/* =====================================================================
   OBECA — Design System do site publico (v2 — visual impactante)
   Paleta vibrante de "vigilancia digital": azul-marinho profundo como
   base + teal, violeta e coral em blocos cheios de cor, no espirito de
   secoes-cartaz (como referencias de campanhas do Intervozes), com um
   motivo de arcos concentricos de radar como assinatura visual do hero.
   Tipografia: Space Grotesk (display, extra bold) + Inter (corpo).
   ===================================================================== */

:root {
  /* Cores - versao vibrante */
  --obeca-navy:      #0B1B3A;
  --obeca-navy-700:  #142A54;
  --obeca-teal:      #00B39F;
  --obeca-teal-dark: #048577;
  --obeca-violet:    #6C4CF1;
  --obeca-violet-dark:#5238C4;
  --obeca-yellow:    #FFC93C;
  --obeca-orange:    #F4901C;
  --obeca-sunset:      #F2994A;
  --obeca-sunset-dark: #C2410C;
  --obeca-ember:       #8A2C0A;
  --obeca-coral:     #FF5A5F;
  --obeca-coral-dark:#E13F45;
  --obeca-cream:     #FFFBF2;
  --obeca-paper:     #F3EFE2;
  --obeca-ink:       #14161A;
  --obeca-ink-soft:  #4B5259;
  --obeca-line:      #E7E1CF;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius: 18px;
  --radius-sm: 10px;
  --shadow-soft: 0 16px 40px -16px rgba(11, 27, 58, 0.35);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--obeca-ink);
  background: var(--obeca-cream);
  line-height: 1.6;
}

h1, h2, h3, h4, .display-font {
  font-family: var(--font-display);
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--obeca-navy);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
}

a { color: var(--obeca-teal-dark); }
a:hover { color: var(--obeca-navy); }

a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--obeca-yellow);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ---------------------------------------------------------------------
   Cabecalho / menu principal
   --------------------------------------------------------------------- */
.site-header {
  background: var(--obeca-cream);
  border-bottom: 3px solid var(--obeca-navy);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.site-header .navbar-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.65rem;
  color: var(--obeca-navy);
  letter-spacing: -0.02em;
}
.site-header .navbar-brand span { color: var(--obeca-coral); }

.main-nav .nav-link {
  font-weight: 700;
  color: var(--obeca-ink);
  padding: 0.6rem 0.9rem !important;
  position: relative;
}
.main-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0.9rem; right: 0.9rem; bottom: 0.3rem;
  height: 3px;
  background: var(--obeca-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s ease;
}
.main-nav .nav-link:hover::after,
.main-nav .nav-link:focus::after { transform: scaleX(1); }
.main-nav .nav-link:hover,
.main-nav .nav-link:focus { color: var(--obeca-navy); }

.main-nav .dropdown-menu {
  border: 2px solid var(--obeca-navy);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  margin-top: 0;
}

@media (min-width: 992px) {
  .main-nav .nav-item.dropdown:hover > .dropdown-menu {
    display: block;
  }
}

.icon-btn {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--obeca-navy);
  background: transparent;
  border: 2px solid transparent;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.icon-btn:hover { background: var(--obeca-yellow); color: var(--obeca-navy); border-color: var(--obeca-navy); }

.search-inline { position: relative; }
.search-inline input {
  width: 0; opacity: 0; padding: 0; border: 2px solid var(--obeca-navy);
  transition: width .25s ease, opacity .2s ease, padding .25s ease;
  background: #fff;
  border-radius: var(--radius-sm);
}
.search-inline.is-open input { width: 220px; opacity: 1; padding: 0.4rem 0.75rem; margin-right: 0.4rem; }

/* ---------------------------------------------------------------------
   Hero — assinatura visual: arcos concentricos de radar + gradiente vivo
   --------------------------------------------------------------------- */
.hero-observatorio {
  position: relative;
  background:
    radial-gradient(circle at 82% 20%, rgba(255,201,60,.55) 0, transparent 46%),
    radial-gradient(circle at 15% 85%, rgba(244,145,28,.45) 0, transparent 42%),
    linear-gradient(150deg, var(--obeca-teal-dark) 0%, var(--obeca-teal) 55%, #027a6c 100%);
  color: #fff;
  overflow: hidden;
  padding: 6rem 0 7rem;
}
.hero-observatorio::before {
  content: "";
  position: absolute;
  top: 50%; right: -8%;
  width: 780px; height: 780px;
  transform: translateY(-50%);
  background:
    radial-gradient(circle at center, transparent 0 118px, rgba(255,255,255,.45) 119px 123px, transparent 124px),
    radial-gradient(circle at center, transparent 0 188px, rgba(255,201,60,.4) 189px 193px, transparent 194px),
    radial-gradient(circle at center, transparent 0 258px, rgba(244,145,28,.35) 259px 263px, transparent 264px),
    radial-gradient(circle at center, transparent 0 328px, rgba(255,90,95,.28) 329px 333px, transparent 334px);
  pointer-events: none;
  animation: radar-pulse 7s ease-in-out infinite;
}
@keyframes radar-pulse {
  0%, 100% { opacity: .75; transform: translateY(-50%) scale(1); }
  50%      { opacity: 1;   transform: translateY(-50%) scale(1.04); }
}
.hero-observatorio .lead { color: rgba(255,255,255,.88); font-size: 1.2rem; }
.hero-observatorio h1 { color: #fff; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1.05; }
.hero-observatorio .hero-content { position: relative; z-index: 2; }
.hero-observatorio .eyebrow { color: var(--obeca-yellow); }

/* A partir de tablet/desktop, usa a foto do banner de campanha como fundo,
   ancorada a direita (onde esta a ilustracao), com um gradiente escurecendo
   a esquerda para garantir legibilidade do texto sobre qualquer parte da foto.
   Em telas estreitas (celular) a foto e larga demais e cortaria mal, entao
   o mobile mantem apenas o gradiente solido (regra acima). */
@media (min-width: 768px) {
  .hero-observatorio {
    background:
      linear-gradient(90deg, rgba(4,133,119,.92) 0%, rgba(4,133,119,.55) 45%, rgba(4,133,119,.15) 75%),
      url('../img/banner-hero.jpg') right center / cover no-repeat;
  }
  .hero-observatorio::before { display: none; } /* arcos de radar somem quando a foto entra, para nao poluir */
}

/* ---------------------------------------------------------------------
   Blocos de secao em cor cheia (estilo cartaz / campanha)
   --------------------------------------------------------------------- */
.band {
  padding: 4.5rem 0;
  position: relative;
  overflow: hidden;
}
.band h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.6rem);
  line-height: 1.08;
}
.band--teal   { background: linear-gradient(120deg, var(--obeca-teal) 0%, var(--obeca-teal-dark) 100%); color: #fff; }
.band--violet { background: linear-gradient(120deg, var(--obeca-sunset) 0%, var(--obeca-sunset-dark) 100%); color: #fff; }
.band--coral  { background: linear-gradient(120deg, var(--obeca-sunset-dark) 0%, var(--obeca-ember) 100%); color: #fff; }
.band--teal h2, .band--violet h2, .band--coral h2 { color: #fff; }
.band .eyebrow { color: rgba(255,255,255,.85); }
.band p.lead-band { font-size: 1.15rem; color: rgba(255,255,255,.92); max-width: 46ch; }

.band::after {
  content: "";
  position: absolute;
  right: -60px; bottom: -60px;
  width: 260px; height: 260px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.25);
}
.band::before {
  content: "";
  position: absolute;
  right: 20px; bottom: 20px;
  width: 160px; height: 160px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.35);
}

.band-stat {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
}
.band-stat-label {
  font-family: var(--font-mono);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255,255,255,.85);
}

.btn-band {
  background: #fff;
  color: var(--obeca-navy);
  font-weight: 700;
  border-radius: 999px;
  padding: .75rem 1.75rem;
  border: none;
}
.btn-band:hover { background: var(--obeca-yellow); color: var(--obeca-navy); }

/* ---------------------------------------------------------------------
   Cartoes de destaque (home) e cartoes de conteudo (materiais/biblioteca)
   --------------------------------------------------------------------- */
.card-destaque {
  border: 2px solid var(--obeca-navy);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  transition: transform .18s ease, box-shadow .18s ease;
  height: 100%;
}
.card-destaque:hover { transform: translateY(-6px) rotate(-0.4deg); box-shadow: var(--shadow-soft); }
.card-destaque img { aspect-ratio: 16/10; object-fit: cover; width: 100%; }
.card-destaque .card-body { padding: 1.35rem; }
.card-destaque .badge-tipo {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: var(--obeca-yellow);
  color: var(--obeca-navy);
  font-weight: 700;
  border-radius: 999px;
  padding: .3rem .7rem;
}
.card-destaque h3 { font-size: 1.2rem; margin-top: .65rem; }

.section-divider {
  border: none;
  height: 5px;
  width: 72px;
  background: var(--obeca-coral);
  border-radius: 3px;
  margin: .5rem 0 1.75rem;
}

/* ---------------------------------------------------------------------
   Botoes
   --------------------------------------------------------------------- */
.btn-obeca {
  background: var(--obeca-teal);
  border: 2px solid var(--obeca-navy);
  color: var(--obeca-navy);
  font-weight: 700;
  border-radius: 999px;
}
.btn-obeca:hover { background: var(--obeca-yellow); border-color: var(--obeca-navy); color: var(--obeca-navy); }

.btn-obeca-outline {
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
}
.btn-obeca-outline:hover { background: #fff; color: var(--obeca-navy); }

.btn-alerta {
  background: var(--obeca-coral);
  border: 2px solid var(--obeca-navy);
  color: #fff;
  font-weight: 700;
  border-radius: 999px;
}
.btn-alerta:hover { background: var(--obeca-coral-dark); color: #fff; }

/* ---------------------------------------------------------------------
   Rodape
   --------------------------------------------------------------------- */
.site-footer {
  background: linear-gradient(160deg, var(--obeca-ember) 0%, var(--obeca-sunset-dark) 35%, var(--obeca-teal-dark) 75%, var(--obeca-navy) 100%);
  color: rgba(255,255,255,.85);
  padding: 3.5rem 0 2rem;
  border-top: 5px solid var(--obeca-yellow);
}
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--obeca-yellow); }
.site-footer .footer-brand {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}
.footer-parceiro-logo {
  height: 34px;
  width: auto;
  opacity: .92;
}
@media (max-width: 575.98px) {
  .footer-parceiro-logo { height: 24px; }
}

/* ---------------------------------------------------------------------
   Paginas internas
   --------------------------------------------------------------------- */
.page-header {
  background: var(--obeca-navy);
  color: #fff;
  padding: 3rem 0;
}
.page-header .eyebrow { color: var(--obeca-yellow); }
.page-header h1 { color: #fff; }

.filtro-pill {
  border: 2px solid var(--obeca-navy);
  border-radius: 999px;
  padding: .35rem 1rem;
  font-size: .875rem;
  font-weight: 700;
  color: var(--obeca-navy);
  background: #fff;
}
.filtro-pill.active,
.filtro-pill:hover { background: var(--obeca-navy); color: #fff; }

.parceiro-logo {
  opacity: 1;
  transition: transform .2s ease;
  max-height: 56px;
  width: auto;
}
.parceiro-logo:hover { transform: translateY(-3px); }

.form-apoiador .form-control,
.form-apoiador .form-select {
  border-radius: var(--radius-sm);
  border: 2px solid var(--obeca-line);
}
.form-apoiador .form-control:focus,
.form-apoiador .form-select:focus {
  border-color: var(--obeca-teal);
  box-shadow: 0 0 0 .2rem rgba(0,179,159,.18);
}

@media (max-width: 767.98px) {
  .hero-observatorio { padding: 3.5rem 0 4rem; text-align: center; }
  .hero-observatorio::before { width: 480px; height: 480px; right: -30%; }
  .band { padding: 3rem 0; text-align: center; }
  .band::after, .band::before { display: none; }
}