* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f18;
  color: #ffffff;
}

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

.header {
  width: 100%;
  padding: 20px 6%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(11, 15, 24, 0.88);
  backdrop-filter: blur(16px);
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.5px;
}

.header-btn {
  padding: 12px 18px;
  background: #1f74ff;
  border-radius: 999px;
  font-weight: 700;
}

.hero {
  min-height: 88vh;
  padding: 70px 6% 50px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
  background:
    radial-gradient(circle at top left, rgba(31, 116, 255, 0.28), transparent 35%),
    radial-gradient(circle at bottom right, rgba(116, 76, 255, 0.22), transparent 35%);
}

.badge {
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.07);
  border-radius: 999px;
  color: #b9c9ff;
  font-size: 14px;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(42px, 7vw, 76px);
  line-height: 0.95;
  margin: 0 0 24px;
  letter-spacing: -3px;
}

h2 {
  font-size: clamp(32px, 5vw, 52px);
  margin: 0 0 26px;
  letter-spacing: -2px;
}

h3 {
  margin-top: 0;
}

.subtitle {
  font-size: 21px;
  line-height: 1.45;
  color: #c9d2e7;
  max-width: 660px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.primary-btn,
.secondary-btn {
  padding: 16px 22px;
  border-radius: 16px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.primary-btn {
  background: #1f74ff;
  color: #fff;
  box-shadow: 0 16px 35px rgba(31, 116, 255, 0.35);
}

.secondary-btn {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
}

.trust {
  margin-top: 22px;
  color: #92a0b8;
}

.hero-card {
  border-radius: 30px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  padding: 24px;
  box-shadow: 0 25px 80px rgba(0,0,0,0.35);
}

.browser-top {
  display: flex;
  gap: 8px;
  margin-bottom: 26px;
}

.browser-top span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
}

.mock-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 18px;
}

.option {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.07);
  margin-bottom: 12px;
  color: #dce5ff;
}

.option.active {
  background: rgba(31, 116, 255, 0.22);
  border: 1px solid rgba(31, 116, 255, 0.45);
}

.mock-footer {
  margin-top: 20px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(0,0,0,0.24);
  color: #b9c9ff;
  text-align: center;
}

.pain,
.features,
.video-section,
.price,
.faq {
  padding: 70px 6%;
}

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

.card,
.feature,
.price-card,
details {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 24px;
}

.card {
  padding: 26px;
}

.card p,
.feature p,
.price-card p,
details p {
  color: #c9d2e7;
  line-height: 1.5;
}

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

.feature {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 20px;
  padding: 24px;
}

.feature span {
  width: 52px;
  height: 52px;
  background: #1f74ff;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-weight: 900;
}

.video-placeholder {
  height: 360px;
  border-radius: 28px;
  border: 1px dashed rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
  display: grid;
  place-items: center;
  text-align: center;
}

.video-placeholder strong {
  display: block;
  font-size: 28px;
  margin-bottom: 8px;
}

.video-placeholder span {
  color: #9aa8c1;
}

.price {
  display: grid;
  place-items: center;
}

.price-card {
  max-width: 560px;
  width: 100%;
  padding: 34px;
  text-align: center;
}

.price-card h2 {
  margin-bottom: 10px;
}

.price-card ul {
  text-align: left;
  display: inline-block;
  line-height: 2;
  color: #dce5ff;
}

.wide {
  width: 100%;
  margin-top: 18px;
}

.price-card small {
  display: block;
  color: #8794ad;
  margin-top: 14px;
}

details {
  padding: 20px 24px;
  margin-bottom: 12px;
}

summary {
  cursor: pointer;
  font-weight: 800;
}

.footer {
  padding: 30px 6%;
  color: #8794ad;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.08);
}

@media (max-width: 850px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 45px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    gap: 10px;
  }

  .header {
    padding: 14px 5%;
  }

  .logo {
    font-size: 18px;
  }

  .header-btn {
    padding: 10px 13px;
    font-size: 14px;
  }
}