/* ==========================================================================
   Quantum Reward — quantumreward.com
   Pay architecture & compensation research.

   Design brief: high-end consulting. Restraint over decoration. The substance
   is the ornament — real numbers, real formulas, real report pages. No stock
   photography, no faces, no gradients on type.

   Motion: everything reveals once on scroll and then stays still. Nothing
   loops, nothing auto-plays, nothing moves while you are reading it.
   Fully disabled under prefers-reduced-motion.
   ========================================================================== */

:root {
  --navy-0:  #08111C;
  --navy-1:  #0E2439;
  --navy-2:  #14304F;
  --navy-3:  #1D4269;

  --blue:    #4A8FC0;
  --blue-br: #6FB0DC;
  --gold:    #F5B335;
  --gold-lt: #F6DCB0;
  --teal:    #1F937A;

  --paper:   #FCFCFB;
  --paper-2: #F2F5F7;
  --ink:     #16202B;
  --ink-2:   #4A5763;
  --ink-3:   #7E8A94;
  --rule:    #E2E7EB;
  --rule-dk: rgba(255,255,255,.12);

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --sans:  'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --pad: clamp(20px, 5vw, 72px);
  --maxw: 1240px;
  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink-2);
  font: 400 17px/1.65 var(--sans);
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* height:auto is load-bearing — the width/height attributes on the report
   images otherwise force their full 2160px intrinsic height */
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }

/* ---------- type scale ---------------------------------------------- */

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.022em; color: var(--ink); }
h1 { font-size: clamp(40px, 7.2vw, 82px); line-height: 1.04; }
h2 { font-size: clamp(30px, 4.6vw, 52px); line-height: 1.12; }
h3 { font-size: clamp(19px, 2.1vw, 24px); line-height: 1.28; letter-spacing: -.014em; }
p  { max-width: 62ch; }

.eyebrow {
  font: 600 11.5px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 22px;
}
.eyebrow.gold { color: var(--gold); }
.lede { font-size: clamp(18px, 2.1vw, 21px); line-height: 1.6; color: var(--ink-2); }
/* .lede hard-codes a dark ink meant for white backgrounds, which then wins over
   the light colour a dark section sets on its children. Both dark contexts have
   to restate it or the copy reads as near-invisible slate on navy. */
.dark .lede { color: #C6D7E5; }
.hero .lede { color: #CBDCEA; }
strong, b { font-weight: 600; color: var(--ink); }
/* same trap as .lede: a hard-coded dark ink beats the light colour the section
   inherits, so every dark context must restate it. The hero is not .dark. */
.dark strong, .dark b,
.hero strong, .hero b { color: #fff; }

/* ---------- sections -------------------------------------------------- */

section { padding: clamp(72px, 11vw, 148px) 0; position: relative; }
.dark { background: var(--navy-1); color: #AFC2D2; }
.dark h1, .dark h2, .dark h3 { color: #fff; }
.tint { background: var(--paper-2); }

.hair { height: 1px; background: var(--rule); border: 0; }
.dark .hair { background: var(--rule-dk); }

/* ---------- nav ------------------------------------------------------- */

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 60;
  transition: background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.nav-in {
  max-width: var(--maxw); margin: 0 auto; padding: 18px var(--pad);
  display: flex; align-items: center; gap: 28px;
  transition: padding .35s var(--ease);
}
.nav.stuck {
  background: rgba(8,17,28,.88);
  backdrop-filter: saturate(150%) blur(14px);
  border-bottom-color: rgba(255,255,255,.10);
}
.nav.stuck .nav-in { padding-top: 12px; padding-bottom: 12px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-tx { font: 600 17.5px/1 var(--serif); color: #fff; letter-spacing: -.01em; }
.brand-tx span { display: block; font: 500 9.5px/1 var(--sans); letter-spacing: .17em;
                 color: #7FAFD4; margin-top: 5px; }

.nav-links { margin-left: auto; display: flex; gap: 4px; align-items: center; }
.nav-links a {
  font: 500 14px/1 var(--sans); color: #C3D4E1; padding: 10px 14px; border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.08); }
.nav-cta {
  font: 600 14px/1 var(--sans) !important; color: var(--navy-0) !important;
  background: var(--gold); padding: 11px 18px !important; border-radius: 8px;
  transition: transform .2s var(--ease), box-shadow .2s;
}
.nav-cta:hover { background: var(--gold) !important; transform: translateY(-1px);
                 box-shadow: 0 8px 22px rgba(245,179,53,.28); }
@media (max-width: 860px) { .nav-links a:not(.nav-cta) { display: none; } }

/* ---------- hero ------------------------------------------------------ */

.hero {
  background:
    radial-gradient(90% 70% at 12% 104%, rgba(238,180,102,.20) 0%, transparent 60%),
    radial-gradient(85% 65% at 88% -8%, rgba(92,158,238,.24) 0%, transparent 62%),
    linear-gradient(165deg, var(--navy-2) 0%, var(--navy-1) 48%, var(--navy-0) 100%);
  color: #AFC2D2; padding: clamp(140px, 20vh, 210px) 0 clamp(84px, 12vw, 132px);
  overflow: hidden;
}
.hero-grid { display: grid; gap: clamp(40px, 6vw, 76px); align-items: center;
             grid-template-columns: 1fr; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: 1.22fr .78fr; } }

.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero .lede { margin-top: 26px; max-width: 54ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 15px/1 var(--sans); padding: 16px 26px; border-radius: 10px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
              background .22s, border-color .22s, color .22s;
}
.btn-p { background: var(--gold); color: var(--navy-0); }
.btn-p:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(245,179,53,.30); }
.btn-s { border-color: rgba(255,255,255,.26); color: #E6EEF5; }
.btn-s:hover { border-color: #fff; background: rgba(255,255,255,.07); transform: translateY(-2px); }
.btn svg { transition: transform .22s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.hero-note { margin-top: 30px; font-size: 14.5px; color: #A2B7C9; display: flex; gap: 10px; align-items: flex-start; }
.hero-note b { color: #E3EDF5; }

/* the animated mark */
.mark-stage { position: relative; display: grid; place-items: center; min-height: 300px; }
.mark-svg { width: min(100%, 420px); height: auto; overflow: visible; }
.mk-band { transform-box: fill-box; transform-origin: left center; transform: scaleX(0); }
/* path measures ~300 units; 320 guarantees it starts fully hidden */
.mk-line { stroke-dasharray: 320; stroke-dashoffset: 320; }
.mk-dot  { opacity: 0; transform-box: fill-box; transform-origin: center; transform: scale(0); }
.mark-stage.go .mk-band { animation: bandIn .82s var(--ease) forwards; }
.mark-stage.go .mk-line { animation: lineIn 1.5s var(--ease) .5s forwards; }
.mark-stage.go .mk-dot  { animation: dotIn .42s var(--ease) forwards; }
@keyframes bandIn { to { transform: scaleX(1); } }
@keyframes lineIn { to { stroke-dashoffset: 0; } }
@keyframes dotIn  { to { opacity: 1; transform: scale(1); } }

/* ---------- reveal ---------------------------------------------------- */

[data-rv] { opacity: 0; transform: translateY(26px); }
[data-rv].in { opacity: 1; transform: none;
               transition: opacity .8s var(--ease), transform .8s var(--ease); }

/* ---------- the arresting statistic ----------------------------------- */

.stat-wrap { display: grid; gap: clamp(34px, 5vw, 64px); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 900px) { .stat-wrap { grid-template-columns: .95fr 1.05fr; } }

.stat-line { display: flex; align-items: baseline; gap: 16px; margin-bottom: 10px; }
.stat-n { font: 600 clamp(46px, 8vw, 86px)/1 var(--serif); letter-spacing: -.04em; }
.stat-n.up   { color: var(--teal); }
.stat-n.down { color: #D9666E; }
.stat-n.net  { color: var(--gold); }
.stat-l { font: 400 15px/1.4 var(--sans); color: var(--ink-3); }
.dark .stat-l { color: #8FA3B4; }
.stat-rule { height: 1px; background: var(--rule-dk); margin: 22px 0; max-width: 460px; }

.pull {
  font: 400 clamp(21px, 2.7vw, 30px)/1.42 var(--serif);
  color: #fff; letter-spacing: -.014em; max-width: 22ch;
}
.pull span { color: var(--gold); }

/* ---------- cards ----------------------------------------------------- */

.grid { display: grid; gap: 20px; }
/* 380px floor keeps this a balanced 2x2 rather than 3 + a lone card */
.g2 { grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(212px, 1fr)); }

.card {
  background: var(--paper); border: 1px solid var(--rule); border-radius: 14px;
  padding: 30px 30px 32px; transition: transform .3s var(--ease), box-shadow .3s var(--ease),
  border-color .3s;
}
.card:hover { transform: translateY(-4px); border-color: #C6D2DB;
              box-shadow: 0 20px 48px rgba(16,32,48,.09); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 15.5px; }
.card-n {
  font: 600 13px/1 var(--sans); color: var(--blue); letter-spacing: .04em;
  display: block; margin-bottom: 16px;
}
.dark .card { background: rgba(255,255,255,.035); border-color: var(--rule-dk); }
.dark .card:hover { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.24);
                    box-shadow: 0 20px 48px rgba(0,0,0,.28); }
.dark .card p { color: #A9BDCD; }

.svc-note { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--rule);
            font: 500 14px/1.5 var(--sans); color: var(--ink-3); }
.dark .svc-note { border-top-color: var(--rule-dk); color: #8FA3B4; }

/* ---------- charts ---------------------------------------------------- */

.chart-card {
  background: rgba(255,255,255,.04); border: 1px solid var(--rule-dk);
  border-radius: 16px; padding: clamp(24px,3.4vw,38px);
}
.chart-h { font: 600 17px/1.3 var(--sans); color: #fff; }
.chart-s { font: 400 13.5px/1.45 var(--sans); color: #8FA3B4; margin: 5px 0 30px; }

.plot { position: relative; height: 250px; display: flex; align-items: flex-end;
        gap: clamp(10px,2.4vw,26px); padding-bottom: 2px;
        border-bottom: 1px solid rgba(255,255,255,.16); }
.grp { flex: 1 1 0; display: flex; align-items: flex-end; justify-content: center;
       gap: 7px; height: 100%; }
.bar { flex: 1 1 0; max-width: 34px; border-radius: 4px 4px 0 0; position: relative;
       background: #3E7FBE; height: 0; transition: height 1.1s var(--ease); }
.in .bar { height: var(--h); }
.bar.hi { background: var(--gold); }
.bar-v { position: absolute; left: 50%; transform: translateX(-50%); bottom: calc(100% + 7px);
         font: 600 12px/1 var(--sans); color: #BACBDA; white-space: nowrap; }
.bar.hi .bar-v { color: var(--gold); }

.ref { position: absolute; left: 0; right: 0; border-top: 1px dashed rgba(246,220,176,.62);
       pointer-events: none; }
.ref span { position: absolute; right: 0; top: -22px; font: 500 11.5px/1 var(--sans);
            color: var(--gold-lt); background: var(--navy-0); padding: 0 6px; }

.xaxis { display: flex; gap: clamp(10px,2.4vw,26px); margin-top: 12px; }
.xaxis div { flex: 1 1 0; text-align: center; font: 600 13px/1.35 var(--sans); color: #C6D8E6; }
.xaxis div span { display: block; font-weight: 400; font-size: 11.5px; color: #7E93A5; margin-top: 3px; }

.chart-foot { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--rule-dk);
              font-size: 13.5px; color: #8FA3B4; }
.chart-foot b { color: #D8E4EE; }

/* trust curve */
.curve-wrap { display: grid; gap: clamp(26px,4vw,52px); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 900px) { .curve-wrap { grid-template-columns: 1.15fr .85fr; } }
.curve svg { width: 100%; height: auto; overflow: visible; }
.cv-path { stroke-dasharray: 700; stroke-dashoffset: 700; }
.in .cv-path { animation: lineIn 1.6s var(--ease) .25s forwards; }
.cv-dot { opacity: 0; }
.in .cv-dot { animation: dotIn .5s var(--ease) forwards; }
.trust-list { list-style: none; }
.trust-list li { padding: 15px 0; border-top: 1px solid var(--rule-dk); display: flex;
                 gap: 16px; align-items: baseline; font-size: 15.5px; color: #A9BDCD; }
.trust-list li b { flex: 0 0 92px; color: #fff; font: 600 15.5px/1.4 var(--sans); }
.trust-list li:first-child { border-top: 0; }

/* ---------- the four differences -------------------------------------- */

.diff { display: grid; gap: 0; }
.diff-row {
  display: grid; gap: 18px 40px; grid-template-columns: 1fr;
  padding: 34px 0; border-top: 1px solid var(--rule-dk);
}
@media (min-width: 860px) { .diff-row { grid-template-columns: 78px 1fr 1fr; align-items: start; } }
.diff-num { font: 600 34px/1 var(--serif); color: var(--gold); letter-spacing: -.03em; }
.diff-h { font: 600 clamp(20px,2.4vw,26px)/1.25 var(--serif); color: #fff; letter-spacing: -.015em; }
.diff-p { font-size: 16px; color: #A9BDCD; }
.diff-p em { font-style: normal; color: #fff; font-weight: 600; }

/* ---------- method ---------------------------------------------------- */

.steps-flow { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(178px, 1fr)); }
.sf {
  position: relative; padding: 24px 22px 26px; border-radius: 12px;
  background: var(--paper); border: 1px solid var(--rule);
}
.sf-n { font: 600 11.5px/1 var(--sans); letter-spacing: .16em; color: var(--blue); margin-bottom: 12px; }
.sf-h { font: 600 16px/1.3 var(--sans); color: var(--ink); margin-bottom: 7px; }
.sf-p { font-size: 13.8px; line-height: 1.5; color: var(--ink-2); }

.formula {
  background: var(--navy-1); border-radius: 14px; padding: clamp(26px,3.6vw,40px);
  margin-top: 30px; color: #C6D8E6;
}
.formula code {
  display: block; font: 500 clamp(15px,2vw,19px)/1.9 'JetBrains Mono', ui-monospace, monospace;
  color: #fff; letter-spacing: -.01em;
}
.formula code b { color: var(--gold); font-weight: 500; }
.formula p { margin-top: 18px; font-size: 15px; color: #93A9BB; max-width: 62ch; }

.wtable { width: 100%; border-collapse: collapse; margin-top: 24px; font-size: 15px; }
.wtable th { text-align: left; font: 600 10.5px/1 var(--sans); letter-spacing: .13em;
             text-transform: uppercase; color: #7E97AB; padding: 0 14px 12px 0; }
.wtable td { padding: 11px 14px 11px 0; border-top: 1px solid var(--rule-dk); color: #B6C8D6; }
.wtable td:last-child { text-align: right; color: #fff; font-weight: 600; }

/* ---------- proof / report ---------------------------------------------- */

.pages { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(224px, 1fr));
         margin-top: 46px; }
.page-fig { position: relative; border-radius: 10px; overflow: hidden;
            border: 1px solid var(--rule); background: #fff;
            box-shadow: 0 14px 36px rgba(16,32,48,.10);
            transition: transform .38s var(--ease), box-shadow .38s var(--ease); }
.page-fig:hover { transform: translateY(-8px) scale(1.012);
                  box-shadow: 0 28px 60px rgba(16,32,48,.17); }
.page-cap { font: 500 13px/1.4 var(--sans); color: var(--ink-3); margin-top: 12px; }

/* ---------- audience ---------------------------------------------------- */

.aud { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule);
       border-radius: 14px; overflow: hidden; }
@media (min-width: 760px) { .aud { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .aud { grid-template-columns: repeat(4, 1fr); } }
.aud-c { background: var(--paper); padding: 30px 26px 32px; transition: background .3s; }
.aud-c:hover { background: #fff; }
.aud-c h3 { font-family: var(--sans); font-size: 16.5px; font-weight: 600; margin-bottom: 9px; }
.aud-c p { font-size: 14.5px; color: var(--ink-2); }

/* ---------- CTA ---------------------------------------------------------- */

.cta {
  background:
    radial-gradient(80% 90% at 18% 108%, rgba(238,180,102,.22) 0%, transparent 62%),
    radial-gradient(78% 80% at 84% -10%, rgba(92,158,238,.20) 0%, transparent 60%),
    linear-gradient(160deg, var(--navy-2), var(--navy-0));
}
.cta h2 { max-width: 18ch; }
.cta-mail {
  display: inline-flex; align-items: center; gap: 12px; margin-top: 30px;
  font: 600 clamp(19px,2.6vw,27px)/1 var(--sans); color: #fff;
  padding-bottom: 8px; border-bottom: 2px solid rgba(245,179,53,.5);
  transition: border-color .25s, gap .25s var(--ease);
}
.cta-mail:hover { border-color: var(--gold); gap: 18px; }

/* ---------- footer -------------------------------------------------------- */

.foot { background: var(--navy-0); color: #6E8395; padding: 58px 0 46px; font-size: 14px; }
.foot-grid { display: flex; flex-wrap: wrap; gap: 28px; align-items: flex-start; }
.foot-grid > div:last-child { margin-left: auto; text-align: right; }
.foot a:hover { color: #C3D4E1; }
.foot .fine { margin-top: 22px; font-size: 12.5px; color: #55697A; max-width: 74ch; line-height: 1.6; }

/* ---------- narrow screens ------------------------------------------------ */

@media (max-width: 700px) {
  /* the reference label collides with the tallest group at this width; the
     chart footnote already explains what the dashed line means */
  .ref span { display: none; }

  .plot { height: 210px; gap: 12px; }
  .bar { max-width: 26px; }
  .bar-v { font-size: 10.5px; }
  .xaxis { gap: 12px; }
  .xaxis div { font-size: 12px; }
  .xaxis div span { font-size: 10.5px; }

  /* value labels sitting on the dashed line read as noise when cramped */
  .chart-card { padding: 22px 16px 24px; }
  .chart-h { font-size: 15.5px; }

  .hero { padding-top: clamp(112px, 16vh, 150px); }
  .mark-stage { min-height: 220px; }
  .mark-svg { width: min(78%, 300px); }

  .diff-row { padding: 26px 0; gap: 10px; }
  .trust-list li b { flex-basis: 74px; }
  .curve svg { min-height: 190px; }
}

/* ---------- reduced motion ------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0s !important;
                           transition-duration: .001ms !important; }
  [data-rv] { opacity: 1; transform: none; }
  .mk-band { transform: scaleX(1); }
  .mk-line { stroke-dashoffset: 0; }
  .mk-dot { opacity: 1; transform: scale(1); }
}