/**
 * Statik Yapı Güçlendirme & Performans Analizi
 * Özel CSS & Responsive Tasarım Kuralları
 * Renk Paleti: #1969ab Odaklı Kurumsal Mühendislik Teması
 */

:root {
    --color-navy: #0f172a;
    --color-navy-dark: #080d1a;
    --color-navy-light: #1e293b;
    --color-accent: #1969ab;
    --color-accent-hover: #135286;
    --color-accent-dark: #0f426c;
    --color-slate-bg: #f8fafc;
    --color-slate-border: #e2e8f0;
    --color-text-main: #334155;
    --color-text-muted: #64748b;
    --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    background-color: #ffffff;
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .brand-title {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
}

/* Renk Yardımcı Sınıfları (#1969ab) */
.text-dark-navy { color: var(--color-navy) !important; }
.bg-dark-navy { background-color: var(--color-navy) !important; }
.bg-dark-navy-light { background-color: var(--color-navy-light) !important; }
.bg-slate-light { background-color: var(--color-slate-bg) !important; }
.text-accent { color: var(--color-accent) !important; }
.bg-accent { background-color: var(--color-accent) !important; }

/* Geliştirici İmza Linki: Dijitaladres.com.tr (#1969ab -> Parlak Beyaz) */
.developer-link {
    color: var(--color-accent) !important;
    text-decoration: none !important;
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 0.02em;
    transition: all 0.3s ease;
    display: inline-block;
}
.developer-link:hover {
    color: #ffffff !important;
    text-shadow: 0 0 12px rgba(255, 255, 255, 0.95), 0 0 22px rgba(25, 105, 171, 0.85);
    transform: translateY(-1px);
}

/* Eski warning / turuncu sınıflarını #1969ab ile değiştir */
.text-warning { color: var(--color-accent) !important; }
.border-warning { border-color: rgba(25, 105, 171, 0.45) !important; }
.bg-warning.bg-opacity-10,
.bg-warning.bg-opacity-15,
.bg-warning.bg-opacity-20,
.bg-warning.bg-opacity-25 {
    background-color: rgba(25, 105, 171, 0.12) !important;
    color: var(--color-accent) !important;
}

.btn-accent {
    background-color: var(--color-accent);
    color: #ffffff;
    border: none;
    transition: var(--transition);
}
.btn-accent:hover {
    background-color: var(--color-accent-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(25, 105, 171, 0.35);
}

.btn-dark-navy {
    background-color: var(--color-navy);
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.15);
    transition: var(--transition);
}
.btn-dark-navy:hover {
    background-color: var(--color-navy-dark);
    color: #ffffff;
    transform: translateY(-2px);
}

/* Logo Stilleri */
.site-header-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: block;
    transition: var(--transition);
}
.site-footer-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    display: block;
}
@media (max-width: 768px) {
    .site-header-logo {
        height: 40px;
    }
    .site-footer-logo {
        height: 40px;
    }
}

/* Navigasyon */
.navbar-nav .nav-link {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-navy);
    padding: 0.5rem 0.85rem !important;
    border-radius: 8px;
    transition: var(--transition);
    white-space: nowrap;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--color-accent) !important;
    background-color: rgba(25, 105, 171, 0.08);
}
.dropdown-menu {
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
    padding: 0.5rem;
}
.dropdown-item {
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: 6px;
    transition: var(--transition);
}
.dropdown-item:hover {
    background-color: rgba(25, 105, 171, 0.1);
    color: var(--color-accent-hover);
    padding-left: 1.25rem;
}

/* Sosyal İkonlar Top Bar */
.top-social-link {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.12);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    text-decoration: none;
    transition: var(--transition);
}
.top-social-link:hover {
    background-color: var(--color-accent);
    color: #ffffff;
    transform: scale(1.1);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--color-navy-dark) 0%, var(--color-navy) 100%);
    position: relative;
    padding: 5rem 0 6rem 0;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(rgba(25, 105, 171, 0.25) 1px, transparent 1px);
    background-size: 32px 32px;
    opacity: 0.6;
    pointer-events: none;
}
.hero-badge {
    background: rgba(25, 105, 171, 0.25);
    border: 1px solid rgba(25, 105, 171, 0.55);
    color: #bae6fd;
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
}
.hero-title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    color: #ffffff;
}
@media (max-width: 991px) {
    .hero-title { font-size: 2.3rem; }
    .hero-section { padding: 3.5rem 0; }
}

/* İstatistik Kutuları */
.stat-card {
    background: #ffffff;
    border: 1px solid var(--color-slate-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
    transition: var(--transition);
}
.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent);
    box-shadow: 0 12px 28px rgba(25, 105, 171, 0.18);
}
.stat-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-navy);
    font-family: var(--font-heading);
}

/* Hizmet Kartları */
.service-card {
    background: #ffffff;
    border: 1px solid var(--color-slate-border);
    border-radius: 20px;
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-navy));
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 35px rgba(15, 23, 42, 0.12);
    border-color: rgba(25, 105, 171, 0.4);
}
.service-card:hover::after {
    opacity: 1;
}

/* Çözüm Kartı Görseli & Yüzen İkon */
.service-thumb-wrap {
    position: relative;
    height: 210px;
    background-color: var(--color-slate-light);
    overflow: hidden;
}
.service-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.service-card:hover .service-thumb-img {
    transform: scale(1.08);
}
.service-icon-badge {
    position: absolute;
    bottom: 12px;
    right: 16px;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    z-index: 2;
    transition: all 0.3s ease;
}
.service-card:hover .service-icon-badge {
    background: var(--color-accent);
    color: #ffffff;
    transform: scale(1.1) rotate(5deg);
    border-color: var(--color-accent);
}
.service-card-body {
    padding: 1.8rem 1.6rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}
.service-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: rgba(25, 105, 171, 0.12);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}
.service-card:hover .service-icon-box {
    background: var(--color-accent);
    color: #ffffff;
    transform: scale(1.08) rotate(3deg);
}

/* Karşılaştırma Kutusu */
.comparison-box {
    border-radius: 20px;
    border: 1px solid var(--color-slate-border);
    background: #ffffff;
    overflow: hidden;
}
.comparison-header-guclendir {
    background: linear-gradient(135deg, #059669, #10b981);
    color: #ffffff;
    padding: 1.5rem;
}
.comparison-header-yikim {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: #ffffff;
    padding: 1.5rem;
}

/* Adım Adım Güçlendirme Süreci */
.process-step-card {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid var(--color-slate-border);
    padding: 2rem 1.5rem;
    position: relative;
    height: 100%;
    transition: var(--transition);
}
.process-step-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
}
.step-number-badge {
    position: absolute;
    top: -16px;
    left: 24px;
    width: 36px;
    height: 36px;
    background: var(--color-accent);
    color: #ffffff;
    border-radius: 50%;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(25, 105, 171, 0.4);
}

/* Form Tasarımı ve Hızlı Keşif Formu */
.quote-card {
    background: #ffffff !important;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.25);
    border: 1px solid #cbd5e1;
    color: #0f172a !important;
}
.quote-card h3 {
    color: #0f172a !important;
}
.quote-card p {
    color: #475569 !important;
}
.quote-card label,
.quote-card .form-label {
    color: #0f172a !important;
    font-weight: 700 !important;
    font-size: 0.9rem !important;
    margin-bottom: 0.35rem !important;
    display: block !important;
}
.quote-card .form-control,
.quote-card .form-select {
    color: #0f172a !important;
    background-color: #f8fafc !important;
    border: 1.5px solid #cbd5e1 !important;
    font-weight: 500 !important;
    padding: 0.75rem 1rem !important;
    border-radius: 10px !important;
}
.quote-card .form-control:focus,
.quote-card .form-select:focus {
    background-color: #ffffff !important;
    border-color: var(--color-accent) !important;
    box-shadow: 0 0 0 4px rgba(25, 105, 171, 0.25) !important;
}
.quote-card .form-control::placeholder {
    color: #94a3b8 !important;
    opacity: 1 !important;
}
.quote-card .form-select option {
    color: #0f172a !important;
    background-color: #ffffff !important;
}

/* SSS Akordiyon */
.accordion-item {
    border: 1px solid var(--color-slate-border);
    border-radius: 12px !important;
    margin-bottom: 0.85rem;
    overflow: hidden;
}
.accordion-button {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--color-navy);
    padding: 1.25rem 1.5rem;
    background-color: #ffffff;
}
.accordion-button:not(.collapsed) {
    color: var(--color-accent);
    background-color: rgba(25, 105, 171, 0.08);
    box-shadow: none;
}
.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(25, 105, 171, 0.4);
}

/* Sabit Dönüşüm Butonları */
.floating-contact-buttons {
    position: fixed;
    bottom: 30px;
    left: 25px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 9999;
}
.floating-btn-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.floating-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 26px;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}
.floating-btn:hover {
    color: #ffffff;
    transform: scale(1.1);
}
.phone-btn {
    background: var(--color-accent);
    animation: pulse-blue 2s infinite;
}
.whatsapp-btn {
    background: #25d366;
    animation: pulse-green 2s infinite;
}

@keyframes pulse-blue {
    0% { box-shadow: 0 0 0 0 rgba(25, 105, 171, 0.7); }
    70% { box-shadow: 0 0 0 16px rgba(25, 105, 171, 0); }
    100% { box-shadow: 0 0 0 0 rgba(25, 105, 171, 0); }
}
@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.floating-tooltip {
    position: absolute;
    left: 70px;
    background: var(--color-navy);
    color: #ffffff;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    pointer-events: none;
}
.floating-btn-wrap:hover .floating-tooltip {
    opacity: 1;
    visibility: visible;
    left: 74px;
}

/* Scroll To Top */
.scrollToTop {
    position: fixed;
    bottom: 30px;
    right: 25px;
    width: 48px;
    height: 48px;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    z-index: 999;
    background-color: var(--color-accent) !important;
}

/* Footer Sosyal Butonları */
.footer-social-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition);
}
.footer-social-btn:hover {
    background-color: var(--color-accent);
    color: #ffffff;
    transform: translateY(-3px);
}

/* Proje Kartları */
.project-card {
    background: #ffffff;
    border: 1px solid var(--color-slate-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.1);
    border-color: var(--color-accent);
}
.project-thumb {
    height: 220px;
    background: linear-gradient(135deg, #1e293b, #334155);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    font-size: 3rem;
    position: relative;
}
.project-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--color-accent);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
}

/* Galeri Kartları ve Izgarası */
.gallery-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.gallery-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12) !important;
    border-color: var(--color-accent) !important;
}
.gallery-thumb-wrap {
    height: 240px;
    background: #0f172a;
    position: relative;
    overflow: hidden;
}
.gallery-thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.gallery-card:hover .gallery-thumb-img {
    transform: scale(1.08);
}
.gallery-order-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    color: #ffffff;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 2;
}
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}
.gallery-card:hover .gallery-overlay {
    opacity: 1;
}
.gallery-zoom-icon {
    width: 48px;
    height: 48px;
    background: #ffffff;
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transform: scale(0.8);
    transition: transform 0.3s ease;
}
.gallery-card:hover .gallery-zoom-icon {
    transform: scale(1);
}

/* Lightbox Modal */
.gallery-lightbox-modal {
    position: fixed;
    inset: 0;
    z-index: 1060;
    display: flex;
    align-items: center;
    justify-content: center;
}
.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(8px);
}
.lightbox-dialog {
    position: relative;
    z-index: 2;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.lightbox-content-box {
    max-width: 1000px;
    max-height: 85vh;
}
.lightbox-img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    border: 2px solid rgba(255, 255, 255, 0.15);
}
.lightbox-close-btn {
    position: fixed;
    top: 24px;
    right: 28px;
    background: transparent;
    border: none;
    color: #ffffff;
    font-size: 2.8rem;
    line-height: 1;
    cursor: pointer;
    z-index: 10;
    transition: transform 0.2s ease, color 0.2s ease;
}
.lightbox-close-btn:hover {
    color: var(--color-accent);
    transform: rotate(90deg);
}
.lightbox-nav-btn {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
}
.lightbox-prev-btn { left: 28px; }
.lightbox-next-btn { right: 28px; }
.lightbox-nav-btn:hover {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
    transform: translateY(-50%) scale(1.1);
}
@media (max-width: 768px) {
    .lightbox-prev-btn { left: 10px; width: 42px; height: 42px; font-size: 1.1rem; }
    .lightbox-next-btn { right: 10px; width: 42px; height: 42px; font-size: 1.1rem; }
    .lightbox-close-btn { top: 14px; right: 18px; font-size: 2.2rem; }
}

/* Mobilde Üst Header (Top Bar) Gizleme */
@media (max-width: 991.98px) {
    .header-top {
        display: none !important;
    }
}

/* ==========================================================================
   Müşteri Yorumları & Değerlendirmeler (3'lü Kart Slider / Carousel)
   ========================================================================== */
.testimonial-slider-wrap {
    position: relative;
    padding: 0 1rem;
}

@media (min-width: 992px) {
    .testimonial-slider-wrap {
        padding: 0 3.25rem;
    }
}

.testimonial-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border-color: #e2e8f0;
    min-height: 220px;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.1) !important;
    border-color: rgba(25, 105, 171, 0.45) !important;
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
    flex-shrink: 0;
}

.testimonial-text {
    line-height: 1.6;
    color: #475569;
    font-size: 0.92rem;
}

/* Slider Sol / Sağ Yuvarlak Yön Butonları */
.testimonial-slider-wrap .carousel-control-prev,
.testimonial-slider-wrap .carousel-control-next {
    width: 46px;
    height: 46px;
    background-color: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.12);
    top: 50%;
    bottom: auto !important;
    transform: translateY(-50%);
    opacity: 0.95;
    transition: all 0.25s ease;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-slider-wrap .carousel-control-prev {
    left: 0;
}

.testimonial-slider-wrap .carousel-control-next {
    right: 0;
}

.testimonial-slider-wrap .carousel-control-prev:hover,
.testimonial-slider-wrap .carousel-control-next:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: 0 6px 20px rgba(25, 105, 171, 0.35);
    transform: translateY(-50%) scale(1.08);
    opacity: 1;
}

.testimonial-slider-wrap .carousel-control-prev:hover i,
.testimonial-slider-wrap .carousel-control-next:hover i {
    color: #ffffff !important;
}

/* Gösterge Noktaları (Indicators) */
.testimonial-indicators [data-bs-target] {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #cbd5e1;
    border: none;
    margin: 0 4px;
    transition: all 0.3s ease;
    opacity: 0.7;
}

.testimonial-indicators .active {
    width: 32px;
    border-radius: 20px;
    background-color: var(--color-accent);
    opacity: 1;
}