*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: #f2f2f2;
    color: #222222;
    line-height: 1.6;
}

a {
    color: #007cba;
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: #000;
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 1000;
}

.skip-link:focus {
    left: 0.5rem;
    top: 0.5rem;
}

.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.site-header {
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: relative;
    z-index: 10;
}

.header-top {
    border-bottom: 1px solid #e0e0e0;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    gap: 2rem;
}

.logo {
    height: 100px;
    width: auto;
    display: block;
}

.header-contact {
    text-align: right;
    font-size: 0.9rem;
}

.header-contact p {
    margin: 0.1rem 0;
}

.banner {
    background: linear-gradient(135deg, #e5ebf3 0%, #ffffff 50%, #dde7ef 100%);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.banner-inner {
    padding: 2.5rem 0 2.75rem;
}

.banner-text {
    max-width: 800px;
}

.banner-kicker {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    color: #555;
    margin: 0 0 0.5rem;
}

.banner h1 {
    margin: 0 0 0.75rem;
    font-size: 2.1rem;
}

.banner-subtitle {
    margin: 0 0 1.25rem;
    color: #444;
    font-size: 1rem;
}

.banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.4rem;
    border-radius: 999px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.95rem;
    box-shadow: 0 3px 8px rgba(0,0,0,0.15);
}

.btn-primary {
    background-color: #2b7a2b;
    color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #256725;
}

.btn-secondary {
    background-color: #ffffff;
    color: #2b7a2b;
    border: 1px solid #b0c4d4;
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: #f5f8fb;
}

.main {
    padding: 2.5rem 0 3rem;
}

.section {
    margin-bottom: 2.5rem;
}

.section-card {
    background: #ffffff;
    border-radius: 8px;
    padding: 1.75rem 1.5rem 1.9rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.section h2 {
    font-size: 1.6rem;
    margin-top: 0;
    margin-bottom: 1rem;
}

.section h3 {
    font-size: 1.25rem;
    margin-top: 0.5rem;
}

.section h4 {
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

.section p {
    margin-bottom: 1rem;
}

.two-column {
    display: flex;
    flex-wrap: wrap;
    gap: 1.75rem;
}

.two-column .section-text {
    flex: 1 1 280px;
}

.checklist {
    padding-left: 1.2rem;
    margin: 0 0 1rem;
}

.checklist li {
    margin-bottom: 0.35rem;
}

.steps-list {
    padding-left: 1.2rem;
    margin: 0 0 1rem;
}

.steps-list li {
    margin-bottom: 0.4rem;
}

.section-products .section-card p code {
    font-family: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.85rem;
    background: #f0f0f0;
    padding: 0.1rem 0.25rem;
    border-radius: 3px;
}

.product-grid {
    margin-top: 1.5rem;
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.product-item {
    background: #fafafa;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.product-link {
    color: inherit;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-item:hover,
.product-item:focus-within {
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.12);
}

.product-image {
    width: 100%;
    height: 180px;
    object-fit: contain;
    background: #ffffff;
}

.product-title {
    font-size: 1rem;
    margin: 0.9rem 0.9rem 0.4rem;
}

.product-text {
    font-size: 0.9rem;
    margin: 0 0.9rem 1rem;
    color: #444;
}

.section-faq .faq-list {
    margin-top: 1.5rem;
}

.faq-item {
    background: #fafafa;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    border: 1px solid #e0e0e0;
    padding: 0.5rem 0.9rem;
}

.faq-item summary {
    cursor: pointer;
    list-style: none;
    font-weight: 600;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";
    float: right;
    font-weight: 700;
}

.faq-item[open] summary::after {
    content: "–";
}

.faq-body {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid #e0e0e0;
    font-size: 0.95rem;
}

.site-footer {
    background: #111111;
    color: #f5f5f5;
    padding: 1rem 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    font-size: 0.9rem;
}

.footer-right a {
    color: #f5f5f5;
    text-decoration: none;
    margin-left: 0.4rem;
    margin-right: 0.4rem;
}

.footer-right a:hover,
.footer-right a:focus {
    text-decoration: underline;
}

@media (min-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 900px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }
    .header-contact {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .banner-inner {
        padding: 1.5rem 0 1.75rem;
    }
    .banner h1 {
        font-size: 1.6rem;
    }
    .two-column {
        flex-direction: column;
    }
    .product-image {
        height: 160px;
    }
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    .banner-actions {
        flex-direction: column;
        align-items: stretch;
    }
}