:root {
  --bg: #f4f7fc;
  --bg-accent: #eef3ff;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: #ffffff;
  --surface-soft: #f7f9ff;
  --text: #162033;
  --muted: #5f6b82;
  --line: rgba(22, 32, 51, 0.1);
  --accent: #3f6fff;
  --accent-strong: #244fd6;
  --accent-soft: rgba(63, 111, 255, 0.1);
  --shadow: 0 22px 54px rgba(42, 67, 122, 0.12);
  --shell-padding-block: 12px;
  --shell-gap: 10px;
  --slide-padding-inline: 22px;
  --slide-padding-block: 18px;
  --content-gap: 14px;
  --card-padding: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(63, 111, 255, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(136, 189, 255, 0.18), transparent 24%),
    linear-gradient(180deg, #f8faff 0%, #eef3fb 100%);
}

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
p,
ul,
ol {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.45rem, 2.15vw, 2.2rem);
  line-height: 1.02;
  max-width: 18ch;
}

h2 {
  font-size: clamp(1.24rem, 1.75vw, 1.82rem);
  line-height: 1.05;
  margin-bottom: 10px;
  max-width: 21ch;
}

h3 {
  font-size: 0.94rem;
  margin-bottom: 6px;
}

p,
li,
span {
  line-height: 1.36;
}

.eyebrow,
.kicker,
.callout-label,
.slide-indicator,
.timeline-item span {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent-strong);
}

.deck-shell {
  width: min(1240px, calc(100% - 24px));
  height: 100dvh;
  margin: 0 auto;
  padding: var(--shell-padding-block) 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: var(--shell-gap);
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.topbar-side {
  text-align: right;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.slides {
  position: relative;
  min-height: 0;
  height: 100%;
}

.slide {
  display: none;
  height: 100%;
  min-height: 0;
  overflow: auto;
  padding: var(--slide-padding-block) var(--slide-padding-inline);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(246, 249, 255, 0.97));
  box-shadow: var(--shadow);
}

.slide.is-active {
  display: flex;
}

.slide-content {
  display: grid;
  gap: var(--content-gap);
  width: 100%;
  height: 100%;
  min-height: 0;
  align-content: start;
}

.hero-layout,
.two-columns {
  grid-template-columns: minmax(0, 1.15fr) minmax(290px, 0.85fr);
}

.dense-layout,
.final-grid {
  grid-template-rows: auto minmax(0, 1fr);
}

.dense-columns {
  align-items: stretch;
}

.balanced {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.compact-hero {
  align-content: stretch;
}

.hero-copy {
  display: grid;
  gap: 12px;
}

.lede,
.panel p,
.callout p,
.step-card span,
.quote-card p,
.big-quote p,
.closing-note,
.timeline-item p,
.bullet-list li,
.metric-card span,
.inline-card span,
.summary-item span,
.mini-list li {
  color: var(--muted);
}

.lede {
  font-size: clamp(0.95rem, 1.15vw, 1.04rem);
  max-width: 44rem;
  margin-bottom: 0;
}

.callout,
.panel,
.quote-card,
.timeline-item,
.big-quote,
.step-card,
.metric-card,
.inline-card,
.summary-item {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 10px 26px rgba(42, 67, 122, 0.08);
}

.callout,
.quote-card,
.big-quote,
.step-card,
.metric-card,
.inline-card,
.summary-item,
.panel {
  padding: var(--card-padding);
}

.accent-card {
  background: linear-gradient(180deg, rgba(63, 111, 255, 0.09), rgba(255, 255, 255, 0.96));
}

.hero-proof {
  display: grid;
  align-content: space-between;
  gap: 14px;
}

.panel-stack,
.feature-grid,
.timeline,
.metric-row,
.journey-grid,
.stacked-points,
.summary-board {
  display: grid;
  gap: 10px;
}

.feature-grid.two-by-two,
.security-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.metric-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  display: grid;
  gap: 6px;
  min-height: 88px;
}

.metric-card strong,
.inline-card strong,
.summary-item strong,
.step-card strong {
  font-size: 0.95rem;
}

.strong,
.subtle-panel {
  background: var(--surface-soft);
}

.bullet-list,
.mini-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.mini-list {
  gap: 5px;
}

.journey-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.wide-step {
  min-height: 118px;
}

.step-card {
  display: grid;
  gap: 8px;
}

.emphasis-card p {
  font-size: 1rem;
  color: var(--text);
}

.stacked-points,
.summary-board {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.inline-card,
.summary-item {
  display: grid;
  gap: 6px;
  min-height: 88px;
}

.value-quote {
  display: grid;
  align-items: center;
}

.big-quote p {
  font-size: clamp(1.14rem, 1.55vw, 1.55rem);
  color: var(--text);
  margin-bottom: 0;
}

.summary-board {
  align-self: stretch;
}

.controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.nav-button {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

.nav-button:hover {
  transform: translateY(-1px);
}

.nav-button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  border-color: transparent;
  color: #ffffff;
}

.nav-button:disabled {
  opacity: 0.45;
  cursor: default;
  transform: none;
}

.dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  border: 0;
  background: rgba(63, 111, 255, 0.22);
  cursor: pointer;
}

.dot.is-active {
  width: 28px;
  background: var(--accent);
}

@media (max-height: 920px) {
  :root {
    --shell-padding-block: 10px;
    --shell-gap: 8px;
    --slide-padding-inline: 18px;
    --slide-padding-block: 14px;
    --content-gap: 12px;
    --card-padding: 12px;
  }

  h1 {
    font-size: clamp(1.3rem, 1.95vw, 1.95rem);
  }

  h2 {
    font-size: clamp(1.12rem, 1.55vw, 1.58rem);
  }

  p,
  li,
  span {
    line-height: 1.32;
  }

  .metric-card,
  .inline-card,
  .summary-item {
    min-height: 76px;
  }

  .wide-step {
    min-height: 100px;
  }

  .big-quote p {
    font-size: clamp(1.04rem, 1.35vw, 1.32rem);
  }
}

@media (max-width: 1024px) {
  .hero-layout,
  .two-columns,
  .balanced,
  .feature-grid.two-by-two,
  .security-grid,
  .metric-row,
  .journey-grid,
  .stacked-points,
  .summary-board {
    grid-template-columns: 1fr;
  }

  .slide {
    min-height: auto;
    height: auto;
    overflow: visible;
  }

  .slide-content {
    height: auto;
  }
}

@media (max-width: 720px) {
  .deck-shell {
    width: min(100% - 18px, 1240px);
    height: auto;
    min-height: auto;
    padding-top: 14px;
    gap: 10px;
  }

  .topbar,
  .controls {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-side {
    text-align: left;
  }

  .slide {
    padding: 18px;
    border-radius: 22px;
  }

  .dots {
    order: 3;
  }
}