/* ==========================================================================
   Emre Avcı Website - Custom Premium Design System & Stylesheet
   ========================================================================== */

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

:root {
  /* Font Families */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Border Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
}

/* Light Theme Variables */
:root, [data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: rgba(79, 70, 229, 0.1);
  
  --secondary: #06b6d4;
  --secondary-hover: #0891b2;
  --secondary-light: rgba(6, 182, 212, 0.1);

  --accent: #ec4899;
  --accent-light: rgba(236, 72, 153, 0.1);
  
  --border-color: rgba(226, 232, 240, 0.8);
  --border-focus: rgba(79, 70, 229, 0.5);

  --card-bg: rgba(255, 255, 255, 0.75);
  --card-border: rgba(255, 255, 255, 0.6);
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.4);

  /* Alias variables for norm_kadro.html compatibility */
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-surface: #f1f5f9;
  --bg-input: rgba(255,255,255,0.9);
  --accent-color: #4f46e5;
  --text-main: #0f172a;
  --text-muted: #64748b;

  --success: #10b981;
  --error: #f43f5e;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-light: rgba(99, 102, 241, 0.15);
  
  --secondary: #22d3ee;
  --secondary-hover: #06b6d4;
  --secondary-light: rgba(34, 211, 238, 0.15);

  --accent: #f472b6;
  --accent-light: rgba(244, 114, 182, 0.15);
  
  --border-color: rgba(37, 99, 235, 0.15);
  --border-focus: rgba(99, 102, 241, 0.6);

  --card-bg: rgba(17, 24, 39, 0.7);
  --card-border: rgba(255, 255, 255, 0.05);
  --glass-bg: rgba(11, 15, 25, 0.7);
  --glass-border: rgba(255, 255, 255, 0.07);

  /* Alias variables for norm_kadro.html compatibility */
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-surface: #111827;
  --bg-input: rgba(255,255,255,0.06);
  --accent-color: #6366f1;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;

  --success: #34d399;
  --error: #fb7185;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
}

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

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

/* Scroll Animations - NOT hidden by default, only subtle motion */
.scroll-anim {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

/* Background Gradients */
.bg-gradient-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -10;
  pointer-events: none;
  overflow: hidden;
}

.gradient-blob {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(100px);
  opacity: 0.15;
  mix-blend-mode: screen;
  transition: all var(--transition-slow);
}

[data-theme="light"] .gradient-blob {
  opacity: 0.08;
  mix-blend-mode: multiply;
}

.blob-1 {
  top: -10%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--primary) 0%, rgba(99, 102, 241, 0) 70%);
  animation: float-blob-1 25s infinite alternate;
}

.blob-2 {
  bottom: -10%;
  left: -10%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--secondary) 0%, rgba(6, 182, 212, 0) 70%);
  animation: float-blob-2 20s infinite alternate;
}

@keyframes float-blob-1 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-5%, 10%) scale(1.1); }
  100% { transform: translate(5%, -5%) scale(0.9); }
}

@keyframes float-blob-2 {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(8%, -5%) scale(0.9); }
  100% { transform: translate(-8%, 5%) scale(1.05); }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  font-family: var(--font-heading);
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.logo-text span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding: 6px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  transition: width var(--transition-normal);
  border-radius: var(--radius-full);
}

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

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

/* Theme Toggle Button */
.theme-toggle {
  background: none;
  border: 1px solid var(--border-color);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--text-tertiary);
  transform: translateY(-2px);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.theme-toggle .sun-icon { display: none; }
.theme-toggle .moon-icon { display: block; }

[data-theme="dark"] .theme-toggle .sun-icon { display: block; }
[data-theme="dark"] .theme-toggle .moon-icon { display: none; }

/* Mobile Menu Button */
.menu-mobile-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  width: 32px;
  height: 32px;
}

/* Glassmorphism Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-bounce);
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  border: none;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
  transform: translateY(-3px);
}

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

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

/* Sections Base Styling */
.section {
  padding: 120px 0 80px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px auto;
}

.section-badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-tagline {
  font-size: 3.5rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-tagline span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  width: 100%;
}

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

/* Interactive App Mockup (CSS/SVG based premium mockup) */
.mockup-wrapper {
  position: relative;
  width: 100%;
  max-width: 500px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(34, 211, 238, 0.1) 100%);
  padding: 12px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-lg);
}

.mockup-container {
  background-color: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
}

.mockup-header {
  height: 40px;
  background-color: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 16px;
  justify-content: space-between;
}

.mockup-dots {
  display: flex;
  gap: 6px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}
.mockup-dot-red { background-color: #ef4444; }
.mockup-dot-yellow { background-color: #f59e0b; }
.mockup-dot-green { background-color: #10b981; }

.mockup-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.mockup-body {
  flex: 1;
  display: grid;
  grid-template-columns: 80px 1fr;
}

.mockup-sidebar {
  background-color: var(--bg-tertiary);
  border-right: 1px solid var(--border-color);
  padding: 12px 6px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mockup-side-item {
  height: 18px;
  background-color: var(--border-color);
  border-radius: var(--radius-xs);
  opacity: 0.5;
}

.mockup-side-item.active {
  background-color: var(--primary-light);
  border-left: 2px solid var(--primary);
  opacity: 1;
}

.mockup-main {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mockup-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mockup-stat-card {
  border: 1px solid var(--border-color);
  padding: 8px;
  border-radius: var(--radius-xs);
  background-color: var(--bg-tertiary);
}

.mockup-stat-card .val {
  height: 14px;
  background-color: var(--primary);
  border-radius: 3px;
  width: 60%;
  margin-top: 4px;
}

.mockup-chart-placeholder {
  flex: 1;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  padding: 16px;
  position: relative;
}

.chart-bar {
  width: 20px;
  background: linear-gradient(to top, var(--primary), var(--secondary));
  border-radius: 4px 4px 0 0;
  animation: heightGrow 2s ease-in-out infinite alternate;
}

.chart-bar:nth-child(1) { height: 60%; animation-delay: 0.1s; }
.chart-bar:nth-child(2) { height: 80%; animation-delay: 0.3s; }
.chart-bar:nth-child(3) { height: 45%; animation-delay: 0.5s; }
.chart-bar:nth-child(4) { height: 90%; animation-delay: 0.7s; }

@keyframes heightGrow {
  0% { transform: scaleY(0.9); }
  100% { transform: scaleY(1.05); }
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 40px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-focus);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition-fast);
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  transform: rotate(5deg) scale(1.05);
}

.feature-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Licensing Section */
.licensing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.licensing-info-card {
  padding: 40px;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.licensing-info-card h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  font-weight: 800;
}

.licensing-steps {
  list-style: none;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.licensing-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.step-num {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background-color: var(--primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-text h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.step-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.price-box {
  margin-top: 32px;
  padding: 20px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--secondary);
}

.price-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.price-box .price {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 4px;
}

/* Licensing Dynamic Portal Form */
.license-portal-card {
  padding: 40px;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
}

.form-group {
  margin-bottom: 24px;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  outline: none;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  background-color: var(--bg-secondary);
}

/* CUSTOM DROPDOWN (Required by the specific user rule!) */
.custom-select-wrapper {
  position: relative;
  user-select: none;
  width: 100%;
}

.custom-select-trigger {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.custom-select-trigger:focus, .custom-select-wrapper.open .custom-select-trigger {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
  background-color: var(--bg-secondary);
}

.custom-select-trigger svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
  color: var(--text-secondary);
}

.custom-select-wrapper.open .custom-select-trigger svg {
  transform: rotate(180deg);
}

.custom-options {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  overflow: hidden;
  max-height: 250px;
  overflow-y: auto;
}

.custom-select-wrapper.open .custom-options {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.custom-option {
  padding: 12px 16px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  color: var(--text-secondary);
}

.custom-option:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.custom-option.selected {
  background-color: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* Tooltip & Result Display inside Portal */
.portal-result {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--radius-sm);
  display: none;
  animation: slideUp 0.3s ease-out forwards;
}

.portal-result.success {
  display: block;
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  color: var(--text-primary);
}

.portal-result.error {
  display: block;
  background-color: rgba(244, 63, 94, 0.1);
  border: 1px solid var(--error);
  color: var(--text-primary);
}

.license-box-display {
  display: flex;
  margin-top: 12px;
  gap: 10px;
}

.license-key-out {
  flex: 1;
  font-family: monospace;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 1px;
  background-color: var(--bg-secondary);
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  border: 1px dashed var(--border-color);
  text-align: center;
}

.tooltip-custom {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 10;
}

.tooltip-custom::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 5px;
  border-style: solid;
  border-color: var(--bg-secondary) transparent transparent transparent;
}

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

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-frame {
  position: relative;
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 8px;
  box-shadow: var(--shadow-lg);
}

.about-img-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--bg-secondary);
  border-radius: calc(var(--radius-md) - 4px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--text-secondary);
  padding: 24px;
  text-align: center;
}

.about-img-placeholder svg {
  width: 64px;
  height: 64px;
  color: var(--primary);
  margin-bottom: 16px;
}

.about-content h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.about-content p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.skill-tag {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.skill-tag:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
  transform: scale(1.05);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 60px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card-content h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-card-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-form-card {
  padding: 40px;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

/* Footer Section */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
  margin-top: 80px;
}

.footer p {
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--primary);
}

/* Keyframes & Scroll Animations */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll animations: hidden only when JS loaded (prevents blank page if JS fails) */
.js-ready .scroll-anim {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.js-ready .scroll-anim.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Responsive Adjustments */
@media (max-width: 992px) {
  .hero-grid, .licensing-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero {
    padding-top: 120px;
  }
  
  .hero-content {
    align-items: center;
    text-align: center;
  }
  
  .hero-tagline {
    font-size: 2.8rem;
  }
  
  .hero-buttons {
    justify-content: center;
  }
  
  .about-visual {
    order: -1;
  }
}

@media (max-width: 768px) {
  .header-container {
    height: 70px;
  }
  
  .menu-mobile-btn {
    display: block;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-secondary);
    flex-direction: column;
    padding: 40px 24px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.open {
    transform: translateX(0);
  }
  
  .hero-tagline {
    font-size: 2.2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
}

/* ==========================================================================
   CTA BANNER - İndir + Lisans
   ========================================================================== */
.license-cta-banner {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  padding: 64px 48px;
  text-align: center;
  background: linear-gradient(135deg,
    rgba(99, 102, 241, 0.14) 0%,
    rgba(168, 85, 247, 0.10) 50%,
    rgba(99, 102, 241, 0.10) 100%
  );
  border: 1px solid rgba(99, 102, 241, 0.25);
  box-shadow: 0 20px 60px rgba(99, 102, 241, 0.12), inset 0 1px 0 rgba(255,255,255,0.08);
}

.cta-glow-1 {
  position: absolute;
  top: -80px; left: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.25) 0%, transparent 70%);
  pointer-events: none;
}
.cta-glow-2 {
  position: absolute;
  bottom: -80px; right: -80px;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(168,85,247,0.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.35);
  color: #a5b4fc;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.cta-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(99,102,241,0.4);
  transition: all 0.3s ease;
  border: none;
}
.btn-cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(99,102,241,0.5);
  color: #fff;
}

.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 14px;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}
.btn-cta-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.cta-features {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-secondary);
}
.cta-features span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cta-features svg { color: #10b981; flex-shrink: 0; }

@media (max-width: 768px) {
  .license-cta-banner { padding: 44px 24px; }
  .cta-title { font-size: 1.8rem; }
  .cta-actions { flex-direction: column; width: 100%; }
  .btn-cta-primary, .btn-cta-secondary { width: 100%; justify-content: center; }
  .cta-features { gap: 12px; }
}