/* CSS Variables for Theming */
:root {
    --bg-color: #060919;
    --bg-gradient: linear-gradient(135deg, #0a0e29 0%, #1a103c 100%);
    --card-bg: #291854;
    --card-gradient: linear-gradient(180deg, #3b226e 0%, #201242 100%);
    --primary: #f5a623;
    /* Yellow/Orange */
    --primary-hover: #e0961d;
    --text-main: #ffffff;
    --text-muted: #b3b3cc;
    --border-color: #4a3482;
}

/* Base Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-color);
    background-image: var(--bg-gradient);
    color: var(--text-main);
    line-height: 1.6;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* Navigation Bar (New Structure) */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 40px;
    background-color: #040612;
    border-bottom: 1px solid #1f254e;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 20px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li a {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    transition: color 0.3s;
    text-transform: uppercase;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    transition: background 0.3s;
    font-size: 14px;
}

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

.btn-register {
    background-color: var(--primary);
    color: #000;
    border: 1px solid var(--primary);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--primary);
    font-size: 24px;
    cursor: pointer;
}

/* Mobile Navigation */
@media (max-width: 768px) {
    nav {
        padding: 10px 20px;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #040612;
        padding: 20px;
        border-bottom: 1px solid #1f254e;
    }

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

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid #1f254e;
    }

    .nav-links li a {
        display: block;
        padding: 10px 0;
    }

    .nav-actions .btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .logo img {
        height: 30px;
    }

    .nav-actions .btn {
        padding: 5px 10px;
        font-size: 11px;
    }
}

/* Shared Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

@media (max-width: 768px) {
    .container {
        padding: 20px;
    }
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--primary);
    margin-bottom: 15px;
}

h2 {
    font-size: 28px;
}

h3 {
    font-size: 20px;
}

p {
    color: var(--text-muted);
    margin-bottom: 15px;
    font-size: 15px;
}

/* Footer */
footer {
    background-color: #03040c;
    padding: 40px 20px;
    border-top: 2px solid #1f254e;
    margin-top: 40px;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.footer-grid h4 {
    color: var(--text-main);
}

.footer-grid ul {
    list-style: none;
}

.footer-grid ul li {
    margin-bottom: 10px;
}

.footer-grid ul li a {
    color: var(--text-muted);
    font-size: 14px;
    transition: color 0.3s;
}

.footer-grid ul li a:hover {
    color: var(--primary);
}

.copyright {
    text-align: center;
    color: var(--text-muted);
    margin-top: 30px;
    font-size: 12px;
    padding-top: 20px;
    border-top: 1px solid #1f254e;
}