@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

:root {
  --blue: #004A99;
  --blue-dark: #003570;
  --blue-light: #e8f0fe;
  --teal: #00897B;
  --teal-light: #e0f2f1;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e1;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1e293b;
  --gray-900: #0f172a;
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.1);
  --shadow-xl: 0 20px 60px rgba(0,0,0,.12);
  --radius: 12px;
  --transition: .3s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,74,153,.06);
  transition: var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-md); }
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo img { height: 40px; }
.nav-logo span {
  font-family: var(--font-serif); font-size: 1.4rem; font-weight: 700;
  color: var(--blue); letter-spacing: -.5px;
}
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a {
  text-decoration: none; font-size: .9rem; font-weight: 500;
  color: var(--gray-600); position: relative; transition: var(--transition);
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--teal); transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--blue); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.lang-toggle {
  display: flex; border: 1.5px solid var(--gray-200); border-radius: 8px; overflow: hidden;
}
.lang-toggle button {
  border: none; padding: 6px 14px; font-size: .8rem; font-weight: 600;
  cursor: pointer; transition: var(--transition);
  background: transparent; color: var(--gray-500); font-family: var(--font-sans);
}
.lang-toggle button.active {
  background: var(--blue); color: var(--white);
}

.hamburger {
  display: none; border: none; background: none; cursor: pointer;
  flex-direction: column; gap: 5px; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px; background: var(--gray-700);
  transition: var(--transition);
}

/* ── HERO ── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  background: linear-gradient(135deg, #f0f6ff 0%, #e0f2f1 50%, #f8fafc 100%);
  overflow: hidden; padding-top: 80px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url('images/hero-lab.png') center/cover no-repeat;
  opacity: .12;
}
.hero-inner {
  position: relative; max-width: 1200px; margin: 0 auto;
  padding: 80px 24px; display: grid;
  grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,137,123,.1); color: var(--teal);
  padding: 8px 16px; border-radius: 40px; font-size: .8rem;
  font-weight: 600; margin-bottom: 20px; letter-spacing: .5px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{ opacity: 1; } 50%{ opacity: .4; } }

.hero h1 {
  font-family: var(--font-serif); font-size: clamp(2.4rem,5vw,3.6rem);
  font-weight: 700; line-height: 1.15; color: var(--gray-900);
  margin-bottom: 20px;
}
.hero h1 .highlight {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 1.1rem; color: var(--gray-600); max-width: 520px;
  margin-bottom: 32px; line-height: 1.8;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 10px; font-size: .9rem;
  font-weight: 600; text-decoration: none; border: none;
  cursor: pointer; transition: var(--transition); font-family: var(--font-sans);
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white); box-shadow: 0 4px 16px rgba(0,74,153,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,74,153,.4); }
.btn-outline {
  background: transparent; color: var(--blue);
  border: 1.5px solid var(--blue);
}
.btn-outline:hover { background: var(--blue); color: var(--white); }

.hero-image {
  position: relative; border-radius: 20px; overflow: hidden;
  box-shadow: var(--shadow-xl);
}
.hero-image img { width: 100%; height: 400px; object-fit: cover; display: block; }
.hero-image .overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,74,153,.8));
  padding: 24px; color: var(--white);
}
.hero-image .overlay p { color: rgba(255,255,255,.9); font-size: .85rem; margin: 0; }

.hero-stats {
  display: flex; gap: 40px; margin-top: 40px; padding-top: 32px;
  border-top: 1px solid var(--gray-200);
}
.hero-stats .stat h3 { font-size: 1.8rem; font-weight: 700; color: var(--blue); }
.hero-stats .stat p { font-size: .8rem; color: var(--gray-500); margin: 0; }

/* ── SECTION ── */
.section { padding: 100px 24px; }
.section-header {
  text-align: center; max-width: 680px; margin: 0 auto 60px;
}
.section-label {
  display: inline-block; font-size: .75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 2px; color: var(--teal);
  margin-bottom: 12px;
}
.section-header h2 {
  font-family: var(--font-serif); font-size: clamp(1.8rem,3.5vw,2.6rem);
  font-weight: 700; color: var(--gray-900); margin-bottom: 16px;
}
.section-header p { color: var(--gray-500); font-size: 1.05rem; }

.container { max-width: 1200px; margin: 0 auto; }

/* ── ABOUT (PILLARS) ── */
.about-section { background: var(--gray-50); }
.pillars { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.pillar {
  background: var(--white); border-radius: var(--radius);
  padding: 36px 28px; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100); transition: var(--transition);
  position: relative; overflow: hidden;
}
.pillar::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  transform: scaleX(0); transform-origin: left; transition: var(--transition);
}
.pillar:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.pillar:hover::before { transform: scaleX(1); }
.pillar-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; margin-bottom: 20px;
}
.pillar-icon.blue { background: var(--blue-light); color: var(--blue); }
.pillar-icon.teal { background: var(--teal-light); color: var(--teal); }
.pillar-icon.green { background: #e8f5e9; color: #2e7d32; }
.pillar h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; color: var(--gray-800); }
.pillar p { font-size: .9rem; color: var(--gray-500); line-height: 1.7; }

/* ── VISION MISSION ── */
.vm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.vm-card {
  padding: 40px; border-radius: var(--radius);
  position: relative; overflow: hidden;
}
.vm-card.vision {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  color: var(--white);
}
.vm-card.mission {
  background: var(--white); border: 1.5px solid var(--gray-200);
}
.vm-card h3 { font-family: var(--font-serif); font-size: 1.4rem; margin-bottom: 16px; }
.vm-card.vision h3 { color: var(--white); }
.vm-card.mission h3 { color: var(--blue); }
.vm-card p { font-size: .95rem; line-height: 1.8; }
.vm-card.vision p { color: rgba(255,255,255,.85); }
.vm-card.mission p { color: var(--gray-600); }
.vm-card ul { list-style: none; margin-top: 16px; }
.vm-card ul li { padding: 8px 0; padding-left: 24px; position: relative; font-size: .93rem; }
.vm-card.mission ul li { color: var(--gray-600); }
.vm-card ul li::before {
  content: '✦'; position: absolute; left: 0; color: var(--teal);
}
.vm-card.vision ul li::before { color: rgba(255,255,255,.6); }

/* ── HOW WE WORK ── */
.how-section { background: var(--gray-50); }
.how-intro { text-align: center; max-width: 750px; margin: 0 auto 50px; }
.how-intro p { font-size: 1.05rem; color: var(--gray-500); }

.pipeline { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; position: relative; }
.pipeline::before {
  content: ''; position: absolute; top: 60px; left: 10%; right: 10%;
  height: 2px; background: linear-gradient(90deg, var(--blue), var(--teal));
  opacity: .2;
}
.pipe-step {
  text-align: center; position: relative; padding: 0 8px;
}
.pipe-num {
  width: 48px; height: 48px; border-radius: 50%; margin: 0 auto 20px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.1rem; color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--teal));
  box-shadow: 0 4px 16px rgba(0,74,153,.25);
  position: relative; z-index: 1;
}
.pipe-step h4 { font-size: 1rem; font-weight: 700; color: var(--gray-800); margin-bottom: 10px; }
.pipe-step p { font-size: .85rem; color: var(--gray-500); line-height: 1.7; }

.how-quote {
  text-align: center; margin-top: 60px; padding: 40px;
  background: var(--white); border-radius: var(--radius);
  border-left: 4px solid var(--teal);
}
.how-quote blockquote {
  font-family: var(--font-serif); font-size: 1.2rem;
  color: var(--gray-700); font-style: italic;
}

/* ── FACILITY ── */
.facility-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
}
.facility-image { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.facility-image img { width: 100%; height: 420px; object-fit: cover; display: block; }
.facility-features { display: flex; flex-direction: column; gap: 24px; }
.facility-feat {
  display: flex; gap: 16px; padding: 20px;
  background: var(--gray-50); border-radius: var(--radius);
  transition: var(--transition);
}
.facility-feat:hover { background: var(--blue-light); transform: translateX(4px); }
.facility-feat .icon {
  width: 44px; height: 44px; min-width: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: var(--white); font-size: 1.2rem;
}
.facility-feat h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; color: var(--gray-800); }
.facility-feat p { font-size: .85rem; color: var(--gray-500); margin: 0; }

/* ── PRODUCTS ── */
.products-section { background: var(--gray-50); }
.product-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; margin-bottom: 60px; }
.product-card {
  background: var(--white); border-radius: var(--radius);
  padding: 32px 28px; border: 1px solid var(--gray-100);
  transition: var(--transition); position: relative; overflow: hidden;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-card .tag {
  display: inline-block; font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px; padding: 4px 12px;
  border-radius: 20px; margin-bottom: 16px;
}
.product-card .tag.infectious { background: #e3f2fd; color: #1565c0; }
.product-card .tag.oncology { background: #fce4ec; color: #c62828; }
.product-card .tag.general { background: var(--teal-light); color: var(--teal); }
.product-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: var(--gray-800); }
.product-card p { font-size: .88rem; color: var(--gray-500); line-height: 1.7; }

/* ── PARTNERS ── */
.partners-bar {
  background: var(--white); border-radius: var(--radius);
  padding: 40px; text-align: center; box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-100);
}
.partners-bar h3 { font-family: var(--font-serif); font-size: 1.3rem; color: var(--gray-800); margin-bottom: 8px; }
.partners-bar p { color: var(--gray-500); font-size: .95rem; margin-bottom: 28px; }
.partner-types { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.partner-type {
  display: flex; align-items: center; gap: 10px;
  font-size: .9rem; color: var(--gray-600); font-weight: 500;
}
.partner-type .icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}

/* ── CTA ── */
.cta-section {
  background: linear-gradient(135deg, var(--blue), var(--blue-dark));
  text-align: center; color: var(--white);
}
.cta-section h2 {
  font-family: var(--font-serif); font-size: clamp(1.6rem,3vw,2.2rem);
  margin-bottom: 16px;
}
.cta-section p { color: rgba(255,255,255,.75); margin-bottom: 32px; font-size: 1.05rem; max-width: 550px; margin-left: auto; margin-right: auto; }
.cta-section .btn-primary {
  background: var(--white); color: var(--blue);
  box-shadow: 0 4px 16px rgba(0,0,0,.15);
}
.cta-section .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }

/* ── CONTACT ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-form {
  background: var(--white); padding: 36px; border-radius: var(--radius);
  box-shadow: var(--shadow-md); border: 1px solid var(--gray-100);
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: .85rem; font-weight: 600;
  color: var(--gray-700); margin-bottom: 6px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--gray-200);
  border-radius: 8px; font-family: var(--font-sans); font-size: .9rem;
  transition: var(--transition); background: var(--gray-50);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,74,153,.1);
  background: var(--white);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.contact-info { display: flex; flex-direction: column; justify-content: center; gap: 28px; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item .icon {
  width: 44px; height: 44px; min-width: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-light); color: var(--blue); font-size: 1.1rem;
}
.contact-item h4 { font-size: .95rem; font-weight: 700; color: var(--gray-800); margin-bottom: 2px; }
.contact-item p { font-size: .88rem; color: var(--gray-500); margin: 0; }

/* ── FOOTER ── */
.footer {
  background: var(--gray-900); color: var(--gray-400);
  padding: 60px 24px 24px;
}
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid var(--gray-700);
}
.footer-brand p { font-size: .88rem; line-height: 1.7; margin-top: 12px; }
.footer h4 { color: var(--white); font-size: .9rem; margin-bottom: 16px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { text-decoration: none; color: var(--gray-400); font-size: .85rem; transition: var(--transition); }
.footer ul a:hover { color: var(--teal); }
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  padding-top: 24px; display: flex; justify-content: space-between;
  font-size: .8rem; color: var(--gray-500);
}
.cert-badges { display: flex; gap: 12px; }
.cert-badge {
  padding: 4px 12px; border: 1px solid var(--gray-700);
  border-radius: 6px; font-size: .7rem; font-weight: 600; color: var(--gray-400);
}

/* ── ANIMATIONS ── */
.fade-up {
  opacity: 0; transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero p { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-image { max-width: 600px; margin: 0 auto; }
  .hero-stats { justify-content: center; }
  .pillars { grid-template-columns: 1fr 1fr; }
  .pipeline { grid-template-columns: 1fr 1fr; }
  .pipeline::before { display: none; }
  .facility-grid { grid-template-columns: 1fr; }
  .product-cards { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white); padding: 24px;
    box-shadow: var(--shadow-lg); gap: 16px;
  }
  .hero { min-height: auto; padding-top: 100px; padding-bottom: 40px; }
  .hero-stats { gap: 20px; }
  .pillars { grid-template-columns: 1fr; }
  .pipeline { grid-template-columns: 1fr; }
  .vm-grid { grid-template-columns: 1fr; }
  .product-cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .partner-types { flex-direction: column; align-items: center; }
}