/* Lima Serrado — landing institucional B2B.
   Paleta da marca: preto + dourado (ver assets/product.jpeg).
   Sem fontes/CDN externos: tudo self-contained (rápido e sem chamadas a terceiros). */

:root {
  --black: #0d0d0d;
  --panel: #161514;
  --panel-2: #1f1d1a;
  --gold: #c9a227;
  --gold-light: #e0c45e;
  --cream: #f5f1e6;
  --muted: #a9a298;
  --line: #2c2a26;
  --danger: #e05a4a;
  --success: #6fbf73;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a { color: var(--gold-light); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

.narrow { max-width: 760px; }

/* ---- Aviso sanitário ---- */
.warning-bar {
  background: #f2c200;
  color: #1a1a1a;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  padding: 8px 16px;
  letter-spacing: 0.02em;
}
.warning-bar__age { display: inline-block; margin-left: 8px; font-weight: 700; }

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 13, 13, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 64px;
}
.brand { text-decoration: none; line-height: 1; display: flex; flex-direction: column; }
.brand__name {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cream);
  font-size: 1.05rem;
}
.brand__sub {
  color: var(--gold);
  letter-spacing: 0.32em;
  font-size: 0.62rem;
  font-weight: 600;
  margin-top: 2px;
}
.nav { margin-left: auto; display: flex; gap: 22px; }
.nav a {
  color: var(--cream);
  text-decoration: none;
  font-size: 0.92rem;
  opacity: 0.85;
}
.nav a:hover { color: var(--gold-light); opacity: 1; }

/* ---- Botões ---- */
.btn {
  display: inline-block;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 13px 22px;
  font-size: 0.98rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn--sm { padding: 8px 16px; font-size: 0.85rem; }
.btn--primary {
  background: var(--gold);
  color: #1a1405;
  border-color: var(--gold);
}
.btn--primary:hover { background: var(--gold-light); }
.btn--primary:disabled { opacity: 0.55; cursor: not-allowed; }
.btn--whatsapp { background: #25d366; color: #06351b; border-color: #25d366; }
.btn--whatsapp:hover { background: #2bea73; }
.btn--ghost { background: transparent; color: var(--cream); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-light); }

.link { color: var(--gold-light); }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 96px 0 84px;
  background:
    radial-gradient(1200px 480px at 50% -10%, rgba(201, 162, 39, 0.16), transparent 60%),
    linear-gradient(180deg, #100f0d 0%, var(--black) 100%);
  border-bottom: 1px solid var(--line);
  text-align: center;
}
.hero__eyebrow {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.74rem;
  font-weight: 600;
  margin: 0 0 14px;
}
.hero__title {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  margin: 0;
  letter-spacing: 0.04em;
  line-height: 1.02;
}
.hero__tagline {
  font-family: var(--serif);
  font-style: italic;
  color: var(--gold-light);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  margin: 10px 0 22px;
}
.hero__lead {
  max-width: 620px;
  margin: 0 auto 30px;
  color: var(--cream);
  font-size: 1.08rem;
}
.hero__actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero__note { margin-top: 22px; color: var(--muted); font-size: 0.85rem; }

/* ---- Seções ---- */
.section { padding: 72px 0; border-bottom: 1px solid var(--line); }
.section--alt { background: var(--panel); }
.section__title {
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 8px;
  letter-spacing: 0.02em;
}
.section__title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--gold);
  margin-top: 14px;
}
.section__intro { color: var(--muted); font-size: 1.05rem; margin: 0 0 32px; max-width: 640px; }
.section--alt p { color: #d7d0c4; }

/* ---- Produto ---- */
.product {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
}
.product__media { margin: 0; }
.product__media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  border: 1px solid var(--line);
}
.features { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.feature {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: 8px;
  padding: 16px 18px;
}
.feature__title { margin: 0 0 4px; color: var(--gold-light); font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: 0.96rem; }

/* ---- Formulário ---- */
.form { margin-top: 8px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.field { display: flex; flex-direction: column; }
.field--uf { max-width: 160px; }
.field label { font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }
.req { color: var(--gold); }
.field input,
.field select {
  background: #100f0d;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--cream);
  padding: 12px 14px;
  font-size: 1rem;
  font-family: inherit;
}
.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.2);
}
.field input::placeholder { color: #6c655b; }
.field input[aria-invalid="true"] { border-color: var(--danger); }

.form__status { min-height: 1.2em; margin: 16px 0 0; font-size: 0.95rem; }
.form__status.is-error { color: var(--danger); }
.form__status.is-success { color: var(--success); }
.form__hint { color: #6c655b; font-size: 0.8rem; margin-top: 10px; }

/* ---- Footer ---- */
.site-footer { background: #0a0a09; }
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 36px;
  padding-bottom: 24px;
  flex-wrap: wrap;
}
.social { display: flex; gap: 20px; }
.social a { color: var(--cream); text-decoration: none; opacity: 0.85; font-size: 0.92rem; }
.social a:hover { color: var(--gold-light); opacity: 1; }
.site-footer__legal { border-top: 1px solid var(--line); padding-top: 18px; padding-bottom: 32px; }
.site-footer__warning { color: #f2c200; font-size: 0.8rem; font-weight: 600; margin: 0 0 8px; }
.site-footer__copy { color: var(--muted); font-size: 0.8rem; margin: 0; }

/* ---- Responsivo ---- */
@media (max-width: 760px) {
  .nav { display: none; }
  .product { grid-template-columns: 1fr; gap: 26px; }
  .form__row { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 52px 0; }
}