/* Collab-Foundry — Apple-grade museum-gallery aesthetic, light. Emerald accent. */
:root{
  --canvas:#ffffff; --parchment:#f5f5f7; --pearl:#fafafc;
  --ink:#1d1d1f; --ink-2:#424245; --muted:#6e6e73; --faint:#86868b;
  --hairline:#d2d2d7; --line:#e8e8ed;
  --accent:#1d9e75; --accent-deep:#147a57; --accent-soft:#e9f6f0;
  --maxw:980px; --wide:1180px;
  --shadow:0 4px 30px rgba(0,0,0,.08);
  --f:"SF Pro Display","SF Pro Text",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--canvas);color:var(--ink);font-family:var(--f);
  -webkit-font-smoothing:antialiased;line-height:1.47;letter-spacing:-.01em;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}

/* ── nav: frosted, recedes ── */
nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(20px);
  background:rgba(255,255,255,.72);border-bottom:1px solid rgba(0,0,0,.06)}
nav .wrap{max-width:var(--wide);display:flex;align-items:center;justify-content:space-between;height:48px}
.brand{display:flex;align-items:center;gap:9px;font-weight:600;font-size:18px;letter-spacing:-.02em}
.mark{width:22px;height:22px;border-radius:6px;flex:none;background:var(--accent)}
.nav-links{display:flex;gap:30px;font-size:13px;color:var(--ink-2);font-weight:400}
.nav-links a:hover{color:var(--accent-deep)}
.nav-links a.on{color:var(--accent-deep)}
.nav-cta{font-size:13px;padding:6px 15px;border-radius:9999px;background:var(--accent);color:#fff;font-weight:400}
.nav-cta:hover{background:var(--accent-deep)}
@media(max-width:760px){.nav-links{display:none}}

/* ── tiles (the gallery) ── */
section{padding:100px 0;border-bottom:1px solid var(--line)}
.parchment{background:var(--parchment)}
.tile-center{text-align:center}
.eyebrow{display:inline-block;font-size:15px;font-weight:600;color:var(--accent-deep);
  letter-spacing:-.01em;margin-bottom:14px}
h1{font-size:clamp(40px,7vw,80px);font-weight:600;line-height:1.05;letter-spacing:-.025em;max-width:18ch}
.tile-center h1{margin:0 auto}
.grad{color:var(--ink)}
.lede{margin-top:22px;font-size:clamp(19px,2.4vw,28px);font-weight:400;line-height:1.28;
  color:var(--ink-2);letter-spacing:-.012em;max-width:34ch}
.tile-center .lede{margin-left:auto;margin-right:auto}
h2{font-size:clamp(32px,5vw,56px);font-weight:600;line-height:1.07;letter-spacing:-.022em}
.sub{margin-top:16px;font-size:clamp(17px,2vw,21px);font-weight:400;color:var(--muted);
  line-height:1.4;letter-spacing:-.01em;max-width:46ch}
.tile-center .sub{margin-left:auto;margin-right:auto}
.kicker{display:inline-block;font-size:15px;font-weight:600;color:var(--accent-deep);margin-bottom:10px;letter-spacing:-.01em}
.sec-head{max-width:46ch;margin:0 auto 56px;text-align:center}

/* hero */
header{padding:120px 0 96px;text-align:center;border-bottom:1px solid var(--line)}

/* ── buttons + chevron links ── */
.cta-row{margin-top:32px;display:flex;gap:26px;flex-wrap:wrap;align-items:center}
.tile-center .cta-row{justify-content:center}
.btn{font-size:17px;font-weight:400;letter-spacing:-.01em;transition:.2s}
.btn-primary{background:var(--accent);color:#fff;border-radius:9999px;padding:12px 24px}
.btn-primary:hover{background:var(--accent-deep)}
.btn-ghost{color:var(--accent-deep)}
.btn-ghost::after{content:" \203A";font-weight:600}
.btn-ghost:hover{text-decoration:none;opacity:.7}
.chev{display:inline-block;color:var(--accent-deep);font-size:17px;font-weight:400;margin-top:22px}
.chev::after{content:" \203A";display:inline-block;transition:transform .2s;font-weight:600}
.chev:hover::after{transform:translateX(4px)}

/* hero principle strip */
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:64px;border-top:1px solid var(--line)}
.strip div{padding:26px 16px;border-right:1px solid var(--line)}
.strip div:last-child{border-right:none}
.strip b{display:block;font-size:17px;font-weight:600;margin-bottom:4px}
.strip span{font-size:14px;color:var(--muted)}
@media(max-width:760px){.strip{grid-template-columns:repeat(2,1fr)}.strip div:nth-child(2){border-right:none}}

/* ── flagship product tiles ── */
.tile-title{font-size:clamp(38px,6vw,64px);font-weight:600;letter-spacing:-.025em;line-height:1.05}
.tile-lead{margin-top:14px;font-size:clamp(20px,2.6vw,30px);font-weight:600;letter-spacing:-.015em;color:var(--ink)}
.tile-sub{margin:16px auto 0;font-size:18px;color:var(--muted);max-width:50ch;line-height:1.45}

/* ── 2-up grid ── */
.two-up{max-width:var(--wide);margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:0 14px}
@media(max-width:820px){.two-up{grid-template-columns:1fr}}
.panel{background:var(--parchment);border-radius:18px;padding:56px 44px;text-align:center}
.panel.pearl{background:var(--canvas);border:1px solid var(--line)}
.panel h3{font-size:32px;font-weight:600;letter-spacing:-.02em}
.panel p{margin-top:12px;font-size:17px;color:var(--muted);max-width:38ch;margin-left:auto;margin-right:auto;line-height:1.45}

/* ── systems / generic cards (subpages reuse) ── */
.grid{max-width:var(--wide);margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:0 14px}
@media(max-width:880px){.grid{grid-template-columns:1fr}}
.card{background:var(--canvas);border:1px solid var(--line);border-radius:18px;padding:34px 30px;display:block;transition:.25s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card .ico{font-size:30px;margin-bottom:14px}
.card h3{font-size:24px;font-weight:600;letter-spacing:-.02em}
.card .role{font-size:13px;color:var(--accent-deep);font-weight:600;margin:6px 0 14px}
.card p{color:var(--ink-2);font-size:16px;line-height:1.45}
.card ul{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:8px}
.card li{font-size:14.5px;color:var(--muted);padding-left:18px;position:relative}
.card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.card .more{display:inline-block;margin-top:18px;font-size:15px;color:var(--accent-deep);font-weight:400}
.card .more::after{content:" \203A";font-weight:600}
.accent{color:var(--accent-deep);font-weight:600}

/* forge band */
.forge{max-width:var(--wide);margin:0 auto;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;
  align-items:center;padding:0 14px;text-align:left}
@media(max-width:880px){.forge{grid-template-columns:1fr}}
.nodes{display:flex;flex-direction:column;gap:8px}
.node{display:flex;gap:14px;background:var(--canvas);border:1px solid var(--line);border-radius:12px;padding:14px 18px}
.node .nm{font-weight:600;font-size:14px;width:84px;flex:none;color:var(--accent-deep)}
.node .ds{font-size:14px;color:var(--muted)}
.stat-row{display:flex;gap:40px;margin-top:28px;flex-wrap:wrap}
.stat b{font-size:40px;font-weight:600;letter-spacing:-.02em;display:block}
.stat span{font-size:14px;color:var(--muted)}

/* upcoming / roadmap */
.upcoming-grid{max-width:var(--wide);margin:0 auto;display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px;padding:0 14px;text-align:left}
.up-card{background:var(--parchment);border-radius:16px;padding:22px 24px;transition:.2s}
.up-card:hover{transform:translateY(-3px)}
.up-card .ut{font-weight:600;font-size:17px;margin-bottom:8px;line-height:1.3;letter-spacing:-.01em}
.up-sector{display:inline-block;font-size:11px;letter-spacing:.02em;text-transform:uppercase;color:var(--accent-deep);
  margin-right:9px;vertical-align:middle;font-weight:600}
.up-card .ud{color:var(--muted);font-size:14px;line-height:1.5}

/* about */
.about{max-width:900px;margin:0 auto;text-align:center}
.about h2{margin-bottom:14px}
.about .p{color:var(--ink-2);font-size:21px;line-height:1.5;max-width:60ch;margin:0 auto 16px;font-weight:400;letter-spacing:-.012em}
.about .p strong{color:var(--ink);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;justify-content:center}
.chip{font-size:14px;color:var(--ink-2);border:1px solid var(--hairline);border-radius:9999px;padding:7px 15px}

/* ── subpage internals (aegis/neuronai/cipher/email) ── */
.sys-head{padding:96px 0 30px;text-align:center;border-bottom:1px solid var(--line)}
.sys-head .lede{margin-left:auto;margin-right:auto}
.sys-ico{font-size:46px;margin-bottom:18px}
.backlink{display:inline-block;font-size:15px;color:var(--muted);margin-bottom:28px}
.backlink:hover{color:var(--accent-deep)}
.feature-grid{max-width:var(--wide);margin:0 auto;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding:0 14px}
@media(max-width:760px){.feature-grid{grid-template-columns:1fr}}
.feature{background:var(--parchment);border-radius:18px;padding:30px 32px}
.feature h3{font-size:21px;font-weight:600;letter-spacing:-.015em;margin-bottom:8px}
.feature p{color:var(--ink-2);font-size:16px;line-height:1.5}
.steps{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.step{background:var(--parchment);border-radius:16px;padding:24px 28px;display:flex;gap:20px;align-items:flex-start;text-align:left}
.step .n{width:34px;height:34px;border-radius:9999px;flex:none;display:grid;place-items:center;font-weight:600;
  background:var(--accent);color:#fff;font-size:15px}
.step b{display:block;margin-bottom:4px;font-size:18px;font-weight:600}
.step span{color:var(--muted);font-size:16px;line-height:1.45}
.note{max-width:820px;margin:34px auto 0;text-align:center;color:var(--ink-2);font-size:19px;line-height:1.5;letter-spacing:-.01em}
.note b{color:var(--ink);font-weight:600}

/* footer */
footer{background:var(--parchment);border:none;padding:44px 0 50px}
.foot{max-width:var(--wide);margin:0 auto;padding:0 22px;display:flex;justify-content:space-between;
  gap:24px;flex-wrap:wrap;align-items:center}
.foot a{color:var(--muted);font-size:14px} .foot a:hover{color:var(--accent-deep)}
.foot-links{display:flex;gap:26px}
.fineprint{max-width:var(--wide);margin:18px auto 0;padding:18px 22px 0;border-top:1px solid var(--hairline);
  color:var(--faint);font-size:12px}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

.contact-mail{display:inline-block;margin-top:26px;font-size:clamp(24px,3.4vw,40px);font-weight:600;letter-spacing:-.02em;color:var(--accent-deep)}
.contact-mail:hover{opacity:.75}