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960px){.hero-grid{grid-template-columns:1fr}.mock{max-width:460px;margin-inline:auto;width:100%}.about-grid{grid-template-columns:1fr}.about-photo{max-width:440px;margin-inline:auto}.cards-3,.proj-grid{grid-template-columns:repeat(2,1fr)}.writing-card,.certs-grid{grid-template-columns:1fr}}@media (max-width: 720px){.nav-links,.nav-login,.nav-cta .btn-primary{display:none}.nav-toggle{display:grid}.nav.open .nav-links{display:flex;flex-direction:column;align-items:stretch;gap:4px;position:absolute;top:70px;left:0;right:0;background:#fffffffa;backdrop-filter:blur(14px);padding:14px var(--gutter) 22px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}.nav.open .nav-links a{padding:12px 14px;font-size:1rem}.stats{grid-template-columns:repeat(2,1fr);gap:26px 18px}.cards-3,.proj-grid,.contact-cards{grid-template-columns:1fr}.mock-float{left:0}body{font-size:16px}}