/*
  Prefa.News — design system v2
  Substitui a pilha antiga (Bootstrap + ~15 arquivos CSS de plugins).
  Fontes: Inter (texto/UI) + Fraunces (títulos editoriais), carregadas
  via <link> com font-display: swap e preconnect no <head>.
  Decisão de produto: cards de notícia não usam mais imagem — o foco
  visual passa a ser tipografia, cor de região e hierarquia de conteúdo.
*/

:root {
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-serif: "Fraunces", Georgia, serif;

  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-border: #e5e3de;
  --color-primary: #0f5132;
  --color-primary-dark: #0a3a24;
  --color-accent: #d97706;

  /* Cores por região (equivalente às classes colorSU/GF/NO/OE/SE/VA do CSS antigo) */
  --color-SU: #2563eb;
  --color-GR: #7c3aed;
  --color-NO: #db2777;
  --color-OE: #ea580c;
  --color-SE: #0891b2;
  --color-VA: #16a34a;

  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);

  /* Layout fluido — gutters proporcionais à viewport (padrão de portais de notícia) */
  --layout-max: 1320px;
  --layout-gutter: clamp(1rem, 2.5vw + 0.5rem, 3.5rem);
  --layout-narrow: 760px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--layout-max);
  margin-inline: auto;
  padding-inline: var(--layout-gutter);
}

main {
  width: 100%;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 .5em;
}

a { color: inherit; text-decoration: none; }

/* ---------- Header ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  padding-block: 14px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--color-primary);  
}
.brand img { width: 50%; height: auto; }
.main-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-left: auto;
  font-weight: 500;
  font-size: .92rem;
}
.main-nav a { color: var(--color-text-muted); padding: 6px 2px; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); border-color: var(--color-primary); }
.btn-support {
  background: var(--color-primary);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 999px;
  border-bottom: none !important;
}
.btn-support:hover { background: var(--color-primary-dark); }

.search-form { display: flex; align-items: center; gap: 6px; }
.search-form input {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 14px;
  font-family: var(--font-sans);
  font-size: .9rem;
  width: clamp(140px, 18vw, 220px);
}
.search-form button {
  background: none; border: none; cursor: pointer; font-size: 1rem;
}

/* ---------- Hero ---------- */
.hero {
  padding: 56px 0 32px;
  text-align: left;
}
.hero h1 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); max-width: min(780px, 100%); }
.hero p { color: var(--color-text-muted); max-width: min(620px, 100%); font-size: clamp(1rem, 1.5vw, 1.05rem); }

.page-header { padding: 40px 0 12px; }
.page-header h1 { font-size: 1.9rem; }

/* ---------- News cards (sem imagem) ---------- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: clamp(14px, 2vw, 22px);
  margin: 18px 0;
}

.news-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform .15s ease, box-shadow .15s ease;
  cursor: pointer;
}
.news-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.news-card__eyebrow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: .78rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.region-tag {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: .72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(15,81,50,0.08);
  color: var(--color-primary);
}
.news-card__title { font-size: 1.05rem; margin-bottom: 6px; }
.news-card__title a:hover { text-decoration: underline; }
.news-card__excerpt { font-size: .9rem; color: var(--color-text-muted); margin: 0; }

.news-card--featured {
  grid-column: 1 / -1;
  padding: 28px;
}
.news-card--featured .news-card__title { font-family: var(--font-serif); font-size: 1.7rem; }
.news-card--featured .news-card__excerpt { font-size: 1rem; }

/* Cores de região aplicadas na barra lateral do card */
.news-card.region-SU { border-left-color: var(--color-SU); }
.news-card.region-GR { border-left-color: var(--color-GR); }
.news-card.region-NO { border-left-color: var(--color-NO); }
.news-card.region-OE { border-left-color: var(--color-OE); }
.news-card.region-SE { border-left-color: var(--color-SE); }
.news-card.region-VA { border-left-color: var(--color-VA); }

/* ---------- Highlights (home) ---------- */
.section-highlights { margin: 28px 0; }
.highlights-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}
.highlights-secondary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: clamp(14px, 2vw, 18px);
  margin-top: 16px;
}
.highlights-side { display: flex; flex-direction: column; gap: 14px; }
.side-title { font-size: 1rem; text-transform: uppercase; letter-spacing: .04em; color: var(--color-text-muted); }

@media (max-width: 900px) {
  .highlights-grid { grid-template-columns: 1fr; }
  .highlights-secondary { grid-template-columns: 1fr; }
}

/* ---------- Ticker ---------- */
.ticker-section { margin: 36px 0; }
.section-title { font-size: 1.3rem; margin-bottom: 14px; }
.news-ticker {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 12px 20px;
  overflow: hidden;
  white-space: nowrap;
}
.ticker-item { display: inline-block; margin-right: 48px; font-size: .92rem; }
.ticker-item a { color: #fff; }

.section-more-news { margin: 36px 0 60px; }

/* ---------- Sector tabs ---------- */
.section-sectors { margin: 40px 0 60px; }
.sector-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.tab-btn {
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: .88rem;
  font-weight: 500;
}
.tab-btn.active, .tab-btn:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.sector-panel { display: none; }
.sector-panel.active { display: block; }

.empty-state { color: var(--color-text-muted); padding: 24px 0; }

.load-more-wrapper { text-align: center; margin: 24px 0 48px; }
.btn-secondary {
  background: var(--color-surface);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 10px 22px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}
.btn-secondary:hover { background: var(--color-primary); color: #fff; }

/* ---------- About / apoie ---------- */
.about-content {
  padding: 8px 0 60px;
  max-width: var(--layout-narrow);
}
.about-content p { color: var(--color-text-muted); font-size: 1.02rem; }
.city-list { columns: 3; gap: 20px; padding-left: 18px; }
@media (max-width: 700px) { .city-list { columns: 2; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-primary-dark); color: #d9e2dc; margin-top: 60px; }
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.4fr;
  gap: clamp(24px, 4vw, 40px);
  padding-block: 48px 24px;
}
.site-footer .brand { color: #fff; }
.site-footer .brand span { color: var(--color-accent); }
.footer-links, .footer-newsletter { display: flex; flex-direction: column; gap: 8px; }
.footer-links h4, .footer-newsletter h4 { color: #fff; margin-bottom: 6px; font-family: var(--font-sans); }
.footer-newsletter form { display: flex; gap: 6px; }
.footer-newsletter input {
  flex: 1;
  padding: 8px 10px;
  border-radius: 6px;
  border: none;
  font-family: var(--font-sans);
}
.footer-newsletter button {
  background: var(--color-accent);
  border: none;
  color: #fff;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}
.form-feedback { font-size: .82rem; min-height: 1.2em; }
.footer-bottom {
  padding-block: 16px;
  font-size: .8rem;
  opacity: .8;
  border-top: 1px solid rgba(255,255,255,.1);
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .main-nav {
    margin-left: 0;
    order: 2;
    justify-content: center;
  }
  .search-form {
    order: 3;
    width: 100%;
  }
  .search-form input {
    flex: 1;
    width: auto;
    min-width: 0;
  }
  .brand { align-self: center; }
}

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; }
  .hero { padding: 40px 0 24px; }
  .news-ticker { padding: 12px var(--layout-gutter); }
}
