/* Linha Direta — startup-charcoal | compact-news | business-digest */

:root {
  --charcoal-900: #1a1d21;
  --charcoal-800: #24282e;
  --charcoal-700: #2e3339;
  --charcoal-600: #3d4349;
  --charcoal-500: #5c6369;
  --charcoal-400: #8a9199;
  --charcoal-300: #b8bdc3;
  --charcoal-200: #d8dce0;
  --charcoal-100: #eceef0;
  --charcoal-50: #f6f7f8;
  --accent: #4a9eff;
  --accent-hover: #2d8af0;
  --white: #ffffff;
  --container: 1140px;
  --radius-soft: 6px;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.12), 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.16), 0 2px 6px rgba(0, 0, 0, 0.1);
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --line-compact: 1.45;
  --spacing-unit: 8px;
  --header-height: 56px;
  --header-height-shrunk: 44px;
  --transition: 0.25s ease;
}

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

html {
  font-size: 15px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  line-height: var(--line-compact);
  color: var(--charcoal-800);
  background: var(--charcoal-50);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 calc(var(--spacing-unit) * 2);
}

/* ── Compact Topbar Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--charcoal-900);
  border-bottom: 1px solid var(--charcoal-700);
  transition: padding var(--transition), box-shadow var(--transition);
}

.site-header.is-shrunk {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.3);
}

.site-header.is-shrunk .header-inner { padding: calc(var(--spacing-unit) * 0.75) 0; }
.site-header.is-shrunk .logo-text { font-size: 1.05rem; }
.site-header.is-shrunk .logo-tagline { display: none; }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--spacing-unit) * 1.25) 0;
  transition: padding var(--transition);
}

.logo-link {
  display: flex;
  flex-direction: column;
  color: var(--white);
  text-decoration: none;
}

.logo-link:hover { color: var(--charcoal-200); }

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  transition: font-size var(--transition);
}

.logo-tagline {
  font-size: 0.7rem;
  color: var(--charcoal-400);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
  transition: opacity var(--transition);
}

.main-nav ul {
  display: flex;
  gap: calc(var(--spacing-unit) * 3);
  list-style: none;
}

.main-nav a {
  color: var(--charcoal-300);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.main-nav a:hover,
.main-nav a.is-active { color: var(--white); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-unit);
  color: var(--white);
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Text-only Hero Lead ── */
.hero-lead {
  background: var(--charcoal-900);
  color: var(--white);
  padding: calc(var(--spacing-unit) * 6) 0 calc(var(--spacing-unit) * 5);
  border-bottom: 3px solid var(--accent);
}

.hero-lead h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  line-height: 1.25;
  max-width: 720px;
  margin-bottom: calc(var(--spacing-unit) * 2);
}

.hero-lead .hero-deck {
  font-size: 1rem;
  color: var(--charcoal-300);
  max-width: 640px;
  line-height: 1.55;
}

.hero-lead .hero-meta {
  margin-top: calc(var(--spacing-unit) * 3);
  font-size: 0.75rem;
  color: var(--charcoal-500);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── 8-col Asymmetric Grid ── */
.grid-8 {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: calc(var(--spacing-unit) * 3);
}

.col-main { grid-column: 1 / 6; }
.col-side { grid-column: 6 / 9; }

/* ── Bracket Label Tags ── */
.tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--charcoal-500);
}

.tag::before { content: "["; margin-right: 1px; }
.tag::after { content: "]"; margin-left: 1px; }

/* ── Numbered Article List ── */
.article-list {
  list-style: none;
  counter-reset: article-counter;
}

.article-list li {
  counter-increment: article-counter;
  border-bottom: 1px solid var(--charcoal-200);
  padding: calc(var(--spacing-unit) * 2.5) 0;
}

.article-list li:first-child { padding-top: 0; }

.article-list .article-item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: calc(var(--spacing-unit) * 2);
  align-items: start;
  text-decoration: none;
  color: inherit;
}

.article-list .article-item:hover .article-title { color: var(--accent); }

.article-list .article-num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--charcoal-300);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.article-list .article-num::before { content: counter(article-counter, decimal-leading-zero); }

.article-list .article-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: calc(var(--spacing-unit) * 0.75);
  transition: color var(--transition);
}

.article-list .article-excerpt {
  font-size: 0.88rem;
  color: var(--charcoal-500);
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.article-list .article-meta {
  font-size: 0.75rem;
  color: var(--charcoal-400);
}

/* ── Shadowed Cards ── */
.card {
  background: var(--white);
  border-radius: var(--radius-soft);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.card-body { padding: calc(var(--spacing-unit) * 2.5); }

.card-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: calc(var(--spacing-unit) * 1);
}

.card-text {
  font-size: 0.85rem;
  color: var(--charcoal-500);
}

/* ── 16:9 Image Crop ── */
.img-16x9 {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--charcoal-200);
}

.img-16x9 img,
.img-16x9 svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Text-link-only Buttons ── */
.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: none;
  transition: color var(--transition);
}

.btn-link:hover { color: var(--accent-hover); }
.btn-link::after { content: "→"; transition: transform var(--transition); }
.btn-link:hover::after { transform: translateX(3px); }

/* ── Right Rail Sidebar ── */
.sidebar { position: sticky; top: calc(var(--header-height) + var(--spacing-unit) * 2); }

.sidebar-block {
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.sidebar-block h3 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--charcoal-500);
  margin-bottom: calc(var(--spacing-unit) * 2);
  padding-bottom: calc(var(--spacing-unit) * 1);
  border-bottom: 2px solid var(--charcoal-900);
}

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

.sidebar-list li {
  padding: calc(var(--spacing-unit) * 1.25) 0;
  border-bottom: 1px solid var(--charcoal-200);
  font-size: 0.85rem;
}

.sidebar-list a { color: var(--charcoal-700); font-weight: 500; }
.sidebar-list a:hover { color: var(--accent); }

/* ── Main Content Sections ── */
.main-content {
  padding: calc(var(--spacing-unit) * 5) 0;
  flex: 1;
}

.section-header {
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.section-header h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--charcoal-500);
}

/* ── Wide Magazine Article Layout ── */
.article-wide {
  max-width: 780px;
  margin: 0 auto;
}

.article-wide .article-header {
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.article-wide h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  margin: calc(var(--spacing-unit) * 2) 0;
}

.article-wide .article-deck {
  font-size: 1.05rem;
  color: var(--charcoal-500);
  line-height: 1.55;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.article-wide .article-featured-img {
  margin-bottom: calc(var(--spacing-unit) * 4);
  border-radius: var(--radius-soft);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.article-wide .article-body p {
  margin-bottom: calc(var(--spacing-unit) * 2.5);
  font-size: 0.95rem;
  line-height: 1.65;
}

.article-wide .article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  margin: calc(var(--spacing-unit) * 4) 0 calc(var(--spacing-unit) * 2);
}

.article-wide .article-body h3 {
  font-size: 1.05rem;
  margin: calc(var(--spacing-unit) * 3) 0 calc(var(--spacing-unit) * 1.5);
}

.article-wide .article-body ul,
.article-wide .article-body ol {
  margin: 0 0 calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 3);
  font-size: 0.95rem;
}

.article-wide .article-body li { margin-bottom: calc(var(--spacing-unit) * 1); }

/* ── Author Box ── */
.author-box {
  display: flex;
  gap: calc(var(--spacing-unit) * 2);
  align-items: center;
  padding: calc(var(--spacing-unit) * 3);
  background: var(--charcoal-100);
  border-radius: var(--radius-soft);
  margin: calc(var(--spacing-unit) * 4) 0;
}

.author-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--charcoal-300);
}

.author-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.author-role {
  font-size: 0.78rem;
  color: var(--charcoal-500);
}

.author-bio {
  font-size: 0.82rem;
  color: var(--charcoal-600);
  margin-top: 4px;
}

.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--spacing-unit) * 2);
  font-size: 0.78rem;
  color: var(--charcoal-400);
  padding-bottom: calc(var(--spacing-unit) * 2);
  border-bottom: 1px solid var(--charcoal-200);
}

/* ── Related Articles ── */
.related-articles {
  margin-top: calc(var(--spacing-unit) * 6);
  padding-top: calc(var(--spacing-unit) * 4);
  border-top: 2px solid var(--charcoal-900);
}

.related-articles h2 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--charcoal-500);
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: calc(var(--spacing-unit) * 3);
}

.related-card {
  text-decoration: none;
  color: inherit;
}

.related-card .card-title { font-size: 0.95rem; }

/* ── Prose Pages ── */
.prose {
  max-width: 720px;
}

.prose h1 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin-bottom: calc(var(--spacing-unit) * 3);
}

.prose h2 {
  font-size: 1.15rem;
  margin: calc(var(--spacing-unit) * 4) 0 calc(var(--spacing-unit) * 2);
}

.prose p {
  margin-bottom: calc(var(--spacing-unit) * 2.5);
  font-size: 0.92rem;
  line-height: 1.65;
}

.prose ul, .prose ol {
  margin: 0 0 calc(var(--spacing-unit) * 2.5) calc(var(--spacing-unit) * 3);
  font-size: 0.92rem;
}

.prose li { margin-bottom: calc(var(--spacing-unit) * 1); }

/* ── Contact Form ── */
.contact-form { max-width: 520px; }

.form-group {
  margin-bottom: calc(var(--spacing-unit) * 2.5);
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: calc(var(--spacing-unit) * 0.75);
  color: var(--charcoal-700);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: calc(var(--spacing-unit) * 1.25) calc(var(--spacing-unit) * 1.5);
  border: 1px solid var(--charcoal-300);
  border-radius: var(--radius-soft);
  font-family: inherit;
  font-size: 0.9rem;
  background: var(--white);
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

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

/* ── Two-column Footer ── */
.site-footer {
  background: var(--charcoal-900);
  color: var(--charcoal-300);
  padding: calc(var(--spacing-unit) * 5) 0 calc(var(--spacing-unit) * 3);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 4);
}

.footer-col h3 {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--charcoal-400);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

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

.footer-col li {
  margin-bottom: calc(var(--spacing-unit) * 1);
  font-size: 0.85rem;
}

.footer-col a { color: var(--charcoal-300); }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  padding-top: calc(var(--spacing-unit) * 3);
  border-top: 1px solid var(--charcoal-700);
  font-size: 0.78rem;
  color: var(--charcoal-500);
}

.cookie-note {
  margin-top: calc(var(--spacing-unit) * 2);
  padding: calc(var(--spacing-unit) * 1.5);
  background: var(--charcoal-800);
  border-radius: var(--radius-soft);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--charcoal-400);
}

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

.cookie-note.is-dismissed { display: none; }

.cookie-dismiss {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: calc(var(--spacing-unit) * 1);
  text-decoration: underline;
}

/* ── Editorial Columns Homepage ── */
.editorial-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: calc(var(--spacing-unit) * 4);
  margin-bottom: calc(var(--spacing-unit) * 5);
}

.editorial-feature {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: calc(var(--spacing-unit) * 4);
  align-items: center;
  padding-bottom: calc(var(--spacing-unit) * 4);
  border-bottom: 2px solid var(--charcoal-900);
}

.editorial-feature .feature-content h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.25;
  margin: calc(var(--spacing-unit) * 1.5) 0;
}

.editorial-feature .feature-content h2 a {
  color: var(--charcoal-900);
  text-decoration: none;
}

.editorial-feature .feature-content h2 a:hover { color: var(--accent); }

.editorial-feature .feature-excerpt {
  font-size: 0.92rem;
  color: var(--charcoal-500);
  margin-bottom: calc(var(--spacing-unit) * 2);
}

/* ── Articles Page Grid ── */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--spacing-unit) * 3);
}

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

.article-card-link .card-body .card-title {
  color: var(--charcoal-800);
  transition: color var(--transition);
}

.article-card-link:hover .card-title { color: var(--accent); }

/* ── Responsive ── */
@media (max-width: 960px) {
  .grid-8 { grid-template-columns: 1fr; }
  .col-main, .col-side { grid-column: 1 / -1; }
  .sidebar { position: static; }
  .editorial-feature { grid-template-columns: 1fr; }
  .editorial-columns { grid-template-columns: 1fr; }
  .articles-grid { grid-template-columns: 1fr 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .menu-toggle { display: block; }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--charcoal-900);
    padding: calc(var(--spacing-unit) * 2);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--transition), opacity var(--transition);
    border-bottom: 1px solid var(--charcoal-700);
  }

  .main-nav.is-open {
    transform: translateY(0);
    opacity: 1;
  }

  .main-nav ul {
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
  }

  .articles-grid { grid-template-columns: 1fr; }
  .article-list .article-item { grid-template-columns: 36px 1fr; }
  .article-list .article-num { font-size: 1.2rem; }
}