:root{--bg: #f6fbfb;--bg-soft: #eaf6f5;--surface: rgba(255, 255, 255, .78);--surface-solid: #ffffff;--text: #102122;--muted: #637273;--line: rgba(16, 33, 34, .12);--primary: #0f766e;--primary-dark: #0f4f4a;--accent: #d6a85d;--shadow: 0 24px 70px rgba(15, 79, 74, .14);--radius-xl: 34px;--radius-lg: 24px;--radius-md: 16px;--max: 1180px}body.dark{--bg: #091314;--bg-soft: #0d1f21;--surface: rgba(13, 31, 33, .78);--surface-solid: #102326;--text: #f2fbfa;--muted: #9cb4b3;--line: rgba(242, 251, 250, .12);--primary: #5eead4;--primary-dark: #99f6e4;--accent: #f2c572;--shadow: 0 24px 70px rgba(0, 0, 0, .3)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:radial-gradient(circle at top left,rgba(15,118,110,.18),transparent 34rem),radial-gradient(circle at top right,rgba(214,168,93,.18),transparent 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a,.theme-toggle{text-align:left}.hero-grid,.split-section,.education-section,.proof-grid,.metrics-section{grid-template-columns:1fr}.profile-card{min-height:420px}.project-grid,.specialty-grid{grid-template-columns:1fr}.timeline:before,.timeline-item:before{display:none}.timeline-item{grid-template-columns:1fr;gap:8px}.timeline-date{padding-top:0}.publication-item{grid-template-columns:1fr}}@media(max-width:640px){.section-shell{padding-top:76px}.hero{padding-top:56px}h1{font-size:clamp(2.35rem,13vw,3.55rem)}h2{font-size:clamp(1.9rem,10vw,3rem)}.brand-copy small{display:none}.metrics-section,.proof-grid,.profile-stats{grid-template-columns:1fr}.profile-card{min-height:455px;padding:26px}.focus-card{min-height:auto;padding:26px}.profile-initials{width:132px;height:132px;font-size:3.1rem}.skill-tabs{width:100%;display:grid;grid-template-columns:1fr;border-radius:24px}.hero-tags 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