/* ===========================================================
   ESG BAROMETER — brand stylesheet
   Concept: the report's central tension — Sustainability Impact
   perceived as a benefit (+24.14 NPS) vs. Sustainability Risk
   perceived as a threat (-86.21 NPS) — rendered as a physical
   pressure-gauge reading. The dial motif recurs at every scale.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400;1,6..72,500&family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* --- color tokens --- */
  --bg:            #0F211C;   /* deep gauge-housing charcoal-green */
  --bg-panel:      #17322B;   /* card / panel surface */
  --bg-panel-2:    #1D3B32;   /* slightly lifted surface */
  --ink:           #F3EFE3;   /* warm instrument-face white */
  --ink-dim:       #B9C2B9;   /* secondary text */
  --ink-faint:     #7E8C84;   /* tertiary / captions */
  --brass:         #C98A3D;   /* needle / primary accent */
  --brass-bright:  #E7AE5F;   /* hover state */
  --teal:          #5FAF97;   /* impact / positive reading */
  --brick:         #C1584A;   /* risk / negative reading */
  --hairline:      rgba(243,239,227,0.14);
  --hairline-soft: rgba(243,239,227,0.07);

  /* --- type tokens --- */
  --font-display: 'Newsreader', Georgia, serif;
  --font-body:    'IBM Plex Sans', -apple-system, sans-serif;
  --font-mono:    'IBM Plex Mono', 'SF Mono', monospace;

  --container: 1120px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* subtle instrument-panel texture */
body::before{
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(circle at 15% 8%, rgba(201,138,61,0.06), transparent 40%),
    radial-gradient(circle at 85% 92%, rgba(95,175,151,0.05), transparent 45%);
}

img, svg{ display:block; max-width:100%; }
a{ color: inherit; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight: 500; margin: 0; }
p{ margin: 0 0 1rem; color: var(--ink-dim); }
.mono{ font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

:focus-visible{
  outline: 2px solid var(--brass-bright);
  outline-offset: 3px;
}

.wrap{
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

/* ---------------- NAV ---------------- */
.site-nav{
  position: sticky; top: 0; z-index: 50;
  background: rgba(15,33,28,0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline-soft);
}
.site-nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 1.1rem; padding-bottom: 1.1rem;
}
.brand-mark{
  display:flex; align-items:center; gap:0.65rem;
  text-decoration:none;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  color: var(--ink);
}
.brand-mark .mini-dial{ width: 26px; height: 26px; flex-shrink:0; }
.brand-mark strong{ font-weight: 600; }
.brand-mark .ed{
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--brass-bright);
  border: 1px solid rgba(201,138,61,0.4);
  border-radius: 3px;
  padding: 0.1rem 0.4rem;
  margin-left: 0.15rem;
  letter-spacing: 0.04em;
}
.nav-links{ display:flex; gap: 2rem; align-items:center; }
.nav-links a{
  text-decoration:none;
  font-size: 0.92rem;
  color: var(--ink-dim);
  transition: color 0.15s ease;
}
.nav-links a:hover, .nav-links a.active{ color: var(--brass-bright); }
.nav-links a.active{ color: var(--ink); }

/* ---------------- BUTTONS ---------------- */
.btn{
  display:inline-flex; align-items:center; gap:0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration:none;
  border: 1px solid transparent;
  cursor:pointer;
  transition: all 0.15s ease;
}
.btn-primary{ background: var(--brass); color: #14201A; }
.btn-primary:hover{ background: var(--brass-bright); }
.btn-ghost{ border-color: var(--hairline); color: var(--ink); }
.btn-ghost:hover{ border-color: var(--brass-bright); color: var(--brass-bright); }

/* ---------------- HERO ---------------- */
.hero{
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--hairline-soft);
}
.hero .wrap{
  display:grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items:center;
}
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass-bright);
  margin-bottom: 1.1rem;
  display:flex; align-items:center; gap:0.6rem;
}
.eyebrow::before{
  content:""; width: 22px; height: 1px; background: var(--brass-bright);
}
.hero h1{
  font-size: clamp(2.3rem, 4.4vw, 3.4rem);
  line-height: 1.08;
  color: var(--ink);
  margin-bottom: 1.4rem;
}
.hero h1 em{ font-style: italic; color: var(--brass-bright); }
.hero .lede{
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: 2rem;
}
.hero-ctas{ display:flex; gap: 1rem; flex-wrap:wrap; }

/* ---------------- GAUGE (signature element) ---------------- */
.gauge-wrap{ display:flex; flex-direction:column; align-items:center; gap: 1.1rem; }
.gauge-readout{
  display:flex; gap: 1.6rem; justify-content:center; flex-wrap:wrap;
}
.readout-item{ text-align:center; }
.readout-item .label{
  font-family: var(--font-mono); font-size: 0.68rem; letter-spacing:0.08em;
  text-transform:uppercase; color: var(--ink-faint); margin-bottom:0.25rem;
}
.readout-item .value{ font-family: var(--font-mono); font-size: 1.35rem; font-weight:600; }
.readout-item.impact .value{ color: var(--teal); }
.readout-item.risk .value{ color: var(--brick); }

@media (prefers-reduced-motion: no-preference){
  .needle{ transition: transform 1.1s cubic-bezier(.2,.9,.25,1); }
}

/* ---------------- STAT STRIP ---------------- */
.stat-strip{
  border-bottom: 1px solid var(--hairline-soft);
  background: var(--bg-panel);
}
.stat-strip .wrap{
  display:grid; grid-template-columns: repeat(3, 1fr);
  padding: 2.2rem 2rem;
}
.stat{
  padding: 0 1.5rem;
  border-left: 1px solid var(--hairline);
}
.stat:first-child{ border-left:none; padding-left:0; }
.stat .stat-value{
  font-family: var(--font-mono); font-size: 1.9rem; font-weight:600;
  color: var(--ink); display:flex; align-items:baseline; gap:0.4rem;
}
.stat .stat-value .unit{ font-size:1rem; color:var(--ink-faint); }
.stat .stat-label{ margin-top:0.4rem; font-size:0.88rem; color: var(--ink-dim); }

/* ---------------- SECTIONS ---------------- */
section.block{ padding: 4.5rem 0; border-bottom: 1px solid var(--hairline-soft); }
section.block:last-of-type{ border-bottom:none; }
.section-head{ max-width: 60ch; margin-bottom: 2.5rem; }
.section-head .eyebrow{ margin-bottom: 0.8rem; }
.section-head h2{ font-size: clamp(1.6rem,2.6vw,2.1rem); color: var(--ink); margin-bottom: 0.8rem; }
.section-head p{ font-size: 1.02rem; }

.prose{ max-width: 66ch; }
.prose p{ font-size: 1.02rem; }

/* ---------------- CARDS / GRIDS ---------------- */
.grid-2{ display:grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3{ display:grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }

.card{
  background: var(--bg-panel);
  border: 1px solid var(--hairline-soft);
  border-radius: 6px;
  padding: 1.8rem;
}
.card h3, .card h4{ color: var(--ink); font-size: 1.08rem; margin-bottom: 0.6rem; }
.card .beta{
  font-family: var(--font-mono); font-size: 0.85rem; color: var(--brass-bright);
  display:block; margin-bottom: 0.5rem;
}

/* pathway flow */
.pathway{
  display:flex; align-items:stretch; gap: 0; flex-wrap:wrap;
  border: 1px solid var(--hairline-soft); border-radius: 6px; overflow:hidden;
}
.pathway .stage{
  flex: 1; min-width: 210px;
  padding: 1.6rem 1.4rem;
  background: var(--bg-panel);
  border-right: 1px solid var(--hairline-soft);
  position: relative;
}
.pathway .stage:last-child{ border-right:none; background: var(--bg-panel-2); }
.pathway .stage .stage-name{ font-family: var(--font-display); font-size:1.05rem; color:var(--ink); margin-bottom:0.5rem; }
.pathway .stage .stage-metric{ font-family: var(--font-mono); font-size:0.82rem; color: var(--brass-bright); }
.pathway .stage .stage-note{ font-size:0.85rem; margin-top:0.5rem; margin-bottom:0; }
.pathway .stage:not(:last-child)::after{
  content:"→";
  position:absolute; right:-0.65rem; top:50%; transform:translateY(-50%);
  color: var(--ink-faint); font-size:1.1rem; z-index:2;
}

/* NPS bars */
.nps-row{ display:grid; grid-template-columns: 1fr 1fr; gap:1.5rem; margin: 1.5rem 0; }
.nps-block{ background: var(--bg-panel); border:1px solid var(--hairline-soft); border-radius:6px; padding:1.6rem; }
.nps-block .nps-label{ font-size:0.85rem; color:var(--ink-dim); margin-bottom:0.6rem; }
.nps-block .nps-num{ font-family: var(--font-mono); font-size:2.1rem; font-weight:600; }
.nps-block.impact .nps-num{ color: var(--teal); }
.nps-block.risk .nps-num{ color: var(--brick); }
.nps-track{ height:6px; border-radius:3px; background: var(--hairline); margin-top:1rem; overflow:hidden; }
.nps-fill{ height:100%; border-radius:3px; }
.nps-block.impact .nps-fill{ background: var(--teal); }
.nps-block.risk .nps-fill{ background: var(--brick); }

/* table */
table.data-table{
  width:100%; border-collapse: collapse; margin: 1.5rem 0 0.5rem;
  font-size: 0.94rem;
}
table.data-table th{
  text-align:left; font-family: var(--font-mono); font-size:0.72rem;
  letter-spacing:0.06em; text-transform:uppercase; color: var(--ink-faint);
  padding: 0.7rem 1rem; border-bottom: 1px solid var(--hairline);
}
table.data-table td{
  padding: 0.9rem 1rem; border-bottom: 1px solid var(--hairline-soft);
  color: var(--ink-dim); vertical-align:top;
}
table.data-table td.metric{ font-family: var(--font-mono); color: var(--brass-bright); white-space:nowrap; }
table.data-table tr:last-child td{ border-bottom:none; }

/* numbered list w/ dial ticks (only used where sequence is real) */
ol.step-list{ list-style:none; margin:0; padding:0; counter-reset: step; }
ol.step-list li{
  counter-increment: step;
  display:flex; gap:1.1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--hairline-soft);
}
ol.step-list li:last-child{ border-bottom:none; }
ol.step-list li::before{
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono); font-size:0.8rem; color: var(--brass-bright);
  padding-top: 0.15rem; flex-shrink:0;
}
ol.step-list li .step-body strong{ color: var(--ink); display:block; margin-bottom:0.2rem; font-family: var(--font-body); }
ol.step-list li .step-body p{ margin:0; font-size:0.94rem; }

/* CTA band */
.cta-band{
  background: var(--bg-panel);
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  padding: 3.5rem 0;
  text-align:center;
}
.cta-band h2{ font-size: clamp(1.5rem,3vw,2rem); margin-bottom:0.9rem; color:var(--ink); }
.cta-band p{ max-width:52ch; margin:0 auto 1.6rem; }
.cta-band .hero-ctas{ justify-content:center; }

/* footer */
footer.site-footer{ padding: 3rem 0; }
footer.site-footer .wrap{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem;
}
footer.site-footer .foot-brand{ display:flex; align-items:center; gap:0.6rem; font-family:var(--font-display); }
footer.site-footer .foot-brand .mini-dial{ width:20px; height:20px; }
footer.site-footer p{ margin:0; font-size:0.85rem; }
footer.site-footer .foot-links{ display:flex; gap:1.5rem; }
footer.site-footer .foot-links a{ font-size:0.85rem; color:var(--ink-dim); text-decoration:none; }
footer.site-footer .foot-links a:hover{ color: var(--brass-bright); }

/* page header (non-home pages) */
.page-header{ padding: 3.2rem 0 2.5rem; border-bottom: 1px solid var(--hairline-soft); }
.page-header h1{ font-size: clamp(2rem,3.6vw,2.7rem); color:var(--ink); margin-bottom:0.8rem; }
.page-header p{ max-width: 58ch; font-size:1.02rem; }

.methodology-def dt{ font-family:var(--font-mono); color:var(--brass-bright); font-size:0.9rem; margin-top:1.1rem; }
.methodology-def dd{ margin:0.3rem 0 0; color:var(--ink-dim); }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 880px){
  .hero .wrap{ grid-template-columns: 1fr; }
  .stat-strip .wrap{ grid-template-columns: 1fr; gap: 1.5rem; }
  .stat{ border-left:none; padding-left:0; border-top:1px solid var(--hairline); padding-top:1.2rem; }
  .stat:first-child{ border-top:none; padding-top:0; }
  .grid-2, .grid-3{ grid-template-columns: 1fr; }
  .nps-row{ grid-template-columns: 1fr; }
  .pathway{ flex-direction:column; }
  .pathway .stage{ border-right:none; border-bottom:1px solid var(--hairline-soft); }
  .pathway .stage:not(:last-child)::after{ content:"↓"; right:auto; left:1.4rem; top:auto; bottom:-0.75rem; transform:none; }
  .nav-links{ display:none; }
  footer.site-footer .wrap{ flex-direction:column; align-items:flex-start; }
}