/* ==========================================================================
   Abhisek Kishor — AI hub (/ai/)
   Shared tokens, base, buttons, header, footer, dialogs, section heads are copied unchanged from the
   approved homepage / executive-coaching stylesheets. Page sections follow in ai.css (a-…).
   ========================================================================== */
@font-face{font-family:"Newsreader";src:url("fonts/newsreader-latin-standard-normal.woff2") format("woff2");font-weight:200 800;font-style:normal;font-display:block}
@font-face{font-family:"Newsreader";src:url("fonts/newsreader-latin-standard-italic.woff2") format("woff2");font-weight:200 800;font-style:italic;font-display:block}
@font-face{font-family:"Source Sans 3";src:url("fonts/source-sans-3-latin-wght-normal.woff2") format("woff2");font-weight:200 900;font-style:normal;font-display:block}
@font-face{font-family:"Caveat";src:url("fonts/caveat-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:block}
@font-face{font-family:"Caveat";src:url("fonts/caveat-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:block}

:root{
  --ink:#0e1b31; --ink-2:#26364f; --muted:#5b6880; --faint:#8a95a8;
  --teal:#1b5954; --teal-d:#103f3c; --teal-l:#2d7a72; --teal-wash:#dcebec;
  --rose:#a34a58; --rose-d:#7d3240; --rose-l:#c97b86;
  --hand:#22306c; --line:#e4e8ee; --paper:#fbfaf7; --white:#fff;
  --night:#0b1526;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Source Sans 3","Segoe UI",system-ui,-apple-system,sans-serif;
  --script:"Caveat","Segoe Print",cursive;
  --radius:5px; --wrap:1360px; --gutter:clamp(18px,4.4vw,64px);
  --ease:cubic-bezier(.22,.8,.24,1); --ease-in:cubic-bezier(.6,.05,.8,.3);
  /* coaching paths: one pigment each (watercolour blots share these hues) */
  --p-personal:#b98a45; --p-executive:#4f7699; --p-communication:#b55a68;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:72px}
body{margin:0;background:var(--white);color:var(--ink-2);font:400 17px/1.55 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
button{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--serif);color:var(--ink);font-weight:450;letter-spacing:-.012em;margin:0;font-optical-sizing:auto}
p{margin:0}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
:focus-visible{outline:2px solid var(--teal-l);outline-offset:3px;border-radius:3px}

/* ---------- eyebrow / labels ---------- */
.eyebrow{font:600 12.5px/1.2 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--teal);display:flex;align-items:center;gap:12px}
.eyebrow.rule::before{content:"";width:26px;height:1.5px;background:currentColor;opacity:.8}
.eyebrow.rose{color:var(--rose)}

/* ---------- buttons ---------- */
.btn{--bg:var(--teal);--bg2:var(--teal-d);--fg:#fff;--bd:transparent;
  position:relative;display:inline-flex;align-items:center;gap:10px;min-height:50px;padding:0 22px 0 24px;
  border-radius:var(--radius);border:1px solid var(--bd);cursor:pointer;text-decoration:none;
  font:600 16.5px/1 var(--sans);letter-spacing:.005em;color:var(--fg);
  background:linear-gradient(180deg,color-mix(in srgb,var(--bg) 88%,#fff) 0%,var(--bg) 46%,var(--bg2) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.22),inset 0 -1px 0 rgba(0,0,0,.18),0 1px 2px rgba(10,30,40,.18),0 6px 14px -8px rgba(10,30,40,.45);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease),background-color .18s}
.btn svg{width:17px;height:17px;flex:none;transition:transform .22s var(--ease)}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:inset 0 1px 0 rgba(255,255,255,.26),inset 0 -1px 0 rgba(0,0,0,.18),0 2px 4px rgba(10,30,40,.18),0 12px 22px -10px rgba(10,30,40,.5)}
.btn:hover svg{transform:translateX(3px)}
.btn:hover svg.down{transform:translateY(3px)}
.btn:active{transform:translateY(0);filter:brightness(.97);box-shadow:inset 0 1px 3px rgba(0,0,0,.25),0 1px 1px rgba(10,30,40,.15)}
.btn-rose{--bg:#a84e5c;--bg2:#83394a}
.btn-outline-rose{--fg:var(--rose-d);--bd:color-mix(in srgb,var(--rose) 70%,#fff);
  background:linear-gradient(180deg,#fff,#fdf7f7);box-shadow:inset 0 1px 0 #fff,0 1px 2px rgba(120,40,50,.10),0 6px 14px -10px rgba(120,40,50,.35)}
.btn-outline-rose:hover{border-color:var(--rose);background:linear-gradient(180deg,#fff,#fbefef)}
.btn-light{--fg:var(--ink);background:linear-gradient(180deg,#fff,#f1f3f6);--bd:rgba(255,255,255,.7);box-shadow:inset 0 1px 0 #fff,0 2px 4px rgba(0,0,0,.18),0 10px 24px -12px rgba(0,0,0,.6)}
.btn-sm{min-height:44px;padding:0 18px 0 20px;font-size:15.5px}

/* ==========================================================================
   Header (homepage component)
   ========================================================================== */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:background-color .3s,box-shadow .3s,backdrop-filter .3s}
.site-header .bar{max-width:1520px;margin:0 auto;height:78px;padding:0 var(--gutter);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;transition:height .3s var(--ease)}
.brand{display:inline-flex;flex-direction:column;text-decoration:none;justify-self:start;line-height:1}
.brand-name{font:430 30px/1 var(--serif);color:var(--ink);letter-spacing:-.015em;font-variation-settings:"opsz" 36}
.brand-tag{margin-top:6px;font:600 10.5px/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--teal)}
.nav ul{display:flex;gap:clamp(18px,2.4vw,38px);list-style:none;margin:0;padding:0}
.nav a{position:relative;display:block;padding:10px 0;text-decoration:none;font:500 15.5px/1 var(--sans);color:var(--ink-2);transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:3px;height:1.5px;background:var(--ink);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
.nav a:hover{color:var(--ink)} .nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600}
.header-cta{justify-self:end;display:flex;align-items:center;gap:10px}
.menu-toggle{display:none;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;cursor:pointer;font-weight:600}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);box-shadow:0 -6px 0 var(--ink),0 6px 0 var(--ink)}
.site-header.scrolled{background:rgba(255,255,255,.9);backdrop-filter:blur(10px) saturate(1.2);box-shadow:0 1px 0 rgba(14,27,49,.07),0 8px 24px -18px rgba(14,27,49,.4)}
.site-header.scrolled .bar{height:64px}
.mnav{display:none}

/* ---------- handwriting (homepage technique) ---------- */
.hwn{display:block;overflow:visible;pointer-events:none;width:100%;height:auto}
.hwn .ink{fill:var(--hand)}
.hwn mask path{fill:none;stroke:#fff;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:var(--l) var(--l)}
@keyframes draw{from{stroke-dashoffset:var(--l)}to{stroke-dashoffset:0}}
@keyframes drawN{from{stroke-dashoffset:1}to{stroke-dashoffset:0}}
@keyframes bloom{from{opacity:0;transform:scale(.86)}to{transform:none}}
@keyframes fadeIn{from{opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes blotIn{from{opacity:0;transform:scale(.4) rotate(-20deg)}to{opacity:1;transform:none}}

/* ---------- hero copy blocks (homepage component) ---------- */
.lede{margin-top:24px;font-size:clamp(17px,1.4vw,20px);line-height:1.5;color:var(--ink-2);max-width:29em}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.creds{margin-top:30px;padding-top:16px;border-top:1px solid rgba(14,27,49,.12);max-width:420px}
.cred-line{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;font:600 12.5px/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
.cred{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.cred svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.creds .dot{width:4px;height:4px;border-radius:50%;background:currentColor;opacity:.5}
.cred-sub{margin-top:8px;font:italic 400 16.5px/1.4 var(--serif);color:var(--muted);font-variation-settings:"opsz" 18}
/* ==========================================================================
   Shared section heads
   ========================================================================== */
.sec-head{max-width:760px}
.sec-head h2{font-size:clamp(34px,3.25vw,46px);line-height:1.04;margin-top:16px;font-weight:460;letter-spacing:-.02em}
.sec-head h2 em{font-style:italic;font-weight:420;color:var(--rose-d)}
.sec-intro{margin-top:14px;font-size:18px;line-height:1.5;color:var(--ink-2);max-width:38em}
.st-no{position:relative;z-index:1;display:grid;place-items:center;width:52px;height:52px;border-radius:52% 48% 50% 49%/49% 52% 48% 51%;background:#fff;border:1.6px solid var(--hand);font:italic 500 19px/1 var(--serif);color:var(--hand);box-shadow:0 6px 14px -10px rgba(30,40,80,.5)}
.facts{list-style:none;margin:50px 0 0;padding:24px 0 0;border-top:1px solid #e6e1d6;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
.facts li{display:grid;grid-template-columns:30px 1fr;column-gap:10px;align-items:start}
.facts svg{grid-row:span 2;width:26px;height:26px;fill:none;stroke:var(--rose-d);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin-top:1px}
.facts b{font:600 15.5px/1.25 var(--sans);color:var(--ink)}
.facts span{font-size:14px;line-height:1.35;color:var(--muted)}
/* ==========================================================================
   Footer (homepage component)
   ========================================================================== */
.footer{background:#fff;border-top:1px solid var(--line)}
.footer .wrap{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px;padding-top:26px;padding-bottom:22px}
.footer nav ul{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 28px;list-style:none;margin:0;padding:0}
.footer nav a{text-decoration:none;font:500 15px/1 var(--sans);color:var(--ink-2)}
.footer nav a:hover,.footer nav a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.social{display:flex;gap:10px}
.social a{display:grid;place-items:center;width:38px;height:38px;border-radius:6px;color:var(--ink);border:1px solid var(--line);transition:background .2s,border-color .2s}
.social a:hover{background:#f4f6f9;border-color:#d7dde6}
.social svg{width:18px;height:18px}
.footer .fine{grid-column:1/-1;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:16px;border-top:1px solid #f0f2f5;font-size:13px;color:var(--faint)}
.footer .fine button{border:0;background:none;padding:0;color:var(--muted);font-size:13px;text-decoration:underline;text-underline-offset:3px;cursor:pointer}

/* ==========================================================================
   Demo dialogs (homepage component)
   ========================================================================== */
dialog{border:0;padding:0;border-radius:10px;max-width:min(680px,calc(100vw - 28px));width:100%;color:var(--ink-2);box-shadow:0 30px 80px -20px rgba(10,20,40,.5)}
dialog::backdrop{background:rgba(10,18,32,.5);backdrop-filter:blur(3px)}
dialog[open]{animation:dlgIn .32s var(--ease)}
@keyframes dlgIn{from{opacity:0;transform:translateY(12px) scale(.985)}to{opacity:1;transform:none}}
.dlg{padding:30px 34px 30px}
.dlg-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}
.demo-flag{display:inline-block;margin-bottom:12px;padding:5px 9px;border-radius:3px;background:#fff6e5;border:1px solid #f1dcb0;font:700 10.5px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:#8a5a12}
.dlg h3{font-size:32px;line-height:1.05;font-weight:460}
.dlg .x{flex:none;width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer;display:grid;place-items:center}
.dlg .x svg{width:18px;height:18px}
.dlg .intro{margin-top:10px;color:var(--muted)}
.dlg code{font:600 14px/1 ui-monospace,Menlo,Consolas,monospace;color:var(--rose-d);background:#fbf1f2;padding:2px 6px;border-radius:3px}
.dlg .note{margin-top:18px;font-size:13.5px;color:var(--faint)}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px}
.form label{display:flex;flex-direction:column;gap:6px;font:600 13.5px/1.2 var(--sans);color:var(--ink)}
.form .full{grid-column:1/-1}
.form-q{font:600 13.5px/1.2 var(--sans);color:var(--ink)}
.form input[type=text],.form input[type=email],.form textarea{font:400 16px/1.4 var(--sans);padding:11px 12px;border:1px solid #d5dbe4;border-radius:5px;background:#fff;color:var(--ink)}
.form textarea{min-height:96px;resize:vertical}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chips label{flex-direction:row;align-items:center;gap:8px;padding:9px 12px;border:1px solid #d5dbe4;border-radius:5px;font-weight:500;cursor:pointer}
.chips input{accent-color:var(--rose)}
.form .btn[disabled]{opacity:.55;cursor:not-allowed;filter:grayscale(.3);transform:none}
.review ul{margin:16px 0 0;padding-left:20px}
.review li{margin:7px 0;font-size:15px}

/* ==========================================================================
   AI hub (/ai/) — sections (a-…)
   Emotional path: curiosity (a typographic opening, a glimpse of real work) → discovery (the morning
   briefing: what happened, what the record says, what needs a person) → understanding (the 1:1 case,
   the three questions) → trust (why this combination) → agency (two clear paths, one conversation)
   Backgrounds: white → teal mist (the scene) → white → warm paper (learning) → white → white → night close
   ========================================================================== */
:root{--a-mist:#edf3f2;--a-mist-line:#d5e2df;--a-thread:#2d7a72;--a-hl:rgba(27,89,84,.085);--a-hl2:rgba(27,89,84,.15);--a-sheet:#fbfaf7;--a-edge:#e6dfd0}
.sec-head h2 em{color:var(--teal)}
.text-link{display:inline-flex;align-items:center;gap:8px;min-height:34px;font:600 16px/1.2 var(--sans);color:var(--rose-d);text-decoration:none;padding:6px 0 4px;border-bottom:1px solid color-mix(in srgb,var(--rose) 35%,transparent);transition:border-color .2s}
.text-link svg{width:16px;height:16px;flex:none;transition:transform .22s var(--ease)}
.text-link:hover svg{transform:translateX(3px)}
.text-link.teal{color:var(--teal-d);border-bottom-color:color-mix(in srgb,var(--teal) 35%,transparent)}
.text-link.teal:hover{border-bottom-color:var(--teal)}
/* AI secondary button: the teal counterpart of .btn-outline-rose */
.btn-outline-teal{--fg:var(--teal-d);--bd:color-mix(in srgb,var(--teal) 55%,#fff);
  background:linear-gradient(180deg,#fff,#f4f9f8);box-shadow:inset 0 1px 0 #fff,0 1px 2px rgba(16,63,60,.10),0 6px 14px -10px rgba(16,63,60,.35)}
.btn-outline-teal:hover{border-color:var(--teal);background:linear-gradient(180deg,#fff,#ecf5f3)}
a.menu-toggle{text-decoration:none;color:var(--ink)}
@keyframes sheetIn{from{opacity:0;transform:translateY(70px) rotate(-.6deg)}to{opacity:1;transform:rotate(-2.2deg)}}
@keyframes pulse{0%{box-shadow:0 0 0 3px #fff,0 0 0 3px rgba(27,89,84,.5)}100%{box-shadow:0 0 0 3px #fff,0 0 0 12px rgba(27,89,84,0)}}

/* ---------- the briefing sheet: shared by the hero glimpse and the scene ---------- */
.brief-paper{background:var(--a-sheet) url("assets/paper.webp") repeat;background-size:240px;border:1px solid var(--a-edge);border-radius:4px;
  box-shadow:0 1px 1px rgba(70,55,30,.05),0 8px 18px -12px rgba(70,55,30,.2),0 34px 64px -36px rgba(14,27,49,.55)}
.brief-top{position:relative;padding-bottom:15px;border-bottom:1px solid #e8e0cf}
.brief-meta{display:flex;flex-wrap:wrap;gap:4px 14px;font:600 10.5px/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
.brief-meta span+span{color:var(--faint)}
.brief-hrow{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;column-gap:10px;margin-top:10px}
.brief-title{margin:0;font:460 30px/1.05 var(--serif);letter-spacing:-.016em;color:var(--ink);font-variation-settings:"opsz" 36}
.brief-src{margin-top:6px;font-size:13.5px;line-height:1.4;color:var(--muted)}
.b-items{list-style:none;margin:0;padding:0}
.b-item{position:relative;padding:15px 0 16px;border-bottom:1px solid #ece4d4}
.b-h{margin:0;font:500 19px/1.2 var(--serif);color:var(--ink);letter-spacing:-.005em;font-variation-settings:"opsz" 20}
.b-t{margin-top:5px;font-size:15px;line-height:1.5;color:var(--ink-2)}
.b-from{margin-top:7px;font:600 10px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
/* pen: the human layer on the printed briefing */
.pen{position:absolute;pointer-events:none}
.pen-start{position:relative;flex:none;width:122px;margin:0 -10px 4px auto;transform:rotate(-7deg)}
.ring-wrap{position:relative;display:inline-block}
.pen-ring{position:absolute;left:-14px;top:-10px;width:calc(100% + 30px);height:calc(100% + 20px);max-width:none;overflow:visible;pointer-events:none}
.pen-ring path{fill:none;stroke:var(--hand);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke;stroke-dasharray:1 1;opacity:.92}

/* ---------- markers: which pieces each briefing item was built from ---------- */
.mk{position:absolute;z-index:3;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--teal);color:#fff;
  font:700 11.5px/1 var(--sans);box-shadow:0 0 0 3px #fff,0 2px 6px rgba(14,27,49,.22);transition:transform .35s var(--ease),background-color .3s}
.mk-out{right:-11px;top:50%;margin-top:-11px}
.mk-in{left:-6px;top:50%;width:12px;height:12px;margin-top:-6px;background:#fff;border:2px solid var(--teal);box-shadow:0 0 0 2px #fff}

/* ==========================================================================
   1 · Hero — the difference, set in type; a glimpse of the evidence below
   ========================================================================== */
.a-hero{position:relative;background:#fff;overflow:hidden;isolation:isolate}
.a-wash{position:absolute;pointer-events:none;max-width:none;user-select:none}
.a-wash-hero{z-index:-1;right:-4%;bottom:-30%;width:min(64vw,900px);opacity:.42;transform:rotate(-10deg)}
.a-hero-grid{display:grid;grid-template-columns:minmax(0,560px) minmax(0,1fr);grid-template-areas:"head head" "copy glimpse";column-gap:clamp(40px,5vw,96px);padding-top:132px}
.a-hero-head{grid-area:head}
.a-hero h1{font-size:clamp(46px,5.55vw,84px);line-height:.98;font-weight:470;letter-spacing:-.024em;margin-top:22px;font-variation-settings:"opsz" 72}
.a-hero h1 em{display:block;font-style:italic;font-weight:430;color:var(--teal);letter-spacing:-.026em;margin-top:.04em;text-wrap:balance}
.a-inv-head h2,.a-case-head h2,.a-learn-head h2,.a-why-copy h2,.sec-head h2,.a-close h2,.ps-q,.a-payoff-line{text-wrap:balance}
.a-hero-copy{grid-area:copy;padding:32px 0 72px}
.a-hero .lede{margin-top:0;font-size:clamp(18px,1.42vw,20.5px);max-width:27em}
.a-explain{margin-top:14px;font-size:17px;line-height:1.55;color:var(--muted);max-width:31em}
.a-quiet{margin-top:18px}
.a-quiet .text-link{font-size:15.5px}
.a-glimpse{grid-area:glimpse;position:relative;min-height:320px}
.a-glimpse-link{position:absolute;z-index:2;left:2%;top:24px;display:inline-flex;align-items:center;gap:7px;min-height:34px;font:600 11.5px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--teal-d);text-decoration:none;padding:10px 0 7px;border-bottom:1px solid rgba(27,89,84,.3)}
.a-glimpse-link svg{width:14px;height:14px;transition:transform .22s var(--ease)}
.a-glimpse-link:hover svg{transform:translateY(3px)}
.a-glimpse-frame{position:absolute;left:0;right:0;top:66px;bottom:0;
  -webkit-mask-image:linear-gradient(180deg,#000 0,#000 50%,transparent 94%);mask-image:linear-gradient(180deg,#000 0,#000 50%,transparent 94%)}
.a-glimpse-sheet{position:absolute;left:7%;top:12px;width:min(470px,90%);padding:24px 30px 30px 42px;transform:rotate(-2.2deg);transform-origin:50% 0}
.a-glimpse-sheet .mk{left:-53px;top:15px}
.a-glimpse-sheet .b-item{padding:14px 0}
.a-hero[data-intro="on"] .a-glimpse-sheet{animation:sheetIn 1.1s var(--ease) .35s both}
.a-hero[data-intro="on"] .a-glimpse-link{animation:fadeIn .6s ease 1.1s both}
.a-hero[data-intro="on"] .pen-start .hwn mask path{animation:draw var(--d,.2s) linear calc(1.25s + var(--t,0s)) both}

/* ==========================================================================
   2 · The work you never see — what happened · what the record says · what needs a person
   ========================================================================== */
.a-inv{position:relative;background:linear-gradient(180deg,#f3f7f6 0%,var(--a-mist) 60%,#e9f1ef 100%);border-top:1px solid var(--a-mist-line);border-bottom:1px solid var(--a-mist-line);padding:72px 0 76px}
.a-inv-head{max-width:1040px}
.a-inv-head h2{font-size:clamp(34px,3.3vw,48px);line-height:1.04;margin-top:16px;font-weight:460;letter-spacing:-.02em;text-wrap:balance;max-width:21em}
.a-inv-head h2 em{font-style:italic;font-weight:420;color:var(--teal)}
.a-inv-intro{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);margin-top:20px;align-items:start}
.a-inv-intro p{font-size:17.5px;line-height:1.56;color:var(--ink-2)}
.a-inv-intro p+p{font:italic 400 21px/1.4 var(--serif);color:var(--ink);padding-left:20px;border-left:2px solid rgba(27,89,84,.35);font-variation-settings:"opsz" 24}

.scene{margin:40px 0 0}
.scene-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:42px;padding-bottom:12px;border-bottom:1px solid var(--a-mist-line)}
.scene-tag{font:600 11.5px/1.35 var(--sans);letter-spacing:.15em;text-transform:uppercase;color:var(--muted)}
.scene-play{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 14px;border:1px solid #c9d8d5;border-radius:var(--radius);background:#fff;cursor:pointer;font:600 14px/1 var(--sans);color:var(--ink-2);transition:border-color .2s,color .2s,box-shadow .2s}
.scene-play:hover{border-color:var(--teal);color:var(--ink);box-shadow:0 6px 14px -10px rgba(14,27,49,.5)}
.scene-play svg{width:15px;height:15px}
.scene-play[hidden]{display:inline-flex;visibility:hidden}

.scene-grid{position:relative;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,.97fr) minmax(0,1.24fr);column-gap:clamp(54px,4.9vw,72px);margin-top:24px;align-items:start}
@media (min-width:1100px){
  .col-src,.col-rec{grid-row:1;margin-bottom:86px}
  .col-src{grid-column:1}.col-rec{grid-column:2}.col-brief{grid-column:3;grid-row:1}
  .scene-key{grid-column:1/3;grid-row:1;align-self:end;max-width:600px;margin:0 0 4px}
}
.threads{position:absolute;left:0;top:0;width:100%;height:100%;overflow:visible;pointer-events:none;z-index:0;display:none}
.threads .thr{fill:none;stroke:var(--a-thread);stroke-width:1.7;stroke-linecap:round;opacity:.5;transition:opacity .35s,stroke-width .35s}
.col{position:relative;z-index:1;min-width:0}
.col-lab{margin:0 0 12px;font:600 10.5px/1.2 var(--sans);letter-spacing:.17em;text-transform:uppercase;color:var(--muted)}

.frag{position:relative;background:#fff;border:1px solid #dbe4e2;border-radius:8px;box-shadow:0 1px 2px rgba(14,27,49,.05),0 18px 34px -26px rgba(14,27,49,.42)}
.frag-h{display:flex;align-items:center;gap:8px;padding:10px 14px 9px;border-bottom:1px solid #edf1f1}
.frag-h svg{width:17px;height:17px;flex:none;color:var(--teal)}
.frag-h b{font:600 13.5px/1 var(--sans);color:var(--ink)}
.frag-h span{margin-left:auto;font-size:12px;line-height:1;color:var(--faint)}
.frag-chat{transform:rotate(-.7deg)}
.frag-mail{margin-top:22px;padding-bottom:14px;transform:rotate(.5deg)}
.chats{list-style:none;margin:0;padding:3px 0}
.chat{position:relative;display:grid;grid-template-columns:34px minmax(0,1fr) auto;column-gap:11px;row-gap:1px;align-items:center;padding:9px 16px 10px 14px;transition:background-color .35s}
.chat+.chat{border-top:1px solid #f0f3f3}
.av{grid-row:span 2;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;font:600 14px/1 var(--sans);color:#fff}
.av-m{background:#6f9d95}.av-s{background:#a88c66}.av-l{background:#98a2b4}
.chat-n{grid-column:2/4;display:flex;justify-content:space-between;align-items:baseline;gap:8px;font-size:14px;line-height:1.25;color:var(--ink)}
.chat-n b{font-weight:600}
.chat-n time,.mail-from time{font-size:11.5px;color:#6f7a8f;white-space:nowrap}
.chat-p{grid-column:2;font-size:13.5px;line-height:1.35;color:var(--muted)}
.unread{grid-column:3;grid-row:2;justify-self:end;width:9px;height:9px;margin-right:6px;border-radius:50%;background:#3d8f6f;box-shadow:0 0 0 3px rgba(61,143,111,.15)}
.chat.quiet{opacity:.62}
.you{color:var(--faint)}
.mail-from{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:11px 18px 0 16px;font-size:14px;color:var(--ink)}
.mail-from b{font-weight:600}
.mail-subj{padding:2px 18px 0 16px;font:600 13.5px/1.35 var(--sans);color:var(--ink-2)}
.mail-body{padding:7px 18px 0 16px;font-size:14px;line-height:1.45;color:var(--ink-2)}
.frag-mail .mk-out{top:58%}
.frag-mail{transition:background-color .35s}

.frag-sheet{margin-top:56px}
.sheet{font-size:13px}
.s-row{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr) minmax(0,1.16fr);border-top:1px solid #edf0f1;transition:background-color .35s}
.s-row>span[role]{padding:9px 10px;line-height:1.32;min-width:0}
.s-row>span[role]:first-child{padding-left:14px}
.s-head{border-top:0}
.s-head>span[role]{padding-top:8px;padding-bottom:8px;font:600 9.5px/1.25 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}
.s-head .s-sys i{display:block;font-style:normal;color:var(--teal-l);letter-spacing:.1em}
.s-row b{display:block;font:600 13.5px/1.25 var(--sans);color:var(--ink)}
.s-row small{display:block;margin-top:1px;font-size:12px;color:var(--muted)}
.s-row>span:nth-child(2){color:var(--ink-2)}
.s-row .s-sys{background:rgba(27,89,84,.045);border-left:1px solid #dce9e6;color:var(--teal-d);font:italic 400 13.5px/1.32 var(--serif);font-variation-settings:"opsz" 14}
.s-head .s-sys{font:600 9.5px/1.25 var(--sans);font-style:normal}
.chip-new{display:inline-block;margin-top:5px;padding:2px 6px 2px;border-radius:3px;background:var(--teal);color:#fff;font:700 9px/1.35 var(--sans);font-style:normal;letter-spacing:.1em;text-transform:uppercase}
.s-row.is-new{background:#f5faf9}
.s-row.is-new>span[role]:first-child{box-shadow:inset 3px 0 0 var(--teal)}
.s-row.quiet{opacity:.62}

.col-brief{position:relative}
.a-wash-scene{z-index:-1;left:-22%;top:-6%;width:150%;opacity:.5}
.brief{position:relative;padding:24px 28px 24px 42px;transform:rotate(.35deg)}
.brief .mk-dst{left:-53px;top:15px}
.b-ctrl{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:18px}
.b-btn{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 11px 0 13px;border:1px solid #d9d0bd;border-radius:var(--radius);background:#fff;cursor:pointer;font:600 14px/1.15 var(--sans);color:var(--teal-d);text-align:left;box-shadow:0 1px 2px rgba(70,55,30,.08);transition:border-color .2s,box-shadow .2s}
.b-btn:hover{border-color:var(--teal);box-shadow:0 6px 14px -10px rgba(14,27,49,.5)}
.b-btn svg{width:16px;height:16px;flex:none;transition:transform .25s var(--ease)}
.b-btn[aria-expanded="true"]{background:#f1f7f6;border-color:#a9c9c3}
.b-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.b-panel{margin-top:12px;padding:15px 16px 15px;background:#fff;border:1px solid #ebe3d3;border-radius:6px}
.b-panel[hidden]{display:none}
html:not(.js) .b-ctrl{display:none}
.pl-lab{font:600 10.5px/1.2 var(--sans);letter-spacing:.15em;text-transform:uppercase;color:var(--teal)}
.convo{margin-top:10px;padding:11px 12px 12px;border-radius:8px;background:#ecf2f1}
.cv-meta{font-size:12px;color:var(--muted)}
.bub{position:relative;width:fit-content;max-width:92%;margin-top:7px;padding:7px 10px;border-radius:2px 10px 10px 10px;background:#fff;font-size:14px;line-height:1.42;color:var(--ink);box-shadow:0 1px 1px rgba(14,27,49,.08)}
.bub time{margin-left:8px;font-size:11px;color:var(--faint)}
.b-panel mark{background:none;color:inherit;box-shadow:inset 0 -.42em 0 rgba(27,89,84,.17);border-radius:2px;padding:0 .04em}
.b-panel mark::after{content:attr(data-k);margin-left:2px;font:700 9.5px/1 var(--sans);color:var(--teal);vertical-align:super}
.pl-rec{margin-top:10px;font-size:13.5px;line-height:1.45;color:var(--ink-2)}
.pl-rec b,.pl-held b{color:var(--ink);font-weight:600}
.draft{margin-top:10px;padding:11px 13px;border-radius:10px 10px 2px 10px;background:#e6f1ef;border:1px dashed #9cc4bd;font-size:14.5px;line-height:1.5;color:var(--ink)}
.pl-use{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;margin-top:10px;font-size:12.5px;line-height:1.3;color:var(--muted)}
.pl-use span{display:inline-flex;align-items:center;gap:5px;padding:3px 8px;border-radius:12px;background:#f2f5f5;color:var(--ink-2)}
.pl-use i{font:700 10px/1 var(--sans);font-style:normal;color:var(--teal)}
.pl-dec{margin-top:10px;font:italic 400 15.5px/1.4 var(--serif);color:var(--ink)}
.pl-held{margin-top:6px;font-size:13px;line-height:1.45;color:var(--muted)}

.scene-key{position:relative;z-index:1;grid-column:1/-1;display:flex;align-items:flex-start;gap:10px;margin:0;font-size:14.5px;line-height:1.5;color:var(--muted)}
.scene-key>span:not(.mk-key){display:block}
.scene-key>span:nth-child(2){flex:1 1 0;min-width:0}
.mk-key{display:inline-grid;place-items:center;flex:none;width:20px;height:20px;margin-top:1px;border-radius:50%;background:var(--teal);color:#fff;font:700 10.5px/1 var(--sans)}
.scene-key{flex-wrap:wrap}
.scene-key>span:last-child{flex-basis:100%;padding-left:30px}
.key-pen{font:italic 500 16px/1.2 var(--serif);color:var(--hand)}

/* the payoff */
.a-payoff{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(40px,6vw,110px);margin-top:52px;padding-top:40px;border-top:1px solid var(--a-mist-line);align-items:start}
.a-payoff-line{font:450 clamp(34px,3.2vw,48px)/1.06 var(--serif);letter-spacing:-.02em;color:var(--ink);font-variation-settings:"opsz" 48;text-wrap:balance}
.a-payoff-line em{display:block;margin-top:.12em;font-style:italic;font-weight:420;color:var(--teal)}
.a-payoff-body p{font-size:17px;line-height:1.6;color:var(--ink-2)}
.a-payoff-body p+p{margin-top:12px}
.a-payoff-body .a-payoff-note{margin-top:18px;padding:12px 16px;border-left:2px solid var(--teal);background:rgba(255,255,255,.62);border-radius:0 6px 6px 0;font-size:15.5px;line-height:1.5}

/* --- desktop threads + the replayable sequence (JS adds .lines, .seq; without it, everything above is final) --- */
.lines .threads{display:block}
.scene[data-hl="1"] .thr-g:not([data-k="1"]) .thr,.scene[data-hl="2"] .thr-g:not([data-k="2"]) .thr,.scene[data-hl="3"] .thr-g:not([data-k="3"]) .thr{opacity:.16}
.scene[data-hl="1"] .thr-g[data-k="1"] .thr,.scene[data-hl="2"] .thr-g[data-k="2"] .thr,.scene[data-hl="3"] .thr-g[data-k="3"] .thr{opacity:1;stroke-width:2.1}
.scene[data-hl="1"] [data-thread="1"],.scene[data-hl="2"] [data-thread="2"],.scene[data-hl="3"] [data-thread="3"]{background-color:var(--a-hl)}
.scene[data-hl="1"] .mk[data-k="1"],.scene[data-hl="2"] .mk[data-k="2"],.scene[data-hl="3"] .mk[data-k="3"]{transform:scale(1.14)}
.seq .thr{stroke-dasharray:var(--len,600) var(--len,600);stroke-dashoffset:var(--len,600);transition:stroke-dashoffset .55s cubic-bezier(.45,.05,.3,1),opacity .35s,stroke-width .35s}
.seq .thr.drawn{stroke-dashoffset:0}
.seq .lit,.seq .b-item.lit{background-color:var(--a-hl2)}
.seq .chat.lit,.seq .s-row.lit,.seq .frag-mail.lit{background-color:rgba(27,89,84,.11)}
.seq .lit .mk,.seq .mk.lit{animation:pulse .9s ease-out both}
.seq .thr.lit{opacity:1;stroke-width:2.2}
.seq .b-item{transition:opacity .45s ease,background-color .35s}
.seq:not(.done) .b-item:not(.shown){opacity:.2}
.seq:not(.done) .b-item:not(.shown) .mk{background:#b9c6c4}
.seq:not(.done) .s-row.is-new:not(.shown)>span[role]{opacity:0}
.seq:not(.done) .s-row.is-new:not(.shown){background:repeating-linear-gradient(135deg,rgba(27,89,84,.05) 0 6px,transparent 6px 12px)}
.seq:not(.done) .s-row.is-new:not(.shown) .mk-out{opacity:0}
.seq .s-row.is-new>span[role]{transition:opacity .45s ease}
.b-item.lit{box-shadow:-14px 0 0 0 var(--a-hl2),14px 0 0 0 var(--a-hl2)}
/* pen: written once the pieces are together (and when the briefing arrives on narrower screens) */
.pen-await:not(.penned) .pen-start .hwn mask path{stroke-dashoffset:var(--l)}
.pen-await:not(.penned) .pen-ring path{stroke-dashoffset:1}
.penned .pen-start .hwn mask path{animation:draw var(--d,.2s) linear calc(.1s + var(--t,0s)) both}
.penned .pen-ring path{animation:drawN .7s cubic-bezier(.4,.1,.3,1) 1.05s both}

/* ==========================================================================
   3 · A second example — the problem wasn't only the prompt
   ========================================================================== */
.a-case{background:#fff;padding:72px 0 76px}
.a-case-head{max-width:820px}
.a-case-head h2{font-size:clamp(34px,3.25vw,46px);line-height:1.04;margin-top:16px;font-weight:460;letter-spacing:-.02em}
.cmp{--cmp:minmax(0,.92fr) minmax(0,1fr) 46px minmax(0,1.3fr);margin-top:34px;padding:22px 30px 22px;background:#fff;border:1px solid #e1e7eb;border-radius:10px;box-shadow:0 26px 52px -42px rgba(14,27,49,.5)}
.cmp-tag{font:600 11px/1.4 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.cmp-cols{display:grid;grid-template-columns:var(--cmp);margin-top:18px;padding-bottom:9px;border-bottom:1px solid var(--line);font:600 10.5px/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
.cmp-cols span:nth-child(2){grid-column:2}
.cmp-cols span:nth-child(3){grid-column:4;color:var(--teal)}
.cmp-row{display:grid;grid-template-columns:var(--cmp);align-items:start;padding:22px 0 22px;border-bottom:1px solid var(--line)}
.cmp-row:last-of-type{border-bottom:0}
.lens{padding-right:24px}
.lens-lab{display:flex;align-items:baseline;gap:10px;font:600 11.5px/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
.lens-lab span{font:italic 500 15px/1 var(--serif);letter-spacing:0;color:var(--teal-l)}
.lens-q{margin-top:9px;font:italic 400 19.5px/1.36 var(--serif);color:var(--ink);font-variation-settings:"opsz" 22;max-width:16em}
.cell-lab{display:none}
.bf{padding-right:4px;color:var(--muted)}
.cmp-arrow{display:grid;place-items:center;align-self:center;color:#9fbab6}
.cmp-arrow svg{width:22px;height:22px}
.ctx-lab{font:600 10px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.ctx{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.ctx li{display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:5px;background:#e6f1ef;border:1px solid #cfe3df;color:var(--teal-d);font:600 14px/1.2 var(--sans)}
.ctx li svg{width:17px;height:17px;flex:none}
.ctx li.off{background:#fff;border:1px dashed #c5ccd6;color:#97a0ae;font-weight:500;text-decoration:line-through;text-decoration-thickness:1px}
.bf-t{margin-top:8px;font-size:15.5px;line-height:1.5;color:var(--muted)}
.bf .bf-t:first-child,.bf .cell-lab+.bf-t{margin-top:0}
.req{padding:10px 13px;border-radius:10px 10px 10px 2px;background:#f1f3f6;font-size:15px;line-height:1.48;color:var(--ink-2)}
.req-af{background:#e7f2f0;border:1px solid #cfe3df;color:var(--ink)}
.af-t{font-size:15.5px;line-height:1.5;color:var(--ink)}
.af-note{margin-top:9px;font:italic 400 15.5px/1.42 var(--serif);color:var(--teal-d)}
.cmp-out{margin-top:6px;padding-top:16px;border-top:1px solid var(--line);font-size:16px;line-height:1.55;color:var(--ink-2)}
.cmp-out b{color:var(--ink);font-weight:600}
.a-case-q{margin-top:46px;max-width:1040px;font:450 clamp(27px,2.65vw,39px)/1.18 var(--serif);letter-spacing:-.018em;color:var(--ink);font-variation-settings:"opsz" 40;text-wrap:balance}
.a-case-q .q1{color:var(--muted)}
.a-case-q em{display:block;margin-top:.18em;font-style:italic;font-weight:420;color:var(--teal)}

/* ==========================================================================
   4 · The bigger picture — three questions
   ========================================================================== */
.a-learn{background:var(--paper);border-top:1px solid #efece5;border-bottom:1px solid #efece5;padding:72px 0 70px}
.a-learn-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.22fr);grid-template-areas:"head qs" "head foot";column-gap:clamp(48px,6.5vw,120px);align-items:start}
.a-learn-head{grid-area:head;position:sticky;top:104px}
.a-learn-head h2{font-size:clamp(34px,3.25vw,46px);line-height:1.04;margin-top:16px;font-weight:460;letter-spacing:-.02em;text-wrap:balance}
.a-learn-head h2 em{font-style:italic;font-weight:420;color:var(--teal)}
.a-learn-not{margin-top:16px;font:italic 400 19px/1.42 var(--serif);color:var(--ink);max-width:24em}
.qs{grid-area:qs;list-style:none;margin:0;padding:0;border-top:1px solid #e4dfd3}
.q{display:grid;grid-template-columns:52px minmax(0,1fr);column-gap:16px;padding:24px 0 26px;border-bottom:1px solid #e4dfd3}
.q>*{grid-column:2}
.q-n{grid-column:1;grid-row:1/span 4;padding-top:3px;font:italic 500 24px/1 var(--serif);color:var(--teal-l)}
.q h3{font-size:clamp(24px,2vw,29px);line-height:1.16;font-weight:460;letter-spacing:-.012em;text-wrap:balance}
.q-t{margin-top:10px;font-size:17px;line-height:1.55;max-width:36em}
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:6px 7px;margin-top:14px}
.chain span{padding:5px 11px 6px;border-radius:20px;background:#fff;border:1px solid #d6e4e1;font:600 13px/1.2 var(--sans);color:var(--teal-d)}
.chain svg{width:15px;height:15px;color:#8fb3ad}
.q-eg{margin-top:12px;padding-left:14px;border-left:2px solid rgba(27,89,84,.3);font:italic 400 16.5px/1.45 var(--serif);color:var(--ink);max-width:34em;font-variation-settings:"opsz" 18}
.q-eg span{display:block;margin-bottom:3px;font:600 10px/1.2 var(--sans);font-style:normal;letter-spacing:.15em;text-transform:uppercase;color:var(--teal)}
.a-learn-foot{grid-area:foot;margin-top:22px;font:italic 400 17px/1.45 var(--serif);color:var(--muted)}
.q.await{opacity:0;transform:translateY(12px)}
.q.inview{animation:rise .7s var(--ease) calc(.05s + var(--i) * .12s) both}

/* ==========================================================================
   5 · Why I approach AI this way — three perspectives, each a question you have already seen asked
   ========================================================================== */
.a-why{background:#fff;padding:72px 0 72px}
.a-why-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:clamp(48px,6.5vw,120px);align-items:start}
.a-why-text{padding-top:36px}
.a-why-copy h2{font-size:clamp(32px,3vw,44px);line-height:1.06;margin-top:16px;font-weight:460;letter-spacing:-.02em}
.a-why-copy h2 em{font-style:italic;font-weight:420;color:var(--teal)}
.a-why-body{font-size:17.5px;line-height:1.6;max-width:34em}
.a-why-body+.a-why-body{margin-top:10px}
.persp{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.persp li{display:flex;flex-direction:column;align-items:flex-start;padding:24px 30px 24px 0}
.persp li+li{padding-left:30px;border-left:1px solid var(--line)}
.ps-lab{font:600 11.5px/1.2 var(--sans);letter-spacing:.17em;text-transform:uppercase;color:var(--teal)}
.ps-q{margin-top:12px;font:italic 400 clamp(22px,1.75vw,25.5px)/1.28 var(--serif);color:var(--ink);font-variation-settings:"opsz" 28;text-wrap:balance}
.ps-t{margin:12px 0 18px;font-size:16px;line-height:1.5;color:var(--ink-2)}
.persp .seen{margin-top:auto}
.seen{display:inline-flex;align-items:center;gap:6px;min-height:34px;padding:9px 0 6px;font:600 11.5px/1.2 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--teal);text-decoration:none;border-bottom:1px solid rgba(27,89,84,.25);transition:border-color .2s}
.seen:hover{border-bottom-color:var(--teal)}
.seen svg{width:13px;height:13px}
.persp.await li{opacity:0;transform:translateY(12px)}
.persp.inview li{animation:rise .7s var(--ease) calc(.1s + var(--i) * .14s) both}
.a-why-q{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);column-gap:clamp(32px,4vw,64px);align-items:end;margin:26px 0 0}
.a-why-q blockquote{margin:0}
.a-why-q blockquote p{font:italic 400 21px/1.4 var(--serif);color:var(--ink);font-variation-settings:"opsz" 24;text-wrap:pretty}
.a-why-q figcaption{font-size:14.5px;line-height:1.4;color:var(--muted)}
.a-why-q figcaption b{color:var(--ink);font-weight:600}
.a-why-q small{display:block;margin-top:5px;font:600 10px/1.25 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}

/* ==========================================================================
   6 · Two paths, and a quieter third
   ========================================================================== */
.a-paths{background:#fff;padding:68px 0 80px;border-top:1px solid var(--line)}
.paths{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;margin-top:34px;align-items:stretch}
.path{position:relative;display:flex;flex-direction:column;align-items:flex-start;padding:30px 32px 32px;border-radius:10px}
.path-you{background:var(--paper);border:1px solid #ebe5d8}
.path-org{background:#fff;border:1px solid #dde5e9;box-shadow:0 24px 50px -42px rgba(14,27,49,.5)}
.path-org::before{content:"";position:absolute;left:32px;right:32px;top:-1px;height:3px;border-radius:0 0 3px 3px;background:var(--teal)}
.path-tag{display:flex;align-items:center;gap:8px;font:600 11.5px/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--teal)}
.path-tag svg{width:18px;height:18px}
.path h3{margin-top:14px;font-size:clamp(28px,2.4vw,35px);line-height:1.08;font-weight:460;letter-spacing:-.016em}
.path-lede{margin-top:10px;font-size:17px;line-height:1.55;color:var(--ink-2);max-width:30em}
.path-sub{margin-top:20px;font:600 10.5px/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.starts{list-style:none;align-self:stretch;margin:8px 0 0;padding:0}
.starts li{position:relative;padding:7px 0 7px 22px;border-top:1px dashed #ded7c7;font:italic 400 17.5px/1.35 var(--serif);color:var(--ink);font-variation-settings:"opsz" 20}
.starts li:last-child{border-bottom:1px dashed #ded7c7}
.starts li::before{content:"";position:absolute;left:2px;top:15px;width:8px;height:8px;border-radius:50%;border:1.5px solid var(--teal-l)}
.fmts{list-style:none;align-self:stretch;margin:22px 0 0;padding:0;display:grid;gap:10px}
.fmts li{display:grid;grid-template-columns:28px minmax(0,1fr);column-gap:12px;row-gap:2px;padding:13px 16px 14px;background:#fff;border:1px solid #ece5d7;border-radius:7px}
.fmts svg{grid-row:span 2;width:24px;height:24px;color:var(--teal);margin-top:1px}
.fmts b{font:600 16px/1.3 var(--sans);color:var(--ink)}
.fmts span{font-size:15px;line-height:1.45;color:var(--muted)}
.path-welcome{margin:18px 0 26px;font-size:15.5px;line-height:1.55;color:var(--ink-2)}
.path-welcome b{color:var(--ink);font-weight:600}
.layers{list-style:none;align-self:stretch;margin:22px 0 0;padding:0;counter-reset:l}
.layers li{counter-increment:l;display:grid;grid-template-columns:30px minmax(0,1fr);column-gap:12px;row-gap:3px;padding:12px 0 13px;border-top:1px solid var(--line)}
.layers li::before{content:counter(l,decimal-leading-zero);grid-row:span 2;font:italic 500 16px/1.35 var(--serif);color:var(--teal-l)}
.layers b{font:600 16px/1.3 var(--sans);color:var(--ink)}
.layers b i{display:inline-block;margin-left:8px;padding:2px 7px;border:1px dashed #a8bdbf;border-radius:3px;font:600 9.5px/1.4 var(--sans);font-style:normal;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);vertical-align:2px}
.layers span{font-size:15px;line-height:1.5;color:var(--ink-2)}
.layers li.sep{border-top:1px dashed #c3d0d3}
.path-lead{align-self:stretch;margin:16px 0 26px;padding:11px 14px;border-radius:6px;background:#f0f6f5;font-size:15.5px;line-height:1.5;color:var(--ink-2)}
.path-lead b{color:var(--ink);font-weight:600}
.path .btn{margin-top:auto}
.assess{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"h link" "t link";column-gap:28px;row-gap:4px;align-items:center;margin-top:24px;padding:20px 28px;border:1px dashed #c4d4d1;border-radius:10px;background:linear-gradient(180deg,#fbfdfc,#f4f8f7)}
.assess-h{grid-area:h;font:450 24px/1.2 var(--serif);color:var(--ink);letter-spacing:-.01em}
.assess-h em{font-style:italic;font-weight:420;color:var(--teal)}
.assess-t{grid-area:t;font-size:15.5px;line-height:1.5;color:var(--muted)}
.assess .text-link{grid-area:link;justify-self:end}

/* ==========================================================================
   7 · Close — understand, improve or build
   ========================================================================== */
.a-close{position:relative;overflow:hidden;isolation:isolate;background:var(--night);color:#fff;text-align:center;padding:86px 0 90px}
.a-close::before{content:"";position:absolute;inset:-25% -10%;z-index:-1;background:radial-gradient(46% 58% at 50% 40%,rgba(45,122,114,.34),rgba(45,122,114,0) 72%),radial-gradient(28% 40% at 84% 86%,rgba(79,118,153,.2),rgba(79,118,153,0) 70%),radial-gradient(24% 34% at 12% 12%,rgba(45,122,114,.16),rgba(45,122,114,0) 70%)}
.a-close-in{display:flex;flex-direction:column;align-items:center;max-width:900px}
.a-close-label{color:#9fd3ca}
.a-close h2{margin-top:16px;color:#fff;font-size:clamp(38px,4.1vw,60px);line-height:1.04;font-weight:450;letter-spacing:-.022em;text-wrap:balance;font-variation-settings:"opsz" 60}
.a-close h2 em{font-style:italic;font-weight:420;color:#a9ddd4}
.a-close-lede{margin-top:20px;max-width:34em;font-size:18.5px;line-height:1.55;color:rgba(255,255,255,.88)}
.a-close-act{position:relative;margin-top:30px}
.a-close-note{position:absolute;left:100%;top:-46px;width:184px;margin-left:18px;transform:rotate(-6deg)}
.a-close-note .ink{fill:#fff}
.a-close-note{filter:drop-shadow(0 1px 5px rgba(0,0,0,.35))}
.a-close-sub{margin-top:22px}
.a-close-sub a{display:inline-block;padding:8px 0;font-size:15.5px;color:rgba(255,255,255,.76);text-underline-offset:4px;text-decoration-color:rgba(255,255,255,.35)}
.a-close-sub a:hover{color:#fff;text-decoration-color:#fff}
.a-close.await .a-close-note mask path{stroke-dashoffset:var(--l)}
.a-close.inview .a-close-note mask path{animation:draw var(--d,.2s) linear calc(.5s + var(--t,0s)) both}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (min-width:1100px) and (max-width:1279px){
  .a-hero-grid{grid-template-columns:minmax(0,500px) minmax(0,1fr)}
  .scene-grid{column-gap:54px}
  .s-row{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);grid-template-areas:"who sys" "when sys"}
  .s-row>span[role]:nth-child(1){grid-area:who;padding-bottom:2px}
  .s-row>span[role]:nth-child(2){grid-area:when;padding-top:0;padding-left:14px;font-size:12px;color:var(--muted)}
  .s-row>span[role]:nth-child(3){grid-area:sys}
  .s-head{grid-template-areas:"who sys"}
  .s-head>span[role]:nth-child(2){display:none}
  .chip-new{margin-left:6px;margin-top:0}
  .s-row>span[role]{padding-left:8px;padding-right:8px}
  .chat{padding-left:12px;padding-right:14px}
  .brief{padding-right:22px}
  .b-t{font-size:14.5px}
  .cmp{--cmp:minmax(0,.86fr) minmax(0,1fr) 40px minmax(0,1.3fr);padding-left:24px;padding-right:24px}
}
@media (max-width:1180px){.nav ul{gap:20px}}
@media (max-width:1099px){
  .site-header .bar{grid-template-columns:auto 1fr auto}
  .nav{display:none}
  .menu-toggle{display:inline-flex}
  .mnav{position:fixed;inset:64px 0 auto 0;z-index:49;background:#fff;box-shadow:0 20px 40px -20px rgba(14,27,49,.4);padding:8px var(--gutter) 20px}
  .mnav.open{display:block}
  .mnav a{display:block;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none;font:500 18px/1 var(--sans);color:var(--ink)}
  .mnav a[aria-current="page"]{font-weight:600;color:var(--teal)}
  /* hero */
  .a-hero-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"head" "copy" "glimpse";padding-top:116px}
  .a-hero h1{font-size:clamp(42px,6.4vw,64px)}
  .a-hero-copy{padding:26px 0 0;max-width:640px}
  .a-glimpse{min-height:300px;margin-top:20px}
  .a-glimpse-link{left:0;top:6px}
  .a-glimpse-frame{top:44px}
  .a-glimpse-sheet{left:auto;right:4%;width:min(500px,86%)}
  .a-wash-hero{right:-20%;bottom:-12%;width:110vw}
  /* scene: what happened (two fragments side by side) → the record → the briefing */
  .mk-in{display:none}
  .a-inv{padding:62px 0 66px}
  .a-inv-intro{grid-template-columns:1fr}
  .scene-play{display:none}
  .scene-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-template-areas:"src src" "rec rec" "brief brief";row-gap:34px;column-gap:28px}
  .col-src{grid-area:src;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:24px;align-items:start}
  .col-src .col-lab{grid-column:1/-1}
  .frag-mail{margin-top:0}
  .col-rec{grid-area:rec}
  .frag-sheet{margin-top:0}
  .col-brief{grid-area:brief;max-width:620px;width:100%;justify-self:center}
  .col-rec::before,.col-brief::before{content:"";position:absolute;left:50%;top:-30px;height:20px;border-left:1.5px dashed rgba(27,89,84,.45)}
  .a-payoff{grid-template-columns:1fr;gap:22px}
  /* case */
  .a-case{padding:62px 0 64px}
  .cmp{--cmp:minmax(0,1fr) 40px minmax(0,1.22fr);padding:20px 22px}
  .cmp-cols{display:none}
  .cmp-row{grid-template-areas:"lens lens lens" "bf ar af";row-gap:14px}
  .lens{grid-area:lens;padding-right:0}
  .lens-q{max-width:none}
  .bf{grid-area:bf}.cmp-arrow{grid-area:ar}.af{grid-area:af}
  .cell-lab{display:block;margin-bottom:8px;font:600 10px/1.2 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--faint)}
  .af .cell-lab{color:var(--teal)}
  /* learning */
  .a-learn{padding:62px 0 60px}
  .a-learn-grid{grid-template-columns:1fr;grid-template-areas:"head" "qs" "foot";row-gap:30px}
  .a-learn-head{position:static}
  .a-learn-foot{margin-top:0}
  /* why */
  .a-why{padding:62px 0 60px}
  .a-why-top{grid-template-columns:1fr;row-gap:18px}
  .a-why-text{padding-top:0}
  .a-why-q{grid-template-columns:1fr;row-gap:10px}
  /* paths */
  .a-paths{padding:58px 0 66px}
  .a-close{padding:72px 0 76px}
  .a-close-note{position:relative;left:auto;top:auto;margin:22px auto 0;transform:rotate(-4deg)}
  .a-close-act{display:flex;flex-direction:column;align-items:center}
}
@media (max-width:899px){
  .persp{grid-template-columns:1fr;margin-top:26px}
  .persp li,.persp li+li{padding:20px 0 20px;border-left:0}
  .persp li+li{border-top:1px solid var(--line)}
  .ps-t{margin-bottom:12px}
  .paths{grid-template-columns:1fr;gap:20px}
  .assess{grid-template-columns:1fr;grid-template-areas:"h" "t" "link"}
  .assess .text-link{justify-self:start;margin-top:8px}
}
@media (max-width:699px){
  body{font-size:16.5px}
  :root{--gutter:20px}
  .brand-name{font-size:24px}
  .brand-tag{font-size:9.5px;letter-spacing:.16em}
  .site-header .bar{height:64px;gap:12px}
  .header-cta .btn{display:none}
  .sec-head h2,.a-inv-head h2,.a-case-head h2,.a-learn-head h2,.a-why-copy h2{font-size:clamp(30px,8.6vw,36px)}
  .sec-intro{font-size:16.5px}
  /* hero */
  .a-hero-grid{padding-top:94px}
  .a-hero h1{font-size:clamp(30px,calc((100vw - 40px) / 8.9),46px);line-height:1.02;margin-top:16px}
  .a-hero-copy{padding-top:20px}
  .a-hero .lede{font-size:17.5px}
  .a-explain{font-size:16px}
  .cta{gap:10px;margin-top:24px}
  .cta .btn{flex:1 1 100%;justify-content:center}
  .a-quiet .text-link{font-size:15px}
  .a-glimpse{min-height:236px;margin:22px -20px 0}
  .a-glimpse-link{left:20px}
  .a-glimpse-frame{top:40px}
  .a-glimpse-sheet{left:auto;right:16px;width:calc(100% - 46px);padding:18px 18px 22px 34px}
  .a-glimpse-sheet .mk{left:-45px}
  .a-glimpse-sheet .brief-title{font-size:25px}
  .a-glimpse-sheet .pen-start{width:104px}
  /* scene: one readable column */
  .a-inv{padding:46px 0 50px}
  .a-inv-intro{margin-top:16px;gap:16px}
  .a-inv-intro p{font-size:16.5px}
  .a-inv-intro p+p{font-size:19px;padding-left:16px}
  .scene{margin-top:28px}
  .scene-tag{font-size:10.5px;letter-spacing:.12em}
  .scene-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"src" "rec" "brief";row-gap:30px;margin-top:20px}
  .col-src{grid-template-columns:minmax(0,1fr);row-gap:18px}
  .frag-chat,.frag-mail,.brief{transform:none}
  .mk-out{right:-9px}
  .chat{padding-left:12px;padding-right:16px}
  .s-row{grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);grid-template-areas:"who sys" "when sys"}
  .s-row>span[role]:nth-child(1){grid-area:who;padding-bottom:2px}
  .s-row>span[role]:nth-child(2){grid-area:when;padding-top:0;padding-left:14px;font-size:12px;color:var(--muted)}
  .s-row>span[role]:nth-child(3){grid-area:sys}
  .s-head{grid-template-areas:"who sys"}
  .s-head>span[role]:nth-child(2){display:none}
  .chip-new{margin-left:6px;margin-top:0}
  .col-rec::before,.col-brief::before{top:-26px;height:18px}
  .brief{padding:20px 18px 20px 36px}
  .brief .mk-dst{left:-47px}
  .brief-title{font-size:26px}
  .pen-start{width:104px;margin-right:-4px}
  .b-h{font-size:18px}
  .b-ctrl{flex-direction:column;align-items:stretch}
  .b-btn{justify-content:space-between}
  .b-panel{margin-left:-6px;margin-right:-4px;padding:13px 12px}
  .scene-key{font-size:14px;margin-top:22px}
  .a-payoff{margin-top:36px;padding-top:28px}
  .a-payoff-line{font-size:clamp(29px,8.4vw,34px)}
  .a-payoff-body p{font-size:16.5px}
  /* case: stacked rows */
  .a-case{padding:48px 0 50px}
  .cmp{margin:28px -6px 0;padding:18px 16px}
  .cmp-tag{font-size:10.5px;letter-spacing:.12em}
  .cmp-row{grid-template-columns:minmax(0,1fr);grid-template-areas:"lens" "bf" "ar" "af";row-gap:10px;padding:20px 0}
  .cmp-arrow{justify-self:start;padding-left:14px}
  .cmp-arrow svg{transform:rotate(90deg)}
  .lens-q{font-size:18.5px}
  .a-case-q{margin-top:34px;font-size:clamp(25px,7vw,29px)}
  /* learning */
  .a-learn{padding:48px 0 46px}
  .a-learn-not{font-size:18px}
  .q{grid-template-columns:40px minmax(0,1fr);column-gap:10px;padding:20px 0 22px}
  .q-n{font-size:21px}
  .q h3{font-size:23px}
  .q-t{font-size:16.5px}
  /* why */
  .a-why{padding:48px 0 46px}
  .a-why-body{font-size:16.5px}
  .a-why-q blockquote p{font-size:19px}
  .ps-q{font-size:22px}
  /* paths */
  .a-paths{padding:46px 0 52px}
  .paths{margin-top:26px}
  .path{padding:24px 20px 24px;margin:0 -6px}
  .path-org::before{left:20px;right:20px}
  .path h3{font-size:28px}
  .path-lede{font-size:16.5px}
  .path .btn{align-self:stretch;justify-content:center}
  .assess{margin:20px -6px 0;padding:18px 18px}
  .assess-h{font-size:22px}
  /* close */
  .a-close{padding:58px 0 60px}
  .a-close h2{font-size:clamp(32px,9.2vw,40px)}
  .a-close-lede{font-size:17px}
  .a-close-act{align-self:stretch}
  .a-close-act .btn{justify-content:center}
  .a-close-note{width:170px}
  /* footer & dialogs */
  .footer .wrap{grid-template-columns:1fr;justify-items:start;gap:20px}
  .footer nav ul{justify-content:flex-start;gap:0 22px}
  .footer nav a{display:inline-block;padding:12px 0}
  .footer .fine button{padding:10px 0}
  .dlg{padding:24px 20px}
  .dlg h3{font-size:27px}
}
@media (max-width:379px){
  .brief-title{font-size:24px}
  .pen-start{width:96px}
  .s-row{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}
}

/* ---------- reduced motion: final compositions, no travel ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-delay:0s!important;transition-duration:.001ms!important;transition-delay:0s!important;scroll-behavior:auto!important}
}