/* RB Agro — base de design compartilhada.
   Paleta extraída do logo (creme #F2EBE1 / carvão #151A1D / grafite #45494A).
   Usada por indicativos.html e admin.html.
   TODO: migrar index.html e calculadora.html para cá — hoje duplicam estes tokens. */

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

:root {
  --creme:      #F2EBE1;
  --creme-alt:  #EAE2D6;
  --creme-deep: #DFD5C6;
  --carvao:     #151A1D;
  --carvao-mid: #232A2E;
  --grafite:    #45494A;
  --cinza:      #5C6163;
  --branco:     #FFFFFF;
  --verde:      #1F6B40;
  --vermelho:   #A83226;
  --whatsapp:   #25D366;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html { scroll-behavior: smooth; }

/* Regra de classe com `display` vence o [hidden] do navegador (que é seletor de
   atributo na folha do UA). Sem isto, .login-wrap{display:flex} e .abas{display:flex}
   continuam visíveis mesmo com o atributo hidden ligado. */
[hidden] { display: none !important; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--creme);
  color: var(--carvao);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--carvao); color: var(--creme); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.ico { width: 1em; height: 1em; flex: none; }

/* ── Marca ── */
.brand { display: inline-flex; align-items: center; gap: 9px; text-decoration: none; line-height: 1; }
.brand-mark {
  background: var(--carvao); color: var(--creme);
  font-weight: 800; font-size: 1.05rem; letter-spacing: -0.02em;
  padding: 6px 9px 7px; border-radius: 7px; line-height: 1;
}
.brand-word { color: var(--carvao); font-weight: 800; font-size: 1.3rem; letter-spacing: -0.035em; }

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(242, 235, 225, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--creme-deep);
  padding: 0 48px; height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: var(--cinza); text-decoration: none;
  font-size: 0.9rem; font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: var(--carvao); }
.nav-links a.ativo { color: var(--carvao); font-weight: 600; }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--carvao); color: var(--creme);
  padding: 10px 22px; border-radius: 6px;
  font-size: 0.875rem; font-weight: 600; text-decoration: none;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--carvao-mid); }

/* ── Botões ── */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  background: var(--carvao); color: var(--creme);
  padding: 13px 28px; border: none; border-radius: 6px;
  font-family: 'Inter', sans-serif; font-size: 0.95rem; font-weight: 600;
  text-decoration: none; cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.btn-primary:hover { background: var(--carvao-mid); transform: translateY(-2px); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  background: transparent; color: var(--carvao);
  border: 1.5px solid var(--carvao);
  padding: 11px 24px; border-radius: 6px;
  font-family: 'Inter', sans-serif; font-size: 0.9rem; font-weight: 500;
  text-decoration: none; cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-outline:hover { background: var(--carvao); color: var(--creme); }
.btn-sutil {
  background: transparent; color: var(--cinza);
  border: 1px solid var(--creme-deep); border-radius: 6px;
  padding: 8px 16px; font-size: 0.8rem; font-weight: 600;
  font-family: 'Inter', sans-serif; cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.btn-sutil:hover { color: var(--carvao); border-color: var(--carvao); }
.btn-perigo:hover { color: var(--vermelho); border-color: var(--vermelho); }

/* ── Seções ── */
.container { max-width: 1160px; margin: 0 auto; }
.section-label {
  font-size: 0.72rem; font-weight: 700;
  color: var(--grafite); letter-spacing: 2.2px;
  text-transform: uppercase; margin-bottom: 16px;
}
.section-title {
  font-family: 'Poppins', sans-serif;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700; letter-spacing: -1px; line-height: 1.2;
  margin-bottom: 20px; color: var(--carvao);
}

/* ── Campos ── */
.campo { margin-bottom: 16px; }
.campo-rotulo {
  display: block;
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--cinza); margin-bottom: 6px;
}
.campo input, .campo select, .campo textarea {
  width: 100%;
  background: var(--creme);
  border: 1px solid var(--creme-deep);
  border-radius: 6px; padding: 11px 14px;
  color: var(--carvao); font-size: 0.95rem;
  font-family: 'Inter', sans-serif;
  outline: none; transition: border-color 0.2s;
}
.campo input:focus, .campo select:focus, .campo textarea:focus { border-color: var(--carvao); }
.campo input[inputmode="decimal"] { font-family: var(--mono); }

/* ── Footer ── */
footer { background: var(--carvao); padding: 44px 48px 30px; }
.footer-top {
  max-width: 1160px; margin: 0 auto 28px;
  display: flex; align-items: center; justify-content: center;
}
.footer-logo-img { height: 84px; width: auto; }
.footer-bottom {
  max-width: 1160px; margin: 0 auto; padding-top: 24px;
  border-top: 1px solid rgba(242,235,225,0.10);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(242,235,225,0.42); }
.footer-links { display: flex; gap: 24px; list-style: none; }
.footer-links a {
  color: rgba(242,235,225,0.52); text-decoration: none;
  font-size: 0.8rem; transition: color 0.2s;
}
.footer-links a:hover { color: var(--creme); }

@media (max-width: 900px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .brand-word { font-size: 1.15rem; }
  .nav-cta { padding: 9px 16px; font-size: 0.8rem; }
  footer { padding: 36px 24px 26px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-logo-img { height: 68px; }
}