* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins', sans-serif;
}

html, body {
    position: relative;
    width: 100%;
    height: calc(var(--vh, 1vh) * 100);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    touch-action: manipulation;
    background: linear-gradient(-45deg, rgba(253, 233, 16,0.6), rgba(255,255,255,0.3), rgba(253, 233, 16,0.6));
    background-size: 400% 400%;
    animation: gradientBG 20s ease infinite;
}

header {
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.logo {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 600;
    color: #4d4d4d;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.italic-L {
    font-style: italic;
}

form {
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.4);
    border-radius: 10px;
    padding: 2rem;
    width: min(95vw, 400px);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

main {
    position: relative;
    z-index: 1;
}
form label {
    font-weight: 600;
}

form input,
form textarea {
    padding: 0.5rem;
    border: none;
    border-radius: 5px;
    outline: none;
    resize: vertical;
    font-size: 16px;
}

form button {
    padding: 0.7rem;
    border: none;
    border-radius: 5px;
    background-color: #f7d533;
    color: #333;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

form button:hover {
    background-color: #ffd633;
}

#response {
    margin-top: 1rem;
    font-weight: 600;
    color: #008000;
    text-align: center;
}

.hidden {
    display: none;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.blob {
    position: absolute;
    border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%;
    background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.5) 40%, rgba(253,233,16,0.3) 60%, rgba(255,255,255,0) 100%);
    mix-blend-mode: screen;
    filter: blur(60px);
    opacity: 0.6;
    z-index: 2;
    pointer-events: none;
    animation: morph 40s ease-in-out infinite;
}

.blob1 {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    animation: move1 60s ease-in-out infinite, morph 50s ease-in-out infinite;
}

.blob2 {
    width: 400px;
    height: 400px;
    bottom: -200px;
    right: -200px;
    animation: move2 70s ease-in-out infinite, morph 55s ease-in-out infinite;
}

.blob3 {
    width: 250px;
    height: 250px;
    top: 40%;
    left: 50%;
    animation: move3 65s ease-in-out infinite, morph 60s ease-in-out infinite;
}

@keyframes move1 {
    0% { transform: translate(-20vw, -20vh) scale(1); }
    50% { transform: translate(80vw, 70vh) scale(1.2); }
    100% { transform: translate(-20vw, -20vh) scale(1); }
}

@keyframes move2 {
    0% { transform: translate(10vw, 80vh) scale(1); }
    50% { transform: translate(-70vw, -60vh) scale(1.1); }
    100% { transform: translate(10vw, 80vh) scale(1); }
}

@keyframes move3 {
    0% { transform: translate(50vw, -30vh) scale(1); }
    50% { transform: translate(-40vw, 60vh) scale(1.15); }
    100% { transform: translate(50vw, -30vh) scale(1); }
}

@keyframes morph {
    0%,100% {
        border-radius: 40% 60% 60% 40% / 40% 40% 60% 60%;
    }
    33% {
        border-radius: 50% 40% 60% 50% / 60% 50% 40% 50%;
    }
    66% {
        border-radius: 60% 50% 40% 60% / 50% 60% 50% 40%;
    }
}

/* Water droplets */

.droplet {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.8) 0%, rgba(253,233,16,0.6) 60%, rgba(253,233,16,0.2) 100%);
    mix-blend-mode: screen;
    opacity: 0.7;
    pointer-events: none;
    backdrop-filter: blur(2px);
    z-index: 3;
    width: var(--size, 240px);
    height: var(--size, 240px);
}

.droplet1 { --size: 210px; }
.droplet2 { --size: 270px; }
.droplet3 { --size: 240px; }
.droplet4 { --size: 225px; }
.droplet5 { --size: 195px; }
.droplet6 { --size: 235px; }
.droplet7 { --size: 250px; }


header.magnify .logo {
    transform: scale(1.1);
    filter: drop-shadow(0 0 6px rgba(255,255,255,0.6));
    transition: transform 0.2s;
}

@media (max-width: 600px) {
    .logo {
        font-size: 2.5rem;
    }
    form {
        padding: 1rem;
    }
    .droplet {
        width: calc(var(--size) / 3);
        height: calc(var(--size) / 3);
    }
    .droplet3,
    .droplet4,
    .droplet5,
    .droplet6,
    .droplet7 {
        display: none;
    }
}