/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 80px 0;
    margin-top: 0;
}

.hero-content {
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-outline-white {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.8);
    color: var(--white);
}

.btn-outline-white:hover {
    background: var(--white);
    color: var(--primary-color);
}

/* Trust Section */
.trust-section {
    background: var(--white);
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.trust-item {
    text-align: center;
    padding: 20px;
}

.trust-item .num {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 8px;
}

.trust-item .num span {
    font-size: 20px;
    color: var(--accent-color);
}

.trust-item .label {
    font-size: 14px;
    color: var(--text-light);
}

/* Background variants */
.bg-white {
    background: var(--white);
}

/* Features Section */
.features-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 60px 0;
}

.features-header {
    text-align: center;
    color: var(--white);
    margin-bottom: 40px;
}

.features-header h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 10px;
}

.features-header p {
    font-size: 16px;
    opacity: 0.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    color: var(--white);
    transition: all 0.3s;
}

.feature-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-4px);
}

.feature-card .icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-color);
    border-radius: 50%;
    font-size: 28px;
}

.feature-card h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.9;
}

/* Shop Page Section */
.shop-page-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.shop-page-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 16px;
}

/* Two Column Grid */
.two-col-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.question-list,
.knowledge-list {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 8px;
}

/* Article Grid */
.article-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.article-card {
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.2s;
}

.article-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.article-card .thumb {
    height: 160px;
    background: var(--border-color);
    overflow: hidden;
}

.article-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.article-card:hover .thumb img {
    transform: scale(1.05);
}

.article-card .info {
    padding: 16px;
}

.article-card .title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.article-card .meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

/* SEO Section */
.seo-section {
    padding: 40px 0;
    background: var(--bg-light);
}

.seo-section h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 16px;
}

.seo-section p {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 1200px) {
    .article-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 32px;
    }

    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .two-col-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .hero {
        padding: 50px 0;
    }

    .hero-title {
        font-size: 26px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }

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

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

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