/* CUBE CSS (https://cube.fyi): global → composition → utility → block → exception */

/* ---------- Global ---------- */

/* `.tutus` and `.tutus.dark` set their own color-scheme; Corpus's themes don't. */

.light {
  color-scheme: light;
}

.dark {
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

body {
  min-block-size: 100dvh;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: var(--leading-normal);
  color: var(--color-text-normal);
  background: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2 {
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
  overflow-wrap: anywhere;
}

h1 {
  font-size: var(--step-3);
  font-weight: var(--weight-semibold);
}

h2 {
  font-size: var(--step-1);
  font-weight: var(--weight-semibold);
}

a {
  color: var(--color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--transition-fast);
}

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

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

ol,
ul {
  padding-inline-start: 1.25em;
}

/* Compositions set display, which would otherwise win over the attribute. */
[hidden] {
  display: none !important;
}

/* Logos come in two copies, one per theme. */
.light [data-theme="dark"],
.dark [data-theme="light"] {
  display: none;
}

:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

/* ---------- Composition ---------- */

.cover {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
  min-block-size: 100dvh;
  padding-block-end: var(--space-l);
}

.cover > main {
  margin-block: auto;
}

.center {
  inline-size: 100%;
  max-inline-size: var(--measure, var(--measure-prose));
  margin-inline: auto;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-m);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
}

.with-sidebar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.with-sidebar > :first-child {
  flex-basis: var(--sidebar-width, auto);
  flex-grow: 1;
}

.with-sidebar > :last-child {
  flex-basis: 0;
  flex-grow: 999;
  min-inline-size: var(--sidebar-content-min, 50%);
}

/* ---------- Utility ---------- */

.gutter {
  padding-inline: var(--space-m-l);
}

.padding-block-l {
  padding-block: var(--space-l);
}

.measure-narrow {
  --measure: 30rem;
}

.measure-wide {
  --measure: var(--measure-wide);
}

.flex-nowrap {
  flex-wrap: nowrap;
}

.align-baseline {
  align-items: baseline;
}

.justify-between {
  justify-content: space-between;
}

.gap-2xs {
  gap: var(--space-2xs);
}

.gap-xs {
  gap: var(--space-xs);
}

.gap-s {
  gap: var(--space-s);
}

.gap-l {
  gap: var(--space-l);
}

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

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

.text-color-alert {
  color: var(--color-risk-critical);
}

/* The dark --color-risk-critical is 4.26:1 on the dark page; the palette has no red step. */
.dark .text-color-alert {
  color: color-mix(in oklab, var(--color-risk-critical), var(--color-gray-50) 15%);
}

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

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

.text-step--1 {
  font-size: var(--step--1);
}

.text-step-2 {
  font-size: var(--step-2);
}

.text-semibold {
  font-weight: var(--weight-semibold);
}

.text-bold {
  font-weight: var(--weight-bold);
}

.text-mono-label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* ---------- Block ---------- */

/* The landing's /tutus header (TutusHeader.astro), without its links. 4rem is the height
   it renders at: its site-header.css overrides the 3.5rem --header-height of tokens.css. */
.site-header {
  display: grid;
  align-items: center;
  block-size: 4rem;
  background: var(--color-background);
  border-block-end: var(--border-thin) solid var(--color-border-muted);
}

.site-header .button {
  padding-inline: var(--space-xs);
}

.mark {
  display: flex;
  flex: none;
  gap: var(--space-2xs);
  align-items: center;
  min-block-size: 2.75rem;
  color: var(--color-text-normal);
}

/* The landing's PNG of the mark leaves this margin around it. */
.mark svg {
  inline-size: 1.5rem;
  block-size: 1.5rem;
  padding: 0.3125rem;
}

/* The landing's logotype, as tall as the mark's glyph. */
.wordmark {
  display: block;
  block-size: 1.1rem;
  inline-size: auto;
}

.mark span,
.brand[data-layout="lockup"] span {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
}

.divider {
  flex: none;
  inline-size: var(--border-thin);
  block-size: 1.5rem;
  background: var(--color-border-accent);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: var(--space-2xs);
  line-height: 1.1;
  color: var(--color-text-normal);
}

.brand strong {
  font-size: var(--step-1);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
}

.brand svg {
  align-self: center;
  inline-size: 1.5rem;
  block-size: 1.5rem;
}

.logo {
  display: block;
  block-size: 2rem;
  inline-size: auto;
}

.theme-switch {
  display: inline-grid;
  flex: none;
  place-items: center;
  inline-size: 2.75rem;
  block-size: 2.75rem;
  padding: 0;
  color: var(--color-text-muted);
  background: transparent;
  border: var(--border-thin) solid var(--color-border-accent);
  border-radius: var(--radius-md);
  transition:
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.theme-switch:hover,
.theme-switch:focus-visible {
  color: var(--color-text-normal);
  border-color: var(--color-primary-border-accent);
}

.theme-switch svg {
  display: none;
  inline-size: 1.125rem;
  block-size: 1.125rem;
}

.dark .theme-switch [data-icon="sun"],
.light .theme-switch [data-icon="moon"] {
  display: block;
}

.card {
  padding: var(--space-l);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-border-muted);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.button {
  display: inline-flex;
  gap: var(--space-2xs);
  align-items: center;
  justify-content: center;
  inline-size: 100%;
  min-block-size: 3.25rem;
  padding: var(--space-2xs) var(--space-l);
  font-size: var(--step-0);
  font-weight: var(--weight-medium);
  color: var(--color-primary-on-vivid);
  text-decoration: none;
  background: linear-gradient(
    90deg,
    var(--color-primary-fill-vivid),
    color-mix(in oklab, var(--color-primary-fill-vivid) 78%, var(--color-primary-border-accent))
  );
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-full);
  box-shadow: 0 6px 18px color-mix(in oklab, var(--color-primary-fill-vivid) 22%, transparent);
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast);
}

.button:hover {
  color: var(--color-primary-on-vivid);
  background: var(--color-primary-border-accent);
}

.button svg {
  inline-size: 1.5em;
  block-size: 1.5em;
}

.input {
  inline-size: 100%;
  min-block-size: 3.25rem;
  padding: var(--space-2xs) var(--space-s);
  font-size: var(--step-1);
  color: var(--color-text-normal);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-text-faint);
  border-radius: var(--radius-sm);
}

.checkbox {
  inline-size: 1.25em;
  block-size: 1.25em;
  margin-block-start: 0.125em;
  accent-color: var(--color-primary-fill-vivid);
}

.checklist {
  padding: 0;
  list-style: none;
}

.checklist li {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: var(--space-2xs);
  align-items: baseline;
}

.checklist li::before {
  content: "✓" / "";
  font-weight: var(--weight-bold);
  color: var(--color-accent-text);
}

.totals {
  padding-block: var(--space-xs);
  border-block: var(--border-thin) solid var(--color-border-muted);
}

.notice {
  padding: var(--space-xs) var(--space-s);
  font-size: var(--step--1);
  color: var(--color-primary-on-muted);
  background: var(--color-primary-fill-muted);
  border-radius: var(--radius-md);
}

/* ---------- Exception ---------- */

.button[data-variant="ghost"] {
  color: var(--color-text-normal);
  background: var(--color-surface);
  border-color: var(--color-border-accent);
  box-shadow: none;
}

.button[data-variant="ghost"]:hover {
  background: var(--color-neutral-fill-accent);
  border-color: var(--color-text-muted);
}

.button[data-size="md"] {
  inline-size: auto;
  min-block-size: 2.75rem;
  font-size: var(--step--1);
  white-space: nowrap;
}

.brand[data-layout="lockup"] {
  align-items: center;
  min-block-size: 2.75rem;
}

@media (min-width: 30em) {
  .brand[data-layout="lockup"] {
    align-items: baseline;
  }

  .mark span,
  .brand[data-layout="lockup"] span {
    position: static;
    inline-size: auto;
    block-size: auto;
    overflow: visible;
    clip-path: none;
  }
}

@media (min-width: 60em) {
  .site-header .button {
    padding-inline: var(--space-m);
  }
}

.input[aria-invalid="true"] {
  border-color: var(--color-risk-critical);
}

@media (prefers-reduced-motion: reduce) {
  a,
  .button,
  .theme-switch {
    transition: none;
  }
}