:root {
  /* Marka Renkleri — Kurumsal Blue (broşür/sunum/Word ile uyumlu) */
  --color-brand: #3B82F6;          /* açık mavi - vurgu */
  --color-brand-dark: #1E3A8A;     /* koyu lacivert - başlık/buton */

  /* Koyu Yüzeyler */
  --color-dark: #1A2540;
  --color-dark-soft: #2D3B5C;

  /* Açık Yüzeyler */
  --color-light: #F8FBFF;
  --color-light-soft: #EAF4FF;
  --color-white: #FFFFFF;

  /* Metin Renkleri */
  --color-text: #1A2540;
  --color-text-muted: #4A5878;
  --color-text-inverse: #FFFFFF;

  /* Vurgu / Durum */
  --color-success: #16A34A;
  --color-accent: #00D9FF;

  /* Tipografi - Font Aileleri */
  --font-primary: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Tipografi - Ağırlıklar */
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;

  /* Tipografi - Boyutlar (akıcı ölçek) */
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: clamp(2.25rem, 4vw + 1rem, 3.5rem);
  --fs-hero: clamp(2.75rem, 6vw + 1rem, 5rem);

  /* Tipografi - Satır Yükseklikleri */
  --lh-tight: 1.15;
  --lh-snug: 1.35;
  --lh-normal: 1.6;
}


/* --------------------------------------------
   2. Reset & Tarayıcı Normalleştirme
   -------------------------------------------- */

/* Tüm elementler ve ::before/::after sözde elementleri için */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* HTML kök elementi */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

/* Body — Sayfanın temel zemini */
body {
  font-family: var(--font-primary);
  font-size: var(--fs-base);
  font-weight: var(--weight-regular);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-light);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Görseller — Taşma yapmasın, blok element gibi davransın */
img,
video,
picture {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Listeler — Madde işaretlerini temizle (ihtiyaç olunca elle ekleriz) */
ul,
ol {
  list-style: none;
}

/* Linkler — Varsayılan mor/mavi yerine tasarımımıza uysun */
a {
  color: inherit;
  text-decoration: none;
}

/* Form elementleri fontu otomatik miras alsın */
button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

/* Butonlar — Varsayılan tarayıcı stilini sıfırla */
button {
  background: none;
  border: none;
  cursor: pointer;
}

/* Başlıklar — Sıkı satır yüksekliği, varsayılan boldness'ı koru */
h1, h2, h3, h4, h5, h6 {
  line-height: var(--lh-tight);
  font-weight: var(--weight-bold);
}

/* Klavye odağı (focus) — Erişilebilirlik için görünür olmalı */
:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}


/* --------------------------------------------
   3. Yardımcı Sınıflar (Utilities)
   -------------------------------------------- */

/* Container — İçeriği maksimum genişlikte tutar ve ortalar */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* --------------------------------------------
   4. Site Header
   -------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-dark);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 72px;
}

/* Logo / Marka */
.brand {
  display: inline-flex;
  align-items: center;
  font-weight: var(--weight-extrabold);
  font-size: var(--fs-lg);
  letter-spacing: -0.02em;
  color: var(--color-text-inverse);
  transition: opacity 0.2s ease;
}

.brand:hover {
  opacity: 0.85;
}

/* Ana Navigasyon */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  position: relative;
  font-size: var(--fs-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-inverse);
  opacity: 0.75;
  padding: 0.5rem 0;
  transition: opacity 0.2s ease, color 0.2s ease;
}

.nav-link:hover {
  opacity: 1;
}

.nav-link.is-active {
  opacity: 1;
  color: var(--color-brand);
}

/* CTA Butonu (genel buton sınıfları) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-size: var(--fs-sm);
  font-weight: var(--weight-semibold);
  white-space: nowrap;
  transition: background-color 0.2s ease, transform 0.15s ease;
}

.btn-primary {
  background-color: var(--color-brand);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background-color: var(--color-brand-dark);
}

.btn-primary:active {
  transform: translateY(1px);
}

/* Hamburger butonu masaüstünde gizli */
.nav-toggle {
  display: none;
}

/* --------------------------------------------
   5. Hero Section
   -------------------------------------------- */

.hero {
  position: relative;
  min-height: 85vh;
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-brand-dark) 100%);
  color: var(--color-text-inverse);
  overflow: hidden;
  padding-block: 5rem;
  display: flex;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

/* Sol içerik */
.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-eyebrow {
  display: inline-block;
  width: fit-content;
  padding: 0.4rem 0.9rem;
  font-size: var(--fs-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-brand);
  background-color: rgba(59, 158, 255, 0.1);
  border: 1px solid rgba(59, 158, 255, 0.3);
  border-radius: 999px;
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: var(--weight-extrabold);
  letter-spacing: -0.02em;
  line-height: var(--lh-tight);
  margin: 0;
}

.hero-title-accent {
  display: block;
  color: var(--color-brand);
}

.hero-description {
  font-size: var(--fs-md);
  line-height: var(--lh-normal);
  color: rgba(255, 255, 255, 0.8);
  max-width: 540px;
}

/* CTA buton grubu */
.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

/* Büyük buton varyantı */
.btn-lg {
  padding: 0.95rem 1.75rem;
  font-size: var(--fs-base);
  border-radius: 10px;
}

/* Hayalet buton */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.25);
  gap: 0.5rem;
}

.btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.5);
}

/* Güven göstergeleri */
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.7);
  flex-wrap: wrap;
}

.hero-stats strong {
  display: block;
  font-size: var(--fs-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

/* Sağ görsel */
.hero-image {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.5);
}

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

/* --------------------------------------------
   6. Hizmetler Özeti (Services Summary)
   -------------------------------------------- */

.services-summary {
  padding-block: 6rem; /* Üstten ve alttan geniş boşluk */
  background-color: var(--color-white);
}

/* Bölüm Başlığı Düzeni */
.section-header {
  text-align: center;
  max-width: 600px;
  margin-inline: auto; /* Yatayda ortalar */
  margin-bottom: 4rem;
}

.section-title {
  font-size: var(--fs-3xl);
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.section-description {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
}

/* Grid Yapısı */
.services-grid {
  display: grid;
  /* Masaüstü için eşit genişlikte 3 kolon oluşturur */
  grid-template-columns: repeat(3, 1fr); 
  gap: 2rem;
}

/* Tekil Kart Tasarımı */
.service-card {
  background-color: var(--color-light);
  padding: 2.5rem 2rem;
  border-radius: 16px;
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Subtle (Hafif) Animasyon - Karta gelindiğinde */
.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px -10px rgba(10, 22, 40, 0.08);
}

/* İkon Kapsayıcısı */
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 12px;
  background-color: rgba(59, 158, 255, 0.1); /* Marka renginin %10 şeffaf hali */
  color: var(--color-brand);
  margin-bottom: 1.5rem;
}

.service-card-title {
  font-size: var(--fs-xl);
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.service-card-desc {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  line-height: var(--lh-snug);
}

/* --------------------------------------------
   7. Avantajlar (Z-Pattern Features)
   -------------------------------------------- */

/* Cartage stili geniş boşluklar */
.feature-block {
  padding-block: 8rem; /* Oldukça ferah bir üst/alt boşluk */
  background-color: var(--color-white);
}

.bg-light-soft {
  background-color: var(--color-light-soft); /* İkinci blok için çok hafif gri zemin */
}

/* Grid Yapısı */
.feature-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

/* Masaüstünde 2. blokta görseli sola, metni sağa almak için CSS Order kullanıyoruz */
.feature-reverse .feature-content {
  order: 2;
}

.feature-reverse .feature-media {
  order: 1;
}

/* İçerik Tipografisi */
.feature-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 520px;
}

.feature-eyebrow {
  font-size: var(--fs-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.feature-title {
  font-size: var(--fs-3xl);
  letter-spacing: -0.03em;
  color: var(--color-dark);
}

.feature-desc {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
}

/* Ekstra: Özellik listesi (check mark olmadan sade) */
.feature-list {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-left: 2px solid var(--color-brand);
  padding-left: 1.5rem;
}

.feature-list li {
  font-size: var(--fs-md);
  color: var(--color-text);
  font-weight: var(--weight-medium);
}

/* Görsel Kapsayıcı: Temiz ve keskin çerçeve */
.media-frame {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  aspect-ratio: 4 / 3;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Siyah çerçeveli transparan buton (Cartage havası için) */
.btn-dark {
  align-self: flex-start;
  color: var(--color-dark);
  border-color: rgba(10, 22, 40, 0.2);
  margin-top: 1rem;
}

.btn-dark:hover {
  background-color: var(--color-dark);
  color: var(--color-white);
  border-color: var(--color-dark);
}

/* --------------------------------------------
   8. İstatistik / Güven Bölümü (Trust Stats)
   -------------------------------------------- */

.trust-stats {
  /* Marka renkleriyle çarpıcı bir degrade (gradient) arka plan */
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-soft) 100%);
  color: var(--color-text-inverse);
  padding-block: 6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-number {
  font-size: var(--fs-3xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-brand);
  line-height: var(--lh-tight);
}

.stat-label {
  font-size: var(--fs-md);
  font-weight: var(--weight-medium);
  color: rgba(255, 255, 255, 0.8);
}

/* --------------------------------------------
   9. Footer (Alt Bilgi)
   -------------------------------------------- */

.site-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 5rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr; /* İlk kolon (Marka) daha geniş */
  gap: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-desc {
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  max-width: 300px;
}

.footer-heading {
  color: var(--color-white);
  font-size: var(--fs-md);
  margin-bottom: 1.5rem;
}

.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  font-size: var(--fs-sm);
}

.footer-links a,
.footer-contact a {
  transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-brand);
}

/* İletişim adres etiketi reset */
.footer-contact address {
  font-style: normal;
  line-height: var(--lh-snug);
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.footer-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-white);
  font-weight: var(--weight-bold);
  font-size: var(--fs-xs);
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.footer-socials a:hover {
  background-color: var(--color-brand);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 2rem;
  font-size: var(--fs-xs);
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ============================================
   HAKKIMIZDA SAYFASI (About Us)
   ============================================ */

/* --------------------------------------------
   10. İç Sayfa Başlığı (Page Header)
   -------------------------------------------- */
.page-header {
  background-color: var(--color-dark);
  color: var(--color-text-inverse);
  padding-block: 6rem 4rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.page-title {
  font-size: var(--fs-hero); /* Anasayfa başlığıyla aynı akıcı ölçek */
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: var(--fs-lg);
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin-inline: auto;
}

/* --------------------------------------------
   11. Hikayemiz (About Story)
   -------------------------------------------- */
.about-story {
  padding-block: 8rem;
  background-color: var(--color-white);
}

.story-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.story-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.eyebrow {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-brand);
}

.story-heading {
  font-size: var(--fs-3xl);
  color: var(--color-dark);
  line-height: var(--lh-tight);
  margin-bottom: 0.5rem;
}

.story-content p {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
}

/* --------------------------------------------
   12. Vizyon ve Misyon
   -------------------------------------------- */
.vision-mission {
  padding-block: 6rem;
}

.vm-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.vm-card {
  background-color: var(--color-white);
  padding: 3rem;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
}

.vm-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background-color: var(--color-dark);
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.vm-title {
  font-size: var(--fs-2xl);
  color: var(--color-dark);
  margin-bottom: 1rem;
}

.vm-desc {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
}

/* ============================================
   HİZMETLER SAYFASI (Services)
   ============================================ */

/* --------------------------------------------
   13. Detaylı Hizmet Blokları (Service Showcase)
   -------------------------------------------- */
.services-detailed {
  padding-block: 6rem;
  background-color: var(--color-white);
}

.service-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  padding-block: 4rem; /* Her bir hizmet bloğu arası dikey boşluk */
  border-bottom: 1px solid rgba(0, 0, 0, 0.05); /* Blokları ayıran ince çizgi */
}

/* Son bloğun altındaki çizgiyi ve boşluğu kaldırıyoruz */
.service-showcase:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* Z-Pattern Mantığı: Çift numaralı (2, 4, 6...) bloklarda metni sola, görseli sağa al */
.service-showcase:nth-child(even) .showcase-content {
  order: 1; /* Metin başa (sola) geçer */
}
.service-showcase:nth-child(even) .showcase-media {
  order: 2; /* Görsel sona (sağa) geçer */
}

/* İçerik Düzeni */
.showcase-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.showcase-title {
  font-size: var(--fs-3xl);
  color: var(--color-dark);
  line-height: var(--lh-tight);
}

.showcase-desc {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  line-height: var(--lh-normal);
}

/* --------------------------------------------
   14. Global CTA (Çağrı Alanı)
   -------------------------------------------- */
.global-cta {
  background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand) 100%);
  color: var(--color-text-inverse);
  padding-block: 6rem;
  text-align: center;
}

.cta-inner {
  max-width: 700px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.cta-title {
  font-size: var(--fs-3xl);
  line-height: var(--lh-tight);
}

.cta-desc {
  font-size: var(--fs-md);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1rem;
}

/* ============================================
   GALERİ SAYFASI (Gallery & Lightbox)
   ============================================ */

/* --------------------------------------------
   15. Galeri Grid Yapısı
   -------------------------------------------- */
.gallery-section {
  padding-block: 6rem;
  background-color: var(--color-light);
}

.gallery-grid {
  display: grid;
  /* Sihirli Responsive Grid Kuralı */
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1 / 1; /* Mükemmel kare formatı */
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background-color: var(--color-dark);
}

.gallery-figure,
.gallery-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

/* Hover (Üzerine gelme) Durumu */
.gallery-overlay {
  position: absolute;
  inset: 0; /* top:0, right:0, bottom:0, left:0 kısaltması */
  background-color: rgba(10, 22, 40, 0.4); /* Koyu mavi yarı saydam katman */
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-icon {
  font-size: 2rem;
  color: var(--color-white);
  transform: translateY(15px);
  transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-figure img {
  transform: scale(1.05); /* Resmi hafifçe büyüt */
}

.gallery-item:hover .gallery-overlay {
  opacity: 1; /* Karartmayı göster */
}

.gallery-item:hover .gallery-icon {
  transform: translateY(0); /* İkonu yukarı kaydırarak göster */
}

/* --------------------------------------------
   16. Lightbox (Modal) Stilleri
   -------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 22, 40, 0.95); /* Çok koyu arka plan */
  z-index: 1000; /* En üstte durması için */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none; /* Gizliyken tıklamaları engelle */
  transition: opacity 0.3s ease;
}

/* JS ile "is-open" sınıfı eklendiğinde görünür olacak */
.lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  position: relative;
  max-width: 1200px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Lightbox içindeki medya */
.lightbox-content img,
.lightbox-content video {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain; /* Görüntünün oranını bozmadan ekrana sığdır */
  border-radius: 8px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2rem;
  cursor: pointer;
  z-index: 1001;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.lightbox-close:hover {
  opacity: 1;
}

/* Sadece ekran okuyucular için yardımcı sınıf (a11y) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ============================================
   İLETİŞİM SAYFASI (Contact)
   ============================================ */

/* --------------------------------------------
   17. İletişim Ana Düzeni
   -------------------------------------------- */
.contact-section {
  padding-block: 6rem;
  background-color: var(--color-light);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
}

/* Sol Kolon: Bilgiler */
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-card {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--color-white);
  border-radius: 12px;
  font-size: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.info-title {
  font-size: var(--fs-md);
  color: var(--color-dark);
  margin-bottom: 0.25rem;
}

.info-text {
  font-size: var(--fs-base);
  color: var(--color-text-muted);
  font-style: normal;
  line-height: var(--lh-snug);
}

.info-link {
  transition: color 0.2s ease;
}

.info-link:hover {
  color: var(--color-brand);
}

.socials-title {
  font-size: var(--fs-md);
  color: var(--color-dark);
  margin-bottom: 1rem;
}

/* Sosyal medya ikonları için footer'daki stilleri kullandığımızdan
   sadece renklerini koyu temaya uyarlıyoruz */
.contact-socials .footer-socials a {
  background-color: var(--color-white);
  color: var(--color-dark);
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}

.contact-socials .footer-socials a:hover {
  background-color: var(--color-brand);
  color: var(--color-white);
}

.contact-map {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

/* --------------------------------------------
   18. Form Stilleri
   -------------------------------------------- */
.contact-form-wrapper {
  background-color: var(--color-white);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(10, 22, 40, 0.04);
}

.form-heading {
  font-size: var(--fs-2xl);
  color: var(--color-dark);
  margin-bottom: 0.5rem;
}

.form-desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-dark);
}

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  background-color: var(--color-light);
  border: 1px solid transparent;
  border-radius: 8px;
  font-family: inherit;
  font-size: var(--fs-base);
  color: var(--color-text);
  transition: border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

/* Form elemanlarına odaklanıldığındaki (focus) erişilebilirlik stili */
.form-control:focus {
  outline: none;
  background-color: var(--color-white);
  border-color: var(--color-brand);
  box-shadow: 0 0 0 4px rgba(59, 158, 255, 0.1);
}

.form-control::placeholder {
  color: #A0ABC0;
}

textarea.form-control {
  resize: vertical; /* Sadece dikeyde büyütülebilir */
  min-height: 120px;
}

.form-submit {
  width: 100%;
  margin-top: 1rem;
}

.form-status {
  font-size: var(--fs-sm);
  text-align: center;
  font-weight: var(--weight-medium);
}
.form-status.success { color: #10B981; }
.form-status.error { color: #EF4444; }

/* ============================================
   KAMPANYA BANNER (Hero altı)
   ============================================ */
.campaign-banner {
  background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand) 100%);
  color: var(--color-white);
  padding-block: 2.5rem;
}
.campaign-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.campaign-eyebrow {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-white);
  opacity: 0.9;
  margin-bottom: 0.75rem;
}
.campaign-title {
  font-size: var(--fs-xl);
  font-weight: var(--weight-extrabold);
  line-height: var(--lh-tight);
  margin-bottom: 0.5rem;
  color: var(--color-white);
}
.campaign-desc {
  font-size: var(--fs-sm);
  opacity: 0.92;
  max-width: 60ch;
  margin: 0;
}
.btn-light {
  background: var(--color-white);
  color: var(--color-brand-dark);
  font-weight: var(--weight-bold);
}
.btn-light:hover {
  background: var(--color-light);
  transform: translateY(-1px);
}

/* ============================================
   SAVINGS COMPARISON (Alpinist vs Drone)
   ============================================ */
.savings-comparison {
  padding-block: 5rem;
  background: var(--color-light);
}
.savings-table-wrap {
  margin-top: 2.5rem;
  overflow-x: auto;
  border-radius: 12px;
  background: var(--color-white);
  box-shadow: 0 4px 20px rgba(30, 58, 138, 0.08);
}
.savings-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-base);
}
.savings-table thead {
  background: var(--color-brand-dark);
  color: var(--color-white);
}
.savings-table th {
  padding: 1rem 1.25rem;
  text-align: left;
  font-weight: var(--weight-semibold);
  font-size: var(--fs-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.savings-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-light-soft);
}
.savings-table tbody tr:nth-child(even) {
  background: var(--color-light-soft);
}
.savings-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.05);
}
.savings-amount {
  color: var(--color-brand);
  font-weight: var(--weight-bold);
  font-size: var(--fs-md);
}
.savings-pct {
  display: inline-block;
  background: var(--color-brand);
  color: var(--color-white);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-weight: var(--weight-bold);
  font-size: var(--fs-sm);
}
.savings-note {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-align: center;
  padding: 1rem;
  margin: 0;
  font-style: italic;
}

/* ============================================
   YILLIK SÖZLEŞME CTA
   ============================================ */
.yearly-cta {
  background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-dark) 100%);
  color: var(--color-white);
  padding-block: 5rem;
}
.yearly-inner {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 4rem;
  align-items: center;
}
.eyebrow-light {
  color: var(--color-accent);
}
.yearly-title {
  font-size: var(--fs-3xl);
  font-weight: var(--weight-extrabold);
  line-height: var(--lh-tight);
  color: var(--color-white);
  margin-bottom: 1rem;
}
.yearly-desc {
  font-size: var(--fs-md);
  line-height: var(--lh-normal);
  opacity: 0.92;
  margin-bottom: 2rem;
}
.yearly-benefits {
  list-style: none;
  padding: 0;
  margin-bottom: 2rem;
}
.yearly-benefits li {
  font-size: var(--fs-base);
  padding: 0.5rem 0;
  color: var(--color-white);
  opacity: 0.95;
}
.yearly-benefits strong {
  font-weight: var(--weight-bold);
}
.example-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 217, 255, 0.3);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(10px);
}
.example-label {
  display: block;
  font-size: var(--fs-xs);
  font-weight: var(--weight-bold);
  letter-spacing: 0.15em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.example-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--fs-sm);
}
.example-row.example-highlight strong {
  color: var(--color-accent);
}
.example-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  margin-top: 1rem;
  border-top: 2px solid var(--color-accent);
  font-weight: var(--weight-bold);
}
.example-total span {
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.9;
}
.example-total strong {
  font-size: var(--fs-2xl);
  color: var(--color-accent);
}


/* Header brand: drone icon yanında SkyClean yazısı */
.brand {
  gap: 0.6rem;
}
.brand-icon {
  width: 32px;
  height: 32px;
  display: inline-block;
  vertical-align: middle;
}
.footer-col.brand-col .brand-icon {
  width: 36px;
  height: 36px;
}