*,:before,:after{box-sizing:border-box}h2{font-family:Consolas,Courier New,monospace;font-size:2rem;font-style:normal;font-weight:700}a{color:var(--accent-color);font-weight:700;text-decoration:none;transition:color .2s}a:hover{color:var(--accent-hover)}:root{--bg-color:#fff;--bg-color-alpha:#ffffffd9;--text-color:#2d3748;--accent-color:#3b82f6;--accent-hover:#1d4ed8;--secondary-text:#4a5568;--border-color:#e2e8f0;--card-bg:#f7fafc}body.dark-mode{--bg-color:#0b0f19;--bg-color-alpha:#0b0f19d9;--text-color:#f7fafc;--accent-color:#3b82f6;--accent-hover:#60a5fa;--secondary-text:#a0aec0;--border-color:#1e293b;--card-bg:#131b2e}html{scroll-behavior:smooth}body{background-color:var(--bg-color);color:var(--text-color);margin:0;padding:0;font-family:Segoe UI,-apple-system,BlinkMacSystemFont,Roboto,sans-serif;font-size:1rem;transition:background-color .3s,color 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.3s}.theme-toggle:hover{background-color:var(--border-color)}.nav-buttons{gap:2rem;display:flex}.button_nav{cursor:pointer;color:var(--text-color,#333);opacity:.7;background:0 0;border:none;outline:none;margin:0;padding:0;font-family:Segoe UI,sans-serif;font-size:1.25rem;font-weight:700;text-decoration:none;transition:opacity .3s,color .3s}.button_nav:hover{opacity:1;color:var(--accent-color)}.menu-toggle{cursor:pointer;z-index:10;background:0 0;border:none;flex-direction:column;justify-content:space-between;width:24px;height:18px;padding:0;display:none}.bar{background-color:var(--text-color,#333);border-radius:2px;width:100%;height:2px;transition:transform .3s,opacity .3s}.bar.open:first-child{transform:translateY(8px)rotate(45deg)}.bar.open:nth-child(2){opacity:0;transform:scaleX(0)}.bar.open:nth-child(3){transform:translateY(-8px)rotate(-45deg)}@keyframes slideDownMenu{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.logo-text{font-size:1.5rem}.menu-toggle{display:flex}.nav-buttons{background-color:var(--bg-color-alpha);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);flex-direction:column;gap:1.5rem;padding:2rem;display:none;position:absolute;top:100%;left:0;right:0;box-shadow:0 10px 25px -5px #00000014}.nav-buttons.open{align-items:flex-end;animation:.3s cubic-bezier(.16,1,.3,1) forwards slideDownMenu;display:flex}body.dark-mode .nav-buttons{box-shadow:0 10px 25px -5px #0006}.button_nav{text-align:right;width:auto;font-size:1.4rem}}.app-container{color:var(--text-color);background-color:var(--bg-color);flex-direction:column;min-height:100vh;font-family:Segoe UI,sans-serif;display:flex}#body{box-sizing:border-box;flex:1;width:100%;max-width:1400px;margin:0 auto;padding:2.5rem 5% 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.social-link{color:var(--accent-color);align-items:center;gap:.2rem;font-size:1rem;font-weight:600;display:inline-flex}.project-details-expanded .social-link:hover{color:var(--accent-hover);text-decoration:underline}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.lang-toggle{border:2px solid var(--accent-color);color:var(--accent-color);cursor:pointer;background:0 0;border-radius:6px;padding:.3rem .6rem;font-size:.9rem;font-weight:700;transition:all .3s}.lang-toggle:hover{background-color:var(--accent-color);color:#fff}@media (width<=600px){.footer-content{text-align:center;flex-direction:column;gap:1.5rem}.footer-socials{justify-content:center}}.about-section{margin-top:3rem}.certs-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:1.5rem;display:grid}.cert-card{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;gap:1rem;padding:1.5rem;transition:transform .3s,border-color .3s,box-shadow .3s;display:flex;box-shadow:0 4px 6px -1px #0000000d}.cert-card:hover{border-color:var(--accent-color);transform:translateY(-4px);box-shadow:0 10px 15px -3px #00000014}body.dark-mode .cert-card{box-shadow:0 4px 6px -1px #0003}body.dark-mode .cert-card:hover{box-shadow:0 10px 15px -3px #0000004d}.cert-icon{font-size:2.2rem;line-height:1}.cert-info{flex-direction:column;gap:.5rem;display:flex}.cert-info h3{color:var(--text-color);margin:0;font-size:1.15rem;font-weight:700;line-height:1.3}.cert-info p{color:var(--secondary-text);margin:0;font-size:.9rem;line-height:1.4}.cert-verify-link{color:var(--accent-color);align-self:flex-start;margin-top:.25rem;font-size:.85rem;font-weight:600;transition:color .2s}.cert-verify-link:hover{color:var(--accent-hover);text-decoration:underline}