/* =========================================
   GENEL AYARLAR VE RENKLER
   ========================================= */
:root {
    --primary: #0066cc;       
    --primary-dark: #004c99; 
    --text-dark: #111827;     
    --text-white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.15); 
    --glass-blur: blur(20px); 
    --font-main: 'Inter', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: 0.3s; }

body { font-family: var(--font-main); overflow-x: hidden; background-color: #f3f4f6; }

/* =========================================
   HEADER VE NAVİGASYON 
   ========================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding-top: 25px;
    transition: padding 0.4s ease; 
}

.nav-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    transition: max-width 0.4s ease;
}

/* NAVBAR İÇİ  */
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0; 
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    transition: background 0.4s ease, box-shadow 0.4s ease, height 0.4s ease;
}

/* --- LOGO --- */
.logo {
    font-size: 24px;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--text-white); 
    white-space: nowrap;
}
.logo span { color: var(--primary); } 

/* --- MENÜ LİNKLERİ --- */
.nav-menu ul {
    display: flex;
    gap: 30px; 
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-menu > ul > li { position: relative; } 

.nav-menu > ul > li > a {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-white); 
    padding: 10px 0;
    display: block;
}

.arrow-down { font-size: 10px; margin-left: 4px; vertical-align: middle; }

/* =========================================
   AÇILIR MENÜ (DAHA ZARİF VE SIKI)
   ========================================= */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px); /* Hafif aşağıdan gelsin */
    
    background: #ffffff;
    min-width: 220px; /* Genişliği biraz kıstık, daha kibar dursun */
    border-radius: 12px;
    
    /* Daha modern ve yumuşak bir gölge */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1); 
    border: 1px solid rgba(0,0,0,0.04); /* Çok ince çerçeve */
    
    padding: 6px 0; /* Menünün alt ve üst boşluğunu azalttık */
    
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
    z-index: 999;
}

/* Link Ayarları - DAHA YAKIN VE KİBAR */
.dropdown-menu li a {
    color: #4b5563 ; /* Koyu Gri */
    
    /* BURASI DEĞİŞTİ: Boşlukları azalttık (Daha yakın olması için) */
    padding: 10px 20px ; 
    
    font-size: 14px;
    font-weight: 500;
    text-align: left ;
    border-bottom: none ;
    display: block;
    width: 100%;
    transition: all 0.2s ease;
}

/* Mouse Üzerine Gelince (Hover) - MİNİMAL EFEKT */
.dropdown-menu li a:hover {
    background: #f9fafb;       /* Çok hafif gri */
    color: #0066cc ; /* Mavi yazı */
    padding-left: 24px ; /* Hafifçe sağa kaysın (Çok abartmadan) */
}

/* Menü Görünürlüğü */
.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* === AKTİF LİNK AYARLARI === */

/* Ana menü alt çizgisi */
.nav-menu ul li a.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background-color: #0066cc;
    border-radius: 2px;
}

/* Dropdown içindeki aktif link (Çizgi yok, yazı mavi) */
.dropdown-menu li a.active::after {
    display: none ; 
}

.dropdown-menu li a.active {
    color: #0066cc ;
    background: #f3f4f6; 
}
.nav-cta {
    background: var(--primary);
    color: #fff ;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
}
.nav-cta:hover { 
    background: var(--primary-dark); 
    transform: translateY(-2px); 
}

/* =========================================
   STICKY (AŞAĞI KAYINCA) MODU
   ========================================= */

.site-header.sticky {
    padding-top: 0; 
}

.site-header.sticky .nav-shell {
    max-width: 100%; 
    padding: 0;
}

.site-header.sticky .nav-inner {
    height: 80px;
    padding: 0 40px; 
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.site-header.sticky .logo { color: var(--text-dark); }
.site-header.sticky .nav-menu > ul > li > a { color: var(--text-dark); }

/* =========================================
   MOBİL MENÜ (HAMBURGER ICON)
   ========================================= */
.mobile-toggle {
    display: none;          /* Masaüstünde gizli */
    cursor: pointer;
    width: 30px;            /* İkon genişliği */
    height: 20px;           /* İkon yüksekliği */
    position: relative;
    z-index: 1001;          /* En üstte */
    background: transparent;
    border: none;
}

/* --- 3 ÇİZGİNİN ORTAK AYARLARI --- */
.mobile-toggle span,
.mobile-toggle span::before,
.mobile-toggle span::after {
    display: block;
    background-color: #ffffff; /* Varsayılan renk: BEYAZ */
    width: 100%;
    height: 3px;            /* Çizgi kalınlığı */
    border-radius: 3px;     /* Köşeleri yumuşat */
    position: absolute;
    transition: all 0.3s ease-in-out; /* Animasyon hızı */
    content: '';
}

/* Orta Çizgi */
.mobile-toggle span {
    top: 50%;
    transform: translateY(-50%);
}

/* Üst Çizgi */
.mobile-toggle span::before {
    top: -9px; /* Yukarı mesafe */
}

/* Alt Çizgi */
.mobile-toggle span::after {
    top: 9px; /* Aşağı mesafe */
}

/* --- STICKY MOD (AŞAĞI KAYINCA) RENK DEĞİŞİMİ --- */
.site-header.sticky .mobile-toggle span,
.site-header.sticky .mobile-toggle span::before,
.site-header.sticky .mobile-toggle span::after {
    background-color: #111827; /* Koyu Gri/Siyah olsun */
}

/* --- AKTİF OLUNCA (MENÜ AÇILINCA "X" OLSUN) --- */
/* Not: Javascript ile .mobile-toggle'a 'active' class'ı eklenmeli */
.mobile-toggle.active span {
    background-color: transparent; /* Ortadaki çizgi kaybolur */
}

.mobile-toggle.active span::before {
    top: 0;
    transform: rotate(45deg); /* Çarpı için döndür */
    background-color: #111827; /* Açılınca koyu renk olsun */
}

.mobile-toggle.active span::after {
    top: 0;
    transform: rotate(-45deg); /* Çarpı için ters döndür */
    background-color: #111827;
}

/* --- MEDYA SORGUSU --- */
@media (max-width: 968px) {
    .nav-menu, .nav-cta { display: none; } 
    .mobile-toggle { display: block; }
    .nav-inner { padding: 0 20px; }
}
/* =========================================
   HERO SLIDER AYARLARI
   ========================================= */

.hero-slider {
    position: relative;
    width: 100%;
    height: 100vh; 
    overflow: hidden;
    background-color: #333; 
}
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0; 
    transition: opacity 1s ease-in-out; 
    z-index: 1;
}
.slide.active {
    opacity: 1;
    z-index: 2;
}
.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4); 
    display: flex;
    flex-direction: column;
    justify-content: center; 
    align-items: center;    
    text-align: center;
    color: #fff;
    padding: 20px;
}
.slide-content {
    width: 100%;
    max-width: 1200px;
    height: 100%;           /* Yüksekliği garantiye alalım */
    display: flex;
    flex-direction: column; /* Alt alta diz */
    align-items: center;    /* Yatayda tam ortala */
    justify-content: center;/* Dikeyde tam ortala */
    text-align: center;
    margin: 0 auto;
    padding: 0 20px;
    gap: 30px;
    font-size:30px;
}

.slide-content p {
    margin-left: auto;  /* Sol boşluk otomatik */
    margin-right: auto; /* Sağ boşluk otomatik */
    font-size:20px;
}

.slide-btn {
    display: inline-flex; 
    justify-content: center;
    gap: 8px; 
    padding: 14px 36px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.1); 
    border: 1px solid rgba(255, 255, 255, 0.6); 
    color: #fff; 
    font-weight: 500;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-decoration: none;
    backdrop-filter: blur(4px); 
    animation: slideUp 1.4s ease forwards; 
}
.slide-btn::after {
    content: '→';
    font-size: 16px;
    transition: transform 0.3s ease;
}

.slide-btn:hover {
    background: #ffffff;     
    color: #111827;          
    border-color: #ffffff;
    transform: translateY(-3px); 
    box-shadow: 0 10px 20px rgba(0,0,0,0.15); 
}


.slide-btn:hover::after {
    transform: translateX(5px);
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1); 
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    
    font-size: 20px; 
    cursor: pointer;
    z-index: 10; 
    transition: all 0.3s ease;
}

.slider-arrow:hover {
    background: #ffffff;
    color: #111827;
    transform: translateY(-50%) scale(1.1); 
}

.prev { left: 30px; }
.next { right: 30px; }

@keyframes slideUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* MOBİL AYARI */
@media (max-width: 768px) {
    .slide-content h2 { font-size: 2rem; }
    .slide-content p { font-size: 1rem; }
    .slide-btn { padding: 12px 30px; font-size: 12px; }
    .slider-arrow { width: 40px; height: 40px; font-size: 18px; } 
}



/* =========================================
   KAYAN YAZI ŞERİDİ (GLASS MARQUEE)
   ========================================= */


.hero-marquee {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: rgba(255, 255, 255, 0.1); 
    backdrop-filter: blur(10px);    
    -webkit-backdrop-filter: blur(10px); 
    z-index: 20; 
    overflow: hidden;
    display: flex;
    align-items: center;
}

.marquee-track {
    display: flex;
    width: 200%; 
    animation: marqueeScroll 20s linear infinite; 
}

.marquee-content {
    display: flex;
    width: 50%;
    justify-content: space-around; 
}

.marquee-content span {
    color: #ffffff;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px; 
    white-space: nowrap;
    opacity: 0.9;
    padding: 0 40px; 
}

@keyframes marqueeScroll {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); } 
}

@media (max-width: 768px) {
    .hero-marquee { height: 40px; }
    .marquee-content span { font-size: 11px; padding: 0 20px; }
}

* =========================================
   HİZMETLERİMİZ BÖLÜMÜ 
   ========================================= */

.services-section {
    padding: 80px 0;
    background-color: #f8f9fa; 
}

.grid-shell {
    max-width: 1200px; 
    margin: 0 auto;    
    padding: 0 20px;   
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 800;
    color: #0066cc;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.services-grid-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px; 
    justify-content: center;
}

.service-card {
    background: #ffffff;
    border-radius: 16px; 
    overflow: hidden;    
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); 
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    border: none;
}

.service-card:hover {
    transform: translateY(-8px); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.1); 
}

.card-img-holder {
    width: 100%;
    height: 240px; 
    overflow: hidden;
}

.card-img-holder img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    transition: transform 0.5s ease;
}


.service-card:hover .card-img-holder img {
    transform: scale(1.05);
}
.card-info {
    padding: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-info h3 {
    font-size: 18px;
    font-weight: 700;
    color: #111827; 
    margin: 0;
    position: relative;
    padding-bottom: 12px;
    transition: color 0.3s ease;
}

.card-info h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0; 
    height: 3px;
    background-color: #0066cc; 
    transition: width 0.3s ease; 
    border-radius: 2px;
}

.service-card:hover h3 {
    color: #0066cc; 
}

.service-card:hover h3::after {
    width: 60px; 
}

.details-link {
    font-size: 13px;
    color: #9ca3af; 
    font-weight: 500;
}


@media (max-width: 1024px) {
    .services-grid-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
}


@media (max-width: 768px) {
    .services-grid-wrapper {
        grid-template-columns: 1fr; 
    }
    
    .grid-shell {
        padding: 0 15px;
    }
}
/* =========================================
   NEDEN BİZ BÖLÜMÜ (GÜNCEL)
   ========================================= */
.why-us-section {
    position: relative;
    padding: 60px 0; 
    background-image: url('../images/biz-kimiz.jpg'); 
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #ffffff;
    overflow: hidden;
}

.why-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 1;
}

.why-container {
    position: relative;
    z-index: 2;
    display: block; 
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.why-card {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 35px 25px;
    background: rgba(255, 255, 255, 0.03); 
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.why-card:hover {
    transform: translateY(-5px);
    border-color: #0066cc;
    background: rgba(255, 255, 255, 0.08);
}



.why-card h3 {
    font-size: 19px;
    margin-bottom: 10px;
    font-weight: 700;
    color: #ffffff;
}

.why-card p {
    font-size: 14px;
    opacity: 0.8;
    line-height: 1.6;
    color: #e5e7eb;
}

@media (max-width: 1024px) {
    .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .why-grid { grid-template-columns: 1fr; }
}


/* =========================================
   MODERN FOOTER TASARIMI
   ========================================= */

.site-footer {
    background-color: #0f172a; 
    color: #94a3b8;            
    font-size: 14px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-wrapper {
    padding: 60px 0 20px; 
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 22px;
    font-weight: 800;
    color: #ffffff;
    text-transform: uppercase;
    text-decoration: none;
    display: block;
    margin-bottom: 15px;
}
.footer-logo span { color: #0066cc; }

.brand-col p {
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 13px;
    max-width: 280px; 
}

.social-links {
    display: flex;
    gap: 15px;
}
.social-links a {
    color: #ffffff;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.6;
    transition: 0.3s;
}
.social-links a:hover { opacity: 1; color: #0066cc; }

.footer-col h3 {
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.footer-links {
    padding: 0;
    margin: 0;
}

.footer-links li {
    list-style: none;
    margin-bottom: 10px;
}

.footer-links li a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links li a:hover {
    color: #0066cc;
    transform: translateX(5px); 
}

.contact-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 13px;
    align-items: flex-start;
}

.contact-item span {
    color: #0066cc;
    font-weight: 700;
    min-width: 15px;
}

.contact-item p, 
.contact-item a {
    margin: 0;
    color: #94a3b8;
    text-decoration: none;
    line-height: 1.5;
    transition: 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    opacity: 0.6;
}

.bottom-links {
    display: flex;
    gap: 20px;
}
.bottom-links a {
    color: inherit;
    text-decoration: none;
}

.footer-bottom-right{
    display: flex;
    align-items: center;
    gap: 18px;
}

.designed-by{
    color: inherit;
    text-decoration: none;
    opacity: 0.6;
    font-size: 12px;
    white-space: nowrap;
    transition: 0.3s;
}

.designed-by strong{
    color: #ffffff;
    font-weight: 700;
}

.designed-by:hover{
    opacity: 1;
    color: #0066cc;
}


/* MOBİL AYARI */
@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* =========================================
   HİZMET SAYFALARI ÖZEL TASARIMI
   ========================================= */

body.service-page .site-header .logo { color: #111827; }
body.service-page .site-header .nav-menu > ul > li > a { color: #111827; text-shadow: none; }
body.service-page .site-header .mobile-toggle { color: #111827; }

.services-banner-section {
    padding-top: 130px; 
    padding-bottom: 50px;
    background-color: #f9fafb; 
}

.services-banner-box {
    position: relative;
    width: 100%;
    height: 400px; 
    border-radius: 30px; 
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; 
    background-repeat: no-repeat;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25); 
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.services-banner-box .sb-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.75); 
    z-index: 0;
}

/* =========================================
   HİZMET DETAY SAYFASI İÇERİK TASARIMI 
   ========================================= */

.services-content-section {
    padding: 80px 0;
    background-color: #ffffff;
}

.details-container {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 60px; 
    align-items: center;
}

.details-subtitle {
    display: block;
    color: var(--primary); 
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.details-text h2 {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.2;
    color: #111827; 
    margin-bottom: 25px;
}

.text-body p {
    font-size: 16px;
    line-height: 1.7;
    color: #6b7280; 
    margin-bottom: 20px;
}

.text-body strong {
    color: #374151;
    font-weight: 700;
}

.box-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 30px;
}

.box-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: #f9fafb;
    border: 1px solid #f3f4f6;
    border-radius: 12px;
    padding: 16px 20px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.box-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    background-color: #ffffff;
    border-color: #e5e7eb;
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: #007bff; 
    color: #ffffff;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 900;
    flex-shrink: 0;
}

.box-item p {
    margin: 0;
    font-size: 15px;
    color: #374151;
    font-weight: 500;
}

.box-item p strong {
    color: #111827;
    font-weight: 800;
}
/* =========================================
   BANNER YAZI RENKLERİ (DÜZELTME)
   ========================================= */


.sb-content h1 {
    font-size: 46px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 15px;
    z-index: 10000;
    color: #ffffff ; 
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    
}


.sb-breadcrumb a {
    color: #ffffff ; 
    text-decoration: none;
    transition: 0.3s;
    font-weight: 600;
    z-index: 10000;
}

.sb-breadcrumb a:hover {
    color: #ffffff ; 
    z-index: 10000;
}

.sb-breadcrumb span.current {
    color: #ffffff ; 
    font-weight: 800;
    z-index: 10000;
}

.sb-breadcrumb span {
    color: rgba(255, 255, 255, 0.6) ;
    z-index: 10000;
}

/* =========================================
   GALERİ SENARYOLARI 
   ========================================= */


.details-gallery {
    display: grid;
    gap: 15px;
    width: 100%;
}

.details-gallery .img-box {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: relative;
}

.details-gallery .img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    cursor: zoom-in;
}

.details-gallery .img-box:hover img {
    transform: scale(1.05);
}

.details-gallery.gallery-1 {
    grid-template-columns: 1fr;
}
.details-gallery.gallery-1 .img-box {
    height: 450px;
}

.details-gallery.gallery-2 {
    grid-template-columns: 1fr 1fr;
}
.details-gallery.gallery-2 .img-box {
    height: 350px;
}

.details-gallery.gallery-3 {
    grid-template-columns: 1.3fr 1fr; 
    grid-template-rows: 200px 200px;  
}
.details-gallery.gallery-3 .img-box:nth-child(1) {
    grid-row: 1 / 3; 
    height: 100%;
}

.details-gallery.gallery-4 {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 200px;
}


.details-gallery.gallery-5 {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 180px; 
}
.details-gallery.gallery-5 .img-box:nth-child(1) {
    grid-column: 1 / -1; 
    height: 280px;       
}


.details-gallery.gallery-6 {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 180px;
}


.details-gallery.gallery-7 {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 160px;
}
.details-gallery.gallery-7 .img-box:nth-child(1) {
    grid-column: 1 / -1;
    height: 280px;
}

.details-gallery.gallery-8 {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 160px;
}

@media (max-width: 900px) {
    .details-container {
        grid-template-columns: 1fr; 
        gap: 40px;
    }

    .details-gallery[class*="gallery-"] {
        grid-template-columns: 1fr ;
        grid-template-rows: auto ;
        grid-auto-rows: auto ;
    }
    
    .details-gallery .img-box {
        height: 250px ;
        width: 100% ;
    }
    
    .details-text h2 {
        font-size: 28px;
    }
}

.lightbox {
    display: none; 
    position: fixed;
    z-index: 2000; 
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9); 
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.lightbox-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(255,255,255,0.1);
    animation: zoomIn 0.3s ease; 
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
    z-index: 2001;
}

.close-lightbox:hover {
    color: #bbb;
}

@keyframes zoomIn {
    from {transform: scale(0.8); opacity: 0;}
    to {transform: scale(1); opacity: 1;}
}

/* =========================================
   HAKKIMIZDA SAYFASI TASARIMI
   ========================================= */

.about-content-section {
    padding: 80px 0;
    background-color: #ffffff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr; 
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
}

.about-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.15);
    transition: transform 0.5s ease;
}

.about-img:hover img {
    transform: scale(1.03); 
}

.features-wrapper h3 {
    text-align: center;
    font-size: 28px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 40px;
    text-transform: uppercase;
}


.features-grid {
    display: flex;
    flex-wrap: wrap; 
    justify-content: center; 
    gap: 30px;
    margin-bottom: 80px;
}

.feature-box {
    background: #f9fafb;
    padding: 30px;
    border-radius: 16px;
    border: 1px solid #f3f4f6;
    transition: all 0.3s ease;
    flex: 1 1 300px;
    max-width: 380px;
    display: flex;
    flex-direction: column;
}

.feature-box:hover {
    background: #ffffff;
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
    transform: translateY(-5px);
    border-color: #e5e7eb;
}

.f-icon {
    font-size: 32px;
    margin-bottom: 15px;
}

.feature-box h4 {
    font-size: 18px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 10px;
}

.feature-box p {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

.mv-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.mv-card {
    padding: 40px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.mv-card.mission {
    background-color: #eff6ff; 
    border: 1px solid #dbeafe;
}

.mv-card.vision {
    background-color: #f0fdf4; 
    border: 1px solid #dcfce7;
}

.mv-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.mv-icon {
    font-size: 28px;
}

.mv-card h3 {
    font-size: 24px;
    font-weight: 900;
    color: #111827;
    letter-spacing: 1px;
    margin: 0;
}

.mv-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: #0066cc; 
    margin-bottom: 15px;
    text-transform: uppercase;
}

.mv-card p {
    font-size: 15px;
    line-height: 1.8;
    color: #374151;
    margin: 0;
}


@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr; 
        gap: 40px;
    }
    
    .mv-wrapper {
        grid-template-columns: 1fr; 
    }
    
    .mv-card { padding: 30px; }
}
/* =========================================
   MODERN GALERİ SAYFASI TASARIMI
   ========================================= */

.gallery-section {
    padding: 60px 0 100px;
    background-color: #ffffff;
}

.gallery-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* --- 1. BÜYÜK SAHNE (MAIN STAGE) --- */
.gallery-stage {
    position: relative;
    width: 100%;
    height: 550px; /* Büyük resim yüksekliği */
    border-radius: 24px;
    overflow: hidden;
    background-color: #000; /* Resim yüklenirken siyah dursun */
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-stage img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Resmi alana doldur */
    /* object-fit: contain; <-- Eğer resmin tamamı görünsün, kesilmesin dersen bunu kullan */
    transition: opacity 0.4s ease-in-out;
}

/* İleri/Geri Okları */
.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff;
    font-size: 24px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    backdrop-filter: blur(5px);
    transition: 0.3s;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-nav:hover {
    background: #ffffff;
    color: #0066cc;
    transform: translateY(-50%) scale(1.1);
}

.prev-btn { left: 20px; }
.next-btn { right: 20px; }

/* Sayaç (1 / 50) */
.image-counter {
    position: absolute;
    bottom: 20px;
    right: 30px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    backdrop-filter: blur(4px);
    letter-spacing: 1px;
}

/* --- 2. KÜÇÜK RESİM ŞERİDİ (THUMBNAILS) --- */
.gallery-thumbnails {
    display: flex;
    gap: 12px;
    overflow-x: auto; /* Yatay kaydırma */
    padding: 10px 5px;
    scroll-behavior: smooth;
    
    /* Scrollbar'ı gizle ama kaydırmaya izin ver (Modern görünüm) */
    scrollbar-width: thin; 
    scrollbar-color: #0066cc #f1f1f1;
}

/* Webkit Scrollbar Stili */
.gallery-thumbnails::-webkit-scrollbar {
    height: 6px;
}
.gallery-thumbnails::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}
.gallery-thumbnails::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 10px;
}
.gallery-thumbnails::-webkit-scrollbar-thumb:hover {
    background: #0066cc;
}

/* Tekil Küçük Resim */
.thumb-item {
    width: 120px;       /* Genişlik */
    height: 80px;       /* Yükseklik */
    object-fit: cover;
    border-radius: 10px;
    cursor: pointer;
    opacity: 0.6;       /* Pasifken soluk */
    transition: all 0.3s ease;
    border: 2px solid transparent;
    flex-shrink: 0;     /* Sıkışmayı engelle */
}

/* Aktif veya Üzerine Gelinmiş Küçük Resim */
.thumb-item:hover {
    opacity: 1;
    transform: translateY(-3px);
}

.thumb-item.active {
    opacity: 1;
    border-color: #0066cc; /* Seçili olanın çevresi mavi */
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

/* MOBİL AYARI */
@media (max-width: 768px) {
    .gallery-stage { height: 300px; border-radius: 16px; }
    .gallery-nav { width: 40px; height: 40px; font-size: 18px; }
    .thumb-item { width: 80px; height: 60px; }
}
/* =========================================
   GALERİ TAM EKRAN VE BUTON AYARLARI
   ========================================= */

/* Tam Ekran Butonu */
.gallery-fullscreen-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5); /* Yarı saydam siyah */
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 50%; /* Yuvarlak */
    cursor: pointer;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

.gallery-fullscreen-btn:hover {
    background: #0066cc; /* Hover olunca mavi */
    border-color: #0066cc;
    transform: scale(1.1);
}

/* === TAM EKRAN MODU (Javascript bu sınıfı ekler) === */
.gallery-stage.is-fullscreen {
    position: fixed; /* Sayfadan bağımsız yap */
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999; /* En üstte olsun */
    border-radius: 0; /* Köşeleri düzle */
    background-color: #000; /* Arka plan tam siyah */
}

/* Tam ekrandayken resim sığsın (Kesilmesin) */
.gallery-stage.is-fullscreen img {
    object-fit: contain; 
}

/* Tam ekrandayken butonlar daha belirgin olsun */
.gallery-stage.is-fullscreen .gallery-nav {
    width: 60px;
    height: 60px;
    font-size: 30px;
    background: rgba(255,255,255,0.1);
}
/* =========================================
   İLETİŞİM SAYFASI TASARIMI
   ========================================= */

.contact-section {
    padding: 80px 0;
    background-color: #ffffff;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr; /* Sağ taraf biraz daha geniş */
    gap: 60px;
    
    /* === HİZALAMA DÜZELTMESİ === */
    align-items: center; /* Bu kod, sağı ve solu dikeyde ortalar */
}

/* --- SOL: BİLGİ KUTULARI --- */
.contact-desc {
    color: #6b7280;
    margin-bottom: 40px;
    line-height: 1.6;
}

.info-cards {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 20px;
    border-radius: 12px;
    background-color: #f9fafb;
    border: 1px solid #f3f4f6;
    transition: 0.3s;
}

.info-item:hover {
    background-color: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: #e5e7eb;
    transform: translateX(5px);
}

.icon-box {
    width: 50px;
    height: 50px;
    background-color: #eff6ff;
    color: #0066cc; /* Mavi İkon */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.info-text h4 {
    font-size: 16px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 5px;
}

.info-text p, .info-text a {
    font-size: 14px;
    color: #4b5563;
    margin: 0;
    text-decoration: none;
    line-height: 1.5;
}

.info-text a:hover {
    color: #0066cc;
}

/* --- SAĞ: FORM ALANI --- */
.contact-form-area {
    background: #ffffff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08); /* Şık gölge */
    border: 1px solid #f1f1f1;
}

.contact-form-area h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 25px;
    color: #111827;
}

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

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    background-color: #f9fafb;
    font-size: 14px;
    font-family: inherit;
    transition: 0.3s;
    outline: none;
}

.form-group input:focus, 
.form-group textarea:focus {
    background-color: #ffffff;
    border-color: #0066cc; /* Mavi odaklanma */
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

/* Gönder Butonu */
.submit-btn {
    background-color: #0066cc;
    color: #ffffff;
    border: none;
    padding: 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s;
    margin-top: 10px;
}

.submit-btn:hover {
    background-color: #004c99; /* Koyu Mavi */
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 102, 204, 0.2);
}

/* --- HARİTA --- */
.map-section {
    width: 100%;
    line-height: 0; /* Boşluk oluşmaması için */
    margin-bottom: -5px; /* Footer ile birleşsin */
}

.map-section iframe {
    filter: grayscale(20%); /* Haritayı biraz grileştirir (Daha modern durur) */
    transition: 0.5s;
}

.map-section iframe:hover {
    filter: grayscale(0%); /* Üstüne gelince renklenir */
}

/* MOBİL AYARI */
@media (max-width: 900px) {
    .contact-wrapper {
        grid-template-columns: 1fr; /* Alt alta */
        gap: 50px;
    }
    
    .form-row {
        grid-template-columns: 1fr; /* Mobilde inputlar alt alta */
    }
    
    .contact-form-area { padding: 25px; }
}
/* =========================================
   REFERANSLAR SAYFASI TASARIMI
   ========================================= */

.references-section {
    padding: 80px 0;
    background-color: #ffffff;
}

/* --- LOGO IZGARASI (CLIENTS GRID) --- */
.clients-grid {
    display: grid;
    /* Ekran boyutuna göre otomatik sığdır (Min 180px) */
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.client-box {
    height: 120px; /* Logo kutusu yüksekliği */
    border: 1px solid #f3f4f6;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: #fff;
    transition: all 0.3s ease;
    
    /* İsteğe bağlı: Logoları kutuya sığdırmak için */
    overflow: hidden;
}

.client-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain; /* Resmi bozmadan sığdır */
    
    /* Siyah Beyaz Efekti (Modern Görünüm) */
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s ease;
}

/* Hover Efekti: Kutu kalkar, logo renklenir */
.client-box:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-color: #e5e7eb;
    transform: translateY(-5px);
}

.client-box:hover img {
    filter: grayscale(0%); /* Renkli hale gel */
    opacity: 1;
}
/* style.css en altına ekle */

/* Mobilde menü varsayılan olarak gizlidir */
@media (max-width: 968px) {
    .nav-menu {
        display: none; /* Gizli */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        flex-direction: column;
    }

    /* JavaScript .active sınıfını ekleyince GÖRÜNÜR olsun */
    .nav-menu.active {
        display: flex; /* Görünür */
    }

    .nav-menu ul {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-menu ul li a {
        color: #333; /* Mobilde yazı siyah olsun */
        padding: 15px 0;
        border-bottom: 1px solid #eee;
    }
}