/* AVESTA / SIGNAL — a survey-sheet identity: relief, contour lines, declared limits */
@font-face{font-family:"IBM Plex Mono";src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

@font-face{font-family:"Libre Baskerville";src:url(../fonts/libre-baskerville-variable.ttf) format("truetype");font-weight:400 700;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url(../fonts/source-sans-3-variable.ttf) format("truetype");font-weight:200 900;font-display:swap}

/* Brand guide: exact primary colours; supporting tones from its gradient ramps. */
:root{
  --navy:#092A3D;--copper:#B67A4B;--copper-dark:#915C3B;--copper-light:#D39B6E;
  --paper:#FFFFFF;--paper2:#F6F7F8;--paper3:#E4E9EC;
  --ink:var(--navy);--ink2:#344F5E;--mute:#596E7A;
  --g:var(--copper);--gd:var(--copper-dark);--gl:#F7EFE8;--deep:var(--navy);
  --rust:var(--copper-dark);--rust-soft:#EBD5C3;--sage:var(--copper);
  --sun:var(--copper-light);--sky:var(--copper);--sky-l:#F6F7F8;--peach:#F7EFE8;
  --line:rgba(9,42,61,.16);--line-strong:rgba(9,42,61,.7);
  --serif:"Libre Baskerville",Baskerville,Georgia,serif;--sans:"Source Sans 3",system-ui,sans-serif;--mono:"IBM Plex Mono",ui-monospace,monospace;
  --pad:clamp(20px,4vw,56px);--max:1360px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);overflow-x:hidden;
  background-image:linear-gradient(var(--line) 1px,transparent 1px);background-size:100% 0;}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg{display:block;max-width:100%}
main{overflow-x:clip}
.doc{max-width:100%}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:10px 14px;z-index:99}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--rust);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.eyebrow{font:500 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--rust);display:flex;gap:12px;align-items:center}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
h1,h2,h3{font-family:var(--serif);font-weight:300;letter-spacing:-.02em;line-height:1.04}
h2{font-size:clamp(36px,5.4vw,76px)}
h2 em,h1 em{font-style:normal;color:var(--rust)}
.lede{font-size:clamp(18px,1.6vw,21px);color:var(--ink2);max-width:58ch}

/* masthead + header */
.masthead{background:var(--ink);color:var(--sun);border-bottom:0;font:400 11px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.masthead .wrap{display:flex;justify-content:space-between;gap:20px;padding-top:11px;padding-bottom:11px}
.hdr{position:relative;z-index:30;display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:5px;padding-bottom:5px}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:180px;max-width:100%;height:auto}
.nav{display:flex;align-items:center;gap:2px;font-size:14px;font-weight:500}
.nav>div{position:relative}
.nav>div>a{display:block;padding:10px 13px;border-radius:99px;transition:background .2s}
.nav>div>a:hover,.nav>div:focus-within>a{background:var(--paper2)}
.nav [aria-current]{box-shadow:inset 0 -2px 0 var(--rust);border-radius:0}
.nav .contact a{background:var(--rust);color:#fff;margin-left:8px}
.nav .contact a:hover{background:var(--ink)}
.sub{position:absolute;left:0;top:100%;min-width:200px;background:var(--paper);border:1px solid var(--line-strong);padding:8px;list-style:none;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.nav>div:hover .sub,.nav>div:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:9px 12px;font-size:14px}
.sub a:hover{background:var(--ink);color:var(--paper)}
.lang{font:500 11px var(--mono);letter-spacing:.1em;display:flex;gap:2px;border:1px solid var(--line);border-radius:99px;padding:3px}
.lang span{padding:5px 9px;border-radius:99px}
.lang [aria-current]{background:var(--ink);color:var(--paper)}
.lang [aria-disabled]{color:var(--mute)}
.burger{display:none}

/* HERO */
.hero{background:var(--paper);position:relative;overflow:hidden;border-bottom:1px solid var(--line-strong);min-height:min(900px,calc(100vh - 100px));display:flex}
.field{position:absolute;right:-6vw;bottom:-2%;width:max(115vw,1100px);max-width:1900px;aspect-ratio:31/16;--x:80%;--y:36%;--r:230px;touch-action:pan-y}
.field>img,.field>svg.lines{position:absolute;inset:0;width:100%;height:100%}
.field .reveal{-webkit-mask-image:radial-gradient(circle var(--r) at var(--x) var(--y),#000 0 55%,transparent 100%);mask-image:radial-gradient(circle var(--r) at var(--x) var(--y),#000 0 55%,transparent 100%)}
.field .base{opacity:.7}
.lens{position:absolute;left:var(--x);top:var(--y);width:calc(var(--r)*1.1);height:calc(var(--r)*1.1);transform:translate(-50%,-50%);border:1px solid var(--rust);border-radius:50%;pointer-events:none}
.lens::before,.lens::after{content:"";position:absolute;background:var(--rust)}
.lens::before{left:50%;top:-14px;bottom:-14px;width:1px}
.lens::after{top:50%;left:-14px;right:-14px;height:1px}
.readout{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,calc(var(--r)*.62));z-index:5;font:500 11px/1.5 var(--mono);letter-spacing:.08em;color:var(--sun);text-transform:uppercase;background:var(--ink);padding:6px 10px;white-space:nowrap;pointer-events:none}
.node{position:absolute;font:500 11px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase}
.node i{position:absolute;left:-6px;top:-6px;width:12px;height:12px;border-radius:50%;background:var(--rust);box-shadow:0 0 0 5px #fff}
.node span{position:absolute;left:14px;top:-9px;white-space:nowrap;background:var(--ink);color:var(--sun);padding:2px 6px}
.node.l span{left:auto;right:14px}
svg.lines path{fill:none;stroke:var(--rust);stroke-width:1.3;stroke-dasharray:3 7;vector-effect:non-scaling-stroke}
.hero-in{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:space-between;width:100%;padding-top:34px;padding-bottom:36px;pointer-events:none}
.hero-in a,.hero-in button{pointer-events:auto}
.hero-top{display:flex;justify-content:space-between;gap:20px}
.hero-top .mono{color:var(--ink)}
.hero h1{font-size:clamp(54px,9.4vw,152px);font-weight:300;line-height:.93;margin:7vh 0 28px;letter-spacing:-.035em}
.hero h1 span{display:block;padding-left:clamp(0px,7vw,120px)}
.hero p.lede{background:var(--paper);padding:14px 18px 14px 0;margin-bottom:26px;max-width:56ch}
.btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.btn{display:inline-flex;gap:12px;align-items:center;padding:16px 24px;font:600 14px var(--sans);border:1px solid var(--ink);border-radius:99px;transition:.2s;background:var(--paper)}
.btn.solid{background:var(--ink);color:var(--sun)}
.btn:hover{background:var(--rust);border-color:var(--rust);color:#fff}
.btn span{transition:transform .2s}.btn:hover span{transform:translate(3px,-3px)}
.geo{display:flex;gap:10px;flex-wrap:wrap}
.geo a{font:500 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;padding:8px 14px;border:1px solid var(--line-strong);background:var(--paper)}
.geo a:hover{background:var(--ink);color:var(--paper)}
.hint{position:absolute;right:var(--pad);bottom:36px;z-index:3;font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;background:var(--paper);padding:8px 12px;border:1px solid var(--line-strong)}
.hint b{color:var(--rust)}

/* legend strip */
.legend{border-bottom:1px solid var(--line-strong);background:var(--paper2)}
.legend .wrap{display:grid;grid-template-columns:auto repeat(4,1fr);align-items:stretch}
.legend .t{padding:20px 28px 20px 0;font:500 11px/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mute);display:flex;align-items:center}
.legend dl{padding:18px 22px;border-left:1px solid var(--line);display:flex;gap:14px;align-items:center}
.legend dt{width:34px;height:34px;flex:none;border:1.5px solid var(--ink);display:grid;place-items:center;font:600 9px var(--mono)}
.legend dl:nth-of-type(1) dt{border-radius:50%}.legend dl:nth-of-type(2) dt{transform:rotate(45deg) scale(.82);font-size:0}
.legend dl:nth-of-type(2) dt::after{content:"";width:8px;height:8px;background:var(--ink)}
.legend dl:nth-of-type(3) dt{background:var(--sky);border-color:var(--sky);color:#fff}
.legend dl:nth-of-type(4) dt{border-color:var(--rust);color:var(--rust);border-style:dashed}
.legend dd{font-size:13px;line-height:1.3;color:var(--ink2)}.legend dd::before{content:attr(data-k);display:block;font:600 14px var(--sans);color:var(--ink);letter-spacing:.06em}

section.s{padding:clamp(80px,11vw,160px) 0;border-bottom:1px solid var(--line)}
.shead{display:grid;grid-template-columns:1fr 2fr;gap:40px;align-items:end;margin-bottom:clamp(40px,6vw,80px)}
.shead .num{font:300 clamp(80px,12vw,190px)/.8 var(--serif);color:transparent;-webkit-text-stroke:1px var(--ink);letter-spacing:-.04em}
.shead .eyebrow{margin-bottom:22px}

/* picker */
.picker{display:grid;grid-template-columns:minmax(260px,1fr) 2fr;border:1px solid var(--line-strong);background:var(--paper)}
.picker input{position:absolute;opacity:0;pointer-events:none}
.picker .tabs{border-right:1px solid var(--line-strong);display:flex;flex-direction:column}
.picker label{display:flex;gap:18px;align-items:baseline;padding:26px 28px;border-bottom:1px solid var(--line);cursor:pointer;font:300 clamp(22px,2.2vw,30px)/1.1 var(--serif);flex:1;transition:.2s}
.picker label small{font:500 11px var(--mono);color:var(--mute);letter-spacing:.1em}
.picker label:hover{background:var(--paper2)}
.picker label:last-child{border:0}
.sheet{padding:clamp(26px,4vw,56px);position:relative;display:none;grid-template-columns:1fr 1fr;gap:34px 44px;align-content:start}
.sheet h3{grid-column:1/-1;font-size:clamp(28px,3.2vw,44px);max-width:20ch}
.sheet h3 em{font-style:normal;color:var(--rust)}
.sheet h4{font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--rust);margin-bottom:10px}
.sheet p{color:var(--ink2)}
.sheet .stamp{grid-column:1/-1;border-top:1px dashed var(--line-strong);padding-top:22px;display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}
.sheet .stamp a{font-weight:600;border-bottom:1px solid var(--rust)}
.sheet .conf{display:flex;gap:4px;align-items:center;font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase}
.sheet .conf i{width:22px;height:8px;border:1px solid var(--ink)}.sheet .conf i.on{background:var(--sage)}
#q1:checked~.sheets .p1,#q2:checked~.sheets .p2,#q3:checked~.sheets .p3,#q4:checked~.sheets .p4{display:grid}
#q1:checked~.tabs label[for=q1],#q2:checked~.tabs label[for=q2],#q3:checked~.tabs label[for=q3],#q4:checked~.tabs label[for=q4]{background:var(--ink);color:var(--paper)}
#q1:checked~.tabs label[for=q1] small,#q2:checked~.tabs label[for=q2] small,#q3:checked~.tabs label[for=q3] small,#q4:checked~.tabs label[for=q4] small{color:var(--rust-soft)}
.picker input:focus-visible~.tabs{outline:2px solid var(--rust)}

/* method */
.method{position:relative}
.method input{position:absolute;opacity:0;pointer-events:none}
.profile{position:relative;height:clamp(200px,26vw,330px);border-bottom:1px solid var(--line-strong);margin-bottom:0}
.profile svg{position:absolute;inset:0;width:100%;height:100%}
.profile path{fill:none;vector-effect:non-scaling-stroke}
.profile .ridge{stroke:var(--sky);stroke-width:3}
.profile .echo{stroke:var(--ink);stroke-width:1;opacity:.28}
.profile .axis{position:absolute;left:0;top:0;font:400 10px var(--mono);letter-spacing:.12em;color:var(--mute);text-transform:uppercase}
.st{position:absolute;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:var(--paper);border:1.5px solid var(--ink);display:grid;place-items:center;font:500 12px var(--mono);cursor:pointer;transition:.2s;z-index:2}
.st:hover{border-color:var(--rust);color:var(--rust)}
#m1:checked~.profile [for=m1],#m2:checked~.profile [for=m2],#m3:checked~.profile [for=m3],#m4:checked~.profile [for=m4],#m5:checked~.profile [for=m5]{background:var(--rust);border-color:var(--rust);color:#fff;transform:translate(-50%,-50%) scale(1.22)}
.names{display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid var(--line)}
.names label{padding:18px 14px 20px 0;font:600 14px/1.3 var(--sans);cursor:pointer;color:var(--mute);transition:.2s}
.names label:hover{color:var(--ink)}
#m1:checked~.names [for=m1],#m2:checked~.names [for=m2],#m3:checked~.names [for=m3],#m4:checked~.names [for=m4],#m5:checked~.names [for=m5]{color:var(--rust)}
.mp{display:none;grid-template-columns:1fr 1.4fr;gap:40px;padding:clamp(30px,4vw,56px) 0;align-items:start}
.mp h3{font-size:clamp(30px,3.8vw,54px)}
.mp p{font-size:19px;color:var(--ink2);max-width:52ch}
.mp .tag{margin-top:22px;display:inline-block;font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--ink);padding:7px 12px}
#m1:checked~.mpanels .a1,#m2:checked~.mpanels .a2,#m3:checked~.mpanels .a3,#m4:checked~.mpanels .a4,#m5:checked~.mpanels .a5{display:grid}

/* anatomy */
.anat{background:var(--peach)}
.anat-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(30px,6vw,100px);align-items:start}
.doc{background:var(--paper);border:1px solid var(--line-strong);padding:clamp(26px,4vw,52px);position:relative;transform:rotate(-.8deg);box-shadow:10px 10px 0 var(--ink)}
.doc .dh{display:flex;justify-content:space-between;font:500 10px var(--mono);letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid var(--ink);padding-bottom:12px;margin-bottom:26px}
.doc h3{font-size:clamp(26px,3vw,40px);font-weight:400;margin-bottom:22px}
.doc p{font-size:15px;line-height:1.75;color:var(--ink2);margin-bottom:14px}
.red{background:var(--ink);color:transparent;padding:0 .2em;border-radius:1px;cursor:help;user-select:none;position:relative;transition:.25s}
.red:hover{background:var(--rust)}
.red::after{content:attr(data-w);position:absolute;left:0;bottom:130%;background:var(--ink);color:var(--paper);font:500 10px/1.3 var(--mono);letter-spacing:.08em;padding:6px 8px;white-space:nowrap;opacity:0;transition:.2s;pointer-events:none;text-transform:uppercase}
.red:hover::after{opacity:1}
.doc .foot{margin-top:26px;padding-top:14px;border-top:1px solid var(--line-strong);display:flex;justify-content:space-between;font:500 10px var(--mono);letter-spacing:.12em;text-transform:uppercase}
.seal{position:absolute;right:-18px;top:-22px;width:92px;height:92px;border:1.5px solid var(--rust);border-radius:50%;color:var(--rust);display:grid;place-items:center;text-align:center;font:600 9px/1.3 var(--mono);letter-spacing:.1em;background:var(--paper);transform:rotate(12deg)}
.seal::before{content:"";position:absolute;inset:5px;border:1px dashed var(--rust);border-radius:50%}
.standards{list-style:none;counter-reset:s}
.standards li{display:grid;grid-template-columns:64px 1fr auto;gap:10px 18px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line-strong);counter-increment:s}
.standards li::before{content:"0" counter(s);font:300 36px/1 var(--serif);color:var(--rust)}
.standards b{font:300 clamp(22px,2.4vw,32px)/1.1 var(--serif)}
.standards span{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--ink);padding:5px 10px}
.standards p{grid-column:2/-1;font-size:15px;color:var(--mute)}
.anat .note{margin-top:28px;font-size:14px;color:var(--mute);display:flex;gap:10px}
.anat .note::before{content:"";flex:none;width:10px;height:10px;background:var(--ink);margin-top:6px}

/* register */
.reg{border-top:1px solid var(--line-strong)}
.row{display:grid;grid-template-columns:70px 90px 1fr 1.1fr 130px 40px;gap:24px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line);transition:.25s;position:relative}
.row::before{content:"";position:absolute;inset:0 calc(var(--pad)*-1);background:var(--ink);transform:scaleY(0);transform-origin:bottom;transition:transform .3s;z-index:-1}
.row:hover{color:var(--paper)}.row:hover .n{color:var(--sun)}.row:hover::before{transform:scaleY(1)}
.row .n{font:300 38px var(--serif);color:var(--rust)}.row:nth-child(2) .n{color:var(--sky)}.row:nth-child(3) .n{color:var(--sage)}.row:nth-child(1) .n{color:var(--sun)}
.row .c{font:500 12px var(--mono);letter-spacing:.12em;border:1px solid currentColor;padding:6px 8px;text-align:center}
.row h3{font-size:clamp(22px,2.4vw,32px);font-weight:400}
.row p{font-size:14.5px;opacity:.75}
.row .by{font:500 11px/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;opacity:.8}
.row .ar{font-size:26px;transition:transform .25s}.row:hover .ar{transform:translate(5px,-5px)}
.regwrap{position:relative;z-index:0}

/* library spines */
.shelf{display:flex;height:clamp(480px,50vw,620px);border:1px solid var(--line-strong);border-bottom-width:10px;border-bottom-color:var(--ink)}
.spine{flex:1;display:flex;position:relative;border-right:1px solid var(--line-strong);overflow:hidden;transition:flex .6s cubic-bezier(.2,.8,.2,1);padding:24px 0}
.spine:last-child{border-right:0}
.spine:hover,.spine:focus-visible{flex:5.5}
.spine .v{writing-mode:vertical-rl;transform:rotate(180deg);display:flex;justify-content:space-between;align-items:center;width:clamp(64px,8vw,110px);flex:none;padding:0 0;font:300 clamp(20px,2.1vw,29px)/1.2 var(--serif);white-space:nowrap;max-height:100%;margin:0 auto 0 0;padding-right:0}
.spine .v em{font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;font-style:normal}
.spine .v span{max-height:78%;overflow:hidden;text-overflow:ellipsis}
.spine .open{flex:1;min-width:300px;padding:6px 36px 6px 8px;display:flex;flex-direction:column;justify-content:flex-end;gap:16px;opacity:0;transition:opacity .3s}
.spine:hover .open,.spine:focus-visible .open{opacity:1;transition-delay:.25s}
.spine .open b{font:300 clamp(24px,2.6vw,38px)/1.1 var(--serif)}
.spine .open small{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;opacity:.8}
.spine .open i{font-style:normal;font-weight:600;border-bottom:1px solid currentColor;align-self:flex-start}
.spine:nth-child(1){background:var(--ink);color:var(--paper)}
.spine:nth-child(2){background:var(--rust);color:#fff}
.spine:nth-child(3){background:var(--sun);color:var(--ink)}
.spine:nth-child(4){background:var(--sage);color:#fff}

/* regions */
.regions{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line-strong)}
.rg{padding:34px 32px 30px;border-right:1px solid var(--line-strong);display:flex;flex-direction:column;min-height:560px;transition:background .3s;position:relative}
.rg:last-child{border-right:0}
.rg:hover{background:var(--paper2)}.rg:nth-child(2):hover{background:var(--sky-l)}.rg:nth-child(3):hover{background:var(--peach)}
.rg .top{display:flex;justify-content:space-between;font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
.rg h3{font-size:clamp(40px,4.6vw,68px);margin:34px 0 6px}
.rg .pf{margin:auto 0 24px;height:120px;position:relative}
.rg .pf svg{width:100%;height:100%}
.rg .pf path{fill:none;stroke:var(--ink);stroke-width:2;vector-effect:non-scaling-stroke}
.rg .pf .e{opacity:.25;stroke-width:1}
.rg .pf circle{fill:var(--rust);stroke:#fff;stroke-width:3}
.rg h5{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--rust);margin-bottom:8px}
.rg p{color:var(--ink2);font-size:16px}
.rg .go{margin-top:18px;font-weight:600;display:flex;gap:10px;align-items:center}
.rg .go::after{content:"→";transition:transform .25s}.rg:hover .go::after{transform:translateX(6px)}

/* about */
.about{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(30px,6vw,100px);align-items:center}
.about blockquote{font:300 clamp(30px,4.2vw,62px)/1.1 var(--serif);letter-spacing:-.02em}
.about blockquote::before{content:"“";display:block;font-size:2.6em;line-height:.6;color:var(--rust);margin-bottom:18px}
.about blockquote cite{display:block;margin-top:26px;font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute);font-style:normal}
.about .copy p{margin-bottom:18px;color:var(--ink2)}
.about .copy h3{font-size:clamp(26px,2.6vw,38px);font-weight:400;margin-bottom:22px}
.partners{margin-top:34px;border:1.5px dashed var(--line-strong);padding:20px 24px;display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.partners b{font:500 12px var(--mono);letter-spacing:.12em;text-transform:uppercase}
.partners span{color:var(--mute);font-size:14px}

/* cta + footer */
.cta{background:var(--rust);color:#fff;position:relative;overflow:hidden;border-bottom:0}
.cta::before{content:"";position:absolute;inset:-10% -10% auto auto;width:900px;height:464px;background:url(../img/terrain-light.svg) center/contain no-repeat;opacity:.35;transform:translate(8%,-4%)}
.cta .wrap{position:relative;display:grid;grid-template-columns:1.5fr 1fr;gap:50px;align-items:end}
.cta h2{font-size:clamp(46px,7.4vw,118px)}
.cta .eyebrow{color:#fff;margin-bottom:26px}
.cta p{font-size:19px;margin-bottom:28px;max-width:40ch}
.cta .btn{background:var(--sun);color:var(--ink);border-color:var(--sun)}
.cta .btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.cta .mail{display:block;margin-top:22px;font:500 14px var(--mono);letter-spacing:.06em}
footer{background:var(--ink);color:var(--paper);padding:70px 0 0;overflow:hidden}
.fgrid{display:grid;grid-template-columns:1.3fr 1.2fr .8fr;gap:50px;padding-bottom:70px}
footer h4{font:500 11px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--sun);margin-bottom:16px}
footer p,footer li{font-size:15px;color:#DCE3E7;list-style:none}
footer li{padding:4px 0}footer a:hover{color:var(--rust-soft)}
.ph{display:inline-block;font:500 12px var(--mono);border:1px dashed var(--sage);padding:2px 8px;color:var(--sage)}
.sub-note{border:1px solid rgba(255,255,255,.3);padding:16px;margin-top:12px;font-size:13.5px}
.flinks{columns:2}
.legal{border-top:1px solid rgba(255,255,255,.2);padding:20px 0;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font:400 11px var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#BCCAD2}
.legal nav{display:flex;gap:22px}


/* responsive */
@media(max-width:1100px){
  .nav,.lang{display:none}.burger{display:block;position:relative}
  .burger summary{list-style:none;font:500 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--ink);border-radius:99px;padding:10px 18px;cursor:pointer}
  .burger summary::-webkit-details-marker{display:none}
  .burger nav{position:absolute;right:0;top:52px;width:min(86vw,340px);background:var(--paper);border:1px solid var(--line-strong);padding:14px;z-index:40;max-height:75vh;overflow:auto}
  .burger nav a{display:block;padding:10px 6px;border-bottom:1px solid var(--line);font-weight:500}
  .burger nav .s a{padding-left:22px;font-size:14px;color:var(--mute);font-weight:400}
  .row{grid-template-columns:50px 70px 1fr 40px}.row p,.row .by{display:none}
  .row .n{font-size:28px}
}
@media(max-width:900px){
  .legend .wrap{grid-template-columns:1fr 1fr}.legend .t{grid-column:1/-1;padding:16px 0 0}.legend dl:nth-of-type(odd){border-left:0}
  .shead,.about,.anat-grid,.cta .wrap,.mp{grid-template-columns:1fr}.shead{gap:18px}
  .picker{grid-template-columns:1fr}.picker .tabs{border-right:0;border-bottom:1px solid var(--line-strong)}
  .sheet{grid-template-columns:1fr}
  .regions{grid-template-columns:1fr}.rg{border-right:0;border-bottom:1px solid var(--line-strong);min-height:0}.rg:last-child{border:0}
  .fgrid{grid-template-columns:1fr;gap:34px}
  .names{grid-template-columns:repeat(5,1fr)}.names label{font-size:11px;padding-right:4px}
  .shelf{flex-direction:column;height:auto;border-bottom-width:1px}
  .spine{flex:none;height:78px;padding:0 18px;border-right:0;border-bottom:1px solid var(--line-strong);transition:height .5s;align-items:flex-start}
  .spine:hover,.spine:focus-visible{height:300px;flex:none}
  .spine .v{writing-mode:horizontal-tb;transform:none;width:auto;height:78px;flex:none;gap:18px;font-size:20px;justify-content:flex-start}
  .spine .v span{max-height:none;white-space:normal;line-height:1.15}
  .spine .open{position:absolute;left:18px;right:18px;top:78px;bottom:18px;padding:0;min-width:0}
  .hint{display:none}.hero h1 span{padding-left:0}
  .field{right:-40vw;bottom:0;width:190vw}.hero p.lede{max-width:100%}
}
@media(max-width:700px){.masthead .wrap{flex-direction:column;gap:4px}.masthead span:last-child{display:none}.hero-top .mono{display:none}.hero-top{justify-content:flex-start}.hero h1{margin-top:22vh}.readout{display:none}}
@media(max-width:700px){.legend .wrap{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.legend dl{padding:14px 10px;min-width:0}.spine .v{width:100%;white-space:normal;gap:12px;font-size:17px}.spine .v span{flex:1;min-width:0}.spine .v em{flex:none}.hero h1{font-size:clamp(44px,13.4vw,80px)}}
@media(max-width:560px){.masthead .mh-hide{display:none}.hdr .brand small{display:none}.brand b{font-size:17px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.hero .eyebrow{color:var(--ink)}.hero h1 em{color:var(--rust)}.node i{background:var(--sun);box-shadow:0 0 0 5px #fff,0 0 0 6px var(--ink)}.lens,.lens::before,.lens::after{border-color:var(--ink)}.lens::before,.lens::after{background:var(--ink)}svg.lines path{stroke:var(--ink)}.hero .geo a,.hero .btn:not(.solid){background:var(--paper)}


/* Brand application: the supplied gradient master stays unaltered on white. */
header{background:var(--paper)}
.brand{flex-shrink:0}
.nav .contact a{background:var(--navy);color:#fff}
.nav .contact a:hover{background:var(--copper-dark)}
.masthead{background:var(--navy);color:#fff}
.btn.solid{background:var(--navy);color:#fff}
.btn:hover{background:var(--copper-dark);border-color:var(--copper-dark);color:#fff}
.hero{background:var(--navy);color:#fff;border-bottom:0;min-height:720px}
.hero .eyebrow,.hero h1 em,.hero .hint b{color:var(--copper-light)}
.hero-top .mono{color:#DCE3E7}
.hero h1{color:#fff;font-size:clamp(48px,8vw,116px);font-weight:400;line-height:1.12;text-shadow:0 0 32px var(--navy)}
.hero p.lede{background:none;color:#E4E9EC;padding:0;text-shadow:0 0 16px var(--navy)}
.field{--r:300px;isolation:isolate}.field .base{opacity:1}
.hero .btn.solid{background:#fff;color:var(--navy);border-color:#fff}
.hero .btn.solid:hover{background:var(--rust-soft);border-color:var(--rust-soft)}
.hero .btn:not(.solid){background:transparent;border-color:var(--copper-light);color:#fff}
.hero .btn:not(.solid):hover{background:var(--copper-dark);border-color:var(--copper-dark)}
.hero .geo a{background:var(--navy);border-color:var(--copper-light);color:#fff}
.hero .geo a:hover,.hero .geo a:focus-visible{background:#fff;color:var(--navy);border-color:#fff}
.hero .lens{border-color:var(--copper-light)}
.hero .lens::before,.hero .lens::after{background:var(--copper-light)}
.hero svg.lines path{stroke:var(--copper-light);opacity:.7}
.hero .node i{background:var(--copper-light);box-shadow:0 0 0 5px var(--navy),0 0 0 6px var(--copper-light)}
.hero .node span{background:var(--navy);color:#fff}
.hero .readout{background:#fff;color:var(--navy);left:auto;top:auto;right:var(--pad);bottom:88px;transform:none;max-width:40%;white-space:normal}
.hero .hint{background:var(--navy);border-color:var(--copper-light);color:#fff}
.sheet .conf i.on{background:var(--copper)}
.profile .ridge{stroke:var(--copper)}
.doc{box-shadow:10px 10px 0 var(--copper)}
.row .n,.row:nth-child(n) .n{color:var(--copper-dark)}
.row:hover .n{color:var(--copper-light)}
.spine:nth-child(1){background:var(--navy);color:#fff}
.spine:nth-child(2){background:var(--copper);color:var(--navy)}
.spine:nth-child(3){background:var(--paper);color:var(--navy)}
.spine:nth-child(4){background:var(--paper3);color:var(--navy)}
.cta{background:var(--navy);color:#fff}
.cta .eyebrow{color:var(--copper-light)}
.cta .btn{background:#fff;color:var(--navy);border-color:#fff}
.cta .btn:hover{background:var(--rust-soft);border-color:var(--rust-soft)}
footer{background:var(--navy)}
footer h4,footer a:hover{color:var(--copper-light)}
.ph{border-color:var(--copper-light);color:var(--copper-light)}
.footer-identity{background:#fff;padding:28px var(--pad);margin-bottom:36px;display:flex;justify-content:center}
.footer-identity a{display:block;width:480px;max-width:100%}
.footer-identity img{width:100%;height:auto}
.anat-grid>*{min-width:0}
.doc .dh,.doc .foot{flex-wrap:wrap;gap:10px}
.sheet .conf{flex-wrap:wrap}
@media(max-width:400px){
  .row{grid-template-columns:28px 38px minmax(0,1fr) 20px;gap:10px}
  .row h3{font-size:19px;overflow-wrap:anywhere}
  .row .c{padding:6px 2px;font-size:10px}
  .doc{transform:none;padding:22px 18px}
  .seal{right:8px;top:-28px;width:76px;height:76px}
  .doc .dh{padding-top:28px}
  .standards li{grid-template-columns:40px 1fr;gap:10px}
  .standards span{grid-column:2;justify-self:start}
  .red::after{white-space:normal;width:150px}
}
@media(max-width:700px){
  .hero{min-height:740px}.hero h1{margin-top:100px;font-size:clamp(36px,8.8vw,62px)}
  .hero h1 span{margin-top:8px}.hero h1 em{display:block}
  .hero-top .eyebrow{font-size:10px;letter-spacing:.08em}
  .footer-identity{padding:20px 0}
}