/* ============================================================================
   STF BURSA PREMIUM TURIZM - ANA STİL DOSYASI
   ============================================================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&family=Source+Sans+Pro:wght@300;400;600;700&display=swap');

/* ============================================================================
   TEMEL AYARLAR
   ============================================================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Source Sans Pro', sans-serif;
  color: #1F2937;
  background-color: #FFFFFF;
  line-height: 1.6;
}

/* ============================================================================
   TİPOGRAFİ
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
  color: #1E40AF;
}

h2 {
  font-size: 2.5rem;
  color: #1E40AF;
}

h3 {
  font-size: 1.75rem;
  color: #1E3A8A;
}

h4 {
  font-size: 1.5rem;
  color: #1E3A8A;
}

p {
  font-size: 1rem;
  color: #374151;
  margin-bottom: 1rem;
}

a {
  color: #1E40AF;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #1E3A8A;
}

/* ============================================================================
   CONTAINER
   ============================================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================================================
   NAVBAR
   ============================================================================ */

.navbar {
  background-color: #FFFFFF;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar-top {
  background-color: #1E40AF;
  color: white;
  padding: 0.75rem 0;
  font-size: 0.875rem;
}

.navbar-top-content {
  display: flex;
  justify-content: flex-end;
  gap: 2rem;
}

.navbar-top-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
}

.navbar-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.navbar-logo {
  height: 50px;
  display: flex;
  align-items: center;
}

.navbar-logo img {
  height: 100%;
  width: auto;
}

.navbar-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.navbar-menu a {
  color: #1F2937;
  font-weight: 600;
  transition: color 0.3s ease;
}

.navbar-menu a:hover {
  color: #1E40AF;
}

.navbar-cta {
  background-color: #1E40AF;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.navbar-cta:hover {
  background-color: #1E3A8A;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
  position: relative;
  height: 600px;
  overflow: hidden;
  background-color: #000;
}

.hero-slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.4) 0%, rgba(30, 58, 138, 0.4) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 3rem;
  z-index: 10;
}

.hero-content h1 {
  color: white;
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.btn-primary {
  background-color: #10B981;
  color: white;
}

.btn-primary:hover {
  background-color: #059669;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: white;
  border: 2px solid white;
}

.btn-secondary:hover {
  background-color: white;
  color: #1E40AF;
}

.hero-badges {
  position: absolute;
  bottom: 2rem;
  left: 3rem;
  display: flex;
  gap: 2rem;
  z-index: 20;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.875rem;
}

.hero-controls {
  position: absolute;
  bottom: 2rem;
  right: 3rem;
  display: flex;
  gap: 1rem;
  z-index: 20;
}

.hero-control-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  border: 2px solid white;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-control-btn:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* ============================================================================
   SECTION GENEL
   ============================================================================ */

section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title h2 {
  margin-bottom: 1rem;
}

.section-title p {
  color: #6B7280;
  font-size: 1.1rem;
}

/* ============================================================================
   HİZMETLER BÖLÜMÜ
   ============================================================================ */

#hizmetler {
  background-color: #F9FAFB;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.service-card {
  background-color: white;
  padding: 2rem;
  border-radius: 0.75rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.service-icon {
  margin-bottom: 1.25rem;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #1E40AF, #3B82F6);
  border-radius: 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
  position: relative;
  overflow: hidden;
  color: #FFFFFF;
}

.service-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.service-card:hover .service-icon::before {
  opacity: 1;
}

.service-icon svg {
  stroke: #FFFFFF;
  width: 36px;
  height: 36px;
  transition: all 0.4s ease;
}

.service-card:hover .service-icon {
  background: linear-gradient(145deg, #0F2A6B, #1E40AF);
  transform: scale(1.08) rotate(-3deg);
  box-shadow: 0 10px 30px rgba(30, 64, 175, 0.45);
}

.service-card:hover .service-icon svg {
  stroke: #FFFFFF;
  transform: scale(1.1);
}

.service-card h3 {
  margin-bottom: 0.75rem;
}

.service-card p {
  color: #6B7280;
  margin-bottom: 1rem;
}

.service-link {
  color: #1E40AF;
  font-weight: 600;
  transition: color 0.3s ease;
}

.service-link:hover {
  color: #1E3A8A;
}

/* ============================================================================
   HAKKIMIZDA BÖLÜMÜ
   ============================================================================ */

#hakkimizda {
  background-color: #FFFFFF;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-text h2 {
  margin-bottom: 1.5rem;
}

.about-text p {
  margin-bottom: 1rem;
  color: #4B5563;
}

.about-features {
  list-style: none;
  margin-top: 1.5rem;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  color: #374151;
}

.about-feature::before {
  content: "✓";
  color: #10B981;
  font-weight: bold;
  font-size: 1.25rem;
}

.about-image {
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.stat-card {
  text-align: center;
  padding: 1.5rem;
  background-color: #F3F4F6;
  border-radius: 0.5rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: #1E40AF;
  margin-bottom: 0.5rem;
}

.stat-label {
  color: #6B7280;
  font-size: 0.875rem;
}

/* ============================================================================
   DESTINASYONLAR BÖLÜMÜ
   ============================================================================ */

#destinasyonlar {
  background-color: #F9FAFB;
}

.destinations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.destination-card {
  position: relative;
  height: 300px;
  border-radius: 0.75rem;
  overflow: hidden;
  cursor: pointer;
  group: "dest";
}

.destination-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.destination-card:hover .destination-image {
  transform: scale(1.1);
}

.destination-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: white;
}

.destination-tag {
  display: inline-block;
  background-color: #1E40AF;
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 0.25rem;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  width: fit-content;
}

.destination-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.destination-country {
  font-size: 0.875rem;
  opacity: 0.9;
}

/* ============================================================================
   NEDEN BİZ BÖLÜMÜ
   ============================================================================ */

#neden-biz {
  background: linear-gradient(135deg, #1E40AF 0%, #1E3A8A 100%);
  color: white;
}

#neden-biz .section-title h2,
#neden-biz .section-title p {
  color: white;
}

.why-us-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.why-us-image {
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.why-us-image img {
  width: 100%;
  height: auto;
  display: block;
}

.why-us-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.why-us-feature {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 1.5rem;
  border-radius: 0.5rem;
  border-left: 4px solid #10B981;
}

.why-us-feature h3 {
  color: #FFFFFF;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.why-us-feature h3 svg {
  flex-shrink: 0;
}

.why-us-feature p {
  color: #FFFFFF;
  margin: 0;
}

/* ============================================================================
   İLETİŞİM BÖLÜMÜ
   ============================================================================ */

#iletisim {
  background-color: #F9FAFB;
  text-align: center;
}

.contact-content h2 {
  margin-bottom: 1rem;
}

.contact-content p {
  color: #6B7280;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.contact-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================================
   FOOTER - MODERN KOYU TASARIM
   ============================================================================ */

.footer-modern {
  background: #0B1120;
  color: #E2E8F0;
  padding: 0;
}

.footer-top-section {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding: 4rem 0 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
  color: #94A3B8;
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 1rem;
}

.footer-logo-img {
  height: 50px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}

.footer-social-link:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.footer-social-link img {
  width: 22px;
  height: 22px;
  border-radius: 4px;
}

.footer-nav h4,
.footer-contact-info h4 {
  color: #FFFFFF;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
}

.footer-nav h4::after,
.footer-contact-info h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: #3B82F6;
  border-radius: 2px;
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav ul li {
  margin-bottom: 0.6rem;
}

.footer-nav ul li a {
  color: #94A3B8;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-nav ul li a:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: #94A3B8;
  font-size: 0.9rem;
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: #3B82F6;
}

.footer-contact-item a {
  color: #94A3B8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-contact-item a:hover {
  color: #FFFFFF;
}

.footer-tursab-modern {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-tursab-img {
  height: 40px;
  width: auto;
}

.footer-tursab-modern strong {
  color: #E2E8F0;
  font-size: 0.85rem;
  display: block;
}

.footer-tursab-modern span {
  color: #94A3B8;
  font-size: 0.8rem;
}

.footer-copyright {
  text-align: center;
  padding: 1.5rem 0;
  color: #64748B;
  font-size: 0.8rem;
}

.footer-copyright p {
  margin: 0;
}

/* ============================================================================
   FLOATING WHATSAPP BUTTON
   ============================================================================ */

.whatsapp-button {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background-color: transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: all 0.3s ease;
  z-index: 999;
  text-decoration: none;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(16, 185, 129, 0.6);
}

/* ============================================================================
   RESPONSIVE TASARIM
   ============================================================================ */

@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .navbar-menu {
    gap: 1rem;
    font-size: 0.875rem;
  }

  .hero {
    height: 400px;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .about-content,
  .why-us-content {
    grid-template-columns: 1fr;
  }

  .about-stats {
    grid-template-columns: 1fr;
  }

  .destinations-grid {
    grid-template-columns: 1fr;
  }

  .footer-top-section {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .whatsapp-button {
    width: 50px;
    height: 50px;
    font-size: 1.25rem;
    bottom: 1rem;
    right: 1rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 1rem;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .navbar-menu {
    display: none;
  }

  .hero {
    height: 300px;
  }

  .hero-overlay {
    padding: 1.5rem;
  }

  .hero-content h1 {
    font-size: 1.5rem;
  }

  .hero-content p {
    font-size: 0.875rem;
  }

  .hero-badges,
  .hero-controls {
    display: none;
  }

  section {
    padding: 2rem 0;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .why-us-features {
    grid-template-columns: 1fr;
  }

  .footer-top-section {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   SOSYAL MEDYA LOGOLARı
   ============================================================================ */

.social-link img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-link img:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}