*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #007acc;--secondary-color: #1a1a1a;--accent-color: #00d4ff;--text-primary: #ffffff;--text-secondary: #a0a0a0;--bg-primary: #0a0a0a;--bg-secondary: #111111;--border-color: #333333;--gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);--shadow: 0 10px 30px rgba(0, 0, 0, .3);--shadow-hover: 0 20px 40px rgba(0, 0, 0, .4)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow-x:hidden}.container{min-height:100vh;display:flex;flex-direction:column}.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:#0a0a0af2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color)}.nav{max-width:1200px;margin:0 auto;padding:1rem 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4rem;text-align:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(0,122,204,.1) 0%,transparent 70%);pointer-events:none}.hero-content{max-width:800px;z-index:1;position:relative}.hero-profile{margin-bottom:2rem}.profile-image{width:120px;height:120px;border-radius:50%;object-fit:cover;border:3px solid var(--accent-color);box-shadow:0 4px 20px #0000001a;transition:transform .3s ease}.profile-image:hover{transform:scale(1.05)}.hero-title{font-size:clamp(3rem,8vw,5rem);font-weight:700;margin-bottom:1rem;line-height:1.1}.highlight{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative}.hero-subtitle{font-size:clamp(1.5rem,4vw,2.5rem);font-weight:600;color:var(--accent-color);margin-bottom:1.5rem}.hero-description{font-size:1.2rem;color:var(--text-secondary);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn{padding:1rem 2rem;border:none;border-radius:50px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s 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auto;text-align:center}.certifications-title{font-size:2.5rem;font-weight:700;margin-bottom:2rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.certifications-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;max-width:1200px;margin:0 auto}.certification-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;transition:all .3s ease;position:relative;overflow:hidden}.certification-card:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:var(--gradient-primary);opacity:.1;transition:left .3s ease}.certification-card:hover:before{left:0}.certification-card:hover{transform:translateY(-5px);border-color:var(--accent-color);box-shadow:var(--shadow)}.certification-icon{width:32px;height:32px;margin:0 auto 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a{color:var(--text-secondary);text-decoration:none;border-bottom:1px dotted var(--text-secondary);transition:color .3s ease}.credits-popup a:hover{color:var(--accent-color);border-bottom-color:var(--accent-color)}@media (max-width: 768px){.nav{padding:1rem}.nav-links{position:fixed;top:70px;left:-100%;width:100%;height:calc(100vh - 70px);background:#0a0a0afa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);flex-direction:column;justify-content:flex-start;align-items:center;padding-top:2rem;gap:2rem;transition:left .3s ease;z-index:999}.nav-links.active{left:0}.nav-links a{font-size:1.2rem;padding:1rem 2rem;width:100%;text-align:center;border-bottom:1px solid var(--border-color)}.nav-links a:last-child{border-bottom:none}.nav-toggle{display:flex}.nav-toggle.active span:nth-child(1){transform:rotate(-45deg) translate(-5px,6px)}.nav-toggle.active span:nth-child(2){opacity:0}.nav-toggle.active span:nth-child(3){transform:rotate(45deg) translate(-5px,-6px)}.hero{padding:6rem 1rem 3rem}.profile-image{width:100px;height:100px}.hero-cta{flex-direction:column;align-items:center}.btn{width:100%;max-width:300px}.social-grid{grid-template-columns:1fr;gap:1rem}.social-section{padding:3rem 1rem}.certifications-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.certifications-section{padding:2rem 1rem}.writings-grid{grid-template-columns:1fr;gap:1.5rem}.writings-section{padding:3rem 1rem}}@media (max-width: 480px){.nav-brand{font-size:1.2rem}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.5rem}.hero-description{font-size:1rem}.certifications-title,.social-title{font-size:2rem}.certification-card{padding:1rem}.certification-name{font-size:.9rem}.certification-issuer{font-size:.8rem}.certification-date{font-size:.7rem}.writings-title,.certifications-title,.social-title{font-size:2rem}.writing-card{padding:1.5rem}.writing-title{font-size:1.1rem}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.hero-content{animation:fadeInUp .8s ease-out}.social-link{animation:fadeInUp .6s ease-out}.social-link:nth-child(1){animation-delay:.1s}.social-link:nth-child(2){animation-delay:.2s}.social-link:nth-child(3){animation-delay:.3s}.social-link:nth-child(4){animation-delay:.4s}html{scroll-behavior:smooth}