/*
  Styling for the marketing pages (landing + guides). Separate from the tool's
  app.css. Uses the shared theme tokens (tokens.css) and the embedded Spectral
  (fonts.css), so the site and the tool feel like one thing.
*/

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-serif);
  font-size: 1.075rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

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

h1,
h2,
h3 {
  line-height: 1.2;
  font-weight: 600;
}

/* ---- buttons ------------------------------------------------------------ */

.btn {
  display: inline-block;
  padding: 0.7em 1.3em;
  font-family: var(--font-serif);
  font-weight: 600;
  color: #fff;
  background: var(--color-accent-strong);
  border: 1px solid var(--color-accent-strong);
  border-radius: var(--radius);
  text-decoration: none;
}

.btn:hover {
  color: #fff;
  background: var(--color-ink);
  border-color: var(--color-ink);
}

.btn--lg {
  font-size: 1.15rem;
  padding: 0.8em 1.6em;
}

.btn--sm {
  padding: 0.45em 0.9em;
  font-size: 0.95rem;
}

/* ---- header + footer -------------------------------------------------- */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-5);
}

.site-header__brand {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-ink);
  text-decoration: none;
  letter-spacing: 0.005em;
}

.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav a:not(.btn) {
  color: var(--color-ink-soft);
  text-decoration: none;
}

.site-header__nav a:not(.btn):hover {
  color: var(--color-ink);
}

.site-footer {
  max-width: 900px;
  margin: var(--space-7) auto 0;
  padding: var(--space-6) var(--space-5) var(--space-7);
  border-top: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.site-footer__blurb {
  max-width: 60ch;
  margin-bottom: var(--space-4);
}

.site-footer__legal {
  margin: 0;
}

/* ---- main column --------------------------------------------------- */

.site-main {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-5);
}

/* ---- landing page ------------------------------------------------- */

.hero {
  padding: var(--space-6) 0 var(--space-7);
}

.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 var(--space-4);
}

.hero__lead {
  font-size: 1.2rem;
  max-width: 54ch;
  margin: 0 0 var(--space-5);
}

.steps,
.guides-index {
  padding: var(--space-6) 0;
  border-top: 1px solid var(--color-line);
}

.steps h2,
.guides-index h2 {
  font-size: 1.6rem;
  margin: 0 0 var(--space-4);
}

.steps__list {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
}

.steps__list li {
  counter-increment: step;
  padding-left: 2.6em;
  position: relative;
  margin-bottom: var(--space-5);
}

.steps__list li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 1.7em;
  height: 1.7em;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  color: var(--color-accent-strong);
  background: var(--color-accent-tint);
  border: 1px solid var(--color-accent);
  border-radius: 50%;
}

.steps__list h3 {
  font-size: 1.15rem;
  margin: 0 0 0.25em;
}

.steps__list p {
  margin: 0;
}

.guides-index__intro {
  margin-top: 0;
  color: var(--color-ink-soft);
}

.guides-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.guides-index__list li {
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-line);
}

.guides-index__list li:first-child {
  border-top: 0;
}

.guides-index__list a {
  font-weight: 600;
  font-size: 1.1rem;
}

.guides-index__list span {
  display: block;
  color: var(--color-ink-soft);
  font-size: 0.98rem;
}

/* ---- article pages --------------------------------------------- */

.article-title {
  font-size: 2.3rem;
  margin: var(--space-5) 0 var(--space-5);
}

.article-body h2 {
  font-size: 1.5rem;
  margin: var(--space-6) 0 var(--space-3);
}

.article-body p {
  margin: 0 0 var(--space-4);
}

.article-body ul {
  margin: 0 0 var(--space-4);
  padding-left: 1.3em;
}

.article-body li {
  margin-bottom: 0.4em;
}

.article-body strong {
  font-weight: 600;
}

.article-body hr {
  margin: var(--space-6) 0;
  border: 0;
  border-top: 1px solid var(--color-line);
}

/* CTA + related, appended to every article by build.py */

.article-cta {
  margin: var(--space-6) 0;
  padding: var(--space-5);
  background: var(--color-accent-tint);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
}

.article-cta p {
  margin: 0 0 var(--space-3);
}

.article-related {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-line);
}

.article-related h2 {
  font-size: 1.2rem;
  margin: 0 0 var(--space-3);
}

.article-related ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.article-related li {
  padding: 0.35em 0;
}

/* ---- small screens ------------------------------------------- */

@media (max-width: 640px) {
  .hero h1 {
    font-size: 2.1rem;
  }
  .hero__lead {
    font-size: 1.1rem;
  }
  .article-title {
    font-size: 1.9rem;
  }
}