/* Impulso Brasil — boostbr.info | opinion-led | high-contrast-bw */

:root {
  --black: #000000;
  --white: #ffffff;
  --gray-100: #f5f5f5;
  --gray-200: #e0e0e0;
  --gray-400: #9e9e9e;
  --gray-600: #616161;
  --gray-800: #212121;
  --bg: var(--white);
  --text: var(--black);
  --muted: var(--gray-600);
  --border: var(--black);
  --border-light: var(--gray-200);
  --container: 1140px;
  --gap: 0.75rem;
  --radius: 0;
  --radius-img: 8px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --space-xs: 0.35rem;
  --space-sm: 0.6rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.25rem;
  --transition: 0.18s ease;
}

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

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

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a { color: var(--text); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--gray-600); }

ul, ol { list-style: none; }

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

h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 700;
  line-height: 1.2;
  color: var(--black);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); }
h3 { font-size: clamp(1.05rem, 2vw, 1.25rem); }

.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(--gap);
}

/* Compact topbar */
.site-header {
  border-bottom: 2px solid var(--black);
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--black);
}

.brand:hover { color: var(--gray-600); }

.brand__name {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.brand__tagline {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.topbar__meta {
  display: none;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.nav-desktop {
  display: none;
}

.nav-desktop ul {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav-desktop a {
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--black);
}

.nav-desktop a:hover,
.nav-desktop a.is-active { text-decoration: underline; }

.menu-toggle {
  border: 1px solid var(--black);
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--black);
  background: var(--white);
}

.menu-toggle:hover { background: var(--gray-100); }

/* Vertical mobile drawer */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 200;
}

.drawer-overlay.is-open { display: block; }

.drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100%;
  background: var(--white);
  border-left: 2px solid var(--black);
  z-index: 201;
  transition: right 0.28s ease;
  padding: var(--space-lg);
  overflow-y: auto;
}

.drawer.is-open { right: 0; }

.drawer__close {
  font-size: 1.5rem;
  line-height: 1;
  margin-bottom: var(--space-lg);
  color: var(--black);
}

.drawer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.drawer-nav a {
  display: block;
  padding: var(--space-sm) 0;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--black);
  border-bottom: 1px solid var(--gray-200);
}

.drawer-nav a:hover,
.drawer-nav a.is-active {
  padding-left: var(--space-xs);
  border-left: 3px solid var(--black);
}

/* Tags — uppercase-small */
.tag {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
  text-decoration: none;
}

.tag:hover { color: var(--gray-600); }

/* Buttons — subtle-ghost */
.btn {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--black);
  border: 1px solid var(--black);
  background: transparent;
  transition: background var(--transition);
}

.btn:hover {
  background: var(--gray-100);
  color: var(--black);
}

/* Text-only lead hero */
.hero-lead {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 1px solid var(--black);
}

.hero-lead__eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--space-sm);
}

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

.hero-lead__deck {
  font-size: 1.05rem;
  line-height: 1.6;
  max-width: 52ch;
  margin-bottom: var(--space-md);
}

.hero-lead__note {
  font-size: 0.8rem;
  color: var(--muted);
}

/* Lead story */
.lead-story {
  padding: var(--space-lg) 0;
  border-bottom: 2px solid var(--black);
}

.lead-story__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.lead-story__thumb img {
  border-radius: var(--radius-img);
  border: 1px solid var(--black);
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.lead-story__body h2 {
  margin: var(--space-sm) 0;
}

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

.lead-story__body h2 a:hover { text-decoration: underline; }

.lead-story__excerpt {
  margin: var(--space-sm) 0 var(--space-md);
  font-size: 1.05rem;
  line-height: 1.6;
}

.byline {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: var(--space-xs);
}

.byline a { color: var(--black); text-decoration: none; }
.byline a:hover { text-decoration: underline; }

/* Numbered article list */
.section-head {
  padding: var(--space-lg) 0 var(--space-sm);
}

.section-head h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.numbered-list {
  counter-reset: feed;
  border-top: 2px solid var(--black);
}

.numbered-list__item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--gray-200);
  counter-increment: feed;
}

.numbered-list__num::before {
  content: counter(feed, decimal-leading-zero);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--black);
  line-height: 1;
}

.numbered-list__body h3 {
  margin: var(--space-xs) 0;
}

.numbered-list__body h3 a {
  text-decoration: none;
  color: var(--black);
}

.numbered-list__body h3 a:hover { text-decoration: underline; }

.numbered-list__excerpt {
  font-size: 0.9rem;
  color: var(--gray-800);
  margin: var(--space-xs) 0;
  line-height: 1.5;
}

.numbered-list__meta {
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.numbered-list__item--teaser .numbered-list__excerpt {
  font-size: 0.85rem;
  font-style: italic;
}

/* Flat cards */
.card-flat {
  border: 1px solid var(--black);
  padding: var(--space-md);
  background: var(--white);
}

.card-flat h3 { margin-bottom: var(--space-xs); }

/* Editorial note block */
.editorial-note {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--gray-200);
}

.editorial-note p {
  margin-bottom: var(--space-md);
  max-width: 68ch;
}

.editorial-note p:last-child { margin-bottom: 0; }

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

/* Page header */
.page-header {
  padding: var(--space-xl) 0 var(--space-lg);
  border-bottom: 2px solid var(--black);
}

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

.page-header .lead {
  font-size: 1.05rem;
  max-width: 60ch;
  color: var(--gray-800);
}

/* Article — split-content-rail */
.article-header {
  padding: var(--space-xl) 0 var(--space-md);
}

.article-header h1 {
  max-width: 22ch;
  margin: var(--space-sm) 0;
}

.article-updated {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: var(--space-xs);
}

.article-split {
  padding-bottom: var(--space-xl);
}

.article-split__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.article-content {
  font-size: 1.02rem;
  line-height: 1.65;
}

.article-content p { margin-bottom: var(--space-md); }

.article-content h2 {
  font-size: 1.2rem;
  margin: var(--space-lg) 0 var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--gray-200);
}

.article-content blockquote {
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  border-left: 3px solid var(--black);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.45;
}

.article-content ul,
.article-content ol {
  margin: var(--space-md) 0 var(--space-md) var(--space-lg);
  list-style: disc;
}

.article-content li { margin-bottom: var(--space-xs); }

.article-figure {
  margin: var(--space-lg) 0;
}

.article-figure img {
  border-radius: var(--radius-img);
  border: 1px solid var(--black);
  width: 100%;
}

.article-figure figcaption {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: var(--space-xs);
}

/* Author sidebar bio box */
.author-widget {
  border: 2px solid var(--black);
  padding: var(--space-md);
  position: sticky;
  top: 5rem;
}

.author-widget__avatar {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-img);
  border: 1px solid var(--black);
  margin-bottom: var(--space-sm);
}

.author-widget__name {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.author-widget__role {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: var(--space-sm);
}

.author-widget__bio {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--gray-800);
}

/* Related */
.related-block {
  padding: var(--space-lg) 0;
  border-top: 2px solid var(--black);
}

.related-block h2 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-md);
}

.related-list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--gray-200);
}

.related-list a {
  text-decoration: none;
  font-weight: 600;
}

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

/* Articles archive */
.archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg) 0 var(--space-xl);
}

.archive-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--gray-200);
}

.archive-card__img img {
  border-radius: var(--radius-img);
  border: 1px solid var(--black);
  aspect-ratio: 3 / 2;
  object-fit: cover;
  width: 100%;
}

.archive-card h2 {
  font-size: 1.15rem;
  margin: var(--space-xs) 0;
}

.archive-card h2 a {
  text-decoration: none;
  color: var(--black);
}

.archive-card h2 a:hover { text-decoration: underline; }

/* Contact */
.contact-block {
  padding: var(--space-lg) 0 var(--space-xl);
  max-width: 52ch;
}

.contact-block p { margin-bottom: var(--space-md); }

.contact-email {
  font-size: 1.15rem;
  font-weight: 700;
}

/* Legal / policy */
.policy-content {
  padding: var(--space-lg) 0 var(--space-xl);
  max-width: 68ch;
}

.policy-content h2 {
  font-size: 1.05rem;
  margin: var(--space-lg) 0 var(--space-sm);
}

.policy-content p,
.policy-content li {
  margin-bottom: var(--space-sm);
  font-size: 0.95rem;
}

.policy-content ul {
  margin-left: var(--space-lg);
  list-style: disc;
}

/* Stacked links footer */
.site-footer {
  margin-top: auto;
  border-top: 2px solid var(--black);
  padding: var(--space-lg) 0;
  background: var(--white);
}

.footer-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: flex-start;
}

.footer-stack__brand {
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--black);
}

.footer-stack__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-stack__links a {
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--black);
}

.footer-stack__links a:hover { text-decoration: underline; }

.footer-stack__copy {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: var(--space-sm);
}

/* Cookie inline footer note */
.cookie-note {
  display: none;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
  line-height: 1.5;
  max-width: 60ch;
}

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

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

.cookie-note__btn {
  display: inline;
  margin-left: var(--space-xs);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-decoration: underline;
  color: var(--black);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.cookie-note__btn:hover { color: var(--gray-600); }

/* Utilities */
.mb-lg { margin-bottom: var(--space-lg); }
.mt-md { margin-top: var(--space-md); }

@media (min-width: 640px) {
  .topbar__meta { display: block; }
  .lead-story__grid { grid-template-columns: 5fr 7fr; align-items: start; }
  .archive-card { grid-template-columns: 4fr 8fr; }
}

@media (min-width: 768px) {
  .nav-desktop { display: block; }
  .menu-toggle { display: none; }
  .article-split__grid { grid-template-columns: 8fr 4fr; gap: var(--space-xl); }
}

@media (min-width: 900px) {
  .numbered-list__item { grid-template-columns: 3rem 1fr auto; }
  .numbered-list__thumb { width: 120px; }
  .numbered-list__thumb img {
    border-radius: var(--radius-img);
    border: 1px solid var(--black);
    aspect-ratio: 1;
    object-fit: cover;
  }
}