/* ==========================================================================
   ICBC – Instituto Casa Brasileira de Cultura
   Folha de estilos principal
   Para mudar cores e fontes do site inteiro, edite apenas as variáveis abaixo.
   ========================================================================== */

:root {
  /* Cores da identidade (extraídas do logotipo) */
  --verde-claro: #6a9139;   /* verde-folha do logo */
  --verde: #355c2f;         /* verde principal do logo */
  --verde-escuro: #1f3a22;  /* fundos escuros */
  --verde-noite: #16291a;   /* rodapé */
  --salvia: #e7eedd;        /* fundos suaves */
  --creme: #f8f6ef;         /* fundo geral */
  --papel: #ffffff;
  --ocre: #b8913f;          /* acento discreto (patrimônio) */

  --texto: #1d2a1f;
  --texto-suave: #4f5e50;
  --borda: #dfe4d6;

  /* Tipografia */
  --fonte-titulo: "Fraunces", Georgia, "Times New Roman", serif;
  --fonte-texto: "Barlow", "Segoe UI", Arial, sans-serif;
  --fonte-marca: "Barlow Semi Condensed", "Arial Narrow", Arial, sans-serif;

  /* Medidas */
  --largura: 1180px;
  --raio: 14px;
  --raio-pequeno: 8px;
  --sombra: 0 1px 2px rgba(22, 41, 26, .05), 0 12px 32px -12px rgba(22, 41, 26, .18);
  --altura-topo: 76px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--altura-topo); }
body {
  margin: 0;
  font-family: var(--fonte-texto);
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--texto);
  background: var(--creme);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--verde); }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--largura); margin: 0 auto; padding: 0 24px; }

.pular {
  position: absolute; left: -999px; top: 8px; z-index: 100;
  background: var(--verde); color: #fff; padding: 8px 16px; border-radius: 6px;
}
.pular:focus { left: 8px; }

:focus-visible { outline: 3px solid var(--verde-claro); outline-offset: 3px; }

/* ---------- Tipografia de seção ---------- */
.secao { padding: clamp(72px, 10vw, 128px) 0; }

.rotulo {
  font-family: var(--fonte-marca);
  font-weight: 600;
  font-size: .85rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--verde-claro);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 12px;
}
.rotulo::before { content: ""; width: 28px; height: 2px; background: currentColor; }
.rotulo--claro { color: #a9c97c; }

.titulo {
  font-family: var(--fonte-titulo);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -.01em;
  color: var(--verde-escuro);
}
.intro { color: var(--texto-suave); max-width: 560px; margin-top: 18px; }

.cabecalho-secao { margin-bottom: 56px; }
.cabecalho-secao--linha {
  display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; flex-wrap: wrap;
}
.cabecalho-secao--linha .intro { margin: 0; max-width: 440px; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-family: var(--fonte-texto);
  font-weight: 600; font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background .25s, color .25s, border-color .25s, transform .25s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primario { background: var(--verde); color: #fff; }
.btn--primario:hover { background: var(--verde-escuro); }
.btn--secundario { border-color: var(--verde); color: var(--verde); background: transparent; }
.btn--secundario:hover { background: var(--verde); color: #fff; }
.btn--claro { background: #fff; color: var(--verde-escuro); }
.btn--claro:hover { background: var(--salvia); }
.btn--whatsapp { background: #1f8f4e; color: #fff; margin-top: 28px; }
.btn--whatsapp:hover { background: #16733d; }
.btn--whatsapp svg { width: 20px; height: 20px; fill: currentColor; }
.btn--largo { width: 100%; }

/* ---------- Logo ---------- */
.logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.logo img { width: 44px; height: 44px; }
.logo__texto {
  font-family: var(--fonte-marca);
  font-weight: 500;
  font-size: 1.05rem;
  line-height: 1.05;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--verde);
}
.logo--claro .logo__texto { color: #eef3e6; }

/* ---------- 1. Header ---------- */
.topo {
  position: fixed; inset: 0 0 auto; z-index: 50;
  height: var(--altura-topo);
  transition: background .3s, box-shadow .3s;
}
.topo.rolado {
  background: rgba(248, 246, 239, .92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--borda);
}
.topo__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }

.menu { display: flex; align-items: center; gap: 36px; }
.menu ul { display: flex; gap: 30px; }
.menu ul a {
  text-decoration: none; color: var(--texto); font-weight: 500; font-size: .98rem;
  position: relative; padding: 6px 0;
}
.menu ul a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--verde-claro); transition: width .25s;
}
.menu ul a:hover::after, .menu ul a.ativo::after { width: 100%; }
.menu__cta { padding: 10px 22px; }

.menu-toggle {
  display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.menu-toggle span { width: 24px; height: 2px; background: var(--verde-escuro); transition: transform .3s, opacity .3s; }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 2. Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: calc(var(--altura-topo) + 48px) 0 clamp(190px, 25vw, 330px);
  background:
    radial-gradient(ellipse 60% 50% at 85% 20%, rgba(106, 145, 57, .12), transparent 70%),
    radial-gradient(ellipse 50% 40% at 10% 80%, rgba(53, 92, 47, .08), transparent 70%),
    var(--creme);
  overflow: hidden;
}
.hero__inner { position: relative; z-index: 2; }
.selo {
  display: inline-block;
  font-family: var(--fonte-marca); font-weight: 600; font-size: .85rem;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--verde);
  padding: 8px 18px; border: 1px solid rgba(53, 92, 47, .25); border-radius: 999px;
  background: rgba(255, 255, 255, .6);
  margin-bottom: 28px;
}
.hero__titulo {
  font-family: var(--fonte-titulo);
  font-weight: 400;
  font-size: clamp(2.2rem, 5.4vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--verde-escuro);
  max-width: 980px;
}
.hero__titulo em { font-style: italic; color: var(--verde-claro); }
.hero__subtitulo {
  margin-top: 28px; max-width: 620px;
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--texto-suave);
}
.hero__botoes { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.hero__folhagem {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 1;
  width: 100%; height: clamp(160px, 21vw, 290px);
  object-fit: cover; object-position: center top;
  pointer-events: none;
}

/* ---------- 3. Sobre ---------- */
.sobre { background: var(--papel); }
.sobre__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 6vw, 96px); }
.sobre__cabeca { position: sticky; top: calc(var(--altura-topo) + 32px); align-self: start; }
.sobre__texto { color: var(--texto-suave); }
.sobre__texto .destaque {
  font-family: var(--fonte-titulo); font-size: clamp(1.25rem, 2vw, 1.5rem);
  line-height: 1.5; color: var(--verde-escuro);
}
.numeros {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--borda);
}
.numeros strong {
  display: block; font-family: var(--fonte-titulo); font-weight: 500;
  font-size: 2.4rem; color: var(--verde); line-height: 1.1;
}
.numeros span { font-size: .92rem; line-height: 1.45; display: block; margin-top: 6px; }

/* ---------- 5. Áreas de atuação ---------- */
.atuacao { background: var(--creme); }
.areas {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--borda); border-left: 1px solid var(--borda);
}
.area {
  padding: 40px 34px; border-right: 1px solid var(--borda); border-bottom: 1px solid var(--borda);
  transition: background .3s;
}
.area:hover { background: var(--papel); }
.area__icone {
  width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--salvia); margin-bottom: 22px;
  transition: background .3s;
}
.area:hover .area__icone { background: var(--verde); }
.area__icone svg {
  width: 26px; height: 26px; fill: none; stroke: var(--verde);
  stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: stroke .3s;
}
.area:hover .area__icone svg { stroke: #fff; }
.area h3 { font-family: var(--fonte-titulo); font-weight: 500; font-size: 1.35rem; color: var(--verde-escuro); margin-bottom: 10px; }
.area p { color: var(--texto-suave); font-size: .98rem; margin: 0; }

/* ---------- 6. Projetos ---------- */
.projetos { background: var(--papel); }
.projetos__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.projeto {
  display: grid; grid-template-columns: 2fr 3fr;
  border-radius: var(--raio); overflow: hidden;
  background: var(--creme); border: 1px solid var(--borda);
  transition: box-shadow .3s, transform .3s;
}
.projeto:hover { box-shadow: var(--sombra); transform: translateY(-4px); }
.projeto__arte, .projeto__img { min-height: 260px; width: 100%; height: 100%; object-fit: cover; }
.projeto__corpo { padding: 32px 30px; display: flex; flex-direction: column; align-items: flex-start; }
.projeto h3 { font-family: var(--fonte-titulo); font-weight: 500; font-size: 1.5rem; color: var(--verde-escuro); margin: 14px 0 10px; }
.projeto p { color: var(--texto-suave); font-size: .98rem; }
.tag {
  font-family: var(--fonte-marca); font-weight: 600; font-size: .75rem;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--verde); background: var(--salvia);
  padding: 4px 12px; border-radius: 999px;
}
.link-seta {
  margin-top: auto; font-weight: 600; text-decoration: none; color: var(--verde);
  display: inline-flex; align-items: center; gap: 8px;
}
.link-seta::after { content: "→"; transition: transform .25s; }
.link-seta:hover::after { transform: translateX(4px); }

/* Artes ilustrativas dos projetos (substitua por fotos quando houver) */
.projeto__arte { background-repeat: no-repeat; background-position: center; background-size: 70% auto, cover; }
.arte--patrimonio {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 100' fill='none' stroke='%23f2ead2' stroke-width='2'%3E%3Cpath d='M10 40L60 12l50 28z'/%3E%3Cpath d='M18 46h84M18 88h84M10 94h100'/%3E%3Cpath d='M28 50v34M46 50v34M74 50v34M92 50v34'/%3E%3Cpath d='M54 88V66a6 6 0 0 1 12 0v22'/%3E%3C/svg%3E"),
    linear-gradient(160deg, #a37d34, #6e5222);
}
.arte--ambiente {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 100' fill='none' stroke='%23e7eedd' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M60 95V40'/%3E%3Cpath d='M60 40C60 20 75 8 98 6c0 24-14 36-38 34z'/%3E%3Cpath d='M60 58c0-16-12-28-36-28 0 20 12 30 36 28z'/%3E%3Cpath d='M60 40l22-20M60 58L38 42M20 95h80'/%3E%3C/svg%3E"),
    linear-gradient(160deg, var(--verde-claro), var(--verde));
}
.arte--esporte {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 100' fill='none' stroke='%23e7eedd' stroke-width='2'%3E%3Ccircle cx='60' cy='50' r='34'/%3E%3Cpath d='M60 34l15 11-6 18H51l-6-18z'/%3E%3Cpath d='M60 16v18M75 45l18-6M69 63l10 16M51 63L41 79M45 45l-18-6'/%3E%3C/svg%3E"),
    linear-gradient(160deg, #2d5a3b, var(--verde-escuro));
}
.arte--cultura {
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 100' fill='none' stroke='%23f2ead2' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M44 78V22l46-8v56'/%3E%3Ccircle cx='34' cy='78' r='10'/%3E%3Ccircle cx='80' cy='70' r='10'/%3E%3Cpath d='M44 36l46-8'/%3E%3C/svg%3E"),
    linear-gradient(160deg, #5f7f3a, #3f5a2a);
}

/* ---------- 7. Apoio ---------- */
.apoio {
  position: relative;
  padding: clamp(80px, 11vw, 140px) 0;
  background:
    radial-gradient(ellipse 70% 60% at 100% 0%, rgba(106, 145, 57, .35), transparent 70%),
    var(--verde-escuro);
  color: #dfe8d6;
  overflow: hidden;
}
.apoio::after {
  /* folha decorativa discreta */
  content: ""; position: absolute; right: -60px; bottom: -80px; width: 420px; height: 420px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' fill='none' stroke='%23a9c97c' stroke-opacity='.18' stroke-width='.8'%3E%3Cpath d='M10 90C10 40 40 10 90 10 90 60 60 90 10 90z'/%3E%3Cpath d='M10 90L90 10M30 70h22M30 70V48M50 50h22M50 50V28'/%3E%3C/svg%3E") no-repeat center / contain;
  pointer-events: none;
}
.apoio__inner { position: relative; z-index: 1; }
.apoio__titulo {
  font-family: var(--fonte-titulo); font-weight: 400;
  font-size: clamp(1.8rem, 3.6vw, 2.9rem); line-height: 1.2;
  color: #fff; max-width: 900px;
}
.apoio__formas {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  margin: 56px 0 48px; padding-top: 40px; border-top: 1px solid rgba(255, 255, 255, .15);
}
.apoio__formas h3 { font-family: var(--fonte-titulo); font-weight: 500; font-size: 1.25rem; color: #fff; margin-bottom: 8px; }
.apoio__formas p { margin: 0; font-size: .98rem; color: #c3d2b8; }

/* ---------- 8. Contato ---------- */
.contato { background: var(--creme); }
.contato__grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(40px, 6vw, 88px); align-items: start; }
.contato__lista { margin-top: 36px; display: grid; gap: 22px; }
.contato__lista li { display: flex; gap: 16px; align-items: flex-start; }
.contato__lista svg {
  flex: none; width: 44px; height: 44px; padding: 11px; border-radius: 50%;
  background: var(--salvia); fill: none; stroke: var(--verde); stroke-width: 1.7;
  stroke-linecap: round; stroke-linejoin: round;
}
.contato__lista span {
  display: block; font-family: var(--fonte-marca); font-weight: 600; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--verde-claro);
}
.contato__lista a, .contato__lista p { color: var(--texto); text-decoration: none; margin: 0; font-weight: 500; }
.contato__lista a:hover { color: var(--verde); }


.form {
  background: var(--papel); border-radius: var(--raio); padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--sombra); display: grid; gap: 18px;
}
.form h3 { font-family: var(--fonte-titulo); font-weight: 500; font-size: 1.6rem; color: var(--verde-escuro); margin-bottom: 4px; }
.form__linha { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--texto); }
.form label > span { display: flex; gap: 6px; align-items: baseline; }
.form label small { font-weight: 400; color: var(--texto-suave); }
.form input, .form select, .form textarea {
  font: inherit; font-weight: 400; font-size: 1rem; color: var(--texto);
  padding: 12px 14px; border: 1px solid var(--borda); border-radius: var(--raio-pequeno);
  background: var(--creme); transition: border-color .2s, background .2s; width: 100%;
}
.form textarea { resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus {
  outline: none; border-color: var(--verde-claro); background: #fff;
  box-shadow: 0 0 0 3px rgba(106, 145, 57, .15);
}
.form .invalido { border-color: #b4472f; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form__status { margin: 0; font-size: .95rem; min-height: 1.5em; }
.form__status.ok { color: var(--verde); }
.form__status.erro { color: #b4472f; }

/* ---------- 9. Rodapé ---------- */
.rodape { background: var(--verde-noite); color: #b9c7af; padding-top: 72px; font-size: .96rem; }
.rodape__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; padding-bottom: 56px; }
.rodape__marca p { margin-top: 20px; max-width: 380px; }
.rodape h4 {
  font-family: var(--fonte-marca); font-weight: 600; font-size: .85rem;
  letter-spacing: .16em; text-transform: uppercase; color: #fff; margin-bottom: 18px;
}
.rodape ul { display: grid; gap: 10px; }
.rodape a { color: #b9c7af; text-decoration: none; }
.rodape a:hover { color: #fff; }
.rodape__base {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-top: 24px; padding-bottom: 28px; border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: .88rem;
}
.rodape__base p { margin: 0; }

/* ---------- Animação de entrada ---------- */
/* só esconde quando o JavaScript está ativo (sem JS, tudo aparece normalmente) */
.js .revelar { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
.js .revelar.visivel { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .revelar { opacity: 1; transform: none; transition: none; }
  .btn:hover, .projeto:hover { transform: none; }
}

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (max-width: 1024px) {
  .areas { grid-template-columns: repeat(2, 1fr); }
  .projetos__grid { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  :root { --altura-topo: 68px; }

  .menu-toggle { display: flex; }
  .menu {
    position: fixed; top: var(--altura-topo); left: 0; right: 0;
    height: calc(100vh - var(--altura-topo)); height: calc(100dvh - var(--altura-topo));
    flex-direction: column; align-items: stretch; justify-content: flex-start; gap: 24px;
    padding: 32px 24px; background: var(--creme);
    transform: translateX(100%); visibility: hidden;
    transition: transform .35s ease, visibility .35s;
  }
  .menu.aberto { transform: none; visibility: visible; }
  .menu ul { flex-direction: column; gap: 0; }
  .menu ul a {
    display: block; padding: 16px 0; border-bottom: 1px solid var(--borda);
    font-family: var(--fonte-titulo); font-size: 1.5rem; color: var(--verde-escuro);
  }
  .menu ul a::after { display: none; }
  .menu__cta { padding: 14px 28px; }
  body.menu-aberto { overflow: hidden; }
  .topo.menu-ativo { background: var(--creme); }

  .sobre__grid, .contato__grid { grid-template-columns: 1fr; }
  .sobre__cabeca { position: static; }
  .apoio__formas { grid-template-columns: 1fr; gap: 24px; }
  .rodape__grid { grid-template-columns: 1fr 1fr; }
  .rodape__marca { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .hero__botoes .btn { flex: 1 1 100%; }
  .numeros { grid-template-columns: 1fr; gap: 18px; }
  .areas { grid-template-columns: 1fr; }
  .area { padding: 32px 24px; }
  .projeto { grid-template-columns: 1fr; }
  .projeto__arte, .projeto__img { min-height: 180px; }
  .form__linha { grid-template-columns: 1fr; }
  .rodape__grid { grid-template-columns: 1fr; gap: 36px; }
  .cabecalho-secao { margin-bottom: 40px; }
}