/* ============================================================
   CoreSignal Pitch Deck — aligned to CoreSignal Health brand
   Display: Canela (substituted with Fraunces — closest free analog)
   Body / UI: Inter
   Palette: champagne gold on cosmic black
   ============================================================ */

:root {
  /* Type scale (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(2.75rem, 0.5rem + 6vw, 6rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --t: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Type families — Canela (display) + Inter (UI/body).
     Canela is licensed; Fraunces is the closest free analog and loads from Google Fonts. */
  --font-display: 'Canela', 'Canela Deck', 'Fraunces', 'GT Sectra', Georgia, serif;
  --font-serif-accent: 'Canela', 'Canela Deck', 'Fraunces', Georgia, serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

[data-theme='dark'] {
  /* Cosmic blacks — deeper, cooler than the v1 amber-warm theme */
  --color-bg: #050505;
  --color-bg-2: #0a0a0a;
  --color-surface: #0f0e0c;
  --color-surface-2: #15130f;
  --color-surface-3: #1c1a14;
  --color-divider: #221f18;
  --color-border: #2a2620;
  --color-border-strong: #463f33;

  /* Text — warm off-white, champagne neutrals */
  --color-text: #f3ece0;
  --color-text-muted: #b3a895;
  --color-text-faint: #756c5e;
  --color-text-inverse: #0f0e0c;

  /* Primary accent — champagne gold (parent CoreSignal brand) */
  --color-primary: #d4a85a;
  --color-primary-2: #e6c285;
  --color-primary-hover: #e8c179;
  --color-primary-soft: rgba(212, 168, 90, 0.12);
  --color-primary-soft-2: rgba(212, 168, 90, 0.22);

  /* Status accents (used sparingly) */
  --color-success: #8aab5a;
  --color-warning: #d4a85a;
  --color-error: #c66a5a;

  /* Atmospheric glow — warm gold sunrise like the flyer */
  --glow-warm: radial-gradient(
    ellipse 85% 55% at 80% 100%,
    rgba(212, 168, 90, 0.20) 0%,
    rgba(212, 168, 90, 0.06) 35%,
    transparent 70%
  );
  --glow-cosmic: radial-gradient(
    ellipse 80% 50% at 50% 110%,
    rgba(70, 100, 140, 0.05) 0%,
    transparent 60%
  );
}

/* ===== Reset / base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  position: relative;
}
/* Ambient cosmic starfield behind every slide (cover & ask cover it with hero) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url('cosmos-starfield.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.32;
  z-index: 0;
  pointer-events: none;
}
/* Dark vignette over the starfield so content surfaces stay readable */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(
      ellipse at center,
      rgba(5, 5, 5, 0.5) 0%,
      rgba(5, 5, 5, 0.85) 70%,
      rgba(5, 5, 5, 0.95) 100%
    );
  z-index: 0;
  pointer-events: none;
}
body > * {
  position: relative;
  z-index: 1;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1,
h2,
h3 {
  line-height: 1.08;
  text-wrap: balance;
  font-weight: 500;
  letter-spacing: -0.015em;
}

p {
  text-wrap: pretty;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--t);
}
a:hover {
  color: var(--color-primary-hover);
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--t);
}

/* Emphasis — same serif weight as the headline, gold-tinted only.
   No script italics. Matches the parent CoreSignal Health flyer voice. */
em {
  font-family: inherit;
  font-style: normal;
  font-weight: inherit;
  color: var(--color-primary);
  letter-spacing: inherit;
}

/* ===== Top bar ===== */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-8);
  background: rgba(10, 9, 8, 0.7);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-divider);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
}
.brand-mark {
  width: 32px;
  height: 34px;
  display: block;
  object-fit: contain;
  /* Slight gold cast for the warm-white mark */
  filter: drop-shadow(0 0 6px rgba(212, 168, 90, 0.18));
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: var(--text-base);
  letter-spacing: -0.005em;
}
.brand-name em {
  font-size: 1em;
  font-weight: 400;
}
.brand-sub {
  display: block;
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--color-text-muted);
  margin-top: 2px;
  text-transform: uppercase;
}

.deck-nav {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.nav-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.nav-btn:hover {
  background: var(--color-surface-2);
  color: var(--color-primary);
  border-color: var(--color-border-strong);
}
.nav-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.slide-counter {
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--color-text-faint);
  min-width: 4ch;
  text-align: center;
}
#current-slide {
  color: var(--color-text);
}

/* ===== Deck container ===== */
.deck {
  position: relative;
  padding-top: 64px;
}

.slide {
  display: none;
  min-height: calc(100dvh - 64px);
  padding: var(--space-12) var(--space-8) var(--space-16);
  position: relative;
  isolation: isolate;
  animation: slideFade 480ms cubic-bezier(0.16, 1, 0.3, 1);
}
.slide.is-active {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: calc(var(--space-16) + 64px);
}

/* Cover and ask slides center vertically */
.slide.slide--cover.is-active,
.slide.slide--ask.is-active {
  align-items: center;
  padding-top: var(--space-12);
}

/* Dense slides: tighten top padding and title margin to keep tall content above the fold */
.slide.slide--dense.is-active {
  padding-top: calc(var(--space-6) + 64px);
  padding-bottom: var(--space-8);
}
.slide--dense .slide-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}
.slide--dense .slide-eyebrow {
  margin-bottom: var(--space-3);
}
.slide--dense .product-mock {
  margin: var(--space-3) 0 var(--space-3);
  padding: var(--space-4);
}
.slide--dense .mock-header {
  margin-bottom: var(--space-3);
}
.slide--dense .mock-cell {
  padding: var(--space-3) var(--space-4);
}
.slide--dense .mock-cell-label {
  margin-bottom: var(--space-2);
}
.slide--dense .biomarker-row {
  padding: 6px 0;
}
.slide--dense .mock-biomarkers {
  padding: var(--space-1) var(--space-4);
}
.slide--dense .mock-next {
  padding: var(--space-3) var(--space-4);
}
.slide--dense .mock-next-title {
  margin: var(--space-1) 0 var(--space-1);
}
.slide--dense .slide-foot {
  margin-top: var(--space-4);
}

@keyframes slideFade {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide--cover .slide-inner {
  z-index: 2;
}
.slide-inner {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.slide-number {
  position: absolute;
  top: 0;
  right: 0;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  color: var(--color-text-faint);
  letter-spacing: 0.12em;
}

.slide-eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.slide-eyebrow::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--color-primary);
}

.slide-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  max-width: 26ch;
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.slide--cover .cover-headline em,
.slide-title em {
  white-space: nowrap;
}

.slide-lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-10);
  line-height: 1.5;
}

.slide-foot {
  margin-top: var(--space-10);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 64ch;
  font-family: var(--font-body);
}

/* ===== Slide 1: Cover ===== */
.slide--cover {
  background: var(--color-bg);
  position: relative;
  overflow: hidden;
}
.cover-watermark {
  /* Full-bleed cosmic hero photo (source is 2:3 portrait — show planet + galaxy band) */
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* push image so the planet horizon + sunburst sits in lower-right area */
  object-position: 65% 65%;
  z-index: 0;
  pointer-events: none;
  user-select: none;
  opacity: 0.95;
}
/* Left-to-right vignette so headline copy stays readable */
.slide--cover::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      100deg,
      rgba(5, 5, 5, 0.96) 0%,
      rgba(5, 5, 5, 0.88) 28%,
      rgba(5, 5, 5, 0.55) 50%,
      rgba(5, 5, 5, 0.25) 70%,
      rgba(5, 5, 5, 0.1) 100%
    );
  z-index: 1;
  pointer-events: none;
}
/* Bottom vignette so the meta block reads */
.slide--cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      transparent 50%,
      rgba(5, 5, 5, 0.5) 80%,
      rgba(5, 5, 5, 0.85) 100%
    );
  z-index: 1;
  pointer-events: none;
}
@media (max-width: 900px) {
  .cover-watermark {
    object-position: 70% 30%;
    opacity: 0.7;
  }
  .slide--cover::before {
    background: linear-gradient(
      180deg,
      rgba(5, 5, 5, 0.6) 0%,
      rgba(5, 5, 5, 0.7) 50%,
      rgba(5, 5, 5, 0.92) 100%
    );
  }
}

.cover-eyebrow {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.32em;
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.cover-headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 1.04;
  letter-spacing: -0.025em;
  color: var(--color-text);
  margin-bottom: var(--space-8);
  max-width: 18ch;
}
.cover-headline em {
  font-size: 1em;
  color: var(--color-primary);
}
.headline-dot {
  color: var(--color-primary);
  display: inline;
  font-style: normal;
  font-weight: inherit;
  background: none;
  width: auto;
  height: auto;
  border-radius: 0;
  padding: 0;
  cursor: text;
}
.headline-dot:hover {
  background: none;
  transform: none;
}

.cover-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin-bottom: var(--space-16);
  line-height: 1.5;
}

.cover-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
  max-width: 880px;
}
.meta-label {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}
.meta-value {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
}

/* ===== Cards / grids ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}
.grid-2x2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
}

.card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
}
.card-label {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
  font-weight: 500;
}
.card-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.55;
  max-width: 44ch;
}
.card-text em {
  font-size: 1.02em;
}

/* Pillars (Solution slide) */
.pillar {
  padding: var(--space-6) var(--space-6) var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
}
.pillar-mark {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.pillar-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.pillar-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* Stat cards (Why Now) */
.stat-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.stat-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== Product mockup (Slide 5) ===== */
.product-mock {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-5);
  margin: var(--space-5) 0 var(--space-4);
  box-shadow:
    0 24px 80px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(232, 132, 58, 0.06) inset;
  max-width: 820px;
}
.mock-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}
.mock-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}
.mock-brand svg {
  color: var(--color-primary);
}
.mock-live {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  padding: 2px 10px;
}
.mock-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.mock-cell {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}
.mock-cell-label {
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}
.mock-cell-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.mock-cell-sub {
  font-size: 0.5em;
  color: var(--color-text-faint);
  font-family: var(--font-body);
  margin-left: 2px;
}
.mock-cell-foot {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.06em;
}
.mock-up {
  color: var(--color-success);
}
.mock-biomarkers {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-2) var(--space-5);
  margin-bottom: var(--space-3);
}
.biomarker-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: var(--space-4);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  align-items: center;
  border-bottom: 1px solid var(--color-divider);
}
.biomarker-row:last-child {
  border-bottom: none;
}
.biomarker-row > span:first-child {
  color: var(--color-text);
}
.biomarker-value {
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.biomarker-tag {
  font-size: var(--text-xs);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}
.biomarker-tag--ok {
  background: rgba(109, 170, 69, 0.14);
  color: var(--color-success);
}
.biomarker-tag--warn {
  background: rgba(224, 160, 80, 0.14);
  color: var(--color-warning);
}
.mock-next {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
}
.mock-next-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  margin: var(--space-3) 0 var(--space-1);
}
.mock-next-foot {
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.06em;
}

/* ===== Path cards (How It Works) ===== */
.path-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.path-label {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
  font-weight: 500;
}
.path-steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.path-steps li {
  counter-increment: step;
  position: relative;
  padding-left: var(--space-10);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
  min-height: 28px;
  display: flex;
  align-items: center;
}
.path-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-soft);
}

/* ===== Compare table (Differentiation) ===== */
.compare-table {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.compare-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  align-items: stretch;
  border-bottom: 1px solid var(--color-divider);
}
.compare-row:last-child {
  border-bottom: none;
}
.compare-row--head {
  background: var(--color-surface-2);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.compare-col {
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
}
.compare-col--label {
  color: var(--color-text);
  font-weight: 500;
  border-right: 1px solid var(--color-divider);
}
.compare-col--us {
  background: var(--color-primary-soft);
  color: var(--color-text);
  font-weight: 500;
  position: relative;
}
.compare-row--head .compare-col--us {
  color: var(--color-primary);
  font-weight: 600;
}
.compare-yes {
  color: var(--color-success);
}
.compare-no {
  color: var(--color-text-faint);
}

/* ===== GTM cards (Slide 8) ===== */
.gtm-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.gtm-stage {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  font-weight: 500;
}
.gtm-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.gtm-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.gtm-list li {
  position: relative;
  padding-left: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.55;
}
.gtm-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 12px;
  height: 1px;
  background: var(--color-primary);
}

/* ===== Traction grid ===== */
.traction-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}
.traction-card {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.traction-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  letter-spacing: -0.02em;
}
.traction-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ===== Team cards ===== */
.team-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.team-name {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.team-role {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-5);
}
.team-bio {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Model cards ===== */
.model-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}
.model-label {
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
  font-weight: 500;
}
.model-detail {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}
.model-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Ask slide ===== */
.slide--ask {
  position: relative;
  overflow: hidden;
}
.ask-cosmos {
  /* Cosmic hero behind the Ask slide — mirrored so sunburst is on the LEFT (bookend to cover) */
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 35% 65%;
  transform: scaleX(-1);
  z-index: 0;
  pointer-events: none;
  user-select: none;
  opacity: 0.55;
}
.slide--ask::before {
  content: '';
  position: absolute;
  inset: 0;
  /* Center-darkening vignette so the three ask cards read crisply */
  background:
    radial-gradient(
      ellipse at 50% 50%,
      rgba(5, 5, 5, 0.85) 0%,
      rgba(5, 5, 5, 0.7) 40%,
      rgba(5, 5, 5, 0.4) 75%,
      rgba(5, 5, 5, 0.2) 100%
    );
  z-index: 1;
  pointer-events: none;
}
.slide--ask .slide-inner {
  z-index: 2;
}
.ask-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}
.ask-card {
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
}
.ask-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  letter-spacing: 0.04em;
}
.ask-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.ask-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.ask-contact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-divider);
}
.contact-line {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.contact-label {
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}
.contact-value {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
}
.contact-link {
  color: var(--color-text);
}
.contact-link:hover {
  color: var(--color-primary);
}

/* ===== Slide dots (jump nav) ===== */
.slide-dots {
  position: fixed;
  right: var(--space-6);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  z-index: 40;
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-border);
  border: none;
  transition: all var(--t);
  cursor: pointer;
  padding: 0;
}
.dot:hover {
  background: var(--color-primary);
  transform: scale(1.3);
}
.dot.is-active {
  background: var(--color-primary);
  transform: scale(1.4);
  box-shadow: 0 0 0 4px var(--color-primary-soft);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .topbar {
    padding: var(--space-3) var(--space-5);
  }
  .slide {
    padding: var(--space-8) var(--space-5) var(--space-12);
  }
  .slide-number {
    top: -8px;
  }
  .compare-row {
    grid-template-columns: 1.2fr 1fr;
  }
  .compare-row > .compare-col:nth-child(3),
  .compare-row > .compare-col:nth-child(4) {
    display: none;
  }
  .compare-row--head .compare-col:nth-child(2)::after {
    content: ' vs CoreSignal';
    color: var(--color-text-faint);
    font-size: 0.85em;
  }
  .slide-dots {
    display: none;
  }
  .cover-headline {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .ask-contact {
    flex-direction: column;
    gap: var(--space-4);
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ===== Print ===== */
@media print {
  .topbar,
  .slide-dots {
    display: none;
  }
  .slide {
    display: flex !important;
    page-break-after: always;
    min-height: auto;
  }
}