/* ============================================================
   FOUR NINETY SIX CAPITAL — modern direction
   Light · bold sans · bento tiles · near-monochrome + one gold.
   Inter (display/UI) · JetBrains Mono (labels) · Radley (the 496 glyph only)
   ============================================================ */

@font-face{font-family:"Radley";font-style:normal;font-weight:400;font-display:swap;
  src:url("../../fonts/radley-regular.woff2") format("woff2");}
@font-face{font-family:"Radley";font-style:italic;font-weight:400;font-display:swap;
  src:url("../../fonts/radley-italic.woff2") format("woff2");}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;
  src:url("../../fonts/inter-variable.woff2") format("woff2");}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:100 800;font-display:swap;
  src:url("../../fonts/jetbrains-mono.woff2") format("woff2");}

:root{
  --paper:#f6f4ef;        /* warm near-white page */
  --paper-2:#efece3;      /* subtle alt panel */
  --card:#ffffff;
  --ink:#0c0d10;          /* near-black surfaces + text */
  --ink-soft:#15171b;

  --text:#14151a;
  --muted:#5c5a53;
  --soft:#928d82;

  --gold:#a9824a;         /* single accent, used sparingly */
  --gold-bright:#c79b57;

  --line:rgba(12,13,16,.10);
  --line-2:rgba(12,13,16,.16);
  --line-on-ink:rgba(246,244,239,.14);

  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --serif:"Radley",Georgia,serif;

  --r:30px;
  --r-sm:18px;
  --maxw:1280px;
  --ease:cubic-bezier(.22,.7,.2,1);
  --shadow:0 2px 4px rgba(12,13,16,.03),0 18px 50px -22px rgba(12,13,16,.18);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--paper);color:var(--text);font-family:var(--sans);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;letter-spacing:-.01em;
}
::selection{background:var(--gold);color:#fff}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:clamp(20px,5vw,48px)}

/* labels */
.eyebrow{
  font-family:var(--mono);font-size:.7rem;font-weight:500;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gold);display:inline-flex;align-items:center;gap:.65em;
}
.eyebrow::before{content:"";width:18px;height:1px;background:currentColor;opacity:.6}

/* display type — big, bold, tight (the Apple/Mammoth move) */
.display{font-family:var(--sans);font-weight:680;letter-spacing:-.035em;line-height:1.0}
.h-xl{font-size:clamp(2.7rem,8vw,6.4rem)}
.h-lg{font-size:clamp(2.2rem,5.4vw,4rem)}
.h-md{font-size:clamp(1.7rem,3.4vw,2.7rem)}
.lede{font-size:clamp(1.1rem,1.5vw,1.4rem);line-height:1.5;color:var(--muted);font-weight:420;letter-spacing:-.015em}

/* gold serif italic — the single editorial thread */
.acc{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--gold);letter-spacing:-.01em}

/* ============================================================ NAV */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px clamp(20px,5vw,48px);
  transition:background .4s var(--ease),backdrop-filter .4s var(--ease),border-color .4s var(--ease),padding .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(246,244,239,.72);backdrop-filter:blur(18px) saturate(150%);
  -webkit-backdrop-filter:blur(18px) saturate(150%);border-bottom:1px solid var(--line);
  padding-top:12px;padding-bottom:12px;
}
.brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:-.02em;font-size:1.02rem}
.brand .mk{width:26px;height:26px;flex:none}
.brand b{font-weight:640}
.brand .ct{color:var(--soft);font-weight:500}
.nav-r{display:flex;align-items:center;gap:clamp(8px,2vw,30px)}
.nav-r a.lnk{font-size:.92rem;font-weight:500;color:var(--muted);transition:color .2s var(--ease)}
.nav-r a.lnk:hover{color:var(--text)}
.btn{
  font-size:.9rem;font-weight:560;padding:9px 18px;border-radius:999px;
  background:var(--ink);color:var(--paper);transition:transform .25s var(--ease),background .25s var(--ease);
}
.btn:hover{transform:translateY(-1px);background:#000}
.btn-arrow::after{content:" →"}
@media(max-width:680px){.nav-r a.lnk{display:none}}

/* ============================================================ HERO */
.hero{padding:clamp(130px,18vh,210px) 0 clamp(40px,7vh,80px);text-align:center}
.hero .eyebrow{margin-bottom:clamp(22px,3vw,32px)}
.hero h1{margin:0 auto;max-width:14ch}
.hero h1 .acc{font-size:.92em}
.hero .lede{max-width:40ch;margin:clamp(24px,3vw,34px) auto 0}

/* equation strip */
.eqstrip{
  margin:clamp(34px,5vw,52px) auto 0;display:flex;flex-wrap:wrap;width:fit-content;max-width:100%;
  justify-content:center;align-items:center;gap:.55em;
  font-family:var(--mono);font-weight:400;font-size:clamp(.74rem,1.4vw,.96rem);
  letter-spacing:.06em;color:var(--soft);
  padding:14px 22px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.5);
}
.eqstrip .term{transition:opacity .5s var(--ease),transform .5s var(--ease)}
.js .eqstrip .term{opacity:0;transform:translateY(6px)}
.js .eqstrip .term.in{opacity:1;transform:none}
.eqstrip .op{color:var(--line-2);color:#bdb8ac}
.eqstrip .eq{color:var(--gold);font-weight:600}
.eqstrip .res{color:var(--text);font-weight:600;letter-spacing:.02em}

.hlinks{display:flex;gap:26px;margin-top:clamp(30px,4vw,40px);flex-wrap:wrap;justify-content:center}
.hlink{font-size:1rem;font-weight:540;color:var(--text);display:inline-flex;align-items:center;gap:7px;transition:gap .25s var(--ease),color .2s var(--ease)}
.hlink .ar{color:var(--gold);transition:transform .25s var(--ease)}
.hlink:hover{color:var(--gold)}
.hlink:hover .ar{transform:translateX(4px)}

/* ============================================================ BENTO — the number */
.section{padding-block:clamp(54px,8vw,108px)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:clamp(30px,4vw,46px)}
.sec-head .lede{max-width:40ch}

.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(12px,1.4vw,18px)}
.tile{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:clamp(26px,3vw,40px);position:relative;overflow:hidden;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
  display:flex;flex-direction:column;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.tile .tlabel{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:auto}
.tile h3{font-weight:640;letter-spacing:-.025em;line-height:1.08;font-size:clamp(1.4rem,2vw,1.9rem);margin-top:18px}
.tile p{color:var(--muted);font-size:1rem;line-height:1.55;margin-top:12px;max-width:34ch}

.tile-496{grid-column:span 5;min-height:340px;justify-content:space-between;background:var(--paper-2);border-color:transparent}
.tile-496 .glyph{font-family:var(--serif);font-weight:400;font-size:clamp(6rem,12vw,10rem);line-height:.8;letter-spacing:-.03em;color:var(--ink);margin-top:14px}
.tile-496 .sub{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--soft);margin-top:18px}
.tile-math{grid-column:span 7}
.tile-phys{grid-column:span 7;background:var(--ink);border-color:transparent}
.tile-phys .tlabel{color:var(--gold-bright)}
.tile-phys h3{color:#fff}
.tile-phys p{color:rgba(246,244,239,.66)}
@media(max-width:860px){
  .tile-496,.tile-math,.tile-phys{grid-column:span 12}
  .tile-496{min-height:300px}
}

/* ============================================================ MISSION */
.mission{background:var(--ink);color:var(--paper);border-radius:var(--r);overflow:hidden}
.mission-in{padding:clamp(44px,7vw,100px) clamp(28px,5vw,80px)}
.mission .eyebrow{color:var(--gold-bright)}
.mission h2{color:#fff;max-width:18ch;margin-top:24px}
.mission h2 .acc{color:var(--gold-bright)}
.mission .body{display:grid;grid-template-columns:1fr;gap:clamp(20px,3vw,48px);margin-top:clamp(34px,4vw,54px);max-width:1000px}
@media(min-width:820px){.mission .body{grid-template-columns:1fr 1fr}}
.mission .body p{color:rgba(246,244,239,.72);font-size:clamp(1rem,1.15vw,1.1rem);line-height:1.62}

/* ============================================================ THESIS */
.thesis .sec-head h2{max-width:16ch}
.focus{display:grid;grid-template-columns:1fr;gap:clamp(12px,1.4vw,18px);margin-top:clamp(8px,1vw,12px)}
@media(min-width:820px){.focus{grid-template-columns:repeat(3,1fr)}}
.fcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:clamp(26px,2.6vw,38px);
  display:flex;flex-direction:column;min-height:280px;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.fcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.fcard .fn{font-family:var(--mono);font-size:.78rem;letter-spacing:.12em;color:var(--gold);margin-bottom:auto}
.fcard h4{font-weight:620;letter-spacing:-.02em;line-height:1.12;font-size:clamp(1.3rem,1.8vw,1.65rem);margin-top:54px}
.fcard p{color:var(--muted);font-size:.98rem;line-height:1.55;margin-top:14px}

.firstinv{
  margin-top:clamp(12px,1.4vw,18px);background:var(--ink);color:var(--paper);border-radius:var(--r);
  padding:clamp(30px,4vw,52px);display:grid;grid-template-columns:1fr;gap:18px;align-items:center;
}
@media(min-width:760px){.firstinv{grid-template-columns:200px 1fr;gap:clamp(28px,4vw,56px)}}
.firstinv .fi-l .lbl{font-family:var(--mono);font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-bright)}
.firstinv .fi-l .nm{font-weight:660;letter-spacing:-.02em;font-size:1.5rem;margin-top:10px;color:#fff}
.firstinv p{color:rgba(246,244,239,.74);font-size:clamp(1.02rem,1.2vw,1.15rem);line-height:1.6;max-width:60ch}
.firstinv p b{color:#fff;font-weight:600}

.stage{
  margin-top:clamp(34px,5vw,62px);padding-top:clamp(26px,3vw,38px);border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:24px;align-items:baseline;justify-content:space-between;
}
.stage p{font-weight:560;letter-spacing:-.02em;font-size:clamp(1.3rem,2.4vw,2rem);line-height:1.25;max-width:24ch}
.stage p .acc{font-size:.95em}
.stage .note{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--soft);max-width:24ch;line-height:1.7}

/* ============================================================ PARTNERS */
.partners .sec-head h2{max-width:18ch}
.pgrid{display:grid;grid-template-columns:1fr;gap:clamp(14px,1.6vw,20px)}
@media(min-width:840px){.pgrid{grid-template-columns:1fr 1fr}}
.pcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  display:flex;flex-direction:row;align-items:flex-start;gap:clamp(18px,2vw,26px);
  padding:clamp(22px,2.4vw,30px);
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s var(--ease);
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-2)}
.pphoto{
  flex:none;width:clamp(96px,11vw,128px);aspect-ratio:5/6;
  overflow:hidden;border-radius:var(--r-sm);background:var(--paper-2);position:relative;
}
.pphoto img{width:100%;height:100%;object-fit:cover;object-position:50% 24%;transition:transform .8s var(--ease)}
.pcard:hover .pphoto img{transform:scale(1.035)}
.pphoto .fallback{position:absolute;inset:0;display:none;align-items:center;justify-content:center;font-family:var(--serif);font-size:2rem;color:var(--gold)}
.pbody{min-width:0;flex:1}
.pbody .top{display:flex;flex-direction:column;gap:5px}
.pbody h3{font-weight:660;letter-spacing:-.025em;font-size:clamp(1.4rem,1.9vw,1.7rem);line-height:1.05}
.pbody .role{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.pbody p{color:var(--muted);font-size:.95rem;line-height:1.55;margin-top:14px;max-width:50ch}
.pbody .pull{margin-top:16px;font-weight:560;letter-spacing:-.015em;font-size:1.02rem;color:var(--text)}
.pbody .pull .acc{font-size:1.05em}
@media(max-width:520px){
  .pcard{flex-direction:column}
  .pphoto{width:clamp(100px,30vw,128px)}
}

/* ============================================================ FOOTER */
.footer{background:var(--ink);color:var(--paper);border-radius:var(--r) var(--r) 0 0;margin-top:clamp(40px,6vw,90px)}
.footer-in{padding:clamp(60px,9vw,120px) 0 48px;text-align:center}
.footer .eq{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;color:rgba(246,244,239,.4);margin-bottom:26px}
.footer .eq .gold{color:var(--gold-bright)}
.footer .big{font-family:var(--serif);font-weight:400;font-size:clamp(4.5rem,15vw,11rem);line-height:.82;letter-spacing:-.02em;color:#fff}
.footer .word{font-weight:600;letter-spacing:-.02em;font-size:clamp(1.1rem,2vw,1.5rem);margin-top:14px}
.footer .invite{color:rgba(246,244,239,.66);max-width:34ch;margin:30px auto 24px;font-size:clamp(1.05rem,1.4vw,1.25rem);line-height:1.5;font-weight:430}
.footer .invite .acc{color:var(--gold-bright)}
.footer .mail{
  display:inline-flex;align-items:center;gap:9px;font-weight:560;font-size:1.02rem;color:#fff;
  padding:13px 26px;border:1px solid var(--line-on-ink);border-radius:999px;transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease);
}
.footer .mail:hover{background:var(--paper);color:var(--ink);transform:translateY(-2px)}
.footer .meta{margin-top:clamp(50px,7vw,80px);padding-top:26px;border-top:1px solid var(--line-on-ink);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between}
.footer .meta span{font-family:var(--mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:rgba(246,244,239,.4)}

/* ============================================================ reveal */
.reveal{transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .reveal{opacity:0;transform:translateY(26px)}
.js .reveal.in{opacity:1;transform:none}
.stagger>*{transition:opacity .8s var(--ease),transform .8s var(--ease)}
.js .stagger.in>*{opacity:1;transform:none}
.js .stagger>*{opacity:0;transform:translateY(26px)}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .reveal,.js .eqstrip .term,.js .stagger>*{opacity:1!important;transform:none!important}
}