/* ============================================
   KURUMSAL WEB SİTESİ - ANA STİL DOSYASI
   Modern, Şık ve SEO Uyumlu Tasarım
   ============================================ */

/* ---------- CSS DEĞİŞKENLERİ ---------- */
:root {
    /* Ana Renkler */
    --primary: #0f4c81;
    --primary-dark: #0a3559;
    --primary-light: #1a6bb5;
    --secondary: #c9a227;
    --secondary-dark: #a68520;
    --secondary-light: #e5c04f;
    
    /* Nötr Renkler */
    --dark: #1a1a2e;
    --dark-light: #2d2d44;
    --gray-900: #212529;
    --gray-800: #343a40;
    --gray-700: #495057;
    --gray-600: #6c757d;
    --gray-500: #adb5bd;
    --gray-400: #ced4da;
    --gray-300: #dee2e6;
    --gray-200: #e9ecef;
    --gray-100: #f8f9fa;
    --white: #ffffff;
    
    /* Durum Renkleri */
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --info: #17a2b8;
    
    /* Tipografi */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'DM Sans', sans-serif;
    
    /* Boyutlar */
    --container-max: 1320px;
    --header-height: 80px;
    --top-bar-height: 44px;
    
    /* Gölgeler */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
    
    /* Geçişler */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

/* ---------- RESET & TEMEL STİLLER ---------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Bağlantılar */
a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary);
}

/* Görüntüler */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Listeler */
ul, ol {
    list-style: none;
}

/* Butonlar */
button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
    outline: none;
}

/* Seçim rengi */
::selection {
    background-color: var(--primary);
    color: var(--white);
}

/* ---------- CONTAINER ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ---------- PRELOADER ---------- */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.loaded {
    opacity: 0;
    visibility: hidden;
}

.preloader-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- ÜST BAR ---------- */
.top-bar {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    color: var(--white);
    padding: 10px 0;
    font-size: 14px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.top-bar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-300);
    transition: color var(--transition-fast);
}

.top-bar-item:hover {
    color: var(--secondary);
}

.top-bar-item i {
    font-size: 16px;
    color: var(--secondary);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 15px;
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-link {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    color: var(--white);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--secondary);
    color: var(--dark);
    transform: translateY(-2px);
}

/* ---------- ANA HEADER ---------- */
.main-header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.main-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 30px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-img {
    height: 70px !important;
    min-height: 70px !important;
    max-height: 70px !important;
    width: auto;
    max-width: 350px;
    object-fit: contain;
    transform: scale(1);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}

/* Header Sağ */
.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-full);
    color: var(--white);
    transition: all var(--transition-fast);
}

.header-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 76, 129, 0.3);
    color: var(--white);
}

.phone-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    font-size: 18px;
}

.phone-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.phone-label {
    font-size: 12px;
    opacity: 0.9;
}

.phone-number {
    font-size: 16px;
    font-weight: 600;
}

/* ---------- NAVİGASYON ---------- */
.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-800);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(15, 76, 129, 0.05);
}

.dropdown-arrow {
    font-size: 12px;
    transition: transform var(--transition-fast);
}

.nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Dropdown Menü */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    font-size: 14px;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.dropdown-link:hover {
    background: var(--gray-100);
    color: var(--primary);
    padding-left: 25px;
}

/* ---------- MOBİL MENÜ ---------- */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1001;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    max-width: 100%;
    height: 100%;
    background: var(--white);
    z-index: 1002;
    transition: right var(--transition-normal);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--gray-200);
}

.mobile-logo img {
    max-height: 40px;
}

.mobile-menu-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 20px;
    color: var(--gray-700);
}

.mobile-menu-content {
    padding: 20px;
}

.mobile-nav-list {
    margin-bottom: 30px;
}

.mobile-nav-item {
    border-bottom: 1px solid var(--gray-200);
}

.mobile-nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--gray-800);
}

.mobile-submenu {
    display: none;
    padding-left: 20px;
    padding-bottom: 10px;
}

.mobile-nav-item.active .mobile-submenu {
    display: block;
}

.mobile-nav-item.active .submenu-arrow {
    transform: rotate(180deg);
}

.mobile-submenu a {
    display: block;
    padding: 10px 0;
    font-size: 14px;
    color: var(--gray-600);
}

.mobile-contact-info {
    margin-bottom: 20px;
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 14px;
    color: var(--gray-700);
}

.mobile-contact-item i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 16px;
}

.mobile-social {
    display: flex;
    gap: 10px;
}

.mobile-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    font-size: 20px;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.mobile-social a:hover {
    background: var(--primary);
    color: var(--white);
}

/* ---------- HERO / SLIDER ---------- */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
    overflow: hidden;
}

.hero-section > .container {
    position: relative;
    height: 100%;
    min-height: 400px;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.hero-slide-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 76, 129, 0.9) 0%, rgba(26, 26, 46, 0.8) 100%);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    z-index: 10;
    max-width: 700px;
    color: var(--white);
    padding: 40px 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.hero-content.active {
    opacity: 1;
    visibility: visible;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(201, 162, 39, 0.2);
    border: 1px solid var(--secondary);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary);
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero-title span {
    color: var(--secondary);
}

.hero-desc {
    font-size: 18px;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slider Kontrolleri */
.slider-controls {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 20;
}

.slider-dot {
    width: 12px;
    height: 12px;
    background: rgba(255,255,255,0.3);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.slider-dot.active,
.slider-dot:hover {
    background: var(--secondary);
    border-color: var(--secondary);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 20;
    pointer-events: none;
}

.slider-arrow {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    pointer-events: auto;
}

.slider-arrow:hover {
    background: var(--secondary);
    border-color: var(--secondary);
    color: var(--dark);
}

/* ---------- BUTONLAR ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 76, 129, 0.3);
    color: var(--white);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: var(--dark);
    border-color: var(--secondary);
}

.btn-secondary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201, 162, 39, 0.3);
    color: var(--dark);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: var(--white);
}

/* ---------- BÖLÜM BAŞLIKLARI ---------- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(15, 76, 129, 0.1);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.3;
    margin-bottom: 15px;
}

.section-title span {
    color: var(--primary);
}

.section-desc {
    font-size: 17px;
    color: var(--gray-600);
    line-height: 1.8;
}

/* ---------- ÖZELLİKLER BÖLÜMÜ ---------- */
.features-section {
    background: var(--white);
    margin-top: -80px;
    position: relative;
    z-index: 30;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
}

.feature-card {
    padding: 40px 30px;
    background: var(--white);
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.feature-card:hover .feature-icon,
.feature-card:hover .feature-title,
.feature-card:hover .feature-desc {
    color: var(--white);
}

.feature-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 76, 129, 0.1);
    border-radius: var(--radius-lg);
    font-size: 32px;
    color: var(--primary);
    margin: 0 auto 20px;
    transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon {
    background: rgba(255,255,255,0.2);
}

.feature-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
    transition: color var(--transition-normal);
}

.feature-desc {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.6;
    transition: color var(--transition-normal);
}

/* ---------- HİZMETLER BÖLÜMÜ ---------- */
.services-section {
    background: var(--gray-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.service-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(15, 76, 129, 0.8) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover .service-overlay {
    opacity: 1;
}

.service-overlay a {
    color: var(--white);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-icon {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary);
    border-radius: var(--radius-lg);
    font-size: 26px;
    color: var(--dark);
}

.service-content {
    padding: 25px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
}

.service-title a:hover {
    color: var(--primary);
}

.service-desc {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.service-link:hover {
    gap: 12px;
}

/* ---------- HAKKIMIZDA BÖLÜMÜ ---------- */
.about-section {
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-img-main img {
    width: 100%;
    height: 450px;
    object-fit: cover;
}

.about-img-small {
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 200px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 6px solid var(--white);
    box-shadow: var(--shadow-lg);
}

.about-img-small img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.about-experience {
    position: absolute;
    top: 20px;
    left: -30px;
    background: var(--secondary);
    color: var(--dark);
    padding: 20px 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.experience-number {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
}

.experience-text {
    font-size: 14px;
    font-weight: 600;
}

.about-content {
    padding-left: 20px;
}

.about-title {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.3;
    margin-bottom: 20px;
}

.about-desc {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-feature i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 76, 129, 0.1);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: 18px;
}

.about-feature span {
    font-weight: 600;
    color: var(--gray-800);
}

/* ---------- İSTATİSTİKLER ---------- */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    font-size: 30px;
    margin: 0 auto 20px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* ---------- PROJELER BÖLÜMÜ ---------- */
.projects-section {
    background: var(--gray-100);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 350px;
    group: true;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.project-card:hover .project-image {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.95) 0%, rgba(15, 76, 129, 0.5) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-category {
    font-size: 13px;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 10px;
}

.project-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
    margin-bottom: 15px;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
}

.project-link:hover {
    color: var(--secondary);
    gap: 12px;
}

/* ---------- BLOG BÖLÜMÜ ---------- */
.blog-section {
    background: var(--white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.blog-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-date {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--secondary);
    color: var(--dark);
    padding: 10px 15px;
    border-radius: var(--radius-md);
    text-align: center;
    line-height: 1.2;
}

.blog-date-day {
    font-size: 24px;
    font-weight: 700;
    display: block;
}

.blog-date-month {
    font-size: 12px;
    font-weight: 600;
}

.blog-content {
    padding: 25px;
}

.blog-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 13px;
    color: var(--gray-500);
}

.blog-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blog-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 10px;
    line-height: 1.4;
}

.blog-title a:hover {
    color: var(--primary);
}

.blog-excerpt {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.blog-link:hover {
    gap: 12px;
}

/* ---------- VİDEO GALERİ ---------- */
.video-section {
    background: var(--dark);
    padding: 80px 0;
}

.video-section .section-title,
.video-section .section-desc {
    color: var(--white);
}

.video-section .section-badge {
    background: rgba(201, 162, 39, 0.2);
    color: var(--secondary);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.video-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 16/9;
    cursor: pointer;
}

.video-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    z-index: 1;
    transition: background var(--transition-fast);
}

.video-card:hover::before {
    background: rgba(15, 76, 129, 0.7);
}

.video-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary);
    border-radius: var(--radius-full);
    color: var(--dark);
    font-size: 24px;
    z-index: 2;
    transition: all var(--transition-fast);
}

.video-card:hover .video-play {
    transform: translate(-50%, -50%) scale(1.1);
}

.video-title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    color: var(--white);
    font-size: 14px;
    font-weight: 500;
    z-index: 2;
}

/* ---------- İLETİŞİM BÖLÜMü - CTA ---------- */
.cta-section {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    padding: 80px 0;
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta-text h2 {
    font-family: var(--font-heading);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.cta-text p {
    font-size: 18px;
    color: var(--dark);
    opacity: 0.8;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    flex-shrink: 0;
}

.btn-dark {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}

.btn-dark:hover {
    background: var(--gray-900);
    color: var(--white);
}

/* ---------- FOOTER ---------- */
.main-footer {
    background: var(--dark);
    color: var(--gray-400);
}

.footer-top {
    padding: 80px 0 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
}

.footer-logo {
    display: inline-block;
    margin-bottom: 20px;
}

.footer-logo img {
    max-height: 50px;
}

.footer-logo-text {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
}

.footer-desc {
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 18px;
    transition: all var(--transition-fast);
}

.footer-social-link:hover {
    background: var(--secondary);
    color: var(--dark);
    transform: translateY(-3px);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary);
    border-radius: 2px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    color: var(--gray-400);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--secondary);
    padding-left: 5px;
}

.footer-links a i {
    font-size: 12px;
    color: var(--secondary);
}

.footer-contact-list li {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 15px;
}

.footer-contact-list i {
    width: 20px;
    color: var(--secondary);
    font-size: 18px;
    flex-shrink: 0;
    margin-top: 3px;
}

.footer-contact-list a:hover {
    color: var(--secondary);
}

.footer-bottom {
    background: rgba(0,0,0,0.2);
    padding: 20px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.copyright {
    font-size: 14px;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 14px;
}

.footer-bottom-links a:hover {
    color: var(--secondary);
}

.separator {
    color: var(--gray-600);
}

/* ---------- SCROLL TO TOP ---------- */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 20px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

/* ---------- WHATSAPP WIDGET ---------- */
.whatsapp-widget {
    position: fixed;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--widget-color, #25D366);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 998;
    transition: all var(--transition-fast);
}

.whatsapp-widget:hover {
    transform: scale(1.1);
    color: var(--white);
}

.whatsapp-widget.sag-alt {
    bottom: 30px;
    right: 30px;
}

.whatsapp-widget.sol-alt {
    bottom: 30px;
    left: 30px;
}

.whatsapp-widget.sag-ust {
    top: 150px;
    right: 30px;
}

.whatsapp-widget.sol-ust {
    top: 150px;
    left: 30px;
}

.whatsapp-tooltip,
.phone-tooltip,
.live-chat-tooltip {
    position: absolute;
    right: 70px;
    background: var(--dark);
    color: var(--white);
    padding: 8px 15px;
    border-radius: var(--radius-md);
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.whatsapp-widget:hover .whatsapp-tooltip,
.phone-widget:hover .phone-tooltip,
.live-chat-trigger:hover .live-chat-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

/* ---------- TELEFON WIDGET ---------- */
.phone-widget {
    position: fixed;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--widget-color, #0f4c81);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 26px;
    box-shadow: 0 4px 20px rgba(15, 76, 129, 0.4);
    z-index: 997;
    transition: all var(--transition-fast);
    animation: phone-ring 2s infinite;
}

@keyframes phone-ring {
    0%, 100% { transform: rotate(0); }
    10%, 30% { transform: rotate(-10deg); }
    20%, 40% { transform: rotate(10deg); }
    50% { transform: rotate(0); }
}

.phone-widget:hover {
    animation: none;
    transform: scale(1.1);
    color: var(--white);
}

.phone-widget.sag-alt {
    bottom: 100px;
    right: 30px;
}

.phone-widget.sol-alt {
    bottom: 100px;
    left: 30px;
}

.phone-widget.sag-ust {
    top: 100px;
    right: 30px;
    bottom: auto;
}

.phone-widget.sol-ust {
    top: 100px;
    left: 30px;
    bottom: auto;
}

/* Sol pozisyonlar için tooltip sağa açılsın */
.phone-widget.sol-alt .phone-tooltip,
.phone-widget.sol-ust .phone-tooltip,
.whatsapp-widget.sol-alt .whatsapp-tooltip,
.whatsapp-widget.sol-ust .whatsapp-tooltip {
    right: auto;
    left: 70px;
}

.phone-widget.sol-alt:hover .phone-tooltip,
.phone-widget.sol-ust:hover .phone-tooltip,
.whatsapp-widget.sol-alt:hover .whatsapp-tooltip,
.whatsapp-widget.sol-ust:hover .whatsapp-tooltip {
    right: auto;
    left: 75px;
}

/* ---------- CANLI DESTEK WIDGET ---------- */
.live-chat-widget {
    position: fixed;
    z-index: 996;
}

.live-chat-widget.sag-alt {
    bottom: 170px;
    right: 30px;
}

.live-chat-widget.sol-alt {
    bottom: 170px;
    left: 30px;
}

.live-chat-trigger {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--widget-color, #145388);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 26px;
    box-shadow: 0 4px 20px rgba(20, 83, 136, 0.4);
    transition: all var(--transition-fast);
}

.live-chat-trigger:hover {
    transform: scale(1.1);
}

/* ---------- RESPONSİVE TASARIM ---------- */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid,
    .projects-grid,
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
    
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .header-phone {
        display: none;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-images {
        order: -1;
    }
    
    .about-img-small {
        right: 20px;
        bottom: -20px;
    }
    
    .about-experience {
        left: 20px;
    }
    
    .about-content {
        padding-left: 0;
    }
    
    .cta-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .top-bar-content {
        justify-content: center;
    }
    
    .top-bar-right {
        display: none;
    }
    
    .hero-section {
        min-height: 70vh;
    }
    
    .hero-content {
        text-align: center;
        position: relative;
        top: auto;
        transform: none;
        opacity: 1;
        visibility: visible;
    }
    
    .hero-content:not(.active) {
        display: none;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .features-section {
        margin-top: 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid,
    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .slider-arrows {
        display: none;
    }
    
    .whatsapp-widget,
    .phone-widget,
    .live-chat-widget {
        right: 15px !important;
        left: auto !important;
    }
    
    .whatsapp-widget.sag-alt,
    .whatsapp-widget.sol-alt {
        bottom: 80px;
    }
    
    .phone-widget.sag-alt,
    .phone-widget.sol-alt {
        bottom: 150px;
    }
    
    .live-chat-widget.sag-alt,
    .live-chat-widget.sol-alt {
        bottom: 220px;
    }
    
    .scroll-to-top {
        right: 15px;
        bottom: 15px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .top-bar-left {
        gap: 15px;
        font-size: 12px;
    }
    
    .whatsapp-widget,
    .phone-widget,
    .live-chat-trigger {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }
}

/* ---------- SAYFA İÇ BANNER ---------- */
.page-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
    padding: 80px 0;
    text-align: center;
    color: var(--white);
}

.page-banner-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    margin-bottom: 15px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.breadcrumb a {
    color: rgba(255,255,255,0.8);
}

.breadcrumb a:hover {
    color: var(--secondary);
}

.breadcrumb-separator {
    color: var(--secondary);
}

.breadcrumb-current {
    color: var(--secondary);
}

/* ---------- ANİMASYONLAR ---------- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Stagger animation for grid items */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-item:nth-child(5) { transition-delay: 0.5s; }
.stagger-item:nth-child(6) { transition-delay: 0.6s; }

/* ---------- FORM STİLLERİ ---------- */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    font-family: inherit;
    font-size: 15px;
    color: var(--gray-800);
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(15, 76, 129, 0.1);
}

.form-control::placeholder {
    color: var(--gray-500);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* ---------- UTILITY CLASSES ---------- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mt-4 { margin-top: 40px; }
.mt-5 { margin-top: 50px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.mb-4 { margin-bottom: 40px; }
.mb-5 { margin-bottom: 50px; }

.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }

.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }
.gap-3 { gap: 30px; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
