/* Índice Comercial — catalogobr.digital
   Archetype: longform-journal | Palette: ink-cream */

:root {
  --ic-ink: #1c1916;
  --ic-ink-soft: #3a3530;
  --ic-cream: #f6f1e8;
  --ic-cream-deep: #ebe4d8;
  --ic-cream-card: #faf7f1;
  --ic-accent: #6b5344;
  --ic-accent-hover: #4f3d32;
  --ic-muted: #7d756a;
  --ic-line: #cfc6b8;
  --ic-line-strong: #a89f92;
  --ic-pull-bg: #ede8de;
  --ic-white: #fffcf7;
  --ic-focus: #8b6f5c;

  --ic-font-serif: "Georgia", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --ic-font-sans: "Helvetica Neue", "Segoe UI", system-ui, -apple-system, sans-serif;

  --ic-space-xs: 12px;
  --ic-space-sm: 24px;
  --ic-space-md: 36px;
  --ic-space-lg: 48px;
  --ic-space-xl: 72px;

  --ic-radius: 6px;
  --ic-radius-sm: 4px;

  --ic-container: 1140px;
  --ic-header-height: 88px;
  --ic-header-shrink: 60px;

  --ic-transition: 0.28s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  margin: 0;
  font-family: var(--ic-font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--ic-ink);
  background: var(--ic-cream);
  -webkit-font-smoothing: antialiased;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--ic-font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--ic-ink);
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: var(--ic-space-lg); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1.25em; }

ul, ol {
  margin: 0 0 1.25em;
  padding-left: 1.4em;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--ic-space-sm);
  background: var(--ic-ink);
  color: var(--ic-cream);
  padding: 0.5em 1em;
  z-index: 9999;
  border-radius: var(--ic-radius-sm);
}

.skip-link:focus {
  top: var(--ic-space-xs);
}

.container {
  width: min(100% - var(--ic-space-sm), var(--ic-container));
  margin-inline: auto;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--ic-space-sm);
}

/* Header — centered-logo, sticky-shrink */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ic-cream);
  border-bottom: 1px solid var(--ic-line);
  transition: padding var(--ic-transition), box-shadow var(--ic-transition);
}

.site-header.is-shrunk {
  box-shadow: 0 2px 12px rgba(28, 25, 22, 0.06);
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--ic-space-sm) 0 var(--ic-space-xs);
  transition: padding var(--ic-transition);
}

.site-header.is-shrunk .header-inner {
  padding: var(--ic-space-xs) 0;
}

.site-logo {
  font-family: var(--ic-font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--ic-ink);
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: font-size var(--ic-transition);
}

.site-header.is-shrunk .site-logo {
  font-size: 1.35rem;
}

.site-logo:hover {
  color: var(--ic-accent);
  text-decoration: none;
}

.site-tagline {
  font-size: 0.8125rem;
  color: var(--ic-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: 0.25em;
  transition: opacity var(--ic-transition), max-height var(--ic-transition);
  max-height: 2em;
  overflow: hidden;
}

.site-header.is-shrunk .site-tagline {
  opacity: 0;
  max-height: 0;
  margin: 0;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--ic-space-sm);
  margin-top: var(--ic-space-xs);
  padding: 0;
  list-style: none;
}

.main-nav a {
  font-size: 0.9375rem;
  color: var(--ic-ink-soft);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ic-transition), color var(--ic-transition);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--ic-ink);
  border-bottom-color: var(--ic-line-strong);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--ic-line);
  border-radius: var(--ic-radius-sm);
  padding: 0.5em 0.75em;
  font-family: var(--ic-font-sans);
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--ic-ink);
}

/* Hero — split-image-text */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--ic-space-md);
  align-items: center;
  padding: var(--ic-space-lg) 0;
}

.hero-split__text {
  grid-column: span 1;
}

.hero-split__image {
  aspect-ratio: 3 / 2;
  border-radius: var(--ic-radius);
  overflow: hidden;
  background: var(--ic-cream-deep);
}

.hero-split__image img,
.hero-split__image svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-kicker {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ic-muted);
  margin-bottom: var(--ic-space-xs);
}

.hero-title {
  margin: 0 0 var(--ic-space-xs);
}

.hero-deck {
  font-size: 1.125rem;
  color: var(--ic-ink-soft);
  margin-bottom: var(--ic-space-sm);
}

.hero-meta {
  font-size: 0.875rem;
  color: var(--ic-muted);
}

/* Tags — bracket-label */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--ic-muted);
}

.tag::before { content: "["; }
.tag::after { content: "]"; }

/* Buttons — text-link-only */
.btn-text {
  display: inline;
  font-family: var(--ic-font-sans);
  font-size: inherit;
  font-weight: 500;
  color: var(--ic-accent);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* Cards — editorial-lines, vertical-cards */
.section-title {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ic-muted);
  border-bottom: 1px solid var(--ic-line);
  padding-bottom: var(--ic-space-xs);
  margin-bottom: var(--ic-space-sm);
}

.card-list {
  display: flex;
  flex-direction: column;
  gap: var(--ic-space-md);
  list-style: none;
  padding: 0;
  margin: 0;
}

.card-editorial {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--ic-space-sm);
  padding-bottom: var(--ic-space-md);
  border-bottom: 1px solid var(--ic-line);
}

.card-editorial:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.card-editorial__thumb {
  aspect-ratio: 3 / 2;
  border-radius: var(--ic-radius);
  overflow: hidden;
  background: var(--ic-cream-deep);
}

.card-editorial__thumb img,
.card-editorial__thumb svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-editorial__title {
  font-family: var(--ic-font-serif);
  font-size: 1.375rem;
  margin: 0.25em 0 0.5em;
}

.card-editorial__title a {
  color: var(--ic-ink);
  text-decoration: none;
}

.card-editorial__title a:hover {
  color: var(--ic-accent);
  text-decoration: underline;
}

.card-editorial__excerpt {
  color: var(--ic-ink-soft);
  font-size: 0.975rem;
  margin-bottom: 0.75em;
}

.card-editorial__meta {
  font-size: 0.8125rem;
  color: var(--ic-muted);
}

/* Featured story block */
.featured-story {
  padding: var(--ic-space-lg) 0;
  border-bottom: 1px solid var(--ic-line);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--ic-space-md);
}

.featured-main {
  grid-column: span 8;
}

.featured-aside {
  grid-column: span 4;
  padding-left: var(--ic-space-sm);
  border-left: 1px solid var(--ic-line);
}

/* Article layout — pull-quote-led */
.article-layout {
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  gap: var(--ic-space-md);
  padding: var(--ic-space-lg) 0;
}

.article-toc {
  position: sticky;
  top: calc(var(--ic-header-shrink) + var(--ic-space-sm));
  align-self: start;
  font-size: 0.8125rem;
}

.article-toc__title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ic-muted);
  margin-bottom: var(--ic-space-xs);
}

.article-toc ol {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 1px solid var(--ic-line);
}

.article-toc li {
  margin: 0;
}

.article-toc a {
  display: block;
  padding: 0.4em 0 0.4em 1em;
  color: var(--ic-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color var(--ic-transition), border-color var(--ic-transition);
}

.article-toc a:hover,
.article-toc a.is-active {
  color: var(--ic-ink);
  border-left-color: var(--ic-accent);
}

.article-body {
  max-width: 42rem;
}

.article-header {
  margin-bottom: var(--ic-space-md);
}

.article-header h1 {
  margin-bottom: var(--ic-space-xs);
}

.article-byline {
  font-size: 0.875rem;
  color: var(--ic-muted);
}

.article-byline .author-name {
  color: var(--ic-ink-soft);
  font-weight: 500;
}

.article-figure {
  margin: var(--ic-space-md) 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--ic-radius);
  overflow: hidden;
  background: var(--ic-cream-deep);
}

.article-figure img,
.article-figure svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-figure figcaption {
  font-size: 0.8125rem;
  color: var(--ic-muted);
  margin-top: 0.5em;
  font-style: italic;
}

/* Pull quote — pull-quote-led */
.pull-quote {
  font-family: var(--ic-font-serif);
  font-size: clamp(1.25rem, 2.5vw, 1.625rem);
  line-height: 1.45;
  color: var(--ic-ink);
  background: var(--ic-pull-bg);
  border-left: 3px solid var(--ic-accent);
  padding: var(--ic-space-sm) var(--ic-space-sm) var(--ic-space-sm) var(--ic-space-md);
  margin: var(--ic-space-md) 0;
  border-radius: 0 var(--ic-radius) var(--ic-radius) 0;
}

.pull-quote cite {
  display: block;
  font-family: var(--ic-font-sans);
  font-size: 0.8125rem;
  font-style: normal;
  color: var(--ic-muted);
  margin-top: 0.75em;
}

.article-aside-rail {
  font-size: 0.875rem;
  color: var(--ic-muted);
}

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

.related-block h2 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0;
}

.related-list {
  list-style: none;
  padding: 0;
  margin: var(--ic-space-sm) 0 0;
}

.related-list li {
  padding: 0.6em 0;
  border-bottom: 1px solid var(--ic-line);
}

.related-list li:last-child {
  border-bottom: none;
}

.related-list a {
  color: var(--ic-ink);
  text-decoration: none;
  font-family: var(--ic-font-serif);
}

.related-list a:hover {
  color: var(--ic-accent);
  text-decoration: underline;
}

/* Page content — about, legal, contact */
.page-content {
  padding: var(--ic-space-lg) 0;
  max-width: 42rem;
}

.page-content.wide {
  max-width: 52rem;
}

.page-content h1 {
  margin-bottom: var(--ic-space-sm);
}

.page-lead {
  font-size: 1.125rem;
  color: var(--ic-ink-soft);
  margin-bottom: var(--ic-space-md);
}

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

.form-group {
  margin-bottom: var(--ic-space-sm);
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  margin-bottom: 0.35em;
  color: var(--ic-ink-soft);
}

.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--ic-font-sans);
  font-size: 1rem;
  padding: 0.65em 0.85em;
  border: 1px solid var(--ic-line);
  border-radius: var(--ic-radius-sm);
  background: var(--ic-white);
  color: var(--ic-ink);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--ic-focus);
  outline-offset: 1px;
  border-color: var(--ic-focus);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Footer — editorial-masthead */
.site-footer {
  background: var(--ic-ink);
  color: var(--ic-cream-deep);
  padding: var(--ic-space-lg) 0 var(--ic-space-md);
  margin-top: var(--ic-space-xl);
}

.masthead {
  text-align: center;
  padding-bottom: var(--ic-space-md);
  border-bottom: 1px solid rgba(246, 241, 232, 0.15);
}

.masthead-logo {
  font-family: var(--ic-font-serif);
  font-size: 1.5rem;
  color: var(--ic-cream);
  text-decoration: none;
}

.masthead-logo:hover {
  color: var(--ic-cream);
  opacity: 0.85;
}

.masthead-tagline {
  font-size: 0.8125rem;
  color: var(--ic-muted);
  margin-top: 0.5em;
  letter-spacing: 0.04em;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--ic-space-md);
  padding: var(--ic-space-md) 0;
}

.footer-col h3 {
  font-family: var(--ic-font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ic-muted);
  margin: 0 0 var(--ic-space-xs);
  font-weight: 500;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.4em;
}

.footer-col a {
  color: var(--ic-cream-deep);
  text-decoration: none;
  font-size: 0.9375rem;
}

.footer-col a:hover {
  color: var(--ic-cream);
  text-decoration: underline;
}

.footer-bottom {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--ic-muted);
  padding-top: var(--ic-space-sm);
}

/* Cookie bar — bottom-bar */
.cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ic-ink);
  color: var(--ic-cream-deep);
  padding: var(--ic-space-sm);
  z-index: 200;
  transform: translateY(100%);
  transition: transform var(--ic-transition);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
}

.cookie-bar.is-visible {
  transform: translateY(0);
}

.cookie-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--ic-space-sm);
  max-width: var(--ic-container);
  margin: 0 auto;
  width: min(100% - var(--ic-space-sm), var(--ic-container));
}

.cookie-bar p {
  margin: 0;
  font-size: 0.875rem;
  flex: 1;
  min-width: 200px;
}

.cookie-bar a {
  color: var(--ic-cream);
}

.cookie-bar__actions {
  display: flex;
  gap: var(--ic-space-xs);
}

.cookie-bar .btn-text {
  color: var(--ic-cream);
  font-size: 0.875rem;
}

/* Homepage sections */
.home-intro {
  padding: var(--ic-space-md) 0;
  max-width: 38rem;
}

.home-intro p {
  font-size: 1.0625rem;
  color: var(--ic-ink-soft);
}

.home-columns {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--ic-space-lg);
  padding: var(--ic-space-lg) 0;
}

.editorial-note {
  background: var(--ic-cream-card);
  border: 1px solid var(--ic-line);
  border-radius: var(--ic-radius);
  padding: var(--ic-space-sm);
  font-size: 0.9375rem;
}

.editorial-note h3 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ic-muted);
  margin-top: 0;
}

/* Articles listing page */
.articles-page {
  padding: var(--ic-space-lg) 0;
}

.articles-page h1 {
  margin-bottom: var(--ic-space-xs);
}

.articles-page .page-lead {
  max-width: 36rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-split {
    grid-template-columns: 1fr;
  }

  .featured-main,
  .featured-aside {
    grid-column: span 12;
  }

  .featured-aside {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--ic-line);
    padding-top: var(--ic-space-md);
  }

  .card-editorial {
    grid-template-columns: 1fr;
  }

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

  .article-toc {
    position: static;
    order: -1;
    margin-bottom: var(--ic-space-sm);
  }

  .home-columns {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .nav-toggle {
    display: block;
    margin-top: var(--ic-space-xs);
  }

  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    text-align: center;
    gap: var(--ic-space-xs);
    padding-top: var(--ic-space-xs);
  }

  .main-nav.is-open {
    display: flex;
  }

  .cookie-bar__inner {
    flex-direction: column;
    text-align: center;
  }
}