/* ============================================================
   WOULI.COM — "One name, many frequencies"
   A single line runs through the whole page.
   ============================================================ */
:root{
  --ink:      #0a0a12;
  --ink-2:    #11101d;
  --ink-3:    #1a1830;
  --paper:    #eeedf5;
  --muted:    #a09dbd;
  --uv:       #a19dff;   /* ultraviolet accent */
  --uv-deep:  #6c66e8;
  --ember:    #ff8a5c;   /* beacon only — use sparingly */
  --line:     rgba(161,157,255,.30);
  --card:     rgba(161,157,255,.05);
  --card-brd: rgba(161,157,255,.14);
  --font-d:   "Unbounded", sans-serif;
  --font-b:   "Instrument Sans", system-ui, sans-serif;
  --font-m:   "JetBrains Mono", monospace;
  --gutter:   clamp(20px, 5vw, 96px);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-b);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
  min-height:100svh;
  display:flex;flex-direction:column;
}
main{flex:1 0 auto}
::selection{background:var(--uv);color:var(--ink)}
a{color:var(--uv);text-decoration:none}
a:hover{color:var(--paper)}
:focus-visible{outline:2px solid var(--ember);outline-offset:3px;border-radius:4px}
img{max-width:100%;display:block}

/* ---------- The Spine (signature element) ---------- */
#spine-wrap{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden}
#spine{width:100%;height:100%;display:block}
#spine .trail{fill:none;stroke:rgba(161,157,255,.14);stroke-width:1.5}
#spine .drawn{fill:none;stroke:rgba(161,157,255,.55);stroke-width:1.75;filter:drop-shadow(0 0 5px rgba(161,157,255,.4))}
#spine .beacon{fill:var(--ember);filter:drop-shadow(0 0 10px rgba(255,138,92,.9))}
#spine .beacon-halo{
  fill:none;stroke:var(--ember);stroke-width:1;opacity:.5;
  transform-box:fill-box;transform-origin:center;
  animation:halo 2.4s ease-in-out infinite;
}
@keyframes halo{50%{transform:scale(1.8);opacity:.12}}
@media (prefers-reduced-motion: reduce){#spine .beacon-halo{animation:none}}
main{position:relative;z-index:1}
footer{position:relative;z-index:1}
/* ink halo behind every piece of text — the line dims wherever words pass */
main h1, main h2, main h3, main p, main li, main .k, main .chip{
  text-shadow:0 0 6px var(--ink), 0 0 14px var(--ink), 0 0 24px var(--ink);
}

/* ---------- Nav ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:16px var(--gutter);
  background:linear-gradient(to bottom, rgba(10,10,18,.85), rgba(10,10,18,0));
  backdrop-filter:blur(2px);
}
.nav .logo{font-family:var(--font-d);font-weight:800;font-size:15px;letter-spacing:.12em;color:var(--paper)}
.nav .chapter-ind{font-family:var(--font-m);font-size:12px;color:var(--muted);letter-spacing:.08em}
.nav .chapter-ind b{color:var(--uv);font-weight:500}
.nav .cta{
  font-family:var(--font-m);font-size:12px;letter-spacing:.06em;
  color:var(--ink);background:var(--uv);
  padding:9px 16px;border-radius:99px;
  transition:transform .25s cubic-bezier(.2,.8,.2,1), background .25s;
}
.nav .cta:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px)}

/* ---------- Hero ---------- */
.hero{
  min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  padding:120px var(--gutter) 64px;
  position:relative;
}
.hero .eyebrow{
  font-family:var(--font-m);font-size:12px;letter-spacing:.28em;
  color:var(--muted);text-transform:uppercase;margin-bottom:24px;
}
.hero .eyebrow .dot{color:var(--ember)}
.hero h1{
  font-family:var(--font-d);font-weight:800;
  font-size:clamp(64px, 17vw, 220px);
  line-height:.95;letter-spacing:-.01em;
  color:var(--paper);
}
.hero h1 span{display:inline-block;opacity:0;transform:translateY(.5em) rotate(3deg);animation:rise .9s cubic-bezier(.2,.9,.2,1) forwards}
@keyframes rise{to{opacity:1;transform:none}}
.hero .tag{
  margin-top:20px;
  font-size:clamp(18px, 2.4vw, 26px);
  color:var(--muted);max-width:32ch;
}
.hero .tag em{font-style:normal;color:var(--uv)}
#hero-wave{width:min(560px,100%);height:56px;margin-top:36px;opacity:.9}
.hero .row{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px;align-items:center}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-m);font-size:13px;letter-spacing:.05em;
  padding:14px 24px;border-radius:99px;border:1px solid var(--card-brd);
  color:var(--paper);background:var(--card);
  transition:transform .25s cubic-bezier(.2,.8,.2,1), border-color .25s, background .25s;
}
.btn:hover{transform:translateY(-3px);border-color:var(--uv);color:var(--paper)}
.btn.solid{background:var(--uv);color:var(--ink);border-color:transparent}
.btn.solid:hover{background:var(--paper);color:var(--ink)}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-m);font-size:12px;color:var(--muted);
  border:1px solid var(--card-brd);border-radius:99px;padding:8px 14px;
}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--ember);box-shadow:0 0 8px var(--ember);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{opacity:.35}}
.scroll-cue{
  position:absolute;bottom:28px;left:var(--gutter);
  font-family:var(--font-m);font-size:11px;letter-spacing:.3em;color:var(--muted);
  text-transform:uppercase;display:flex;align-items:center;gap:12px;
}
.scroll-cue::after{content:"";width:1px;height:44px;background:linear-gradient(var(--uv),transparent);animation:drip 1.8s ease-in-out infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}55%{transform:scaleY(1);transform-origin:top}56%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ---------- Sections / chapters ---------- */
section{padding:clamp(96px,14vh,180px) var(--gutter);position:relative}
.k{ /* kicker */
  font-family:var(--font-m);font-size:12px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--ember);margin-bottom:18px;display:flex;align-items:center;gap:14px;
}
.k::after{content:"";height:1px;width:56px;background:var(--card-brd)}
h2{
  font-family:var(--font-d);font-weight:600;
  font-size:clamp(30px,5.6vw,64px);line-height:1.08;letter-spacing:-.01em;
  max-width:16ch;margin-bottom:24px;
}
h2 .uv{color:var(--uv)}
.lede{color:var(--muted);max-width:56ch;font-size:clamp(16px,1.6vw,19px)}
.lede b{color:var(--paper);font-weight:500}

/* intro manifesto */
.intro p{font-size:clamp(20px,3vw,32px);line-height:1.5;max-width:26ch;font-weight:400}
.intro p + p{margin-top:1.2em}
.intro .dim{color:var(--muted)}

/* chapter layout */
.chapter{display:grid;grid-template-columns:1fr;gap:40px;max-width:1200px}
.chapter .media{
  border:1px dashed var(--card-brd);border-radius:20px;
  background:var(--ink-2);
  aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-m);font-size:12px;color:var(--muted);letter-spacing:.08em;
  text-align:center;padding:20px;
}
.chapter .links{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
@media(min-width:900px){
  .chapter{grid-template-columns:1.05fr .95fr;gap:64px;align-items:center;margin-inline:auto}
  .chapter.flip .media{order:-1}
}

/* ---------- Motion · embedded videos (compact stack) ---------- */
.video-stack{display:flex;flex-direction:column;gap:14px}
.video-minis{
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.yt{
  position:relative;aspect-ratio:16/9;
  border-radius:20px;overflow:hidden;
  background:var(--ink-2);border:1px solid var(--card-brd);
  transition:border-color .3s;
}
.yt.mini{border-radius:14px}
.yt:hover{border-color:var(--uv)}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-facade{
  position:absolute;inset:0;width:100%;height:100%;
  display:block;padding:0;border:0;background:none;cursor:pointer;
  font-family:inherit;text-align:left;
}
.yt-thumb{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:.8;transition:opacity .35s ease, transform .6s cubic-bezier(.2,.8,.2,1);
}
.yt-facade:hover .yt-thumb{opacity:1;transform:scale(1.04)}
.yt-facade::after{ /* legibility gradient for the title */
  content:"";position:absolute;inset:auto 0 0 0;height:45%;
  background:linear-gradient(to top, rgba(10,10,18,.85), transparent);
}
.yt-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:58px;height:58px;border-radius:50%;z-index:1;
  background:rgba(10,10,18,.72);border:1px solid var(--uv);
  transition:background .3s, border-color .3s, transform .3s cubic-bezier(.2,.8,.2,1);
}
.yt-play::after{ /* the triangle */
  content:"";position:absolute;top:50%;left:53%;transform:translate(-50%,-50%);
  border-style:solid;border-width:10px 0 10px 16px;
  border-color:transparent transparent transparent var(--uv);
  transition:border-color .3s;
}
.yt-facade:hover .yt-play{background:rgba(10,10,18,.9);border-color:var(--ember);transform:translate(-50%,-50%) scale(1.1)}
.yt-facade:hover .yt-play::after{border-left-color:var(--ember)}
.yt.mini .yt-play{width:40px;height:40px}
.yt.mini .yt-play::after{border-width:7px 0 7px 11px}
.yt-title{
  position:absolute;left:16px;bottom:12px;right:16px;z-index:1;
  font-family:var(--font-m);font-size:12px;letter-spacing:.08em;
  color:var(--paper);text-transform:uppercase;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.yt.mini .yt-title{font-size:10px;left:12px;bottom:9px;right:12px}

/* ---------- The Toolkit ---------- */
.tk{
  display:grid;gap:44px 40px;margin-top:52px;max-width:1200px;
  grid-template-columns:repeat(auto-fit, minmax(230px, 1fr));
}
.tk-domain{
  font-family:var(--font-m);font-size:11px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--ember);
  padding-bottom:12px;margin-bottom:6px;
  border-bottom:1px solid var(--card-brd);
}
.tk-list{list-style:none}
.tk-item{
  display:flex;align-items:center;gap:14px;
  padding:13px 8px 13px 0;
  border-bottom:1px solid rgba(161,157,255,.07);
}
.tk-item:last-child{border-bottom:0}
.tk-tile{
  flex:none;width:42px;height:42px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink-3);border:1px solid var(--card-brd);
  font-family:var(--font-d);font-weight:600;font-size:14px;
  color:var(--uv);letter-spacing:0;
  transition:border-color .3s, transform .3s cubic-bezier(.2,.8,.2,1);
  position:relative;overflow:hidden;
}
/* your app logo, layered over the letters — if the file is missing,
   the img removes itself and the two-letter fallback shows instead */
.tk-logo{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:contain;padding:7px;
  background:var(--ink-3);border-radius:inherit;
}
.tk-tile-sm{font-size:11px}
.tk-tile-ember{color:var(--ember);font-size:17px}
.tk-item:hover .tk-tile{border-color:var(--uv);transform:translateY(-2px)}
.tk-body{display:flex;flex-direction:column;gap:1px;min-width:0}
.tk-name{font-size:15px;font-weight:500;color:var(--paper)}
.tk-note{
  font-family:var(--font-m);font-size:11px;letter-spacing:.03em;
  color:var(--muted);
  transition:color .3s;
}
.tk-item:hover .tk-note{color:var(--uv)}

/* ---------- The Lab ---------- */
.lab-grid{
  display:grid;gap:16px;margin-top:48px;
  grid-template-columns:repeat(auto-fill,minmax(250px,1fr));
  max-width:1200px;
}
.lab-card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  padding:24px;border-radius:18px;
  background:var(--card);border:1px solid var(--card-brd);
  transition:transform .3s cubic-bezier(.2,.8,.2,1), border-color .3s, background .3s;
  transform-style:preserve-3d;will-change:transform;
  color:var(--paper);
}
.lab-card:hover{border-color:var(--uv);background:rgba(161,157,255,.09)}
.lab-card .logo{width:44px;height:44px;border-radius:12px;object-fit:cover;background:var(--ink-3)}
.lab-card h3{font-family:var(--font-d);font-weight:600;font-size:16px;letter-spacing:.01em}
.lab-card p{color:var(--muted);font-size:14.5px;line-height:1.5}
.lab-card .go{
  margin-top:auto;font-family:var(--font-m);font-size:11px;letter-spacing:.14em;
  color:var(--uv);text-transform:uppercase;
}
.lab-card:hover .go{color:var(--ember)}

/* ---------- Flight Log ---------- */
.log{max-width:820px}
.log-list{list-style:none;margin-top:48px;border-left:1px solid var(--card-brd)}
.log-list li{
  position:relative;
  display:grid;grid-template-columns:64px 1fr;gap:2px 22px;
  padding:26px 0 26px 32px;
}
.log-list li::before{
  content:"";position:absolute;left:-5px;top:36px;
  width:9px;height:9px;border-radius:50%;
  background:var(--ink);border:2px solid var(--uv);
  transition:background .3s, box-shadow .3s;
}
.log-list li:hover::before{background:var(--ember);border-color:var(--ember);box-shadow:0 0 10px var(--ember)}
.log-list .y{
  grid-row:1 / 3;
  font-family:var(--font-m);font-size:14px;letter-spacing:.08em;
  color:var(--ember);padding-top:4px;
}
.log-list .op{
  grid-column:2;
  font-weight:600;font-size:clamp(17px,2.2vw,20px);line-height:1.35;
  color:var(--paper);letter-spacing:.01em;
}
.log-list .d{grid-column:2;color:var(--muted);font-size:15.5px;line-height:1.6}
.log-list li.now .op{color:var(--uv)}

.log-list a{
  color:var(--uv);
  border-bottom:1px solid rgba(161,157,255,.35);
  padding-bottom:1px;
  transition:color .25s ease, border-color .25s ease, text-shadow .25s ease;
}
.log-list a:hover{
  color:var(--ember);
  border-color:var(--ember);
  text-shadow:0 0 14px rgba(255,138,92,.45);
}

@media(max-width:560px){
  .log-list li{grid-template-columns:1fr;gap:4px;padding-left:26px}
  .log-list .y{grid-row:auto;padding-top:0}
}

/* ---------- Transmissions ---------- */
.tx-list{list-style:none;margin-top:40px;max-width:900px;border-top:1px solid var(--card-brd)}
.tx-list a{
  display:grid;grid-template-columns:1fr auto;align-items:baseline;gap:8px 20px;
  padding:26px 8px;border-bottom:1px solid var(--card-brd);
  color:var(--paper);transition:padding .3s cubic-bezier(.2,.8,.2,1), background .3s;
}
.tx-list a:hover{padding-left:20px;background:rgba(161,157,255,.05)}
.tx-list .name{font-family:var(--font-d);font-weight:600;font-size:clamp(18px,3vw,26px)}
.tx-list .note{font-family:var(--font-m);font-size:12px;color:var(--muted);letter-spacing:.04em;text-align:right}
.tx-list a:hover .note{color:var(--uv)}

/* ---------- Contact ---------- */
.contact{text-align:left;padding-bottom:140px}
.contact h2{max-width:none;font-size:clamp(36px,8vw,96px)}
.contact .lede{margin-bottom:36px}

/* ---------- Footer ---------- */
footer{
  padding:32px var(--gutter) 44px;
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--card-brd);
  font-family:var(--font-m);font-size:12px;color:var(--muted);
  position:relative;z-index:1;background:var(--ink);
}
footer a{color:var(--muted)} footer a:hover{color:var(--uv)}

/* ---------- Reveal on scroll ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none}
  .hero h1 span{opacity:1;transform:none;animation:none}
}