:root {
    --neon-green: #39ff14;
    --dark-bg: #0f0f13;
    --card-bg: #1a1a20;
    --text-main: #ffffff;
    --text-dim: #888899;
    --accent-purple: #7b2cbf;
    --font-game: 'Verdana', 'Segoe UI', sans-serif;
}

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

body {
    font-family: var(--font-game);
    background-color: var(--dark-bg);
    color: var(--text-main);
    line-height: 1.6;
}

.game-container {
    max-width: 1200px;
    margin: 0 auto;
    background: var(--dark-bg);
    min-height: 100vh;
    border-left: 1px solid #222;
    border-right: 1px solid #222;
}

/* Header */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(15, 15, 19, 0.98);
    border-bottom: 2px solid var(--neon-green);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.icon {
    font-size: 2.2rem;
    filter: drop-shadow(0 0 5px var(--neon-green));
}

.brand h1 {
    font-size: 1.8rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.brand h1 span {
    color: var(--neon-green);
}

.main-nav {
    display: flex;
    gap: 2rem;
}

.nav-item {
    text-decoration: none;
    color: var(--text-dim);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    transition: all 0.3s;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

.nav-item:hover, .nav-item.active {
    color: var(--neon-green);
    border-bottom-color: var(--neon-green);
    text-shadow: 0 0 10px rgba(57, 255, 20, 0.4);
}

/* Hero */
.hero-section {
    display: flex;
    align-items: center;
    padding: 5rem 2rem;
    gap: 4rem;
    background: radial-gradient(circle at top right, #1a1a2e 0%, var(--dark-bg) 60%);
}

.hero-content {
    flex: 1;
}

.tag {
    display: inline-block;
    background: var(--accent-purple);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero-content h2 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    font-style: italic;
}

.hero-content p {
    color: var(--text-dim);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.btn-primary {
    background: var(--neon-green);
    color: var(--dark-bg);
    border: none;
    padding: 1rem 2rem;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-outline {
    background: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    padding: 1rem 2rem;
    font-weight: 800;
    text-transform: uppercase;
    cursor: pointer;
    clip-path: polygon(10% 0, 100% 0, 100% 70%, 90% 100%, 0 100%, 0 30%);
    transition: all 0.2s;
}

.btn-primary:hover, .btn-outline:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(57, 255, 20, 0.2);
}

.hero-visual {
    flex: 1;
    position: relative;
}

.hero-visual img {
    width: 100%;
    border-radius: 8px;
    border: 2px solid #333;
    box-shadow: 0 0 30px rgba(0,0,0,0.5);
    filter: contrast(1.1) saturate(1.2);
}

/* Guide Grid */
.guide-grid-section {
    padding: 5rem 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h3 {
    font-size: 2.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.underline {
    width: 80px;
    height: 4px;
    background: var(--neon-green);
    margin: 1rem auto 0;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.guide-card {
    background: var(--card-bg);
    border: 1px solid #333;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
}

.guide-card:hover {
    border-color: var(--neon-green);
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.4);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.guide-card:hover .card-image img {
    transform: scale(1.1);
}

.category-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0,0,0,0.8);
    color: var(--neon-green);
    padding: 0.3rem 0.8rem;
    font-size: 0.8rem;
    font-weight: bold;
    border: 1px solid var(--neon-green);
}

.card-content {
    padding: 1.5rem;
}

.card-content h4 {
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    color: white;
}

.meta {
    color: var(--accent-purple);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.desc {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.read-btn {
    display: inline-block;
    color: var(--neon-green);
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
    transition: border-color 0.3s;
}

.read-btn:hover {
    border-bottom-color: var(--neon-green);
}

/* Tips */
.tips-section {
    padding: 4rem 2rem;
    background: #15151a;
}

.tips-wrapper {
    display: flex;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.tip-box {
    flex: 1;
    min-width: 250px;
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #333;
}

.tip-box.highlight {
    border-left-color: var(--accent-purple);
    background: linear-gradient(135deg, var(--card-bg), #2a1a35);
}

.tip-box h5 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: white;
}

.tip-box p {
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* Footer */
.game-footer {
    padding: 3rem 2rem;
    text-align: center;
    border-top: 1px solid #222;
    background: #0a0a0c;
}

.footer-links {
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--text-dim);
    text-decoration: none;
    margin: 0 1rem;
    font-size: 0.9rem;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--neon-green);
}

.copyright {
    color: #444;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .game-header {
        flex-direction: column;
        gap: 1.5rem;
    }
    .hero-section {
        flex-direction: column;
        text-align: center;
        padding: 3rem 1.5rem;
    }
    .hero-content h2 {
        font-size: 2.5rem;
    }
    .hero-actions {
        justify-content: center;
    }
    .grid-layout {
        grid-template-columns: 1fr;
    }
    .tips-wrapper {
        flex-direction: column;
    }
}