/* Vazão — fluxobr.click | modern-magazine, navy + light */
:root {
  --navy: #0D1B2A;
  --navy-mid: #1B2D42;
  --navy-light: #2A3F5F;
  --light: #E0E1DD;
  --light-dark: #C8C9C5;
  --paper: #F4F4F2;
  --ink: #0D1B2A;
  --ink-muted: #415A77;
  --accent: #415A77;
  --accent-light: #5C7A9E;
  --radius: 3px;
  --font-serif: "Georgia", "Times New Roman", Times, serif;
  --font-sans: "Helvetica Neue", Arial, "Segoe UI", sans-serif;
  --max-width: 1200px;
  --article-width: 820px;
  --line: 1.75;
  --shadow: 0 4px 18px rgba(13, 27, 42, 0.1);
  --shadow-hover: 0 8px 28px rgba(13, 27, 42, 0.14);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 100%; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: var(--line);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--navy); }

/* Meta bar */
.header-meta {
  background: var(--navy);
  color: var(--light);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  padding: 0.35rem 1rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.header-meta a { color: var(--light); text-decoration: none; }
.header-meta a:hover { text-decoration: underline; }

/* Split navigation */
.split-header {
  background: var(--light);
  border-bottom: 3px double var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
}
.split-header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.65rem 1.25rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}
.split-nav-left, .split-nav-right {
  display: flex;
  gap: 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.split-nav-left { justify-content: flex-end; }
.split-nav-right { justify-content: flex-start; }
.split-nav-left a, .split-nav-right a {
  color: var(--navy);
  text-decoration: none;
}
.split-nav-left a:hover, .split-nav-right a:hover,
.split-nav-left a[aria-current="page"], .split-nav-right a[aria-current="page"] {
  color: var(--accent);
}
.site-logo {
  text-align: center;
  text-decoration: none;
  color: var(--navy);
}
.site-logo strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.site-logo span {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-top: 0.15rem;
}
.menu-toggle {
  display: none;
  background: var(--navy);
  color: var(--light);
  border: none;
  padding: 0.5rem 0.85rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
main { flex: 1; padding: 2rem 0 3rem; }

/* Editorial columns homepage */
.editorial-columns {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}
.col-featured { grid-column: 1; }
.col-mid, .col-side { display: flex; flex-direction: column; gap: 1rem; }

.hero-image {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  box-shadow: var(--shadow);
}
.hero-label {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.col-featured h1 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  line-height: 1.25;
  margin-bottom: 0.6rem;
}
.col-featured h1 a { color: var(--ink); text-decoration: none; }
.col-featured h1 a:hover { color: var(--accent); }
.hero-excerpt { font-size: 0.95rem; color: var(--ink-muted); margin-bottom: 0.5rem; }
.hero-meta {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--ink-muted);
}

/* Shadowed cards */
.shadow-card {
  background: #fff;
  padding: 1.1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.2s;
}
.shadow-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.shadow-card img {
  margin-bottom: 0.65rem;
  border-radius: var(--radius);
  width: 100%;
}
.story-category {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 700;
}
.shadow-card h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.35;
  margin: 0.35rem 0;
}
.shadow-card h3 a { color: var(--ink); text-decoration: none; }
.shadow-card h3 a:hover { color: var(--accent); }
.story-excerpt { font-size: 0.85rem; color: var(--ink-muted); }
.story-meta {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--ink-muted);
  margin-top: 0.4rem;
}

.section-title {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--navy);
  border-bottom: 2px solid var(--navy);
  padding-bottom: 0.35rem;
  margin-bottom: 1.25rem;
}

/* Brief stats */
.brief-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  background: var(--light);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.brief-stat { flex: 1; min-width: 120px; }
.brief-stat-value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}
.brief-stat-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2.5rem;
  align-items: start;
}
.sidebar-box {
  background: #fff;
  padding: 1.1rem;
  margin-bottom: 1.25rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.sidebar-box h2 {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--navy);
  margin-bottom: 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--light-dark);
}
.sidebar-list { list-style: none; }
.sidebar-list li {
  padding: 0.4rem 0;
  border-bottom: 1px dotted var(--light-dark);
  font-size: 0.88rem;
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { text-decoration: none; color: var(--ink); }
.sidebar-list a:hover { color: var(--accent); }

/* Prose */
.prose { font-family: var(--font-sans); }
.prose p { margin-bottom: 1rem; }
.prose h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin: 1.75rem 0 0.75rem;
  color: var(--navy);
}
.prose h3 {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  margin: 1.25rem 0 0.5rem;
}
.lead {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--ink-muted);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

/* Wide-magazine article layout */
.article-wide {
  max-width: var(--article-width);
  margin: 0 auto;
}
.article-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--light-dark);
  text-align: center;
}
.article-header h1 {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  line-height: 1.2;
  margin: 0.5rem 0;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.article-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-top: 0.75rem;
}
.author-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--ink);
}
.author-avatar-sm { border-radius: 50%; border: 2px solid var(--light); }
.article-hero-img {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.updated-note {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--accent);
  font-style: italic;
  margin-top: 0.5rem;
}
.pull-quote {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.45;
  color: var(--navy);
  border-left: 4px solid var(--navy);
  padding: 0.75rem 0 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background: var(--light);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* Articles listing */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.filter-btn {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--light-dark);
  background: #fff;
  color: var(--navy);
  cursor: pointer;
  border-radius: var(--radius);
  box-shadow: 0 2px 6px rgba(13, 27, 42, 0.06);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--navy);
  color: var(--light);
  border-color: var(--navy);
}
.articles-grid { display: flex; flex-direction: column; gap: 1.25rem; }
.article-list-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.25rem;
  background: #fff;
  padding: 1.1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s;
}
.article-list-card:hover { box-shadow: var(--shadow-hover); }
.article-list-card img { border-radius: var(--radius); }

.page-header { margin-bottom: 2rem; }
.page-header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 1.5rem;
}
.contact-info {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-form {
  background: #fff;
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-form label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
  margin-top: 0.75rem;
}
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: 0.55rem;
  border: 1px solid var(--light-dark);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  background: var(--paper);
  border-radius: var(--radius);
}
.contact-form textarea { min-height: 120px; resize: vertical; }
.contact-form button {
  margin-top: 1rem;
  padding: 0.6rem 1.5rem;
  background: var(--navy);
  color: var(--light);
  border: none;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  border-radius: var(--radius);
}
.contact-form button:hover { background: var(--navy-mid); }
#form-status {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--accent);
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: var(--light);
  padding: 2rem 0 1.25rem;
  margin-top: auto;
  font-family: var(--font-sans);
  font-size: 0.82rem;
}
.site-footer a { color: var(--light); }
.site-footer a:hover { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.footer-grid h3 {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
  color: var(--light-dark);
}
.footer-bottom {
  border-top: 1px solid var(--navy-light);
  padding-top: 1rem;
  font-size: 0.75rem;
  opacity: 0.85;
}

/* Cookie notice */
.cookie-notice {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--navy);
  color: var(--light);
  padding: 1rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  display: none;
  z-index: 200;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
}
.cookie-notice.is-visible {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.cookie-notice a { color: var(--light); }
.cookie-notice button {
  background: var(--accent);
  color: var(--light);
  border: none;
  padding: 0.5rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  cursor: pointer;
  white-space: nowrap;
  border-radius: var(--radius);
}
.cookie-notice button:hover { background: var(--accent-light); }

@media (max-width: 900px) {
  .editorial-columns { grid-template-columns: 1fr; }
  .two-col, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .article-list-card { grid-template-columns: 1fr; }
  .split-header-inner { grid-template-columns: 1fr; text-align: center; }
  .split-nav-left, .split-nav-right { display: none; }
  .split-nav-left.is-open, .split-nav-right.is-open {
    display: flex;
    flex-direction: column;
    grid-column: 1 / -1;
    justify-content: center;
    padding: 0.5rem 0;
  }
  .menu-toggle { display: block; justify-self: end; grid-column: 1; grid-row: 1; }
  .site-logo { grid-column: 1; grid-row: 1; }
  .article-header h1 { font-size: 1.6rem; }
}