/* =========================================================
   Âncora no Caos — main.css
   Mobile-first | Variáveis CSS | Sem preprocessador
   ========================================================= */

/* --- Variáveis ------------------------------------------ */
:root {
  --color-navy:   #2e4057;
  --color-gold:   #b8972e;
  --color-cream:  #f5f2ed;
  --color-text:   #2d2d2d;
  --color-muted:  #555555;
  --color-white:  #ffffff;
  --color-navy-light: #3d5470;
  --color-gold-light: #d4af50;
  --color-cream-dark: #ede9e1;

  --font-serif: Georgia, 'Times New Roman', serif;
  --radius: 4px;
  --transition: 0.25s ease;
  --max-width: 860px;
  --max-width-wide: 1100px;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-serif);
  background-color: var(--color-cream);
  color: var(--color-text);
  line-height: 1.75;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* --- Utilitários ---------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.container--wide {
  max-width: var(--max-width-wide);
}

.text-center { text-align: center; }
.text-gold    { color: var(--color-gold); }
.text-navy    { color: var(--color-navy); }

.divider {
  width: 60px;
  height: 2px;
  background: var(--color-gold);
  margin: 1.5rem auto;
  border: none;
}

/* --- Tipografia ----------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-navy);
  line-height: 1.3;
  font-weight: normal;
}

h1 { font-size: clamp(1.7rem, 5vw, 2.6rem); }
h2 { font-size: clamp(1.4rem, 4vw, 2rem); }
h3 { font-size: clamp(1.1rem, 3vw, 1.35rem); }

p { margin-bottom: 1rem; color: var(--color-text); }

.lead {
  font-size: 1.15rem;
  color: var(--color-muted);
  line-height: 1.85;
}

.eyebrow {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: 0.75rem;
}

blockquote {
  border-left: 3px solid var(--color-gold);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-muted);
  background: var(--color-cream-dark);
  border-radius: 0 var(--radius) var(--radius) 0;
}

blockquote cite {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  font-style: normal;
  color: var(--color-navy);
}

/* --- Botões --------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.95rem 2.2rem;
  border-radius: var(--radius);
  font-family: var(--font-serif);
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(184,151,46,0.35);
}

.btn--primary:hover {
  background: var(--color-gold-light);
  box-shadow: 0 6px 28px rgba(184,151,46,0.45);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border: 1.5px solid var(--color-navy);
}

.btn--outline:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn--large {
  padding: 1.15rem 2.75rem;
  font-size: 1.1rem;
}

.btn--full { width: 100%; display: block; }

.cta-note {
  font-size: 0.8rem;
  color: rgba(245,242,237,0.65);
  margin-top: 0.6rem;
  display: block;
}

/* --- Anchor icon SVG ------------------------------------ */
.anchor-icon {
  width: 48px;
  height: 48px;
  fill: var(--color-gold);
  margin: 0 auto 1rem;
}

/* =========================================================
   SEÇÕES
   ========================================================= */

/* --- Barra superior ------------------------------------- */
.topbar {
  background: var(--color-navy);
  color: var(--color-cream);
  text-align: center;
  padding: 0.55rem 1rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.topbar strong { color: var(--color-gold); }

/* --- Hero ----------------------------------------------- */
.hero {
  background: var(--color-navy);
  color: var(--color-cream);
  padding: 5rem 1.25rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 40%, rgba(184,151,46,0.08) 0%, transparent 65%);
  pointer-events: none;
}

.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
  text-align: center;
}

.hero__content h1 {
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.hero__content h1 em {
  color: var(--color-gold);
  font-style: normal;
}

.hero__content .lead {
  color: rgba(245,242,237,0.85);
  max-width: 580px;
  margin: 0 auto 2rem;
}

.hero__badge {
  display: inline-block;
  background: rgba(184,151,46,0.15);
  border: 1px solid rgba(184,151,46,0.4);
  color: var(--color-gold-light);
  font-size: 0.82rem;
  padding: 0.35rem 0.9rem;
  border-radius: 2rem;
  margin-bottom: 1.25rem;
  letter-spacing: 0.06em;
}

.hero__book {
  position: relative;
  flex-shrink: 0;
}

.hero__book-cover {
  width: 240px;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  margin: 0 auto;
  overflow: hidden;
  line-height: 0;
}

.hero__book-cover-title {
  color: var(--color-gold);
  font-size: 1.3rem;
  line-height: 1.3;
  text-align: center;
  margin-bottom: 0.5rem;
}

.hero__book-cover-sub {
  color: rgba(245,242,237,0.7);
  font-size: 0.75rem;
  text-align: center;
  line-height: 1.4;
}

.hero__guarantee {
  font-size: 0.82rem;
  color: rgba(245,242,237,0.6);
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
}

/* --- Faixa de prova social rápida ----------------------- */
.social-proof-bar {
  background: var(--color-cream-dark);
  border-top: 1px solid rgba(46,64,87,0.1);
  border-bottom: 1px solid rgba(46,64,87,0.1);
  padding: 1rem 1.25rem;
}

.social-proof-bar__inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.social-proof-bar__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.social-proof-bar__item svg {
  width: 18px;
  height: 18px;
  fill: var(--color-gold);
  flex-shrink: 0;
}

/* --- Seções genéricas ----------------------------------- */
.section {
  padding: 4.5rem 1.25rem;
}

.section--dark {
  background: var(--color-navy);
  color: var(--color-cream);
}

.section--dark h2,
.section--dark h3 {
  color: var(--color-white);
}

.section--dark p,
.section--dark .lead {
  color: rgba(245,242,237,0.8);
}

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

.section--cream-dark {
  background: var(--color-cream-dark);
}

.section__header {
  margin-bottom: 3rem;
}

/* --- Agitação do problema ------------------------------- */
.pain-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.pain-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,151,46,0.18);
  border-radius: var(--radius);
  padding: 1.25rem;
}

.pain-item__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 0.1rem;
}

.pain-item__text strong {
  display: block;
  color: var(--color-white);
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.pain-item__text p {
  color: rgba(245,242,237,0.7);
  font-size: 0.9rem;
  margin: 0;
}

.impact-phrase {
  font-size: clamp(1.05rem, 3vw, 1.3rem);
  color: var(--color-gold-light);
  font-style: italic;
  border-left: 3px solid var(--color-gold);
  padding: 1rem 1.5rem;
  margin: 2.5rem 0;
  line-height: 1.55;
}

/* --- Para quem é --------------------------------------- */
.persona-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.persona-card {
  background: var(--color-white);
  border: 1px solid rgba(46,64,87,0.12);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.persona-card--yes {
  border-left: 3px solid var(--color-gold);
}

.persona-card--no {
  border-left: 3px solid rgba(46,64,87,0.3);
  opacity: 0.85;
}

.persona-card h3 {
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  color: var(--color-navy);
}

.persona-card--no h3 {
  color: var(--color-muted);
}

.persona-card ul li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin-bottom: 0.6rem;
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.5;
}

.persona-card ul li::before {
  content: '✓';
  color: var(--color-gold);
  font-weight: bold;
  flex-shrink: 0;
}

.persona-card--no ul li::before {
  content: '×';
  color: var(--color-muted);
}

/* --- O que você vai receber ---------------------------- */
.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius);
  padding: 1.75rem;
  border: 1px solid rgba(46,64,87,0.1);
  position: relative;
}

.product-card__tag {
  position: absolute;
  top: -0.75rem;
  left: 1.25rem;
  background: var(--color-gold);
  color: var(--color-white);
  font-size: 0.7rem;
  padding: 0.2rem 0.7rem;
  border-radius: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.product-card h3 {
  margin-bottom: 0.5rem;
  color: var(--color-navy);
}

.product-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0;
}

.audio-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.audio-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  background: var(--color-cream);
  border-radius: var(--radius);
  border: 1px solid rgba(184,151,46,0.15);
}

.audio-item__duration {
  background: var(--color-navy);
  color: var(--color-gold);
  font-size: 0.72rem;
  padding: 0.2rem 0.55rem;
  border-radius: 2rem;
  white-space: nowrap;
  align-self: flex-start;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.audio-item__info strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-navy);
  margin-bottom: 0.2rem;
}

.audio-item__info span {
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* --- Por que funciona / Ciência ------------------------ */
.science-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.science-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(184,151,46,0.2);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.science-card__icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.science-card h3 {
  color: var(--color-gold-light);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.science-card p {
  font-size: 0.9rem;
  color: rgba(245,242,237,0.75);
  margin: 0;
}

/* --- Sobre o autor ------------------------------------- */
.author-block {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.author-photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--color-cream-dark);
  border: 3px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--color-muted);
  text-align: center;
  flex-shrink: 0;
  overflow: hidden;
}

.author-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.author-credentials span {
  background: var(--color-cream-dark);
  color: var(--color-navy);
  font-size: 0.78rem;
  padding: 0.25rem 0.7rem;
  border-radius: 2rem;
  border: 1px solid rgba(46,64,87,0.15);
}

/* --- Depoimentos --------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.testimonial-card {
  background: var(--color-white);
  border: 1px solid rgba(46,64,87,0.1);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -0.5rem;
  left: 1.25rem;
  font-size: 4rem;
  color: var(--color-gold);
  opacity: 0.3;
  line-height: 1;
}

.testimonial-card__text {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 1rem;
  font-size: 0.95rem;
  line-height: 1.7;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-card__avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-cream-dark);
  border: 2px solid var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-muted);
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: 0.9rem;
  color: var(--color-navy);
  font-weight: bold;
}

.testimonial-card__role {
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* --- Oferta / CTA -------------------------------------- */
.offer-box {
  background: var(--color-white);
  border: 1px solid rgba(46,64,87,0.12);
  border-radius: 8px;
  padding: 2.5rem 2rem;
  max-width: 580px;
  margin: 0 auto;
  text-align: center;
  box-shadow: 0 8px 40px rgba(46,64,87,0.08);
}

.offer-box__price-from {
  font-size: 0.85rem;
  color: var(--color-muted);
  text-decoration: line-through;
}

.offer-box__price {
  font-size: clamp(2rem, 6vw, 2.8rem);
  color: var(--color-navy);
  line-height: 1;
  margin: 0.25rem 0;
}

.offer-box__price span {
  font-size: 1.2rem;
  vertical-align: super;
}

.offer-box__includes {
  margin: 1.75rem 0;
  text-align: left;
}

.offer-box__includes li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(46,64,87,0.07);
  font-size: 0.92rem;
  color: var(--color-text);
}

.offer-box__includes li:last-child { border: none; }

.offer-box__includes li::before {
  content: '✓';
  color: var(--color-gold);
  font-weight: bold;
  flex-shrink: 0;
}

.guarantee-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(46,64,87,0.08);
}

.guarantee-badge svg {
  width: 36px;
  height: 36px;
  fill: var(--color-navy);
  flex-shrink: 0;
}

.guarantee-badge__text {
  text-align: left;
  font-size: 0.82rem;
  color: var(--color-muted);
}

.guarantee-badge__text strong {
  display: block;
  color: var(--color-navy);
  font-size: 0.92rem;
}

/* --- FAQ ----------------------------------------------- */
.faq-list {
  max-width: 680px;
  margin: 2.5rem auto 0;
}

.faq-item {
  border-bottom: 1px solid rgba(46,64,87,0.12);
}

.faq-item:first-child {
  border-top: 1px solid rgba(46,64,87,0.12);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 1.25rem 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}

.faq-question:hover { color: var(--color-gold); }

.faq-question[aria-expanded="true"] { color: var(--color-gold); }

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  position: relative;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 2px;
  transition: var(--transition);
}

.faq-icon::before { width: 8px; height: 1.5px; }
.faq-icon::after  { width: 1.5px; height: 8px; }

.faq-question[aria-expanded="true"] .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer.is-open {
  max-height: 500px;
}

.faq-answer__inner {
  padding-bottom: 1.25rem;
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.75;
}

/* --- Footer -------------------------------------------- */
footer {
  background: var(--color-navy);
  color: rgba(245,242,237,0.8);
  text-align: center;
  padding: 2.5rem 1.25rem;
  font-size: 0.82rem;
}

footer a {
  color: rgba(245,242,237,0.8);
  text-decoration: underline;
}

footer a:hover { color: var(--color-gold); }

.footer-anchor {
  margin-bottom: 1rem;
}

/* =========================================================
   RESPONSIVO
   ========================================================= */

@media (min-width: 480px) {
  .social-proof-bar__inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
  }
}

@media (min-width: 768px) {
  .hero__inner {
    flex-direction: row;
    text-align: left;
    justify-content: center;
  }

  .hero__content .lead {
    margin-left: 0;
    margin-right: 0;
  }

  .hero__guarantee {
    justify-content: flex-start;
  }

  .hero__book-cover {
    width: 280px;
  }

  .persona-grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr 1fr;
  }

  .science-grid {
    grid-template-columns: 1fr 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr 1fr;
  }

  .pain-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .author-block {
    flex-direction: row;
    align-items: flex-start;
  }
}

@media (min-width: 1024px) {
  .science-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}