:root{--brand-900:#0b3a67;--brand-700:#135a9b;--brand-500:#1b7bd0;--brand-300:#99c7f2;--bg-50:#f7fbff;}
html,body{font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial; color:#0f172a;}
.navbar{background-color: rgba(255,255,255,.95)!important; backdrop-filter:blur(6px);}
.btn-brand{background:var(--brand-500); color:#fff; border:none;}
.btn-brand:hover{background:var(--brand-700);}
.section-muted{background: var(--bg-50);}
.card{border:1px solid #e6eef8; box-shadow: 0 8px 24px rgba(2, 28, 61, .06);}
.footer{background:#0b1730; color:#b6c2d0;}
.footer a{color:#dce7f5; text-decoration:none;} .footer a:hover{text-decoration:underline;}
.cert-chip{border:1px solid #b3e1ff; background:#e9f6ff; color:#004a7c; border-radius:999px; padding:.35rem .75rem; font-weight:600;}
.hero-lab{position:relative;background:linear-gradient(rgba(6,20,40,.55),rgba(6,20,40,.55)),url('assets/images/hero.jpg')center/cover no-repeat;color:#fff;}
.hero-lab h1,.hero-lab p{color:#fff;}
.gallery img{object-fit:cover;height:240px;border-radius:1rem;}
.address{white-space:pre-line;}