body{background-color:#f8fafc;color:#1e293b;overflow-x:hidden}.glass-card{background:rgba(255,255,255,.7);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.3)}.device-mockup{box-shadow:0 25px 50px -12px rgba(0,0,0,.25);transition:transform .3s ease}.device-mockup:hover{transform:translateY(-5px)}details>summary{list-style:none}details>summary::-webkit-details-marker{display:none}details[open] summary~*{animation:sweep .5s ease-in-out}@keyframes sweep{0%{opacity:0;transform:translateY(-10px)}100%{opacity:1;transform:translateY(0)}}details>summary i{transition:transform .3s ease}details[open]>summary i{transform:rotate(180deg)}