/* SINERGIA/LAB — REV.02 system
   Layout: technical spec sheet on a 12-col grid; full-bleed renders between editorial blocks;
   hairline rules, index codes in the left rail; the slanted bar carries department colour. */
:root{
  --paper:#ECECE8; --paper-hi:#F6F6F3; --paper-lo:#E1E1DC;
  --ink:#0C0C0B; --ink-2:#1A1A18; --steel:#66665F; --rule:#C3C3BD; --rule-ink:#2E2E2B; --mute-ink:#9A9A94;
  --bar:#0C0C0B;
  --f-sans:"DM Sans",ui-sans-serif,system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  --f-mono:"DM Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --gut:clamp(16px,3.4vw,72px);
  --max:min(100%,2200px);
  --t-hero:clamp(2.6rem,7.4vw,9.5rem);
  --t-h2:clamp(2.1rem,5.6vw,7rem);
  --t-h3:clamp(1.35rem,2vw,2.2rem);
  --t-lead:clamp(1.06rem,1.25vw,1.5rem);
  --sp-sec:clamp(72px,11vw,200px);
  color-scheme:light;
}
html{font-size:16px;scroll-behavior:smooth;scroll-padding-top:64px;-webkit-text-size-adjust:100%}
@media (min-width:1800px){html{font-size:18px}}
@media (min-width:2400px){html{font-size:21px}}
@media (min-width:3200px){html{font-size:25px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-sans);font-size:1rem;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
::selection{background:var(--ink);color:var(--paper)}
a{color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.ink :focus-visible,.dark :focus-visible{outline-color:var(--paper)}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.mono{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;line-height:1.45;font-weight:400}
.dim{color:var(--steel)} .ink .dim,.dark .dim{color:var(--mute-ink)}
.q::before{content:"\201C"}.q::after{content:"\201D"}
.tnum{font-variant-numeric:tabular-nums}
.ink{background:var(--ink);color:var(--paper)}
.logo{display:block;width:100%;height:auto;fill:currentColor}
.slbar{fill:var(--bar,currentColor);transition:fill .45s}
.skew{display:inline-block;width:.55em;height:.95em;background:var(--bar,var(--ink));transform:skewX(-20deg);vertical-align:-.12em;margin-right:.45em}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid currentColor;padding:4px 9px}
.chip.solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.ink .chip.solid{background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn{font:inherit;font-family:var(--f-mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;background:var(--ink);color:var(--paper);border:1px solid var(--ink);padding:1em 1.4em;cursor:pointer;display:inline-flex;gap:1.2em;align-items:center;text-decoration:none;transition:background .2s,color .2s}
.btn:hover{background:transparent;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)} .btn.ghost:hover{background:var(--ink);color:var(--paper)}
.ink .btn{background:var(--paper);color:var(--ink);border-color:var(--paper)} .ink .btn:hover{background:transparent;color:var(--paper)}

/* top bar */
.bar{position:fixed;top:0;left:0;right:0;z-index:60;padding-top:env(safe-area-inset-top,0px);background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--ink);transform:translateY(-101%);transition:transform .45s cubic-bezier(.2,.7,.1,1)}
.bar.show{transform:none}
.bar .wrap{display:flex;align-items:center;gap:2rem;height:56px}
.bar .mark{width:clamp(130px,11vw,220px);flex:none}
.bar nav{display:flex;gap:clamp(14px,1.4vw,30px);margin-left:auto}
.bar nav a{text-decoration:none;position:relative;padding-block:4px}
.bar nav a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--bar,var(--ink));transition:right .25s}
.bar nav a:hover::after,.bar nav a[aria-current="true"]::after{right:0}
.bar .meta{flex:none;padding-left:1.4rem;border-left:1px solid var(--rule)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--ink);padding:8px 12px;cursor:pointer;color:var(--ink)}
@media (max-width:1320px){.bar .meta{display:none}}
@media (max-width:1080px){
  .menu-btn{display:block}
  .bar nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--ink);margin:0;max-height:calc(100svh - 56px);overflow:auto}
  .bar nav.open{display:flex}
  .bar nav a{padding:16px var(--gut);border-top:1px solid var(--rule)}
}

/* section scaffolding */
.sec{padding-block:var(--sp-sec);border-bottom:1px solid var(--ink);position:relative}
.sec.ink{border-bottom-color:var(--rule-ink)}
.head{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;margin-bottom:clamp(36px,5vw,96px)}
.head .code{grid-column:1/span 3;display:flex;flex-direction:column;gap:6px}
.head .code b{font-family:var(--f-mono);font-weight:500;font-size:.8rem;letter-spacing:.06em}
.head .title{grid-column:4/-1;min-width:0}
.head h2{font-size:var(--t-h2);line-height:.92;letter-spacing:-.045em;font-weight:700;margin:0;text-transform:uppercase;text-wrap:balance}
.head p{max-width:60ch;font-size:var(--t-lead);margin:1.3em 0 0;text-wrap:pretty}
@media (max-width:820px){.head .code,.head .title{grid-column:1/-1}}
.lead{font-size:var(--t-lead);max-width:62ch}
.plan-wrap>*,.rq>*,.cases>*,.cores>*{min-width:0}

/* full-bleed figure */
.bleed{position:relative;width:100%;overflow:hidden;background:var(--ink)}
.bleed img{width:100%;height:100%;object-fit:cover}
.cap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--rule)}
.ink .cap{border-color:var(--rule-ink)}

/* reveal (content is visible at rest; motion only enhances) */
.rv{transition:transform .9s cubic-bezier(.2,.7,.1,1),opacity .9s}
.js .rv.pre{transform:translateY(24px);opacity:.001}

/* tables */
.tbl-wrap{overflow-x:auto;border-top:1px solid var(--ink)}
table.tbl{width:100%;border-collapse:collapse;font-size:.92rem;font-variant-numeric:tabular-nums}
.tbl th{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.07em;text-transform:uppercase;font-weight:400;text-align:left;padding:12px 14px 12px 0;border-bottom:1px solid var(--ink);color:var(--steel);white-space:nowrap}
.tbl td{padding:12px 14px 12px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.ink .tbl th{border-color:var(--paper);color:var(--mute-ink)} .ink .tbl td{border-color:var(--rule-ink)}
.tbl .r{text-align:right} .tbl tr.tot td{font-weight:700;border-bottom:2px solid currentColor}
.tbl td.nw{white-space:nowrap}

/* stat */
.stat{display:flex;flex-direction:column;gap:6px;min-width:0}
.stat .n{font-size:clamp(2.4rem,5vw,6.2rem);font-weight:700;letter-spacing:-.05em;line-height:.9;font-variant-numeric:tabular-nums}
.stat .u{font-size:clamp(.95rem,1.1vw,1.25rem);font-weight:500}

/* footer */
.foot{padding-block:clamp(56px,7vw,120px) 28px}
.foot .logo{margin-block:28px 22px}
.foot-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding-top:16px;border-top:1px solid var(--rule-ink)}
.foot-row>*:last-child{text-align:right}
@media (max-width:760px){.foot-row{grid-template-columns:1fr 1fr}.foot-row>*:nth-child(even){text-align:right}}
.hatch{height:14px;background:repeating-linear-gradient(-45deg,currentColor 0 2px,transparent 2px 9px);opacity:.85}

/* lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(8,8,7,.96);color:var(--paper);display:grid;grid-template-rows:auto 1fr auto;padding:max(env(safe-area-inset-top,0px),12px) var(--gut) max(env(safe-area-inset-bottom,0px),14px)}
.lb[hidden]{display:none}
.lb-top,.lb-bot{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:10px}
.lb-stage{position:relative;min-height:0;display:grid;place-items:center}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;user-select:none}
.lb button{font:inherit;font-family:var(--f-mono);font-size:.74rem;letter-spacing:.07em;text-transform:uppercase;background:none;color:var(--paper);border:1px solid var(--rule-ink);padding:10px 14px;cursor:pointer}
.lb button:hover{border-color:var(--paper)}
.lb .nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;padding:0;font-size:1.2rem;background:rgba(12,12,11,.6)}
.lb .prev{left:0}.lb .next{right:0}