:root {
  --primary-blue: #1e3a8a;
  /* Deep blue */
  --accent-blue: #3b82f6;
  /* Brighter blue */
  --cta-color: #2563eb;
  --cta-hover: #1d4ed8;
  --text-dark: #1f2937;
  --text-body: #4b5563;
  --bg-light: #f3f4f6;
  --bg-white: #ffffff;
  --font-serif: 'Crimson Pro', serif;
  --font-sans: 'Heebo', sans-serif;
  --container-width: 1000px;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-body);
  line-height: 1.6;
  background-color: var(--bg-white);
  font-size: 16px;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-serif);
  color: var(--text-dark);
  line-height: 1.2;
}

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

/* --- Components --- */

.cta-button {
  display: inline-block;
  background-color: var(--cta-color);
  color: white;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  padding: 18px 32px;
  border-radius: 8px;
  transition: background-color 0.3s ease, transform 0.2s ease;
  text-align: center;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  letter-spacing: 0.5px;
  border-bottom: 4px solid #1e40af;
}

.cta-button:hover {
  background-color: var(--cta-hover);
  transform: translateY(-2px);
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary-blue);
}

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

.hero {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  padding: 80px 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.eyebrow {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent-blue);
  margin-bottom: 1rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 2rem;
  color: var(--primary-blue);
}

.hero-values {
  list-style: none;
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 1.2rem;
  color: var(--text-dark);
}

.hero-values li::before {
  content: "✓";
  color: var(--cta-color);
  margin-right: 8px;
  font-weight: bold;
}

.friction-remover {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #64748b;
  font-weight: 500;
}

/* --- Intro Section --- */

.intro {
  padding: 60px 0;
  background: #fff;
}

.intro-box {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  font-size: 1.125rem;
}

.intro-usp {
  margin-bottom: 30px;
}

.pain-solution {
  background-color: #f8fafc;
  border-left: 5px solid var(--accent-blue);
  padding: 30px;
  border-radius: 4px;
  text-align: left;
}

.solution-highlight {
  margin-top: 15px;
  color: var(--primary-blue);
  font-weight: 500;
}

/* --- Social Proof --- */

.social-proof {
  padding: 60px 0;
  background-color: var(--bg-light);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.review-card {
  background: white;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.stars {
  color: #fbbf24;
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.review-card p {
  font-style: italic;
  margin-bottom: 15px;
}

.review-card cite {
  font-weight: 700;
  font-style: normal;
  color: var(--text-dark);
}

/* --- Benefits --- */

.benefits {
  padding: 80px 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.problem-card {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  text-align: center;
}

.problem-card h3 {
  color: var(--primary-blue);
  margin-bottom: 15px;
  font-size: 1.3rem;
}

/* --- Differentiators --- */

.differentiators {
  padding: 80px 0;
  background-color: #eff6ff;
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.diff-item h4 {
  color: var(--cta-color);
  font-size: 1.4rem;
  margin-bottom: 10px;
}

/* --- Methodology --- */

.methodology {
  padding: 80px 0;
}

.methodology-header {
  text-align: center;
  margin-bottom: 60px;
}

.steps-list {
  max-width: 800px;
  margin: 0 auto;
}

.step-item {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #e5e7eb;
}

.step-number {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  color: #cbd5e1;
  font-weight: 700;
  line-height: 0.8;
}

/* --- Offer Section --- */

.offer-section {
  padding: 80px 0;
  background: linear-gradient(to bottom, #fff, #f0f9ff);
}

.offer-features-list {
  max-width: 600px;
  margin: 0 auto 40px;
  text-align: left;
}

.offer-features-list ul {
  list-style: none;
  font-size: 1.1rem;
}

.offer-features-list li {
  margin-bottom: 10px;
}

.offer-card {
  background: white;
  max-width: 600px;
  margin: 0 auto;
  padding: 50px;
  border-radius: 20px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  text-align: center;
  border: 2px solid #bfdbfe;
}

.offer-card h2 {
  color: var(--primary-blue);
  margin-bottom: 30px;
}

.strikethrough {
  text-decoration: line-through;
  color: #ef4444;
}

.final-price-box {
  margin-bottom: 30px;
}

.price-display {
  color: var(--cta-color);
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: 8px;
}

.installments {
  font-size: 1.5rem;
  font-weight: 500;
}

.price-value {
  font-size: 4rem;
  font-weight: 700;
  font-family: var(--font-serif);
}

.guarantee-text {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #64748b;
}

.cta-large {
  width: 100%;
}

/* --- About & Intent --- */

.about-team {
  padding: 60px 0;
  text-align: center;
}

.about-box {
  max-width: 700px;
  margin: 0 auto;
}

.about-box h3 {
  margin-bottom: 20px;
  font-size: 2rem;
}

.intent-section {
  padding: 60px 0;
  background-color: var(--bg-light);
}

.intent-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.intent-card {
  background: white;
  padding: 30px;
  border-radius: 8px;
}

.intent-card h4 {
  margin-bottom: 10px;
  font-size: 1.25rem;
  color: var(--primary-blue);
}

/* --- FAQs --- */

.faq-section {
  padding: 80px 0;
}

.faq-item {
  max-width: 800px;
  margin: 0 auto 20px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  overflow: hidden;
}

.faq-item summary {
  padding: 20px;
  background-color: #f8fafc;
  cursor: pointer;
  font-weight: 700;
  color: var(--text-dark);
  list-style: none;
  /* Hide default triangle in some browsers */
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item[open] summary {
  background-color: #e2e8f0;
}

.faq-content {
  padding: 20px;
  background-color: white;
}

/* --- Final CTA --- */

.final-cta {
  padding: 80px 0;
  text-align: center;
  background-color: var(--primary-blue);
  color: white;
}

.final-cta h2 {
  color: white;
  margin-bottom: 30px;
}

.recap-list {
  list-style: none;
  margin-bottom: 40px;
  font-size: 1.2rem;
}

.recap-list li {
  display: inline-block;
  margin: 0 15px;
}

/* --- Footer --- */

footer {
  padding: 30px 0;
  text-align: center;
  background-color: #0f172a;
  color: #94a3b8;
  font-size: 0.9rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .diff-grid {
    grid-template-columns: 1fr;
  }

  .recap-list li {
    display: block;
    margin: 10px 0;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}