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

:root {
    --color-bg: #fafafa;
    --color-text: #1a1a1a;
    --color-text-muted: #666;
    --color-accent: #2B71EF;
    --color-accent-hover: #175CD8;
    --color-border: #e5e5e5;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-stack);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.5rem;
}

.container {
    width: 100%;
    max-width: 700px;
    text-align: center;
}

.brand {
    margin-bottom: 2.5rem;
}

.brand-logo {
    height: 36px;
    width: auto;
}

h1 {
    font-size: clamp(1.5rem, 5vw, 2.25rem);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.body-text {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-accent);
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    padding: 0.875rem 2rem;
    border-radius: 6px;
    transition: background-color 0.15s ease;
}

.cta-button:hover {
    background-color: var(--color-accent-hover);
}

.cta-button:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.secondary-links {
    margin-top: 2rem;
    margin-bottom: 3rem;
}

.secondary-links a {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.15s ease;
}

.secondary-links a:hover {
    text-decoration: underline;
}

.secondary-links a:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.divider {
    margin: 0 0.75rem;
    color: var(--color-border);
}

.footer {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}

@media (max-width: 480px) {
    body {
        padding: 1.5rem 1rem;
    }

    .brand {
        margin-bottom: 2rem;
    }

    .body-text {
        font-size: 1rem;
    }

    .cta-button {
        width: 100%;
        padding: 1rem 1.5rem;
    }
}