.btn{padding:calc(clamp(12px,2.5vw,16px)) calc(clamp(20px,4.5vw,32px));border-radius:8px;text-decoration:none;font-weight:700;display:inline-block;line-height:1.5;vertical-align:middle;transition:transform .2s,box-shadow .2s,background-color .2s,color .2s,border-color .2s;cursor:pointer}.btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,.15)}.btn--primary{background:var(--primary-color);color:#fff;border:2px solid transparent}.btn--secondary{background:transparent;color:var(--primary-color);border:2px solid var(--primary-color)}