.btn{align-items:center;border:none;border-radius:var(--radius-full);cursor:pointer;display:inline-flex;font-size:1rem;font-weight:var(--font-medium);justify-content:center;line-height:1;overflow:hidden;padding:1rem 2rem;position:relative;text-decoration:none;transition:all var(--transition-base);white-space:nowrap}.btn:focus{outline:2px solid var(--color-primary);outline-offset:2px}.btn:disabled{cursor:not-allowed;opacity:.5}.btn-sm{font-size:.875rem;padding:.75rem 1.5rem}.btn-lg,.btn-xl{font-size:1.125rem;padding:1.5rem 3rem}.btn-primary{background:var(--gradient-primary);box-shadow:var(--shadow-xl);color:var(--color-white)}.btn-primary:hover{background:linear-gradient(to right,var(--campus-dark),var(--campus-primary));box-shadow:var(--shadow-2xl);transform:scale(1.05)}.btn-primary:active{transform:scale(.98)}.btn-secondary{background:transparent;border:2px solid var(--color-tertiary);color:var(--color-tertiary)}.btn-secondary:hover{background:var(--color-tertiary);border-color:var(--color-tertiary);color:var(--color-white)}.btn-secondary:active{transform:scale(.98)}.btn-icon{align-items:center;display:inline-flex;gap:.5rem}.btn-icon svg{height:1.25rem;width:1.25rem}.button-group{display:flex;flex-direction:column;gap:1.5rem;justify-content:center}@media (min-width:640px){.button-group{flex-direction:row}}.btn-cta{background:var(--gradient-primary);border-radius:var(--radius-full);box-shadow:var(--shadow-xl);color:var(--color-white);font-size:1.125rem;font-weight:var(--font-medium);overflow:hidden;padding:1.5rem 3rem;position:relative;transition:all var(--transition-base)}.btn-cta:before{background:linear-gradient(90deg,transparent,hsla(0,0%,100%,.3),transparent);content:"";height:100%;left:-100%;position:absolute;top:0;transition:left .5s;width:100%}.btn-cta:hover{background:linear-gradient(to right,var(--campus-dark),var(--campus-primary));box-shadow:var(--shadow-2xl);transform:translateY(-2px)}.btn-cta:hover:before{left:100%}.btn-badge{backdrop-filter:blur(10px);background:var(--gradient-primary);border-radius:var(--radius-full);box-shadow:var(--shadow-lg);color:var(--color-white);font-size:.875rem;font-weight:var(--font-medium);letter-spacing:.025em;padding:1rem 2rem}