/* ===== RESET ===== */
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--font-body);font-size:var(--step-0);line-height:var(--lh-0);
  letter-spacing:var(--tr-0);font-weight:var(--w-body);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-synthesis-weight:none;overflow-x:clip;
}
img,svg,video{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit;letter-spacing:inherit;color:inherit}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--ox-700);outline-offset:3px}
::selection{background:var(--ox-700);color:var(--bone-100)}

/* ===== LAYOUT PRIMITIVES ===== */
.shell{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--margin)}
.grid{display:grid;grid-template-columns:repeat(var(--cols),minmax(0,1fr));
      column-gap:var(--gutter);row-gap:var(--row-gap)}

/* column utilities — inline grid-column values could not be overridden at
   the breakpoints, so every span is a class that collapses predictably */
.gc-full   {grid-column:1/-1}
.gc-label  {grid-column:1/3}
.gc-body   {grid-column:4/12}
.gc-wide   {grid-column:1/9}
.gc-wider  {grid-column:1/10}
.gc-media  {grid-column:1/6}
.gc-copy   {grid-column:7/13}
.gc-media-l{grid-column:1/7}
.gc-copy-r {grid-column:8/13}
.gc-measure{grid-column:3/11}
.gc-meta   {grid-column:11/13;justify-self:end;align-self:end}
.gc-t1{grid-column:1/5} .gc-t2{grid-column:5/9} .gc-t3{grid-column:9/13}
@media (max-width:1000px){
  .gc-label,.gc-body,.gc-wide,.gc-wider,.gc-media,.gc-copy,
  .gc-media-l,.gc-copy-r,.gc-measure,.gc-meta{grid-column:1/-1}
  .gc-meta{justify-self:start;align-self:auto}
  .gc-t1,.gc-t2,.gc-t3{grid-column:span 2}
}
@media (max-width:640px){.gc-t1,.gc-t2,.gc-t3{grid-column:1/-1}}

.section{padding-block:var(--pad-section)}
.section--lg{padding-block:var(--pad-section-lg)}
.section--flush-t{padding-top:0}
.section--flush-b{padding-bottom:0}

/* exposed column guides — "perfectly gridded", made literal */
.ruled{position:relative;isolation:isolate}
.ruled::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:-1;
  background-image:repeating-linear-gradient(to right,
    var(--rule-soft) 0 1px,
    transparent 1px calc(var(--col-w) + var(--gutter)));
  background-position:var(--margin) 0;
  background-size:calc(100% - var(--margin)*2) 100%;
  background-repeat:no-repeat;
}
@media (max-width:640px){.ruled::before{display:none}}
.hr{height:1px;background:var(--rule);border:0;width:100%}

/* ===== TYPOGRAPHY ===== */
.d-mega,.d-xxl,.d-xl,.d-lg,.d-md{
  font-family:var(--font-display);font-weight:var(--w-disp);text-wrap:balance;
}
.d-mega{font-size:var(--step-6);line-height:var(--lh-6);letter-spacing:var(--tr-6)}
.d-xxl {font-size:var(--step-5);line-height:var(--lh-5);letter-spacing:var(--tr-5)}
.d-xl  {font-size:var(--step-4);line-height:var(--lh-4);letter-spacing:var(--tr-4)}
.d-lg  {font-size:var(--step-3);line-height:var(--lh-3);letter-spacing:var(--tr-3)}
.d-md  {font-size:var(--step-2);line-height:var(--lh-2);letter-spacing:var(--tr-2)}
/* line-splitting measures real line boxes — balance would fight it */
[data-split]{text-wrap:initial}

.lead{font-size:var(--step-1);line-height:var(--lh-1);letter-spacing:var(--tr-1);
      max-width:var(--measure);color:var(--ink-soft);text-wrap:pretty}
.prose{max-width:var(--measure);color:var(--ink-soft);text-wrap:pretty}
.prose p+p{margin-top:1.1em}
.prose strong{color:var(--ink);font-weight:var(--w-disp)}

.eyebrow{
  font-family:var(--font-mono);font-size:var(--t-micro);font-weight:500;
  letter-spacing:var(--tr-wide);text-transform:uppercase;color:var(--brand);
  line-height:var(--lh--1);display:flex;align-items:center;gap:.8em;
}
.eyebrow::before{content:"";width:1.9em;height:1px;background:currentColor;opacity:.5;flex:none}
.eyebrow--bare::before{display:none}
.num{font-family:var(--font-mono);font-size:var(--t-micro);letter-spacing:.1em;
     color:var(--ink-mute);font-variant-numeric:tabular-nums;line-height:var(--lh--1)}
.mono{font-family:var(--font-mono);letter-spacing:.02em}

/* ===== INVERTED SURFACE ===== */
.invert{background:var(--bg-invert);color:var(--ink-invert);
        --rule:var(--rule-inv);--rule-soft:color-mix(in oklab,var(--bone-200) 8%,transparent);
        --ink:var(--bone-200);--ink-soft:#B5AAA0;--ink-mute:#8A7F76;--brand:var(--bone-300)}
.invert ::selection{background:var(--bone-200);color:var(--ox-900)}

/* ===== BUTTONS ===== */
.btn{
  --btn-fg:var(--bone-100);--btn-bg:var(--ox-700);
  position:relative;display:inline-flex;align-items:center;gap:.85em;
  padding:1.05em 1.9em;background:var(--btn-bg);color:var(--btn-fg);
  font-family:var(--font-display);font-weight:var(--w-disp);font-size:14px;
  letter-spacing:.04em;border:1px solid var(--btn-bg);cursor:pointer;
  overflow:hidden;isolation:isolate;text-transform:uppercase;line-height:1;
  transition:color var(--d-standard) var(--ease);
}
.btn::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--btn-fg);
  transform:scaleY(0);transform-origin:bottom;
  transition:transform var(--d-standard) var(--ease-inout)}
.btn:hover{color:var(--btn-bg)}
.btn:hover::after{transform:scaleY(1)}
.btn .arw{transition:transform var(--d-standard) var(--ease);flex:none}
.btn:hover .arw{transform:translate(.3em,-.3em)}
.btn--ghost{--btn-bg:transparent;--btn-fg:var(--ink);border-color:var(--ox-a25)}
.btn--ghost::after{background:var(--ox-700)}
.btn--ghost:hover{color:var(--bone-100);border-color:var(--ox-700)}
.btn--lg{padding:1.25em 2.3em;font-size:15px}
.invert .btn{--btn-bg:var(--bone-200);--btn-fg:var(--ox-900)}
.invert .btn--ghost{--btn-bg:transparent;--btn-fg:var(--bone-200);border-color:var(--rule-inv)}
.invert .btn--ghost::after{background:var(--bone-200)}
.invert .btn--ghost:hover{color:var(--ox-900)}

/* underline link */
.ln{position:relative;display:inline-block;padding-bottom:.14em;background:none;border:0;
    cursor:pointer;font:inherit;letter-spacing:inherit}
.ln::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:currentColor;transform:scaleX(0);transform-origin:right;
  transition:transform var(--d-standard) var(--ease)}
.ln:hover::after{transform:scaleX(1);transform-origin:left}

/* ===== MOTION UTILITIES =====
   Reveals are clip-path insets / transforms, never bare opacity.
   EVERY hiding rule is gated on html.js so a script failure or a blocked
   bundle degrades to fully visible content instead of a blank page. */
.rv-line{display:block;overflow:hidden;
  /* overflow:hidden would otherwise shave the descenders off g y p j q */
  padding-bottom:.18em;margin-bottom:-.18em}
.rv-line>*{display:block;
  transition:transform var(--d-deliberate) var(--ease-out) var(--rv-d,0ms)}
html.js .rv-line>*{transform:translateY(105%)}
html.js .rv.is-in .rv-line>*{transform:translateY(0)}

.wipe{transition:clip-path var(--d-reveal) var(--ease-out) var(--rv-d,0ms)}
html.js .wipe{clip-path:inset(0 0 100% 0)}
html.js .wipe.is-in{clip-path:inset(0 0 0 0)}

.fade{transition:opacity var(--d-reveal) var(--ease-out) var(--rv-d,0ms),
                 transform var(--d-reveal) var(--ease-out) var(--rv-d,0ms)}
html.js .fade{opacity:0;transform:translateY(1.2rem)}
html.js .fade.is-in{opacity:1;transform:none}

.rule-draw{transform-origin:left;
  transition:transform var(--d-deliberate) var(--ease-inout) var(--rv-d,0ms)}
html.js .rule-draw{transform:scaleX(0)}
html.js .rule-draw.is-in{transform:scaleX(1)}

/* the class already being toggled manages layer promotion for free —
   no permanently-promoted layers, no Safari white-tile flashing */
html.js .fade:not(.is-in),
html.js .wipe:not(.is-in){will-change:opacity,transform,clip-path}

/* Reduced motion: 0.01ms, never `none` — `none` would revert a reveal
   element to its authored (hidden) state and lose the content. */
@media (prefers-reduced-motion:reduce){
  html.js .rv-line>*{transform:none!important}
  html.js .fade{opacity:1!important;transform:none!important}
  html.js .wipe{clip-path:none!important}
  html.js .rule-draw{transform:scaleX(1)!important}
  html.js .fade,html.js .wipe,html.js .rule-draw,html.js .rv-line>*{
    transition-duration:.01ms!important}
}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:var(--margin);top:-4rem;z-index:200;background:var(--ox-700);
  color:var(--bone-100);padding:.8em 1.4em;font-size:14px;
  transition:top var(--d-standard) var(--ease)}
.skip:focus{top:1rem}