* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #070b16;
  color: #ffffff;
}

.header {
  padding: 20px 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  height: 50px;
}

.lang-link {
  border: 1px solid #5b8def;
  color: #5b8def;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 14px;
  background: transparent;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
}

.hero {
  padding: 120px 5%;
  text-align: center;
  background: linear-gradient(135deg, #070b16, #0f1a2f);
}

.hero h1 {
  font-size: 56px;
  line-height: 1.2;
  margin: 0 0 20px;
}

.hero p {
  font-size: 20px;
  max-width: 720px;
  margin: 0 auto 40px;
  opacity: 0.8;
}

.btn-primary {
  display: inline-block;
  background: linear-gradient(90deg, #5b8def, #6fe3c2);
  color: #070b16;
  padding: 16px 36px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
}

.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #5b8def, #6fe3c2);
  margin: 60px auto;
}

.about {
  padding: 0 5% 100px;
  max-width: 1000px;
  margin: 0 auto;
}

.about h2,
.differential h2,
.cta-final h2 {
  font-size: 40px;
  margin: 0 0 20px;
}

.about p {
  font-size: 18px;
  line-height: 1.8;
  opacity: 0.8;
  margin: 0;
}

.equation {
  padding: 80px 5%;
  text-align: center;
  background: #0f1a2f;
}

.equation h2 {
  font-size: 36px;
  margin: 0 0 20px;
}

.equation p {
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  background: linear-gradient(90deg, #5b8def, #6fe3c2);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.differential {
  padding: 100px 5%;
  max-width: 1100px;
  margin: 0 auto;
}

.differential h2 {
  margin-bottom: 50px;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
}

.card {
  flex: 1 1 250px;
  background: #0f1a2f;
  padding: 30px;
  border-radius: 12px;
}

.card h3 {
  font-size: 22px;
  margin: 0 0 10px;
}

.card p {
  opacity: 0.75;
  margin: 0;
}

.genesys {
  padding: 100px 5%;
  background: #0f1a2f;
  text-align: center;
}

.genesys-logo {
  height: 60px;
  margin-bottom: 30px;
}

.genesys p {
  max-width: 800px;
  margin: 0 auto;
  font-size: 18px;
  line-height: 1.8;
  opacity: 0.8;
}

.cta-final {
  padding: 120px 5%;
  text-align: center;
}

.cta-final p {
  font-size: 18px;
  opacity: 0.75;
  margin: 0 0 40px;
}

.footer {
  padding: 40px 5%;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  opacity: 0.6;
}

.footer-logo {
  height: 35px;
}

.whatsapp {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #25d366;
  color: #fff;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
  z-index: 999;
  text-decoration: none;
}

:root {
  --parallax-shift: 0px;
}

/* Variant-07 High-end minimalist styles */
.variant-07 .header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(9px);
  background: rgba(7, 11, 22, 0.7);
}

.variant-07 .hero,
.variant-07 .about,
.variant-07 .equation,
.variant-07 .differential,
.variant-07 .genesys,
.variant-07 .cta-final {
  padding-left: 14%;
  padding-right: 14%;
  transition: max-width 0.35s ease, padding 0.35s ease, margin 0.35s ease;
}

.variant-07 .hero {
  position: relative;
  overflow: hidden;
  background-attachment: fixed;
}

.variant-07 .hero::before {
  content: "";
  position: absolute;
  inset: -30% -10%;
  background: radial-gradient(circle at 80% 30%, rgba(111, 227, 194, 0.14), transparent 38%),
    radial-gradient(circle at 25% 75%, rgba(91, 141, 239, 0.2), transparent 42%);
  transform: translate3d(0, calc(var(--parallax-shift) * -0.35), 0);
  pointer-events: none;
}

.variant-07 .hero > * {
  position: relative;
  z-index: 1;
}

.variant-07 .about,
.variant-07 .equation,
.variant-07 .differential,
.variant-07 .genesys,
.variant-07 .cta-final {
  opacity: 0;
  transform: translateY(36px) scale(0.985);
  transition: opacity 0.6s ease, transform 0.7s ease;
}

.variant-07 .is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.variant-07 .hero h1 {
  font-size: 64px;
  letter-spacing: -0.02em;
}

.variant-07 .card {
  background: transparent;
  border: 1px solid rgba(91, 141, 239, 0.28);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.variant-07 .card:hover {
  transform: translateY(-7px);
  box-shadow: 0 26px 35px rgba(0, 0, 0, 0.3);
  border-color: rgba(111, 227, 194, 0.7);
}

.variant-07 .footer {
  border-top: 1px solid rgba(91, 141, 239, 0.25);
}

@media (max-width: 768px) {
  .variant-07 .hero,
  .variant-07 .about,
  .variant-07 .equation,
  .variant-07 .differential,
  .variant-07 .genesys,
  .variant-07 .cta-final {
    padding-left: 5%;
    padding-right: 5%;
  }

  .variant-07 .hero h1 {
    font-size: 40px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero p {
    font-size: 18px;
  }

  .about h2,
  .differential h2,
  .cta-final h2 {
    font-size: 32px;
  }

  .equation h2 {
    font-size: 30px;
  }

  .equation p {
    font-size: 20px;
  }
}