* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #06111f;
  color: #e5e7eb;
}

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

.hero {
  min-height: 720px;
  background:
    radial-gradient(circle at 80% 20%, rgba(37, 99, 235, .28), transparent 30%),
    linear-gradient(180deg, #020617, #071426 70%, #06111f);
  padding: 24px;
}

.nav {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

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

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: #ffffff;
  color: #071426;
  display: grid;
  place-items: center;
  font-size: 24px;
}

.brand strong {
  display: block;
  font-size: 20px;
  font-weight: 900;
}

.brand span {
  display: block;
  color: #94a3b8;
  font-size: 13px;
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 800;
  color: #cbd5e1;
  flex-wrap: wrap;
}

.nav-button,
.primary,
.secondary,
.whatsapp,
.call {
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 900;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.nav-button,
.primary {
  background: linear-gradient(90deg, #2563eb, #0d6efd);
  color: #ffffff;
}

.secondary,
.call {
  border: 1px solid rgba(255,255,255,.18);
  color: #dbeafe;
  background: rgba(15, 23, 42, .35);
}

.hero-content {
  max-width: 1180px;
  margin: 92px auto 0;
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 28px;
  align-items: center;
}

.badge,
.section-title span,
.contact span,
.download span {
  color: #60a5fa;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 13px;
}

h1 {
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.02;
  margin: 14px 0;
  letter-spacing: -2px;
}

.hero-text p,
.contact p,
.download p {
  color: #b6c6dc;
  line-height: 1.7;
  font-size: 17px;
  max-width: 720px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.hero-card,
.feature-card,
.price-card,
.contact-card,
.example-box,
.download {
  background: rgba(11, 27, 45, .86);
  border: 1px solid rgba(148, 163, 184, .18);
  box-shadow: 0 20px 55px rgba(0,0,0,.34);
}

.hero-card {
  border-radius: 22px;
  padding: 26px;
}

.hero-card h2 {
  margin-top: 0;
  font-size: 26px;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: #dbe4f0;
  line-height: 2;
  font-weight: 700;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 42px 24px 70px;
}

.section-title {
  margin-bottom: 20px;
}

.section-title h2,
.contact h2,
.download h2 {
  margin: 8px 0 0;
  font-size: clamp(28px, 3.2vw, 42px);
  letter-spacing: -1px;
}

.feature-grid,
.pricing-grid {
  display: grid;
  gap: 16px;
}

.feature-grid {
  grid-template-columns: repeat(4, 1fr);
}

.feature-card,
.price-card {
  border-radius: 18px;
  padding: 20px;
}

.feature-card h3,
.price-card h3,
.contact-card h3 {
  margin: 0 0 10px;
}

.feature-card p,
.muted {
  color: #9fb1c8;
  line-height: 1.6;
}

.pricing {
  padding-top: 46px;
}

.pricing-grid {
  grid-template-columns: 1.2fr .9fr .9fr;
  align-items: stretch;
}

.price-card {
  position: relative;
}

.price-card.featured {
  border-color: rgba(96, 165, 250, .55);
}

.ribbon {
  display: inline-block;
  background: #2563eb;
  color: #ffffff;
  font-weight: 900;
  padding: 7px 11px;
  border-radius: 999px;
  font-size: 12px;
  margin-bottom: 12px;
}

.price {
  font-size: 48px;
  font-weight: 900;
  color: #ffffff;
  letter-spacing: -1px;
}

.price.small {
  font-size: 38px;
}

.full {
  width: 100%;
  margin-top: 14px;
}

.example-box {
  border-radius: 16px;
  padding: 16px;
  margin-top: 16px;
  color: #dbeafe;
  line-height: 1.6;
}

.download {
  margin-top: 52px;
  border-radius: 24px;
  padding: 28px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 22px;
  align-items: center;
}

.contact {
  margin-top: 52px;
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  align-items: center;
  background: linear-gradient(135deg, rgba(37,99,235,.16), rgba(16,35,59,.9));
  border: 1px solid rgba(96,165,250,.22);
  border-radius: 24px;
  padding: 28px;
}

.contact-card {
  border-radius: 18px;
  padding: 22px;
}

.phone {
  font-size: 24px;
  font-weight: 900;
  color: #ffffff;
}

.whatsapp {
  width: 100%;
  background: #22c55e;
  color: #052e16;
  margin: 8px 0 12px;
}

.call {
  width: 100%;
}

footer {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 24px;
  color: #94a3b8;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .nav,
  .hero-content,
  .contact,
  .download {
    grid-template-columns: 1fr;
  }

  .hero-content {
    margin-top: 54px;
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .feature-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}
