:root {
    --primary-color: #0A192F;
    --secondary-color: #FFD700;
    --text-color-light: #F0F2F5;
    --text-color-dark: #333;
    --accent-color: #007bff;
    --hover-color: #FFEA00;
}

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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-color-dark);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* Header Styles */
.site-header {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
}

.site-header .logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.site-header .logo:hover {
    color: var(--hover-color);
}

.site-header .main-nav ul {
    display: flex;
    gap: 1.5rem;
}

.site-header .main-nav a {
    color: var(--text-color-light);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
    transition: color 0.3s ease;
}

.site-header .main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.site-header .main-nav a:hover::after,
.site-header .main-nav a.active::after {
    width: 100%;
}

.site-header .main-nav a:hover,
.site-header .main-nav a.active {
    color: var(--secondary-color);
}

.auth-buttons {
    display: flex;
    gap: 0.8rem;
}

.btn {
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
}

.btn-login {
    background-color: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn-login:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

.btn-register {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 2px solid var(--secondary-color);
}

.btn-register:hover {
    background-color: var(--hover-color);
    border-color: var(--hover-color);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--secondary-color);
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1000;
}

.menu-toggle .hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--secondary-color);
    position: relative;
    transition: background-color 0.3s ease;
}

.menu-toggle .hamburger::before,
.menu-toggle .hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: var(--secondary-color);
    transition: transform 0.3s ease, top 0.3s ease;
}

.menu-toggle .hamburger::before {
    top: -8px;
}

.menu-toggle .hamburger::after {
    top: 8px;
}

.menu-toggle.active .hamburger {
    background-color: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Footer Styles */
.site-footer {
    background-color: var(--primary-color);
    color: var(--text-color-light);
    padding: 3rem 0 1rem 0;
    font-size: 0.95rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2rem;
    margin-bottom: 1rem;
}

.footer-section h3 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.footer-section p {
    margin-bottom: 0.8rem;
    line-height: 1.8;
}

.footer-nav ul li {
    margin-bottom: 0.6rem;
}

.footer-nav a {
    color: var(--text-color-light);
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: var(--secondary-color);
}

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

.social-links a {
    color: var(--text-color-light);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--secondary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .header-container {
        padding: 0 1rem;
    }
    .site-header .main-nav ul {
        gap: 1rem;
    }
    .site-header .main-nav a {
        font-size: 0.9rem;
    }
    .btn {
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .site-header .logo {
        order: 1;
    }

    .menu-toggle {
        display: block;
        order: 2;
    }

    .auth-buttons {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
        display: none; /* Hidden by default for mobile, JS will show/hide */
    }

    .site-header .main-nav {
        order: 4;
        width: 100%;
        display: none;
        flex-direction: column;
        background-color: var(--primary-color);
        position: absolute;
        top: 60px; /* Adjust based on header height */
        left: 0;
        right: 0;
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
        z-index: 999;
    }

    .site-header .main-nav.active {
        display: flex;
    }

    .site-header .main-nav ul {
        flex-direction: column;
        text-align: center;
        gap: 0;
    }

    .site-header .main-nav li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .site-header .main-nav li:last-child {
        border-bottom: none;
    }

    .site-header .main-nav a {
        display: block;
        padding: 1rem 0;
        font-size: 1.1rem;
    }

    .site-header .main-nav a::after {
        width: 0%; /* Hide underline for mobile */
    }

    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-section h3::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
    }

    .auth-buttons.active {
        display: flex;
    }
}

@media (max-width: 480px) {
    .site-header .logo {
        font-size: 1.5rem;
    }
    .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.9rem;
    }
    .footer-section h3 {
        font-size: 1.1rem;
    }
    .footer-section p, .footer-nav a, .copyright {
        font-size: 0.85rem;
    }
}