/* ===================================
   Mert Çelik - Corporate Website Styles
   =================================== */

/* Social Topbar */
.social-topbar {
    background: #1a1a1a;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 102, 161, 0.2);
}

.social-topbar .topbar-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-topbar .social-icons {
    display: flex;
    align-items: center;
    gap: 12px;
}

.social-topbar .social-icons a {
    color: #ffffff;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
}

.social-topbar .social-icons a:hover {
    color: #1a1a1a;
    background: var(--primary-color);
    transform: translateY(-2px);
}

.social-topbar .topbar-contact {
    color: #888;
    font-size: 0.85rem;
}

.social-topbar .topbar-contact span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.social-topbar .topbar-contact i {
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .social-topbar .topbar-contact {
        display: none;
    }
    
    .social-topbar .social-icons {
        gap: 10px;
    }
    
    .social-topbar .social-icons a {
        width: 28px;
        height: 28px;
        font-size: 0.85rem;
    }
}

/* CSS Variables */
:root {
    --primary-color: #0066A1;
    --primary-dark: #004A73;
    --primary-light: #E6F2F8;
    --secondary-color: #2C3E50;
    --text-dark: #2C3E50;
    --text-light: #6C757D;
    --white: #FFFFFF;
    --light-bg: #F8F9FA;
    --border-color: #E0E0E0;
    --success: #28A745;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 120px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--primary-color);
    background: var(--primary-light);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 120px 0;
    text-align: center;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/fabrika-uydu.png') center center no-repeat;
    background-size: cover;
    opacity: 0.25;
}

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

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-light);
}

.btn-outline {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
}

.divider {
    width: 80px;
    height: 4px;
    background: var(--primary-color);
    margin: 1rem auto;
    border-radius: 2px;
}

/* About Preview Section */
.about-preview {
    padding: 80px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-grid.about-centered {
    grid-template-columns: 1fr;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-content p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--primary-light);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-light);
    font-weight: 500;
}

/* Products Preview Section */
.products-preview {
    padding: 80px 0;
    background: var(--light-bg);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.product-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.product-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.product-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.product-card p {
    color: var(--text-light);
}

/* Contact Preview Section */
.contact-preview {
    padding: 80px 0;
    background: var(--primary-color);
    color: var(--white);
}

.contact-grid.contact-centered {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-centered .contact-info {
    text-align: center;
}

.contact-centered .contact-details {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-centered .contact-item {
    justify-content: center;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-details {
    margin: 2rem 0;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.5rem;
    min-width: 40px;
}

.contact-item h4 {
    margin-bottom: 0.5rem;
}

.contact-item p {
    opacity: 0.9;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    max-width: 150px;
    margin-bottom: 1rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* About Page Styles */
.about-content-section {
    padding: 80px 0;
}

.about-main h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.about-main h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin: 2rem 0 1rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.about-main p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

/* Mission Vision Section */
.mission-vision {
    padding: 80px 0;
    background: var(--light-bg);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.mv-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
}

.mv-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.mv-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

/* Values Section */
.values-section {
    padding: 80px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.value-item {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.value-item:hover {
    background: var(--primary-light);
    transform: translateY(-5px);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.value-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.value-item p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Timeline Section */
.timeline-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}

.timeline-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 4px solid var(--white);
    border-radius: 50%;
    z-index: 1;
}

.timeline-year {
    text-align: right;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    padding-right: 2rem;
}

.timeline-content {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.timeline-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Products Page Styles */
.products-intro {
    padding: 60px 0;
    background: var(--white);
}

.intro-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.products-categories {
    padding: 40px 0 80px;
}

.category-section {
    background: var(--white);
    padding: 3rem;
    margin-bottom: 3rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.category-header {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 2rem;
}

.category-icon {
    font-size: 4rem;
    min-width: 80px;
}

.category-header h2 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.category-content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

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

.product-features li {
    color: var(--text-dark);
    padding: 0.5rem;
    background: var(--light-bg);
    border-radius: 5px;
}

/* Quality Section */
.quality-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.quality-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.quality-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.quality-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.quality-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.quality-card p {
    color: var(--text-light);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Contact Page Styles */
.contact-info-section {
    padding: 60px 0;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
}

.info-card:hover {
    background: var(--primary-light);
    transform: translateY(-5px);
}

.info-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.info-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.small-text {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

/* Contact Form Section */
.contact-form-section {
    padding: 80px 0;
    background: var(--light-bg);
}

.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

.form-content h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-form {
    margin-top: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    font-weight: 500;
}

.form-control,
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus,
.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 var(--primary-light);
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
    width: 100%;
}

.alert {
    padding: 1rem 1.5rem;
    border-radius: 5px;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.alert-success {
    background: #D4EDDA;
    border: 1px solid #C3E6CB;
    color: #155724;
}

.alert-error {
    background: #F8D7DA;
    border: 1px solid #F5C6CB;
    color: #721C24;
}

.error-message {
    color: #DC3545;
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: none;
}

.form-group.error input,
.form-group.error select,
.form-group.error textarea {
    border-color: #DC3545;
}

.form-group.error .error-message {
    display: block;
}

.form-success {
    background: var(--white);
    padding: 3rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.success-icon {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 1rem;
}

.form-success h3 {
    color: var(--success);
    margin-bottom: 1rem;
}

/* Form Sidebar */
.form-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.sidebar-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.working-hours li {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.working-hours li:last-child {
    border-bottom: none;
}

/* Map Section */
.map-section {
    padding: 80px 0;
}

.map-section h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.map-container {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
}

.map-directions {
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.map-directions h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

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

    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        grid-template-columns: 1fr;
        padding-left: 60px;
    }

    .timeline-item::before {
        left: 20px;
    }

    .timeline-year {
        text-align: left;
        padding-right: 0;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
    }

    .nav-menu.active {
        left: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .category-header {
        flex-direction: column;
        text-align: center;
    }

    .page-header h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .stat-card {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }
}

/* Factory Aerial Section */
.factory-aerial {
    margin-top: 3rem;
    text-align: center;
    background: var(--light-bg);
    padding: 2rem;
    border-radius: 10px;
}

.factory-aerial h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.factory-aerial img {
    width: 100%;
    max-width: 900px;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow-lg);
    margin: 0 auto;
}

.factory-aerial .factory-description {
    margin-top: 1rem;
    color: var(--text-light);
    font-style: italic;
}