body {
    font-family: 'Poppins', sans-serif;
    background-color: #f0f2f5; 
    color: #333;
    overflow-x: hidden; 
}

/* --- Style Guidelines --- */
:root {
    --bs-primary: #0d6efd;
    --bs-primary-rgb: 13, 110, 253;
    --bs-dark: #212529;
    --bs-dark-rgb: 33, 37, 41;
}

.bg-light-gray {
    background-color: #e9ecef; 
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.navbar-brand {
    font-weight: 800;
}

/* Section Headings */
.section-heading {
    font-weight: 800;
    color: #212529;
    margin-bottom: 3.5rem; 
    position: relative;
    padding-bottom: 15px;
    font-size: 2.8rem; 
}

.section-heading::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    height: 5px; 
    width: 80px; 
    background-color: var(--bs-primary);
    border-radius: 3px;
}

.section-heading-small { 
    font-size: 2rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
    margin-bottom: 2.5rem;
}

.section-heading-small::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
    height: 3px;
    width: 50px;
    background-color: var(--bs-primary);
    border-radius: 2px;
}

/* --- Navbar --- */
.navbar {
    background-color: var(--bs-dark) !important;
}
.navbar-nav .nav-link {
    font-weight: 500;
    margin: 0 0.75rem;
    transition: color 0.3s ease;
}
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--bs-primary) !important;
}

/* --- Hero Section Styles --- */
.hero-section {
    position: relative;
    height: 90vh; 
    color: white;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5); 
    overflow: hidden; 
    background-color: #0c1a35; 
}

.hero-bg-parallax {
    background: url('https://images.unsplash.com/photo-1501281668745-f7f57925c3b4?auto=format&fit=crop&q=80&w=2070') no-repeat center center fixed;
    background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: translateZ(0); 
    filter: brightness(0.5) contrast(1.1); 
}

.hero-section::before { 
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(13, 110, 253, 0.7), rgba(0, 22, 64, 0.85));
    z-index: 0;
}

.hero-section .container {
    z-index: 1; 
}

.hero-section h1 {
    font-weight: 800;
    font-size: 4.5rem; 
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-section p {
    font-size: 1.4rem;
    font-weight: 300;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-section .btn {
    letter-spacing: 1px;
    font-weight: 600;
    border: none;
    background-color: var(--bs-primary);
    box-shadow: 0 5px 15px rgba(var(--bs-primary-rgb), 0.3);
    transition: all 0.3s ease;
}

.hero-section .btn:hover {
    background-color: darken(var(--bs-primary), 10%);
    box-shadow: 0 8px 20px rgba(var(--bs-primary-rgb), 0.4);
    transform: translateY(-2px);
}


/* --- Event Cards --- */
.event-card {
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out, background-color 0.3s ease;
    border: none;
    border-radius: 1rem; 
    overflow: hidden;
    background-color: #ffffff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.event-card:hover {
    transform: translateY(-8px) scale(1.02); 
    box-shadow: 0 15px 35px rgba(0,0,0,0.15); 
    background-color: #fefefe;
}

.event-card img {
    transition: transform 0.4s ease-in-out;
    height: 200px; 
    object-fit: cover;
}

.event-card:hover img {
    transform: scale(1.08) rotate(1deg);
}

.event-card .card-body {
    padding: 1.5rem;
}

.event-card .card-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: #343a40;
    margin-bottom: 0.75rem;
}

.event-card .card-text {
    font-size: 0.95rem;
    color: #6c757d;
    line-height: 1.6;
}

.event-card .btn-outline-primary {
    border-color: var(--bs-primary);
    color: var(--bs-primary);
    transition: all 0.3s ease;
    border-width: 2px;
    font-weight: 600;
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
}

.event-card .btn-outline-primary:hover {
    background-color: var(--bs-primary);
    color: white;
    transform: translateY(-1px);
}

/* --- Dropdown Filters --- */
.dropdown-toggle {
    border-radius: 50px !important;
    font-weight: 500;
}

.dropdown-menu {
    border-radius: 0.75rem;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border: none;
}

.dropdown-item {
    transition: background-color 0.2s ease, color 0.2s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--bs-primary);
}

.dropdown-item:active {
    background-color: var(--bs-primary);
    color: white;
}

/* --- Features Section --- */
.feature-box {
    background-color: #ffffff;
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
    border-radius: 1rem !important;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
    padding: 2.5rem !important;
    border-top: 5px solid var(--bs-primary);
}

.feature-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15) !important;
}

.feature-box i {
    color: var(--bs-primary);
    font-size: 4rem !important; 
    margin-bottom: 1rem;
    display: block;
}

.feature-box h4 {
    color: #212529;
    font-size: 1.7rem;
    margin-bottom: 0.75rem;
}

.feature-box p {
    color: #6c757d;
}

/* --- Testimonial Section --- */
#testimonials {
    background: linear-gradient(45deg, #f8f9fa, #e9ecef); 
}

#testimonialCarousel .carousel-item {
    padding: 2rem 0;
}

#testimonialCarousel img {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border: 5px solid var(--bs-primary) !important;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

#testimonialCarousel .lead {
    font-size: 1.3rem;
    line-height: 1.8;
    color: #495057;
}

#testimonialCarousel .carousel-indicators button {
    background-color: var(--bs-primary);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin: 0 5px;
}

#testimonialCarousel .carousel-control-prev-icon,
#testimonialCarousel .carousel-control-next-icon {
    filter: invert(1); 
}


/* --- Newsletter Section --- */
#newsletter {
    background-color: var(--bs-primary) !important;
    background: linear-gradient(90deg, #0d6efd, #0056b3); 
    padding: 5rem 0;
}

#newsletter h2 {
    font-size: 2.8rem;
    font-weight: 800;
}

#newsletter p {
    font-weight: 300;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

#newsletter .input-group {
    max-width: 600px;
}

#newsletter .form-control {
    border: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

#newsletter .btn-dark {
    background-color: var(--bs-dark);
    border-color: var(--bs-dark);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

#newsletter .btn-dark:hover {
    background-color: #000;
    border-color: #000;
    transform: translateY(-2px);
}


/* --- About Section --- */
#about {
    background-color: #ffffff; 
}

/* --- Contact Form --- */
#contact .bg-white {
    border-radius: 1.5rem !important;
    box-shadow: 0 15px 40px rgba(0,0,0,0.08) !important;
    padding: 3rem !important;
}

#contact .form-control-lg,
#contact .form-select-lg {
    border-radius: 0.75rem;
    padding: 0.8rem 1.2rem;
    font-size: 1.1rem;
}

#contact .form-label {
    font-weight: 600;
    color: #495057;
}

/* --- Modal Styles --- */
.modal-content {
    border-radius: 1.5rem !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15) !important;
}

.modal-header .btn-close {
    font-size: 1rem;
}

.modal-body img {
    border-radius: 1rem !important;
}

.modal-body p {
    font-size: 1.05rem;
    color: #555;
}

.modal-body strong {
    color: #333;
}

.modal-body i {
    color: var(--bs-primary);
}

/* --- Footer --- */
footer {
    background-color: var(--bs-dark) !important;
    border-top: 5px solid var(--bs-primary); 
}

.footer .social-icons a {
    transition: transform 0.3s ease, color 0.3s ease;
}

.footer .social-icons a:hover {
    color: var(--bs-primary) !important;
    transform: translateY(-3px) scale(1.1);
}


/* Responsive Adjustments */
@media (max-width: 992px) {
    .hero-section h1 {
        font-size: 3.5rem;
    }
    .hero-section p {
        font-size: 1.1rem;
    }
    .section-heading {
        font-size: 2.2rem;
    }
    #newsletter .input-group {
        width: 80% !important;
    }
}

@media (max-width: 768px) {
    .hero-section {
        height: 70vh;
    }
    .hero-section h1 {
        font-size: 2.5rem;
    }
    .hero-section p {
        font-size: 1rem;
    }
    .section-heading {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    .section-heading::after {
        width: 50px;
    }
    #newsletter .input-group {
        width: 95% !important;
        flex-direction: column;
    }
    #newsletter .form-control {
        border-radius: 0.75rem !important;
        margin-bottom: 10px;
    }
    #newsletter .btn-dark {
        border-radius: 0.75rem !important;
        width: 100%;
    }
    .event-card img {
        height: 180px;
    }
    .feature-box {
        padding: 2rem !important;
    }
    .feature-box i {
        font-size: 3rem !important;
    }
    .feature-box h4 {
        font-size: 1.4rem;
    }
}