* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #fff;
  background:
    radial-gradient(circle at top left, rgba(0, 174, 255, .22), transparent 35%),
    radial-gradient(circle at top right, rgba(155, 81, 255, .2), transparent 35%),
    #080a12;
  overflow-x: hidden;
}

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

.bg-glow {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .45;
  z-index: -1;
}

.glow-1 {
  top: 120px;
  left: -160px;
  background: #00b7ff;
}

.glow-2 {
  right: -160px;
  bottom: 80px;
  background: #8b5cf6;
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  max-width: 1180px;
  margin: 18px auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 24px;
  background: rgba(10, 13, 24, .72);
  backdrop-filter: blur(20px);
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: .3px;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 12px;
}

.nav {
  display: flex;
  gap: 26px;
  color: #b8c0d9;
  font-size: 15px;
}

.nav a:hover {
  color: #fff;
}

.header-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: .25s ease;
}

.header-btn,
.primary {
  color: #06111f;
  background: linear-gradient(135deg, #5ee7ff, #8b5cf6);
  box-shadow: 0 16px 40px rgba(91, 194, 255, .28);
}

.header-btn:hover,
.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 55px rgba(91, 194, 255, .42);
}

.secondary {
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  color: #fff;
}

.secondary:hover {
  background: rgba(255,255,255,.12);
  transform: translateY(-2px);
}

.hero {
  max-width: 1180px;
  margin: 70px auto 40px;
  padding: 30px 18px 80px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 46px;
  align-items: center;
}

.badge {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  color: #bff3ff;
  border: 1px solid rgba(94,231,255,.22);
  background: rgba(94,231,255,.08);
  font-weight: 700;
  margin-bottom: 22px;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: .95;
  letter-spacing: -3px;
}

.lead {
  max-width: 660px;
  margin: 26px 0;
  color: #c5cce3;
  font-size: 20px;
  line-height: 1.65;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.stats div {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
}

.stats b {
  display: block;
  font-size: 24px;
}

.stats span {
  display: block;
  margin-top: 6px;
  color: #aab3cc;
  font-size: 14px;
}

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

.phone {
  width: min(100%, 420px);
  padding: 20px;
  border-radius: 38px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,.05));
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 30px 100px rgba(0,0,0,.45);
}

.phone-top {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.phone-top img {
  width: 46px;
  height: 46px;
  border-radius: 16px;
}

.phone-top span {
  display: block;
  color: #6df5a8;
  font-size: 14px;
}

.messages {
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.msg {
  max-width: 86%;
  margin: 0;
  padding: 14px 16px;
  border-radius: 20px;
  line-height: 1.45;
}

.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #5ee7ff, #8b5cf6);
  color: #06111f;
  font-weight: 700;
}

.ai {
  align-self: flex-start;
  background: rgba(255,255,255,.09);
  color: #edf2ff;
}

.input-bar {
  height: 54px;
  padding: 7px 8px 7px 18px;
  border-radius: 999px;
  background: rgba(0,0,0,.25);
  border: 1px solid rgba(255,255,255,.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #7f89a8;
}

.input-bar button {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  font-size: 18px;
  background: #fff;
  color: #111;
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 80px 18px;
}

.section-head {
  text-align: center;
  margin-bottom: 38px;
}

.section-head p {
  margin: 0 0 8px;
  color: #65e7ff;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 13px;
}

h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.05;
  letter-spacing: -2px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card,
.price-card,
details,
.cta {
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 70px rgba(0,0,0,.22);
}

.card {
  padding: 28px;
  border-radius: 28px;
  transition: .25s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(94,231,255,.35);
}

.card span {
  font-size: 34px;
}

.card h3,
.price-card h3 {
  margin: 18px 0 10px;
  font-size: 23px;
}

.card p,
.price-card p,
.faq p,
.cta p {
  color: #b8c0d9;
  line-height: 1.65;
}

.pricing {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.price-card {
  position: relative;
  min-height: 220px;
  padding: 26px;
  border-radius: 30px;
}

.price-card.featured {
  background:
    linear-gradient(180deg, rgba(94,231,255,.2), rgba(139,92,246,.14));
  border-color: rgba(94,231,255,.45);
  transform: translateY(-10px);
}

.label {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(94,231,255,.16);
  color: #c9f8ff;
  font-size: 12px;
  font-weight: 900;
}

.price {
  margin-top: 22px;
  font-size: 42px;
  font-weight: 950;
  letter-spacing: -1px;
}

.center-note {
  text-align: center;
  color: #aab3cc;
  margin-top: 28px;
}

.faq {
  max-width: 860px;
}

details {
  padding: 22px 24px;
  border-radius: 22px;
  margin-bottom: 14px;
}

summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 850;
}

.cta {
  text-align: center;
  border-radius: 38px;
  padding: 70px 24px;
  background:
    linear-gradient(135deg, rgba(94,231,255,.15), rgba(139,92,246,.16));
}

.center {
  justify-content: center;
}

footer {
  padding: 34px 18px 46px;
  text-align: center;
  color: #7f89a8;
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    margin-top: 30px;
    text-align: center;
  }

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

  .actions {
    justify-content: center;
  }

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

  .price-card.featured {
    transform: none;
  }

  h1 {
    letter-spacing: -2px;
  }
}

@media (max-width: 520px) {
  .header {
    margin: 10px;
    border-radius: 18px;
  }

  .header-btn {
    display: none;
  }

  .hero {
    padding-top: 20px;
  }

  .stats {
    margin-top: 24px;
  }

  .section {
    padding: 56px 16px;
  }
}