/* TRIALEAD site styles. Source of the look: docs/os/design/home-a-kino-v2.html and legal-a-kino-v2.html (ADR-0004).
   Fonts: Geist and Geist Mono (Vercel, SIL Open Font License 1.1, see fonts/OFL.txt), self-hosted. */
@font-face{font-family:"Geist";src:url(fonts/Geist-Light.woff2) format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Geist";src:url(fonts/Geist-Regular.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Geist";src:url(fonts/Geist-Medium.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(fonts/GeistMono-Regular.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(fonts/GeistMono-Medium.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}

/* ===== Tokens ===== */
:root{
  --bg:#f4f5f3;
  --surface:#ffffff;
  --surface-hover:#e9ebe7;
  --text:#0b0e14;
  --muted:#4d5360;
  --line:#d3d7dc;              /* decorative rules only, not text */
  --brand:#0c2e8a;
  --on-brand:#ffffff;
  --brand-hover:#0b0e14;
  --on-brand-hover:#ffffff;
  --link:#0c2e8a;
  --link-hover:#0b0e14;
  --accent:#50d8af;            /* marker: dots, bars, glow. Never text on light */
  --glow:rgb(80 216 175 / .35);/* hero glow peak; .35 keeps muted text >= 5.89:1 */
  --focus:#0c2e8a;
  --label-bg:#0b0e14;
  --label-fg:#f4f5f3;
  /* "screen" = cinema surface, identical in both themes */
  --screen:#060b1c;
  --on-screen:#f4f5f3;
  --on-screen-muted:#a7b0c2;
  --screen-line:rgb(167 176 194 / .22);
  --screen-glow:rgb(12 46 138 / .7);   /* navy reinterpreted as projector light */
  --screen-beam:rgb(80 216 175 / .22); /* .22 keeps muted >= 5.97:1 under chips */
  --screen-chip:rgb(6 11 28 / .78);    /* scrim under text on a moving background */
  --screen-focus:#50d8af;
  --shade:rgb(3 6 16 / .55);           /* vignette */
  --cursor:#ffffff;                    /* used with mix-blend-mode:difference */

  --font:"Geist",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Geist Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --fs-mark:clamp(3.25rem,16.5vw,15rem);
  --fs-display:clamp(2rem,6.2vw,5.25rem);
  --fs-h2:clamp(2.25rem,7vw,5rem);
  --fs-marquee:clamp(2.75rem,9vw,7.5rem);
  --fs-menu:clamp(2.25rem,8vw,6rem);
  --fs-h2-xl:clamp(3rem,11vw,9rem);    /* contact: the closing "shot" of the page */
  --fs-count:clamp(5rem,11vw,10rem);   /* How we work: current step number (desktop) */
  --fs-logo:1.25rem;
  --fs-lead:clamp(1.375rem,3.2vw,2.5rem);
  --fs-h3:clamp(1.375rem,2.4vw,2rem);
  --fs-h4:clamp(1.125rem,2vw,1.5rem);
  --fs-body:1.0625rem;
  --fs-small:.9375rem;
  --fs-label:.75rem;
  --lh-body:1.6;

  --sp-1:.25rem;--sp-2:.5rem;--sp-3:.75rem;--sp-4:1rem;--sp-5:1.5rem;--sp-6:2rem;--sp-7:3rem;--sp-8:4.5rem;--sp-9:7rem;
  --gutter:clamp(1rem,4vw,3rem);
  --maxw:90rem;
  --tap:2.75rem;
  --radius-pill:999px;
  --radius-frame:clamp(.75rem,2vw,1.5rem);
  --label-h:0px;               /* the preview label of the mock is not on the site */
  --hdr-h:4rem;
  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  --dur-1:.25s;--dur-2:.6s;--dur-3:1.2s;--dur-intro:1.6s;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#07090f;--surface:#11151e;--surface-hover:#171c27;--text:#eef0f3;--muted:#9aa1ad;--line:#262c39;
    --brand:#50d8af;--on-brand:#07090f;--brand-hover:#eef0f3;--on-brand-hover:#07090f;
    --link:#50d8af;--link-hover:#eef0f3;--glow:rgb(80 216 175 / .18);--focus:#50d8af;
    --label-bg:#eef0f3;--label-fg:#07090f;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#07090f;--surface:#11151e;--surface-hover:#171c27;--text:#eef0f3;--muted:#9aa1ad;--line:#262c39;
  --brand:#50d8af;--on-brand:#07090f;--brand-hover:#eef0f3;--on-brand-hover:#07090f;
  --link:#50d8af;--link-hover:#eef0f3;--glow:rgb(80 216 175 / .18);--focus:#50d8af;
  --label-bg:#eef0f3;--label-fg:#07090f;
  color-scheme:dark;
}
:root[data-theme="light"]{color-scheme:light}

/* ===== Base ===== */
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%;interpolate-size:allow-keywords;
  scroll-padding-top:calc(var(--label-h) + var(--hdr-h) + var(--sp-4))}
html:has(.menu[open]){overflow:hidden}
body{margin:0;background:var(--bg);color:var(--text);font:400 var(--fs-body)/var(--lh-body) var(--font);
  -webkit-font-smoothing:antialiased;padding-top:calc(var(--label-h) + var(--hdr-h));
  transition:background-color var(--dur-2),color var(--dur-2)}
svg{display:block}
p{margin:0}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;margin:-1px;padding:0;border:0}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
html:not(.js-ready) .js-only{display:none!important}
:focus-visible{outline:2px solid var(--focus);outline-offset:3px;border-radius:4px}
.on-screen{--focus:var(--screen-focus);background:var(--screen);color:var(--on-screen)}
.mono{font-family:var(--mono);font-weight:400;letter-spacing:.04em}

.skip{position:fixed;left:var(--sp-4);top:var(--sp-2);z-index:200;display:inline-flex;align-items:center;min-height:var(--tap);
  padding:0 var(--sp-5);border-radius:var(--radius-pill);background:var(--brand);color:var(--on-brand);text-decoration:none;
  transform:translateY(-300%)}
.skip:focus{transform:none}

/* ===== Top label + header ===== */
.topbar{position:fixed;inset:0 0 auto;z-index:60}
.hdr{position:relative;height:var(--hdr-h);display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);
  padding-inline:var(--gutter);background:color-mix(in srgb,var(--bg) 88%,transparent);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
  transition:transform var(--dur-2) var(--ease-out),background-color var(--dur-2)}
.hdr.is-hidden{transform:translateY(-110%)}
.progress{display:none;position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);transform-origin:0 50%}
.logo{display:inline-flex;align-items:center;min-height:var(--tap);font:500 var(--fs-logo)/1 var(--font);letter-spacing:-.03em;
  color:var(--text);text-decoration:none}
.logo__b{font-weight:300}
.logo i{width:.36em;height:.36em;margin-left:.18em;border-radius:50%;background:var(--accent);align-self:flex-start;margin-top:.62em}
.hdr__tools{display:flex;align-items:center;gap:var(--sp-2)}
.icon-btn{display:inline-grid;place-items:center;width:var(--tap);height:var(--tap);padding:0;border-radius:50%;
  border:1px solid var(--line);background:transparent;color:var(--text);transition:background-color var(--dur-1)}
.icon-btn:hover{background:var(--surface-hover)}
.icon-btn svg{width:1.125rem;height:1.125rem;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round}
.icon-btn .i-fill{fill:currentColor;stroke:none}
[data-theme-toggle] .i-sun,[data-theme-toggle][aria-pressed="true"] .i-moon{display:none}
[data-theme-toggle][aria-pressed="true"] .i-sun{display:block}
[data-motion-toggle] .i-play,[data-motion-toggle][aria-pressed="true"] .i-pause{display:none}
[data-motion-toggle][aria-pressed="true"] .i-play{display:block}
.menu-btn{display:inline-flex;align-items:center;gap:var(--sp-3);min-height:var(--tap);padding:0 var(--sp-4);
  border-radius:var(--radius-pill);border:1px solid var(--text);background:transparent;color:var(--text);
  font:500 var(--fs-small)/1 var(--font);transition:background-color var(--dur-1),color var(--dur-1)}
.menu-btn:hover{background:var(--text);color:var(--bg)}
.menu-btn i{position:relative;width:1rem;height:.5rem}
.menu-btn i::before,.menu-btn i::after{content:"";position:absolute;left:0;right:0;height:1.5px;background:currentColor;
  transition:transform var(--dur-1) var(--ease-out)}
.menu-btn i::before{top:0}.menu-btn i::after{bottom:0}
.menu-btn:hover i::before{transform:translateX(.2rem)}.menu-btn:hover i::after{transform:translateX(-.2rem)}

/* ===== Buttons and links ===== */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:var(--sp-3);width:100%;
  min-height:3.25rem;padding:0 var(--sp-5);border-radius:var(--radius-pill);font:500 var(--fs-body)/1 var(--font);
  text-decoration:none;overflow:hidden;isolation:isolate;border:0;transition:transform var(--dur-2) var(--ease-out)}
@media (min-width:40em){.btn{width:auto}}
.btn--primary{background:var(--brand);color:var(--on-brand)}
.btn--primary::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--brand-hover);
  transform:translateY(101%);transition:transform var(--dur-2) var(--ease-out)}
.btn--primary:hover{color:var(--on-brand-hover)}
.btn--primary:hover::before{transform:none}
.btn__roll{display:grid;overflow:hidden;line-height:1.2}
.btn__roll>span{grid-area:1/1;transition:transform var(--dur-2) var(--ease-out)}
.btn__roll>span+span{transform:translateY(110%)}
.btn:hover .btn__roll>span:first-child{transform:translateY(-110%)}
.btn:hover .btn__roll>span+span{transform:none}
.btn svg{width:1.125rem;height:1.125rem;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;
  transition:transform var(--dur-2) var(--ease-out)}
.btn:hover svg{transform:translateX(.25rem) rotate(-45deg)}
.link{color:var(--link);text-decoration:none;display:inline-block;padding-block:.65rem;
  background:linear-gradient(currentColor,currentColor) 0 calc(100% - .5rem)/100% 1px no-repeat;
  transition:background-size var(--dur-2) var(--ease-out),color var(--dur-1)}
.link:hover{color:var(--link-hover);background-size:0 1px;background-position:100% calc(100% - .5rem)}

/* ===== Section scaffolding ===== */
.section{padding-block:var(--sp-8)}
@media (min-width:60em){.section{padding-block:var(--sp-9)}}
.sec-head{display:flex;align-items:baseline;gap:var(--sp-4);margin-bottom:var(--sp-6)}
.eyebrow{font:400 var(--fs-label)/1 var(--mono);letter-spacing:.08em;color:var(--muted)}
.on-screen .eyebrow{color:var(--on-screen-muted)}
h2{margin:0;font:300 var(--fs-h2)/1 var(--font);letter-spacing:-.045em}
h2:focus{outline:none}
h2:focus-visible{outline:2px solid var(--focus)}
.ln{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
.ln>span{display:inline-block}

/* ===== Hero ===== */
.hero{position:relative;isolation:isolate;overflow:clip;display:flex;
  min-height:calc(100svh - var(--label-h) - var(--hdr-h));padding-block:var(--sp-4) var(--sp-7)}
.hero__bg{position:absolute;inset:-5% 0 -25%;z-index:-1;pointer-events:none;
  background:linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/calc(100% / 8) 100%;
  -webkit-mask-image:linear-gradient(#000 30%,transparent 85%);mask-image:linear-gradient(#000 30%,transparent 85%)}
.hero__glow{position:absolute;left:30%;top:0;width:min(60rem,90vw);aspect-ratio:1.4;
  background:radial-gradient(closest-side,var(--glow),transparent);animation:drift 14s var(--ease-io) infinite alternate}
.hero__inner{flex:1;display:flex;flex-direction:column;gap:var(--sp-5);width:100%}
.hero__foot{display:grid;gap:var(--sp-5)}
@media (min-width:60em){.hero__foot{grid-template-columns:1.7fr 1fr;align-items:end;gap:var(--sp-7)}}
.hero__title{margin:0;max-width:20ch;font:400 var(--fs-display)/1.02 var(--font);letter-spacing:-.04em}
.wm{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.1em;margin-bottom:-.1em}
.wm>span{display:inline-block}
.hero__side{display:grid;gap:var(--sp-5);align-content:end}
.hero__sub{max-width:40ch;color:var(--muted)}

/* v2 (owner 07.10.2026): centered first screen — headline, subline, one button; no wordmark, no video block */
.hero__inner{justify-content:center;align-items:center;text-align:center}
.hero__foot{justify-items:center;gap:var(--sp-6);width:100%;max-width:64rem;margin-inline:auto}
@media (min-width:60em){.hero__foot{grid-template-columns:1fr;align-items:center;gap:var(--sp-6)}}
.hero__title{max-width:16ch;margin-inline:auto;font-size:clamp(2.6rem,7.4vw,6.75rem);line-height:.98;letter-spacing:-.045em;text-wrap:balance}
.hero__side{justify-items:center;align-content:center;gap:var(--sp-6)}
.hero__sub{margin-inline:auto;max-width:46ch;font-size:clamp(1.0625rem,1.6vw,1.25rem)}
.hero__glow{left:50%;margin-left:calc(min(60rem,90vw) / -2);top:8%}
.hero__title::after{content:"";display:block;width:clamp(4rem,12vw,9rem);height:2px;margin:var(--sp-6) auto 0;background:var(--accent);
  transform-origin:50% 50%;animation:scan 5s var(--ease-io) 1.6s infinite}


/* ===== Marquee ===== */
.marquee{padding-block:var(--sp-6);border-block:1px solid var(--line);overflow:hidden;user-select:none}
.marquee__row{overflow:hidden}
.marquee__track{display:flex;width:max-content;animation:mq 60s linear infinite}
.marquee__track[data-dir="-1"]{animation-direction:reverse}
.js-ready .marquee__track{animation:none;will-change:transform}
.marquee__group{display:flex;align-items:center;flex:none;font-size:var(--fs-marquee)}
.marquee__group span{font:300 1em/1.15 var(--font);letter-spacing:-.045em;white-space:nowrap;padding-inline:.3em}
.marquee__row--alt span{color:var(--muted)}
.marquee__group i{flex:none;width:.16em;height:.16em;border-radius:50%;background:var(--accent)}

/* ===== About ===== */
.about__grid{display:grid;gap:var(--sp-6)}
@media (min-width:60em){.about__grid{grid-template-columns:5fr 7fr;gap:var(--sp-7)}}
.lead{font:300 var(--fs-lead)/1.28 var(--font);letter-spacing:-.025em}
.about__body{display:grid;gap:var(--sp-5);margin-top:var(--sp-6)}
@media (min-width:48em){.about__body{grid-template-columns:1fr 1fr}}

/* ===== Services ===== */
.svc{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.svc__row{position:relative;isolation:isolate;display:grid;grid-template-columns:1fr auto;
  grid-template-areas:"num glyph" "title title" "text text";gap:var(--sp-3) var(--sp-4);
  padding:var(--sp-5) var(--sp-2);border-bottom:1px solid var(--line)}
@media (min-width:60em){.svc__row{grid-template-columns:4rem 1.1fr 1.4fr 4.5rem;grid-template-areas:"num title text glyph";
  align-items:start;padding:var(--sp-6) var(--sp-4)}}
.svc__row::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--surface-hover);transform:scaleY(0);
  transform-origin:50% 100%;transition:transform var(--dur-2) var(--ease-out)}
.svc__row:hover::before{transform:none}
.svc__num{grid-area:num;font:400 var(--fs-label)/1.8 var(--mono);color:var(--muted)}
.svc__row h3{grid-area:title;margin:0;font:400 var(--fs-h3)/1.15 var(--font);letter-spacing:-.025em;
  transition:transform var(--dur-2) var(--ease-out)}
.svc__row:hover h3{transform:translateX(.5rem)}
.svc__row p{grid-area:text;color:var(--muted);max-width:52ch}
.glyph{grid-area:glyph;justify-self:end;width:3.5rem;height:3.5rem;color:var(--text);transition:transform var(--dur-2) var(--ease-out)}
.svc__row:hover .glyph{transform:scale(1.15) rotate(-4deg)}
.glyph svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;overflow:visible}
.glyph .dot{fill:var(--accent);stroke:none}
.glyph .g{transform-box:fill-box;transform-origin:center}
.g-seo{animation:g-seo 5s var(--ease-io) infinite}
.g-ring{animation:g-ring 2.4s var(--ease-io) infinite}.g-ring--2{animation-delay:.3s}
.g-line{stroke-dasharray:100;animation:g-line 3.2s var(--ease-io) infinite}
.g-sq{animation:g-sq 4s var(--ease-io) infinite}.g-orb{animation:g-orb 4s var(--ease-io) infinite}
.g-bar{transform-origin:50% 100%!important;animation:g-bar 2.4s var(--ease-io) infinite}.g-bar--2{animation-delay:.2s}.g-bar--3{animation-delay:.4s}
.g-trav{animation:g-trav 4.5s var(--ease-io) infinite}

/* ===== How we work (screen band) ===== */
.how{border-block:1px solid var(--screen-line)}
.how__grid{display:grid;gap:var(--sp-6)}
@media (min-width:60em){.how__grid{grid-template-columns:5fr 7fr;gap:var(--sp-7)}
  .how__aside{position:sticky;top:calc(var(--label-h) + var(--hdr-h) + var(--sp-6));align-self:start}}
.how__intro{color:var(--on-screen-muted);max-width:36ch;margin-top:var(--sp-5)}
.how__count{display:none;margin-top:var(--sp-7);font:300 var(--fs-count)/.9 var(--font);letter-spacing:-.06em;
  font-variant-numeric:tabular-nums;overflow:hidden;height:.95em}
@media (min-width:60em){.js-ready .how__count{display:flex;align-items:baseline;gap:var(--sp-3)}}
.how__now{display:inline-block}
.how__now.roll{animation:roll var(--dur-2) var(--ease-out)}
.how__of{font:400 var(--fs-label)/1 var(--mono);color:var(--on-screen-muted);letter-spacing:.08em}
.steps{position:relative;list-style:none;margin:0;padding:0 0 0 var(--sp-6)}
.steps::before,.steps::after{content:"";position:absolute;left:.4375rem;top:var(--sp-6);bottom:var(--sp-6);width:1px;background:var(--screen-line)}
.steps::after{background:var(--accent);transform-origin:50% 0}
.step{position:relative;padding-block:var(--sp-5);border-bottom:1px solid var(--screen-line)}
.step:last-child{border-bottom:0}
.step::before{content:"";position:absolute;left:calc(-1 * var(--sp-6));top:calc(var(--sp-5) + .35rem);width:.875rem;height:.875rem;
  border-radius:50%;border:1px solid var(--accent);background:var(--screen);transition:background-color var(--dur-2)}
.step.is-active::before{background:var(--accent)}
.step__n{display:block;font:400 var(--fs-label)/1.6 var(--mono);color:var(--on-screen-muted);margin-bottom:var(--sp-2)}
.step p{color:var(--on-screen-muted);max-width:52ch}
.step strong{display:block;font:400 var(--fs-h3)/1.15 var(--font);letter-spacing:-.025em;color:var(--on-screen);margin-bottom:var(--sp-2)}

/* ===== FAQ ===== */
.faq__list{border-top:1px solid var(--line)}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item summary{position:relative;isolation:isolate;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);
  min-height:var(--tap);padding:var(--sp-5) var(--sp-2);cursor:pointer;list-style:none}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--surface-hover);transform:scaleX(0);
  transform-origin:0 50%;transition:transform var(--dur-2) var(--ease-out)}
.faq__item summary:hover::before{transform:none}
.faq__item h3{margin:0;font:400 var(--fs-h4)/1.25 var(--font);letter-spacing:-.015em}
.faq__ico{position:relative;flex:none;width:var(--tap);height:var(--tap);border:1px solid var(--line);border-radius:50%}
.faq__ico::before,.faq__ico::after{content:"";position:absolute;left:50%;top:50%;width:.875rem;height:1.5px;margin:-.75px 0 0 -.4375rem;
  background:currentColor;transition:transform var(--dur-2) var(--ease-out)}
.faq__ico::after{transform:rotate(90deg)}
.faq__item[open] .faq__ico::after{transform:rotate(0)}
.faq__item[open] .faq__ico{transform:rotate(180deg);transition:transform var(--dur-2) var(--ease-out)}
.faq__a{padding:0 var(--sp-2) var(--sp-5);color:var(--muted);max-width:62ch}

/* ===== Contact ===== */
.contact__grid{display:grid;gap:var(--sp-6)}
@media (min-width:60em){.contact__grid{grid-template-columns:1fr 1fr;gap:var(--sp-7);align-items:end}}
.contact h2{font-size:var(--fs-h2-xl)}
.contact__intro{font:300 var(--fs-lead)/1.28 var(--font);letter-spacing:-.02em;max-width:24ch;margin-top:var(--sp-5)}
.facts{margin:0;display:grid;border-top:1px solid var(--line)}
.facts>div{display:grid;gap:var(--sp-1);padding-block:var(--sp-4);border-bottom:1px solid var(--line)}
@media (min-width:40em){.facts>div{grid-template-columns:11rem 1fr;align-items:baseline}}
.facts dt{font:400 var(--fs-label)/1.6 var(--mono);letter-spacing:.06em;color:var(--muted)}
.facts dd{margin:0}
.contact__cta{margin-top:var(--sp-6)}

/* ===== Text page (legal-a-kino-v2.html) ===== */
.page-head{padding-block:var(--sp-7) var(--sp-6)}
@media (min-width:60em){.page-head{padding-block:var(--sp-9) var(--sp-7)}}
.page-head h1{margin:0;font:300 var(--fs-h2)/1 var(--font);letter-spacing:-.045em;overflow-wrap:break-word}
.page-head h1::after{content:"";display:block;width:clamp(4rem,12vw,9rem);height:2px;margin-top:var(--sp-5);background:var(--accent)}

.legal{display:grid;gap:var(--sp-6);padding-bottom:var(--sp-8)}
@media (min-width:60em){.legal{padding-bottom:var(--sp-9)}.legal--toc{grid-template-columns:16rem minmax(0,1fr);gap:var(--sp-8)}}

/* contents (built by site.js from the h2 of the text): <details> on the phone, sticky beside the text from 60em */
.toc{min-width:0}
@media (min-width:60em){.toc{position:sticky;top:calc(var(--label-h) + var(--hdr-h) + var(--sp-5));align-self:start;
  max-height:calc(100vh - var(--label-h) - var(--hdr-h) - var(--sp-6));overflow:auto;overscroll-behavior:contain}}
.toc__box{border-block:1px solid var(--line)}
.toc__sum{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);min-height:var(--tap);
  padding:var(--sp-3) 0;cursor:pointer;list-style:none;font:500 var(--fs-body)/1.3 var(--font)}
.toc__sum::-webkit-details-marker{display:none}
.toc__box[open] .faq__ico::after{transform:rotate(0)}
@media (min-width:60em){
  .toc__box{border-bottom:0}
  .toc__sum{cursor:default;min-height:0;padding:var(--sp-4) 0 var(--sp-3);font:400 var(--fs-label)/1.4 var(--mono);
    letter-spacing:.08em;color:var(--muted)}
  .toc__sum .faq__ico{display:none}
}
.toc__list{list-style:none;margin:0;padding:0 0 var(--sp-3)}
.toc__link{display:flex;align-items:center;gap:var(--sp-3);min-height:var(--tap);padding:var(--sp-2) var(--sp-3);
  border-left:2px solid var(--line);color:var(--muted);text-decoration:none;font-size:var(--fs-small);line-height:1.35;
  transition:color var(--dur-1),background-color var(--dur-1),border-color var(--dur-1)}
.toc__link:hover{background:var(--surface-hover);color:var(--text)}
.toc__link[aria-current="true"]{border-left-color:var(--accent);color:var(--text);font-weight:500}
.toc__n{flex:none;min-width:1.5rem;font:400 var(--fs-label)/1 var(--mono);letter-spacing:.04em}

/* long-form column */
.prose{min-width:0;max-width:68ch;overflow-wrap:break-word}
.prose p{margin:0 0 var(--sp-4)}
.prose__intro{padding-bottom:var(--sp-5)}
.prose__intro p:first-child{font:300 var(--fs-h4)/1.4 var(--font);letter-spacing:-.015em}
.prose-sec{padding-block:var(--sp-6) var(--sp-4);border-top:1px solid var(--line)}
.prose-sec__n{display:block;margin-bottom:var(--sp-2);font:400 var(--fs-label)/1.6 var(--mono);letter-spacing:.08em;color:var(--muted)}
.prose h2{margin:0 0 var(--sp-5);font:400 var(--fs-h3)/1.15 var(--font);letter-spacing:-.025em}
.prose h2:focus{outline:none}
.prose h3{margin:var(--sp-6) 0 var(--sp-3);font:500 var(--fs-body)/1.4 var(--font)}
.prose ul{margin:0 0 var(--sp-5);padding-left:1.25rem}
.prose li{margin-bottom:var(--sp-2);padding-left:var(--sp-1)}
.prose li::marker{color:var(--muted)}
.prose a:not(.link){color:var(--link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.2em;
  transition:color var(--dur-1)}
.prose a:not(.link):hover{color:var(--link-hover)}
.prose__end{padding-top:var(--sp-5);border-top:1px solid var(--line)}

/* back to top: floating round button (JS shows it after one screen) */
.totop{position:fixed;right:var(--gutter);bottom:var(--sp-4);z-index:50;background:var(--bg);
  opacity:0;visibility:hidden;transform:translateY(.75rem);
  transition:opacity var(--dur-2) var(--ease-out),transform var(--dur-2) var(--ease-out),visibility var(--dur-2),background-color var(--dur-1)}
.totop.is-shown{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--surface-hover)}

/* ===== Footer ===== */
.foot{padding-block:var(--sp-7) var(--sp-5);border-top:1px solid var(--line);overflow:hidden}
.foot__mark{display:flex;justify-content:space-between;margin:0 0 var(--sp-6);font:300 var(--fs-mark)/.8 var(--font);
  letter-spacing:-.06em;user-select:none}
.fm{display:inline-block;overflow:hidden;padding-block:.08em .02em}
.fm>span{display:inline-block}
.foot__row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-2) var(--sp-5);
  font-size:var(--fs-small);color:var(--muted)}
.foot__nav{display:flex;flex-wrap:wrap;align-items:center;gap:0 var(--sp-3)}
.foot__nav a{display:inline-flex;align-items:center;min-height:var(--tap);color:var(--text);text-underline-offset:.25em}
.foot__nav a:hover{color:var(--link)}

/* ===== Full-screen menu ===== */
.menu{position:fixed;inset:0;width:100%;max-width:none;height:100%;max-height:none;margin:0;padding:0;border:0;overflow:auto;
  background:var(--screen);color:var(--on-screen);--focus:var(--screen-focus)}
.menu[open]{display:flex;flex-direction:column}
.menu::backdrop{background:transparent}
.menu__top{display:flex;align-items:center;justify-content:space-between;min-height:var(--hdr-h);padding-inline:var(--gutter);
  border-bottom:1px solid var(--screen-line)}
.menu .logo{color:var(--on-screen)}
.menu__close{min-height:var(--tap);padding:0 var(--sp-4);border-radius:var(--radius-pill);border:1px solid var(--on-screen);
  background:transparent;color:var(--on-screen);font:500 var(--fs-small)/1 var(--font)}
.menu__close:hover{background:var(--on-screen);color:var(--screen)}
.menu__list{list-style:none;margin:auto 0;padding:var(--sp-6) var(--gutter)}
.menu__link{display:flex;align-items:baseline;gap:var(--sp-4);min-height:var(--tap);padding-block:var(--sp-1);
  color:var(--on-screen);text-decoration:none;font:300 var(--fs-menu)/1.05 var(--font);letter-spacing:-.045em}
.menu__n{font:400 var(--fs-label)/1 var(--mono);color:var(--on-screen-muted);min-width:1.75rem}
.menu__w{display:inline-block;overflow:hidden;padding-bottom:.08em}
.menu__w>span{display:inline-block}
.menu__list:hover .menu__link:not(:hover),.menu__list:focus-within .menu__link:not(:focus-visible):not(:hover){color:var(--on-screen-muted)}
.menu__foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--sp-3);padding:var(--sp-5) var(--gutter);
  border-top:1px solid var(--screen-line);font-size:var(--fs-small);color:var(--on-screen-muted)}
.menu__foot .link{color:var(--accent)}
.menu__foot .link:hover{color:var(--on-screen)}

/* ===== Cursor ===== */
.cursor{display:none;position:fixed;left:0;top:0;z-index:300;pointer-events:none;mix-blend-mode:difference;opacity:0;
  visibility:hidden;transition:opacity var(--dur-1),visibility 0s var(--dur-1)}
.cursor.is-on{opacity:1;visibility:visible;transition:opacity var(--dur-1)}
.cursor__ring{position:absolute;left:-.75rem;top:-.75rem;width:1.5rem;height:1.5rem;border:1px solid var(--cursor);border-radius:50%;
  transition:transform .45s var(--ease-out),background-color var(--dur-1)}
.cursor[data-state="link"] .cursor__ring{transform:scale(1.9)}
.cursor[data-state="row"] .cursor__ring{transform:scale(2.6)}
@media (pointer:fine) and (prefers-reduced-motion:no-preference){.js-ready .cursor{display:block}}

/* ===== Keyframes ===== */
@keyframes rise{from{transform:translateY(105%)}}
@keyframes fadeup{from{opacity:0;transform:translateY(1.5rem)}}
@keyframes drift{to{transform:translate(-25%,12%) scale(1.15)}}
@keyframes scan{0%{transform:scaleX(0);transform-origin:0 50%}45%{transform:scaleX(1);transform-origin:0 50%}
  55%{transform:scaleX(1);transform-origin:100% 50%}100%{transform:scaleX(0);transform-origin:100% 50%}}
@keyframes mq{to{transform:translateX(-50%)}}
@keyframes roll{from{transform:translateY(100%)}}
@keyframes g-seo{0%,100%{transform:translate(0,0)}25%{transform:translate(-14px,-12px)}50%{transform:translate(-22px,4px)}75%{transform:translate(-6px,12px)}}
@keyframes g-ring{50%{transform:scale(.7)}}
@keyframes g-line{0%{stroke-dashoffset:100}45%,70%{stroke-dashoffset:0}100%{stroke-dashoffset:-100}}
@keyframes g-sq{50%{transform:rotate(90deg) scale(.85)}100%{transform:rotate(180deg)}}
@keyframes g-orb{50%{transform:translate(-12px,-12px)}}
@keyframes g-bar{50%{transform:scaleY(.35)}}
@keyframes g-trav{0%,100%{transform:translate(0,0)}33%{transform:translate(-20px,38px)}66%{transform:translate(20px,38px)}}
@keyframes grow-x{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes grow-y{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes para{to{transform:translateY(22%)}}
@keyframes hero-out{to{transform:translateY(-12%)}}
@keyframes lit{from{color:var(--muted)}to{color:var(--text)}}
@keyframes step-in{from{transform:translateX(-1.5rem)}to{transform:none}} /* no opacity: text keeps >= 4.5:1 at every frame (Lighthouse 07.10) */
@keyframes vt-out{to{opacity:0;transform:translateY(-3vh) scale(.98)}}
@keyframes vt-in{from{clip-path:inset(100% 0 0 0)}to{clip-path:inset(0)}}

/* "Pause motion": stop decorative loops only (never the reveals, so nothing stays half-hidden) */
[data-motion="off"] .loop,[data-motion="off"] .loop::before,[data-motion="off"] .loop::after,
[data-motion="off"] .loop *,[data-motion="off"] .loop *::before{animation-play-state:paused!important}

/* ===== Motion: only when the user has not asked for less ===== */
@media (prefers-reduced-motion:no-preference){
  @view-transition{navigation:auto}
  ::view-transition-old(root){animation:vt-out .5s var(--ease-io) both}
  ::view-transition-new(root){animation:vt-in .8s var(--ease-out) both}
  html.vt-theme::view-transition-old(root),html.vt-theme::view-transition-new(root){animation:none;mix-blend-mode:normal}

  /* intro: headline words rise from their masks (spans are added by site.js) */
  .wm>span{animation:rise var(--dur-3) var(--ease-out) both;animation-delay:calc(var(--i) * 70ms + 200ms)}
  .hero__side{animation:fadeup var(--dur-3) var(--ease-out) .8s both}

  /* menu: words rise one after another */
  .menu[open]{clip-path:inset(0);transition:clip-path .7s var(--ease-io)}
  .menu[open] .menu__w>span{transition:transform .9s var(--ease-out) calc(var(--i) * 70ms + 200ms)}
  .menu.is-closing{clip-path:inset(0 0 100% 0)}
  .menu.is-closing .menu__w>span{transform:translateY(-110%);transition-duration:.35s;transition-delay:0s}
  @starting-style{
    .menu[open]{clip-path:inset(100% 0 0 0)}
    .menu[open] .menu__w>span{transform:translateY(110%)}
  }

  /* IntersectionObserver reveals — hidden state only exists when JS is running (.js-ready gate) */
  .js-ready [data-reveal] .ln>span{transform:translateY(105%);transition:transform 1.1s var(--ease-out)}
  .js-ready [data-reveal].is-in .ln>span{transform:none}
  .js-ready .svc__row[data-reveal]{clip-path:inset(0 0 100% 0);transform:translateY(2rem);
    transition:clip-path 1s var(--ease-out) calc(var(--i) * 70ms),transform 1s var(--ease-out) calc(var(--i) * 70ms)}
  .js-ready .svc__row[data-reveal].is-in{clip-path:inset(0 0 -1px 0);transform:none}
  .js-ready .faq__item[data-reveal]{opacity:0;transform:translateY(1.5rem);transition:opacity .8s,transform .8s var(--ease-out)}
  .js-ready .faq__item[data-reveal].is-in{opacity:1;transform:none}
  .js-ready .foot__mark[data-reveal] .fm>span{transform:translateY(105%);
    transition:transform 1.3s var(--ease-out) calc(var(--i) * 55ms)}
  .js-ready .foot__mark[data-reveal].is-in .fm>span{transform:none}

  .faq__item::details-content{block-size:0;overflow:hidden;
    transition:block-size var(--dur-2) var(--ease-out),content-visibility var(--dur-2) allow-discrete}
  .faq__item[open]::details-content{block-size:auto}

  /* Scroll-driven (no JS). Without support everything simply stays in its final state. */
  @supports (animation-timeline:view()){
    .progress{display:block;animation:grow-x linear both;animation-timeline:scroll(root)}
    .hero__bg{animation:para linear both;animation-timeline:scroll(root);animation-range:0 100vh}
    .hero__foot{animation:hero-out linear both;animation-timeline:scroll(root);animation-range:0 100vh}
    .js-ready .js-words .w{animation:lit linear both;animation-timeline:view();animation-range:cover 8% cover 42%}
    .steps::after{animation:grow-y linear both;animation-timeline:view();animation-range:cover 25% cover 75%}
    .step{animation:step-in linear both;animation-timeline:view();animation-range:entry 0% entry 90%}
  }
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  ::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none!important}
  [data-motion-toggle]{display:none!important}
  .js-ready .marquee__track{transform:none!important}
}
@media print{
  .topbar,.cursor,.marquee,.skip,.toc,.totop,.foot__mark,.menu{display:none!important}
  :root,:root[data-theme]{--bg:#fff;--text:#000;--muted:#333;--link:#000;--line:#999}
  body{padding-top:0}
  .on-screen{--screen:#fff;--on-screen:#000;--on-screen-muted:#333}
}

.foot__nav a[aria-current="page"]{text-decoration-thickness:2px}
.marquee:empty{display:none}

/* text page: calm reveals, vertical only, hidden state exists only while JS runs */
@media (prefers-reduced-motion:no-preference){
  .js-ready .prose-sec[data-reveal]{opacity:0;transform:translateY(1rem);
    transition:opacity var(--dur-3) var(--ease-out),transform var(--dur-3) var(--ease-out)}
  .js-ready .prose-sec[data-reveal].is-in{opacity:1;transform:none}
  .toc__box::details-content{block-size:0;overflow:hidden;
    transition:block-size var(--dur-2) var(--ease-out),content-visibility var(--dur-2) allow-discrete}
  .toc__box[open]::details-content{block-size:auto}
  .toc__box.is-jump::details-content{transition:none} /* link click: collapse at once so the scroll target does not move */
}
@media print{
  [data-reveal]{opacity:1!important;transform:none!important}
  .legal{display:block}
  .prose{max-width:none}
}