:root{--darkBg: #0f172a;--lightBg: #1e293b;--blue: #3b82f6;--white: #f1f5f9;--gray: #cbd5e1}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background:var(--darkBg);color:var(--white);line-height:1.6}html{scroll-behavior:smooth}.container{max-width:1000px;margin:0 auto;padding:0 2rem}.navbar{position:fixed;top:0;width:100%;background:var(--darkBg);border-bottom:1px solid var(--lightBg);z-index:1000;padding:1rem 0}.navContainer{max-width:1000px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--blue)}.navMenu{display:flex;list-style:none;gap:2rem}.navMenu a{color:var(--gray);text-decoration:none}.navMenu a:hover{color:var(--blue)}.hamburgerBtn{display:none;background:none;border:none;color:var(--blue);font-size:1.5rem;cursor:pointer}section{padding:4rem 0;margin-top:60px}.sectionTitle{font-size:2rem;margin-bottom:2rem;color:var(--blue)}.heroSection{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;margin-top:0}.heroContent h1{font-size:3rem;margin-bottom:.5rem}.subtitle{font-size:1.3rem;color:var(--gray);margin-bottom:1rem}.description{font-size:1.1rem;color:var(--gray);margin-bottom:2rem}.heroButtons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btnPrimary,.btnSecondary{padding:.75rem 1.5rem;border:2px solid var(--blue);border-radius:.3rem;font-size:1rem;cursor:pointer;text-decoration:none;display:inline-block}.btnPrimary{background:var(--blue);color:#fff}.btnPrimary:hover{background:#2563eb}.btnSecondary{background:transparent;color:var(--blue)}.btnSecondary:hover{background:var(--blue);color:#fff}.aboutSection{background:var(--lightBg)}.aboutSection p{font-size:1.1rem;color:var(--gray)}.skillsGrid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.skillCard{background:var(--lightBg);padding:2rem;border-radius:.3rem}.skillCard h3{color:var(--blue);margin-bottom:1rem}.skillCard p{color:var(--gray)}.experienceSection{background:var(--lightBg)}.expCard{background:var(--darkBg);padding:2rem;margin-bottom:1.5rem;border-radius:.3rem;border-left:3px solid var(--blue)}.date{color:var(--gray);font-size:.9rem;margin-bottom:.5rem}.projectGrid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}.projectCard{background:var(--lightBg);padding:2rem;border-radius:.3rem;border-top:3px solid var(--blue)}.contactSection,.educationSection,.certificationsSection{background:var(--lightBg)}@media(max-width:768px){.navMenu{display:none;position:absolute;top:60px;left:0;right:0;flex-direction:column;background:var(--darkBg);border-bottom:1px solid var(--lightBg);gap:0}.navMenu.active{display:flex}.navMenu li{padding:1rem 2rem;border-bottom:1px solid var(--lightBg)}.hamburgerBtn{display:block}.skillsGrid,.projectGrid{grid-template-columns:1fr}}