/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f9fafb;
    color: #111827;
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header */
.header {
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-content {
    padding: 1.5rem 1rem;
}

.header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: #111827;
}

.header p {
    color: #6b7280;
    margin-top: 0.25rem;
}

/* Main Content */
.main {
    padding: 3rem 1rem;
}

/* Section Title */
.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2.5rem;
}

/* Products Grid */
.products-section {
    margin-bottom: 4rem;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
}

@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Product Card */
.product-card {
    background-color: #ffffff;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.product-content {
    padding: 1.5rem;
}

.product-image {
    width: 100%;
    height: 16rem;
    object-fit: contain;
    margin-bottom: 1.5rem;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
}

/* Product Specs */
.product-specs {
    list-style: none;
}

.product-specs li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    color: #4b5563;
}

.spec-dot {
    width: 0.5rem;
    height: 0.5rem;
    background-color: #3b82f6;
    border-radius: 50%;
    margin-top: 0.5rem;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.product-specs strong {
    color: #111827;
}

/* Certification Section */
.certification-section {
    margin-bottom: 4rem;
}

.certification-card {
    background-color: #ffffff;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 1rem;
}

.certification-image {
    width: 100%;
    max-width: 56rem;
    margin: 0 auto;
    display: block;
}

/* Footer */
.footer {
    background-color: #111827;
    color: #ffffff;
    padding: 2rem 1rem;
}

.footer-content {
    text-align: center;
}

.footer h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer p {
    color: #9ca3af;
}