/*
 * Landing Page Styles
 * Reuses design tokens from archiv.css (loaded via <link> in HTML)
 */

/* ===== LAYOUT ===== */

.landing-page {
    min-height: 100vh;
    overflow: auto;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-interface);
    line-height: 1.6;
}

/* ===== NAV BAR ===== */

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    max-width: 1100px;
    margin: 0 auto;
}

.landing-nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 16px;
}

.landing-nav-brand svg {
    width: 20px;
    height: 20px;
}

.landing-nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.landing-nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.landing-nav .theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    padding: var(--space-xs);
    display: flex;
    align-items: center;
}

.landing-nav .theme-toggle svg {
    width: 18px;
    height: 18px;
}

/* ===== HERO ===== */

.landing-hero {
    text-align: center;
    padding: 80px var(--space-xl) 60px;
    max-width: 720px;
    margin: 0 auto;
}

.landing-hero h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 var(--space-lg);
    letter-spacing: -0.5px;
}

.landing-hero h1 .accent {
    color: var(--accent-primary);
}

.landing-hero p {
    font-size: clamp(16px, 2vw, 18px);
    color: var(--text-secondary);
    margin: 0 0 var(--space-xl);
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

.landing-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 12px 28px;
    background: var(--accent-primary);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.landing-cta:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.landing-cta svg {
    width: 16px;
    height: 16px;
}

/* ===== STATS BAR ===== */

.landing-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-xl) var(--space-xl);
    max-width: 600px;
    margin: 0 auto;
}

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

.landing-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.landing-stat-label {
    font-size: 13px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* ===== FEATURES ===== */

.landing-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
}

.landing-feature {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: box-shadow var(--transition-fast);
}

.landing-feature:hover {
    box-shadow: var(--shadow-md);
}

.landing-feature-icon {
    width: 36px;
    height: 36px;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.landing-feature h3 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 var(--space-sm);
}

.landing-feature p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ===== SHOWCASE ===== */

.landing-showcase {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
}

.landing-showcase h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 var(--space-lg);
    text-align: center;
}

.landing-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--space-md);
}

.landing-showcase-card {
    display: block;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-decoration: none;
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.landing-showcase-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.landing-showcase-card .opera-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px;
}

.landing-showcase-card .opera-composer {
    font-size: 12px;
    color: var(--text-tertiary);
    margin: 0;
}

/* ===== FOOTER ===== */

.landing-footer {
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-xl) var(--space-xl);
    text-align: center;
    max-width: 900px;
    margin: 40px auto 0;
}

.landing-footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
}

.landing-footer-links a {
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 13px;
    transition: color var(--transition-fast);
}

.landing-footer-links a:hover {
    color: var(--text-primary);
}

.landing-footer-copy {
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
}

/* ===== DARK MODE ===== */

[data-theme="dark"] .landing-cta {
    color: #fff;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 600px) {
    .landing-hero {
        padding: 48px var(--space-md) 32px;
    }

    .landing-stats {
        gap: var(--space-md);
    }

    .landing-stat-value {
        font-size: 22px;
    }

    .landing-features {
        grid-template-columns: 1fr;
        padding: var(--space-lg) var(--space-md);
    }

    .landing-showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .landing-nav-links a.nav-link-desktop {
        display: none;
    }
}