* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    background: #fff;
    overflow: hidden;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ---- logo ---- */
.logo-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    width: clamp(120px, 30vw, 240px);
    height: auto;
    animation: entrance 1.2s cubic-bezier(.22, 1, .36, 1) forwards,
               pulse 4s ease-in-out 1.6s infinite;
    opacity: 0;
    transform: scale(0.6);
    will-change: transform, opacity;
}

/* scale + fade in */
@keyframes entrance {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* gentle breathing pulse */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50%      { transform: scale(1.05); }
}

/* keep it crisp on very small screens */
@media (max-width: 360px) {
    .logo {
        width: 100px;
    }
}