/* 
   Holding Kurumsal Web Sitesi CSS
   Modern, şık ve profesyonel tasarım
*/

/* Genel Stiller ve Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0056b3;
    --secondary-color: #003366;
    --accent-color: #ff9800;
    --text-color: #333;
    --light-text: #fff;
    --light-bg: #f8f9fa;
    --dark-bg: #212529;
    --border-color: #e0e0e0;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 4px;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 12px 25px;
    border-radius: var(--border-radius);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: var(--secondary-color);
    color: var(--light-text);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

/* Header Stili */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    padding: 10px 0;
    transition: var(--transition);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
}

/* Logo Stili */
.logo {
    display: flex;
    align-items: center;
    height: 100%;
    padding: 5px 0;
}

.logo a {
    text-decoration: none;
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: 55px;
    width: auto;
    display: block;
    transition: var(--transition);
    object-fit: contain;
}

.logo a:hover .logo-img {
    transform: scale(1.02);
}

/* Navigation Stili */
nav {
    display: flex;
    align-items: center;
}

nav ul {
    display: flex;
    align-items: center;
    gap: 25px;
}

nav ul li a {
    color: #444;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 5px 0;
}

.mail-btn {
    background-color: #0056b3;
    color: #fff !important;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

@media (max-width: 768px) {
    header {
        padding: 5px 0;
    }
    
    header .container {
        padding: 0 15px;
    }
    
    .logo {
        padding: 3px 0;
    }
    
    .logo-img {
        height: 45px;
    }
    
    .mobile-menu-toggle {
        margin-left: 15px;
    }
}

@media (max-width: 576px) {
    .logo-img {
        height: 45px;
    }
    
    header .container {
        padding: 0 10px;
    }
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    bottom: 0;
    left: 0;
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
    color: #fff;
    max-width: 800px;
    margin: 0;
    padding: 20px;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    max-width: 600px;
}

.hero-content .btn {
    animation: fadeInUp 1s ease 0.6s;
    animation-fill-mode: both;
}

/* Services Section */
.services {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-card .icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.service-card p {
    color: #666;
}

/* About Summary Section */
.about-summary {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.about-image img {
    width: 100%;
    transition: transform 0.5s ease;
}

.about-image img:hover {
    transform: scale(1.05);
}

.about-image video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.about-content h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    position: relative;
}

.about-content h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 0;
}

.about-content p {
    margin-bottom: 20px;
    color: #666;
    font-size: 1.1rem;
}

.about-content .btn {
    margin-top: 10px;
}

/* Stats Section */
.stats {
    padding: 80px 0;
    background-color: var(--secondary-color);
    color: var(--light-text);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--accent-color);
}

.stat-item p {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* References Section */
.references {
    padding: 80px 0;
    background-color: var(--light-bg);
    position: relative;
}

.references-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

.reference-banner {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 30px auto;
    max-width: 100%;
}

.reference-banner img {
    width: 100%;
    max-width: 1000px;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.reference-banner .desktop-image {
    display: block;
}

.reference-banner .mobile-image {
    display: none;
}

.reference-banner img:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transform: translateY(-3px);
}

@media (max-width: 1200px) {
    .reference-banner img {
        max-width: 900px;
    }
}

@media (max-width: 992px) {
    .reference-banner img {
        max-width: 800px;
    }
}

@media (max-width: 768px) {
    .reference-banner {
        margin: 20px auto;
    }
    
    .reference-banner .desktop-image {
        display: none;
    }
    
    .reference-banner .mobile-image {
        display: block;
        max-width: 100%;
    }
    
    .references {
        padding: 60px 0;
    }
}

/* Contact Summary Section */
.contact-summary {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-info h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.contact-info h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 0;
}

.contact-info p {
    margin-bottom: 30px;
    color: #666;
    font-size: 1.1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item i {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 1.2rem;
}

.contact-form {
    background-color: var(--light-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark-bg);
    color: #aaa;
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-about h3,
.footer-links h3,
.footer-services h3,
.footer-newsletter h3 {
    color: var(--light-text);
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-about p {
    margin-bottom: 20px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-services ul li a {
    color: #aaa;
    transition: var(--transition);
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    color: var(--light-text);
    padding-left: 5px;
}

.footer-newsletter p {
    margin-bottom: 20px;
}

.footer-newsletter form {
    display: flex;
    flex-direction: column;
}

.footer-newsletter input {
    padding: 12px 15px;
    margin-bottom: 15px;
    border: none;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
}

.footer-newsletter .btn {
    align-self: flex-start;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Tasarım */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.8rem;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    header .container {
        position: relative;
        padding: 15px 20px;
        justify-content: space-between;
    }
    
    .logo {
        margin-bottom: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
        z-index: 1001;
        position: relative;
        right: 0;
        top: 0;
        transform: none;
    }
    
    nav {
        width: 100%;
    }
    
    nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        transition: all 0.3s ease-in-out;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
        opacity: 0;
    }
    
    nav ul.active {
        left: 0;
        opacity: 1;
    }
    
    nav ul li {
        margin: 0 0 20px 0;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
    }
    
    nav ul.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    nav ul.active li:nth-child(1) { transition-delay: 0.1s; }
    nav ul.active li:nth-child(2) { transition-delay: 0.2s; }
    nav ul.active li:nth-child(3) { transition-delay: 0.3s; }
    nav ul.active li:nth-child(4) { transition-delay: 0.4s; }
    nav ul.active li:nth-child(5) { transition-delay: 0.5s; }
    
    nav ul li a {
        font-size: 1.2rem;
    }
    
    .mail-btn {
        margin-top: 20px;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .section-header h2,
    .about-content h2,
    .contact-info h2 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card,
    .contact-form {
        padding: 20px;
    }
}

/* Sayfa Başlığı Stili */
.page-header {
    height: 300px;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1170&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text);
    margin-top: 80px;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.page-header p {
    font-size: 1.2rem;
}

/* Hakkımızda Sayfası Stilleri */
.about-history {
    padding: 100px 0;
}

.history-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.history-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.history-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 86, 179, 0.2);
    top: 0;
    left: 0;
    z-index: 1;
}

.history-text p {
    margin-bottom: 20px;
    color: #666;
    font-size: 1.1rem;
    line-height: 1.8;
}

.vision-mission {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.vm-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.vm-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.vm-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.vm-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.vm-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.vm-card p {
    color: #666;
    line-height: 1.7;
}

.companies {
    padding: 100px 0;
}

.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.company-card {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.company-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.company-logo {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.company-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.company-card p {
    color: #666;
    margin-bottom: 20px;
}

.btn-small {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 8px 15px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.btn-small:hover {
    background-color: var(--secondary-color);
    color: var(--light-text);
}

.board {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.board-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.board-member {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.board-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.member-image {
    height: 300px;
    overflow: hidden;
}

.member-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.board-member:hover .member-image img {
    transform: scale(1.05);
}

.member-info {
    padding: 25px;
}

.member-info h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.member-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 15px;
}

.member-desc {
    color: #666;
    margin-bottom: 20px;
}

/* İletişim Sayfası Stilleri */
.contact-page {
    padding: 100px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: flex-start;
}

.contact-info h2,
.contact-form-container h2 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.contact-info h2::after,
.contact-form-container h2::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
    bottom: -10px;
    left: 0;
}

.contact-info p {
    margin-bottom: 30px;
    color: #666;
    font-size: 1.1rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.2rem;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--secondary-color);
}

.social-contact {
    margin-top: 40px;
}

.social-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.social-contact .social-icons {
    display: flex;
    gap: 15px;
}

.social-contact .social-icons a {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-contact .social-icons a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.contact-form-container {
    background-color: var(--light-bg);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.2);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.map-section {
    padding: 100px 0;
    background-color: var(--light-bg);
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.branches {
    padding: 100px 0;
}

.branches-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.branch-card {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.branch-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.branch-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.branch-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.branch-card p {
    color: #666;
    margin-bottom: 10px;
}

/* Ekibimiz Sayfası Stilleri */
.team-section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--light-bg);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.team-member {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.member-social {
    display: flex;
    gap: 10px;
}

.member-social a {
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.member-social a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.career-section {
    padding: 80px 0;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1552664730-d307ca884978?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1170&q=80') no-repeat center center/cover;
    color: var(--light-text);
    text-align: center;
}

.career-content {
    max-width: 800px;
    margin: 0 auto;
}

.career-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.career-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.culture-section {
    padding: 100px 0;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.culture-item {
    background-color: var(--light-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.culture-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.culture-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-color);
    color: var(--light-text);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
}

.culture-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.culture-item p {
    color: #666;
}

/* Responsive Tasarım Ek Stiller */
@media (max-width: 992px) {
    .page-header {
        height: 250px;
    }
    
    .page-header h1 {
        font-size: 2.5rem;
    }
    
    .history-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .history-image {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .page-header {
        height: 200px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .vm-grid,
    .board-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .page-header {
        height: 180px;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .contact-form-container,
    .vm-card,
    .company-card,
    .branch-card,
    .culture-item {
        padding: 20px;
    }
}

/* Mobil Menü Toggle */
.mobile-menu-toggle {
    display: none;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(245, 245, 245, 0.8);
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    transition: var(--transition);
    padding: 8px 12px;
    border-radius: 5px;
}

.mobile-menu-toggle:hover {
    color: var(--secondary-color);
    background: rgba(240, 240, 240, 1);
}

.mobile-menu-toggle i {
    transition: var(--transition);
}

@media (max-width: 768px) {
    header .container {
        position: relative;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 50px;
        transition: all 0.3s ease-in-out;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        z-index: 999;
        opacity: 0;
    }
    
    nav ul.active {
        left: 0;
        opacity: 1;
    }
    
    nav ul li {
        margin: 0 0 20px 0;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.3s ease;
    }
    
    nav ul.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    nav ul.active li:nth-child(1) { transition-delay: 0.1s; }
    nav ul.active li:nth-child(2) { transition-delay: 0.2s; }
    nav ul.active li:nth-child(3) { transition-delay: 0.3s; }
    nav ul.active li:nth-child(4) { transition-delay: 0.4s; }
    nav ul.active li:nth-child(5) { transition-delay: 0.5s; }
    
    nav ul li a {
        font-size: 1.2rem;
    }
    
    .mail-btn {
        margin-top: 20px;
    }
}

/* Mail Popup Stili */
.popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.popup-overlay.active {
    display: flex;
    opacity: 1;
}

.popup-content {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    position: relative;
    max-width: 400px;
    width: 90%;
    margin: auto;
    text-align: center;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.popup-overlay.active .popup-content {
    transform: translateY(0);
}

.popup-content h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.popup-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.popup-close {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.popup-close:hover {
    color: var(--primary-color);
}

.popup-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.popup-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.contact-popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.contact-popup {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    position: relative;
    animation: popupFadeIn 0.3s ease-out;
}

@keyframes popupFadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.contact-popup h3 {
    margin-bottom: 15px;
    color: #333;
}

.contact-popup p {
    color: #666;
    margin-bottom: 20px;
}

.contact-popup .loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    animation: whatsappBounce 2s infinite;
}

.whatsapp-float a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
    position: relative;
}

.whatsapp-float a::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: #25D366;
    border-radius: 50%;
    opacity: 0.4;
    transform: scale(1);
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float i {
    font-size: 32px;
}

.whatsapp-float:hover a {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

@keyframes whatsappPulse {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }
    50% {
        transform: scale(1.3);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 0;
    }
}

@keyframes whatsappBounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float a {
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-float i {
        font-size: 28px;
    }
}

/* Welcome Popup Styles */
.welcome-popup-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.welcome-popup-overlay.active {
    display: flex;
    opacity: 1;
}

.welcome-popup {
    background: #fff;
    padding: 40px;
    border-radius: 15px;
    position: relative;
    max-width: 500px;
    width: 90%;
    margin: auto;
    text-align: center;
    transform: translateY(-20px);
    transition: transform 0.5s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.welcome-popup-overlay.active .welcome-popup {
    transform: translateY(0);
}

.welcome-popup .logo-container {
    margin-bottom: 20px;
}

.welcome-popup .logo-container img {
    max-width: 200px;
    height: auto;
    margin: 0 auto;
}

.welcome-popup h2 {
    color: var(--secondary-color);
    margin: 20px 0;
    font-size: 2rem;
    line-height: 1.4;
}

.welcome-popup p {
    color: #666;
    margin-bottom: 30px;
    font-size: 1.2rem;
}

.welcome-popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 5px;
}

.welcome-popup-close:hover {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .welcome-popup {
        padding: 30px;
    }
    
    .welcome-popup h2 {
        font-size: 1.6rem;
    }
    
    .welcome-popup p {
        font-size: 1rem;
    }
}