body,html{scroll-behavior:smooth}@keyframes floating{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.floating-card{animation:floating 3s ease-in-out infinite;pointer-events:auto}.container{display:flex;justify-content:center;align-items:center;min-height:100%;min-width:100%;background:#000000;--gap:5em;--line:1px;--color:rgba(255,255,255,0.2);background-image:linear-gradient(-90deg,transparent calc(var(--gap) - var(--line)),var(--color) calc(var(--gap) - var(--line) + 1px),var(--color) var(--gap)),linear-gradient(0deg,transparent calc(var(--gap) - var(--line)),var(--color) calc(var(--gap) - var(--line) + 1px),var(--color) var(--gap));background-size:var(--gap) var(--gap)}.gradient-text{background:linear-gradient(90deg,#3fddb8,#10a47d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}.vertical-timeline-element-content{backdrop-filter:blur(12px);background:rgba(255,255,255,.1);border-radius:12px;border:1px solid rgba(255,255,255,.2);transition:transform .3s ease,background .3s ease}.vertical-timeline-element-content:hover{transform:scale(1.1);background:rgba(255,255,255,.15)}.custom-date{color:#3fddb8!important;font-size:24px!important;font-weight:700;text-shadow:0 1px 3px rgba(0,0,0,.5)}ul.list-disc li{color:white;font-size:16px;line-height:1.6;font-weight:500}.card{width:100%;height:200px;perspective:1000px;z-index:9999}.card-inner{width:100%;height:100%;position:relative;transform-style:preserve-3d;transition:transform .999s}.card:hover .card-inner{transform:rotateY(180deg)}.card-back,.card-front{position:absolute;width:100%;height:100%;backface-visibility:hidden}.card-front{align-items:center;border-radius:10px;justify-content:center;transform:rotateY(0deg)}.card-back,.card-front{color:#fff;display:flex;font-size:24px}.card-back{background-color:#000000;border:1px solid #14b8a6;border-radius:10px;transform:rotateY(180deg)}button{position:relative;z-index:1000}.card__content,.floating-card{pointer-events:auto!important}.gridcontainer{display:grid;margin-top:40px;grid-template-columns:repeat(3,1fr);gap:10rem;justify-content:center;align-items:center;padding:0 2rem}.book{position:relative;width:220px;height:250px;background-color:#14b8a6;box-shadow:4px 4px 8px #14b8a6;perspective:1200px;color:#fff}.book,.cover{border-radius:10px;display:flex;align-items:center;justify-content:center}.cover{position:absolute;top:0;left:0;width:100%;height:100%;background-color:lightgray;cursor:pointer;transition:transform .5s ease-in-out;transform-origin:left;box-shadow:1px 1px 12px #000}.book:hover .cover{transform:rotateY(-80deg)}.sponsortitle{font-size:25px;text-align:center;padding:30px;font-family:Hammersmith One,serif;font-weight:800;font-style:normal}.sponsor-image{padding:20px;width:100%;height:100%;object-fit:contain;border-radius:10px;mix-blend-mode:multiply;border:5px solid #14b8a6}@media (max-width:768px){.gridcontainer{grid-template-columns:repeat(2,1fr);gap:3rem}.book{width:180px;height:220px}}@media (max-width:480px){.gridcontainer{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1.5rem}.book{width:150px;height:200px}}