/* The project's home page (spec §41, landing_page): one sheet, a light scheme and a dark one by the system's choice, every
   side said by where reading starts and ends so the page mirrors for a right-to-left language. */
:root {
  --page: #ffffff;
  --surface: #f4f2fb;
  --text: #1c1b22;
  --muted: #4a4858;
  --accent: #4b32c3;
  --accent-text: #ffffff;
  --line: #d9d5ea;
  --focus: #4b32c3;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #15141b;
    --surface: #211f2b;
    --text: #ecebf3;
    --muted: #b9b6c8;
    --accent: #b5a7ff;
    --accent-text: #15141b;
    --line: #3a3747;
    --focus: #b5a7ff;
  }
}

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

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background-color: var(--page);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

a:link,
a:visited {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip:link {
  position: absolute;
  inset-inline-start: 1rem;
  inset-block-start: -4rem;
  padding: 0.5rem 1rem;
  background-color: var(--page);
  color: var(--accent);
}

.skip:focus {
  inset-block-start: 1rem;
}

.top,
main,
.bottom {
  max-inline-size: 68rem;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.25rem;
}

.brand:link,
.brand:visited {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
}

.top ul,
.features,
.links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.top ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
}

.top nav a {
  display: inline-block;
  padding-block: 0.6rem;
}

.hero {
  padding-block: 3rem 2rem;
}

h1 {
  max-inline-size: 22ch;
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
}

h2 {
  margin: 3rem 0 1.25rem;
  font-size: 1.6rem;
}

h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}

.lede {
  max-inline-size: 60ch;
  font-size: 1.2rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block: 1.75rem 0.75rem;
}

.button:link,
.button:visited {
  display: inline-block;
  min-block-size: 44px;
  padding: 0.65rem 1.25rem;
  border: 2px solid var(--accent);
  border-radius: 8px;
  background-color: var(--page);
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.button.primary:link,
.button.primary:visited {
  background-color: var(--accent);
  color: var(--accent-text);
}

.version,
.note,
.made {
  color: var(--muted);
}

.shot {
  margin: 2.5rem 0 0;
}

.shot img {
  display: block;
  max-inline-size: 100%;
  block-size: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
}

.features li {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background-color: var(--surface);
  color: var(--text);
}

.features p {
  margin: 0;
}

.steps {
  max-inline-size: 60ch;
  padding-inline-start: 1.5rem;
}

.steps li {
  margin-block-end: 0.5rem;
}

.links li {
  margin-block-end: 0.6rem;
}

.links a {
  display: inline-block;
  padding-block: 0.3rem;
}

.bottom {
  margin-block-start: 4rem;
  padding-block: 2rem 3rem;
  border-block-start: 1px solid var(--line);
  font-size: 0.95rem;
}