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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  line-height: 1.6;
}

.container {
  width: min(1120px, 92%);
  margin: auto;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-content {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
}

.logo span {
  color: #38bdf8;
}

.nav-btn {
  color: #fff;
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.16);
  border: 1px solid rgba(56, 189, 248, 0.35);
}

.hero {
  padding: 90px 0 70px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  background: #38bdf8;
  filter: blur(160px);
  opacity: 0.28;
  top: 40px;
  right: -120px;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.badge {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(34, 197, 94, 0.14);
  color: #86efac;
  border: 1px solid rgba(34, 197, 94, 0.35);
  font-weight: 700;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.05;
  letter-spacing: -2px;
  color: #fff;
  margin-bottom: 22px;
}

.hero p {
  font-size: 18px;
  color: #cbd5e1;
  max-width: 620px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: 0.25s ease;
}

.btn.primary {
  background: linear-gradient(135deg, #38bdf8, #22c55e);
  color: #04111f;
  box-shadow: 0 14px 34px rgba(56, 189, 248, 0.25);
}

.btn.primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 46px rgba(56, 189, 248, 0.35);
}

.btn.secondary {
  color: #e5e7eb;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.btn.secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
  color: #cbd5e1;
  font-size: 14px;
}

.trust span {
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}

.hero-card {
  border-radius: 26px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  transform: rotate(1deg);
}

.browser-bar {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.08);
}

.browser-bar span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #94a3b8;
}

.mockup {
  padding: 34px;
  min-height: 360px;
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.28), transparent 35%),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03));
}

.mockup h3 {
  font-size: 34px;
  color: #fff;
  margin-bottom: 6px;
}

.mockup p {
  color: #bae6fd;
  margin-bottom: 28px;
}

.mock-line {
  height: 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  margin-bottom: 14px;
}

.mock-line.large {
  width: 100%;
  height: 90px;
  border-radius: 20px;
}

.mock-line.short {
  width: 55%;
}

.mockup button {
  margin-top: 20px;
  width: 100%;
  height: 48px;
  border: none;
  border-radius: 14px;
  background: #38bdf8;
  color: #04111f;
  font-weight: 800;
  cursor: pointer;
}

.features {
  padding: 70px 0;
  background: #111827;
}

.section-title {
  text-align: center;
  margin-bottom: 42px;
}

.section-title h2 {
  color: #fff;
  font-size: clamp(30px, 4vw, 44px);
  margin-bottom: 10px;
}

.section-title p {
  color: #94a3b8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.feature-card {
  padding: 26px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.09);
  transition: 0.25s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.085);
}

.icon {
  font-size: 34px;
  margin-bottom: 16px;
}

.feature-card h3 {
  color: #fff;
  margin-bottom: 10px;
}

.feature-card p {
  color: #cbd5e1;
  font-size: 15px;
}

.offer {
  padding: 70px 0;
}

.offer-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 36px;
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(56, 189, 248, 0.16), rgba(34, 197, 94, 0.14));
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.offer-box h2 {
  color: #fff;
  font-size: 34px;
  margin-bottom: 8px;
}

.offer-box p {
  color: #cbd5e1;
}

.footer {
  padding: 26px 0;
  text-align: center;
  color: #94a3b8;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.floating-contact {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  padding: 13px 18px;
  border-radius: 999px;
  background: #22c55e;
  color: #03120a;
  font-weight: 800;
  text-decoration: none;
  box-shadow: 0 12px 34px rgba(34, 197, 94, 0.3);
}

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

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-card {
    transform: none;
  }
}

@media (max-width: 560px) {
  .nav-content {
    height: 64px;
  }

  .logo {
    font-size: 22px;
  }

  .nav-btn {
    display: none;
  }

  .hero {
    padding: 64px 0 48px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

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

  .offer-box {
    padding: 26px;
  }

  .offer-box h2 {
    font-size: 28px;
  }

  .floating-contact {
    left: 18px;
    text-align: center;
  }
}
.feature-card {
  opacity: 0;
  transform: translateY(20px);
}

.feature-card.show {
  opacity: 1;
  transform: translateY(0);
}