:root {
  --background: #0b0d12;
  --surface: #171b24;
  --text: #f8fafc;
  --muted: #a6afbf;
  --accent: #d4af68;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

header {
  padding: 24px 8%;
  border-bottom: 1px solid #2a2e38;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 1px;
}

nav a {
  color: var(--text);
  text-decoration: none;
}

.hero {
  padding: 110px 8%;
  text-align: center;
}

.hero h1 {
  max-width: 850px;
  margin: 0 auto 24px;
  font-size: clamp(36px, 6vw, 68px);
  line-height: 1.1;
}

.hero p {
  max-width: 650px;
  margin: 0 auto 32px;
  color: var(--muted);
  font-size: 19px;
}

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  background: var(--accent);
  color: #111;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
}

section {
  padding: 80px 8%;
}

.section-title {
  margin-bottom: 40px;
  text-align: center;
  font-size: 36px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  padding: 32px;
  border: 1px solid #303540;
  border-radius: 14px;
  background: var(--surface);
}

.card h3 {
  margin-top: 0;
}

.price {
  color: var(--accent);
  font-size: 42px;
  font-weight: 800;
}

footer {
  padding: 35px 8%;
  border-top: 1px solid #303540;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 768px) {
  nav {
    flex-direction: column;
  }

  .hero {
    padding: 75px 6%;
  }

  section {
    padding: 60px 6%;
  }

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