/* ============================================================================
   ISTANBUL GUARDIAN — Tasarım Sistemi
   ============================================================================
   Tema: Bosphorus (Lacivert + Altın aksent)
   Dil desteği: TR/EN/AR(RTL)/RU
   Mobile-first
   ============================================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+Arabic:wght@400;500;600;700&display=swap');

/* ============================================================================
   1. CSS DEĞİŞKENLERİ (Tasarım Token'ları)
   ============================================================================ */
:root {
  /* Renkler — Bosphorus paleti */
  --ig-bg:           #0a1428;          /* Derin lacivert (Boğaz gece) */
  --ig-bg-soft:      #142340;          /* Soft lacivert */
  --ig-surface:      #1c2e4d;          /* Card yüzey */
  --ig-surface-2:    #243b5e;          /* Üst yüzey */

  --ig-gold:         #c9a961;          /* Antik altın */
  --ig-gold-light:   #e0c88c;          /* Açık altın */
  --ig-gold-dim:     #8a7340;          /* Koyu altın */

  --ig-text:         #f5f1e8;          /* Krem (kağıt rengi) */
  --ig-text-soft:    #c4baa5;          /* Soft krem */
  --ig-text-dim:     #8a8170;          /* Dim krem */

  --ig-success:      #5fb88a;
  --ig-warning:      #d4a04a;
  --ig-danger:       #c66b5a;

  /* Border ve gölge */
  --ig-border:       rgba(201, 169, 97, 0.18);
  --ig-border-soft:  rgba(245, 241, 232, 0.08);
  --ig-shadow-sm:    0 2px 8px rgba(0, 0, 0, 0.3);
  --ig-shadow-md:    0 8px 32px rgba(0, 0, 0, 0.4);
  --ig-shadow-lg:    0 16px 64px rgba(0, 0, 0, 0.5);
  --ig-shadow-gold:  0 4px 24px rgba(201, 169, 97, 0.25);

  /* Tipografi */
  --ig-font-display: 'Cormorant Garamond', 'Noto Sans Arabic', serif;
  --ig-font-body:    'DM Sans', 'Noto Sans Arabic', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --ig-space-xs: 0.25rem;
  --ig-space-sm: 0.5rem;
  --ig-space-md: 1rem;
  --ig-space-lg: 1.5rem;
  --ig-space-xl: 2rem;
  --ig-space-2xl: 3rem;
  --ig-space-3xl: 4rem;

  /* Border radius */
  --ig-radius-sm: 6px;
  --ig-radius-md: 12px;
  --ig-radius-lg: 20px;
  --ig-radius-full: 999px;

  /* Geçişler */
  --ig-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --ig-transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

  /* Container */
  --ig-container-sm: 540px;
  --ig-container-md: 720px;
}

/* Arapça (RTL) için font ayarı */
[dir="rtl"] {
  --ig-font-display: 'Noto Sans Arabic', serif;
  --ig-font-body: 'Noto Sans Arabic', system-ui, sans-serif;
}

/* ============================================================================
   2. TEMEL RESET
   ============================================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--ig-font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ig-text);
  background: var(--ig-bg);
  background-image:
    radial-gradient(ellipse at top, rgba(201, 169, 97, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at bottom, rgba(28, 46, 77, 0.4) 0%, transparent 60%);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Boğaz dalga efekti — body üstüne hafif texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 2px,
      rgba(201, 169, 97, 0.015) 2px,
      rgba(201, 169, 97, 0.015) 4px
    );
  pointer-events: none;
  z-index: 0;
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

a:hover {
  color: var(--ig-gold-light);
}

/* ============================================================================
   3. TİPOGRAFİ
   ============================================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ig-font-display);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); font-weight: 600; }
h4 { font-size: 1.25rem; font-weight: 600; }

.ig-display {
  font-family: var(--ig-font-display);
  font-weight: 400;
  font-style: italic;
}

.ig-tagline {
  font-family: var(--ig-font-display);
  font-style: italic;
  color: var(--ig-gold);
  font-size: 1.125rem;
  letter-spacing: 0.02em;
}

.ig-overline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ig-gold);
  font-weight: 500;
}

/* ============================================================================
   4. LAYOUT
   ============================================================================ */
.ig-container {
  width: 100%;
  max-width: var(--ig-container-md);
  margin: 0 auto;
  padding: 0 var(--ig-space-lg);
  position: relative;
  z-index: 1;
}

.ig-container-sm {
  max-width: var(--ig-container-sm);
}

.ig-page {
  min-height: 100vh;
  padding: var(--ig-space-xl) 0;
  display: flex;
  flex-direction: column;
}

.ig-section {
  padding: var(--ig-space-2xl) 0;
}

/* ============================================================================
   5. NAVBAR
   ============================================================================ */
.ig-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ig-space-md) var(--ig-space-lg);
  background: rgba(10, 20, 40, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--ig-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.ig-nav-brand {
  font-family: var(--ig-font-display);
  font-size: 1.5rem;
  color: var(--ig-gold);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.ig-nav-brand span {
  color: var(--ig-text);
}

.ig-lang-switcher {
  display: flex;
  gap: var(--ig-space-xs);
  align-items: center;
}

.ig-lang-btn {
  background: transparent;
  border: 1px solid var(--ig-border);
  color: var(--ig-text-soft);
  width: 36px;
  height: 36px;
  border-radius: var(--ig-radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  transition: all var(--ig-transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ig-lang-btn:hover {
  border-color: var(--ig-gold);
  color: var(--ig-gold);
}

.ig-lang-btn.active {
  background: var(--ig-gold);
  color: var(--ig-bg);
  border-color: var(--ig-gold);
}

/* ============================================================================
   6. CARD
   ============================================================================ */
.ig-card {
  background: var(--ig-surface);
  border: 1px solid var(--ig-border);
  border-radius: var(--ig-radius-md);
  padding: var(--ig-space-lg);
  box-shadow: var(--ig-shadow-md);
  transition: all var(--ig-transition);
}

.ig-card:hover {
  border-color: rgba(201, 169, 97, 0.3);
  transform: translateY(-2px);
  box-shadow: var(--ig-shadow-lg);
}

.ig-card-image {
  width: 100%;
  aspect-ratio: 16/10;
  border-radius: var(--ig-radius-sm);
  overflow: hidden;
  margin-bottom: var(--ig-space-md);
  background: var(--ig-bg-soft);
  position: relative;
}

.ig-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--ig-transition-slow);
}

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

.ig-card-title {
  font-family: var(--ig-font-display);
  font-size: 1.5rem;
  margin-bottom: var(--ig-space-xs);
}

.ig-card-meta {
  color: var(--ig-text-dim);
  font-size: 0.875rem;
  margin-bottom: var(--ig-space-sm);
}

.ig-card-price {
  color: var(--ig-gold);
  font-weight: 600;
  font-size: 1.125rem;
  font-family: var(--ig-font-display);
}

/* Category card (büyük ikonlu) */
.ig-category-card {
  background: var(--ig-surface);
  border: 1px solid var(--ig-border);
  border-radius: var(--ig-radius-md);
  padding: var(--ig-space-xl) var(--ig-space-md);
  text-align: center;
  cursor: pointer;
  transition: all var(--ig-transition);
  display: block;
  color: inherit;
}

.ig-category-card:hover {
  background: var(--ig-surface-2);
  border-color: var(--ig-gold);
  transform: translateY(-4px);
  color: var(--ig-text);
}

.ig-category-icon {
  font-size: 2.5rem;
  margin-bottom: var(--ig-space-sm);
  display: block;
}

.ig-category-name {
  font-family: var(--ig-font-display);
  font-size: 1.125rem;
  font-weight: 500;
}

/* ============================================================================
   7. BUTONLAR
   ============================================================================ */
.ig-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ig-space-sm);
  padding: var(--ig-space-md) var(--ig-space-xl);
  font-family: var(--ig-font-body);
  font-weight: 500;
  font-size: 1rem;
  border-radius: var(--ig-radius-sm);
  border: none;
  cursor: pointer;
  transition: all var(--ig-transition);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.ig-btn-primary {
  background: var(--ig-gold);
  color: var(--ig-bg);
  box-shadow: var(--ig-shadow-gold);
}

.ig-btn-primary:hover {
  background: var(--ig-gold-light);
  color: var(--ig-bg);
  transform: translateY(-1px);
}

.ig-btn-primary:disabled {
  background: var(--ig-gold-dim);
  cursor: not-allowed;
  opacity: 0.6;
}

.ig-btn-secondary {
  background: transparent;
  color: var(--ig-gold);
  border: 1px solid var(--ig-gold);
}

.ig-btn-secondary:hover {
  background: var(--ig-gold);
  color: var(--ig-bg);
}

.ig-btn-ghost {
  background: var(--ig-surface);
  color: var(--ig-text);
  border: 1px solid var(--ig-border);
}

.ig-btn-ghost:hover {
  border-color: var(--ig-gold);
  color: var(--ig-gold);
}

.ig-btn-block {
  width: 100%;
}

.ig-btn-large {
  padding: var(--ig-space-lg) var(--ig-space-2xl);
  font-size: 1.125rem;
}

/* ============================================================================
   8. FORM
   ============================================================================ */
.ig-form-group {
  margin-bottom: var(--ig-space-lg);
}

.ig-label {
  display: block;
  font-size: 0.875rem;
  color: var(--ig-text-soft);
  margin-bottom: var(--ig-space-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.ig-input,
.ig-textarea,
.ig-select {
  width: 100%;
  padding: var(--ig-space-md);
  background: var(--ig-bg-soft);
  border: 1px solid var(--ig-border);
  border-radius: var(--ig-radius-sm);
  color: var(--ig-text);
  font-size: 1rem;
  transition: all var(--ig-transition);
}

.ig-input:focus,
.ig-textarea:focus,
.ig-select:focus {
  outline: none;
  border-color: var(--ig-gold);
  background: var(--ig-surface);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.1);
}

.ig-input::placeholder,
.ig-textarea::placeholder {
  color: var(--ig-text-dim);
}

.ig-textarea {
  min-height: 120px;
  resize: vertical;
}

.ig-error {
  color: var(--ig-danger);
  font-size: 0.875rem;
  margin-top: var(--ig-space-xs);
}

/* ============================================================================
   9. GRID & LIST
   ============================================================================ */
.ig-grid {
  display: grid;
  gap: var(--ig-space-lg);
}

.ig-grid-2 { grid-template-columns: repeat(2, 1fr); }
.ig-grid-3 { grid-template-columns: repeat(2, 1fr); }

@media (min-width: 720px) {
  .ig-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.ig-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--ig-space-md);
}

/* ============================================================================
   10. BADGE & TAG
   ============================================================================ */
.ig-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--ig-space-xs) var(--ig-space-sm);
  background: rgba(201, 169, 97, 0.15);
  color: var(--ig-gold);
  border-radius: var(--ig-radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ig-badge-success {
  background: rgba(95, 184, 138, 0.15);
  color: var(--ig-success);
}

.ig-badge-warning {
  background: rgba(212, 160, 74, 0.15);
  color: var(--ig-warning);
}

.ig-badge-danger {
  background: rgba(198, 107, 90, 0.15);
  color: var(--ig-danger);
}

/* ============================================================================
   11. LOADER
   ============================================================================ */
.ig-loader {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--ig-border);
  border-top-color: var(--ig-gold);
  border-radius: 50%;
  animation: ig-spin 0.8s linear infinite;
}

.ig-loader-large {
  width: 48px;
  height: 48px;
  border-width: 3px;
}

@keyframes ig-spin {
  to { transform: rotate(360deg); }
}

.ig-loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 40, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

/* ============================================================================
   12. UTILITIES
   ============================================================================ */
.ig-text-center { text-align: center; }
.ig-text-gold { color: var(--ig-gold); }
.ig-text-soft { color: var(--ig-text-soft); }
.ig-text-dim { color: var(--ig-text-dim); }

.ig-mt-sm  { margin-top: var(--ig-space-sm); }
.ig-mt-md  { margin-top: var(--ig-space-md); }
.ig-mt-lg  { margin-top: var(--ig-space-lg); }
.ig-mt-xl  { margin-top: var(--ig-space-xl); }
.ig-mt-2xl { margin-top: var(--ig-space-2xl); }

.ig-mb-sm  { margin-bottom: var(--ig-space-sm); }
.ig-mb-md  { margin-bottom: var(--ig-space-md); }
.ig-mb-lg  { margin-bottom: var(--ig-space-lg); }
.ig-mb-xl  { margin-bottom: var(--ig-space-xl); }
.ig-mb-2xl { margin-bottom: var(--ig-space-2xl); }

.ig-flex { display: flex; }
.ig-flex-col { flex-direction: column; }
.ig-items-center { align-items: center; }
.ig-justify-between { justify-content: space-between; }
.ig-gap-sm { gap: var(--ig-space-sm); }
.ig-gap-md { gap: var(--ig-space-md); }
.ig-gap-lg { gap: var(--ig-space-lg); }

.ig-hidden { display: none; }

/* ============================================================================
   13. ANİMASYONLAR
   ============================================================================ */
@keyframes ig-fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.ig-fade-in {
  animation: ig-fade-in 0.6s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.ig-fade-in-delay-1 { animation-delay: 0.1s; }
.ig-fade-in-delay-2 { animation-delay: 0.2s; }
.ig-fade-in-delay-3 { animation-delay: 0.3s; }

/* ============================================================================
   14. RTL ÖZEL DURUMLAR
   ============================================================================ */
[dir="rtl"] .ig-nav { flex-direction: row-reverse; }
[dir="rtl"] body { text-align: right; }

/* ============================================================================
   15. MOBILE OPTIMIZE
   ============================================================================ */
@media (max-width: 540px) {
  .ig-container { padding: 0 var(--ig-space-md); }
  .ig-section { padding: var(--ig-space-xl) 0; }
  .ig-card { padding: var(--ig-space-md); }
  .ig-btn-large { padding: var(--ig-space-md) var(--ig-space-xl); }
}