:root {
    --dark-color: #2a1b3d;
    --light-color: #d0a3f0;
    --container-width: 600px;
}

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

body {
    background-color: var(--dark-color);
    color: var(--light-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

#ember-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.content {
    z-index: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    width: 100%;
    padding-bottom: 8vh;
}

.logo {
    width: 180px;
    height: auto;
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(3.5rem, 12vw, 7rem);
    font-weight: 200;
    letter-spacing: -0.04em;
    line-height: 1;
    color: var(--light-color);
    text-shadow: 0 0 30px rgba(208, 163, 240, 0.15);
    max-width: var(--container-width);
    margin: 0 auto;
}

.tagline-container {
    max-width: var(--container-width);
    margin: 0 auto;
    line-height: 1.2;
}

.tagline-line {
    display: block;
    color: var(--light-color);
}

.tagline-line:first-child {
    font-size: clamp(1.25rem, 2vw, 1.50rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 0.25em;
}

.tagline-line:last-child {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 300;
    font-style: italic;
    opacity: 0.8;
}

.input-band-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.input-band {
    width: 100%;
    background: transparent;
    border-top: 1px solid var(--light-color);
    border-bottom: 1px solid var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.email-form {
    display: flex;
    flex-direction: row;
    gap: 0;
    width: 100%;
    max-width: var(--container-width);
}

input[type="email"] {
    background: transparent;
    border: none;
    color: var(--light-color);
    padding: 16px 12px 16px 0;
    font-size: 1rem;
    outline: none;
    width: 100%;
    text-align: center;
}

#submit-btn {
    background: var(--light-color);
    color: var(--dark-color);
    border: none;
    padding: 12px 32px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.3s ease, transform 0.1s ease;
    white-space: nowrap;
    border-radius: 0;
    z-index: 3;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

#submit-btn:hover {
    opacity: 0.9;
}

#submit-btn:active {
    transform: scale(0.98);
}

#submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (max-width: 767px) {
    input[type="email"] {
        text-align: center;
        padding: 16px 12px;
    }
    input[type="email"]::placeholder {
        text-align: center;
    }
}