:root {
  --text: #2d1710;
  --muted: #6e3427;
  --card: rgba(255, 250, 238, 0.92);
  --card-border: rgba(136, 43, 28, 0.16);
  --button-start: #ffcf33;
  --button-end: #ef4936;
  --button-shadow: rgba(170, 44, 25, 0.28);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: Inter, Manrope, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    linear-gradient(135deg, #fff1a8 0%, #ffc45c 36%, #f56b4f 72%, #c8362b 100%);
}

.page {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.card {
  width: min(100%, 1264px);
  display: grid;
  justify-items: center;
  gap: 24px;
  padding: clamp(18px, 3vw, 32px);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(87, 26, 16, 0.22);
}

.banner {
  width: min(100%, 1200px);
  aspect-ratio: 1200 / 210;
  border-radius: 6px;
  background:
    url("assets/banner.png") center / contain no-repeat,
    linear-gradient(135deg, rgba(255, 216, 79, 0.95), rgba(237, 78, 54, 0.95));
  box-shadow: inset 0 0 0 1px rgba(114, 40, 26, 0.12);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(100%, 260px);
  min-height: 58px;
  padding: 16px 34px;
  border-radius: 8px;
  color: #2b130c;
  background: linear-gradient(135deg, var(--button-start), var(--button-end));
  box-shadow: 0 12px 26px var(--button-shadow);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 800;
  line-height: 1;
  text-align: center;
  text-decoration: none;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    filter 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(170, 44, 25, 0.34);
  filter: saturate(1.08);
}

.button:active {
  transform: translateY(0);
}

.button:focus-visible {
  outline: 3px solid rgba(45, 23, 16, 0.7);
  outline-offset: 4px;
}

.notice {
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  text-align: center;
}

@media (max-width: 520px) {
  .page {
    padding: 18px 10px;
  }

  .card {
    gap: 18px;
    padding: 14px;
  }

  .button {
    width: 100%;
  }
}