:root {
  --navy: #0b1e3d;
  --navy-dark: #071528;
  --navy-light: #16305c;
  --gold: #c9a227;
  --gold-light: #e6c860;
  --cream: #f7f2e7;
  --white: #ffffff;
  --text-dark: #1b1f27;
  --text-muted: #4a5164;
  --radius: 14px;
  --shadow: 0 20px 45px rgba(11, 30, 61, 0.18);
  --font-title: "Playfair Display", "Georgia", serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

.container--narrow { max-width: 780px; }

.text-center { text-align: center; }

/* ---------- Tipografia ---------- */

.eyebrow {
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--navy-light);
  margin: 0 0 12px;
}

.eyebrow--gold { color: var(--gold); }

.section__title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  color: var(--navy);
  margin: 0 0 22px;
  line-height: 1.25;
}

.section__title--light { color: var(--white); }
.section__title--sm { font-size: clamp(1.3rem, 2.4vw, 1.7rem); }

.lead {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--navy);
}

.lead-secondary {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.emphasis-lines {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--text-muted);
  margin: 20px 0;
}

.emphasis-lines--gold {
  font-family: var(--font-title);
  font-style: normal;
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--gold);
  line-height: 1.5;
}

.highlight-box {
  margin-top: 28px;
  padding: 22px 26px;
  background: var(--cream);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  font-weight: 600;
  color: var(--navy);
}

/* ---------- Seções ---------- */

.section {
  padding: 72px 0;
}

.section--white { background: var(--white); }
.section--navy  { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%); color: var(--white); }
.section--cream { background: var(--cream); }

.section--navy p { color: rgba(255,255,255,0.85); }

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-dark) 100%);
  padding: 64px 0 80px;
  color: var(--white);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero__grid--reverse .hero__image { order: -1; }

.hero__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  color: var(--white);
  margin: 0 0 18px;
  line-height: 1.05;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 24px rgba(201, 162, 39, 0.25);
}

.hero__subtitle {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  max-width: 520px;
  margin: 0 0 32px;
}

.hero__image img {
  border-radius: var(--radius);
}

/* ---------- Listas de check ---------- */

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.check-list li {
  position: relative;
  padding-left: 34px;
  font-size: 1.05rem;
  color: var(--text-dark);
}

.check-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--gold);
  font-weight: 700;
}

.check-list--light li { color: rgba(255,255,255,0.92); }

.check-list--center {
  max-width: 620px;
  margin: 0 auto 40px;
  text-align: left;
}

/* ---------- Botões ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 800;
  text-decoration: none;
  text-align: center;
  border-radius: 999px;
  padding: 16px 34px;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: none;
  cursor: pointer;
}

.btn--gold {
  background: linear-gradient(135deg, var(--gold-light), var(--gold));
  color: var(--navy-dark);
  box-shadow: 0 12px 30px rgba(201, 162, 39, 0.35);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 36px rgba(201, 162, 39, 0.45);
}

.btn--lg {
  padding: 20px 44px;
  font-size: 1.1rem;
  width: 100%;
  max-width: 420px;
}

/* ---------- Produto / bônus ---------- */

.product-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(201,162,39,0.35);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 480px;
  margin: 0 auto;
}

.product-card__image {
  width: 100%;
  max-width: 320px;
  margin: 0 auto 24px;
  border-radius: 10px;
  box-shadow: 0 16px 34px rgba(0,0,0,0.35);
}

.product-card__icon { font-size: 2.6rem; }

.product-card__title {
  font-family: var(--font-title);
  color: var(--gold);
  margin: 8px 0 4px;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.product-card__name {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--white);
  margin: 0 0 14px;
}

.product-card__desc { color: rgba(255,255,255,0.8); margin: 0; }

.price-line {
  margin: 18px 0 0;
  font-size: 1.05rem;
}

.price-old {
  color: var(--text-muted);
  text-decoration: line-through;
}

.price-line--gold {
  font-weight: 800;
  color: var(--gold);
  font-size: 1.3rem;
}

/* ---------- Caixa de preço final ---------- */

.price-box {
  margin-top: 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(201,162,39,0.35);
  border-radius: var(--radius);
  padding: 44px 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.price-box__total {
  color: rgba(255,255,255,0.7);
  text-decoration: line-through;
  margin: 0 0 6px;
}

.price-box__label {
  color: var(--gold-light);
  font-weight: 600;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.9rem;
}

.price-box__now {
  font-family: var(--font-title);
  font-size: clamp(2.6rem, 6vw, 3.6rem);
  font-weight: 900;
  color: var(--gold);
  margin: 4px 0 18px;
}

.guarantee-seal {
  width: 130px;
  margin: 0 auto 20px;
}

.price-box__note {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 26px;
}

/* ---------- FAQ ---------- */

.faq-item {
  padding: 22px 0;
  border-bottom: 1px solid rgba(11,30,61,0.1);
}

.faq-item__q {
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--navy);
  margin: 0 0 8px;
}

.faq-item__a {
  margin: 0;
  color: var(--text-muted);
}

/* ---------- Aviso ---------- */

.notice-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ---------- Autor ---------- */

.author {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 36px;
  align-items: center;
}

.author__photo {
  width: 190px;
  height: 190px;
  object-fit: cover;
  object-position: 50% 8%;
  border-radius: 50%;
  border: 3px solid var(--gold);
}

.author__name {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--white);
  margin: 0 0 8px;
}

.author__bio {
  color: rgba(255,255,255,0.8);
  margin: 0;
  max-width: 480px;
}

/* ---------- Rodapé ---------- */

.footer {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.6);
  padding: 48px 0 24px;
  font-size: 0.85rem;
}

.footer__legal {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}

.footer__legal-col h4 {
  font-family: var(--font-title);
  color: var(--gold);
  font-size: 0.95rem;
  margin: 0 0 10px;
}

.footer__legal-col p {
  margin: 0;
  line-height: 1.6;
  color: rgba(255,255,255,0.55);
}

.footer__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}

/* ---------- CTA fixo ---------- */

.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  background: var(--navy-dark);
  border-top: 2px solid var(--gold);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transform: translateY(100%);
  transition: transform 0.25s ease;
}

.sticky-cta.is-visible { transform: translateY(0); }

.sticky-cta__text {
  color: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
  display: none;
}

.sticky-cta__btn { padding: 12px 24px; font-size: 0.9rem; width: auto; }

/* ---------- Responsivo ---------- */

@media (min-width: 640px) {
  .sticky-cta__text { display: block; }
}

@media (max-width: 900px) {
  .hero__grid,
  .hero__grid--reverse { grid-template-columns: 1fr; }
  .hero__grid--reverse .hero__image { order: 0; }
  .hero { text-align: center; padding-top: 48px; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .author { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .btn--lg { width: 100%; }
  .footer__legal { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .footer__legal { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .section { padding: 52px 0; }
  .price-box { padding: 32px 20px; }
}