:root {
  --marrom: #5a3d2b;
  --preto: #1a1512;
  --terra: #c08457;
  --terra-esc: #a86b41;
  --papel: #f6f2ea;
  --creme: #efe9dd;
  --carvao: #2e2a26;
  --muted: #7c7367;
  --linha: #d8cfbf;
  --claro: #f3ece2;
  --claro-suave: #cdbfae;
  --ok: #4f7a52;
  --erro: #b4534e;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--carvao);
  background: var(--creme);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Helvetica,
    Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 22px;
}

/* ---------- TOPO (escuro, com curvas) ---------- */
.topo {
  position: relative;
  overflow: hidden;
  color: var(--claro);
  background: radial-gradient(
      circle at 82% -6%,
      rgba(192, 132, 87, 0.28),
      transparent 44%
    ),
    radial-gradient(circle at 8% 108%, rgba(90, 61, 43, 0.5), transparent 46%),
    linear-gradient(158deg, var(--marrom) 0%, #3c2a1e 48%, var(--preto) 100%);
}
.topo::before,
.topo::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.topo::before {
  width: 420px;
  height: 420px;
  top: -160px;
  right: -140px;
  background: radial-gradient(
    circle at 42% 42%,
    rgba(192, 132, 87, 0.2),
    transparent 68%
  );
}
.topo::after {
  width: 360px;
  height: 360px;
  bottom: -170px;
  left: -130px;
  background: radial-gradient(
    circle at 55% 40%,
    rgba(0, 0, 0, 0.38),
    transparent 66%
  );
}
.topo .container {
  position: relative;
  z-index: 1;
  padding-top: 34px;
  padding-bottom: 46px;
  text-align: center;
}

.logo-bartzen {
  height: 44px;
  width: auto;
  color: #fff;
  display: block;
  margin: 0 auto 26px;
}
.topo h1 {
  font-family: Georgia, 'Times New Roman', serif;
  font-weight: 600;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.25;
  margin: 0 0 14px;
  color: #fff;
}
.topo .lead {
  color: var(--claro-suave);
  font-size: 17px;
  max-width: 620px;
  margin: 0 auto 26px;
}
.cta-topo {
  display: inline-block;
  background: var(--terra-esc);
  color: #fff8f0;
  text-decoration: none;
  padding: 14px 30px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 16px;
  transition: background 0.15s;
}
.cta-topo:hover {
  background: var(--terra);
}
.selo-k1 {
  margin-top: 26px;
  font-size: 12.5px;
  color: var(--claro-suave);
  letter-spacing: 0.06em;
  opacity: 0.9;
}

/* ---------- SEÇÕES ---------- */
section {
  padding: 56px 0;
}
h2 {
  font-family: Georgia, serif;
  font-size: clamp(22px, 3vw, 30px);
  color: var(--carvao);
  margin: 0 0 10px;
  text-align: center;
  font-weight: 600;
}
.sub {
  color: var(--muted);
  text-align: center;
  max-width: 620px;
  margin: 0 auto 34px;
  font-size: 16px;
}

.sobre {
  background: var(--papel);
}
.sobre p {
  max-width: 760px;
  margin: 0 auto 16px;
  color: #4a443c;
  font-size: 16.5px;
}
.numeros {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  margin-top: 34px;
}
.num {
  flex: 1 1 180px;
  max-width: 230px;
  background: #fff;
  border: 1px solid var(--linha);
  border-radius: 14px;
  padding: 20px 16px;
  text-align: center;
}
.num b {
  display: block;
  font-family: Georgia, serif;
  font-size: 26px;
  color: var(--terra-esc);
  margin-bottom: 4px;
}
.num span {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.45;
}

.ambientes .grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-top: 8px;
}
.amb {
  background: var(--papel);
  border: 1px solid var(--linha);
  border-radius: 14px;
  padding: 18px 16px;
}
.amb h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--carvao);
}
.amb p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.5;
}

.difs {
  background: var(--papel);
}
.difs .grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}
.dif {
  background: #fff;
  border: 1px solid var(--linha);
  border-radius: 14px;
  padding: 20px;
}
.dif h3 {
  margin: 0 0 6px;
  font-size: 16px;
  color: var(--carvao);
  display: flex;
  align-items: center;
  gap: 8px;
}
.dif h3 span {
  color: var(--terra-esc);
  font-size: 19px;
}
.dif p {
  margin: 0;
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- FORMULÁRIO ---------- */
.form-sec {
  color: var(--claro);
  background: radial-gradient(
      circle at 15% 0%,
      rgba(192, 132, 87, 0.2),
      transparent 42%
    ),
    linear-gradient(160deg, #3c2a1e 0%, var(--preto) 100%);
}
.form-sec h2,
.form-sec .sub {
  color: #fff;
}
.form-sec .sub {
  color: var(--claro-suave);
}
.card {
  max-width: 560px;
  margin: 0 auto;
  background: var(--papel);
  border-radius: 20px;
  padding: 26px 24px;
  color: var(--carvao);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin: 0 0 6px;
}
.hint {
  font-weight: 400;
  color: var(--muted);
}
.field {
  margin-bottom: 16px;
}
.row2 {
  display: flex;
  gap: 12px;
}
.row2 > div {
  flex: 1;
}
input[type='text'],
input[type='tel'],
select {
  width: 100%;
  background: #fff;
  border: 1px solid var(--linha);
  color: var(--carvao);
  padding: 12px 13px;
  border-radius: 11px;
  font-size: 15px;
  font-family: inherit;
}
input:focus,
select:focus {
  outline: none;
  border-color: var(--terra-esc);
  box-shadow: 0 0 0 3px rgba(192, 132, 87, 0.18);
}
select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' stroke='%237c7367' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 34px;
}
.lgpd {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 6px 0 18px;
}
.lgpd input {
  margin-top: 3px;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: var(--terra-esc);
}
.lgpd label {
  font-size: 13px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.5;
  margin: 0;
}
.lgpd a {
  color: var(--terra-esc);
}
.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.btn {
  width: 100%;
  border: 0;
  cursor: pointer;
  background: var(--terra-esc);
  color: #fff8f0;
  padding: 15px 18px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  transition: background 0.15s;
}
.btn:hover {
  background: var(--terra);
}
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.msg {
  margin-top: 14px;
  font-size: 14px;
  padding: 11px 13px;
  border-radius: 11px;
  display: none;
}
.msg.show {
  display: block;
}
.msg.erro {
  background: rgba(180, 83, 78, 0.1);
  border: 1px solid var(--erro);
  color: var(--erro);
}
.sucesso {
  text-align: center;
  padding: 10px 4px;
}
.sucesso .selo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto 14px;
  background: rgba(79, 122, 82, 0.12);
  border: 1.5px solid var(--ok);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 29px;
  color: var(--ok);
}
.sucesso h3 {
  font-family: Georgia, serif;
  font-size: 21px;
  margin: 0 0 8px;
}
.sucesso p {
  color: var(--muted);
  font-size: 15px;
  margin: 0;
}

/* ---------- RODAPÉ ---------- */
footer {
  background: var(--preto);
  color: var(--claro-suave);
  padding: 40px 0 28px;
  font-size: 14px;
}
.foot-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
  margin-bottom: 26px;
}
.foot-col {
  flex: 1 1 240px;
}
.foot-col h4 {
  color: #fff;
  font-size: 14px;
  margin: 0 0 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.foot-col p,
.foot-col a {
  margin: 0 0 6px;
  color: var(--claro-suave);
  text-decoration: none;
  display: block;
  line-height: 1.6;
}
.foot-col a:hover {
  color: #fff;
}
.credito {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--claro-suave);
}
.logo-cc {
  height: 22px;
  width: auto;
  color: var(--claro-suave);
  flex-shrink: 0;
}

@media (max-width: 600px) {
  .row2 {
    flex-direction: column;
    gap: 0;
  }
  section {
    padding: 44px 0;
  }
}