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

:root {
  --orange: #ff8c1a;
  --orange-dark: #e56d00;
  --yellow: #ffd766;
  --yellow-soft: #fff2a8;
  --bg: #0b0b0b;
  --glass: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.25);
  --shadow: 0 8px 30px rgba(0,0,0,.35);
  --radius: 14px;
}

html, body {
  height: 100%;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: #ffe58a;
  background-color: #0b0b0b;
  /* orange geometric backdrop */
  background-image:
    radial-gradient(circle at 12% 12%, rgba(255,140,0,.28) 0 25%, transparent 25%),
    radial-gradient(circle at 78% 60%, rgba(255,210,60,.22) 0 25%, transparent 25%),
    conic-gradient(from 180deg at 60% 0, rgba(255,140,0,.12), transparent 40%);
  background-size: 260px 260px, 320px 320px, 100% 100%;
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  position: relative;
  display: grid;
  place-items: center;
  padding: 48px 16px 72px;
  min-height: calc(100vh - 180px);
  z-index: 1;
  isolation: isolate;
}

main::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 20% 15%, rgba(255,140,0,.25), transparent 28%),
              radial-gradient(circle at 85% 75%, rgba(255,210,60,.18), transparent 28%),
              conic-gradient(from 135deg at 60% 0, rgba(255,140,0,.14), transparent 40%);
  mix-blend-mode: screen;
  z-index: 0;
}

.image-frame {
  position: relative;
  width: min(92vw, 860px);
  aspect-ratio: 16 / 9;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.28);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 14px 42px rgba(0,0,0,.45);
  z-index: 1;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05);
}

footer {
  padding: 24px 16px 40px;
  display: grid;
  place-items: center;
  text-align: center;
  color: #ffd76a;
  background: linear-gradient(to top, rgba(0,0,0,.25), rgba(0,0,0,0));
  position: relative;
  z-index: 0;
}

.product-ad {
  width: min(640px, 90%);
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 6px 24px rgba(0,0,0,.25);
  display: grid;
  gap: 8px;
}

.product-ad h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--yellow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.product-ad a {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  color: #1a1a1a;
  text-decoration: none;
  background: linear-gradient(135deg, #ffb300 0%, #ff7a00 100%);
  border: 1px solid rgba(0,0,0,.15);
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-ad a:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(0,0,0,.25);
}
.product-ad a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(255, 210, 60, .45);
}

footer p {
  margin-top: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, .8);
}

@media (min-width: 768px) {
  main {
    padding: 72px 0 88px;
    min-height: calc(100vh - 120px);
  }
  .image-frame {
    width: min(960px, 72vw);
  }
  .product-ad {
    width: min(760px, 70vw);
  }
  footer p {
    font-size: 0.92rem;
  }
}