/* ============================================
   Prime Brasil — style.css
   Editorial financial publication · pt-BR
   Mobile-first: 480 / 768 / 1024
   ============================================ */

/* --- design tokens --- */
:root {
  --primary: #2F3E46;
  --accent: #52796F;
  --bg: #F8F9F7;
  --text: #1B2630;
  --muted: #84A98C;
  --border: #C8D1C9;
  --border-light: #E4E9E5;
  --surface: #FFFFFF;
  --space-1: 12px;
  --space-2: 24px;
  --space-3: 36px;
  --space-4: 48px;
  --space-5: 72px;
  --radius: 1px;
  --radius-sm: 0;
  --container: 1140px;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: Georgia, "Times New Roman", Times, serif;
  --line-compact: 1.32;
  --line-prose: 1.62;
  --ease: 0.18s ease;
  --shadow-line: 0 1px 0 var(--border-light);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: var(--line-prose);
  color: var(--text);
  background-color: var(--bg);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--ease);
}

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

ul,
ol {
  list-style: none;
}

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

main {
  flex: 1;
}

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

h1 { font-size: 1.625rem; letter-spacing: -0.015em; }
h2 { font-size: 1.3125rem; }
h3 { font-size: 1.0625rem; }
h4 { font-size: 0.9375rem; }

p {
  margin-bottom: var(--space-1);
}

p:last-child {
  margin-bottom: 0;
}

.lead {
  font-size: 1.0625rem;
  line-height: var(--line-prose);
  color: var(--primary);
  font-family: var(--font-display);
}

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

.eyebrow {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--space-1);
}

/* bracket-label tags */
.tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}

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

/* text-link-only buttons */
.text-link {
  display: inline;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  background: none;
  border: none;
  padding: 0;
}

.text-link:hover {
  color: var(--primary);
}

/* --- layout shell --- */
.wrap {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-2);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-2);
}

.span-full { grid-column: 1 / -1; }
.span-8 { grid-column: span 12; }
.span-4 { grid-column: span 12; }

/* --- centered-logo header --- */
.prime-header {
  background: var(--surface);
  border-bottom: 2px solid var(--primary);
  padding: var(--space-2) 0 var(--space-1);
}

.prime-header__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-1);
}

.prime-logo {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.prime-logo:hover {
  color: var(--accent);
}

.prime-tagline {
  font-size: 0.6875rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  max-width: 28rem;
}

.prime-nav-toggle {
  display: none;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  padding: 8px var(--space-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* horizontal-underline nav */
.prime-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  padding-top: var(--space-1);
}

.prime-nav a {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
  transition: border-color var(--ease), color var(--ease);
}

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

/* --- main content area --- */
.prime-main {
  padding: var(--space-3) 0 var(--space-5);
}

.page-intro {
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
}

.page-intro h1 {
  margin-bottom: var(--space-1);
}

/* text-only-lead hero */
.hero-text {
  padding: var(--space-3) 0;
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.hero-text h1 {
  font-size: 1.75rem;
  margin-bottom: var(--space-2);
  max-width: 40rem;
}

.hero-text .lead {
  max-width: 44rem;
}

/* --- editorial-lines cards --- */
.story-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
  box-shadow: var(--shadow-line);
  transition: border-color var(--ease);
}

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

.story-card--featured {
  border-top: 4px solid var(--primary);
}

.story-card__media {
  aspect-ratio: 3 / 2;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

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

.story-card__body {
  padding: var(--space-2);
}

.story-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-1);
  font-size: 0.8125rem;
}

.story-card__title {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  margin-bottom: var(--space-1);
  line-height: var(--line-compact);
}

.story-card__title a {
  color: var(--primary);
  text-decoration: none;
}

.story-card__title a:hover {
  color: var(--accent);
}

.story-card__excerpt {
  font-size: 0.875rem;
  margin-bottom: var(--space-1);
}

.story-card--compact .story-card__body {
  padding: var(--space-1) var(--space-2);
}

.story-card--compact .story-card__title {
  font-size: 1rem;
}

/* featured-story block */
.featured-block {
  margin-bottom: var(--space-4);
}

.featured-block .col-lead {
  grid-column: span 12;
}

.featured-block .col-stack {
  grid-column: span 12;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* magazine-columns article list */
.magazine-feed {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.magazine-columns {
  column-count: 1;
  column-gap: var(--space-2);
}

.magazine-columns .story-card {
  break-inside: avoid;
  margin-bottom: var(--space-2);
}

/* --- article layout (sidebar-article) --- */
.article-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.article-prose {
  font-size: 0.9375rem;
  max-width: 42rem;
}

.article-prose h2 {
  margin: var(--space-3) 0 var(--space-1);
  padding-top: var(--space-1);
  border-top: 1px solid var(--border-light);
}

.article-prose h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.article-prose h3 {
  margin: var(--space-2) 0 var(--space-1);
}

.article-prose ul,
.article-prose ol {
  margin: var(--space-1) 0 var(--space-1) var(--space-2);
  list-style: disc;
}

.article-prose ol {
  list-style: decimal;
}

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

.article-prose blockquote {
  margin: var(--space-2) 0;
  padding: var(--space-1) var(--space-2);
  border-left: 3px solid var(--accent);
  background: var(--surface);
  font-style: italic;
  color: var(--primary);
  font-family: var(--font-display);
}

.article-figure {
  aspect-ratio: 3 / 2;
  margin-bottom: var(--space-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  align-items: center;
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-2);
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
}

/* sticky-toc sidebar */
.article-aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.aside-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: var(--space-2);
}

.aside-panel h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--border);
  color: var(--primary);
}

.toc-nav li {
  margin-bottom: 8px;
}

.toc-nav a {
  font-size: 0.8125rem;
  color: var(--text);
  text-decoration: none;
  line-height: 1.4;
}

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

/* sidebar-bio-box */
.author-box {
  display: flex;
  gap: var(--space-1);
  align-items: flex-start;
}

.author-box__portrait {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg);
}

.author-box__name {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--primary);
  margin-bottom: 2px;
}

.author-box__role {
  font-size: 0.75rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.author-box__bio {
  font-size: 0.8125rem;
  line-height: 1.5;
}

.related-articles li {
  margin-bottom: var(--space-1);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--border-light);
}

.related-articles li:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.related-articles a {
  font-size: 0.875rem;
  color: var(--primary);
  text-decoration: none;
  font-family: var(--font-display);
  line-height: 1.35;
}

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

/* --- editorial-masthead footer --- */
.prime-footer {
  border-top: 4px solid var(--primary);
  background: var(--surface);
  padding: var(--space-4) 0 var(--space-2);
  margin-top: auto;
}

.masthead-footer {
  text-align: center;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
}

.masthead-footer .prime-logo {
  display: inline-block;
  margin-bottom: var(--space-1);
}

.masthead-footer p {
  font-size: 0.8125rem;
  color: var(--muted);
  max-width: 36rem;
  margin: 0 auto;
  line-height: 1.55;
}

.footer-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.footer-col h4 {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-1);
  color: var(--primary);
  font-family: var(--font-body);
}

.footer-col ul li {
  margin-bottom: 6px;
}

.footer-col a {
  font-size: 0.8125rem;
  color: var(--text);
  text-decoration: none;
}

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

.footer-bar {
  border-top: 1px solid var(--border);
  padding-top: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  align-items: center;
  text-align: center;
  font-size: 0.75rem;
  color: var(--muted);
}

/* inline-footer-note cookie */
.cookie-inline {
  display: none;
  width: 100%;
  max-width: 52rem;
  padding: var(--space-1);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--text);
}

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

.cookie-inline button {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* --- forms --- */
.form-field {
  margin-bottom: var(--space-2);
}

.form-field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--primary);
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  font-size: 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

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

/* --- prose pages --- */
.content-block {
  margin-bottom: var(--space-3);
}

.content-block h2 {
  margin-bottom: var(--space-1);
}

.content-block h3 {
  margin: var(--space-2) 0 var(--space-1);
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-3) 0;
}

.anchor-section {
  scroll-margin-top: var(--space-2);
}

/* --- 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; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mt-2 { margin-top: var(--space-2); }

.narrow-prose {
  max-width: 40rem;
}

.wide-prose {
  max-width: 48rem;
}

/* --- breakpoint: 480px --- */
@media (min-width: 480px) {
  h1 { font-size: 1.875rem; }
  .hero-text h1 { font-size: 2rem; }
  .story-card__title { font-size: 1.25rem; }
  .magazine-feed {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-cols {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- breakpoint: 768px --- */
@media (min-width: 768px) {
  body { font-size: 1rem; }
  h1 { font-size: 2.125rem; }
  h2 { font-size: 1.4375rem; }
  .hero-text h1 { font-size: 2.375rem; }
  .prime-logo { font-size: 1.875rem; }

  .prime-nav-toggle { display: none; }

  .prime-nav ul {
    gap: var(--space-3);
  }

  .magazine-columns {
    column-count: 2;
  }

  .article-shell {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .aside-sticky {
    position: sticky;
    top: var(--space-2);
  }

  .featured-block .col-lead {
    grid-column: span 7;
  }

  .featured-block .col-stack {
    grid-column: span 5;
  }

  .featured-block .story-card--featured .story-card__title {
    font-size: 1.5rem;
  }

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

  .footer-bar {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    align-items: flex-start;
  }

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

/* --- breakpoint: 1024px --- */
@media (min-width: 1024px) {
  .hero-text h1 { font-size: 2.5rem; }
  .magazine-feed {
    grid-template-columns: repeat(3, 1fr);
  }
  .story-card--featured .story-card__title {
    font-size: 1.625rem;
  }
  .article-shell {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--space-4);
  }
}

/* --- mobile nav --- */
@media (max-width: 767px) {
  .prime-nav-toggle {
    display: block;
    margin-top: 4px;
  }

  .prime-nav {
    display: none;
    width: 100%;
  }

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

  .prime-nav ul {
    flex-direction: column;
    align-items: center;
    padding: var(--space-1) 0;
    gap: var(--space-1);
  }
}