/* rheoflow.co, shared by index.html and about.html.
   Visual reference (studied, not copied): Refero "Dayos", brutalist editorial on warm gray.
   Single committed look: warm gray canvas, white and black cards, no shadows, no gradients.
   Contrast: #979797 is decoration only (waveform, dividers). Readable secondary text is #444. */

/* Display face is self-hosted and preloaded so the hero doesn't jump when fonts arrive.
   Barlow Condensed, SIL OFL 1.1 (fonts/OFL.txt). Inter and JetBrains Mono come from Google Fonts. */
@font-face{font-family:"Barlow Condensed";font-style:normal;font-weight:700;font-display:swap;
  src:url(fonts/barlow-condensed-700-latin.woff2) format("woff2")}

:root{
  --canvas:#e5e5e5;
  --card:#ffffff;
  --ink:#000000;
  --label:#444444;
  --smoke:#979797;
  --mist:#f3f3f3;
  --mint:#d1ffca;
  --volt:#fff100;
  --on-dark:#ffffff;
  --on-dark-2:#c9c9c9;

  --display:"Barlow Condensed","Arial Narrow","Roboto Condensed",Impact,sans-serif;
  --body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;

  --s1:8px;--s2:16px;--s3:24px;--s4:32px;--s5:40px;--s8:64px;--s10:80px;
  --d1:clamp(44px,8vw,100px);--d2:clamp(40px,5.2vw,72px);--d3:clamp(32px,3.6vw,48px);
  --r-card:28px;--r-inner:16px;--r-btn:8px;--r-pill:64px;
  color-scheme:light;
}

*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--canvas);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;
  padding-inline:max(16px,env(safe-area-inset-left)) max(16px,env(safe-area-inset-right))}
a{color:inherit}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.wrap{max-width:1200px;margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip:focus{position:fixed;left:16px;top:16px;width:auto;height:auto;clip-path:none;background:var(--ink);color:var(--on-dark);padding:12px 16px;border-radius:var(--r-btn);z-index:20;text-decoration:none}

/* type: two label sizes only (12px tag, 14px heading label) */
h1,h2{font-family:var(--display);font-weight:700;text-transform:uppercase;line-height:.9;letter-spacing:-.005em;text-wrap:balance}
h1{font-size:var(--d1)}
@media (max-width:359px){h1{font-size:40px}}
h2{font-size:var(--d2)}
h3{text-wrap:balance;font-family:var(--body);font-size:21px;line-height:1.25;font-weight:600;letter-spacing:-.01em}
.label{font-family:var(--mono);font-size:12px;line-height:1.5;letter-spacing:.08em;text-transform:uppercase;color:var(--label)}
.label-lg{font-family:var(--mono);font-size:14px;line-height:1.4;letter-spacing:.06em;text-transform:uppercase;font-weight:500}
.lead{font-size:clamp(18px,1.6vw,21px);line-height:1.45;max-width:58ch}
.fine{font-size:15px;line-height:1.5;color:var(--label)}
.fine b{color:var(--ink)}
.tone{color:var(--label)}
.lead,.intro,.fine,.foot .line,.bio{text-wrap:pretty}
p+p{margin-top:var(--s2)}

/* buttons and links */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:16px 24px;border-radius:var(--r-btn);background:var(--ink);color:var(--on-dark);font-weight:600;font-size:17px;line-height:1.2;text-decoration:none;text-align:center;text-wrap:balance}
.btn:hover{background:#2f2f2f}
.btn.on-dark{background:var(--card);color:var(--ink)}
.btn.on-dark:hover{background:var(--mint)}
.card.dark :focus-visible{outline-color:var(--on-dark)}
.link{background:var(--mint);padding:2px 6px;border-radius:4px;text-decoration:none;font-weight:600}
.link:hover{text-decoration:underline}
.tag{display:inline-block;background:var(--mint);color:var(--ink);font-family:var(--mono);font-size:12px;line-height:1;padding:6px 10px;border-radius:var(--r-pill);letter-spacing:.04em;white-space:nowrap}
.hl{background:var(--volt);padding:0 4px;-webkit-box-decoration-break:clone;box-decoration-break:clone;white-space:nowrap}
:where(ul[role="list"],ol[role="list"]){list-style:none;padding:0}
.nw{white-space:nowrap}

/* surfaces */
.card{background:var(--card);border-radius:var(--r-card);padding:var(--s3)}
.card.dark{background:var(--ink);color:var(--on-dark)}
.card.dark .label,.card.dark .fine{color:var(--on-dark-2)}
@media (min-width:760px){.card{padding:var(--s4)}}

/* nav: floating white pill */
.top{padding-block:var(--s2)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:var(--s2);background:var(--card);border-radius:48px;padding:8px 8px 8px 24px}
.brand{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:26px;line-height:1;letter-spacing:.01em;text-decoration:none;padding-block:10px}
.nav-links{display:none;align-items:center;gap:var(--s3);font-size:15px}
.nav-links a{text-decoration:none;color:var(--label);padding-block:12px}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.nav .btn{min-height:44px;padding:12px 18px;font-size:15px}
.nav-cta{display:none}

details.menu{position:relative}
details.menu>summary{-webkit-tap-highlight-color:transparent;list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:var(--r-pill);background:var(--ink);color:var(--on-dark);font-weight:600;font-size:15px}
details.menu>summary::-webkit-details-marker{display:none}
details.menu>summary::after{content:"";width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg)}
details.menu[open]>summary::after{transform:translateY(2px) rotate(-135deg)}
.menu-panel{position:absolute;right:0;top:calc(100% + 12px);background:var(--card);border-radius:20px;padding:var(--s1);min-width:240px;display:grid;gap:2px;z-index:10;border:1.5px solid var(--ink)}
.menu-panel a{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;text-decoration:none;font-size:16px}
.menu-panel a:hover,.menu-panel a[aria-current]{background:var(--mist)}
.menu-panel{min-width:272px}
.menu-panel .menu-cta{background:var(--ink);color:var(--on-dark);font-weight:600;margin-top:4px;white-space:nowrap}
.menu-panel .menu-cta:hover{background:#2f2f2f}
@media (min-width:900px){
  .nav-links,.nav-cta{display:flex}
  details.menu{display:none}
}

/* sections */
/* neighbours add up: 40 + 40 = the planned ~80px between sections */
section{padding-block:var(--s5)}
@media (max-width:759px){section{padding-block:28px}}
.sec-head{display:grid;gap:var(--s2);margin-bottom:var(--s5)}
.sec-head .label{grid-column:1/-1;font-size:13px}
.sec-head:not(:has(.intro)) h2{grid-column:1/-1;max-width:22ch}
.sec-head .intro{font-size:19px;line-height:1.45;max-width:46ch}
@media (min-width:900px){
  .sec-head{grid-template-columns:1.9fr 1fr;column-gap:var(--s8);align-items:end}
  .sec-head .intro{padding-bottom:6px}
}
.grid{display:grid;gap:var(--s2)}
@media (min-width:760px){.g2{grid-template-columns:repeat(2,1fr)}.g4{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.g3{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1100px){.g4{grid-template-columns:repeat(4,1fr)}}

/* hero */
.hero{padding-block:var(--s3) var(--s8)}
.hero .label{font-size:13px}
.hero h1{margin-block:var(--s2) var(--s4)}
.hero h1:last-child{margin-bottom:0}
.hero-body{display:grid;gap:var(--s5);align-items:start}
@media (min-width:1000px){.hero-body{grid-template-columns:5fr 7fr;gap:var(--s8)}}
.hero-copy .btn{margin-top:var(--s3)}
.hero-copy .fine{margin-top:var(--s2);max-width:46ch}

/* recording to write-up diagram */
.trace{display:grid}
.trace .card{padding:var(--s3)}
.trace-head{display:flex;justify-content:space-between;align-items:baseline;gap:4px var(--s2);flex-wrap:wrap;margin-bottom:var(--s2)}
@media (max-width:759px){.trace-head{flex-direction:column;align-items:start}}
.trace-head .label+.label{color:var(--on-dark-2)}
.card:not(.dark) .trace-head .label+.label{color:var(--label)}
.wave{position:relative;display:flex;align-items:center;justify-content:space-between;height:36px;margin-bottom:var(--s2)}
.wave i{flex:0 0 3px;background:var(--smoke);border-radius:2px}
.wave i.on{background:var(--mint)}
.quotes,.rows{display:grid;gap:12px}
.quotes li,.rows li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:baseline;font-size:15px;line-height:1.4}
.rows b{font-weight:600}
.joint{display:flex;justify-content:flex-start;align-items:center;gap:12px;height:40px;padding-left:48px}
.joint::before{content:"";width:1.5px;height:100%;background:var(--ink)}
.joint .label{color:var(--ink);order:2}
@media (max-width:759px){.joint{padding-left:30px}.joint .label{white-space:nowrap;letter-spacing:.04em;font-size:11px}}
.tag{transition:background-color .2s}
/* signature: hover a quote or a write-up row and its pair lights up */
.trace:has(.quotes li:nth-child(1):hover) .rows li:nth-child(1) .tag,.trace:has(.rows li:nth-child(1):hover) .quotes li:nth-child(1) .tag,
.trace:has(.quotes li:nth-child(2):hover) .rows li:nth-child(2) .tag,.trace:has(.rows li:nth-child(2):hover) .quotes li:nth-child(2) .tag,
.trace:has(.quotes li:nth-child(3):hover) .rows li:nth-child(3) .tag,.trace:has(.rows li:nth-child(3):hover) .quotes li:nth-child(3) .tag,
.quotes li:hover .tag,.rows li:hover .tag{background:var(--volt)}
/* one-time playhead across the recording */
@media (prefers-reduced-motion:no-preference){
  .wave::after{content:"";position:absolute;top:-4px;bottom:-4px;left:0;width:2px;background:var(--mint);animation:scan 2.4s .4s ease-out forwards}
  @keyframes scan{to{left:100%;opacity:0}}
  /* where supported, play it as the recording scrolls into view instead of on load */
  @supports (animation-timeline:view()){
    .wave::after{animation:scan linear both;animation-timeline:view();animation-range:entry 100% cover 50%}
  }
}
.trace-foot{margin-top:var(--s2);padding-top:12px;border-top:1px dashed var(--smoke)}

/* trust line */
.trust{display:flex;flex-wrap:wrap;gap:8px 20px;background:var(--card);border-radius:var(--r-card);padding:20px 24px}
.trust li{display:flex;align-items:center;gap:var(--s3)}
.trust .who{font-weight:600;flex-basis:100%}
.trust li+li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ink)}
.trust .who+li::before{display:none}
.trust .full{text-wrap:balance}
@media (max-width:1099px){.trust li{gap:10px}}
@media (min-width:1100px){
  .trust{flex-wrap:nowrap;justify-content:space-between;padding:22px 32px}
  .trust li{white-space:nowrap}
  .trust .who{flex-basis:auto}
  .trust .who+li::before{display:block}
}

/* where the hours go */
.ico{width:36px;height:36px;margin-bottom:var(--s3);stroke:currentColor;stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round}
.card h3{margin-bottom:var(--s1)}
.card p{color:var(--label)}
.card.dark p{color:var(--on-dark-2)}
@media (max-width:759px){
  .hours .card{display:grid;grid-template-columns:28px 1fr;column-gap:var(--s2);align-items:start}
  .hours .ico{width:28px;height:28px;margin:0}
  .hours .card>*:not(.ico){grid-column:2}
}
@media (min-width:1100px){
  .hours{grid-template-columns:repeat(3,1fr)}
  .hours .wide{grid-column:1/-1;display:grid;grid-template-columns:36px 1fr 1.6fr;gap:var(--s4);align-items:start}
  .hours .wide .ico{margin:0}
  .hours .wide h3{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:var(--d3);line-height:.92;letter-spacing:0;margin:0}
  .hours .wide p{font-size:19px;line-height:1.45}
}

/* cost check */
.cost{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--s3) var(--s2);align-items:start}
.cost .op{display:none}
.num{font-family:var(--display);font-weight:700;font-size:clamp(48px,7vw,96px);line-height:.9;text-transform:uppercase}
.cost .f .label{margin-top:6px}
.cost .total{grid-column:1/-1;background:var(--ink);color:var(--on-dark);border-radius:var(--r-inner);padding:var(--s3);display:flex;flex-wrap:wrap;align-items:baseline;gap:var(--s1) var(--s3)}
.cost .total .label{color:var(--on-dark-2);flex-basis:100%}
.cost .total .num span{color:var(--on-dark-2)}
.cost-note{margin-top:var(--s3)}
@media (min-width:900px){
  .cost{grid-template-columns:auto auto 1fr;gap:var(--s3) var(--s5)}
  .cost .op{display:block;font-family:var(--display);font-weight:700;font-size:48px;line-height:1;color:var(--label);align-self:start;margin-top:.45em}
  .cost .total{margin-top:var(--s1);padding:var(--s4)}
}

/* tools */
.tool{display:grid;gap:var(--s2);align-content:start}
.tool .tag{justify-self:start}
.tool .job{margin-bottom:-8px}
.card.dark .job{color:var(--on-dark-2)}
.tool h3{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:var(--d3);line-height:.9;letter-spacing:0;margin:0}

/* checks */
.checks .label-lg{margin-bottom:var(--s2)}
.checks ul{display:grid;gap:10px}
.checks li{padding-left:22px;position:relative;color:var(--label)}
.card.dark.checks li{color:var(--on-dark-2)}
.checks li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border-radius:50%;border:1.5px solid currentColor}
.checks .yes li::before{background:var(--mint);border-color:var(--ink)}

/* mid-page call */
.mid{display:flex;flex-wrap:wrap;align-items:center;gap:var(--s2) var(--s3);margin-top:var(--s5)}
.mid .fine{max-width:40ch}

/* steps */
.step .n{font-family:var(--display);font-weight:700;font-size:64px;line-height:.85;margin-bottom:var(--s3)}
.pill-line{display:flex;flex-wrap:wrap;gap:var(--s1) var(--s2);align-items:center;margin-top:var(--s2);background:var(--card);border-radius:var(--r-card);padding:18px 24px;font-size:17px}

/* fit */
.fit ul{display:grid;gap:12px;margin-top:var(--s2)}
.fit li{padding-left:28px;position:relative}
.fit .ok li::before{content:"";position:absolute;left:2px;top:.35em;width:12px;height:7px;border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(-45deg)}
.fit .no li::before{content:"";position:absolute;left:2px;top:.75em;width:14px;height:2px;background:var(--label)}
.fit .no li{color:var(--label)}
.fit .card-foot{margin-top:var(--s3);padding-top:var(--s2);border-top:1px dashed var(--smoke);color:var(--ink);font-weight:500}

/* photo (from Ezekiel's LinkedIn profile, 2026-10-04) */
.photo{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-inner);background:var(--mist)}

/* meet */
.meet{display:grid;gap:var(--s3);align-items:center}
.meet .photo{max-width:280px}
@media (min-width:760px){.meet{grid-template-columns:minmax(200px,320px) 1fr;gap:var(--s5)}.meet .photo{max-width:none}}
.meet .label{margin-bottom:var(--s2)}
.meet .name{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:var(--d3);line-height:.9;color:var(--ink)}
.meet .name+.label{margin-top:var(--s2)}
.meet .bio{font-size:19px;line-height:1.5;color:var(--ink);max-width:56ch}
.meet .more{margin-top:var(--s3)}
.more .link{display:inline-flex;align-items:center;min-height:44px;padding:0 14px}

/* last call */
.last{display:grid;gap:var(--s3);padding:var(--s5) var(--s3)}
@media (min-width:760px){.last{padding:var(--s5)}}
.last .lead{color:var(--on-dark-2)}
.last .plain{font-family:var(--mono);font-size:14px;color:var(--on-dark-2);user-select:all}
.last .act{display:grid;gap:var(--s3);justify-items:start}
@media (min-width:900px){
  .last{grid-template-columns:1.3fr 1fr;align-items:start;column-gap:var(--s8);row-gap:var(--s2);padding:var(--s8)}
  .last .act{align-self:end}
  .last .label{grid-column:1/-1}
}

/* footer */
footer{padding-block:var(--s4) var(--s5);border-top:1.5px solid var(--ink);margin-top:var(--s5)}
.foot{display:grid;gap:var(--s3)}
@media (min-width:900px){.foot{grid-template-columns:1.2fr 1fr;align-items:start;gap:var(--s8)}}
.foot .line{font-size:20px;line-height:1.4;font-weight:500;max-width:36ch}
.wordmark{grid-column:1/-1;font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:clamp(72px,17vw,232px);line-height:.8;letter-spacing:-.01em;margin-top:var(--s5)}
@media (min-width:900px){.wordmark{margin-top:0}}
.foot-cols{display:grid;gap:var(--s3)}
@media (min-width:900px){.foot-cols{justify-self:end}}
.foot-cols ul{display:grid;gap:2px;margin-top:var(--s1)}
.foot-cols ul{display:flex;flex-wrap:wrap;column-gap:var(--s3)}
.foot-cols a{display:inline-block;padding-block:12px;font-size:15px;min-width:44px}
.foot-cols span{display:inline-block;padding-block:10px;font-size:15px;color:var(--label)}
.foot-cols small{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--label);margin-left:6px}

/* about */
.about-hero{display:grid;gap:var(--s3);align-items:end}
.about-hero .photo{max-width:220px}
@media (min-width:900px){.about-hero{grid-template-columns:1fr 300px;gap:var(--s8)}.about-hero .photo{max-width:none}}
.pillar .yrs{font-family:var(--display);font-weight:700;font-size:clamp(72px,8vw,110px);line-height:.85;margin-bottom:var(--s2)}
.story .card{padding:var(--s5) var(--s3)}
@media (min-width:760px){.story .card{padding:var(--s8)}}
.story blockquote{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:var(--d2);line-height:.92;max-width:30ch}
.story .card blockquote p:first-child{color:var(--on-dark)}
.story blockquote p+p{font-size:var(--d3);line-height:.95}
.story blockquote p+p{margin-top:var(--s3);color:var(--on-dark-2)}
.ways{display:grid}
.ways li{display:grid;gap:var(--s1);padding-block:var(--s3);border-top:1.5px solid var(--ink)}
.ways li:last-child{border-bottom:1.5px solid var(--ink)}
@media (min-width:760px){.ways li{grid-template-columns:1fr 1.4fr;gap:var(--s5);align-items:baseline}}
.ways b{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:var(--d3);line-height:.92}
.ways span{color:var(--label);font-size:18px}