/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.05;
  margin: 0;
  color: var(--text-primary);
}

p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: var(--gold-dim);
}

/* ===== Barra de progresso de rolagem ===== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: var(--gold);
  z-index: 300;
  transition: width 80ms linear;
}

/* ===== Botões ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.7rem;
  border-radius: var(--radius-s);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gold);
  color: #1A1510;
}
.btn-primary:hover { background: #E3C158; }

.btn-secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}
.btn-secondary:hover { border-color: var(--gold); background: var(--bg-elevated); }

.btn-ghost {
  color: var(--gold);
  padding-inline: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}
.btn-ghost::after {
  content: '';
  display: block;
  height: 1px;
  width: 0%;
  background: var(--gold);
  transition: width var(--dur-med) var(--ease);
}
.btn-ghost:hover::after { width: 100%; }

/* ===== Cabeçalho ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(20, 17, 14, 0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-hair);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.brand img { width: 30px; height: 30px; }
.brand span {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
}
.brand .amp { color: var(--gold); font-style: italic; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 2.25rem;
}
.main-nav a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease);
}
.main-nav a .idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text-primary); }
.main-nav a[aria-current="page"] .idx { color: var(--gold); }
.main-nav a[aria-current="page"]::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -0.6rem;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-s);
  padding: 0.5rem 0.7rem;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    inset: 64px 0 auto 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    background: var(--bg-elevated);
    padding: 1.5rem var(--gutter) 2rem;
    border-bottom: 1px solid var(--border-hair);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
  }
  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-toggle { display: inline-flex; }
}

/* ===== Rodapé ===== */
.site-footer {
  border-top: 1px solid var(--border-hair);
  padding-block: 3.5rem 2.5rem;
  background: var(--bg-elevated);
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}
.site-footer .brand span { font-size: 1.1rem; }
.footer-tag {
  color: var(--text-tertiary);
  font-size: 0.85rem;
  margin-top: 0.6rem;
  max-width: 26ch;
}
.footer-nav { display: flex; gap: 1.75rem; flex-wrap: wrap; }
.footer-nav a { color: var(--text-secondary); font-size: 0.9rem; }
.footer-nav a:hover { color: var(--gold); }
.footer-bottom {
  max-width: var(--container);
  margin: 2.5rem auto 0;
  padding-inline: var(--gutter);
  color: var(--text-tertiary);
  font-size: 0.78rem;
  font-family: var(--font-mono);
}

/* ===== Campos de formulário (compartilhado: contato, admin) ===== */
.form-field {
  margin-bottom: 1.6rem;
}
.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-bottom: 0.55rem;
}
.form-field input,
.form-field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-strong);
  border-radius: 0;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.02rem;
  padding: 0.6rem 0;
  transition: border-color var(--dur-fast) var(--ease);
}
.form-field input:focus,
.form-field textarea:focus {
  border-color: var(--gold);
  outline: none;
}
.form-field textarea { resize: vertical; min-height: 100px; }

/* ===== Utilidades de revelação ===== */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease-out-strong), transform var(--dur-slow) var(--ease-out-strong);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}