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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, sans-serif;
  background: #f4f7fb;
  color: #111827;
}

.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #050816, #102a43, #0f5132);
  color: white;
  padding: 25px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  width: 450px;
  height: 450px;
  background: rgba(0, 208, 132, 0.2);
  border-radius: 50%;
  top: -120px;
  right: -120px;
  filter: blur(40px);
}

.navbar {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 26px;
  font-weight: bold;
}


.menu-btn {
  display: none;
  background: transparent;
  color: white;
  border: 1px solid white;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  position: relative;
  z-index: 4;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 25px;
  z-index: 3;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-size: 15px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
  margin: 140px auto 0;
  text-align: center;
}

.tag {
  color: #00d084;
  font-weight: bold;
  margin-bottom: 15px;
}

.hero h1 {
  font-size: 56px;
  line-height: 1.1;
  margin-bottom: 25px;
}

.hero-content p {
  font-size: 20px;
  line-height: 1.6;
  color: #e5e7eb;
  margin-bottom: 35px;
}

.btn-primary {
  display: inline-block;
  background: #00d084;
  color: #06121f;
  padding: 16px 32px;
  border-radius: 40px;
  text-decoration: none;
  font-weight: bold;
}

.intro,
.section,
.form-section,
.legal {
  padding: 80px 25px;
  text-align: center;
}

.intro {
  background: white;
}

.intro h2,
.section h2,
.form-section h2,
.legal h2 {
  font-size: 38px;
  margin-bottom: 20px;
}

.intro p,
.form-section p,
.legal p {
  max-width: 850px;
  margin: 0 auto 18px;
  font-size: 18px;
  line-height: 1.7;
  color: #374151;
}

.dark {
  background: #07111f;
  color: white;
}

.grid {
  max-width: 1100px;
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: white;
  color: #111827;
  padding: 28px;
  border-radius: 18px;
  font-size: 18px;
  font-weight: bold;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.glass {
  background: rgba(255, 255, 255, 0.08);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
}

.steps {
  max-width: 1000px;
  margin: 45px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step {
  background: white;
  padding: 30px;
  border-radius: 18px;
  text-align: left;
  box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}

.step span {
  display: inline-block;
  color: #00a86b;
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 15px;
}

.step h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.step p {
  color: #4b5563;
  line-height: 1.6;
}

.form-section {
  background: white;
}

form {
  max-width: 650px;
  margin: 35px auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

input,
textarea {
  width: 100%;
  padding: 16px;
  border-radius: 12px;
  border: 1px solid #d1d5db;
  font-size: 16px;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

form button,
.payment-box button {
  background: #0f5132;
  color: white;
  padding: 16px;
  border: none;
  border-radius: 12px;
  font-size: 17px;
  font-weight: bold;
  cursor: pointer;
}

.payment-box {
  max-width: 500px;
  margin: 30px auto 0;
  background: #f1f5f9;
  padding: 30px;
  border-radius: 18px;
}

.payment-box h3 {
  margin-bottom: 10px;
}

.payment-box p {
  font-size: 24px;
  font-weight: bold;
  color: #0f5132;
}

.legal {
  background: #f8fafc;
}

footer {
  background: #050816;
  color: white;
  text-align: center;
  padding: 25px;
}

@media (max-width: 900px) {
  .hero h1 {
    font-size: 40px;
  }

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

  .nav-links {
  display: none;
  position: absolute;
  top: calc(100% + 16px);
  left: 0;
  right: 0;
  background: #07111f;
  width: 100%;
  padding: 25px;
  flex-direction: column;
  text-align: center;
  border-radius: 14px;
  z-index: 10;
}

.nav-links.active {
  display: flex;
}

  .menu-btn {
    display: block;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 20px;
  }

  .hero-content {
    margin-top: 110px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-content p {
    font-size: 17px;
  }

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

  .intro h2,
  .section h2,
  .form-section h2,
  .legal h2 {
    font-size: 30px;
  }
}