/* =========================
   1. VARIÁVEIS GLOBAIS (Design System)
   ========================= */
:root {
  --cor-primaria: #885837;
  --cor-secundaria: #D2B48C;
  --cor-destaque: #bf876c;
  --cor-fundo: #F5EDE0;
  --cor-texto: #3E2723;
  --cor-branca: #FFFFFF;
  --cor-neutra-clara: #e0e0f0;
  --cor-neutra-escura: #2c3e50;
  --cor-alerta: #e74c3c;
  --cor-foco-acessivel: #ffcc00;

  /* Tipografia */
  --font-md: 2.0625rem;
  --font-lg: 2.625rem;
  --font-xl: 4.375rem;

  /* Espaçamento Modular */
  --space-8: 0.5rem;
  --space-16: 1rem;
  --space-24: 1.5rem;
  --space-32: 2rem;
  --space-48: 3rem;
  --space-64: 4rem;
}

/* =========================
   2. ESTILOS GERAIS (Base)
   ========================= */
body {
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  padding: 0;
  width: 100%;
  color: var(--cor-texto);
  background: linear-gradient(135deg, var(--cor-fundo) 0%, var(--cor-secundaria) 40%, var(--cor-primaria) 100%);
  background-attachment: fixed;
  text-align: center;
  overflow-x: hidden;
  font-size: 16px;
}

h1 {
  font-size: var(--font-xl);
  margin-top: var(--space-48);
  margin-bottom: var(--space-24);
}

h2 {
  font-size: var(--font-lg);
  margin-top: var(--space-32);
  margin-bottom: var(--space-16);
}

h3 {
  font-size: var(--font-md);
  margin-top: var(--space-24);
  margin-bottom: var(--space-8);
}

main p,
section p,
footer p:not(footer p) {
  font-size: 16px;
  flex-shrink: 0;
  margin-top: var(--space-16);
  margin-bottom: var(--space-16);
  margin-left: 0;
  margin-right: 0;
}

footer p {
  font-size: 14px;
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

/* =========================
   3. HEADER / NAVEGAÇÃO
   ========================= */

header {
  display: block;
  padding: 0;
  margin: 0;
}

.coluna {
  width: 100%;
  margin: 0;
  padding: 0;
}

.coluna img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  display: block;
}

.header-fixo {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: var(--space-16) var(--space-32);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(4px);
  color: var(--cor-destaque);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header-fixo h1 {
  font-size: var(--font-lg);
  flex-shrink: 0;
  min-width: 0;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-24);
  padding: 0;
  margin: 0;
  justify-content: center;
}

nav ul li a {
  font-size: 1rem;
  padding: var(--space-8) var(--space-16);
  text-decoration: none;
  color: var(--cor-primaria);
  border-radius: var(--space-8);
  font-weight: bold;
  transition: background-color 0.3s, box-shadow 0.2s;
}

#btn-contraste {
  border: 2px solid var(--cor-foco-acessivel);
  background-color: var(--cor-branca);
  color: var(--cor-texto);
  font-size: 0.875rem;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--space-8);
  transition: background-color 0.2s, color 0.2s, transform 0.15s;
  cursor: pointer;
}

nav ul li {
  position: relative;
}

nav ul li:hover .submenu,
nav ul li:focus-within .submenu {
  display: flex;
}

nav ul li .submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--cor-secundaria);
  border-radius: 10px;
  min-width: 150px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  flex-direction: column;
  padding: var(--space-8) 0;
}

nav ul li .submenu a {
  color: var(--cor-primaria);
  background-color: transparent;
  padding: var(--space-8) var(--space-16);
  font-size: 0.875rem;
  width: 100%;
  box-sizing: border-box;
}

#hamburguer {
  display: none;
  font-size: var(--font-lg);
  background: none;
  border: none;
  color: var(--cor-texto);
  cursor: pointer;
  z-index: 1000;
}

/* =========================
   4. MAIN / CONTEÚDO
   ========================= */
main {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: block;
}

section {
  padding: var(--space-32) var(--space-48);
  text-align: left;
  display: flow-root;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background-color: var(--cor-primaria);
  color: var(--cor-destaque);
  border-radius: 0.25rem;
  font-size: 0.875rem;
  margin-right: var(--space-8);
  font-weight: bold;
}

.badge.destaque {
  background-color: var(--cor-destaque);
}

/* =========================
   5. FORMULÁRIO
   ========================= */
.form-container {
  display: flex;
  justify-content: center;
  padding: var(--space-32) var(--space-16);
  width: 100%;
}

.form_box {
  background-color: var(--cor-branca);
  border-radius: var(--space-16);
  width: 100%;
  max-width: 1400px;
  padding: var(--space-32);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

input,
select,
textarea {
  width: 100%;
  padding: var(--space-8);
  margin: var(--space-8) 0;
  border: 2px solid var(--cor-texto);
  outline: none;
  border-radius: var(--space-8);
  background-color: var(--cor-fundo);
  font-size: 16px;
  min-width: 0;
}

button[type="submit"] {
  background-color: var(--cor-destaque);
  color: var(--cor-texto);
  padding: var(--space-16) var(--space-32);
  border: none;
  border-radius: 12px;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s, box-shadow 0.2s;
}

/* Grid do formulário */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

/* Estilos de rádio/checkboxes */
.disponibilidade {
  border: 1px solid var(--cor-neutra-clara);
  padding: var(--space-16);
  border-radius: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.disponibilidade legend {
  font-weight: bold;
  padding: 0 var(--space-8);
}

.disponibilidade label {
  display: inline-flex;
  align-items: center;
  margin-right: var(--space-8);
  font-size: 16px;
}

/* =========================
   6. CARDS
   ========================= */
.cards-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-24);
  padding: var(--space-32) var(--space-48);
  width: 100%;
  box-sizing: border-box;
}

.card {
  display: flex;
  flex-direction: column;
  text-align: center;
  height: 100%;
  background-color: var(--cor-branca);
  border-radius: var(--space-16);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: var(--space-24);
  transition: transform 0.3s, box-shadow 0.3s;
  max-width: 700px;
  width: 100%;
  box-sizing: border-box;
}

.card img {
  height: 200px;
  width: 100%;
  border-radius: var(--space-16) var(--space-16) 0 0;
  object-fit: cover;
}

.card .content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
  min-height: 0;
}

/* =========================
   7. SEÇÕES HORIZONTAIS
   ========================= */
.horizontal-section {
  position: relative;
  width: 100vw;
  margin: 0;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: var(--space-48) var(--space-64);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top 30%;
  min-height: 25vw;
  box-sizing: border-box;
}

.horizontal-section .texto-lado {
  min-width: 0;
  flex-shrink: 0;
  flex-grow: 0;
  padding: var(--space-24);
  z-index: 10;
  color: var(--cor-branca);
  text-align: left;
  background-color: rgba(62, 39, 35, 0.75);
  border-radius: var(--space-16);
  max-width: 600px;
  overflow: hidden;
}

.horizontal-section .texto-lado h2,
.horizontal-section .texto-lado p {
  flex-shrink: 0;
  min-width: 0;
  color: var(--cor-branca);
  margin-top: 0;
}

.horizontal-section .texto-lado p {
  margin-bottom: 0;
}

.bloco-doacao {
  background-color: var(--cor-neutra-clara);
  border-radius: var(--space-8);
  padding: var(--space-24);
  margin: var(--space-24) 0;
  text-align: left;
}

.bloco-doacao h3,ul {
  margin-top: 0;
  color: var(--cor-texto);
  font-size: 1.5rem;
}

/* =========================
   8. BOTÕES
   ========================= */

.botao-centralizado {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: var(--space-48) 0;
  width: 100%;
}

.botao-voluntario,
.card a.botao-voluntario {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: var(--space-16) var(--space-32);
  font-size: 1rem;
  min-width: 250px;
  background-color: var(--cor-secundaria);
  color: var(--cor-texto);
  border-radius: 10px;
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 5px 0 var(--cor-primaria);
  transition: all 0.2s, box-shadow 0.3s;
  cursor: pointer;
  margin-top: var(--space-16);
}


/* =========================
   9. RESPONSIVIDADE / BREAKPOINTS
   ========================= */

@media (max-width: 576px) {
  section {
    padding: var(--space-24) var(--space-16);
  }

  .horizontal-section .texto-lado h2 {
    font-size: var(--font-md);
  }

  .header-fixo h1 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .header-fixo {
    position: relative;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-16) var(--space-24);
    height: auto;
    min-height: 80px;
  }

  #btn-contraste {
    position: absolute;
    top: var(--space-16);
    right: var(--space-24);
    margin-top: 0;
    align-self: unset;
    z-index: 1001;
  }

  nav {
    width: 100%;
    margin-top: var(--space-16);
  }

  nav ul {
    flex-direction: column;
    display: none;
    width: 100%;
    gap: var(--space-8);
    padding-top: var(--space-8);
  }

  nav.menu-aberto ul {
    display: flex;
    text-align: left;
  }

  #hamburguer {
    display: block;
    position: absolute;
    right: calc(var(--space-24) + 120px);
    top: var(--space-16);
    color: var(--cor-texto);
    font-size: var(--font-lg);
    z-index: 1001;
  }

  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }

  .cards-container {
    padding: var(--space-24) var(--space-16);
  }

  .horizontal-section {
    height: auto;
    min-height: 40vw;
    padding: var(--space-32) var(--space-24);
  }

  .horizontal-section .texto-lado {
    max-width: 100%;
    padding: var(--space-16);
  }
}

@media (min-width: 992px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-24);
  }
}


/* =========================
   10. ACESSIBILIDADE: MODO ESCURO / ALTO CONTRASTE
   ========================= */

body.modo-escuro {
  background-color: #121212 !important;
  color: #f1f1f1 !important;
  background: #121212 !important;
}

body.modo-escuro .header-fixo,
body.modo-escuro footer,
body.modo-escuro .card,
body.modo-escuro .form_box {
  background-color: #1e1e1e !important;
  color: #f1f1f1 !important;
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.05);
}

body.modo-escuro .coluna {
  background-color: #1e1e1e !important;
}

body.modo-escuro a,
body.modo-escuro nav a {
  color: #f1f1f1 !important;
}

body.modo-escuro nav a:hover,
body.modo-escuro nav a:focus,
body.modo-escuro nav .botao:hover,
body.modo-escuro nav .botao:focus {
  color: #121212 !important;
  background-color: var(--cor-foco-acessivel) !important;
  outline: none;
  box-shadow: 0 0 0 3px var(--cor-foco-acessivel);
}

body.modo-escuro input,
body.modo-escuro select,
body.modo-escuro textarea {
  background-color: #333333 !important;
  color: #f1f1f1 !important;
  border-color: #555555 !important;
}

body.modo-escuro input:focus,
body.modo-escuro select:focus,
body.modo-escuro textarea:focus {
  border-color: var(--cor-foco-acessivel) !important;
  box-shadow: 0 0 6px var(--cor-foco-acessivel) !important;
}

body.modo-escuro button[type="submit"],
body.modo-escuro .botao-voluntario {
  background-color: var(--cor-foco-acessivel) !important;
  color: #121212 !important;
  box-shadow: none !important;
}

body.modo-escuro button[type="submit"]:hover,
body.modo-escuro .botao-voluntario:hover {
  background-color: #ffa500 !important;
  color: (var(--cor-branca) )!important;
}