body,section h1{font-size:16px}.nav,nav{display:flex}#scrollTopBtn:hover,.btn-primary:hover{transform:translateY(-1px)}:root{--color-primary:#0A2540;--color-accent:#2EC4B6;--color-bg:#F5F7FA;--color-surface:#FFFFFF;--color-text:#111827;--color-text-muted:#5C677D;--color-border:#E5E7EB;--space-xs:.5rem;--space-sm:1rem;--space-md:1.5rem;--space-lg:2.5rem;--space-xl:4rem;--radius-sm:8px;--radius-md:14px;--shadow-soft:0 8px 24px rgba(0,0,0,.06);--font-base:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-base);line-height:1.6;background:var(--color-bg);color:var(--color-text)}.nav{align-items:center;justify-content:space-between}#scrollTopBtn,.nav-toggle{color:var(--color-primary);cursor:pointer;display:none}.nav-links a{margin-left:var(--space-md);text-decoration:none;font-weight:500}.nav-toggle{font-size:1.6rem;background:0 0;border:none}.mobile-menu,header{background:var(--color-surface)}.btn-primary,.skip-link{font-weight:600;border-radius:var(--radius-sm);text-decoration:none}.mobile-menu{box-shadow:var(--shadow-soft);padding:var(--space-md)}#scrollTopBtn:hover,.btn-primary,.skip-link{background:var(--color-accent);color:#003a3a}.mobile-menu a{display:block;padding:var(--space-sm) 0;text-decoration:none;font-weight:500;color:var(--color-primary)}@media (max-width:768px){.nav-links{display:none}.nav-toggle{display:block}}:focus-visible{outline:3px solid var(--color-accent);outline-offset:3px}.skip-link{position:absolute;top:-40px;left:1rem;padding:.5rem 1rem;z-index:1000}.container,footer{padding:var(--space-lg) var(--space-md)}.skip-link:focus{top:1rem}.container{max-width:1100px;margin:auto}header{box-shadow:0 2px 10px rgba(0,0,0,.05)}nav{justify-content:space-between;align-items:center}.hero{padding-top:var(--space-xl);padding-bottom:var(--space-xl)}footer{background:var(--color-primary);color:#fff;font-size:.9rem}footer a{color:#e6f2f2;text-decoration:none}.btn-primary{display:inline-block;padding:.75rem 1.6rem}#scrollTopBtn,.service-card{background:var(--color-surface);box-shadow:var(--shadow-soft)}.btn-primary:hover{box-shadow:var(--shadow-soft)}#scrollTopBtn{position:fixed;bottom:1.5rem;right:1.5rem;width:42px;height:42px;border:none;border-radius:50%;font-size:1.2rem;line-height:1;z-index:1000;transition:background .2s,transform .15s}#scrollTopBtn:focus-visible{outline:3px solid var(--color-accent);outline-offset:4px}.services{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:var(--space-md)}.service-card{padding:var(--space-md);border-radius:var(--radius-md)}.service-card p{color:var(--color-text-muted)}