/* Explain: Base styles, typography, and page background effects. - */
* {
    box-sizing: border-box;
}

html {
    background: var(--background-color);
    color: var(--text-color);
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 12% 5%, rgb(var(--accent-rgb) / 0.16), transparent 26rem),
        radial-gradient(circle at 90% 0%, rgb(var(--primary-rgb) / 0.12), transparent 30rem),
        linear-gradient(180deg, var(--background-color) 0%, #eef4fb 54%, #f8fbff 100%);
    color: var(--text-color);
    font-family: var(--font-body);
    letter-spacing: -0.005em;
}

body.has-mobile-sticky {
    padding-bottom: 0;
}

h1,
h2,
h3,
.brand-mark {
    font-family: var(--font-heading);
    letter-spacing: -0.045em;
}

img {
    max-width: 100%;
    display: block;
}

a,
button,
summary {
    -webkit-tap-highlight-color: transparent;
}

summary {
    cursor: pointer;
}

:focus-visible {
    outline: 3px solid rgb(var(--accent-rgb) / 0.75);
    outline-offset: 4px;
}

::selection {
    background: rgb(var(--accent-rgb) / 0.24);
    color: var(--secondary-color);
}

@media (max-width: 767px) {
    body.has-mobile-sticky {
        padding-bottom: 96px;
    }
}