/* =========================================================
   Constant Variable — Venture & Operating Firm
   Premium editorial · warm institutional · alternating light/dark
   ========================================================= */

:root{
  /* palette */
  --ink:#070A0E;
  --navy:#0D1620;
  --navy-2:#11202E;
  --charcoal:#14171A;
  --paper:#F1EEE7;
  --paper-2:#E9E4D9;
  --concrete:#D8D2C6;
  --stone:#B9B2A6;
  --steel:#8FA8BE;
  --blue:#6F8DA8;
  --blue-bright:#9FBAD2;
  --bronze:#A9865D;
  --bronze-deep:#8A6336; /* darker, for small labels on paper (AA) */

  /* roles */
  --on-dark:#F1EEE7;
  --on-dark-muted:#9FAAB5;
  --on-dark-faint:#5E6B78;
  --on-light:#1B2530;
  --on-light-muted:#5A6470;
  --on-light-faint:#8B8578;

  --line-dark:rgba(255,255,255,0.12);
  --line-light:rgba(27,37,48,0.16);

  --maxw:1200px;
  --gutter:clamp(24px,5vw,72px);
  --ease:cubic-bezier(.22,.7,.22,1);

  --f-head:"Montserrat",system-ui,-apple-system,sans-serif;
  --f-serif:"Playfair Display",Georgia,serif;
  --f-body:"Montserrat",system-ui,-apple-system,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--navy);color:var(--on-dark);
  font-family:var(--f-body);font-weight:300;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{display:block;max-width:100%}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-999px;top:0;z-index:200;background:var(--bronze);color:var(--ink);padding:10px 16px;font-family:var(--f-mono);font-size:.8rem}
.skip:focus{left:12px;top:12px}

/* ---------- type ---------- */
.eyebrow{
  display:inline-block;font-family:var(--f-mono);font-size:.7rem;font-weight:500;
  letter-spacing:.26em;text-transform:uppercase;color:var(--blue);margin-bottom:24px;
  position:relative;padding-left:38px;
}
.eyebrow::before{content:"";position:absolute;left:0;top:50%;width:26px;height:1px;background:currentColor;opacity:.7}

h1,h2{font-family:var(--f-head);font-weight:300;line-height:1.16;letter-spacing:.1em;text-transform:uppercase}
h1{font-size:clamp(2.1rem,5vw,3.7rem);font-weight:300;letter-spacing:.09em;line-height:1.14}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem);font-weight:300;margin-bottom:.55em}
h3{font-family:var(--f-body);font-weight:500;font-size:.86rem;letter-spacing:.18em;text-transform:uppercase}
/* dressed accent — Playfair Display bold italic inside the Montserrat heads */
.accent{font-family:var(--f-serif);font-style:italic;font-weight:700;text-transform:none;
  letter-spacing:0;color:var(--blue);font-size:1.06em}
.dark .accent{color:var(--blue-bright)}
p{font-weight:300}
.lead{font-size:clamp(1.05rem,1.4vw,1.2rem);line-height:1.6}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--f-body);font-weight:400;font-size:.92rem;letter-spacing:.08em;text-transform:lowercase;
  padding:14px 28px;border:1px solid currentColor;border-radius:1px;cursor:pointer;transition:.3s var(--ease);
}
.btn-primary{background:var(--blue);border-color:var(--blue);color:var(--ink)}
.btn-primary:hover{background:var(--blue-bright);border-color:var(--blue-bright)}
.btn-ghost{color:var(--on-dark);border-color:var(--line-dark)}
.btn-ghost:hover{border-color:var(--steel);background:rgba(143,168,190,.1)}
.btn-dark{background:var(--navy);border-color:var(--navy);color:var(--on-dark);margin-top:18px}
.btn-dark:hover{background:var(--ink)}

/* ---------- NAV ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .4s,border-color .4s;
  border-bottom:1px solid transparent;}
/* scrim so light links stay legible over bright imagery before scroll */
.nav::before{content:"";position:absolute;left:0;right:0;top:0;height:150px;z-index:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,10,14,.62) 0%,rgba(7,10,14,.28) 48%,transparent 100%);transition:opacity .4s}
.nav.scrolled::before{opacity:0}
.nav.scrolled{background:rgba(13,22,32,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-dark)}
.nav-inner{position:relative;z-index:1;max-width:1340px;margin:0 auto;padding:14px var(--gutter);display:flex;align-items:center;justify-content:space-between}
.brand-mark{height:40px;width:auto;display:block;opacity:.95;transition:opacity .25s}
.brand:hover .brand-mark{opacity:1}
@media(max-width:560px){.brand-mark{height:32px}}
.nav-links{display:flex;align-items:center;gap:38px}
.nav-links a{font-family:var(--f-body);font-weight:400;font-size:.9rem;letter-spacing:.06em;text-transform:lowercase;color:rgba(241,238,231,.86);text-shadow:0 1px 6px rgba(7,10,14,.45);transition:color .25s;position:relative;padding:6px 0}
.nav-links a:hover,.nav-links a.active{color:var(--on-dark)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--blue);transform:scaleX(0);transition:transform .3s var(--ease);transform-origin:left}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle span{width:22px;height:1.5px;background:var(--on-dark);transition:.3s}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(6.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-6.5px) rotate(-45deg)}

/* ================= HERO ================= */
.hero{min-height:100svh;display:grid;grid-template-columns:1.05fr 1.15fr;background:var(--navy)}
.hero-text{display:flex;flex-direction:column;
  padding:140px var(--gutter) 0;
  background:linear-gradient(160deg, var(--navy) 0%, var(--ink) 100%);position:relative}
.hero-text::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(90deg,var(--line-dark) 1px,transparent 1px);background-size:calc(100%/6) 100%;opacity:.18}
.hero-text-inner{max-width:540px;position:relative;z-index:1;margin:auto 0 0}
.hero h1{margin-bottom:.62em}
.hero-sub{font-size:clamp(1.08rem,1.4vw,1.28rem);line-height:1.62;color:var(--on-dark-muted);max-width:48ch;margin-bottom:40px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
/* pinned footer rail inside the dark panel */
.anchor-line{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:28px;
  margin-top:auto;padding:26px 0 32px;border-top:1px solid var(--line-dark)}
.hero-text-inner + .anchor-line{margin-top:clamp(48px,7vh,96px)}
.anchor-line span{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);position:relative;padding-left:18px}
.anchor-line span::before{content:"";position:absolute;left:0;top:50%;width:4px;height:4px;border-radius:50%;background:var(--bronze);transform:translateY(-50%)}
.hero-image{position:relative;overflow:hidden}
.hero-image-bg{position:absolute;inset:0;background:var(--ink) center/cover no-repeat;opacity:0;transition:opacity 1.6s var(--ease);filter:saturate(1.02) brightness(.96) contrast(1.04)}
.hero-image-bg.loaded{opacity:1}
/* seam wash at the inner edge + grounding scrim so the bright sky doesn't blow out */
.hero-image::after{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(90deg, rgba(13,22,32,.55) 0%, transparent 20%),
    linear-gradient(0deg, rgba(7,10,14,.5) 0%, transparent 32%),
    linear-gradient(180deg, rgba(7,10,14,.32) 0%, transparent 24%)}
/* brand mark floated in the sky, top-right of the photo — forced white for contrast */
.hero-image-logo{position:absolute;top:112px;right:clamp(28px,4vw,60px);z-index:3;
  height:clamp(190px,21vw,300px);width:auto;opacity:.92;
  filter:brightness(0) invert(1) drop-shadow(0 2px 16px rgba(7,10,14,.45))}
@media(max-width:860px){.hero-image-logo{top:84px;right:22px;height:150px}}
.hero-bracket{position:absolute;width:42px;height:42px;border:1px solid rgba(255,255,255,.4);z-index:2}
.hero-bracket.tl{top:34px;left:34px;border-right:0;border-bottom:0}
.hero-bracket.br{bottom:34px;right:34px;border-left:0;border-top:0}

/* ================= SECTIONS ================= */
.sec{padding:clamp(72px,9vw,128px) 0;position:relative}
.sec.light{background:var(--paper);color:var(--on-light)}
.sec.light h2{color:var(--on-light)}
.sec.light p{color:var(--on-light-muted)}
.sec.light .lead{color:var(--on-light)}
.sec.light .eyebrow{color:var(--bronze-deep)}
.sec.dark{background:var(--navy);color:var(--on-dark)}
.sec.dark + .sec.dark{border-top:1px solid var(--line-dark)}
.sec.narrow .wrap{max-width:820px;text-align:center}
.sec.narrow .eyebrow{padding-left:0}
.sec.narrow .eyebrow::before{display:none}

/* ---- thesis (light, lede + 4 numbered cols) ---- */
.thesis-head{display:grid;gap:clamp(40px,6vw,80px)}
.thesis-lede{max-width:680px}
.thesis-lede h2{margin-bottom:.5em}
.thesis-lede .lead{margin-bottom:1em;color:var(--on-light)}
.thesis-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-light)}
.tcol{padding:34px 28px 10px 0;border-right:1px solid var(--line-light)}
.tcol:last-child{border-right:0;padding-right:0}
.tcol:not(:first-child){padding-left:28px}
.tcol h3{color:var(--on-light);margin-bottom:16px;padding-top:30px;letter-spacing:.14em;position:relative}
.tcol h3::before{content:"";position:absolute;top:0;left:0;width:28px;height:1px;background:var(--blue);opacity:.6}
.tcol p{font-size:.92rem}

/* ---- split sections ---- */
.split{display:grid;grid-template-columns:1fr 1fr;align-items:stretch;padding:0}
.split-text{display:flex;flex-direction:column;justify-content:center;padding:clamp(64px,8vw,120px) clamp(40px,6vw,90px)}
.split-text h2{margin-bottom:.55em}
.split-text .lead{margin-bottom:1em}
.split-text p + p{margin-top:1em}
.split-image{position:relative;overflow:hidden;min-height:clamp(340px,46vw,640px)}
.split-image-bg{position:absolute;inset:-4%;background:var(--ink) center/cover no-repeat;opacity:0;transform:scale(1.06);transition:opacity 1.5s var(--ease);will-change:transform;filter:saturate(1.03) brightness(1.02) contrast(1.02)}
.split-image-bg.loaded{opacity:1}
.image-left .split-image{order:-1}
@media(min-width:861px){.image-left .split-text{order:1}}

/* proofs (focus) */
.proofs{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;border-top:1px solid var(--line-dark)}
.proof{display:flex;flex-direction:column;gap:16px;padding:26px 16px 0 0;border-right:1px solid var(--line-dark)}
.proof:last-child{border-right:0}
.proof:not(:first-child){padding-left:16px}
.proof-ic{width:30px;height:30px;color:var(--steel)}
.proof-ic svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.3;stroke-linejoin:round;stroke-linecap:round}
.proof span:last-child{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--on-dark-muted);line-height:1.6}

/* ---- what we build (light, 3 cols) ---- */
.build-head{margin-bottom:60px;max-width:680px}
.build-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line-light)}
.bcol{padding:40px 36px 0 0;border-right:1px solid var(--line-light)}
.bcol:last-child{border-right:0}
.bcol:not(:first-child){padding-left:36px}
.bcol-ic{display:block;width:40px;height:40px;color:var(--bronze);margin-bottom:24px}
.bcol-ic svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.2;stroke-linejoin:round;stroke-linecap:round}
.bcol h3{color:var(--on-light);margin-bottom:14px;letter-spacing:.16em}
.bcol p{font-size:.96rem}

/* ---- operating model lists ---- */
.model-lists{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,70px);margin-top:40px}
.mlist-label{display:block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--blue);padding-bottom:16px;margin-bottom:18px;border-bottom:1px solid var(--line-dark)}
.mlist ul{display:flex;flex-direction:column;gap:12px}
.mlist li{display:flex;align-items:center;gap:13px;font-size:1rem;color:var(--on-dark)}
.mlist li::before{content:"";width:4px;height:4px;background:var(--bronze);flex:none;border-radius:50%}

/* ---- partners / contact narrow ---- */
.partner-block h2,.contact h2{margin:0 auto .5em}
.partner-block .lead,.contact .lead{margin:0 auto 1em;max-width:60ch}
.partner-block{max-width:760px;margin:0 auto;text-align:center}
.partner-block p{margin-left:auto;margin-right:auto}

/* ---- manifesto / north star ---- */
.north .split-text h2{margin-bottom:.5em}
.nots{display:flex;flex-direction:column;gap:9px;margin:28px 0}
.nots li{font-family:var(--f-body);font-weight:300;font-size:1rem;color:var(--on-dark-muted);padding-left:24px;position:relative}
.nots li::before{content:"—";position:absolute;left:0;color:var(--bronze)}
.north-final{font-family:var(--f-serif);font-style:normal;font-weight:500;text-transform:uppercase;letter-spacing:.06em;font-size:clamp(1.05rem,1.7vw,1.4rem);line-height:1.4;color:var(--blue-bright);margin-top:26px}

/* ================= FOOTER ================= */
footer{background:var(--ink);color:var(--on-dark);padding:clamp(64px,7vw,96px) 0 40px;border-top:1px solid var(--line-dark)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:clamp(30px,4vw,64px);padding-bottom:54px;border-bottom:1px solid var(--line-dark)}
.foot-mark{height:64px;width:auto;opacity:.92;margin-bottom:22px}
.foot-desc{font-size:.9rem;color:var(--on-dark-muted);max-width:34ch;line-height:1.7}
.foot-col{display:flex;flex-direction:column;gap:13px}
.foot-label{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--blue);margin-bottom:6px}
.foot-col a{font-family:var(--f-body);font-weight:400;font-size:.92rem;letter-spacing:.04em;text-transform:lowercase;color:var(--on-dark-muted);transition:color .25s}
.foot-col a:hover{color:var(--on-dark)}
.foot-note{font-size:.84rem;color:var(--on-dark-muted);line-height:1.6;max-width:30ch;margin-bottom:6px}
.foot-mail{font-family:var(--f-body)!important;font-weight:400;font-size:.95rem!important;letter-spacing:.02em!important;text-transform:none!important;color:var(--blue-bright)!important}
.foot-base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:30px}
.foot-base small{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--on-dark-faint)}

/* ================= v3 prompt additions ================= */
/* thesis pull line */
.thesis-pull{font-family:var(--f-serif)!important;font-weight:500;text-transform:uppercase;letter-spacing:.05em;font-size:clamp(1rem,1.5vw,1.25rem)!important;line-height:1.45;color:var(--on-light)!important;opacity:1!important;margin-top:1.2em;padding-left:20px;border-left:2px solid var(--bronze)}
/* closing lines in split sections */
.focus-close{font-family:var(--f-serif);font-weight:500;text-transform:uppercase;letter-spacing:.05em;font-size:clamp(1rem,1.6vw,1.3rem);line-height:1.4;color:var(--blue-bright);margin-top:1.2em!important}
.sec.light .focus-close{color:#6F8DA8}
.build-close{font-family:var(--f-serif);font-weight:500;text-transform:uppercase;letter-spacing:.05em;font-size:clamp(1.05rem,1.8vw,1.45rem);line-height:1.45;color:var(--on-light);text-align:center;margin-top:54px;padding-top:36px;border-top:1px solid var(--line-light)}

/* market realities band */
.realities .build-head{max-width:680px;margin-bottom:54px}
.realities-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line-light)}
.rcol{padding:34px 26px 8px 0;border-right:1px solid var(--line-light)}
.rcol:last-child{border-right:0}
.rcol:not(:first-child){padding-left:26px}
.rcol h3{color:var(--on-light);margin-bottom:14px;padding-top:26px;letter-spacing:.14em;position:relative}
.rcol h3::before{content:"";position:absolute;top:0;left:0;width:26px;height:1px;background:var(--blue);opacity:.6}
.rcol p{font-size:.92rem}

/* operators two-column */
.operators-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(40px,6vw,90px);align-items:start}
.operators-lede h2{margin-bottom:.5em}
.operators-lede p + p{margin-top:1em}
.operators-lede .btn{margin-top:26px}
.operators-list{padding-top:8px}
.dark-label{color:var(--bronze-deep,#8A6336)!important}
.value-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line-light)}
.value-list li{font-size:.96rem;color:var(--on-light-muted);padding:16px 0;border-bottom:1px solid var(--line-light);line-height:1.45}

/* capital & strategic partners (dark narrow) */
.capital .lead{margin-bottom:1em}
.capital p{margin-left:auto;margin-right:auto}
.capital .btn{margin-top:24px}

/* contact secondary */
.contact-sub{color:var(--on-light-muted);font-size:.95rem;margin:.6em auto 0;max-width:48ch}
.contact .btn{margin-top:26px}

/* ================= reveals ================= */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}

/* ================= responsive ================= */
@media(max-width:980px){
  .thesis-cols{grid-template-columns:1fr 1fr}
  .tcol{border-bottom:1px solid var(--line-light)}
  .tcol:nth-child(2){border-right:0}
  .tcol:nth-child(odd){padding-left:0}
  .tcol:nth-child(even){padding-left:28px}
  .proofs{grid-template-columns:1fr 1fr}
  .proof{border-bottom:1px solid var(--line-dark);padding-bottom:24px}
  .proof:nth-child(2){border-right:0}
  .build-cols{grid-template-columns:1fr}
  .bcol,.bcol:not(:first-child){padding:34px 0;border-right:0;border-bottom:1px solid var(--line-light)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .realities-grid{grid-template-columns:1fr 1fr}
  .rcol{border-bottom:1px solid var(--line-light)}
  .rcol:nth-child(2){border-right:0}
  .rcol:nth-child(odd){padding-left:0}
  .rcol:nth-child(even){padding-left:26px}
  .operators-grid{grid-template-columns:1fr;gap:40px}
}
@media(max-width:860px){
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;align-items:stretch;
    background:rgba(13,22,32,.98);border-bottom:1px solid var(--line-dark);
    transform:translateY(-8px);opacity:0;pointer-events:none;transition:.3s var(--ease)}
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:16px var(--gutter)}
  .nav-toggle{display:flex}
  .hero{grid-template-columns:1fr;min-height:auto}
  .hero-image{min-height:56vh;order:-1}
  .hero-text{padding:120px var(--gutter) 70px}
  .split{grid-template-columns:1fr}
  .split-image{min-height:46vh;order:-1!important}
  .image-left .split-text{order:0}
  .model-lists{grid-template-columns:1fr;gap:36px}
}
@media(max-width:560px){
  .thesis-cols,.proofs{grid-template-columns:1fr}
  .tcol,.tcol:nth-child(even){padding-left:0;border-right:0}
  .proof,.proof:not(:first-child){padding-left:0;border-right:0}
  .foot-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .hero-image-bg,.split-image-bg{opacity:1}
}