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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #050816;
  color: white;
}

/* NAVBAR */

header {
  width: 100%;
  background: #050816;
  border-bottom: 1px solid rgba(34, 199, 255, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  width: 100%;
  padding: 22px 8%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  color: white;
  text-decoration: none;
  font-size: 24px;
  font-weight: 800;
}

.logo:hover {
  color: #22c7ff;
}

.nav-links {
  display: flex;
  gap: 25px;
}

.nav-links a {
  color: #d7dcff;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #22c7ff;
}

/* HERO */

.premium-hero {
  padding: 120px 10%;
  text-align: center;
  background: radial-gradient(circle at top, #102044, #050816 65%);
  color: white;
}

.badge {
  display: inline-block;
  padding: 8px 18px;
  margin-bottom: 22px;
  border-radius: 30px;
  background: rgba(34, 199, 255, 0.12);
  border: 1px solid rgba(34, 199, 255, 0.35);
  color: #22c7ff;
  font-weight: bold;
}

.premium-hero h1 {
  max-width: 950px;
  margin: 0 auto 22px;
  font-size: 56px;
  line-height: 1.1;
}

.premium-hero p {
  max-width: 760px;
  margin: 0 auto 35px;
  font-size: 20px;
  color: #cfd6ff;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

/* BOUTONS */

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s;
}

.btn-primary {
  background: #22c7ff;
  color: #050816;
}

.btn-secondary {
  color: white;
  border: 1px solid rgba(34, 199, 255, 0.45);
  background: transparent;
}

.btn-primary:hover,
.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 25px rgba(34, 199, 255, 0.35);
}

/* SECTIONS */

.premium-intro,
.premium-features,
.comparison-section,
.premium-price,
.contact-section {
  padding: 85px 10%;
  color: white;
}

.premium-intro,
.comparison-section,
.premium-price {
  background: #050816;
}

.premium-features,
.contact-section {
  background: #070b18;
}

.premium-intro h2,
.premium-features h2,
.comparison-section h2,
.premium-price h2,
.contact-section h2 {
  font-size: 38px;
  margin-bottom: 20px;
  text-align: center;
}

.premium-intro p,
.comparison-section p,
.premium-price p,
.contact-section p {
  max-width: 850px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.7;
  color: #d7dcff;
}

/* CARTES */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  margin-top: 45px;
}

.feature-card {
  background: #0b1020;
  border: 1px solid rgba(34, 199, 255, 0.25);
  border-radius: 22px;
  padding: 30px;
  transition: 0.3s;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: #22c7ff;
  box-shadow: 0 0 25px rgba(34, 199, 255, 0.18);
}

.feature-card h3 {
  margin-bottom: 12px;
  color: white;
  font-size: 22px;
}

.feature-card p {
  color: #cfd6ff;
  line-height: 1.6;
}

/* TABLEAU COMPARATIF */

.comparison-table-wrapper {
  width: 100%;
  overflow-x: auto;
  margin-top: 40px;
}

.comparison-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  background: #0b1020;
  border: 1px solid rgba(34, 199, 255, 0.25);
  border-radius: 20px;
  overflow: hidden;
}

.comparison-table thead {
  background: rgba(34, 199, 255, 0.15);
}

.comparison-table th,
.comparison-table td {
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.comparison-table th {
  color: white;
  font-size: 18px;
}

.comparison-table td {
  color: #d7dcff;
  font-size: 16px;
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  text-align: left;
}

.comparison-table th:not(:first-child),
.comparison-table td:not(:first-child) {
  text-align: center;
}

.comparison-table tbody tr:hover {
  background: rgba(34, 199, 255, 0.06);
}

.comparison-table .yes {
  color: #38ff9c;
  font-weight: bold;
}

.comparison-table .no {
  color: #ff5c5c;
  font-weight: bold;
}

/* PRIX */

.premium-price {
  text-align: center;
}

.price {
  font-size: 46px;
  font-weight: bold;
  color: #22c7ff !important;
  margin: 20px auto;
}

.premium-price p {
  margin-bottom: 30px;
}

/* CONTACT */

.contact-section {
  text-align: center;
}

.contact-section p {
  margin-bottom: 30px;
}

/* FOOTER */

footer {
  padding: 25px 8%;
  background: #02040c;
  color: #d7dcff;
  text-align: center;
  border-top: 1px solid rgba(34, 199, 255, 0.15);
}

/* RESPONSIVE */

@media (max-width: 900px) {
  nav {
    flex-direction: column;
    gap: 18px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
  }

  .premium-hero {
    padding: 90px 7%;
  }

  .premium-hero h1 {
    font-size: 38px;
  }

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

  .premium-intro,
  .premium-features,
  .comparison-section,
  .premium-price,
  .contact-section {
    padding: 65px 7%;
  }

  .premium-intro h2,
  .premium-features h2,
  .comparison-section h2,
  .premium-price h2,
  .contact-section h2 {
    font-size: 30px;
  }

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

  .comparison-table {
    min-width: 600px;
  }

  .price {
    font-size: 34px;
  }
}

@media (max-width: 500px) {
  .nav-links a {
    font-size: 14px;
  }

  .premium-hero h1 {
    font-size: 32px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 280px;
  }
}