:root {
  --bg-1: #06091b;
  --bg-2: #0d1330;
  --panel: rgba(23, 17, 45, 0.86);
  --panel-border: rgba(255, 255, 255, 0.16);
  --text: #f4f7ff;
  --muted: #b8c4e7;
  --green: #54c383;
  --blue: #3e9ce8;
  --gold: #f5ba45;
  --shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Avenir Next", Avenir, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 10%, #17214d 0%, var(--bg-2) 35%, var(--bg-1) 100%);
  color: var(--text);
}

body {
  min-height: 100vh;
  line-height: 1.55;
}

.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(2px 2px at 12% 18%, rgba(255, 255, 255, 0.7) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 30% 32%, rgba(255, 255, 255, 0.5) 50%, transparent 52%),
    radial-gradient(2px 2px at 62% 22%, rgba(255, 255, 255, 0.6) 50%, transparent 52%),
    radial-gradient(1.8px 1.8px at 79% 38%, rgba(255, 255, 255, 0.45) 50%, transparent 52%),
    radial-gradient(1.5px 1.5px at 48% 68%, rgba(255, 255, 255, 0.55) 50%, transparent 52%),
    radial-gradient(2px 2px at 88% 77%, rgba(255, 255, 255, 0.5) 50%, transparent 52%);
  opacity: 0.8;
}

.container {
  width: min(1040px, 92vw);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero {
  padding: 88px 0 42px;
  text-align: center;
}

.badge {
  display: inline-block;
  margin: 0 0 18px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(84, 195, 131, 0.15);
  border: 1px solid rgba(84, 195, 131, 0.4);
  color: #c9f4dc;
  font-weight: 700;
  letter-spacing: 0.4px;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5.8vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: 0.3px;
}

.subtitle {
  margin: 18px auto 0;
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}

.cta-row {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  text-decoration: none;
  font-weight: 800;
  border-radius: 14px;
  padding: 12px 18px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  color: #092114;
  background: var(--green);
  box-shadow: 0 8px 22px rgba(84, 195, 131, 0.3);
}

.btn-secondary {
  color: #e9f3ff;
  background: var(--blue);
  box-shadow: 0 8px 22px rgba(62, 156, 232, 0.3);
}

main {
  padding-bottom: 50px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 28px;
  margin: 18px 0;
  backdrop-filter: blur(4px);
}

h2,
h3 {
  margin: 0 0 10px;
}

h2 {
  font-size: clamp(1.4rem, 3.1vw, 2rem);
}

h3 {
  font-size: 1.2rem;
}

p {
  margin: 0 0 12px;
  color: #e5ecff;
}

ol {
  margin: 0;
  padding-left: 20px;
  color: #e5ecff;
}

li + li {
  margin-top: 6px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature {
  border-top: 3px solid transparent;
}

.feature:nth-child(1) {
  border-top-color: var(--green);
}

.feature:nth-child(2) {
  border-top-color: var(--blue);
}

.feature:nth-child(3) {
  border-top-color: var(--gold);
}

.contact a {
  color: #9fddff;
  font-weight: 700;
}

.footer {
  padding: 6px 0 30px;
  text-align: center;
}

.footer p {
  color: #a2b0d8;
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 72px;
  }
}