/* =========================================================================
   Drum Rack Splitter, promo site
   ========================================================================= */

/* ---------- tokens ---------- */
:root{
  --bg:#161616;
  --bg-raise:#1b1b1b;
  --panel:#1f1f1f;
  --panel-2:#242424;
  --surface:#131313;
  --surface-hover:#1e1e1e;
  --line:#2c2c2c;
  --line-soft:#222222;

  --text:#ededed;
  --body:#b2b2b2;
  --dim:#838383;
  --faint:#5d5d5d;

  --accent:#e0a44b;
  --accent-press:#caa258;
  --accent-soft:rgba(224,164,75,.12);
  --accent-glow:rgba(224,164,75,.16);
  --accent-line:#5b4a2b;

  --maxw:1180px;
  --radius:3px;
  --ease:cubic-bezier(.22,.61,.36,1);

  --font-display:"Archivo",-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-body:"Archivo",-apple-system,"Helvetica Neue",Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
h1,h2,h3{margin:0;color:var(--text);font-family:var(--font-display);}
p{margin:0;}
::selection{background:var(--accent);color:#161616;}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px;}

/* ---------- atmosphere ---------- */
.grain{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.04;
  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");
  mix-blend-mode:overlay;
}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:1;}
.wrap--narrow{max-width:880px;}
.section{padding:clamp(72px,11vw,140px) 0;position:relative;z-index:1;}
.section--alt{background:var(--bg-raise);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.24em;
  color:var(--accent);
  margin:0 0 1.4rem;
  display:flex;align-items:center;gap:.7em;
}
.eyebrow__no{color:var(--faint);font-weight:600;}
.section__title{
  font-size:clamp(1.7rem,3.4vw,2.7rem);
  font-weight:700;line-height:1.06;letter-spacing:-.015em;
  font-stretch:112%;
  max-width:18ch;
}
.section__title--center{margin:0 auto 3.4rem;text-align:center;max-width:22ch;}
.amber{color:var(--accent);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-body);font-size:.92rem;font-weight:600;
  letter-spacing:.01em;padding:.72em 1.5em;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;
  transition:background .15s var(--ease),border-color .15s var(--ease),color .15s var(--ease),transform .15s var(--ease);
}
.btn--primary{background:var(--accent);color:#171717;border-color:var(--accent);}
.btn--primary:hover{background:#ecb262;transform:translateY(-1px);}
.btn--primary:active{background:var(--accent-press);transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--body);border-color:#3a3a3a;}
.btn--ghost:hover{color:var(--text);border-color:#565656;background:var(--surface-hover);}

/* ============================ NAV ============================ */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:22px;
  padding:14px clamp(18px,4vw,40px);
  background:rgba(22,22,22,.72);
  backdrop-filter:blur(14px) saturate(1.2);
  -webkit-backdrop-filter:blur(14px) saturate(1.2);
  border-bottom:1px solid var(--line-soft);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.brand__glyph{color:var(--accent);display:inline-flex;}
.brand__name{font-family:var(--font-display);font-weight:700;font-size:1rem;letter-spacing:.01em;font-stretch:105%;}
.nav__links{margin-left:auto;display:flex;gap:26px;}
.nav__links a{font-size:.9rem;color:var(--dim);transition:color .15s;}
.nav__links a:hover{color:var(--text);}
.nav__cta{padding:.55em 1.1em;font-size:.86rem;}

/* ============================ HERO ============================ */
.hero{position:relative;padding:clamp(56px,9vw,110px) 0 clamp(64px,10vw,120px);overflow:hidden;}
.hero__halo{
  position:absolute;top:-12%;right:-6%;width:60vw;height:60vw;max-width:760px;max-height:760px;
  background:radial-gradient(circle at 50% 50%,var(--accent-glow),transparent 62%);
  filter:blur(8px);pointer-events:none;z-index:0;
}
.hero__grid{
  position:relative;z-index:1;
  max-width:var(--maxw);margin:0 auto;padding:0 28px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:clamp(36px,5vw,72px);align-items:center;
}
.hero__copy{max-width:30rem;}
.hero__title{
  font-size:clamp(2.3rem,5.6vw,4.1rem);
  font-weight:800;line-height:.98;letter-spacing:-.022em;
  font-stretch:118%;
  margin:1.2rem 0 0;
}
.hero__sub{margin:1.6rem 0 0;font-size:1.06rem;color:var(--body);max-width:32ch;}
.hero__cta{display:flex;gap:12px;margin:2.1rem 0 0;flex-wrap:wrap;}
.hero__beta{
  margin:1.7rem 0 0;display:flex;align-items:center;gap:.7em;
  font-size:.86rem;color:var(--dim);
}
.pill{
  font-family:var(--font-mono);font-size:.66rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.16em;
  color:var(--accent);background:var(--accent-soft);
  border:1px solid var(--accent-line);border-radius:2px;
  padding:.2em .55em;
}

/* hero demo column */
.hero__demo{position:relative;justify-self:center;width:100%;max-width:540px;}
.ctxmenu{
  position:absolute;z-index:3;top:-26px;left:-14px;
  background:var(--panel-2);border:1px solid var(--line);border-radius:4px;
  padding:5px;box-shadow:0 18px 40px rgba(0,0,0,.55);
  font-size:.78rem;color:var(--body);min-width:188px;
  transform:rotate(-1.2deg);
}
.ctxmenu__row{display:flex;align-items:center;gap:.6em;padding:5px 10px;border-radius:3px;white-space:nowrap;}
.ctxmenu__row--active{background:var(--accent);color:#171717;font-weight:600;}
.ctxmenu--static{position:static;transform:none;box-shadow:none;}

.hero__demo .ctxmenu{opacity:0;transform:translateY(-8px) rotate(-1.2deg);pointer-events:none;transition:opacity .4s var(--ease),transform .4s var(--ease);}

.hero__demo.show-menu .ctxmenu{opacity:1;transform:translateY(0) rotate(-1.2deg);}
.ctxmenu__sub{position:relative;}
.ctxmenu__chev{margin-left:auto;}
.ctxmenu__flyout{position:absolute;left:100%;top:-6px;margin-left:6px;background:var(--panel-2);border:1px solid var(--line);border-radius:4px;padding:5px;box-shadow:0 16px 34px rgba(0,0,0,.5);}

.ctxmenu--step{min-width:0;margin-right:120px;}
.ctxmenu--step .ctxmenu__row{white-space:nowrap;}
.ctxmenu--step .ctxmenu__flyout{width:112px;top:-4px;margin-left:6px;}
.ctxmenu--step .ctxmenu__flyout .ctxmenu__row{white-space:normal;line-height:1.35;align-items:flex-start;}

@media (max-width:760px){
  .hero__demo .ctxmenu__flyout{position:static;margin:4px 0 0;box-shadow:none;}
  .hero__demo .ctxmenu__flyout .ctxmenu__row{white-space:normal;}
}

/* =============== live modal recreation  =============== */
.drs-modal{
  --bg:#1c1c1c;--panel:#262626;--panel-2:#1f1f1f;
  --surface:#161616;--surface-hover:#202020;
  --line:#343434;--line-soft:#282828;
  --text:#cfcfcf;--text-dim:#838383;--text-faint:#5d5d5d;
  position:relative;z-index:2;
  width:100%;height:520px;display:flex;flex-direction:column;
  background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-size:11px;line-height:1.35;letter-spacing:.01em;
  border:1px solid #000;border-radius:5px;overflow:hidden;
  box-shadow:0 30px 70px -18px rgba(0,0,0,.7),0 0 0 1px rgba(224,164,75,.04);
}
.drs-title{padding:9px 14px;background:var(--panel);border-bottom:1px solid var(--line);font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text);}
.drs-title span{color:var(--text-dim);font-weight:400;text-transform:none;letter-spacing:.01em;font-size:11px;}
.drs-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 14px;background:var(--panel-2);border-bottom:1px solid var(--line-soft);}
.drs-btn{background:#2f2f2f;color:var(--text);border:1px solid #434343;border-radius:3px;padding:5px 11px;font:inherit;cursor:pointer;transition:background .12s,border-color .12s;}
.drs-btn:hover{background:#383838;border-color:#545454;}
.drs-btn:active{background:#2a2a2a;}
.drs-subtle{background:transparent;color:var(--text-dim);border-color:#3a3a3a;}
.drs-subtle:hover{background:#2a2a2a;color:var(--text);border-color:#4a4a4a;}
.drs-suggest{border-color:var(--accent);color:var(--accent);box-shadow:0 0 0 1px rgba(224,164,75,.25);}
.drs-suggest:hover{background:rgba(224,164,75,.12);border-color:var(--accent);color:var(--accent);}
.drs-bar-left{display:flex;align-items:center;gap:8px;}
.drs-opts{display:flex;align-items:center;gap:8px 18px;flex-wrap:wrap;padding:8px 14px;background:var(--panel-2);border-bottom:1px solid var(--line-soft);}
.drs-tgl{display:inline-flex;align-items:center;gap:8px;color:var(--text-dim);cursor:pointer;user-select:none;}
.drs-tgl:hover{color:var(--text);}
.drs-tgl input{appearance:none;-webkit-appearance:none;margin:0;width:14px;height:14px;border:1px solid #4a4a4a;border-radius:2px;background:var(--surface);display:inline-grid;place-content:center;cursor:pointer;transition:background .12s,border-color .12s;}
.drs-tgl input:hover{border-color:#5e5e5e;}
.drs-tgl input:disabled{opacity:.3;cursor:not-allowed;}
.drs-hint{color:var(--text-faint);font-style:italic;}
.drs-tgl input:checked{background:var(--accent);border-color:var(--accent);}
.drs-tgl input:checked::after{content:"";width:3px;height:7px;margin-top:-1px;border:solid #1c1c1c;border-width:0 2px 2px 0;transform:rotate(40deg);}
.drs-groups{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:8px 14px;background:var(--panel-2);border-bottom:1px solid var(--line-soft);}
.drs-groups .label{font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-faint);margin-right:2px;}
.drs-chip{display:inline-flex;align-items:center;gap:4px;background:rgba(224,164,75,.13);border:1px solid #5b4a2b;border-radius:3px;padding:1px 3px 1px 7px;}
.drs-chip .pen{color:#b08a4a;font-size:10px;line-height:1;cursor:default;}
.drs-chip .nm{color:var(--accent);font:inherit;padding:1px 0;}
.drs-chip .x{background:none;border:none;color:#9c8451;cursor:pointer;font-size:12px;line-height:1;padding:1px 4px;border-radius:2px;}
.drs-chip .x:hover{color:var(--accent);background:rgba(224,164,75,.18);}
.drs-list{flex:1;overflow-y:auto;}
.drs-list::-webkit-scrollbar{width:11px;}
.drs-list::-webkit-scrollbar-thumb{background:#3a3a3a;border:3px solid var(--bg);border-radius:6px;}
.drs-row{display:flex;align-items:center;gap:10px;padding:5px 14px;border-bottom:1px solid var(--line-soft);transition:background .12s;}
.drs-row:hover{background:var(--surface-hover);}
.drs-row.ignored .drs-note,.drs-row.ignored .drs-nm,.drs-row.ignored .drs-cnt{opacity:.35;}
.drs-row.ignored .drs-nm{text-decoration:line-through;}
.drs-note{font-family:var(--font-mono);font-size:10px;color:var(--text-dim);width:34px;letter-spacing:.02em;}
.drs-nm{flex:1;color:var(--text);}
.drs-cnt{color:var(--text-faint);font-size:10px;width:46px;text-align:right;font-variant-numeric:tabular-nums;}
.drs-sel{
  appearance:none;-webkit-appearance:none;
  background-color:var(--surface);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5' viewBox='0 0 8 5'%3E%3Cpath d='M0 0h8L4 5z' fill='%237e7e7e'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 9px center;background-size:8px 5px;
  border:1px solid var(--line);border-radius:3px;color:var(--text);font:inherit;
  padding:4px 26px 4px 9px;min-width:142px;cursor:pointer;text-align:left;
  transition:background-color .12s,border-color .12s;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.drs-sel:hover{border-color:#4c4c4c;background-color:var(--surface-hover);}
.drs-sel.grp{border-color:#5b4a2b;color:var(--accent);background-color:rgba(224,164,75,.08);}
.drs-sel.ign{color:var(--text-faint);}
.drs-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;background:var(--panel);border-top:1px solid var(--line);}
.drs-summary{color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.drs-actions{display:flex;gap:8px;flex:none;}
.drs-ghost{background:transparent;color:var(--text-dim);border:1px solid #434343;border-radius:3px;padding:6px 14px;font:inherit;cursor:default;}
.drs-primary{background:var(--accent);color:#1a1a1a;border:1px solid var(--accent);border-radius:3px;padding:6px 18px;font:inherit;font-weight:600;cursor:default;}

/* group flash when "Suggest groups" reshuffles */
@keyframes drsFlash{0%{background:var(--accent-soft);}100%{background:transparent;}}
.drs-row.flash{animation:drsFlash .5s var(--ease);}

/* ============================ USE CASE ============================ */
.problem{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,5vw,70px);align-items:center;}
.problem__text .lead{font-size:1.18rem;color:var(--text);margin:1.4rem 0 0;}
.problem__text p+p{margin-top:1.1rem;}

.ba{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;}
.ba__side{min-width:0;}
.ba__tag{font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.18em;color:var(--faint);display:block;margin-bottom:10px;}
.ba__tag--amber{color:var(--accent);}
.ba__arrow{color:var(--accent);align-self:center;justify-self:center;}
.lane,.lane-stack .lane{
  display:flex;align-items:center;gap:10px;
  background:var(--panel);border:1px solid var(--line);border-radius:3px;
  padding:9px 12px;
}
.lane--mono{flex-wrap:wrap;}
.lane__name{font-family:var(--font-display);font-weight:600;color:var(--text);font-size:.86rem;}
.lane__meta{font-family:var(--font-mono);font-size:.66rem;color:var(--faint);margin-left:auto;}
.lane__pads{display:flex;gap:3px;width:100%;margin-top:6px;}
.lane__pads i{width:11px;height:11px;border-radius:2px;background:#2a2a2a;}
.lane__pads i.on{background:var(--accent);opacity:.85;}
.lane__bar{flex:1;height:5px;background:#2a2a2a;border-radius:3px;overflow:hidden;margin-left:auto;max-width:120px;}
.lane__bar i{display:block;height:100%;background:linear-gradient(90deg,#6b6b6b,#9a9a9a);}
.lane--grp .lane__name{color:var(--accent);}
.lane--grp .lane__bar i{background:linear-gradient(90deg,var(--accent-press),var(--accent));}
.lane-stack{display:flex;flex-direction:column;gap:7px;}

/* ============================ FEATURES ============================ */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.card{
  background:var(--panel);border:1px solid var(--line-soft);border-radius:6px;
  padding:22px;transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.card:hover{border-color:#3b3b3b;transform:translateY(-3px);background:#222;}
.card__art{
  height:128px;margin:-4px -4px 18px;border-radius:4px;
  background:var(--surface);border:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.card__title{font-size:1.06rem;font-weight:700;letter-spacing:-.01em;margin-bottom:.5rem;font-stretch:106%;}
.card__body{font-size:.92rem;color:var(--dim);}
.card__body b{color:var(--body);font-weight:600;}

/* art: pad grid (only played) */
.padgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;}
.padgrid i{width:20px;height:20px;border-radius:3px;background:#242424;border:1px solid #2c2c2c;}
.padgrid i.on{background:var(--accent);border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow);}

/* art: mini modal */
.mini-modal{width:150px;background:#1c1c1c;border:1px solid #343434;border-radius:3px;overflow:hidden;}
.mini-modal--lg{width:200px;}
.mini-modal__bar{display:block;height:16px;background:#262626;border-bottom:1px solid #343434;}
.mini-modal__row{display:flex;align-items:center;gap:8px;padding:6px 9px;border-bottom:1px solid #232323;}
.mini-modal__row i{width:14px;height:7px;background:#3a3a3a;border-radius:2px;}
.mini-modal__row b{flex:1;height:8px;background:#2c2c2c;border-radius:2px;}
.mini-modal__row b.grp{background:rgba(224,164,75,.5);}
.mini-modal__foot{display:flex;justify-content:flex-end;padding:7px 9px;background:#262626;}
.mini-modal__foot u{width:34px;height:11px;background:var(--accent);border-radius:2px;}

/* art: chips → grouped */
.chips{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;padding:0 14px;}
.chip-mini{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.04em;color:var(--dim);background:#242424;border:1px solid #303030;border-radius:3px;padding:3px 7px;}
.chip-mini--amber{color:var(--accent);background:var(--accent-soft);border-color:var(--accent-line);}
.chips__arrow{color:var(--faint);flex:none;}

/* art: code (jsonc) */
.code{
  font-family:var(--font-mono);font-size:.66rem;line-height:1.7;margin:0;
  color:var(--body);padding:14px 16px;width:100%;
  white-space:pre;overflow:hidden;
}
.c-punc{color:#6f6f6f;}
.c-key{color:var(--accent);}
.c-str{color:#9aa888;}
.c-com{color:#5d5d5d;font-style:italic;}

/* art: device chain */
.chain{display:flex;align-items:center;gap:7px;padding:0 14px;flex-wrap:wrap;justify-content:center;}
.chain__dev{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.02em;padding:7px 9px;border-radius:3px;border:1px solid #303030;background:#242424;color:var(--body);}
.chain__dev--keep{border-color:var(--accent-line);background:var(--accent-soft);color:var(--accent);}
.chain__dev--cut{color:var(--faint);text-decoration:line-through;opacity:.7;border-style:dashed;}

/* art: progress */
.progress-art{width:78%;display:flex;flex-direction:column;gap:9px;}
.progress-art__bar{height:6px;background:#262626;border-radius:4px;overflow:hidden;}
.progress-art__bar i{display:block;height:100%;background:linear-gradient(90deg,var(--accent-press),var(--accent));border-radius:4px;}
.progress-art__label{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.04em;color:var(--dim);}
.progress-art__undo{display:flex;align-items:center;gap:.5em;font-family:var(--font-mono);font-size:.62rem;color:var(--faint);}

/* ============================ HOW IT WORKS ============================ */
.steps{
  list-style:none;margin:0;padding:0;
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step;
}
.step{
  position:relative;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:6px;padding:26px 24px 28px;
}
.step:not(:last-child)::after{
  content:"";position:absolute;top:50%;right:-15px;width:18px;height:1px;background:var(--line);z-index:1;
}
.step__no{
  font-family:var(--font-mono);font-size:.82rem;font-weight:600;color:var(--accent);
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border:1px solid var(--accent-line);border-radius:50%;
  background:var(--accent-soft);margin-bottom:18px;
}
.step__art{height:104px;display:flex;align-items:center;justify-content:center;margin-bottom:18px;}
.step__title{font-size:1.14rem;font-weight:700;margin-bottom:.4rem;font-stretch:106%;}
.step__body{font-size:.92rem;color:var(--dim);}
.step__body em{color:var(--accent);font-style:normal;}

/* step 1 ctx menu (static) */
.ctxmenu--static{background:var(--panel-2);border:1px solid var(--line);border-radius:4px;padding:5px;font-size:.74rem;box-shadow:0 12px 28px rgba(0,0,0,.4);}

/* step 3 fan-out */
.fanout{position:relative;width:170px;height:88px;}
.fanout__src{
  position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:3px;background:var(--accent-soft);border:1px solid var(--accent-line);
}
.fanout__lane{
  position:absolute;right:0;height:8px;width:104px;border-radius:2px;background:#2c2c2c;
  transform-origin:left center;
}
.fanout__lane:nth-child(2){top:8px;}
.fanout__lane:nth-child(3){top:33px;}
.fanout__lane:nth-child(4){top:58px;}
.fanout__lane:nth-child(5){top:80px;}
.is-visible .fanout__lane{animation:fanLane .6s var(--ease) backwards;}
.is-visible .fanout__lane:nth-child(2){animation-delay:.05s;}
.is-visible .fanout__lane:nth-child(3){animation-delay:.13s;background:var(--accent);}
.is-visible .fanout__lane:nth-child(4){animation-delay:.21s;}
.is-visible .fanout__lane:nth-child(5){animation-delay:.29s;}
@keyframes fanLane{from{transform:scaleX(0);opacity:0;}to{transform:scaleX(1);opacity:1;}}

/* ============================ DEMO ============================ */
.demo{margin:0;}
.window{
  border:1px solid var(--line);border-radius:8px;overflow:hidden;
  background:var(--surface);box-shadow:0 40px 90px -30px rgba(0,0,0,.8);
  max-width:960px;margin:0 auto;
}
.window__bar{display:flex;align-items:center;gap:8px;padding:11px 16px;background:var(--panel);border-bottom:1px solid var(--line);}
.window__dot{width:11px;height:11px;border-radius:50%;background:#3a3a3a;}
.window__title{margin-left:10px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--dim);}
.window__body{position:relative;aspect-ratio:16/9;background:var(--surface);display:grid;place-items:center;}
.demo__media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;background:var(--surface);}
.demo__placeholder{
  position:relative;z-index:1;text-align:center;color:var(--faint);padding:24px;
}
.demo__placeholder svg{color:var(--accent);opacity:.8;margin-bottom:14px;}
.demo__placeholder p{color:var(--body);font-size:1rem;font-weight:600;margin-bottom:4px;}
.demo__placeholder span{font-family:var(--font-mono);font-size:.74rem;}
.demo__placeholder code{color:var(--accent);}
.demo__cap{text-align:center;margin-top:18px;font-size:.86rem;color:var(--dim);}

/* ============================ INSTALL ============================ */
.callout{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-left:3px solid var(--accent);border-radius:4px;
  padding:22px 26px;margin-bottom:34px;
}
.callout__badge{
  display:inline-block;font-family:var(--font-mono);font-size:.66rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.16em;color:var(--accent);margin-bottom:.7rem;
}
.callout p{font-size:.98rem;color:var(--body);}
.callout strong{color:var(--text);font-weight:600;}
code{font-family:var(--font-mono);font-size:.88em;background:var(--surface);border:1px solid var(--line-soft);border-radius:3px;padding:.06em .4em;color:var(--accent);}

.roadmap{
  font-size:.92rem;color:var(--dim);margin:0 0 34px;padding:0 2px;
  line-height:1.7;
}
.roadmap__k{
  display:inline;font-family:var(--font-mono);font-size:.66rem;font-weight:600;
  text-transform:uppercase;letter-spacing:.16em;color:var(--accent);margin-right:.6em;
}
.roadmap__k::after{content:"\00B7";margin-left:.6em;color:var(--faint);}

.install{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:center;}
.install__h{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.16em;color:var(--faint);font-weight:600;margin-bottom:14px;}
.req__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.req__list li{display:flex;flex-direction:column;gap:2px;padding:11px 14px;background:var(--panel);border:1px solid var(--line-soft);border-radius:4px;}
.req__k{color:var(--text);font-weight:600;font-size:.92rem;}
.req__v{font-size:.82rem;color:var(--dim);}
.install__steps{list-style:none;margin:0;padding:22px 0 0 0;counter-reset:n;display:flex;flex-direction:column;gap:14px;}
.install__steps li{display:flex;gap:14px;align-items:flex-start;font-size:.96rem;color:var(--body);}
.install__steps b{color:var(--text);font-weight:600;}
.install__steps em{color:var(--accent);font-style:normal;}
.install__num{
  flex:none;font-family:var(--font-mono);font-size:.78rem;font-weight:600;color:var(--accent);
  width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--accent-line);border-radius:50%;background:var(--accent-soft);margin-top:1px;
}
.install__cta{display:flex;gap:12px;justify-content:center;margin-top:36px;flex-wrap:wrap;}

/* ============================ FOOTER ============================ */
.footer{border-top:1px solid var(--line-soft);padding:56px 0 40px;position:relative;z-index:1;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;align-items:start;}
.brand--footer{margin-bottom:14px;}
.footer__by{font-size:.86rem;color:var(--dim);max-width:30ch;}
.ulink{color:var(--body);border-bottom:1px solid var(--accent-line);transition:color .15s,border-color .15s;}
.ulink:hover{color:var(--accent);border-color:var(--accent);}
.footer__label{display:block;font-family:var(--font-mono);font-size:.66rem;text-transform:uppercase;letter-spacing:.16em;color:var(--faint);margin-bottom:14px;}
.langs{display:flex;flex-wrap:wrap;gap:6px;}
.lang{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.06em;color:var(--dim);background:var(--panel);border:1px solid var(--line);border-radius:3px;padding:4px 8px;}
.footer__note{margin-top:14px;font-size:.82rem;color:var(--dim);max-width:30ch;}
.footer__col{display:flex;flex-direction:column;}
.footer__link{font-size:.9rem;color:var(--dim);padding:3px 0;transition:color .15s;width:max-content;}
.footer__link:hover{color:var(--accent);}
.footer__fine{margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);}
.footer__fine p{font-size:.76rem;color:var(--faint);}

/* ============================ CHANGELOG ============================ */
.log-head{padding-bottom:clamp(40px,6vw,72px);}
.log-head__title{max-width:20ch;}
.log-head__lead{margin-top:1.3rem;max-width:54ch;font-size:1.12rem;color:var(--body);}
.log-head__contact{margin-top:1.1rem;font-size:.95rem;color:var(--dim);}
.log{padding-top:clamp(48px,7vw,90px);}

.release{
  display:grid;grid-template-columns:210px 1fr;gap:clamp(28px,5vw,56px);
  align-items:start;
}
.release+.release{margin-top:clamp(40px,6vw,72px);padding-top:clamp(40px,6vw,72px);border-top:1px solid var(--line);}
.release__meta{display:flex;flex-direction:column;align-items:flex-start;gap:6px;position:sticky;top:84px;}
.release__v{font-family:var(--font-display);font-size:3.1rem;font-weight:800;font-stretch:118%;line-height:.95;letter-spacing:-.02em;color:var(--text);}
.release__date{font-family:var(--font-mono);font-size:.8rem;letter-spacing:.04em;color:var(--dim);}
.release__badge{margin-top:2px;font-family:var(--font-mono);font-size:.64rem;font-weight:600;text-transform:uppercase;letter-spacing:.16em;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:2px;padding:.24em .6em;}
.release__dl{margin-top:16px;}

.release__h{font-family:var(--font-mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.16em;color:var(--faint);font-weight:600;margin-bottom:18px;}
.notes{list-style:none;margin:0;padding:0;}
.notes li{position:relative;padding-left:22px;margin-bottom:13px;color:var(--body);font-size:1rem;line-height:1.62;}
.notes li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:1px;background:var(--accent);}
.notes b{color:var(--text);font-weight:600;}
.notes em{color:var(--accent);font-style:normal;}
.langs--inline{display:inline-flex;gap:4px;vertical-align:middle;margin-left:2px;}
.release__beta{display:flex;align-items:baseline;gap:.7em;flex-wrap:wrap;margin-top:24px;padding-top:20px;border-top:1px solid var(--line-soft);font-size:.9rem;color:var(--dim);}

/* Added / Fixed groups */
.rel-group+.rel-group{margin-top:24px;}
.rel-group__h{font-family:var(--font-mono);font-size:.66rem;font-weight:600;text-transform:uppercase;letter-spacing:.16em;color:var(--accent);margin-bottom:13px;}
.rel-group--chg .rel-group__h{color:var(--body);}
.rel-group--fix .rel-group__h{color:var(--dim);}
.rel-group--fix .notes li::before{background:var(--faint);}


.release__v--past{font-size:2.1rem;color:var(--dim);}
.release__badge--past{color:var(--dim);background:transparent;border-color:var(--line);}

@media (max-width:680px){
  .release{grid-template-columns:1fr;gap:22px;}
  .release__meta{position:static;flex-flow:row wrap;align-items:center;gap:10px 14px;}
  .release__dl{margin-top:0;width:100%;}
}

/* ============================ reveal ============================ */
[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:none;}
/* level / progress bars fill as their section reveals — CSS-driven, so they never
   sit empty if an animation engine stalls */
[data-reveal] .lane__bar i,[data-reveal] .progress-art__bar i{transform:scaleX(0);transform-origin:left center;transition:transform .9s var(--ease) .12s;}
[data-reveal].is-visible .lane__bar i,[data-reveal].is-visible .progress-art__bar i{transform:scaleX(1);}

/* ============================ responsive ============================ */
@media (max-width:920px){
  .hero__grid{grid-template-columns:minmax(0,1fr);gap:48px;}
  .hero__copy{max-width:none;min-width:0;}
  .hero__demo{min-width:0;}
  .hero__sub{max-width:46ch;}
  .hero__demo{max-width:480px;margin:0 auto;}
  .problem{grid-template-columns:1fr;}
  .cards{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step:not(:last-child)::after{display:none;}
  .install{grid-template-columns:1fr;gap:26px;}
  .footer__grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:620px){
  body{font-size:15px;}
  .nav__links{display:none;}
  .nav{gap:12px;}
  .cards{grid-template-columns:1fr;}
  .ba{grid-template-columns:1fr;gap:14px;}
  .ba__arrow{transform:rotate(90deg);justify-self:start;margin:2px 0;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .drs-modal{height:460px;}

  .drs-bar{flex-wrap:wrap;gap:8px 10px;}
  .drs-row{padding:5px 10px;gap:8px;}
  .drs-note{width:30px;}
  .drs-cnt{width:34px;}
  .drs-sel{min-width:96px;}
  .ctxmenu{top:-20px;left:0;min-width:170px;max-width:calc(100vw - 28px);}
}

/* ============================ reduced motion ============================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;}
  [data-reveal]{opacity:1;transform:none;}
}