:root {
  --portal-azul: #002f5f;
  --portal-verde: #1f5f3a;
  --portal-verde-escuro: #143d28;
  --portal-verde-claro: #2f7d4f;
  --portal-laranja: #ff4b0b;

  --portal-fundo: #f5f7fb;
  --portal-card: #eeeeee;
  --portal-card-hover: #f7f7f7;

  --portal-texto-suave: #64748b;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

.portal-body {
  min-height: 100vh;
  margin: 0;
  display: flex;
  flex-direction: column;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background:
    radial-gradient(
      circle at top left,
      rgba(31, 95, 58, 0.12),
      transparent 34%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(255, 75, 11, 0.07),
      transparent 32%
    ),
    var(--portal-fundo);
}

/* =========================
   Layout geral
========================= */

.portal-layout {
  flex: 1;
  padding-top: 18px;
  padding-bottom: 24px;
}

/* =========================
   Hero
========================= */

.portal-hero {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  padding: 50px 42px 76px;
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(20, 61, 40, 0.98), rgba(31, 95, 58, 0.94)),
    linear-gradient(90deg, var(--portal-verde), var(--portal-verde-claro));
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

.portal-hero::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -90px;
  top: -120px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.portal-hero h1 {
  position: relative;
  z-index: 2;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
  font-weight: 850;
  letter-spacing: -0.04em;
}

.portal-hero p {
  position: relative;
  z-index: 2;
  max-width: 560px;
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
}

/* =========================
   Cards
========================= */

.portal-sistemas {
  position: relative;
  z-index: 5;
  margin-top: -38px;
}

.card-sistema {
  --card-cor-principal: #002f5f;
  --card-cor-hover-rgb: 255, 75, 11;
  --card-linha: #ff4b0b;
  --card-fundo: var(--portal-card);
  --card-fundo-hover: var(--portal-card-hover);

  min-height: 265px;
  padding: 28px 22px 24px;
  border-radius: 8px;
  background: var(--card-fundo);
  color: var(--card-cor-principal);
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
  transition:
    transform 0.22s ease,
    background-color 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

.card-sistema:hover {
  transform: translateY(-6px);
  background: var(--card-fundo-hover);
  color: var(--card-cor-principal);
  border-color: rgba(var(--card-cor-hover-rgb), 0.35);
  box-shadow: 0 22px 48px rgba(15, 23, 42, 0.14);
}

.card-sistema-icone {
  width: 104px;
  height: 104px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
}

.card-sistema-icone::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  border: 10px solid var(--card-cor-principal);
  border-right-color: transparent;
}

.card-sistema-icone i {
  position: relative;
  z-index: 2;
  font-size: 2rem;
  color: var(--card-cor-principal);
}

.card-sistema-linha {
  width: 100%;
  height: 3px;
  margin-bottom: 16px;
  background: var(--card-linha);
}

.card-sistema-texto {
  text-align: center;
}

.card-sistema-texto h2 {
  margin: 0;
  color: var(--card-cor-principal);
  font-size: 1.16rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-sistema-texto p {
  max-width: 250px;
  margin: 10px auto 0;
  color: var(--portal-texto-suave);
  font-size: 0.88rem;
  line-height: 1.45;
}

/* =========================
   Tema Voluntários
========================= */

.card-sistema--voluntarios {
  --card-cor-principal: #002f5f;
  --card-cor-hover-rgb: 255, 75, 11;
  --card-linha: #ff4b0b;
}

/* =========================
   Tema FUNDEC
========================= */

.card-sistema--fundec {
  --card-cor-principal: #174b32;
  --card-cor-hover-rgb: 23, 75, 50;
  --card-linha: linear-gradient(
    90deg,
    #b71921 0%,
    #d8c600 48%,
    #00833e 100%
  );
}

/* =========================
   Rodapé full width
========================= */

.portal-rodape {
  width: 100%;
  margin-top: auto;
  padding: 16px 0;
  background: rgba(255, 255, 255, 0.9);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.portal-rodape-conteudo {
  min-height: 38px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
}

.portal-rodape-esquerda {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-width: 0;
}

.portal-rodape-logo {
  max-height: 42px;
  max-width: 170px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}

.portal-rodape-centro {
  text-align: center;
}

.portal-rodape-centro strong {
  display: block;
  font-size: 0.8rem;
  line-height: 1.2;
  font-weight: 800;
  color: #3f4c48;
}

.portal-rodape-centro span {
  display: block;
  margin-top: 3px;
  font-size: 0.7rem;
  line-height: 1.25;
  font-weight: 600;
  color: #66736f;
}

.portal-rodape-direita {
  text-align: right;
}

.portal-rodape-direita span {
  display: block;
  font-size: 0.72rem;
  line-height: 1.25;
  font-weight: 700;
  color: #66736f;
}

/* =========================
   Responsivo
========================= */

@media (max-width: 768px) {
  .portal-layout {
    padding-top: 12px;
    padding-bottom: 20px;
  }

  .portal-hero {
    padding: 42px 24px 68px;
    border-radius: 18px;
  }

  .portal-sistemas {
    margin-top: -34px;
  }

  .card-sistema {
    min-height: 235px;
    padding: 22px 20px 20px;
  }

  .card-sistema-icone {
    width: 88px;
    height: 88px;
  }

  .card-sistema-icone::before {
    border-width: 9px;
  }

  .card-sistema-icone i {
    font-size: 1.8rem;
  }

  .card-sistema-texto h2 {
    font-size: 1.05rem;
  }

  .card-sistema-texto p {
    font-size: 0.84rem;
  }

  .portal-rodape {
    padding: 14px 0;
  }

  .portal-rodape-conteudo {
    grid-template-columns: 1fr;
    gap: 7px;
    text-align: center;
  }

  .portal-rodape-esquerda {
    justify-content: center;
  }

  .portal-rodape-logo {
    max-height: 34px;
    max-width: 150px;
  }

  .portal-rodape-direita {
    text-align: center;
  }

  .portal-rodape-centro strong {
    font-size: 0.76rem;
  }

  .portal-rodape-centro span,
  .portal-rodape-direita span {
    font-size: 0.66rem;
  }
}

@media (max-width: 420px) {
  .portal-hero {
    padding: 36px 20px 62px;
  }

  .portal-hero h1 {
    font-size: 2rem;
  }

  .portal-hero p {
    font-size: 0.92rem;
  }

  .card-sistema {
    border-radius: 7px;
  }
}