/* Logística Hoje — logisticabr.info */

:root {
  --primary: #52796F;
  --accent: #84A98C;
  --bg: #F0F4F1;
  --text: #1B2E26;
  --muted: #6B8F7A;
  --white: #FFFFFF;
  --border: #C5D4CB;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 48px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --container: 960px;
  --font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --line-height: 1.65;
  --transition: 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--line-height);
  color: var(--text);
  background-color: 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);
}

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

h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--text);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.25rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.65rem); margin-top: var(--space-lg); }
h3 { font-size: 1.15rem; }

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

/* Header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  gap: var(--space-sm);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.15rem;
}

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

.logo-mark {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: min(280px, 85vw);
  height: 100vh;
  background: var(--white);
  border-left: 1px solid var(--border);
  padding: var(--space-xl) var(--space-md) var(--space-md);
  transform: translateX(100%);
  transition: transform var(--transition);
  z-index: 200;
  overflow-y: auto;
}

.site-nav.is-open {
  transform: translateX(0);
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(27, 46, 38, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  z-index: 150;
}

.nav-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

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

.nav-list a {
  display: block;
  padding: var(--space-xs) 0;
  text-decoration: none;
  font-weight: 500;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

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

.nav-categories {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 2px solid var(--primary);
}

.nav-categories .nav-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: var(--space-xs);
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    width: auto;
    height: auto;
    transform: none;
    border: none;
    padding: 0;
    overflow: visible;
    background: transparent;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-md);
  }

  .nav-list a {
    border-bottom: none;
    padding: var(--space-xs) 0;
    font-size: 0.95rem;
  }

  .nav-categories {
    display: none;
  }
}

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

.page-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.page-header h1 {
  margin: 0 0 var(--space-xs);
}

.page-intro {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 42rem;
}

/* Tags */
.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: var(--space-xs);
}

/* Hero — text-only-lead */
.hero-lead {
  margin-bottom: var(--space-xl);
}

.hero-lead .tag {
  margin-bottom: var(--space-sm);
}

.hero-lead h1 {
  margin: 0 0 var(--space-sm);
}

.hero-lead .lead-text {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 38rem;
  margin-bottom: var(--space-md);
}

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

/* Lead story */
.lead-story {
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-lg);
  border-bottom: 2px solid var(--primary);
}

.lead-story h2 {
  margin-top: 0;
}

.lead-story h2 a {
  color: var(--text);
  text-decoration: none;
}

.lead-story h2 a:hover,
.lead-story h2 a:focus-visible {
  color: var(--primary);
  text-decoration: underline;
}

.lead-excerpt {
  font-size: 1.05rem;
  margin-bottom: var(--space-md);
}

/* Numbered article list */
.article-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: feed;
}

.article-feed li {
  counter-increment: feed;
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border);
}

.article-feed li::before {
  content: counter(feed, decimal-leading-zero);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
  flex-shrink: 0;
  min-width: 2rem;
}

.feed-content h3 {
  margin: 0 0 var(--space-xs);
  font-size: 1.1rem;
}

.feed-content h3 a {
  color: var(--text);
  text-decoration: none;
}

.feed-content h3 a:hover,
.feed-content h3 a:focus-visible {
  color: var(--primary);
  text-decoration: underline;
}

.feed-meta {
  font-size: 0.85rem;
  color: var(--muted);
}

.feed-thumb {
  flex-shrink: 0;
  width: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (min-width: 480px) {
  .feed-thumb {
    width: 100px;
  }
}

/* Cards — flat */
.card-flat {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

/* Buttons — subtle-ghost */
.btn-ghost {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--primary);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  background: var(--bg);
  border-color: var(--primary);
  color: var(--primary);
}

/* Article split-content-rail */
.article-layout {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr 260px;
    align-items: start;
  }
}

.article-main {
  min-width: 0;
}

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

.article-header h1 {
  margin: var(--space-xs) 0 var(--space-sm);
}

.article-byline {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: var(--space-md);
}

.article-figure {
  margin: var(--space-md) 0 var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-figure img {
  width: 100%;
}

.article-body p {
  margin-bottom: var(--space-sm);
}

.article-body h2 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.article-updated {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.related-block {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 2px solid var(--border);
}

.related-block h2 {
  margin-top: 0;
  font-size: 1.2rem;
}

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

.related-list li {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--border);
}

.related-list a {
  text-decoration: none;
  font-weight: 500;
}

/* Sidebar — author-widget-only */
.article-sidebar {
  position: sticky;
  top: calc(var(--space-xl) + 60px);
}

.author-widget {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.author-widget h2 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 var(--space-sm);
}

.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  overflow: hidden;
}

.author-name {
  font-weight: 700;
  margin: 0 0 var(--space-xs);
}

.author-role {
  font-size: 0.85rem;
  color: var(--primary);
  margin: 0 0 var(--space-sm);
}

.author-bio {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0;
}

/* Articles listing */
.articles-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.article-card {
  display: grid;
  gap: var(--space-sm);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition);
}

.article-card:hover,
.article-card:focus-visible {
  border-color: var(--primary);
}

.article-card h2 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--text);
}

.article-card .excerpt {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
}

.article-card .meta {
  font-size: 0.85rem;
  color: var(--muted);
}

@media (min-width: 768px) {
  .article-card {
    grid-template-columns: 140px 1fr;
    align-items: start;
  }

  .article-card .thumb {
    border-radius: var(--radius-md);
    overflow: hidden;
  }
}

/* Contact form */
.contact-grid {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.contact-form label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  font-family: inherit;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--text);
  margin-bottom: var(--space-sm);
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}

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

.contact-info p {
  margin-bottom: var(--space-sm);
}

/* Prose pages */
.prose {
  max-width: 42rem;
}

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

.prose-wide {
  max-width: 52rem;
}

/* Footer — stacked-links */
.site-footer {
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: var(--space-lg) 0 var(--space-md);
  margin-top: var(--space-xl);
}

.footer-brand {
  margin-bottom: var(--space-md);
}

.footer-brand .logo-text {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
}

.footer-tagline {
  color: var(--muted);
  font-size: 0.9rem;
  margin: var(--space-xs) 0 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.footer-links a {
  text-decoration: none;
  font-size: 0.95rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  text-decoration: underline;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.footer-legal a {
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--muted);
}

.footer-legal a:hover,
.footer-legal a:focus-visible {
  color: var(--primary);
  text-decoration: underline;
}

.footer-bottom {
  font-size: 0.8rem;
  color: var(--muted);
}

.cookie-note {
  margin-top: var(--space-sm);
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.5;
}

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

/* Section blocks on homepage */
.section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 var(--space-md);
}

.editorial-note {
  background: var(--white);
  border-left: 3px solid var(--accent);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-lg) 0;
  font-size: 0.95rem;
}

.home-columns {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .home-columns {
    grid-template-columns: 2fr 1fr;
  }
}

.sidebar-home .card-flat h2 {
  margin-top: 0;
  font-size: 1rem;
}

.sidebar-home ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-home li {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.sidebar-home li a {
  text-decoration: none;
  font-weight: 500;
}