/* ═══════════════════════════════════════════════════════════════════════════
   Home / Landing Page Styles
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Hero Section ────────────────────────────────────────────────────────── */
.hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 72px);
    overflow: hidden;
    background: linear-gradient(
        135deg,
        var(--bg-primary) 0%,
        var(--bg-secondary) 40%,
        var(--bg-tertiary) 100%
    );
}

[data-theme="dark"] .hero {
    background: linear-gradient(
        135deg,
        #0a0c12 0%,
        #13151c 40%,
        #1a1d27 100%
    );
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.hero-animation {
    width: 100%;
    height: 100%;
    opacity: 0.25;
}

[data-theme="dark"] .hero-animation {
    opacity: 0.35;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 4rem 1.5rem;
    max-width: 800px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.hero-title span {
    color: var(--accent-primary);
}

.hero-subtitle {
    font-size: clamp(1.05rem, 2.2vw, 1.3rem);
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-cta .btn-large {
    padding: 0.9rem 2.5rem;
    font-size: 1.1rem;
}

.hero-scroll-hint {
    margin-top: 3rem;
    color: var(--text-muted);
    animation: scroll-bounce 2s ease infinite;
}

.hero-scroll-hint svg {
    display: inline-block;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50%      { transform: translateY(8px); opacity: 1; }
}

/* ─── Section Shared ──────────────────────────────────────────────────────── */
.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.section-cta {
    text-align: center;
    margin-top: 2rem;
}

/* ─── Scroll-in Animation ─────────────────────────────────────────────────── */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animate-in {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Features Section ────────────────────────────────────────────────────── */
.features {
    padding: 5rem 0;
    background: var(--bg-primary);
    scroll-margin-top: 80px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-base), box-shadow var(--transition-base),
                border-color var(--transition-base), background var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--accent-primary);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto 1.25rem;
    background: var(--accent-primary-light);
    border-radius: var(--radius-lg);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
}

.feature-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* ─── Game Modes Section ──────────────────────────────────────────────────── */
.modes {
    padding: 5rem 0;
    background: var(--bg-secondary);
    scroll-margin-top: 80px;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.mode-card {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base),
                border-color var(--transition-base), background var(--transition-base);
}

.mode-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-hover-shadow);
    border-color: var(--accent-primary);
}

.mode-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 220px;
    background: linear-gradient(
        135deg,
        var(--bg-tertiary) 0%,
        var(--bg-primary) 100%
    );
    overflow: hidden;
}

.mode-preview canvas {
    max-height: 200px;
    width: auto;
    opacity: 0.9;
}

.multiplayer-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.multiplayer-icon span {
    font-size: 4rem;
    font-weight: 900;
    color: var(--accent-secondary);
    letter-spacing: 0.1em;
    text-shadow: 0 0 30px rgba(124, 77, 255, 0.3);
    opacity: 0.7;
}

[data-theme="dark"] .multiplayer-icon span {
    opacity: 0.9;
}

.mode-info {
    padding: 1.75rem;
}

.mode-info h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--text-primary);
}

.mode-info p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

/* ─── Leaderboard Teaser ──────────────────────────────────────────────────── */
.leaderboard-teaser {
    padding: 5rem 0;
    background: var(--bg-primary);
    scroll-margin-top: 80px;
}

.leaderboard-table {
    width: 100%;
    font-size: 0.925rem;
    border-collapse: collapse;
}

.leaderboard-table thead {
    background: var(--bg-tertiary);
}

.leaderboard-table th {
    padding: 0.75rem 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: left;
    white-space: nowrap;
}

.leaderboard-table td {
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    border-top: 1px solid var(--border-color);
}

.leaderboard-table tbody tr {
    transition: background var(--transition-fast);
}

.leaderboard-table tbody tr:hover {
    background: var(--accent-primary-light);
}

.leaderboard-table .rank {
    font-weight: 700;
    color: var(--accent-primary);
    width: 40px;
}

.leaderboard-table .player {
    font-weight: 600;
}

.leaderboard-table .score {
    font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-weight: 700;
    color: var(--accent-primary);
}

.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.no-data {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* ─── CTA Section ─────────────────────────────────────────────────────────── */
.cta-section {
    padding: 5rem 0;
    text-align: center;
    background: linear-gradient(
        135deg,
        var(--accent-primary) 0%,
        var(--accent-secondary) 100%
    );
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 20px,
        rgba(255, 255, 255, 0.03) 20px,
        rgba(255, 255, 255, 0.03) 40px
    );
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.75rem;
}

.cta-section p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn-primary {
    background: #ffffff;
    color: var(--accent-primary);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.cta-section .btn-primary:hover {
    background: #f0f0f0;
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
}

/* ─── SEO Content ─────────────────────────────────────────────────────────── */
.seo-content {
    padding: 5rem 0 3rem;
    background: var(--bg-secondary);
}

.seo-article {
    max-width: 800px;
    margin: 0 auto;
}

.seo-article h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.seo-article h2:first-child {
    margin-top: 0;
}

.seo-article p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* ═══════════════════════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Tablet (max-width: 1024px) ──────────────────────────────────────────── */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ─── Tablet (max-width: 768px) ───────────────────────────────────────────── */
@media (max-width: 768px) {
    .hero {
        min-height: calc(80vh - 72px);
    }

    .hero-content {
        padding: 3rem 1rem;
    }

    .hero-scroll-hint {
        display: none;
    }

    .features,
    .modes,
    .leaderboard-teaser,
    .cta-section,
    .seo-content {
        padding: 3.5rem 0;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .feature-card {
        padding: 1.5rem 1rem;
    }

    .feature-icon {
        width: 52px;
        height: 52px;
        margin-bottom: 1rem;
    }

    .modes-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .mode-preview {
        height: 180px;
    }

    .section-title {
        margin-bottom: 2rem;
    }
}

/* ─── Phone (max-width: 480px) ────────────────────────────────────────────── */
@media (max-width: 480px) {
    .hero {
        min-height: calc(70vh - 72px);
    }

    .hero-content {
        padding: 2rem 0.5rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
    }

    .features,
    .modes,
    .leaderboard-teaser,
    .cta-section,
    .seo-content {
        padding: 2.5rem 0;
    }

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

    .feature-card {
        display: flex;
        flex-direction: row;
        align-items: center;
        text-align: left;
        gap: 1rem;
        padding: 1.25rem;
    }

    .feature-icon {
        margin: 0;
        flex-shrink: 0;
        width: 48px;
        height: 48px;
    }

    .feature-card h3 {
        font-size: 1.05rem;
    }

    .feature-card p {
        font-size: 0.85rem;
    }

    .mode-preview {
        height: 140px;
    }

    .cta-section h2 {
        font-size: 1.5rem;
    }

    .cta-section p {
        font-size: 1rem;
    }

    .seo-article h2 {
        font-size: 1.25rem;
    }

    .seo-article p {
        font-size: 0.95rem;
    }
}

/* ─── Focus States ────────────────────────────────────────────────────────── */
.feature-card:focus-within,
.mode-card:focus-within {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ─── Reduced Motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .hero-scroll-hint {
        animation: none;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
        transition: none;
    }
}