.hero {
    position: relative;
    z-index: 10;
    min-height: calc(100vh - 100px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: -2px;
    background: linear-gradient(135deg, var(--text-primary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    gap: 4rem;
    justify-content: center;
    margin-top: 4rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary);
    font-family: 'IBM Plex Mono', monospace;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.features {
    position: relative;
    z-index: 10;
    padding: 6rem 2rem;
    background: rgba(21, 24, 32, 0.5);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-dark);
    border: 1px solid rgba(157, 78, 221, 0.1);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(157, 78, 221, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.modes {
    position: relative;
    z-index: 10;
    padding: 6rem 2rem;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.mode-card {
    background: var(--bg-dark);
    border: 1px solid rgba(157, 78, 221, 0.1);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.mode-card:hover {
    border-color: var(--secondary);
    transform: translateY(-3px);
}

.mode-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.mode-meta {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
}

.auth-modal.show {
    display: flex;
}

.auth-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
}

.auth-modal-content {
    position: relative;
    z-index: 3001;
    background: var(--bg-dark);
    border: 1px solid rgba(157, 78, 221, 0.2);
    border-radius: 16px;
    padding: 3rem;
    max-width: 480px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    animation: modalSlideUp 0.3s ease;
}

.auth-modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 16px 16px 0 0;
}

.auth-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
}

.auth-close:hover {
    color: var(--text-primary);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-title {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.auth-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
}

.auth-switch {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-switch button {
    background: none;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-weight: 700;
    text-decoration: underline;
    font-family: 'Archivo', sans-serif;
    font-size: 0.95rem;
}

.auth-switch button:hover {
    color: var(--primary-light);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }

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

    .auth-modal-content {
        padding: 2rem 1.5rem;
    }
}