@font-face {
  font-family: "Archivo Expanded";
  src: url("/amaro/assets/fonts/archivo-expanded-regular.ttf") format("truetype");
  font-style: normal; font-weight: 400; font-display: swap;
}
@font-face {
  font-family: "Archivo Expanded";
  src: url("/amaro/assets/fonts/archivo-expanded-medium.ttf") format("truetype");
  font-style: normal; font-weight: 500; font-display: swap;
}
@font-face {
  font-family: "Archivo Expanded";
  src: url("/amaro/assets/fonts/archivo-expanded-semibold.ttf") format("truetype");
  font-style: normal; font-weight: 600; font-display: swap;
}
@font-face {
  font-family: "Archivo Expanded";
  src: url("/amaro/assets/fonts/archivo-expanded-black.ttf") format("truetype");
  font-style: normal; font-weight: 900; font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("/amaro/assets/fonts/archivo-regular.ttf") format("truetype");
  font-style: normal; font-weight: 400; font-display: swap;
}
@font-face {
  font-family: "Archivo";
  src: url("/amaro/assets/fonts/archivo-medium.ttf") format("truetype");
  font-style: normal; font-weight: 500; font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f3f2ed; --surface: #faf9f5; --surface-cold: #ecede9;
  --ink: #171817; --ink-soft: #353633; --muted: #62635f; --quiet: #898a84;
  --line: #c9c8c0; --line-strong: #323330;
  --signal: #c8322a; --signal-soft: #f0e4e0; --ok: #35664f; --focus: #8d8e88; --reverse: #f5f4ef;
  --csd-bg: #e4e4e2; --csd-ink: #111211;
  --re-bg: #12263a; --re-ink: #e1e5e6;
  --amd-bg: #858a80; --amd-ink: #151917;
  --gutter: clamp(24px, 3.35vw, 52px); --header-h: 72px; --section-y: clamp(76px, 9vw, 136px);
  --ease: cubic-bezier(.2, .7, .2, 1); --enter: cubic-bezier(.22, 1, .36, 1);
  --display: "Archivo Expanded", "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: "Archivo", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "Roboto Mono", "Noto Sans Mono", monospace;
  --overlay-scrim: rgba(23,24,23,.35);
  --panel-edge: rgba(23,24,23,.18);
  --nav-hover-fill: rgba(23,24,23,.03);
  --footer-bg: #141514; --footer-ink: #f5f4ef; --footer-muted: #8f908a;
  --footer-link: #e8e7e1; --footer-line: rgba(245,244,239,.12);
  --callout-caution-bg: #f7f3ea; --callout-caution-edge: #8a6a2a;
  --callout-danger-bg: #f6e9e6;
  --theme-color: #f3f2ed;
}

/* Dark: warm institutional graphite — archive room, not OLED black.
   Borders stay subdued (never inverted white lines). Division brand colors preserved. */
html[data-theme="dark"] {
  color-scheme: dark;
  --paper: #121311;
  --surface: #1a1b19;
  --surface-cold: #161715;
  --ink: #ecebe5;
  --ink-soft: #bcbbb4;
  --muted: #8c8b84;
  --quiet: #65645e;
  --line: #2a2b28;
  --line-strong: #4e4f4a;
  --signal: #d6453d;
  --signal-soft: #2a1715;
  --ok: #5f8f78;
  --focus: #9c9d97;
  --reverse: #121311;
  --csd-bg: #e2e1dd;
  --csd-ink: #111211;
  --re-bg: #102234;
  --re-ink: #e4e7e8;
  --amd-bg: #7d8279;
  --amd-ink: #141816;
  --overlay-scrim: rgba(8,9,8,.62);
  --panel-edge: rgba(18,19,17,.22);
  --nav-hover-fill: rgba(235,234,228,.05);
  --footer-bg: #0a0b0a;
  --footer-ink: #e6e5df;
  --footer-muted: #7a7973;
  --footer-link: #c9c8c1;
  --footer-line: rgba(235,234,228,.1);
  --callout-caution-bg: #221f14;
  --callout-caution-edge: #b8953a;
  --callout-danger-bg: #261614;
  --theme-color: #121311;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper);scrollbar-width:none;-ms-overflow-style:none;overscroll-behavior:none}
html::-webkit-scrollbar{display:none;width:0;height:0}
body{margin:0;min-width:320px;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.625;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;scrollbar-width:none;-ms-overflow-style:none;overscroll-behavior:none}
body::-webkit-scrollbar{display:none;width:0;height:0}
body.overlay-open{overflow:hidden}
button,input,select,textarea{color:inherit;font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{border:0}a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
p,h1,h2,h3,dl,dd,figure,ol,ul{margin:0}ul,ol{padding:0}
:focus{outline:none}
:focus-visible{outline:1px solid var(--focus);outline-offset:2px}
::selection{background:var(--signal);color:#fff}
html[data-theme="dark"] ::selection{background:var(--signal);color:#f7f4f1}
.skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:10px 14px;background:var(--ink);color:var(--reverse);transform:translateY(-160%);transition:transform 120ms var(--ease)}
.skip-link:focus{transform:translateY(0)}
.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}

/* header */
.site-header{position:sticky;z-index:120;top:0;display:grid;grid-template-columns:56px 1fr auto;align-items:center;height:var(--header-h);padding:0 var(--gutter);border-bottom:1px solid var(--line-strong);background:var(--paper);gap:16px;overflow:visible}
.brand{display:flex;align-items:center;justify-self:start;min-width:44px;height:100%}
.brand .brand-symbol{width:40px;height:26px;object-fit:contain}
html[data-theme="dark"] .brand-symbol{filter:invert(1) brightness(.94)}
.nav-slider{display:block;justify-self:center;width:min(420px,100%);max-width:100%;position:relative;z-index:130}
.nav-slider-frame{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));width:100%;height:40px;border:1px solid var(--line-strong);background:var(--surface)}
.nav-slider-thumb{position:absolute;top:0;left:0;z-index:0;width:calc(100% / 3);height:100%;background:var(--ink);opacity:0;transform:translateX(calc(var(--nav-i,0) * 100%));transition:transform 280ms var(--enter),opacity 180ms var(--ease);pointer-events:none}
.nav-slider-thumb.is-hover{background:var(--ink);opacity:0;transform:translateX(calc(var(--nav-hover-i,0) * 100%))}
.nav-slider[data-active] .nav-slider-thumb:not(.is-hover){opacity:1}
.nav-slider.is-hovering .nav-slider-thumb.is-hover{opacity:.1}
html[data-theme="dark"] .nav-slider.is-hovering .nav-slider-thumb.is-hover{opacity:.14}
.nav-slider-slot{position:relative;z-index:1;display:flex;min-width:0;height:100%}
.nav-slider-item{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-width:0;height:100%;padding:0 10px;border:0;background:transparent;color:var(--ink-soft);font-family:var(--display);font-size:12px;letter-spacing:.04em;line-height:1;white-space:nowrap;cursor:pointer;transition:color 180ms var(--ease)}
.nav-slider-item:hover{color:var(--ink)}
.nav-slider-item.is-current,.nav-slider-slot.is-current > .nav-slider-item{color:var(--reverse)}
.nav-slider-item--link{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:center;justify-items:stretch}
.nav-slider-item--link > span{grid-column:2;justify-self:center}
.nav-slider-item--link .icon-tri{grid-column:3;justify-self:start;width:8px;height:10px;margin-left:8px;opacity:0;transform:translateX(-5px);transition:opacity 180ms var(--ease),transform 220ms var(--enter)}
.nav-slider-item--link:hover .icon-tri,.nav-slider-item--link:focus-visible .icon-tri{opacity:1;transform:translateX(0)}
.nav-slider-item--link.is-current .icon-tri{color:var(--reverse)}
.nav-flyout-shell{position:absolute;top:calc(100% - 1px);left:0;right:0;z-index:1;display:grid;grid-template-rows:0fr;border:1px solid transparent;background:var(--paper);transition:grid-template-rows 360ms var(--enter),border-color 160ms var(--ease)}
.nav-slider.is-open .nav-flyout-shell{grid-template-rows:1fr;border-color:var(--line-strong)}
.nav-flyout-shell-inner{min-height:0;overflow:hidden}
.nav-flyout{display:none}
.nav-flyout.is-open{display:block}
.nav-flyout-panel{display:grid;grid-template-columns:repeat(var(--flyout-columns,3),minmax(0,1fr));min-height:0}
.nav-flyout-link{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:0 18px;color:var(--ink-soft);font-family:var(--display);font-size:13px;letter-spacing:.01em;line-height:1.2;border-right:1px solid var(--line);opacity:0;transform:translateY(-12px);transition:opacity 240ms var(--ease),transform 320ms var(--enter),color 160ms var(--ease),background-color 160ms var(--ease)}
.nav-flyout-link:last-child{border-right:0}
.nav-flyout.is-open .nav-flyout-link{opacity:1;transform:translateY(0);transition-delay:calc(90ms + var(--i,0) * 65ms)}
.nav-flyout-link .icon-tri{width:9px;height:11px;color:var(--quiet);opacity:0;transform:translateX(-6px);transition:opacity 180ms var(--ease),transform 220ms var(--enter)}
.nav-flyout-link:hover{color:var(--ink);background:var(--surface)}
.nav-flyout-link:hover .icon-tri,.nav-flyout-link.is-current .icon-tri{opacity:1;transform:translateX(0)}
.nav-flyout-link.is-current{color:var(--ink)}
.nav-flyout-label{min-width:0}
.header-tools{display:flex;align-items:center;justify-content:flex-end;justify-self:end;gap:2px;position:relative}
.locale-menu,.theme-menu{position:relative}
.locale-toggle,.theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;min-width:40px;min-height:40px;padding:0;border:1px solid transparent;cursor:pointer;background:transparent;color:var(--ink)}
.locale-toggle:hover,.locale-menu.is-open .locale-toggle,.theme-toggle:hover,.theme-menu.is-open .theme-toggle{border-color:var(--line-strong);background:var(--surface)}
.locale-globe,.theme-icon{display:block;width:20px;height:20px}
.locale-dropdown,.theme-dropdown{position:absolute;top:calc(100% + 6px);right:0;z-index:130;min-width:128px;border:1px solid var(--line-strong);background:var(--paper)}
.locale-option,.theme-option{display:flex;align-items:center;min-height:40px;padding:0 14px;width:100%;border:0;background:transparent;cursor:pointer;font-family:var(--display);font-size:12px;color:var(--ink-soft);text-align:left}
.locale-option:hover,.locale-option.is-current,.theme-option:hover,.theme-option.is-current{color:var(--ink);background:var(--surface-cold)}
.locale-option.is-current,.theme-option.is-current{font-weight:500}

main{min-height:58vh}
.page-blank{min-height:calc(100svh - var(--header-h) - 96px)}
.text-link{display:inline-flex;align-items:center;gap:18px;min-height:44px;border-bottom:1px solid currentColor;font-family:var(--display);font-size:13px;line-height:1}
.text-link .icon-tri{transition:transform 120ms var(--ease)}
.text-link:hover .icon-tri{transform:translateX(3px)}

/* Design mark: right triangle, soft corners */
.icon-tri{display:inline-block;flex:0 0 auto;width:.62em;height:.74em;fill:currentColor;vertical-align:-.06em}

/* home */
.home-page{display:flex;flex-direction:column;min-height:calc(100svh - var(--header-h))}
.division-stage{display:flex;flex:0 0 auto;flex-direction:row;align-items:stretch;height:calc(100svh - var(--header-h));min-height:560px;overflow:hidden}
.division-panel{position:relative;display:flex;flex:1 1 0;flex-direction:column;align-items:center;justify-content:center;gap:clamp(28px,4vh,48px);min-width:0;height:100%;padding:clamp(28px,4vw,48px) clamp(20px,3vw,40px);overflow:hidden;transition:flex 520ms var(--enter),background-color 180ms var(--ease),color 180ms var(--ease),padding 520ms var(--enter)}
.division-panel + .division-panel{border-left:1px solid var(--panel-edge)}
.division-csd{background:var(--csd-bg);color:var(--csd-ink);view-transition-name:division-csd}
.division-re{background:var(--re-bg);color:var(--re-ink);view-transition-name:division-re}
.division-amd{background:var(--amd-bg);color:var(--amd-ink);view-transition-name:division-amd}
.division-logo{display:block;width:min(78%,340px);height:auto;max-height:min(42vh,320px);object-fit:contain;transition:width 520ms var(--enter),max-height 520ms var(--enter),transform 520ms var(--enter),opacity 320ms var(--ease)}
.division-re .division-logo{filter:invert(1)}
.division-cta{display:inline-flex;align-items:center;justify-content:center;gap:12px;max-width:100%;font-family:var(--display);font-size:clamp(15px,1.35vw,20px);letter-spacing:-.01em;line-height:1.2;text-align:center;transition:font-size 520ms var(--enter),gap 520ms var(--enter),opacity 320ms var(--ease),transform 520ms var(--enter)}
.division-cta .icon-tri{flex:0 0 auto;width:.55em;height:.66em;margin:0;transform-origin:center;transition:transform 140ms var(--ease)}
.division-panel:hover .division-logo{transform:scale(1.04)}
.division-panel:hover .division-cta .icon-tri{transform:translateX(4px)}
.division-csd:hover{background:#d8d8d5}
.division-re:hover{background:#0e1d2d}
.division-amd:hover{background:#7a7f76}
html[data-theme="dark"] .division-csd:hover{background:#d4d3cf}
html[data-theme="dark"] .division-re:hover{background:#0c1c2e}
html[data-theme="dark"] .division-amd:hover{background:#72776e}

.home-page--division{background:var(--paper)}
.division-stage.is-expanded{height:calc(100svh - var(--header-h));min-height:560px;flex:0 0 auto}
.division-stage.is-expanded .division-panel{flex:1 1 0;min-width:0;padding-inline:12px;gap:18px}
.division-stage.is-expanded .division-panel.is-selected{flex:7 1 0;padding-inline:clamp(24px,5vw,88px)}
.division-stage.is-expanded .division-panel:not(.is-selected) .division-logo{width:42px;max-height:76px;opacity:.5;transform:scale(.78)}
.division-stage.is-expanded .division-panel:not(.is-selected) .division-cta{font-size:11px;gap:0;writing-mode:vertical-rl;text-orientation:mixed;transform:none;opacity:.74}
/* Vertical side rails: hide right-arrow — it stays horizontal and drifts during the expand slide */
.division-stage.is-expanded .division-panel:not(.is-selected) .division-cta .icon-tri{display:none}
.division-stage.is-expanded .division-panel:not(.is-selected):hover .division-cta .icon-tri{transform:none}
.division-stage.is-expanded .division-panel.is-selected .division-logo{width:min(56%,430px);max-height:min(48vh,380px)}
.division-stage.is-expanded .division-panel.is-selected .division-cta{font-size:clamp(18px,1.8vw,28px);gap:16px;writing-mode:horizontal-tb;text-orientation:mixed}
.division-stage.is-expanded .division-panel.is-selected .division-cta .icon-tri{display:inline-block;transform:none}
.division-stage.is-expanded .division-panel.is-selected:hover .division-cta .icon-tri{transform:translateX(4px)}

::view-transition-group(root){animation-duration:180ms;animation-timing-function:var(--ease)}
::view-transition-old(root),::view-transition-new(root){animation-duration:180ms;animation-timing-function:var(--ease)}
::view-transition-group(division-csd),::view-transition-group(division-re),::view-transition-group(division-amd){animation-duration:520ms;animation-timing-function:var(--enter)}

/* division detail — editorial reading flow */
.division-detail{background:var(--paper);border-top:1px solid var(--line-strong)}
.division-detail-lead{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));padding:clamp(64px,9vw,136px) var(--gutter) clamp(56px,7vw,104px)}
.division-detail-lead p{grid-column:4 / span 6;max-width:48ch;color:var(--ink-soft);font-family:var(--display);font-size:clamp(20px,2.1vw,32px);line-height:1.35;letter-spacing:-.025em}
.division-section{min-width:0}
.division-section--text,.division-section--list{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(32px,6vw,96px)}
.division-section-heading h2,.division-section-content h2{font-family:var(--display);font-size:clamp(28px,3.1vw,48px);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.division-section-content{min-width:0}
.division-copy{max-width:48em;color:var(--ink-soft);font-size:clamp(16px,1.15vw,18px);line-height:1.7}
.division-copy p{margin:0 0 1.2em}
.division-copy p:last-child{margin-bottom:0}
.division-item-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));list-style:none;border-top:1px solid var(--line-strong)}
.division-item-list li{min-width:0;padding:18px 16px 18px 0;border-bottom:1px solid var(--line);font-family:var(--display);font-size:clamp(15px,1.25vw,19px);line-height:1.35}
.division-section--image{padding:0 var(--gutter) var(--section-y);border-top:1px solid var(--line-strong)}
.division-media{margin:0;overflow:hidden;background:var(--surface-cold)}
.division-media--wide img{width:100%;aspect-ratio:3/2;object-fit:cover}
.division-section--media-text{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:clamp(32px,6vw,96px);align-items:center}
.division-section--media-text.is-flip .division-media{order:2}
.division-section--media-text.is-flip .division-section-content{order:1}
.division-media--detail img{width:100%;aspect-ratio:4/3;object-fit:cover}
.division-section--media-text .division-section-content{display:grid;align-content:center;gap:24px}
.division-section--media-text .division-copy{font-size:clamp(16px,1.1vw,17px)}
.division-cta-link{display:inline-flex;align-items:center;gap:16px;width:max-content;min-height:44px;border-bottom:1px solid currentColor;font-family:var(--display);font-size:14px;line-height:1;transition:gap 160ms var(--ease),opacity 160ms var(--ease)}
.division-cta-link:hover{gap:20px;opacity:.7}

/* research vision — editorial index, OpenAI-like rhythm, AMARO tokens */
.content-section{padding:var(--section-y) var(--gutter);border-top:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:clamp(28px,3.5vw,48px)}
.section-head h2{font-family:var(--display);font-size:clamp(28px,3.1vw,48px);font-weight:400;line-height:1.05;letter-spacing:-.035em}

.vision-page{background:var(--paper)}
.vision-hero{padding:clamp(72px,9vw,132px) var(--gutter) clamp(40px,5vw,72px)}
.vision-hero-copy{max-width:920px}
.vision-kicker{margin:0 0 18px;color:var(--muted);font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.vision-hero h1{margin:0;font-family:var(--display);font-size:clamp(52px,7vw,108px);font-weight:400;line-height:.92;letter-spacing:-.05em}
.vision-lead{margin:clamp(28px,3.5vw,44px) 0 0;max-width:42em;color:var(--ink-soft);font-family:var(--display);font-size:clamp(18px,1.85vw,28px);line-height:1.35;letter-spacing:-.02em}

.vision-hero-media{margin:0;padding:0 var(--gutter) clamp(48px,6vw,88px);border:0}
.vision-hero-media img{width:100%;aspect-ratio:21/9;object-fit:cover;background:var(--surface-cold)}

.vision-intro{padding-top:clamp(56px,7vw,96px)}
.vision-intro-copy{max-width:46em}
.vision-intro-copy p{margin:0 0 1.2em;color:var(--ink-soft);font-size:clamp(16px,1.15vw,18px);line-height:1.7}
.vision-intro-copy p:last-child{margin-bottom:0}

.vision-clinical{padding-bottom:clamp(64px,8vw,120px)}
.vision-section-lead{max-width:40em;margin:0 0 clamp(40px,5vw,72px);color:var(--ink-soft);font-family:var(--display);font-size:clamp(17px,1.6vw,24px);line-height:1.4;letter-spacing:-.015em}

.vision-feature-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.9fr);gap:clamp(28px,3.5vw,48px);align-items:start}
.vision-feature{display:grid;gap:18px;min-width:0}
.vision-feature-media{margin:0;overflow:hidden;background:var(--surface-cold);aspect-ratio:16/10}
.vision-feature--side .vision-feature-media{aspect-ratio:16/9}
.vision-feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--enter)}
.vision-feature:hover .vision-feature-media img{transform:scale(1.03)}
.vision-feature-copy{display:grid;gap:12px;padding-top:2px}
.vision-feature-copy h3{margin:0;font-family:var(--display);font-size:clamp(20px,2vw,30px);font-weight:400;line-height:1.18;letter-spacing:-.025em}
.vision-feature--side .vision-feature-copy h3{font-size:clamp(17px,1.45vw,22px)}
.vision-feature-copy p{margin:0;max-width:44em;color:var(--ink-soft);font-size:15px;line-height:1.6}
.vision-feature-stack{display:grid;gap:clamp(28px,3.5vw,40px)}

.vision-methods{background:var(--surface-cold);border-top:1px solid var(--line-strong)}
.vision-methods-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.95fr);gap:clamp(36px,6vw,96px);align-items:center}
.vision-methods-copy h2{margin:0 0 clamp(22px,2.5vw,34px);font-family:var(--display);font-size:clamp(28px,3.1vw,48px);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.vision-methods-copy p{margin:0;max-width:40em;color:var(--ink-soft);font-size:clamp(16px,1.15vw,18px);line-height:1.7}
.vision-methods-media{margin:0;overflow:hidden;background:var(--paper);aspect-ratio:4/3}
.vision-methods-media img{width:100%;height:100%;object-fit:cover}

/* research overview — chapter essays */
.overview-page{background:var(--paper)}
.overview-chapters{border-top:1px solid var(--line-strong)}
.overview-chapter{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(32px,5vw,80px);align-items:start;padding:clamp(56px,7vw,112px) var(--gutter);border-bottom:1px solid var(--line)}
.overview-chapter.is-flip{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}
.overview-chapter.is-flip .overview-chapter-media{order:2}
.overview-chapter.is-flip .overview-chapter-copy{order:1}
.overview-chapter-media{margin:0;overflow:hidden;background:var(--surface-cold);aspect-ratio:16/10}
.overview-chapter-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--enter)}
.overview-chapter:hover .overview-chapter-media img{transform:scale(1.03)}
.overview-chapter-copy{display:grid;align-content:start;gap:0;padding-top:clamp(4px,1vw,12px)}
.overview-chapter-copy h2{margin:0 0 clamp(22px,2.5vw,34px);font-family:var(--display);font-size:clamp(32px,3.6vw,56px);font-weight:400;line-height:1.02;letter-spacing:-.04em}
.overview-chapter-copy p{margin:0 0 1.15em;max-width:40em;color:var(--ink-soft);font-size:clamp(15px,1.1vw,17px);line-height:1.7}
.overview-chapter-copy p:last-child{margin-bottom:0}

/* research safety — varied OpenAI-like rhythm */
.safety-page{background:var(--paper)}
.safety-feature{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.85fr);gap:clamp(32px,5vw,72px);align-items:end;padding-top:clamp(56px,7vw,96px);padding-bottom:clamp(56px,7vw,96px);border-top:1px solid var(--line-strong)}
.safety-feature-media{margin:0;overflow:hidden;background:var(--surface-cold);aspect-ratio:4/3}
.safety-feature-media img{width:100%;height:100%;object-fit:cover}
.safety-feature-copy h2{margin:0 0 clamp(18px,2vw,28px);font-family:var(--display);font-size:clamp(28px,3.2vw,48px);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.safety-feature-copy p{margin:0;max-width:36em;color:var(--ink-soft);font-size:clamp(15px,1.1vw,17px);line-height:1.7}

.safety-reading{max-width:46em;padding-top:clamp(64px,8vw,120px);padding-bottom:clamp(64px,8vw,120px)}
.safety-reading h2{margin:0 0 clamp(22px,2.5vw,34px);font-family:var(--display);font-size:clamp(28px,3.2vw,48px);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.safety-reading p{margin:0 0 1.2em;color:var(--ink-soft);font-size:clamp(15px,1.1vw,17px);line-height:1.7}
.safety-reading p:last-child{margin-bottom:0}

.safety-media-block{border-top:1px solid var(--line)}
.safety-media-figure{margin:0;padding:0 var(--gutter);overflow:hidden}
.safety-media-figure img{width:100%;aspect-ratio:21/9;object-fit:cover;background:var(--surface-cold)}
.safety-media-copy{max-width:46em;padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(64px,8vw,112px);border-top:0}
.safety-media-copy h2{margin:0 0 clamp(22px,2.5vw,34px);font-family:var(--display);font-size:clamp(28px,3.2vw,48px);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.safety-media-copy p{margin:0 0 1.2em;color:var(--ink-soft);font-size:clamp(15px,1.1vw,17px);line-height:1.7}
.safety-media-copy p:last-child{margin-bottom:0}

.safety-band{padding:clamp(72px,9vw,140px) var(--gutter);background:var(--surface-cold);border-top:1px solid var(--line-strong)}
.safety-band-inner{max-width:42em}
.safety-band h2{margin:0 0 clamp(22px,2.5vw,34px);font-family:var(--display);font-size:clamp(28px,3.2vw,48px);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.safety-band p{margin:0;color:var(--ink-soft);font-size:clamp(16px,1.2vw,19px);line-height:1.65}

/* about */
.about-page{background:var(--paper)}
.about-hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:clamp(48px,8vw,140px);align-items:end;padding:clamp(72px,10vw,150px) var(--gutter) clamp(48px,6vw,88px)}
.about-hero h1{margin:0;font-family:var(--display);font-size:clamp(64px,10vw,156px);font-weight:400;line-height:.82;letter-spacing:-.065em}
.about-hero>p{max-width:28em;margin:0;color:var(--ink-soft);font-family:var(--display);font-size:clamp(18px,1.8vw,28px);line-height:1.35;letter-spacing:-.02em}
.about-hero-media,.about-interior-media{margin:0;padding:0 var(--gutter) clamp(56px,7vw,104px)}
.about-hero-media img,.about-interior-media img{display:block;width:100%;aspect-ratio:21/9;object-fit:cover;background:var(--surface-cold)}
.about-introduction{display:grid;grid-template-columns:minmax(140px,.32fr) minmax(0,1fr);gap:clamp(32px,6vw,96px)}
.about-section-index{color:var(--muted);font-family:var(--mono);font-size:11px;letter-spacing:.1em}
.about-introduction>div{max-width:50em}
.about-introduction p{margin:0 0 1.15em;color:var(--ink-soft);font-family:var(--display);font-size:clamp(20px,2.1vw,34px);line-height:1.35;letter-spacing:-.025em}
.about-introduction p:last-child{margin-bottom:0}
.about-organization h2,.about-employees h2{margin:0;font-family:var(--display);font-size:clamp(34px,4.4vw,68px);font-weight:400;line-height:.98;letter-spacing:-.045em}
.about-principles h2{margin:0;font-family:var(--display);font-size:clamp(22px,2.4vw,34px);font-weight:400;line-height:1.05;letter-spacing:-.03em}
.about-division-grid>article>span,.about-principles article>span{color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.1em}
.about-division-grid h3,.about-employee h3{margin:0;font-family:var(--display);font-size:clamp(19px,1.8vw,27px);font-weight:400;line-height:1.12}
.about-principles h3{margin:0;font-family:var(--display);font-size:clamp(15px,1.2vw,18px);font-weight:400;line-height:1.2;letter-spacing:-.01em}
.about-division-grid p{max-width:38em;margin:0;color:var(--ink-soft);font-size:15px;line-height:1.65}
.about-principles p{max-width:none;margin:0;color:var(--ink-soft);font-size:13px;line-height:1.45}
.about-interior-media{padding-top:clamp(56px,7vw,104px);border-top:1px solid var(--line)}
.about-organization>header,.about-employees>header{display:block}
.about-division-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:clamp(40px,5vw,72px);border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}
.about-division-grid article{min-width:0;padding:28px clamp(18px,2.4vw,36px) 36px;border-left:1px solid var(--line)}
.about-division-grid article:first-child{padding-left:0;border-left:0}
.about-division-grid article:last-child{padding-right:0}
.about-division-grid h3{margin:36px 0 18px}
.about-principles{background:var(--surface-cold);padding-block:clamp(28px,3.5vw,48px)}
.about-principles>div{margin-top:clamp(16px,2vw,24px);border-top:1px solid var(--line-strong)}
.about-principles article{display:grid;grid-template-columns:48px minmax(120px,.55fr) minmax(0,1fr);gap:14px 20px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line)}
.about-principles article:last-child{border-bottom:0;padding-bottom:0}
.about-employees{padding-bottom:clamp(80px,10vw,152px)}
.about-employees-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(32px,4vw,64px) 0;margin-top:clamp(44px,6vw,80px)}
.about-employee{display:grid;align-content:start;min-width:0;padding:0 clamp(12px,1.5vw,24px) 32px;border-left:1px solid var(--line)}
.about-employee:nth-child(5n+1){border-left:0}
.about-employee__avatar{position:relative;z-index:0;margin:0;width:100%;aspect-ratio:1/1;overflow:visible;background:var(--surface-cold);outline:none}
.about-employee__avatar img{position:absolute;inset:0;display:block;width:100%;height:100%;max-width:none;object-fit:cover;object-position:center center}
.about-employee__bio{position:absolute;left:50%;bottom:calc(100% + 10px);z-index:4;width:min(240px,72vw);max-width:calc(100% + 48px);padding:12px 14px;border:1px solid var(--line-strong);background:var(--ink);color:var(--reverse);font-family:var(--display);font-size:13px;line-height:1.45;letter-spacing:-.01em;transform:translateX(-50%) translateY(4px);opacity:0;visibility:hidden;pointer-events:none;transition:opacity 160ms var(--ease),transform 160ms var(--ease),visibility 160ms}
.about-employee__bio::after{content:"";position:absolute;left:50%;top:100%;width:8px;height:8px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);background:var(--ink);transform:translateX(-50%) rotate(45deg);margin-top:-5px}
.about-employee.has-bio .about-employee__avatar:hover,
.about-employee.has-bio .about-employee__avatar:focus-visible{z-index:3}
.about-employee.has-bio .about-employee__avatar:hover .about-employee__bio,
.about-employee.has-bio .about-employee__avatar:focus-visible .about-employee__bio{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.about-employee__identity{display:grid;gap:6px;margin-top:18px}
.about-employee__identity span{flex:0 0 auto;color:var(--muted);font-family:var(--mono);font-size:9px;letter-spacing:.08em}
.about-employees-empty{margin:clamp(44px,6vw,80px) 0 0;padding:32px 0;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);color:var(--muted);font-family:var(--display);font-size:18px}

/* careers */
.careers-page .vision-hero{padding-bottom:clamp(36px,4vw,56px)}
.careers-principles h2,.careers-process h2,.careers-workplace-copy h2,.jobs-section h2,.job-hero h1,.job-body h2,.application-panel h2{font-family:var(--display);font-weight:400;line-height:1.05;letter-spacing:-.035em}
.careers-principles h2,.careers-process h2,.jobs-section h2{margin:0 0 clamp(28px,3vw,44px);font-size:clamp(28px,3.2vw,48px)}
.careers-section-head{display:flex;flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:clamp(28px,3vw,40px)}
.careers-section-lead{max-width:46em;margin:0;color:var(--ink-soft);font-size:clamp(15px,1.1vw,17px);line-height:1.65}
.process-list{counter-reset:process;list-style:none;border-top:1px solid var(--line-strong);margin:0;padding:0}
.process-list li{display:grid;grid-template-columns:88px minmax(0,1fr);align-items:center;min-height:104px;padding:18px 0;border-bottom:1px solid var(--line);font-family:var(--display);font-size:clamp(18px,2.2vw,34px);line-height:1.15}
.process-list li span{color:var(--signal);font-family:var(--mono);font-size:11px;letter-spacing:.08em}
.process-note{max-width:46em;margin:clamp(28px,3vw,40px) 0 0;color:var(--muted);font-size:14px;line-height:1.6}
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 clamp(36px,4vw,56px)}
.filter-chip{min-height:44px;padding:0 16px;border:1px solid var(--line-strong);background:transparent;cursor:pointer;font-family:var(--display);font-size:12px;letter-spacing:.03em;color:var(--ink);transition:background-color 160ms var(--ease),color 160ms var(--ease)}
.filter-chip:hover,.filter-chip.is-active{background:var(--ink);color:var(--reverse)}
.job-list{border-top:1px solid var(--line-strong)}
.job-row{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,5fr) auto;gap:clamp(20px,3vw,36px);align-items:start;min-height:150px;padding:clamp(26px,3vw,34px) 0;border-bottom:1px solid var(--line)}
.job-row h2{margin:0;font-family:var(--display);font-size:clamp(20px,2.2vw,32px);font-weight:400;line-height:1.1}
.job-row h2 a{display:inline;border-bottom:1px solid transparent;transition:border-color 160ms var(--ease)}
.job-row h2 a:hover{border-bottom-color:currentColor}
.job-row>div>span,.job-row-meta{display:block;margin-top:14px;color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.04em;text-transform:uppercase}
.job-row p{margin:0;max-width:34em;color:var(--ink-soft);font-size:15px;line-height:1.55}
.job-row .text-link{justify-self:end;align-self:center;white-space:nowrap}
.empty-state{padding:48px 0;color:var(--muted);font-family:var(--display);font-size:18px}
.careers-workplace{border-top:1px solid var(--line)}
.careers-workplace-media{margin:0;padding:0 var(--gutter);overflow:hidden}
.careers-workplace-media img{width:100%;aspect-ratio:21/9;object-fit:cover;background:var(--surface-cold)}
.careers-workplace-copy{max-width:46em;padding-top:clamp(40px,5vw,72px);padding-bottom:clamp(64px,8vw,112px);border-top:0}
.careers-workplace-copy h2{margin:0 0 clamp(22px,2.5vw,34px);font-size:clamp(28px,3.2vw,48px)}
.careers-workplace-copy p{margin:0 0 1.2em;color:var(--ink-soft);font-size:clamp(15px,1.1vw,17px);line-height:1.7}
.careers-workplace-copy p:last-child{margin-bottom:0}

/* job detail */
.job-hero{padding-top:clamp(48px,6vw,88px);padding-bottom:clamp(40px,5vw,64px);border-top:0}
.job-hero .vision-kicker{margin-bottom:28px}
.job-hero .text-link--quiet{border-bottom-color:transparent;color:var(--muted);font-size:12px;letter-spacing:.04em;text-transform:uppercase;font-family:var(--mono);min-height:auto;gap:10px}
.job-hero .text-link--quiet:hover{color:var(--ink);border-bottom-color:currentColor}
.job-hero h1{margin:0 0 20px;font-size:clamp(36px,5.5vw,72px)}
.job-hero-summary{max-width:40em;margin:0 0 clamp(32px,4vw,48px);color:var(--ink-soft);font-family:var(--display);font-size:clamp(17px,1.6vw,24px);line-height:1.4}
.job-meta{border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);margin:0 0 clamp(28px,3.5vw,40px)}
.job-meta dl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px 24px;padding:28px 0;margin:0}
.job-meta dt{margin:0 0 6px;color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase}
.job-meta dd{margin:0;font-size:14px;line-height:1.4}
.job-detail{max-width:1180px;margin:0 auto;padding:0 var(--gutter) clamp(48px,6vw,88px)}
.job-body{max-width:760px;margin:0;padding-top:0;border-top:0}
.job-body h2{margin:clamp(40px,5vw,64px) 0 22px;font-size:clamp(24px,2.6vw,34px)}
.job-body h2:first-child{margin-top:0}
.job-body p{margin:0 0 1.2em;color:var(--ink-soft);font-size:clamp(15px,1.1vw,17px);line-height:1.7}
.job-body ul{list-style:none;border-top:1px solid var(--line-strong);margin:0 0 8px;padding:0}
.job-body li{padding:16px 0;border-bottom:1px solid var(--line);font-family:var(--display);font-size:clamp(15px,1.2vw,17px);line-height:1.45;color:var(--ink-soft)}
.job-apply-footer{margin-top:clamp(40px,5vw,64px);padding-top:clamp(28px,3vw,40px);border-top:1px solid var(--line)}
.application-note{max-width:40em;margin:18px 0 0;color:var(--muted);font-family:var(--mono);font-size:11px;line-height:1.55}
.closed-note{margin:0;color:var(--signal);font-family:var(--display);font-size:16px}

/* application form */
.primary-action{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;border:1px solid var(--ink);background:var(--ink);color:var(--reverse);font-family:var(--display);font-size:13px;letter-spacing:.03em;cursor:pointer;transition:background-color 160ms var(--ease),color 160ms var(--ease),opacity 160ms var(--ease)}
.primary-action:hover{background:transparent;color:var(--ink)}
.primary-action:disabled{cursor:wait;opacity:.55}
.application-panel{border-top:1px solid var(--line-strong);background:var(--surface)}
.application-panel-inner{max-width:760px}
.application-panel h2{margin:0 0 14px;font-size:clamp(28px,3.2vw,42px)}
.application-lead{margin:0 0 clamp(28px,3vw,40px);color:var(--ink-soft);font-size:15px;line-height:1.6}
.request-form label,.file-field{display:flex;flex-direction:column;gap:9px}
.request-form label>span,.file-field-label{color:var(--muted);font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.span-two{grid-column:1/-1}
input,select,textarea{width:100%;border:1px solid var(--line-strong);border-radius:0;background:var(--surface);color:var(--ink)}
input,select{min-height:52px;padding:0 14px}
textarea{padding:14px;resize:vertical;min-height:120px;line-height:1.5}
html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea{background:var(--paper);border-color:var(--line-strong)}
html[data-theme="dark"] input:focus,html[data-theme="dark"] select:focus,html[data-theme="dark"] textarea:focus{border-color:var(--ink-soft);outline:none;box-shadow:0 0 0 1px var(--ink-soft)}
.file-field-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px}
.file-button{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border:1px solid var(--line-strong);background:var(--paper);cursor:pointer;font-family:var(--display);font-size:12px}
.file-button input{position:absolute;inset:0;opacity:0;cursor:pointer}
.file-name{color:var(--muted);font-family:var(--mono);font-size:11px}
.consent-field{flex-direction:row!important;align-items:flex-start;gap:12px;max-width:640px;margin:18px 0;text-transform:none}
.consent-field input{flex:0 0 auto;width:18px;min-height:18px;margin-top:2px;accent-color:var(--ink)}
.consent-field span{color:var(--ink)!important;font-family:var(--body)!important;font-size:13px!important;letter-spacing:0!important;text-transform:none!important;line-height:1.5}
.request-form .primary-action{margin-top:12px;min-width:240px}
.form-status,.application-success{display:flex;flex-direction:column;gap:10px;margin-top:26px;font-family:var(--mono);font-size:12px;line-height:1.55;color:var(--ink-soft)}
.form-status strong,.application-success strong{color:var(--ok);font-family:var(--display);font-size:20px;font-weight:400}
.application-ref{font-family:var(--mono);font-size:13px;color:var(--ink);background:var(--surface-cold);padding:2px 8px;border:1px solid var(--line)}
.honeypot{position:absolute;left:-9999px;opacity:0;height:0;width:0;pointer-events:none}

/* documentation */
.docs-home{padding:0 0 96px}
.docs-home-inner{max-width:920px;margin:0 auto;padding:clamp(48px,7vw,88px) var(--gutter) 0}
.docs-kicker{margin:0 0 14px;color:var(--quiet);font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.docs-home-header h1{margin:0;font-family:var(--display);font-size:clamp(40px,6vw,64px);font-weight:400;letter-spacing:-.02em;line-height:1.05}
.docs-home-lead{max-width:40em;margin:14px 0 0;color:var(--ink-soft);font-size:16px;line-height:1.65}
.docs-product-list{margin-top:clamp(36px,5vw,56px);border-top:1px solid var(--line-strong)}
.docs-product-entry{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 40px;align-items:center;padding:28px 0;border-bottom:1px solid var(--line);color:inherit;transition:background-color 160ms var(--ease)}
.docs-product-entry:hover{background:var(--surface)}
.docs-product-entry-copy{min-width:0;padding-right:8px}
.docs-product-entry h2{margin:0 0 6px;font-family:var(--display);font-size:clamp(22px,2.4vw,28px);font-weight:400;letter-spacing:.01em}
.docs-product-subtitle{margin:0;color:var(--muted);font-family:var(--mono);font-size:12px;letter-spacing:.04em}
.docs-product-desc{margin:10px 0 0;max-width:42em;color:var(--ink-soft);font-size:15px;line-height:1.55}
.docs-product-cta{display:inline-flex;align-items:center;gap:10px;padding-bottom:4px;font-family:var(--display);font-size:13px;letter-spacing:.02em;white-space:nowrap}
.docs-product-cta .icon-tri{opacity:.7;transition:transform 160ms var(--ease)}
.docs-product-entry:hover .docs-product-cta .icon-tri{transform:translateX(3px);opacity:1}

.docs-shell{min-height:calc(100svh - var(--header-h))}
.docs-mobile-bar{display:none;position:sticky;top:var(--header-h);z-index:40;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:10px var(--gutter);border-bottom:1px solid var(--line);background:var(--paper)}
.docs-mobile-bar-copy{display:flex;flex-direction:column;gap:2px;min-width:0}
.docs-mobile-product{color:var(--quiet);font-family:var(--mono);font-size:10px;letter-spacing:.08em;text-transform:uppercase}
.docs-mobile-section{overflow:hidden;color:var(--ink);font-family:var(--display);font-size:13px;white-space:nowrap;text-overflow:ellipsis}
.docs-mobile-toggle{flex:0 0 auto;min-height:36px;padding:0 14px;border:1px solid var(--line-strong);background:var(--surface);font-family:var(--display);font-size:12px;cursor:pointer}
.docs-layout{display:grid;grid-template-columns:minmax(220px,260px) minmax(0,1fr);align-items:start;min-height:calc(100svh - var(--header-h))}
.docs-sidebar{position:sticky;top:var(--header-h);align-self:start;height:calc(100svh - var(--header-h));overflow:auto;padding:28px 20px 48px var(--gutter);border-right:1px solid var(--line);background:var(--surface);scrollbar-width:thin}
.docs-sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.docs-sidebar-home{color:var(--quiet);font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.docs-sidebar-home:hover{color:var(--ink)}
.docs-sidebar-close{display:none;width:36px;height:36px;border:1px solid var(--line);background:transparent;font-size:20px;line-height:1;cursor:pointer;color:var(--ink-soft)}
.docs-nav-group{margin:0 0 10px;color:var(--ink);font-family:var(--display);font-size:13px;letter-spacing:.02em}
.docs-nav-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.docs-nav-link{display:block;padding:8px 12px;border-left:2px solid transparent;color:var(--muted);font-size:13.5px;line-height:1.35;transition:color 140ms var(--ease),border-color 140ms var(--ease),background-color 140ms var(--ease)}
.docs-nav-link:hover{color:var(--ink);background:var(--nav-hover-fill)}
.docs-nav-link.is-current{border-left-color:var(--ink);color:var(--ink);background:var(--paper);font-weight:500}
.docs-sidebar-backdrop{display:none}

.docs-article{min-width:0;padding:clamp(36px,5vw,56px) clamp(24px,4vw,64px) 96px;max-width:860px}
.docs-article-header{margin-bottom:22px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.docs-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 14px;color:var(--quiet);font-family:var(--mono);font-size:11px;letter-spacing:.04em}
.docs-breadcrumb a{color:var(--muted)}
.docs-breadcrumb a:hover{color:var(--ink)}
.docs-article-header h1{margin:0;font-family:var(--display);font-size:clamp(28px,3.6vw,40px);font-weight:400;letter-spacing:-.015em;line-height:1.15}
.docs-intro{margin:0 0 28px;max-width:40em}
.docs-intro p,.docs-body p{margin:0 0 1em;color:var(--ink-soft);font-size:15.5px;line-height:1.7}
.docs-intro p:last-child,.docs-body p:last-child{margin-bottom:0}
.docs-body{max-width:40em}
.docs-body h2{margin:2.2em 0 .75em;font-family:var(--display);font-size:clamp(18px,1.8vw,22px);font-weight:500;letter-spacing:.01em;line-height:1.25;color:var(--ink)}
.docs-body h2:first-child{margin-top:0}
.docs-body h3{margin:1.6em 0 .55em;font-family:var(--display);font-size:16px;font-weight:500;color:var(--ink)}
.docs-body code,.docs-intro code{font-family:var(--mono);font-size:.9em;padding:.05em .3em;background:var(--surface-cold);border:1px solid var(--line);color:var(--ink)}
.docs-list,.docs-steps{margin:0 0 1.25em;padding:0 0 0 1.2em;color:var(--ink-soft);font-size:15.5px;line-height:1.65}
.docs-list li,.docs-steps li{margin:0 0 .45em;padding-left:.15em}
.docs-steps{list-style:decimal}
.docs-kv{display:grid;gap:0;margin:0 0 1.5em;border-top:1px solid var(--line)}
.docs-kv > div{display:grid;grid-template-columns:minmax(110px,160px) minmax(0,1fr);gap:12px 20px;padding:12px 0;border-bottom:1px solid var(--line)}
.docs-kv dt{color:var(--quiet);font-family:var(--mono);font-size:11px;letter-spacing:.04em}
.docs-kv dd{margin:0;color:var(--ink-soft);font-size:14.5px;line-height:1.5}
.docs-table-wrap{margin:0 0 1.5em;overflow-x:auto;border:1px solid var(--line)}
.docs-table{width:100%;border-collapse:collapse;font-size:13.5px;line-height:1.45}
.docs-table th,.docs-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.docs-table th{background:var(--surface);color:var(--muted);font-family:var(--mono);font-size:10px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}
.docs-table td{color:var(--ink-soft)}
.docs-table tr:last-child td{border-bottom:0}
.docs-table code{font-family:var(--mono);font-size:12px;color:var(--ink)}
.docs-callout{margin:0 0 1.4em;padding:14px 16px 14px 18px;border:1px solid var(--line);border-left-width:3px;background:var(--surface)}
.docs-callout-title{display:block;margin:0 0 6px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.docs-callout p{margin:0;color:var(--ink-soft);font-size:14.5px;line-height:1.55}
.docs-callout--note{border-left-color:var(--line-strong)}
.docs-callout--caution{border-left-color:var(--callout-caution-edge);background:var(--callout-caution-bg)}
.docs-callout--warning{border-left-color:var(--signal);background:var(--signal-soft)}
.docs-callout--danger{border-left-color:var(--signal);background:var(--callout-danger-bg)}
.docs-callout--danger .docs-callout-title,.docs-callout--warning .docs-callout-title{color:var(--signal)}
.docs-figure{margin:0 0 1.6em}
.docs-figure img{width:100%;height:auto;border:1px solid var(--line);background:var(--surface-cold)}
.docs-figure figcaption{margin-top:10px;color:var(--quiet);font-family:var(--mono);font-size:11px;line-height:1.45}

body.is-docs .site-footer{margin-top:0}

@media(max-width:960px){
.docs-layout{grid-template-columns:1fr}
.docs-mobile-bar{display:flex}
.docs-sidebar{position:fixed;top:0;left:0;z-index:160;width:min(320px,88vw);height:100svh;padding:20px 18px 40px;border-right:1px solid var(--line-strong);transform:translateX(-105%);transition:transform 220ms var(--enter);box-shadow:none}
.docs-sidebar.is-open{transform:translateX(0)}
.docs-sidebar-close{display:inline-flex;align-items:center;justify-content:center}
.docs-sidebar-backdrop{display:block;position:fixed;inset:0;z-index:150;border:0;background:var(--overlay-scrim);cursor:pointer}
.docs-article{padding:28px var(--gutter) 72px;max-width:none}
.docs-product-entry{grid-template-columns:1fr;gap:16px;align-items:start}
.docs-kv > div{grid-template-columns:1fr;gap:4px}
}

/* footer */
.site-footer{background:var(--footer-bg);color:var(--footer-ink)}
.footer-shell{display:grid;grid-template-columns:minmax(140px,220px) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:start;padding:72px var(--gutter) 56px}
.footer-brand{display:flex;flex-direction:column;gap:18px;padding-top:2px}
.footer-brand-link{display:block;width:210px;color:var(--footer-ink)}
.footer-symbol{display:block;width:210px;height:auto;filter:invert(1);opacity:.94}
.footer-top{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(24px,3.5vw,48px);min-width:0}
.footer-group{min-width:0}
.footer-group-toggle{display:none}
.footer-group-title{margin:0 0 22px;color:var(--footer-muted);font-family:var(--mono);font-size:11px;font-weight:400;letter-spacing:.1em;text-transform:uppercase;line-height:1.3}
.footer-links{display:flex;flex-direction:column;gap:4px}
.footer-link{display:block;width:fit-content;max-width:100%;padding:8px 0;color:var(--footer-link);font-family:var(--display);font-size:14px;letter-spacing:.01em;line-height:1.35;transition:color 160ms var(--ease)}
.footer-link:hover,.footer-link:focus-visible,.footer-link.is-current{color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 28px;padding:22px var(--gutter);border-top:1px solid var(--footer-line);color:var(--footer-muted);font-family:var(--mono);font-size:12px;line-height:1.5}
.footer-copy{margin:0}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 24px}
.footer-legal-link{color:#c9c8c2;transition:color 160ms var(--ease)}
.footer-legal-link:hover,.footer-legal-link:focus-visible{color:#fff}

@media(max-width:1240px){
.site-header{grid-template-columns:48px 1fr auto}
.nav-slider{width:min(360px,100%)}
.nav-slider-item{font-size:11px;padding:0 6px}
.home-page{min-height:0}
.division-stage{min-height:min(64svh,640px)}
.vision-feature-grid{grid-template-columns:1fr 1fr;gap:28px}
.vision-methods-grid{gap:40px}
.overview-chapter{gap:36px}
.safety-feature{gap:36px}
.job-meta dl{grid-template-columns:repeat(3,minmax(0,1fr))}
.footer-shell{grid-template-columns:1fr;gap:40px;padding:56px var(--gutter) 40px}
.footer-top{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
}

@media(max-width:900px){
:root{--header-h:56px;--gutter:20px}
.site-header{grid-template-columns:36px 1fr auto;gap:8px}
.brand .brand-symbol{width:30px;height:19px}
.nav-slider{width:100%}
.nav-slider-frame{height:36px}
.nav-slider-item{font-size:10px;padding:0 4px;letter-spacing:0}
.locale-toggle,.theme-toggle{width:36px;height:36px;min-width:36px;min-height:36px}
.home-page{min-height:0}
.division-stage{flex-direction:column;height:auto;min-height:0}
.division-panel{min-height:min(34svh,320px);padding:36px 22px 28px;border-left:0!important;border-bottom:1px solid var(--panel-edge)}
.division-panel:last-child{border-bottom:0}
.division-panel + .division-panel{border-left:0}
.division-logo{width:min(46%,180px);max-height:140px}
.division-cta{font-size:16px}
.division-stage.is-expanded{min-height:0}
.division-stage.is-expanded .division-panel{flex:0 0 64px;flex-direction:row;justify-content:space-between;min-width:0;min-height:64px;height:64px;padding:0 22px;gap:16px;border-left:0!important;border-bottom:1px solid var(--panel-edge)}
.division-stage.is-expanded .division-panel.is-selected{flex:0 0 min(68svh,560px);flex-direction:column;justify-content:center;padding:36px 22px 28px;gap:clamp(28px,4vh,48px)}
.division-stage.is-expanded .division-panel:not(.is-selected) .division-logo{width:34px;max-height:42px;opacity:.62;transform:none}
.division-stage.is-expanded .division-panel:not(.is-selected) .division-cta{font-size:14px;gap:8px;writing-mode:horizontal-tb;text-orientation:mixed;transform:none;opacity:1}
.division-stage.is-expanded .division-panel:not(.is-selected) .division-cta .icon-tri{display:inline-block}
.division-stage.is-expanded .division-panel.is-selected .division-logo{width:min(46%,220px);max-height:180px}
.division-stage.is-expanded .division-panel.is-selected .division-cta{font-size:16px;gap:12px}
.vision-hero{padding-top:56px;padding-bottom:32px}
.vision-hero h1{font-size:clamp(42px,12vw,68px)}
.vision-lead{font-size:18px}
.vision-hero-media img{aspect-ratio:16/9}
.vision-feature-grid,.vision-methods-grid{grid-template-columns:1fr}
.vision-feature-stack{gap:36px}
.vision-methods-media{aspect-ratio:16/10}
.overview-chapter,.overview-chapter.is-flip{grid-template-columns:1fr;gap:24px;padding-top:48px;padding-bottom:48px}
.overview-chapter.is-flip .overview-chapter-media,.overview-chapter.is-flip .overview-chapter-copy{order:0}
.overview-chapter-media{aspect-ratio:16/9}
.overview-chapter-copy h2{font-size:clamp(28px,8vw,40px)}
.about-hero{grid-template-columns:1fr;gap:32px;padding-top:64px}
.about-hero h1{font-size:clamp(58px,16vw,96px)}
.about-hero-media img,.about-interior-media img{aspect-ratio:16/10}
.about-introduction{grid-template-columns:1fr;gap:28px}
.about-principles article{grid-template-columns:40px minmax(110px,.55fr) minmax(0,1fr);gap:10px 14px;padding:10px 0}
.about-division-grid{grid-template-columns:1fr}
.about-division-grid article,.about-division-grid article:first-child,.about-division-grid article:last-child{padding:28px 0 32px;border-left:0;border-bottom:1px solid var(--line)}
.about-division-grid article:last-child{border-bottom:0}
.about-division-grid h3{margin:22px 0 14px}
.about-employees-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 0}
.about-employee,.about-employee:nth-child(5n+1){padding:0 14px 28px;border-left:1px solid var(--line)}
.about-employee:nth-child(2n+1){border-left:0}
.safety-feature{grid-template-columns:1fr;gap:24px;align-items:start}
.safety-feature-media{aspect-ratio:16/10}
.safety-media-figure img{aspect-ratio:16/9}
.safety-band{padding-top:56px;padding-bottom:56px}
.division-detail-lead{display:block;padding:64px var(--gutter) 56px}
.division-detail-lead p{max-width:38em;font-size:clamp(20px,4.8vw,28px)}
.division-section--text,.division-section--list,.division-section--media-text{grid-template-columns:1fr;gap:28px}
.division-section--media-text.is-flip .division-media,.division-section--media-text.is-flip .division-section-content{order:initial}
.division-section--media-text .division-section-content{gap:20px}
.division-item-list{grid-template-columns:1fr}
.process-list li{grid-template-columns:54px minmax(0,1fr);min-height:84px;font-size:clamp(16px,5vw,22px)}
.job-row{grid-template-columns:1fr;gap:14px;min-height:0}
.job-row .text-link{justify-self:start}
.job-meta dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form-grid{grid-template-columns:1fr}
.careers-workplace-media img{aspect-ratio:16/9}
.footer-shell{padding:28px var(--gutter) 8px;gap:28px}
.footer-top{grid-template-columns:1fr;gap:0}
.footer-group{border-bottom:1px solid var(--footer-line)}
.footer-group-title{display:none}
.footer-group-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:56px;padding:0;background:transparent;color:var(--footer-ink);font-family:var(--display);font-size:15px;letter-spacing:.02em;cursor:pointer;text-align:left}
.footer-group-toggle span:last-child{color:var(--footer-muted);font-family:var(--mono);font-size:18px;line-height:1}
.footer-links{display:none;padding:0 0 18px;gap:2px}
.footer-group.is-open .footer-links{display:flex}
.footer-link{padding:10px 0;font-size:14px}
.footer-bottom{padding:24px var(--gutter) 28px;gap:14px}
}

@media(max-width:640px){
.about-hero{padding-top:52px;padding-bottom:40px}
.about-hero h1{font-size:clamp(50px,15vw,72px)}
.about-hero-media,.about-interior-media{padding-inline:0}
.about-hero-media img,.about-interior-media img{aspect-ratio:4/3}
.about-introduction p{font-size:20px}
.about-principles article{grid-template-columns:32px minmax(0,1fr);gap:8px 12px;padding:10px 0}
.about-principles article p{grid-column:2}
.division-panel{min-height:min(32svh,280px);padding:28px 18px 24px}
.division-logo{width:min(42%,150px);max-height:110px}
.division-cta{font-size:15px}
.division-stage.is-expanded .division-panel{padding-inline:18px}
.division-stage.is-expanded .division-panel.is-selected{padding-inline:18px}
.division-stage.is-expanded .division-panel:not(.is-selected) .division-cta{font-size:13px}
.footer-bottom{flex-direction:column;align-items:flex-start}
}

@media(prefers-reduced-motion:reduce){
*,*::before,*::after{scroll-behavior:auto!important;animation:none!important;transition:none!important}
::view-transition-group(root),::view-transition-old(root),::view-transition-new(root){animation-duration:.001ms!important}
}

@media(forced-colors:active){
*{forced-color-adjust:auto}
.site-header,.division-panel,.footer-group,.footer-bottom{border-color:CanvasText}
.site-footer{background:Canvas;color:CanvasText}
.footer-link,.footer-group-toggle,.footer-legal-link{color:LinkText}
}

/* Dual-layer cipher: face is visible 乱码; data-plain holds monologue for copy */
.amaro-cipher{display:inline;}