/* ============================================================
   MemroOS refresh — page-specific styles
   Built on growthalchemy.css (tokens, type, reveals, motion).
   Adds: hero stage, live operator floor, figures, operating-loop
   diagram, memory map, use-cases grid, CTA band, footer.
   ============================================================ */

/* ---- floating controls ---- */
.controls {
  position: fixed; right: 18px; bottom: 18px; z-index: 60;
  display: flex; gap: 8px; align-items: center;
  background: color-mix(in srgb, var(--ink-900) 92%, transparent);
  backdrop-filter: blur(10px);
  padding: 8px; border: 1px solid rgba(255,255,255,0.08);
}
.ctl {
  font-family: var(--cond); font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-300); background: transparent;
  border: 0; padding: 7px 11px; cursor: pointer; transition: all .2s var(--ease);
}
.ctl:hover { color: #fff; }
.ctl.on { background: var(--signal); color: #fff; }

/* ---- hero ---- */
.hero { position: relative; overflow: hidden; padding: 64px 0 44px; }
.hero-tex { position: absolute; inset: -10% -5% 0; z-index: 0; pointer-events: none; }
.hero-tex .grid-layer { position: absolute; inset: 0; opacity: 0.6;
  -webkit-mask-image: radial-gradient(120% 80% at 70% 20%, #000 30%, transparent 75%);
          mask-image: radial-gradient(120% 80% at 70% 20%, #000 30%, transparent 75%); }
.hero-tex .kanga {
  position: absolute; right: -40px; top: 30px; width: 460px; height: 460px;
  opacity: 0.05;
}
.hero-tex .kanga svg { width: 100%; height: 100%; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
@media (max-width: 980px){ .hero-inner { grid-template-columns: 1fr; gap: 40px; } }

.hero h1 {
  font-family: var(--serif); font-weight: 600; letter-spacing: -0.018em; line-height: 1.05;
  font-size: clamp(36px, 4.6vw, 58px); color: var(--ink-900); max-width: 15ch;
}
.hero h1 .hl { color: var(--signal); }
.hero .standfirst { margin-top: 24px; }
.hero .byline {
  margin-top: 24px; display: flex; flex-wrap: wrap; align-items: center; gap: 0;
  font-family: var(--cond); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-600);
}
.hero .byline span { padding: 0 16px; border-left: 1px solid var(--ink-300); }
.hero .byline span:first-child { padding-left: 0; border-left: 0; color: var(--ink-900); font-weight: 600; }
.hero .actions { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ---- hero visual stage ---- */
.hero-stage {
  position: relative; min-height: 440px;
  border: 1px solid var(--ink-900); background: #fff;
  box-shadow: 0 30px 60px rgba(15,15,14,0.12);
}
.hero-stage .dir { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .5s var(--ease); }
[data-active-dir="B"] .dir-B { opacity: 1; visibility: visible; position: relative; }
.stage-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border-bottom: 1px solid var(--ink-200); background: var(--ink-50);
}
.stage-bar .t { font-family: var(--cond); font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-900); }
.stage-bar .live { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; color: var(--signal-deep); }

/* ---- product gallery (real screenshots) ---- */
.gallery { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 28px; align-items: start; }
@media (max-width: 920px){ .gallery { grid-template-columns: 1fr; gap: 22px; } }
.gal-tabs { display: flex; flex-direction: column; border-top: 1px solid var(--ink-300); }
.gal-tab { text-align: left; background: transparent; border: 0; border-bottom: 1px solid var(--ink-200); cursor: pointer;
  padding: 18px 16px 18px 18px; position: relative; transition: background .2s var(--ease), padding-left .2s var(--ease); }
.gal-tab::before { content:""; position:absolute; left:0; top:0; bottom:0; width: 3px; background: var(--signal); transform: scaleY(0); transform-origin: top; transition: transform .25s var(--ease); }
.gal-tab:hover { background: #fff; }
.gal-tab.on { background: #fff; padding-left: 22px; }
.gal-tab.on::before { transform: scaleY(1); }
.gal-tab .rt { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: var(--ink-400); }
.gal-tab.on .rt { color: var(--signal-deep); }
.gal-tab h3 { font-family: var(--serif); font-weight: 600; font-size: 21px; color: var(--ink-900); margin-top: 7px; transition: color .2s var(--ease); }
.gal-tab.on h3 { color: var(--signal-deep); }
.gal-tab p { font-family: var(--serif); font-size: 14px; line-height: 1.5; color: var(--ink-600); margin-top: 6px; }

.win { border: 1px solid var(--ink-900); background: #fff; box-shadow: 0 30px 60px rgba(15,15,14,0.14); overflow: hidden; }
.win-bar { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-bottom: 1px solid var(--ink-200); background: var(--ink-50); }
.win-dots { display: flex; gap: 6px; flex: none; }
.win-dots i { width: 10px; height: 10px; border-radius: 999px; background: var(--ink-300); display: block; }
.win-dots i:first-child { background: var(--signal); }
.win-url { flex: 1; font-family: var(--mono); font-size: 11px; color: var(--ink-600); background: #fff; border: 1px solid var(--ink-200); padding: 6px 12px; text-align: center; letter-spacing: 0.02em; }
.win-live { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal-deep); flex: none; }
.win-shot { position: relative; aspect-ratio: 1440 / 1010; overflow: hidden; background: var(--ink-50); }
.win-shot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; opacity: 0; transition: opacity .45s var(--ease); }
.win-shot img.on { opacity: 1; }
.gal-cap { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: baseline; }
.gal-cap p { font-family: var(--serif); font-size: 14px; color: var(--ink-600); max-width: 64ch; }
.gal-cap .mono { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: var(--ink-400); text-transform: uppercase; }

/* ---- 3D knowledge graph ---- */
.graph3d { position: relative; height: 100%; min-height: 420px; overflow: hidden; background: #fff; cursor: grab; touch-action: none; }
.graph3d:active { cursor: grabbing; }
.graph3d canvas { position: absolute; inset: 0; display: block; }
.g3d-hint { position: absolute; right: 16px; top: 13px; font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; color: var(--ink-400); pointer-events: none; }
.g3d-focus { position: absolute; left: 18px; top: 12px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; color: var(--signal-deep); opacity: 0; transition: opacity .2s var(--ease); pointer-events: none; }
.g3d-focus.on { opacity: 1; }
.g3d-cap { position: absolute; left: 20px; bottom: 18px; right: 20px; pointer-events: none; }
.g3d-cap .k { font-family: var(--cond); font-size: 10px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--signal-deep); }
.g3d-cap .h { font-family: var(--serif); font-size: 18px; color: var(--ink-900); margin-top: 5px; max-width: 26ch; line-height: 1.25; }

/* ---- operator floor (live NOC strip) ---- */
.floor { margin-top: 96px; border: 1px solid var(--ink-900); background: #fff; box-shadow: 0 24px 48px rgba(15,15,14,0.10); }
.floor-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--ink-200); background: var(--ink-50); }
.floor-bar .t { font-family: var(--cond); font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-900); }
.floor-bar .live { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; color: var(--signal-deep); }
.floor-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 1px; background: var(--ink-200); }
@media (max-width: 860px){ .floor-grid { grid-template-columns: 1fr; } }
.floor-cell { background: #fff; padding: 20px; }
.floor-cell .ch { display: flex; align-items: baseline; justify-content: space-between; }
.floor-cell .ch .lab { font-family: var(--cond); font-size: 10px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-600); }
.floor-cell .ch .num { font-family: var(--mono); font-size: 11px; color: var(--signal-deep); }
/* meters */
.meter-row { display: grid; grid-template-columns: 92px 1fr 44px; align-items: center; gap: 11px; margin-top: 14px; }
.meter-row .ml { font-family: var(--mono); font-size: 11px; color: var(--ink-600); letter-spacing: 0.02em; }
.meter { height: 8px; background: var(--ink-100); position: relative; overflow: hidden; }
.meter > span { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--signal); transition: width 1.1s var(--ease); }
.meter-row .mv { font-family: var(--mono); font-size: 10.5px; color: var(--ink-500); text-align: right; }
/* event feed */
.feed-head { display:flex; justify-content: space-between; align-items: baseline; padding: 2px 0 6px; }
.feed-head .lab { font-family: var(--cond); font-size: 10px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-600); }
.feed-head .ct { font-family: var(--mono); font-size: 10px; color: var(--ink-400); }
.feed-list { display: flex; flex-direction: column; }
.feed-row {
  display: grid; grid-template-columns: 84px 1fr auto; align-items: center; gap: 10px;
  padding: 9px 0; border-top: 1px solid var(--ink-100);
  animation: feedin .5s var(--ease);
}
@keyframes feedin { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.feed-tag { font-family: var(--mono); font-size: 9.5px; font-weight: 600; letter-spacing: 0.06em; color: var(--ink-900);
  border: 1px solid var(--ink-300); padding: 3px 6px; text-align: center; }
.feed-gate .feed-tag, .feed-act .feed-tag, .feed-mem .feed-tag { color: var(--signal-deep); border-color: var(--signal); background: var(--signal-soft); }
.feed-msg { font-family: var(--serif); font-size: 13px; color: var(--ink-700); }
.feed-ts { font-family: var(--mono); font-size: 10px; color: var(--ink-400); }

/* ---- proof metrics ---- */
.proof-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--ink-300); border: 1px solid var(--ink-300); }
@media (max-width: 760px){ .proof-grid { grid-template-columns: 1fr; } }
.proof-cell { background: var(--ink-50); padding: 30px 26px; position: relative; overflow: hidden; }
.proof-cell .spark-tex { position: absolute; right: 0; bottom: 0; width: 120px; height: 60px; opacity: 0.5; }

/* ---- figures (charts) ---- */
.fig-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 12px; }
@media (max-width: 820px){ .fig-grid { grid-template-columns: 1fr; } }
.figure { border: 1px solid var(--ink-200); background: #fff; padding: 22px; }
.figure .fk { font-family: var(--cond); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-600); }
.figure .ft { font-family: var(--serif); font-size: 15px; color: var(--ink-900); margin-top: 6px; }
.figure svg { width: 100%; height: auto; margin-top: 14px; }
.figure .delta {
  display:inline-flex; align-items:center; gap:6px; margin-top: 12px;
  font-family: var(--mono); font-size: 11px; color: var(--signal-deep);
  background: var(--signal-soft); padding: 4px 8px;
}

/* ---- operating-loop diagram ---- */
.arch { border: 1px solid var(--ink-900); background: #fff; padding: 18px; box-shadow: 0 18px 40px rgba(15,15,14,0.08); }
.arch svg { width: 100%; height: auto; }

/* ---- loop verbs strip ---- */
.verbs { display: grid; grid-template-columns: repeat(5,1fr); gap: 1px; background: var(--ink-300); border: 1px solid var(--ink-300); margin-top: 32px; }
@media (max-width: 860px){ .verbs { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px){ .verbs { grid-template-columns: 1fr; } }
.verb { background: var(--ink-50); padding: 22px 18px; transition: background .25s var(--ease); }
.verb:hover { background: #fff; }
.verb .n { font-family: var(--mono); font-size: 11px; color: var(--signal-deep); letter-spacing: 0.08em; }
.verb h3 { font-family: var(--serif); font-weight: 600; font-size: 21px; color: var(--ink-900); margin-top: 12px; }
.verb p { margin-top: 9px; font-family: var(--serif); font-size: 13.5px; line-height: 1.5; color: var(--ink-700); }

/* ---- memory map ---- */
.memory { margin-top: 0; }
.mem-wrap { display: grid; grid-template-columns: 0.74fr 1.26fr; gap: 40px; align-items: stretch; }
@media (max-width: 980px){ .mem-wrap { grid-template-columns: 1fr; gap: 28px; } }
.mem-left { border-right: 1px solid var(--ink-300); padding-right: 36px; display: flex; flex-direction: column; justify-content: space-between; }
@media (max-width: 980px){ .mem-left { border-right: 0; padding-right: 0; } }
.mem-word { font-family: var(--serif); font-weight: 500; font-size: clamp(48px, 6.5vw, 84px); line-height: 1; letter-spacing: -0.03em; color: var(--ink-900); }
.mem-word .os { color: var(--signal); }
.mem-rule { margin-top: 26px; height: 1px; width: 150px; background: var(--ink-300); position: relative; }
.mem-rule::after { content:""; position:absolute; left:0; top:0; height:1px; width: 50px; background: var(--signal); }
.mem-h { margin-top: 26px; font-family: var(--serif); font-weight: 600; font-size: clamp(28px, 3.4vw, 42px); line-height: 1.06; letter-spacing: -0.012em; color: var(--ink-900); max-width: 14ch; }
.mem-p { margin-top: 16px; font-family: var(--serif); font-size: 16px; line-height: 1.6; color: var(--ink-600); max-width: 46ch; }

.mem-viz { border: 1px solid var(--ink-900); background: #fff; box-shadow: 0 24px 48px rgba(15,15,14,0.12); position: relative; overflow: hidden; }
.mem-viz .mv-head { display:flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--ink-200); background: var(--ink-50); }
.mem-viz .mv-head .t { font-family: var(--cond); font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-900); }
.mem-viz .mv-svg { padding: 8px 8px 0; }
.mem-viz svg { width: 100%; height: auto; }
.mem-layers { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--ink-300); border-top: 1px solid var(--ink-300); }
@media (max-width: 560px){ .mem-layers { grid-template-columns: 1fr 1fr; } }
.mem-layer { background: var(--ink-50); padding: 16px 14px; }
.mem-layer .ll { font-family: var(--cond); font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-900); }
.mem-layer .lm { font-family: var(--cond); font-size: 10px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-400); margin-top: 3px; }
.mem-layer .lc { font-family: var(--serif); font-weight: 600; font-size: 22px; color: var(--ink-900); margin-top: 12px; font-variant-numeric: tabular-nums; }
.mem-layer .ls { display:inline-flex; align-items:center; gap:5px; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.04em; color: var(--signal-deep); margin-top: 4px; }
.mem-foot { display:flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; border-top: 1px solid var(--ink-300); padding: 14px 18px; background:#fff; }
.mem-foot .pill { font-family: var(--cond); font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-600); }

/* ---- use cases by team ---- */
.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--ink-300); border: 1px solid var(--ink-300); }
@media (max-width: 760px){ .cases { grid-template-columns: 1fr; } }
.case { background: var(--ink-50); padding: 28px 26px; transition: background .25s var(--ease); }
.case:hover { background: #fff; }
.case .ch { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--ink-300); padding-bottom: 14px; }
.case .ch h3 { font-family: var(--serif); font-weight: 600; font-size: 25px; color: var(--ink-900); }
.case .ch .tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-400); }
.case dl { margin: 16px 0 0; display: grid; gap: 13px; }
.case .line { display: grid; grid-template-columns: 104px 1fr; gap: 14px; align-items: start; }
.case .line dt { font-family: var(--cond); font-size: 10.5px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--signal-deep); padding-top: 3px; }
.case .line dd { margin: 0; font-family: var(--serif); font-size: 15px; line-height: 1.55; color: var(--ink-700); }

/* ---- CTA band ---- */
.cta-band { margin: 90px 0 40px; border-top: 1px solid var(--ink-900); border-bottom: 1px solid var(--ink-900); padding: 44px 0; position: relative; overflow: hidden; }
.cta-band .grid-tex { position:absolute; inset:0; opacity:.5; pointer-events:none; }
.cta-inner { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; }
@media (max-width: 760px){ .cta-inner { grid-template-columns: 1fr; } }
.cta-inner h2 { font-family: var(--serif); font-weight: 600; font-size: clamp(30px, 4vw, 44px); line-height: 1.1; color: var(--ink-900); max-width: 22ch; }
.cta-inner p { margin-top: 12px; font-family: var(--serif); font-size: 16px; color: var(--ink-600); max-width: 52ch; }

/* ---- footer ---- */
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; }
@media (max-width: 760px){ .foot-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
.foot-grid h4 { font-family: var(--cond); font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-600); margin-bottom: 14px; }
.foot-grid a { display:block; font-family: var(--serif); font-size: 15px; color: var(--ink-800); padding: 5px 0; transition: color .2s, padding-left .2s; }
.foot-grid a:hover { color: var(--signal-deep); padding-left: 4px; }
.foot-brand-row { display: flex; align-items: center; gap: 12px; }
.foot-brand-row img { width: 40px; height: 40px; }
.foot-brand { font-family: var(--serif); font-style: italic; font-weight: 500; font-size: 22px; color: var(--ink-900); }
.foot-base { border-top: 1px solid var(--ink-300); margin-top: 40px; padding-top: 20px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }
.foot-base p { font-family: var(--mono); font-size: 11px; letter-spacing: 0.03em; color: var(--ink-500); }