:root{
  --bg:#000;
  --surface:#0c0c0d;
  --surface-2:#121214;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#fff;
  --muted:rgba(255,255,255,.55);
  --muted-2:rgba(255,255,255,.38);
  --accent:#e8702a;
  --accent-2:#f0b894;
  --radius:22px;
  --max:1120px;
  --ease:cubic-bezier(.16,1,.3,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  letter-spacing:-.02em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  min-height:100vh;
}
em{font-family:'Playfair Display',serif;font-style:italic;font-weight:500}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#000}

/* faint film grain over the whole page */
.bg-grain{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size:200px 200px;mix-blend-mode:overlay;
}
/* warm radial glow tied to accent */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(60% 50% at 50% -5%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
  transition:background .6s var(--ease);
}

/* ---------- topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px clamp(16px,4vw,40px);
  background:rgba(0,0,0,.55);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);font-weight:500}
.brand em{color:#fff}
.brand-dot{width:18px;height:18px;border-radius:6px;background:var(--accent);box-shadow:0 0 22px -2px var(--accent);transition:background .4s var(--ease),box-shadow .4s var(--ease)}
.brand-text{white-space:nowrap}
@media (max-width:520px){.brand-text{display:none}}

.tabs{display:flex;gap:6px;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;padding:5px}
.tab{
  font:inherit;font-size:13px;font-weight:500;letter-spacing:-.01em;
  color:var(--muted);background:transparent;border:0;cursor:pointer;
  padding:8px 18px;border-radius:999px;transition:all .35s var(--ease);white-space:nowrap;
}
.tab:hover{color:#fff}
.tab.active{background:#fff;color:#000}

/* ---------- layout ---------- */
.case{position:relative;z-index:1;max-width:var(--max);margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.case-anim{opacity:0;transform:translateY(14px);animation:fadeUp .7s var(--ease) forwards}
@keyframes fadeUp{to{opacity:1;transform:none}}

/* ---------- hero ---------- */
.hero{margin-top:clamp(28px,5vw,56px)}
.hero-figure{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-2);
  box-shadow:0 40px 120px -40px rgba(0,0,0,.9);
  aspect-ratio:16/9;background:#000;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;display:block}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.85),transparent 55%)}
.hero-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:clamp(20px,4vw,38px)}
.hero-kicker{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}
.hero-title{font-size:clamp(34px,6vw,68px);line-height:.98;font-weight:400}
.hero-title em{color:var(--accent-2)}
.hero-sub{margin-top:14px;max-width:520px;font-size:clamp(14px,1.6vw,16px);color:var(--muted);line-height:1.55}

/* ---------- archive bar ---------- */
.archive{
  margin-top:22px;
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;
  padding:20px clamp(18px,3vw,26px);
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
}
.archive-text strong{display:block;font-size:15px;font-weight:600}
.archive-text span{display:block;font-size:13px;color:var(--muted);margin-top:3px}
.btn-archive{
  display:inline-flex;align-items:center;gap:11px;
  font:inherit;font-size:14px;font-weight:600;color:#fff;cursor:pointer;
  background:var(--accent);border:0;border-radius:999px;padding:13px 22px 13px 24px;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
.btn-archive:hover{transform:translateY(-1px) scale(1.02);box-shadow:0 12px 40px -10px color-mix(in srgb,var(--accent) 60%,transparent)}
.btn-archive:active{transform:scale(.98)}
.btn-archive svg{width:17px;height:17px}

/* ---------- run block ---------- */
.run{margin-top:16px;padding:22px clamp(18px,3vw,26px);background:var(--surface);border:1px solid var(--line);border-radius:18px}
.run-head{font-size:15px;font-weight:600;margin-bottom:14px}
.run-steps{list-style:none;counter-reset:run;display:flex;flex-direction:column;gap:9px}
.run-steps li{counter-increment:run;position:relative;padding-left:34px;font-size:14px;color:var(--muted);line-height:1.5}
.run-steps li::before{
  content:counter(run);position:absolute;left:0;top:-1px;
  width:23px;height:23px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:600;color:var(--accent-2);
  background:color-mix(in srgb,var(--accent) 14%,transparent);
  border:1px solid color-mix(in srgb,var(--accent) 28%,transparent)}
.run-steps li b{color:#fff;font-weight:600}
.run-code{
  margin-top:16px;padding:14px 18px;border-radius:12px;background:#0a0a0b;border:1px solid var(--line);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:var(--accent-2);line-height:1.7}
.run-note{margin-top:14px;font-size:13px;color:var(--muted-2);line-height:1.5}

/* ---------- asset download links ---------- */
.assets{margin-top:18px;display:flex;flex-direction:column;gap:9px}
.assets-head{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);margin-bottom:3px}
.asset{
  display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:12px;
  background:var(--surface-2);border:1px solid var(--line);
  transition:border-color .25s var(--ease),background .25s var(--ease),transform .25s var(--ease)}
.asset:hover{border-color:var(--line-2);background:#17171a;transform:translateY(-1px)}
.asset-ic{flex:none;width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  color:var(--accent-2);background:color-mix(in srgb,var(--accent) 12%,transparent)}
.asset-ic svg{width:18px;height:18px}
.asset--video .asset-ic{color:#cbd5e1;background:rgba(255,255,255,.06)}
.asset-label{flex:1;font-size:13.5px;color:rgba(255,255,255,.85);line-height:1.35}
.asset-size{flex:none;font-size:12px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.asset-dl{flex:none;color:var(--muted);display:grid;place-items:center}
.asset-dl svg{width:17px;height:17px}
.asset:hover .asset-dl{color:#fff}

/* ---------- section ---------- */
.section{margin-top:clamp(48px,7vw,84px)}
.section-head{display:flex;align-items:baseline;gap:14px;margin-bottom:8px}
.section-head h2{font-size:clamp(22px,3vw,30px);font-weight:600;letter-spacing:-.03em}
.section-head .count{font-size:13px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.section-note{font-size:14px;color:var(--muted);margin-bottom:26px;max-width:640px;line-height:1.55}

/* ---------- prompt card ---------- */
.cards{display:flex;flex-direction:column;gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .35s var(--ease)}
.card:hover{border-color:var(--line-2)}
.card-body{padding:clamp(20px,3vw,28px)}
.card-top{display:flex;align-items:flex-start;gap:14px}
.card-index{
  flex:none;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;font-size:13px;font-weight:600;
  background:color-mix(in srgb,var(--accent) 16%,transparent);
  color:var(--accent-2);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);
}
.card-title{font-size:clamp(16px,2vw,19px);font-weight:600;letter-spacing:-.02em;line-height:1.3}
.card-desc{margin-top:12px;font-size:14.5px;line-height:1.6;color:var(--muted)}
.attach{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);
  background:var(--surface-2);border:1px solid var(--line);border-radius:999px;padding:6px 12px}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.note{margin-top:14px;font-size:13px;color:var(--muted-2);line-height:1.5;font-style:italic}

/* code block */
.code-wrap{position:relative;margin-top:18px;border-top:1px solid var(--line)}
.code-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px clamp(16px,2.5vw,22px);background:var(--surface-2)}
.code-lang{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2)}
.btn-copy{
  display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:12.5px;font-weight:500;
  color:var(--muted);cursor:pointer;background:transparent;border:1px solid var(--line-2);
  border-radius:999px;padding:7px 14px;transition:all .25s var(--ease)}
.btn-copy:hover{color:#fff;border-color:rgba(255,255,255,.35)}
.btn-copy.done{color:var(--accent-2);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.btn-copy svg{width:14px;height:14px}
pre.code{
  margin:0;padding:clamp(16px,2.5vw,22px);max-height:340px;overflow:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;line-height:1.65;color:rgba(255,255,255,.82);
  white-space:pre-wrap;word-break:break-word;background:#0a0a0b}
pre.code::-webkit-scrollbar{width:9px;height:9px}
pre.code::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:9px}
pre.code::-webkit-scrollbar-track{background:transparent}

/* ---------- footer ---------- */
.site-footer{
  position:relative;z-index:1;max-width:var(--max);margin:clamp(70px,10vw,120px) auto 0;
  padding:48px clamp(16px,4vw,40px) 64px;border-top:1px solid var(--line);text-align:center}
.made-by{font-size:clamp(20px,3vw,28px);font-weight:400}
.made-by a{color:var(--accent-2);border-bottom:1px solid color-mix(in srgb,var(--accent) 45%,transparent);padding-bottom:2px;transition:color .25s var(--ease)}
.made-by a:hover{color:#fff}
.footer-links{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px;margin-top:22px;font-size:14px;color:var(--muted)}
.footer-links a{transition:color .25s var(--ease)}
.footer-links a:hover{color:#fff}
.footer-links .dot{width:4px;height:4px;border-radius:50%;background:var(--muted-2)}
.copyright{margin-top:26px;font-size:12.5px;color:var(--muted-2)}

@media (max-width:560px){
  .archive{flex-direction:column;align-items:stretch}
  .btn-archive{justify-content:center}
  .footer-links .dot{display:none}
  .footer-links{flex-direction:column;gap:8px}
}