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

html,
body {
  min-height: 100%;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: white;

  background-image:
    linear-gradient(to bottom, rgba(0,0,0,0.35), rgba(0,0,0,0.55)),
    url("tlo.jpg");

  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}

/* Layout */
.wrap {
  min-height: calc(100vh - 60px);
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(720px, 100%);
  text-align: center;
  background: transparent;
  border: none;
}

/* Tytuł */
h1 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 4px;
  margin-top: 250px;
  margin-bottom: 26px;

  color: #d4af37;

  text-shadow:
    0 0 8px rgba(212,175,55,0.35),
    0 0 18px rgba(212,175,55,0.18);

  font-weight: 600;
}

/* Przycisk */
.enter-btn {
  display: inline-block;
  padding: 12px 34px;

  color: #d4af37;
  text-decoration: none;
  text-transform: uppercase;

  letter-spacing: 3px;
  font-size: 14px;
  font-weight: 600;

  border: 1px solid rgba(212,175,55,0.55);
  border-radius: 999px;

  background: rgba(0,0,0,0.25);

  text-shadow:
    0 0 6px rgba(212,175,55,0.25);

  transition:
    transform 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.enter-btn:hover {
  transform: translateY(-1px);
  background: rgba(212,175,55,0.10);
  border-color: rgba(212,175,55,0.85);
  box-shadow: 0 0 14px rgba(212,175,55,0.18);
}

/* Footer */
.footer {
  height: 60px;
  display: grid;
  place-items: center;
  padding: 0 16px;

  font-size: 13px;
  letter-spacing: 1px;

  color: rgba(255,255,255,0.65);
}