:root{--primary-black:#000;--primary-white:#fff;--accent-red:#e63946;--accent-coral:#ff6b6b;--gray-light:#f1f1f1;--gray-medium:#888;--gray-dark:#333;--transition-smooth:all .4s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{background-color:var(--primary-white);color:var(--primary-black);font-family:Helvetica Neue,Arial,sans-serif;line-height:1.6;overflow-x:hidden}.smooth-scroll{scroll-behavior:smooth;-webkit-overflow-scrolling:touch}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.8s ease-out forwards fadeInUp}.header{background:var(--primary-white);border-bottom:2px solid var(--primary-black);z-index:1000;transition:var(--transition-smooth);justify-content:space-between;align-items:center;padding:1rem 5%;display:flex;position:fixed;top:0;left:0;right:0}.header.scrolled{box-shadow:0 2px 20px 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#0000001a}.nav.active{right:0}.nav-link{font-size:1.2rem}.btn-primary{justify-content:center;width:100%}.hero{min-height:auto;margin-top:70px;padding:2rem 5%}.hero-content h1{font-size:clamp(2rem,6vw,4rem)}.services{padding:4rem 5%}.services-grid{grid-template-columns:1fr}.about{padding:4rem 5%}.skills-grid{grid-template-columns:1fr}.projects{padding:4rem 5%}.projects-grid{grid-template-columns:1fr}.project-card{min-height:250px}.project-detail{padding:3rem 5%}.project-gallery{grid-template-columns:1fr}.project-gallery img{height:250px}.contact{padding:4rem 5%}.section-title{font-size:clamp(2rem,5vw,3rem)}}@media (width<=576px){.header{padding:.75rem 4%}.logo{font-size:1.2rem}.hero{padding:1.5rem 4%}.hero-content h1{margin-bottom:1.5rem;font-size:clamp(1.8rem,5vw,3rem)}.hero-description{font-size:1rem}.services,.about,.projects,.contact{padding:3rem 4%}.service-card{padding:1.5rem}.service-card h3{font-size:1.3rem}.skills-section h3{font-size:1.5rem}.project-detail{padding:2rem 4%}.project-detail-title{font-size:clamp(2.5rem,7vw,4rem)}.project-detail-description{font-size:1rem}.form-group input,.form-group textarea{padding:.75rem;font-size:.95rem}.contact-info{padding:1.5rem}.footer{text-align:center;flex-direction:column;padding:1.5rem 4%}.footer-links{justify-content:center}}@media (width<=480px){html{font-size:14px}.header{padding:.6rem 3%}.logo{font-size:1rem}.hero{padding:1rem 3%}.hero-content h1{letter-spacing:-1px;font-size:clamp(1.5rem,4vw,2.5rem)}.services,.about,.projects,.contact{padding:2rem 3%}.section-title{margin-bottom:2rem;font-size:clamp(1.8rem,4vw,2.5rem)}.service-card{padding:1.25rem}.project-card{min-height:200px}.project-card h3{font-size:clamp(1.5rem,3vw,2.5rem)}.project-gallery img{height:200px}.btn-primary{padding:.6rem 1.2rem;font-size:.85rem}}@media (width<=360px){html{font-size:13px}.hero-content h1{font-size:1.5rem}.section-title{font-size:1.8rem}.project-card{min-height:180px}}@media (height<=500px) and (orientation:landscape){.hero{min-height:auto;padding:2rem 5%}.nav{max-width:250px}}@media (-webkit-device-pixel-ratio>=2),(resolution>=192dpi){.hero-image img,.about-image img{image-rendering:-webkit-optimize-contrast}}@media (prefers-reduced-motion:reduce){*{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}html{scroll-behavior:auto}}@media print{.header,.menu-toggle,.btn-primary,.footer{display:none}.hero,.about,.projects,.contact{break-inside:avoid;padding:1rem}}