/* General Reset & Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0F1A2B;
    --secondary-color: #FFD700;
    --text-color: #ffffff;
    --bg-dark: #0A121F;
    --bg-light: #1A2B3E;
}

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

a {
    color: var(--secondary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

/* Header Styles */
.site-header {
    background-color: var(--primary-color);
    padding: 15px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    font-size: 28px;
    font-weight: bold;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    padding: 5px 10px;
    border: 2px solid var(--secondary-color);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.logo:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    text-decoration: none;
}

.main-nav .nav-list {
    display: flex;
    gap: 25px;
}

.main-nav a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 16px;
    padding: 5px 0;
    position: relative;
    transition: color 0.3s ease;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--secondary-color);
    text-decoration: none;
}

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

.header-actions {
    display: flex;
    gap: 10px;
}

.btn {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 8px 15px;
    font-size: 14px;
    border-radius: 20px;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn:hover {
    background-color: #e6c200; /* Slightly darker yellow */
    transform: translateY(-2px);
}

.btn-login {
    background-color: transparent;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
}

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

.hamburger-menu {
    display: none; /* Hidden on desktop */
    background: transparent;
    border: none;
    width: 30px;
    height: 20px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
    padding: 0;
}

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--secondary-color);
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
}

.hamburger-menu.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* Footer Styles */
.site-footer {
    background-color: var(--primary-color);
    padding: 40px 20px 20px;
    color: var(--text-color);
    font-size: 14px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h3 {
    color: var(--secondary-color);
    font-size: 18px;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.footer-col p {
    margin-bottom: 10px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: var(--secondary-color);
    text-decoration: none;
}

.footer-about .logo {
    display: inline-block;
    margin-bottom: 15px;
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-color);
}

.footer-about .logo:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border-color: var(--secondary-color);
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-nav a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-bottom {
    text-align: center;
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 20px;
}

.copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

/* Scroll To Top Button */
#scrollToTopBtn {
    display: none; /* Hidden by default */
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    border: none;
    outline: none;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    cursor: pointer;
    padding: 15px;
    border-radius: 50%;
    font-size: 18px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: background-color 0.3s, opacity 0.3s;
}
#scrollToTopBtn:hover {
    background-color: #e6c200;
}
.no-scroll {
    overflow: hidden; /* For hamburger menu open state */
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .main-nav .nav-list {
        gap: 15px;
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-wrap: nowrap; /* Prevent wrapping for top row elements */
        justify-content: space-between;
        gap: 10px; /* Gap between hamburger, logo, actions */
    }

    .logo {
        font-size: 24px;
        margin: 0; /* Remove margin-bottom */
        flex-grow: 1; /* Allow logo to take available space */
        text-align: center; /* Center logo text */
        order: 2; /* Order in flex container */
        border: none; /* Remove border for cleaner mobile look */
        padding: 0;
    }
    .logo:hover {
        background-color: transparent;
        color: var(--secondary-color);
    }

    .hamburger-menu {
        display: flex;
        order: 1; /* First element */
    }

    .header-actions {
        order: 3; /* Third element */
        display: flex;
        gap: 5px; /* Smaller gap for buttons */
    }
    .btn {
        padding: 5px 10px;
        font-size: 12px;
    }

    .main-nav {
        order: 4; /* Below all other header elements */
        width: 100%;
        display: none; /* Hidden by default for mobile */
        flex-direction: column;
        background-color: var(--primary-color);
        position: absolute;
        top: 70px; /* Adjust based on header height */
        left: 0;
        right: 0;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
        max-height: calc(100vh - 70px); /* Limit height to viewport */
        overflow-y: auto; /* Allow scrolling for many menu items */
    }

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

    .main-nav .nav-list {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .main-nav a {
        padding: 10px 0;
        font-size: 18px;
    }
    
    .main-nav a::after {
        left: 50%;
        transform: translateX(-50%);
    }
    .main-nav a:hover::after,
    .main-nav a.active::after {
        width: 50%; /* Shorter line for mobile */
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col h3 {
        margin-top: 20px;
    }

    .footer-nav ul {
        align-items: center;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 10px;
    }
    .logo {
        font-size: 20px;
    }
    .btn-download {
        display: none;
    }
    .site-footer {
        padding: 30px 15px 15px;
    }
}