/* AK Fitness - Modern Fitness Merkezi CSS */

/* CSS Variables */
:root {
    --primary-color: #D90429;
    --secondary-color: #2B2D42;
    --accent-color: #EDF2F4;
    --success-color: #06FFA5;
    --warning-color: #FFB800;
    --dark-color: #1A1B25;
    --light-color: #F8F9FA;
    --gradient-primary: linear-gradient(135deg, #D90429 0%, #FF6B6B 100%);
    --gradient-secondary: linear-gradient(135deg, #2B2D42 0%, #4A4E69 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 10px;
    --transition: all 0.3s ease;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

/* Navigation */
.navbar {
    background: rgba(43, 45, 66, 0.95) !important;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link {
    color: white !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: var(--transition);
    position: relative;
}

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

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

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

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(43, 45, 66, 0.8), rgba(43, 45, 66, 0.8)), 
                url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-overlay {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-section .lead {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    padding: 0.75rem 2rem;
    transition: var(--transition);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow);
}

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

.btn-outline-light {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.btn-outline-light:hover {
    background: white;
    color: var(--secondary-color);
    transform: translateY(-2px);
}

/* About Section */
.about-features {
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-content h5 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.about-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Services Section */
.service-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    height: 100%;
    border: 1px solid #e9ecef;
}

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

.service-card.featured {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
}

.service-badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background: var(--gradient-primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.service-card h4 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    text-align: left;
}

.service-features li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.service-features i {
    color: var(--success-color);
    font-size: 0.9rem;
}

.service-price {
    margin: 1.5rem 0;
    padding: 1rem;
    background: var(--accent-color);
    border-radius: var(--border-radius);
}

.service-price .price {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.service-price .period {
    color: var(--secondary-color);
    font-size: 1rem;
}

/* Gallery Section */
.gallery-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-hover);
}

.gallery-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(217, 4, 41, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: white;
    font-size: 2rem;
}

/* Contact Section */
.contact-form {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 2px solid #e9ecef;
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(217, 4, 41, 0.25);
}

/* Footer */
.footer {
    background: var(--gradient-secondary);
}

.footer h5 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.social-links {
    margin-top: 1rem;
}

.social-link {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    margin-right: 0.5rem;
    transition: var(--transition);
}

.social-link:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-2px);
}

.contact-info .contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.contact-info .contact-item i {
    color: var(--primary-color);
    width: 20px;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

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

.footer-links a:hover {
    color: var(--primary-color);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 1000;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.animate__fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate__delay-1s {
    animation-delay: 0.3s;
}

.animate__delay-2s {
    animation-delay: 0.6s;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card.featured {
        transform: none;
    }
    
    .navbar-nav .nav-link {
        margin: 0.5rem 0;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 576px) {
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
}

/* 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: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Success/Error Messages */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: var(--success-color);
    color: var(--dark-color);
}

.alert-danger {
    background: var(--primary-color);
    color: white;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #b3001e;
}