:root {
  --bg: #0b1020;
  --bg-2: #0a1a2b;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-2: rgba(0, 0, 0, 0.28);
  --card: rgba(12, 28, 28, 0.40);
  --text: #e8fff0;
  --muted: #9ef2c4;
  --accent: #2bd47d;
  --accent-2: #00e676;
  --shadow: 0 6px 20px rgba(0,0,0,.45);
}

html, body { height: 100%; }
* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  line-height: 1.5;
  background:
    linear-gradient(135deg, rgba(2,6,20,.95) 0%, rgba(6,12,24,.95) 60%, rgba(2,8,20,.95) 100%),
    radial-gradient(circle at 15% -5%, rgba(0, 180, 120, 0.25), transparent 25%),
    repeating-linear-gradient(to bottom, rgba(255,255,255,.04) 0 1px, transparent 1px 2px),
    repeating-linear-gradient(to right, rgba(0,255,180,.04) 0 1px, transparent 1px 2px);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100%;
}

header {
  max-width: clamp(320px, 90vw, 1100px);
  margin: 1rem auto;
  padding: clamp(1rem, 3vw, 2rem);
  text-align: center;
  border-radius: 14px;
  background: rgba(10, 15, 28, 0.55);
  border: 1px solid rgba(0, 255, 170, 0.35);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

header h1 {
  margin: 0 0 .25rem;
  font-size: clamp(1.6rem, 4.5vw, 2.75rem);
  color: var(--text);
  letter-spacing: .3px;
}

header .meta {
  margin: .25rem 0 0;
  font-size: .92rem;
  color: var(--muted);
}

header nav {
  margin-top: .6rem;
}

header nav a {
  color: var(--text);
  text-decoration: none;
  padding: .25rem .5rem;
  border-radius: 6px;
  border: 1px solid rgba(0, 255, 170, .4);
}
header nav a:hover,
header nav a:focus-visible {
  text-decoration: underline;
  outline: none;
}

main {
  display: grid;
  place-items: center;
  padding: 1rem;
}

article {
  width: min(100%, 1100px);
  padding: 0 1rem 1.5rem;
}

.featured-image {
  margin: 1rem 0;
  border-radius: 12px;
  overflow: hidden;
  display: block;
  border: 1px solid rgba(0, 255, 170, .4);
  box-shadow: 0 6px 18px rgba(0,0,0,.4);
}
.featured-image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  object-fit: cover;
}

.image-frame {
  aspect-ratio: 16/9;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0, 255, 180, .4);
  background: #000;
  display: block;
}
.image-frame img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}

.content {
  padding: 0.75rem 0;
}

h2, h3 { color: var(--text); margin: .75rem 0 .5rem; }

ul, li { margin: 0 0 .5rem; padding-left: 1.25rem; }
li { color: #eafff8; }

.product-ad { display: block; border-radius: 12px; padding: .9rem; margin: .75rem 0; background: rgba(6,12,24,.40); border: 1px solid rgba(0,255,170,.40); text-align: center; }
.product-ad a { color: var(--text); text-decoration: none; display: block; padding: .25rem; }
.product-ad a:hover { text-decoration: underline; }

footer {
  padding: 1rem;
  text-align: center;
  color: var(--muted);
}

a, button, .btn, .cta {
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}

a { color: var(--accent-2); text-decoration: none; border-radius: 4px; }
a:hover { text-decoration: underline; color: #fff; }
a:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }

.btn, .cta { display: inline-flex; align-items: center; justify-content: center; padding: .6rem 1rem; border-radius: 8px; border: 1px solid rgba(0,255,180,.5); background: rgba(0,0,0,.25); color: #fff; text-decoration: none; font-weight: 600; }
.btn { background: linear-gradient(135deg, rgba(8,180,120,1) 0%, rgba(22,176,106,1) 60%, rgba(0,0,0,0) 100%); border: 1px solid rgba(0,0,0,.2); }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--solid { background: linear-gradient(135deg, #00d37a 0%, #16b96a 100%); border: 0; color: #051a0d; }
.btn--outline { background: transparent; border: 1px solid rgba(43,229,122,.8); color: var(--text); }

.card {
  padding: 1rem;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(0,255,180,.25);
}

.tag {
  display: inline-block;
  padding: .18em .5em;
  border-radius: 999px;
  font-size: .75rem;
  background: rgba(35,255,200,.25);
  color: #eafff7;
  border: 1px solid rgba(0,255,180,.4);
}

ul { padding-left: 1.4rem; }

.container {
  width: min(100%, 1100px);
  margin: 0 auto;
  padding-inline: 1rem;
}

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

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

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