:root {
  --brand: #1a4e8a;
  --brand-dark: #133a6b;
  --brand-light: #e8f0fa;
  --whatsapp: #25d366;
  --whatsapp-dark: #1da851;
  --text-muted: #5c6b7a;
  --section-alt: #f4f7fb;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #1a2332;
  background: #fff;
}

/* Navbar */
.site-nav {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 1px 8px rgba(26, 78, 138, 0.06);
}

.site-nav .navbar-brand {
  font-weight: 700;
  color: var(--brand);
  letter-spacing: 0.02em;
}

.site-nav .nav-link {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem !important;
  transition: color 0.15s;
}

.site-nav .nav-link:hover {
  color: var(--brand);
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%);
  color: #fff;
  padding: 5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -15%;
  width: 55%;
  height: 180%;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.65rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.hero .lead {
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 36rem;
  line-height: 1.6;
}

.hero-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 2rem;
  padding: 0.35rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

/* WhatsApp CTA */
.btn-whatsapp {
  background: var(--whatsapp);
  border: none;
  color: #fff;
  font-weight: 600;
  padding: 0.85rem 1.75rem;
  border-radius: 2rem;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  text-decoration: none;
}

.btn-whatsapp:hover {
  background: var(--whatsapp-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp:disabled,
.btn-whatsapp.disabled {
  background: #94a3b8;
  box-shadow: none;
  pointer-events: none;
  opacity: 0.7;
}

.btn-whatsapp svg {
  width: 1.35rem;
  height: 1.35rem;
  flex-shrink: 0;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--section-alt);
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-muted);
  max-width: 38rem;
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

/* Steps */
.step-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  padding: 1.75rem;
  height: 100%;
  transition: box-shadow 0.2s;
}

.section-alt .step-card {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.step-card:hover {
  box-shadow: 0 6px 20px rgba(26, 78, 138, 0.1);
}

.step-number {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--brand);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--brand-dark);
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0;
  line-height: 1.55;
}

.step-card ul {
  color: var(--text-muted);
  font-size: 0.95rem;
  padding-left: 1.2rem;
  margin-bottom: 0;
  line-height: 1.7;
}

/* Pricing */
.plan-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  height: 100%;
  text-align: center;
  position: relative;
  transition: box-shadow 0.2s, border-color 0.2s;
}

.plan-card:hover {
  box-shadow: 0 8px 24px rgba(26, 78, 138, 0.12);
}

.plan-card.featured {
  border-color: var(--brand);
  box-shadow: 0 4px 20px rgba(26, 78, 138, 0.15);
}

.plan-badge {
  position: absolute;
  top: -0.75rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.85rem;
  border-radius: 1rem;
  white-space: nowrap;
}

.plan-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--brand-dark);
  margin-bottom: 0.5rem;
}

.plan-price {
  font-size: 2rem;
  font-weight: 700;
  color: var(--brand);
  margin: 1rem 0;
}

.plan-price small {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-muted);
}

.plan-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* FAQ */
.faq-accordion .accordion-button {
  font-weight: 600;
  color: var(--brand-dark);
  font-size: 0.95rem;
}

.faq-accordion .accordion-button:not(.collapsed) {
  background: var(--brand-light);
  color: var(--brand);
}

.faq-accordion .accordion-body {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* CTA band */
.cta-band {
  background: var(--brand-light);
  border-top: 1px solid #d0dff0;
  border-bottom: 1px solid #d0dff0;
  padding: 3rem 0;
  text-align: center;
}

.cta-band h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 0.75rem;
}

.cta-band p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Footer */
.site-footer {
  background: #1a2332;
  color: rgba(255, 255, 255, 0.55);
  padding: 2rem 0 1.5rem;
  font-size: 0.8rem;
}

.site-footer .pas-info {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.75rem;
  margin-top: 0.75rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
}

.site-footer a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* Payment icons row */
.payment-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.payment-tag {
  background: var(--brand-light);
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border-radius: 0.35rem;
}

@media (max-width: 767.98px) {
  .hero {
    padding: 3.5rem 0 3rem;
    text-align: center;
  }

  .hero .lead {
    margin-left: auto;
    margin-right: auto;
  }

  .section {
    padding: 3rem 0;
  }
}