:root {
    --primary-color: #0066ff;
    --primary-hover: #0052cc;
    --dark-bg: #060a17;
    --card-dark: #0b132b;
    --light-bg: #f8fafc;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Poppins', sans-serif; background-color: var(--light-bg); color: var(--text-dark); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { width: 100%; height: 100%; object-fit: cover; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-blue { color: var(--primary-color); }
.mt-4 { margin-top: 1.5rem; }
.w-100 { width: 100%; justify-content: center; }
/* MOBİL CİHAZLARDA ARKA PLANI BEYAZ YAP */
@media (max-width: 768px) {
    body, 
    main,
    section,
    .main-container,
    .gallery-section,
    .services-section,
    .about-section {
        background-color: #ffffff !important;
        background: #ffffff !important;
    }
}
/* UTILITY BUTTONS */
.btn-primary { 
    background: var(--primary-color); 
    color: var(--white); 
    padding: 12px 24px; 
    border-radius: 6px; 
    font-weight: 600; 
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 4px 15px rgba(0,102,255,0.4); }

/* 1. HEADER (KOYU BACKGROUND) */
.header { 
    position: fixed; 
    top: 0; 
    left: 0; 
    width: 100%; 
    z-index: 1000; 
    background: var(--dark-bg); 
    border-bottom: 1px solid rgba(255, 255, 255, 0.1); 
}
/* ==========================================================================
   BREADCRUMB STİLLERİ
   ========================================================================== */
.breadcrumb-section {
    background: linear-gradient(rgba(6, 10, 23, 0.85), rgba(6, 10, 23, 0.85)), url('https://images.unsplash.com/photo-1617814076367-b759c7d7e738?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    padding: 150px 0;
    text-align: center;
    color: #ffffff;
}

.breadcrumb-content h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}
/* ==========================================================================
   HİZMET DETAY SAYFASI STİLLERİ
   ========================================================================== */
.service-detail-section {
    padding: 60px 0;
    background-color: #ffffff;
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 340px; /* Sol Taraf Geniş, Sağ Taraf Sabit 340px */
    gap: 40px;
}

/* Sol Taraf: İçerik */
.service-main-content {
    background: #ffffff;
}

.service-image-box {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.service-image-box img {
    width: 100%;
    max-height: 450px;
    object-fit: cover;
    display: block;
}

.service-title {
    font-size: 28px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 15px;
}

.service-description {
    font-size: 15px;
    line-height: 1.8;
    color: #475569;
}

/* Sağ Taraf: Sidebar Widgets */
.service-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 25px;
}

.widget-title {
    font-size: 18px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid #e2e8f0;
}

.widget-title i {
    color: #0066ff;
}

/* Diğer Hizmetler Listesi */
.other-services-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.other-services-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: #1e293b;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
}

.other-services-list li a:hover {
    background: #0066ff;
    color: #ffffff;
    border-color: #0066ff;
    padding-left: 20px;
}

.other-services-list li a i {
    font-size: 12px;
    color: #64748b;
    transition: color 0.3s ease;
}

.other-services-list li a:hover i {
    color: #ffffff;
}

/* İletişim / Destek Widget'ı */
.contact-widget {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #ffffff;
    text-align: center;
    border: none;
}

.contact-widget .widget-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 102, 255, 0.2);
    color: #0066ff;
    font-size: 26px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px auto;
}

.contact-widget h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #ffffff;
}

.contact-widget p {
    font-size: 13px;
    color: #94a3b8;
    margin-bottom: 20px;
    line-height: 1.5;
}

.widget-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-sidebar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-phone {
    background: #0066ff;
    color: #ffffff;
}

.btn-phone:hover {
    background: #0052cc;
}

.btn-whatsapp {
    background: #25d366;
    color: #ffffff;
}

.btn-whatsapp:hover {
    background: #1da851;
}

.btn-sidebar i {
    font-size: 18px;
}

/* MOBİL UYUM (RESPONSIVE) */
@media (max-width: 992px) {
    .service-detail-grid {
        grid-template-columns: 1fr; /* Mobilde ve tablette tek sütun */
        gap: 30px;
    }

    .service-title {
        font-size: 22px;
    }

    .service-image-box img {
        max-height: 300px;
    }
}
.breadcrumb-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    list-style: none;
    font-size: 14px;
}

.breadcrumb-list a {
    color: #cbd5e1;
    transition: color 0.3s;
}

.breadcrumb-list a:hover {
    color: #0066ff;
}

.breadcrumb-list .active {
    color: #0066ff;
    font-weight: 600;
}

.breadcrumb-list i {
    font-size: 10px;
    color: #64748b;
}

/* ==========================================================================
   İLETİŞİM ALANI STİLLERİ
   ========================================================================== */
.contact-section {
    padding: 60px 0;
    background-color: #ffffff;
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 30px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}

/* Sol Kart: İletişim Bilgileri */
.contact-info-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 35px;
}

.info-header h2 {
    font-size: 22px;
    color: #0f172a;
    margin-bottom: 10px;
}

.info-header p {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 25px;
    line-height: 1.6;
}

.info-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.info-item .icon {
    width: 46px;
    height: 46px;
    background: #0066ff;
    color: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.info-item .text {
    display: flex;
    flex-direction: column;
}

.info-item .text span {
    font-size: 12px;
    color: #64748b;
}

.info-item .text strong {
    font-size: 14px;
    color: #1e293b;
}

.info-item .text a {
    color: #1e293b;
    transition: color 0.3s;
}

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

/* Sağ Kart: İletişim Formu */
.contact-form-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.contact-form-card h2 {
    font-size: 22px;
    color: #0f172a;
    margin-bottom: 25px;
}

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

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: #334155;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 14px;
    color: #0f172a;
    outline: none;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #0066ff;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.btn-contact-submit {
    background: #0066ff;
    color: #ffffff;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: background 0.3s;
}

.btn-contact-submit:hover {
    background: #0052cc;
}

/* Harita */
.contact-map {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    line-height: 0;
}

/* ==========================================================================
   MOBİL UYUM (RESPONSIVE)
   ========================================================================== */
@media (max-width: 768px) {
    .breadcrumb-section {
        padding: 30px 0;
    }
    .breadcrumb-content h1 {
        font-size: 24px;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .contact-info-card,
    .contact-form-card {
        padding: 20px;
    }

    .contact-map iframe {
        height: 280px;
    }
}
.header-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
.logo { font-size: 24px; font-weight: 700; color: var(--white); }
.logo span { color: var(--primary-color); }
.nav-menu { display: flex; gap: 30px; }
.nav-link { color: var(--white); font-weight: 500; font-size: 15px; transition: var(--transition); }
.nav-link:hover, .nav-link.active { color: var(--primary-color); }

/* 2. SLIDER & OTOMATİK KAYMA */
.hero-slider { position: relative; height: 550px; margin-top: 80px; overflow: hidden; background: var(--dark-bg); }
.slider-container { width: 100%; height: 100%; position: relative; }
.slide { position: absolute; top:0; left:0; width: 100%; height: 100%; background-size: cover; background-position: center; opacity: 0; transition: opacity 0.8s ease-in-out; display: flex; align-items: center; }
.slide.active { opacity: 1; z-index: 1; }
.slide-content { color: var(--white); max-width: 650px; }
.slide-content .badge { background: rgba(0, 102, 255, 0.2); color: #80b3ff; border: 1px solid var(--primary-color); padding: 5px 14px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.slide-content h1 { font-size: 42px; margin: 15px 0; }
.slide-content p { color: #cbd5e1; font-size: 16px; margin-bottom: 25px; }

.slider-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 45px; height: 45px; background: rgba(6, 10, 23, 0.7); color: var(--white); border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; cursor: pointer; z-index: 10; transition: var(--transition); }
.slider-btn:hover { background: var(--primary-color); border-color: var(--primary-color); }
.prev-btn { left: 20px; }
.next-btn { right: 20px; }

/* SECTION TITLES */
.section-header { text-align: center; margin-bottom: 40px; }
.section-tag { color: var(--primary-color); font-weight: 700; font-size: 13px; letter-spacing: 1px; }
.section-header h2 { font-size: 32px; color: var(--dark-bg); margin-top: 5px; }

/* 3. HAKKIMIZDA (SOL YAZI / SAĞ RESİM) */
.about-section { padding: 90px 0; background: var(--white); }
.about-container { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-text h2 { font-size: 32px; color: var(--dark-bg); margin: 10px 0 20px; }
.about-text p { color: var(--text-muted); margin-bottom: 20px; }
.about-list li { margin-bottom: 12px; font-weight: 500; display: flex; align-items: center; gap: 10px; }
.about-list i { color: var(--primary-color); }
.about-img { height: 380px; border-radius: 12px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }

/* 4. HİZMETLER (MOBİL: 2'Lİ / PC: 4'LÜ) */
.services-section { padding: 90px 0; background: var(--light-bg); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.service-card { background: var(--white); border-radius: 10px; overflow: hidden; box-shadow: 0 4px 15px rgba(0,0,0,0.05); transition: var(--transition); display: block; border-bottom: 3px solid transparent; }
.service-card:hover { transform: translateY(-5px); border-bottom-color: var(--primary-color); }
.service-img { height: 180px; overflow: hidden; }
.service-img img { transition: var(--transition); }
.service-card:hover .service-img img { transform: scale(1.08); }
.service-info { padding: 20px; text-align: center; }
.service-info h3 { font-size: 17px; color: var(--dark-bg); }

/* 5. GALERİ */
.gallery-section { padding: 90px 0; background: var(--white); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item { height: 230px; border-radius: 10px; overflow: hidden; cursor: pointer; }
.gallery-item img { transition: var(--transition); }
.gallery-item:hover img { transform: scale(1.08); }

/* 6. FOOTER */
.footer { background: var(--dark-bg); color: var(--white); padding-top: 70px; }
.footer-container { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; padding-bottom: 50px; }
.footer-col h4 { margin-bottom: 20px; border-left: 3px solid var(--primary-color); padding-left: 10px; font-size: 18px; }
.footer-col p { color: #94a3b8; margin-bottom: 12px; font-size: 14px; display: flex; align-items: center; gap: 10px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #94a3b8; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--primary-color); }
.social-links { display: flex; gap: 12px; margin-top: 20px; }
.social-links a { width: 38px; height: 38px; background: rgba(255,255,255,0.08); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); transition: var(--transition); }
.social-links a:hover { background: var(--primary-color); }
.footer-bottom { background: #02040a; padding: 20px 0; text-align: center; color: #64748b; font-size: 14px; border-top: 1px solid rgba(255,255,255,0.05); }

/* HAMBURGER & OFF-CANVAS */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.bar { width: 25px; height: 3px; background: var(--white); border-radius: 2px; }
.offcanvas-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.7); z-index: 1500; opacity: 0; visibility: hidden; transition: var(--transition); }
.offcanvas-overlay.active { opacity: 1; visibility: visible; }
.offcanvas-menu { position: fixed; top: 0; right: -300px; width: 280px; height: 100%; background: var(--dark-bg); z-index: 1600; padding: 25px; transition: right 0.3s ease; display: flex; flex-direction: column; justify-content: space-between; }
.offcanvas-menu.active { right: 0; }
.offcanvas-header { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 15px; }
.offcanvas-close { background: none; border: none; color: #fff; font-size: 30px; cursor: pointer; }
.mobile-nav-list li a { display: block; padding: 12px 0; color: #fff; font-size: 17px; border-bottom: 1px solid rgba(255,255,255,0.05); }

/* MOBİL UYUMLULUK (RESPONSIVE) */
@media (max-width: 992px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); } /* MOBİLDE HİZMETLER 2'Lİ */
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .about-container { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; }
    .nav-menu, .header-btn { display: none; }
    .hamburger { display: flex; }
    .slide-content h1 { font-size: 28px; }
}