:root{--font-main: "Inter", system-ui, -apple-system, sans-serif;--bg-primary: #f8fafc;--bg-secondary: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--accent-primary: #2563eb;--accent-secondary: #3b82f6;--accent-soft: rgba(37, 99, 235, .05);--border-color: #e2e8f0;--card-shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .3)}@media (prefers-color-scheme: dark){:root:not(.light-theme){--bg-primary: #020617;--bg-secondary: #0f172a;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #3b82f6;--accent-soft: rgba(59, 130, 246, .1);--border-color: #1e293b;--card-shadow: 0 4px 6px -1px rgb(0 0 0 / .5);--glass-bg: rgba(15, 23, 42, .7);--glass-border: rgba(30, 41, 59, .3)}}.dark-theme{--bg-primary: #020617;--bg-secondary: #0f172a;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #3b82f6;--accent-soft: rgba(59, 130, 246, .1);--border-color: #1e293b;--card-shadow: 0 4px 6px -1px rgb(0 0 0 / .5);--glass-bg: rgba(15, 23, 42, .7);--glass-border: rgba(30, 41, 59, .3)}.light-theme{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--accent-primary: #2563eb;--accent-secondary: #3b82f6;--accent-soft: rgba(37, 99, 235, .05);--border-color: #e2e8f0;--card-shadow: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .3)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;transition:background-color .3s ease,color .3s ease}.container{max-width:1000px;margin:0 auto;padding:0 2rem}.glass-card{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:1rem;box-shadow:var(--card-shadow)}h1,h2,h3{font-weight:700;letter-spacing:-.025em}.section-title{font-size:2rem;margin-bottom:2rem;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;bottom:-4px;left:0;width:40px;height:4px;background-color:var(--accent-primary);border-radius:2px}a{color:inherit;text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-primary)}.btn-primary{background-color:var(--accent-primary);color:#fff;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;border:none;cursor:pointer;transition:transform .2s ease,background-color .2s ease}.btn-primary:hover{background-color:var(--accent-secondary);transform:translateY(-2px)}.btn-icon{background:var(--accent-soft);color:var(--accent-primary);border:1px solid var(--border-color);width:40px;height:40px;border-radius:.5rem;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.btn-icon:hover{background:var(--accent-primary);color:#fff;transform:scale(1.1)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}@media (max-width: 768px){.container{padding:0 1.5rem}.section-title{font-size:1.75rem}.hide-on-mobile{display:none!important}.stack-on-mobile{flex-direction:column!important;align-items:flex-start!important;gap:1.5rem!important}.grid-responsive{grid-template-columns:1fr!important;gap:1.5rem!important}.mobile-text-center{text-align:center!important}.hero-title{font-size:2.25rem!important;line-height:1.2!important}.hero-subtitle{font-size:1.1rem!important}.glass-card{padding:1.5rem!important}footer .container{flex-direction:column;gap:1.5rem;text-align:center}}.nav-links{display:flex;gap:2rem}@media (max-width: 768px){.nav-links{gap:1rem;font-size:.9rem}}.project-card-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}@media (max-width: 768px){.project-card-grid{grid-template-columns:1fr;gap:1.5rem}.project-image-container{order:-1;height:200px!important}}.cert-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}@media (max-width: 480px){.cert-grid{grid-template-columns:1fr}}.project-detail-header{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:2rem}@media (max-width: 768px){.project-detail-header{flex-direction:column;gap:1.5rem}}.project-detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2.5rem;margin-top:4rem}@media (max-width: 768px){.project-detail-grid{grid-template-columns:1fr;gap:1.5rem;margin-top:2.5rem}}