/* Alavanca Brasil — monochrome-light editorial */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --font-serif: Georgia, "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --color-bg: #f6f5f2;
  --color-surface: #ffffff;
  --color-ink: #181818;
  --color-ink-soft: #444444;
  --color-muted: #737373;
  --color-line: #dddcd8;
  --color-line-dark: #b8b6b0;
  --color-shadow: rgba(24, 24, 24, 0.07);
  --color-shadow-deep: rgba(24, 24, 24, 0.12);
  --container: 1140px;
  --radius-sm: 2px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.75rem;
  --space-lg: 3rem;
  --space-xl: 4.5rem;
  --col-gap: 1.5rem;
  --transition: 0.2s ease;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.col-8 { grid-column: span 8; }
.col-4 { grid-column: span 4; }
.col-12 { grid-column: span 12; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2rem, 4.5vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 2.5vw, 1.75rem); margin-bottom: var(--space-sm); }
h3 { font-size: 1.2rem; }

p + p { margin-top: var(--space-sm); }

.text-muted { color: var(--color-muted); }
.text-sm { font-size: 0.88rem; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }

/* Header — centered logo */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}

.header-centered {
  text-align: center;
  padding: var(--space-md) 0 var(--space-sm);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.55rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--color-ink);
}

.brand-mark:hover { color: var(--color-ink); }

.brand-mark img {
  width: 36px;
  height: 36px;
}

.header-tagline {
  font-size: 0.82rem;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-top: var(--space-xs);
}

.header-meta {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: var(--space-xs);
}

.header-meta a {
  color: var(--color-muted);
  text-decoration: none;
}

.header-meta a:hover {
  color: var(--color-ink);
  text-decoration: underline;
}

.header-meta span + a::before {
  content: "·";
  margin: 0 0.5rem;
}

/* Nav — horizontal underline */
.nav-underline {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-top: 1px solid var(--color-line);
}

.nav-underline a {
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.nav-underline a:hover,
.nav-underline a.is-active {
  border-bottom-color: var(--color-ink);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  margin: 0 auto var(--space-sm);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-ink);
  margin: 5px 0;
}

.mobile-drawer {
  display: none;
  flex-direction: column;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
  text-align: center;
}

.mobile-drawer.is-open { display: flex; }

.mobile-drawer a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
}

/* Main spacing */
main {
  padding: var(--space-lg) 0 var(--space-xl);
}

/* Hero — text-only lead */
.hero-featured {
  grid-column: span 12;
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-line);
  margin-bottom: var(--space-lg);
}

.hero-eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

.hero-featured h1 {
  max-width: 18ch;
  margin-bottom: var(--space-md);
}

.hero-lead {
  font-size: 1.12rem;
  color: var(--color-ink-soft);
  max-width: 52ch;
  line-height: 1.7;
}

.text-link {
  display: inline-block;
  margin-top: var(--space-md);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Tags — bracket label */
.tag {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

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

/* Byline — minimal name only */
.byline {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.byline a {
  color: var(--color-ink);
  text-decoration: none;
  font-weight: 500;
}

.byline a:hover { text-decoration: underline; }

.byline time { font-variant-numeric: tabular-nums; }

/* Vertical cards — shadowed, no image */
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-line);
}

.section-heading h2 { margin-bottom: 0; }

.section-heading a {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
}

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

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px var(--color-shadow), 0 1px 2px var(--color-shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: 0 6px 20px var(--color-shadow-deep), 0 2px 4px var(--color-shadow);
  transform: translateY(-1px);
}

.card-link {
  display: block;
  padding: var(--space-md);
  text-decoration: none;
  color: inherit;
}

.card-body .tag { margin-bottom: var(--space-xs); display: inline-block; }
.card-body .byline { margin: var(--space-xs) 0; }
.card-body h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
  transition: color var(--transition);
}

.card:hover h3 { color: var(--color-muted); }

.card-excerpt {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

/* Sidebar rail */
.column-aside { grid-column: span 4; }

.rail-block {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.rail-block h3 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

.rail-list {
  list-style: none;
}

.rail-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.92rem;
}

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

.rail-list a {
  text-decoration: none;
}

.rail-list a:hover { text-decoration: underline; }

.rail-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.88rem;
}

.rail-stat:last-child { border-bottom: none; }

.rail-stat strong {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
}

/* Editorial intro block */
.editorial-block {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-line);
}

.editorial-block p {
  color: var(--color-ink-soft);
  max-width: 65ch;
}

/* Page header */
.page-header {
  grid-column: span 12;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-line);
}

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

.page-intro {
  font-size: 1.05rem;
  color: var(--color-ink-soft);
  max-width: 58ch;
}

/* Article layout — sidebar with sticky TOC */
.breadcrumb {
  grid-column: span 12;
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: var(--space-md);
}

.breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb span { margin: 0 0.4rem; }

.article-layout {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--col-gap);
}

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

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

.article-header .tag { margin-bottom: var(--space-sm); display: inline-block; }

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

.article-deck {
  font-size: 1.15rem;
  color: var(--color-ink-soft);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.article-content {
  font-size: 1rem;
  color: var(--color-ink-soft);
}

.article-content h2 {
  margin-top: var(--space-lg);
  color: var(--color-ink);
}

.article-content ul, .article-content ol {
  margin: var(--space-sm) 0 var(--space-sm) 1.25rem;
}

.article-content li { margin-bottom: 0.4rem; }

.article-content blockquote {
  margin: var(--space-md) 0;
  padding: var(--space-md) var(--space-md) var(--space-md) var(--space-lg);
  border-left: 3px solid var(--color-ink);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-ink);
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.article-sidebar {
  grid-column: span 4;
  align-self: start;
}

.toc-sticky {
  position: sticky;
  top: var(--space-md);
}

.toc-nav ol {
  list-style: none;
  counter-reset: toc;
}

.toc-nav li {
  counter-increment: toc;
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--color-line);
  font-size: 0.88rem;
}

.toc-nav li:last-child { border-bottom: none; }

.toc-nav a {
  text-decoration: none;
  color: var(--color-ink-soft);
}

.toc-nav a:hover {
  color: var(--color-ink);
  text-decoration: underline;
}

.related-articles {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-line);
}

.related-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.related-grid .card-link { padding: var(--space-sm) var(--space-md); }

/* Prose pages */
.prose {
  grid-column: span 8;
  max-width: 68ch;
}

.prose h2 {
  margin-top: var(--space-lg);
}

.prose ul, .prose ol {
  margin: var(--space-sm) 0 var(--space-sm) 1.25rem;
}

.prose li { margin-bottom: 0.35rem; }

/* Contact */
.contact-grid {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--col-gap);
}

.contact-info { grid-column: span 5; }

.contact-email {
  font-family: var(--font-serif);
  font-size: 1.3rem;
}

.contact-email a { text-decoration: none; }
.contact-email a:hover { text-decoration: underline; }

.contact-form {
  grid-column: span 7;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: var(--space-md);
}

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

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
  color: var(--color-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-ink);
}

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

.form-note {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-top: var(--space-sm);
}

/* Footer — three column */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-lg);
}

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

.footer-col h3 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: var(--space-sm);
}

.footer-brand {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}

.footer-col p {
  font-size: 0.92rem;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

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

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

.footer-col a {
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--color-ink-soft);
}

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

.footer-bottom {
  border-top: 1px solid var(--color-line);
  padding: var(--space-sm) 0;
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* Cookie — inline footer note */
.cookie-note {
  display: none;
  font-size: 0.82rem;
  color: var(--color-muted);
  max-width: 42ch;
  text-align: right;
}

.cookie-note.is-visible { display: block; }

.cookie-note button {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 0.5rem;
}

.cookie-note a {
  color: var(--color-muted);
}

/* Responsive */
@media (max-width: 960px) {
  .col-8, .col-4, .article-main, .article-sidebar, .prose,
  .contact-info, .contact-form {
    grid-column: span 12;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .nav-underline { display: none; }

  .menu-toggle { display: block; }

  .hero-featured h1 { max-width: none; }
}

@media (max-width: 600px) {
  html { font-size: 16px; }

  .container { padding: 0 var(--space-sm); }

  main { padding: var(--space-md) 0 var(--space-lg); }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  .cookie-note {
    text-align: center;
    max-width: none;
  }
}