/* ================================== */
/* TEMA DEĞİŞKENLERİ (BEYAZ TEMA)       */
/* ================================== */
:root {
  /* Renk Paleti */
  --color-primary: #0d6efd; /* Ana vurgu rengi (Bootstrap mavisi) */
  --color-primary-dark: #0a58ca; /* Ana vurgu renginin koyu tonu (hover vb.) */
  --color-primary-light: #4285f4; /* Ana vurgu renginin açık tonu */
  --color-secondary: #6c757d; /* İkincil renk (gri) */
  --color-text-dark: #212529; /* Koyu metin/başlık rengi */
  --color-text-light: #555555; /* Açık metin rengi */
  --color-background-light: #ffffff; /* Açık zemin (kartlar, modal) */
  --color-background-dark: #f8f9fa; /* Koyu zemin (sayfa geneli) */
  --color-border: #e9ecef; /* Kenarlık rengi */
  --color-success: #28a745; /* Başarı mesajı rengi */
  --color-error: #dc3545; /* Hata mesajı rengi */
  --color-whatsapp: #25D366; /* WhatsApp rengi */
  --color-whatsapp-dark: #1DA851; /* WhatsApp koyu tonu */
  --color-gradient-start: var(--color-primary);
  --color-gradient-end: #00bfff;

  /* Font Ailesi */
  --font-family-base: 'Poppins', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.7;

  /* Boşluklar (Spacing Scale) */
  --spacing-xs: 8px;
  --spacing-sm: 15px;
  --spacing-md: 20px;
  --spacing-lg: 30px;
  --spacing-xl: 40px;
  --spacing-xxl: 50px;
  --spacing-section: 80px; /* Bölüm padding'i */

  /* Köşe Yuvarlaklıkları (Border Radius) */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-full: 50px; /* CTA butonları için */

  /* Gölgeler (Box Shadows) */
  --shadow-xs: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-sm: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 25px rgba(0,0,0,0.1);
  --shadow-lg: 0 15px 40px rgba(0,0,0,0.15);
  --shadow-hover: 0 20px 50px rgba(0,0,0,0.2); /* Hover'da daha belirgin */
  --shadow-primary: 0 5px 15px rgba(13, 110, 253, 0.3); /* Vurgu rengiyle gölge */

  /* Geçişler (Transitions) */
  --transition-ease: ease-in-out;
  --transition-speed-fast: 0.2s;
  --transition-speed-normal: 0.3s;
  --transition-speed-slow: 0.5s;
  --transition-animation: 0.8s; /* Kaydırma animasyonları için */

  /* Vurgu renginin RGB değeri (RGBA kullanımı için) */
  --color-primary-rgb: 13, 110, 253;

  /* Yeni Blog Fontları ve Renkleri */
  --font-family-heading: 'Poppins', sans-serif; /* Başlıklar için aynı kalsın */
  --font-family-body: 'Open Sans', sans-serif; /* Gövde metni için farklı bir font (örnek) */
  --color-blockquote: #6c757d; /* Alıntı metni rengi */
  --color-code-background: #f0f0f0; /* Kod blokları arka planı */
  --color-code-text: #333333; /* Kod blokları metin rengi */
}

/* ================================== */
/* GLOBAL STİLLER                     */
/* ================================== */
html {
  scroll-behavior: smooth; /* Sayfa içi geçişlerde yumuşak kaydırma */
}

body {
  font-family: var(--font-family-body); /* Gövde fontu değiştirildi */
  margin: 0;
  padding: 0;
  background-color: var(--color-background-dark);
  color: var(--color-text-light);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden; /* Yatay kaydırmayı engelle */
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm); /* Yan padding için değişken */
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading); /* Başlık fontu */
  color: var(--color-text-dark);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

/* clamp() ile responsive başlık boyutları */
h1 { font-size: clamp(2.5rem, 6vw, 4rem); } /* Min 2.5rem, max 4rem, 6vw responsive */
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.5rem, 4vw, 2.5rem); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-speed-normal) var(--transition-ease);
}
a:hover,
a:focus {
  color: var(--color-primary-dark);
  outline: none; /* Odak çizgisi kaldırıldı */
  text-decoration: underline; /* Hover/Focus'ta alt çizgi eklendi */
}

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

section {
  padding: var(--spacing-section) 0; /* Bölüm padding'i değişken */
}

.tag {
  display: inline-block;
  background-color: var(--color-primary);
  color: #fff;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cta-button {
  background-color: var(--color-primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: var(--border-radius-md); /* Daha genel bir radius kullandım */
  font-weight: bold;
  display: inline-block;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-speed-normal) var(--transition-ease),
              transform var(--transition-speed-normal) var(--transition-ease),
              box-shadow var(--transition-speed-normal) var(--transition-ease);
  text-decoration: none;
  box-shadow: var(--shadow-xs); /* Hafif başlangıç gölgesi */
}
.cta-button:hover,
.cta-button:focus {
  background-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-2px); /* Hafif kaldırma efekti */
  box-shadow: var(--shadow-sm); /* Hover'da gölge arttırıldı */
  outline: none;
}

/* SCROLL ANİMASYONLARI */
.animated-section {
  opacity: 0;
  transform: translateY(var(--spacing-xl)); /* Değişken boşluk */
  transition: opacity var(--transition-animation) var(--transition-ease),
              transform var(--transition-animation) var(--transition-ease);
}
.animated-section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ================================== */
/* HEADER & NAVİGASYON (GELİŞMİŞ)     */
/* ================================== */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  background-color: var(--color-background-light);
  transition: background-color var(--transition-speed-normal) var(--transition-ease);
}
.top-bar {
  background-color: var(--color-background-dark); /* Değişken kullanımı */
  padding: var(--spacing-xs) 0;
  font-size: 13px;
  color: var(--color-secondary);
  border-bottom: 1px solid var(--color-border);
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm); /* Küçük ekranlarda elementler arası boşluk */
}
.top-bar-left {
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}
.top-bar-left span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}
.top-bar-left i {
  color: var(--color-primary);
}
.top-bar a {
  color: var(--color-text-light);
  transition: color var(--transition-speed-normal) var(--transition-ease);
}
.top-bar a:hover,
.top-bar a:focus {
  color: var(--color-primary);
  text-decoration: none; /* Top bar linklerinde alt çizgi olmasın */
}
.top-bar-right {
  display: flex;
  gap: var(--spacing-md);
}
.top-bar-right a {
  font-size: var(--font-size-base);
  color: var(--color-text-dark);
  transition: color var(--transition-speed-normal) var(--transition-ease);
}
.top-bar-right a:hover,
.top-bar-right a:focus {
  color: var(--color-primary);
}
.main-header {
  background-color: var(--color-background-light);
  padding: var(--spacing-md) 0;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-container a {
  font-size: clamp(1.8rem, 4vw, 2.2rem); /* Responsive logo boyutu */
  font-weight: 800;
  color: var(--color-text-dark);
  text-decoration: none;
  background: linear-gradient(45deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform var(--transition-speed-normal) var(--transition-ease);
  letter-spacing: -1px; /* Logo metni daha sıkı olsun */
}
.logo-container a:hover {
  transform: scale(1.02);
}
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}
.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: var(--spacing-sm);
}
.main-nav li {
  position: relative;
}
.main-nav a {
  color: var(--color-text-dark);
  font-weight: 600;
  padding: 10px 15px;
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  border-radius: var(--border-radius-md);
  transition: color var(--transition-speed-normal) var(--transition-ease),
              background-color var(--transition-speed-normal) var(--transition-ease);
}
.main-nav a i {
  font-size: 14px;
  opacity: 0.7;
}
.main-nav a:hover,
.main-nav a:focus {
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.05); /* RGBA için değişken kullanımı */
  text-decoration: none; /* Nav linklerinde alt çizgi olmasın */
}
.main-nav a::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  bottom: -5px;
  left: 50%;
  background-color: var(--color-primary);
  border-radius: 50%;
  transform: translateX(-50%) scale(0);
  transition: transform var(--transition-speed-normal) var(--transition-ease);
}
.main-nav a:hover::after {
  transform: translateX(-50%) scale(1);
}
.header-cta-button {
  background-image: linear-gradient(45deg, var(--color-gradient-start), var(--color-gradient-end));
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--border-radius-full);
  font-weight: bold;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  box-shadow: var(--shadow-primary);
  transition: transform var(--transition-speed-normal) var(--transition-ease),
              box-shadow var(--transition-speed-normal) var(--transition-ease);
}
.header-cta-button:hover,
.header-cta-button:focus {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  color: #fff;
  outline: none;
}
.has-dropdown .dropdown-arrow {
  font-size: 12px;
  margin-left: 5px;
  transition: transform var(--transition-speed-normal) var(--transition-ease);
}
.main-nav li:hover > a .dropdown-arrow,
.main-nav li:focus-within > a .dropdown-arrow {
  transform: rotate(180deg);
}
.dropdown-menu {
  display: block;
  position: absolute;
  top: calc(100% + var(--spacing-sm)); /* Navbar yüksekliğine göre ayarlandı */
  left: 0;
  background-color: var(--color-background-light);
  min-width: 220px;
  list-style: none;
  padding: var(--spacing-xs);
  margin: 0;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: translateY(var(--spacing-md));
  visibility: hidden;
  transition: opacity var(--transition-speed-normal) var(--transition-ease),
              transform var(--transition-speed-normal) var(--transition-ease),
              visibility var(--transition-speed-normal);
}
.main-nav li:hover > .dropdown-menu,
.main-nav li:focus-within > .dropdown-menu {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}
.dropdown-menu a {
  width: 100%;
  box-sizing: border-box;
  padding: var(--spacing-xs) var(--spacing-sm);
  display: block;
}
.dropdown-menu a:hover,
.dropdown-menu a:focus {
  color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.08); /* RGBA için değişken kullanımı */
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text-dark);
  font-size: 28px; /* Daha büyük ikon */
  cursor: pointer;
  z-index: 1001;
  padding: var(--spacing-xs); /* Tıklama alanı büyütüldü */
}
.menu-icon-close {
  display: none;
}

/* ================================== */
/* SLIDER BÖLÜMLERİ                   */
/* ================================== */
.main-slider {
  width: 100%;
  height: 75vh;
  min-height: 550px;
  position: relative;
  background: #000;
  overflow: hidden;
}
.main-slider .swiper-slide {
  overflow: hidden;
}
.slide-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 10s var(--transition-ease); /* Daha uzun geçiş */
}
.swiper-slide-active .slide-background {
  transform: scale(1.15); /* Daha belirgin zoom */
}
.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, rgba(0,0,0,0.75) 0%, rgba(0,0,0,0.5) 50%, rgba(0,0,0,0) 100%); /* Daha yoğun overlay */
}
.main-slider .slide-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  text-align: left;
  height: 100%;
  padding-left: var(--spacing-lg); /* İçerik padding'i */
  padding-right: var(--spacing-lg);
  max-width: 1200px; /* İçerik max genişliği */
  margin: 0 auto;
}
.slide-title, .slide-description, .slide-button, .slide-contact-info {
  opacity: 0;
  transform: translateY(var(--spacing-md));
}
@keyframes fadeInUp { to { opacity: 1; transform: translateY(0); } }
.swiper-slide-active .slide-title { animation: fadeInUp var(--transition-animation) var(--transition-ease) 0.4s forwards; }
.swiper-slide-active .slide-description { animation: fadeInUp var(--transition-animation) var(--transition-ease) 0.7s forwards; }
.swiper-slide-active .slide-button { animation: fadeInUp var(--transition-animation) var(--transition-ease) 1s forwards; }
.swiper-slide-active .slide-contact-info { animation: fadeInUp var(--transition-animation) var(--transition-ease) 1.2s forwards; }
.main-slider .slide-title {
  font-size: clamp(2.8rem, 7vw, 4.5rem); /* Responsive başlık */
  max-width: 700px; /* Genişletilmiş max-width */
  color: #fff;
  text-shadow: 2px 2px 10px rgba(0,0,0,0.6); /* Daha belirgin gölge */
  margin: 0 0 var(--spacing-sm) 0;
}
.main-slider .slide-description {
  font-size: clamp(1rem, 2vw, 1.2rem); /* Responsive açıklama */
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
  color: rgba(255,255,255,0.9); /* Hafif şeffaflık */
}
.slide-contact-info {
  margin-top: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
  color: #fff;
  flex-wrap: wrap;
}
.slide-contact-info a {
  color: #fff;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  transition: color var(--transition-speed-normal) var(--transition-ease);
}
.slide-contact-info a:hover {
  color: rgba(255,255,255,0.8);
}
.main-slider .swiper-button-next,
.main-slider .swiper-button-prev {
  color: #fff;
  background-color: rgba(255,255,255,0.15); /* Daha az opak arka plan */
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-speed-normal) var(--transition-ease);
}
.main-slider .swiper-button-next:hover,
.main-slider .swiper-button-prev:hover {
  background-color: rgba(255,255,255,0.3);
}
.main-slider .swiper-button-next::after,
.main-slider .swiper-button-prev::after {
  font-size: 22px; /* Daha büyük ok */
}
.main-slider .swiper-pagination-bullet {
  background-color: rgba(255,255,255,0.5);
  opacity: 1; /* Varsayılan opaklık */
}
.main-slider .swiper-pagination-bullet-active {
  background-color: #fff;
  transform: scale(1.2); /* Aktif noktayı büyüt */
  transition: transform var(--transition-speed-fast) var(--transition-ease);
}

/* --- */

/* Proje Slider ve Kart Stilleri */
.gallery-section {
  position: relative;
  background-color: var(--color-background-dark);
}
.project-slider {
  padding: 0 var(--spacing-xl); /* Yan boşluklar değişken */
  margin-bottom: var(--spacing-xl);
}
.project-button-next,
.project-button-prev {
  color: var(--color-text-dark);
  background-color: var(--color-background-light); /* Beyaz arka plan */
  width: 50px;
  height: 50px;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-speed-normal) var(--transition-ease),
              box-shadow var(--transition-speed-normal) var(--transition-ease),
              color var(--transition-speed-normal) var(--transition-ease);
}
.project-button-next:hover,
.project-button-prev:hover {
  background-color: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.project-button-next::after,
.project-button-prev::after {
  font-size: 20px;
  font-weight: bold;
}
.project-button-prev { left: var(--spacing-sm); }
.project-button-next { right: var(--spacing-sm); }

a.gallery-card-link, .project-slider .swiper-slide {
  text-decoration: none;
  color: inherit;
  display: flex;
  height: auto;
}
.gallery-card {
  background: var(--color-background-light);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg); /* Daha büyük radius */
  box-shadow: var(--shadow-md);
  width: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-speed-normal) var(--transition-ease),
              box-shadow var(--transition-speed-normal) var(--transition-ease);
}
.gallery-card:hover {
  transform: translateY(-10px); /* Daha belirgin kaldırma */
  box-shadow: var(--shadow-hover);
}
.card-image-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}
.gallery-card img {
  width: 100%;
  height: 280px; /* Yükseklik arttırıldı */
  object-fit: cover;
  transition: transform 0.5s var(--transition-ease);
}
.gallery-card:hover img {
  transform: scale(1.15); /* Daha belirgin zoom */
}
.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(var(--color-primary-rgb), 0.85); /* RGBA için değişken kullanımı */
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px; /* Daha büyük font */
  font-weight: bold;
  opacity: 0;
  transition: opacity var(--transition-speed-normal) var(--transition-ease);
}
.gallery-card:hover .card-overlay {
  opacity: 1;
}
.overlay-text i {
  margin-left: var(--spacing-xs);
  vertical-align: middle;
}
.gallery-card .card-content {
  padding: var(--spacing-md);
  flex-grow: 1;
  display: flex; /* İçerik align için flex */
  flex-direction: column;
  justify-content: space-between;
}
.gallery-card .card-content h3 {
  color: var(--color-text-dark);
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: clamp(1.1rem, 2.5vw, 1.3rem); /* Responsive başlık */
}
.gallery-card .card-content p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* ================================== */
/* İÇERİK BÖLÜMLERİ                   */
/* ================================== */
.about-intro-section {
  background-color: var(--color-background-light);
}
.about-intro-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-xxl);
  flex-wrap: wrap;
}
.about-intro-text, .about-intro-image {
  flex: 1;
  min-width: 300px;
}
.about-intro-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}
.stats-container {
  display: flex;
  justify-content: space-around; /* Boşluklar eşit dağıtılsın */
  text-align: center;
  margin-top: var(--spacing-xl);
  gap: var(--spacing-md);
  flex-wrap: wrap;
}
.stat-item {
  flex-basis: calc(33% - var(--spacing-lg)); /* 3 sütunlu düzen için */
  min-width: 150px;
  flex-grow: 1;
}
.stat-item h3 {
  font-size: clamp(2rem, 5vw, 3rem); /* Responsive stat değeri */
  color: var(--color-primary);
  margin: 0 0 var(--spacing-xs) 0;
}
.stat-item p {
  font-size: clamp(0.9rem, 2vw, 1rem);
  color: var(--color-text-light);
  margin: 0;
}

.services-section {
  background-color: var(--color-background-dark);
}
.advantages-section {
  background-color: var(--color-background-light);
}
.contact-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}
.services-grid, .advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Min genişlik arttırıldı */
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}
.service-card {
  background-color: var(--color-background-light);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: left;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-speed-normal) var(--transition-ease),
              box-shadow var(--transition-speed-normal) var(--transition-ease);
  box-shadow: var(--shadow-xs); /* Hafif gölge */
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 5px; /* Kalınlaştırıldı */
  background-color: var(--color-primary);
  transition: left 0.4s var(--transition-ease);
}
.service-card:hover::before { left: 0; }
.service-card:hover {
  transform: translateY(-15px); /* Daha belirgin kaldırma */
  box-shadow: var(--shadow-md);
}
.service-icon, .advantage-icon {
  font-size: clamp(3rem, 6vw, 4rem); /* Responsive ikon boyutu */
  color: var(--color-primary);
  margin-bottom: var(--spacing-xl);
  transition: transform var(--transition-speed-normal) var(--transition-ease),
              color var(--transition-speed-normal) var(--transition-ease);
}
.service-card:hover .service-icon {
  transform: scale(1.1);
}
.service-card h3, .advantage-card h3 {
  margin-bottom: var(--spacing-sm);
  font-size: clamp(1.2rem, 3vw, 1.5rem); /* Responsive başlık */
}
.advantage-card {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-lg);
  background-color: var(--color-background-light);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-speed-normal) var(--transition-ease),
              box-shadow var(--transition-speed-normal) var(--transition-ease);
}
.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-sm);
}
.advantage-card p {
  font-size: 0.95rem;
}
.brands-section {
  background-color: var(--color-background-dark);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 60px 0;
}
.brand-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); /* Min genişlik azaltıldı */
  gap: var(--spacing-xl);
  align-items: center;
}
.brand-logo-item img {
  max-height: 70px; /* Logo yüksekliği arttırıldı */
  width: auto;
  margin: 0 auto;
  opacity: 0.6; /* Daha düşük başlangıç opaklığı */
  filter: grayscale(100%);
  transition: opacity var(--transition-speed-normal) var(--transition-ease),
              filter var(--transition-speed-normal) var(--transition-ease);
}
.brand-logo-item img:hover {
  opacity: 1;
  filter: grayscale(0%);
}

/* ================================== */
/* Sıkça Sorulan Sorular (SSS) Bölümü Stilleri */
/* ================================== */
.faq-section {
  background-color: var(--color-background-light);
  padding: var(--spacing-section) 0;
}

.faq-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr; /* İki eşit sütun */
  gap: var(--spacing-xxl); /* Sütunlar arası boşluk */
  align-items: center; /* Dikeyde ortala */
  margin-top: var(--spacing-xl); /* Bölüm başlığından sonraki boşluk */
}

/* SSS Görselini Sağ Tarafa Alma */
.faq-image {
  order: 2; /* Normal akışta ikinci sırada olsun, böylece grid'de sağa kayar */
}

.faq-image img {
  width: 100%;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  height: auto; /* Esnek yükseklik */
  display: block;
}

/* SSS Akordeon Stilleri */
.faq-accordion {
  order: 1; /* Akordeon normal akışta ilk sırada olsun, böylece grid'de sola kayar */
  border-top: 1px solid var(--color-border); /* İlk öğe için üst kenarlık */
}

.faq-item {
  border-bottom: 1px solid var(--color-border); /* Her öğe için alt kenarlık */
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--spacing-md) var(--spacing-xs);
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 600;
  color: var(--color-text-dark);
  transition: color var(--transition-speed-normal) var(--transition-ease);
}
.faq-question:hover,
.faq-question:focus {
  color: var(--color-primary);
  outline: none;
}

.faq-question .icon-toggle {
  transition: transform var(--transition-speed-normal) var(--transition-ease);
  font-size: 1.2em; /* İkon boyutu metne göre ayarlandı */
  margin-left: var(--spacing-sm); /* Ok ile metin arasına boşluk */
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr; /* Başlangıçta gizli */
  transition: grid-template-rows 0.4s var(--transition-ease);
}
.faq-answer p {
  overflow: hidden; /* Gizlenen içeriği gizle */
  margin: 0;
  padding: 0 var(--spacing-xs);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

.faq-item.active .faq-answer {
  grid-template-rows: 1fr; /* Aktif olduğunda içeriği göster */
}
.faq-item.active .faq-answer p {
  padding-bottom: var(--spacing-md); /* Açılan içeriğin altına boşluk */
}
.faq-item.active .faq-question .icon-toggle {
  transform: rotate(180deg); /* Ok yukarı dönsün */
}

/* --- */

.cta-section {
  position: relative;
  padding: var(--spacing-section) var(--spacing-md);
  text-align: center;
  color: #fff;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
  background-image: url('path/to/your/cta-background-image.jpg'); /* CTA için örnek görsel */
}
.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7); /* Daha koyu overlay */
  z-index: 1;
}
.cta-container {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}
.cta-container h2 {
  color: #fff;
  margin-bottom: var(--spacing-lg);
  font-size: clamp(2rem, 5vw, 3.5rem);
}
.cta-container p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}
.testimonial-slider {
  max-width: 700px;
  margin: 0 auto var(--spacing-xl) auto;
  padding-bottom: var(--spacing-lg);
}
.testimonial-content {
  font-size: 1.1rem;
  font-style: italic;
  opacity: 0.95;
  color: #fff;
}
.testimonial-content blockquote {
  margin: var(--spacing-sm) 0;
  padding: 0;
  border: none;
}
.testimonial-content cite {
  display: block;
  font-style: normal;
  font-weight: bold;
  margin-top: var(--spacing-sm);
  color: #fff;
}
.testimonial-stars {
  font-size: 22px; /* Daha büyük yıldızlar */
  color: rgba(255,255,255,0.4); /* Pasif yıldızlar */
}
.testimonial-stars .filled {
  color: #f0c808;
}
.testimonial-pagination.swiper-pagination-bullets { bottom: 0; }
.testimonial-pagination .swiper-pagination-bullet {
  background-color: rgba(255,255,255,0.5);
}
.testimonial-pagination .swiper-pagination-bullet-active {
  background-color: #fff;
}
.cta-buttons-wrapper {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}
.cta-section .cta-button-whatsapp {
  background-color: var(--color-whatsapp);
  box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}
.cta-section .cta-button-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  box-shadow: 0 7px 20px rgba(37, 211, 102, 0.4);
}
.side-contact-bar {
  position: fixed;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.side-contact-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px; /* Genişletildi */
  height: 60px; /* Genişletildi */
  color: #fff;
  font-size: 32px; /* İkon boyutu büyütüldü */
  transition: all var(--transition-speed-normal) var(--transition-ease);
  border-top-right-radius: var(--border-radius-md);
  border-bottom-right-radius: var(--border-radius-md);
  box-shadow: var(--shadow-xs);
}
.side-contact-link.whatsapp {
  background-color: var(--color-whatsapp);
}
.side-contact-link.phone {
  background-color: var(--color-primary);
}
.side-contact-link:hover {
  transform: translateX(8px); /* Daha belirgin kayma */
  box-shadow: var(--shadow-sm);
}

/* ================================== */
/* SAYFA ÖZEL STİLLERİ                */
/* ================================== */
.page-content {
  padding: var(--spacing-section) 0;
}
.project-description {
  max-width: 800px;
  margin-bottom: var(--spacing-xl);
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text-dark);
}
.project-detail-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); /* Min genişlik arttırıldı */
  gap: var(--spacing-md);
}
.project-detail-gallery a {
  display: block;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.project-detail-gallery img {
  width: 100%;
  height: 220px; /* Yükseklik arttırıldı */
  object-fit: cover;
  transition: transform var(--transition-speed-normal) var(--transition-ease);
}
.project-detail-gallery a:hover img {
  transform: scale(1.08); /* Daha belirgin zoom */
}
.contact-page-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
}
.contact-grid {
  flex: 1.5;
  min-width: 320px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}
.contact-map {
  flex: 1;
  min-width: 320px;
  min-height: 450px; /* Harita yüksekliği arttırıldı */
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border); /* Haritaya kenarlık eklendi */
}
.contact-block {
  background-color: var(--color-background-dark); /* Arka plan rengi */
  padding: var(--spacing-lg); /* Padding arttırıldı */
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: flex-start; /* İçerik yukarıda hizalandı */
  gap: var(--spacing-md);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition-speed-normal) var(--transition-ease),
              transform var(--transition-speed-normal) var(--transition-ease);
}
.contact-block:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-5px); /* Daha belirgin kaldırma */
}
.contact-block .icon {
  font-size: 32px; /* İkon boyutu büyütüldü */
  color: var(--color-primary);
  flex-shrink: 0; /* İkonun küçülmemesi için */
}
.contact-block .info strong {
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-dark);
  font-size: 1.1rem; /* Daha belirgin başlık */
}
.contact-block .info p, .contact-block .info a {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-light);
}
.contact-block .info a:hover {
  color: var(--color-primary);
}

.contact-form-section {
  padding-top: var(--spacing-section);
  background-color: var(--color-background-light); /* Form bölümüne arka plan */
}
.contact-form-section .container {
  max-width: 800px; /* Form konteyneri */
}
.form-group {
  margin-bottom: var(--spacing-lg); /* Form grupları arası boşluk */
}
.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-dark);
  font-size: 0.95rem;
}
.form-group input, .form-group textarea {
  background-color: #fff;
  color: var(--color-text-dark);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: var(--spacing-sm);
  width: 100%;
  box-sizing: border-box;
  font-size: var(--font-size-base);
  transition: border-color var(--transition-speed-normal) var(--transition-ease),
              box-shadow var(--transition-speed-normal) var(--transition-ease);
}
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.2); /* RGBA için değişken kullanımı */
  outline: none;
}
.form-group textarea {
  min-height: 120px;
  resize: vertical;
}
.form-group button[type="submit"] {
  width: auto; /* Buton genişliği içeriğe göre ayarlansın */
  padding: 15px 35px; /* Daha büyük buton */
  font-size: 1.1rem;
  border-radius: var(--border-radius-full);
}

.notice {
  padding: var(--spacing-md);
  margin: var(--spacing-lg) auto;
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  max-width: 800px;
  font-size: 0.95rem;
  line-height: 1.6;
}
.notice.success {
  color: #0f5132;
  background-color: #d1e7dd;
  border-color: #badbcc;
}
.notice.error {
  color: #842029;
  background-color: #f8d7da;
  border-color: #f5c2c7;
}

.before-after-container {
  margin-bottom: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg); /* Daha belirgin gölge */
  border: 1px solid var(--color-border); /* Kenarlık */
}
.image-compare {
  width: 100%;
  aspect-ratio: 16 / 9;
}
.image-compare img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.filter-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xxl);
}
.filter-btn {
  background-color: var(--color-background-light);
  border: 1px solid var(--color-border);
  color: var(--color-text-dark);
  padding: 10px 22px;
  border-radius: var(--border-radius-full);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-speed-normal) var(--transition-ease);
  font-family: var(--font-family-base);
  font-size: 0.95rem;
  box-shadow: var(--shadow-xs);
}
.filter-btn:hover,
.filter-btn:focus {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  outline: none;
  box-shadow: var(--shadow-primary);
}
.filter-btn.active {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}
.masonry-grid {
  margin: 0 auto;
}
.grid-sizer, .grid-item {
  width: calc(33.333% - var(--spacing-md)); /* Daha hassas hesaplama */
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius-md);
}
.grid-item {
  transition: transform var(--transition-speed-normal) var(--transition-ease),
              opacity var(--transition-speed-normal) var(--transition-ease);
  box-shadow: var(--shadow-sm); /* Grid öğelerine gölge */
  overflow: hidden; /* İçerik taşmasını engelle */
}
.grid-item img {
  border-radius: var(--border-radius-md); /* İç resim de radius alsın */
}

/* ================================== */
/* HAKKIMIZDA SAYFASI STİLLERİ        */
/* ================================== */
.about-page {
  background-color: var(--color-background-light);
}
.about-page-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: center;
}
.about-page-text h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  line-height: 1.3;
}
.about-page-text .lead {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--color-text-dark);
  font-weight: 500;
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}
.about-page-text .text-content {
  line-height: 1.9;
  font-size: 1rem;
}
.about-page-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* ================================== */
/* FOOTER                             */
/* ================================== */
footer {
  background: var(--color-background-dark); /* Değişken kullanımı */
  color: var(--color-text-light);
  text-align: center;
  padding: var(--spacing-lg) 0;
  margin-top: 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}

/* ================================== */
/* BLOG SAYFASI STİLLERİ              */
/* ================================== */

.blog-page {
  background-color: var(--color-background-dark); /* Sayfa zemini */
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Esnek ve responsive ızgara */
  gap: var(--spacing-lg); /* Kartlar arası boşluk */
  margin-top: var(--spacing-xl); /* Başlıktan sonraki boşluk */
}

.blog-post-card {
  background-color: var(--color-background-light); /* Kart zemini */
  border-radius: var(--border-radius-lg); /* Yuvarlak köşeler */
  box-shadow: var(--shadow-md); /* Hafif gölge */
  overflow: hidden; /* Taşmaları gizle */
  transition: transform var(--transition-speed-normal) var(--transition-ease),
              box-shadow var(--transition-speed-normal) var(--transition-ease); /* Yumuşak geçişler */
  display: flex;
  flex-direction: column; /* İçeriği dikey sırala */
}

.blog-post-card:hover {
  transform: translateY(-8px); /* Hafif kaldırma efekti */
  box-shadow: var(--shadow-lg); /* Gölgeyi büyüt */
}

.blog-post-card-image {
  width: 100%;
  height: 220px; /* Görsel yüksekliği */
  overflow: hidden;
}

.blog-post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Görselin alanı kaplamasını sağla */
  transition: transform 0.4s var(--transition-ease); /* Görsel zoom geçişi */
}

.blog-post-card:hover .blog-post-card-image img {
  transform: scale(1.05); /* Hover'da hafif zoom */
}

.blog-post-card-content {
  padding: var(--spacing-md);
  flex-grow: 1; /* İçeriğin kartın kalan alanını kaplamasını sağla */
  display: flex;
  flex-direction: column;
  justify-content: space-between; /* Başlık, metin ve okuma butonu arasına boşluk */
}

.blog-post-card-content .post-meta {
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: 8px;
}

.blog-post-card-content .post-meta i {
  color: var(--color-primary);
}

.blog-post-card-content h3 {
  font-size: clamp(1.2rem, 3vw, 1.4rem); /* Responsive başlık boyutu */
  color: var(--color-text-dark);
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.blog-post-card-content p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.blog-post-card-content .read-more-link {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-speed-normal) var(--transition-ease);
  margin-top: auto; /* En alta hizala */
}

.blog-post-card-content .read-more-link:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Tekli Blog Yazısı Sayfası Stilleri */
.single-post-page {
  background-color: var(--color-background-light); /* Tekli yazı zemini */
}

.post-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.post-header h1 {
  font-size: clamp(2rem, 5vw, 3.5rem); /* Responsive başlık */
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-dark);
}

.post-meta-single {
  font-size: 0.9rem;
  color: var(--color-secondary);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.post-meta-single span {
  display: flex;
  align-items: center;
  gap: 5px;
}

.post-meta-single i {
  color: var(--color-primary);
}

.post-featured-image {
  width: 100%;
  max-height: 500px; /* Öne çıkan görsel için maksimum yükseklik */
  overflow: hidden;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-xl);
}

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

.post-content {
  line-height: 1.8;
  font-size: 1.05rem;
  font-family: var(--font-family-body); /* Metin fontu */
  color: var(--color-text-dark);
  max-width: 800px; /* Okunabilirliği artırmak için metin genişliği */
  margin: 0 auto;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  font-family: var(--font-family-heading); /* Başlık fontu */
  color: var(--color-text-dark);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
}

.post-content ul,
.post-content ol {
  margin-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.post-content li {
  margin-bottom: var(--spacing-xs);
}

.post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-md);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-blockquote); /* Değişkenden renk */
}

.post-content pre { /* Kod blokları için */
  background-color: var(--color-code-background);
  color: var(--color-code-text);
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  overflow-x: auto; /* Yatay kaydırma gerekirse */
  margin: var(--spacing-xl) 0;
  font-family: 'Courier New', Courier, monospace; /* Monospace font */
  font-size: 0.9rem;
  line-height: 1.5;
}

.post-content code {
  font-family: 'Courier New', Courier, monospace;
  background-color: rgba(var(--color-primary-rgb), 0.05);
  padding: 2px 4px;
  border-radius: var(--border-radius-sm);
  font-size: 0.9em;
}

.post-content figure { /* Görsel altyazıları için */
  margin: var(--spacing-xl) auto;
  max-width: 100%;
  text-align: center;
}

.post-content figure img {
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  width: auto; /* Resim kendi boyutuna göre kalsın */
  display: inline-block; /* Ortalamak için */
}

.post-content figcaption {
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-top: var(--spacing-xs);
  font-style: italic;
}


/* Yazar Bilgisi Kutusu */
.author-box {
  background-color: var(--color-background-dark);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-top: var(--spacing-section);
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.author-box-avatar img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-xs); /* Avatara hafif gölge */
}

.author-box-info h4 {
  margin: 0 0 var(--spacing-xs) 0;
  font-size: 1.3rem;
  color: var(--color-text-dark);
}

.author-box-info p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.5;
}

/* İlgili Yazılar Bölümü */
.related-posts-section {
  background-color: var(--color-background-dark);
  padding: var(--spacing-section) 0;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

/* --- Mobil Uyumluluk --- */
@media (max-width: 992px) {
  .top-bar-left span:not(:first-child) { display: none; }
  .main-nav, .header-cta-button { display: none; }
  .menu-toggle { display: block; }
  .grid-sizer, .grid-item {
    width: calc(50% - var(--spacing-md)); /* 2 sütun */
  }
  .site-header {
    position: sticky;
    top: 0;
    background-color: var(--color-background-light);
  }
  .main-slider {
    height: 65vh; /* Mobil slider yüksekliği ayarlandı */
    min-height: 400px;
  }
  .main-slider .slide-content {
    padding-left: var(--spacing-md);
    padding-right: var(--spacing-md);
  }
  .about-intro-wrapper {
    grid-template-columns: 1fr; /* Tek sütun */
    gap: var(--spacing-xl);
  }
  .about-intro-image {
    order: -1; /* Resmi metnin üzerine al */
    margin-bottom: var(--spacing-lg);
  }
  .faq-wrapper { /* FAQ wrapper mobil için düzenlendi */
    grid-template-columns: 1fr; /* Tek sütun */
    gap: var(--spacing-xl); /* Mobil görünümde gap azaltıldı */
  }
  .faq-image {
    order: -1; /* Mobil görünümde resmi en üste al (akordeonun üstüne) */
    margin-bottom: var(--spacing-xl); /* Akordeon ile arasında boşluk */
  }
  .faq-accordion {
    order: unset; /* Normal sırasına geri dön, yani resmin altında */
  }
  .stats-container {
    justify-content: center; /* Ortala */
  }
  .stat-item {
    flex-basis: 45%; /* Daha az stat için 2 sütun */
  }

  /* Blog Mobil */
  .blog-grid {
    grid-template-columns: 1fr; /* Tek sütunlu düzen */
  }

  .blog-post-card-image {
    height: 180px; /* Mobil için daha küçük görsel yüksekliği */
  }

  .blog-post-card-content {
    padding: var(--spacing-sm);
  }

  .blog-post-card-content h3 {
    font-size: clamp(1.1rem, 4vw, 1.3rem);
  }

  .single-post-page .post-header {
    margin-bottom: var(--spacing-lg);
  }

  .single-post-page .post-header h1 {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .post-meta-single {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .post-featured-image {
    max-height: 300px;
  }

  .post-content {
    font-size: 1rem;
    padding: 0 var(--spacing-sm);
  }

  .author-box {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-md);
  }

  .author-box-avatar img {
    width: 60px;
    height: 60px;
  }

  .related-posts-grid {
    grid-template-columns: 1fr; /* Tek sütunlu düzen */
  }
}

@media (max-width: 768px) {
  h2 { font-size: 2rem; }
  .top-bar { display: none; } /* Mobil top bar kaldırıldı */
  .main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(5px);
    transform: translateX(-100%);
    transition: transform 0.4s var(--transition-ease);
    padding-top: 100px;
    overflow-y: auto;
  }
  .main-nav.menu-open { transform: translateX(0); }
  .main-nav ul {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }
  .main-nav a {
    font-size: clamp(1.5rem, 5vw, 1.8rem); /* Mobil menü linkleri */
    padding: var(--spacing-md) 0;
    color: var(--color-text-dark);
  }
  .dropdown-menu {
    position: static;
    box-shadow: none;
    border-radius: 0;
    padding: 0 0 0 var(--spacing-xl); /* Daha fazla girinti */
    background: none;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    transform: none;
    transition: max-height 0.4s var(--transition-ease), padding 0.4s var(--transition-ease);
    visibility: visible;
  }
  .main-nav li.submenu-open > .dropdown-menu {
    max-height: 500px;
    padding: var(--spacing-xs) 0 var(--spacing-md) var(--spacing-xl);
  }
  .menu-toggle.toggled .menu-icon-open { display: none; }
  .menu-toggle.toggled .menu-icon-close { display: block; }
  .brand-grid {
    grid-template-columns: repeat(2, 1fr); /* Tablette 2 sütun */
    gap: var(--spacing-xl);
  }
  .main-slider {
    height: 55vh;
    min-height: 350px;
  }
  .main-slider .slide-title { font-size: clamp(2rem, 6vw, 2.8rem); }
  .main-slider .slide-description { font-size: clamp(0.9rem, 2.5vw, 1rem); }
  .slide-contact-info {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-section { padding: 60px var(--spacing-sm); }
  .side-contact-bar {
    transform: translateY(-50%) translateX(-8px); /* Mobil görünümde daha içeride */
  }
  .side-contact-link:hover {
    transform: translateX(0); /* Mobil hover'da sabit */
  }
  .project-slider {
    padding: 0 var(--spacing-sm);
  }
  .project-button-next, .project-button-prev {
    width: 40px;
    height: 40px;
  }
  .project-button-prev { left: 0; }
  .project-button-next { right: 0; }

  .contact-page-wrapper {
    flex-direction: column;
    gap: var(--spacing-xl);
  }
  .contact-grid {
    min-width: unset; /* Min-width kaldırıldı */
    grid-template-columns: 1fr; /* Tek sütun */
  }
  .contact-map {
    min-width: unset;
    min-height: 300px; /* Mobil harita yüksekliği */
  }
  .form-group button[type="submit"] {
    width: 100%; /* Mobil form butonu tam genişlik */
    padding: 12px 25px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .brand-grid {
    grid-template-columns: 1fr; /* Çok küçük ekranlarda tek sütun */
  }
  .grid-sizer, .grid-item {
    width: 100%; /* Tam genişlik */
  }
  .main-slider {
    height: 50vh;
    min-height: 300px;
  }
  .main-slider .slide-title { font-size: clamp(1.8rem, 8vw, 2.2rem); }
  .main-slider .slide-description { font-size: 0.85rem; }
  .cta-buttons-wrapper {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  .cta-button {
    width: 100%;
  }
  .side-contact-bar {
    left: -5px; /* Daha içeri çekildi */
  }
  .side-contact-link {
    width: 50px;
    height: 50px;
    font-size: 26px;
  }

  /* Blog Çok Küçük Mobil */
  .blog-post-card-content p {
    font-size: 0.9rem;
  }
}

/* ================================== */
/* BÜLTEN KAYIT (GELİŞMİŞ TASARIM V2) */
/* ================================== */

/* Footer'ın genel yapısını bülten formuna göre düzenleyelim */
footer {
    padding-top: 60px;
    background-color: var(--hafif-koyu-zemin);
    border-top: 1px solid var(--kenarlik-rengi);
}

.newsletter-section {
    padding: 0; /* Ana section'dan gelen boşluğu sıfırla */
    text-align: center;
    max-width: 650px;
    margin: 0 auto 40px auto;
}

.newsletter-section h3 {
    font-size: 2rem;
    color: var(--baslik-rengi);
    margin-top: 0;
}

.newsletter-section p {
    color: var(--yazi-rengi);
    margin: 0 auto 30px auto;
}

.newsletter-form {
    position: relative;
    display: flex;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input[type="email"] {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--kenarlik-rengi);
    border-radius: 50px; /* Tamamen yuvarlak kenarlar */
    font-family: var(--font-family);
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.newsletter-form input[type="email"]:focus {
    outline: none;
    border-color: var(--vurgu-rengi);
    box-shadow: 0 0 0 4px rgba(13, 110, 253, 0.2);
}

.newsletter-form button {
    position: absolute;
    right: 6px;
    top: 6px;
    bottom: 6px;
    padding: 0 25px;
    border: none;
    background-color: var(--hafif-koyu-zemin);
    color: white;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    background-color: #000;
    transform: scale(1.05);
}

/* Form bildirim mesajları */
.bulten-notice {
    font-weight: 500;
    margin-top: 20px;
    padding: 10px;
    border-radius: 5px;
    display: inline-block;
    font-size: 14px;
}
.bulten-notice.success {
    background-color: #d1e7dd;
    color: #0f5132;
}
.bulten-notice.error {
    background-color: #f8d7da;
    color: #842029;
}

/* Telif hakkı bölümünü ayıralım */
.footer-bottom {
    background: var(--koyu-zemin);
    color: var(--yazi-rengi);
    text-align: center;
    padding: 20px 0;
    margin-top: 60px;
    border-top: 1px solid var(--kenarlik-rengi);
}

/* Önce & Sonra Slider Stilleri */
.before-after-container {
    margin-bottom: 40px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}
.image-compare {
    width: 100%;
    aspect-ratio: 16 / 9; /* Resimlerin en-boy oranını sabitler */
}
.image-compare img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Canlı Arama Stilleri */
.header-icon-btn { background: none; border: none; font-size: 18px; color: var(--yazi-rengi); cursor: pointer; }
.search-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.85); z-index: 2000; display: flex; justify-content: center; align-items: flex-start; padding-top: 15vh; opacity: 0; visibility: hidden; transition: opacity 0.4s ease, visibility 0.4s; }
.search-overlay.active { opacity: 1; visibility: visible; }
.search-close-btn { position: absolute; top: 40px; right: 40px; font-size: 40px; color: #fff; background: none; border: none; cursor: pointer; }
.search-box { width: 90%; max-width: 700px; }
#search-input { width: 100%; padding: 15px 20px; font-size: 20px; border: 2px solid var(--vurgu-rengi); border-radius: 5px; background: #fff; color: #333; }
.search-results { margin-top: 20px; max-height: 60vh; overflow-y: auto; }
.search-results ul { list-style: none; padding: 0; margin: 0; }
.search-results li a { display: flex; align-items: center; padding: 10px; background: rgba(255,255,255,0.1); border-radius: 5px; margin-bottom: 10px; color: #fff; text-decoration: none; }
.search-results li a:hover { background: rgba(255,255,255,0.2); }
.search-results img { width: 50px; height: 50px; object-fit: cover; border-radius: 4px; margin-right: 15px; }
.search-results strong { display: block; font-size: 16px; }
.search-results span { font-size: 13px; opacity: 0.7; }