/* Cansu Gayrimenkul İnşaat - Modern Kurumsal Site */
/* Ana Renk: #F27B00 (Turuncu) */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #F27B00;
    --primary-dark: #d66a00;
    --primary-light: #ff8c1a;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-dark: #1a1a1a;
    --shadow: 0 10px 30px rgba(242, 123, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(242, 123, 0, 0.2);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 18px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}

.logo-image {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-contact-mobile {
    display: none;
}

.nav-link {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 20px;
}

.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: var(--transition);
}

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

.hero-slider {
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    display: flex;
    align-items: center;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(242, 121, 0, 0.74), rgba(0, 0, 0, 0.226));
}

.slide-content {
    position: relative;
    z-index: 2;
    color: white;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

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

.btn-secondary {
    background: transparent;
    color: white;
    padding: 15px 30px;
    border: 2px solid white;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-secondary:hover {
    background: white;
    color: var(--text-dark);
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 20px;
    z-index: 3;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    font-weight: bold;
    transition: var(--transition);
}

.slider-btn:hover {
    background: white;
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

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



/* Services Section */
.services {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid #f0f0f0;
}

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

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-light);
    line-height: 1.6;
}

/* Projects Section */
.projects {
    padding: 80px 0;
    background: var(--bg-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

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

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

.project-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
}

.project-card:hover .project-image {
    transform: scale(1.05);
}

.project-content {
    padding: 20px;
}

.project-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.project-year {
    color: var(--primary-color);
    font-weight: 600;
}

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

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

.cta-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
}

.cta-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-benefits {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.benefit-item {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* About Section */
.about {
    padding: 80px 0;
}

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

.about-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 30px;
    color: var(--text-dark);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

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


.contact-info h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 30px;
    color: var(--text-dark);
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    margin-bottom: 15px;
    align-items: center;
}

.contact-label {
    font-weight: 600;
    min-width: 80px;
    color: var(--text-dark);
}

.contact-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.map-link {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.map-link:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

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

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #f0f0f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(242, 123, 0, 0.1);
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .nav-logo {
    color: white;
    margin-bottom: 20px;
}

.footer-brand p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 20px;
    font-weight: 600;
    color: var(--primary-color);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer-contact p {
    opacity: 0.8;
    margin-bottom: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    opacity: 0.6;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1000px) {
    .nav-menu {
        gap: 20px;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
    
    .nav-cta {
        flex-direction: column;
        gap: 10px;
    }
    
    .cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .nav-logo {
        font-size: 16px;
    }
    
    .logo-icon {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
    
    .logo-image {
        height: 35px;
    }
}

@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 850px) {
    .nav-menu {
        position: fixed;
        top: 82px;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.98));
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 30px 0;
        box-shadow: 0 15px 40px rgba(242, 123, 0, 0.15);
        border-bottom: 3px solid var(--primary-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        animation: slideDown 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    .nav-link {
        padding: 18px 40px;
        margin: 5px 20px;
        border-radius: 12px;
        text-align: center;
        font-weight: 600;
        font-size: 1.1rem;
        color: var(--text-dark);
        background: rgba(255, 255, 255, 0.7);
        transition: all 0.3s ease;
        border: 2px solid transparent;
        position: relative;
        overflow: hidden;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(242, 123, 0, 0.1), transparent);
        transition: left 0.5s ease;
    }
    
    .nav-link:hover::before {
        left: 100%;
    }
    
    .nav-link:hover {
        background: var(--primary-color);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(242, 123, 0, 0.3);
        border-color: var(--primary-light);
    }
    
    .nav-link:active {
        transform: translateY(0);
    }
    
    .nav-contact-mobile {
        display: block;
        background: var(--primary-color) !important;
        color: white !important;
        font-weight: 700;
        margin-top: 10px;
        box-shadow: 0 8px 25px rgba(242, 123, 0, 0.3);
    }
    
    .nav-contact-mobile:hover {
        background: var(--primary-dark) !important;
        transform: translateY(-3px);
        box-shadow: 0 12px 35px rgba(242, 123, 0, 0.4);
    }
    
    .cta-button {
        display: none;
    }

    .contact{
        padding-top: 50px;
    }

    .contact-info{
        margin: 0;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .hamburger {
        display: flex;
        position: relative;
        width: 30px;
        height: 30px;
        cursor: pointer;
        padding: 5px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .hamburger:hover {
        background: rgba(242, 123, 0, 0.1);
    }
    
    .hamburger span {
        display: block;
        width: 22px;
        height: 3px;
        background: var(--text-dark);
        border-radius: 2px;
        transition: all 0.3s ease;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .hamburger span:nth-child(1) {
        top: 6px;
    }
    
    .hamburger span:nth-child(2) {
        top: 50%;
        transform: translate(-50%, -50%);
    }
    
    .hamburger span:nth-child(3) {
        bottom: 6px;
    }
    
    .hamburger.active span:nth-child(1) {
        top: 50%;
        transform: translate(-50%, -50%) rotate(45deg);
        background: var(--primary-color);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
    
    .hamburger.active span:nth-child(3) {
        bottom: auto;
        top: 50%;
        transform: translate(-50%, -50%) rotate(-45deg);
        background: var(--primary-color);
    }
    
    .hamburger.active {
        background: rgba(242, 123, 0, 0.15);
    }
}

@media (max-width: 768px) {
    .contact{
        padding: 50px;
    }
    .contact-info{
        text-align: center;
    }
    .contact-info h2{
        margin-bottom: 50px;
    }
    .nav-menu {
        position: fixed;
        top: 82px;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(248, 249, 250, 0.98));
        backdrop-filter: blur(15px);
        flex-direction: column;
        padding: 30px 0;
        box-shadow: 0 15px 40px rgba(242, 123, 0, 0.15);
        border-bottom: 3px solid var(--primary-color);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        animation: slideDown 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    
    @keyframes slideDown {
        0% {
            transform: translateY(-100%);
            opacity: 0;
        }
        50% {
            transform: translateY(-50%);
            opacity: 0.7;
        }
        100% {
            transform: translateY(0);
            opacity: 1;
        }
    }
    
    .nav-link {
        padding: 18px 40px;
        margin: 5px 20px;
        border-radius: 12px;
        text-align: center;
        font-weight: 600;
        font-size: 1.1rem;
        color: var(--text-dark);
        background: rgba(255, 255, 255, 0.7);
        transition: all 0.3s ease;
        border: 2px solid transparent;
        position: relative;
        overflow: hidden;
    }
    
    .nav-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(242, 123, 0, 0.1), transparent);
        transition: left 0.5s ease;
    }
    
    .nav-link:hover::before {
        left: 100%;
    }
    
    .nav-link:hover {
        background: var(--primary-color);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(242, 123, 0, 0.3);
        border-color: var(--primary-light);
    }
    
    .nav-link:active {
        transform: translateY(0);
    }
    
    .nav-contact-mobile {
        display: block;
        background: var(--primary-color) !important;
        color: white !important;
        font-weight: 700;
        margin-top: 10px;
        box-shadow: 0 8px 25px rgba(242, 123, 0, 0.3);
    }
    
    .nav-contact-mobile:hover {
        background: var(--primary-dark) !important;
        transform: translateY(-3px);
        box-shadow: 0 12px 35px rgba(242, 123, 0, 0.4);
    }
    
    .hamburger {
        display: flex;
        position: relative;
        width: 30px;
        height: 30px;
        cursor: pointer;
        padding: 5px;
        border-radius: 8px;
        transition: all 0.3s ease;
    }
    
    .hamburger:hover {
        background: rgba(242, 123, 0, 0.1);
    }
    
    .hamburger span {
        display: block;
        width: 22px;
        height: 3px;
        background: var(--text-dark);
        border-radius: 2px;
        transition: all 0.3s ease;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
    }
    
    .hamburger span:nth-child(1) {
        top: 6px;
    }
    
    .hamburger span:nth-child(2) {
        top: 50%;
        transform: translate(-50%, -50%);
    }
    
    .hamburger span:nth-child(3) {
        bottom: 6px;
    }
    
    .hamburger.active span:nth-child(1) {
        top: 50%;
        transform: translate(-50%, -50%) rotate(45deg);
        background: var(--primary-color);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0);
    }
    
    .hamburger.active span:nth-child(3) {
        bottom: auto;
        top: 50%;
        transform: translate(-50%, -50%) rotate(-45deg);
        background: var(--primary-color);
    }
    
    .hamburger.active {
        background: rgba(242, 123, 0, 0.15);
    }
}
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-content {
        text-align: center;
    }
    
    .footer-copyright {
        text-align: center;
    }
    
    .slider-controls {
        bottom: 30px;
    }


@media (max-width: 580px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .contact{
        padding-left: 15px;
        padding-right: 15px;
    }
    .container {
        padding: 0 15px;
    }
    
    .nav-container {
        padding: 0 15px;
    }
    
    .nav-logo {
        font-size: 14px;
    }
    
    .logo-icon {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
    
    .logo-image {
        height: 30px;
    }
    
    .nav-menu {
        top: 75px;
    }
    
    .cta-button {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* Fallback background for slides */
.slide {
    background-image: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}