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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  background: #08090b;
  color: #f8fafc;
  overflow-x: hidden;
}

.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(8, 9, 11, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  z-index: 1000;
}

.nav-container {
  max-width: 1120px;
  margin: auto;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  color: #f8fafc;
  font-weight: 800;
  text-decoration: none;
  letter-spacing: -0.3px;
}

.nav-btn {
  background: #38bdf8;
  color: #020617;
  padding: 9px 15px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  font-size: 0.85rem;
}

.hero {
  min-height: 92vh;
  padding: 130px 20px 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.16), transparent 28%),
    radial-gradient(circle at 80% 35%, rgba(45, 212, 191, 0.10), transparent 28%),
    linear-gradient(180deg, #08090b 0%, #0f172a 100%);
}

.hero-content {
  max-width: 880px;
}

.eyebrow {
  display: inline-block;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.18);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 5.2rem);
  line-height: 1.02;
  letter-spacing: -2px;
  margin-bottom: 24px;
  color: #f8fafc;
}

.hero p {
  max-width: 700px;
  margin: 0 auto 34px;
  color: #cbd5e1;
  font-size: 1.1rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn,
.card-btn {
  display: inline-block;
  background: #38bdf8;
  color: #020617;
  padding: 14px 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 900;
  transition: 0.25s ease;
}

.btn:hover,
.card-btn:hover {
  background: #7dd3fc;
  transform: translateY(-2px);
}

.btn.secondary {
  background: transparent;
  color: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.25);
}

.btn.secondary:hover {
  border-color: #38bdf8;
  color: #38bdf8;
}

.intro,
.demos,
.included,
.pricing,
.contact {
  max-width: 1120px;
  margin: 90px auto;
  padding: 0 20px;
  text-align: center;
}

.intro {
  max-width: 820px;
}

.intro h2,
.demos h2,
.included h2,
.pricing h2,
.contact h2 {
  font-size: 2.2rem;
  margin-bottom: 18px;
  letter-spacing: -0.8px;
}

.intro p,
.contact p {
  color: #94a3b8;
  line-height: 1.8;
  font-size: 1.05rem;
}

.demo-grid,
.included-grid,
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
  margin-top: 36px;
}

.demo-card,
.included-card,
.price-card {
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 22px;
  padding: 28px;
  text-align: left;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  transition: 0.25s ease;
}

.demo-card:hover,
.included-card:hover,
.price-card:hover {
  transform: translateY(-7px);
  border-color: rgba(56, 189, 248, 0.55);
  box-shadow: 0 28px 70px rgba(56, 189, 248, 0.08);
}

.tag {
  display: inline-block;
  color: #67e8f9;
  background: rgba(103, 232, 249, 0.08);
  border: 1px solid rgba(103, 232, 249, 0.16);
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 900;
  margin-bottom: 16px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.demo-card h3,
.included-card h3,
.price-card h3 {
  margin-bottom: 12px;
  color: #f8fafc;
}

.demo-card p,
.included-card p,
.price-card p,
.price-card li {
  color: #94a3b8;
  line-height: 1.7;
}

.demo-card .card-btn {
  margin-top: 24px;
}

.price {
  color: #38bdf8 !important;
  font-size: 2rem;
  font-weight: 950;
  margin-bottom: 14px;
}

.price-card {
  position: relative;
}

.price-card ul {
  margin-top: 20px;
  padding-left: 20px;
}

.price-card li {
  margin-bottom: 10px;
}

.featured {
  border-color: rgba(56, 189, 248, 0.65);
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.12), transparent 35%),
    rgba(15, 23, 42, 0.82);
}

.badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: #38bdf8;
  color: #020617;
  padding: 6px 11px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 900;
}

.contact {
  background:
    radial-gradient(circle at top, rgba(56, 189, 248, 0.12), transparent 38%),
    rgba(15, 23, 42, 0.72);
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 28px;
  padding: 55px 25px;
}

.contact .btn {
  margin-top: 24px;
}

.small-note {
  margin-top: 18px;
  font-size: 0.85rem;
  color: #64748b !important;
}

.footer {
  text-align: center;
  padding: 30px 20px;
  color: #64748b;
  font-size: 0.9rem;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
}

.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {
  .nav-container {
    padding: 11px 14px;
  }

  .logo {
    font-size: 0.85rem;
  }

  .nav-btn {
    font-size: 0.75rem;
    padding: 8px 11px;
  }

  .hero {
    min-height: 88vh;
    padding-top: 110px;
  }

  .hero h1 {
    font-size: 2.45rem;
    letter-spacing: -1px;
  }

  .intro,
  .demos,
  .included,
  .pricing,
  .contact {
    margin: 60px auto;
  }

  .intro h2,
  .demos h2,
  .included h2,
  .pricing h2,
  .contact h2 {
    font-size: 1.7rem;
  }

  .demo-card:hover,
  .included-card:hover,
  .price-card:hover {
    transform: none;
  }
}