/* ==========================================================================
   Tasarım Sistemi - Tema Değişkenleri ve Sıfırlama
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;800&display=swap');

:root {
  --primary: #6C3FF5;
  --secondary: #00C9A7;
  --accent: #FF6B6B;
  --dark: #0F0F1A;
  --light: #F8F7FF;
  --text: #2D2D3A;
  --muted: #8888A0;

  --border-radius-card: 12px;
  --border-radius-btn: 8px;
  
  --shadow-sm: 0 2px 8px rgba(15, 15, 26, 0.05);
  --shadow-md: 0 8px 24px rgba(15, 15, 26, 0.08), 0 2px 8px rgba(15, 15, 26, 0.04);
  --shadow-lg: 0 16px 32px rgba(15, 15, 26, 0.12), 0 4px 16px rgba(15, 15, 26, 0.06);
  --shadow-hover: 0 24px 48px rgba(108, 63, 245, 0.15), 0 8px 24px rgba(15, 15, 26, 0.08);

  --transition: 300ms ease;
  --spacing-1: 8px;
  --spacing-2: 16px;
  --spacing-3: 24px;
  --spacing-4: 32px;
  --spacing-5: 40px;
  --spacing-6: 48px;
  --spacing-8: 64px;
  --spacing-12: 96px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background-color: var(--light);
  line-height: 1.6;
}

body {
  overflow-x: hidden;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
img, svg { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ==========================================================================
   Tipografi
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800; letter-spacing: -0.02em; margin-bottom: var(--spacing-3); }
h2 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: var(--spacing-3); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: var(--spacing-2); }
p { margin-bottom: var(--spacing-2); color: var(--text); font-weight: 400; }
.text-muted { color: var(--muted); }
.text-center { text-align: center; }

/* ==========================================================================
   Grid & Layout (1200px max-width container)
   ========================================================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-3);
  width: 100%;
}

.section {
  padding: var(--spacing-12) 0;
}

.grid {
  display: grid;
  gap: var(--spacing-4);
}

.grid-cols-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--spacing-2); }
.gap-3 { gap: var(--spacing-3); }
.gap-4 { gap: var(--spacing-4); }

/* ==========================================================================
   Komponentler
   ========================================================================== */
/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--border-radius-btn);
  font-weight: 500;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(108, 63, 245, 0.3);
}

.btn-primary:hover {
  background-color: #552CE0;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(108, 63, 245, 0.4);
}

.btn-accent {
  background-color: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.btn-accent:hover {
  background-color: #FA5252;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 107, 107, 0.4);
}

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

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

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(248, 247, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(15, 15, 26, 0.05);
  transition: background-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

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

.logo-link {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-4);
  align-items: center;
}

.nav-item {
  position: relative;
  font-weight: 500;
}

.nav-link {
  padding: 8px 0;
  color: var(--dark);
}

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

/* Mega Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background-color: #fff;
  box-shadow: var(--shadow-lg);
  border-radius: var(--border-radius-card);
  padding: var(--spacing-3);
  width: max-content;
  max-width: 800px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2) var(--spacing-4);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 1001;
}

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

.dropdown-link {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: var(--border-radius-btn);
  transition: background-color var(--transition), color var(--transition);
}

.dropdown-link:hover {
  background-color: var(--light);
  color: var(--primary);
}

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  font-size: 24px;
  color: var(--dark);
}

/* Hero Section */
.hero {
  padding-top: calc(80px + var(--spacing-8));
  padding-bottom: var(--spacing-12);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.hero h1, .hero p, .hero h2 {
  color: #fff;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
}

.hero-shape {
  position: absolute;
  top: 50%;
  right: -5%;
  transform: translateY(-50%);
  width: 60%;
  opacity: 0.15;
  z-index: 1;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
}

/* Kartlar (Cards) */
.card {
  background-color: #fff;
  border-radius: var(--border-radius-card);
  padding: var(--spacing-4);
  box-shadow: var(--shadow-md);
  transition: all var(--transition);
  border: 1px solid rgba(15, 15, 26, 0.03);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-hover);
  border-color: rgba(108, 63, 245, 0.1);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-3);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-2);
}

.card-link {
  margin-top: auto;
  color: var(--primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  gap: 8px;
}

/* Özellik (Feature) Listesi */
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.feature-list svg {
  color: var(--secondary);
  flex-shrink: 0;
  margin-top: 4px;
}

/* SSS Accordion */
.accordion {
  border: 1px solid rgba(15, 15, 26, 0.1);
  border-radius: var(--border-radius-card);
  overflow: hidden;
  background: #fff;
}

.accordion-item {
  border-bottom: 1px solid rgba(15, 15, 26, 0.1);
}

.accordion-item:last-child {
  border-bottom: none;
}

.accordion-header {
  width: 100%;
  text-align: left;
  padding: var(--spacing-3);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
}

.accordion-header .icon {
  transition: transform var(--transition);
}

.accordion-header.active .icon {
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 var(--spacing-3);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
}

.accordion-header.active + .accordion-content {
  padding-bottom: var(--spacing-3);
}

/* CTA Banner */
.cta-banner {
  background: var(--dark);
  color: #fff;
  border-radius: var(--border-radius-card);
  padding: var(--spacing-6) var(--spacing-4);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255, 255, 255, 0.9) !important; }
.cta-banner-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background-color: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--spacing-8) 0 var(--spacing-4);
}

.footer h3 { color: #fff; font-size: 1.25rem; margin-bottom: var(--spacing-3); }
.footer p { color: rgba(255, 255, 255, 0.7); }

.footer-links li { margin-bottom: var(--spacing-1); }
.footer-links a:hover { color: var(--secondary); }

.footer-bottom {
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-size: 0.9rem;
}

/* Sayaclar */
.counter-box {
  text-align: center;
}

.counter-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: var(--spacing-1);
}

/* Utilities */
.badge {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(108, 63, 245, 0.1);
  color: var(--primary);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

/* ==========================================================================
   Animasyonlar (Scroll Reveal)
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Animasyonları devre dışı bırakma seçeneği */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
.d-mobile-only {
  display: none;
}

@media (max-width: 992px) {
  .d-none-mobile {
    display: none !important;
  }
  
  .d-mobile-only {
    display: block !important;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    padding: var(--spacing-4);
    box-shadow: var(--shadow-md);
  }

  .nav-menu ul {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0;
  }

  .nav-menu .nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(15, 15, 26, 0.05);
  }
  
  .nav-menu .nav-item:last-child {
    border-bottom: none;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 14px 0;
  }
  
  .nav-item.dropdown > .nav-link svg {
    display: none;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .dropdown-menu {
    display: none !important;
  }
  
  .nav-item.dropdown:hover .dropdown-menu {
    transform: none;
  }
  
  .hero-shape {
    display: none;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.75rem; }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .cta-banner-buttons .btn {
    font-size: 0.95rem !important;
    padding: 12px 16px !important;
    white-space: nowrap !important;
  }
  
  .cta-banner-buttons .btn svg {
    width: 20px !important;
    height: 20px !important;
    margin-right: 6px !important;
  }
}

/* ==========================================================================
   Mobile Sticky Action Bar
   ========================================================================== */
.mobile-action-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #fff;
  box-shadow: 0 -4px 15px rgba(0,0,0,0.08);
  z-index: 9999;
  padding: 10px;
  border-top: 1px solid rgba(15, 15, 26, 0.05);
}

@media (max-width: 768px) {
  .mobile-action-bar {
    display: flex;
    gap: 10px;
  }
  
  body {
    padding-bottom: 70px;
  }
}

.mobile-action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border-radius: var(--border-radius-btn);
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff !important;
  transition: transform var(--transition);
}

.mobile-action-btn:active {
  transform: scale(0.98);
}

.mobile-btn-call {
  background-color: var(--primary);
  box-shadow: 0 4px 10px rgba(108, 63, 245, 0.3);
}

.mobile-btn-wa {
  background-color: #25D366;
  box-shadow: 0 4px 10px rgba(37, 211, 102, 0.3);
}