/* Variables */
:root {
    --primary-color: #1a237e;
    --secondary-color: #4a148c;
    --accent-color: #ffd700;
    --background-color: #f8f9fa;
    --text-color: #2c3e50;
    --header-font: 'Poppins', sans-serif;
}

/* General Styles */
body {
    font-family: var(--header-font);
    padding-top: 76px;
    color: var(--text-color);
    scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--header-font);
    font-weight: 600;
    letter-spacing: -0.5px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.98) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.nav-logo {
    height: 60px;
    width: auto;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link {
    font-weight: 500;
    color: var(--primary-color) !important;
    position: relative;
    padding: 0.5rem 1rem !important;
    margin: 0 0.2rem;
}

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

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

/* Login Button */
.btn-login {
    background-color: var(--primary-color);
    color: white;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
}

.btn-login:hover {
    background-color: transparent;
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* Login Modal */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.modal-header {
    padding: 1.5rem 1.5rem 0.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-title {
    color: var(--primary-color);
    font-weight: 600;
}

.form-label {
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.form-control:focus {
    box-shadow: none;
    border-color: var(--primary-color);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.modal .btn-primary {
    border-radius: 8px;
    padding: 0.8rem;
    font-weight: 500;
    background-color: var(--primary-color);
    border: none;
}

.modal .btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(26, 35, 126, 0.9), rgba(74, 20, 140, 0.9)), url('https://images.unsplash.com/photo-1497633762265-9d179a990aa6?ixlib=rb-4.0.3');
    background-size: cover;
    background-position: center;
    height: 90vh;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.05" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,208C1248,224,1344,192,1392,176L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero .lead {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

/* Cards */
.card {
    transition: all 0.3s ease;
    border: none;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.card-body {
    padding: 2rem;
}

.card-title {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
}

.card-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -8px;
    height: 3px;
    width: 40px;
    background-color: var(--accent-color);
}

/* Forms */
.form-control {
    border-radius: 0;
    padding: 0.8rem;
}

.btn {
    border-radius: 0;
    padding: 0.8rem 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Contact Section */
.fas {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .lead {
        font-size: 1.2rem;
    }
    
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero .lead {
        font-size: 1rem;
    }
    
    .nav-logo {
        height: 40px;
    }
}

/* Animations */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background-color: #0056b3;
}

/* Section Spacing */
section {
    padding: 80px 0;
}

/* Footer */
footer {
    margin-top: 2rem;
}

/* Additional Responsive Enhancements */
@media (max-width: 992px) {
    .navbar-nav {
        text-align: left;
        padding-left: 15px;
    }
    
    .nav-item {
        margin: 10px 0;
    }

    .navbar-nav .nav-link {
        padding-left: 0 !important;
    }

    .navbar-nav .nav-link::after {
        left: 0;
        transform: none;
    }

    .ms-lg-3 {
        margin: 10px 15px;
    }

    .btn-login {
        display: block;
        width: 100%;
        text-align: center;
        margin-top: 10px;
        padding: 12px;
    }

    .navbar-collapse {
        padding: 10px 0;
    }
}