/* ==========================================================================
   GAZİ TUNCERLER PETROL A.Ş. - MODERN KURUMSAL ONEPAGE STİL DOSYASI
   ========================================================================== */

/* 1. CSS Değişkenleri & Tasarım Sistemi */
:root {
  --primary: #0d5c3a;         /* Gazi Tuncerler & BP kurumsal yeşili */
  --primary-dark: #073b24;    /* Koyu zümrüt tonu */
  --primary-light: #15803d;   /* Canlı yeşil */
  --accent: #facc15;          /* BP sarısı vurgu */
  --accent-hover: #eab308;
  --whatsapp: #25d366;        /* WhatsApp yeşili */
  --whatsapp-dark: #128c7e;
  
  --dark: #0f172a;            /* Derin slate siyah */
  --dark-soft: #1e293b;       /* Kart & arka plan koyu gri */
  --muted: #64748b;           /* Yardımcı metin rengi */
  --light: #f8fafc;           /* Arka plan kırık beyaz */
  --light-surface: #ffffff;   /* Kart beyazı */
  --border-light: #e2e8f0;    /* İnce kenarlıklar */
  --border-card: rgba(13, 92, 58, 0.12);
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 32px rgba(13, 92, 58, 0.12);
  --shadow-xl: 0 24px 48px rgba(0, 0, 0, 0.16);
  --shadow-glow: 0 0 25px rgba(22, 163, 74, 0.4);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  
  --header-height: 84px;
}

/* 2. Temel Sıfırlama ve Tipografi */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: clip;
  max-width: 100%;
  width: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  color: var(--dark-soft);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: clip;
  max-width: 100%;
  width: 100%;
  position: relative;
  -webkit-overflow-scrolling: touch;
}

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

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

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

ul {
  list-style: none;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* 3. Yardımcı Sınıflar & Düzen */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-bg-light {
  background-color: #f1f5f9;
}

.section-bg-white {
  background-color: var(--light-surface);
}

.section-bg-dark {
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
  color: #ffffff;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 60px;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(13, 92, 58, 0.1);
  color: var(--primary);
  border: 1px solid rgba(13, 92, 58, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.badge-tag.badge-light {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: var(--dark);
}

.section-bg-dark .section-title {
  color: #ffffff;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--muted);
  font-weight: 400;
}

.section-bg-dark .section-subtitle {
  color: #cbd5e1;
}

/* Butonlar */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(13, 92, 58, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 25px rgba(13, 92, 58, 0.35);
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.btn-secondary {
  background: var(--light-surface);
  color: var(--dark);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, #f59e0b 100%);
  color: var(--dark);
  box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(245, 158, 11, 0.45);
}

.btn-outline-white {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
}

.btn-outline-white:hover {
  background: #ffffff;
  color: var(--dark);
  border-color: #ffffff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 34px;
  font-size: 1.05rem;
}

/* 4. Üst Bilgi Çubuğu (Topbar) */
.topbar {
  background-color: var(--dark);
  color: #e2e8f0;
  font-size: 0.85rem;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.topbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cbd5e1;
  transition: var(--transition-fast);
}

.topbar-item:hover {
  color: var(--accent);
}

.topbar-item svg {
  color: var(--accent);
}

/* 5. Navigasyon & Header */
.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--dark);
  line-height: 1.1;
}

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

.brand-tagline {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

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

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dark-soft);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: width var(--transition-normal);
}

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

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  background: transparent;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.nav-toggle span {
  width: 100%;
  height: 3px;
  background-color: var(--dark);
  border-radius: 3px;
  transition: all var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(9.5px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-9.5px) rotate(-45deg);
}

/* 6. Hero Bölümü */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  background-color: var(--dark);
  background-image: linear-gradient(135deg, rgba(7, 43, 27, 0.88) 0%, rgba(15, 23, 42, 0.94) 100%),
                    url('../images/bp-istasyon-1.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: #ffffff;
  padding: 80px 0 120px;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 680px;
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 800;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #4ade80 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.2rem;
  color: #e2e8f0;
  line-height: 1.7;
  margin-bottom: 36px;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-partners {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-partners-label {
  font-size: 0.85rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.hero-partner-logos {
  display: flex;
  align-items: center;
  gap: 24px;
}

.hero-partner-logos img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.85;
  transition: var(--transition-fast);
}

.hero-partner-logos img:hover {
  opacity: 1;
  filter: none;
}

/* Hero Sağ Kart & Görsel Vitrini */
.hero-visual {
  position: relative;
}

.hero-card-main {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-card-main img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-card-main:hover img {
  transform: scale(1.04);
}

.hero-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 43, 27, 0.9) 0%, rgba(0, 0, 0, 0.2) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
}

.hero-card-overlay h3 {
  color: #ffffff;
  font-size: 1.4rem;
  margin-bottom: 6px;
}

.hero-card-overlay p {
  color: #cbd5e1;
  font-size: 0.95rem;
}

/* Floating Badge */
.hero-floating-stat {
  position: absolute;
  bottom: -24px;
  left: -24px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-md);
  padding: 18px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.2);
  color: var(--dark);
  z-index: 3;
}

.stat-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-text strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--primary-dark);
}

.stat-text span {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
}

/* 7. Hızlı İstatistikler Şeridi */
.stats-strip {
  position: relative;
  margin-top: -50px;
  z-index: 10;
}

.stats-card-container {
  background: var(--light-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 36px 20px;
  gap: 20px;
}

.stat-box {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 20px;
  border-right: 1px solid var(--border-light);
}

.stat-box:last-child {
  border-right: none;
}

.stat-box-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(13, 92, 58, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.stat-box:hover .stat-box-icon {
  transform: scale(1.1);
  background: var(--primary);
  color: #ffffff;
}

.stat-box-number {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.1;
  font-family: var(--font-heading);
}

.stat-box-number span {
  color: var(--primary);
}

.stat-box-label {
  font-size: 0.88rem;
  color: var(--muted);
  font-weight: 600;
  line-height: 1.3;
}

/* 8. Kurumsal / Hakkımızda Bölümü */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-images-stack {
  position: relative;
}

.about-main-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--light-surface);
}

.about-main-img img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.about-secondary-img {
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 58%;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
  border: 4px solid var(--light-surface);
}

.about-secondary-img img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  top: 30px;
  left: -20px;
  background: var(--primary);
  color: #ffffff;
  padding: 16px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-align: center;
}

.about-badge-year {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: var(--font-heading);
  line-height: 1;
}

.about-badge-text {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.9;
}

.about-content h3 {
  font-size: 1.9rem;
  margin-bottom: 20px;
  color: var(--dark);
}

.about-lead {
  font-size: 1.12rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 18px;
  line-height: 1.6;
}

.about-text {
  color: #475569;
  margin-bottom: 28px;
  font-size: 1rem;
}

/* Tarihçe Zaman Çizelgesi (Timeline) */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 14px 18px;
  background: var(--light-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.timeline-item:hover {
  transform: translateX(6px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.timeline-year {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  font-family: var(--font-heading);
  background: rgba(13, 92, 58, 0.08);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--dark-soft);
  font-weight: 500;
}

/* 9. Hizmetler & Faaliyet Alanları */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.service-card {
  background: var(--light-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
  position: relative;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(13, 92, 58, 0.3);
}

.service-img-wrapper {
  position: relative;
  height: 280px;
  overflow: hidden;
}

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

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

.service-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(13, 92, 58, 0.9);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  backdrop-filter: blur(8px);
}

.service-partner-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  height: 38px;
  display: flex;
  align-items: center;
}

.service-partner-badge img {
  height: 28px;
  width: auto;
  object-fit: contain;
}

.service-body {
  padding: 32px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-icon-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.service-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(13, 92, 58, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-title {
  font-size: 1.45rem;
  color: var(--dark);
}

.service-desc {
  color: #64748b;
  font-size: 0.98rem;
  margin-bottom: 22px;
  line-height: 1.6;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 26px;
  flex-grow: 1;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #334155;
  font-weight: 500;
}

.service-feature-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.service-footer {
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

.service-link:hover {
  color: var(--primary-dark);
  gap: 12px;
}

/* 10. Öne Çıkan Değerler / Neden Gazi Tuncerler? */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.feature-box {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
}

.feature-box:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

.feature-box-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent) 0%, #f59e0b 100%);
  color: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.feature-box h4 {
  color: #ffffff;
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.feature-box p {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* 11. Foto Galeri & Lightbox */
.gallery-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 22px;
  background: var(--light-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.filter-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(13, 92, 58, 0.25);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 260px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  background-color: #e2e8f0;
}

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 43, 27, 0.9) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  transition: opacity var(--transition-normal);
}

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-item:hover img {
  transform: scale(1.08);
}

.gallery-zoom-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.6);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  transition: transform var(--transition-normal);
  opacity: 0;
}

.gallery-item:hover .gallery-zoom-icon {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.gallery-category {
  font-size: 0.75rem;
  color: var(--accent);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.gallery-caption {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
}

/* 12. Özel Lightbox (Modal) */
.gt-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.gt-lightbox.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img-wrapper {
  position: relative;
  max-width: 100%;
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: var(--radius-sm);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  user-select: none;
  animation: lightboxZoomIn 0.3s ease-out;
}

@keyframes lightboxZoomIn {
  from {
    transform: scale(0.92);
    opacity: 0.4;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.lightbox-info {
  margin-top: 18px;
  text-align: center;
  color: #ffffff;
  max-width: 600px;
}

.lightbox-caption {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.lightbox-counter {
  font-size: 0.85rem;
  color: #94a3b8;
  font-weight: 600;
}

/* Lightbox Kontrolleri */
.lightbox-btn {
  position: absolute;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #ffffff;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  backdrop-filter: blur(8px);
  z-index: 10;
}

.lightbox-btn:hover {
  background: #ffffff;
  color: var(--dark);
  transform: scale(1.1);
}

.lightbox-close {
  top: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
}

.lightbox-prev {
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-prev:hover {
  transform: translateY(-50%) scale(1.1);
}

.lightbox-next {
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next:hover {
  transform: translateY(-50%) scale(1.1);
}

/* 13. Lokasyon & Harita */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.location-card {
  background: var(--light-surface);
  border-radius: var(--radius-md);
  padding: 30px;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--transition-normal);
}

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

.location-icon-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.location-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(13, 92, 58, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.location-card h4 {
  font-size: 1.25rem;
  color: var(--dark);
}

.location-card p {
  color: #64748b;
  font-size: 0.95rem;
  line-height: 1.5;
}

.location-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
}

.map-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  height: 420px;
  position: relative;
}

.map-wrapper iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* 14. İletişim Bölümü */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--light-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.contact-info-card h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--dark);
}

.contact-info-card p {
  color: #64748b;
  margin-bottom: 30px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.channel-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.channel-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(13, 92, 58, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.channel-details span {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 700;
  margin-bottom: 2px;
}

.channel-details a,
.channel-details strong {
  font-size: 1.05rem;
  color: var(--dark);
  font-weight: 600;
}

.channel-details a:hover {
  color: var(--primary);
}

/* İletişim Formu */
.contact-form-card {
  background: var(--light-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--dark);
}

.form-control {
  width: 100%;
  padding: 14px 18px;
  background: #f8fafc;
  border: 1.5px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--dark);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(13, 92, 58, 0.1);
}

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

.form-alert {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  display: none;
}

.form-alert.success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  display: block;
}

.form-alert.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  display: block;
}

/* 15. Alt Bilgi (Footer) */
.footer {
  background: var(--dark);
  color: #94a3b8;
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-brand img {
  height: 48px;
  width: auto;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  color: #cbd5e1;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 3px;
  background: var(--primary-light);
  border-radius: 2px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  color: #cbd5e1;
  font-size: 0.92rem;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-link:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  color: #cbd5e1;
  font-size: 0.92rem;
}

.footer-contact-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.88rem;
}

/* 16. Sabit Eylem Butonları (Floating Actions: Telefon & WhatsApp) */
.floating-actions {
  position: fixed;
  right: 26px;
  bottom: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 9990;
}

.floating-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  position: relative;
  transition: all var(--transition-fast);
  cursor: pointer;
}

.floating-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

.floating-whatsapp {
  background-color: var(--whatsapp);
}

.floating-phone {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

/* Nabız (Pulse) Animasyonu */
.floating-btn::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid currentColor;
  opacity: 0.8;
  animation: floatingPulse 2s infinite ease-out;
  pointer-events: none;
}

@keyframes floatingPulse {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }
  70% {
    transform: scale(1.3);
    opacity: 0;
  }
  100% {
    transform: scale(1.3);
    opacity: 0;
  }
}

/* Tooltip */
.floating-tooltip {
  position: absolute;
  right: 70px;
  background: var(--dark);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-md);
}

.floating-btn:hover .floating-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Yukarı Çık Butonu */
.scroll-top-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--light-surface);
  color: var(--dark);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  opacity: 0;
  visibility: hidden;
  align-self: flex-end;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-4px);
}

/* 18. Responsive Medya Sorguları */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    max-width: 550px;
    margin: 0 auto;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .about-images-stack {
    max-width: 500px;
    margin: 0 auto;
  }

  .stats-card-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .stat-box:nth-child(2) {
    border-right: none;
  }

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

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

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

@media (max-width: 768px) {
  :root {
    --header-height: 72px;
  }

  body {
    padding-top: var(--header-height);
  }

  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 14px rgba(0, 0, 0, 0.08);
  }

  .topbar {
    display: none; /* Mobilde temiz görünüm için üst şeridi gizle */
  }

  .container {
    padding: 0 16px;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: #ffffff;
    flex-direction: column;
    align-items: flex-start;
    padding: 30px 24px;
    gap: 20px;
    box-shadow: var(--shadow-xl);
    transform: translateX(-100%);
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--transition-normal), visibility var(--transition-normal);
    overflow-y: auto;
  }

  .nav-menu.active {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
  }

  .nav-link {
    font-size: 1.2rem;
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
  }

  .nav-toggle {
    display: flex;
  }

  .header-actions .btn {
    display: none; /* Mobilde üst bar butonunu gizle */
  }

  .section {
    padding: 70px 0;
    overflow-x: hidden;
  }

  .hero {
    background-attachment: scroll !important;
    padding: 50px 0 80px;
  }

  .hero-partners {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .hero-partner-logos {
    flex-wrap: wrap;
    gap: 16px;
  }

  .about-images-stack {
    max-width: 100%;
    margin: 0 auto 30px;
  }

  .about-secondary-img {
    right: 0;
    bottom: -15px;
    width: 52%;
  }

  .about-badge {
    left: 8px;
    top: 15px;
    padding: 10px 16px;
  }

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

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

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

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

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .gallery-item {
    height: 200px;
  }

  .form-group-row {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .stats-card-container {
    grid-template-columns: 1fr;
    padding: 24px;
    gap: 20px;
  }

  .stat-box {
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 16px;
  }

  .stat-box:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  /* Mobil Eylem Butonları Konumlandırması (Sağ Altta Sabit Telefon & WhatsApp) */
  .floating-actions {
    right: 20px;
    bottom: 20px;
    gap: 12px;
  }

  .floating-btn {
    width: 54px;
    height: 54px;
  }

  .floating-tooltip {
    display: none; /* Mobilde dokunmatik olduğu için tooltip yerine direkt buton */
  }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
    height: auto;
  }

  .gallery-item {
    height: 240px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
  }

  .hero-ctas .btn {
    width: 100%;
  }
}