:root {
    --background-start: #eaf5ff;
    --background-end: #b9d8f2;
    --card-background: rgba(245, 250, 255, 0.88);
    --text: #10263f;
    --muted: #52687d;
    --accent: #1f77c8;
    --accent-dark: #174a7a;
    --shadow: rgba(19, 55, 92, 0.2);
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    font-family: Georgia, "Times New Roman", serif;
    background:
        radial-gradient(circle at 18% 20%, rgba(31, 119, 200, 0.24), transparent 28rem),
        radial-gradient(circle at 84% 72%, rgba(92, 170, 226, 0.28), transparent 24rem),
        linear-gradient(135deg, var(--background-start), var(--background-end));
}

.hero {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 2rem;
}

.welcome-card {
    width: min(100%, 42rem);
    padding: clamp(2rem, 7vw, 5rem);
    border: 1px solid rgba(31, 119, 200, 0.2);
    border-radius: 2rem;
    background: var(--card-background);
    box-shadow: 0 2rem 5rem var(--shadow);
    text-align: center;
}

.eyebrow {
    margin: 0 0 1rem;
    color: var(--accent-dark);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    color: var(--accent);
    font-size: clamp(3.5rem, 13vw, 8rem);
    line-height: 0.9;
}

.intro {
    max-width: 32rem;
    margin: 1.5rem auto 0;
    color: var(--muted);
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    line-height: 1.6;
}