*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0a0a0a;--bg2:#111111;--bg3:#1a1a1a;--bg4:#222222;--indigo:#4f46e5;--indigo2:#6366f1;--indigo3:#818cf8;--amber:#f59e0b;--amber2:#fbbf24;--amber3:#fcd34d;--text:#f5f5f5;--text2:#a3a3a3;--text3:#737373;--border:#2a2a2a;--radius:12px;--radius-sm:8px;--shadow:0 4px 24px rgba(0,0,0,0.4)}html{scroll-behavior:smooth;scroll-padding-top:80px}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}a{color:var(--indigo3);text-decoration:none;transition:color .2s}a:hover{color:var(--amber)}img{max-width:100%;height:auto}::selection{background:var(--indigo);color:#fff}.container{max-width:1200px;margin:0 auto;padding:0 24px}.section{padding:100px 0}.section-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;margin-bottom:16px;letter-spacing:-.03em}.section-subtitle{font-size:1.125rem;color:var(--text2);max-width:640px;margin-bottom:48px;line-height:1.7}.badge{display:inline-block;padding:6px 16px;border-radius:100px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px}.badge-indigo{background:rgba(79,70,229,0.15);color:var(--indigo3);border:1px solid rgba(79,70,229,0.3)}.badge-amber{background:rgba(245,158,11,0.15);color:var(--amber2);border:1px solid rgba(245,158,11,0.3)}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-sm);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all .25s;text-decoration:none}.btn-primary{background:var(--indigo);color:#fff}.btn-primary:hover{background:var(--indigo2);transform:translateY(-2px);box-shadow:0 8px 30px 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a.active::after{width:100%;background:var(--indigo)}.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}.hamburger span{width:24px;height:2px;background:var(--text);transition:all .3s;border-radius:2px}.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(5px,-5px)}@media(max-width:768px){.nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--bg2);flex-direction:column;padding:24px;gap:16px;border-bottom:1px solid 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var(--border)}.stack-section{background:var(--bg2)}.stack-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px}@media(max-width:992px){.stack-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:576px){.stack-grid{grid-template-columns:repeat(2,1fr)}}.stack-item{text-align:center;padding:24px 16px;background:var(--bg3);border-radius:var(--radius-sm);border:1px solid var(--border);transition:all .3s}.stack-item:hover{border-color:var(--indigo);transform:translateY(-2px)}.stack-item-icon{font-size:2.5rem;margin-bottom:12px;line-height:1}.stack-item span{display:block;font-size:.875rem;color:var(--text2);font-weight:500}.portfolio-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}@media(max-width:992px){.portfolio-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:576px){.portfolio-grid{grid-template-columns:1fr}}.portfolio-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all 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