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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #fff;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    height: 100vh;
    padding: 8rem 2rem 6rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: #fff;
    font-weight: 300;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

.hero-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-size: 1.1rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.hero-button:hover {
    background-color: rgba(255, 255, 255, 0.9);
    color: #000;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.8);
}

/* About Section */
.about-section {
    padding: 5rem 0;
    background-color: #f8f8f8;
}

.about-subtitle {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    color: #666;
    letter-spacing: 1px;
}

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

.about-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    text-align: center;
    font-weight: 300;
}

/* Models Section */
.models-section {
    padding: 5rem 0;
    background-color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 3rem;
    letter-spacing: 2px;
    color: #000;
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.7rem 1.8rem;
    background-color: #fff;
    color: #000;
    border: 1px solid #000;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: #f5f5f5;
}

.filter-btn.active {
    background-color: #000;
    color: #fff;
}

/* Models Grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
    min-height: 300px;
}

/* Loader */
.loader {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader p {
    margin-top: 1rem;
    color: #666;
    font-size: 1rem;
}

/* Model Card */
.model-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    cursor: pointer;
    animation: fadeIn 0.5s ease;
    height: 450px;
}

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

.model-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.model-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #f5f5f5;
}

.model-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.model-card:hover .model-image {
    transform: scale(1.08);
}

.model-prices {
    position: absolute;
    bottom: 15px;
    left: 15px;
    right: 15px;
    display: flex;
    flex-direction: row;
    gap: 0.6rem;
    z-index: 2;
    flex-wrap: wrap;
}

.price-tag {
    padding: 0.5rem 0.8rem;
    background-color: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    font-size: 0.8rem;
    color: #333;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    letter-spacing: 0.5px;
    width: fit-content;
}

.price-tag strong {
    color: #000;
    font-weight: 600;
    margin-right: 0.3rem;
}

.model-name-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent);
    padding: 1.5rem 1.5rem 5rem;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s ease;
    z-index: 1;
}

.model-card:hover .model-name-overlay {
    opacity: 1;
    transform: translateY(0);
}

.model-name {
    font-size: 1.5rem;
    font-weight: 500;
    color: #fff;
    letter-spacing: 1.5px;
    text-align: center;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.no-models {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: #666;
}

.no-models h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 1rem;
}

.no-models p {
    font-size: 1.1rem;
}

/* WhatsApp Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 35px;
    height: 35px;
    fill: white;
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .hero {
        height: 100vh;
        padding: 5rem 1.5rem 4rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

    .hero-button {
        padding: 0.8rem 2rem;
        font-size: 1rem;
    }

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

    .about-subtitle {
        font-size: 1.3rem;
    }

    .about-text {
        font-size: 1rem;
    }

    .models-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .model-card {
        height: 400px;
    }

    .model-name-overlay {
        opacity: 1;
        transform: translateY(0);
        top: auto;
        bottom: 0;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
        padding: 5rem 1.5rem 1.5rem;
    }

    .model-name {
        font-size: 1.1rem;
    }

    .container {
        padding: 0 1rem;
    }

    .filter-buttons {
        gap: 0.7rem;
    }

    .filter-btn {
        padding: 0.6rem 1.4rem;
        font-size: 0.9rem;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }

    .whatsapp-float svg {
        width: 30px;
        height: 30px;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 100vh;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .about-subtitle {
        font-size: 1.2rem;
    }

    .about-text {
        font-size: 0.95rem;
    }

    .models-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .model-card {
        height: 350px;
    }

    .model-name-overlay {
        opacity: 1;
        transform: translateY(0);
        top: auto;
        bottom: 0;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
        padding: 5rem 1.5rem 1.5rem;
    }

    .model-name {
        font-size: 0.95rem;
    }

    .price-tag {
        font-size: 0.75rem;
        padding: 0.4rem 0.7rem;
    }

    .filter-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        padding: 0 1rem;
    }

    .filter-btn {
        width: 100%;
    }

    .whatsapp-float {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}