@import url(https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap);
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-dark: #202C3C;
  --bg-white: #FFFFFF;
  --bg-muted: #F3F5F7;
  --primary: #FFD900;
  --primary-dark: #E5C300;
  --text-dark: #202C3C;
  --text-gray: #6B7280;
  --text-light: #9CA3AF;
  --border: #E5E7EB;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-pill: 9999px;
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-white);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.section { padding: 80px 0; }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-header h2 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 18px;
  color: var(--text-gray);
  max-width: 600px;
  margin: 0 auto;
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== HERO ========== */
.hero {
  background: var(--bg-dark);
  color: #fff;
  padding: 100px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-content { flex: 1; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 217, 0, 0.15);
  border: 1px solid rgba(255, 217, 0, 0.3);
  color: var(--primary);
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  color: var(--primary);
}

.hero-content p {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 480px;
}

.hero-content p strong {
  color: #fff;
  font-weight: 700;
}

.hero-image { flex: 1; display: flex; justify-content: center; }

.hero-image img {
  max-width: 520px;
  border-radius: var(--radius);
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--primary);
  color: var(--text-dark);
  padding: 16px 32px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 217, 0, 0.3);
}

/* ========== FEATURES (Ecossistema) ========== */
.features-section { background: var(--bg-white); }

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

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.feature-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 24px;
}

.feature-icon.map { background: #EFF6FF; }
.feature-icon.fuel { background: #F0FDF4; }
.feature-icon.plug { background: #FFFBEB; }

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.feature-card p {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.6;
}

.feature-card img {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-top: 16px;
  border: 1px solid var(--border);
}

/* ========== STEPS ========== */
.steps-section { background: rgba(243, 245, 247, 0.5); }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}

.step {
  text-align: center;
  position: relative;
}

.step-number {
  font-size: 64px;
  font-weight: 900;
  color: var(--primary);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 16px;
}

.step-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step-icon svg { width: 28px; height: 28px; }

/* Arrow between steps */
.step-arrow {
  position: absolute;
  top: 140px;
  right: -12px;
  color: var(--text-light);
  font-size: 24px;
}

.step h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.step p {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.6;
  max-width: 280px;
  margin: 0 auto;
}

/* ========== BUYBACK ========== */
.buyback-section { background: var(--bg-white); }

.buyback-card {
  display: flex;
  align-items: center;
  gap: 48px;
  max-width: 900px;
  margin: 0 auto;
}

.buyback-icon {
  flex-shrink: 0;
  width: 200px;
  height: 200px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

.buyback-icon svg { width: 80px; height: 80px; stroke: var(--text-dark); }

.buyback-text h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  color: var(--text-dark);
}

.buyback-text p {
  font-size: 17px;
  color: var(--text-gray);
  line-height: 1.7;
  margin-bottom: 8px;
}

.buyback-text .highlight-text {
  color: var(--text-dark);
  font-weight: 700;
}

.guarantee-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 600;
  margin-top: 16px;
}

.guarantee-badge svg { stroke: var(--primary-dark); }

/* ========== TESTIMONIALS ========== */
.testimonials-section { background: var(--bg-white); }

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

.testimonial-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.stars {
  color: var(--primary);
  font-size: 20px;
  letter-spacing: 4px;
  margin-bottom: 16px;
}

.testimonial-card blockquote {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-dark);
}

.testimonial-author strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
}

.testimonial-author span {
  font-size: 13px;
  color: var(--text-light);
}

/* ========== PRICING ========== */
.pricing-section {
  background: var(--bg-dark);
  color: #fff;
}

.pricing-section .section-header h2 { color: var(--primary); }
.pricing-section .section-header p { color: rgba(255,255,255,0.6); }

.pricing-card {
  max-width: 480px;
  margin: 0 auto;
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 44px 36px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.pricing-label {
  font-size: 13px;
  color: var(--text-gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.pricing-price { margin-bottom: 28px; }

.pricing-price .currency {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-gray);
  vertical-align: top;
  line-height: 2.2;
}

.pricing-price .amount {
  font-size: 64px;
  font-weight: 900;
  color: var(--text-dark);
  letter-spacing: -0.03em;
}

.pricing-price .cents {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
  vertical-align: top;
  line-height: 2.2;
}

.pricing-price .period {
  font-size: 18px;
  color: var(--text-gray);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
  text-align: left;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  font-size: 15px;
  color: var(--text-gray);
  border-bottom: 1px solid var(--border);
}

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

.pricing-features .check {
  color: var(--primary-dark);
  font-size: 16px;
  flex-shrink: 0;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--primary);
  color: var(--text-dark);
  padding: 16px 36px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 700;
  transition: var(--transition);
  width: 100%;
}

.btn-cta:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 217, 0, 0.3);
}

/* ========== FOOTER ========== */
.footer {
  padding: 32px 0;
  text-align: center;
  background: var(--bg-dark);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer p {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

/* ========== WHATSAPP FLOAT ========== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg { width: 30px; height: 30px; fill: white; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .hero .container { flex-direction: column; text-align: center; }
  .hero-content h1 { font-size: 40px; }
  .hero-content p { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-image img { max-width: 400px; }
  .features-grid, .steps-grid, .testimonials-grid { grid-template-columns: 1fr; gap: 20px; }
  .section-header h2 { font-size: 32px; }
  .buyback-card { flex-direction: column; text-align: center; }
  .buyback-icon { width: 140px; height: 140px; }
  .buyback-icon svg { width: 56px; height: 56px; }
  .step-arrow { display: none; }
}

@media (max-width: 640px) {
  .hero { padding: 80px 0 60px; }
  .hero-content h1 { font-size: 32px; }
  .section { padding: 60px 0; }
  .pricing-card { padding: 28px 20px; }
  .pricing-price .amount { font-size: 48px; }
  .buyback-text h2 { font-size: 28px; }
}