*{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{margin:0;background:#232323;}
  a{text-decoration:none;color:inherit;}
  button{font:inherit;background:none;border:none;padding:0;cursor:pointer;color:inherit;}
  img{max-width:100%;}
  ::selection{background:#af9f87;color:#232323;}

  .page{
    --black:#232323; --mid-black:#393939; --slate:#697278; --sand:#BAAA91;
    --light-grey:#e0ddda; --mid-grey:#ddd8d1; --dark-grey:#d0cbc5;
    --white:#fffffe; --green:#69786b; --light-brown:#af9f87; --brown:#697278;
    --ease:cubic-bezier(.165,.84,.44,1);
    --sides:clamp(20px,4vw,50px); --maxw:1340px;
    position:relative;width:100%;background:var(--black);color:var(--white);
    font-family:'Inter','Helvetica Neue',Helvetica,Arial,sans-serif;font-weight:400;
    -webkit-font-smoothing:antialiased;overflow-x:clip;
  }

  .band{position:relative;background:var(--bg);color:var(--fg);}
  .band-slate {--bg:#697278;--fg:#fffffe;--dim:rgba(255,255,254,.95);--line:rgba(255,255,254,.14);--chip:rgba(35,35,35,.22);--rule:rgba(255,255,254,.055);--mark:brightness(0) invert(1);}
  .band-black {--bg:#232323;--fg:#fffffe;--dim:rgba(255,255,254,.62);--line:rgba(255,255,254,.10);--chip:rgba(255,255,254,.07);--rule:rgba(255,255,254,.042);--mark:brightness(0) invert(1);}
  .band-light {--bg:#e0ddda;--fg:#232323;--dim:rgba(35,35,35,.66);--line:rgba(35,35,35,.13);--chip:rgba(35,35,35,.07);--rule:rgba(35,35,35,.05);--mark:brightness(0);}
  /* soft neutral for content sections: the light band's type on #EAE8E6 */
  .band-stone {--bg:#eae8e6;--fg:#232323;--dim:rgba(35,35,35,.66);--line:rgba(35,35,35,.13);--chip:rgba(35,35,35,.07);--rule:rgba(35,35,35,.05);--mark:brightness(0);}
  /* The platform on slate: the bullet hover lifts to white, not brown */
  .band-slate .area-list li:hover::before{background:var(--fg);}
  /* inactive tabs stay a step back from the active one; at this size 70%
     white still clears the large-text contrast minimum (3.3:1) */
  .band-slate .tab{color:rgba(255,255,254,.7);}
  .band-slate .tab:hover,.band-slate .tab.active,.band-slate .tab:focus-visible{color:var(--fg);}
  .band-mid   {--bg:#ddd8d1;--fg:#232323;--dim:rgba(35,35,35,.70);--line:rgba(35,35,35,.13);--chip:rgba(35,35,35,.07);--rule:rgba(35,35,35,.05);--mark:brightness(0);}
  .band-deep  {--bg:#d0cbc5;--fg:#232323;--dim:rgba(35,35,35,.66);--line:rgba(35,35,35,.13);--chip:rgba(35,35,35,.07);--rule:rgba(35,35,35,.05);--mark:brightness(0);}
  .band-white {--bg:#fffffe;--fg:#232323;--dim:rgba(35,35,35,.66);--line:rgba(35,35,35,.11);--chip:rgba(35,35,35,.06);--rule:rgba(35,35,35,.05);--mark:brightness(0);}
  /* ── the light hero ──────────────────────────────────────────────
     Same ground as the section below it (#e0ddda). The field's lines,
     ticks and marks are tokens so the architecture simply re-reads
     dark on a light band; the marks land near #666 and stay at the
     same low opacity, so they read as watermarks. */
  .band-sand  {--bg:#fffffe;--fg:#282725;--dim:#55514e;--line:#b8b1aa;--chip:rgba(40,39,37,.07);--rule:rgba(40,39,37,.05);--mark:brightness(0);
    --tick-rule:#b8b1aa;--pf-line:rgba(40,39,37,.05);--pf-tick:rgba(40,39,37,.18);}

  .shell{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding-inline:var(--sides);}
  .rules{position:absolute;inset:0;z-index:0;pointer-events:none;max-width:var(--maxw);margin-inline:auto;
    display:grid;grid-template-columns:repeat(9,minmax(0,1fr));
    -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 13%,#000 87%,transparent 100%);
    mask-image:linear-gradient(to bottom,transparent 0,#000 13%,#000 87%,transparent 100%);}
  .rules span{border-left:1px solid var(--rule);}
  .rules span:last-child{border-right:1px solid var(--rule);}
  .pad{padding-block:clamp(72px,10vw,130px);}

  .it{font-family:'Newsreader',Georgia,serif;font-style:italic;font-weight:300;}
  h1,h2,h3{margin:0;font-weight:300;}
  .display{font-family:'Newsreader',Georgia,serif;font-weight:300;
    font-size:clamp(42px,7.4vw,104px);line-height:1.0;letter-spacing:-.05em;}
  .h2{font-family:'Newsreader',Georgia,serif;font-weight:300;
    font-size:clamp(30px,4.6vw,62px);line-height:1.02;letter-spacing:-.04em;}
  /* the news heading carries a touch more weight than the rest of the serif */
  .h2-solid{font-weight:400;}
  /* section title: a quiet italic marker in parentheses at the head of each section */
  .sec-title{margin:0 0 clamp(16px,1.8vw,26px);font-family:'Newsreader',Georgia,serif;
    font-style:italic;font-weight:300;font-size:clamp(12.5px,1.02vw,15px);line-height:1.42;
    letter-spacing:-.01em;color:var(--dim);}
  .row-label .sec-title,.hero-top .sec-title{margin-bottom:0;}
  .body{margin:0;font-size:clamp(14px,1.05vw,15px);line-height:1.62;color:var(--dim);letter-spacing:-.01em;}
  .body .lead{color:var(--fg);font-weight:500;}

  .cta{position:relative;display:inline-flex;align-items:baseline;gap:9px;padding-bottom:5px;color:var(--fg);
    font-size:clamp(14px,1.08vw,16px);font-weight:500;letter-spacing:-.02em;line-height:1.3;}
  .cta::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;
    transform:scaleX(0);transform-origin:left;transition:transform .65s var(--ease);}
  .cta:hover::after,.cta:focus-visible::after{transform:scaleX(1);}
  .cta svg{flex:none;width:10px;height:10px;align-self:center;transition:transform .55s var(--ease);}
  .cta:hover svg,.cta:focus-visible svg{transform:translate(3px,-3px);}
  .cta:focus-visible{outline:none;}
  .cta-lg{font-size:clamp(15px,1.3vw,19px);}
  .cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(20px,2.6vw,38px);}
  .cta-2{color:var(--dim);} .cta-2:hover{color:var(--fg);}

  .site-header{position:fixed;top:0;left:0;right:0;z-index:70;display:flex;align-items:center;justify-content:space-between;gap:24px;
    height:87px;padding-inline:var(--sides);transition:background-color .6s var(--ease),height .6s var(--ease);}
  .site-header.is-scrolled{height:68px;background:rgba(35,35,35,.92);backdrop-filter:saturate(140%) blur(6px);-webkit-backdrop-filter:saturate(140%) blur(6px);}
  .logo{display:inline-flex;align-items:center;min-height:44px;}
  .logo img{height:27.77px;width:auto;display:block;filter:brightness(0) invert(1);}
  .main-nav{display:flex;align-items:center;gap:clamp(16px,2vw,30px);}
  /* centred on the page, not in the space the logo and the right-hand
     links leave, so it shares the axis of the centred hero below; the bar
     is fixed, so this is placed within it and moves with its height */
  @media (min-width:1001px){
    .main-nav{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);}
  }
  /* nav links take the same drawn rule as the text CTAs;
     the current page keeps its rule drawn */
  .main-nav a{position:relative;font-size:14px;letter-spacing:-.02em;color:rgba(255,255,254,.78);transition:color .5s var(--ease);}
  .main-nav a::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:1px;background:currentColor;
    transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);}
  .main-nav a:hover,.main-nav a:focus-visible,.main-nav a.is-current{color:#fffffe;}
  .main-nav a:hover::after,.main-nav a:focus-visible::after,.main-nav a.is-current::after{transform:scaleX(1);}
  .header-right{display:flex;align-items:center;gap:clamp(16px,1.8vw,26px);}
  .header-right .cta{font-size:14px;color:rgba(255,255,254,.78);}
  .header-right .cta:hover{color:#fffffe;}
  .nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;margin-right:-10px;color:#fffffe;}

  /* Over the light hero the bar is clear, the warm-white ground running up
     behind it, with the charcoal logo and type. Past 50px of scroll it fills
     with warm white in .28s, a hairline under it, and clears again at the top. */
  .site-header{background-color:rgba(255,255,254,0);box-shadow:0 1px 0 rgba(35,35,35,0);
    transition:background-color .28s var(--ease),box-shadow .28s var(--ease),height .6s var(--ease);}
  .site-header.is-scrolled{background-color:#fffffe;box-shadow:0 1px 0 rgba(35,35,35,.08);
    backdrop-filter:none;-webkit-backdrop-filter:none;}
  .site-header .logo img{filter:brightness(0);}
  .site-header .main-nav a,
  .site-header .header-right .cta{color:rgba(40,39,37,.78);}
  .site-header .main-nav a:hover,
  .site-header .main-nav a:focus-visible,
  .site-header .main-nav a.is-current,
  .site-header .header-right .cta:hover{color:#282725;}
  .site-header .nav-toggle{color:#282725;}
  .mobile-menu{position:fixed;inset:0;z-index:80;display:flex;flex-direction:column;background:var(--black);color:#fffffe;}
  .mobile-menu-close{position:absolute;top:12px;right:12px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:30px;line-height:1;}
  .mobile-menu nav{flex:1 1 auto;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:90px clamp(24px,7vw,56px) 24px;}
  .mobile-menu nav a{font-family:'Newsreader',Georgia,serif;font-weight:300;font-size:clamp(32px,9vw,52px);letter-spacing:-.04em;}
  .mobile-menu-foot{display:flex;flex-wrap:wrap;gap:22px;padding:0 clamp(24px,7vw,56px) 44px;}

  .phero{padding-top:clamp(150px,16vw,220px);padding-bottom:clamp(60px,7vw,96px);}
  .phero-grid{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));column-gap:20px;row-gap:clamp(26px,3vw,40px);align-items:end;}
  .phero-head{grid-column:1 / span 6;}
  .phero-lede{grid-column:7 / span 3;}
  /* ── the hero's one line ─────────────────────────────────────────
     The field keeps its six columns, but only the rule at 4/6 is drawn:
     the second vertical counting from the right, in its original place,
     colour and weight. Everything else — the other four verticals, both
     horizontals and the surveyor ticks, which would otherwise mark
     crossings that no longer exist — stands down.

     The supporting line then sits in the rectangle that rule opens. The
     field spans the viewport while the copy lives in a centred shell
     capped at 1340px, so the two do not share a coordinate system: the
     offsets below convert between them exactly, which is why there are
     two cases. Up to 1340 the shell fills the viewport; past it the
     shell is centred and the sums carry the difference. */
  /* a 96px first row, the same height the homepage gives its top row,
     so the one horizontal sits at exactly the same line on every page */
  .pfield{grid-template-rows:96px repeat(2,minmax(0,1fr));}
  .pfield .pf-cell{border-right:0;border-bottom:0;}
  .pfield .pf-cell:nth-of-type(6n+4){border-right:1px solid var(--pf-line,rgba(40,39,37,.05));}
  .pfield .pf-cell:nth-of-type(-n+6){border-bottom:1px solid var(--pf-line,rgba(40,39,37,.05));}
  .pfield .pf-cell.mk::after{display:none;}

  @media (min-width:1001px){
    .phero .phero-lede{position:absolute;top:auto;
      left:66.667vw;right:var(--sides);
      bottom:calc(clamp(60px,7vw,96px) - 26px);
      width:auto;max-width:none;margin:0;
      padding-left:clamp(18px,2vw,34px);}
  }
  @media (min-width:1341px){
    .phero .phero-lede{left:calc(16.667vw + 670px);
      right:calc(670px - 50vw + var(--sides));}
  }
  /* below that the copy runs full width, so the vertical would cross it:
     it stands down and the line under the header carries on alone */
  @media (max-width:1000px){
    .pfield .pf-cell:nth-of-type(6n+4){border-right:0;}
  }

  .phero h1 .it{color:var(--sand);}
  /* the break holds at every width: these headlines are set as two
     lines by design, not by where the measure happens to run out */

  /* ── approach: three numbered steps ──────────────────── */
  .steps{list-style:none;margin:clamp(40px,4.6vw,70px) 0 0;padding:0;}
  .steps li{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));column-gap:20px;row-gap:10px;
    padding-block:clamp(24px,2.8vw,40px);border-top:1px solid var(--line);}
  .steps li:last-child{border-bottom:1px solid var(--line);}
  .sp-i{grid-column:1 / span 1;font-size:11px;letter-spacing:.09em;color:var(--dim);font-variant-numeric:tabular-nums;}
  .sp-t{grid-column:2 / span 3;margin:0;font-family:'Newsreader',Georgia,serif;font-weight:300;
    font-size:clamp(22px,2.6vw,38px);line-height:1.04;letter-spacing:-.03em;color:var(--fg);}
  .sp-d{grid-column:6 / span 4;margin:0;font-size:clamp(14px,1.05vw,15px);line-height:1.62;color:var(--dim);}

  /* ── platform: tabs set as a typographic index ───────── */
  .tabs{display:flex;flex-wrap:wrap;gap:clamp(16px,2.4vw,40px);
    margin-top:clamp(38px,4.4vw,64px);padding-bottom:18px;border-bottom:1px solid var(--line);}
  .tab{position:relative;padding-bottom:10px;font-family:'Newsreader',Georgia,serif;font-weight:300;
    font-size:clamp(21px,2.4vw,34px);letter-spacing:-.035em;line-height:1;color:var(--dim);
    transition:color .5s var(--ease);}
  .tab::after{content:'';position:absolute;left:0;right:0;bottom:-19px;height:1px;background:currentColor;
    transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease);}
  .tab:hover{color:var(--fg);}
  .tab.active{color:var(--fg);}
  .tab.active::after{transform:scaleX(1);}
  .tab:focus-visible{outline:none;color:var(--fg);}
  .area{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));column-gap:20px;row-gap:18px;
    padding-top:clamp(28px,3.2vw,46px);}
  /* the panel settles in rather than snapping as tabs change */
  .fade-a,.fade-b{animation:areain .6s var(--ease) both;}
  @keyframes areain{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
  .area-k{grid-column:1 / span 2;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--dim);}
  .area-list{grid-column:3 / span 6;list-style:none;margin:0;padding:0;
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:clamp(24px,3vw,56px);}
  .area-list li{display:flex;align-items:baseline;gap:14px;
    padding-block:clamp(11px,1.2vw,15px);border-top:1px solid var(--line);
    font-size:clamp(15px,1.4vw,18px);letter-spacing:-.025em;color:var(--fg);}
  .area-list li::before{content:'';flex:none;width:4px;height:4px;border-radius:50%;
    background:var(--light-brown);transform:translateY(-3px);}

  /* ── newsletter: one link that opens a mail to the team ──
     No field, no form, no POST. The button is a mailto, so the reader's
     own mail client composes the message and BY answers from its inbox:
     nothing to host, nothing to configure at deploy time, and no way for
     the page to claim a subscription it never recorded. The row keeps
     the flex rule so the button sits exactly where it always has. */
  .news-form{display:flex;flex-wrap:wrap;align-items:flex-end;gap:18px;margin-top:clamp(24px,2.8vw,36px);}
  .news-fine{margin:clamp(18px,2vw,26px) 0 0;max-width:52ch;font-size:12px;line-height:1.6;color:var(--dim);}
  /* centred variant: the eyebrow, heading, button and note share one axis */
  .news-center{text-align:center;}
  .news-center .news-form{justify-content:center;}
  .news-center .news-fine{margin-inline:auto;}

  /* ── motion ───────────────────────────────────────────
     The same response the other pages use: the rule above a row
     draws itself across, the line steps in, the supporting copy
     comes up to full contrast. Nothing new on the page. */
  .steps li,.area-list li{position:relative;}
  .steps li::after,.area-list li::after{content:'';position:absolute;left:0;right:0;top:-1px;height:1px;
    background:currentColor;transform:scaleX(0);transform-origin:left;
    transition:transform .9s var(--ease);}
  .steps li:hover::after,.area-list li:hover::after{transform:scaleX(1);}
  .sp-t{transition:transform .7s var(--ease);}
  .steps li:hover .sp-t{transform:translateX(9px);}
  .sp-i{transition:color .6s var(--ease);}
  .steps li:hover .sp-i{color:var(--sand);}
  .sp-d{transition:color .6s var(--ease);}
  .steps li:hover .sp-d{color:var(--fg);}
  /* the platform items: the mark opens out, the line steps in */
  .area-list li{transition:transform .6s var(--ease);}
  .area-list li:hover{transform:translateX(7px);}
  .area-list li::before{transition:transform .6s var(--ease),background-color .6s var(--ease);}
  .area-list li:hover::before{transform:translateY(-3px) scale(1.5);background:var(--sand);}


  .rv{opacity:0;transform:translateY(20px);transition:opacity 1s var(--ease),transform 1s var(--ease);transition-delay:var(--d,0s);}
  .rv.in{opacity:1;transform:none;}
  /* the cover copy starts its rise on first paint instead of waiting for the
     script: the same 1s fade-and-rise and stagger, run as a CSS animation */
  .hero-mid > .rv,.hero > .hero-scroll.rv,.phero .rv{animation:rvIn 1s var(--ease) var(--d,0s) both;}
  @keyframes rvIn{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:none;}}

  @media (max-width:1000px){
    .main-nav{display:none;}
    .nav-toggle{display:flex;}
    /* the mobile menu carries these, so the bar keeps logo + toggle only */
    .header-right .cta{display:none;}
    .rules{grid-template-columns:repeat(3,minmax(0,1fr));}
    .rules span:nth-child(n+4){display:none;}
    .phero-head,.phero-lede{grid-column:1 / span 9;}
    .sp-i,.sp-t,.sp-d{grid-column:1 / span 9;}
    .area-k,.area-list{grid-column:1 / span 9;}
  }
  @media (max-width:640px){
    .h2{line-height:1.08;}
    .phero{padding-top:128px;}
    .area-list{grid-template-columns:1fr;}
  }
  @media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto;}
    .rv{opacity:1;transform:none;transition:none;}
    .hero-mid > .rv,.hero > .hero-scroll.rv,.phero .rv{animation:none;}
    .fade-a,.fade-b{animation:none;}
    .steps li::after,.area-list li::after{display:none;}
    .sp-t,.area-list li{transition:none;}
    .steps li:hover .sp-t,.area-list li:hover{transform:none;}
    .area-list li:hover::before{transform:translateY(-3px);}
  }