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

:root {
  --bg:        #FAF7F2;
  --brown:     #2C1810;
  --terra:     #C4714A;
  --sage:      #8B9E7A;
  --card-bg:   #FFFFFF;
  --divider:   #E8DDD4;
  --bg-alt:    #F2EDE6;
  --bg-terra:  #EDCFB8;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Lato', Arial, sans-serif;
}

html { scroll-behavior: smooth; font-size: 17px; }

body {
  background-color: var(--bg);
  color: var(--brown);
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--divider);
}

a { color: inherit; text-decoration: none; }

/* ─── Fade-in Animation ─── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: none;
}
.fade-in.delay-1 { transition-delay: 0.1s; }
.fade-in.delay-2 { transition-delay: 0.2s; }
.fade-in.delay-3 { transition-delay: 0.3s; }
.fade-in.delay-4 { transition-delay: 0.4s; }

/* ─── Buttons ─── */
.btn-primary {
  display: inline-block;
  background-color: var(--terra);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
  padding: 18px 40px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  text-align: center;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(196, 113, 74, 0.35);
  background-color: #b5623c;
}
.btn-primary:active { transform: translateY(0); }

.btn-large {
  font-size: 1.125rem;
  padding: 22px 52px;
}

/* ─── Section common ─── */
section { width: 100%; }
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad { padding: 96px 0; }
.section-pad-sm { padding: 72px 0; }

/* ─── Pre-title label ─── */
.label {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--terra);
  margin-bottom: 20px;
}

/* ─── Divider ─── */
.divider {
  width: 48px;
  height: 2px;
  background: var(--terra);
  margin: 0 auto 32px;
}

/* ═══════════════════════════════════════════
   SEÇÃO 1 — HERO
═══════════════════════════════════════════ */
.hero {
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  width: 100%;
}

.hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 64px 80px 48px;
  max-width: 620px;
  margin: 0 auto;
  width: 100%;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.18;
  color: var(--brown);
  margin-bottom: 28px;
}

.hero__subtitle {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.75;
  color: #5A3E33;
  margin-bottom: 44px;
  max-width: 460px;
}

.hero__cta-wrap { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }

.hero__micro {
  font-size: 0.8rem;
  color: #9A837A;
  letter-spacing: 0.02em;
}

.hero__image-col {
  position: relative;
  overflow: hidden;
}

.hero__image-col img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* ═══════════════════════════════════════════
   SEÇÃO 2 — RECONHECIMENTO
═══════════════════════════════════════════ */
.recognition {
  background-color: var(--bg-alt);
  border-top: 1px solid var(--divider);
}

.recognition__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 56px;
}

.recognition__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 64px;
}

.recognition__card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 2px 16px rgba(44, 24, 16, 0.06);
  border: 1px solid var(--divider);
}

.recognition__card h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--brown);
}

.recognition__card p {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.75;
  color: #5A3E33;
}

.recognition__quote {
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--brown);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.65;
  padding: 0 16px;
}

.recognition__quote::before { content: '\201C'; }
.recognition__quote::after  { content: '\201D'; }

/* ═══════════════════════════════════════════
   SEÇÃO 3 — DIAGNÓSTICO
═══════════════════════════════════════════ */
.diagnosis {
  background-color: var(--bg);
}

.diagnosis__inner {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 72px;
  align-items: center;
}

.diagnosis__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 36px;
  line-height: 1.25;
}

.diagnosis__body p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.85;
  color: #3E2018;
  margin-bottom: 20px;
}

.diagnosis__body p:last-child { margin-bottom: 0; }

.diagnosis__body p strong {
  font-weight: 700;
  color: var(--brown);
}

.diagnosis__image {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  margin-top: 12px;
  background-color: var(--divider);
}

.diagnosis__image img {
  border-radius: 16px;
}

/* ═══════════════════════════════════════════
   SEÇÃO 4 — SOLUÇÃO / PRODUTO
═══════════════════════════════════════════ */
.solution {
  background-color: var(--bg-terra);
}

.solution__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.solution__label {
  color: #7A3E22;
}

.solution__title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--brown);
}

.solution__subtitle {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.75;
  color: #5A3E33;
  margin-bottom: 28px;
}

.solution__text {
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.8;
  color: #5A3E33;
}

.solution__image {
  height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
}

/* ═══════════════════════════════════════════
   SEÇÃO 5 — CONTEÚDO
═══════════════════════════════════════════ */
.contents {
  background-color: var(--bg);
  border-top: 1px solid var(--divider);
}

.contents__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 56px;
}

.contents__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.contents__item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 32px;
  background: var(--card-bg);
  border-radius: 16px;
  border: 1px solid var(--divider);
  box-shadow: 0 2px 12px rgba(44, 24, 16, 0.05);
}

.contents__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--terra);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--terra);
}

.contents__item h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--brown);
}

.contents__item p {
  font-size: 0.93rem;
  font-weight: 300;
  line-height: 1.7;
  color: #5A3E33;
}

/* ═══════════════════════════════════════════
   SEÇÃO 6 — AUTOR
═══════════════════════════════════════════ */
.author {
  background-color: var(--bg-alt);
  border-top: 1px solid var(--divider);
}

.author__inner {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 72px;
  align-items: center;
}

.author__image {
  border-radius: 20px;
  overflow: hidden;
  height: 420px;
  background-color: var(--divider);
  box-shadow: 0 8px 32px rgba(44, 24, 16, 0.1);
}

.author__name {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.author__role {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--terra);
  margin-bottom: 32px;
}

.author__text p {
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.85;
  color: #3E2018;
  margin-bottom: 18px;
}

.author__text p:last-child { margin-bottom: 0; }

/* ═══════════════════════════════════════════
   SEÇÃO 7 — OFERTA
═══════════════════════════════════════════ */
.offer {
  background-color: var(--bg);
  border-top: 1px solid var(--divider);
}

.offer__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
}

.offer__card {
  background: var(--card-bg);
  border-radius: 24px;
  box-shadow: 0 4px 40px rgba(44, 24, 16, 0.1);
  border: 1px solid var(--divider);
  max-width: 820px;
  margin: 0 auto;
  overflow: hidden;
}

.offer__card-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}

.offer__pricing {
  background-color: var(--bg-terra);
  padding: 52px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  text-align: center;
}

.offer__badge {
  background-color: var(--terra);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
}

.offer__old-price {
  font-size: 1rem;
  color: #9A837A;
  text-decoration: line-through;
}

.offer__price {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--brown);
  line-height: 1;
}

.offer__price span {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 400;
  vertical-align: super;
  margin-right: 2px;
}

.offer__installments {
  font-size: 0.9rem;
  color: #5A3E33;
}

.offer__details {
  padding: 52px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 24px;
}

.offer__includes-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.offer__includes {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.offer__includes li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.5;
  color: #3E2018;
}

.offer__includes li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--sage);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10'%3E%3Cpath d='M1 5l3 3 7-7' stroke='white' stroke-width='1.8' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px 8px;
  margin-top: 2px;
}

.offer__cta-wrap {
  background-color: #F8F2EC;
  padding: 40px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--divider);
}

.offer__cta-wrap .btn-primary { width: 100%; max-width: 480px; }

.offer__guarantee {
  max-width: 480px;
  text-align: center;
  font-size: 0.83rem;
  font-weight: 300;
  color: #7A6A62;
  line-height: 1.65;
  padding: 20px 24px;
  border-radius: 12px;
  border: 1px dashed var(--divider);
  background: var(--card-bg);
  margin-top: 4px;
}

.offer__guarantee strong {
  color: var(--sage);
  font-weight: 700;
}

/* ═══════════════════════════════════════════
   SEÇÃO 8 — DEPOIMENTOS
═══════════════════════════════════════════ */
.testimonials {
  background-color: var(--bg-alt);
  border-top: 1px solid var(--divider);
}

.testimonials__title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 48px;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonials__card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 2px 16px rgba(44, 24, 16, 0.06);
  border: 1px solid var(--divider);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.testimonials__quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--brown);
  flex: 1;
}

.testimonials__quote::before { content: '\201C'; }
.testimonials__quote::after  { content: '\201D'; }

.testimonials__author {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--terra);
  letter-spacing: 0.04em;
}

/* ═══════════════════════════════════════════
   SEÇÃO 9 — FAQ
═══════════════════════════════════════════ */
.faq {
  background-color: var(--bg);
  border-top: 1px solid var(--divider);
}

.faq__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 56px;
}

.faq__list {
  max-width: 740px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq__item {
  background: var(--card-bg);
  border-radius: 14px;
  border: 1px solid var(--divider);
  overflow: hidden;
}

.faq__question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.97rem;
  font-weight: 700;
  color: var(--brown);
  transition: color 0.2s;
}

.faq__question:hover { color: var(--terra); }

.faq__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--divider);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, border-color 0.2s, background-color 0.2s;
}

.faq__icon svg {
  transition: transform 0.3s ease;
}

.faq__item.open .faq__icon {
  border-color: var(--terra);
  background-color: var(--terra);
}

.faq__item.open .faq__icon svg { transform: rotate(45deg); }
.faq__item.open .faq__icon svg path { stroke: white; }

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease;
}

.faq__item.open .faq__answer {
  max-height: 400px;
}

.faq__answer-inner {
  padding: 0 28px 24px;
  font-size: 0.93rem;
  font-weight: 300;
  line-height: 1.8;
  color: #5A3E33;
}

/* ═══════════════════════════════════════════
   RODAPÉ
═══════════════════════════════════════════ */
.footer {
  background-color: var(--brown);
  color: rgba(255,255,255,0.55);
  text-align: center;
  padding: 48px 24px;
  font-size: 0.83rem;
  line-height: 1.8;
  letter-spacing: 0.03em;
}

.footer strong { color: rgba(255,255,255,0.85); }

/* ═══════════════════════════════════════════
   MOBILE — 768px
═══════════════════════════════════════════ */
@media (max-width: 768px) {
  .section-pad  { padding: 64px 0; }
  .section-pad-sm { padding: 52px 0; }

  /* Hero */
  .hero { min-height: auto; }
  .hero__inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero__content {
    padding: 64px 24px 48px;
    max-width: 100%;
  }
  .hero__cta-wrap { align-items: stretch; }
  .hero__cta-wrap .btn-primary { text-align: center; }
  .hero__image-col {
    position: relative;
    height: 320px;
  }
  .hero__image-col img { position: relative; height: 320px; }

  /* Recognition */
  .recognition__grid { grid-template-columns: 1fr; }

  /* Diagnosis */
  .diagnosis__inner { grid-template-columns: 1fr; gap: 36px; }
  .diagnosis__image { aspect-ratio: 3 / 4; height: auto; }

  /* Solution */
  .solution__inner { grid-template-columns: 1fr; gap: 36px; }
  .solution__image { order: -1; height: 360px; }

  /* Contents */
  .contents__grid { grid-template-columns: 1fr; }

  /* Author */
  .author__inner { grid-template-columns: 1fr; gap: 36px; }
  .author__image { height: 300px; }

  /* Offer */
  .offer__card-inner { grid-template-columns: 1fr; }
  .offer__pricing { padding: 40px 32px; }
  .offer__details { padding: 36px 32px; }
  .offer__cta-wrap { padding: 32px 24px; }

  /* Testimonials */
  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  /* FAQ */
  .faq__question { padding: 20px 20px; }
  .faq__answer-inner { padding: 0 20px 20px; }
}

/* ─── Sticky Bar — mobile only ─── */
#sticky-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background-color: var(--terra);
  padding: 14px 24px;
  text-align: center;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.12);
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

#sticky-bar.visible {
  opacity: 1;
  transform: translateY(0);
}

#sticky-bar a {
  display: block;
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  text-decoration: none;
}

#sticky-bar .sticky-price {
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.85;
  margin-top: 2px;
}

@media (min-width: 769px) {
  #sticky-bar { display: none !important; }
}