@charset "utf-8";

/* ============================================================
   FONTS — self-hosted, latin subset, zero third-party requests
   ============================================================ */
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/ibm-plex-mono-400.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url('assets/fonts/ibm-plex-mono-600.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/instrument-serif-400.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/inter-400.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('assets/fonts/inter-400.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('assets/fonts/space-grotesk-500.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('assets/fonts/space-grotesk-500.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ============================================================
   TOKENS
   ============================================================ */
:root{
  --bg:#111827;
  --bg-2:#18212F;
  --surface:#222D3D;
  --surface-2:#263345;
  --border:#334155;
  --border-soft:#2A3648;

  --text:#F8FAFC;
  --text-2:#CBD5E1;
  --muted:#94A3B8;

  --blue:#3B82F6;
  --cyan:#38BDF8;
  --teal:#2DD4BF;
  --purple:#A78BFA;
  --orange:#F97316;
  --red:#F87171;

  --gold:#F0C377;
  --gold-bright:#F7D79B;
  --gold-soft:rgba(240,195,119,.17);

  --display:'Space Grotesk',ui-sans-serif,system-ui,sans-serif;
  --body:'Inter',ui-sans-serif,system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SFMono-Regular',Menlo,Consolas,monospace;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;

  --wrap:1440px;
  --wrap-text:74ch;
  --pad:clamp(20px,4vw,64px);
  --r:14px;
  --r-lg:20px;

  --ease:cubic-bezier(.22,.68,.28,1);
  --dur:.72s;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html:focus-within{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:var(--body);
  font-size:17.5px;
  line-height:1.68;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3{margin:0;color:var(--text);font-family:var(--display);font-weight:700;letter-spacing:-.022em}
h1{line-height:1.02}
h2{line-height:1.2}
h3{line-height:1.34}
p{margin:0}
b,strong{font-weight:600;color:var(--text)}
em{font-style:italic}
table{border-collapse:collapse;width:100%}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--pad)}
.mono-inline{font-family:var(--mono);font-size:.9em;color:var(--text);letter-spacing:-.01em;white-space:nowrap}

.visually-hidden{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}

.skip-link{
  position:absolute;left:50%;top:8px;transform:translate(-50%,-160%);
  z-index:200;background:var(--surface);color:var(--text);
  padding:12px 20px;border-radius:10px;border:1px solid var(--border);
  font-weight:600;text-decoration:none;transition:transform .2s var(--ease);
}
.skip-link:focus{transform:translate(-50%,0)}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;
}

/* ============================================================
   KEY TERMS — gold, zero layout impact so they can never overlap
   ============================================================ */
.kw{
  color:var(--gold);
  font-weight:600;
  padding:0;border:0;
  background-image:linear-gradient(180deg,
    transparent 0 56%, var(--gold-soft) 56%, var(--gold-soft) 94%, transparent 94%);
  background-repeat:no-repeat;
  background-size:0% 100%;
  transition:background-size .85s var(--ease) .15s;
  text-shadow:0 0 26px rgba(240,195,119,.24);
}
.is-in .kw,.reveal.is-in .kw{background-size:100% 100%}

/* ============================================================
   NAV
   ============================================================ */
.nav{
  position:sticky;top:0;z-index:100;
  background:rgba(17,24,39,.84);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.nav__inner{
  max-width:var(--wrap);margin-inline:auto;padding:0 var(--pad);
  height:64px;display:flex;align-items:center;gap:20px;
}
.nav__brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-family:var(--display);font-weight:700;font-size:15px;letter-spacing:-.01em;white-space:nowrap}
.nav__logo{width:26px;height:auto;flex:none;filter:drop-shadow(0 0 10px rgba(45,212,191,.35))}
.nav__brandthin{color:var(--muted);font-weight:500}
.nav__menu{margin-left:auto}
.nav__menu ul{display:flex;gap:2px}
.nav__menu a{
  display:block;padding:8px 13px;border-radius:8px;
  color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav__menu a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav__menu a.is-active{color:var(--gold);background:rgba(240,195,119,.1)}

.nav__toggle{
  display:none;margin-left:auto;align-items:center;gap:9px;
  background:var(--surface);border:1px solid var(--border);color:var(--text-2);
  border-radius:10px;padding:8px 13px;font:inherit;font-size:14px;font-weight:500;cursor:pointer;
}
.nav__bars{display:grid;gap:3.5px}
.nav__bars i{display:block;width:15px;height:1.6px;background:currentColor;border-radius:2px;transition:transform .3s var(--ease),opacity .2s}
.nav__toggle[aria-expanded="true"] .nav__bars i:nth-child(1){transform:translateY(5.1px) rotate(45deg)}
.nav__toggle[aria-expanded="true"] .nav__bars i:nth-child(2){opacity:0}
.nav__toggle[aria-expanded="true"] .nav__bars i:nth-child(3){transform:translateY(-5.1px) rotate(-45deg)}

.nav__progress{height:2px;background:rgba(51,65,85,.5)}
.nav__progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--gold));transition:width .12s linear}

/* ============================================================
   SECTION SHELL
   ============================================================ */
.sec{position:relative;padding:clamp(72px,8vw,132px) 0}
.sec--alt{background:var(--bg-2)}
.sec--res{padding-top:clamp(56px,6vw,92px)}

.sechead{margin-bottom:clamp(30px,3.4vw,52px);max-width:none}
.sechead__num{
  font-family:var(--mono);font-size:12.5px;font-weight:600;
  color:var(--muted);letter-spacing:.22em;margin-bottom:14px;
}
.sechead__num--rq{color:var(--blue)}
.sechead__num--teal{color:var(--teal)}
.sechead__num--purple{color:var(--purple)}
.sechead__num--cyan{color:var(--cyan)}
.sechead__h{font-size:clamp(2rem,4.4vw,3.5rem);line-height:1.16;overflow-wrap:break-word}
.sechead__h--sm{font-size:clamp(1.6rem,3.2vw,2.6rem);max-width:24ch;line-height:1.22}
.sechead__note{margin-top:14px;font-family:var(--mono);font-size:13px;color:var(--gold);letter-spacing:.14em}
.sechead__q{
  margin-top:18px;font-family:var(--serif);
  font-size:clamp(1.2rem,2.1vw,1.75rem);line-height:1.4;
  color:var(--text-2);max-width:46ch;
}

.prose{max-width:var(--wrap-text)}
.prose p+p{margin-top:16px}
/* long passages flow into two columns on wide screens so the page isn't half empty */
@media (min-width:1100px){
  .prose--split{max-width:none;columns:2;column-gap:clamp(36px,4vw,64px)}
  .prose--split p{break-inside:avoid}
  .prose--split p+p{margin-top:16px}
}
.lead{font-size:clamp(1.08rem,1.5vw,1.28rem);line-height:1.65;color:var(--text)}
.note{margin-top:16px;font-size:15px;line-height:1.65;color:var(--muted);max-width:var(--wrap-text)}
.note--center{margin-inline:auto;text-align:center}
.subh{margin:clamp(52px,6vw,80px) 0 20px;font-size:clamp(1.3rem,2.2vw,1.8rem)}
.subh em{font-family:var(--serif);font-style:italic;color:var(--gold);font-weight:400}

.finding{
  font-family:var(--display);font-weight:500;
  font-size:clamp(1.3rem,2.4vw,2rem);line-height:1.44;
  color:var(--text);max-width:34ch;margin-bottom:clamp(26px,3vw,40px);
}
.finding--sm{font-size:clamp(1.08rem,1.7vw,1.4rem);font-family:var(--body);color:var(--text-2);max-width:52ch}

.twocol{display:grid;gap:clamp(22px,2.6vw,40px);grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
.twocol--tight{gap:clamp(20px,2.2vw,34px)}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:11px;
  font-family:var(--body);font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.btn--primary{background:linear-gradient(135deg,var(--blue),#2F6FE0);color:#fff;box-shadow:0 8px 26px -10px rgba(59,130,246,.85)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(59,130,246,.95)}
.btn--ghost{background:rgba(255,255,255,.03);border-color:var(--border);color:var(--text)}
.btn--ghost:hover{transform:translateY(-2px);border-color:var(--cyan);background:rgba(56,189,248,.07)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;overflow:hidden;padding:clamp(56px,6vw,104px) 0 clamp(70px,8vw,120px)}
.hero__glow{
  position:absolute;inset:-30% -10% auto;height:900px;pointer-events:none;
  background:
    radial-gradient(44% 50% at 20% 30%,rgba(59,130,246,.20),transparent 68%),
    radial-gradient(40% 46% at 80% 22%,rgba(167,139,250,.16),transparent 66%),
    radial-gradient(34% 40% at 56% 68%,rgba(45,212,191,.10),transparent 70%);
  animation:drift 26s ease-in-out infinite alternate;
}
@keyframes drift{0%{transform:translate3d(0,0,0) scale(1)}100%{transform:translate3d(-3%,2.5%,0) scale(1.07)}}
.hero__grid{position:relative;display:grid;gap:clamp(40px,4.5vw,76px);grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);align-items:center}
.hero__eyebrow{
  display:flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:12.5px;font-weight:600;
  letter-spacing:.3em;text-transform:uppercase;color:var(--teal);margin-bottom:22px;
}
.hero__mark{width:26px;height:auto;filter:drop-shadow(0 0 12px rgba(45,212,191,.45))}
.hero__title{font-size:clamp(3rem,7.4vw,5.9rem);line-height:.97;letter-spacing:-.038em;display:flex;flex-direction:column}
.hero__inrag{font-family:var(--serif);font-weight:400;font-style:italic;color:var(--text-2);letter-spacing:-.01em;font-size:.6em;margin-top:.1em}
.hero__sub{margin-top:26px;font-size:clamp(1.08rem,1.8vw,1.42rem);line-height:1.55;color:var(--text-2);max-width:38ch}
.hero__plain{margin-top:20px;font-size:16.5px;line-height:1.68;color:var(--muted);max-width:52ch}
.hero__plain em{color:var(--text-2);font-style:italic}
.hero__team{display:flex;flex-wrap:wrap;gap:8px 10px;margin-top:28px;font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.hero__team li{padding:5px 11px;border:1px solid var(--border-soft);border-radius:99px;background:rgba(255,255,255,.02)}
.hero__affil{margin-top:14px;font-size:13.5px;color:var(--muted)}
.hero__actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}

.hero__viz{min-width:0}
.stack{
  margin:0;padding:clamp(18px,1.8vw,26px);display:flex;flex-direction:column;
  background:linear-gradient(160deg,var(--surface),var(--bg-2));
  border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:0 30px 60px -34px rgba(0,0,0,.85);
}
.stack__cap{margin-top:18px;font-size:12.5px;line-height:1.5;color:var(--muted);font-family:var(--mono)}
.stack__field{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.frag{
  position:relative;display:flex;flex-direction:column;gap:7px;
  padding:12px 13px;border-radius:10px;border:1px solid var(--border);background:var(--bg-2);
  opacity:0;transform:translateY(12px) scale(.97);
  animation:fragIn .6s var(--ease) forwards;animation-delay:calc(.45s + var(--i) * .13s);
}
.frag i{display:block;height:4px;border-radius:3px;background:rgba(148,163,184,.24)}
.frag i:nth-child(2){width:66%}
.frag span{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.09em;margin-top:2px}
.frag--a{border-color:rgba(59,130,246,.42);background:linear-gradient(150deg,rgba(59,130,246,.13),rgba(59,130,246,.03))}
.frag--a span{color:#7FB0FA}
.frag--b{border-color:rgba(249,115,22,.42);background:linear-gradient(150deg,rgba(249,115,22,.11),rgba(249,115,22,.02))}
.frag--b span{color:#F9A15C}
@keyframes fragIn{to{opacity:1;transform:none}}

.stack__bars{margin-top:18px;display:grid;gap:9px}
.stack__bar{display:flex;align-items:center;gap:11px}
.stack__bar b{font-family:var(--mono);font-size:12px;width:14px;flex:none}
.stack__bar--a b{color:#7FB0FA}
.stack__bar--b b{color:#F9A15C}
.stack__bar span{display:block;height:9px;border-radius:99px;flex:1;background:rgba(148,163,184,.14);position:relative;overflow:hidden}
.stack__bar span::after{content:"";position:absolute;inset:0;width:0;border-radius:99px;animation:fill 1.15s var(--ease) forwards}
.stack__bar--a span::after{background:linear-gradient(90deg,var(--blue),var(--cyan));animation-delay:1.35s;--w:78%}
.stack__bar--b span::after{background:linear-gradient(90deg,var(--orange),#FBA94C);animation-delay:1.5s;--w:22%}
@keyframes fill{to{width:var(--w)}}

/* ============================================================
   PANELS / CALLOUT
   ============================================================ */
.panel{
  padding:30px 30px 34px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--border);height:100%;
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.panel:hover{transform:translateY(-3px);border-color:rgba(56,189,248,.4)}
.panel--warn:hover{border-color:rgba(249,115,22,.45)}
.panel__tag{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.panel--warn .panel__tag{color:var(--orange)}
.panel__h{font-size:1.34rem;margin-bottom:14px}
.panel p+p{margin-top:14px}
.twocol .panel p{font-size:16px}

.callout{
  margin-top:clamp(26px,3vw,40px);padding:30px 34px;border-radius:var(--r-lg);
  background:rgba(17,24,39,.6);border:1px solid var(--border-soft);
  border-left:3px solid var(--gold);max-width:none;
}
.callout__h{font-family:var(--serif);font-size:1.4rem;color:var(--gold);margin-bottom:12px}
.callout p+p{margin-top:14px}

/* ============================================================
   FORMALIZATION
   ============================================================ */
.formal{display:grid;gap:clamp(22px,2.6vw,40px);grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}
.formal__math{display:grid;gap:10px}
.mathrow{
  display:grid;grid-template-columns:minmax(120px,auto) 1fr;gap:20px;align-items:baseline;
  padding:14px 20px;border-radius:12px;background:var(--surface);border:1px solid var(--border-soft);
}
.mathrow__k{font-family:var(--mono);font-size:16px;font-weight:600;color:var(--text)}
.mathrow__k--a{color:#7FB0FA}
.mathrow__k--b{color:#F9A15C}
.mathrow__v{font-size:15.5px;color:var(--text-2)}
.mathrow--hi{background:linear-gradient(120deg,rgba(59,130,246,.14),var(--surface));border-color:rgba(59,130,246,.4)}
.formal__stmt{padding:34px;border-radius:var(--r-lg);background:linear-gradient(150deg,rgba(167,139,250,.12),var(--surface));border:1px solid rgba(167,139,250,.3)}
.formal__lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--purple);margin-bottom:18px}
.formal__eq{font-family:var(--mono);font-size:clamp(1.05rem,1.8vw,1.5rem);font-weight:600;color:var(--text);line-height:1.5;letter-spacing:-.02em}
.formal__note{margin-top:20px;font-size:15.5px;color:var(--text-2);line-height:1.65}

/* ============================================================
   RESEARCH QUESTIONS
   ============================================================ */
.rqs{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))}
.rq{
  position:relative;padding:32px 30px 36px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--border);overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s var(--ease),background .4s var(--ease);
}
.rq::before{content:"";position:absolute;inset:0 0 auto;height:2px;background:var(--_a);opacity:.85}
.rq::after{content:"";position:absolute;inset:auto -40% -60% auto;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,var(--_a),transparent 66%);opacity:.1;transition:opacity .45s var(--ease)}
.rq:hover{transform:translateY(-4px);border-color:var(--_a);background:var(--surface-2)}
.rq:hover::after{opacity:.2}
.rq--1{--_a:var(--blue)}
.rq--2{--_a:var(--teal)}
.rq--3{--_a:var(--purple)}
.rq__tag{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.2em;color:var(--_a);margin-bottom:16px}
.rq__title{font-size:1.42rem;line-height:1.4;margin-bottom:14px}
.rq__q{font-size:15.5px;line-height:1.62;color:var(--text-2)}
.rq__plain{margin-top:16px;padding-top:16px;border-top:1px dashed var(--border);font-size:15px;color:var(--muted)}
.rq__plain b{color:var(--_a);font-weight:600}
.rq__rule{display:block;margin-top:22px;height:2px;width:0;border-radius:2px;background:linear-gradient(90deg,var(--_a),transparent);transition:width .9s var(--ease) .25s}
.rq.is-in .rq__rule{width:64%}

/* ============================================================
   METHOD
   ============================================================ */
.methods{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:clamp(46px,5vw,72px)}
.m{padding:28px 26px 30px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--border);transition:transform .4s var(--ease),border-color .4s var(--ease)}
.m:hover{transform:translateY(-3px);border-color:rgba(56,189,248,.45)}
.m__val{font-family:var(--mono);font-weight:600;font-size:clamp(2.2rem,3.6vw,3rem);line-height:1;color:var(--text);letter-spacing:-.04em;text-shadow:0 0 30px rgba(56,189,248,.2)}
.m__lbl{margin-top:14px;font-size:12.5px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--gold)}
.m__desc{margin-top:12px;font-size:14.5px;line-height:1.6;color:var(--text-2)}

.block{margin-top:clamp(46px,5vw,76px)}
.block__h{font-size:clamp(1.3rem,2vw,1.7rem);margin-bottom:20px}
.block__sub{max-width:var(--wrap-text);margin-bottom:24px;color:var(--text-2)}

.domains{display:grid;gap:14px;align-content:start}
.domain{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;padding:22px 24px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border)}
.domain__n{font-family:var(--mono);font-weight:600;font-size:2.1rem;line-height:1;letter-spacing:-.04em}
.domain--bank .domain__n{color:var(--cyan)}
.domain--corp .domain__n{color:var(--teal)}
.domain__t{font-weight:600;color:var(--text);font-size:16px}
.domain__d{font-size:14.5px;color:var(--muted);margin-top:4px;line-height:1.55}

.ratios{display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}
.ratio{padding:24px 22px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border);transition:transform .35s var(--ease),border-color .35s var(--ease)}
.ratio:hover{transform:translateY(-3px);border-color:rgba(59,130,246,.5)}
.ratio--ctl{background:linear-gradient(140deg,rgba(45,212,191,.1),var(--surface));border-color:rgba(45,212,191,.3)}
.ratio__r{font-family:var(--mono);font-weight:600;font-size:1.9rem;color:var(--text);letter-spacing:-.04em}
.ratio--ctl .ratio__r{color:var(--teal)}
.ratio__n{margin-top:8px;font-size:12.5px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--gold)}
.ratio__d{margin-top:10px;font-size:14.5px;line-height:1.6;color:var(--text-2)}

.models{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}
.model{
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
  padding:26px 24px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--border);
  transition:transform .4s var(--ease),border-color .4s var(--ease);
}
.model:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5)}
.model__logo{width:46px;height:46px;border-radius:11px;object-fit:contain;background:rgba(255,255,255,.05);padding:6px}
.model__name{font-family:var(--display);font-weight:700;font-size:1.12rem;color:var(--text);letter-spacing:-.01em}
.model__vendor{margin-top:5px;font-size:13.5px;color:var(--cyan)}
.model__cfg{margin-top:12px;font-size:14px;line-height:1.6;color:var(--muted)}

.arms{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.arm{padding:28px 26px;border-radius:var(--r-lg);border:1px solid var(--border)}
.arm--struct{background:linear-gradient(140deg,rgba(167,139,250,.13),var(--surface));border-color:rgba(167,139,250,.34)}
.arm--ctrl{background:linear-gradient(140deg,rgba(148,163,184,.09),var(--surface))}
.arm__tag{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px}
.arm--struct .arm__tag{color:var(--purple)}
.arm--ctrl .arm__tag{color:var(--muted)}
.arm__n{font-family:var(--mono);font-weight:600;font-size:2.4rem;line-height:1;color:var(--text);letter-spacing:-.04em}
.arm__n span{font-size:.4em;letter-spacing:.1em;color:var(--muted);margin-left:.4em;text-transform:uppercase}
.arm__d{margin-top:14px;font-size:15px;line-height:1.65;color:var(--text-2)}

.rubric{display:grid;gap:10px}
.rub{display:grid;grid-template-columns:88px 1fr;gap:20px;align-items:start;padding:16px 20px;border-radius:12px;background:var(--surface);border:1px solid var(--border-soft)}
.rub__k{font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.08em;padding:4px 0;text-align:center;border-radius:7px}
.rub--maj .rub__k{color:#7FB0FA;background:rgba(59,130,246,.16)}
.rub--min .rub__k{color:#F9A15C;background:rgba(249,115,22,.16)}
.rub--com .rub__k{color:#EFC978;background:rgba(240,195,119,.14)}
.rub--flag .rub__k{color:#C4AEFB;background:rgba(167,139,250,.16)}
.rub--other .rub__k{color:var(--muted);background:rgba(148,163,184,.12)}
.rub__v{font-size:15px;line-height:1.6}

.statcard{padding:26px 24px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border)}
.statcard__h{font-family:var(--display);font-weight:700;font-size:1.06rem;color:var(--text);margin-bottom:12px}
.statcard p{font-size:15px;line-height:1.62}

/* ============================================================
   INTERACTIVE DEMO
   ============================================================ */
.sec--demo{background:#0C111C;border-block:1px solid var(--border-soft);overflow:hidden}
.demo__glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(40% 44% at 16% 18%,rgba(56,189,248,.2),transparent 66%),
             radial-gradient(38% 46% at 88% 76%,rgba(45,212,191,.14),transparent 68%);
  animation:drift 30s ease-in-out infinite alternate;
}
.sec--demo .wrap{position:relative}
.demo{border:1px solid var(--border);border-radius:var(--r-lg);background:rgba(24,33,47,.72);overflow:hidden}
.demo__controls{display:grid;gap:26px;grid-template-columns:repeat(2,minmax(0,1fr));padding:26px 28px;border-bottom:1px solid var(--border-soft);background:rgba(17,24,39,.5)}
.ctrl__lbl{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-family:var(--mono);font-size:14px;font-weight:600;
  padding:9px 16px;border-radius:10px;cursor:pointer;
  background:var(--surface);border:1px solid var(--border);color:var(--text-2);
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.chip:hover{transform:translateY(-2px);color:var(--text);border-color:var(--cyan)}
.chip.is-on{background:linear-gradient(135deg,rgba(56,189,248,.24),rgba(59,130,246,.18));border-color:var(--cyan);color:#fff}
.ctrl__hint{margin-top:10px;font-size:13.5px;color:var(--muted);min-height:1.4em}
#posCtrl.is-off{opacity:.4;pointer-events:none}

.demo__stage{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr)}
.demo__ctx{padding:28px;border-right:1px solid var(--border-soft)}
.demo__out{padding:28px;background:rgba(17,24,39,.35)}
.demo__h{display:flex;align-items:center;gap:11px;font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.demo__h--mt{margin-top:28px}
.demo__step{width:22px;height:22px;border-radius:50%;flex:none;display:grid;place-items:center;background:rgba(56,189,248,.16);border:1px solid rgba(56,189,248,.42);color:var(--cyan);font-size:11px}
.demo__meta{margin-left:auto;text-transform:none;letter-spacing:0;color:var(--cyan);font-size:12px}

.docs{display:grid;gap:9px}
.doc{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;
  padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:var(--bg-2);
  animation:docIn .5s var(--ease) backwards;animation-delay:calc(var(--i) * .09s);
}
@keyframes docIn{from{opacity:0;transform:translateX(-14px)}to{opacity:1;transform:none}}
.doc__badge{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-family:var(--mono);font-size:12px;font-weight:600}
.doc__body{display:grid;gap:5px;min-width:0}
.doc__src{font-size:12px;color:var(--muted);font-family:var(--mono)}
.doc__txt{font-size:14px;color:var(--text-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.doc__claim{font-family:var(--mono);font-size:13px;font-weight:600;white-space:nowrap}
.doc--a{border-color:rgba(59,130,246,.4);background:linear-gradient(140deg,rgba(59,130,246,.1),rgba(24,33,47,.6))}
.doc--a .doc__badge{background:rgba(59,130,246,.2);color:#8FBBFB;border:1px solid rgba(59,130,246,.45)}
.doc--a .doc__claim{color:#8FBBFB}
.doc--b{border-color:rgba(249,115,22,.42);background:linear-gradient(140deg,rgba(249,115,22,.1),rgba(24,33,47,.6))}
.doc--b .doc__badge{background:rgba(249,115,22,.18);color:#F9A15C;border:1px solid rgba(249,115,22,.45)}
.doc--b .doc__claim{color:#F9A15C}
.doc--pulse{animation:docPulse .6s var(--ease)}
@keyframes docPulse{50%{transform:scale(1.02);box-shadow:0 0 0 3px rgba(56,189,248,.18)}}

.ask{padding:20px 22px;border-radius:var(--r);background:var(--bg-2);border:1px solid var(--border-soft)}
.ask__q{font-family:var(--serif);font-size:1.3rem;line-height:1.32;color:var(--text);margin-bottom:16px}
.ask__opts{display:grid;gap:9px;font-family:var(--mono);font-size:14px;color:var(--text-2)}
.ask__opts li{padding:9px 12px;border-radius:9px;background:rgba(17,24,39,.6);border:1px solid var(--border-soft)}
.opt{font-weight:600;margin-right:10px}
.opt--a{color:#8FBBFB}
.opt--b{color:#F9A15C}
.ask__note{margin-top:16px;font-size:13.5px;line-height:1.6;color:var(--muted)}

.demo__run{width:100%;margin-top:24px;position:relative}
.demo__spinner{width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;display:none}
.demo__run.is-busy .demo__spinner{display:block;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.demo__empty{padding:26px 22px;color:var(--muted);font-size:14.5px;border:1px dashed var(--border);border-radius:var(--r);text-align:center}
.waiting{display:grid;gap:10px;margin-bottom:20px;text-align:left}
.waiting li{display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:12px;background:rgba(34,45,61,.5);border:1px solid var(--border-soft);opacity:.55}
.waiting img{width:24px;height:24px;object-fit:contain;filter:grayscale(1)}
.waiting span{font-family:var(--display);font-weight:700;font-size:15px;color:var(--text-2)}
.waiting b{margin-left:auto;font-family:var(--mono);font-size:1.2rem;color:var(--muted)}
.results{display:grid;gap:12px}
.result{
  padding:18px 20px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border);
  animation:resIn .5s var(--ease) backwards;animation-delay:calc(var(--i) * .16s);
}
@keyframes resIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.result__top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.result__logo{width:26px;height:26px;object-fit:contain;flex:none}
.result__name{font-family:var(--display);font-weight:700;font-size:15.5px;color:var(--text)}
.result__maj{margin-left:auto;font-family:var(--mono);font-weight:600;font-size:1.35rem;letter-spacing:-.03em;color:#8FBBFB}
.result__maj small{font-size:.5em;color:var(--muted);letter-spacing:.08em;margin-left:5px}
.result__bar{display:flex;height:10px;border-radius:99px;overflow:hidden;background:rgba(148,163,184,.14)}
.result__seg{height:100%;width:0;transition:width .9s var(--ease)}
.seg--maj{background:linear-gradient(90deg,#3B82F6,#38BDF8)}
.seg--min{background:linear-gradient(90deg,#F97316,#FBA94C)}
.seg--com{background:linear-gradient(90deg,#EAB308,#F0C377)}
.seg--flag{background:linear-gradient(90deg,#7C5CE6,#A78BFA)}
.seg--rest{background:rgba(148,163,184,.22)}
.result__legend{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:12px;font-family:var(--mono);font-size:11.5px;color:var(--muted)}
.lg{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.lg--maj{background:linear-gradient(90deg,#3B82F6,#38BDF8)}
.lg--min{background:linear-gradient(90deg,#F97316,#FBA94C)}
.lg--com{background:linear-gradient(90deg,#EAB308,#F0C377)}
.lg--flag{background:linear-gradient(90deg,#7C5CE6,#A78BFA)}
.lg--rest{background:rgba(148,163,184,.3)}
.result__note{margin-top:12px;font-size:13.5px;line-height:1.55;color:var(--text-2)}
.demo__src{margin-top:16px;font-size:12.5px;line-height:1.55;color:var(--muted)}

.promptbox{border-top:1px solid var(--border-soft);background:rgba(17,24,39,.4)}
.promptbox summary{display:flex;align-items:center;gap:12px;padding:18px 28px;cursor:pointer;list-style:none;transition:background .25s var(--ease)}
.promptbox summary::-webkit-details-marker{display:none}
.promptbox summary:hover{background:rgba(255,255,255,.03)}
.promptbox__label{font-family:var(--body);font-size:15px;font-weight:600;color:var(--text)}
.promptbox__label::before{content:"▸";display:inline-block;margin-right:10px;color:var(--cyan);transition:transform .25s var(--ease)}
.promptbox[open] .promptbox__label::before{transform:rotate(90deg)}
.promptbox__hint{margin-left:auto;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.promptbox__pre{
  margin:0;padding:0 28px 26px;overflow-x:auto;
  font-family:var(--mono);font-size:12.5px;line-height:1.75;color:var(--text-2);
  white-space:pre;tab-size:2;
}

/* ============================================================
   RESULTS INTRO
   ============================================================ */
.results-intro{
  padding:clamp(66px,8vw,124px) 0;text-align:center;
  background:linear-gradient(180deg,var(--bg) 0%,#1B2534 55%,var(--bg-2) 100%);
  border-block:1px solid var(--border-soft);
}
.results-intro__h{font-size:clamp(2.2rem,5vw,4rem);letter-spacing:-.03em}
.results-intro__p{max-width:62ch;margin:24px auto 0;font-size:clamp(1rem,1.4vw,1.16rem);line-height:1.68;color:var(--text-2)}
.results-intro__rule{display:block;height:2px;width:0;max-width:280px;margin:26px auto 0;border-radius:2px;background:linear-gradient(90deg,transparent,var(--cyan),var(--gold),transparent);transition:width 1.1s var(--ease) .2s}
.results-intro__rule.is-in{width:280px}

/* ============================================================
   FIGURES
   ============================================================ */
.fig{margin:clamp(26px,3vw,40px) 0 0;max-width:1260px}
.fig--wide{max-width:none}
.fig__btn{
  display:block;width:100%;padding:clamp(10px,1.1vw,16px);cursor:zoom-in;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  position:relative;overflow:hidden;
  transition:transform .4s var(--ease),border-color .4s var(--ease),box-shadow .4s var(--ease);
}
.fig__btn:hover{transform:translateY(-3px);border-color:rgba(56,189,248,.5);box-shadow:0 24px 48px -26px rgba(0,0,0,.9)}
.fig__btn img{width:100%;border-radius:10px;transition:transform .5s var(--ease)}
.fig__btn:hover img{transform:scale(1.012)}
.fig__zoom{
  position:absolute;top:18px;right:18px;
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--text);background:rgba(17,24,39,.86);border:1px solid var(--border);
  padding:6px 11px;border-radius:8px;opacity:0;transform:translateY(-5px);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.fig__btn:hover .fig__zoom,.fig__btn:focus-visible .fig__zoom{opacity:1;transform:none}
.fig figcaption{margin-top:16px;font-size:14.5px;line-height:1.62;color:var(--muted);max-width:96ch}
.fig figcaption b{color:var(--text-2)}

/* ============================================================
   AWARENESS GAP STATS
   ============================================================ */
.gapstats{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr));margin:clamp(26px,3vw,40px) 0}
.gapstat{padding:26px 24px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--border)}
.gapstat--hi{background:linear-gradient(140deg,rgba(240,195,119,.12),var(--surface));border-color:rgba(240,195,119,.32)}
.gapstat__v{font-family:var(--mono);font-weight:600;font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-.04em;color:var(--text);line-height:1.1}
.gapstat--hi .gapstat__v{color:var(--gold)}
.gapstat__l{margin-top:12px;font-size:14.5px;line-height:1.6;color:var(--text-2)}

/* ============================================================
   RQ2
   ============================================================ */
.rq2grid{display:grid;gap:clamp(26px,3vw,44px);grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:start}
.rq2side__block{font-size:16px;line-height:1.68;color:var(--text-2)}
.rq2side__block+.rq2side__block{margin-top:20px}
.rq2side__block b{color:var(--cyan)}
.rq2side__block--find{padding:18px 20px;border-radius:var(--r);background:rgba(45,212,191,.07);border:1px solid rgba(45,212,191,.26)}
.rq2side__block--find b{color:var(--teal)}
.rq2table{border-radius:var(--r-lg);border:1px solid var(--border);background:var(--surface);overflow:hidden}
.rq2table thead th{padding:15px 20px;text-align:left;font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);background:rgba(17,24,39,.5);border-bottom:1px solid var(--border)}
.rq2table tbody th{padding:18px 20px;text-align:left;font-weight:600;color:var(--text);font-size:15.5px}
.rq2table tbody td{padding:18px 20px}
.rq2table tbody tr+tr th,.rq2table tbody tr+tr td{border-top:1px solid var(--border-soft)}
.pct{font-family:var(--mono);font-weight:600;font-size:1.35rem;color:var(--teal);letter-spacing:-.03em}
.pct--min{color:var(--orange);font-size:1.1rem}
.nn{font-family:var(--mono);font-size:14px;color:var(--muted)}
.rq2table .row{opacity:0;transform:translateY(10px)}
.rq2table.is-in .row{animation:rowIn .55s var(--ease) forwards;animation-delay:calc(.15s + var(--i) * .18s)}
@keyframes rowIn{to{opacity:1;transform:none}}
.stat-note{padding:16px 20px;border-top:1px solid var(--border);background:rgba(17,24,39,.45);font-size:14.5px;color:var(--text-2)}

/* ============================================================
   RQ3
   ============================================================ */
.sec--rq3{background:#0C111C;border-block:1px solid var(--border-soft);overflow:hidden;padding:clamp(80px,9vw,140px) 0}
.rq3__glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(38% 44% at 14% 16%,rgba(59,130,246,.24),transparent 66%),
             radial-gradient(42% 50% at 86% 74%,rgba(167,139,250,.22),transparent 68%);
  animation:drift 30s ease-in-out infinite alternate;
}
.sec--rq3 .wrap{position:relative}
.flipline{
  font-family:var(--display);font-weight:700;
  font-size:clamp(1.8rem,4.2vw,3.4rem);line-height:1.3;letter-spacing:-.028em;
  color:var(--text);max-width:26ch;margin-bottom:clamp(28px,3vw,44px);
}
.flip{
  font-family:var(--serif);font-weight:400;font-style:italic;letter-spacing:-.012em;white-space:nowrap;
  background:linear-gradient(96deg,var(--cyan),var(--purple) 55%,var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:inline-block;padding-right:.14em;margin-right:-.14em;
}
.flip.is-flipped{animation:flipDir 1.15s var(--ease)}
@keyframes flipDir{
  0%{transform:perspective(700px) rotateX(0) translateZ(0);opacity:1}
  42%{transform:perspective(700px) rotateX(72deg) translateZ(-14px);opacity:.25}
  100%{transform:perspective(700px) rotateX(0) translateZ(0);opacity:1}
}
.flipcards{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr));margin:clamp(30px,3.4vw,48px) 0}
.flipcard{padding:28px 26px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--border);transition:transform .4s var(--ease),border-color .4s var(--ease)}
.flipcard:hover{transform:translateY(-4px)}
.flipcard--good{background:linear-gradient(150deg,rgba(45,212,191,.12),var(--surface));border-color:rgba(45,212,191,.3)}
.flipcard--bad{background:linear-gradient(150deg,rgba(249,115,22,.12),var(--surface));border-color:rgba(249,115,22,.32)}
.flipcard__ratio{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.flipcard--good .flipcard__ratio{color:var(--teal)}
.flipcard--bad .flipcard__ratio{color:var(--orange)}
.flipcard__t{font-family:var(--display);font-weight:700;font-size:1.24rem;color:var(--text);margin-bottom:12px}
.flipcard__d{font-size:15px;line-height:1.65;color:var(--text-2)}

/* ============================================================
   DISCUSSION
   ============================================================ */
.disc{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
.disccard{padding:32px 30px 34px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--border);transition:transform .4s var(--ease),border-color .4s var(--ease)}
.disccard:hover{transform:translateY(-4px);border-color:rgba(240,195,119,.4)}
.disccard__n{font-family:var(--mono);font-weight:600;font-size:1.5rem;line-height:1;color:transparent;-webkit-text-stroke:1.2px rgba(240,195,119,.55);letter-spacing:-.05em;margin-bottom:16px}
.disccard__h{font-size:1.26rem;margin-bottom:14px}
.disccard p{font-size:15.5px;line-height:1.66}

.implications{margin-top:clamp(40px,4.6vw,68px);padding:34px;border-radius:var(--r-lg);background:linear-gradient(150deg,rgba(59,130,246,.11),var(--bg-2));border:1px solid rgba(59,130,246,.28)}
.implications__tag{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:20px}
.implications__h{font-size:1.1rem;margin-bottom:12px}
.implications p{font-size:15.5px;line-height:1.66}

.limits{margin-top:clamp(30px,3.4vw,48px);padding:32px 34px;border-radius:var(--r-lg);background:var(--bg-2);border:1px solid var(--border-soft);border-left:3px solid var(--muted)}
.limits__tag{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.limits__list{display:grid;gap:12px}
.limits__list li{position:relative;padding-left:26px;font-size:15.5px;line-height:1.65;color:var(--text-2)}
.limits__list li::before{content:"";position:absolute;left:6px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--muted)}

.conclusion{margin-top:clamp(30px,3.4vw,48px);padding:38px 36px;border-radius:var(--r-lg);background:linear-gradient(150deg,rgba(240,195,119,.09),var(--surface));border:1px solid rgba(240,195,119,.28)}
.conclusion__tag{font-family:var(--mono);font-size:11.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);margin-bottom:18px}
.conclusion__p{font-size:clamp(1.02rem,1.4vw,1.16rem);line-height:1.7;color:var(--text-2);max-width:80ch}

/* ============================================================
   CLOSING
   ============================================================ */
.closing{position:relative;overflow:hidden;text-align:center;background:var(--bg-2)}
.closing__glow{position:absolute;inset:auto -20% -55%;height:640px;pointer-events:none;background:radial-gradient(42% 56% at 50% 50%,rgba(45,212,191,.18),transparent 68%);animation:drift 28s ease-in-out infinite alternate}
.closing__inner{position:relative}
.closing__logo{width:76px;height:auto;margin:0 auto 24px;filter:drop-shadow(0 8px 28px rgba(45,212,191,.35))}
.closing__h{font-size:clamp(2.4rem,6vw,4rem);letter-spacing:-.035em}
.closing__sub{margin-top:14px;font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--teal)}
.closing__note{margin-top:10px;font-size:14px;color:var(--muted)}
.closing__q{margin-top:clamp(34px,4vw,52px);font-family:var(--serif);font-size:clamp(1.4rem,3vw,2.1rem);color:var(--gold)}
.members{display:grid;gap:14px;grid-template-columns:repeat(4,minmax(0,1fr));margin:clamp(34px,4vw,52px) auto 0;text-align:left}
.member{display:flex;align-items:flex-start;gap:14px;padding:20px 22px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border);transition:transform .3s var(--ease),border-color .3s var(--ease)}
.member:hover{transform:translateY(-3px);border-color:rgba(45,212,191,.5)}
.member__i{width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;font-family:var(--mono);font-size:11.5px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--blue),var(--purple))}
.member__b{display:block;min-width:0}
.member__n{display:block;font-weight:600;color:var(--text);font-size:15.5px;line-height:1.35}
.member__r{display:block;margin-top:5px;font-size:13px;line-height:1.5;color:var(--muted)}

/* ============================================================
   FOOTER
   ============================================================ */
.foot{border-top:1px solid var(--border-soft);background:var(--bg);padding:34px 0}
.foot__inner{display:flex;flex-wrap:wrap;gap:12px 32px;justify-content:space-between;align-items:center}
.foot__t{font-size:14.5px;color:var(--text-2);font-weight:600}
.foot__note{font-size:13px;color:var(--muted);margin-top:4px}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lb{position:fixed;inset:0;z-index:300;display:grid;place-items:center;padding:clamp(16px,3vw,40px)}
.lb[hidden]{display:none}
.lb__backdrop{position:absolute;inset:0;background:rgba(8,12,20,.9);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fadeIn .25s var(--ease)}
.lb__panel{position:relative;max-width:1600px;width:100%;max-height:92vh;display:flex;flex-direction:column;gap:14px;animation:lbIn .32s var(--ease)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes lbIn{from{opacity:0;transform:scale(.97) translateY(10px)}to{opacity:1;transform:none}}
.lb__panel img{width:100%;max-height:80vh;object-fit:contain;background:#fff;border-radius:var(--r);border:1px solid var(--border)}
.lb__cap{font-size:14px;line-height:1.55;color:var(--text-2);text-align:center;max-width:96ch;margin-inline:auto}
.lb__close{position:absolute;top:-6px;right:0;transform:translateY(-100%);width:40px;height:40px;display:grid;place-items:center;cursor:pointer;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text);transition:background .25s var(--ease),border-color .25s var(--ease)}
.lb__close:hover{background:var(--surface-2);border-color:var(--cyan)}
.lb__close svg{width:19px;height:19px}
body.lb-open{overflow:hidden}

/* ============================================================
   REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);transition-delay:calc(var(--d,0) * .08s)}
.reveal.is-in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1200px){
  .rqs{grid-template-columns:1fr}
  .models{grid-template-columns:1fr}
  .members{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ratios{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1080px){
  .hero__grid{grid-template-columns:1fr}
  .hero__viz{max-width:520px}
  .formal{grid-template-columns:1fr}
  .rq2grid{grid-template-columns:1fr}
  .demo__stage{grid-template-columns:1fr}
  .demo__ctx{border-right:0;border-bottom:1px solid var(--border-soft)}
  .methods{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gapstats{grid-template-columns:1fr}
  .flipcards{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav__toggle{display:inline-flex}
  .nav__menu{
    position:absolute;left:0;right:0;top:64px;margin:0;
    background:rgba(17,24,39,.98);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--border);
    max-height:0;overflow:hidden;visibility:hidden;
    transition:max-height .35s var(--ease),visibility .35s;
  }
  .nav__menu.is-open{max-height:460px;visibility:visible}
  .nav__menu ul{flex-direction:column;gap:0;padding:8px var(--pad) 16px}
  .nav__menu a{padding:13px 12px;font-size:16px;border-radius:9px}
  .twocol{grid-template-columns:1fr}
  .disc{grid-template-columns:1fr}
  .arms{grid-template-columns:1fr}
  .demo__controls{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .hero__actions .btn{width:100%}
  .methods{grid-template-columns:1fr}
  .ratios{grid-template-columns:1fr}
  .members{grid-template-columns:1fr}
  .stack__field{grid-template-columns:1fr 1fr}
  .doc{grid-template-columns:auto 1fr;row-gap:8px}
  .doc__claim{grid-column:2}
  .rub{grid-template-columns:1fr;gap:10px}
  .rub__k{justify-self:start;padding:4px 14px}
  .rq2table thead{display:none}
  .rq2table tbody tr{display:grid;grid-template-columns:1fr 1fr;gap:4px 12px;padding:14px 16px}
  .rq2table tbody tr+tr{border-top:1px solid var(--border-soft)}
  .rq2table tbody th,.rq2table tbody td{padding:0;border:0!important}
  .rq2table tbody th{grid-column:1/-1;margin-bottom:6px}
  .demo__ctx,.demo__out,.demo__controls{padding:22px 18px}
  .promptbox summary{padding:16px 18px}
  .promptbox__pre{padding:0 18px 22px;font-size:11.5px}
  .lb__close{top:auto;bottom:-6px;right:50%;transform:translate(50%,100%)}
  .foot__inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:380px){
  .stack__field{grid-template-columns:1fr}
  .hero__title{font-size:2.6rem}
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html:focus-within{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .reveal{opacity:1!important;transform:none!important}
  .frag,.rq2table .row,.doc,.result{opacity:1!important;transform:none!important;animation:none!important}
  .stack__bar--a span::after{width:78%}
  .stack__bar--b span::after{width:22%}
  .kw{background-size:100% 100%!important}
  .rq__rule{width:64%!important}
  .results-intro__rule{width:280px!important}
  .hero__glow,.rq3__glow,.closing__glow,.demo__glow{animation:none!important}
  .fig__btn:hover,.fig__btn:hover img{transform:none}
}