:root {
    color-scheme: light;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 17px;
    background: #f6f8fb;
    color: #1b2432;
    /* line-height: 1.6; */
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    display: block;
}

.site-header {
    display: flex;
    height: 8rem;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1rem;
    gap: 1rem;
    background: #ffffff;
    border-bottom: 1px solid #e6ebf2;
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.logo {
    width: 88px;
    border-radius: 16px;
    background: #f1f5f9;
    padding: 0.5rem;
}

.eyebrow {
    margin: 0 0 0.4rem;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
}

.site-header .site-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-right: -28rem;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 0.25rem;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: #f1f5f9;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: #0f172a;
    margin: 0 auto;
}

.nav-link {
    color: #334155;
    text-decoration: none;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;

}

.nav-link:hover,
.nav-link.active {
    background: #e2e8f0;
}

.nav-cta {
    background: #0f766e;
    color: white;
    padding: 0.65rem 1rem;
    border-radius: 999px;
    text-decoration: none;
}

main {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.hero {
    display: grid;
    gap: 2rem;
    grid-template-columns: minmax(0, 1fr) 420px;
    align-items: center;
    margin-bottom: 2rem;
}

.tagline {
    color: #0f766e;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 1rem;
}

.hero h2 {
    margin: 0;
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1.05;
}

.hero p {
    max-width: 42rem;
    margin: 1.5rem 0;
    color: #475569;
}

.button,
.button-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.95rem 1.4rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
}

.button {
    background: #0f766e;
    color: white;
}

.button-secondary {
    background: #e2e8f0;
    color: #1e293b;
}

.info-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin-bottom: 2rem;
}

article {
    padding: 1.5rem;
    border-radius: 24px;
    background: white;
    border: 1px solid #e2e8f0;
}

article h3 {
    margin-top: 0;
}

article ul {
    padding-left: 1.2rem;
    margin: 0.9rem 0 0 0;
}

.product-preview {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 1.75rem;
    margin-bottom: 2rem;
}

.preview-heading {
    margin-bottom: 1rem;
}

.preview-heading h3 {
    margin: 0 0 0.3rem;
}

.preview-heading p {
    margin: 0;
    color: #475569;
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

@media (max-width: 960px) {
    .preview-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .preview-grid {
        grid-template-columns: 1fr;
    }
}

.preview-card {
    margin: 0;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
}

.preview-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
}

.preview-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.25s ease;
}

.preview-card:hover img {
    transform: scale(1.04);
}

.preview-card figcaption {
    padding: 0.9rem 1rem 1rem;
    color: #475569;
    font-size: 0.95rem;
}

.values-section,
.contact-card {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 24px;
    padding: 1.75rem;
    margin-bottom: 2rem;
}

.contact-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.contact-card h3 {
    margin-top: 0;
}

footer {
    padding: 1.5rem 2rem;
    text-align: center;
    background: linear-gradient(135deg, #0f766e 0%, #14b8a6 100%);
    color: #f8fafc;
}

.hero-image {
    border-radius: 28px;
    object-fit: cover;
    min-height: 320px;
    width: 100%;
}

@media (max-width: 860px) {
    main {
        padding: 1.25rem;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .site-header {
        flex-direction: row;
        align-items: center;
        padding: 1rem 1.1rem;
    }

    .brand {
        width: 100%;
    }

    .menu-toggle {
        display: inline-flex;
        flex-shrink: 0;
    }

    .site-header .site-nav {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: min(82vw, 280px);
        padding: 5rem 1.25rem 1.25rem;
        flex-direction: column;
        align-items: flex-start;
        background: #ffffff;
        box-shadow: 0 20px 40px rgba(15, 23, 42, 0.18);
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        z-index: 90;
        pointer-events: none;
    }

    .site-header .site-nav.open {
        transform: translateX(0);
        pointer-events: auto;
    }

    .site-header .site-nav .nav-link,
    .site-header .site-nav .nav-cta {
        width: 100%;
    }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(2, 6, 23, 0.45);
        z-index: 80;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.25s ease, visibility 0.25s ease;
    }

    .nav-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    .contact-card {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    body {
        font-size: 15px;
    }

    main {
        padding: 1rem;
    }

    .site-header {
        padding: 0.9rem 1rem;
    }

    .brand {
        gap: 0.75rem;
        align-items: flex-start;
    }

    .logo {
        width: 64px;
    }

    .brand h1 {
        font-size: 1.05rem;
        line-height: 1.3;
    }

    .eyebrow {
        font-size: 0.7rem;
    }

    .site-header .site-nav {
        gap: 0.5rem;
    }

    .nav-link,
    .nav-cta {
        padding: 0.5rem 0.75rem;
        font-size: 0.95rem;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        margin: 1rem 0;
    }

    .button,
    .button-secondary {
        width: 100%;
    }

    .info-grid,
    .preview-grid {
        grid-template-columns: 1fr;
    }

    .hero-image {
        min-height: 220px;
    }

    .footer-inner {
        padding: 1rem;
    }

    .social-links {
        gap: 0.4rem;
    }

    .social-link {
        padding: 0.35rem 0.7rem;
        font-size: 0.9rem;
    }
}

/* Footer social links */
.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-left,
.footer-right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-right {
    align-items: flex-end;
}

.footer-note {
    margin: 0 0 0.4rem;
    text-align: right;
}

.social-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

@media (max-width: 640px) {
    .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        text-align: left;
        padding: 1rem;
    }

    .footer-left,
    .footer-right {
        width: 100%;
        align-items: flex-start;
    }

    .footer-right {
        margin-top: 1rem;
    }

    .footer-note {
        text-align: left;
        margin-bottom: 0.8rem;
    }

    .social-links {
        justify-content: flex-start;
        width: 100%;
        gap: 0.5rem;
    }

    .social-link {
        flex: 1 1 auto;
        text-align: center;
    }
}
.social-link {
    color: #ecfeff;
    text-decoration: none;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    font-weight: 600;
    backdrop-filter: blur(4px);
}
.social-link:hover {
    background: rgba(255, 255, 255, 0.28);
    color: white;
}

.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.86);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 1000;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 100%;
    max-height: 85vh;
    border-radius: 18px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: white;
    border: none;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
}