/*
|--------------------------------------------------------------------------
| Tetology — Module 0
|--------------------------------------------------------------------------
|
| File:
|   base.css
|
| Purpose:
|   Shared typography, layout, accessibility and base page behavior.
|
|--------------------------------------------------------------------------
*/

html {
    color-scheme: light;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background:
        var(--gradient-page),
        var(--color-page-bg);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body,
button,
input,
textarea,
select {
    color: inherit;
    font-family: var(--font-family-primary);
}

.app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
}

.site-main {
    flex: 1 0 auto;
}

.container {
    width: min(
        calc(100% - (var(--container-padding) * 2)),
        var(--container-width)
    );
    margin-inline: auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-text);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    letter-spacing: var(--letter-spacing-tight);
    text-wrap: balance;
}

h1 {
    font-size: clamp(
        var(--font-size-3xl),
        7vw,
        var(--font-size-6xl)
    );
}

h2 {
    font-size: clamp(
        var(--font-size-2xl),
        5vw,
        var(--font-size-4xl)
    );
}

h3 {
    font-size: clamp(
        var(--font-size-xl),
        3vw,
        var(--font-size-2xl)
    );
}

p {
    max-width: 65ch;
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    text-wrap: pretty;
}

strong,
b {
    font-weight: var(--font-weight-bold);
}

small {
    font-size: var(--font-size-sm);
}

a {
    color: inherit;
    text-decoration: none;
    border-radius: var(--radius-xs);
}

a:hover {
    text-decoration-thickness: 0.1em;
    text-underline-offset: 0.18em;
}

:focus {
    outline: none;
}

:focus-visible {
    outline:
        var(--border-width-medium)
        solid
        var(--color-focus);
    outline-offset: 0.2rem;
}

.site-main:focus {
    outline: none;
}

.skip-link {
    position: fixed;
    inset-block-start: var(--space-3);
    inset-inline-start: var(--space-3);
    z-index: var(--z-index-skip-link);
    padding: var(--space-3) var(--space-4);
    border:
        var(--border-width-medium)
        solid
        var(--color-primary);
    border-radius: var(--radius-md);
    color: var(--color-text-inverse);
    background: var(--color-primary);
    box-shadow: var(--shadow-md);
    font-weight: var(--font-weight-semibold);
    transform: translateY(-200%);
    transition: transform var(--transition-fast);
}

.skip-link:focus {
    transform: translateY(0);
}

section {
    position: relative;
}

.noscript-warning {
    position: fixed;
    inset-inline: var(--space-4);
    inset-block-end: var(--space-4);
    z-index: var(--z-index-toast);
    max-width: 40rem;
    margin-inline: auto;
    padding: var(--space-4) var(--space-5);
    border:
        var(--border-width-thin)
        solid
        rgba(180, 83, 9, 0.32);
    border-radius: var(--radius-lg);
    color: #7c2d12;
    background: #fff7ed;
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
    text-align: center;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.text-center {
    text-align: center;
}

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

.no-wrap {
    white-space: nowrap;
}

/*
|--------------------------------------------------------------------------
| Reduced motion
|--------------------------------------------------------------------------
*/

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

/*
|--------------------------------------------------------------------------
| High contrast support
|--------------------------------------------------------------------------
*/

@media (forced-colors: active) {
    :focus-visible {
        outline: 2px solid CanvasText;
    }

    .skip-link {
        border-color: CanvasText;
    }
}


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

/*
|--------------------------------------------------------------------------
| Print
|--------------------------------------------------------------------------
*/

@media print {
    body {
        color: #000000;
        background: #ffffff;
    }

    .skip-link,
    .noscript-warning,
    .site-header__actions {
        display: none !important;
    }

    a {
        color: #000000;
        text-decoration: underline;
    }
}