:root{--primary-color: #1a56db;--secondary-color: #172b4d;--accent-color: #34d399;--text-color: #333;--light-text: #f8fafc;--bg-color: #ffffff;--light-bg: #f1f5f9;--border-color: #e2e8f0;--shadow: 0 4px 6px rgba(0, 0, 0, .1);--transition: all .3s ease;--border-radius: 8px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Roboto,sans-serif;color:var(--text-color);line-height:1.6;background-color:var(--bg-color)}a{text-decoration:none;color:var(--primary-color);transition:var(--transition)}a:hover{color:var(--accent-color)}ul{list-style:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}section{padding:80px 0}.section-title{text-align:center;margin-bottom:50px;font-size:2.5rem;color:var(--secondary-color);position:relative}.section-title:after{content:"";display:block;width:100px;height:4px;background-color:var(--accent-color);margin:15px auto 0;border-radius:2px}.btn{display:inline-block;padding:12px 25px;border-radius:var(--border-radius);font-weight:600;cursor:pointer;transition:var(--transition);text-align:center}.btn.primary{background-color:var(--primary-color);color:#fff}.btn.primary:hover{background-color:#0e46b7;transform:translateY(-2px);box-shadow:var(--shadow)}.btn.secondary{background-color:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}.btn.secondary:hover{background-color:var(--primary-color);color:#fff;transform:translateY(-2px)}header{position:fixed;top:0;left:0;width:100%;background-color:#fffffff2;box-shadow:0 2px 10px #0000001a;z-index:1000;transition:var(--transition)}header .container{display:flex;justify-content:space-between;align-items:center;padding:15px 20px}.logo h1{font-size:1.5rem;font-weight:700;color:var(--primary-color)}nav ul{display:flex;gap:20px}nav a{color:var(--secondary-color);font-weight:500;position:relative}nav a:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:var(--accent-color);transition:var(--transition)}nav a:hover:after,nav a.active:after{width:100%}.menu-toggle{display:none;font-size:1.5rem;cursor:pointer;color:var(--secondary-color)}.hero{height:100vh;display:flex;align-items:center;background:linear-gradient(135deg,rgba(26,86,219,.9),rgba(23,43,77,.95));color:var(--light-text);text-align:center}.hero-content{max-width:800px;margin:0 auto;padding-top:60px}.hero-content h1{font-size:3.5rem;font-weight:700;margin-bottom:20px}.hero-content h2{font-size:2rem;font-weight:400;margin-bottom:15px}.hero-content p{font-size:1.2rem;margin-bottom:30px}.cta-buttons{display:flex;justify-content:center;gap:20px;margin-top:20px}.about{background-color:var(--light-bg)}.about-content{display:flex;align-items:center;gap:50px}.about-image{flex:1;max-width:350px}.profile-photo{width:280px;height:280px;border-radius:50%;object-fit:cover;border:4px solid var(--primary-color);box-shadow:var(--shadow);transition:var(--transition)}.profile-photo:hover{transform:scale(1.05);box-shadow:0 10px 25px #00000026}.about-image{flex:1;max-width:350px;display:flex;justify-content:center;align-items:center}.about-text{flex:2}.about-text p{margin-bottom:15px;font-size:1.1rem}.about-details{display:flex;flex-wrap:wrap;gap:15px;margin-top:20px}.detail{display:flex;align-items:center;gap:10px;padding:8px 15px;background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow)}.detail i{color:var(--primary-color)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:30px}.skill-category{background-color:#fff;padding:25px;border-radius:var(--border-radius);box-shadow:var(--shadow);transition:var(--transition)}.skill-category:hover{transform:translateY(-5px);box-shadow:0 10px 15px #0000001a}.skill-category h3{color:var(--primary-color);margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid var(--border-color);font-size:1.3rem}.skill-category ul li{position:relative;padding:8px 0 8px 20px}.skill-category ul li:before{content:"▹";position:absolute;left:0;color:var(--accent-color)}.certifications{background-color:var(--light-bg)}.cert-grid{display:flex;justify-content:center;gap:40px;flex-wrap:wrap}.cert{background-color:#fff;padding:30px;border-radius:var(--border-radius);text-align:center;box-shadow:var(--shadow);width:250px;transition:var(--transition)}.cert:hover{transform:translateY(-5px);box-shadow:0 10px 15px #0000001a}.cert-icon{font-size:3rem;color:var(--primary-color);margin-bottom:15px}.cert h3{font-size:1.2rem}.timeline{position:relative;max-width:1000px;margin:0 auto}.timeline:before{content:"";position:absolute;width:2px;background-color:var(--border-color);top:0;bottom:0;left:50%;margin-left:-1px}.timeline-item{padding:10px 40px;position:relative;width:50%;left:0;margin-bottom:20px}.timeline-item:nth-child(2n){left:50%}.timeline-dot{position:absolute;width:20px;height:20px;right:-10px;background-color:var(--accent-color);border-radius:50%;top:20px;z-index:1}.timeline-item:nth-child(2n) .timeline-dot{left:-10px}.timeline-date{position:absolute;right:-150px;top:20px;background-color:var(--primary-color);color:#fff;padding:5px 15px;border-radius:var(--border-radius);font-weight:500}.timeline-item:nth-child(2n) .timeline-date{left:-150px;right:auto}.timeline-content{padding:20px;background-color:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow)}.timeline-content h3{color:var(--primary-color);margin-bottom:5px;font-size:1.3rem}.timeline-content h4{color:var(--secondary-color);margin-bottom:15px;font-size:1rem;font-weight:400}.timeline-content ul li{margin-bottom:8px;position:relative;padding-left:20px}.timeline-content ul li:before{content:"▹";position:absolute;left:0;color:var(--accent-color)}.show-more{text-align:center;margin-top:30px}.education{background-color:var(--light-bg)}.edu-item{background-color:#fff;padding:30px;border-radius:var(--border-radius);box-shadow:var(--shadow);text-align:center;max-width:600px;margin:0 auto}.edu-item h3{color:var(--primary-color);margin-bottom:10px;font-size:1.5rem}.edu-item h4{color:var(--secondary-color);font-weight:400}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:50px}.contact-info{display:flex;flex-direction:column;gap:25px}.contact-item{display:flex;flex-direction:column;align-items:center;background-color:#fff;padding:25px;border-radius:var(--border-radius);box-shadow:var(--shadow);text-align:center;transition:var(--transition)}.contact-item:hover{transform:translateY(-5px);box-shadow:0 10px 15px #0000001a}.contact-item i{font-size:2rem;color:var(--primary-color);margin-bottom:15px}.contact-item h3{margin-bottom:5px;color:var(--secondary-color)}.contact-form{background-color:#fff;padding:30px;border-radius:var(--border-radius);box-shadow:var(--shadow)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:5px;font-weight:500}.form-group input,.form-group textarea{width:100%;padding:10px 15px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-family:inherit;transition:var(--transition)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #1a56db33}.form-status{padding:12px 15px;margin-bottom:20px;border-radius:var(--border-radius);font-weight:500;text-align:center}.form-status.success{background-color:#d1fae5;color:#065f46;border:1px solid #34d399}.form-status.error{background-color:#fef2f2;color:#991b1b;border:1px solid #f87171}.hidden{display:none}.btn-loading{display:inline-flex;align-items:center;gap:8px}.btn-loading:before{content:"";width:16px;height:16px;border:2px solid #ffffff;border-top:2px solid transparent;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}select{width:100%;padding:10px 15px;border:1px solid var(--border-color);border-radius:var(--border-radius);font-family:inherit;transition:var(--transition);background-color:#fff}select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 2px #1a56db33}footer{background-color:var(--secondary-color);color:var(--light-text);padding:50px 0 20px}.footer-content{display:flex;justify-content:space-between;flex-wrap:wrap;margin-bottom:30px}.footer-logo h3{font-size:1.5rem;margin-bottom:10px}.footer-links{display:flex;gap:20px}.footer-links a{color:var(--light-text)}.footer-links a:hover{color:var(--accent-color)}.footer-social{display:flex;gap:15px}.footer-social a{color:var(--light-text);font-size:1.3rem;transition:var(--transition)}.footer-social a:hover{color:var(--accent-color);transform:translateY(-3px)}.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.1)}@media (max-width: 992px){.about-content{flex-direction:column;text-align:center}.timeline:before{left:31px}.timeline-item{width:100%;left:0;padding-left:70px;padding-right:25px}.timeline-item:nth-child(2n){left:0}.timeline-dot{left:22px;right:auto}.timeline-item:nth-child(2n) .timeline-dot{left:22px}.timeline-date{position:relative;right:auto;left:auto;top:0;margin-bottom:10px;display:inline-block}.timeline-item:nth-child(2n) .timeline-date{left:auto}.contact-content{grid-template-columns:1fr}.about-details{justify-content:center}}@media (max-width: 768px){nav ul{display:none;position:absolute;top:100%;left:0;width:100%;background-color:#fff;flex-direction:column;text-align:center;box-shadow:0 5px 10px #0000001a}nav ul.show{display:flex}nav ul li{padding:15px;border-bottom:1px solid var(--border-color)}.menu-toggle{display:block}.footer-content{flex-direction:column;gap:20px;text-align:center}.footer-links,.footer-social{justify-content:center}.hero-content h1{font-size:2.5rem}.hero-content h2{font-size:1.5rem}.section-title{font-size:2rem}}