/* ==========================================================================
   KodlaEmlak - Ana Tasarım Sistemi (Design System & Theme Engine)
   ========================================================================== */

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

:root {
  /* Renk Paleti - Light Mode */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-input: #ffffff;
  
  --border-color: #e2e8f0;
  --border-subtle: #cbd5e1;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-glow: rgba(37, 99, 235, 0.25);

  --accent-emerald: #10b981;
  --accent-emerald-hover: #059669;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-rose-light: #ffe4e6;

  --whatsapp-color: #25d366;
  --whatsapp-hover: #20ba59;
  --call-color: #0ea5e9;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 12px -2px rgb(0 0 0 / 0.08), 0 2px 6px -2px rgb(0 0 0 / 0.04);
  --shadow-lg: 0 12px 24px -4px rgb(0 0 0 / 0.1), 0 8px 16px -4px rgb(0 0 0 / 0.06);
  --shadow-xl: 0 20px 32px -6px rgb(0 0 0 / 0.14);

  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(255, 255, 255, 0.5);
  --glass-blur: blur(14px);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Koyu Mod (Dark Theme) */
[data-theme="dark"] {
  --bg-body: #0b0f19;
  --bg-surface: #111827;
  --bg-surface-elevated: #1f293d;
  --bg-subtle: #182234;
  --bg-input: #151d2d;

  --border-color: #1f293d;
  --border-subtle: #334155;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;

  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.15);
  --primary-glow: rgba(59, 130, 246, 0.35);

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 14px -2px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 12px 28px -4px rgb(0 0 0 / 0.5);
  --shadow-xl: 0 24px 40px -8px rgb(0 0 0 / 0.6);

  --glass-bg: rgba(17, 24, 39, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --accent-rose-light: rgba(244, 63, 94, 0.15);
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  padding-bottom: 70px; /* Mobil alt bar için alan bırak */
}

@media (min-width: 992px) {
  body {
    padding-bottom: 0;
  }
  .d-block-mobile {
    display: none !important;
  }
}

@media (max-width: 991px) {
  .d-none-mobile {
    display: none !important;
  }
}

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

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

/* Konteyner & Grid */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-fluid {
  width: 100%;
  padding: 0 24px;
}

/* Tipografi */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
}

.section-header {
  margin-bottom: 36px;
}

.section-header.text-center {
  text-align: center;
}

.section-title {
  font-size: 2.1rem;
  margin-bottom: 10px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto;
}

/* Header & Navbar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #10b981);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px var(--primary-glow);
}

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

.nav-menu {
  display: none;
  list-style: none;
  align-items: center;
  gap: 28px;
}

@media (min-width: 992px) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 0;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-main);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn-whatsapp {
  background: var(--whatsapp-color);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-call {
  background: var(--call-color);
  color: #ffffff;
}

.btn-call:hover {
  background: #0284c7;
  color: #ffffff;
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  cursor: pointer;
  position: relative;
}

.btn-icon:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-subtle);
}

/* Tema Değiştirici Buton */
.theme-toggle {
  overflow: hidden;
}

.theme-toggle .fa-sun {
  display: none;
  color: #f59e0b;
}

.theme-toggle .fa-moon {
  display: block;
  color: #64748b;
}

[data-theme="dark"] .theme-toggle .fa-sun {
  display: block;
}

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

/* Badge (Rozet) */
.badge-count {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  background: var(--accent-rose);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--bg-surface);
}

/* Hero Bölümü (Vitrin) */
.hero-section {
  position: relative;
  padding: 80px 0 100px;
  background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.08), transparent 45%),
              radial-gradient(circle at 20% 80%, rgba(16, 185, 129, 0.06), transparent 45%);
}

.hero-content {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 40px;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
}

/* Arama Kutusu (Search Box) */
.search-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 24px;
  margin-top: 20px;
}

.search-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 14px;
}

.search-tab-btn {
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.search-tab-btn.active {
  background: var(--primary);
  color: #ffffff;
}

.search-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 768px) {
  .search-form-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .search-form-grid {
    grid-template-columns: 2fr 1.5fr 1.5fr 1.5fr auto;
    align-items: end;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.form-control, .form-select {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* İlan Kartları (Property Cards) */
.properties-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 30px;
}

@media (min-width: 768px) {
  .properties-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .properties-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.property-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
}

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

.property-thumb-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-subtle);
}

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

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

.property-tag-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #ffffff;
  z-index: 2;
  box-shadow: 0 2px 6px rgba(0,0,0,0.25);
}

.tag-satilik {
  background: var(--primary);
}

.tag-kiralik {
  background: var(--accent-emerald);
}

.tag-gunluk {
  background: var(--accent-amber);
}

.property-featured-badge {
  position: absolute;
  top: 14px;
  right: 60px;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  color: #fbbf24;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Favori Kalp Butonu */
.btn-fav {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  color: #64748b;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  transition: var(--transition);
}

[data-theme="dark"] .btn-fav {
  background: rgba(17, 24, 39, 0.85);
  color: #94a3b8;
}

.btn-fav:hover {
  transform: scale(1.15);
  color: var(--accent-rose);
}

.btn-fav.active {
  color: var(--accent-rose);
  background: #ffffff;
}

.btn-fav.active i {
  font-weight: 900;
}

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

.property-price {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}

.property-title {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.property-title:hover {
  color: var(--primary);
}

.property-location {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.property-features-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  margin-top: auto;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.feat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.feat-item i {
  color: var(--primary);
}

/* Kategori Kartları */
.categories-slider {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 24px;
}

@media (min-width: 640px) {
  .categories-slider {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .categories-slider {
    grid-template-columns: repeat(6, 1fr);
  }
}

.category-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px 14px;
  text-align: center;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

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

.cat-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.cat-name {
  font-size: 0.95rem;
  font-weight: 700;
}

.cat-count {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* İlan Detay Sayfası Stilleri */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 24px;
}

@media (min-width: 992px) {
  .detail-grid {
    grid-template-columns: 2fr 1fr;
  }
}

.gallery-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
}

.gallery-main {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumbs {
  display: flex;
  gap: 10px;
  padding: 12px;
  background: var(--bg-surface);
  overflow-x: auto;
}

.gallery-thumb {
  width: 90px;
  height: 60px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.6;
  border: 2px solid transparent;
  flex-shrink: 0;
  transition: var(--transition);
}

.gallery-thumb.active, .gallery-thumb:hover {
  opacity: 1;
  border-color: var(--primary);
}

.gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
}

@media (min-width: 640px) {
  .specs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.spec-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.spec-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.1rem;
}

.spec-info .spec-title {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.spec-info .spec-val {
  font-size: 0.95rem;
  font-weight: 700;
}

/* Danışman Kartı & İletişim Kutusu */
.agent-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px 24px;
  position: sticky;
  top: 96px;
}

.agent-profile {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.agent-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-light);
}

.agent-name {
  font-size: 1.15rem;
  font-weight: 700;
}

.agent-title {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.contact-action-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-action-stack .btn {
  width: 100%;
  height: 48px;
  font-size: 0.95rem;
}

/* Modal Stilleri */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  z-index: 1100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-backdrop.show {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  animation: modalIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Toast Bildirimleri */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  min-width: 280px;
  max-width: 380px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-main);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
  pointer-events: auto;
  animation: toastSlideIn 0.3s ease;
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Masaüstü Footer */
.site-footer {
  margin-top: auto;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 18px;
}

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

.footer-links a {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
  color: var(--text-muted);
}