/* Cenário Sombrio — pessimistabr.digital */

/* :root */
:root {
  --primary: #0D1B2A;
  --accent: #778DA9;
  --bg: #E0E5EC;
  --text: #1B263B;
  --muted: #415A77;
  --white: #F8F9FA;
  --border: #C5CCD6;
  --space-xs: 12px;
  --space-sm: 24px;
  --space-md: 36px;
  --space-lg: 48px;
  --space-xl: 72px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --container: 960px;
  --font-serif: Georgia, "Times New Roman", Times, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --line-height: 1.65;
  --transition: 0.2s ease;
}

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

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

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: var(--line-height);
  min-height: 100vh;
  overflow-x: hidden;
}

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(--muted);
}

ul,
ol {
  list-style: none;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

/* typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--primary);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.375rem, 3vw, 1.75rem); }
h3 { font-size: clamp(1.125rem, 2.5vw, 1.375rem); }

p {
  margin-bottom: var(--space-xs);
}

.lead {
  font-size: 1.1875rem;
  color: var(--muted);
  line-height: 1.7;
}

.muted {
  color: var(--muted);
  font-size: 0.9375rem;
}

.serif-display {
  font-family: var(--font-serif);
  letter-spacing: -0.01em;
}

/* layout */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-xs);
}

.grid-8 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.col-span-4 { grid-column: span 4; }
.col-span-3 { grid-column: span 4; }
.col-span-2 { grid-column: span 4; }
.col-span-5 { grid-column: span 4; }

.site-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  padding-block: var(--space-md);
}

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

.section-header {
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border);
}

/* components — header centered-logo */
.site-header {
  background-color: var(--primary);
  color: var(--white);
  padding-block: var(--space-sm);
  border-bottom: 3px solid var(--accent);
}

.header-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-xs);
}

.site-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  color: var(--white);
  text-decoration: none;
}

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

.site-logo svg {
  width: 48px;
  height: 48px;
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo-tagline {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* nav horizontal-underline */
.main-nav {
  width: 100%;
  margin-top: var(--space-xs);
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: var(--space-xs);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
}

.nav-toggle-icon {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-toggle-icon span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  transition: var(--transition);
}

.nav-list {
  display: none;
  flex-direction: column;
  gap: 0;
  margin-top: var(--space-xs);
  font-family: var(--font-sans);
  font-size: 0.875rem;
}

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

.nav-list a {
  color: var(--white);
  text-decoration: none;
  padding: 10px var(--space-xs);
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

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

/* hero split-image-text */
.hero-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero-image {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--primary);
}

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

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-xs);
}

.hero-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

/* tag bracket-label */
.tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.04em;
}

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

/* cards editorial-lines */
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.card:hover {
  border-color: var(--accent);
}

.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.card-link:hover h3,
.card-link:focus-visible h3 {
  color: var(--muted);
}

.card-image {
  aspect-ratio: 3 / 2;
  background: var(--primary);
  overflow: hidden;
}

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

.card-body {
  padding: var(--space-sm);
  border-top: 1px solid var(--border);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
  margin-bottom: var(--space-xs);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--muted);
}

.card-body h3 {
  margin-bottom: var(--space-xs);
  font-size: 1.125rem;
}

.card-excerpt {
  font-size: 0.9375rem;
  color: var(--muted);
  margin-bottom: 0;
}

/* article_list vertical-cards */
.article-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* homepage editorial-columns */
.editorial-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.editorial-main {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.editorial-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.sidebar-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

.sidebar-block h2 {
  font-size: 0.875rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border);
}

.sidebar-list li {
  padding-block: 10px;
  border-bottom: 1px solid var(--border);
}

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

.sidebar-list a {
  text-decoration: none;
  font-size: 0.9375rem;
}

.sidebar-list .date {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 4px;
}

/* button text-link-only */
.btn-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  padding: 4px 0;
  background: none;
  border: none;
}

.btn-link:hover,
.btn-link:focus-visible {
  color: var(--muted);
}

/* article sidebar-article layout */
.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.article-main {
  max-width: 100%;
}

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

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

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--muted);
}

.article-featured-image {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-md);
  background: var(--primary);
}

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

.article-body h3 {
  margin-top: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--space-xs);
  padding-left: var(--space-sm);
}

.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }

.article-body li {
  margin-bottom: 6px;
}

.article-body blockquote {
  margin: var(--space-sm) 0;
  padding: var(--space-xs) var(--space-sm);
  border-left: 3px solid var(--accent);
  background: var(--white);
  font-style: italic;
  color: var(--muted);
}

/* sticky-toc sidebar */
.article-sidebar {
  position: relative;
}

.toc-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

.toc-block h2 {
  font-size: 0.875rem;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}

.toc-list a {
  display: block;
  padding: 6px 0;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  text-decoration: none;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.toc-list a:hover,
.toc-list a:focus-visible,
.toc-list a.is-active {
  color: var(--primary);
  font-weight: 600;
}

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

/* author footer-author-note */
.author-note {
  margin-top: var(--space-lg);
  padding: var(--space-sm);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.author-avatar {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--primary);
}

.author-avatar svg {
  width: 100%;
  height: 100%;
}

.author-info h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.author-info p {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 0;
}

/* related articles */
.related-articles {
  margin-top: var(--space-lg);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border);
}

.related-articles h2 {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.related-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

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

.content-block {
  margin-bottom: var(--space-sm);
}

.content-block h2 {
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}

.content-block h2:first-child {
  margin-top: 0;
}

/* contact form */
.contact-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
}

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

.form-group label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
}

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

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

/* footer three-column */
.site-footer {
  background: var(--primary);
  color: var(--white);
  padding-block: var(--space-lg);
  margin-top: var(--space-md);
}

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

.footer-col h3 {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.footer-col p,
.footer-col a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--bg);
  line-height: 1.6;
}

.footer-col a {
  text-decoration: none;
}

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

.footer-links li {
  margin-bottom: 8px;
}

.footer-bottom {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--muted);
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--accent);
}

/* cookie bottom-bar */
.cookie-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--primary);
  color: var(--white);
  padding: var(--space-xs) var(--space-sm);
  border-top: 2px solid var(--accent);
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

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

.cookie-inner {
  max-width: var(--container);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  align-items: flex-start;
}

.cookie-inner p {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  margin-bottom: 0;
  line-height: 1.5;
}

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

.cookie-actions {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.cookie-btn {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--primary);
  background: var(--accent);
}

.cookie-btn:hover,
.cookie-btn:focus-visible {
  background: var(--bg);
}

.cookie-btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--accent);
}

.cookie-btn-secondary:hover,
.cookie-btn-secondary:focus-visible {
  background: var(--muted);
  color: var(--white);
}

/* utilities */
.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;
}

.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-xs);
  background: var(--accent);
  color: var(--primary);
  padding: 8px 16px;
  font-family: var(--font-sans);
  z-index: 2000;
  border-radius: var(--radius-sm);
}

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

.updated-note {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--muted);
  font-style: italic;
}

/* media queries — 480px */
@media (min-width: 480px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cookie-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* media queries — 768px */
@media (min-width: 768px) {
  .grid-8 {
    grid-template-columns: repeat(8, 1fr);
  }

  .col-span-4 { grid-column: span 4; }
  .col-span-3 { grid-column: span 3; }
  .col-span-2 { grid-column: span 2; }
  .col-span-5 { grid-column: span 5; }

  .nav-toggle {
    display: none;
  }

  .nav-list {
    display: flex;
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: 0;
  }

  .nav-list a {
    padding: 6px 12px;
    border-bottom: 2px solid transparent;
  }

  .hero-split {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .editorial-columns {
    grid-template-columns: 5fr 3fr;
  }

  .article-layout {
    grid-template-columns: 1fr 280px;
    align-items: start;
  }

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

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* media queries — 1024px */
@media (min-width: 1024px) {
  body {
    font-size: 1.125rem;
  }

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

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .article-list .card {
    display: grid;
    grid-template-columns: 240px 1fr;
  }

  .article-list .card-image {
    aspect-ratio: auto;
    min-height: 100%;
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}