#carousel-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    z-index: 10;
    top: -280px;
}

#smoke-container {
    position: absolute;
    inset: 0;
    top: 0px;
    pointer-events: none;
    z-index: 15;
}

#cards-stage {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    transform-style: preserve-3d;
    z-index: 20;
    top: 220px;
    padding-top: 0;
}

.card {
    border: none;
    position: absolute;
    width: 455px;
    height: 560px;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    background-size: cover;
    background-position: center;
}

.nav-btn {
    position: absolute;
    top: 64%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.1);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 60;
    backdrop-filter: blur(10px);
    transition: transform 0.2s, background 0.2s;
}

.nav-btn:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-50%) scale(1.1);
}

.nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.nav-btn.left { left: 40px; }
.nav-btn.right { right: 40px; }