/* ================= r8 (REQ-0070) · legibility floors and composition. Appended last; frozen parts (hero look, buttons,
   transitions, palette, fonts) are not restyled here beyond the type floor. =================
   Floors: body >= 17px desktop / 16px phone, lh 1.55-1.65, >= 8:1; secondary >= 15px, >= 7:1; mono labels >= 12px,
   tracking <= .14em, >= 7:1; nothing visible under 12px. --mute #c2cad6 is 12.2:1 on #05070b, --dim #a4aebe 8.9:1. */
:root{--mute:#c2cad6;--dim:#a4aebe}
body{font-size:17px;line-height:1.6}
@media (max-width:820px){body{font-size:16px}}
/* mono: one label voice, 12px, .12-.14em */
.label,.chap-label .n,.chap-label .t,.node .k,.steps .get b,.prob-foot p b,.illus,.stn .k,.stn .dr,.rec dt,.tl .hd .k,.tl dt,
.loop-steps .k,.q-row .who span,.rail a span,.proof .pk,.foot-brand span,.foot .c,.fut-cap{font-size:12px;letter-spacing:.14em}
.chap-label .t{letter-spacing:.14em}
.tag,#how .tag{font-size:12px;letter-spacing:.12em;padding:6px 10px 5px}
.hero-meta{font-size:12px;letter-spacing:.14em}
.hero .eyebrow span{font-size:12px;letter-spacing:.14em}
.cue span{font-size:12px;letter-spacing:.14em}
.top nav a{font-size:14px;letter-spacing:.02em}
.stn .k{color:var(--mute)}
/* ---- 02 problem: three display lines, two short support lines, full ink at rest ---- */
.prob-track{height:190vh}
.what-track{height:230vh}
.prob-text{font-size:clamp(36px,5vw,86px);line-height:1.1;max-width:1120px}
.prob-foot{margin-top:clamp(40px,6vh,64px);gap:clamp(40px,6vw,96px)}
.prob-foot p{max-width:420px;font-size:18px;line-height:1.55;color:#d3d9e2}
.prob-foot p b{margin-bottom:10px;color:var(--gold)}
/* ---- who it's for: one person at scale, many lines converging on one point, the roles as a row ---- */
.who{padding-top:clamp(90px,13vh,150px);padding-bottom:clamp(70px,10vh,120px)}
.who-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,4vw,72px);align-items:center}
.who-line{font-size:clamp(34px,4.3vw,72px);line-height:1.08;max-width:none}
.who-line em{white-space:nowrap}
.who-note{margin:28px 0 0;max-width:600px;font-size:19px;line-height:1.6;color:var(--mute)}
.who-cue svg{display:block;width:100%;height:auto;max-height:420px}
.who-roles{list-style:none;margin:clamp(44px,7vh,80px) 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--rule2)}
.who-roles li{padding:22px 24px 0 0;display:flex;flex-direction:column;gap:8px;position:relative}
.who-roles li::before{content:"";position:absolute;left:0;top:-4px;width:7px;height:7px;border-radius:50%;background:var(--bg);border:1px solid var(--cyan)}
.who-roles li:first-child::before{border-color:var(--gold);box-shadow:0 0 10px rgba(230,192,123,.5)}
.who-roles b{font:400 clamp(22px,1.9vw,30px)/1.1 var(--serif);color:var(--ink);letter-spacing:-.01em}
.who-roles li:first-child b{color:var(--gold-hi)}
.who-roles span{font:500 12px/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
/* ---- 04 what it is: the positive line lands early; what it keeps fills the lower third ---- */
.nots li{font-size:clamp(34px,4.4vw,76px)}
.nots li.x{color:rgba(219,228,242,.46)}
.resolve{margin-top:clamp(22px,3.6vh,40px);gap:clamp(14px,2vh,22px)}
.resolve h2{font-size:clamp(40px,5vw,88px);line-height:1.02}
.resolve .res-body{opacity:0;max-width:1180px}
.resolve p{opacity:1;transform:none;max-width:none;font-size:20px;line-height:1.5;color:#d3d9e2;margin:0}
.resolve .res-lead{font-size:clamp(18px,1.4vw,21px)}
.keeps{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0 clamp(20px,3vw,48px);border-top:1px solid var(--rule2)}
.keeps li{padding-top:14px;font:400 clamp(22px,1.9vw,30px)/1.15 var(--serif);color:var(--ink);display:flex;align-items:baseline;gap:14px}
.keeps li span{font:500 12px/1 var(--mono);letter-spacing:.12em;color:var(--gold)}
.resolve .rn{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-top:20px;font-size:16px;color:var(--mute)}
.resolve .rn .tag:last-of-type{margin-left:14px}
.rm .resolve .res-body{opacity:1}
/* ---- 05 how (desktop): one path on the right. Case above the horizon, the step below it. ---- */
@media (min-width:821px){
  .stage-head,.rec{left:61vw;width:min(500px,calc(39vw - var(--pad)))}
  .stage-head h2{font-size:clamp(32px,2.9vw,46px)}
  .stage-head p{font-size:16px;line-height:1.5;color:var(--mute);max-width:none}
  .rec-head{bottom:calc(100% - var(--hy) + 20px)}
  .rec-head .label{display:block;margin:0 0 10px;color:var(--gold)}
  .rec-head .q{font-size:clamp(22px,1.75vw,27px);line-height:1.2;margin:0 0 14px}
  .rec-head .opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0}
  .opt{position:relative;margin:0;padding:10px 12px 11px;border:1px solid rgba(219,228,242,.2);font:400 15px/1.4 var(--sans);color:var(--mute);transition:border-color .4s var(--ease),color .4s var(--ease),background-color .4s var(--ease)}
  .opt b{display:flex;justify-content:space-between;gap:8px;font:500 12px/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--plat);margin-bottom:5px}
  .opt.live{border-color:rgba(219,228,242,.38);color:#dde3ec}
  .opt.yes{border-color:rgba(230,192,123,.75);background:rgba(230,192,123,.07);color:var(--ink)}
  .opt.yes b{color:var(--gold)}
  .opt.yes b::after{content:"Chosen";color:var(--gold)}
  .opt.no{border-style:dashed;border-color:rgba(219,228,242,.22);color:var(--dim)}
  .opt.no b::after{content:"Not chosen";color:var(--dim)}
  .rec-body{top:calc(var(--hy) + 22px)}
  .rec-state{display:block;min-height:0}
  .rec-meta{margin:0 0 6px;font:500 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute);display:flex;align-items:center;gap:12px}
  .rec-meta .tag{padding:4px 8px 3px}
  .rec-t{margin:0;font:400 clamp(24px,2vw,30px)/1.1 var(--serif);letter-spacing:-.015em;color:#fff}
  .rec-t.gold{color:var(--gold-hi)}
  .rec-h{margin:6px 0 12px;font:400 17px/1.5 var(--sans);color:#d3d9e2}
  .rec dl{grid-template-columns:104px 1fr}
  .rec dt{padding:8px 0;font-size:12px;line-height:1.55;letter-spacing:.12em;color:var(--dim)}
  .rec dd{padding:7px 0;font-size:15px;line-height:1.45;color:var(--plat)}
  .rec dd .u{color:var(--mute)}
}
@media (min-width:821px) and (max-height:860px){.rec-h{margin-bottom:8px}.rec dd{padding:5px 0}.rec dt{padding:6px 0}.rec-head .q{margin-bottom:10px}}
@media (min-width:821px) and (max-width:1100px){.stage-head,.rec{left:auto;right:var(--pad);width:min(380px,36vw)}}
/* ---- 06 architecture: readable columns, the ledger above the fold ---- */
.arch h2{font-size:clamp(54px,6.6vw,116px)}
.arch .lead{max-width:780px;margin-top:22px;font-size:18px;line-height:1.55}
.flow{margin-top:clamp(36px,5vh,56px)}
.node .k{margin-bottom:12px;color:var(--mute)}
.node h3{font-size:clamp(21px,1.7vw,27px);margin-bottom:10px}
.node p{font-size:16px;line-height:1.55;color:var(--mute);margin-bottom:18px}
.node ul{font:400 16px/1.55 var(--sans);letter-spacing:0;color:var(--mute);margin-bottom:18px}
.node ul li{display:inline;border:0;padding:0}
.node ul li:not(:last-child)::after{content:" · ";color:var(--dim)}
.ledger{margin-top:clamp(30px,4.4vh,44px);padding-top:18px}
.ledger p{font-size:17px}
.legend{margin-top:22px;font-size:15px;color:var(--mute)}
/* ---- 07 enterprise: column headers, larger rows, legible sources ---- */
.ent-cols{margin-top:clamp(48px,7vh,80px);display:grid;grid-template-columns:minmax(120px,.55fr) 2fr 1.55fr;gap:clamp(20px,3vw,56px);padding-bottom:12px;font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.ent-list{margin-top:0}
.q-row .who{font-size:13px;letter-spacing:.14em}
.q-row .who span{color:var(--mute)}
.q-row .ans p{font-size:17px;line-height:1.55;color:#d3d9e2}
.spec{font-size:16px}
.spec div{padding:9px 0}
.spec div span:last-child{font-size:15px;color:var(--mute)}
.spec .u{font-size:16px}
.illus{color:var(--mute)}
/* ---- 08 principles ---- */
.pr p{font-size:17px;line-height:1.55}
.proof p{font-size:clamp(17px,1.35vw,20px)}
/* ---- 09 direction (desktop): the arc field fills the band behind the headline; horizon low, hot point in the right third ---- */
.future .sub{font-size:19px;line-height:1.55;color:#d3d9e2}
.fut-cols .fk{display:block;margin-bottom:12px;font:500 12px/1 var(--mono);letter-spacing:.14em;color:var(--ice)}
.fut-cols p,.future .fut-cols p{font-size:17px;line-height:1.55;color:#d3d9e2}
@media (min-width:821px){
  .future .fut-band{display:flex;flex-direction:column;min-height:max(100vh,760px);min-height:max(100svh,760px);padding-bottom:clamp(40px,6vh,64px)}
  .future .pclip{position:absolute;inset:0;height:auto;margin:0;z-index:0}
  .vec .future .plate{-webkit-mask-image:linear-gradient(180deg,transparent 0,#000 16%,#000 100%),linear-gradient(90deg,transparent 0,#000 16%,#000 97%,transparent 100%);-webkit-mask-composite:source-in;mask-image:linear-gradient(180deg,transparent 0,#000 16%,#000 100%),linear-gradient(90deg,transparent 0,#000 16%,#000 97%,transparent 100%);mask-composite:intersect}
  .future .top-row{position:relative;z-index:2}
  .future .fut-cols{margin:auto var(--pad) 0;padding-top:26px}
}
/* ---- 10-13 today, engagement, after, briefing ---- */
.today-grid h3{font-size:clamp(26px,2.2vw,34px)}
.today-grid li{font-size:17px;line-height:1.55}
.today-grid .dir li{color:#d3d9e2}
.honest small{font-size:17px}
.steps p{font-size:17px;line-height:1.55}
.steps .get{font-size:17px}
.steps .get b{color:var(--gold)}
.loop-steps .k{font:300 clamp(34px,2.9vw,48px)/1 var(--serif);letter-spacing:-.02em;color:var(--plat);font-variant-numeric:lining-nums}
.loop-steps .gate .k{color:var(--gold)}
.loop-steps h3{margin-top:14px}
.loop-steps p{font-size:17px;line-height:1.55}
.loop-dir{font-size:17px;color:#d3d9e2}
.bsec{min-height:100vh;min-height:100svh;padding:clamp(120px,16vh,170px) var(--pad) clamp(100px,14vh,150px)}
.bsec h2{margin:30px 0 0}
.b-hz{position:relative;width:min(760px,78vw);height:1px;margin:clamp(34px,5vh,52px) auto clamp(30px,4.4vh,44px);background:linear-gradient(90deg,rgba(230,192,123,0),rgba(230,192,123,.55) 30%,#fff6dc 50%,rgba(143,232,255,.6) 70%,rgba(70,200,255,0))}
.b-hz i{position:absolute;left:50%;top:50%;width:120px;height:9px;margin:-4.5px 0 0 -60px;border-radius:50%;background:radial-gradient(closest-side,rgba(255,250,236,.95),rgba(246,220,164,.35) 45%,rgba(246,220,164,0))}
.bsec p{font-size:clamp(18px,1.4vw,21px);line-height:1.55;max-width:600px;color:#d8dee7}
.bsec .note{font-size:15px;color:var(--mute)}
.foot .r{font-size:15px}
.foot .r a{color:var(--plat)}
/* ---- concierge: the same 12px floor (behaviour untouched) ---- */
.cg-steps li,.cg-fl,.cg-kept,.cg-loop li i,.cg-mode,.cg-stepm,.cg-close kbd,.cg-hist p span,.cg-row dt,.cg-clar li span,.cg-rsum dt,.cg-win em,.pv,.cg-ev span,.cg-name,.cg-eye,.cg-uh h2,.cg-lang button,.cg-sig,.cg-help kbd{font-size:12px;letter-spacing:.12em}
.cg-hint,.cg-help,.cf{font-size:13.5px}
.cg-row{grid-template-columns:128px 1fr}
@media (max-width:820px){.cg-row{grid-template-columns:118px 1fr}.cg-stepm{font-size:12px;letter-spacing:.1em}}
/* ---- phone ---- */
@media (max-width:820px){
  .prob-text{font-size:clamp(34px,9.6vw,44px)}
  .prob-foot p{font-size:17px}
  .who-grid{grid-template-columns:1fr;gap:18px}
  .who-line{font-size:clamp(32px,9vw,40px)}
  .who-note{font-size:17px;margin-top:18px}
  .who-cue{order:-1;margin:-8px 0 0}
  .who-cue svg{max-height:170px}
  .who-roles{grid-template-columns:1fr 1fr;row-gap:28px;margin-top:30px}
  .who-roles b{font-size:22px}
  .nots li{font-size:clamp(34px,10vw,44px)}
  .resolve h2{font-size:clamp(34px,9.6vw,44px)}
  .resolve p,.resolve .res-lead{font-size:17px}
  .keeps{grid-template-columns:1fr;margin-top:10px}
  .keeps li{font-size:20px;padding:9px 0;border-bottom:1px solid var(--rule)}
  .resolve .rn{font-size:15px;margin-top:14px}
  .resolve .rn .tag:last-of-type{margin-left:0}
  .arch .lead{font-size:17px}
  .ent-cols{display:none}
  .hero .def{font-size:16px}
  .tl dd{font-size:15px}
  .tl-q .tl-opts{font-size:16px}
  .fut-cols p{font-size:16px}
  .bsec{min-height:0}
  .foot .c{font-size:12px}
}
/* the mobile decision sequence: the same floors (labels 12px, rows 15px) */
.mds-cl .n,.mds-cl .t,.mds-lb,.mds-n,.mds-s,.mds-tag,.mds dt,.mds-opt .st,.mds-li .k{font-size:12px;letter-spacing:.12em}
.mds dd{font-size:15px}
.mds-opt{font-size:15px}
.mds-intro p{font-size:16px}
.mds{--m-mute:var(--mute);--m-dim:var(--dim)}
.rm .who-cue{opacity:1}
/* r8 fix: row labels over the brighter field keep 7:1 */
.mds dt,.tl dt,.rec dt,.mds-li .k,.tl .hd .k{color:var(--mute)}
/* r8 fix round 2: the Direction note reads as one row; the close sits closer to the loop so no dead band between them */
.loop-dir{max-width:1100px;flex-wrap:nowrap;align-items:center;gap:18px;padding:18px 0 0;border-top:1px solid var(--rule)}
.loop-dir span:last-child{flex:1 1 auto;min-width:0}
.after{padding-bottom:clamp(20px,3vh,40px)}
.bsec{min-height:88vh;min-height:88svh;padding-top:clamp(90px,12vh,130px)}
@media (max-width:820px){.loop-dir{flex-wrap:wrap;align-items:flex-start}}
/* r8 steer: principles starts in the upper third (no empty quarter above the label) */
.prin{padding-top:clamp(48px,7vh,80px)}
.prin .chap-label{margin-bottom:28px}