/* ══════════════════════════════════════════════════════════
   HELIUM AI — UK MARKET PITCH · UTILITY WAREHOUSE
   Palette: Professional Light — Warm White + Slate + Blue
   5 Slides: Opening · UK Opportunity · Business Case · Platform · Why Helium Wins
   ══════════════════════════════════════════════════════════ */

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

:root {
  /* Backgrounds */
  --bg-base:      #F7F6F3;   /* warm off-white — main slide bg */
  --bg-alt:       #F0EEE9;   /* slightly deeper — alternate slides */
  --bg-card:      #FFFFFF;   /* pure white cards */
  --bg-card-alt:  #F4F2EE;   /* tinted card */

  /* Borders */
  --border:       rgba(30,30,40,0.09);
  --border-2:     rgba(30,30,40,0.15);
  --border-3:     rgba(30,30,40,0.22);

  /* Text */
  --ink:          #1A1A2A;   /* near-black — headings */
  --ink-70:       rgba(26,26,42,0.70);
  --ink-45:       rgba(26,26,42,0.45);
  --ink-25:       rgba(26,26,42,0.25);

  /* Brand blue */
  --blue:         #0055E5;
  --blue-mid:     #1A6BFF;
  --blue-light:   #3D82FF;
  --blue-bg:      rgba(0,85,229,0.06);
  --blue-border:  rgba(0,85,229,0.22);

  /* Accent colours (for table rows) */
  --green:        #16A34A;
  --green-bg:     rgba(22,163,74,0.07);
  --purple:       #7C3AED;
  --purple-bg:    rgba(124,58,237,0.07);
  --gold:         #B45309;
  --gold-bg:      rgba(180,83,9,0.07);

  /* Typography */
  --serif:        'Instrument Serif', Georgia, serif;
  --sans:         'Manrope', system-ui, sans-serif;
  --ease:         cubic-bezier(0.16, 1, 0.3, 1);
  --radius:       8px;
  --radius-lg:    12px;
}

html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: var(--bg-base);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ══════════════════════════════════════════════════════════
   CHROME — Progress, Counter, Nav
   ══════════════════════════════════════════════════════════ */
.progress-bar {
  position: fixed; top: 0; left: 0; height: 3px; z-index: 200;
  background: linear-gradient(90deg, var(--blue) 0%, var(--blue-light) 100%);
  width: 25%;
  transition: width 0.65s var(--ease);
}

.slide-counter {
  position: fixed; top: 22px; right: 32px; z-index: 200;
  display: flex; align-items: center; gap: 4px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em;
  color: var(--ink-25);
}
.slide-counter #currentSlide { color: var(--ink); }
.slide-counter .divider { color: var(--ink-25); }

.nav-dots {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  z-index: 200; display: flex; gap: 8px; align-items: center;
  background: rgba(247,246,243,0.9); backdrop-filter: blur(12px);
  border: 1px solid var(--border-2); border-radius: 20px;
  padding: 8px 14px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
.dot {
  width: 6px; height: 6px; border-radius: 50%; border: none;
  background: var(--ink-25); cursor: pointer; padding: 0;
  transition: all 0.3s var(--ease);
}
.dot.active { background: var(--blue); width: 22px; border-radius: 3px; }
.dot:hover:not(.active) { background: var(--ink-45); }

.nav-arrow {
  position: fixed; top: 50%; transform: translateY(-50%); z-index: 200;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border-2);
  background: rgba(247,246,243,0.9); backdrop-filter: blur(12px);
  color: var(--ink-45); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.22s var(--ease);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.nav-arrow:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-bg); }
.nav-prev { left: 20px; }
.nav-next { right: 20px; }
.nav-arrow:disabled { opacity: 0.2; pointer-events: none; }

.keyboard-hint {
  position: fixed; bottom: 24px; right: 28px; z-index: 200;
  display: flex; align-items: center; gap: 4px;
  font-size: 10px; font-weight: 600; color: var(--ink-25);
  opacity: 1; transition: opacity 1.2s ease;
}
.keyboard-hint.hidden { opacity: 0; pointer-events: none; }
kbd {
  font-family: var(--sans); font-size: 10px; font-weight: 700;
  color: var(--ink-45); border: 1px solid var(--border-2);
  border-radius: 4px; padding: 2px 6px; background: var(--bg-card);
}

.slide-label {
  position: absolute; bottom: 24px; left: 32px;
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-25);
}

/* ══════════════════════════════════════════════════════════
   LOGO WATERMARK — appears on every slide (top-left)
   ══════════════════════════════════════════════════════════ */
.slide-logo {
  position: absolute; top: 22px; left: 32px; z-index: 50;
  display: flex; align-items: center; gap: 10px;  /* +10% from 9px */
  opacity: 0.55;
}
.slide-logo img {
  height: 24px; width: auto; display: block;       /* +10% from 22px */
  filter: grayscale(1) contrast(1.2);
  object-fit: contain;
}
.slide-logo-text {
  display: flex; flex-direction: column; gap: 1px;
}
.slide-logo-name {
  font-size: 12.1px; font-weight: 800; letter-spacing: 0.2em; /* +10% from 11px */
  color: var(--ink); line-height: 1;
}
.slide-logo-sub {
  font-size: 9.35px; font-weight: 500; letter-spacing: 0.08em; /* +10% from 8.5px */
  color: var(--ink-45);
}

/* ══════════════════════════════════════════════════════════
   DECK SYSTEM
   ══════════════════════════════════════════════════════════ */
.deck { position: relative; width: 100vw; height: 100vh; overflow: hidden; }

.slide {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  opacity: 0; pointer-events: none;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transform: translateX(40px);
}
.slide.active   { opacity: 1; pointer-events: all; transform: translateX(0); }
.slide.exit-left { opacity: 0; transform: translateX(-40px); pointer-events: none; }

.slide-inner {
  position: relative; z-index: 10;
  width: 100%; max-width: 1280px;
  padding: 0 64px;
}

/* ══════════════════════════════════════════════════════════
   BACKGROUNDS — subtle, professional
   ══════════════════════════════════════════════════════════ */
.slide-1 { background: var(--bg-base); }
.slide-2 { background: var(--bg-alt); }
.slide-3 { background: var(--bg-base); }
.slide-4 { background: var(--bg-alt); }
.slide-5 { background: var(--bg-base); }

/* Subtle top-edge rule */
.slide::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue) 0%, transparent 60%);
  opacity: 0.18;
}

/* Faint dot grid */
.bg-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle, rgba(26,26,42,0.12) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.5;
}

/* Subtle blue accent glow — very faint on light bg */
.bg-glow {
  position: absolute; border-radius: 50%;
  filter: blur(120px); pointer-events: none;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,85,229,0.06) 0%, transparent 70%);
}
.bg-glow--left   { top: 50%; left: -200px;  transform: translateY(-50%); }
.bg-glow--right  { top: 50%; right: -200px; transform: translateY(-50%); }
.bg-glow--center { top: 50%; left: 50%;     transform: translate(-50%, -50%); opacity: 0.8; }

/* ══════════════════════════════════════════════════════════
   SHARED TYPOGRAPHY
   ══════════════════════════════════════════════════════════ */
.eyebrow {
  font-size: 10px; font-weight: 800; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 10px;
}
.slide-headline {
  font-family: var(--serif); font-size: clamp(26px, 2.8vw, 40px);
  font-weight: 400; line-height: 1.1; color: var(--ink); margin-bottom: 0;
}
.slide-headline em {
  font-style: italic; color: var(--blue-mid);
}

/* ══════════════════════════════════════════════════════════
   SLIDE 1 — HERO
   ══════════════════════════════════════════════════════════ */
.s1-layout {
  display: grid; grid-template-columns: 1.2fr 0.8fr;
  gap: 52px; align-items: center;
}

/* Brand row — large logo on hero slide */
.brand-row { display: flex; align-items: center; gap: 15px; margin-bottom: 32px; } /* gap +10% from 14px */
.brand-logo-img { height: 40px; width: auto; display: block; object-fit: contain; } /* +10% from 36px */
.brand-logo-fallback { display: flex; align-items: center; gap: 10px; }
/* New text block shown alongside the logo image */
.brand-text-block { display: flex; flex-direction: column; gap: 2px; }
.brand-name { font-size: 16.5px; font-weight: 800; letter-spacing: 0.24em; color: var(--ink); line-height: 1; } /* +10% from 15px */
.brand-sub  { font-size: 10.45px; font-weight: 500; letter-spacing: 0.1em; color: var(--ink-45); } /* +10% from 9.5px */
.conf-pill  {
  font-size: 8.5px; font-weight: 700; letter-spacing: 0.12em;
  color: var(--ink-45); border: 1px solid var(--border-2);
  border-radius: 20px; padding: 3px 10px; margin-left: 4px;
  background: var(--bg-card);
}

.s1-eyebrow { font-size: 10px; font-weight: 600; letter-spacing: 0.12em; color: var(--blue); margin-bottom: 14px; }

.s1-headline {
  font-family: var(--serif);
  font-size: clamp(48px, 6vw, 82px);
  font-weight: 400; line-height: 0.98;
  color: var(--ink); margin-bottom: 22px;
  letter-spacing: -0.015em;
}
.s1-headline em {
  font-style: italic; color: var(--blue-mid);
}

.s1-body {
  font-size: 14px; font-weight: 400; line-height: 1.72;
  color: var(--ink-70); max-width: 500px; margin-bottom: 28px;
}

.s1-pills { display: flex; flex-direction: column; gap: 7px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 6px;
  font-size: 12px; font-weight: 600; width: fit-content;
}
.pill--blue {
  border: 1px solid var(--blue-border);
  background: var(--blue-bg); color: var(--blue);
}

/* Presenter card */
.s1-right { display: flex; flex-direction: column; gap: 12px; }

.presenter-card {
  border: 1px solid var(--border-2); border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  overflow: hidden;
}
.pc-header { display: flex; align-items: center; gap: 13px; padding: 18px 20px; }
.pc-avatar {
  width: 42px; height: 42px; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue) 0%, #003DB3 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800; color: #fff;
}
.pc-name { font-size: 13.5px; font-weight: 700; color: var(--ink); margin-bottom: 2px; }
.pc-role { font-size: 10.5px; font-weight: 500; color: var(--ink-45); }
.pc-divider { height: 1px; background: var(--border); margin: 0 20px; }
.pc-creds { padding: 13px 20px; display: flex; flex-direction: column; gap: 8px; }
.pc-cred { display: flex; align-items: center; gap: 9px; font-size: 11.5px; font-weight: 500; color: var(--ink-70); }
.pc-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--blue); flex-shrink: 0; }
.pc-awards { padding: 10px 20px; display: flex; flex-wrap: wrap; gap: 6px; }
.award-pill {
  font-size: 9.5px; font-weight: 700; letter-spacing: 0.06em;
  color: var(--gold); border: 1px solid rgba(180,83,9,0.2);
  border-radius: 4px; padding: 3px 8px; background: var(--gold-bg);
}
.pc-footer { padding: 10px 20px; font-size: 10px; font-weight: 700; letter-spacing: 0.12em; color: var(--ink-25); }

.uw-card {
  border: 1px solid var(--blue-border); border-radius: var(--radius);
  background: var(--blue-bg); padding: 16px 20px; text-align: center;
}
.uw-for    { font-size: 9px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-25); margin-bottom: 4px; }
.uw-name   { font-size: 16px; font-weight: 800; color: var(--ink); margin-bottom: 4px; }
.uw-sector { font-size: 10.5px; font-weight: 600; color: var(--blue); margin-bottom: 6px; }
.uw-tagline { font-size: 10px; font-weight: 500; color: var(--ink-45); font-style: italic; }

/* ══════════════════════════════════════════════════════════
   SLIDE 2 — UK MARKET OPPORTUNITY
   ══════════════════════════════════════════════════════════ */
.s2-layout { display: flex; flex-direction: column; gap: 16px; }

.s2-header {
  display: flex; align-items: flex-end; gap: 48px;
}
.s2-header-left { flex-shrink: 0; }
.s2-intro {
  font-size: 13px; font-weight: 400; line-height: 1.7;
  color: var(--ink-70); max-width: 420px; padding-bottom: 2px;
}

/* Stats Row */
.stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
}
.stat-card {
  border-radius: var(--radius); padding: 14px 16px;
  border: 1px solid var(--border-2);
  background: var(--bg-card);
  box-shadow: 0 1px 6px rgba(0,0,0,0.04);
}
.stat-card--blue   { border-top: 3px solid var(--blue); }
.stat-card--green  { border-top: 3px solid var(--green); }
.stat-card--purple { border-top: 3px solid var(--purple); }
.stat-card--gold   { border-top: 3px solid var(--gold); }

.stat-num {
  font-family: var(--serif); font-size: clamp(26px, 2.8vw, 36px);
  font-weight: 400; line-height: 1; color: var(--ink); margin-bottom: 6px;
}
.stat-card--blue   .stat-num { color: var(--blue); }
.stat-card--green  .stat-num { color: var(--green); }
.stat-card--purple .stat-num { color: var(--purple); }
.stat-card--gold   .stat-num { color: var(--gold); }

.stat-label {
  font-size: 11px; font-weight: 500; line-height: 1.5;
  color: var(--ink-70); margin-bottom: 6px;
}
.stat-source {
  font-size: 9px; font-weight: 600; letter-spacing: 0.06em;
  color: var(--ink-25); text-transform: uppercase;
}

/* Pain Points Table */
.pain-table-wrap {
  border: 1px solid var(--border-2); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}
.pain-table-header {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  background: var(--ink); padding: 10px 16px; gap: 16px;
}
.pain-col-label {
  font-size: 9.5px; font-weight: 800; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(255,255,255,0.65);
}
.pain-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  gap: 16px; padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  align-items: start;
}
.pain-row:last-child { border-bottom: none; }
.pain-row--alt { background: var(--bg-card-alt); }

.pain-item {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 12px; font-weight: 600; color: var(--ink-70); line-height: 1.5;
}
.pain-icon { font-size: 13px; flex-shrink: 0; margin-top: 1px; }
.pain-icon--red { color: #DC2626; }

.pain-urgency {
  font-size: 11.5px; font-weight: 400; line-height: 1.55;
  color: var(--ink-70);
}
.pain-answer {
  font-size: 11.5px; font-weight: 600; line-height: 1.55;
  color: var(--blue);
}

/* Business Case Table */
.biz-table-wrap {
  border: 1px solid var(--border-2); border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
}
.biz-table {
  width: 100%; border-collapse: collapse;
  font-family: var(--sans);
  background: var(--bg-card);
}
.biz-table thead tr {
  background: var(--ink);
  border-bottom: 1px solid var(--border-2);
}
.biz-table thead th {
  padding: 12px 16px;
  font-size: 10px; font-weight: 800; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
  text-align: left;
}
.bt-col-outcome   { width: 18%; }
.bt-col-challenge { width: 26%; }
.bt-col-helium    { width: 34%; }
.bt-col-impact    { width: 22%; }

.bt-row { border-bottom: 1px solid var(--border); transition: background 0.2s ease; }
.bt-row:last-child { border-bottom: none; }
.bt-row:hover { background: rgba(0,85,229,0.025); }

/* Row accent lines */
.bt-row--green  td:first-child { border-left: 3px solid var(--green); }
.bt-row--blue   td:first-child { border-left: 3px solid var(--blue-mid); }
.bt-row--purple td:first-child { border-left: 3px solid var(--purple); }
.bt-row--gold   td:first-child { border-left: 3px solid var(--gold); }

.bt-outcome {
  padding: 16px 16px;
  display: flex; align-items: flex-start; gap: 11px;
  vertical-align: top;
}
.bt-icon {
  width: 30px; height: 30px; border-radius: 7px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; margin-top: 1px;
}
.bt-icon--green  { background: var(--green-bg); }
.bt-icon--blue   { background: var(--blue-bg); }
.bt-icon--purple { background: var(--purple-bg); }
.bt-icon--gold   { background: var(--gold-bg); }

.bt-outcome-title { font-size: 13px; font-weight: 700; color: var(--ink); margin-bottom: 3px; }
.bt-outcome-sub   { font-size: 10px; font-weight: 500; color: var(--ink-45); }

.bt-challenge {
  padding: 16px 16px; vertical-align: top;
  font-size: 12px; font-weight: 400; line-height: 1.6; color: var(--ink-70);
}

.bt-helium {
  padding: 16px 16px; vertical-align: top;
}
.bt-list {
  list-style: none; display: flex; flex-direction: column; gap: 6px;
}
.bt-list li {
  font-size: 12px; font-weight: 500; line-height: 1.55; color: var(--ink-70);
  padding-left: 14px; position: relative;
}
.bt-list li::before {
  content: '';
  position: absolute; left: 0; top: 7px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--blue); opacity: 0.6;
}

.bt-impact {
  padding: 16px 16px; vertical-align: top; text-align: center;
  background: rgba(0,85,229,0.025);
}
.impact-stat  { font-size: 20px; font-weight: 800; color: var(--blue); line-height: 1; margin-bottom: 5px; }
.impact-label { font-size: 10.5px; font-weight: 500; color: var(--ink-45); line-height: 1.4; }

/* ══════════════════════════════════════════════════════════
   SLIDE 3 — BUSINESS CASE (was slide 2)
   ══════════════════════════════════════════════════════════ */
.s3-layout { display: flex; flex-direction: column; gap: 16px; }

.s3-header {
  display: flex; align-items: flex-end; gap: 48px;
}
.s3-header-left { flex-shrink: 0; }
.s3-intro {
  font-size: 13px; font-weight: 400; line-height: 1.7;
  color: var(--ink-70); max-width: 420px; padding-bottom: 2px;
}

/* ══════════════════════════════════════════════════════════
   SLIDE 4 — PLATFORM FEATURES TABLE
   ══════════════════════════════════════════════════════════ */
.s4-platform-layout { display: flex; flex-direction: column; gap: 18px; }

.s4-platform-header {
  display: flex; align-items: center; gap: 48px;
}
.s4-platform-header-left { flex-shrink: 0; }

/* Fragmentation banner */
.frag-banner {
  flex: 1; display: flex; align-items: center; gap: 14px;
  border: 1px solid var(--border-2); border-radius: var(--radius);
  padding: 14px 18px; background: var(--bg-card);
  box-shadow: 0 1px 6px rgba(0,0,0,0.04);
}
.frag-side { flex: 1; }
.frag-side-label {
  font-size: 9px; font-weight: 800; letter-spacing: 0.16em;
  text-transform: uppercase; margin-bottom: 8px;
}
.frag-side-label--red  { color: #DC2626; }
.frag-side-label--blue { color: var(--blue); }
.frag-tools-row { display: flex; flex-wrap: wrap; gap: 5px; }
.frag-chip {
  font-size: 10px; font-weight: 600; color: var(--ink-45);
  border: 1px solid var(--border-2); border-radius: 4px; padding: 2px 8px;
  background: var(--bg-card-alt);
}
.frag-chip--more { border-style: dashed; }
.frag-arrow-wrap { flex-shrink: 0; color: var(--blue); }
.helium-chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12px; font-weight: 800; letter-spacing: 0.08em; color: var(--blue);
  border: 1px solid var(--blue-border); border-radius: 6px;
  padding: 6px 12px; background: var(--blue-bg);
}

/* Platform Table */
.platform-table-wrap {
  border: 1px solid var(--border-2); border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
}
.platform-table {
  width: 100%; border-collapse: collapse; font-family: var(--sans);
  background: var(--bg-card);
}
.platform-table thead tr {
  background: var(--ink);
  border-bottom: 1px solid var(--border-2);
}
.platform-table thead th {
  padding: 12px 14px; text-align: center;
  font-size: 10px; font-weight: 800; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
}
.pt-feature-col { text-align: left !important; width: 30%; }
.pt-tier-col    { width: 13%; }
.pt-uw-col      { width: 28%; text-align: left !important; }

.pt-tier--core  .pt-tier-name { color: rgba(255,255,255,0.55); }
.pt-tier--teams .pt-tier-name { color: #7AADFF; }
.pt-tier--bees  .pt-tier-name { color: #fff; }
.pt-tier-name { font-size: 11px; font-weight: 800; margin-bottom: 2px; }
.pt-tier-sub  { font-size: 9px; font-weight: 500; color: rgba(255,255,255,0.4); letter-spacing: 0.06em; }

.platform-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.18s ease;
}
.platform-table tbody tr:last-child { border-bottom: none; }
.platform-table tbody tr:hover { background: rgba(0,85,229,0.025); }
.pt-row--alt { background: var(--bg-card-alt); }

.pt-feature {
  padding: 13px 14px;
  font-size: 12.5px; font-weight: 600; color: var(--ink-70);
}
.pt-check {
  padding: 13px 14px; text-align: center;
  font-size: 15px; font-weight: 700;
}
.pt-check--yes { color: var(--green); }
.pt-check--no  { color: var(--ink-25); font-size: 13px; }
.pt-uw-value {
  padding: 13px 14px;
  font-size: 11.5px; font-weight: 500; color: var(--ink-70); line-height: 1.45;
}

/* ══════════════════════════════════════════════════════════
   SLIDE 5 — WHY HELIUM WINS (competitor table + close)
   ══════════════════════════════════════════════════════════ */
.s5-layout { display: flex; flex-direction: column; gap: 16px; }

.s5-header {
  display: flex; align-items: flex-start; gap: 40px;
}
.s5-header-left { flex: 1; }
.s5-headline { margin-bottom: 10px; }
.s5-body {
  font-size: 12.5px; font-weight: 400; line-height: 1.7;
  color: var(--ink-70); max-width: 400px;
}

/* Opportunity card (slide 5) */
.s5-opportunity {
  flex-shrink: 0; width: 300px;
  border: 1px solid var(--blue-border); border-radius: var(--radius-lg);
  background: var(--blue-bg); padding: 18px 20px;
}
.opp-label {
  font-size: 9.5px; font-weight: 800; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 8px;
}
.opp-text {
  font-size: 12px; font-weight: 500; line-height: 1.65;
  color: var(--ink-70); margin-bottom: 12px;
}
.opp-stats {
  display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px;
}
.opp-stat {
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px 10px; border-radius: 6px;
  background: rgba(0,85,229,0.06); border: 1px solid var(--blue-border);
}
.opp-stat-num {
  font-family: var(--serif); font-size: 22px; font-weight: 400;
  color: var(--blue); line-height: 1;
}
.opp-stat-label {
  font-size: 9.5px; font-weight: 500; color: var(--ink-45); line-height: 1.4;
}
.opp-cta {
  display: flex; align-items: center; gap: 7px;
  font-size: 11px; font-weight: 700; color: var(--blue);
  border-top: 1px solid var(--blue-border); padding-top: 12px;
}

/* ══════════════════════════════════════════════════════════
   SLIDE 4 — PLATFORM (old slide 3 layout reused)
   ══════════════════════════════════════════════════════════ */
.s4-layout { display: flex; flex-direction: column; gap: 18px; }

.s4-header {
  display: flex; align-items: flex-start; gap: 48px;
}
.s4-header-left { flex: 1; }

/* Competitor Table */
.comp-table-wrap {
  border: 1px solid var(--border-2); border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
}
.comp-table {
  width: 100%; border-collapse: collapse; font-family: var(--sans);
  background: var(--bg-card);
}
.comp-table thead tr {
  background: var(--ink);
  border-bottom: 1px solid var(--border-2);
}
.comp-table thead th {
  padding: 11px 12px;
  font-size: 9.5px; font-weight: 800; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
  text-align: center;
}
.ct-platform-col { text-align: left !important; width: 20%; }

.ct-row { border-bottom: 1px solid var(--border); transition: background 0.18s ease; }
.ct-row:last-child { border-bottom: none; }
.ct-row--competitor:hover { background: rgba(0,85,229,0.025); }
.ct-row--alt { background: var(--bg-card-alt); }

.ct-row--competitor td {
  padding: 12px 12px; text-align: center;
  font-size: 14px;
}
.ct-platform {
  text-align: left !important; padding: 12px 14px !important;
}
.ct-platform-name { font-size: 12px; font-weight: 600; color: var(--ink-70); margin-bottom: 2px; }
.ct-platform-sub  { font-size: 9.5px; font-weight: 500; color: var(--ink-25); }

/* Helium row — highlighted */
.ct-row--helium {
  background: var(--blue-bg);
  border-top: 2px solid var(--blue-border) !important;
  border-bottom: 2px solid var(--blue-border) !important;
}
.ct-row--helium td {
  padding: 14px 12px; text-align: center; font-size: 16px;
}
.ct-platform--helium { text-align: left !important; padding: 14px 14px !important; }
.ct-helium-brand { display: flex; align-items: center; gap: 9px; }
.ct-helium-name { font-size: 13px; font-weight: 800; color: var(--ink) !important; }
.ct-helium-sub  { font-size: 9.5px; font-weight: 600; color: var(--blue) !important; }

.ct-yes         { color: var(--green); font-weight: 700; }
.ct-yes--bold   { font-size: 18px; }
.ct-no          { color: #DC2626; opacity: 0.6; }
.ct-partial     { color: var(--gold); font-weight: 700; }

.ct-legend {
  display: flex; gap: 20px; padding: 10px 16px;
  background: var(--bg-card-alt); border-top: 1px solid var(--border);
  font-size: 10.5px; font-weight: 600; color: var(--ink-45);
}
.ct-legend span { display: flex; align-items: center; gap: 5px; }

/* ══════════════════════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════════════════════ */
@keyframes fadeUp  { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes rowIn   { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; transform: translateX(0); } }

/* Slide 1 */
.slide.active .brand-row      { animation: fadeUp 0.55s var(--ease) 0.08s both; }
.slide.active .s1-eyebrow     { animation: fadeUp 0.55s var(--ease) 0.15s both; }
.slide.active .s1-headline    { animation: fadeUp 0.65s var(--ease) 0.2s both; }
.slide.active .s1-body        { animation: fadeUp 0.55s var(--ease) 0.3s both; }
.slide.active .s1-pills       { animation: fadeUp 0.55s var(--ease) 0.38s both; }
.slide.active .presenter-card { animation: fadeUp 0.55s var(--ease) 0.22s both; }
.slide.active .uw-card        { animation: fadeUp 0.55s var(--ease) 0.35s both; }

/* Slide 2 — UK Opportunity */
.slide.active .s2-header       { animation: fadeUp 0.55s var(--ease) 0.08s both; }
.slide.active .stats-row       { animation: fadeUp 0.55s var(--ease) 0.18s both; }
.slide.active .pain-table-wrap { animation: fadeUp 0.6s var(--ease) 0.28s both; }
.slide.active .pain-row:nth-child(1) { animation: rowIn 0.4s var(--ease) 0.35s both; }
.slide.active .pain-row:nth-child(2) { animation: rowIn 0.4s var(--ease) 0.42s both; }
.slide.active .pain-row:nth-child(3) { animation: rowIn 0.4s var(--ease) 0.49s both; }
.slide.active .pain-row:nth-child(4) { animation: rowIn 0.4s var(--ease) 0.56s both; }

/* Slide 3 — Business Case */
.slide.active .s3-header      { animation: fadeUp 0.55s var(--ease) 0.08s both; }
.slide.active .biz-table-wrap { animation: fadeUp 0.6s var(--ease) 0.2s both; }
.slide.active .bt-row:nth-child(1) { animation: rowIn 0.45s var(--ease) 0.3s both; }
.slide.active .bt-row:nth-child(2) { animation: rowIn 0.45s var(--ease) 0.38s both; }
.slide.active .bt-row:nth-child(3) { animation: rowIn 0.45s var(--ease) 0.46s both; }
.slide.active .bt-row:nth-child(4) { animation: rowIn 0.45s var(--ease) 0.54s both; }

/* Slide 4 — Platform */
.slide.active .s4-header           { animation: fadeUp 0.55s var(--ease) 0.08s both; }
.slide.active .platform-table-wrap { animation: fadeUp 0.6s var(--ease) 0.22s both; }

/* Slide 5 — Why Helium Wins */
.slide.active .s5-header       { animation: fadeUp 0.55s var(--ease) 0.08s both; }
.slide.active .comp-table-wrap { animation: fadeUp 0.6s var(--ease) 0.22s both; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .slide-inner { padding: 0 36px; }
  .s1-layout { grid-template-columns: 1fr; }
  .s1-right { display: none; }
  .s2-header, .s3-header, .s4-header, .s5-header { flex-direction: column; gap: 14px; }
  .s5-opportunity { width: 100%; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .slide-inner { padding: 0 18px; }
  .s1-headline { font-size: 44px; }
  .nav-arrow { display: none; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .biz-table thead th:nth-child(2),
  .biz-table td:nth-child(2) { display: none; }
  .pain-table-header, .pain-row { grid-template-columns: 1fr; }
  .pain-col-label:not(:first-child), .pain-urgency, .pain-answer { display: none; }
}