/* ============ Case study — renat.design ============ */
/* Design language adopted from Portfolio Prototype:
   #efefef paper · Afacad display · Helvetica body · monochrome ink · thin grey rules · white 15px cards */
:root{
  --paper:#efefef;
  --ink:#000000;
  --muted:#606060;
  --faint:#818181;
  --line:#c3c3c3;
  --line-2:#c3c3c3;
  --accent:#000000;
  --accent-soft:#e2e2e2;
  --accent-ink:#000000;
  /* legacy blue tokens repointed to monochrome so existing rules stay valid */
  --blue:#000000;
  --blue-ink:#000000;
  --blue-soft:#e2e2e2;
  --card:#ffffff;
  --mono:"SF Mono", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;
  --body:"Helvetica Neue", Helvetica, Arial, sans-serif;
  --display:"Afacad", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  background:var(--paper); color:var(--ink);
  font-family:var(--body); font-size:17px; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
::selection{ background:#000; color:#efefef; }
a{ color:var(--ink); text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset:3px; }

.wrap{ max-width:1160px; margin:0 auto; padding:0 40px; }
.narrow{ max-width:760px; }
.wide{ max-width:1280px; }
.wider{ max-width:1480px; }
@media (max-width: 1560px){ .wider{ max-width:calc(100vw - 48px); } }

/* ---------- top bar (identical to portfolio site header) ---------- */
.topnav{ position:sticky; top:0; z-index:50; height:64px; background:#efefef; }
.topnav .bar{ position:relative; height:64px; max-width:1280px; margin:0 auto; }
.topnav a{ text-decoration:none; }
.topnav .brand{ position:absolute; left:40px; top:50%; transform:translateY(-50%); font-family:var(--body); font-style:normal; font-weight:400; font-size:16px; line-height:19px; color:#000; }
.topnav .brand:hover{ text-decoration:none; }
.topnav .nav-work{ position:absolute; left:320px; top:50%; transform:translateY(-50%); font-style:italic; font-weight:400; font-size:16px; line-height:19px; color:#000; }
.topnav .nav-about{ position:absolute; left:379px; top:50%; transform:translateY(-50%); font-style:italic; font-weight:400; font-size:16px; line-height:19px; color:#000; }
.topnav .nav-contact{ position:absolute; right:40px; top:50%; transform:translateY(-50%); font-style:italic; font-weight:400; font-size:16px; line-height:19px; color:#000; }
.topnav .nav-work:hover, .topnav .nav-contact:hover{ text-decoration:underline; text-underline-offset:3px; }
@media (max-width: 640px){
  .topnav .nav-work, .topnav .nav-about{ display:none; }
}

/* ---------- hero ---------- */
.hero{ padding:0; }
.hero .wrap{ max-width:1280px; padding:96px 40px 96px 320px; min-height:calc(100vh - 64px); display:flex; flex-direction:column; justify-content:center; }
.eyebrow{ display:flex; align-items:center; gap:12px; font-size:15px; font-style:italic; color:var(--muted); margin-bottom:36px; }
.eyebrow .dot{ width:7px; height:7px; border-radius:50%; background:var(--ink); flex:none; }
h1{
  font-family:var(--display); font-weight:600;
  font-size:32px; line-height:1;
  letter-spacing:0; max-width:40ch; text-wrap:balance;
}
h1 em{ font-style:italic; font-weight:600; }
.hero-sub{ margin-top:30px; font-size:18px; font-weight:400; line-height:1.25; color:var(--muted); max-width:58ch; text-wrap:pretty; }
.hero-meta{ display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:0 28px; margin-top:64px; }
.hero-meta div{ padding-top:12px; border-top:1px solid var(--line); }
.hero-meta dt{ font-size:15px; font-weight:300; color:var(--muted); margin-bottom:8px; }
.hero-meta dd{ font-size:16px; font-weight:400; color:var(--ink); }

/* ---------- sections ---------- */
section{ padding:80px 0; }
section.tinted{ background:#e7e7e7; }
.sec-head{ display:flex; flex-direction:column; align-items:center; text-align:center; gap:14px; margin-bottom:30px; }
.sec-no{ font-size:12px; font-weight:500; color:var(--muted); letter-spacing:.16em; }
h2{ font-family:var(--display); font-size:clamp(29px,3.6vw,46px); font-weight:600; line-height:1.08; letter-spacing:-.02em; text-wrap:balance; }
h3{ font-size:18px; font-weight:700; letter-spacing:0; }
.lede{ font-size:19px; font-weight:400; line-height:1.25; color:var(--muted); max-width:60ch; margin-left:auto; margin-right:auto; text-align:center; text-wrap:pretty; }
.prose{ max-width:64ch; margin-left:auto; margin-right:auto; text-align:center; line-height:1.25; }
.prose p+p{ margin-top:1em; }
.prose strong{ font-weight:600; }

/* narrative sections — slightly smaller type (hero & slices unchanged) */
#challenge h2, #architecture h2, #principles h2, #validation h2, #status h2{ font-size:clamp(24px,2.8vw,36px); }
#challenge .lede, #architecture .lede, #validation .lede{ font-size:17px; }
#challenge .prose, #challenge .prose p{ font-size:16px; }

/* Danish term */
.dk{ font-style:italic; border-bottom:1px dotted var(--faint); cursor:help; white-space:nowrap; }

/* ---------- challenge cards ---------- */
.agr-intro{ max-width:60ch; margin:56px auto 0; text-align:center; font-size:17px; line-height:1.25; color:var(--muted); text-wrap:pretty; }
.agreements{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:20px; }
#validation .agreements{ margin-top:40px; }
.agr{ background:var(--card); border-radius:15px; padding:26px 26px 28px; display:flex; flex-direction:column; }
.agr-top{ display:flex; align-items:baseline; gap:14px; }
.agr-idx{ font-family:var(--mono); font-size:12px; font-weight:500; color:var(--faint); letter-spacing:.06em; flex:none; }
.agr h3{ font-size:16px; font-weight:700; line-height:1.15; }
.agr-for{ display:block; margin-top:3px; font-size:13.5px; font-style:italic; color:var(--muted); }
.agr-rows{ display:grid; gap:0; margin:20px 0 18px; border-top:1px solid var(--line); }
.agr-rows > div{ display:flex; align-items:baseline; justify-content:space-between; gap:12px; padding:9px 0; border-bottom:1px solid var(--line); }
.agr-rows dt{ font-size:12px; font-weight:300; color:var(--muted); letter-spacing:.01em; flex:none; }
.agr-rows dd{ font-size:13.5px; font-weight:600; color:var(--ink); text-align:right; }
.agr-rows dd .pl{ color:var(--faint); font-weight:400; padding:0 1px; }
.agr p{ font-size:13.5px; font-weight:400; color:var(--muted); line-height:1.55; text-align:left; margin-top:auto; }
.split2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:44px; }
.role-card{ background:var(--card); border-radius:15px; padding:28px 26px; }
.role-card .who{ display:flex; align-items:center; gap:10px; margin-bottom:10px; }
.role-card .who .rdot{ width:9px; height:9px; border-radius:50%; background:var(--ink); flex:none; }
.role-card .who .rdot.alt{ background:var(--faint); }
.role-card h3{ font-size:15px; font-weight:700; }
.role-card p{ font-size:14px; font-weight:400; color:var(--muted); line-height:1.55; }

/* ---------- IA diagram ---------- */
.ia{ margin-top:72px; }
.ia-root{ display:flex; justify-content:center; }
.ia-root .node-root{ font-weight:400; font-size:16px; background:var(--ink); color:#efefef; border-radius:12px; padding:14px 28px; letter-spacing:0; }
.ia-trunk{ display:flex; justify-content:center; }
.ia-trunk span{ width:1px; height:34px; background:var(--line); }
.ia-lanes{ display:grid; grid-template-columns:1fr 1fr; gap:24px; align-items:start; }
.lane{ border-radius:16px; background:var(--card); overflow:hidden; }
.lane-h{ display:flex; align-items:center; gap:10px; padding:20px 24px; border-bottom:1px solid var(--line); }
.lane-h .rdot{ width:9px; height:9px; border-radius:50%; background:var(--ink); flex:none; }
.lane-h .rdot.alt{ background:var(--faint); }
.lane-h h3{ font-size:13px; font-weight:700; letter-spacing:.04em; }
.lane-h .lsub{ margin-left:auto; font-size:13px; font-style:italic; font-weight:300; color:var(--muted); }
.lane ul{ list-style:none; padding:20px; display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.lane li{ position:relative; border:1px solid var(--line); border-radius:12px; padding:18px 18px; background:var(--paper); }
.lane li .m-nm{ font-size:13.5px; font-weight:600; display:flex; align-items:center; gap:7px; }
.lane li .m-sub{ font-size:12.5px; font-weight:300; color:var(--muted); margin-top:5px; line-height:1.5; }
.lane li.hl{ border-color:var(--ink); background:#fff; }
.lane li.hl .m-nm{ font-weight:700; padding-right:50px; }
.slice-tag{ position:absolute; top:11px; right:11px; font-size:9px; font-weight:600; letter-spacing:.08em; text-transform:uppercase; background:var(--ink); color:#efefef; padding:3px 8px; border-radius:999px; }
.ia-shared{ margin-top:36px; border:1px dashed var(--faint); border-radius:16px; padding:18px 22px; display:flex; align-items:center; gap:24px; flex-wrap:wrap; background:transparent; }
.ia-shared .sh-head{ flex:1 1 220px; min-width:200px; }
.ia-shared .sh-lab{ display:block; font-size:14px; font-weight:700; font-style:normal; color:var(--ink); }
.ia-shared .sh-desc{ display:block; margin-top:4px; font-size:12.5px; font-style:italic; font-weight:300; color:var(--muted); line-height:1.45; }
.ia-shared .sh-items{ display:flex; flex-wrap:wrap; gap:8px; }
.ia-shared .sh-items span{ font-size:14px; font-weight:400; border:1px solid var(--line); background:var(--card); border-radius:999px; padding:6px 15px; }
.ia-note{ margin-top:36px; font-size:15px; font-weight:400; color:var(--muted); max-width:68ch; line-height:1.55; margin-left:auto; margin-right:auto; text-align:center; }

/* ---------- artifact (embedded screen) ---------- */
.artifact{ margin:48px 0 0; }
.art-chrome{ display:flex; align-items:center; gap:14px; background:#e2e2e2; border-radius:15px 15px 0 0; padding:12px 18px; }
.art-dots{ display:flex; gap:6px; flex:none; }
.art-dots i{ width:10px; height:10px; border-radius:50%; background:#c3c3c3; }
.art-url{ font-size:14px; font-style:italic; font-weight:300; color:var(--muted); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.art-actions{ margin-left:auto; display:flex; align-items:center; gap:8px; flex:none; }
.art-actions button, .art-actions a{ font-family:var(--body); font-size:14px; font-weight:400; border:1px solid var(--ink); background:var(--ink); color:#efefef; border-radius:999px; padding:7px 16px; cursor:pointer; transition:opacity .15s; }
.art-actions button:hover, .art-actions a:hover{ opacity:.78; text-decoration:none; }
/* clean white card (page-2): no browser chrome, screen only */
.art-chrome{ display:none; }
.art-stage .go-live{ position:absolute; right:16px; bottom:16px; z-index:8; font-family:var(--body); font-size:14px; font-weight:600; border:1px solid var(--ink); background:var(--ink); color:#efefef; border-radius:999px; padding:10px 22px; cursor:pointer; box-shadow:0 8px 24px -8px rgba(0,0,0,.5); transition:opacity .15s; }
.art-stage .go-live:hover{ opacity:.85; }
.artifact.live .art-stage .go-live{ background:#fff; color:var(--ink); border-color:var(--line); }
.art-stage{ position:relative; aspect-ratio:1440 / 900; border-radius:15px; overflow:hidden; background:#fff; box-shadow:0 24px 60px -34px rgba(0,0,0,.32); }
.art-stage iframe{ width:1440px; height:900px; border:0; transform-origin:0 0; display:block; pointer-events:none; }
.artifact.live .art-stage iframe{ pointer-events:auto; }
/* transparent shield: blocks all interaction with the frame until "Explore live" */
.art-shield{ position:absolute; inset:0; z-index:6; cursor:pointer; background:transparent; }
.artifact.live .art-shield{ display:none; }
/* mobile fallback — heavy desktop prototypes aren't loaded on small screens */
.art-desktop-note{ display:none; }
@media (max-width: 820px){
  .art-stage{ height:auto !important; }
  .art-stage iframe, .art-markers, .art-shield, .art-hint{ display:none !important; }
  .art-desktop-note{
    display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center;
    gap:10px; padding:44px 26px; min-height:200px;
    background:repeating-linear-gradient(135deg, #e7e7e7 0 12px, #efefef 12px 24px);
  }
  .art-desktop-note .adn-ic{ width:42px; height:42px; border-radius:12px; background:#fff; color:var(--ink); display:grid; place-items:center; font-size:22px; }
  .art-desktop-note .adn-t{ font-size:15px; font-weight:700; color:var(--ink); }
  .art-desktop-note .adn-s{ font-size:14px; font-weight:400; color:var(--muted); max-width:34ch; line-height:1.5; }
}
.art-hint{ position:absolute; left:50%; bottom:14px; transform:translateX(-50%); font-size:13px; font-weight:400; color:var(--muted); background:color-mix(in srgb, #fff 92%, transparent); border:1px solid var(--line); border-radius:999px; padding:6px 15px; pointer-events:none; opacity:0; transition:opacity .2s; }
.artifact:not(.live) .art-stage:hover .art-hint{ opacity:1; }

/* loader while the iframe boots */
.art-loader{ position:absolute; inset:0; z-index:9; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:16px; background:#fff; transition:opacity .5s ease; }
.art-loader.gone{ opacity:0; pointer-events:none; }
.art-loader .al-spin{ width:34px; height:34px; border-radius:50%; border:2px solid var(--line); border-top-color:var(--ink); animation:al-spin .8s linear infinite; }
.art-loader .al-txt{ font-size:14px; font-weight:400; color:var(--muted); letter-spacing:.01em; }
@keyframes al-spin{ to{ transform:rotate(360deg); } }
@media (prefers-reduced-motion: reduce){ .art-loader .al-spin{ animation-duration:1.6s; } }

/* poster for click-to-load prototypes (keeps the page instant) */
.art-poster{ position:absolute; inset:0; z-index:10; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:12px; text-align:center; padding:32px; cursor:pointer; font-family:var(--body); background:repeating-linear-gradient(135deg, #f2f2f0 0 14px, #fff 14px 28px); border:0; transition:opacity .4s ease; }
.art-poster.gone{ opacity:0; pointer-events:none; }
.art-poster .ap-play{ width:58px; height:58px; border-radius:50%; background:var(--ink); color:#efefef; display:grid; place-items:center; font-size:20px; padding-left:4px; box-shadow:0 12px 30px -10px rgba(0,0,0,.5); transition:transform .15s; }
.art-poster:hover .ap-play{ transform:scale(1.06); }
.art-poster .ap-t{ font-size:17px; font-weight:700; color:var(--ink); margin-top:4px; }
.art-poster .ap-s{ font-size:14px; font-weight:400; color:var(--muted); max-width:34ch; line-height:1.45; }

/* markers */
.art-markers{ position:absolute; inset:0; pointer-events:none; }
.artifact.live .art-markers{ display:none; }
.mk{
  position:absolute; transform:translate(-50%,-50%);
  width:26px; height:26px; border-radius:50%;
  background:var(--ink); color:#efefef; border:2px solid #fff;
  font-size:12.5px; font-weight:700; font-family:var(--body);
  display:grid; place-items:center;
  box-shadow:0 2px 10px rgba(0,0,0,.35);
  opacity:0; transition:opacity .35s ease; /* no transition on left/top — reposition is instant */
}
/* markers stay invisible until their positions have settled (avoids load-time jump) */
.artifact[data-pinned] .mk{ opacity:1; }
.mk::after{ content:""; position:absolute; inset:-7px; border-radius:50%; border:1.5px solid rgba(0,0,0,.4); animation:mkpulse 2.4s ease-out infinite; }
@keyframes mkpulse{ 0%{ transform:scale(.7); opacity:0;} 35%{ opacity:1;} 100%{ transform:scale(1.25); opacity:0;} }
@media (prefers-reduced-motion: reduce){ .mk::after{ animation:none; opacity:.5; } }

/* marker caption (used only in leader-line mode) */
.mk-cap{ display:none; }

/* ============ annotation styles (Tweak: data-annot) ============ */
/* -- MARKERS (default): dots on screen + 2-col legend below -- */
/* (base styles above already cover this) */

/* -- LIST: pristine screen, elegant numbered list below -- */
[data-annot="list"] .art-markers{ display:none !important; }
[data-annot="list"] .legend{ grid-template-columns:1fr; gap:0; max-width:none; margin-top:32px; }
[data-annot="list"] .legend .lg{ padding:20px 0; gap:24px; align-items:baseline; border-top:1px solid var(--line); }
[data-annot="list"] .legend .lg:last-child{ border-bottom:1px solid var(--line); }
[data-annot="list"] .legend .lg-n{ width:auto; height:auto; margin-top:0; background:none; color:var(--muted); font-family:var(--display); font-size:24px; font-weight:500; border-radius:0; line-height:1; }
[data-annot="list"] .legend .lg h4{ font-size:17px; margin-bottom:5px; }
[data-annot="list"] .legend .lg p{ font-size:15px; max-width:72ch; }

/* -- LEADERS: dots with tethered caption + stem, no bottom legend -- */
[data-annot="leaders"] .art-stage{ overflow:visible; }
[data-annot="leaders"] .art-stage iframe{ border-radius:0 0 15px 15px; }
[data-annot="leaders"] .mk::after{ display:none; }
[data-annot="leaders"] .legend{ display:none; }
[data-annot="leaders"] .mk .mk-cap{
  display:block; position:absolute; left:calc(100% + 20px); top:50%; transform:translateY(-50%);
  white-space:nowrap; font-size:13px; font-weight:600; color:var(--ink);
  background:#fff; border:1px solid var(--line); border-radius:9px; padding:7px 13px;
  box-shadow:0 8px 24px -12px rgba(0,0,0,.5); z-index:8;
}
[data-annot="leaders"] .mk .mk-cap::before{
  content:""; position:absolute; right:100%; top:50%; width:20px; height:1px; background:var(--ink);
}
[data-annot="leaders"] .mk.flip .mk-cap{ left:auto; right:calc(100% + 20px); }
[data-annot="leaders"] .mk.flip .mk-cap::before{ right:auto; left:100%; }
@media (max-width: 720px){
  [data-annot="leaders"] .mk .mk-cap{ font-size:11px; padding:4px 8px; left:calc(100% + 12px); }
  [data-annot="leaders"] .mk.flip .mk-cap{ right:calc(100% + 12px); }
}

/* ============ Tweaks panel ============ */
#tweaks{
  position:fixed; right:20px; bottom:20px; z-index:120; width:256px;
  background:#fff; border:1px solid var(--line); border-radius:15px; padding:0 0 6px;
  box-shadow:0 24px 60px -22px rgba(0,0,0,.45);
  font-family:var(--body); color:var(--ink); display:none;
}
#tweaks.on{ display:block; }
#tweaks .tw-head{ display:flex; align-items:center; justify-content:space-between; padding:14px 16px 12px; border-bottom:1px solid var(--line); }
#tweaks .tw-title{ font-family:var(--display); font-size:17px; font-weight:600; }
#tweaks .tw-close{ border:0; background:none; font-size:22px; line-height:1; color:var(--muted); cursor:pointer; padding:0 2px; }
#tweaks .tw-close:hover{ color:var(--ink); }
#tweaks .tw-sec{ padding:14px 16px 6px; }
#tweaks .tw-label{ font-size:13px; font-style:italic; font-weight:400; color:var(--muted); margin-bottom:10px; }
#tweaks .tw-seg{ display:grid; grid-template-columns:1fr 1fr 1fr; gap:4px; background:#e2e2e2; border-radius:10px; padding:4px; }
#tweaks .tw-opt{ font-family:var(--body); font-size:13px; font-weight:400; border:0; background:transparent; color:var(--ink); border-radius:7px; padding:8px 4px; cursor:pointer; transition:background .15s; }
#tweaks .tw-opt:hover{ background:rgba(255,255,255,.6); }
#tweaks .tw-opt.on{ background:#fff; font-weight:600; box-shadow:0 1px 3px rgba(0,0,0,.14); }
#tweaks .tw-hint{ font-size:12.5px; font-weight:300; color:var(--muted); margin-top:11px; line-height:1.45; min-height:2.4em; }

/* annotation legend */
.legend{ display:grid; grid-template-columns:repeat(2,1fr); gap:16px 28px; margin-top:28px; }
.legend .lg{ display:flex; gap:14px; align-items:flex-start; padding-top:14px; border-top:1px solid var(--line); }
.legend .lg-n{ flex:none; width:24px; height:24px; border-radius:50%; background:var(--ink); color:#efefef; font-size:12px; font-weight:700; display:grid; place-items:center; margin-top:2px; }
.legend .lg h4{ font-size:15px; font-weight:700; margin-bottom:3px; }
.legend .lg p{ font-size:14px; font-weight:400; color:var(--muted); line-height:1.3; }

/* slice layout */
#slice-templates, #slice-activities, #slice-journal{ padding-top:80px; padding-bottom:80px; }
.slice-head{ display:grid; grid-template-columns:minmax(0,1.25fr) minmax(0,1fr); gap:56px; align-items:end; }
.slice-head .lede{ font-size:17px; }

/* Apple-style info header: single centered column, lots of air, minimal chrome */
.slice2{ display:block; }
.slice-info{ display:block; max-width:720px; margin:0 auto 72px; text-align:center; }
.slice-info .si-main, .slice-info .si-side{ display:contents; }
.slice-info .slice-kicker{ margin:0 0 24px; font-style:normal; font-size:12.5px; letter-spacing:.02em; color:var(--muted); }
.slice-info .sec-head{ display:block; margin:0; }
.slice-info .sec-no{ display:none; }
.slice-info h2{ font-size:clamp(27px,3.4vw,42px); font-weight:600; letter-spacing:-.021em; line-height:1.07; }
.slice-info .principle-callout{ border:0; padding:0; margin:28px auto 0; font-family:var(--display); font-style:normal; font-weight:500; font-size:clamp(18px,1.8vw,22px); line-height:1.38; color:var(--muted); max-width:30ch; }
.slice-info .lede{ font-size:16px; line-height:1.25; color:var(--muted); max-width:56ch; margin:28px auto 0; text-align:center; }
.slice-meta{ margin:28px 0 0; display:flex; flex-wrap:wrap; justify-content:center; }
.slice-meta .row{ display:flex; align-items:center; padding:0 18px; border:0; position:relative; }
.slice-meta .row + .row::before{ content:""; position:absolute; left:0; top:50%; transform:translateY(-50%); width:1px; height:12px; background:var(--line-2); }
.slice-meta .row .k{ display:none; }
.slice-meta .row .v{ font-size:13.5px; font-weight:400; color:var(--ink); }

.slice-screen{ display:grid; grid-template-columns:minmax(215px,285px) minmax(0,1fr); gap:40px; align-items:start; }
.slice-screen > *{ min-width:0; }
.slice-screen .legend{ order:-1; margin-top:0; grid-template-columns:1fr; gap:0; position:sticky; top:84px; align-self:start; }
.slice-screen .legend .lg{ padding:16px 0; border-top:1px solid var(--line); }
.slice-screen .legend .lg:first-child{ border-top:0; padding-top:0; }
.slice-screen .artifact{ margin:0; }
[data-annot="leaders"] .slice-screen{ grid-template-columns:minmax(0,1fr); }
[data-annot="list"] .slice-screen .legend .lg:first-child{ border-top:1px solid var(--line); padding-top:20px; }
@media (max-width: 980px){
  .slice-info{ margin-bottom:40px; }
  .slice-screen{ grid-template-columns:minmax(0,1fr); gap:26px; }
  .slice-screen .legend{ order:0; position:static; }
}
.slice-kicker{ font-size:14px; font-style:italic; font-weight:400; color:var(--muted); margin-bottom:14px; }
.principle-callout{ font-family:var(--display); border-left:1px solid var(--ink); padding:4px 0 4px 22px; font-size:23px; font-style:italic; font-weight:500; line-height:1.4; color:var(--ink); text-wrap:pretty; }

/* iterations */
.iters{ margin-top:84px; }
.iters-h{ display:flex; align-items:center; gap:16px; margin-bottom:24px; }
.iters-h h3{ font-family:var(--display); font-size:22px; font-weight:500; }
.iters-h .rule{ flex:1; height:1px; background:var(--line); }
.iter-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.iter{ background:var(--card); border-radius:15px; padding:26px 24px; }
.iter .was{ font-size:13px; font-style:italic; font-weight:300; color:var(--muted); margin-bottom:14px; }
.iter h4{ font-size:15.5px; font-weight:700; margin-bottom:9px; line-height:1.4; }
.iter p{ font-size:14px; font-weight:400; color:var(--muted); line-height:1.6; }
.iter .tradeoff{ margin-top:12px; padding-top:12px; border-top:1px solid var(--line); font-size:13px; font-style:italic; color:var(--faint); }

/* outcomes / effect */
.outcomes{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.oc{ padding:22px 0 0; border-top:2px solid var(--ink); }
.oc h4{ font-family:var(--display); font-size:19px; font-weight:500; line-height:1.2; letter-spacing:-.01em; margin-bottom:8px; }
.oc p{ font-size:14px; font-weight:400; color:var(--muted); line-height:1.55; }
.oc-note{ margin-top:20px; font-size:13px; font-style:italic; color:var(--faint); }

/* ---------- principles ---------- */
.principles{ display:grid; grid-template-columns:repeat(3,1fr); gap:44px 34px; margin-top:76px; }
.pri{ border-top:0; padding-top:0; text-align:center; }
.pri .pn{ font-size:12px; font-style:normal; font-weight:500; letter-spacing:.14em; color:var(--muted); margin-bottom:16px; display:block; }
.pri h3{ font-family:var(--display); font-size:21px; font-weight:500; line-height:1.3; margin-bottom:12px; text-wrap:balance; letter-spacing:-.005em; }
.pri p{ font-size:14px; font-weight:400; color:var(--muted); line-height:1.55; }

/* ---------- status ---------- */
.status-grid{ display:grid; grid-template-columns:1fr 1fr; gap:56px; margin-top:68px; max-width:920px; margin-left:auto; margin-right:auto; }
.status-grid > div{ padding-top:0; border-top:0; text-align:center; }
.status-grid h3{ font-size:15px; font-weight:700; margin-bottom:12px; }
.status-grid p{ font-size:14.5px; font-weight:400; color:var(--muted); line-height:1.6; }
.status-grid em{ font-style:italic; color:var(--faint); }
.placeholder{ background:transparent; border:1px dashed var(--faint); border-radius:12px; padding:16px 18px; font-size:14px; font-style:italic; color:var(--faint); margin-top:12px; }

/* ---------- CTA ---------- */
.cta-sec{ padding:130px 0 140px; text-align:center; }
.cta-sec h2{ font-size:clamp(32px,4.4vw,52px); font-weight:600; max-width:20ch; margin:0 auto; }
.cta-sec h2 em{ font-style:italic; font-weight:600; }
.cta-sec .lede{ margin:24px auto 0; color:var(--muted); }
.cta-row{ display:flex; justify-content:center; gap:14px; margin-top:46px; flex-wrap:wrap; }
.btn{ display:inline-flex; align-items:center; gap:9px; font-size:15.5px; font-weight:400; border-radius:999px; padding:13px 30px; transition:opacity .15s; }
.btn.primary{ background:var(--ink); color:#efefef; }
.btn.primary:hover{ opacity:.8; text-decoration:none; }
.btn.ghost{ border:1px solid var(--ink); color:var(--ink); }
.btn.ghost:hover{ background:var(--ink); color:#efefef; text-decoration:none; }
footer{ border-top:1px solid var(--line); padding:28px 0 64px; }
footer .wrap{ display:flex; align-items:center; gap:20px; font-size:14px; font-weight:400; color:var(--muted); }
footer .right{ margin-left:auto; font-style:italic; }

/* reveal on scroll */
.rv{ opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease; }
.rv.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .rv{ opacity:1; transform:none; transition:none; } }

/* ---------- responsive ---------- */
@media (max-width: 1180px){
  .hero .wrap{ padding-left:40px; }
}
@media (max-width: 980px){
  .agreements, .iter-grid, .principles, .outcomes{ grid-template-columns:1fr; }
  .ia-lanes{ grid-template-columns:1fr; }
  .slice-head{ grid-template-columns:1fr; gap:24px; align-items:start; }
  .status-grid{ grid-template-columns:1fr; gap:28px; }
  .hero-meta{ grid-template-columns:1fr 1fr; gap:0 24px; row-gap:16px; }
}
@media (max-width: 720px){
  body{ font-size:16px; }
  .wrap{ padding:0 22px; }
  .hero{ padding:0; }
  .hero .wrap{ padding:76px 22px 64px; min-height:auto; }
  section{ padding:64px 0; }
  .split2, .legend, .lane ul{ grid-template-columns:1fr; }
  .art-url{ display:none; }
  .mk{ width:20px; height:20px; font-size:10.5px; border-width:1.5px; }
  .topnav .crumb{ display:none; }
}