/* ===== Design tokens (match your main site) ===== */
:root{
  --brand: #00CDAC;
  --ink: #1e1e1e;
  --ink-muted: #5a5a5a;
  --brand-strong: color-mix(in srgb, var(--brand) 85%, black);
  --bg-soft: color-mix(in srgb, var(--brand) 6%, white);
}

html, body{ height:100%; }
body, h1, h2, h3, h4, h5, h6{ font-family:"Raleway",sans-serif; }

body{
  line-height: 1.8;
  color: var(--ink);
  background: #f3fbf9;
  background: var(--bg-soft);
}

a{ text-decoration: none; }
.brand-heading{ color: var(--brand-strong); }
.muted{ color: var(--ink-muted); }

/* ===== Nav ===== */
.nav-brand{
  background-color: var(--brand);
  color: #fff;
}
.nav-link{ color:#fff !important; }
.w3-bar .w3-button{ padding: 16px; }

/* ===== Layout ===== */
.page{ padding-top: 84px; padding-bottom: 40px; }
.section{ padding: 22px 12px; }
.section-header{ margin: 18px 0 16px; }
.section-title{ margin: 0; font-weight: 800; }
.section-kicker{ margin: 6px 0 0; color: var(--ink-muted); }

/* ===== Hero ===== */
.hero{
  padding-top: 96px;
  padding-bottom: 28px;
}
.hero-card{
  background: #fff;
  border-radius: 16px;
  padding: 26px 24px;
  box-shadow: 0 10px 26px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.05);
}
.hero-eyebrow{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.pill{
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.04);
  color: var(--ink);
  font-size: 13px;
}
.hero-title{
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  margin: 0 0 10px;
}
.hero-subtitle{
  margin: 0 0 18px;
  color: var(--ink-muted);
  font-size: 16px;
}
.hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* ===== Components ===== */
.card{
  background: #fff;
  border-radius: 14px;
  padding: 18px 18px;
  border: 1px solid rgba(0,0,0,0.06);
  box-shadow: 0 8px 22px rgba(0,0,0,0.05);
  margin-bottom: 16px;
}
.card-title{
  margin: 0 0 10px;
  font-weight: 800;
}
.checklist{
  margin: 10px 0 0;
  padding-left: 0;
  list-style: none;
}
.checklist li{
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin: 8px 0;
}
.checklist i{ color: var(--brand-strong); margin-top: 2px; }

/* Brand buttons */
.brand-btn{
  background-color: var(--brand);
  color: #fff;
}
.brand-btn:hover{ filter: brightness(0.95); }

/* ===== Diagram ===== */
.diagram{ overflow-x: auto; }
.diagram-row{
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 10px;
  align-items: stretch;
}
@media (max-width: 900px){
  .diagram-row{
    grid-template-columns: 1fr;
  }
  .arrow{ display:none; }
}
.node{
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.08);
  padding: 14px 14px;
  background: rgba(0,0,0,0.02);
}
.node-title{ font-weight: 900; margin-bottom: 4px; }
.node-sub{ color: var(--ink-muted); font-size: 14px; }

.arrow{
  display: grid;
  place-items: center;
  color: var(--ink-muted);
  font-size: 20px;
}

.diagram-legend{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  color: var(--ink-muted);
  font-size: 14px;
}
.legend-item{
  display: inline-flex;
  gap: 8px;
  align-items: center;
}
.dot{
  width: 10px; height: 10px; border-radius: 99px; display: inline-block;
}
.dot-brand{ background: var(--brand); }
.dot-ink{ background: rgba(0,0,0,0.45); }
.dot-warn{ background: #f1b500; }

/* ===== Accordion ===== */
.accordion{
  width: 100%;
  text-align: left;
  padding: 14px 14px;
  margin: 0 0 10px;
  border-radius: 14px;
  border: 1px solid rgba(0,0,0,0.08);
  background: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 800;
}
.panel{
  display: none;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 14px;
  padding: 14px 14px;
  margin: 0 0 16px;
}
.bullets{ margin: 0; padding-left: 18px; }
.bullets li{ margin: 8px 0; color: var(--ink); }

/* ===== Callout ===== */
.callout{
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
}
.callout-icon{
  width: 44px; height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(0,0,0,0.05);
  color: var(--brand-strong);
}
.callout-title{ font-weight: 900; margin-bottom: 6px; }
.callout-text{ margin: 0; color: var(--ink-muted); }

/* ===== Metrics ===== */
.metric{ text-align: left; }
.metric-value{
  font-size: 34px;
  font-weight: 900;
  color: var(--brand-strong);
  line-height: 1;
}
.metric-label{ font-weight: 900; margin-top: 8px; }

/* ===== Tags ===== */
.tag-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag{
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.04);
  color: var(--ink);
  font-size: 14px;
}
/* =========================
   Case Study Layout
   ========================= */

.caseIntro{
  padding: 52px 0 32px;
}

.caseIntro__layout{
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.15fr);
  gap: 24px;
  align-items: flex-start;
}

.caseIntro__eyebrow{
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}

.caseIntro h1{
  margin: 0 0 10px;
  font-size: clamp(30px, 3.1vw, 40px);
  letter-spacing: -0.4px;
  color: color-mix(in srgb, var(--brand) 82%, black);
}

.caseIntro__tagline{
  font-size: 15px;
  font-weight: 700;
  color: rgba(16,19,20,0.68);
  margin-bottom: 14px;
}

.caseIntro__card{
  /* Slightly denser card for this layout */
}

.caseIntro__meta{
  display: grid;
  gap: 8px;
  font-size: 13px;
}

.caseIntro__metaRow{
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.caseIntro__metaLabel{
  font-weight: 900;
  color: rgba(16,19,20,0.60);
  white-space: nowrap;
}

.caseIntro__metaValue{
  font-weight: 800;
  color: rgba(16,19,20,0.82);
  text-align: right;
}

.caseIntro__actions{
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* Generic case sections */

.caseSection{
  padding: 40px 0;
}

.caseSection + .caseSection{
  border-top: 1px solid var(--line);
}

.caseSection__header{
  margin-bottom: 16px;
}

.caseSection__header h2{
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: -0.1px;
  color: color-mix(in srgb, var(--brand) 78%, black);
}

.caseSection__header p{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

/* Columns for narrative sections */

.caseColumns{
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.4fr);
  gap: 20px;
  align-items: flex-start;
}

/* Mode grid (operating modes) */

.modeGrid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

/* Impact metrics */

.metricGrid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.80);
  padding: 14px 14px;
}

.metric__label{
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(16,19,20,0.58);
  font-weight: 900;
  margin-bottom: 4px;
}

.metric__value{
  font-size: 16px;
  font-weight: 900;
  color: color-mix(in srgb, var(--brand) 80%, black);
  margin-bottom: 4px;
}

.metric__note{
  font-size: 13px;
  color: rgba(16,19,20,0.72);
}

/* Optional inline tag style if you want to label things */
.inlineTag{
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.75);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(16,19,20,0.70);
}

/* Responsive tuning for case study layout */

@media (max-width: 980px){
  .caseIntro__layout{
    grid-template-columns: 1fr;
  }

  .caseColumns{
    grid-template-columns: 1fr;
  }

  .modeGrid{
    grid-template-columns: 1fr;
  }

  .metricGrid{
    grid-template-columns: 1fr;
  }
}

/* ===== Footer ===== */
.footer{
  background: var(--brand);
  color: #fff;
  padding: 18px 12px;
  margin-top: 20px;
}
.footer-row{
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  align-items: center;
}
.footer-title{ font-weight: 900; font-size: 16px; }
.footer-sub{ opacity: 0.95; font-size: 14px; }
.footer-links a{
  color: #fff;
  margin-left: 12px;
  font-size: 20px;
}