/* Base Reset & Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f7fb;
    color: #2d3748;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    /* min-height: 100vh; */
    padding: 16px;
}

.content-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: #ffffff;
    max-width: 480px;
    min-width: min(calc(100% - 32px), 640px);

    padding: 16px;
    border-radius: 36px;
}

.promo-image {
    width: 100%;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    text-align: left;
    /* Ensures a strict 3:2 aspect ratio regardless of the source image dimensions */
    aspect-ratio: 3 / 2;
    object-fit: cover;
    margin-top: 2rem;
    border-radius: 24px;
    display: block;
}

/* Typography Styling */
.brand {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 700;
    font-size: 0.75rem;
    color: #718096;
    margin-bottom: 8px;
    margin-top: 0;
}

h1 {
    font-size: 1.75rem;
    line-height: 1.2;
    margin-bottom: 24px;
    color: #1a202c;
}

h1 span {
    color: #6366f1; /* Hyperpop Purple/Indigo */
}

p {
    font-size: 1rem;
    line-height: 1.6;
    color: #4a5568;
    margin-bottom: 16px;
}

/* Form Elements */
.signup-form {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

input[type="text"],
input[type="email"] {
    padding: 14px 16px;
    border: 2px solid #edf2f7;
    border-radius: 24px;
    font-size: 1rem;
    transition: border-color 0.2s;
    outline: none;
    margin: 0;
    box-sizing: border-box;
    height: 48px;
}

input:focus {
    border-color: #6366f1;
}

button {
    background-color: #6366f1;
    color: white;
    padding: 14px 16px;
    border: none;
    height: 48px;
    border-radius: 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    animation: pulsate-glow 3s infinite ease-in-out;
}

.signup-form button {
    /* Basic reset/display for the animation to work smoothly */
    display: block;
    width: 100%;
}

button:hover {
    background-color: #4f46e5;
}

@keyframes pulsate-glow {
    0% {
        transform: scale(1);
        box-shadow: 0 0 5px rgba(99, 102, 241, 0.2);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.6);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 5px rgba(99, 102, 241, 0.2);
    }
}

button:active {
    transform: scale(0.98);
}