/* Explain: Base reset, typography, and utility styles. */
* {
    box-sizing: border-box;
}

html {
    background: var(--background-color);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    overflow-x: hidden;
    background: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

h1, h2, h3, h4 {
    margin: 0;
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.12;
}

p {
    margin: 0;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
}

::selection {
    background: var(--primary-color);
    color: #0a0a0d;
}

:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
}

.muted {
    color: var(--text-muted);
}

.small {
    font-size: 0.85rem;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
}