*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #f9fafb;--bg-secondary: white;--bg-tertiary: #eae9e9;--text-primary: #111827;--text-secondary: #4b5563;--text-tertiary: #9ca3af;--accent: #4f46e5;--accent-hover: #4338ca;--border: #e5e7eb;--shadow: rgba(0, 0, 0, .1);--nav-bg: rgba(255, 255, 255, .8);--skill-bg: #f9fafb}.dark{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-tertiary: #94a3b8;--accent: #6366f1;--accent-hover: #4f46e5;--border: #475569;--shadow: rgba(0, 0, 0, .3);--nav-bg: rgba(30, 41, 59, .8);--skill-bg: #0f172a}body{font-family:system-ui,-apple-system,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary);transition:background-color .3s ease,color .3s ease}.modern-portfolio{min-height:100vh;position:relative;overflow-x:hidden}.section-container{max-width:64rem;margin:0 auto;padding:2rem}.section-container-wide{max-width:72rem;margin:0 auto}.nav{position:fixed;top:0;width:100%;background:var(--nav-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:50;padding:1rem 0;transition:background-color .3s ease,border-color .3s ease}.nav-container{max-width:72rem;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center}.nav-logo{font-weight:700;font-size:1.25rem;color:var(--text-primary);transition:color .3s ease}.nav-links{display:none;gap:2rem}.nav-links button{background:none;border:none;color:var(--text-secondary);font-weight:500;cursor:pointer;transition:color .3s ease}.nav-links button:hover{color:var(--accent)}.nav-right{display:flex;align-items:center;gap:1rem}.dark-mode-toggle{background:none;border:1px solid var(--border);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;transition:all .3s ease;background-color:var(--bg-secondary)}.dark-mode-toggle:hover{transform:scale(1.1);border-color:var(--accent)}@media (min-width: 768px){.nav-links{display:flex}}.profil{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:0 1.5rem;text-align:center;position:relative}.profil-content{max-width:64rem;margin:0 auto}.profil-title{font-size:3.75rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;transition:color .3s ease}.profil-subtitle{font-size:1.5rem;color:var(--text-secondary);margin-bottom:2rem;transition:color .3s ease}.profil-subtitle .highlight{color:var(--accent);font-weight:600}.profil-description{font-size:1.25rem;color:var(--text-secondary);margin-bottom:3rem;max-width:48rem;margin-left:auto;margin-right:auto;line-height:1.7;transition:color .3s ease}.btn-primary{background:var(--accent);color:#fff;padding:1rem 2rem;border-radius:.5rem;font-weight:500;border:none;cursor:pointer;transition:all 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1.5rem;padding:0 .25rem;text-align:center}}@media (max-width: 640px){.profil-buttons{display:flex;flex-direction:column;align-items:stretch;gap:.75rem;margin-bottom:2rem}.profil-buttons .btn,.profil-buttons .btn-primary,.profil-buttons .btn-secondary{display:inline-flex;align-items:center;justify-content:center;width:100%;gap:.5rem;padding:.875rem 1rem;text-align:center}}.bounce{animation:bounce 2s infinite}@keyframes bounce{0%,20%,53%,80%,to{transform:translateY(0)}40%,43%{transform:translateY(-10px)}70%{transform:translateY(-5px)}90%{transform:translateY(-2px)}}.section{padding:5rem 1.5rem;position:relative;transition:background-color .3s ease}.section-white{background:var(--bg-secondary)}.section-gray{background:var(--bg-primary)}.section-dark{background:var(--bg-tertiary);color:var(--text-primary)}.section-title{font-size:2.25rem;font-weight:700;text-align:center;margin-bottom:4rem;color:var(--text-primary);transition:color .3s ease}.section-dark .section-title{color:var(--text-primary)}.about-grid{display:grid;gap:3rem;align-items:center}.about-text{font-size:1.125rem;color:var(--text-secondary);line-height:1.7;margin-bottom:1.5rem;transition:color .3s ease}.about-stats{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:2rem}.stat-card{text-align:center;padding:1rem;background:var(--skill-bg);border-radius:.5rem;transition:all .3s ease}.stat-number{font-size:1.5rem;font-weight:700;color:var(--accent)}.stat-label{font-size:.875rem;color:var(--text-secondary);transition:color .3s ease}.quote-card{background:linear-gradient(135deg,var(--accent),#7c3aed);border-radius:1rem;padding:2rem;color:#fff}.quote-text{font-size:1.125rem;font-style:italic;margin-bottom:1rem}@media (min-width: 768px){.about-grid{grid-template-columns:1fr 1fr}}.skills-grid{display:grid;gap:2rem;grid-template-columns:1fr}.skill-card{background:var(--bg-secondary);border-radius:.75rem;padding:1.5rem;box-shadow:0 1px 3px var(--shadow);transition:all .3s ease}.skill-card:hover{box-shadow:0 4px 6px var(--shadow);transform:translateY(-2px)}.skill-header{display:flex;align-items:center;margin-bottom:1rem}.skill-icon{width:2rem;height:2rem;color:var(--accent);margin-right:.75rem;transition:color .3s ease}.skill-title{font-weight:600;color:var(--text-primary);transition:color .3s ease}.skill-items{display:flex;flex-direction:column;gap:.5rem}.skill-item{background:var(--skill-bg);padding:.5rem .75rem;border-radius:.5rem;font-size:.875rem;color:var(--text-secondary);transition:all .3s ease}@media (min-width: 768px){.skills-grid{grid-template-columns:1fr 1fr}}@media (min-width: 1024px){.skills-grid{grid-template-columns:repeat(4,1fr);justify-content:center}.skills-grid .skill-card:nth-child(5){grid-column:2}.skills-grid .skill-card:nth-child(6){grid-column:3}}.projects-grid{display:grid;gap:2rem;grid-template-columns:1fr}.project-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:.75rem;padding:1.5rem;transition:all .3s;overflow:hidden}.project-card:hover{box-shadow:0 10px 25px var(--shadow)}.project-card.expanded{box-shadow:0 20px 40px var(--shadow)}.project-header{display:flex;justify-content:space-between;align-items:center;cursor:pointer;margin-bottom:.75rem;padding:.5rem;border-radius:.5rem;transition:background-color .2s}.project-header:hover{background-color:var(--skill-bg)}.project-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);transition:color .3s ease;margin:0}.project-card:hover .project-title{color:var(--accent)}.project-short-description{color:var(--text-secondary);margin-bottom:1rem;line-height:1.7;font-style:italic;transition:color .3s ease}.project-expanded-content{max-height:0;overflow:hidden;opacity:0;margin-bottom:0;transition:max-height .4s ease-in-out,opacity .3s ease-in-out,margin-bottom .3s ease-in-out}.project-card.expanded .project-expanded-content{max-height:2000px;opacity:1;margin-bottom:1.5rem}.project-toggle{color:var(--text-secondary);transition:transform .2s ease-in-out,color .3s ease}.project-card.expanded .project-toggle{transform:rotate(360deg)}.project-info-grid{display:grid;gap:.75rem;margin-bottom:1.5rem;background:var(--skill-bg);padding:1rem;border-radius:.5rem;border-left:4px solid var(--accent);transition:all .3s ease}.project-info-item{font-size:.875rem;color:var(--text-secondary);transition:color .3s ease}.project-info-item strong{color:var(--text-primary);font-weight:600;transition:color .3s ease}.project-full-description{margin-bottom:1.5rem}.project-full-description h4{font-weight:600;color:var(--text-primary);margin-bottom:.75rem;font-size:1rem;transition:color .3s ease}.project-full-description p{color:var(--text-secondary);line-height:1.7;text-align:justify;transition:color .3s ease}.project-features{margin-bottom:1rem}.project-features h4{font-weight:600;font-size:.875rem;color:var(--text-primary);margin-bottom:.5rem;transition:color .3s ease}.project-features ul{list-style:none;font-size:.875rem;color:var(--text-secondary)}.project-features li{display:flex;align-items:flex-start;margin-bottom:.25rem}.project-features li span{color:var(--accent);margin-right:.5rem}.tech-stack{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}.tech-tag{background:var(--skill-bg);color:var(--accent);padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:500;transition:all .3s ease}.project-links{display:flex;gap:.75rem}.project-link{display:flex;align-items:center;gap:.5rem;color:var(--text-secondary);text-decoration:none;transition:color .3s ease}.project-link:hover{color:var(--accent)}@keyframes slideDown{0%{opacity:0;max-height:0;transform:translateY(-10px)}to{opacity:1;max-height:500px;transform:translateY(0)}}.contact-description{font-size:1.25rem;color:var(--text-secondary);margin-bottom:3rem;max-width:32rem;margin-left:auto;margin-right:auto;text-align:center;transition:color .3s ease}.contact-links{display:flex;flex-direction:column;gap:1.5rem;justify-content:center;align-items:center}.contact-link{display:flex;align-items:center;gap:.5rem;padding:1rem 2rem;border-radius:.5rem;font-weight:500;text-decoration:none;transition:all .3s ease}.contact-link.primary{background:var(--accent);color:#fff}.contact-link.primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #4f46e54d}.contact-link.secondary{border:1px solid var(--border);color:var(--text-primary);background:var(--bg-secondary)}.contact-link.secondary:hover{background:var(--skill-bg);transform:translateY(-2px);box-shadow:0 4px 12px var(--shadow)}@media (min-width: 640px){.contact-links{flex-direction:row}}