/* Relação Cliente — crmbr.info */
:root {
  --primary: #1F2933;
  --accent: #14B8A6;
  --bg: #F7FAFA;
  --text: #161B22;
  --muted: #718096;
  --border: #E2E8F0;
  --header-bg: rgba(247, 250, 250, 0.96);
  --container: 720px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 2.75rem;
  --space-xl: 4rem;
  --radius: 2px;
  --font-body: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --font-mono: "SF Mono", "Cascadia Mono", "Segoe UI Mono", ui-monospace, monospace;
  --header-height: 4.25rem;
  --header-height-shrink: 3.25rem;
  --transition: 0.22s ease;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.72;
  color: var(--text);
  background: var(--bg);
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: var(--space-xs) var(--space-sm);
  background: var(--primary);
  color: var(--bg);
}

.skip-link:focus {
  left: var(--space-sm);
  top: var(--space-sm);
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
  transition: padding var(--transition), box-shadow var(--transition);
}

.site-header.is-shrunk {
  box-shadow: 0 1px 0 var(--border);
}

.site-header.is-shrunk .header-inner {
  min-height: var(--header-height-shrink);
}

.site-header.is-shrunk .logo-text {
  font-size: 1.05rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  min-height: var(--header-height);
  transition: min-height var(--transition);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text);
}

.logo:hover,
.logo:focus-visible {
  color: var(--text);
}

.logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: font-size var(--transition);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary);
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}

/* Main layout */
main {
  padding-block: var(--space-lg);
}

.page-header {
  margin-bottom: var(--space-lg);
}

.page-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.page-title {
  font-size: clamp(1.65rem, 4vw, 2.15rem);
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
  color: var(--primary);
}

.page-lead {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
  max-width: 58ch;
}

/* Hero text-only */
.hero-lead {
  padding-block: var(--space-md);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-lg);
}

.hero-lead .page-title {
  margin-bottom: var(--space-md);
}

.hero-body p {
  margin: 0 0 var(--space-sm);
}

.hero-body p:last-child {
  margin-bottom: 0;
}

/* Numbered article list */
.feed-section {
  margin-bottom: var(--space-xl);
}

.section-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border);
}

.numbered-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: feed;
}

.feed-item {
  counter-increment: feed;
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-sm) var(--space-md);
  padding-block: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.feed-item::before {
  content: counter(feed, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent);
  padding-top: 0.15rem;
}

.feed-thumb {
  grid-column: 2;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #EEF2F4;
}

.feed-content {
  grid-column: 2;
}

.feed-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.feed-title {
  font-size: 1.2rem;
  line-height: 1.35;
  margin: 0 0 0.5rem;
  font-weight: 600;
}

.feed-title a {
  text-decoration: none;
  color: var(--primary);
}

.feed-title a:hover,
.feed-title a:focus-visible {
  color: var(--accent);
}

.feed-excerpt {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* Flat cards */
.editorial-note {
  padding: var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: var(--space-lg);
}

.editorial-note h2 {
  font-size: 1rem;
  margin: 0 0 var(--space-sm);
  font-weight: 600;
}

.editorial-note p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* Prose */
.prose h2 {
  font-size: 1.25rem;
  margin: var(--space-lg) 0 var(--space-sm);
  font-weight: 600;
  color: var(--primary);
}

.prose h3 {
  font-size: 1.05rem;
  margin: var(--space-md) 0 var(--space-xs);
  font-weight: 600;
}

.prose p {
  margin: 0 0 var(--space-sm);
}

.prose ul,
.prose ol {
  margin: 0 0 var(--space-sm);
  padding-left: 1.35rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose a {
  color: var(--accent);
}

/* Article layout */
.article-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.article-title {
  font-size: clamp(1.55rem, 4vw, 2rem);
  line-height: 1.28;
  margin: 0 0 var(--space-sm);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.article-meta span + span::before {
  content: " · ";
}

.article-updated {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.65rem;
  color: var(--muted);
}

.article-layout {
  display: grid;
  gap: var(--space-lg);
}

.article-toc {
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  align-self: start;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}

.site-header.is-shrunk ~ main .article-toc {
  top: calc(var(--header-height-shrink) + 1rem);
}

.article-toc h2 {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--space-sm);
}

.article-toc ol {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  line-height: 1.55;
}

.article-toc a {
  text-decoration: none;
  color: var(--primary);
}

.article-toc a:hover,
.article-toc a:focus-visible {
  color: var(--accent);
}

.article-body h2 {
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

.related-block {
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.related-block h2 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 var(--space-sm);
}

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

.related-list li {
  padding-block: 0.45rem;
  border-bottom: 1px solid var(--border);
}

.related-list a {
  text-decoration: none;
  font-size: 0.95rem;
}

/* Contact */
.contact-block {
  margin-top: var(--space-md);
}

.contact-block p {
  margin: 0 0 var(--space-sm);
}

.contact-email {
  font-family: var(--font-mono);
  font-size: 0.95rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-brand {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
}

.footer-nav a {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
  color: var(--accent);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--muted);
  margin: 0;
}

.cookie-note {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--muted);
  padding: var(--space-sm) 0 0;
  border-top: 1px solid var(--border);
  margin-top: var(--space-xs);
}

.cookie-note[hidden] {
  display: none;
}

.cookie-dismiss {
  background: none;
  border: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  margin-left: 0.5rem;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Articles index */
.articles-index .feed-item {
  grid-template-columns: 1fr;
}

.articles-index .feed-item::before {
  display: none;
}

.articles-index .feed-thumb {
  grid-column: 1;
}

.articles-index .feed-content {
  grid-column: 1;
}

/* Media queries */
@media (min-width: 640px) {
  .article-layout {
    grid-template-columns: 11rem 1fr;
    gap: var(--space-md) var(--space-lg);
  }

  .article-toc {
    padding: var(--space-sm);
  }
}

@media (max-width: 639px) {
  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border);
    padding: var(--space-sm) 1rem var(--space-md);
    display: none;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 0.75rem;
  }

  .feed-item {
    grid-template-columns: 2rem 1fr;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-toc {
    position: static;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms;
  }
}