/* Reset ligero + tipografía base + fondo global con resplandores
   ambientales (gradientes radiales). */

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 17px;
    line-height: 1.5;
    min-height: 100vh;
}

body {
    background:
        radial-gradient(circle at 18% 5%,  rgba(157, 77, 255, 0.18), transparent 45%),
        radial-gradient(circle at 85% 95%, rgba(77, 219, 255, 0.16), transparent 50%),
        var(--bg);
    background-attachment: fixed;
}

h1 {
    font-size: 1.85rem;
    font-weight: 700;
    margin: 0 0 24px;
    color: var(--text-strong);
    letter-spacing: -0.01em;
}

h2 {
    font-size: 1.4rem;
    font-weight: 600;
    line-height: 1.35;
    margin: 16px 0 24px;
    color: var(--text-strong);
}

h3 {
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 24px 0 10px;
}

a { color: var(--accent); }
a:hover { color: var(--accent-hover); }

/* Scrollbar oscura coherente con el tema en navegadores que lo soportan */
* {
    scrollbar-color: var(--border-strong) transparent;
}

@media (max-width: 480px) {
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.2rem; }
}