/* Shared stylesheet for the hub and every skill page.
   Palette matches the sibling Pages sites (dark + gold); motion follows
   Apple/Fluid: instant press feedback, short ease-out, reduced-motion aware. */
:root{
  --bg:#0f1115; --card:#181b22; --card-2:#1e222b;
  --ink:#f3f5f8; --muted:#9aa3b2; --gold:#ffd36e; --line:#262b34; --green:#7ee08a;
  --ease-out:cubic-bezier(.23,1,.32,1);
  --ease-in-out:cubic-bezier(.77,0,.175,1);
  --radius:14px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; scroll-behavior:smooth; scroll-padding-top:96px}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font:100%/1.65 "Segoe UI",system-ui,Arial,Helvetica,sans-serif; font-size:16px;
}
.wrap{position:relative; max-width:1040px; margin:0 auto; padding-inline:20px; padding-block:0 90px}
a{color:var(--gold)}
p{margin:0 0 14px}
code{background:var(--card-2); padding:2px 6px; border-radius:5px;
  font-family:Consolas,Menlo,monospace; font-size:.9em; direction:ltr; display:inline-block}
.muted{color:var(--muted)}
[hidden]{display:none !important}

/* ---------- entrance: short stagger, decorative only ---------- */
@keyframes rise{to{opacity:1; transform:none}}
.rise{opacity:0; transform:translateY(10px); animation:rise .5s var(--ease-out) forwards}
.hero .rise:nth-child(2){animation-delay:50ms}
.hero .rise:nth-child(3){animation-delay:300ms}
.hero .rise:nth-child(4){animation-delay:380ms}
.hero .rise:nth-child(5){animation-delay:460ms}
.hero .rise:nth-child(6){animation-delay:540ms}

/* ---------- hero ---------- */
.hero{padding-block:64px 18px; max-width:760px}
.eyebrow{color:var(--gold); font-weight:600; margin:0 0 10px}
h1{font-size:clamp(2rem,5.4vw,3.1rem); line-height:1.08; letter-spacing:-.02em; margin:0 0 14px; font-weight:750}
.sub{color:var(--muted); font-size:1.08rem; max-width:62ch}
h2{font-size:1.35rem; letter-spacing:-.01em; margin:46px 0 16px; font-weight:700}
h3{font-size:1rem; margin:0 0 10px; color:var(--gold); font-weight:600}
.stats{display:flex; flex-wrap:wrap; gap:8px 22px; color:var(--muted); margin:18px 0 22px}
.stats b{color:var(--ink); font-size:1.25rem; font-variant-numeric:tabular-nums; margin-inline-end:4px}

/* ---------- guide banner ---------- */
.guide{
  display:flex; align-items:center; gap:16px; text-decoration:none; color:var(--ink);
  background:linear-gradient(135deg,#221d10,#181b22 60%); border:1px solid #4a3d18;
  border-radius:var(--radius); padding:16px 20px;
  transition:transform 160ms var(--ease-out), border-color 160ms var(--ease-out);
}
.guide .ic{font-size:2rem; flex:none}
.guide .d{color:var(--muted); font-size:.95rem}
.guide .go{margin-inline-start:auto; color:var(--gold); font-size:1.3rem; flex:none}
.guide:active{transform:scale(.985)}

/* ---------- sticky translucent filter bar ---------- */
.filterbar{
  position:sticky; top:env(safe-area-inset-top,0px); z-index:5;
  margin:34px -20px 0; padding:12px 20px;
  background:rgba(15,17,21,.78);
  -webkit-backdrop-filter:blur(18px) saturate(160%); backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.search{
  width:100%; font:inherit; color:var(--ink); background:var(--card);
  border:1px solid var(--line); border-radius:11px; padding:11px 14px; margin-bottom:10px;
  transition:border-color 160ms var(--ease-out);
}
.search:focus{outline:none; border-color:var(--gold)}
.chips{position:relative; overflow-x:auto; scrollbar-width:none; padding-bottom:2px}
.chips-row{display:flex; gap:8px; width:max-content}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:none; text-decoration:none; color:var(--ink); background:var(--card);
  border:1px solid var(--line); border-radius:999px; padding:7px 14px; font-size:.92rem;
  white-space:nowrap; transition:transform 120ms var(--ease-out), background-color 160ms var(--ease-out), color 160ms var(--ease-out);
}
.chip .n{color:var(--muted); font-variant-numeric:tabular-nums; margin-inline-start:2px}
.chip:active{transform:scale(.95)}
.chip[aria-pressed="true"]{background:var(--gold); color:#1a1407; border-color:var(--gold)}
.chip[aria-pressed="true"] .n{color:#5a4a1a}
.empty{margin-top:30px; color:var(--muted)}
@media (min-width:760px){.chips{overflow:visible} .chips-row{flex-wrap:wrap; width:auto}}

/* ---------- card grid ---------- */
.cat h2 span{margin-inline-end:4px}
.grid{list-style:none; padding:0; margin:0; display:grid; gap:14px;
  grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr))}
.skill-card{
  height:100%; display:flex; flex-direction:column; gap:6px; text-decoration:none; color:var(--ink);
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px 18px 14px;
  transition:transform 160ms var(--ease-out), border-color 200ms var(--ease-out), background-color 200ms var(--ease-out);
}
.skill-card .ic{font-size:1.7rem; line-height:1}
.skill-card .t{font-weight:700; font-size:1.08rem; letter-spacing:-.005em}
.skill-card .d{color:var(--muted); font-size:.94rem; line-height:1.55}
.skill-card .meta{margin-top:auto; padding-top:10px; display:flex; align-items:center; gap:6px; flex-wrap:wrap}
.skill-card .go{margin-inline-start:auto; color:var(--gold); transition:transform 200ms var(--ease-out)}
.skill-card:active{transform:scale(.98)}
.badge{font-size:.78rem; color:var(--gold); border:1px solid #4a3d18; border-radius:999px; padding:2px 9px}
.badge.ext{color:var(--muted); border-color:var(--line)}

@media (hover:hover) and (pointer:fine){
  .skill-card:hover{border-color:#4a3d18; background:#1b1f27}
  .skill-card:hover .go{transform:translateX(-4px)}
  .guide:hover{border-color:var(--gold)}
  .chip:hover{border-color:var(--gold)}
  .btn:hover{filter:brightness(1.07)}
  .btn.ghost:hover{border-color:var(--gold); color:var(--gold); filter:none}
  .copybtn:hover{border-color:var(--gold)}
}

/* ---------- skill page ---------- */
.crumbs{padding-top:26px; color:var(--muted); font-size:.93rem}
.crumbs a{text-decoration:none}
.crumbs .sep{margin-inline:6px; opacity:.5}
.hero-skill{padding-top:30px}
.skill-icon{font-size:3rem; line-height:1; margin-bottom:12px}
.cta{display:flex; gap:10px; flex-wrap:wrap; margin:22px 0 6px}
.btn{
  display:inline-block; background:var(--gold); color:#1a1407; text-decoration:none;
  font-weight:700; padding:11px 20px; border-radius:11px; border:1px solid transparent;
  transition:transform 160ms var(--ease-out), filter 160ms var(--ease-out);
}
.btn.ghost{background:transparent; color:var(--ink); border-color:var(--line)}
.btn:active{transform:scale(.97)}
.card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px; margin:0 0 14px}
.prose{max-width:760px}
.prose h3{margin-top:18px}
section{max-width:820px}
section.cat{max-width:none}
ul.checks{list-style:none; padding:0; margin:0}
ul.checks li{position:relative; padding-inline-start:26px; margin:8px 0}
ul.checks li::before{content:"✓"; position:absolute; inset-inline-start:0; color:var(--green); font-weight:700}
.says{list-style:none; padding:0; margin:0; display:flex; flex-wrap:wrap; gap:10px}
.say{background:var(--card-2); border:1px solid var(--line); border-radius:12px; padding:9px 14px; font-weight:600}
.ba{display:grid; grid-template-columns:1fr 1fr; gap:14px}
.ba .card{margin:0}
.ba .card.after{border-color:#3a4130}
.sample{background:var(--card-2); border-radius:10px; padding:13px 15px; font-size:.93rem; line-height:1.75; color:#d8dde5; white-space:pre-line}
.tbl{width:100%; border-collapse:collapse; font-size:.95rem}
.tbl th,.tbl td{border-bottom:1px solid var(--line); padding:10px 8px; text-align:start; vertical-align:top}
.tbl th{color:var(--gold); font-weight:600}
.tbl tr:last-child td{border-bottom:none}
.tag{color:var(--muted); font-size:.93rem; margin:12px 0 0}

/* ---------- install block ---------- */
.promptbox{position:relative}
.copybtn{
  position:absolute; inset-block-start:14px; inset-inline-end:14px;
  background:#222833; color:var(--ink); border:1px solid var(--line); border-radius:9px;
  padding:7px 14px; cursor:pointer; font:600 .85rem/1.4 inherit; font-family:inherit; min-width:82px;
  transition:transform 120ms var(--ease-out), background-color 160ms var(--ease-out), color 160ms var(--ease-out);
}
.copybtn:active{transform:scale(.95)}
.copybtn[data-done]{background:var(--green); color:#0f1115; border-color:var(--green)}
pre{white-space:pre-wrap; word-wrap:break-word; margin:0; padding:46px 4px 4px;
  font-size:.92rem; line-height:1.8; font-family:inherit; color:#dfe4ec; text-align:start}
pre.ltr{direction:ltr; text-align:left; font-family:Consolas,Menlo,monospace; font-size:.88rem}
details.alt{margin-top:6px}
details.alt summary{cursor:pointer; color:var(--muted); padding:8px 0}
details.alt[open] summary{margin-bottom:10px}
.back{margin-top:40px}

/* ---------- footer ---------- */
.foot{margin-top:56px; padding-top:22px; border-top:1px solid var(--line); color:var(--muted); font-size:.94rem}
.brand{color:var(--gold); font-weight:600}

@media (max-width:700px){
  .ba{grid-template-columns:1fr}
  .hero{padding-top:44px}
  .guide{padding:14px 16px}
}

/* ---------- accessibility ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rise{opacity:1; transform:none; animation:none}
  *{transition-duration:.01ms !important}
}
@media (prefers-reduced-transparency:reduce){
  .filterbar{background:var(--bg); -webkit-backdrop-filter:none; backdrop-filter:none}
}
@media (prefers-contrast:more){
  .card,.skill-card,.chip{border-color:#5a6473}
  .sub,.muted,.tag,.foot,.skill-card .d{color:#c6ccd6}
}

/* =====================================================================
   Motion layer. Everything that starts hidden is gated on .js, so the
   page is fully visible without JS. Only transform/opacity/clip-path move.
   ===================================================================== */

/* ---------- aurora: pre-blurred gradients drifting behind the hero ---------- */
body{position:relative; overflow-x:hidden}
.aurora{
  position:absolute; inset-inline:0; inset-block-start:0; height:760px; z-index:0;
  overflow:hidden; pointer-events:none;
  -webkit-mask-image:linear-gradient(#000 55%,transparent); mask-image:linear-gradient(#000 55%,transparent);
}
.aurora.dim{height:520px; opacity:.55}
.aurora i{
  position:absolute; width:560px; height:560px; border-radius:50%;
  background:radial-gradient(circle,rgba(255,211,110,.20),rgba(255,211,110,0) 64%);
  animation:drift 26s var(--ease-in-out) infinite alternate;
}
.aurora i:nth-child(1){inset-inline-start:-120px; inset-block-start:-180px}
.aurora i:nth-child(2){inset-inline-start:34%; inset-block-start:-240px; animation-duration:32s; animation-delay:-8s;
  background:radial-gradient(circle,rgba(255,153,77,.16),rgba(255,153,77,0) 64%)}
.aurora i:nth-child(3){inset-inline-end:-160px; inset-block-start:60px; animation-duration:29s; animation-delay:-14s}
.aurora i:nth-child(4){inset-inline-start:18%; inset-block-start:220px; width:420px; height:420px; animation-duration:36s;
  background:radial-gradient(circle,rgba(126,224,138,.08),rgba(126,224,138,0) 64%)}
@keyframes drift{
  0%{transform:translate3d(0,0,0) scale(1)}
  50%{transform:translate3d(60px,40px,0) scale(1.12)}
  100%{transform:translate3d(-40px,80px,0) scale(.94)}
}
/* static film grain: kills gradient banding and adds texture */
.aurora::after{
  content:""; position:absolute; inset:0; opacity:.07; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.wrap{z-index:1}

/* ---------- headline: word-by-word focus-in (once, on load) ---------- */
.words .w{display:inline-block; opacity:0; filter:blur(8px); transform:translateY(14px);
  animation:focus-in .8s var(--ease-out) forwards; animation-delay:calc(var(--i) * 70ms + 60ms)}
@keyframes focus-in{to{opacity:1; filter:blur(0); transform:none}}
.words .w:last-child{color:var(--gold)}

/* ---------- ticker: real phrases you can say to Claude ---------- */
.ticker{display:flex; flex-wrap:wrap; align-items:baseline; gap:6px 10px; margin:4px 0 0;
  font-size:1.05rem; min-height:2.2em}
.ticker-label{color:var(--muted)}
.ticker-link{text-decoration:none; color:var(--ink); display:inline-flex; flex-wrap:wrap; gap:4px 10px; align-items:baseline}
.ticker-say{font-weight:700; color:var(--gold)}
.ticker-skill{color:var(--muted); font-size:.92rem}
.ticker-link.swap-out{opacity:0; filter:blur(4px); transform:translateY(-8px);
  transition:opacity 200ms var(--ease-out), filter 200ms var(--ease-out), transform 200ms var(--ease-out)}
.ticker-link.swap-in{opacity:0; filter:blur(4px); transform:translateY(8px)}
.ticker-link{transition:opacity 320ms var(--ease-out), filter 320ms var(--ease-out), transform 320ms var(--ease-out)}
@media (hover:hover) and (pointer:fine){ .ticker-link:hover .ticker-skill{color:var(--gold)} }

/* ---------- constellation: skill icons floating beside the hero ---------- */
.constellation{display:none}
@media (min-width:980px){
  .constellation{display:block; position:absolute; inset-inline-end:10px; inset-block-start:70px;
    width:280px; height:400px; pointer-events:none}
}
.star{position:absolute; inset-inline-start:var(--x); inset-block-start:var(--y);
  font-size:calc(1.1rem + var(--depth) * 1.5rem); opacity:calc(.25 + var(--depth) * .6);
  filter:blur(calc((1 - var(--depth)) * 1.6px))}
.star > span{display:inline-block; animation:bob var(--bob) var(--ease-in-out) var(--delay) infinite alternate}
@keyframes bob{from{transform:translateY(-6px) rotate(-4deg)} to{transform:translateY(6px) rotate(4deg)}}

/* ---------- scroll reveal (hub cards, skill page sections) ---------- */
.js .reveal{opacity:0; transform:translateY(16px);
  transition:opacity 560ms var(--ease-out), transform 560ms var(--ease-out)}
.js .reveal[data-visible]{opacity:1; transform:none}

/* ---------- card spotlight follows the pointer ---------- */
.skill-card{position:relative; overflow:hidden; isolation:isolate}
.skill-card::before{content:""; position:absolute; inset:0; z-index:-1; opacity:0;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),rgba(255,211,110,.13),transparent 65%);
  transition:opacity 240ms ease}
.skill-card .ic{display:inline-block; transform-origin:50% 80%; transition:transform 260ms var(--ease-out)}
@media (hover:hover) and (pointer:fine){
  .skill-card:hover::before{opacity:1}
  .skill-card:hover .ic{transform:translateY(-3px) rotate(-8deg) scale(1.1)}
}

/* ---------- sliding filter pill (clip-path over an "active" copy) ---------- */
.pill-copy{position:absolute; inset-block-start:0; inset-inline-start:0; pointer-events:none;
  clip-path:inset(0 100% 100% 0 round 999px)}
.pill-copy.ready{transition:clip-path 260ms var(--ease-in-out)}
.pill-copy .chip{background:var(--gold); color:#1a1407; border-color:var(--gold)}
.pill-copy .chip .n{color:#5a4a1a}
@media (min-width:760px){ .pill-copy{width:100%} }
.has-pill .chips-row:not(.pill-copy) .chip[aria-pressed="true"]{background:var(--card); color:var(--ink); border-color:var(--line)}
.has-pill .chips-row:not(.pill-copy) .chip[aria-pressed="true"] .n{color:var(--muted)}

/* ---------- skill page: breathing halo around the big icon ---------- */
.skill-icon{position:relative; display:inline-block}
.skill-icon::before{content:""; position:absolute; inset:-60%; z-index:-1; border-radius:50%;
  background:radial-gradient(circle,rgba(255,211,110,.28),rgba(255,211,110,0) 62%);
  animation:breathe 7s var(--ease-in-out) infinite alternate}
.skill-icon > span{display:inline-block; animation:bob 9s var(--ease-in-out) infinite alternate}
@keyframes breathe{from{opacity:.55; transform:scale(.9)} to{opacity:1; transform:scale(1.08)}}
.copybtn[data-done]{animation:pop 320ms var(--ease-out)}
@keyframes pop{0%{transform:scale(.92)} 60%{transform:scale(1.05)} 100%{transform:scale(1)}}

/* ---------- featured: hand-picked cards above the filter ---------- */
.featured{max-width:none; margin-top:10px}
.feat-grid{list-style:none; padding:0; margin:0; display:grid; gap:16px;
  grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}
.feat-card{padding:22px 22px 16px; gap:8px;
  background:linear-gradient(160deg,#211c10 0%,var(--card) 55%); border-color:#4a3d18}
/* gold gradient hairline drawn on a mask layer, so layout never changes */
.feat-card::after{content:""; position:absolute; inset:0; border-radius:inherit; padding:1px; pointer-events:none;
  background:linear-gradient(135deg,rgba(255,211,110,.75),rgba(255,211,110,.08) 45%,rgba(255,153,77,.5));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude}
.feat-top{display:flex; align-items:center; justify-content:space-between}
.feat-card .ic{font-size:2.4rem}
.feat-card .t{font-size:1.2rem}
.badge.solid{background:var(--gold); color:#1a1407; border-color:var(--gold); font-weight:700}
.say-line{margin-top:4px; padding:8px 12px; border-radius:10px; background:rgba(255,211,110,.07);
  color:var(--muted); font-size:.9rem}
.say-line b{color:var(--gold)}

/* ---------- install everything in one line ---------- */
.install-all{max-width:none; margin-top:26px}
.all-card{padding:20px 22px; background:linear-gradient(160deg,#16201a 0%,var(--card) 60%); border-color:#2f4a36}
.all-card h2{margin:0 0 8px; font-size:1.2rem}
.all-card .promptbox{background:var(--card-2); border-radius:12px; padding:4px 14px 12px; margin-top:12px}
.all-card details.alt .promptbox{margin-top:0}

/* ---------- reduced motion: keep fades, drop movement ---------- */
@media (prefers-reduced-motion:reduce){
  .aurora i,.star > span,.skill-icon > span,.skill-icon::before,.copybtn[data-done]{animation:none}
  .words .w{animation:fade .3s ease forwards; filter:none; transform:none}
  .js .reveal{transform:none}
  .ticker-link.swap-out,.ticker-link.swap-in{transform:none; filter:none}
}
@keyframes fade{to{opacity:1}}
@media (prefers-reduced-transparency:reduce){ .aurora{display:none} }