/* Explain: Base reset, typography, and light theme defaults. - */
* {
    box-sizing: border-box;
}

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

body {
    min-height: 100vh;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 18% 8%, rgba(255, 107, 0, 0.08), transparent 30rem),
        radial-gradient(circle at 82% 18%, rgba(26, 41, 92, 0.08), transparent 34rem),
        linear-gradient(180deg, var(--background-color) 0%, var(--surface-color) 48%, var(--background-color) 100%);
}

body::before {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    content: "";
    background-image: linear-gradient(rgba(0, 0, 0, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 82%);
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
}

::selection {
    background: var(--electric-cyan);
    color: var(--carbon-black);
}

button,
a,
input,
select,
textarea {
    font: inherit;
}

.reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}