/* The Collective — shared design system */
:root{
  --paper:#F4F6F5;
  --ink:#0F1713;
  --pine:#0C5B45;
  --pine-deep:#08432F;
  --verify:#1FC08A;
  --amber:#E7B75F;
  --slate:#5C6662;
  --line:#D9DFDC;
  --card:#FFFFFF;
  --dark-card:#152019;
  --dark-line:#26332C;
  --maxw:1180px;
  --disp:'Bricolage Grotesque',sans-serif;
  --body:'IBM Plex Sans',sans-serif;
  --mono:'IBM Plex Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  background:var(--paper);
  color:var(--ink);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
:focus-visible{outline:2px solid var(--pine);outline-offset:3px}

/* ---------- evidence-chip vernacular ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:11.5px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;
  color:var(--pine);
}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--verify);flex:none}
.chip.dark{color:var(--verify)}

/* ---------- nav ---------- */
nav{
  position:sticky;top:0;z-index:50;
  background:rgba(244,246,245,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--disp);font-weight:800;font-size:19px;letter-spacing:-.01em}
.logo span{color:var(--pine)}
.nav-links{display:flex;gap:28px;align-items:center}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--slate);transition:color .15s}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--ink)}
.nav-links a.active{color:var(--ink);border-bottom:2px solid var(--pine);padding-bottom:2px}
.nav-links a.btn{color:#fff}
.nav-links a.btn:hover,.nav-links a.btn:focus-visible{color:#fff;background:var(--pine-deep)}
.nav-links a.btn.ghost{color:var(--pine)}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font-family:var(--body);font-weight:600;font-size:15px;
  background:var(--pine);color:#fff;padding:12px 22px;border-radius:6px;
  transition:background .15s;border:1.5px solid var(--pine);
}
.btn:hover,.btn:focus-visible{background:var(--pine-deep);border-color:var(--pine-deep)}
.btn.ghost{background:transparent;color:var(--pine)}
.btn.ghost:hover{background:rgba(12,91,69,.07)}
.btn.small{padding:9px 18px;font-size:14px}
.btn.onDark.ghost{color:#E8EEEB;border-color:#3A4A41}
.btn.onDark.ghost:hover{background:rgba(255,255,255,.06)}

/* ---------- typography & sections ---------- */
section{padding:96px 0}
h1{
  font-family:var(--disp);font-weight:800;
  font-size:clamp(40px,5.2vw,64px);
  line-height:1.02;letter-spacing:-.025em;
  margin:22px 0 24px;
}
h1 em{font-style:normal;color:var(--pine)}
h2{
  font-family:var(--disp);font-weight:800;
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.06;letter-spacing:-.02em;
  max-width:24ch;
}
h2 em{font-style:normal;color:var(--pine)}
.lede{font-size:19px;color:var(--slate);max-width:58ch;margin-bottom:34px}
.lede strong{color:var(--ink);font-weight:600}
.section-lede{margin-top:18px;font-size:18px;color:var(--slate);max-width:64ch}
.eyebrow-row{margin-bottom:16px}
.prose{max-width:70ch;color:#333c38;font-size:16.5px}
.prose p{margin-bottom:18px}
.prose strong{color:var(--ink)}

/* page hero (interior pages) */
.page-hero{padding:76px 0 64px;border-bottom:1px solid var(--line)}
.page-hero h1{font-size:clamp(34px,4.4vw,54px);max-width:20ch}
.page-hero .lede{margin-bottom:0}

/* ---------- cards & grids ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:56px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:56px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:30px 28px;
}
.card h3{font-family:var(--disp);font-weight:700;font-size:22px;letter-spacing:-.01em;margin:12px 0 10px}
.card p{color:var(--slate);font-size:15.5px}
.card .tag{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--pine);
}

/* case cards */
.case{
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:28px;display:flex;flex-direction:column;gap:14px;
}
.case .domain{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--slate);
}
.case h3{font-family:var(--disp);font-weight:700;font-size:21px;letter-spacing:-.01em}
.case p{color:var(--slate);font-size:15px;flex:1}
.case .outcome{
  border-top:1px solid var(--line);padding-top:16px;
  font-size:14.5px;color:var(--ink);font-weight:500;
}
.case .outcome span{
  display:block;font-family:var(--mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--pine);margin-bottom:4px;
}

/* quotes */
.quote{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--pine);
  border-radius:8px;padding:26px 28px;
}
.quote p{font-size:17px;color:var(--ink);line-height:1.55;margin-bottom:14px}
.quote cite{
  font-style:normal;font-family:var(--mono);font-size:12px;
  letter-spacing:.1em;text-transform:uppercase;color:var(--slate);
}

/* stats */
.stat-row{
  margin-top:56px;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
  border-top:1px solid var(--line);padding-top:44px;
}
.stat-row.four{grid-template-columns:repeat(4,1fr)}
.pstat .n{
  font-family:var(--disp);font-weight:800;font-size:44px;letter-spacing:-.02em;
  color:var(--pine);line-height:1;
}
.pstat .l{margin-top:8px;font-size:14.5px;color:var(--slate)}
.pstat.onDark .n{color:var(--verify)}
.pstat.onDark .l{color:#9DABA4}

/* ---------- dark sections ---------- */
.dark{background:var(--ink);color:#E8EEEB}
.dark h2{color:#fff}
.dark .section-lede{color:#9DABA4}
.dark .prose{color:#C6D1CC}
.dark .prose strong{color:#fff}
.dark .card{background:var(--dark-card);border-color:var(--dark-line)}
.dark .card h3{color:#fff}
.dark .card p{color:#9DABA4}
.dark .stat-row{border-color:var(--dark-line)}

/* ---------- tables ---------- */
.tbl{width:100%;border-collapse:collapse;margin-top:36px;font-size:15px}
.tbl th{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate);text-align:left;padding:0 18px 12px 0;border-bottom:1px solid var(--line);
  font-weight:500;
}
.tbl td{padding:15px 18px 15px 0;border-bottom:1px solid var(--line);vertical-align:top;color:#333c38}
.tbl td:first-child{font-weight:600;color:var(--ink)}
.tbl .st{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--verify);font-weight:600;white-space:nowrap;
}
.dark .tbl th{color:#61716A;border-color:var(--dark-line)}
.dark .tbl td{color:#C6D1CC;border-color:var(--dark-line)}
.dark .tbl td:first-child{color:#fff}

/* ---------- gates ---------- */
.gates{margin-top:64px;display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.gates::before{content:"";position:absolute;top:13px;left:6%;right:6%;height:1px;background:var(--dark-line)}
.gate{position:relative;padding:0 18px 0 0}
.gate-dot{
  width:27px;height:27px;border-radius:50%;
  background:var(--ink);border:1.5px solid var(--verify);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:12px;color:var(--verify);font-weight:600;
  position:relative;z-index:1;margin-bottom:20px;
}
.gate h4{font-family:var(--disp);font-weight:700;font-size:19px;letter-spacing:-.01em;margin-bottom:8px;color:#fff}
.gate p{font-size:14px;color:#9DABA4;line-height:1.55}
.gate .ev{
  margin-top:14px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--verify);
}
.gate .ev::before{content:"✓ "}

/* light-mode gates (system page) */
.gates.light .gate-dot{background:var(--paper);border-color:var(--pine);color:var(--pine)}
.gates.light::before{background:var(--line)}
.gates.light .gate h4{color:var(--ink)}
.gates.light .gate p{color:var(--slate)}
.gates.light .gate .ev{color:var(--pine)}

/* ---------- ledger (signature element) ---------- */
.ledger{
  background:var(--ink);border-radius:12px;padding:22px 22px 16px;
  box-shadow:0 24px 60px -24px rgba(15,23,19,.45);
  font-family:var(--mono);
}
.ledger-head{
  display:flex;justify-content:space-between;align-items:center;
  padding-bottom:14px;border-bottom:1px solid var(--dark-line);
  color:#8FA098;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
}
.ledger-head .live{display:flex;align-items:center;gap:7px;color:var(--verify)}
.ledger-head .live::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--verify);
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.ledger-rows{padding-top:6px}
.lrow{
  display:grid;grid-template-columns:56px 1fr auto;gap:14px;
  padding:11px 0;border-bottom:1px solid var(--dark-line);
  font-size:13px;align-items:baseline;
  opacity:0;transform:translateY(6px);
  animation:rowin .5s ease forwards;
}
.lrow:last-child{border-bottom:none}
.lrow:nth-child(1){animation-delay:.15s}
.lrow:nth-child(2){animation-delay:.45s}
.lrow:nth-child(3){animation-delay:.75s}
.lrow:nth-child(4){animation-delay:1.05s}
.lrow:nth-child(5){animation-delay:1.35s}
.lrow:nth-child(6){animation-delay:1.65s}
@keyframes rowin{to{opacity:1;transform:none}}
.lrow .t{color:#61716A}
.lrow .m{color:#E8EEEB}
.lrow .s{color:var(--verify);font-weight:600;letter-spacing:.08em;font-size:11.5px}
.lrow .s.gate-flag{color:var(--amber)}

/* ---------- pricing tiers ---------- */
.tier{
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:32px 28px;display:flex;flex-direction:column;
}
.tier.feature{border:1.5px solid var(--pine);position:relative}
.tier.feature .flag{
  position:absolute;top:-11px;left:26px;background:var(--pine);color:#fff;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  padding:4px 10px;border-radius:4px;
}
.tier .tname{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--pine);margin-bottom:14px;
}
.tier h3{font-family:var(--disp);font-weight:700;font-size:23px;letter-spacing:-.01em;margin-bottom:6px}
.tier .price{font-family:var(--disp);font-weight:800;font-size:34px;letter-spacing:-.02em;margin:14px 0 4px}
.tier .per{font-size:13.5px;color:var(--slate);margin-bottom:20px}
.tier ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:26px;flex:1}
.tier ul li{font-size:14.5px;color:var(--slate);display:flex;gap:10px;align-items:baseline}
.tier ul li::before{content:"✓";color:var(--verify);font-weight:600;flex:none}

/* ---------- lists ---------- */
.arrow-list{list-style:none;display:flex;flex-direction:column;margin-top:10px}
.arrow-list li{
  padding:20px 0;border-bottom:1px solid var(--line);
  display:flex;gap:16px;align-items:baseline;font-size:16.5px;
}
.arrow-list li::before{content:"→";font-family:var(--mono);color:var(--pine);flex:none;font-size:15px}
.cred{list-style:none;display:flex;flex-direction:column}
.cred li{
  display:flex;justify-content:space-between;gap:18px;
  padding:12px 0;border-top:1px solid var(--line);font-size:14.5px;
}
.cred li b{font-weight:600}
.cred li span{color:var(--slate);text-align:right}

/* ---------- CTA / footer ---------- */
.cta-final{background:var(--ink);color:#fff;text-align:center;padding:110px 0}
.cta-final h2{margin:18px auto 20px;color:#fff}
.cta-final p{color:#9DABA4;font-size:18px;max-width:54ch;margin:0 auto 36px}
footer{background:var(--ink);border-top:1px solid var(--dark-line);padding:30px 0;color:#61716A;font-size:13.5px}
.foot-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.foot-inner .logo{color:#E8EEEB;font-size:16px}
.foot-inner a:hover{color:#E8EEEB}
.foot-links{display:flex;gap:20px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .lrow{animation:none;opacity:1;transform:none}
  .ledger-head .live::before{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .grid-3,.stat-row{grid-template-columns:1fr 1fr}
  .stat-row.four{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .gates{grid-template-columns:1fr 1fr;gap:36px 24px}
  .gates::before{display:none}
  .hero-grid{grid-template-columns:1fr !important;gap:48px}
  .fit-grid{grid-template-columns:1fr !important;gap:40px}
}
@media (max-width:640px){
  .nav-links a:not(.btn){display:none}
  .grid-3,.stat-row,.stat-row.four{grid-template-columns:1fr}
  .gates{grid-template-columns:1fr}
  section{padding:72px 0}
  .tbl{display:block;overflow-x:auto}
}

/* ---------- mobile nav ---------- */
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:10px;margin-left:12px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:640px){
  .nav-toggle{display:block}
  .nav-links{display:none}
  .nav-links.open{display:flex;position:absolute;top:64px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 18px 40px -20px rgba(15,23,19,.25);flex-direction:column;align-items:flex-start;padding:20px 28px;gap:18px;z-index:49}
  .nav-links.open a:not(.btn){display:block;font-size:16px}
}