/* =========================================================
   Cadenza (Concept F): shared styles for every page
   Theme: tokens on :root; dark follows the OS unless data-theme overrides it
   ========================================================= */
@import url("fonts.css");

/* Warm palette: cream, terracotta, apricot, honey and sage. Friendly, never cold. */
:root{
  color-scheme:light;
  --bg:#F7F2EA;            /* warm cream */
  --surface:#FFFDF9;
  --surface-2:#F0E8DC;
  --ink:#1F1A16;           /* warm near-black */
  --body:#554B42;
  --mist:#8C8178;
  --line:rgba(31,26,22,.12);
  --accent:#C95A30;        /* terracotta: small accents, links, active states */
  --accent-ink:#A8482A;
  --apricot:#F3B58A;
  --wash:#FBE9DA;
  --amber:#F2B84B;
  --mint:#9CCBA4;
  --shadow:0 30px 80px rgba(60,35,15,.12);
  /* page tones: the background drifts between these as you scroll */
  --tone-ivory:#F7F2EA;
  --tone-peach:#FAE8DA;
  --tone-sand:#F3E6D0;
  --tone-sage:#EAEEE2;
  --tone-ink:#1A1512;
  --header-h:76px;
  --display:"Fraunces", Georgia, serif;
  --sans:"Geist", system-ui, sans-serif;
  --round:"Nunito", "Geist", system-ui, sans-serif;
  --gutter:clamp(20px,6vw,112px);
  --section:clamp(120px,18vh,220px);
  --ease:cubic-bezier(.2,.7,.2,1);
  --r-lg:32px; --r-md:22px; --r-sm:14px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --bg:#15110E;--surface:#1F1A16;--surface-2:#29221C;--ink:#F3ECE3;--body:#C6BBAF;--mist:#998D81;--line:rgba(243,236,227,.12);
    --accent:#F0875A;--accent-ink:#F6A985;--wash:#2D2018;--shadow:0 30px 80px rgba(0,0,0,.45);
    --tone-ivory:#15110E;--tone-peach:#1E1611;--tone-sand:#1C1711;--tone-sage:#151712;--tone-ink:#0B0907;
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --bg:#15110E;--surface:#1F1A16;--surface-2:#29221C;--ink:#F3ECE3;--body:#C6BBAF;--mist:#998D81;--line:rgba(243,236,227,.12);
  --accent:#F0875A;--accent-ink:#F6A985;--wash:#2D2018;--shadow:0 30px 80px rgba(0,0,0,.45);
  --tone-ivory:#15110E;--tone-peach:#1E1611;--tone-sand:#1C1711;--tone-sage:#151712;--tone-ink:#0B0907;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 24px)}
html.has-subnav{scroll-padding-top:calc(var(--header-h) + 84px)}
body{--page:var(--tone-ivory);background:var(--page);color:var(--ink);font:400 18px/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:clip;transition:background-color 1.2s var(--ease),color .4s}
body[data-tone="peach"]{--page:var(--tone-peach)}
body[data-tone="sand"]{--page:var(--tone-sand)}
body[data-tone="sage"]{--page:var(--tone-sage)}
body[data-tone="ink"]{--page:var(--tone-ink);--ink:#EEEDEA;--body:#B8BAC1;--line:rgba(238,237,234,.12);--surface:#221C17;--accent:#F0875A}
img{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
h1,h2,h3,h4{text-wrap:balance;font-family:var(--display);font-optical-sizing:auto;font-variation-settings:"SOFT" 30,"WONK" 0;font-weight:340;letter-spacing:-.018em;line-height:1.06}

/* ---------- Section heads: a small subtitle (same words as the nav) over a large title ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:14px;font:500 14px/1.4 var(--sans);letter-spacing:.02em;color:var(--accent);margin-bottom:28px}
p,li{text-wrap:pretty}
.title{font-size:clamp(44px,6.4vw,104px);max-width:14ch}
.title.wide{max-width:20ch}
.lead{font-size:clamp(18px,1.5vw,21px);color:var(--body);max-width:36ch}

/* entrance: fade and lift once */
[data-rise]{opacity:0;transform:translateY(48px);transition:opacity 1.2s var(--ease),transform 1.4s var(--ease);transition-delay:var(--d,0s)}
[data-rise].in{opacity:1;transform:none}
[data-zoom]{overflow:hidden}
[data-zoom] img{will-change:transform;transform-origin:50% 50%}
.more{display:inline-flex;align-items:center;gap:10px;font:500 15px var(--sans);color:var(--ink);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:4px;transition:color .2s,gap .3s var(--ease)}
.more:hover{color:var(--accent);gap:16px}
.more svg{width:14px;height:14px}
.ln{display:block;overflow:hidden;padding-bottom:.18em;margin-bottom:-.18em}
.ln > span{display:block;transform:translateY(110%)}
.in .ln > span,.show .ln > span{transform:none;transition:transform 1.2s var(--ease)}
.in .ln:nth-child(2) > span,.show .ln:nth-child(2) > span{transition-delay:.1s}
.in .ln:nth-child(3) > span,.show .ln:nth-child(3) > span{transition-delay:.2s}

/* ---------- Logo ---------- */
.logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.logo svg{width:34px;height:34px;overflow:visible}
.logo .arc{fill:none;stroke:currentColor;stroke-width:2.4;stroke-linecap:round}
.logo .echo{fill:none;stroke:var(--apricot);stroke-width:1.6;stroke-linecap:round}
.logo .dot{fill:currentColor}
.logo .word{font:400 26px/1.1 var(--display);font-variation-settings:"SOFT" 50,"WONK" 0}
.logo .by{display:block;font:400 11px/1.3 var(--sans);opacity:.65;margin-top:1px}

/* ---------- Header ---------- */
.site-header{position:fixed;inset:0 0 auto 0;z-index:30;height:var(--header-h);display:flex;align-items:center;gap:32px;padding:0 var(--gutter);color:#fff;transition:color .5s,border-color .5s;border-bottom:1px solid transparent;isolation:isolate}
/* over the photo: a progressive blur, strongest at the top and fading out downwards, plus a soft shade for legibility */
.site-header::before{content:"";position:absolute;inset:0 0 -36px 0;z-index:-1;pointer-events:none;
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  background:linear-gradient(180deg,rgba(24,16,10,.42),rgba(24,16,10,.14) 60%,rgba(24,16,10,0));
  -webkit-mask-image:linear-gradient(180deg,#000 0%,#000 35%,rgba(0,0,0,.6) 65%,transparent 100%);mask-image:linear-gradient(180deg,#000 0%,#000 35%,rgba(0,0,0,.6) 65%,transparent 100%);transition:opacity .5s}
/* once scrolling starts: full blur and a bottom border */
.site-header::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:0;background:color-mix(in srgb,var(--page) 82%,transparent);backdrop-filter:blur(22px) saturate(150%);-webkit-backdrop-filter:blur(22px) saturate(150%);transition:opacity .5s}
.site-header.solid{color:var(--ink);border-bottom-color:var(--line)}
.site-header.solid::before{opacity:0}
.site-header.solid::after{opacity:1}
.site-nav{margin-left:auto;display:flex;gap:30px;align-items:center;font-size:14.5px}
.site-nav > a:not(.btn){text-decoration:none;opacity:.78;position:relative;padding:6px 0;transition:opacity .2s}
.site-nav > a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease)}
.site-nav > a:hover{opacity:1}
.site-nav > a.is-active,.site-nav > a[aria-current="page"]{opacity:1}
.site-nav > a.is-active::after,.site-nav > a[aria-current="page"]::after{transform:none}
.nav-tools{display:flex;align-items:center;gap:14px}
.menu-btn{display:none}

/* theme switch */
.theme-switch{position:relative;width:52px;height:28px;border-radius:999px;border:1px solid currentColor;background:transparent;cursor:pointer;opacity:.85;flex:none}
.theme-switch:hover{opacity:1}
.theme-switch .knob{position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:currentColor;transition:transform .45s var(--ease)}
.theme-switch svg{position:absolute;top:6px;width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.theme-switch .sun{right:7px}.theme-switch .moon{left:7px;opacity:0}
[data-effective-theme="dark"] .theme-switch .knob{transform:translateX(24px)}
[data-effective-theme="dark"] .theme-switch .sun{opacity:0}
[data-effective-theme="dark"] .theme-switch .moon{opacity:1}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:500 15px/1 var(--sans);text-decoration:none;padding:16px 28px;border-radius:999px;border:1px solid currentColor;color:inherit;cursor:pointer;background:transparent;transition:background .3s,color .3s,border-color .3s,transform .3s var(--ease);white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn.solid{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn.solid:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.glass{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff;backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%)}
.btn.glass:hover{background:#fff;color:#1C1714}
.site-header .btn{padding:12px 20px;font-size:14px}
.site-header.solid .btn.glass{background:var(--ink);color:var(--bg);border-color:var(--ink);backdrop-filter:none}
.site-header.solid .btn.glass:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* ---------- Sub nav (subpages): the main nav stays; section capsules stick right under it, like apple.com ---------- */
.sub-nav{position:sticky;top:var(--header-h);z-index:25;display:flex;align-items:center;gap:20px;padding:10px var(--gutter);margin-top:var(--header-h);background:color-mix(in srgb,var(--page) 84%,transparent);backdrop-filter:blur(22px) saturate(150%);-webkit-backdrop-filter:blur(22px) saturate(150%);border-bottom:1px solid var(--line);color:var(--ink)}
.sub-nav .page-name{font:400 21px/1 var(--display);white-space:nowrap}
/* with a sub-nav, header and sub-nav read as one frosted bar: no seam between them */
html.has-subnav .site-header.solid{border-bottom-color:transparent}
html.has-subnav .site-header::after{background:color-mix(in srgb,var(--page) 84%,transparent)}
.capsules{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin-left:auto;padding:2px}
.capsules::-webkit-scrollbar{display:none}
.capsules a{flex:none;font-size:13.5px;text-decoration:none;padding:8px 15px;border-radius:999px;color:var(--body);transition:background .3s,color .3s}
.capsules a:hover{color:var(--ink);background:var(--surface)}
.capsules a.is-active{background:var(--ink);color:var(--bg)}

/* ---------- Back to top ---------- */
.to-top{position:fixed;z-index:40;right:clamp(16px,2.4vw,32px);bottom:clamp(16px,2.4vw,32px);width:52px;height:52px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);background:color-mix(in srgb,var(--surface) 86%,transparent);color:var(--ink);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 10px 30px rgba(60,35,15,.12);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .4s,transform .5s var(--ease),visibility 0s .5s,background .3s}
.to-top.show{opacity:1;visibility:visible;transform:none;transition:opacity .4s,transform .5s var(--ease),background .3s}
.to-top:hover{background:var(--ink);color:var(--bg)}
.to-top svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Contact: one field over a photo, shared by every page ---------- */
.contact{position:relative;height:max(720px,105vh);overflow:hidden;border-radius:var(--r-lg)}
.contact-media{position:absolute;inset:-18% 0;will-change:transform}
.contact-media img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}
.contact::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(24,16,10,.5),rgba(24,16,10,.05) 70%)}
.contact form{position:absolute;z-index:2;left:clamp(20px,5vw,80px);top:50%;width:min(520px,calc(100% - 40px));translate:0 -50%;background:var(--surface);color:var(--ink);border-radius:var(--r-lg);padding:clamp(28px,3.4vw,52px);box-shadow:var(--shadow)}
.contact h3{font-size:clamp(30px,2.8vw,44px)}
.contact .sub{margin-top:12px;color:var(--body)}
.contact .field{margin-top:36px}
.contact .btn{margin-top:20px;width:100%;padding:18px}
.contact .alt{margin-top:22px;font-size:14px;color:var(--mist)}
.contact .alt a{color:var(--ink)}
.contact form.sent .btn{background:var(--accent);border-color:var(--accent);color:#fff}

/* finale: the page turns to ink, the mark draws and ripples, the closing line rises word by word, the wordmark rides a melody */
.finale{position:relative;min-height:max(860px,135vh);display:flex;flex-direction:column;justify-content:space-between;padding:clamp(140px,22vh,260px) var(--gutter) 0;overflow:hidden;color:var(--ink);text-align:center}
.finale-waves{position:absolute;left:0;right:0;top:44%;width:100%;height:42%;pointer-events:none}
.finale-inner{position:relative;display:flex;flex-direction:column;align-items:center}
.finale-mark{width:clamp(72px,8vw,120px);height:auto;overflow:visible}
.finale-mark .arc{fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
.finale-mark .echo{fill:none;stroke:var(--apricot);stroke-width:1.4;stroke-linecap:round}
.finale-mark .dot{fill:var(--accent)}
.finale-mark .ring{fill:none;stroke:var(--accent);stroke-width:.6;opacity:0;transform-box:fill-box;transform-origin:center}
.finale.on .finale-mark .ring{animation:finale-ring 3.6s cubic-bezier(.2,.6,.3,1) infinite}
.finale.on .finale-mark .ring:nth-child(2){animation-delay:1.2s}
.finale.on .finale-mark .ring:nth-child(3){animation-delay:2.4s}
@keyframes finale-ring{0%{opacity:.8;transform:scale(1)}100%{opacity:0;transform:scale(9)}}
.closing-line{margin:clamp(48px,7vh,80px) auto 0;font:300 clamp(44px,6.4vw,112px)/1.02 var(--display);letter-spacing:-.025em;max-width:17ch;text-wrap:balance}
.closing-line em{font-style:normal;color:var(--accent);background:linear-gradient(var(--accent),var(--accent)) 0 96%/0 .06em no-repeat;transition:background-size 1.2s var(--ease) 1.6s}
.finale.in .closing-line em{background-size:100% .06em}
.closing-line .w{display:inline-block;opacity:0;transform:translateY(.55em) rotate(2deg);filter:blur(8px);transition:opacity .9s var(--ease),transform 1.1s var(--ease),filter .9s var(--ease);transition-delay:calc(.35s + var(--i) * 70ms)}
.finale.in .closing-line .w{opacity:1;transform:none;filter:none}
.finale-word{position:relative;margin:clamp(64px,10vh,120px) calc(-1 * var(--gutter)) 0;font:400 clamp(96px,24vw,440px)/.8 var(--display);letter-spacing:-.045em;white-space:nowrap;padding-bottom:.06em}
.finale-word .l{display:inline-block;background:linear-gradient(180deg,var(--apricot),var(--accent) 70%);-webkit-background-clip:text;background-clip:text;color:transparent;opacity:0;transform:translateY(40%);transition:opacity 1s var(--ease),transform 1.4s var(--ease);transition-delay:calc(.2s + var(--i) * 80ms)}
.finale.in .finale-word .l{opacity:1;transform:translateY(var(--y,0px))}
.finale.in .finale-word.settled .l{transition:none}
.contact-wrap{padding:var(--section) var(--gutter)}

/* ---------- Subpage head ---------- */
.page-head{padding:clamp(80px,14vh,160px) var(--gutter) clamp(80px,12vh,140px);display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:end}
.page-head .h{grid-column:1 / span 8}
.page-head h1{font-size:clamp(48px,7.4vw,120px);font-weight:320;line-height:1}
.page-head p{grid-column:9 / span 4;color:var(--body)}

/* ---------- Footer ---------- */
footer{padding:96px var(--gutter) 48px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(12,1fr);gap:24px;font-size:14px;color:var(--mist)}
footer .logo{color:var(--ink);grid-column:1 / span 4;align-self:start}
footer .col{grid-column:span 2;display:flex;flex-direction:column;gap:12px}
footer .col b{font-weight:500;color:var(--ink);margin-bottom:4px}
footer .col a,footer .col button{text-decoration:none;background:none;border:0;padding:0;text-align:left;cursor:pointer;color:inherit;font-size:14px}
footer .col a:hover,footer .col button:hover{color:var(--ink)}
footer .base{grid-column:1 / -1;margin-top:64px;display:flex;justify-content:space-between;gap:24px;font-size:13px}

/* ---------- Cookie notice (GDPR): equal-weight accept / reject, nothing optional runs before consent ---------- */
.consent{position:fixed;z-index:60;left:24px;bottom:24px;width:min(440px,calc(100vw - 48px));background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 24px 22px;box-shadow:var(--shadow);transform:translateY(24px);opacity:0;visibility:hidden;transition:transform .6s var(--ease),opacity .4s,visibility 0s .6s}
.consent.open{transform:none;opacity:1;visibility:visible;transition:transform .6s var(--ease),opacity .4s}
.consent h2{font:500 16px/1.3 var(--sans);letter-spacing:0}
.consent p{margin-top:8px;font-size:14px;line-height:1.55;color:var(--body)}
.consent details{margin-top:10px;font-size:13.5px;color:var(--body)}
.consent summary{cursor:pointer;color:var(--ink);font-weight:500}
.consent ul{margin:10px 0 0 18px;display:grid;gap:6px}
.consent .row{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.consent .btn{padding:13px 16px;font-size:14px}

/* ---------- Forms ---------- */
.field{display:flex;flex-direction:column;gap:10px;min-width:0}
.field label{font-size:14px;color:var(--body)}
.field input{width:100%;font:400 22px/1.4 var(--sans);color:var(--ink);background:transparent;border:0;border-bottom:1px solid color-mix(in srgb,var(--ink) 35%,transparent);padding:10px 0;border-radius:0;transition:border-color .2s}
.field input:focus{outline:none;border-bottom-color:var(--accent)}
.field .hint{font-size:13px;color:var(--mist);min-height:1.4em}
.field .hint.err{color:#C4553F}

/* ---------- CTA band (subpages) ---------- */
.cta-band{padding:clamp(100px,16vh,180px) var(--gutter);display:flex;justify-content:space-between;align-items:end;gap:40px;border-top:1px solid var(--line)}
.cta-band h2{font-size:clamp(40px,5vw,76px);max-width:16ch}

/* ---------- Shadowing lab (always dark: it is an instrument) ---------- */
.lab{overflow-anchor:none;--lab-bg:#1C1714;--lab-native:#F3ECE3;--lab-child:#F3B58A;--lab-window:rgba(243,181,138,.14);--lab-ink:#F3ECE3;--lab-muted:#8d929c;--lab-grid:rgba(243,236,227,.14);--lab-node:#2A231E;--lab-warn:#E9C27A;
  background:#1C1714;border-radius:var(--r-lg);padding:44px 44px 36px;color:#F3ECE3}
.lab-top{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:end;margin-bottom:28px;height:136px;contain:layout}
.lab-readout{grid-column:1 / span 6;display:flex;align-items:baseline;gap:18px;white-space:nowrap}
.lab-ms{font:330 84px/1.05 var(--display);color:#fff;font-variant-numeric:tabular-nums;display:inline-block;width:5.4ch}
.lab-zone{font:500 14px var(--sans);padding:7px 14px;border-radius:999px;min-width:120px;text-align:center;background:rgba(243,181,138,.16);color:#F3B58A;white-space:nowrap}
.lab[data-zone=early] .lab-zone,.lab[data-zone=late] .lab-zone{background:rgba(233,194,122,.16);color:#E9C27A}
.lab-verdict{grid-column:7 / span 6;color:#c9ccd3;font-size:16px;height:7.2em;overflow:hidden;align-self:end;display:flex;align-items:flex-end}
.lab-control{contain:layout;display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;margin:24px 0 4px}
.lab-control label{grid-column:1 / span 3;font-size:14px;color:#b9bdc6}
.lab-range{grid-column:4 / span 5}
.lab-presets{grid-column:9 / span 4;justify-content:flex-end;flex-wrap:nowrap;white-space:nowrap}
.lab-presets button{background:rgba(255,255,255,.06);color:#F3ECE3;border:1px solid rgba(243,236,227,.2);border-radius:999px;padding:8px 14px}
.lab-presets button:hover{background:rgba(255,255,255,.14)}
.lab-flowwrap{border-top:1px solid rgba(243,236,227,.12);padding-top:44px;margin-top:44px}
.lab-flowwrap h3{font-size:32px;margin-bottom:28px;color:#fff}
.lab-chart,.lab-flow{width:100%;height:auto;display:block;overflow:visible}
.lab-gridline{stroke:var(--lab-grid);stroke-width:1}
.lab-tick,.lab-key,.lab-node-s,.lab-loopt{fill:var(--lab-muted);font-size:13px}
.lab-key{font-size:14px}
.lab-key.native{fill:var(--lab-native)}
.lab-key.child{fill:var(--lab-child)}
.lab-sylt{fill:var(--lab-ink);font-size:16px}
.lab-syl{fill:var(--lab-muted);opacity:.45}
.lab-syl.stress{fill:var(--lab-child);opacity:1}
.lab-window{fill:var(--lab-window)}
.lab-native{fill:none;stroke:var(--lab-native);stroke-width:2;stroke-linejoin:round}
.lab-child{fill:none;stroke:var(--lab-child);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.lab-head{stroke:var(--lab-native);stroke-width:1;opacity:.45}
.lab-dot-native{fill:var(--lab-native)}
.lab-dot-child{fill:var(--lab-bg);stroke:var(--lab-child);stroke-width:3;transition:fill .2s}
.lab-dot-child.in{fill:var(--lab-child)}
.lab-path{fill:none;stroke:var(--lab-grid);stroke-width:2.5;stroke-linecap:round;transition:stroke .3s,opacity .3s}
.lab-path.detour{stroke-dasharray:2 8}
[data-zone=ok] .lab-path.direct,[data-zone=ok] .lab-path.out,[data-zone=ok] .lab-path.loop{stroke:var(--lab-child)}
[data-zone=early] .lab-path.direct{stroke:var(--lab-warn);stroke-dasharray:3 9}
[data-zone=early] .lab-path.out{stroke:var(--lab-warn)}
[data-zone=late] .lab-path.detour{stroke:var(--lab-warn)}
[data-zone=late] .lab-path.out{stroke:var(--lab-warn)}
.lab-node-shape{fill:var(--lab-node);stroke:var(--lab-grid);stroke-width:1.5;transition:stroke .3s,fill .3s}
.lab-node.trans{opacity:.4;transition:opacity .3s}
[data-zone=late] .lab-node.trans{opacity:1}
[data-zone=late] .lab-node.trans .lab-node-shape{stroke:var(--lab-warn)}
[data-zone=ok] .lab-node:not(.trans) .lab-node-shape{stroke:var(--lab-child)}
[data-zone=early] .lab-node.map .lab-node-shape{stroke:var(--lab-warn)}
[data-zone=late] .lab-node.map{opacity:.4}
.lab-node-t{fill:var(--lab-ink);font-size:16px}
.lab-icon{fill:none;stroke:var(--lab-ink);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.lab-pulse{fill:var(--lab-child)}
.lab-pulse.slow,[data-zone=early] .lab-pulse{fill:var(--lab-warn)}
.lab-pulse.fb{fill:var(--lab-native);opacity:.8}
.lab-range{width:100%;accent-color:var(--lab-child);cursor:pointer}
.lab-presets{display:flex;gap:8px;flex-wrap:wrap}
.lab-presets button{font:inherit;font-size:14px;cursor:pointer}
.lab-link{stroke:var(--lab-child);stroke-width:1.5;stroke-dasharray:3 4}
.lab-src{fill:none;stroke:var(--lab-child);stroke-width:2}
[data-zone=early] .lab-link,[data-zone=late] .lab-link,[data-zone=early] .lab-src,[data-zone=late] .lab-src{stroke:var(--lab-warn)}
[data-zone=late] .lab-pulse:not(.fb){fill:var(--lab-warn)}
.lab-flowhint{display:none;margin-top:10px;font-size:13px;color:var(--lab-muted)}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .ln > span{transform:none!important}
  [data-rise]{opacity:1;transform:none}
  .closing-line .w,.finale-word .l{opacity:1;transform:none;filter:none}
  .closing-line em{background-size:100% .06em}
  .lab-pulse{display:none}
}

/* =========================================================
   Responsive: laptop ≤1240, tablet ≤900, phone ≤600
   ========================================================= */
@media (max-width:1240px){
  .site-nav{gap:22px;font-size:14px}
  .sub-nav .page-name{display:none}
  .capsules{margin-left:0}
  .lab{padding:36px 32px 30px}
  .lab-ms{font-size:72px}
  .lab-control label{grid-column:1 / -1}
  .lab-range{grid-column:1 / span 7}
  .lab-presets{grid-column:8 / span 5}
}
@media (max-width:1100px){
  /* header becomes logo + theme + menu; the nav opens as a sheet */
  .menu-btn{display:grid;place-items:center;gap:6px;width:44px;height:44px;margin-right:-10px;background:none;border:0;cursor:pointer;align-content:center}
  .menu-btn i{display:block;width:22px;height:1.6px;background:currentColor;border-radius:2px;transition:transform .35s var(--ease)}
  .site-header.is-open .menu-btn i:first-child{transform:translateY(3.8px) rotate(45deg)}
  .site-header.is-open .menu-btn i:last-child{transform:translateY(-3.8px) rotate(-45deg)}
  .nav-tools{margin-left:auto}
  .site-nav{position:absolute;top:100%;left:0;right:0;height:calc(100dvh - var(--header-h));flex-direction:column;align-items:flex-start;gap:0;padding:16px var(--gutter) 40px;background:var(--bg);color:var(--ink);
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .3s,transform .4s var(--ease),visibility 0s .4s;overflow-y:auto}
  .site-nav > a:not(.btn){width:100%;padding:16px 0;border-bottom:1px solid var(--line);font:340 30px/1.15 var(--display);opacity:1}
  .site-nav > a:not(.btn)::after{display:none}
  .site-nav > a.is-active{color:var(--accent)}
  .site-nav .btn.glass{margin-top:32px;background:var(--ink);color:var(--bg);border-color:var(--ink);backdrop-filter:none;padding:16px 26px;font-size:15px}
  .site-header.is-open{background:var(--bg);color:var(--ink);border-bottom-color:var(--line);backdrop-filter:none}
  .site-header.is-open .site-nav{opacity:1;visibility:visible;transform:none;transition:opacity .3s,transform .4s var(--ease)}
  body.menu-open{overflow:hidden}
}
@media (max-width:900px){
  body{font-size:17px}
  .page-head{display:block}
  .page-head p{margin-top:28px;max-width:560px}
  footer{grid-template-columns:repeat(6,1fr)}
  footer .logo{grid-column:1 / -1;margin-bottom:12px}
  footer .col{grid-column:span 2}
  footer .base{flex-direction:column;gap:8px;margin-top:40px}
  .cta-band{flex-direction:column;align-items:flex-start}
  .lab{padding:28px 24px 24px}
  .lab-top{display:block;height:auto}
  .lab-readout{height:80px;align-items:center}
  .lab-ms{font-size:60px}
  .lab-verdict{margin-top:12px;height:6.6em;align-items:flex-start}
  .lab-control{grid-template-columns:1fr;gap:14px}
  .lab-control label,.lab-range,.lab-presets{grid-column:1 / -1}
  .lab-presets{justify-content:flex-start;flex-wrap:wrap}
  .lab-tick{font-size:22px}.lab-sylt{font-size:24px}.lab-key{font-size:22px}.lab-key.window{display:none}
}
@media (max-width:600px){
  :root{--r-lg:24px;--r-md:18px}
  body{font-size:16px}
  .logo svg{width:30px;height:30px}
  .logo .word{font-size:22px}
  .logo .by{display:none}
  .theme-switch{width:46px;height:26px}
  .theme-switch .knob{width:18px;height:18px}
  [data-effective-theme="dark"] .theme-switch .knob{transform:translateX(20px)}
  .theme-switch svg{top:5px;width:13px;height:13px}
  .sub-nav{padding:8px 12px}
  .contact{height:auto;padding:56vh 12px 12px}
  .contact-media{inset:-10% 0 auto 0;height:70vh}
  .contact::after{background:linear-gradient(180deg,rgba(24,16,10,0) 30%,rgba(24,16,10,.6))}
  .contact form{position:relative;left:auto;top:auto;translate:none;width:100%}
  :root{--header-h:64px}
  footer{grid-template-columns:1fr 1fr;gap:28px 16px}
  footer .col{grid-column:span 1}
  .consent{left:12px;right:12px;bottom:12px;width:auto;padding:20px}
  .lab{padding:22px 16px 20px}
  .lab-readout{height:60px;gap:12px}
  .lab-ms{font-size:46px}
  .lab-zone{min-width:0;font-size:13px;padding:6px 11px}
  .lab-verdict{font-size:15px;height:8.4em}
  .lab-tick{display:none}.lab-sylt{font-size:36px}.lab-key{font-size:44px}
  .lab-flowscroll{overflow-x:auto;margin:0 -16px;padding:0 16px 8px}
  .lab-flowscroll .lab-flow{min-width:760px}
  .lab-flowhint{display:block}
}