:root {
    /* Light mode colors */
    --bg-1: #ffffff;
    --bg-2: #eef2ff;
    --bg-3: #f8fafc;

    --text-primary: #0f172a;
    --text-secondary: #475569;
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Dark mode colors */
        --bg-1: #0b0d12;
        --bg-2: #111827;
        --bg-3: #0f172a;

        --text-primary: #f2f4f8;
        --text-secondary: #b8bcc8;
    }
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;

    background: linear-gradient(
        120deg,
        var(--bg-1),
        var(--bg-2),
        var(--bg-3),
        var(--bg-1)
    );
    background-size: 300% 300%;
    animation: gradientShift 10s ease infinite;

    color: var(--text-primary);

    display: flex;
    flex-direction: column;
    align-items: center;
}

.splash {
    width: 100%;
    max-width: 520px;

    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;

    padding: 80px 24px 120px;
    animation: fadeIn 0.8s ease-out forwards;
}

h1 {
    font-size: clamp(2.2rem, 4vw, 3rem);
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 0.02em;
}

p {
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    line-height: 1.6;
    color: var(--text-secondary);
    max-width: 420px;
    margin-bottom: 28px;
}

.notify-form {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.notify-form input {
    padding: 12px 14px;
    min-width: 240px;
    font-size: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.15);
}

@media (prefers-color-scheme: dark) {
    .notify-form input {
        background-color: #0f172a;
        color: #f2f4f8;
        border: 1px solid #334155;
    }
}

.notify-form button {
    padding: 12px 20px;
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    box-shadow: 0 8px 20px rgba(30, 64, 175, 0.25);
    border-radius: 8px;
    border: none;
    cursor: pointer;
    background: linear-gradient(
        180deg,
        dodgerblue,
        #93c5fd
    );
    color: #fff;
}

.notify-form button:hover {
    opacity: 0.9;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Small screens */
@media (max-width: 480px) {
    .logo {
        max-width: 300px;
        margin-bottom: 24px;
    }
}

@media (max-width: 768px) {
    .splash {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    body {
        animation: none;
    }
}