:root{--primary:#667eea;--primary-dark:#5a67d8;--secondary:#764ba2;--accent:#f093fb;--bg:#0f0f23;--bg-card:#1a1a2e;--bg-card-hover:#222240;--text:#e8e8f0;--text-muted:#9a9ab0;--text-heading:#ffffff;--border:#2a2a45;--success:#48bb78;--warning:#ecc94b;--danger:#fc8181;--radius:12px;--radius-lg:20px;--shadow:0 4px 24px rgba(0,0,0,0.3);--gradient:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4,h5,h6{color:var(--text-heading);line-height:1.3}.container{max-width:1200px;margin:0 auto;padding:0 24px}section{padding:100px 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:var(--radius);font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all .2s}.btn,.btn:hover{text-decoration:none}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--gradient);color:white;box-shadow:0 4px 16px rgba(102,126,234,.4)}.btn-primary:hover{box-shadow:0 6px 24px rgba(102,126,234,.6)}.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}.btn-outline:hover{background:var(--primary);color:white}.btn-sm{padding:8px 20px;font-size:.875rem}.btn-lg{padding:18px 40px;font-size:1.125rem}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;transition:all .3s}.card:hover{border-color:var(--primary);background:var(--bg-card-hover);transform:translateY(-4px);box-shadow:var(--shadow)}.section-header{text-align:center;margin-bottom:64px}.section-badge{display:inline-block;background:rgba(102,126,234,.15);color:var(--primary);padding:6px 16px;border-radius:20px;font-size:.875rem;font-weight:600;margin-bottom:16px}.section-header h2{font-size:2.5rem;margin-bottom:16px}.section-header p{color:var(--text-muted);font-size:1.125rem;max-width:600px;margin:0 auto}.grid-2{grid-template-columns:repeat(2,1fr);grid-gap:24px}.grid-2,.grid-3{display:grid;gap:24px}.grid-3{grid-template-columns:repeat(3,1fr);grid-gap:24px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:24px;gap:24px}@media (max-width:1024px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}section{padding:80px 0}.section-header h2{font-size:2rem}}@media (max-width:768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}section{padding:60px 0}.section-header h2{font-size:1.75rem}.container{padding:0 16px}.btn-lg{padding:14px 28px;font-size:1rem}}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--text)}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:1rem;font-family:inherit;transition:border-color .2s}.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary)}.form-textarea{min-height:120px;resize:vertical}.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(15,15,35,.85);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 24px}.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:64px}.nav-logo{font-size:1.5rem;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nav-links{display:flex;gap:24px;list-style:none}.nav-links a{color:var(--text-muted);font-size:.9rem;font-weight:500;transition:color .2s}.nav-links a:hover{color:var(--text-heading);text-decoration:none}.nav-mobile-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer}@media (max-width:768px){.nav-links{display:none}.nav-links.open{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);padding:16px 24px;gap:16px}.nav-mobile-toggle{display:block}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:fadeInUp .6s ease-out forwards}.tag{display:inline-block;background:rgba(102,126,234,.15);color:var(--primary);padding:4px 10px;border-radius:6px;font-size:.75rem;font-weight:600}.like-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:transparent;border:1px solid var(--border);border-radius:20px;color:var(--text-muted);cursor:pointer;font-size:.875rem;transition:all .2s}.like-btn.liked,.like-btn:hover{border-color:var(--danger);color:var(--danger);background:rgba(252,129,129,.1)}