/* ==========================================================================
   2B TELEKOM - MODERN ENTERPRISE DESIGN SYSTEM
   Brand: 2B Telekom (2btelekom.com)
   Typography: Plus Jakarta Sans / Inter
   ========================================================================== */

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

:root {
  /* Color Palette */
  --bg-dark: #090e1a;
  --bg-surface: #0f172a;
  --bg-surface-elevated: #1e293b;
  --bg-light: #f8fafc;
  --bg-light-surface: #ffffff;
  
  --primary: #2563eb;
  --primary-glow: rgba(37, 99, 235, 0.35);
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.35);
  --cyan-hover: #0891b2;
  
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  
  --success: #10b981;
  --success-light: #ecfdf5;
  --danger: #ef4444;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-white: #ffffff;
  
  --border-color: #e2e8f0;
  --border-dark: #334155;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 10px 25px -5px rgba(15,23,42,0.08), 0 8px 10px -6px rgba(15,23,42,0.04);
  --shadow-lg: 0 20px 40px -15px rgba(15,23,42,0.12);
  --shadow-glow: 0 0 30px rgba(37, 99, 235, 0.25);
  
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
  font-family: var(--font-family);
  background-color: #fbfcfe;
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   TOPBAR
   ========================================================================== */
.topbar {
  background-color: var(--bg-dark);
  color: var(--text-light);
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 8px 0;
  position: relative;
  z-index: 101;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-info {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.topbar-item:hover {
  color: var(--text-white);
}

.topbar-item svg {
  width: 15px;
  height: 15px;
  color: var(--cyan);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.topbar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(37, 99, 235, 0.2);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}

.topbar-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.topbar-admin-link {
  color: #cbd5e1;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  padding: 4px 8px;
  border-radius: 4px;
}

.topbar-admin-link:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.08);
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.official-logo {
  height: 46px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  display: block;
}

.official-logo-footer {
  height: 46px;
  width: auto;
  object-fit: contain;
  background: #ffffff;
  padding: 6px 12px;
  border-radius: 8px;
  display: inline-block;
}

.brand-badge {
  background: linear-gradient(135deg, #1e40af, #2563eb, #06b6d4);
  color: #ffffff;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  box-shadow: 0 8px 16px -4px rgba(37, 99, 235, 0.4);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: 1.45rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.5px;
  line-height: 1.15;
}

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

.brand-tagline {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: #334155;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary);
  background-color: rgba(37, 99, 235, 0.05);
}

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

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 270px;
  padding: 12px;
  display: none;
  list-style: none;
  animation: fadeInDown 0.2s ease;
  z-index: 110;
}

.nav-item-dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: #334155;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
}

.dropdown-item a:hover {
  background: #f1f5f9;
  color: var(--primary);
  transform: translateX(4px);
}

.dropdown-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #eff6ff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* Header CTAs */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #1e40af, #2563eb);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  background: #f1f5f9;
  color: #0f172a;
  border: 1px solid #cbd5e1;
}

.btn-secondary:hover {
  background: #e2e8f0;
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, #0284c7, #06b6d4);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.35);
}

.btn-cyan:hover {
  background: linear-gradient(135deg, #0369a1, #0891b2);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--bg-dark);
  border-color: #ffffff;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: #0f172a;
}

/* ==========================================================================
   HERO SECTION & SLIDER
   ========================================================================== */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.18), transparent 45%),
              radial-gradient(circle at 10% 80%, rgba(6, 182, 212, 0.15), transparent 40%),
              linear-gradient(180deg, #0a1020 0%, #0f172a 100%);
  color: #ffffff;
  overflow: hidden;
  padding: 60px 0 80px;
}

.hero-slider-wrapper {
  position: relative;
  min-height: 480px;
}

.hero-slide {
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.hero-slide.active {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  opacity: 1;
}

.hero-content {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(37, 99, 235, 0.25);
  border: 1px solid rgba(96, 165, 250, 0.4);
  color: #93c5fd;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 2.85rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 18px;
  color: #ffffff;
}

.hero-title span {
  background: linear-gradient(135deg, #60a5fa, #38bdf8, #a7f3d0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.12rem;
  line-height: 1.6;
  color: #94a3b8;
  margin-bottom: 32px;
  max-width: 620px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-media {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 2;
}

.hero-image-card {
  position: relative;
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 40px rgba(37, 99, 235, 0.2);
  transition: transform 0.4s ease;
  max-width: 480px;
  width: 100%;
}

.hero-image-card:hover {
  transform: translateY(-6px) scale(1.02);
}

.hero-image-card img {
  border-radius: var(--radius-md);
  max-height: 340px;
  object-fit: contain;
  margin: 0 auto;
}

/* Floating Trust Badges on Hero */
.hero-floating-stat {
  position: absolute;
  bottom: -20px;
  right: -15px;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.4);
}

.hero-floating-stat .stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1;
}

.hero-floating-stat .stat-text {
  font-size: 0.75rem;
  color: #cbd5e1;
  line-height: 1.3;
}

/* Slider Controls */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 36px;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: var(--transition);
}

.slider-dot.active {
  background: var(--cyan);
  width: 34px;
  box-shadow: 0 0 10px var(--cyan);
}

/* ==========================================================================
   FEATURE STRIP / KEY VALUE PROP
   ========================================================================== */
.features-strip {
  background: #ffffff;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

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

.feature-box {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px;
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #eff6ff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.3rem;
  transition: var(--transition);
}

.feature-box:hover .feature-icon-wrapper {
  background: var(--primary);
  color: #ffffff;
  transform: rotate(6deg) scale(1.08);
}

.feature-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 2px;
}

.feature-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

.section-alt {
  background-color: #f8fafc;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-tag {
  display: inline-block;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.3rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.7px;
  line-height: 1.25;
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   PRODUCTS CATALOG & FILTER SYSTEM
   ========================================================================== */
.catalog-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 36px;
}

.search-bar-wrapper {
  max-width: 540px;
  margin: 0 auto;
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border-radius: var(--radius-full);
  border: 2px solid #e2e8f0;
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
  font-size: 0.95rem;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

.search-icon-svg {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: #94a3b8;
  pointer-events: none;
}

.category-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.cat-tab {
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 0.88rem;
  color: #475569;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-tab:hover {
  background: #f1f5f9;
  color: var(--primary);
}

.cat-tab.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* Products Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 28px;
}

.product-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: #cbd5e1;
}

.product-media {
  background: #f8fafc;
  padding: 24px 16px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-media img {
  max-height: 170px;
  max-width: 90%;
  object-fit: contain;
  transition: transform 0.4s ease;
}

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

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: linear-gradient(135deg, #1e40af, #2563eb);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.product-category-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

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

.product-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
  margin-bottom: 6px;
}

.product-model {
  display: inline-block;
  font-size: 0.8rem;
  color: #64748b;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-desc {
  font-size: 0.88rem;
  color: #64748b;
  line-height: 1.5;
  margin-bottom: 18px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  border-top: 1px solid #f1f5f9;
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.product-quote-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: #059669;
  background: #ecfdf5;
  padding: 4px 8px;
  border-radius: 6px;
}

/* ==========================================================================
   BULUT SANTRAL COST SAVING CALCULATOR
   ========================================================================== */
.calculator-card {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.calculator-card::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.25), transparent 70%);
  pointer-events: none;
}

.calc-sliders {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.slider-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.slider-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: #cbd5e1;
}

.slider-val-box {
  background: rgba(37, 99, 235, 0.25);
  border: 1px solid #3b82f6;
  color: #93c5fd;
  padding: 4px 12px;
  border-radius: 6px;
  font-weight: 800;
  font-size: 1.1rem;
}

.range-input {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #334155;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--cyan);
  cursor: pointer;
  box-shadow: 0 0 10px var(--cyan);
  border: 2px solid #ffffff;
}

.calc-results-box {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 32px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.calc-saving-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #94a3b8;
  margin-bottom: 8px;
}

.calc-saving-amount {
  font-size: 3rem;
  font-weight: 800;
  color: #38bdf8;
  line-height: 1;
  margin-bottom: 8px;
}

.calc-saving-subtext {
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-bottom: 24px;
}

/* ==========================================================================
   SERVICES GRID
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.service-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
  box-shadow: 0 20px 35px -10px rgba(37, 99, 235, 0.12);
}

.service-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  border-top: 1px solid #f1f5f9;
  padding-top: 16px;
}

.service-highlight-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #334155;
}

.service-highlight-item svg {
  color: var(--success);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ==========================================================================
   SOLUTION WIZARD (SANTRAL SİHİRBAZI)
   ========================================================================== */
.wizard-box {
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
}

.wizard-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 32px;
}

.wizard-step-card {
  border: 2px solid #e2e8f0;
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.wizard-step-card:hover, .wizard-step-card.active {
  border-color: var(--primary);
  background: #eff6ff;
  transform: translateY(-3px);
}

.wizard-step-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.wizard-step-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.wizard-result-box {
  background: #0f172a;
  color: #ffffff;
  padding: 30px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* ==========================================================================
   PARTNERS & REFERENCES
   ========================================================================== */
.partners-slider {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 32px;
}

.partner-card {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 14px;
  transition: var(--transition);
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.partner-card img {
  height: 38px;
  width: auto;
  object-fit: contain;
}

.partner-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #0f172a;
}

.partner-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ==========================================================================
   BLOG / ANNOUNCEMENTS
   ========================================================================== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

.blog-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

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

.blog-media {
  height: 200px;
  overflow: hidden;
  background: #0f172a;
}

.blog-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.blog-card:hover .blog-media img {
  transform: scale(1.06);
}

.blog-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.blog-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
  margin-bottom: 10px;
}

.blog-summary {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 18px;
  flex-grow: 1;
}

/* ==========================================================================
   BANK ACCOUNTS & CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-card, .bank-card-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 36px;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: #334155;
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #cbd5e1;
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: #0f172a;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.bank-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 16px;
  position: relative;
}

.bank-item h5 {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 4px;
}

.bank-iban {
  font-family: monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  background: #ffffff;
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px dashed #93c5fd;
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.copy-btn {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: var(--primary);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--bg-dark);
  color: #94a3b8;
  padding: 70px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
}

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

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
}

/* ==========================================================================
   MODAL DIALOGS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}

.modal-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  position: relative;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-header {
  padding: 24px 28px;
  border-bottom: 1px solid #e2e8f0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  background: #ffffff;
  z-index: 10;
}

.modal-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0f172a;
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: #64748b;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.modal-close-btn:hover {
  color: #0f172a;
}

.modal-body {
  padding: 28px;
}

/* Floating Actions */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 58px;
  height: 58px;
  background: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
  z-index: 99;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.floating-whatsapp:hover {
  transform: scale(1.12);
}

.floating-call {
  position: fixed;
  bottom: 96px;
  right: 28px;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
  z-index: 99;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.floating-call:hover {
  transform: scale(1.12);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-slide.active {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-subtitle {
    margin: 0 auto 32px;
  }
  .hero-buttons {
    justify-content: center;
  }
  .calculator-card {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .topbar-info {
    display: none;
  }
  .hero-title {
    font-size: 2.1rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .wizard-steps {
    grid-template-columns: 1fr;
  }
  .wizard-result-box {
    flex-direction: column;
    text-align: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   ANNOUNCEMENT / PROMO BANNER
   ========================================================================== */
.announcement-bar {
  background: linear-gradient(90deg, #0f172a 0%, #1e3a8a 50%, #0369a1 100%);
  color: #ffffff;
  padding: 8px 16px;
  font-size: 0.86rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  z-index: 1010;
  animation: bannerSlideDown 0.4s ease;
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.announcement-badge {
  background: #f59e0b;
  color: #0f172a;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.announcement-text {
  font-weight: 500;
  color: #f8fafc;
}

.announcement-link {
  color: #38bdf8;
  font-weight: 700;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s;
}

.announcement-link:hover {
  color: #ffffff;
  text-decoration: underline;
}

.announcement-close {
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
  margin-left: 10px;
}

.announcement-close:hover {
  color: #ffffff;
}

@keyframes bannerSlideDown {
  from { transform: translateY(-100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   DYNAMIC LAYOUT BUILDER SECTION CONTAINER SIZES & BACKGROUNDS
   ========================================================================== */
.layout-section-block {
  transition: opacity 0.3s ease, margin 0.3s ease;
}

.layout-section-block.section-hidden {
  display: none !important;
}

/* Width options */
.layout-section-block.section-width-full > .container {
  max-width: 100% !important;
  width: 100% !important;
  padding-left: 32px;
  padding-right: 32px;
}

.layout-section-block.section-width-compact > .container {
  max-width: 980px !important;
  margin-left: auto;
  margin-right: auto;
}

.layout-section-block.section-width-container > .container {
  max-width: 1240px !important;
  margin-left: auto;
  margin-right: auto;
}

/* Background options */
.layout-section-block.section-bg-default {
  background-color: #ffffff !important;
  color: #0f172a;
}

.layout-section-block.section-bg-alt {
  background-color: #f8fafc !important;
  color: #0f172a;
}

.layout-section-block.section-bg-dark {
  background: linear-gradient(135deg, #090e1a 0%, #001a33 50%, #003b73 100%) !important;
  color: #ffffff !important;
}

.layout-section-block.section-bg-dark .section-title,
.layout-section-block.section-bg-dark h2,
.layout-section-block.section-bg-dark h3,
.layout-section-block.section-bg-dark h4 {
  color: #ffffff !important;
}

.layout-section-block.section-bg-dark .section-subtitle,
.layout-section-block.section-bg-dark p {
  color: #cbd5e1 !important;
}

.layout-section-block.section-bg-dark .section-tag {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}