html, body, header, nav, main, article, footer, aside {
  height: auto;
}

:root {
  --bg: #041b20;
  --bg-2: #072a2e;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-strong: rgba(255, 255, 255, 0.14);
  --glass-border: rgba(255, 255, 255, 0.28);
  --text: #e8faff;
  --muted: #a6f0e0;
  --accent: #1bd6c5;
  --accent-2: #ff7a2e;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
  --radius: 14px;
  --focus: 2px solid color-m-mix(in oklab, var(--accent) 60%, black);
}

* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  line-height: 1.5;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background:
    radial-gradient(circle at 20% -10%, rgba(0, 200, 170, 0.25), transparent 25%),
    radial-gradient(circle at 90% 0%, rgba(255, 122, 46, 0.25), transparent 25%),
    linear-gradient(to bottom right, #041b1f 0%, #06242a 40%, #07131a 100%);
  background-blend-mode: overlay, overlay, normal;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(255,255,255,0.04) 0px,
      rgba(255,255,255,0.04) 1px,
      transparent 1px,
      transparent 3px
    );
  mix-blend-mode: overlay;
  opacity: 0.25;
}

header, main, footer {
  padding: 1rem;
}

.container {
  width: 100%;
  max-width: clamp(640px, 88vw, 1100px);
  margin-inline: auto;
  padding-inline: 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

@supports not (backdrop-filter: blur(12px)) {
  .card { background: rgba(255,255,255,0.14); }
}

.image-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
  background: #000;
}
.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.image-frame:hover img { transform: scale(1.03); }

.content { padding: 0.25rem 0; color: var(--text); }

.product-ad {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 6px 20px rgba(0,0,0,.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.product-ad h3 { margin: 0; font-size: 1.05rem; font-weight: 700; }
.product-ad a { text-decoration: none; display: inline-block; }
.product-ad a p { margin: 0; padding: .5rem 0; color: var(--text); }

a, button, .btn, .cta {
  text-decoration: none;
  color: var(--text);
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

a:hover, a:focus { text-decoration: underline; color: var(--accent-2); }
a:focus-visible, button:focus-visible, .btn:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

h1, h2, h3 {
  margin: 0.5rem 0;
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: .2px;
}

header h1 {
  font-size: clamp(1.75rem, 2.6vw + 1rem, 3.25rem);
  color: var(--text);
  margin-top: 0;
}
header .meta {
  color: var(--muted);
  font-size: clamp(0.9rem, 0.8vw + 0.8rem, 1.05rem);
  margin: 0.25rem 0 0;
}

main { padding-block: 1rem; }

article { display: block; }

h2 { font-size: clamp(1.4rem, 1.2vw + 1.2rem, 2.4rem); margin-top: 0.75rem; }
h3 { font-size: clamp(1.1rem, 1vw + 0.8rem, 1.6rem); }

ul { padding-left: 1.25rem; margin: .5rem 0 1rem; }
li { margin: .25rem 0; }

blockquote {
  margin: 1rem 0;
  padding: .75rem 1rem;
  border-left: 4px solid var(--accent);
  background: rgba(0,0,0,.15);
  border-radius: 8px;
}

.tag {
  display: inline-block;
  padding: .25em .6em;
  font-size: .75rem;
  border-radius: 999px;
  background: rgba(27, 214, 197, 0.15);
  color: var(--text);
  border: 1px solid rgba(27, 214, 197, 0.35);
}

.header, .nav, .main, .footer { /* layout scaffolding for potential sections */ }

.btn {
  display: inline-block;
  padding: .72rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.45);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: transform .15s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-1px); background: rgba(0,0,0,0.38); }
.btn:active { transform: translateY(0); }
.btn--solid {
  background: linear-gradient(135deg, rgba(27,214,197,1) 0%, rgba(255,122,46,1) 100%);
  color: #041414;
  border: none;
  box-shadow: inset 0 2px 0 rgba(255,255,255,.25);
}
.btn--outline {
  background: transparent;
  border: 1px solid rgba(27,214,197,0.9);
  color: var(--text);
}
.btn + .btn { margin-left: .5rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; transform: none !important; }
}

@media print {
  body { background: #fff; color: #000; }
  a { text-decoration: underline; }
}