/* ===== GENEL STILLER ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c3e50;
    --secondary-color: #c0392b;
    --accent-color: #e74c3c;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-gray: #ecf0f1;
    --border-color: #dfe6e9;
    --shadow: 0 2px 15px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 25px rgba(0,0,0,0.15);
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-white);
    line-height: 1.6;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* ===== HEADER ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg-white);
    box-shadow: var(--shadow);
}

.top-bar {
    background: var(--primary-color);
    color: white;
    padding: 10px 0;
    font-size: 14px;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info a {
    color: white;
    margin-right: 20px;
    transition: color 0.3s;
}

.contact-info a:hover {
    color: var(--accent-color);
}

.contact-info i {
    margin-right: 5px;
}

.social-links a {
    color: white;
    margin-left: 15px;
    font-size: 16px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* ===== NAVBAR ===== */
.navbar {
    background: white;
    padding: 15px 0;
}

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

.logo img {
    height: 60px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    font-size: 15px;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.3s;
}

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,154.7C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: bottom;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;              /* ← YENİ */
    flex-direction: column;     /* ← YENİ */
    align-items: center;        /* ← YENİ */
    justify-content: center;    /* ← YENİ */
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin: 0 0 20px 0;         /* ← DÜZELTİLDİ */
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 20px;
    margin: 0 0 30px 0;         /* ← DÜZELTİLDİ */
    max-width: 600px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: white;
    color: var(--primary-color);
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid white;
}

.btn:hover {
    background: transparent;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

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

.btn-primary:hover {
    background: transparent;
    border-color: white;
}

/* ===== SECTION ===== */
.section {
    padding: 80px 0;
}

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

.section-title h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--accent-color);
}

.section-title p {
    color: var(--text-light);
    font-size: 16px;
}

/* ===== STATS ===== */
.stats {
    background: var(--bg-light);
}

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

.stat-card {
    background: white;
    padding: 40px 30px;
    text-align: center;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

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

.stat-card i {
    font-size: 48px;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.stat-card h3 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-card p {
    color: var(--text-light);
    font-size: 16px;
}

/* ===== PROJECTS ===== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.project-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

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

.project-image {
    height: 250px;
    overflow: hidden;
    position: relative;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-status {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    color: white;
}

.status-tamamlanan {
    background: #27ae60;
}

.status-devam-eden {
    background: #f39c12;
}

.project-content {
    padding: 25px;
}

.project-content h3 {
    font-size: 22px;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.project-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 20px 0;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.info-item i {
    color: var(--accent-color);
    font-size: 18px;
}

.project-location {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 15px;
}

.project-location i {
    color: var(--accent-color);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background: var(--bg-light);
}

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

.testimonial-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 80px;
    color: var(--bg-light);
    font-family: Georgia, serif;
}

.stars {
    color: #f39c12;
    margin-bottom: 15px;
    font-size: 18px;
}

.testimonial-text {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.author-info h4 {
    color: var(--primary-color);
    font-size: 16px;
    margin-bottom: 5px;
}

.author-info p {
    color: var(--text-light);
    font-size: 14px;
}

/* ===== CONTACT ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.contact-info-card h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
    font-size: 22px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.contact-item i {
    color: var(--accent-color);
    font-size: 24px;
    margin-top: 5px;
}

.contact-item-content h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 16px;
}

.contact-item-content p {
    color: var(--text-light);
    font-size: 14px;
}

.map-container {
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-family: inherit;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

.footer-col p {
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a {
    color: rgba(255,255,255,0.8);
    transition: color 0.3s;
}

.footer-col ul li a:hover {
    color: var(--accent-color);
}

.footer-col .social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.footer-col .social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: all 0.3s;
}

.footer-col .social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 15px;
}

.contact-list i {
    color: var(--accent-color);
    margin-top: 3px;
    font-size: 18px;
}

.work-hours li {
    display: flex;
    justify-content: space-between;
    color: rgba(255,255,255,0.8);
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: rgba(255,255,255,0.6);
}

/* ===== ABOUT PAGE ===== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 60px;
}

.about-image {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 28px;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 15px;
}

/* ===== PROJECT DETAIL ===== */
.project-detail {
    margin-top: 30px;
}

.project-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
}

.gallery-item {
    height: 200px;
    border-radius: 10px;
    overflow: hidden;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.project-features {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.project-features h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.features-list {
    list-style: none;
}

.features-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.features-list li:last-child {
    border-bottom: none;
}

.features-list i {
    color: var(--accent-color);
}

/* ===== TABS ===== */
.tabs {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    border-bottom: 2px solid var(--border-color);
}

.tab-button {
    padding: 15px 30px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
}

.tab-button.active {
    color: var(--accent-color);
}

.tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .navbar-content {
        position: relative;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow);
        display: none;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .contact-grid,
    .about-content,
    .project-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .top-bar-content {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .hero {
        height: 400px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero p {
        font-size: 16px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title h2 {
        font-size: 28px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* ===== UTILITIES ===== */
.text-center {
    text-align: center;
}

.mt-30 {
    margin-top: 30px;
}

.mb-30 {
    margin-bottom: 30px;
}

.alert {
    padding: 15px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}