/* ===============================================
   3-home.css - 首页专用样式
   The Ulala Recipe - MVP v2.0
   
   职责：
   - Hero区
   - Products Grid
   - Coming Soon Card
   - CTA Section
   
   特点：
   - 只在index.html使用
   - 不影响产品详情页
   =============================================== */

/* ======================
   Hero Section
   ====================== */
.hero {
    background: linear-gradient(135deg, var(--green-light) 0%, #D4E7C5 100%);
    padding: 80px 0;
    text-align: center;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.hero-content {
    width: 100%;
    animation: fadeIn 0.8s ease-out;
}

/* Hero Icons */
.hero-icons {
    display: flex;
    justify-content: center;
    gap: var(--gap-xl);
    margin-bottom: var(--gap-xl);
    font-size: 48px;
}

.hero-icons .icon {
    animation: float 3s ease-in-out infinite;
}

.hero-icons .icon:nth-child(2) {
    animation-delay: 0.5s;
}

.hero-icons .icon:nth-child(3) {
    animation-delay: 1s;
}

/* Hero Title */
.hero-title {
    font-size: var(--text-3xl);
    font-weight: 700;
    margin-bottom: var(--gap-lg);
    color: var(--gray-900);
    line-height: 1.2;
}

/* Hero Description */
.hero-description {
    margin-bottom: var(--gap-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stat {
    font-size: var(--text-lg);
    color: var(--gray-700);
    margin-bottom: var(--gap-md);
    font-weight: 500;
}

.hero-message {
    font-size: var(--text-xl);
    color: var(--gray-900);
    font-weight: 600;
    line-height: 1.6;
}

.hero-text-short {
    display: none;
}

/* Scroll Indicator */
.scroll-indicator {
    display: inline-block;
    padding: var(--gap-md) var(--gap-xl);
    background: var(--white);
    border: 2px solid var(--green);
    border-radius: var(--radius-lg);
    color: var(--green-dark);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
}

.scroll-indicator:hover {
    background: var(--green);
    color: var(--white);
    transform: translateY(3px);
    opacity: 1;
}

/* ======================
   Products Section
   ====================== */
.products {
    padding: var(--gap-2xl) 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: var(--gap-xl);
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--gap-lg);
    margin-bottom: var(--gap-xl);
}

/* Product Card */
.product-card {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green-light);
}

.product-link {
    display: block;
    color: inherit;
}

/* Product Image */
.product-image {
    width: 100%;
    aspect-ratio: 1;
    background: var(--gray-100);
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

/* Product Info */
.product-info {
    padding: var(--gap-lg);
}

.product-name {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--gap-sm);
    color: var(--gray-900);
    line-height: 1.4;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--gap-xs);
    margin-bottom: var(--gap-sm);
    font-size: var(--text-sm);
}

.stars {
    color: #FFB800;
    font-size: 14px;
}

.score {
    font-weight: 600;
    color: var(--gray-900);
}

.count {
    color: var(--gray-500);
}

.product-price {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--green-dark);
    margin-bottom: var(--gap-md);
}

.product-price .unit {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--gray-700);
}

/* Product Tags */
.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap-xs);
    margin-bottom: var(--gap-md);
}

/* Product Button/Link */
.product-button {
    text-align: center;
    padding: var(--gap-sm) 0;
    color: var(--green-dark);
    font-weight: 600;
    border-top: 1px solid var(--gray-100);
    margin-top: var(--gap-md);
    transition: var(--transition);
}

.product-card:hover .product-button {
    color: var(--green);
}

/* ======================
   Coming Soon Card
   ====================== */
.coming-soon-card {
    background: linear-gradient(135deg, #f9f9f9 0%, #efefef 100%);
    border: 2px dashed #d0d0d0;
    cursor: default;
    position: relative;
}

.coming-soon-card:hover {
    transform: none;
    box-shadow: var(--shadow);
}

.coming-soon-content {
    padding: 60px 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.coming-soon-icon {
    font-size: 64px;
    margin-bottom: var(--gap-lg);
    opacity: 0.7;
}

.coming-soon-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--gap-md);
    line-height: 1.4;
}

.coming-soon-text {
    font-size: 16px;
    color: var(--gray-500);
    margin-bottom: 28px;
    line-height: 1.6;
}

.coming-soon-brands {
    display: flex;
    gap: var(--gap-md);
    flex-wrap: wrap;
    justify-content: center;
}

.coming-soon-brands span {
    padding: 10px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    font-size: 14px;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
    font-weight: 500;
}

/* Coming Soon Badge (for disabled cards) */
.coming-soon-badge {
    background: linear-gradient(135deg, #e0e0e0 0%, #d0d0d0 100%);
    color: var(--gray-700) !important;
    pointer-events: none;
    cursor: not-allowed;
    opacity: 0.7;
}

/* ======================
   CTA Section
   ====================== */
.cta-section {
    background: linear-gradient(135deg, var(--green-light) 0%, var(--green) 100%);
    padding: var(--gap-2xl) 0;
    text-align: center;
    margin-top: var(--gap-2xl);
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--gap-md);
}

.cta-text {
    font-size: var(--text-lg);
    color: var(--gray-700);
    margin-bottom: var(--gap-xl);
    line-height: 1.7;
}

.cta-button {
    display: inline-block;
    padding: var(--gap-md) var(--gap-xl);
    background: var(--white);
    color: var(--green-dark);
    font-weight: 600;
    font-size: 16px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--white);
    transition: var(--transition);
}

.cta-button:hover {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
    opacity: 1;
}

/* ======================
   Responsive - Tablet
   ====================== */
@media (max-width: 1023px) {
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--gap-md);
    }
}

/* ======================
   Responsive - Mobile
   ====================== */
@media (max-width: 767px) {
    /* Hero */
    .hero {
        padding: var(--gap-xl) 0;
        min-height: 50vh;
    }
    
    .hero-icons {
        font-size: 36px;
        gap: var(--gap-md);
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-text-long {
        display: none;
    }
    
    .hero-text-short {
        display: block;
    }
    
    /* Products */
    .product-grid {
        grid-template-columns: 1fr;
        gap: var(--gap-lg);
    }
    
    /* Coming Soon */
    .coming-soon-content {
        padding: 40px 16px;
        min-height: 320px;
    }
    
    .coming-soon-icon {
        font-size: 48px;
    }
    
    .coming-soon-title {
        font-size: 22px;
    }
    
    .coming-soon-text {
        font-size: 14px;
    }
    
    .coming-soon-brands span {
        font-size: 12px;
        padding: 8px 16px;
    }
    
    /* CTA */
    .cta-title {
        font-size: 24px;
    }
    
    .cta-text {
        font-size: 16px;
    }
}

/* ======================
   Responsive - Very Small Mobile
   ====================== */
@media (max-width: 480px) {
    .hero-icons {
        font-size: 32px;
        gap: var(--gap-sm);
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .coming-soon-content {
        padding: 30px 12px;
        min-height: 280px;
    }
    
    .coming-soon-icon {
        font-size: 40px;
        margin-bottom: var(--gap-md);
    }
    
    .coming-soon-title {
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .coming-soon-text {
        font-size: 13px;
        margin-bottom: 20px;
    }
    
    .coming-soon-brands {
        gap: 12px;
    }
    
    .coming-soon-brands span {
        font-size: 11px;
        padding: 6px 12px;
    }
}

/* ======================
   Print Styles
   ====================== */
@media print {
    .hero,
    .cta-section,
    .coming-soon-card {
        display: none;
    }
    
    .product-card {
        page-break-inside: avoid;
    }
}