* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #070816;
  color: #ffffff;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.22), transparent 32%),
    radial-gradient(circle at top right, rgba(236, 72, 153, 0.20), transparent 30%),
    radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.25), transparent 35%),
    radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.14), transparent 35%);
  pointer-events: none;
  z-index: -1;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 8%;
  background: rgba(7, 8, 22, 0.88);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.logo {
  width: 210px;
  height: auto;
}

.nav a {
  color: #ffffff;
  text-decoration: none;
  margin-left: 24px;
  font-weight: bold;
}

.nav a:hover {
  color: #38bdf8;
}

.hero {
  min-height: 85vh;
  padding: 90px 8%;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
}

.tag {
  display: inline-block;
  background: rgba(56, 189, 248, 0.13);
  color: #67e8f9;
  padding: 10px 18px;
  border-radius: 30px;
  font-weight: bold;
  margin-bottom: 20px;
  border: 1px solid rgba(103, 232, 249, 0.35);
}

.hero h1 {
  font-size: 68px;
  line-height: 1;
  margin: 0 0 20px;
  background: linear-gradient(135deg, #38bdf8, #a78bfa, #f472b6, #facc15);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 21px;
  color: #cbd5e1;
  max-width: 650px;
}

.btn,
button,
.card-btn {
  background: linear-gradient(135deg, #38bdf8, #8b5cf6, #ec4899);
  color: #ffffff;
  border: none;
  padding: 15px 26px;
  border-radius: 12px;
  font-weight: 900;
  cursor: pointer;
  margin-top: 20px;
  box-shadow: 0 12px 35px rgba(139, 92, 246, 0.32);
  text-decoration: none;
  display: inline-block;
}

.btn:hover,
button:hover,
.card-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 45px rgba(236, 72, 153, 0.35);
}

.hero-card {
  background: rgba(15, 23, 42, 0.86);
  border: 1px solid rgba(103, 232, 249, 0.25);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.45);
}

.screen {
  height: 260px;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(56,189,248,0.35), rgba(236,72,153,0.35)),
    url("https://images.unsplash.com/photo-1522869635100-9f4c5e86aa37?auto=format&fit=crop&w=900&q=80");
  background-size: cover;
  background-position: center;
  position: relative;
}

.play {
  width: 76px;
  height: 76px;
  background: linear-gradient(135deg, #38bdf8, #ec4899);
  border-radius: 50%;
  position: absolute;
  inset: 0;
  margin: auto;
  box-shadow: 0 0 35px rgba(56, 189, 248, 0.55);
}

.play::after {
  content: "";
  position: absolute;
  top: 22px;
  left: 30px;
  border-left: 22px solid #ffffff;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
}

.features,
.plans,
.order,
.support {
  padding: 80px 8%;
  text-align: center;
}

h2 {
  font-size: 42px;
  margin-bottom: 35px;
  background: linear-gradient(135deg, #67e8f9, #c084fc, #f472b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature-grid,
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 22px;
}

.feature,
.card,
form,
.support-card {
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 22px;
  padding: 30px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

.feature,
.card {
  transition: 0.3s ease;
}

.feature:hover,
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(103, 232, 249, 0.65);
  box-shadow: 0 20px 70px rgba(56,189,248,0.14);
}

.icon {
  font-size: 42px;
  margin-bottom: 15px;
}

.feature p,
.card p,
.support p,
footer p {
  color: #cbd5e1;
}

.featured {
  border: 2px solid #f472b6;
  transform: scale(1.04);
}

.badge {
  display: inline-block;
  background: linear-gradient(135deg, #facc15, #f472b6);
  color: #09090b;
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 900;
}

.price {
  font-size: 40px;
  font-weight: 900;
  color: #67e8f9;
}

form {
  max-width: 700px;
  margin: 30px auto 0;
  display: grid;
  gap: 16px;
  text-align: left;
}

input,
select,
textarea {
  width: 100%;
  padding: 15px;
  border-radius: 10px;
  border: 1px solid rgba(103, 232, 249, 0.28);
  background: #0f172a;
  color: #ffffff;
}

input::placeholder,
textarea::placeholder {
  color: #94a3b8;
}

textarea {
  min-height: 120px;
}

.support-card {
  max-width: 700px;
  margin: 0 auto;
}

.support-card h3 {
  color: #67e8f9;
  margin-bottom: 20px;
}

.support-card a {
  color: #f472b6;
  text-decoration: none;
  font-weight: bold;
}

.support-card a:hover {
  color: #38bdf8;
  text-decoration: underline;
}

footer {
  padding: 35px 8%;
  background: #030712;
  text-align: center;
  font-size: 14px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

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

  .hero h1 {
    font-size: 46px;
  }

  .nav {
    flex-direction: column;
    gap: 15px;
  }

  .nav a {
    margin: 0 8px;
  }

  .logo {
    width: 180px;
  }
}