/* Merbil Eğitim Araçları CSS */

:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #25d366;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

/* Genel Stiller */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    padding-top: 76px; /* Navbar yüksekliği için */
}

.text-primary {
    color: var(--primary-color) !important;
}

/* Header */
.navbar {
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1s ease 0.2s both;
}

.btn-hero {
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.4s both;
}

.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Ürün Kartları */
.product-card {
    border: none;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.product-image {
    height: 250px;
    background: linear-gradient(45deg, #f8f9fa, #e9ecef);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-placeholder {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.3;
}

.product-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.product-description {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.product-dimensions {
    background: var(--light-color);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--secondary-color);
    display: inline-block;
    margin-bottom: 1rem;
}

.product-price-tag {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1), rgba(102, 126, 234, 0.1));
    padding: 0.75rem;
    border-radius: 10px;
    text-align: center;
    border: 2px solid rgba(0, 123, 255, 0.2);
}

.product-price-tag .h5 {
    font-weight: 700;
    margin-bottom: 0;
}

.product-price-tag small {
    font-size: 0.75rem;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 70px;
    height: 70px;
    bottom: 40px;
    right: 40px;
    z-index: 1000;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background-color: var(--success-color);
    color: white;
    border-radius: 50%;
    text-decoration: none;
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-btn:hover {
    background-color: #128c7e;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: var(--light-color);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.about-image {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-control {
    border-radius: 10px;
    border: 2px solid #e9ecef;
    padding: 12px 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Scroll Animations */
.scroll-fade {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 60px;
        height: 60px;
    }
    
    .whatsapp-btn {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .contact-form {
        padding: 20px;
    }
}

@media (max-width: 576px) {
    body {
        padding-top: 66px;
    }
    
    .hero-section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .features-section,
    .about-section,
    .contact-section {
        padding: 60px 0;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success Message */
.alert-success {
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.alert-danger {
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #dc3545, #fd7e14);
    color: white;
}