/* ================================================================
   home.css · 首页专属样式
   ================================================================ */

.home-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px 60px;
}

/* ========== Hero ========== */
.hero {
    padding: 80px 0 60px;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero h1 .accent {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== Section 通用 ========== */
.modules-section,
.features-section {
    padding: 60px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 10px;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* ========== 模块卡片网格 ========== */
.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.module-card {
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.module-card.available {
    cursor: pointer;
}

.module-card.available:hover {
    border-color: var(--accent-cyan);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(6, 182, 212, 0.15);
}

.module-card.available::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-blue));
    transition: height 0.4s ease;
}

.module-card.available:hover::before {
    height: 100%;
}

.module-card.coming-soon {
    opacity: 0.5;
    cursor: not-allowed;
}

.module-icon {
    font-size: 36px;
    line-height: 1;
    margin-bottom: 4px;
}

.module-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.module-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    flex: 1;
}

.module-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-blue);
    font-weight: 600;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.module-arrow {
    position: absolute;
    bottom: 28px;
    right: 28px;
    font-size: 20px;
    color: var(--accent-cyan);
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-base);
}

.module-card.available:hover .module-arrow {
    opacity: 1;
    transform: translateX(0);
}

.module-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 10px;
    padding: 4px 10px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* ========== 特色卡片 ========== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--bg-elevated);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 28px;
    margin-bottom: 12px;
}

.feature-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========== 页脚 ========== */
.home-footer {
    text-align: center;
    padding: 40px 0;
    border-top: 1px solid var(--bg-tertiary);
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 13px;
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .hero h1 { font-size: 32px; }
    .hero p { font-size: 16px; }
    .section-header h2 { font-size: 24px; }
    .hero { padding: 40px 0 30px; }
    .modules-section,
    .features-section { padding: 40px 0; }
}