/* --- CSS VARIABLES & GLOBAL STYLES --- */
:root {
    --color-primary: #ffd700;
    /* Gold */
    --color-secondary: #4a90e2;
    /* Bright Blue */
    --color-dark-bg: #10141f;
    --color-dark-bg-2: #1a202c;
    --color-light-text: #edf2f7;
    --color-medium-text: #a0aec0;
    --color-border: #2d3748;
    --font-primary: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-dark-bg);
    color: var(--color-light-text);
    font-size: 16px;
    line-height: 1.6;
}

a {
    color: var(--color-light-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* --- HEADER STYLES --- */
.site-header {
    background-color: var(--color-dark-bg-2);
    border-bottom: 1px solid var(--color-border);
}

.top-bar {
    background-color: #0d1117;
    padding: 0.5rem 0;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--color-border);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar nav ul {
    display: flex;
    gap: 1.5rem;
}

.register-btn-top {
    background-color: var(--color-primary);
    color: var(--color-dark-bg);
    padding: 0.4rem 0.8rem;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.register-btn-top:hover {
    background-color: #ffed8a;
    color: var(--color-dark-bg);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo img {
    height: 80px;
}

.main-nav ul {
    display: flex;
    gap: 2.5rem;
}

.main-nav a {
    font-size: 1.1rem;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.main-nav a.active,
.main-nav a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.nav-icon {
    margin-right: 0.5rem;
    color: var(--color-secondary);
}

.mobile-menu-toggle {
    display: none;
    /* Hidden on desktop */
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--color-light-text);
    cursor: pointer;
}


/* --- MAIN CONTENT (HERO SECTION) --- */
.hero-section {
    padding: 4rem 0;
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-details-column {
    flex: 1;
}

.hero-image-column {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.main-hero-image {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--color-medium-text);
    margin-bottom: 2rem;
}

.welcome-bonus {
    display: flex;
    align-items: center;
    background-color: rgba(255, 215, 0, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 2rem;
}

.bonus-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-right: 1.5rem;
}

.bonus-text h4 {
    font-weight: 700;
    color: var(--color-primary);
}

.bonus-text p {
    color: var(--color-light-text);
    margin: 0;
}

.action-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 700;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.btn-register {
    background: linear-gradient(45deg, var(--color-primary), #ffb300);
    color: var(--color-dark-bg);
}

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

.btn-login:hover {
    background-color: var(--color-border);
    color: var(--color-light-text);
}

.features-section h3 {
    margin-bottom: 1rem;
    color: var(--color-medium-text);
    font-weight: 600;
}

.features-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.features-list li {
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.features-list i {
    color: var(--color-secondary);
    margin-right: 0.75rem;
    font-size: 1.2rem;
    width: 25px;
    /* for alignment */
    text-align: center;
}

/* --- FOOTER STYLES --- */
.site-footer {
    background-color: var(--color-dark-bg-2);
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding-bottom: 3rem;
}

.footer-column h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.footer-column.about p {
    color: var(--color-medium-text);
    margin-bottom: 1.5rem;
}

.social-icons a {
    font-size: 1.5rem;
    margin-right: 1rem;
    color: var(--color-medium-text);
}

.social-icons a:hover {
    color: var(--color-primary);
}

.footer-column.links ul li {
    margin-bottom: 0.75rem;
}

.footer-column.links a {
    color: var(--color-medium-text);
}

.footer-column.links a:hover {
    color: var(--color-light-text);
    padding-left: 5px;
}

.footer-bottom {
    background-color: #0d1117;
    padding: 1.5rem 0;
    font-size: 0.85rem;
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: var(--color-medium-text);
}

.payment-logos {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.8rem;
}

/* --- RESPONSIVE STYLES (MOBILE-FIRST APPROACH) --- */

@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }

    .hero-container {
        flex-direction: column-reverse;
        /* Puts text above image on mobile */
    }

    .features-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        width: 95%;
    }

    /* Mobile Header */
    .top-bar {
        display: none;
        /* Hide top bar on smallest screens */
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        /* Position below the header */
        left: 0;
        width: 100%;
        background-color: var(--color-dark-bg-2);
        z-index: 1000;
    }

    .main-nav.active {
        display: block;
        /* Show menu when active */
    }

    .main-header .container {
        position: relative;
        /* Needed for absolute positioning of nav */
    }

    .main-nav ul {
        flex-direction: column;
        padding: 1rem 0;
    }

    .main-nav ul li {
        text-align: center;
    }

    .main-nav a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
    }

    .main-nav a:hover,
    .main-nav a.active {
        border-bottom-color: var(--color-border);
        /* Remove underline effect on mobile */
        background-color: var(--color-dark-bg);
    }

    .mobile-menu-toggle {
        display: block;
    }

    /* Mobile Hero */
    .hero-section {
        padding: 2rem 0;
        text-align: center;
    }

    h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .welcome-bonus {
        text-align: left;
    }

    .action-buttons {
        flex-direction: column;
    }

    .features-section {
        text-align: left;
    }

    .features-list li {
        justify-content: flex-start;
    }

    /* Mobile Footer */
    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }
}