/* Reset and Base Styles */
:root {
    --primary-color: #dc3545;
    --primary-dark: #c82333;
    --dark-color: #121212;
    --darker-color: #0a0a0a;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --card-bg: rgba(255, 255, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--darker-color);
    color: var(--light-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    padding-top: 80px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.section-title {
    position: relative;
}
.navbar-dark .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke='rgba(255,77,77,1)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
}

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


.section-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.8;
}

/* Navigation */
.navbar {
    padding: 0.5rem 0;
    transition: all 0.3s ease;
    background: rgba(18, 18, 18, 0.95) !important;
    backdrop-filter: blur(10px);
}

.navbar-brand {
    font-size: 1.8rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.btn-join {
    padding: 0.5rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 50px;
}

.btn-join:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(220, 53, 69, 0.3);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.9), rgba(18, 18, 18, 0.95));
    min-height: 100vh;
    display: flex;
    align-items: center;

    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 50%, rgba(220, 53, 69, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    background: linear-gradient(45deg, #fff, var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.hero-image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--primary-color), transparent);
    opacity: 0.2;
    z-index: 1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.hero-image-container:hover .hero-image {
    transform: scale(1.05);
}

/* About Section */
.about-section {
    background-color: var(--dark-color);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: radial-gradient(circle, rgba(220, 53, 69, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.about-image {
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.feature-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: 10px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-item:hover {
    background: rgba(220, 53, 69, 0.1);
    transform: translateX(10px);
    border-color: var(--primary-color);
}

/* Class Cards */
.class-section {
    background: var(--darker-color);
}

.class-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
}

.class-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(220, 53, 69, 0.2);
    border-color: var(--primary-color);
}

.class-image {
    height: 250px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

/* Trainers Section */
.trainers-section {
    background: var(--dark-color);
}

.trainer-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
}

.trainer-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.trainer-image-container {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    height: 300px;
}

.trainer-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Testimonials Section */
.testimonials-section {
    background: var(--darker-color);
}

.testimonial-card {
    background: var(--card-bg);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.rating i {
    font-size: 1.2rem;
}

.testimonial-author img {
    border: 3px solid var(--primary-color);
    width: 50px;
    height: 50px;
    object-fit: cover;
}

/* Gallery Section */
.gallery-section {
    background: var(--dark-color);
}

.gallery-item {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    height: 250px;
    transition: all 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.1);
    filter: brightness(1.2);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(220, 53, 69, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* Blog Section */
.blog-section {
    background: var(--darker-color);
}

.blog-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.blog-image {
    height: 200px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.blog-category {
    font-size: 0.9rem;
    letter-spacing: 1px;
}

/* Contact Section */
.contact-section {
    background: var(--dark-color);
}

.contact-form .form-control {
    font-size: 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1rem;
    transition: all 0.3s ease;
}

.contact-form .form-control:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.contact-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contact-info {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.icon-box {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

/* Modal */
.modal-content {
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Footer */
.footer-section {
    background: var(--darker-color);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    display: block;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 15px rgba(220, 53, 69, 0.3);
    transition: all 0.3s ease;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* Buttons */
.btn {
    font-weight: 600;
    transition: all 0.3s ease;
    border-radius: 50px;
}

.btn-lg {
    padding: 1rem 2rem;
}

.btn-danger {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
    border: none;
}

.btn-danger:hover {
    background: linear-gradient(45deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(220, 53, 69, 0.3);
}

.btn-outline-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-section {
        padding: 80px 0 30px;
        min-height: auto;
    }
    
    .navbar-collapse {
        background: rgba(18, 18, 18, 0.95);
        padding: 1rem;
        border-radius: 10px;
        margin-top: 1rem;
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .gallery-item {
        height: 200px;
    }
    
    .trainer-image-container {
        height: 250px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        margin-bottom: 1rem;
    }
    
    .feature-item {
        padding: 0.75rem;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .gallery-item {
        height: 150px;
    }
    
    .trainer-image-container {
        height: 200px;
    }
    
    .class-image {
        height: 200px;
    }
    
    .blog-image {
        height: 150px;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--darker-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(45deg, var(--primary-color), #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.bg-gradient-dark {
    background: linear-gradient(135deg, var(--dark-color), var(--darker-color));
}