:root{--font-display: "Sora", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--radius: 16px;--radius-sm: 10px;--container: 1120px;--nav-height: 68px}:root[data-theme=dark]{color-scheme:dark;--bg: #0a0f1e;--bg-soft: #0e1526;--card: rgba(255, 255, 255, .045);--card-strong: rgba(255, 255, 255, .07);--border: rgba(255, 255, 255, .09);--text: #e7ecf5;--muted: #94a3b8;--accent: #2dd4bf;--accent-2: #60a5fa;--accent-soft: rgba(45, 212, 191, .12);--nav-bg: rgba(10, 15, 30, .72);--glow: rgba(45, 212, 191, .16);--shadow: 0 12px 40px rgba(0, 0, 0, .35)}:root[data-theme=light]{color-scheme:light;--bg: #f5f7fb;--bg-soft: #eef1f8;--card: rgba(255, 255, 255, .72);--card-strong: rgba(255, 255, 255, .92);--border: rgba(15, 23, 42, .1);--text: #0f172a;--muted: #52607a;--accent: #0d9488;--accent-2: #2563eb;--accent-soft: rgba(13, 148, 136, .1);--nav-bg: rgba(245, 247, 251, .78);--glow: rgba(13, 148, 136, .14);--shadow: 0 12px 36px 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a:hover{color:var(--accent);text-decoration:none}@media(max-width:960px){.nav-links{display:none}.hamburger{display:flex}.mobile-menu{display:block}.hero-inner{grid-template-columns:1fr;gap:44px;text-align:left}.hero-card-wrap{justify-content:flex-start}.about-grid,.contact-grid{grid-template-columns:1fr;gap:36px}.skills-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.section{padding:72px 0}.container{padding:0 18px}.hero{padding-top:calc(var(--nav-height) + 28px)}.skills-grid,.cert-grid,.projects-grid{grid-template-columns:1fr}.hero-actions .btn{width:100%;justify-content:center}.edu-card{flex-direction:column}.timeline{padding-left:22px}.timeline-marker{left:-22px}.footer-inner{flex-direction:column;text-align:center}}