/* Optimized Minified CSS for Chakri Chitteti Portfolio */*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#6366f1;--secondary-color:#8b5cf6;--dark-color:#1e293b;--light-color:#f8fafc;--text-color:#334155;--white:#ffffff;--shadow:0 4px 6px rgba(0,0,0,0.1);--shadow-lg:0 10px 25px rgba(0,0,0,0.15)}html{scroll-behavior:smooth}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--white)}.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* Navigation */.navbar{background-color:var(--white);box-shadow:var(--shadow);position:fixed;top:0;width:100%;z-index:1000;transition:all 0.3s ease;animation:fadeIn 0.5s ease}.navbar.scrolled{background-color:rgba(255,255,255,0.95);backdrop-filter:blur(10px)}.navbar .container{display:flex;justify-content:space-between;align-items:center;padding:1rem 20px}.logo a{font-size:1.5rem;font-weight:bold;color:var(--primary-color);text-decoration:none}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-menu a{color:var(--text-color);text-decoration:none;font-weight:500;transition:color 0.3s ease;position:relative}.nav-menu a:hover{color:var(--primary-color)}.nav-menu a::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:var(--primary-color);transition:width 0.3s ease}.nav-menu a:hover::after{width:100%}.hamburger{display:none;flex-direction:column;cursor:pointer;gap:5px}.hamburger span{width:25px;height:3px;background-color:var(--dark-color);transition:all 0.3s ease}

/* Hero Section */.hero{min-height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,var(--light-color) 0%,#e2e8f0 100%);padding-top:80px}.hero-content{text-align:center;max-width:800px;margin:0 auto;animation:fadeInUp 1s ease}.hero-profile-image{margin-bottom:2rem;animation:fadeInUp 1s ease 0.1s both}.profile-photo{width:200px;height:200px;border-radius:50%;object-fit:cover;border:5px solid var(--white);box-shadow:0 10px 30px rgba(0,0,0,0.2);transition:transform 0.3s ease,box-shadow 0.3s ease;animation:float 3s ease-in-out infinite}.profile-photo:hover{transform:scale(1.05);box-shadow:0 15px 40px rgba(99,102,241,0.4)}.hero-title{font-size:3.5rem;margin-bottom:1rem;color:var(--dark-color);animation:fadeInUp 1s ease 0.2s both}.hero-subtitle{font-size:1.5rem;color:var(--primary-color);margin-bottom:1rem;font-weight:600;animation:fadeInUp 1s ease 0.4s both}.hero-description{font-size:1.1rem;margin-bottom:2rem;color:var(--text-color);animation:fadeInUp 1s ease 0.6s both}.hero-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;animation:fadeInUp 1s ease 0.8s both}.highlight{color:var(--primary-color)}.btn{padding:12px 30px;border-radius:50px;text-decoration:none;font-weight:600;transition:all 0.3s cubic-bezier(0.175,0.885,0.32,1.275);display:inline-block;border:2px solid transparent;position:relative;overflow:hidden}.btn::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,0.3);transform:translate(-50%,-50%);transition:width 0.6s ease,height 0.6s ease}.btn:hover::before{width:300px;height:300px}.btn-primary{background-color:var(--primary-color);color:var(--white)}.btn-primary:hover{background-color:var(--secondary-color);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background-color:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background-color:var(--primary-color);color:var(--white);transform:translateY(-2px)}

/* Section Styles */section{padding:80px 0}.section-title{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--dark-color);position:relative}.section-title::after{content:'';position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:0;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));border-radius:2px;animation:expandWidth 1s ease 0.5s forwards}@keyframes expandWidth{to{width:80px}}

/* About Section */.about{background-color:var(--white)}.about-content{display:grid;grid-template-columns:220px 1fr;gap:4rem;align-items:start;max-width:1000px;margin:0 auto}.about-image{display:flex;align-items:center;justify-content:center}.about-profile-photo{width:220px;height:220px;border-radius:12px;object-fit:cover;box-shadow:0 10px 25px rgba(0,0,0,0.15);transition:transform 0.3s ease,box-shadow 0.3s ease;display:block}.about-profile-photo:hover{transform:translateY(-5px);box-shadow:0 12px 32px rgba(99,102,241,0.2)}.about-text{line-height:1.8}.about-role{font-size:1.3rem;color:var(--primary-color);margin-bottom:0.25rem;font-weight:600;line-height:1.4}.about-year{font-size:1rem;color:var(--text-color);margin-bottom:1.5rem;font-weight:500}.about-introduction{margin-bottom:2rem}.about-introduction p{font-size:1.05rem;color:var(--text-color);line-height:1.75;margin-bottom:1rem}.about-introduction p:last-child{margin-bottom:0}.about-introduction strong{color:var(--primary-color);font-weight:600}.about-interests{margin-top:1.5rem}.interests-heading{font-size:1.2rem;color:var(--dark-color);margin-bottom:1rem;font-weight:600}.interests-list{list-style:none;padding:0;margin:0;display:grid;gap:0.75rem}.interests-list li{padding:0.75rem 1rem;background-color:var(--light-color);border-radius:8px;font-size:1rem;color:var(--text-color);transition:all 0.3s ease;display:flex;align-items:center;gap:0.75rem;border-left:3px solid transparent}.interests-list li:hover{background-color:#e0e7ff;color:var(--dark-color);transform:translateX(8px);border-left-color:var(--primary-color)}.interest-icon{font-size:1.25rem;display:inline-block;flex-shrink:0}

/* Skills Section */.skills{background-color:var(--light-color)}.skills-container{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.skill-category{background-color:var(--white);padding:2rem;border-radius:15px;box-shadow:var(--shadow);transition:all 0.3s ease;border-top:4px solid var(--primary-color)}.skill-category:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-top-color:var(--secondary-color)}.category-title{font-size:1.4rem;color:var(--dark-color);margin-bottom:1.5rem;font-weight:600;display:flex;align-items:center;gap:0.75rem;padding-bottom:1rem;border-bottom:2px solid var(--light-color)}.category-icon{font-size:1.8rem}.skills-list{display:flex;flex-wrap:wrap;gap:0.8rem}.skill-item{background-color:var(--light-color);color:var(--text-color);padding:0.6rem 1.2rem;border-radius:25px;font-size:0.95rem;font-weight:500;transition:all 0.3s ease;border:2px solid transparent;display:inline-block}.skill-item:hover{background-color:var(--primary-color);color:var(--white);transform:translateY(-2px);border-color:var(--secondary-color);box-shadow:0 4px 8px rgba(99,102,241,0.3)}

/* Certifications Section */.certifications{background-color:var(--white)}.certifications-container{max-width:600px;margin:0 auto;display:flex;justify-content:center}.certificate-card{background-color:var(--white);padding:2.5rem;border-radius:15px;box-shadow:var(--shadow);transition:all 0.4s cubic-bezier(0.175,0.885,0.32,1.275);border-top:4px solid var(--primary-color);text-align:center;width:100%}.certificate-card:hover{transform:translateY(-10px) scale(1.02);box-shadow:var(--shadow-lg);border-top-color:var(--secondary-color)}.certificate-icon{font-size:4rem;margin-bottom:1.5rem;animation:float 3s ease-in-out infinite}.certificate-title{font-size:1.8rem;color:var(--dark-color);margin-bottom:0.8rem;font-weight:700}.certificate-issuer{font-size:1.2rem;color:var(--primary-color);margin-bottom:1.2rem;font-weight:600}.certificate-description{font-size:1.05rem;color:var(--text-color);line-height:1.7;margin-bottom:2rem}.certificate-btn{display:inline-flex;align-items:center;gap:0.5rem;padding:12px 28px}

/* Projects Section */.projects-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:2rem}.project-card{background-color:var(--white);border-radius:15px;overflow:hidden;box-shadow:var(--shadow);transition:all 0.4s cubic-bezier(0.175,0.885,0.32,1.275);position:relative}.project-card::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(99,102,241,0.1),rgba(139,92,246,0.1));opacity:0;transition:opacity 0.3s ease;pointer-events:none}.project-card:hover::after{opacity:1}.project-card:hover{transform:translateY(-10px) scale(1.02);box-shadow:var(--shadow-lg)}.project-image .image-placeholder{width:100%;height:250px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.5rem;transition:transform 0.5s ease;position:relative;overflow:hidden}.security-bg{background:linear-gradient(135deg,#1e3a5f 0%,#2d4a6f 50%,#1e293b 100%) !important;position:relative}.security-bg::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(99,102,241,0.1) 10px,rgba(99,102,241,0.1) 20px)}.security-icon{font-size:4rem;z-index:1;position:relative;animation:pulse 2s ease-in-out infinite}.security-project{border-left:4px solid #6366f1}.security-project:hover{border-left-color:#8b5cf6}.project-card:hover .project-image .image-placeholder{transform:scale(1.1)}.project-content{padding:1.5rem}.project-content h3{margin-bottom:1rem;color:var(--dark-color)}.project-content p{margin-bottom:1rem;color:var(--text-color)}.project-description{font-size:1.05rem;line-height:1.7;margin-bottom:1.5rem !important}.project-details{margin:1.5rem 0}.detail-section{margin-bottom:1.5rem}.detail-title{font-size:1.1rem;color:var(--primary-color);font-weight:600;margin-bottom:0.8rem;display:flex;align-items:center;gap:0.5rem}.detail-title::before{content:'▶';font-size:0.8rem;color:var(--secondary-color)}.detail-list{list-style:none;padding:0;margin:0}.detail-list li{padding:0.6rem 0.8rem;margin-bottom:0.5rem;background-color:var(--light-color);border-radius:6px;font-size:0.95rem;color:var(--text-color);border-left:3px solid var(--primary-color);transition:all 0.3s ease}.detail-list li:hover{background-color:#e0e7ff;transform:translateX(5px);border-left-color:var(--secondary-color)}.project-note{margin-top:1.5rem;padding:1rem;background-color:#fef3c7;border-left:4px solid #f59e0b;border-radius:6px}.project-note small{color:#92400e;font-size:0.9rem;line-height:1.6;display:block}.project-note strong{color:#78350f}.project-tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-bottom:1rem}.project-tags span{background-color:var(--light-color);padding:0.3rem 0.8rem;border-radius:20px;font-size:0.85rem;color:var(--primary-color)}.project-links{display:flex;gap:1rem}.project-link{color:var(--primary-color);text-decoration:none;font-weight:600;transition:color 0.3s ease}.project-link:hover{color:var(--secondary-color)}

/* Contact Section */.contact{background-color:var(--light-color)}.contact-content{max-width:800px;margin:0 auto}.contact-info{text-align:center}.contact-info p{margin-bottom:2.5rem;font-size:1.1rem;color:var(--text-color)}.contact-details{margin-bottom:2.5rem}.contact-item{display:flex;align-items:center;justify-content:center;gap:1rem;margin-bottom:1.5rem;padding:1.2rem;background-color:var(--white);border-radius:12px;box-shadow:var(--shadow);transition:all 0.3s ease}.contact-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.contact-icon{font-size:2rem;display:flex;align-items:center;justify-content:center;width:50px;height:50px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));border-radius:50%}.contact-item-content{flex:1;text-align:left}.contact-item-content strong{display:block;margin-bottom:0.5rem;color:var(--dark-color);font-size:1rem}.contact-item a{color:var(--primary-color);text-decoration:none;font-size:1.05rem;font-weight:500;transition:all 0.3s ease;word-break:break-all;background:linear-gradient(135deg,rgba(99,102,241,0.1),rgba(139,92,246,0.1));padding:2px 6px;border-radius:4px}.contact-item a:hover{color:var(--secondary-color);text-decoration:underline;background:linear-gradient(135deg,rgba(99,102,241,0.2),rgba(139,92,246,0.2))}.contact-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}.contact-btn{display:flex;align-items:center;gap:0.5rem;padding:12px 24px}.btn-icon{font-size:1.2rem}

/* Footer */.footer{background-color:var(--dark-color);color:var(--white);text-align:center;padding:2rem 0}

/* Animations */@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideInLeft{from{opacity:0;transform:translateX(-50px)}to{opacity:1;transform:translateX(0)}}@keyframes slideInRight{from{opacity:0;transform:translateX(50px)}to{opacity:1;transform:translateX(0)}}@keyframes scaleIn{from{opacity:0;transform:scale(0.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shimmer{0%{background-position:-1000px 0}100%{background-position:1000px 0}}@keyframes float{0%,100%{transform:translateY(0px)}50%{transform:translateY(-10px)}}

/* Responsive Design */@media screen and (max-width:768px){.hamburger{display:flex}.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background-color:var(--white);width:100%;text-align:center;transition:0.3s;box-shadow:var(--shadow);padding:2rem 0;gap:0}.nav-menu.active{left:0}.nav-menu li{margin:1rem 0}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.section-title{font-size:2rem}.about-content{grid-template-columns:1fr;gap:2rem;text-align:center}.about-image{justify-content:center;order:-1}.skills-container{grid-template-columns:1fr}.projects-grid{grid-template-columns:1fr}.contact-content{max-width:100%}.contact-item{flex-direction:column;text-align:center;gap:1rem}.contact-item-content{text-align:center}.contact-buttons{flex-direction:column;align-items:stretch}.contact-btn{width:100%;justify-content:center}.about-profile-photo{width:200px;height:200px}.profile-photo{width:160px;height:160px}}@media screen and (max-width:480px){.hero-title{font-size:2rem}.profile-photo{width:140px;height:140px}.about-profile-photo{width:180px;height:180px}.hero-subtitle{font-size:1.1rem}.about-role{font-size:1.5rem}.about-year{font-size:1.1rem}.hero-buttons{flex-direction:column;align-items:center}.btn{width:100%;max-width:300px}.projects-grid{grid-template-columns:1fr}.project-image .image-placeholder{height:200px}}