/* ==========================================================================
   NÓS CONTRA O PROBLEMA™ — Landing Page
   Paleta: azul-marinho #0F2238 | verde petróleo #1F6F68 | dourado #D4A84F
           bege claro #F3EBDD | branco #FFFFFF | cinza escuro #263238
   ========================================================================== */

:root {
  --navy: #0F2238;
  --teal: #1F6F68;
  --gold: #D4A84F;
  --cream: #F3EBDD;
  --white: #FFFFFF;
  --text-dark: #263238;

  --font-title: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-soft: 0 4px 20px rgba(15, 34, 56, 0.08);
  --shadow-medium: 0 8px 30px rgba(15, 34, 56, 0.12);

  --max-width: 1140px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background-color: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Focus visibility for accessibility */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.tm {
  font-size: 0.55em;
  vertical-align: super;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  text-align: center;
  border-radius: 999px;
  cursor: pointer;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  letter-spacing: 0.02em;
}

.btn-primary {
  background-color: var(--gold);
  color: var(--navy);
}

.btn-primary:hover {
  background-color: #c99c3f;
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-large {
  padding: 18px 36px;
  font-size: 1.05rem;
  width: 100%;
  max-width: 480px;
}

.btn-small {
  padding: 10px 20px;
  font-size: 0.85rem;
}

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

.cta-center {
  text-align: center;
  margin-top: 48px;
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid transparent;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.site-header.scrolled {
  box-shadow: var(--shadow-soft);
  border-bottom-color: rgba(15, 34, 56, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}

.logo {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--navy);
  letter-spacing: 0.01em;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  background: linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
  padding: 64px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("images/casal-hero.jpg");
  background-size: cover;
  background-position: center;
  opacity: 0.07;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--teal);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-text h1 {
  font-family: var(--font-title);
  font-size: 2.5rem;
  line-height: 1.25;
  color: var(--navy);
  font-weight: 800;
  margin-bottom: 20px;
}

.subheadline {
  font-size: 1.15rem;
  color: var(--text-dark);
  font-weight: 500;
  margin-bottom: 16px;
}

.hero-complement {
  font-size: 1rem;
  color: #4a5560;
  margin-bottom: 28px;
}

.price-block {
  margin-bottom: 24px;
}

.price-value {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--navy);
}

.micro-note {
  margin-top: 14px;
  font-size: 0.9rem;
  color: #6b7580;
}

.micro-note.light {
  color: rgba(255, 255, 255, 0.75);
}

.hero-media {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-badge-card {
  background-color: var(--navy);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  box-shadow: var(--shadow-medium);
}

.hero-badge-title {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 10px;
}

.hero-badge-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
}

/* ==========================================================================
   Image frames (with elegant placeholder support)
   ========================================================================== */

.img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  background-color: var(--cream);
}

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

.img-frame-hero {
  aspect-ratio: 4 / 3;
}

.img-frame-product {
  aspect-ratio: 4 / 5;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}

.img-frame-product img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.img-frame-workbook {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
}

.img-frame-workbook img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.placeholder-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--cream) 0%, #e9dcc4 100%);
  border: 1px dashed var(--gold);
}

.placeholder-label {
  font-family: var(--font-title);
  color: var(--navy);
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 24px;
  opacity: 0.75;
  white-space: pre-line;
}

/* ==========================================================================
   Section basics
   ========================================================================== */

.section {
  padding: 88px 0;
}

.section-title {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.3;
  margin-bottom: 16px;
}

.section-title.center {
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.section-title.light {
  color: var(--white);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--teal);
  font-weight: 600;
  margin-bottom: 48px;
}

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

.text-block {
  max-width: 640px;
  margin: 40px auto;
  text-align: center;
  font-size: 1.05rem;
}

.text-block p {
  margin-bottom: 14px;
}

.quote-line {
  font-style: italic;
  font-weight: 600;
  color: var(--navy);
  font-size: 1.15rem;
}

.text-center-block {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 16px;
  font-size: 1.05rem;
}

.highlight-box {
  background-color: var(--cream);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  max-width: 700px;
  margin: 40px auto 0;
  text-align: center;
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--navy);
}

.big-statement {
  text-align: center;
  margin-top: 56px;
}

.big-statement p {
  font-family: var(--font-title);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1.4;
}

/* ==========================================================================
   Seção 2 — Pain cards
   ========================================================================== */

.pain-section {
  background-color: var(--white);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.pain-card {
  background-color: var(--cream);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  text-align: center;
  font-weight: 600;
  color: var(--navy);
  box-shadow: var(--shadow-soft);
  font-size: 0.95rem;
}

/* ==========================================================================
   Seção 3 — Opportunity
   ========================================================================== */

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

.inline-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto 32px;
}

.inline-list li {
  background-color: var(--white);
  border-radius: 999px;
  padding: 10px 22px;
  font-weight: 600;
  color: var(--teal);
  box-shadow: var(--shadow-soft);
  font-size: 0.92rem;
}

/* ==========================================================================
   Seção 4 — Método DESARME
   ========================================================================== */

.method-section {
  background-color: var(--white);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

.method-card {
  background-color: var(--white);
  border: 1px solid rgba(15, 34, 56, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.method-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.method-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--navy);
  color: var(--gold);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.4rem;
  margin-bottom: 18px;
}

.method-card h3 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  color: var(--navy);
  margin-bottom: 10px;
  font-weight: 700;
}

.method-card p {
  color: #4a5560;
  font-size: 0.95rem;
}

/* ==========================================================================
   Seção 5 — Benefícios
   ========================================================================== */

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

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.benefit-item {
  background-color: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  font-weight: 600;
  color: var(--navy);
  box-shadow: var(--shadow-soft);
  position: relative;
  padding-left: 48px;
}

.benefit-item::before {
  content: "✓";
  position: absolute;
  left: 20px;
  color: var(--teal);
  font-weight: 700;
}

/* ==========================================================================
   Seção 6 — Para quem é
   ========================================================================== */

.audience-section {
  background-color: var(--white);
}

.check-list {
  max-width: 700px;
  margin: 0 auto;
}

.check-list li {
  padding: 14px 0 14px 40px;
  position: relative;
  border-bottom: 1px solid rgba(15, 34, 56, 0.08);
  font-size: 1.02rem;
}

.check-list li:last-child {
  border-bottom: none;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
  font-size: 1.1rem;
}

/* ==========================================================================
   Seção 7 — O que está incluso
   ========================================================================== */

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

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

.product-card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  position: relative;
}

.product-card h3 {
  font-family: var(--font-title);
  color: var(--navy);
  font-size: 1.1rem;
  margin-bottom: 6px;
  font-weight: 700;
}

.product-name {
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 14px;
}

.product-card p {
  color: #4a5560;
  font-size: 0.95rem;
}

.product-list {
  margin-top: 14px;
}

.product-list li {
  font-size: 0.9rem;
  color: #4a5560;
  padding: 5px 0 5px 22px;
  position: relative;
}

.product-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--gold);
}

.badge-bonus {
  position: absolute;
  top: 20px;
  right: 20px;
  background-color: var(--gold);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Seção 8 — Workbook
   ========================================================================== */

.workbook-section {
  background-color: var(--white);
}

.workbook-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.workbook-text .section-title,
.workbook-text .section-subtitle {
  text-align: left;
  margin-left: 0;
  margin-right: 0;
}

.workbook-text p {
  margin-bottom: 8px;
}

.simple-list {
  margin-top: 16px;
}

.simple-list li {
  padding: 8px 0 8px 24px;
  position: relative;
  color: #4a5560;
}

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

/* ==========================================================================
   Seção 9 — Antes e depois
   ========================================================================== */

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

.ba-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.ba-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.ba-col {
  border-radius: var(--radius-md);
  padding: 22px 24px;
  box-shadow: var(--shadow-soft);
}

.ba-before {
  background-color: #fdf1e9;
  border-left: 4px solid #c97b5a;
}

.ba-after {
  background-color: #eaf3f1;
  border-left: 4px solid var(--teal);
}

.ba-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  color: #6b7580;
}

.ba-col p {
  font-weight: 600;
  color: var(--navy);
}

/* ==========================================================================
   Seção 10 — Timeline
   ========================================================================== */

.timeline-section {
  background-color: var(--white);
}

.timeline {
  max-width: 640px;
  margin: 0 auto;
  counter-reset: step;
}

.timeline li {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(15, 34, 56, 0.08);
  font-weight: 600;
  color: var(--navy);
  font-size: 1.05rem;
}

.timeline li:last-child {
  border-bottom: none;
}

.timeline-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--teal);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 700;
}

.timeline-flow {
  text-align: center;
  margin-top: 40px;
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--gold);
  background-color: var(--navy);
  padding: 20px;
  border-radius: var(--radius-md);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Seção 11 — Oferta
   ========================================================================== */

.offer-section {
  background-color: var(--navy);
  color: var(--white);
}

.offer-box {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(212, 168, 79, 0.35);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
}

.offer-list {
  text-align: left;
  max-width: 380px;
  margin: 0 auto 32px;
}

.offer-list li {
  padding: 10px 0 10px 32px;
  position: relative;
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
}

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

.offer-price {
  font-family: var(--font-title);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--gold);
  margin-bottom: 28px;
}

/* ==========================================================================
   Seção 12 — FAQ
   ========================================================================== */

.faq-section {
  background-color: var(--white);
}

.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(15, 34, 56, 0.1);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: none;
  border: none;
  text-align: left;
  padding: 22px 4px;
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.4rem;
  color: var(--gold);
  font-weight: 400;
  transition: transform 0.25s ease;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 4px;
}

.faq-answer p {
  padding-bottom: 22px;
  color: #4a5560;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

/* ==========================================================================
   Seção 13 — Aviso
   ========================================================================== */

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

.notice-box {
  max-width: 760px;
  margin: 0 auto;
  border: 1px solid rgba(15, 34, 56, 0.12);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  background-color: var(--white);
}

.notice-title {
  font-family: var(--font-title);
  color: var(--navy);
  font-size: 1.1rem;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.notice-box p {
  font-size: 0.92rem;
  color: #4a5560;
  margin-bottom: 10px;
}

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

/* ==========================================================================
   Seção 14 — CTA Final
   ========================================================================== */

.final-cta-section {
  background: linear-gradient(160deg, var(--navy) 0%, #17324f 100%);
  color: var(--white);
  text-align: center;
}

.final-cta-text {
  max-width: 640px;
  margin: 0 auto 32px;
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
}

.final-price {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 28px;
}

.final-signature {
  margin-top: 40px;
}

.final-logo {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--gold);
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.final-tagline {
  color: rgba(255, 255, 255, 0.75);
  font-style: italic;
  margin-bottom: 6px;
}

.final-author {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background-color: var(--text-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 40px 0;
  text-align: center;
  font-size: 0.85rem;
}

.footer-inner p {
  margin-bottom: 6px;
}

.footer-links {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ==========================================================================
   Mobile sticky CTA
   ========================================================================== */

.mobile-sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background-color: var(--white);
  padding: 12px 16px;
  box-shadow: 0 -4px 20px rgba(15, 34, 56, 0.15);
  display: none;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.mobile-sticky-cta .btn {
  padding: 15px 24px;
  font-size: 0.95rem;
}

/* ==========================================================================
   Responsive — Tablet
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-grid {
    gap: 40px;
  }

  .method-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

/* ==========================================================================
   Responsive — Mobile
   ========================================================================== */

@media (max-width: 768px) {
  .section {
    padding: 56px 0;
  }

  .container {
    padding: 0 20px;
  }

  .hero {
    padding: 40px 0 56px;
  }

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

  .hero-media {
    order: -1;
  }

  .hero-text h1 {
    font-size: 1.7rem;
  }

  .subheadline {
    font-size: 1.02rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .big-statement p {
    font-size: 1.5rem;
  }

  .pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .workbook-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .workbook-text .section-title,
  .workbook-text .section-subtitle {
    text-align: center;
  }

  .ba-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .btn-large {
    max-width: 100%;
    width: 100%;
    font-size: 0.95rem;
    padding: 16px 24px;
  }

  .offer-box {
    padding: 36px 24px;
  }

  .offer-price {
    font-size: 2rem;
  }

  .notice-box {
    padding: 28px 24px;
  }

  .header-inner {
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .logo {
    font-size: 0.85rem;
  }

  main {
    padding-bottom: 76px;
  }

  .mobile-sticky-cta {
    display: block;
    transform: translateY(100%);
  }

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

@media (max-width: 480px) {
  .pain-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-text h1 {
    font-size: 1.5rem;
  }

  .inline-list li {
    font-size: 0.85rem;
    padding: 8px 16px;
  }
}