:root {
    --primary-color: #FFD700; /* Gold */
    --secondary-color: #8B0000; /* Dark Red */
    --text-color-dark: #333;
    --text-color-light: #fff;
    --button-bg-register: linear-gradient(135deg, #FFD700, #FFA500); /* Gold to Orange */
    --button-bg-login: linear-gradient(135deg, #8B0000, #DC143C); /* Dark Red to Crimson */
    --button-text-color: #fff;
    --header-top-bg: var(--secondary-color); /* Dark Red */
    --main-nav-bg: var(--primary-color); /* Gold */
    --footer-bg: #222;
    --footer-text-color: #ccc;
    --overlay-bg: rgba(0, 0, 0, 0.7);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color-dark);
    padding-top: 0; /* Will be set by JS dynamically */
}

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

.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000; /* Base z-index for fixed header */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    background-color: transparent; /* Background will be set by sub-elements */
}

/* Header Top Area (Desktop Default) */
.header-top {
    background-color: var(--header-top-bg);
    width: 100%;
    padding: 10px 0; /* Vertical padding */
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px; /* Horizontal padding for desktop */
}

.logo {
    font-size: 2.2em;
    font-weight: bold;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    display: block;
}

.logo:hover {
    color: var(--text-color-light);
}

/* Desktop Navigation Buttons */
.desktop-nav-buttons {
    display: flex;
    gap: 12px;
}

/* Mobile Buttons Area (Hidden on Desktop) */
.mobile-buttons-area {
    display: none;
}

/* Hamburger Menu (Hidden on Desktop) */
.hamburger-menu {
    display: none;
}

/* Main Navigation Area (Desktop Default) */
.main-nav {
    background-color: var(--main-nav-bg);
    width: 100%;
    display: flex; /* Visible on desktop */
    justify-content: center;
    align-items: center;
    padding: 10px 0; /* Vertical padding */
    position: static; /* Default desktop position */
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 25px; /* Spacing between nav links */
    padding: 0 20px; /* Horizontal padding for desktop */
}

.nav-link {
    color: var(--text-color-dark);
    font-weight: bold;
    font-size: 1.1em;
    padding: 8px 15px;
    transition: color 0.3s ease, background-color 0.3s ease;
    border-radius: 5px;
    white-space: nowrap; /* Prevent menu items from wrapping */
}

.nav-link:hover {
    color: var(--text-color-light);
    background-color: var(--secondary-color);
}

/* Buttons Styling */
.btn {
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    color: var(--button-text-color);
    white-space: nowrap; /* Prevent button text from wrapping */
}

.btn-register {
    background: var(--button-bg-register);
}

.btn-login {
    background: var(--button-bg-login);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
}

/* Footer Styling */
.site-footer {
    background-color: var(--footer-bg);
    color: var(--footer-text-color);
    padding: 40px 0 20px;
    font-size: 0.9em;
    border-top: 3px solid var(--primary-color);
}

.site-footer .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    padding: 0 20px;
}

.footer-column {
    flex: 1;
    min-width: 200px;
    margin-bottom: 20px;
}

.footer-column h3 {
    color: var(--primary-color);
    font-size: 1.2em;
    margin-bottom: 15px;
}

.footer-column p {
    margin-bottom: 10px;
}

.footer-nav a {
    display: block;
    color: var(--footer-text-color);
    margin-bottom: 8px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #444;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    color: #999;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    /* Header Adjustments */
    .site-header {
        flex-direction: column;
    }

    .header-top {
        padding: 10px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        width: 100%;
        box-sizing: border-box;
    }

    .header-container {
        width: 100%;
        max-width: none; /* Crucial: Occupy full width */
        padding: 0 15px; /* Smaller horizontal padding for mobile */
        justify-content: space-between;
    }

    .logo {
        font-size: 1.8em;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        color: var(--primary-color);
        z-index: 1000;
    }

    .desktop-nav-buttons {
        display: none;
    }

    /* Mobile Buttons Area (Visible on Mobile) */
    .mobile-buttons-area {
        display: flex; /* Make visible on mobile */
        background-color: var(--header-top-bg);
        width: 100%;
        padding: 10px 0;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        justify-content: center;
        gap: 10px;
    }
    .mobile-buttons-area .header-container {
        display: flex;
        justify-content: center;
        gap: 10px;
        width: 100%;
        max-width: none;
        padding: 0 15px;
    }

    /* Hamburger Menu */
    .hamburger-menu {
        display: block;
        width: 30px;
        height: 24px;
        background: transparent;
        border: none;
        cursor: pointer;
        position: relative;
        z-index: 1001;
        padding: 0;
        margin-left: 0;
        order: -1;
    }

    .hamburger-menu::before,
    .hamburger-menu::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 3px;
        background-color: var(--primary-color);
        left: 0;
        transition: all 0.3s ease;
    }

    .hamburger-menu::before {
        top: 0;
    }

    .hamburger-menu::after {
        bottom: 0;
    }

    /* Hamburger X animation */
    .hamburger-menu.active::before {
        transform: translateY(10.5px) rotate(45deg);
    }
    .hamburger-menu.active::after {
        transform: translateY(-10.5px) rotate(-45deg);
    }

    /* Main Navigation (Mobile specific - slide-out menu) */
    .main-nav {
        display: none; /* Hidden by default on mobile */
        flex-direction: column;
        position: fixed;
        top: 0; /* Cover entire viewport height */
        left: 0;
        width: 70%; /* Adjust as needed */
        height: 100%;
        background-color: var(--footer-bg);
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.2);
        transform: translateX(-100%); /* Slide out from left */
        transition: transform 0.3s ease;
        z-index: 1003; /* Above overlay and header */
        overflow-y: auto;
        padding-top: 20px; /* Initial padding for menu items inside */
    }

    .main-nav.active {
        display: flex; /* Show menu when active */
        transform: translateX(0);
    }

    .nav-container {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 15px;
        width: 100%;
        max-width: none;
        gap: 15px;
    }

    .nav-link {
        width: 100%;
        padding: 12px 15px;
        color: var(--text-color-light);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 0;
    }

    .nav-link:hover {
        background-color: var(--secondary-color);
    }

    /* Mobile Menu Overlay */
    .mobile-menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: var(--overlay-bg);
        z-index: 1002; /* Below menu, above header */
    }

    .mobile-menu-overlay.active {
        display: block;
    }

    /* Footer Adjustments */
    .site-footer .footer-container {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-column {
        min-width: unset;
        width: 100%;
    }

    .footer-nav a {
        display: inline-block;
        margin: 0 10px 8px;
    }
    
    /* Body no-scroll */
    body.no-scroll {
        overflow: hidden;
    }
}