:root{--color-primary:#6366f1;--color-primary-dark:#4f46e5;--color-primary-light:#818cf8;--color-secondary:#ec4899;--color-secondary-dark:#db2777;--color-accent:#14b8a6;--color-accent-dark:#0d9488;--color-bg:#ffffff;--color-bg-secondary:#f9fafb;--color-bg-tertiary:#f3f4f6;--color-text:#111827;--color-text-secondary:#6b7280;--color-text-muted:#9ca3af;--color-border:#e5e7eb;--bg-color:var(--color-bg);--text-color:var(--color-text);--title-bar-bg:var(--color-bg);--title-bar-text:var(--color-text);--card-bg-color:var(--color-bg);--border-color:var(--color-border);--shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1);--shadow-xl:0 20px 25px -5px rgb(0 0 0 / 0.1);--shadow-hover-highlight:0 25px 50px -12px rgb(0 0 0 / 0.25);--focus-ring-color:rgba(99, 102, 241, 0.1);--color-warning:#fbbf24;--color-success:#10b981;--color-success-dark:#059669;--color-error:#ef4444;--color-error-dark:#dc2626;--color-accent-dark:#0d9488}[data-theme=dark]{--color-bg:#0f172a;--color-bg-secondary:#1e293b;--color-bg-tertiary:#334155;--color-text:#f1f5f9;--color-text-secondary:#cbd5e1;--color-text-muted:#94a3b8;--color-border:#334155;--bg-color:var(--color-bg);--text-color:var(--color-text);--title-bar-bg:var(--color-bg);--title-bar-text:var(--color-text);--card-bg-color:var(--color-bg-secondary);--border-color:var(--color-border)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;overflow-x:hidden;transition:background-color .3s,color .3s;display:flex;flex-direction:column;min-height:100vh}.btn-primary,.cool-btn{display:inline-flex;align-items:center;gap:12px;padding:14px 28px;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;text-decoration:none;border:none;border-radius:10px;font-weight:600;font-size:1rem;cursor:pointer;transition:all .3s cubic-bezier(.4, 0, .2, 1);box-shadow:var(--shadow-lg)}.btn-primary:hover,.cool-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}.card,.modern-card{background:var(--card-bg-color);padding:32px;border-radius:16px;border:1px solid var(--color-border);transition:all .3s cubic-bezier(.4, 0, .2, 1);box-shadow:var(--shadow-sm)}.card:hover,.modern-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.section-heading{font-family:"Space Grotesk",sans-serif;font-size:clamp(2rem, 4vw, 3rem);font-weight:800;line-height:1.2;margin-bottom:16px;color:var(--color-text)}.section-subheading{font-size:1.125rem;color:var(--color-text-secondary);line-height:1.7}input[type=email],input[type=password],input[type=text],select,textarea{width:100%;padding:12px 16px;border:2px solid var(--color-border);border-radius:10px;font-family:Inter,sans-serif;font-size:1rem;background:var(--color-bg);color:var(--color-text);transition:all .3s}input:focus,select:focus,textarea:focus{outline:0;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--focus-ring-color)}.modern-container{max-width:1200px;margin:0 auto;padding:60px 20px}.page-header{text-align:center;padding:80px 20px 60px;background:linear-gradient(135deg,var(--color-bg) 0,var(--color-bg-secondary) 100%)}.page-title{font-family:"Space Grotesk",sans-serif;font-size:clamp(2.5rem, 6vw, 4rem);font-weight:800;margin-bottom:16px;color:var(--color-text)}.page-description{font-size:1.25rem;color:var(--color-text-secondary);max-width:700px;margin:0 auto}h2{font-family:"Space Grotesk",sans-serif;font-size:2rem;font-weight:700;color:var(--color-text);margin:40px 50px 20px}.search-container{display:flex;justify-content:center;align-items:center;gap:12px;margin:40px 0}.search-bar{width:100%;max-width:400px;padding:14px 20px;border:2px solid var(--color-border);border-radius:12px;font-family:Inter,sans-serif;font-size:1rem;background:var(--card-bg-color);color:var(--color-text);transition:all .3s}.search-bar:focus{outline:0;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--focus-ring-color)}.search-btn{padding:14px 20px;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;border:none;border-radius:12px;cursor:pointer;transition:all .3s;box-shadow:var(--shadow-md)}.search-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.search-btn i{font-size:16px}.available-courses-section,.enrolled-courses-section{margin-bottom:60px}.available-courses-section hr{margin:60px auto;max-width:90%;border:none;border-top:2px solid var(--color-border)}.courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:32px;padding:20px 50px 40px;max-width:1400px;margin:0 auto}.course-card{position:relative;background-color:var(--card-bg-color);border:1px solid var(--color-border);border-radius:16px;box-shadow:var(--shadow-md);overflow:hidden;transition:all .3s cubic-bezier(.4, 0, .2, 1);display:flex;flex-direction:column}.course-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-xl);border-color:var(--color-primary)}.course-image{width:100%;height:200px;object-fit:cover}.course-content{padding:24px;text-align:left;flex:1;display:flex;flex-direction:column}.course-title{font-family:"Space Grotesk",sans-serif;font-size:1.5rem;font-weight:700;margin:0 0 12px 0;color:var(--color-text)}.course-description{font-size:.95rem;color:var(--color-text-secondary);margin-bottom:20px;line-height:1.6;flex:1}.learn-more-btn{display:inline-block;padding:12px 28px;border-radius:10px;text-decoration:none;font-size:1rem;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));transition:all .3s cubic-bezier(.4, 0, .2, 1);text-align:center;box-shadow:var(--shadow-sm)}.learn-more-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.course-language-bubble,.course-tags-bubble{position:absolute;top:12px;padding:6px 14px;border-radius:20px;font-size:.75rem;font-weight:600;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:var(--shadow-sm)}.course-language-bubble{right:12px;background:rgba(99,102,241,.9);color:#fff}.course-tags-bubble{left:12px;background:rgba(236,72,153,.9);color:#fff}@media (max-width:768px){.courses{grid-template-columns:1fr;padding:20px}h2{margin:30px 20px 15px;font-size:1.75rem}.search-container{flex-direction:column;padding:0 20px}.search-bar{max-width:100%}.search-btn{width:100%;max-width:400px}}@media (min-width:769px) and (max-width:1024px){.courses{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}}