:root {
  --blue: #0294FF;
  --yellow: #FEC601;
  --green: #02EC75;
  --charcoal: #333333;
  --gray: #6A6B6B;
  --white: #FFFFFF;
  --paper: #FEFEFD;
  --dark: #1A1A2E;
  --blue-light: #D8EBFA;
  --green-light: #D8F8E4;
  --yellow-light: #FBF5DA;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Kanit', system-ui, -apple-system, sans-serif;
  color: var(--charcoal);
  background: var(--paper);
  line-height: 1.5;
}

/* Header / Hero */
.hero {
  background: var(--paper);
  padding: 4rem 2rem 3rem;
  text-align: center;
  border-bottom: 1px solid #eee;
}
.hero .eyebrow {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: -0.03em;
  line-height: 1.0;
  color: var(--charcoal);
}
.hero h1 .b { color: var(--charcoal); font-style: normal; }
.hero h1 .y { color: #b48a00; font-style: normal; }
.hero h1 .g { color: #0a6e3a; font-style: normal; }
.hero .sub {
  margin-top: 1.5rem;
  font-size: 1.3rem;
  color: var(--charcoal);
  opacity: 0.85;
}
.hero .audience {
  margin-top: 0.5rem;
  font-size: 1rem;
  color: var(--gray);
}
.hero .cta {
  margin-top: 2.5rem;
  display: inline-flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.btn {
  display: inline-block;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.btn-primary { background: var(--charcoal); color: var(--white); }
.btn-secondary { background: white; color: var(--charcoal); border: 1px solid var(--charcoal); }
.btn-tertiary { background: #f5f7fa; color: var(--charcoal); }

/* Quick stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.8rem;
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 2rem;
}
.stat {
  border-radius: 16px;
  padding: 1.5rem;
  text-align: center;
}
.stat .n {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 2.6rem;
  line-height: 1;
}
.stat .l {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  opacity: 0.85;
}
.s-blue { background: white; color: var(--charcoal); border: 1px solid #e9eaec; border-top: 2px solid #1a4d80; }
.s-yellow { background: white; color: var(--charcoal); border: 1px solid #e9eaec; border-top: 2px solid #b48a00; }
.s-green { background: white; color: var(--charcoal); border: 1px solid #e9eaec; border-top: 2px solid #2d5a3d; }
.s-red { background: white; color: #c43c3c; border: 1px solid #e9eaec; border-top: 2px solid #c43c3c; }

/* The thesis */
.thesis {
  max-width: 900px;
  margin: 4rem auto;
  padding: 0 2rem;
  text-align: center;
}
.thesis h2 {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--charcoal);
}
.thesis h2 em {
  font-style: normal;
  color: var(--charcoal);
}
.thesis .y { color: #b48a00; }
.thesis .g { color: #0a6e3a; }
.thesis .lead {
  margin-top: 1.5rem;
  font-size: 1.2rem;
  color: var(--gray);
}

/* The 3 pillars */
.pillars {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
}
.pillars .h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--charcoal);
}
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.pillar {
  border-radius: 20px;
  padding: 2rem 1.6rem;
}
.pillar .tag {
  display: inline-block;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.85);
}
.pillar h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  margin-top: 1rem;
  line-height: 1.1;
}
.pillar p {
  margin-top: 0.8rem;
  font-size: 0.98rem;
  line-height: 1.5;
  opacity: 0.95;
}
.p-aio { background: white; color: var(--charcoal); border: 1px solid #e9eaec; border-left: 3px solid #2d5a3d; }
.p-geo { background: white; color: var(--charcoal); border: 1px solid #e9eaec; border-left: 3px solid #b48a00; }
.p-aeo { background: white; color: var(--charcoal); border: 1px solid #e9eaec; border-left: 3px solid var(--charcoal); }

/* Panorama audit snapshot */
.audit {
  max-width: 1100px;
  margin: 4rem auto;
  padding: 2.5rem 2rem;
  background: var(--charcoal);
  color: var(--white);
  border-radius: 24px;
}
.audit .h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
  text-align: center;
  color: var(--white);
}
.audit .sub {
  text-align: center;
  color: var(--gray);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}
.audit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.audit-list { list-style: none; }
.audit-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid #444;
  font-size: 1rem;
}
.audit-list li:last-child { border-bottom: none; }
.audit-list .ok { color: #0a6e3a; font-weight: 700; }
.audit-list .bad { color: #ff7070; font-weight: 700; }

/* Roadmap */
.roadmap {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 0 2rem;
}
.roadmap .h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  text-align: center;
  margin-bottom: 2rem;
  color: var(--charcoal);
}
.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.quarter {
  border-radius: 14px;
  padding: 1.2rem 1.2rem;
  border-top: 2px solid #1a4d80;
  background: white;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.quarter h4 {
  color: var(--charcoal);
  margin: 0 0 0.3rem;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: 'Outfit', sans-serif;
}
.quarter h4.q2 { color: #0a6e3a; }
.quarter h4.q3 { color: #b48a00; }
.quarter h4.q4 { color: var(--charcoal); }
.quarter .t {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}
.quarter ul {
  list-style: none;
  font-size: 0.85rem;
  line-height: 1.45;
}
.quarter ul li { padding: 0.15rem 0; color: var(--gray); }
.quarter ul li::before { content: "→ "; color: var(--charcoal); }

/* Full deck viewer */
.viewer {
  max-width: 1400px;
  margin: 4rem auto;
  padding: 0 2rem;
}
.viewer .h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--charcoal);
}
.viewer .sub {
  text-align: center;
  color: var(--gray);
  margin-bottom: 2rem;
}

/* ===== SLIDE FRAMEWORK ===== */
/* Restrained, professional tone: white/charcoal/light-gray surface, single accent
   for highlights. No saturated brand backgrounds on cards or sections. */

.slide-block {
  max-width: 1100px;
  margin: 2.5rem auto;
  padding: 0 2rem;
  position: relative;
}

.slide {
  border-radius: 12px;
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid #e9eaec;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
  min-height: 520px;
  display: flex;
  flex-direction: column;
}
.slide .slide-num {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.slide .slide-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  margin-bottom: 1rem;
}
.slide .slide-sub {
  font-size: 1rem;
  color: var(--gray);
  line-height: 1.55;
  margin-bottom: 1.5rem;
}
.slide .slide-body {
  font-size: 0.98rem;
  line-height: 1.6;
  color: var(--charcoal);
  flex: 1;
}
.slide .slide-foot {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid #eef0f2;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6a6b6b;
}

/* Section divider slides  -  muted, not stark */
.slide-divider {
  background: #fafbfc;
  color: var(--charcoal);
  text-align: center;
  align-items: center;
  justify-content: center;
  min-height: 460px;
  border: 1px solid #e9eaec;
}
.slide-divider .slide-num {
  color: var(--gray);
  font-size: 0.85rem;
}
.slide-divider .slide-title {
  color: var(--charcoal);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.slide-divider .slide-sub {
  color: var(--gray);
  font-size: 1.1rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
.slide-divider .slide-foot {
  color: #8a8c90;
  border-top-color: #eef0f2;
}
.slide-divider .huge-num {
  position: absolute;
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 16rem;
  color: rgba(20, 20, 30, 0.04);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  line-height: 1;
  pointer-events: none;
}

/* Cover slide */
.slide-cover {
  background: var(--white);
  color: var(--charcoal);
  text-align: center;
  align-items: center;
  justify-content: center;
  padding: 4rem 2.5rem;
  min-height: 520px;
  position: relative;
  overflow: hidden;
  border: 1px solid #e9eaec;
}
.slide-cover .slide-title {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
}
.slide-cover .slide-sub {
  font-size: 1.05rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: var(--gray);
}
.slide-cover .slide-photo {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 60%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  z-index: 0;
  mask-image: linear-gradient(to right, transparent, black 30%);
  filter: grayscale(0.3);
}
.slide-cover > * { position: relative; z-index: 1; }

/* Comparison slides (old vs new, etc.) */
.slide-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  flex: 1;
}
.compare-card {
  border-radius: 10px;
  padding: 1.4rem;
  border: 1px solid #e9eaec;
  background: white;
}
.compare-card.muted {
  background: #ffffff;
  border-color: #d8dce0;
  border-left: 3px solid #8a8c92;
}
.compare-card.brand {
  background: white;
  border-color: #d8dce0;
  border-left: 3px solid var(--charcoal);
}
.compare-card h4 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 0.8rem;
  letter-spacing: -0.005em;
}
.compare-card.muted h4 { color: var(--charcoal); }
.compare-card.brand h4 { color: var(--charcoal); }
.compare-card ul { padding-left: 1.2rem; line-height: 1.55; margin: 0; color: #2a2a2a; }
.compare-card.muted ul { color: #2a2a2a; }
.compare-card ul li { margin: 0.35rem 0; }

/* Stat cards  -  flat, professional, no saturated fills */
.slide-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.8rem;
  margin: 1.5rem 0;
}
.slide-stat {
  border-radius: 8px;
  padding: 1.1rem 1rem;
  text-align: left;
  background: white;
  border: 1px solid #e9eaec;
  border-top: 2px solid var(--charcoal);
}
.slide-stat.alert {
  border-top-color: #c43c3c;
}
.slide-stat.accent {
  border-top-color: #1a4d80;
}
.slide-stat .n {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--charcoal);
  letter-spacing: -0.02em;
}
.slide-stat.alert .n { color: #c43c3c; }
.slide-stat.accent .n { color: #1a4d80; }
.slide-stat .l {
  font-size: 0.75rem;
  color: var(--gray);
  margin-top: 0.4rem;
  line-height: 1.3;
  font-weight: 500;
}

/* Bar chart (used in slide 17 research data) */
.slide-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0.6rem 0;
  font-size: 0.92rem;
}
.slide-bar .lbl {
  width: 200px;
  font-size: 0.88rem;
  color: var(--charcoal);
  font-weight: 500;
}
.slide-bar .bar-track {
  flex: 1;
  height: 12px;
  background: #eef0f2;
  border-radius: 4px;
  overflow: hidden;
}
.slide-bar .bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.8s ease;
  background: #2c3e50;
}
.slide-bar .bar-fill.accent { background: #1a4d80; }
.slide-bar .pct {
  width: 50px;
  text-align: right;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--charcoal);
}

/* Detail bullet rows */
.slide-bullets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.slide-bullet {
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
  border: 1px solid #e9eaec;
  background: white;
  border-left: 3px solid var(--charcoal);
}
.slide-bullet h4 {
  margin: 0 0 0.5rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--charcoal);
}
.slide-bullet p { font-size: 0.88rem; line-height: 1.5; color: #4a4a4a; margin: 0; }

/* Pillar treatment (for AIO/GEO/AEO detail slides)  -  single color, use icons */
.slide-pillar {
  background: white;
  border-left: 3px solid var(--charcoal);
}
.slide-pillar .pillar-tag {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  background: var(--charcoal);
  color: white;
}
.slide-pillar .pillar-example {
  margin-top: 1.5rem;
  background: #f7f8f9;
  border: 1px solid #e9eaec;
  color: var(--charcoal);
  border-radius: 8px;
  padding: 1.4rem;
}
.slide-pillar .pillar-example .label {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

/* Print stylesheet  -  each slide is one page */
@media print {
  body { background: white; }
  .hero, .stats, .thesis, .pillars, .audit, .roadmap, .foot { page-break-after: always; }
  .slide-block { page-break-after: always; margin: 0; padding: 0; max-width: 100%; }
  .slide {
    box-shadow: none;
    border-radius: 0;
    min-height: 90vh;
    page-break-inside: avoid;
  }
  .btn, .cta { display: none; }
}

/* Remove the legacy slideshow grid styles - slides are now real sections */
.slideshow { display: none; }
.slide-card { display: none; }
.slide-card img { display: none; }
.slide-card .label { display: none; }

/* ===== SLIDE VIEWER (single-page presentation) ===== */
.slide-viewer {
  max-width: 1180px;
  margin: 3rem auto;
  padding: 0 2rem;
}
.slide-viewer-header {
  text-align: center;
  margin-bottom: 1.5rem;
}
.slide-viewer-header h2 {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.8rem;
  margin: 0 0 0.4rem;
  color: var(--charcoal);
  letter-spacing: -0.01em;
}
.slide-viewer-header p {
  color: var(--gray);
  font-size: 0.95rem;
  margin: 0;
}

.slide-stage {
  position: relative;
  min-height: 620px;
  margin: 0 auto 1.5rem;
}
.slide-stage .slide-block {
  display: none;
  margin: 0;
  padding: 0;
  max-width: 100%;
  animation: slideFade 0.35s ease;
}
.slide-stage .slide-block.active {
  display: block;
}
@keyframes slideFade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: white;
  border: 1px solid #e9eaec;
  border-radius: 10px;
  position: sticky;
  bottom: 1.5rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  z-index: 50;
}
.slide-nav .nav-btn {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.65rem 1.3rem;
  border-radius: 8px;
  border: 1px solid #d8dce0;
  background: white;
  color: var(--charcoal);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: background 0.15s, border-color 0.15s;
}
.slide-nav .nav-btn:hover:not(:disabled) {
  background: #f5f7fa;
  border-color: #b6b8bc;
}
.slide-nav .nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.slide-nav .nav-btn.primary {
  background: var(--charcoal);
  color: white;
  border-color: var(--charcoal);
}
.slide-nav .nav-btn.primary:hover:not(:disabled) {
  background: #1a1a2e;
}
.slide-nav .nav-btn.download {
  background: white;
  color: var(--charcoal);
  border-color: var(--charcoal);
}
.slide-nav .slide-counter {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--gray);
  letter-spacing: 0.05em;
}
.slide-nav .slide-counter .num {
  color: var(--charcoal);
  font-weight: 800;
}
.slide-nav .progress {
  flex: 1;
  height: 4px;
  background: #eef0f2;
  border-radius: 4px;
  overflow: hidden;
  max-width: 240px;
}
.slide-nav .progress-fill {
  height: 100%;
  background: var(--charcoal);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* TOC inside viewer (jumps to slide) */
.slide-toc {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.5rem;
  margin-top: 1rem;
}
.slide-toc-btn {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  font-size: 0.85rem;
  text-align: left;
  padding: 0.6rem 0.9rem;
  background: white;
  border: 1px solid #e9eaec;
  border-radius: 6px;
  color: var(--charcoal);
  cursor: pointer;
  transition: background 0.15s;
}
.slide-toc-btn:hover { background: #f5f7fa; }
.slide-toc-btn .n {
  color: var(--gray);
  font-weight: 700;
  margin-right: 0.5rem;
}
.slide-toc-btn.current {
  background: var(--charcoal);
  color: white;
  border-color: var(--charcoal);
}
.slide-toc-btn.current .n { color: rgba(255,255,255,0.7); }

.toc-toggle-row {
  text-align: center;
  margin-top: 1rem;
}
.toc-toggle {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.2rem;
  background: white;
  border: 1px solid #d8dce0;
  border-radius: 6px;
  color: var(--gray);
  cursor: pointer;
}
.toc-toggle:hover { color: var(--charcoal); }
#slide-toc-panel { display: none; }
#slide-toc-panel.open { display: block; }

/* Fullscreen viewer mode */
.fullscreen-shell {
  position: fixed;
  inset: 0;
  background: #0d0d12;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  padding: 1rem 2rem 1rem;
  overflow: hidden;
}
.fullscreen-shell .fs-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 1rem;
}
.fullscreen-shell .fs-header .esc-hint { opacity: 0.5; font-size: 0.78rem; }
.fullscreen-shell .slide-stage {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
}
.fullscreen-shell .slide-block.active {
  width: 100%;
  max-width: 1400px;
}
.fullscreen-shell .slide-block.active .slide {
  max-height: calc(100vh - 220px);
  overflow: auto;
}
.fullscreen-shell .slide-nav {
  position: static;
  margin-top: 1rem;
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.1);
  color: white;
}
.fullscreen-shell .slide-nav .nav-btn {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
  color: white;
}
.fullscreen-shell .slide-nav .nav-btn:hover:not(:disabled) {
  background: rgba(255,255,255,0.12);
}
.fullscreen-shell .slide-nav .nav-btn.primary {
  background: white;
  color: #0d0d12;
  border-color: white;
}
.fullscreen-shell .slide-nav .slide-counter { color: rgba(255,255,255,0.7); }
.fullscreen-shell .slide-nav .slide-counter .num { color: white; }
.fullscreen-shell .slide-nav .progress { background: rgba(255,255,255,0.1); }
.fullscreen-shell .slide-nav .progress-fill { background: white; }
.fullscreen-shell .toc-toggle { display: none; }
.fullscreen-shell #slide-toc-panel { display: none !important; }
body.fs-locked { overflow: hidden; }


/* ===== THE PROBLEM IN NUMBERS (intro proof section) ===== */
.problem {
  max-width: 1200px;
  margin: 4rem auto;
  padding: 3rem 2rem;
  background: white;
  border: 1px solid #e9eaec;
  border-radius: 14px;
}
.problem-head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 2.5rem;
}
.problem-eyebrow {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 0.8rem;
}
.problem-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--charcoal);
  margin: 0 0 1rem;
}
.problem-sub {
  font-size: 1rem;
  color: var(--gray);
  line-height: 1.55;
  margin: 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.problem-card {
  border: 1px solid #e9eaec;
  border-radius: 12px;
  background: white;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}
.problem-card-wide {
  grid-column: 1 / -1;
}
.problem-card-head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid #eef0f2;
}
.problem-num {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--charcoal);
  letter-spacing: -0.02em;
}
.problem-card-head h3 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--charcoal);
  margin: 0;
  letter-spacing: -0.005em;
}
.problem-card-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.problem-card-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}
.problem-image {
  display: block;
  border: 1px solid #eef0f2;
  border-radius: 8px;
  overflow: hidden;
  background: #fafbfc;
  transition: opacity 0.15s ease;
}
.problem-image:hover {
  opacity: 0.85;
}
.problem-image img {
  display: block;
  width: 100%;
  height: auto;
}
.problem-image-tall img {
  max-height: 480px;
  object-fit: contain;
  object-position: top;
}
.problem-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.problem-plan-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.problem-stat {
  border-radius: 8px;
  padding: 0.9rem 0.8rem;
  border: 1px solid #e9eaec;
  border-left: 3px solid var(--charcoal);
  background: white;
}
.problem-stat .n {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--charcoal);
  line-height: 1;
  letter-spacing: -0.02em;
}
.problem-stat .n span {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray);
  margin-left: 0.1rem;
}
.problem-stat .l {
  font-size: 0.72rem;
  color: var(--gray);
  margin-top: 0.4rem;
  line-height: 1.3;
  font-weight: 500;
}
.problem-caption {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #4a4a4a;
  margin: 0;
}
.problem-foot {
  margin-top: 2rem;
  padding: 1.4rem 1.6rem;
  border-radius: 10px;
  background: #f7f8f9;
  border: 1px solid #e9eaec;
  border-left: 3px solid var(--charcoal);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--charcoal);
}

@media (max-width: 880px) {
  .problem-grid { grid-template-columns: 1fr; }
  .problem-card-split { grid-template-columns: 1fr; }
}


@media (max-width: 640px) {
  .slide-nav {
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem;
  }
  .slide-nav .progress { display: none; }
  .slide-nav .slide-counter { order: -1; flex: 1 0 100%; text-align: center; }
}


/* Footer */
.foot {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--charcoal);
  color: var(--white);
  margin-top: 4rem;
}
.foot .brand {
  font-family: 'Outfit', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: -0.02em;
  color: var(--white);
}
.foot .brand .b { color: var(--charcoal); }
.foot .brand .y { color: #b48a00; }
.foot .brand .g { color: #0a6e3a; }
.foot .tag {
  margin-top: 0.5rem;
  color: var(--gray);
  font-size: 0.9rem;
}
.foot .contact {
  margin-top: 1.5rem;
  font-size: 0.95rem;
  color: var(--gray);
}
.foot .contact a { color: var(--charcoal); text-decoration: none; }

@media (max-width: 720px) {
  .audit-grid { grid-template-columns: 1fr; }
  .hero { padding: 2.5rem 1.5rem; }
}