/* Variables */
:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --accent: #e74c3c;
    --text: #2c3e50;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo img {
    height: 40px;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: var(--transition);
}

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

.contact-btn {
    background: var(--secondary);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 5px;
    transition: var(--transition);
}

.contact-btn:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.slide-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 1;
    width: 80%;
    max-width: 800px;
}

.slide-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.2s;
}

.slide-content p {
    font-size: 1.5rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.4s;
}

.slide.active .slide-content h1,
.slide.active .slide-content p {
    opacity: 1;
    transform: translateY(0);
}

.slider-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 2;
}

.slider-nav button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.slider-nav button:hover {
    background: rgba(255, 255, 255, 0.4);
}

.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 2;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dots .dot.active {
    background: white;
    transform: scale(1.2);
}

/* Insurance Card Styles */
.insurance-card {
    padding: 30px !important;
}

.insurance-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.insurance-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.insurance-item:hover {
    background: rgba(52, 152, 219, 0.2);
    transform: translateY(-2px);
}

.insurance-item i {
    font-size: 1.2rem;
    color: var(--secondary);
}

.insurance-item span {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 500;
}

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

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

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

.service-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.card-icon {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

.card-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background: var(--secondary);
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
}

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

/* Projects Section */
.projects {
    padding: 80px 0;
    background: #fff;
}

/* Kategori Filtreleri */
.project-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.category-btn {
    padding: 12px 25px;
    border: none;
    background: var(--light);
    color: var(--text);
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn:hover,
.category-btn.active {
    background: var(--secondary);
    color: white;
    transform: translateY(-2px);
}

/* Proje Galerisi */
.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    padding: 20px 0;
}

.gallery-item {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 20px;
    color: white;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

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

.gallery-item:hover .item-overlay {
    opacity: 1;
    transform: translateY(0);
}

.item-info h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.item-info p {
    font-size: 0.9rem;
    opacity: 0.9;
}

.view-btn {
    position: absolute;
    right: 20px;
    bottom: 20px;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.view-btn:hover {
    transform: scale(1.1);
}

/* Resim Görüntüleyici (Lightbox) */
.image-viewer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.image-viewer.active {
    display: flex;
}

.viewer-content {
    position: relative;
    max-width: 90%;
    max-height: 90vh;
}

.viewer-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.close-viewer,
.prev-img,
.next-img {
    position: absolute;
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-viewer {
    top: -40px;
    right: 0;
    font-size: 2rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.prev-img,
.next-img {
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prev-img { left: -70px; }
.next-img { right: -70px; }

.close-viewer:hover,
.prev-img:hover,
.next-img:hover {
    background: rgba(255,255,255,0.3);
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .category-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .project-gallery {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 15px;
    }

    .item-info h3 {
        font-size: 1.1rem;
    }

    .prev-img,
    .next-img {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .prev-img { left: 10px; }
    .next-img { right: 10px; }
}

/* Animasyonlar */
.gallery-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.gallery-item.show {
    opacity: 1;
    transform: translateY(0);
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.info-item i {
    font-size: 2rem;
    color: var(--secondary);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

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

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

.submit-btn {
    background: var(--secondary);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.footer-logo img {
    height: 40px;
}

.social-links {
    display: flex;
    gap: 20px;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

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

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

/* Responsive Design */
@media (max-width: 992px) {
    .service-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
        background: none;
        border: none;
        cursor: pointer;
    }

    .mobile-menu-btn span {
        display: block;
        width: 25px;
        height: 3px;
        background: var(--text);
        margin: 5px 0;
        transition: var(--transition);
    }

    .service-cards {
        grid-template-columns: 1fr;
    }

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

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

    .slide-content h1 {
        font-size: 2.5rem;
    }

    .slide-content p {
        font-size: 1.2rem;
    }

    .insurance-categories {
        grid-template-columns: 1fr;
    }

    .slider-nav button {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
}

/* Mobile Menu Active State */
.nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Service Cards */
.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.construction-card,
.realestate-card,
.insurance-card {
    padding: 30px !important;
}

/* Construction Categories */
.construction-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.construction-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(44, 62, 80, 0.1);
    border-radius: 5px;
    transition: var(--transition);
}

.construction-item:hover {
    background: rgba(44, 62, 80, 0.2);
    transform: translateY(-2px);
}

.construction-item i {
    font-size: 1.2rem;
    color: var(--primary);
}

.construction-item span {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 500;
}

/* Real Estate Categories */
.realestate-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.realestate-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(52, 152, 219, 0.1);
    border-radius: 5px;
    transition: var(--transition);
}

.realestate-item:hover {
    background: rgba(52, 152, 219, 0.2);
    transform: translateY(-2px);
}

.realestate-item i {
    font-size: 1.2rem;
    color: var(--secondary);
}

.realestate-item span {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 500;
}

/* Insurance Categories */
.insurance-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.insurance-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(231, 76, 60, 0.1);
    border-radius: 5px;
    transition: var(--transition);
}

.insurance-item:hover {
    background: rgba(231, 76, 60, 0.2);
    transform: translateY(-2px);
}

.insurance-item i {
    font-size: 1.2rem;
    color: var(--accent);
}

.insurance-item span {
    font-size: 0.9rem;
    color: var(--text);
    font-weight: 500;
}

@media (max-width: 768px) {
    .construction-categories,
    .realestate-categories,
    .insurance-categories {
        grid-template-columns: 1fr;
    }
}