/* ============================================
   BUYER PAGE SPECIFIC STYLES
   ============================================ */

/* Intro Section */
.intro-section {
    padding: var(--spacing-3xl) var(--container-padding);
    background-color: var(--color-background);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.intro-content h2 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.intro-content p {
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
}

.intro-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefit-box {
    background-color: var(--color-light-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    border-left: 4px solid var(--color-accent);
}

.benefit-box h4 {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-box p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin: 0;
}

/* Products for Buyer Section */
.products-for-buyer {
    padding: var(--spacing-3xl) var(--container-padding);
    background-color: var(--color-light-bg);
}

.products-for-buyer h2 {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-2xl);
}

.buyer-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xxl);
}

.buyer-product-item {
    background-color: var(--color-background);
    padding: var(--spacing-xxl);
    border-radius: var(--radius);
    border-top: 3px solid var(--color-primary);
}

.buyer-product-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.3rem;
}

.buyer-product-item ul {
    list-style: none;
    padding: 0;
}

.buyer-product-item li {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-dark);
    font-size: 0.95rem;
    font-weight: 500;
}

.buyer-product-item li:last-child {
    border-bottom: none;
}

/* Packaging Section */
.packaging-section {
    padding: var(--spacing-3xl) var(--container-padding);
    background-color: var(--color-background);
}

.packaging-section h2 {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3xl);
}

.packaging-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xxl);
}

.packaging-item {
    background-color: var(--color-light-bg);
    padding: var(--spacing-xxl);
    border-radius: var(--radius);
}

.packaging-item h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.2rem;
}

.packaging-item ul {
    list-style: none;
    padding: 0;
}

.packaging-item li {
    padding: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-light);
    font-size: 0.95rem;
    border-bottom: 1px solid var(--color-border);
}

.packaging-item li:last-child {
    border-bottom: none;
}

.packaging-item li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.packaging-item strong {
    color: var(--color-text-dark);
}

/* Inquiry Form Section */
.inquiry-form-section {
    padding: var(--spacing-3xl) var(--container-padding);
    background-color: var(--color-light-bg);
}

.inquiry-form-section h2 {
    text-align: center;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xxl);
}

.inquiry-form {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--color-background);
    padding: var(--spacing-xxl);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-family: var(--font-family);
    font-size: 0.95rem;
    color: var(--color-text-dark);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(27, 94, 46, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #dc2626;
    background-color: #fef2f2;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
    background-position: right var(--spacing-md) center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.form-group textarea {
    resize: vertical;
}

.inquiry-form button {
    width: 100%;
    margin-top: var(--spacing-lg);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 1024px) {
    .intro-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xxl);
    }

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

@media (max-width: 768px) {
    .intro-section,
    .products-for-buyer,
    .packaging-section,
    .inquiry-form-section {
        padding: var(--spacing-xxl) var(--container-padding);
    }

    .buyer-products-grid {
        grid-template-columns: 1fr;
    }

    .inquiry-form {
        padding: var(--spacing-lg);
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .packaging-item,
    .benefit-box {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .buyer-product-item,
    .packaging-item,
    .inquiry-form {
        padding: var(--spacing-md);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }

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