/* Base tokens */
:root{
  --bg: #0b0f14;
  --bg-2: #11161c;
  --text: #e9feff;
  --muted: #9bd7cc;
  --accent: #2ee8c3;
  --accent-2: #7ef0d9;
  --glass: rgba(8,14,22,.28);
  --glass-border: rgba(46,232,195,.38);
  --shadow: 0 8px 24px rgba(0,0,0,.32);
}
*{box-sizing:border-box}
html,body{height:100%}
html{font-family:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif}
html,body{margin:0;color:var(--text)}
body{
  background: 
    linear-gradient(135deg, rgba(8,12,18,.95), rgba(10,14,20,.95)),
    repeating-linear-gradient(135deg, rgba(46,232,195,.08) 0 6px, transparent 6px 12px),
    linear-gradient(to bottom, rgba(0,0,0,.25), rgba(0,0,0,.15) 60%, rgba(0,0,0,.25));
  min-height:100dvh;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
@media (prefers-reduced-motion: reduce){
  html,body,*{animation:none !important; transition:none !important}
}

/* Layout helpers */
.container{max-width: clamp(320px, 86vw, 1100px); margin-inline:auto; padding-inline:1rem}
.grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:1rem}
.card{background: rgba(8,12,20,.28); border:1px solid rgba(46,232,195,.38); border-radius:12px; padding:1rem; box-shadow: var(--shadow); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px)}
.tag{display:inline-block; padding:.15em .5em; border-radius:999px; font-size:.75rem; color:var(--text); background: rgba(46,232,195,.25); border:1px solid rgba(46,232,195,.5)}

/* Typography/scaling */
h1{margin:.25rem 0; font-size: clamp(1.75rem, 2.8vw + 1rem, 3rem); line-height:1.15; letter-spacing:.2px; color:var(--accent)}
p{margin:.25rem 0}
a{color:var(--accent-2); text-decoration:none}
a:hover{ text-decoration:underline; text-decoration-color: var(--accent); text-underline-offset:.2em}
a:focus-visible, button:focus-visible{outline:2px solid var(--accent); outline-offset:2px; border-radius:6px}
ul{margin:0; padding:0; list-style:none}
li{margin:.25rem 0}

/* Sections/sections elements (as required selectors) */
header{padding:2rem 1rem; text-align:center; border-bottom:1px solid rgba(46,232,195,.28); background: rgba(8,14,22,.28); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px)}
nav{display:block}
main{padding:1rem 0 2rem}
article{display:block}
footer{padding:1.25rem 1rem; display:block; background: rgba(8,14,22,.25); border-top:1px solid rgba(46,232,195,.28)}
aside{display:none}

/* Hero image frame (image-frame) */
.image-frame{ width:100%; max-width:720px; aspect-ratio:16/9; border-radius:14px; overflow:hidden; margin:0 auto; border:1px solid rgba(46,232,195,.38); background: rgba(255,255,255,.04); box-shadow: 0 8px 28px rgba(0,0,0,.35)}
.image-frame img{ width:100%; height:100%; object-fit:cover; display:block; }

/* Glass panel aesthetics for content areas */
.content{ padding:1rem; border-radius:12px; background: rgba(8,14,22,.28); border:1px solid rgba(46,232,195,.38); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 6px 18px rgba(0,0,0,.25)}

/* Product ad blocks (footer sections) */
.product-ad, .sponsored-page{ display:flex; align-items:center; justify-content:center; padding:0.9rem; border-radius:12px; text-align:center; background: rgba(8,14,22,.28); border:1px solid rgba(46,232,195,.38); margin:.25rem 0}
.product-ad a, .sponsored-page a{width:100%; display:block; padding:0.75rem; color:inherit}
/* Footer copy */
footer p{ text-align:center; color:var(--muted); margin:0.25rem 0 0}

/* Buttons and CTAs (solid and outline variants) */
.btn, .cta, button{ display:inline-flex; align-items:center; justify-content:center; gap:.5rem; padding:.6rem 1rem; border-radius:999px; border:1px solid rgba(46,232,195,.5); background: rgba(46,232,195,.25); color:var(--text); text-decoration:none; cursor:pointer; font-weight:600; transition: transform .15s ease, background .2s ease, border-color .2s ease; }
.btn:hover, .cta:hover, button:hover{ transform: translateY(-1px); background: rgba(46,232,195,.34); border-color: rgba(46,232,195,.8)}
.btn:active, .cta:active, button:active{ transform: translateY(0); }
.btn.outline, .cta.outline{ background: transparent; border:1px solid rgba(46,232,195,.9); color: var(--text) }
.btn:focus-visible, .cta:focus-visible{ outline:2px solid var(--accent); outline-offset:3px }

/* Image frame helper fallback (if needed for non-backdrop contexts) */
@supports not (backdrop-filter: blur(8px)){
  .card, .image-frame{ background: rgba(8,14,22,.5); border-color: rgba(46,232,195,.6) }
}

/* Print readability */
@media print{
  body{ background:#fff; color:#000 }
  a{ text-decoration:underline }
  .image-frame{ page-break-inside: avoid; }
}

/* Reduced motion preference handling (disable animations) */
@media (prefers-reduced-motion: reduce){
  .image-frame{ transition: none; }
  .btn, .card, .tag{ transition: none; }
}