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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #3498db;
    --light-bg: #ecf0f1;
    --dark-text: #2c3e50;
    --light-text: #7f8c8d;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Navigasyon */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.nav-brand-link {
    text-decoration: none;
    transition: var(--transition);
}

.nav-brand-link:hover {
    opacity: 0.8;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-brand .logo-img {
    height: 65px;
    width: auto;
    object-fit: contain;
}

.nav-brand i {
    color: var(--secondary-color);
    font-size: 1.8rem;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

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

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

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

.nav-social {
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    color: var(--white);
    font-size: 1.1rem;
    transition: var(--transition);
    text-decoration: none;
}

.social-icon:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

/* Hero Slider */
.hero {
    margin-top: 70px;
    height: 90vh;
    position: relative;
    overflow: hidden;
}

.slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
}

.slide:nth-child(1) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.slide:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.slide:nth-child(3) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.slide.active {
    opacity: 1;
}

.slide-content {
    text-align: center;
    color: var(--white);
    z-index: 2;
    padding: 20px;
}

.slide-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.slide-content p {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.3s backwards;
}

.fade-in {
    animation: fadeInUp 1s ease;
}

.fade-in-delay {
    animation: fadeInUp 1s ease 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeInUp 1s ease 0.6s backwards;
}

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

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: var(--white);
    font-size: 2rem;
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 3;
    border-radius: 5px;
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.5);
}

.slider-btn.prev {
    left: 20px;
}

.slider-btn.next {
    right: 20px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 3;
}

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

.dot.active {
    background: var(--white);
    width: 30px;
    border-radius: 6px;
}

/* Butonlar */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: var(--transition);
    font-weight: 600;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #c0392b;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.4);
}

/* Sections */
section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

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

.divider {
    width: 80px;
    height: 4px;
    background: var(--secondary-color);
    margin: 15px auto;
    border-radius: 2px;
}

/* Hakkımızda */
.about {
    background: var(--light-bg);
}

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

.about-text h3 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

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

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature i {
    color: var(--secondary-color);
    font-size: 1.5rem;
}

.about-image .image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 8rem;
}

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

.service-card {
    background: transparent;
    perspective: 1000px;
    height: 320px;
}

.service-card .card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.service-card:hover .card-inner {
    transform: rotateY(180deg);
}

.service-card .card-front,
.service-card .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.service-card .card-back {
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    color: var(--white);
    transform: rotateY(180deg);
}

.service-card .card-back ul {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.service-card .card-back ul li {
    margin: 10px 0;
    font-size: 1.1rem;
}

.service-card .card-back h3 {
    color: var(--white);
    margin-bottom: 10px;
}

.service-card .card-back .service-icon {
    background: rgba(255,255,255,0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: var(--white);
}

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

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

/* Ürünler */
.products {
    background: var(--light-bg);
}

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

.product-card {
    background: transparent;
    perspective: 1000px;
    height: 350px;
}

.product-card .card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.product-card:hover .card-inner {
    transform: rotateY(180deg);
}

.product-card .card-front,
.product-card .card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card .card-back {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    transform: rotateY(180deg);
    justify-content: center;
    align-items: center;
    padding: 30px;
}

.product-card .card-back h3 {
    color: var(--white);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.product-card .card-back ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.product-card .card-back ul li {
    margin: 12px 0;
    font-size: 1.05rem;
    padding-left: 10px;
}

.product-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4rem;
}

.product-card h3 {
    padding: 20px 20px 10px;
    color: var(--primary-color);
}

.product-card p {
    padding: 0 20px 20px;
    color: var(--light-text);
}

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.blog-image {
    height: 200px;
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 4rem;
}

.blog-content {
    padding: 25px;
}

.blog-date {
    color: var(--light-text);
    font-size: 0.9rem;
}

.blog-card h3 {
    margin: 15px 0;
    color: var(--primary-color);
    font-size: 1.3rem;
}

.blog-card p {
    color: var(--light-text);
    line-height: 1.6;
    margin-bottom: 15px;
}

.read-more {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--primary-color);
}

/* İletişim */
.contact {
    background: var(--light-bg);
}

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

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-text h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

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

.contact-text a {
    color: var(--light-text);
    text-decoration: none;
    transition: var(--transition);
}

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

.contact-map {
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    overflow: hidden;
    height: 450px;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p {
    line-height: 1.6;
    color: rgba(255,255,255,0.8);
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--white);
    padding-left: 5px;
}

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

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

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

.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);
}

/* Scroll Top Button */
.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    z-index: 999;
    animation: whatsappPulse 2s infinite;
}

.whatsapp-btn:hover {
    background: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes whatsappPulse {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 25px rgba(37, 211, 102, 0.7);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 0 20px;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        opacity: 0;
        visibility: hidden;
    }

    .nav-menu.active {
        max-height: 500px;
        padding: 20px;
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu li {
        opacity: 0;
        transform: translateY(-10px);
        transition: var(--transition);
    }
    
    .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }
    
    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu.active li:nth-child(5) { transition-delay: 0.3s; }
    .nav-menu.active li:nth-child(6) { transition-delay: 0.35s; }
    .nav-menu.active li:nth-child(7) { transition-delay: 0.4s; }

    .nav-social {
        justify-content: center;
        padding-top: 10px;
        border-top: 1px solid #eee;
        margin-top: 10px;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

    .slider-btn {
        padding: 0.5rem 1rem;
        font-size: 1.5rem;
    }

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

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .slide-content h1 {
        font-size: 1.5rem;
    }

    .slide-content p {
        font-size: 0.9rem;
    }

    .nav-brand {
        font-size: 1.2rem;
    }

    .contact-form {
        padding: 20px;
    }

    .whatsapp-btn {
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
        bottom: 20px;
        left: 20px;
    }
}