@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,700;1,400;1,500&family=Inter:wght@300;400;500&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --preto: #0D1F25;
  --petroleo: #174753;
  --ouro: #A78555;
  --ouro-claro: #C4A06B;
  --creme: #F2E6B2;
  --branco: #ffffff;
  --cinza: #f5f3ef;
  --texto: #2a3f46;
  --texto-claro: #6b8891;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--texto); background: var(--branco); overflow-x: hidden; }

/* ── NAV ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 60px; height: 80px;
  background: rgba(13,31,37,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(167,133,85,0.15);
  transition: height .3s, background .3s;
}
nav.scrolled { height: 66px; background: rgba(13,31,37,0.98); }

.nav-logo img { height: 52px; width: auto; display: block; }

.nav-menu { display: flex; align-items: center; gap: 36px; list-style: none; }
.nav-menu a {
  color: rgba(242,230,178,0.65);
  text-decoration: none;
  font-size: .82rem;
  font-weight: 400;
  letter-spacing: .04em;
  transition: color .2s;
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0; right: 0; height: 1px;
  background: var(--ouro); transform: scaleX(0); transform-origin: left;
  transition: transform .25s;
}
.nav-menu a:hover, .nav-menu a.ativo { color: var(--creme); }
.nav-menu a:hover::after, .nav-menu a.ativo::after { transform: scaleX(1); }

.nav-cta {
  background: var(--ouro); color: var(--preto);
  text-decoration: none; padding: 10px 28px;
  font-size: .78rem; font-weight: 500;
  transition: background .2s;
}
.nav-cta:hover { background: var(--creme); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 1.5px; background: rgba(242,230,178,0.7); transition: all .3s; }

/* ── HERO BASE ── */
.hero {
  position: relative; min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px 60px 80px; overflow: hidden;
}

/* Fundo simulado de escritório: gradiente em camadas */
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: var(--preto);
}
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(23,71,83,0.55) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 20% 70%, rgba(167,133,85,0.08) 0%, transparent 60%);
}
/* Linhas verticais simulando venezianas / janelas de escritório */
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 38px,
    rgba(167,133,85,0.03) 38px,
    rgba(167,133,85,0.03) 40px
  );
}

.hero-content { position: relative; z-index: 2; max-width: 780px; }

/* ── SEÇÕES COMUNS ── */
.secao { padding: 96px 60px; }
.secao-clara { background: var(--cinza); }
.secao-escura { background: var(--preto); }
.secao-petroleo { background: var(--petroleo); }

.titulo-secao {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 3vw, 2.9rem);
  font-weight: 400; line-height: 1.2; color: var(--petroleo);
}
.titulo-secao.claro { color: var(--creme); }
.titulo-secao em { font-style: italic; }

.texto-secao { font-size: .95rem; line-height: 1.85; font-weight: 300; color: var(--texto-claro); }

/* ── LINHA DOURADA ── */
.linha-ouro { width: 48px; height: 2px; background: var(--ouro); margin-bottom: 28px; }
.linha-ouro.centro { margin-left: auto; margin-right: auto; }

/* ── BOTÕES ── */
.btn-ouro {
  display: inline-block; background: var(--ouro); color: var(--preto);
  text-decoration: none; padding: 14px 40px;
  font-size: .8rem; font-weight: 500; letter-spacing: .04em;
  transition: background .25s;
}
.btn-ouro:hover { background: var(--creme); }

.btn-contorno {
  display: inline-block; background: transparent;
  border: 1px solid rgba(242,230,178,0.4);
  color: var(--creme); text-decoration: none;
  padding: 13px 36px; font-size: .8rem; font-weight: 400;
  transition: all .25s;
}
.btn-contorno:hover { border-color: var(--ouro); color: var(--ouro); }

/* ── FOOTER ── */
footer {
  background: var(--preto);
  border-top: 1px solid rgba(167,133,85,0.15);
  padding: 52px 60px 36px;
}
.footer-inner {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 48px; flex-wrap: wrap;
  margin-bottom: 44px;
}
.footer-logo img { height: 44px; opacity: .7; margin-bottom: 16px; display: block; }
.footer-logo p { color: rgba(242,230,178,.35); font-size: .8rem; line-height: 1.7; max-width: 280px; }
.footer-nav h4 { color: var(--ouro); font-size: .7rem; letter-spacing: .1em; margin-bottom: 16px; font-weight: 500; }
.footer-nav ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: rgba(242,230,178,.4); text-decoration: none; font-size: .82rem; transition: color .2s; }
.footer-nav a:hover { color: var(--creme); }
.footer-social { display: flex; gap: 14px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px; border: 1px solid rgba(167,133,85,.2);
  display: flex; align-items: center; justify-content: center;
  color: rgba(167,133,85,.6); text-decoration: none; font-size: .75rem;
  transition: all .2s;
}
.footer-social a:hover { border-color: var(--ouro); color: var(--ouro); }
.footer-copy { border-top: 1px solid rgba(167,133,85,.08); padding-top: 24px; color: rgba(242,230,178,.2); font-size: .75rem; }

/* ── MOBILE ── */
@media (max-width: 900px) {
  nav { padding: 0 24px; }
  .nav-menu { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .nav-menu.aberto {
    display: flex; flex-direction: column; align-items: flex-start; gap: 24px;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(13,31,37,.98); padding: 100px 32px 40px; z-index: 199;
  }
  .nav-menu.aberto a { font-size: 1.1rem; }
  .hero { padding: 100px 24px 64px; }
  .secao { padding: 72px 24px; }
  footer { padding: 48px 24px 28px; }
  .footer-inner { flex-direction: column; gap: 36px; }
}