/* =============================================
   SEKTÖR BİLİŞİM - TASARIM SİSTEMİ
   ============================================= */

/* --- CSS Değişkenleri (Marka Renkleri) --- */
:root {
    --sektor-primary: #1a3d7c;       /* Koyu lacivert - ana marka rengi */
    --sektor-primary-light: #2a5298; /* Açık lacivert */
    --sektor-primary-dark: #0f2a5c;  /* Çok koyu lacivert */
    --sektor-secondary: #e8443a;     /* Kırmızı-turuncu - vurgu rengi */
    --sektor-secondary-light: #f0635a;
    --sektor-accent: #f5a623;        /* Altın sarısı - CTA ve vurgular */
    --sektor-dark: #1a1a2e;          /* Koyu arka plan */
    --sektor-gray-900: #212529;
    --sektor-gray-700: #495057;
    --sektor-gray-500: #6c757d;
    --sektor-gray-300: #dee2e6;
    --sektor-gray-100: #f8f9fa;
    --sektor-white: #ffffff;
    --sektor-bg-light: #f4f6f9;      /* Sayfa arka planı */
    --sektor-shadow-sm: 0 2px 8px rgba(26, 61, 124, 0.08);
    --sektor-shadow-md: 0 4px 16px rgba(26, 61, 124, 0.12);
    --sektor-shadow-lg: 0 8px 32px rgba(26, 61, 124, 0.16);
    --sektor-radius: 12px;
    --sektor-radius-lg: 20px;
    --sektor-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Genel Reset & Tipografi --- */
html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
    scroll-behavior: smooth;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--sektor-gray-900);
    background-color: var(--sektor-white);
    margin-bottom: 0;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
    font-weight: 700;
    color: var(--sektor-dark);
    letter-spacing: -0.02em;
}

p {
    color: var(--sektor-gray-700);
    line-height: 1.8;
}

a {
    color: var(--sektor-primary);
    text-decoration: none;
    transition: var(--sektor-transition);
}

a:hover {
    color: var(--sektor-primary-light);
}

/* --- Bootstrap Override: Butonlar --- */
.btn {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    border-radius: 8px;
    padding: 10px 24px;
    transition: var(--sektor-transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--sektor-primary), var(--sektor-primary-light));
    border: none;
    color: #fff;
    box-shadow: 0 4px 12px rgba(26, 61, 124, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--sektor-primary-light), var(--sektor-primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 61, 124, 0.4);
}

.btn-outline-primary {
    color: var(--sektor-primary);
    border-color: var(--sektor-primary);
}

.btn-outline-primary:hover {
    background-color: var(--sektor-primary);
    border-color: var(--sektor-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-secondary-sektor {
    background: linear-gradient(135deg, var(--sektor-secondary), var(--sektor-secondary-light));
    border: none;
    color: #fff;
    box-shadow: 0 4px 12px rgba(232, 68, 58, 0.3);
}

.btn-secondary-sektor:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 68, 58, 0.4);
}

/* --- Bootstrap Override: Focus States --- */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.15rem rgba(26, 61, 124, 0.25);
}

.form-control:focus {
    border-color: var(--sektor-primary-light);
}

/* --- Bootstrap Override: Navbar --- */
.navbar {
    padding: 0.5rem 0;
    transition: var(--sektor-transition);
}

.navbar-brand img {
    transition: var(--sektor-transition);
}

.navbar .nav-link {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--sektor-gray-700) !important;
    padding: 0.6rem 1rem !important;
    border-radius: 6px;
    transition: var(--sektor-transition);
    position: relative;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: var(--sektor-primary) !important;
    background-color: rgba(26, 61, 124, 0.06);
}

.navbar .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--sektor-primary);
    transition: width 0.3s ease;
    border-radius: 1px;
}

.navbar .nav-link:hover::after {
    width: 60%;
}

/* Dropdown nav-link override - toggle icon */
.navbar .nav-link.dropdown-toggle::after {
    position: static;
    transform: none;
    width: auto;
    height: auto;
    background: none;
    border-top: 0.3em solid;
    border-right: 0.3em solid transparent;
    border-left: 0.3em solid transparent;
    vertical-align: middle;
    margin-left: 0.3em;
}

/* Sticky Navbar */
.navbar-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background: rgba(255, 255, 255, 0.97) !important;
    backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    animation: slideDown 0.35s ease-out;
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* --- Dropdown Submenu --- */
.dropdown-submenu {
    position: relative;
}

.dropdown-submenu .dropdown-menu {
    top: 0;
    left: 100%;
    margin-left: .1rem;
    margin-right: .1rem;
}

.dropdown-submenu:hover > .dropdown-menu {
    display: block;
}

/* Mobilde alt menüler inline açılır (accordion tarzı) */
@media (max-width: 991.98px) {
    .dropdown-submenu .dropdown-menu {
        position: static !important;
        left: 0 !important;
        margin-left: 0;
        box-shadow: none;
        border: none;
        padding-left: 1rem;
        background: transparent;
    }

    .dropdown-submenu:hover > .dropdown-menu {
        display: none;
    }

    .dropdown-submenu .dropdown-menu.show {
        display: block;
    }

    .dropdown-submenu > .dropdown-toggle::after {
        float: right;
        margin-top: 0.4em;
        transition: transform 0.2s ease;
    }

    .dropdown-submenu > .dropdown-toggle[aria-expanded="true"]::after,
    .dropdown-submenu > .dropdown-menu.show ~ .dropdown-toggle::after {
        transform: rotate(180deg);
    }

    .navbar-nav .dropdown-menu {
        position: static !important;
        box-shadow: none;
        border: none;
        padding: 0;
    }

    .navbar-collapse {
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
}

/* --- Bootstrap Override: Dropdown --- */
.dropdown-menu {
    border: none;
    border-radius: var(--sektor-radius);
    box-shadow: var(--sektor-shadow-lg);
    padding: 0.5rem;
    animation: fadeInUp 0.2s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    border-radius: 6px;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    transition: var(--sektor-transition);
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: var(--sektor-primary) !important;
    color: #fff !important;
}

/* --- Bootstrap Override: Cards --- */
.card {
    border: none;
    border-radius: var(--sektor-radius);
    box-shadow: var(--sektor-shadow-sm);
    transition: var(--sektor-transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--sektor-shadow-md);
}

/* --- Bootstrap Override: Text Colors --- */
.text-primary {
    color: var(--sektor-primary) !important;
}

.text-warning {
    color: var(--sektor-accent) !important;
}

.bg-primary {
    background-color: var(--sektor-primary) !important;
}

/* --- Bölüm Stilleri --- */
.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--sektor-dark);
    margin-bottom: 0.5rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--sektor-gray-500);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--sektor-primary), var(--sektor-secondary));
    border-radius: 2px;
    margin: 1rem auto;
}

/* --- Hover Efektleri --- */
.hover-lift {
    transition: var(--sektor-transition);
}

.hover-lift:hover {
    transform: translateY(-6px);
    box-shadow: var(--sektor-shadow-lg);
}

.hover-shadow {
    transition: var(--sektor-transition);
}

.hover-shadow:hover {
    transform: translateY(-6px);
    box-shadow: var(--sektor-shadow-lg);
}

/* --- İkon Stilleri --- */
.icon-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
    transition: var(--sektor-transition);
}

/* Flex satırlarında icon-box auto margin'i sıfırla */
.d-flex > .icon-box {
    margin: 0;
    flex-shrink: 0;
}

.icon-box-primary {
    background: rgba(26, 61, 124, 0.1);
    color: var(--sektor-primary);
}

.card:hover .icon-box-primary {
    background: var(--sektor-primary);
    color: #fff;
}

.icon i {
    transition: transform 0.3s ease;
}

.card:hover .icon i {
    transform: scale(1.15);
}

/* --- Footer --- */
.footer-main {
    background: linear-gradient(180deg, var(--sektor-dark) 0%, #0f0f1e 100%);
    color: rgba(255, 255, 255, 0.8);
}

.footer-main h5 {
    color: var(--sektor-accent);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-main p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9rem;
}

.footer-main a {
    color: rgba(255, 255, 255, 0.65);
    transition: var(--sektor-transition);
}

.footer-main a:hover {
    color: var(--sektor-accent);
    padding-left: 4px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
    transition: var(--sektor-transition);
    margin-right: 8px;
}

.footer-social a:hover {
    background: var(--sektor-accent);
    border-color: var(--sektor-accent);
    color: var(--sektor-dark);
    transform: translateY(-3px);
    padding-left: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* --- Scroll to Top Button --- */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--sektor-primary), var(--sektor-primary-light));
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--sektor-transition);
    box-shadow: 0 4px 16px rgba(26, 61, 124, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 24px rgba(26, 61, 124, 0.45);
}

/* --- Canlı Destek Widget (chat-widget.js tarafından inject edilen stiller yeterli) --- */

/* --- Sayfa Giriş Animasyonları --- */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* --- İstatistik Bölümü --- */
.stat-card {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--sektor-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--sektor-gray-500);
    font-weight: 500;
}

/* --- Hero / Banner --- */
.hero-section {
    background: linear-gradient(135deg, var(--sektor-primary-dark) 0%, var(--sektor-primary) 50%, var(--sektor-primary-light) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

/* --- Breadcrumb --- */
.breadcrumb-item a {
    color: var(--sektor-primary);
}

/* --- Accordion Override --- */
.accordion-button:not(.collapsed) {
    background-color: rgba(26, 61, 124, 0.08);
    color: var(--sektor-primary);
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.15rem rgba(26, 61, 124, 0.15);
    border-color: var(--sektor-primary-light);
}

/* --- Nav Pills Override --- */
.nav-pills .nav-link.active, .nav-pills .show > .nav-link {
    color: #fff;
    background-color: var(--sektor-primary);
    border-color: var(--sektor-primary);
}

/* --- Genel Yardımcılar --- */
.bg-sektor-light {
    background-color: var(--sektor-bg-light);
}

.text-sektor-primary {
    color: var(--sektor-primary);
}

.border-top {
    border-top: 1px solid var(--sektor-gray-300) !important;
}

.border-bottom {
    border-bottom: 1px solid var(--sektor-gray-300) !important;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .stat-number {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .scroll-to-top {
        bottom: 20px;
        right: 76px;
        width: 40px;
        height: 40px;
    }
}

/* --- Sayfa Yükleme Çubuğu --- */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 9999;
    background: transparent;
}

.page-loader::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--sektor-primary), var(--sektor-secondary));
    animation: pageLoad 0.8s ease-out forwards;
}

@keyframes pageLoad {
    to { width: 100%; }
}

/* --- Sayfa Başlık Banner (Alt Sayfalar) --- */
.page-header {
    background: linear-gradient(135deg, var(--sektor-primary-dark) 0%, var(--sektor-primary) 60%, var(--sektor-primary-light) 100%);
    padding: 3rem 0 2.5rem;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.page-header::after {
    content: '';
    position: absolute;
    bottom: -60%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 50%;
}

.page-header h1 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.page-header p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.05rem;
    max-width: 600px;
    position: relative;
    z-index: 1;
}

.page-header .breadcrumb {
    position: relative;
    z-index: 1;
    margin-bottom: 0;
}

.page-header .breadcrumb-item a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--sektor-transition);
}

.page-header .breadcrumb-item a:hover {
    color: var(--sektor-accent);
}

.page-header .breadcrumb-item.active {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.page-header .breadcrumb-item + .breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.4);
}

/* --- İletişim Sayfası --- */
.contact-info-card {
    border: none;
    border-radius: var(--sektor-radius);
    padding: 1.5rem;
    text-align: center;
    transition: var(--sektor-transition);
    background: #fff;
    box-shadow: var(--sektor-shadow-sm);
}

.contact-info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--sektor-shadow-md);
}

.contact-info-card .icon-circle {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.3rem;
}

/* --- Referans Kartları --- */
.reference-card {
    transition: var(--sektor-transition);
    border-radius: var(--sektor-radius);
}

.reference-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sektor-shadow-md);
}

.reference-card .card-img-top {
    max-height: 120px;
    object-fit: contain;
}

/* --- Referans Logo Kartları (Sayfa) --- */
.reference-logo-card {
    background: #fff;
    border: 1px solid var(--sektor-gray-300);
    border-radius: var(--sektor-radius);
    padding: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100px;
    transition: var(--sektor-transition);
}

.reference-logo-card:hover {
    border-color: var(--sektor-primary);
    box-shadow: var(--sektor-shadow-md);
    transform: translateY(-4px);
}

.reference-logo-card img {
    max-height: 60px;
    max-width: 100%;
    object-fit: contain;
    filter: grayscale(40%);
    opacity: 0.85;
    transition: var(--sektor-transition);
}

.reference-logo-card:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

@media (max-width: 768px) {
    .page-header {
        padding: 2rem 0 1.5rem;
    }

    .page-header h1 {
        font-size: 1.6rem;
    }

    .reference-card .card-img-top {
        max-height: 80px;
    }

    .reference-logo-card {
        height: 80px;
        padding: 0.8rem;
    }

    .reference-logo-card img {
        max-height: 45px;
    }
}

/* --- Ürün Sayfaları --- */

/* Sayfa başlığındaki ürün logosu */
.product-header-logo {
    height: 48px;
    width: auto;
    margin: 1rem 0;
    display: block;
}

@media (max-width: 768px) {
    .product-header-logo {
        height: 36px;
    }
}

/* Özellik Kartları */
.product-feature-card {
    transition: var(--sektor-transition);
    border-left: 3px solid transparent;
}

.product-feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sektor-shadow-lg);
    border-left-color: var(--sektor-primary);
}

/* İlgili Çözüm Kartları */
.product-related-card {
    transition: var(--sektor-transition);
}

.product-related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sektor-shadow-lg);
}

.product-related-card:hover h6 {
    color: var(--sektor-primary);
}

/* YouTube Lazy Load */
.video-lazy-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
}

.video-lazy-placeholder:hover div div {
    background: rgba(255, 0, 0, 1) !important;
}

@media (max-width: 768px) {
    .product-hero-img {
        max-width: 160px !important;
    }
}

/* --- KVKK Cookie Banner --- */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--sektor-dark);
    color: rgba(255, 255, 255, 0.85);
    z-index: 9999;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
    animation: cookieSlideUp 0.4s ease-out;
}

.cookie-consent .cookie-link {
    color: var(--sektor-accent);
    text-decoration: underline;
}

.cookie-consent .cookie-link:hover {
    color: #fff;
}

@keyframes cookieSlideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}