/* ==================================================================
   CHP — Institutional Clinical (B layout + D typography)
   Space Grotesk display · JetBrains Mono labels · Inter body
   Off-white + near-black + deep navy (single accent)
================================================================== */

:root{
  /* palette — B direction (light, near-monochrome, one accent) */
  --bg:         #FAFAF8;   /* warm off-white */
  --surface:    #F2F1ED;   /* subtle panel */
  --ink:        #0A1220;   /* near-black, slightly cool */
  --ink-2:      #2A3548;   /* secondary text */
  --ink-3:      #4A5568;   /* muted / captions */
  --ink-4:      #8B94A3;   /* very muted */
  --line:       rgba(10,18,32,.14);
  --line-2:     rgba(10,18,32,.08);
  --accent:     #0F3B66;   /* deep clinical navy — the only accent */

  /* type — D direction */
  --display:    'Space Grotesk', -apple-system, sans-serif;
  --mono:       'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  --sans:       'Inter', -apple-system, 'SF Pro Text', 'Segoe UI', sans-serif;

  /* space */
  --maxw:       1200px;
  --padx:       40px;
  --section:    clamp(96px, 12vw, 168px);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.58;
  font-weight:400;
  font-feature-settings:"ss01","cv11";
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--accent);color:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* ---------- TYPE ---------- */
h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:500;
  color:var(--ink);
  line-height:1.02;
  letter-spacing:-.03em;
  margin:0 0 .35em;
}
h2{
  font-size:clamp(2rem, 4.4vw, 3rem);
  line-height:1.04;
  margin-bottom:.5em;
}
h2 em{font-style:normal;color:var(--accent);font-weight:500}
h3{
  font-family:var(--sans);
  font-weight:500;
  font-size:1rem;
  letter-spacing:-.005em;
  margin:0 0 .35em;
  color:var(--ink);
}
p{margin:0 0 1.1em;color:var(--ink-2)}

.display{
  font-family:var(--display);
  font-weight:500;
  font-size:clamp(2.75rem, 6.5vw, 5rem);
  line-height:1;
  letter-spacing:-.035em;
  margin:0 0 .1em;
  color:var(--ink);
  max-width:1100px;
}
.display em{
  font-style:normal;
  color:var(--accent);
  font-weight:500;
}

.kicker{
  font-family:var(--mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 28px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  display:inline-block;
}

.lead{
  font-family:var(--sans);
  font-size:18px;
  line-height:1.55;
  color:var(--ink-2);
  max-width:600px;
  margin:0 0 2.5em;
  font-weight:400;
}

/* ---------- LAYOUT ---------- */
.wrap{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--padx);
}
.section{padding:var(--section) 0}
.section--alt{background:var(--surface)}

/* Asymmetric grid — sidebar label + content */
.grid-2{
  display:grid;
  grid-template-columns:3fr 9fr;
  gap:64px;
  align-items:start;
}
.grid-2__aside{position:sticky; top:100px}
.grid-2__aside .kicker{margin:0}

@media (max-width:900px){
  .grid-2{grid-template-columns:1fr;gap:32px}
  .grid-2__aside{position:static}
}

/* ---------- NAV ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(250,250,248,.85);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line-2);
}
.nav__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:74px;gap:24px;min-width:0;
}
.brand{display:flex;align-items:center;gap:14px;color:var(--ink);min-width:0;flex-shrink:1}
.brand__mark{flex-shrink:0}
.brand__text{display:flex;flex-direction:column;line-height:1.1;min-width:0}
.brand__name{
  font-family:var(--sans);font-weight:500;font-size:14px;
  letter-spacing:-.005em;color:var(--ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand__sub{
  font-family:var(--mono);font-weight:400;font-size:10px;
  letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin-top:2px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.nav__links{display:flex;align-items:center;gap:36px;flex-shrink:0}
.nav__links a{
  font-family:var(--sans);font-size:13px;font-weight:450;
  color:var(--ink-2);transition:color .18s ease;
  letter-spacing:.005em;
}
.nav__links a:hover{color:var(--accent)}

.nav__burger{
  display:none;background:none;border:0;padding:6px;
  width:32px;height:32px;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;
  flex-shrink:0;
}
.nav__burger span{display:block;height:1.5px;background:var(--ink);border-radius:2px;width:100%}

/* Tablet: switch to mobile nav earlier to keep the wordmark visible */
@media(max-width:900px){
  .nav__links{
    position:fixed;inset:64px 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    padding:16px var(--padx) 32px;
    transform:translateY(-110%);transition:transform .28s ease;
  }
  .nav__links a{padding:14px 0;border-top:1px solid var(--line-2);font-size:15px}
  .nav__burger{display:flex}
  body.nav-open .nav__links{transform:translateY(0)}
}

/* Phone: tighten padding, shrink type, hide subline, shrink mark */
@media(max-width:520px){
  .nav__inner{height:64px;gap:12px}
  .nav{padding:0}
  .wrap.nav__inner{padding:0 20px}
  .brand{gap:10px}
  .brand__mark{width:28px;height:28px}
  .brand__name{font-size:12.5px}
  .brand__sub{display:none}
  .nav__links{inset:64px 0 auto 0;padding:12px 20px 28px}
}

/* Very narrow: show mark only */
@media(max-width:360px){
  .brand__text{display:none}
}

/* ---------- HERO ---------- */
.hero{
  padding:clamp(112px,14vw,180px) 0 clamp(96px,12vw,140px);
  border-bottom:1px solid var(--line-2);
  position:relative;overflow:hidden;
}
.hero__watermark{
  position:absolute;
  top:clamp(60px,8vw,100px);
  right:clamp(-40px,-2vw,0px);
  width:clamp(260px,38vw,480px);
  height:auto;
  color:var(--ink);
  opacity:.05;
  pointer-events:none;
  z-index:0;
}
.hero .wrap{position:relative;z-index:1}
@media(max-width:760px){
  .hero__watermark{top:auto;bottom:-40px;right:-60px;width:280px;opacity:.04}
}
.hero .kicker{margin-bottom:40px}
.hero__foot{
  margin-top:72px;
  display:grid;grid-template-columns:1fr auto;gap:48px;
  align-items:end;
  padding-top:40px;border-top:1px solid var(--line-2);
}
.hero__sub{
  font-family:var(--sans);font-size:17px;
  color:var(--ink-2);max-width:520px;margin:0;line-height:1.55;
}

@media(max-width:700px){
  .hero__foot{grid-template-columns:1fr;gap:28px}
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-size:14px;font-weight:500;
  padding:13px 22px;border-radius:2px;
  background:var(--ink);color:#fff;
  border:1px solid var(--ink);
  cursor:pointer;
  transition:all .18s ease;
  letter-spacing:.005em;
}
.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn--dark{background:var(--ink);color:#fff}
.btn.is-copied{background:var(--accent);border-color:var(--accent)}

/* ---------- DATA READOUT (between hero and difference) ---------- */
.readout{
  padding:clamp(64px,8vw,96px) 0;
  border-bottom:1px solid var(--line-2);
}
.readout__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
}
.readout__cell{
  padding:0 48px 0 0;
  border-right:1px solid var(--line-2);
}
.readout__cell:last-child{border-right:none;padding-right:0}
.readout__cell:not(:first-child){padding-left:48px}
.readout__lbl{
  display:block;
  font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:20px;
}
.readout__val{
  display:block;
  font-family:var(--display);font-weight:500;
  font-size:clamp(2.5rem,5vw,3.75rem);line-height:1;
  letter-spacing:-.035em;color:var(--ink);margin-bottom:20px;
}
.readout__unit{font-size:.5em;color:var(--ink-4);font-weight:400;letter-spacing:0}
.readout__note{
  font-family:var(--sans);font-size:14px;color:var(--ink-3);
  max-width:280px;margin:0;line-height:1.55;
}

@media(max-width:780px){
  .readout__grid{grid-template-columns:1fr;gap:0}
  .readout__cell{
    padding:28px 0!important;border-right:none;
    border-bottom:1px solid var(--line-2);
  }
  .readout__cell:last-child{border-bottom:none}
}

/* ---------- PARTNERS (two delivery models) ---------- */
.partners{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin:48px 0 32px;
}
.partners__col{
  padding:40px 36px;
  background:var(--bg);
  border:1px solid var(--line);
  display:flex;flex-direction:column;
  position:relative;
}
.section--alt .partners__col{background:#fff}
.partners__col--accent{
  background:var(--ink);
  color:#D9DCE1;
  border-color:var(--ink);
}
.partners__tag{
  font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;
  color:var(--accent);margin:0 0 20px;
  padding-bottom:12px;border-bottom:1px solid var(--line);
}
.partners__col--accent .partners__tag{
  color:#7DB8FF;border-bottom-color:rgba(255,255,255,.12);
}
.partners__title{
  font-family:var(--display);font-weight:500;
  font-size:1.6rem;line-height:1.1;letter-spacing:-.02em;
  color:var(--ink);margin:0 0 16px;
}
.partners__col--accent .partners__title{color:#FAFAF8}
.partners__body{
  font-family:var(--sans);font-size:15px;line-height:1.6;
  color:var(--ink-2);margin:0 0 24px;
}
.partners__col--accent .partners__body{color:#B5BBC6}
.partners__list{
  list-style:none;margin:0 0 28px;padding:20px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.partners__col--accent .partners__list{
  border-color:rgba(255,255,255,.12);
}
.partners__list li{
  font-family:var(--sans);font-size:14px;color:var(--ink);
  padding:6px 0 6px 20px;position:relative;
}
.partners__col--accent .partners__list li{color:#D9DCE1}
.partners__list li:before{
  content:"→";position:absolute;left:0;color:var(--accent);
  font-family:var(--mono);font-size:12px;
}
.partners__col--accent .partners__list li:before{color:#7DB8FF}
.partners__for{
  font-family:var(--sans);font-size:13px;color:var(--ink-3);
  margin:auto 0 0;line-height:1.5;
}
.partners__col--accent .partners__for{color:#8B94A3}
.partners__for span{
  font-family:var(--mono);font-size:10px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--ink-4);display:block;margin-bottom:4px;
}
.partners__col--accent .partners__for span{color:#6B7280}

.partners__note{
  font-family:var(--sans);font-size:14px;color:var(--ink-3);
  max-width:640px;margin:24px 0 0;line-height:1.6;font-style:italic;
}

@media(max-width:780px){
  .partners{grid-template-columns:1fr;gap:16px}
  .partners__col{padding:32px 28px}
}

/* ---------- LEDGER (numbered lists: difference + process) ---------- */
.ledger{list-style:none;padding:0;margin:48px 0 0}
.ledger li{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:32px;
  padding:32px 0;
  border-top:1px solid var(--line);
}
.ledger li:last-child{border-bottom:1px solid var(--line)}
.ledger__n{
  font-family:var(--mono);font-weight:500;
  font-size:12px;letter-spacing:.1em;
  color:var(--accent);padding-top:3px;
}
.ledger h3{margin-bottom:8px;font-size:17px;font-weight:500;color:var(--ink)}
.ledger p{margin:0;color:var(--ink-2);max-width:640px;font-size:15px}

@media(max-width:560px){
  .ledger li{grid-template-columns:1fr;gap:10px;padding:24px 0}
}

/* ---------- MATRIX (industry pattern vs CHP) ---------- */
.matrix{
  margin:48px 0 56px;
  border-top:1px solid var(--ink);
}
.matrix__row{
  display:grid;
  grid-template-columns:60px 1.5fr 1fr;
  gap:32px;
  padding:24px 0;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.matrix__head{
  padding:14px 0;
  border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;color:var(--ink-3);
}
.matrix__row > div:first-child{
  font-family:var(--mono);font-size:13px;color:var(--ink-4);
  letter-spacing:.05em;padding-top:3px;
}
.matrix__head > div:first-child{color:var(--ink-3)}
.matrix__title{
  font-family:var(--sans);font-weight:500;font-size:15px;
  color:var(--ink);margin:0 0 6px;letter-spacing:-.005em;
}
.matrix__desc{
  font-family:var(--sans);font-size:14px;color:var(--ink-3);
  margin:0;line-height:1.55;max-width:440px;
}
.matrix__pos{
  font-family:var(--sans);font-size:14px;color:var(--accent);
  line-height:1.55;font-weight:450;padding-left:20px;
  border-left:2px solid var(--accent);
}

@media(max-width:760px){
  .matrix__row{grid-template-columns:40px 1fr;gap:20px}
  .matrix__row > div:last-child{grid-column:2;padding-left:0;border-left:none;border-top:1px solid var(--line-2);padding-top:14px;margin-top:4px}
  .matrix__head > div:last-child{display:none}
}

/* ---------- PLEDGE ---------- */
.pledge{
  background:var(--ink);color:#D9DCE1;
  padding:56px 56px;
  margin-top:16px;
  position:relative;
}
/* Registration corner brackets echoing the mark */
.pledge__corner{
  position:absolute;width:16px;height:16px;
  border-color:rgba(250,250,248,.35);
  border-style:solid;
}
.pledge__corner--tl{top:12px;left:12px;border-width:1.5px 0 0 1.5px}
.pledge__corner--tr{top:12px;right:12px;border-width:1.5px 1.5px 0 0}
.pledge__corner--bl{bottom:12px;left:12px;border-width:0 0 1.5px 1.5px}
.pledge__corner--br{bottom:12px;right:12px;border-width:0 1.5px 1.5px 0}
.pledge__mark{
  position:absolute;top:40px;right:40px;
  width:48px;height:48px;opacity:.9;
}
@media(max-width:640px){
  .pledge__mark{width:36px;height:36px;top:28px;right:28px}
}
.pledge__kicker{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;color:#7DB8FF;
  margin:0 0 24px;
}
.pledge ul{list-style:none;margin:0;padding:0}
.pledge li{
  padding:16px 0;
  border-top:1px solid rgba(255,255,255,.1);
  color:#D9DCE1;font-size:15px;line-height:1.55;
  font-family:var(--sans);
}
.pledge li:first-child{border-top:none;padding-top:0}

@media(max-width:560px){.pledge{padding:40px 28px}}

/* ---------- SERVICES LIST ---------- */
.svc-list{margin:48px 0 48px;padding:0;border-top:1px solid var(--ink)}
.svc-list > div{
  display:grid;grid-template-columns:240px 1fr;gap:40px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.svc-list dt{
  font-family:var(--sans);font-weight:500;font-size:15px;
  color:var(--ink);letter-spacing:-.005em;padding-top:3px;
}
.svc-list dd{
  margin:0;color:var(--ink-3);max-width:580px;font-size:15px;
  font-family:var(--sans);
}

.types{
  padding-top:24px;border-top:1px solid var(--line-2);
}
.types__lbl{
  display:block;
  font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:10px;
}
.types p{font-family:var(--sans);font-size:14px;color:var(--ink-2);line-height:1.7;margin:0}

@media(max-width:700px){
  .svc-list > div{grid-template-columns:1fr;gap:6px}
}

/* ---------- QUOTE / FOUNDER ---------- */
.quote-section{
  padding:clamp(112px,13vw,168px) 0;
  background:var(--bg);
  border-top:1px solid var(--line-2);
  border-bottom:1px solid var(--line-2);
}
.quote-section .kicker{margin-bottom:32px}
.quote-mark{
  display:block;
  width:56px;height:56px;
  color:var(--ink);
  margin-bottom:40px;
}
.quote-section blockquote{
  font-family:var(--display);font-weight:300;
  font-size:clamp(1.5rem,3.2vw,2.25rem);
  line-height:1.25;letter-spacing:-.025em;color:var(--ink);
  margin:0 0 40px;max-width:960px;
  padding-left:28px;border-left:2px solid var(--accent);
  text-wrap:balance;
}
.attribution{
  margin:0;display:flex;flex-direction:column;
  padding-left:30px;
}
.attribution__name{
  font-family:var(--sans);font-weight:500;font-size:15px;
  color:var(--ink);letter-spacing:-.005em;
}
.attribution__role{
  font-family:var(--mono);font-size:11px;color:var(--ink-3);
  letter-spacing:.1em;text-transform:uppercase;margin-top:4px;
}

@media(max-width:560px){
  .quote-section blockquote{padding-left:18px;font-size:1.4rem}
  .attribution{padding-left:20px}
}

/* ---------- CONTACT ---------- */
.email-card{
  display:flex;align-items:center;
  gap:20px;flex-wrap:wrap;
  padding:24px 28px;
  background:var(--bg);
  border:1px solid var(--line);
  margin:32px 0 16px;
}
.email-card__mark{
  width:40px;height:40px;flex-shrink:0;color:var(--ink);
}
.email-card__addr{
  flex:1;min-width:0;
}
.section--alt .email-card{background:#fff}
.email-card__addr{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.05rem,2vw,1.35rem);
  color:var(--ink);letter-spacing:-.02em;
  word-break:break-all;transition:color .18s ease;
}
.email-card__addr:hover{color:var(--accent)}

.email-hint{
  font-family:var(--sans);font-size:13px;color:var(--ink-3);
  line-height:1.55;max-width:560px;margin:0 0 56px;
}

.meta-list{margin:0;padding:0;border-top:1px solid var(--ink)}
.meta-list > div{
  display:grid;grid-template-columns:200px 1fr;gap:32px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.meta-list dt{
  font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;
  color:var(--ink-3);padding-top:3px;
}
.meta-list dd{
  margin:0;font-family:var(--sans);font-size:15px;color:var(--ink);
}

@media(max-width:560px){
  .email-card{flex-direction:column;align-items:flex-start;padding:20px}
  .meta-list > div{grid-template-columns:1fr;gap:4px}
}

/* ---------- FOOTER ---------- */
.foot{
  background:var(--ink);color:#C8CDD7;
  padding:88px 0 56px;
}
.foot__inner{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.1);
}
.foot__brand svg rect{stroke:#FAFAF8}
.foot__brand svg path{stroke:#FAFAF8}
.foot__name{
  font-family:var(--display);font-weight:500;
  font-size:1.15rem;color:#FAFAF8;margin:0 0 10px;
  letter-spacing:-.02em;
}
.foot__tag{font-family:var(--sans);font-size:14px;color:#A8AEB9;max-width:420px;margin:0;line-height:1.55}

.foot__cols{display:contents}
.foot__h{
  font-family:var(--mono);font-size:10px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;
  color:#7DB8FF;margin:0 0 14px;
}
.foot__inner > div > div{display:flex;flex-direction:column;gap:8px}
.foot__inner > div > div a,
.foot__inner > div > div span{
  font-family:var(--sans);font-size:13px;color:#C8CDD7;
  transition:color .18s ease;
}
.foot__inner > div > div a:hover{color:#FAFAF8}

.foot__legal{
  grid-column:1 / -1;
  padding-top:32px;
  display:flex;gap:24px;flex-wrap:wrap;
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  color:#7A8290;
}
.foot__legal p{margin:0}

@media(max-width:760px){
  .foot__inner{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
  .foot__legal{flex-direction:column;gap:6px}
}