@import url('https://fonts.googleapis.com/css2?family=Hanken+Grotesk:wght@300;400;500;600;700;800&family=Roboto+Mono:wght@400;500&display=swap');

/* ---- shared design layer: carries the homepage language onto every sub-page ---- */
/* Light-only site: without these, iOS dark mode paints overscroll/letterbox black
   around the page (the "dark frame" seen on phones). */
html{background:#F4F3ED}
:root{color-scheme:light only;}
/* Article covers are generic stock — keep them restrained: a contained banner, not a giant block */
.art-cover{max-width:780px!important}
.art-cover img{aspect-ratio:16/9;object-fit:cover;object-position:center}
/* Share bar on article pages */
.art-share{max-width:780px;margin:30px auto 0;padding:22px 32px 4px;display:flex;align-items:center;gap:12px;border-top:1px solid var(--line)}
@media(max-width:640px){.art-share{padding:20px 20px 4px}}
.art-share-lbl{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--body);margin-right:2px}
.art-share .sh{width:40px;height:40px;flex:none;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--deep);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0;position:relative;transition:transform .18s,background .18s,color .18s,border-color .18s}
.art-share .sh:hover{background:var(--deep);color:#fff;border-color:var(--deep);transform:translateY(-2px)}
.art-share .sh-tip{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;font-size:11px;font-weight:600;letter-spacing:0;text-transform:none;padding:4px 8px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s}
.art-share .sh-copy:hover .sh-tip,.art-share .sh-copy.done .sh-tip{opacity:1}
/* Suggested insights before the footer */
.art-rel{background:#fff;border-top:1px solid var(--line);padding:56px 0 60px}
.art-rel-in{max-width:1080px;margin:0 auto;padding:0 32px}
@media(max-width:640px){.art-rel-in{padding:0 20px}}
.art-rel-h{font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--deep);margin-bottom:20px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:820px){.rel-grid{grid-template-columns:1fr}}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .16s,box-shadow .16s,transform .16s}
.rel-card:hover{border-color:var(--teal);box-shadow:0 18px 40px -30px rgba(33,93,127,.55);transform:translateY(-2px)}
.rel-cov{aspect-ratio:16/10;background:#dfeaf0;overflow:hidden}
.rel-cov img{width:100%;height:100%;object-fit:cover;display:block}
.rel-in{padding:15px 18px 20px}
.art-rel .imeta{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.art-rel .tag{font-size:10px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 9px;border-radius:5px}
.art-rel .idate{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--body)}
.rel-in h3{font-size:15.5px;line-height:1.32;color:var(--ink);letter-spacing:-.01em;transition:color .16s}
.rel-card:hover h3{color:var(--teal-dark)}
.art-rel .c-Growth{background:#e8f5e9;color:#2e7d32}.art-rel .fb-Growth{background:linear-gradient(135deg,#1b5e20,#43a047)}
.art-rel .c-Strategy{background:#e3f2fd;color:#1565c0}.art-rel .fb-Strategy{background:linear-gradient(135deg,#004b6c,#06a5ce)}
.art-rel .c-Organization{background:#fff3e0;color:#e65100}.art-rel .fb-Organization{background:linear-gradient(135deg,#e65100,#fb8c00)}
.art-rel .c-Capability{background:#f3e5f5;color:#7b1fa2}.art-rel .fb-Capability{background:linear-gradient(135deg,#6a1b9a,#ab47bc)}
.art-rel .c-Alphabet{background:#ffebee;color:#c62828}.art-rel .fb-Alphabet{background:linear-gradient(135deg,#b71c1c,#e53935)}
:root{
  --paper:#F4F3ED; --bg:#F4F3ED!important; --line:#DEDCD1!important;
  --ink:#15242C!important; --body:#5a6167!important;
  --teal:#06a5ce; --teal-dark:#006590; --deep:#004b6c; --gold:#FFC000; --pale:#9ad8f0;
  --mono:'Roboto Mono',ui-monospace,monospace;
  --chev3:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2022%22%20fill%3D%22none%22%20stroke%3D%22%23000%22%20stroke-width%3D%222.3%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M9%206l3-2%203%202%22/%3E%3Cpath%20d%3D%22M7%2012l5-3%205%203%22/%3E%3Cpath%20d%3D%22M5%2018l7-4%207%204%22/%3E%3C/svg%3E");
}
html{scroll-behavior:auto!important}
body{font-family:'Hanken Grotesk',system-ui,sans-serif!important}
h1,h2,h3,h4{letter-spacing:-.02em}
::selection{background:var(--teal);color:#fff}

/* nav → paper + outline pill (matches home) */
header.nav{background:rgba(244,243,237,.86)!important;backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-cta{background:transparent!important;color:var(--ink)!important;border:1px solid var(--ink)!important;border-radius:40px!important;padding:9px 18px!important;font-weight:500!important;
  transition:transform .28s cubic-bezier(.2,.7,.2,1),background .2s,color .2s,border-color .2s!important}
.nav-cta:hover{background:var(--deep)!important;color:#fff!important;border-color:var(--deep)!important}

/* eyebrow → the pyramid mark + label */
.eyebrow{display:inline-flex!important;align-items:center;gap:11px;vertical-align:middle;font-family:var(--mono)!important;font-weight:500!important;letter-spacing:.14em!important}
.eyebrow::after{content:"";width:clamp(38px,7vw,84px);height:1px;flex:none;background:currentColor;opacity:.4;margin-left:4px}

/* magnetic controls */
.nav-cta,.btn,.btn-line{transition:transform .28s cubic-bezier(.2,.7,.2,1),background .2s,color .2s,border-color .2s}

/* ---- shared loader ---- */
body.loading{overflow:hidden;height:100vh}
#loader{position:fixed;inset:0;z-index:200;background:#004b6c;transition:opacity .55s ease,visibility .55s}
#loader.gone{opacity:0;visibility:hidden;pointer-events:none}
#loader .ld-top{position:absolute;top:0;left:0;height:3px;width:0;background:var(--teal);transition:width .2s linear}
#loader .ld-num{position:absolute;top:20px;right:26px;font-family:var(--mono);font-size:12px;letter-spacing:.1em;color:#5f9db3}
#loader .ld-center{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
#loader .ld-mark{width:72px;aspect-ratio:344/350;-webkit-mask:url(acumen-mark.png) center/contain no-repeat;mask:url(acumen-mark.png) center/contain no-repeat;background:linear-gradient(160deg,#189ec2 28%,#dff0fb 47%,#dff0fb 53%,#189ec2 72%);background-size:280% 280%;animation:ldsweep 1.7s linear infinite}
@keyframes ldsweep{0%{background-position:100% 100%}100%{background-position:0% 0%}}
@media(prefers-reduced-motion:reduce){#loader .ld-mark{animation:none;background:#8fc3d6}}

/* ---- mobile burger menu (injected by acumen.js) ---- */
.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:none;border:none;cursor:pointer;padding:11px;margin-left:auto;position:relative;z-index:4}
.nav-burger span{display:block;height:2px;width:22px;background:var(--ink);border-radius:2px;transition:.32s cubic-bezier(.2,.7,.2,1)}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:880px){
  header.nav .nav-links{display:none!important}
  .nav-burger{display:flex}
}
body.menu-open header.nav{z-index:210;background:var(--paper)!important}
.mobile-menu{position:fixed;inset:0;z-index:150;background:var(--paper);display:flex;flex-direction:column;justify-content:center;padding:90px 40px 40px;gap:2px;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .35s cubic-bezier(.2,.7,.2,1),transform .35s cubic-bezier(.2,.7,.2,1),visibility .35s}
.mobile-menu.open{opacity:1;visibility:visible;transform:none}
.mobile-menu a,.mobile-menu button{font-family:'Hanken Grotesk',system-ui,sans-serif;font-size:clamp(30px,8.5vw,50px);font-weight:400;letter-spacing:-.025em;color:var(--ink);text-align:left;background:none;border:none;padding:9px 0;cursor:pointer;display:flex;align-items:center;gap:16px;transition:color .2s;width:100%}
.mobile-menu a:hover,.mobile-menu button:hover,.mobile-menu a:active,.mobile-menu button:active{color:var(--teal)}
.mobile-menu a::before,.mobile-menu button::before{content:"";width:0;height:2px;flex:none;background:var(--teal);opacity:.6;transition:width .28s cubic-bezier(.2,.7,.2,1),opacity .2s}
.mobile-menu a:hover::before,.mobile-menu button:hover::before{width:30px;opacity:1}

/* unified footer (matches homepage; injected on sub-pages by acumen.js) */
footer.ft{background:#002e42;color:#84b9cb;padding:60px 0 34px;border:none}
footer.ft .wrap{max-width:1200px;margin:0 auto;padding:0 32px}
footer.ft .ft-top{display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.08)}
footer.ft .ft-logo{height:28px;filter:brightness(0) invert(1);opacity:.9}
footer.ft .ft-links{display:flex;gap:56px;flex-wrap:wrap;margin-left:0}
footer.ft .ft-col h5{color:#fff;font-family:ui-monospace,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
footer.ft .ft-col a{display:block;color:#84b9cb;font-size:14px;font-weight:400;margin-bottom:9px;transition:.2s}
footer.ft .ft-col a:hover{color:#FFC000}
footer.ft .ft-bot{padding-top:24px;font-family:ui-monospace,monospace;font-size:11px;letter-spacing:.04em;color:#5f8291;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
@media(max-width:640px){footer.ft .wrap{padding:0 20px}}

/* Working-preview badge: floating pill, out of flow so it never affects nav height */



/* Ask Acumen chat — shared across every page (injected by acumen.js) */
.chat-fab{position:fixed;right:20px;bottom:44px;z-index:96;display:flex;align-items:center;gap:9px;background:var(--deep);color:#fff;border:none;border-radius:999px;padding:14px 22px;font-family:inherit;font-weight:500;font-size:15px;cursor:pointer;box-shadow:0 14px 40px -10px rgba(12,39,51,.55);transition:transform .28s cubic-bezier(.2,.7,.2,1),background .2s}
.chat-fab:hover{transform:translateY(-2px);background:var(--teal-dark)}
.chat-panel{position:fixed;right:20px;bottom:44px;z-index:97;width:min(400px,calc(100vw - 32px));height:min(600px,calc(100svh - 64px));border-radius:18px;background:#002e42;border:1px solid #006590;box-shadow:0 30px 80px -18px rgba(12,39,51,.85);display:none;flex-direction:column;overflow:hidden}
.chat-panel.open{display:flex}
.chat-head{display:flex;align-items:center;gap:12px;padding:16px 18px;background:#002e42;border-bottom:1px solid #006590}
.chat-head .cdot{width:9px;height:9px;border-radius:50%;background:#3ddc84;flex-shrink:0}
.chat-head div{flex:1}
.chat-head b{display:block;font-size:15.5px;font-weight:600;color:#fff}
.chat-head span{font-family:var(--mono);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:#84b9cb}
.chat-x{background:none;border:none;color:#84b9cb;font-size:22px;cursor:pointer;padding:4px 8px;line-height:1}
.chat-x:hover{color:#fff}
.chat-log{flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:12px}
.chat-log .m{max-width:88%;padding:12px 15px;border-radius:14px;font-size:14px;line-height:1.55}
.chat-log .m.bot{background:#004b6c;color:#dcf1f7;align-self:flex-start;border-bottom-left-radius:4px}
.chat-log .m.me{background:var(--gold);color:#1a1400;align-self:flex-end;border-bottom-right-radius:4px;font-weight:500}
.chat-sugg{display:flex;flex-wrap:wrap;gap:7px;padding:0 18px 12px}
.chat-sugg button{background:#004b6c;border:1px solid #006590;color:#96cfe4;font-size:12px;padding:8px 12px;border-radius:16px;cursor:pointer;text-align:left;font-family:inherit}
.chat-sugg button:hover{border-color:var(--gold);color:#fff}
.chat-compose{display:flex;gap:9px;padding:13px;border-top:1px solid #006590;background:#002e42}
.chat-compose textarea{flex:1;resize:none;height:46px;background:#004b6c;border:1px solid #006590;border-radius:12px;color:#fff;font-family:inherit;font-size:16px;line-height:22px;padding:11px 14px;outline:none;overflow-y:hidden}
.chat-compose textarea:focus{border-color:var(--gold)}
.chat-send{width:46px;height:46px;border-radius:12px;border:none;background:var(--gold);color:#1a1400;font-size:18px;cursor:pointer;flex-shrink:0}

/* Project Alphabet sub-brand link in the nav (present on all pages except PA itself) */
header.nav .nav-pa{display:inline-flex;align-items:center;margin-left:8px}
header.nav .nav-pa img{height:36px;display:block;transition:opacity .2s}
header.nav .nav-pa:hover img{opacity:.65}
@media(max-width:600px){header.nav .nav-pa{display:none}}