body {
    font-family: 'DM Sans', sans-serif;
}

.display {
    font-family: 'Syne', sans-serif;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.18;
    animation: drift 12s ease-in-out infinite alternate;
}

.blob-1 {
    width: 520px;
    height: 520px;
    background: #3b82f6;
    top: -120px;
    left: -100px;
    animation-delay: 0s;
}

.blob-2 {
    width: 380px;
    height: 380px;
    background: #1d4ed8;
    bottom: -80px;
    right: -60px;
    animation-delay: -4s;
}

.blob-3 {
    width: 260px;
    height: 260px;
    background: #60a5fa;
    top: 40%;
    left: 55%;
    animation-delay: -8s;
}

@keyframes drift {
    0% {
        transform: translate(0, 0) scale(1);
    }

    100% {
        transform: translate(30px, 20px) scale(1.07);
    }
}

.glass {
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass-input {
    background: rgba(59, 130, 246, 0.07);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: #e4e4e7;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.glass-input::placeholder {
    color: #71717a;
}

.glass-input:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.6);
    background: rgba(59, 130, 246, 0.12);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.btn-blue {
    background: rgba(59, 130, 246, 0.75);
    border: 1px solid rgba(147, 197, 253, 0.25);
    backdrop-filter: blur(8px);
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn-blue:hover {
    background: rgba(59, 130, 246, 0.92);
    box-shadow: 0 0 24px rgba(59, 130, 246, 0.35);
    transform: translateY(-1px);
}

.btn-blue:active {
    transform: translateY(0);
}

.fade-up {
    opacity: 0;
    transform: translateY(18px);
    animation: fadeUp 0.55s ease forwards;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.delay-1 {
    animation-delay: 0.08s;
}

.delay-2 {
    animation-delay: 0.18s;
}

.delay-3 {
    animation-delay: 0.28s;
}

.delay-4 {
    animation-delay: 0.38s;
}

.delay-5 {
    animation-delay: 0.48s;
}