/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #fff;
    background-color: #FFD700;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 25px;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #333;
    font-weight: bold;
    text-transform: uppercase;
}

/* Introduction Section */
.introduction-section {
    margin: 20px 0;
    border-radius: 10px;

}

.intro-content {
    max-width: 100%;
    margin: 0 auto;
    text-align: center;
}

.intro-text {
    font-size: 1.4rem;
    line-height: 1.8;
    color: #555;
    text-align: justify;
}

/* Policy Section */
.policy-section {
    margin: 20px 0;
    border-radius: 10px;
}

.policy-content {
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-style: italic;
}

/* Thêm vào file styles/main.css hoặc policy.css */
.policy-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    margin-top: 20px;
    justify-content: space-between;
}

.policy-item {
    background: #fffbe6;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
    padding: 20px 18px;
    flex: 1 1 320px;
    min-width: 260px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.policy-icon {
    font-size: 2rem;
    color: #e25822;
    flex-shrink: 0;
    margin-top: 4px;
}

.policy-title {
    font-weight: bold;
    color: #b85c00;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 6px;
}

.policy-desc {
    margin: 0;
    padding-left: 18px;
    color: #7a4f00;
    font-size: 0.97rem;
}

.policy-desc li {
    margin-bottom: 4px;
}

@media (max-width: 768px) {
    .policy-list {
        flex-direction: column;
        gap: 16px;
    }

    .policy-item {
        min-width: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 4px;
    }

    .policy-section {
        margin: 8px 0;
        border-radius: 0;
    }

    .policy-list {
        flex-direction: column;
        gap: 12px;
    }

    .policy-item {
        min-width: 0;
        max-height: 200px;
        padding: 14px 8px;
        border-radius: 8px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
    }

    .policy-title {
        font-size: 1rem;
    }

    .policy-icon {
        font-size: 1.5rem;
        margin-top: 2px;
    }

    .policy-desc {
        font-size: 0.95rem;
        padding-left: 12px;
    }
}

/* Footer */
.footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
}

/* Button Styles */
.submit-btn {
    background-color: #f92220;
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: #d91e1c;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mt-20 {
    margin-top: 20px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.gallery-item img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.10);
    transition: transform 0.2s;
}

.gallery-item img:active {
    transform: scale(1.04);
}

.gallery-item.hidden {
    display: none;
}

.show-more-btn {
    display: block;
    margin: 18px auto 0 auto;
    background: #ff2d2d;
    color: #fff;
    border: none;
    border-radius: 24px;
    padding: 10px 32px;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(255, 45, 45, 0.10);
    cursor: pointer;
    transition: background 0.2s;
}

.show-more-btn:hover {
    background: #e60000;
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .gallery-item img {
        border-radius: 8px;
    }
}

@media (max-width: 768px) {
    .header .header-container {
        display: block;
    }
}

/* ...existing code... */
.categories-section {
    margin: 32px 0;
}

.categories-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.category-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.07);
    padding: 18px 12px;
    text-align: center;
    width: 260px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #222;
    transition: box-shadow 0.2s;
}

.category-card i {
    font-size: 2rem;
    margin-bottom: 8px;
    color: #007bff;
}

.category-card span {
    font-size: 1rem;
    font-weight: 500;
}

.category-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.13);
}

@media (max-width: 600px) {
    .categories-grid {
        gap: 10px;
    }

    .category-card {
        width: 200px;
        padding: 14px 6px;
        font-size: 0.95rem;
    }
}

/* ...existing code... */
.category-card img.category-img {
    width: 200px;
    height: 140px;
    object-fit: contain;
    margin-bottom: 8px;
    border-radius: 8px;
    background: #f7f7f7;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.07);
}

@media (max-width: 600px) {
    .category-card img.category-img {
        width: 200px;
        height: 200px;
    }
}