.flip-card {
    perspective: 1200px;
    height: 320px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.flip-card:hover {
    transform: translateY(-8px);
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.75s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.4);
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    box-shadow: inset 0 0 80px rgba(255,255,255,0.05);
}

.flip-card-front {
    background: linear-gradient(145deg, #0f172a, #1e2937);
    border: 6px solid #3b82f6;
}

.flip-card-back {
    background: linear-gradient(145deg, #052e16, #166534);
    border: 6px solid #10b981;
    transform: rotateY(180deg);
}

.flip-card-front::before,
.flip-card-back::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.15), transparent 70%);
    pointer-events: none;
    border-radius: 20px;
}
button{
transition: all 0.3s ease;
}
button:hover{
    transition: all 0.3s ease;
    scale: 1.1;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
button:active{
    transition: all 0.3s ease;
    scale: 0.8;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}