:root {
  --gold: #f59e0b;
  --black: #0b0b0b;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", sans-serif;
}

body {
  background: radial-gradient(circle at top, #1a1a1a, #000);
  color: var(--gold);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* HEADER */
header {
  background: linear-gradient(90deg, #000, #1a1a1a, #000);
  border-bottom: 1px solid var(--gold);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 {
  font-size: 20px;
  letter-spacing: 2px;
}

header button {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 8px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: 0.3s;
}

header button:hover {
  background: var(--gold);
  color: black;
}

/* MAIN */
main {
  flex: 1;
  padding: 40px 20px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.container {
  max-width: 900px;
  width: 100%;
  background: rgba(0,0,0,0.7);
  border: 1px solid var(--gold);
  border-radius: 16px;
  padding: 40px 20px;
  text-align: center;
  box-shadow: 0 0 30px rgba(212,175,55,0.2);
}

.container h2 {
  font-size: 32px;
  margin-bottom: 10px;
}

.container p {
  color: #ccc;
  margin-bottom: 30px;
}

/* ===== COIN LOGO ===== */
.logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 25px;
}

.coin-logo {
  width: 210px;
  height: 210px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  box-shadow:
    0 0 20px rgba(212,175,55,0.6),
    0 0 40px rgba(212,175,55,0.3);
  animation: spin 10s linear infinite, pulse 2.5s ease-in-out infinite;
  transition: 0.3s;
}

.coin-logo:hover {
  box-shadow:
    0 0 30px rgba(212,175,55,0.9),
    0 0 60px rgba(212,175,55,0.6);
  transform: scale(1.05);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes pulse {
  0%   { box-shadow: 0 0 20px rgba(212,175,55,0.3); }
  50%  { box-shadow: 0 0 40px rgba(212,175,55,0.8); }
  100% { box-shadow: 0 0 20px rgba(212,175,55,0.3); }
}

/* AIRDROP BOX */
.airdrop-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: linear-gradient(180deg, #111, #000);
  border: 1px solid var(--gold);
  border-radius: 14px;
  padding: 20px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 20px rgba(212,175,55,0.3);
}

.card h3 {
  margin-bottom: 10px;
}

.card button {
  margin-top: 10px;
  width: 100%;
  background: var(--gold);
  border: none;
  padding: 10px;
  border-radius: 20px;
  font-weight: bold;
  cursor: pointer;
}

.card button:hover {
  opacity: 0.8;
}

/* FOOTER */
footer {
  background: #000;
  border-top: 1px solid var(--gold);
  padding: 15px;
  text-align: center;
  font-size: 13px;
  color: #aaa;
}

/* MOBILE */
@media (max-width: 600px) {
  .container h2 {
    font-size: 24px;
  }
  .coin-logo {
    width: 100px;
    height: 100px;
  }
}