:root{--primary-color: #4a6cf7;--secondary-color: #2c3e50;--accent-color: #61dafb;--text-color: #333;--light-text: #f8f9fa;--background-color: #ffffff;--dark-background: #1a1a2e;--section-padding: 80px 0;--transition: all .3s ease;--box-shadow: 0 5px 15px rgba(0, 0, 0, .1);--border-radius: 8px}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:Inter,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.7;color:var(--text-color);background-color:var(--background-color);overflow-x:hidden}a{text-decoration:none;color:var(--primary-color);transition:var(--transition)}a:hover{color:var(--accent-color)}img{max-width:100%;height:auto}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}section{padding:var(--section-padding)}.section-title{font-size:2.5rem;margin-bottom:1.5rem;text-align:center;position:relative}.section-title:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:80px;height:4px;background-color:var(--primary-color);border-radius:2px}.btn{display:inline-block;padding:12px 30px;background-color:var(--primary-color);color:#fff;border-radius:var(--border-radius);font-weight:600;transition:var(--transition);border:none;cursor:pointer;text-align:center}.btn:hover{background-color:var(--accent-color);transform:translateY(-3px);box-shadow:var(--box-shadow)}@media (max-width: 768px){.section-title{font-size:2rem}.container{padding:0 15px}}.app{min-height:100vh;display:flex;flex-direction:column}main{flex:1}.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background-color:transparent;transition:var(--transition);padding:20px 0}.header.scrolled{background-color:var(--background-color);box-shadow:var(--box-shadow);padding:15px 0}.navbar{display:flex;justify-content:space-between;align-items:center}.logo a{font-size:1.8rem;font-weight:700;color:var(--primary-color)}.nav-links{display:flex;list-style:none}.nav-links li{margin-left:30px}.nav-links li a{font-weight:500;cursor:pointer;position:relative}.nav-links li a:after{content:"";position:absolute;bottom:-5px;left:0;width:0;height:2px;background-color:var(--primary-color);transition:var(--transition)}.nav-links li a:hover:after{width:100%}.menu-icon{display:none;font-size:1.5rem;cursor:pointer}.hero{height:100vh;display:flex;align-items:center;position:relative;background:linear-gradient(135deg,var(--background-color) 0%,#f5f5f5 100%)}.hero-content{text-align:center;max-width:800px;margin:0 auto}.hero-title{font-size:4rem;margin-bottom:20px;color:var(--secondary-color)}.hero-subtitle{font-size:1.5rem;margin-bottom:40px;color:var(--text-color);opacity:.8}.hero-buttons{display:flex;justify-content:center;gap:20px}.btn-outline{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover{background-color:var(--primary-color);color:#fff}.scroll-down{position:absolute;bottom:40px;left:50%;transform:translate(-50%);font-size:1.5rem;animation:bounce 2s infinite;cursor:pointer}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-20px)}60%{transform:translateY(-10px)}}.about{background-color:#f9f9f9}.about-content{display:flex;justify-content:center;gap:50px;margin-top:50px}.about-text{max-width:800px}.about-text p{margin-bottom:20px;line-height:1.8}.skills-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:30px;margin-top:50px}.skill-item{background-color:#fff;border-radius:var(--border-radius);padding:20px;text-align:center;box-shadow:var(--box-shadow);transition:var(--transition)}.skill-icon{font-size:3rem;margin-bottom:15px}.skill-item h3{font-size:1rem;font-weight:500}.projects{background-color:#f9f9f9}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:30px;margin-top:50px}.project-card{background-color:#fff;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:var(--transition);height:100%}.project-content{padding:25px}.project-title{font-size:1.5rem;margin-bottom:15px;color:var(--secondary-color)}.project-description{margin-bottom:20px;color:var(--text-color);line-height:1.6}.project-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}.project-tag{background-color:var(--primary-color);color:#fff;padding:5px 10px;border-radius:20px;font-size:.8rem}.project-links{display:flex;gap:15px}.project-link{display:flex;align-items:center;gap:5px;font-size:.9rem}.contact-container{display:grid;grid-template-columns:1fr 2fr;gap:50px;margin-top:50px}.contact-item{display:flex;align-items:flex-start;margin-bottom:30px}.contact-icon{font-size:1.5rem;color:var(--primary-color);margin-right:15px;margin-top:5px}.contact-item h3{font-size:1.2rem;margin-bottom:5px;color:var(--secondary-color)}.form-group{margin-bottom:20px}input,textarea{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:var(--border-radius);font-family:inherit;font-size:1rem;transition:var(--transition)}input:focus,textarea:focus{border-color:var(--primary-color);outline:none}textarea{min-height:150px;resize:vertical}.submit-message{margin-bottom:20px;padding:10px 15px;border-radius:var(--border-radius);font-weight:500}.submit-message.success{background-color:#2ecc7133;color:#27ae60;border:1px solid #27ae60}.submit-message.error{background-color:#e74c3c33;color:#e74c3c;border:1px solid #e74c3c}button:disabled{opacity:.7;cursor:not-allowed}.footer{background-color:var(--dark-background);color:var(--light-text);padding:60px 0 20px}.footer-content{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.footer-logo h3{font-size:1.8rem;margin-bottom:5px}.footer-social{display:flex;gap:20px}.footer-social a{color:var(--light-text);font-size:1.5rem;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: 768px){.menu-icon{display:block}.nav-links{position:fixed;top:70px;left:-100%;width:100%;height:calc(100vh - 70px);background-color:var(--background-color);flex-direction:column;align-items:center;justify-content:center;transition:var(--transition);box-shadow:var(--box-shadow)}.nav-links.active{left:0}.nav-links li{margin:20px 0}.hero-title{font-size:3rem}.hero-subtitle{font-size:1.2rem}.hero-buttons{flex-direction:column;align-items:center}.about-content{flex-direction:column}.contact-container{grid-template-columns:1fr}.footer-content{flex-direction:column;text-align:center;gap:20px}}