/* Palette: Lab White, Medical Teal, Silver */
:root {
    --teal: #009688;
    --dark-teal: #00695C;
    --white: #FFFFFF;
    --light-grey: #F8F9FA;
    --text-dark: #263238;
    --text-light: #546E7A;
    --border: #E0E0E0;
    
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--white);
    color: var(--text-dark);
    font-family: var(--font-body);
    line-height: 1.6;
    font-weight: 300;
}

.container { width: 90%; max-width: 1200px; margin: 0 auto; }
.section-padding { padding: 80px 0; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; }

/* Header */
.tech-header { background: var(--white); padding: 20px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid var(--border); }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 500; color: var(--text-dark); letter-spacing: 1px; display: flex; align-items: center; }
.teal { color: var(--teal); font-weight: 600; }
.lab-icon { color: var(--teal); font-size: 0.8rem; margin-left: 5px; vertical-align: super; }

.skin-nav a { margin-left: 25px; font-weight: 600; font-size: 0.9rem; text-transform: uppercase; color: var(--text-light); }
.skin-nav a:hover, .skin-nav a.active { color: var(--teal); }

.header-actions { display: flex; align-items: center; gap: 20px; }
.cart-btn { font-weight: 600; font-size: 0.9rem; border: 1px solid var(--text-dark); padding: 5px 15px; border-radius: 20px; }
.cart-btn:hover { background: var(--text-dark); color: var(--white); }

/* Mobile Menu */
.mobile-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; }
.mobile-toggle span { width: 25px; height: 2px; background: var(--text-dark); }

.mobile-menu { position: fixed; top: 0; right: -100%; width: 250px; height: 100%; background: var(--white); z-index: 2000; padding: 30px; transition: 0.4s; border-left: 1px solid var(--border); }
.mobile-menu.active { right: 0; }
.close-menu { align-self: flex-end; font-size: 2rem; background: none; border: none; cursor: pointer; margin-bottom: 20px; }
.mobile-menu a { display: block; font-family: var(--font-heading); font-size: 1.2rem; margin-bottom: 20px; text-transform: uppercase; }

@media (max-width: 900px) {
    .skin-nav { display: none; }
    .mobile-toggle { display: flex; }
}

/* Hero */
.hero-tech { height: 80vh; background-size: cover; background-position: center; position: relative; }
.hero-content { position: absolute; top: 50%; left: 10%; transform: translateY(-50%); max-width: 600px; background: rgba(255, 255, 255, 0.9); padding: 40px; border-left: 5px solid var(--teal); }
.badge { background: var(--teal); color: var(--white); padding: 5px 10px; font-size: 0.7rem; font-weight: 600; letter-spacing: 1px; display: inline-block; margin-bottom: 15px; }
.hero-content h1 { font-family: var(--font-heading); font-size: 3rem; line-height: 1.1; margin-bottom: 20px; text-transform: uppercase; }
.hero-content p { margin-bottom: 30px; color: var(--text-light); }

.cta-group { display: flex; gap: 15px; }
.btn-primary { background: var(--text-dark); color: var(--white); padding: 12px 30px; font-weight: 600; font-size: 0.9rem; }
.btn-secondary { border: 1px solid var(--text-dark); color: var(--text-dark); padding: 12px 30px; font-weight: 600; font-size: 0.9rem; }
.btn-primary:hover { background: var(--teal); }
.btn-secondary:hover { background: var(--light-grey); }

/* Products Grid */
.section-title h2 { font-family: var(--font-heading); font-size: 2rem; color: var(--text-dark); }
.teal-line { width: 50px; height: 3px; background: var(--teal); margin: 15px auto; }
.teal-line.left { margin: 15px 0; }
.text-center { text-align: center; }

.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 50px; }
.product-card { background: var(--white); border: 1px solid var(--border); transition: 0.3s; position: relative; }
.product-card:hover { border-color: var(--teal); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
.p-img { position: relative; height: 300px; overflow: hidden; background: var(--light-grey); display: flex; align-items: center; justify-content: center; }
.p-img img { max-height: 90%; width: auto; mix-blend-mode: multiply; }
.tag { position: absolute; top: 10px; left: 10px; background: var(--text-dark); color: var(--white); padding: 3px 10px; font-size: 0.7rem; font-weight: 600; }
.tag.new { background: var(--teal); }

.p-info { padding: 20px; text-align: center; }
.p-info h3 { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 5px; }
.p-info p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 10px; }
.price { display: block; font-weight: 600; color: var(--teal); font-size: 1.1rem; margin-bottom: 15px; }
.btn-add { width: 100%; background: transparent; border: 1px solid var(--border); padding: 10px; font-weight: 600; cursor: pointer; transition: 0.3s; font-size: 0.8rem; }
.btn-add:hover { background: var(--text-dark); color: var(--white); border-color: var(--text-dark); }

/* Philosophy */
.philosophy-bar { background: var(--light-grey); padding: 60px 0; margin-top: 50px; }
.ph-flex { display: flex; justify-content: space-around; text-align: center; }
.ph-item .icon { font-size: 2.5rem; margin-bottom: 15px; display: block; }
.ph-item h4 { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 5px; }
.ph-item p { font-size: 0.9rem; color: var(--text-light); }

/* Catalog Layout */
.catalog-layout { display: grid; grid-template-columns: 1fr 3fr; gap: 40px; }
.filters h3 { font-family: var(--font-heading); font-size: 1rem; margin-bottom: 15px; border-bottom: 1px solid var(--border); padding-bottom: 5px; }
.filters ul { list-style: none; margin-bottom: 30px; }
.filters li { padding: 8px 0; cursor: pointer; color: var(--text-light); font-size: 0.9rem; }
.filters li:hover, .filters li.active { color: var(--teal); font-weight: 600; }
.catalog { margin-top: 0; grid-template-columns: repeat(2, 1fr); }

/* Science & Contact */
.science-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.text-block h1 { font-family: var(--font-heading); font-size: 2.5rem; line-height: 1.1; }
.tech-list { list-style: none; margin-top: 30px; }
.tech-list li { margin-bottom: 10px; font-weight: 600; font-size: 1.1rem; color: var(--text-dark); }
.img-block img { border-radius: 4px; box-shadow: 20px 20px 0 var(--teal); }

.contact-box { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; background: var(--light-grey); padding: 60px; }
.info-side h2 { font-family: var(--font-heading); margin-bottom: 20px; }
.info-item { margin-bottom: 20px; }
.info-item strong { display: block; font-size: 0.8rem; color: var(--text-light); letter-spacing: 1px; }

.lab-form .form-grp { margin-bottom: 20px; }
.lab-form label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 5px; }
.lab-form input, .lab-form select, .lab-form textarea { width: 100%; padding: 12px; border: 1px solid #ccc; background: var(--white); font-family: var(--font-body); }
.btn-submit { width: 100%; background: var(--teal); color: var(--white); border: none; padding: 15px; font-weight: 600; cursor: pointer; transition: 0.3s; }
.btn-submit:hover { background: var(--dark-teal); }

/* Legal Content */
.legal-content { max-width: 800px; margin: 0 auto; }
.legal-content h1 { font-family: var(--font-heading); }
.legal-content h3 { color: var(--teal); margin-top: 30px; font-family: var(--font-heading); }

/* Footer */
.tech-footer { background: var(--text-dark); color: var(--white); padding: 60px 0 20px; margin-top: 80px; }
.footer-content { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 30px; margin-bottom: 20px; }
.f-brand h4 { font-family: var(--font-heading); letter-spacing: 1px; }
.f-links a { color: #ccc; margin-left: 20px; font-size: 0.9rem; }
.f-links a:hover { color: var(--teal); }
.copyright { text-align: center; font-size: 0.8rem; color: #777; }

/* Cookie */
.cookie-science { position: fixed; bottom: 0; left: 0; width: 100%; background: var(--teal); color: var(--white); padding: 15px; display: flex; justify-content: center; align-items: center; gap: 20px; z-index: 3000; display: none; }
.cookie-science.active { display: flex; }
.cookie-science button { background: var(--white); color: var(--teal); border: none; padding: 5px 20px; font-weight: 600; cursor: pointer; }

@media (max-width: 900px) {
    .product-grid, .ph-flex, .catalog-layout, .science-layout, .contact-box, .catalog { grid-template-columns: 1fr; }
    .hero-content { left: 5%; width: 90%; }
    .footer-content { flex-direction: column; text-align: center; gap: 20px; }
    .ph-flex { gap: 30px; }
}