/* ===== FONT & BASE RESET ===== */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@600&display=swap');

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

html, body {
  height: 100%;
  font-family: 'Orbitron', sans-serif;
  background: radial-gradient(ellipse at center, #000814 0%, #000000 100%);
  color: #00fff7;
  overflow-x: hidden;
  scroll-behavior: smooth;
  position: relative;
}

body::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url('https://www.transparenttextures.com/patterns/stardust.png');
  opacity: 0.05;
  z-index: 0;
}

/* ===== CONTAINER STYLES ===== */
.container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  text-align: center;
  animation: fadeIn 2s ease-out;
  padding: 0 1em;
}

h1 {
  font-size: 3.5em;
  letter-spacing: 0.1em;
  margin-bottom: 0.3em;
  text-shadow: 0 0 8px #00ffea, 0 0 20px #00a896;
}

p {
  font-size: 1.2em;
  color: #88fff9;
  max-width: 640px;
  margin: 0 auto 2em auto;
  text-shadow: 0 0 6px #00ffea;
}

/* ===== BUTTON GROUP ===== */
.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  justify-content: center;
}

a.button {
  background: linear-gradient(135deg, #00ffe0, #009d89);
  color: #001f19;
  text-decoration: none;
  padding: 15px 30px;
  font-size: 1em;
  font-weight: bold;
  border-radius: 12px;
  box-shadow: 0 0 15px #00ffe0, 0 0 30px #00ccaa;
  transition: all 0.3s ease;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
}

a.button:hover,
a.button:focus {
  transform: scale(1.08);
  background: linear-gradient(135deg, #00fffb, #00bbaa);
  box-shadow: 0 0 25px #00fffb, 0 0 50px #00bb99;
  color: #001a14;
  outline: none;
}

/* ===== FOOTER ===== */
footer {
  position: absolute;
  bottom: 20px;
  width: 100%;
  font-size: 0.8em;
  color: #004d40;
  letter-spacing: 0.1em;
  text-align: center;
  z-index: 1;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  h1 {
    font-size: 2.2em;
  }
  a.button {
    width: 100%;
    padding: 14px 24px;
  }
}