/* ============================================== 
   RENK PALETİ (DEĞİŞKENLER) 
   ============================================== */ 
   :root { 
    --primary-color: #0369A1; 
    --primary-hover-color: #0284C7; 
    --light-aqua-blue: #f5fcff; 
    --dark-bg: #212529; 
    --light-bg: #f8f9fa; 
    --text-dark: #031926; 
    --text-light: #ffffff; 
    --border-color: #dee2e6;
    --secondary-text-color: #2e4e6f; /* İkincil metinler için renk */
} 
  
/* ============================================== 
  GENEL GÖVDE VE METİN STİLLERİ 
  ============================================== */ 
html { 
    scroll-behavior: smooth; 
} 
body { 
    font-family: 'Montserrat', sans-serif; 
    line-height: 1.7; 
    color: var(--text-dark); 
} 
.text-muted {
    color: var(--secondary-text-color) !important;
}
section { 
    padding: 80px 0; 
    scroll-margin-top: 100px; 
} 
h1, h2, h3, h4, h5, h6 { 
    font-weight: 700; 
    color: var(--text-dark); 
} 

/* ============================================== 
  NAVİGASYON MENÜSÜ 
  ============================================== */ 
#mainNavbar {
    transition: all 0.3s ease;
}
#mainNavbar.scrolled {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}
#mainNavbar .navbar-nav .nav-link { 
    font-weight: 600; 
    padding: 1rem 0.8rem; 
    transition: color 0.3s ease; 
    position: relative; 
    font-size: 1rem;
} 
.navbar-contact-info { 
    border: 1px solid var(--border-color); 
    border-radius: 50px; 
    padding: 0.3rem 0.5rem; 
} 
.navbar-contact-info .nav-link { 
    color: var(--text-dark); 
    font-size: 0.9rem; 
    padding: 0.2rem 0.5rem; 
} 
.navbar-contact-info .nav-link:hover { 
    color: var(--primary-color); 
} 
.navbar-contact-info .nav-link .bi { 
    color: var(--primary-color); 
} 

/* Masaüstü Menü Hover Efekti */
#mainNavbar .navbar-nav .nav-link.active,
#mainNavbar .navbar-nav .nav-link:hover {
    color: var(--primary-color);
    background-color: transparent !important;
}
#mainNavbar .navbar-nav .nav-link {
    position: relative;
    overflow: hidden;
}
#mainNavbar .navbar-nav .nav-link::after {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
    border-radius: 2px;
}
#mainNavbar .navbar-nav .nav-link:hover::after,
#mainNavbar .navbar-nav .nav-link.active::after {
    transform: scaleX(0.5);
}
#mainNavbar .navbar-contact-info .nav-link::after {
    display: none;
}
  
/* MOBİL NAVİGASYON (OFFCANVAS) */ 
.navbar-toggler { 
    border: none !important; 
    box-shadow: none !important; 
    padding: 0; 
} 
.navbar-toggler .navbar-toggler-icon { 
    background-image: none; 
    position: relative; 
    height: 3px; 
    width: 28px; 
    background-color: var(--text-dark); 
    display: block; 
    transition: all 0.3s ease-in-out; 
    border-radius: 2px; 
} 
.navbar-toggler .navbar-toggler-icon::before, 
.navbar-toggler .navbar-toggler-icon::after { 
    content: ''; 
    position: absolute; 
    left: 0; 
    width: 100%; 
    height: 3px; 
    background-color: var(--text-dark); 
    transition: all 0.3s ease-in-out; 
    border-radius: 2px; 
} 
.navbar-toggler .navbar-toggler-icon::before { top: -9px; } 
.navbar-toggler .navbar-toggler-icon::after { top: 9px; } 
.navbar-toggler:not(.collapsed) .navbar-toggler-icon { background-color: transparent; } 
.navbar-toggler:not(.collapsed) .navbar-toggler-icon::before { transform: translateY(9px) rotate(45deg); } 
.navbar-toggler:not(.collapsed) .navbar-toggler-icon::after { transform: translateY(-9px) rotate(-45deg); } 
.offcanvas-end { --bs-offcanvas-width: 75vw; }
.offcanvas-body .navbar-nav .nav-item { text-align: left; } 
.offcanvas-body .navbar-nav .nav-link { 
    color: #000; 
    padding: 0.5rem 1.5rem; 
    font-weight: 500;
    font-size: 1.2rem;
} 
.offcanvas-body .navbar-nav .nav-item:first-child .nav-link { padding-top: 0; }
.offcanvas-body .navbar-nav .nav-link:hover, 
.offcanvas-body .navbar-nav .nav-link.active { 
    color: var(--primary-color); 
    background-color: transparent !important; 
} 
.offcanvas-body .navbar-nav .nav-link::after { display: none; } 
.offcanvas-backdrop.show { 
    background-color: black; 
    opacity: 0.5; 
}

/* ============================================== 
  HERO & PAGE BANNER 
  ============================================== */ 
#hero, .page-banner { 
    position: relative; 
    background-size: cover; 
    background-position: center; 
    background-repeat: no-repeat; 
    color: #fff; 
    min-height: 85vh;
    overflow: hidden;
} 
.page-banner {
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.page-banner::before { 
    content: ''; 
    position: absolute; 
    top: 0; left: 0; right: 0; bottom: 0; 
    background-color: rgba(10, 25, 47, 0.6); 
    z-index: 1; 
} 
.page-banner h1, .page-banner p { 
    color: #fff; 
} 
.page-banner .lead {
    font-size: 1.1rem; 
    font-weight: 300; 
}

/* ============================================== 
  GENEL BİLEŞENLER
  ============================================== */ 
.btn { border-radius: 50px; padding: 12px 30px; font-weight: 600; transition: all 0.3s ease; } 
.btn-primary { background-color: var(--primary-color); border-color: var(--primary-color); } 
.btn-primary:hover { background-color: var(--primary-hover-color); border-color: var(--primary-hover-color); transform: translateY(-2px); } 
.btn-outline-primary { color: var(--primary-color); border-color: var(--primary-color); } 
.btn-outline-primary:hover, .btn-outline-primary.active { background-color: var(--primary-color); color: #fff; } 
.service-card-new .icon-box { 
    width: 70px; height: 70px; margin: 0 auto 20px; 
    background-color: var(--primary-color); 
    color: #fff; border-radius: 50%; border: none; 
    display: flex; align-items: center; justify-content: center; 
    font-size: 2rem; 
} 
.whatsapp-fab {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 1000;
}
.whatsapp-fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    color: #FFF;
}

/* ============================================== 
  ANA SAYFA BÖLÜMLERİ
  ============================================== */ 
#neden-biz .pre-title { color: var(--primary-color); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; } 
#neden-biz .video-container { height: 600px; }
#slideshow-container { position: relative; }
.slideshow-image {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover; opacity: 0; transition: opacity 0.7s ease-in-out;
}
.slideshow-image.active { opacity: 1; }
.accordion-item { background-color: transparent; border: none; border-bottom: 1px solid var(--border-color); } 
.accordion-button { 
   font-weight: 700; font-size: 1.2rem; 
   color: var(--primary-color); 
   background-color: transparent !important; padding: 1.5rem 0; box-shadow: none !important; 
} 
.accordion-button:not(.collapsed) { color: var(--primary-color); } 
.accordion-button::after { display: none; } 
.accordion-button::before { 
   content: '\002B'; font-size: 1.5rem; font-weight: 300; 
   margin-right: 1rem; transition: transform 0.3s ease; 
} 
.accordion-button:not(.collapsed)::before { content: '\2212'; transform: rotate(360deg); } 
.gallery-card {
    position: relative; overflow: hidden; border-radius: 0;
    height: 400px; box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.gallery-card .gallery-img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.4s ease-out;
}
.gallery-card:hover .gallery-img { transform: scale(1.1); }

/* ============================================== 
   HİZMETLERİMİZ SAYFASI
   ============================================== */
.services-modern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.service-grid-item {
    background-color: #fff; padding: 0; padding-bottom: 2rem;
    border-radius: 12px; box-shadow: 0 4px 25px rgba(0, 0, 0, 0.05);
    text-align: center; overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-grid-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}
.card-image-top {
    height: 200px; border-radius: 8px; overflow: hidden;
    margin-bottom: 1.5rem; position: relative; background-color: #e9ecef;
}
.card-image-top img,
.card-image-top video {
    width: 100%; height: 100%; object-fit: cover; display: block;
    opacity: 0; transition: opacity 0.5s ease-in-out;
}
.service-grid-item:hover .card-image-top img,
.service-grid-item:hover .card-image-top video {
    transform: scale(1.05);
}
.service-grid-item h4,
.service-grid-item p { padding: 0 2rem; }

/* ============================================== 
  FOOTER 
  ============================================== */ 
footer { background-color: var(--dark-bg) !important; color: #f8f9fa; padding-top: 80px; } 
footer h5 { color: var(--text-light); } 
footer a { color: rgba(255, 255, 255, 0.8); text-decoration: none; transition: color 0.3s ease; } 
footer a:hover { color: #f8f9fa; text-decoration: underline; }

/* ============================================== 
   YÜKLENİYOR ANİMASYONLARI (SADECE KART İÇİ)
   ============================================== */
@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}
/* Kart içi spinner */
.loading-spinner {
    position: absolute; top: 50%; left: 50%;
    width: 40px; height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transition: opacity 0.3s ease;
    z-index: 5;
}
.card-image-top.loaded .loading-spinner {
    opacity: 0;
    visibility: hidden;
}
.card-image-top.loaded img,
.card-image-top.loaded video {
    opacity: 1;
}

/* ============================================== 
   RESPONSIVE (MOBİL UYUMLULUK)
   ============================================== */
@media (max-width: 991.98px) {
    #mainNavbar .offcanvas-body {
      display: flex; flex-direction: column;
      align-items: stretch; width: 100%;
    }
    .offcanvas-header {
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 0.5rem;
    }
    .offcanvas-body { padding: 1rem; }
    #neden-biz .video-container { height: 300px; }
    #neden-biz .why-us-text-col { padding: 1.5rem; margin-top: 2rem; }
    #galeri-anasayfa .gallery-card { height: 250px; }
}
@media (min-width: 992px) {
    #mainNavbar .offcanvas-body {
      display: flex; align-items: center;
      justify-content: space-between; width: 100%;
    }
}
@media (max-width: 767.98px) {
    #hero .lead { font-size: 1.1rem; }
    .service-grid-item p { font-size: 0.9rem; }
    .gallery-card { height: 250px; }
}