/*
 * The Drafting Table: shared design system
 * Tokens, base type, nav, buttons, section scaffolding, footer, and
 * accessibility helpers used by every page. Page-specific layout lives
 * in that page's own <style> block.
 */
:root{
  --cream:#f4ecdf;
  --cream-70:rgba(245,239,227,0.7);
  --stone:#8b8478;          /* muted text on dark */
  --stone-ink:#4f4a40;      /* muted text on paper (AA on --paper) */
  --graphite:#666660;
  --rule-dark:#302e29;      /* hairlines on dark */
  --rule-paper:rgba(13,13,11,0.15);
  --panel:#171614;
  --ink:#0d0d0b;
  --ink-88:rgba(13,13,11,0.88);
  --paper:#d8cbb8;          /* warm "trace paper" sections */
  --green:#059669;

  --font-display:'Syne',sans-serif;
  --font-body:'Inter',system-ui,sans-serif;
  --maxw:1760px;
  --gutter:40px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--ink);
  color:var(--cream);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);}
@media (max-width:560px){ :root{--gutter:20px;} }

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* ===== ACCESSIBILITY ===== */
.skip-link{
  position:absolute;left:0;top:-60px;z-index:200;
  background:var(--green);color:#fff;
  padding:14px 22px;font-weight:600;font-size:15px;letter-spacing:0.5px;
  border-radius:0 0 8px 0;transition:top .15s ease;
}
.skip-link:focus{top:0;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--green);outline-offset:3px;border-radius:2px;
}

/* ===== NAV ===== */
header.nav{
  position:sticky;top:0;z-index:50;
  background:var(--ink-88);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--rule-dark);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  max-width:var(--maxw);margin:0 auto;padding:18px var(--gutter);
}
.brand{display:flex;align-items:center;gap:16px;min-width:0;}
.brand-mark{
  width:56px;height:56px;border-radius:50%;flex-shrink:0;
  border:1.5px solid var(--cream);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:1px;
}
.brand-text p{margin:0;}
.brand-text .title{white-space:nowrap;font-weight:800;font-size:20px;color:#fff;letter-spacing:0.5px;}
.brand-text .subtitle{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;opacity:0.8;}
nav.links{display:flex;gap:44px;font-size:14px;letter-spacing:1.2px;font-weight:500;}
nav.links a{opacity:0.9;padding:4px 2px;transition:color .2s,opacity .2s;}
nav.links a:hover,nav.links a[aria-current="page"]{opacity:1;color:var(--green);}
.badge{
  border:1px solid var(--stone);border-radius:4px;
  font-size:11px;letter-spacing:1px;text-align:center;line-height:1.4;
  padding:6px 12px;white-space:nowrap;
}

.nav-toggle{
  display:none;align-items:center;justify-content:center;flex-shrink:0;
  width:44px;height:44px;
  background:transparent;border:1.5px solid var(--stone);border-radius:8px;cursor:pointer;
}
.nav-toggle .hamburger,
.nav-toggle .hamburger::before,
.nav-toggle .hamburger::after{
  content:"";display:block;width:20px;height:2px;background:var(--cream);
  transition:transform .2s ease, background .2s ease;
}
.nav-toggle .hamburger{position:relative;}
.nav-toggle .hamburger::before{position:absolute;top:-6px;left:0;}
.nav-toggle .hamburger::after{position:absolute;top:6px;left:0;}
.nav-toggle[aria-expanded="true"] .hamburger{background:transparent;}
.nav-toggle[aria-expanded="true"] .hamburger::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .hamburger::after{transform:translateY(-6px) rotate(-45deg);}

.mobile-menu{display:flex;flex-direction:column;border-top:1px solid var(--rule-dark);background:var(--ink);}
.mobile-menu[hidden]{display:none;}
.mobile-menu a{
  display:flex;align-items:center;min-height:44px;
  padding:16px var(--gutter);font-size:16px;letter-spacing:1px;font-weight:500;
  border-bottom:1px solid var(--rule-dark);
}
.mobile-menu a:hover,.mobile-menu a:focus-visible{color:var(--green);}

/* six links + brand need ~1200px; tighten first, then switch to the menu button */
@media (max-width:1200px){
  nav.links{gap:28px;}
  .badge{display:none;}
}
@media (max-width:1024px){
  nav.links{display:none;}
  .nav-toggle{display:flex;}
}
@media (max-width:560px){
  .badge,.brand-text .subtitle{display:none;}
  .nav-inner{padding:14px var(--gutter);}
}
@media (max-width:400px){
  .brand-mark{width:44px;height:44px;font-size:15px;}
  .brand-text .title{font-size:17px;}
}

/* ===== BUTTONS & LINKS ===== */
.btn-primary{
  display:inline-block;white-space:nowrap;min-height:44px;cursor:pointer;
  background:#fff;color:#000;border:1.5px solid #999;border-radius:12px;
  padding:18px 32px;font-family:var(--font-body);font-weight:600;font-size:20px;letter-spacing:1.5px;
  transition:transform .15s ease;
}
.btn-primary:hover{transform:translateY(-2px);}
.btn-primary.on-paper{background:var(--ink);color:var(--cream);border-color:var(--ink);}
/* Drafted CTA: green crop marks close in on the corners on hover/focus,
   the arrow nudges toward where the link goes, and the button presses in. */
.btn-drafted{position:relative;}
.btn-drafted::before{
  --c:var(--green);--l:12px;--w:2px;
  content:"";position:absolute;inset:-18px;pointer-events:none;opacity:0;
  background:
    linear-gradient(var(--c),var(--c)) left top / var(--l) var(--w),
    linear-gradient(var(--c),var(--c)) left top / var(--w) var(--l),
    linear-gradient(var(--c),var(--c)) right top / var(--l) var(--w),
    linear-gradient(var(--c),var(--c)) right top / var(--w) var(--l),
    linear-gradient(var(--c),var(--c)) left bottom / var(--l) var(--w),
    linear-gradient(var(--c),var(--c)) left bottom / var(--w) var(--l),
    linear-gradient(var(--c),var(--c)) right bottom / var(--l) var(--w),
    linear-gradient(var(--c),var(--c)) right bottom / var(--w) var(--l);
  background-repeat:no-repeat;
  transition:inset .3s cubic-bezier(.2,.8,.2,1),opacity .2s ease;
}
.btn-drafted:hover::before,.btn-drafted:focus-visible::before{inset:-9px;opacity:1;}
.btn-drafted:active{transform:translateY(0) scale(.97);transition-duration:.08s;}
/* Link arrows (<span class="arrow">) slide the way the link goes on hover/focus;
   .back arrows slide left, .down arrows bob toward an on-page anchor. */
.arrow{display:inline-block;transition:transform .25s cubic-bezier(.2,.8,.2,1);}
a:hover .arrow:not(.down),a:focus-visible .arrow:not(.down){transform:translateX(5px);}
a:hover .arrow.back,a:focus-visible .arrow.back{transform:translateX(-5px);}
@keyframes arrow-nudge{0%,100%{transform:translateY(0);}50%{transform:translateY(4px);}}
a:hover .arrow.down,a:focus-visible .arrow.down{animation:arrow-nudge .9s ease-in-out infinite;}
.text-link{
  display:inline-block;white-space:nowrap;padding:4px 2px;
  font-size:20px;letter-spacing:1.5px;font-weight:500;
  border-bottom:1px solid transparent;
}
.text-link:hover{border-color:currentColor;}
@media (max-width:480px){
  .btn-primary{padding:15px 24px;font-size:17px;}
  .text-link{font-size:17px;}
}

/* ===== SECTIONS ===== */
.section{padding:110px 0 130px;scroll-margin-top:90px;}
.section.dark{background:var(--ink);color:var(--cream);border-bottom:1px solid var(--rule-dark);}
.section.paper{background:var(--paper);color:var(--ink);}
@media (max-width:600px){ .section{padding:70px 0 80px;} }

.section-kicker{
  font-weight:500;font-size:14px;letter-spacing:2.5px;text-transform:uppercase;
  margin:0 0 14px;
}
/* a short green rule is drawn under each kicker as it scrolls into view */
.section-kicker::after{
  content:"";display:block;width:48px;height:2px;margin-top:10px;background:var(--green);
  transform-origin:left;transition:transform .7s .15s cubic-bezier(.2,.8,.2,1);
}
.js .section-kicker:not(.drawn)::after{transform:scaleX(0);}
.dark .section-kicker{color:var(--stone);}
.paper .section-kicker{color:var(--stone-ink);}
.section-heading{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(32px,5.6vw,64px);line-height:1.02;letter-spacing:-0.03em;
  margin:0 0 22px;
}
.section-heading .accent{color:var(--green);}

/* ===== REVEAL ON SCROLL ===== */
.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .55s ease,transform .55s ease;}
.js .reveal.visible{opacity:1;transform:none;}

/* ===== FOOTER ===== */
footer.site-footer{
  background:var(--panel);color:#fff;
  border-top:1px solid var(--rule-dark);
  padding:80px 0 50px;
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:70px;}
.footer-brand .f-title{font-family:var(--font-display);font-weight:800;font-size:30px;margin:0 0 18px;}
.footer-brand .f-tag{font-size:17px;line-height:1.6;color:#ddd;font-weight:500;max-width:360px;margin:0;}
.footer-col-title{
  font-weight:700;font-size:15px;letter-spacing:2px;text-transform:uppercase;
  margin:0 0 16px;color:var(--stone);
}
.footer-col a{
  display:flex;align-items:center;min-height:44px;
  font-size:17px;font-weight:500;color:#e6e6e6;
}
.footer-col a:hover,.footer-col a:focus-visible{color:var(--green);}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid var(--rule-dark);padding-top:28px;
  font-size:14px;letter-spacing:1px;text-transform:uppercase;color:#bbb;
}
.footer-bottom p{margin:0;}
@media (max-width:900px){ .footer-top{grid-template-columns:1fr 1fr;} }
@media (max-width:480px){
  footer.site-footer{padding:56px 0 40px;}
  .footer-top{grid-template-columns:1fr;gap:32px;margin-bottom:44px;}
}

/* ==========================================================
   CASE STUDY TEMPLATE: shared by every case study page
   ========================================================== */
.cs-breadcrumb{
  display:inline-flex;align-items:center;min-height:44px;margin:18px 0 0;
  font-size:14px;font-weight:500;letter-spacing:1.5px;text-transform:uppercase;color:var(--stone);
}
.cs-breadcrumb:hover{color:var(--green);}

/* hero */
.cs-hero{
  position:relative;overflow:hidden;
  background:radial-gradient(circle at 80% 30%, rgba(216,203,184,0.08), rgba(216,203,184,0) 40%), var(--ink);
  border-bottom:1px solid var(--rule-dark);
  padding:30px 0 90px;
}
.cs-hero::before{ /* drafting grid */
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(244,236,223,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244,236,223,0.045) 1px, transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:linear-gradient(to bottom, #000, transparent 85%);
  mask-image:linear-gradient(to bottom, #000, transparent 85%);
}
.cs-hero .wrap{position:relative;z-index:2;}

/* Paper variant: light drafting-sheet hero with a full-bleed drawing.
   <section class="cs-hero cs-hero--paper"><img class="cs-hero-bg" …> */
.cs-hero--paper{background:#efe6d6;color:var(--ink);}
.cs-hero-bg{
  position:absolute;inset:0;z-index:0;width:100%;height:100%;
  object-fit:cover;object-position:right center;opacity:0.75;pointer-events:none;
}
.cs-hero--paper::before{ /* paper wash behind the copy instead of the grid */
  z-index:1;background-image:linear-gradient(90deg, rgba(239,230,214,0.92) 0%, rgba(239,230,214,0.7) 32%, rgba(239,230,214,0) 58%);
  background-size:auto;-webkit-mask-image:none;mask-image:none;
}
.cs-hero--paper .cs-hero-top{grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);min-height:520px;}
.cs-hero--paper .cs-breadcrumb,.cs-hero--paper .cs-kicker{color:var(--stone-ink);}
.cs-hero--paper .cs-breadcrumb:hover{color:#047857;}
.cs-hero--paper .cs-eyebrow,.cs-hero--paper .cs-fact dt{color:#047857;} /* darker green: AA on paper */
.cs-hero--paper .cs-position{color:#141310;font-weight:400;}
.cs-hero--paper .cs-facts{background:rgba(13,13,11,0.2);border-color:rgba(13,13,11,0.2);}
.cs-hero--paper .cs-fact{background:rgba(244,236,223,0.88);}
.cs-hero--paper .cs-fact dd{color:#141310;font-weight:400;}
@media (max-width:900px){ /* show the whole drawing as a banner above the copy */
  .cs-hero--paper{padding-top:0;}
  .cs-hero--paper::before{display:none;}
  .cs-hero--paper .cs-hero-bg{position:relative;height:auto;object-fit:contain;}
  .cs-hero--paper .cs-hero-top{grid-template-columns:minmax(0,1fr);min-height:0;margin-top:20px;}
}
.cs-hero-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px;align-items:center;margin-top:36px;}
.cs-eyebrow{font-weight:500;font-size:14px;letter-spacing:2.5px;text-transform:uppercase;color:var(--green);margin:0 0 18px;}
.cs-kicker{font-weight:500;font-size:18px;letter-spacing:1px;color:var(--stone);margin:0 0 8px;}
.cs-title{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(32px,5.6vw,88px);line-height:0.98;letter-spacing:-0.03em;margin:0 0 26px;
}
.cs-title .accent{color:var(--green);}
.cs-position{font-weight:300;font-size:clamp(18px,1.9vw,24px);line-height:1.55;max-width:620px;margin:0;}
.cs-hero-media{border-radius:12px;overflow:hidden;box-shadow:0 40px 80px -30px rgba(0,0,0,0.7);}
.cs-hero-media img{width:100%;}
/* transparent device cut-out (laptop + phone) */
.cs-hero-devices img{width:100%;height:auto;filter:drop-shadow(0 36px 50px rgba(13,13,11,0.45));}
@media (max-width:900px){ .cs-hero-devices{max-width:560px;} }
.cs-facts{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin:70px 0 0;
  background:var(--rule-dark);border:1px solid var(--rule-dark);
}
.cs-fact{background:var(--ink);padding:24px 22px;}
.cs-fact dt{font-size:13px;font-weight:500;letter-spacing:2px;text-transform:uppercase;color:var(--green);margin:0 0 10px;}
.cs-fact dd{margin:0;font-size:16px;line-height:1.6;font-weight:300;}
@media (max-width:900px){
  .cs-hero-top{grid-template-columns:minmax(0,1fr);gap:40px;}
  .cs-facts{grid-template-columns:1fr 1fr;}
}
@media (max-width:480px){ .cs-facts{grid-template-columns:1fr;} .cs-hero{padding-bottom:64px;} }

/* body */
.cs-body{background:var(--paper);color:var(--ink);}
.cs-section{padding:100px 0;border-bottom:1px solid rgba(13,13,11,0.12);scroll-margin-top:90px;}
.cs-section:last-child{border-bottom:none;}
.cs-section-head{display:flex;align-items:baseline;gap:20px;margin-bottom:34px;}
.cs-num{font-family:var(--font-display);font-weight:800;font-size:clamp(28px,3vw,40px);color:var(--green);}
.cs-section-head h2{
  font-family:var(--font-display);font-weight:700;font-size:clamp(28px,3.4vw,44px);
  line-height:1.1;letter-spacing:-0.01em;margin:0;
}
.cs-sub{font-family:var(--font-display);font-weight:700;font-size:clamp(22px,2.2vw,28px);margin:64px 0 16px;letter-spacing:-0.01em;}
.cs-copy{font-weight:400;font-size:clamp(17px,1.6vw,20px);line-height:1.7;max-width:880px;margin:0 0 18px;color:#141310;}
.cs-copy strong{font-weight:700;color:var(--ink);}
.cs-list{font-size:clamp(16px,1.5vw,19px);line-height:1.75;max-width:880px;margin:24px 0 0;padding-left:22px;color:#141310;}
.cs-list li{margin-bottom:6px;}
.cs-list li::marker{color:var(--green);}
.cs-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;margin-top:10px;}
.cs-split h3{font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--stone-ink);margin:0 0 4px;}
@media (max-width:800px){ .cs-split{grid-template-columns:1fr;gap:24px;} }

.cs-figure{margin:44px 0 0;}
.cs-figure img,.cs-shot{
  width:100%;border-radius:8px;background:#fff;
  box-shadow:0 24px 50px -24px rgba(13,13,11,0.4);
}
.cs-caption{font-size:14px;line-height:1.5;color:var(--stone-ink);margin:14px 0 0;letter-spacing:0.3px;}
.cs-label{
  display:inline-block;margin:0 0 12px;
  font-size:12px;font-weight:600;letter-spacing:1.8px;text-transform:uppercase;color:var(--stone-ink);
}
.cs-label.good{color:var(--green);}

/* zoomable images */
.zoom{display:block;position:relative;cursor:zoom-in;border-radius:8px;}
.zoom::after{
  content:"⤢ Enlarge";position:absolute;right:12px;bottom:12px;
  font-size:12px;font-weight:600;letter-spacing:0.5px;color:#fff;
  background:rgba(13,13,11,0.82);padding:7px 12px;border-radius:20px;
  opacity:0;transition:opacity .15s ease;
}
.zoom:hover::after,.zoom:focus-visible::after{opacity:1;}
@media (hover:none){ .zoom::after{opacity:1;} }
.lightbox{
  border:none;padding:0;background:transparent;max-width:min(1200px,94vw);max-height:92vh;
}
.lightbox::backdrop{background:rgba(9,9,8,0.92);}
.lightbox img{max-width:100%;max-height:82vh;object-fit:contain;border-radius:6px;background:#fff;margin:0 auto;}
.lightbox p{color:var(--cream);font-size:15px;text-align:center;margin:14px 0 0;}
.lightbox button{
  display:block;margin:0 0 12px auto;width:44px;height:44px;border-radius:50%;cursor:pointer;
  background:transparent;border:1.5px solid var(--cream);color:var(--cream);font-size:22px;line-height:1;
}

/* cards / grids */
.cs-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:36px 0 0;max-width:1200px;}
@media (max-width:900px){ .cs-cards{grid-template-columns:1fr 1fr;} }
.cs-cards.two{grid-template-columns:1fr 1fr;max-width:1000px;}
.cs-cards.four{grid-template-columns:repeat(4,1fr);max-width:none;}
@media (max-width:1100px){ .cs-cards.four{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){ .cs-cards,.cs-cards.two,.cs-cards.four{grid-template-columns:1fr;} }
.cs-card{background:rgba(255,255,255,0.35);border:1px solid rgba(13,13,11,0.12);border-radius:10px;padding:24px 22px;}
.cs-card-tag{display:block;font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--green);margin:0 0 10px;}
.cs-card-title{font-weight:700;font-size:18px;margin:0 0 8px;color:var(--ink);}
.cs-card-desc{font-size:15px;line-height:1.6;color:var(--stone-ink);margin:0;}

.cs-platform{
  display:flex;flex-wrap:wrap;gap:1px;margin:32px 0 0;max-width:1000px;
  background:rgba(13,13,11,0.15);border:1px solid rgba(13,13,11,0.15);
}
.cs-platform div{flex:1 1 140px;background:var(--paper);padding:18px 16px;position:relative;}
.cs-platform div.current{background:var(--cream);box-shadow:inset 0 -3px 0 var(--green);}
.cs-platform b{display:block;font-size:14px;letter-spacing:1.5px;text-transform:uppercase;margin-bottom:4px;}
.cs-platform span{font-size:14px;color:var(--stone-ink);}

.cs-table-wrap{overflow-x:auto;margin:32px 0 0;}
.cs-table{width:100%;min-width:560px;max-width:1100px;border-collapse:collapse;font-size:16px;}
.cs-table th,.cs-table td{text-align:left;padding:16px 18px;border-bottom:1px solid rgba(13,13,11,0.15);vertical-align:top;line-height:1.55;}
.cs-table th{font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--stone-ink);font-weight:600;border-bottom-color:var(--ink);}
.cs-table td:first-child{font-weight:700;white-space:nowrap;}
.cs-table tr:last-child td{border-bottom:none;}

.cs-variants{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin:40px 0 0;align-items:start;}
.cs-variant .zoom{aspect-ratio:3/4;overflow:hidden;}
.cs-variant .zoom img{width:100%;height:100%;object-fit:cover;object-position:top;}
.cs-variant.chosen .zoom{outline:3px solid var(--green);outline-offset:4px;}
.cs-variant-label{display:block;margin:18px 0 4px;font-size:12px;font-weight:600;letter-spacing:1.8px;text-transform:uppercase;color:var(--green);}
.cs-variant-title{font-family:var(--font-display);font-weight:700;font-size:21px;margin:0 0 8px;}
.cs-variant-desc{font-size:15px;line-height:1.6;color:var(--stone-ink);margin:0;}
@media (max-width:900px){ .cs-variants{grid-template-columns:1fr 1fr;} }
@media (max-width:560px){ .cs-variants{grid-template-columns:1fr;} }

.cs-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin:40px 0 0;}
.cs-mobile-block{background:rgba(255,255,255,0.35);border:1px solid rgba(13,13,11,0.12);border-radius:10px;padding:26px;}
.cs-mobile-block.chosen{border:2px solid var(--green);}
.cs-mobile-states{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px;}
.cs-mobile-states img{width:100%;border-radius:6px;border:1px solid rgba(13,13,11,0.12);background:#fff;}
.cs-mobile-states .cs-caption{text-align:center;font-size:13px;margin-top:8px;}
@media (max-width:900px){ .cs-mobile-grid{grid-template-columns:1fr;} }

.cs-ba{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin:40px 0 0;align-items:start;}
.cs-ba .zoom{aspect-ratio:16/10;overflow:hidden;}
.cs-ba .zoom img{width:100%;height:100%;object-fit:cover;object-position:top;}
.cs-diff{list-style:none;margin:20px 0 0;padding:0;}
.cs-diff li{display:grid;grid-template-columns:28px 1fr;gap:10px;padding:12px 0;border-bottom:1px solid rgba(13,13,11,0.12);font-size:15px;line-height:1.55;color:#141310;}
.cs-diff li:last-child{border-bottom:none;}
.cs-diff li span{font-family:var(--font-display);font-weight:800;font-size:17px;color:var(--stone-ink);opacity:0.6;}
.cs-diff.good li span{color:var(--green);opacity:1;}
@media (max-width:800px){ .cs-ba{grid-template-columns:1fr;gap:48px;} }

.cs-tradeoffs{display:grid;grid-template-columns:1fr 1fr;gap:36px 56px;margin:36px 0 0;}
.cs-tradeoff{border-left:3px solid var(--green);padding-left:24px;}
.cs-tradeoff h3{font-weight:700;font-size:19px;margin:0 0 10px;}
.cs-tradeoff p{font-size:16px;line-height:1.65;margin:0;color:#141310;}
@media (max-width:800px){ .cs-tradeoffs{grid-template-columns:1fr;} }

.cs-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;margin:40px 0 0;max-width:1000px;
  background:rgba(13,13,11,0.12);border:1px solid rgba(13,13,11,0.12);
}
.cs-stat{background:var(--paper);padding:28px 24px;}
.cs-stat-value{font-family:var(--font-display);font-weight:800;font-size:clamp(36px,4vw,56px);line-height:1;color:var(--green);margin:0 0 10px;letter-spacing:-0.02em;}
.cs-stat-label{font-size:13px;font-weight:600;letter-spacing:1.8px;text-transform:uppercase;margin:0;color:var(--stone-ink);}
@media (max-width:600px){ .cs-stats{grid-template-columns:1fr;} }

.cs-quote{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(24px,3vw,38px);line-height:1.3;letter-spacing:-0.01em;
  max-width:980px;margin:56px 0 40px;
}
.cs-quote::before{content:"\201C";color:var(--green);}
.cs-quote::after{content:"\201D";color:var(--green);}

/* callout note (e.g. project framing, hypothesis labels) */
.cs-note{
  max-width:980px;margin:0 0 44px;padding:22px 26px;
  border:1.5px solid rgba(13,13,11,0.18);border-left:4px solid var(--green);border-radius:8px;
  background:rgba(255,255,255,0.3);font-size:17px;line-height:1.65;color:#141310;
}
.cs-note strong{color:var(--ink);}
.cs-flag{
  display:inline-block;margin:16px 0 0;padding:6px 12px;border-radius:4px;
  border:1px solid rgba(13,13,11,0.25);
  font-size:12px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--stone-ink);
}

/* numbered left-to-right sequence */
.cs-steps{
  list-style:none;counter-reset:step;margin:32px 0 0;padding:0;
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:rgba(13,13,11,0.15);border:1px solid rgba(13,13,11,0.15);
}
.cs-steps li{counter-increment:step;background:var(--paper);padding:22px 18px;}
.cs-steps li::before{
  content:counter(step,decimal-leading-zero);display:block;margin-bottom:10px;
  font-family:var(--font-display);font-weight:800;font-size:22px;color:var(--green);
}
.cs-steps b{display:block;font-size:16px;margin-bottom:6px;}
.cs-steps span{font-size:14px;line-height:1.55;color:var(--stone-ink);}
.cs-steps.three{grid-template-columns:repeat(3,1fr);}
@media (max-width:900px){ .cs-steps{grid-template-columns:1fr 1fr;} .cs-steps.three{grid-template-columns:1fr;} }
@media (max-width:480px){ .cs-steps{grid-template-columns:1fr;} }

.cs-card ul{margin:10px 0 0;padding-left:18px;font-size:14px;line-height:1.6;color:var(--stone-ink);}
.cs-card ul li::marker{color:var(--green);}
.cs-pills{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 0;}
.cs-pills span{
  padding:8px 14px;border-radius:20px;border:1px solid rgba(13,13,11,0.2);
  background:rgba(255,255,255,0.35);font-size:14px;font-weight:600;
}

/* masonry gallery: artwork shown uncropped */
.cs-gallery{columns:3;column-gap:24px;margin:40px 0 0;}
.cs-gallery figure{break-inside:avoid;margin:0 0 24px;}
.cs-gallery .zoom img{width:100%;border-radius:6px;box-shadow:0 24px 50px -24px rgba(13,13,11,0.45);}
.cs-gallery figcaption{margin:10px 0 0;font-size:12px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--stone-ink);}
.cs-gallery.two{columns:2;max-width:900px;}
@media (max-width:900px){ .cs-gallery{columns:2;} }
@media (max-width:480px){ .cs-gallery{columns:1;} }

.cs-pair{display:grid;grid-template-columns:1fr auto 1fr;gap:28px;align-items:center;max-width:960px;margin:40px 0 0;}
.cs-pair figure{margin:0;}
.cs-pair .zoom img{width:100%;border-radius:6px;box-shadow:0 24px 50px -24px rgba(13,13,11,0.45);background:#fff;}
.cs-pair-arrow{font-family:var(--font-display);font-weight:800;font-size:36px;color:var(--green);}
@media (max-width:640px){ .cs-pair{grid-template-columns:1fr;} .cs-pair-arrow{justify-self:center;transform:rotate(90deg);} }

/* equal-frame row of three (crops to a shared shape; zoom shows the full image) */
.cs-row3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:40px 0 28px;}
.cs-row3 figure{margin:0;}
.cs-row3 .zoom{aspect-ratio:4/3;overflow:hidden;box-shadow:0 24px 50px -24px rgba(13,13,11,0.45);}
.cs-row3 .zoom img{width:100%;height:100%;object-fit:cover;}
.cs-row3 figcaption{margin:10px 0 0;font-size:12px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--stone-ink);}
@media (max-width:700px){ .cs-row3{grid-template-columns:1fr;} }

/* equal-height row: set each figure's flex-grow to its image's width/height
   ratio and every image renders at the same height, uncropped */
.cs-equal{display:flex;gap:24px;align-items:flex-start;max-width:620px;margin:40px 0 28px;}
.cs-equal figure{flex-basis:0;min-width:0;margin:0;}
.cs-equal .zoom img{width:100%;border-radius:6px;box-shadow:0 24px 50px -24px rgba(13,13,11,0.45);}
.cs-equal figcaption{margin:10px 0 0;font-size:12px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;color:var(--stone-ink);}
@media (max-width:480px){ .cs-equal{gap:12px;} .cs-equal figcaption{font-size:11px;letter-spacing:1px;} }

.cs-more{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px 32px;
  margin:44px 0 0;padding:28px 32px;border:1px solid rgba(13,13,11,0.2);border-radius:10px;background:rgba(255,255,255,0.3);max-width:1100px;}
.cs-more p{margin:0;font-size:clamp(17px,1.6vw,20px);line-height:1.5;max-width:560px;}
.cs-more .btn-primary{font-size:17px;padding:15px 24px;white-space:normal;}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* prev / next */
.cs-nav{background:var(--ink);border-bottom:1px solid var(--rule-dark);padding:60px 0;}
.cs-nav-row{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cs-nav-link{display:block;max-width:420px;}
.cs-nav-link.next{margin-left:auto;text-align:right;}
.cs-nav-eyebrow{display:block;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--stone);margin-bottom:10px;}
.cs-nav-title{font-family:var(--font-display);font-weight:700;font-size:clamp(22px,2.4vw,30px);}
.cs-nav-link:hover .cs-nav-title{color:var(--green);}
@media (max-width:600px){
  .cs-section{padding:64px 0;}
  .cs-nav-link.next{margin-left:0;text-align:left;}
}