/* Palette: Clinical White, Light Gray, Lab Teal, Dark Text */
:root {
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --border: #E9ECEF;
    --teal: #00B5AD;
    --teal-dark: #009c95;
    --text: #2C3E50;
    --text-light: #6c757d;
    
    --font-head: 'Lato', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

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

.container { width: 90%; max-width: 1100px; margin: 0 auto; }
.section-padding { padding: 100px 0; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; height: auto; display: block; }

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

.logo { font-family: var(--font-head); font-weight: 700; font-size: 1.5rem; letter-spacing: 1px; color: var(--text); }
.dot { color: var(--teal); }
.lab-tag { background: var(--teal); color: var(--white); padding: 2px 6px; font-size: 0.8rem; margin-left: 5px; border-radius: 2px; letter-spacing: 1px; }

.nav a { margin-left: 30px; font-family: var(--font-head); font-size: 0.9rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; }
.nav a:hover, .nav a.active { color: var(--teal); }

.lang { margin-left: 30px; font-size: 0.8rem; color: var(--text-light); }
.lang .active { font-weight: 700; color: var(--text); }

.mobile-toggle { display: none; background: transparent; border: 1px solid var(--border); padding: 8px 15px; cursor: pointer; color: var(--text); }

/* Mobile Menu */
.mobile-menu { position: fixed; top: 0; right: -100%; width: 300px; height: 100%; background: var(--white); z-index: 2000; padding: 50px; transition: 0.3s; border-left: 2px solid var(--teal); box-shadow: -5px 0 20px rgba(0,0,0,0.05); }
.mobile-menu.active { right: 0; }
.close-btn { background: none; border: none; font-size: 1.5rem; margin-bottom: 30px; cursor: pointer; color: var(--text-light); }
.mobile-menu a { display: block; font-family: var(--font-head); font-size: 1.3rem; margin-bottom: 20px; color: var(--text); }
.mobile-menu a:hover { color: var(--teal); }

@media (max-width: 900px) {
    .nav, .lang { display: none; }
    .mobile-toggle { display: block; }
}

/* Hero */
.hero { display: grid; grid-template-columns: 1fr 1fr; align-items: center; background: var(--light-gray); min-height: 80vh; }
.hero-content { padding: 50px; }
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

.badge { font-family: var(--font-head); font-size: 0.75rem; letter-spacing: 2px; color: var(--teal); border: 1px solid var(--teal); padding: 5px 15px; display: inline-block; margin-bottom: 20px; border-radius: 20px; }
.hero h1 { font-family: var(--font-head); font-size: 3.5rem; line-height: 1.1; margin-bottom: 20px; font-weight: 300; }
.hero h1 strong, .teal-text { font-weight: 700; color: var(--teal); }
.hero p { font-size: 1.2rem; color: var(--text-light); margin-bottom: 40px; max-width: 500px; }

.hero-btns { display: flex; gap: 20px; }
.btn-primary { background: var(--teal); color: var(--white); padding: 12px 30px; border-radius: 30px; font-family: var(--font-head); font-weight: 700; font-size: 0.9rem; border: none; cursor: pointer; transition: 0.3s; box-shadow: 0 5px 15px rgba(0, 181, 173, 0.2); }
.btn-primary:hover { background: var(--teal-dark); transform: translateY(-2px); }
.btn-secondary { background: var(--white); border: 1px solid var(--border); color: var(--text); padding: 12px 30px; border-radius: 30px; font-family: var(--font-head); font-weight: 700; font-size: 0.9rem; transition: 0.3s; }
.btn-secondary:hover { border-color: var(--teal); color: var(--teal); }

/* Facts */
.facts-section { background: var(--white); border-bottom: 1px solid var(--border); padding: 40px 0; }
.facts-grid { display: flex; justify-content: space-around; text-align: center; }
.fact strong { display: block; font-size: 2.5rem; font-family: var(--font-head); color: var(--teal); font-weight: 300; }
.fact span { font-size: 0.9rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 1px; }

/* Services Teaser */
.section-header h2 { font-family: var(--font-head); font-size: 2.2rem; margin-bottom: 15px; font-weight: 400; letter-spacing: 1px; }
.teal-dash { width: 50px; height: 3px; background: var(--teal); margin-bottom: 40px; }
.center { text-align: center; }
.center .teal-dash { margin: 0 auto 40px; }
.left { margin-right: auto; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: var(--white); padding: 40px 30px; border: 1px solid var(--border); border-radius: 8px; transition: 0.3s; text-align: center; }
.service-card:hover { border-color: var(--teal); box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.icon { font-size: 2.5rem; margin-bottom: 20px; background: var(--light-gray); width: 70px; height: 70px; display: flex; align-items: center; justify-content: center; border-radius: 50%; margin-left: auto; margin-right: auto; }
.service-card h3 { font-family: var(--font-head); font-size: 1.3rem; margin-bottom: 10px; font-weight: 400; }
.service-card p { color: var(--text-light); font-size: 0.95rem; }

/* Research Page */
.research-list { display: flex; flex-direction: column; gap: 50px; }
.research-item { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.research-item.reverse { direction: rtl; }
.research-item.reverse .r-content { direction: ltr; }
.r-img img { border-radius: 4px; box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
.r-content h3 { font-family: var(--font-head); font-size: 1.8rem; margin-bottom: 15px; color: var(--teal); font-weight: 400; }
.check-list { list-style: none; margin-top: 20px; }
.check-list li { margin-bottom: 10px; color: var(--text-light); position: relative; padding-left: 20px; }
.check-list li::before { content: '•'; color: var(--teal); position: absolute; left: 0; font-size: 1.2rem; line-height: 1; }

/* Technology Page */
.tech-wrapper { max-width: 900px; margin: 0 auto; text-align: center; }
.tech-wrapper h1 { font-family: var(--font-head); font-size: 2.5rem; font-weight: 300; margin-bottom: 15px; }
.intro-text { font-size: 1.2rem; color: var(--text-light); margin-bottom: 60px; }

.tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; text-align: left; }
.tech-card { background: var(--light-gray); padding: 30px; border-radius: 4px; border-left: 3px solid var(--teal); }
.tech-id { font-family: monospace; font-size: 0.8rem; color: var(--text-light); display: block; margin-bottom: 10px; }
.tech-card h3 { font-family: var(--font-head); font-size: 1.3rem; margin-bottom: 10px; }

/* About Page */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: center; }
.about-text h1 { font-family: var(--font-head); font-size: 2.5rem; margin-bottom: 20px; font-weight: 300; }
.certificates { display: flex; gap: 15px; margin-top: 30px; flex-wrap: wrap; }
.certificates span { background: var(--teal); color: var(--white); padding: 5px 15px; font-size: 0.8rem; border-radius: 4px; font-weight: 700; }

/* Contact Page */
.contact-clean { max-width: 700px; margin: 0 auto; background: var(--white); padding: 50px; border: 1px solid var(--border); box-shadow: 0 10px 40px rgba(0,0,0,0.03); border-radius: 8px; }
.c-header { text-align: center; margin-bottom: 40px; }
.c-header h2 { font-family: var(--font-head); font-weight: 300; font-size: 2rem; color: var(--teal); }

.sterile-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.f-group { margin-bottom: 25px; }
.f-group label { display: block; font-size: 0.85rem; color: var(--text-light); margin-bottom: 5px; font-weight: 500; }
.f-group input, .f-group select, .f-group textarea { width: 100%; padding: 12px; border: 1px solid var(--border); border-radius: 4px; background: var(--light-gray); font-family: var(--font-body); font-weight: 300; }
.f-group input:focus, .f-group select:focus, .f-group textarea:focus { outline: none; border-color: var(--teal); background: var(--white); }
.full { width: 100%; }

.contact-info { text-align: center; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--text-light); font-size: 0.9rem; }

/* Legal */
.legal-doc { max-width: 800px; margin: 0 auto; background: var(--white); padding: 60px; border: 1px solid var(--border); }
.legal-doc h1 { font-family: var(--font-head); font-weight: 300; }

/* Footer */
.footer { background: var(--light-gray); padding: 60px 0 20px; margin-top: 100px; border-top: 1px solid var(--border); }
.footer-content { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.f-info h4 { font-family: var(--font-head); font-weight: 700; color: var(--text); margin-bottom: 5px; }
.f-nav a { margin-left: 20px; color: var(--text-light); font-size: 0.9rem; }
.f-nav a:hover { color: var(--teal); }
.copyright { text-align: center; font-size: 0.8rem; color: #aaa; padding-top: 20px; border-top: 1px solid #e0e0e0; }

@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; }
    .hero-image { display: none; }
    .hero-content { padding: 50px 20px; text-align: center; }
    .hero-btns { justify-content: center; }
    .facts-grid { flex-direction: column; gap: 30px; }
    .grid-3, .research-item, .tech-grid, .about-grid, .sterile-form .form-row { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 20px; text-align: center; }
}