/* ========================================
   AkıllıBilet - Ana CSS Tasarım Sistemi
   Light Theme - Modern & Premium
   ======================================== */

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

/* ---- CSS DEĞIŞKENLERI ---- */
:root {
  --blue-50:  #EFF6FF;
  --blue-100: #DBEAFE;
  --blue-500: #3B82F6;
  --blue-600: #2563EB;
  --blue-700: #1D4ED8;
  --blue-900: #1E3A8A;

  --green-50:  #ECFDF5;
  --green-400: #34D399;
  --green-500: #10B981;
  --green-600: #059669;

  --orange-50:  #FFF7ED;
  --orange-500: #F59E0B;

  --gray-50:  #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;

  --white: #FFFFFF;
  --bg: #F8FAFF;
  --bg-alt: #EEF4FF;

  /* Primary */
  --primary: var(--blue-600);
  --primary-dark: var(--blue-700);
  --primary-light: var(--blue-50);
  --accent: var(--green-500);
  --accent-light: var(--green-50);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #2563EB 0%, #1D4ED8 50%, #10B981 100%);
  --gradient-hero: linear-gradient(135deg, #EFF6FF 0%, #F0FDF4 50%, #EFF6FF 100%);
  --gradient-card: linear-gradient(145deg, #ffffff 0%, #f8faff 100%);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(37,99,235,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 40px rgba(37,99,235,0.12), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 60px rgba(37,99,235,0.16);

  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* Spacing */
  --container: 1200px;
  --section-y: 80px;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--gray-700);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--gray-900);
  line-height: 1.25;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: inherit; }
ul { list-style: none; }

/* ---- UTILITY ---- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-heading);
}
.badge-blue { background: var(--blue-50); color: var(--blue-600); border: 1px solid var(--blue-100); }
.badge-green { background: var(--green-50); color: var(--green-600); border: 1px solid rgba(16,185,129,0.2); }

.section { padding: var(--section-y) 0; }
.section-alt { background: var(--bg-alt); }

.section-header { margin-bottom: 56px; }
.section-header h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; margin-bottom: 12px; }
.section-header p { font-size: 17px; color: var(--gray-500); max-width: 580px; margin: 0 auto; line-height: 1.7; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(37,99,235,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,99,235,0.4);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--blue-200);
}
.btn-outline:hover {
  background: var(--blue-50);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 9px 18px; font-size: 13px; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(248, 250, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(37,99,235,0.06);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.95);
  box-shadow: var(--shadow-md);
}
.nav-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo-icon {
  width: 38px;
  height: 38px;
  background: var(--gradient-primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(37,99,235,0.3);
}
.nav-logo-text {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 800;
  color: var(--gray-900);
}
.nav-logo-text span { color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition-fast);
}
.nav-links a:hover { color: var(--primary); background: var(--blue-50); }

.nav-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- HERO ---- */
.hero {
  padding: 130px 0 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16,185,129,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge { margin-bottom: 20px; }
.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--gray-900);
}
.hero-subtitle {
  font-size: 17px;
  color: var(--gray-500);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-trust {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-600);
}
.trust-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.5); opacity: 0.7; }
}

/* Hero visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 380px;
  position: relative;
  animation: float 4s ease-in-out infinite;
  border: 1px solid rgba(37,99,235,0.08);
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

.ticket-mock {
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  padding: 24px;
  color: white;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}
.ticket-mock::before {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
}
.ticket-mock-event { font-size: 13px; opacity: 0.8; margin-bottom: 4px; font-weight: 500; }
.ticket-mock-title { font-family: var(--font-heading); font-size: 18px; font-weight: 700; margin-bottom: 16px; }
.ticket-mock-info { display: flex; justify-content: space-between; font-size: 12px; opacity: 0.85; }
.ticket-mock-info span { display: flex; flex-direction: column; gap: 2px; }
.ticket-mock-info strong { font-size: 14px; font-weight: 600; opacity: 1; }

.qr-area {
  background: white;
  border-radius: var(--radius-md);
  padding: 10px;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.qr-box {
  width: 70px; height: 70px;
  background: var(--gray-900);
  border-radius: 8px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  grid-template-rows: repeat(7, 1fr);
  gap: 1px;
  padding: 6px;
  position: relative;
  animation: qr-scan 3s ease-in-out infinite;
}
@keyframes qr-scan {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37,99,235,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(37,99,235,0.1); }
}
.qr-cell { background: white; border-radius: 1px; }
.qr-cell.on { background: var(--gray-900); }

.qr-info { flex: 1; }
.qr-code-text { font-family: monospace; font-size: 10px; color: var(--gray-500); word-break: break-all; }
.qr-holder { font-size: 12px; font-weight: 600; color: var(--gray-800); margin-top: 4px; }

.scan-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  background: var(--green-50);
  color: var(--green-600);
  border: 1px solid rgba(16,185,129,0.2);
}
.scan-status .status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green-500);
  animation: pulse-dot 1.5s infinite;
}
.scan-icon { font-size: 16px; }

.floating-badge {
  position: absolute;
  background: white;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  box-shadow: var(--shadow-lg);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  border: 1px solid var(--gray-100);
}
.floating-badge.b1 {
  top: -20px; left: -30px;
  animation: float-b1 3s ease-in-out infinite;
}
.floating-badge.b2 {
  bottom: 20px; right: -25px;
  animation: float-b2 3.5s ease-in-out infinite;
}
.floating-badge.b3 {
  top: 50%; left: -40px;
  transform: translateY(-50%);
  animation: float-b3 4s ease-in-out infinite;
}
@keyframes float-b1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
@keyframes float-b2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(8px)} }
@keyframes float-b3 { 0%,100%{transform:translateY(-50%) translateX(0)} 50%{transform:translateY(-50%) translateX(-5px)} }

/* ---- STATS BAR ---- */
.stats-bar {
  background: var(--white);
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
  padding: 36px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  text-align: center;
  padding: 20px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.stat-item:hover { background: var(--blue-50); transform: translateY(-2px); }
.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label { font-size: 13px; color: var(--gray-500); font-weight: 500; }

/* ---- HOW IT WORKS ---- */
.how-it-works { background: var(--white); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 40px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0.2;
}

.step-card {
  text-align: center;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  background: var(--bg);
  border: 1px solid var(--gray-100);
  transition: var(--transition);
  position: relative;
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue-100);
  background: white;
}
.step-number {
  width: 56px; height: 56px;
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  margin: 0 auto 20px;
  box-shadow: 0 6px 20px rgba(37,99,235,0.25);
}
.step-icon { font-size: 36px; margin-bottom: 14px; }
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

/* ---- FEATURES ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--blue-100); }
.feature-card:hover::before { transform: scaleX(1); }

.feature-icon {
  width: 52px; height: 52px;
  background: var(--blue-50);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
  transition: var(--transition);
}
.feature-card:hover .feature-icon { background: var(--gradient-primary); transform: scale(1.1); }
.feature-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; color: var(--gray-900); }
.feature-card p { font-size: 14px; color: var(--gray-500); line-height: 1.65; }

/* ---- USE CASES ---- */
.use-cases-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}
.tab-btn {
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-heading);
  background: var(--white);
  color: var(--gray-600);
  border: 1.5px solid var(--gray-200);
  transition: var(--transition);
}
.tab-btn:hover, .tab-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(37,99,235,0.25);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.use-case-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  padding: 22px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.use-case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--blue-100); }
.use-case-icon { font-size: 32px; }
.use-case-card h3 { font-size: 15px; font-weight: 700; color: var(--gray-900); }
.use-case-card p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* ---- TESTIMONIALS ---- */
.testimonials-carousel {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.testimonial-stars { display: flex; gap: 3px; }
.testimonial-stars span { color: var(--orange-500); font-size: 15px; }
.testimonial-quote {
  font-size: 15px;
  color: var(--gray-700);
  line-height: 1.7;
  font-style: italic;
  flex: 1;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-family: var(--font-heading);
  font-size: 16px;
  flex-shrink: 0;
}
.testimonial-info h4 { font-size: 14px; font-weight: 700; color: var(--gray-900); }
.testimonial-info span { font-size: 12px; color: var(--gray-500); }

/* ---- PRICING ---- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}
.pricing-card {
  background: var(--white);
  border: 2px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: var(--transition);
  position: relative;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pricing-card.featured {
  border-color: var(--primary);
  background: var(--gradient-primary);
  color: white;
  transform: scale(1.05);
  box-shadow: var(--shadow-xl);
}
.pricing-card.featured:hover { transform: scale(1.05) translateY(-4px); }

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--orange-500);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-name { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.pricing-price {
  font-family: var(--font-heading);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}
.pricing-card:not(.featured) .pricing-price { color: var(--gray-900); }
.pricing-period { font-size: 13px; opacity: 0.7; margin-bottom: 12px; }
.pricing-desc { font-size: 14px; opacity: 0.8; margin-bottom: 24px; line-height: 1.6; }
.pricing-features { display: flex; flex-direction: column; gap: 10px; margin-bottom: 28px; }
.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
}
.pricing-feature-check {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
  margin-top: 2px;
}
.pricing-card:not(.featured) .pricing-feature-check {
  background: var(--green-50);
  color: var(--green-600);
}
.pricing-card.featured .pricing-feature-check {
  background: rgba(255,255,255,0.25);
  color: white;
}

.pricing-card.featured .btn-outline {
  background: white;
  color: var(--primary);
  border-color: white;
}
.pricing-card.featured .btn-outline:hover { background: var(--blue-50); }

/* ---- FAQ ---- */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { border-color: var(--blue-100); box-shadow: var(--shadow-md); }
.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--gray-800);
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-item.open .faq-question { color: var(--primary); }
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: var(--transition);
  color: var(--gray-500);
}
.faq-item.open .faq-icon { background: var(--blue-50); color: var(--primary); transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-answer { max-height: 300px; }
.faq-answer-inner { padding: 0 24px 20px; font-size: 14px; color: var(--gray-600); line-height: 1.75; }

/* ---- CTA SECTION ---- */
.cta-section {
  background: var(--gradient-primary);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -80px;
  width: 300px; height: 300px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
}
.cta-section h2 { color: white; font-size: clamp(28px, 4vw, 44px); font-weight: 800; margin-bottom: 16px; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 17px; margin-bottom: 36px; max-width: 540px; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ---- CONTACT ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}
.contact-info h2 { font-size: 32px; font-weight: 800; margin-bottom: 16px; }
.contact-info p { font-size: 16px; color: var(--gray-500); line-height: 1.7; margin-bottom: 32px; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-item-icon {
  width: 44px; height: 44px;
  background: var(--blue-50);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.contact-item-text h4 { font-size: 14px; font-weight: 700; color: var(--gray-800); margin-bottom: 2px; }
.contact-item-text p { font-size: 14px; color: var(--gray-500); }

.contact-form {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--gray-800);
  background: var(--bg);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.08);
}
.form-group textarea { resize: vertical; min-height: 120px; }

/* ---- FOOTER ---- */
.footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .nav-logo-text { color: white; font-size: 20px; }
.footer-desc { font-size: 14px; line-height: 1.7; margin: 16px 0 24px; color: var(--gray-400); }
.footer-social { display: flex; gap: 10px; }
.social-btn {
  width: 38px; height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
  color: var(--gray-400);
}
.social-btn:hover { background: var(--primary); color: white; transform: translateY(-2px); }

.footer-col h4 { font-family: var(--font-heading); font-size: 14px; font-weight: 700; color: white; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 14px; color: var(--gray-400); transition: var(--transition-fast); }
.footer-col ul a:hover { color: var(--blue-400); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom p { font-size: 13px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 13px; color: var(--gray-400); transition: var(--transition-fast); }
.footer-links a:hover { color: var(--blue-400); }

/* ---- SCROLL REVEAL ---- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---- NOTIFICATION / ALERT ---- */
.alert {
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-success { background: var(--green-50); color: var(--green-600); border: 1px solid rgba(16,185,129,0.2); }
.alert-error { background: #FEF2F2; color: #DC2626; border: 1px solid rgba(220,38,38,0.2); }
.alert-info { background: var(--blue-50); color: var(--blue-600); border: 1px solid var(--blue-100); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1200px) {
  .pricing-card.featured { transform: none; }
}

@media (max-width: 900px) {
  :root { --section-y: 60px; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-card { max-width: 360px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px;
    left: 0; right: 0;
    background: white;
    padding: 20px;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-lg);
    gap: 4px;
    z-index: 999;
  }
  .nav-links.open a { padding: 12px 16px; border-radius: var(--radius-sm); }
  .nav-toggle { display: flex; }
  .nav-actions .btn { display: none; }
  .hero { padding: 110px 0 60px; }
  .hero-actions { flex-direction: column; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .use-cases-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ---- WHATSAPP BUTTON ---- */
.whatsapp-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px; height: 56px;
  background: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: var(--transition);
  text-decoration: none;
}
.whatsapp-btn:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.5); }

/* ---- BACK TO TOP ---- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 96px;
  width: 44px; height: 44px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
  z-index: 999;
  transition: var(--transition);
  opacity: 0;
  pointer-events: none;
  cursor: pointer;
  border: none;
}
.back-to-top.visible { opacity: 1; pointer-events: auto; }
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(37,99,235,0.4); }

/* ---- KAMU & STK ÜCRETSİZ KULLANIM BANDI ---- */
.public-benefit-banner {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #0F4C81 100%);
  position: relative;
  overflow: hidden;
  padding: 60px 0;
}
.public-benefit-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 50%, rgba(16,185,129,0.15) 0%, transparent 50%),
    radial-gradient(circle at 85% 30%, rgba(37,99,235,0.2) 0%, transparent 50%);
  pointer-events: none;
}
.public-benefit-banner::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(16,185,129,0.6), rgba(37,99,235,0.6), transparent);
}
.pbb-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.pbb-left {}
.pbb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.35);
  color: #34D399;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 20px;
}
.pbb-eyebrow span { font-size: 16px; }
.pbb-title {
  font-family: var(--font-heading);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 14px;
}
.pbb-title em {
  font-style: normal;
  background: linear-gradient(90deg, #34D399, #60A5FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.pbb-desc {
  color: rgba(255,255,255,0.65);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 28px;
}
.pbb-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #10B981, #059669);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(16,185,129,0.4);
}
.pbb-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(16,185,129,0.55);
}
.pbb-right {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.pbb-org-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.pbb-org-card:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(52,211,153,0.35);
  transform: translateX(4px);
}
.pbb-org-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.pbb-org-icon.gov  { background: rgba(59,130,246,0.2); }
.pbb-org-icon.edu  { background: rgba(245,158,11,0.2); }
.pbb-org-icon.ngo  { background: rgba(16,185,129,0.2); }
.pbb-org-text h4 {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}
.pbb-org-text p {
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  line-height: 1.4;
}
.pbb-free-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(52,211,153,0.2);
  border: 1px solid rgba(52,211,153,0.4);
  color: #34D399;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: var(--radius-full);
  margin-left: 8px;
  vertical-align: middle;
}
@media (max-width: 768px) {
  .pbb-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .public-benefit-banner { padding: 48px 0; }
}