
}

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

.header-btn svg {
  width: 20px;
  height: 20px;
}

.cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn {
  display: none;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Poppins', sans-serif;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(229, 62, 62, 0.3);
}

.btn-outline {
  border-color: #fff;
  color: #fff;
  background: transparent;
}

.btn-outline:hover {
  background: #fff;
  color: var(--dark);
}

.btn-outline-dark {
  border-color: var(--dark);
  color: var(--dark);
  background: transparent;
}

.btn-outline-dark:hover {
  background: var(--dark);
  color: #fff;
}

.btn-outline-light {
  border-color: rgba(255,255,255,0.5);
  color: #fff;
  background: transparent;
}

.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn-disabled {
  background: #ccc;
  color: #666;
  cursor: not-allowed;
}

.btn-sm { padding: 8px 20px; font-size: 13px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-full { width: 100%; }

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
}

.hero-slide {
  min-height: 600px;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}

.hero-slide .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding-top: 40px;
  padding-bottom: 40px;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  border: 1px solid rgba(255,255,255,0.2);
}

.hero-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
}

.hero-title span {
  background: linear-gradient(135deg, #ff6b6b, #ffd93d);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
  max-width: 480px;
  line-height: 1.7;
}

.hero-features {
  display: flex;
  gap: 24px;
  margin-bottom: 28px;
}

.hero-feature {
  display: flex;
  flex-direction: column;
}

.feature-value {
  font-family: 'Poppins', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: #ffd93d;
}

.feature-label {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}

.hero-price {
  display: flex;
  align-items: center;
  gap: 12px;
}

.price-old {
  font-size: 16px;
  color: rgba(255,255,255,0.5);
  text-decoration: line-through;
}

.price-current {
  font-family: 'Poppins', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: #ffd93d;
}

.hero-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image img {
  max-height: 450px;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.4));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Swiper Overrides */
.hero .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background: rgba(255,255,255,0.4);
  opacity: 1;
}

.hero .swiper-pagination-bullet-active {
  background: var(--primary);
  width: 30px;
  border-radius: 6px;
}

.hero .swiper-button-next,
.hero .swiper-button-prev {
  color: #fff;
  background: rgba(0,0,0,0.3);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  backdrop-filter: blur(10px);
}

.hero .swiper-button-next::after,
.hero .swiper-button-prev::after {
  font-size: 18px;
}

/* ============================================
   Features Bar
   ============================================ */
.features-bar {
  background: var(--bg-light);
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
}

.feature-item svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
  flex-shrink: 0;
}

.feature-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.feature-item span {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================
   Sections
   ============================================ */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(229,62,62,0.1), rgba(229,62,62,0.05));
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 12px;
  border: 1px solid rgba(229,62,62,0.15);
}

.section-title {
  font-size: 36px;
  margin-bottom: 12px;
  color: var(--dark);
}

.section-desc {
  font-size: 16px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.section-cta {
  text-align: center;
  margin-top: 40px;
}

/* ============================================
   Products Grid
   ============================================ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.product-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}

.product-card.featured {
  grid-column: span 1;
  grid-row: span 1;
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  z-index: 2;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-badge + .product-badge {
  top: 40px;
}

.badge-new { background: #3182ce; color: #fff; }
.badge-sale { background: var(--primary); color: #fff; }
.badge-hot { background: #dd6b20; color: #fff; }
.badge-soldout { background: #718096; color: #fff; }

.product-image {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  min-height: 220px;
}

.product-image {
  height: 200px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
  overflow: hidden;
}

.product-image img {
  max-height: 180px;
  max-width: 100%;
  object-fit: contain;
  transition: var(--transition);
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-info {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-info .btn {
  margin-top: auto;
}

.product-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--dark);
}

.product-specs {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-price {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.product-price .price-old {
  font-size: 14px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.product-price .price-current {
  font-family: 'Poppins', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}

/* ============================================
   Filaments
   ============================================ */
.filaments-section {
  background: var(--bg-light);
}

.filament-categories {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 32px;
}

.filament-tab {
  padding: 8px 20px;
  border: 2px solid var(--border);
  border-radius: 50px;
  background: #fff;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}

.filament-tab:hover, .filament-tab.active {
  background: var(--dark);
  color: #fff;
  border-color: var(--dark);
}

.filaments-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.filament-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.filament-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.filament-image {
  padding: 20px;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
}

.filament-image img {
  max-height: 160px;
  object-fit: contain;
}

.filament-placeholder {
  width: 120px;
  height: 120px;
  background: linear-gradient(135deg, #e2e8f0, #cbd5e0);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.filament-info {
  padding: 16px;
}

.filament-type {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filament-info h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 4px 0 8px;
  color: var(--dark);
}

.filament-price {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filament-price .price-old {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.filament-price .price-current {
  font-family: 'Poppins', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

/* ============================================
   Why Section
   ============================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.why-card {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.why-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.why-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(229,62,62,0.1), rgba(229,62,62,0.05));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.why-icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

.why-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--dark);
}

.why-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* ============================================
   Accessories
   ============================================ */
.accessories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.accessory-category {
  background: var(--bg-light);
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
  text-align: center;
}

.accessory-category:hover {
  background: #fff;
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.acc-icon {
  width: 60px;
  height: 60px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: var(--shadow);
}

.acc-icon svg {
  width: 28px;
  height: 28px;
  color: var(--primary);
}

.accessory-category h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.accessory-category p {
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 16px;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--secondary) 100%);
  padding: 80px 0;
  text-align: center;
  color: #fff;
}

.cta-content h2 {
  font-size: 40px;
  margin-bottom: 12px;
}

.cta-content p {
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
}

/* ============================================
   FAQ
   ============================================ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 16px; margin-top: 24px; } .faq-container { display: flex; flex-direction: column; gap: 12px; max-width: 900px; margin: 32px auto 0; } .faq-item { border: 1px solid #e2e8f0; border-radius: 12px; overflow: hidden; background: white; transition: all 0.3s; } .faq-item:hover { border-color: #3182ce; box-shadow: 0 2px 8px rgba(49,130,206,0.1); } .faq-item.active { border-color: #3182ce; box-shadow: 0 4px 12px rgba(49,130,206,0.15); } .faq-question { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; cursor: pointer; font-weight: 600; color: #1a1a1a; font-size: 16px; background: #f8fafc; transition: all 0.3s; } .faq-question:hover { background: #f1f5f9; } .faq-item.active .faq-question { background: #3182ce; color: white; } .faq-question i { transition: transform 0.3s; flex-shrink: 0; margin-left: 12px; } .faq-item.active .faq-question i { transform: rotate(180deg); } .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out; padding: 0 20px; line-height: 1.8; color: #64748b; } .faq-item.active .faq-answer { max-height: 500px; padding: 16px 20px; border-top: 1px solid #e2e8f0; } .faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: #fff;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--bg-light);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: var(--transition);
  color: var(--primary);
}

.faq-item.active .faq-question svg {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 18px;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-content .section-badge {
  display: inline-block;
}

.about-content .section-title {
  text-align: left;
  margin-bottom: 16px;
}

.about-content p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 12px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.stat {
  text-align: center;
  padding: 16px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
}

.stat-value {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.about-img-placeholder {
  background: linear-gradient(135deg, var(--bg-light), #e2e8f0);
  border-radius: var(--radius-lg);
  height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-muted);
  font-size: 14px;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
  background: var(--bg-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item strong {
  display: block;
  font-size: 15px;
  margin-bottom: 4px;
}

.contact-item p {
  font-size: 14px;
  color: var(--text-light);
}

.contact-item a {
  color: var(--text-light);
}

.contact-item a:hover {
  color: var(--primary);
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 50%;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.social-link svg {
  width: 18px;
  height: 18px;
}

/* Contact Form */
.contact-form-wrapper {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  transition: var(--transition);
  background: var(--bg-light);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
  background: #fff;
}

.form-group textarea {
  resize: vertical;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-dark);
  color: #fff;
  padding-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-about p {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin: 16px 0;
}

.footer-logo .logo-text {
  color: #fff;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-col ul a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.footer-contact svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact span,
.footer-contact a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}

.footer .social-links {
  margin-top: 16px;
}

.footer .social-link {
  background: rgba(255,255,255,0.1);
  border-color: transparent;
  color: rgba(255,255,255,0.6);
}

.footer .social-link:hover {
  background: var(--primary);
  color: #fff;
}

.footer-bottom {
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.payment-methods {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

.payment-icons {
  display: flex;
  gap: 12px;
}

.payment-icon {
  font-size: 12px;
  background: rgba(255,255,255,0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
  .hero-title { font-size: 40px; }
  .hero-slide .container { gap: 20px; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
  .product-card.featured { grid-column: span 1; grid-row: span 1; }
  .product-card.featured .product-image { min-height: 220px; }
  .product-card.featured .product-image img { max-height: 200px; }
  .filaments-grid { grid-template-columns: repeat(3, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .accessories-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(3, 1fr); }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .mobile-menu-btn { display: flex; }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background: #fff;
    z-index: 2000;
    flex-direction: column;
    justify-content: flex-start;
    padding: 80px 24px 24px;
    box-shadow: -10px 0 30px rgba(0,0,0,0.2);
    transition: right 0.3s ease;
    overflow-y: auto;
  }

  .nav.active { right: 0; }

  .nav-list {
    flex-direction: column;
    gap: 0;
  }

  .nav-link {
    padding: 14px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  .dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    min-width: 100%;
    padding: 0 0 0 16px;
    display: none;
  }

  .has-dropdown.active .dropdown-menu { display: block; }

  .dropdown-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-slide .container {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 30px;
  }

  .hero-title { font-size: 32px; }
  .hero-desc { margin: 0 auto 20px; }
  .hero-features { justify-content: center; flex-wrap: wrap; }
  .hero-actions { justify-content: center; }
  .hero-price { justify-content: center; }
  .hero-image img { max-height: 280px; }
  .hero-slide { min-height: auto; padding: 20px 0; }

  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 28px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .filaments-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .accessories-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-content .section-title { text-align: center; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-content h2 { font-size: 28px; }
  .cta-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 26px; }
  .features-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .filaments-grid { grid-template-columns: 1fr; }
  .accessories-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: 50px 0; }
}

/* Mobile Menu Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 1999;
}

.nav-overlay.active { display: block; }

/* ============================================
   Comparison Table — Modern Design
   ============================================ */
.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  font-family: 'Poppins', sans-serif;
}

.comparison-table thead tr {
  background: linear-gradient(135deg, var(--secondary), var(--dark));
}

.comparison-table thead th {
  padding: 18px 16px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.3px;
  border-right: 1px solid rgba(255,255,255,0.08);
}

.comparison-table thead th:last-child { border-right: none; }

.comparison-table thead th a {
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s;
}

.comparison-table thead th a:hover { opacity: 0.8; text-decoration: underline; }

.ct-feature-col {
  text-align: left !important;
  min-width: 150px;
  background: rgba(0,0,0,0.15) !important;
}

.ct-combo-col {
  background: rgba(49,130,206,0.18) !important;
}

thead .ct-combo-col {
  background: rgba(49,130,206,0.35) !important;
}

.comparison-table tbody tr {
  transition: background 0.15s;
}

.comparison-table tbody tr:hover {
  background: #f0f7ff;
}

.comparison-table tbody tr:nth-child(even) {
  background: #f8fafc;
}

.comparison-table tbody tr:nth-child(even):hover {
  background: #e8f2ff;
}

.comparison-table tbody td {
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--text);
  text-align: center;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.comparison-table tbody td:last-child { border-right: none; }
.comparison-table tbody tr:last-child td { border-bottom: none; }

.ct-label {
  text-align: left !important;
  font-weight: 600;
  color: var(--dark) !important;
  background: rgba(0,0,0,0.025);
  padding-left: 20px !important;
}

.comparison-table tbody .ct-combo-col {
  background: rgba(49,130,206,0.06) !important;
}

.comparison-table tbody tr:nth-child(even) .ct-combo-col {
  background: rgba(49,130,206,0.1) !important;
}

.comparison-table tbody tr:hover .ct-combo-col {
  background: rgba(49,130,206,0.14) !important;
}

.ct-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.ct-badge-blue { background: #ebf8ff; color: #2b6cb0; border: 1px solid #bee3f8; }
.ct-badge-gray { background: #edf2f7; color: #4a5568; border: 1px solid #cbd5e0; }
.ct-badge-purple { background: #faf5ff; color: #553c9a; border: 1px solid #d6bcfa; }

.ct-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: #c6f6d5;
  color: #276749;
  border-radius: 50%;
  font-size: 12px;
}

.ct-dash {
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
}

.ct-optional {
  display: inline-block;
  padding: 3px 8px;
  background: #fffbeb;
  color: #92400e;
  border: 1px solid #fde68a;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
}

.ct-included {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: #c6f6d5;
  color: #276749;
  border-radius: 50px;
  font-size: 11.5px;
  font-weight: 700;
}

.ct-price-row td {
  padding: 20px 16px !important;
  background: linear-gradient(135deg, #f7fafc, #edf2f7);
}

.ct-price-row .ct-combo-col {
  background: linear-gradient(135deg, #ebf8ff, #bee3f8) !important;
}

.btn-sm {
  padding: 7px 16px;
  font-size: 12px;
}

@media (max-width: 768px) {
  .comparison-table thead th { padding: 12px 10px; font-size: 12px; }
  .comparison-table tbody td { padding: 11px 10px; font-size: 12px; }
  .ct-label { padding-left: 12px !important; }
}