:root {
  --cream: #F7F1E6;
  --cream-2: #EFE6D6;
  --ink: #241C14;
  --ink-soft: #4A4038;
  --sage: #6E8B6B;
  --sage-dark: #4F6B4D;
  --teal: #1F4E4A;
  --terracotta: #B8683C;
  --gold: #C9A227;
  --radius: 18px;
  --serif: 'Fraunces', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0 0 .5em; color: var(--ink); }

p { margin: 0 0 1em; color: var(--ink-soft); }

a { color: inherit; text-decoration: none; }

.eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: .8em;
}
.eyebrow--center { text-align: center; }

.section-title {
  text-align: center;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2.5rem;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem clamp(1.2rem, 5vw, 4rem);
  background: rgba(247, 241, 230, .88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(36, 28, 20, .08);
}
.brand { display: flex; align-items: center; gap: .6rem; }
.brand__mark { width: 34px; height: 34px; border-radius: 50%; }
.brand__name {
  font-family: var(--serif);
  font-weight: 600;
  letter-spacing: .04em;
  font-size: 1.15rem;
}
.nav__links { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); font-size: .92rem; font-weight: 500; }
.nav__links a { opacity: .85; transition: opacity .2s; }
.nav__links a:hover { opacity: 1; }
.nav__cta {
  background: var(--teal);
  color: var(--cream) !important;
  padding: .55rem 1.2rem;
  border-radius: 999px;
  opacity: 1 !important;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: .85rem 1.7rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
  border: 1.5px solid transparent;
}
.btn--primary { background: var(--terracotta); color: #fff; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(184, 104, 60, .35); }
.btn--ghost { border-color: rgba(247, 241, 230, .6); color: #fff; }
.btn--ghost:hover { background: rgba(255,255,255,.12); }
.btn--outline { border-color: var(--teal); color: var(--teal); }
.btn--outline:hover { background: var(--teal); color: #fff; }

/* Hero */
.hero {
  position: relative;
  min-height: 94vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 20%;
  transform: scale(1.25);
  will-change: transform;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(31,20,14,.35) 0%, rgba(20,14,10,.55) 55%, rgba(15,11,8,.88) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 4rem clamp(1.2rem, 5vw, 4rem) 4.5rem;
  max-width: 880px;
}
.hero__content .eyebrow { color: var(--gold); }
.hero h1 {
  color: #fff;
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  line-height: 1.16;
  margin-bottom: .5em;
}
.hero__sub { color: rgba(255,255,255,.88); font-size: 1.08rem; max-width: 560px; }
.hero__actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }

/* Historia */
.historia { padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 4rem); }
.historia__grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto;
}
.historia__img img { border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(36,28,20,.35); }
.historia__text h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); }
.historia__signature { font-family: var(--serif); font-style: italic; color: var(--terracotta); font-size: 1.1rem; margin-top: 1.5rem; }

/* Autoridade */
.autoridade { padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 4rem); background: var(--cream-2); }
.autoridade__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  max-width: 1180px;
  margin: 0 auto;
}
.card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 1.8rem;
  border: 1px solid rgba(36,28,20,.08);
}
.card__num {
  display: block;
  font-family: var(--serif);
  font-size: 2.2rem;
  color: var(--teal);
  margin-bottom: .4rem;
}
.card p { margin: 0; font-size: .96rem; }
.card strong { color: var(--ink); }
.card--wide {
  grid-column: span 3;
  display: flex;
  align-items: center;
  gap: 1.4rem;
  background: linear-gradient(120deg, var(--cream), var(--cream-2));
  border-color: rgba(31,78,74,.18);
}
.card--wide .card__num { margin-bottom: 0; flex-shrink: 0; }
.card--wide p { margin: 0; }

/* Servicos */
.servicos { padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 4rem); }
.servicos__intro {
  text-align: center;
  max-width: 640px;
  margin: -1.5rem auto 2.5rem;
  font-size: 1.02rem;
}
.servicos__intro strong { color: var(--terracotta); }
.servicos__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem;
  max-width: 1100px;
  margin: 0 auto;
}
.servicos__grid--four { grid-template-columns: repeat(4, 1fr); max-width: 1180px; gap: 1.4rem; }
.servico {
  padding: 2.2rem 1.8rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--teal), #163936);
  color: var(--cream);
}
.servicos__grid--four .servico:nth-child(1) { background: linear-gradient(160deg, var(--teal), #163936); }
.servicos__grid--four .servico:nth-child(2) { background: linear-gradient(160deg, var(--sage-dark), #3b5539); }
.servicos__grid--four .servico:nth-child(3) { background: linear-gradient(160deg, var(--terracotta), #8a4a28); }
.servicos__grid--four .servico:nth-child(4) { background: linear-gradient(160deg, #4a3a28, #2b2118); }
.servico h3 { color: #fff; font-size: 1.3rem; }
.servico__desc { color: rgba(247,241,230,.85); }
.servico ul { padding-left: 1.1rem; margin: 0; color: rgba(247,241,230,.92); }
.servico li { margin-bottom: .5rem; font-size: .93rem; }
.servico .btn--outline { border-color: rgba(247,241,230,.6); color: #fff; }
.servico .btn--outline:hover { background: rgba(247,241,230,.15); color: #fff; }

.servicos__cta { text-align: center; margin-top: 2.5rem; }

/* Valores (Ética, Justiça, Verdade, Empatia, Igualdade) */
.valores { padding: clamp(3.5rem, 7vw, 6rem) clamp(1.2rem, 5vw, 4rem); background: var(--cream-2); }
.valores__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.2rem;
  max-width: 1180px;
  margin: 0 auto;
}
.valor { background: var(--cream); border-radius: var(--radius); padding: 1.6rem 1.4rem; border-top: 3px solid var(--terracotta); }
.valor h3 { font-size: 1.05rem; color: var(--teal); margin-bottom: .5rem; }
.valor p { font-size: .88rem; margin: 0; color: #4a3d2c; }

/* Valores banner */
.valores-banner {
  position: relative;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(201,162,39,.18), transparent 60%),
    var(--ink);
  padding: clamp(4rem, 8vw, 6rem) clamp(1.2rem, 5vw, 4rem);
  border-top: 1px solid rgba(201,162,39,.25);
  border-bottom: 1px solid rgba(201,162,39,.25);
}
.eyebrow--gold { color: var(--gold); }
.valores-banner__title {
  text-align: center;
  color: var(--cream);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  max-width: 640px;
  margin: 0 auto 3rem;
}
.valores-banner__grid {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.valores-banner__item {
  text-align: center;
  padding: 2rem 1.2rem;
  border: 1px solid rgba(247,241,230,.14);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .6rem;
  transition: border-color .25s ease, transform .25s ease;
}
.valores-banner__item:hover {
  border-color: rgba(201,162,39,.55);
  transform: translateY(-4px);
}
.valores-banner__num {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-style: italic;
  color: var(--gold);
}
.valores-banner__label {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  color: var(--cream);
  font-weight: 600;
}
.valores-banner__desc {
  font-size: .86rem;
  color: rgba(247,241,230,.6);
}

/* Livro */
.livro { padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 4rem); background: var(--ink); }
.livro__grid {
  display: grid;
  grid-template-columns: .55fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.livro__cover img { border-radius: 10px; box-shadow: 0 30px 70px -15px rgba(0,0,0,.6); }
.livro .eyebrow { color: var(--gold); }
.livro h2 { color: #fff; font-size: clamp(2rem, 4vw, 2.8rem); }
.livro__subtitle { font-family: var(--serif); font-style: italic; color: rgba(247,241,230,.85); font-size: 1.2rem; }
.livro__text p:not(.livro__subtitle) { color: rgba(247,241,230,.75); }

/* Manual */
.manual { padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 4rem); background: var(--cream); }
.manual__grid {
  display: grid;
  grid-template-columns: 1fr .55fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.manual__cover img { border-radius: 10px; box-shadow: 0 30px 70px -15px rgba(36,28,20,.35); }
.manual .eyebrow { color: var(--terracotta); }
.manual h2 { color: var(--ink); font-size: clamp(2rem, 4vw, 2.8rem); }
.manual__subtitle { font-family: var(--serif); font-style: italic; color: var(--ink); font-size: 1.2rem; }

/* Midia */
.midia { padding: clamp(4rem, 8vw, 6rem) clamp(1.2rem, 5vw, 4rem); background: var(--cream-2); }
.midia__grid {
  display: grid;
  grid-template-columns: .8fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.midia__img img { border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(36,28,20,.3); }
.midia__text h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
.midia__imprensa { list-style: none; padding: 0; margin: 1.4rem 0 0; display: flex; flex-direction: column; gap: .6rem; }
.midia__imprensa a { font-size: .92rem; color: var(--ink); border-bottom: 1px solid rgba(36,28,20,.2); padding-bottom: .5rem; transition: color .2s ease, border-color .2s ease; }
.midia__imprensa a:hover { color: var(--terracotta); border-color: var(--terracotta); }

/* ESG */
.esg { padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 4rem); background: var(--cream-2); }
.esg__intro {
  text-align: center;
  max-width: 680px;
  margin: -1.5rem auto 2.5rem;
  font-size: 1.02rem;
}
.esg__video {
  max-width: 860px;
  margin: 0 auto 3rem;
}
.esg__video-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(36,28,20,.3);
  background: var(--ink);
}
.esg__video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.esg__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}
.esg__photo {
  margin: 0;
  display: flex;
  flex-direction: column;
}
.esg__photo-frame {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 12px;
  overflow: hidden;
}
.esg__photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.esg__photo figcaption { font-size: .85rem; color: var(--ink-soft); margin-top: .8rem; line-height: 1.5; }

/* Galeria */
.galeria { padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 4rem); }
.galeria__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: 1180px;
  margin: 0 auto;
}
.galeria__grid img { border-radius: 12px; aspect-ratio: 4/3; object-fit: cover; }

/* Contato */
.contato { padding: clamp(4rem, 8vw, 7rem) clamp(1.2rem, 5vw, 4rem); background: var(--cream-2); }
.contato__center { max-width: 640px; margin: 0 auto; text-align: center; }
.contato__center h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.contato__whatsapp { display: inline-block; margin: 1rem 0 1.8rem; }
.contato__social { display: flex; gap: 1.4rem; justify-content: center; font-weight: 600; color: var(--teal); flex-wrap: wrap; }
.contato__social a { display: inline-flex; align-items: center; gap: .4rem; }

/* Footer */
.footer {
  text-align: center;
  padding: 2.5rem 1rem;
  background: var(--ink);
  color: rgba(247,241,230,.6);
  font-size: .85rem;
}
.footer__mark { width: 28px; height: 28px; border-radius: 50%; margin: 0 auto .8rem; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 860px) {
  .nav__links { gap: .9rem; font-size: .85rem; }
  .nav__links a:not(.nav__cta) { display: none; }
  .historia__grid, .servicos__grid, .livro__grid, .contato__grid, .midia__grid, .esg__grid, .manual__grid { grid-template-columns: 1fr; }
  .servicos__grid--four { grid-template-columns: 1fr 1fr; }
  .autoridade__grid { grid-template-columns: repeat(2, 1fr); }
  .card--wide { grid-column: span 2; flex-direction: column; align-items: flex-start; }
  .galeria__grid { grid-template-columns: repeat(2, 1fr); }
  .valores-banner__grid { grid-template-columns: 1fr 1fr; gap: 1.2rem; }
  .valores__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .autoridade__grid { grid-template-columns: 1fr; }
  .card--wide { grid-column: span 1; }
  .servicos__grid--four { grid-template-columns: 1fr; }
  .valores__grid { grid-template-columns: 1fr; }
}