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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1400px; /* Biraz daha genişletildi */
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Navigasyon --- */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

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

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* --- Header / Ana Sayfa --- */
.header {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: white;
    padding-top: 80px;
}

.header-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.pexels.com/photos/2674052/pexels-photo-2674052.jpeg?auto=compress&cs=tinysrgb&w=1260&h=750&dpr=2');
    background-size: cover;
    background-position: center;
    animation: zoom-in 25s ease-out infinite;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(45, 55, 72, 0.7) 0%, rgba(118, 75, 162, 0.6) 100%);
    z-index: 1;
}

@keyframes zoom-in {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-headline {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
    line-height: 1.2;
}

.hero-subheadline {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.4);
    opacity: 0.95;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 400;
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: #f0f2ff;
}

/* --- Genel Bölüm Başlığı --- */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem; /* Subtitle için boşluk azaltıldı */
    color: #333;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto 4rem auto;
    font-weight: 300;
}

/* --- Ürünler Bölümü (Carousel) --- */
.products {
    padding: 100px 0;
    background: #f8f9fa;
    overflow: hidden;
}

.product-carousel-wrapper {
    position: relative;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

.product-carousel {
    display: flex;
    gap: 2rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    scroll-snap-type: x mandatory;
    padding: 20px 0;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.product-carousel::-webkit-scrollbar {
    display: none;
}

.product-card {
    flex: 0 0 380px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    scroll-snap-align: center;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.product-image-wrapper {
    width: 100%;
    height: 300px;
    border-radius: 20px 20px 0 0;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.product-content {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: #667eea;
    text-align: center;
}

.product-subtitle {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: #764ba2;
    text-align: center;
    font-weight: 600;
}

.product-description {
    color: #666;
    line-height: 1.8;
    font-size: 0.95rem;
    flex: 1;
}

.product-description strong {
    color: #333;
    display: block;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    z-index: 10;
}

.carousel-btn:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.25);
}

.carousel-btn:hover svg {
    fill: white;
}

.carousel-btn svg {
    width: 24px;
    height: 24px;
    fill: #667eea;
    transition: fill 0.3s;
}

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

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ccc;
    cursor: pointer;
    transition: all 0.3s;
}

.carousel-dot.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    width: 30px;
    border-radius: 6px;
}

/* --- Kullanım Alanları --- */
.usage-areas {
    padding: 100px 0;
    background: white;
}

.usage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.usage-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    transition: all 0.4s;
}

.usage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.usage-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.usage-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 70%, transparent 100%);
    padding: 2rem;
    color: white;
}

.usage-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.usage-description {
    font-size: 1rem;
    line-height: 1.6;
    opacity: 0.95;
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

/* --- Geliştirilmiş Teknoloji Bölümü --- */
.tech-specs-v2 {
    padding: 100px 0;
    background-color: #ffffff;
}

.tech-specs-v2 .section-title {
    color: #333;
    margin-bottom: 1rem;
}

.tech-specs-v2 .section-title::after {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.tech-card {
    text-align: center;
    background: #f8f9fa;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    border: 1px solid #e9ecef;
    transition: all 0.4s ease;
}

.tech-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: transparent;
}

.tech-icon {
    margin-bottom: 1.5rem;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-icon img {
    height: 80px;
    width: 80px;
}

.tech-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #4a5568;
}

.tech-description {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #718096;
}

/* --- İletişim Bölümü --- */
.contact {
    padding: 100px 0;
    background: white;
}

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

.contact-item {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s;
}

.contact-item:hover {
    background: #f8f9fa;
    transform: translateY(-5px);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-icon svg {
    width: 30px;
    height: 30px;
}

.contact-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-detail {
    color: #666;
}

/* --- Footer --- */
.footer {
    background: #2d3748;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

/* --- Animasyon Sınıfları --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- SEO Text (Görsel olarak gizli ama Google görür) --- */
.seo-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* --- ================================== --- */
/* --- MOBİL UYUMLULUK (RESPONSIVE) KODLARI --- */
/* --- ================================== --- */
@media (max-width: 768px) {
    /* --- Genel Ayarlamalar --- */
    .container {
        padding: 0 15px; /* Mobilde yan boşlukları azalt */
    }

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

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

    /* --- Navigasyon Menüsü Düzeltmesi --- */
    .nav-content {
        flex-direction: column; /* Logoyu ve linkleri alt alta getir */
        padding-bottom: 0.5rem;
    }

    .logo-text {
        margin-bottom: 10px; /* Logo ile linkler arasına boşluk koy */
    }

    .nav-links {
        gap: 1.5rem; /* Linkler arası boşluğu ayarla */
        width: 100%;
        justify-content: center; /* Linkleri ortala */
    }

    /* --- Header / Ana Sayfa Mobil Düzeltmesi --- */
    .hero-headline {
        font-size: 2.5rem;
    }

    .hero-subheadline {
        font-size: 1.1rem;
    }

    .hero-features {
        gap: 0.8rem; /* Etiketler arası boşluğu azalt */
    }

    /* --- Ürünler Carousel Mobil Düzeltmesi --- */
    .product-carousel-wrapper {
        padding: 0 15px; /* Yan boşlukları azaltarak carousel'e daha fazla yer aç */
    }

    .product-card {
        flex: 0 0 300px; /* Kartların mobil ekranda çok geniş kalmasını engelle */
    }

    .carousel-btn {
        /* Butonları biraz daha küçült */
        width: 40px;
        height: 40px;
    }

    /* --- Kullanım Alanları Mobil Düzeltmesi --- */
    .usage-grid {
        grid-template-columns: 1fr; /* Kartları alt alta sırala */
        gap: 2rem;
    }

    .usage-image {
        height: 300px;
    }

    /* --- Teknoloji Bölümü Mobil Düzeltmesi --- */
    .tech-card {
        padding: 2rem 1.5rem;
    }

    /* --- İletişim Bölümü Mobil Düzeltmesi --- */
    .contact-grid {
        gap: 1rem;
    }
}