*,
*::before,
*::after { box-sizing: border-box; }

html, body { height: 100%; margin: 0; padding: 0; }

:root {
  --navy-1: #0a102a;
  --navy-2: #0b1b3a;
  --beige-1: #f3e0be;
  --beige-2: #e6d0ad;
  --text: #efe5d0;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.25);
  --cta-gradient: linear-gradient(135deg, #f4e0bd 0%, #e9d0ad 50%, #e5c399 100%);
  --cta-border: rgba(0,0,0,.15);
  --cta-text: #0b0b0b;
  --shadow: 0 6px 28px rgba(0,0,0,.25);
  --neon: 0 0 40px rgba(110, 180, 255, 0.25);
}

body {
  min-height: 100vh;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto;
  background:
    linear-gradient(135deg, #0a102a 0%, #102042 60%, #0b0f22 100%);
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.04) 0 1px, transparent 1px 40px);
  background-blend-mode: overlay;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.image-frame {
  width: min(92%, 720px);
  padding: 14px;
  border-radius: 20px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px) saturate(1.2);
  -webkit-backdrop-filter: blur(8px) saturate(1.2);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.04),
    var(--shadow),
    var(--neon);
}

.image-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
}

footer {
  padding: 1.75rem 1rem;
  text-align: center;
  color: var(--text);
  font-size: 0.95rem;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.product-ad {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(251, 239, 208, 0.15);
  border: 1px solid rgba(251,239,208,0.3);
  margin: 1rem auto 0;
  transition: transform .2s ease;
}
.product-ad:hover { transform: translateY(-1px); }

.product-ad h3 {
  margin: 0;
  font-size: 1rem;
  color: #f7eedb;
  display: inline-flex;
  align-items: center;
  letter-spacing: .2px;
}

.product-ad a { text-decoration: none; }

.product-ad a p {
  margin: 0;
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 700;
  color: var(--cta-text);
  background: var(--cta-gradient);
  border: 1px solid var(--cta-border);
  white-space: nowrap;
  transition: transform .2s ease;
}
.product-ad a:hover p { transform: translateY(-1px); }

.product-ad a:focus-visible, .product-ad a:focus {
  outline: 3px solid #7bdcff;
  outline-offset: 2px;
}

a { color: inherit; text-decoration: none; }

@media (min-width: 768px) {
  main { padding: 3rem 2rem; }
  .image-frame { padding: 20px; border-radius: 24px; }
  .product-ad { margin-top: 2rem; }
  .product-ad h3 { font-size: 1.05rem; }
}