@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@500;700&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  --stage-ink: #111111;
  --stage-paper: #f5f5f7;
  --stage-paper-soft: #eeeff2;
  --stage-border-dark: rgba(148, 163, 184, 0.18);
  --stage-border-light: rgba(15, 23, 42, 0.12);
  --stage-shadow-dark: 0 24px 52px rgba(2, 8, 23, 0.28);
  --stage-shadow-light: 0 16px 36px rgba(15, 23, 42, 0.1);

  --swiss-blue: #007aff;
  --swiss-red: #ff3b30;
  --swiss-yellow: #ffcc00;
  --swiss-green: #10b981;
  --swiss-violet: #7c3aed;

  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", monospace;

  --stage-pad: clamp(54px, 4vw, 88px);
  --stage-pad-wide: clamp(60px, 5vw, 108px);
  --stage-gap: clamp(16px, 1.4vw, 26px);
  --stage-meta-offset: clamp(28px, 2vw, 44px);
  --stage-meta-size: clamp(12px, 0.9vw, 15px);
  --stage-lede-size: clamp(15px, 1.08vw, 22px);
  --stage-small-copy: clamp(13px, 0.96vw, 18px);
  --stage-body-copy: clamp(14px, 1vw, 19px);
  --stage-h1: clamp(62px, 5vw, 112px);
  --stage-h2: clamp(42px, 3.6vw, 72px);
  --stage-h3: clamp(20px, 1.5vw, 30px);
  --stage-statement: clamp(56px, 4.6vw, 98px);
  --stage-statement-sm: clamp(42px, 3.6vw, 72px);
  --stage-statement-md: clamp(48px, 4vw, 84px);

  --deck-accent: var(--c-accent, var(--swiss-blue));
  --deck-danger: var(--c-danger, var(--swiss-red));
  --deck-warn: var(--c-warn, var(--swiss-yellow));
  --deck-success: var(--c-success, var(--swiss-green));
  --deck-emerald: var(--c-emerald, var(--swiss-green));
  --deck-aws: var(--c-aws, #ff9500);
  --deck-purple: var(--c-accent-purple, var(--swiss-violet));
  --deck-meta: var(--c-meta, #94a3b8);
  --deck-card: var(--c-card, rgba(17, 24, 39, 0.9));
  --deck-card-border: var(--c-card-border, rgba(148, 163, 184, 0.18));

  --r-main-font: var(--font-body);
  --r-heading-font: var(--font-display);
}

.reveal,
.reveal * {
  box-sizing: border-box;
}

.reveal .slides section {
  overflow: hidden;
}

.reveal h1,
.reveal h2,
.reveal h3,
.reveal .statement {
  font-family: var(--font-display);
  letter-spacing: -0.05em;
  text-wrap: balance;
}

.reveal p,
.reveal li,
.reveal span,
.reveal strong,
.reveal a,
.reveal div {
  font-family: var(--font-body);
}

.reveal strong,
.reveal h3,
.reveal .stat strong,
.reveal .flow-step strong {
  font-family: var(--font-display);
}

.reveal h1 {
  font-size: var(--stage-h1);
  line-height: 0.94;
}

.reveal h2 {
  font-size: var(--stage-h2);
  line-height: 1.02;
}

.reveal h3 {
  font-size: var(--stage-h3);
  line-height: 1.05;
}

.reveal .statement {
  max-width: 14ch;
  font-size: var(--stage-statement);
  line-height: 0.98;
}

.reveal section.breaker .statement {
  max-width: 13ch;
}

.reveal .statement-sm {
  font-size: var(--stage-statement-sm);
}

.reveal .statement-md {
  font-size: var(--stage-statement-md);
}

.reveal .accent {
  color: var(--deck-accent);
}

.reveal .danger,
.reveal .accent-red {
  color: var(--deck-danger);
}

.reveal .warn,
.reveal .amber,
.reveal .accent-amber {
  color: var(--deck-warn);
}

.reveal .accent-aws {
  color: var(--deck-aws);
}

.reveal .accent-audit {
  color: var(--c-audit, var(--deck-accent));
}

.reveal .success,
.reveal .emerald,
.reveal .accent-green {
  color: var(--deck-success);
}

.reveal .accent-purple {
  color: var(--deck-purple);
}

.reveal .dim {
  color: var(--deck-meta);
}

.reveal .meta-top-left,
.reveal .meta-bottom-left,
.reveal .meta-bottom-right,
.reveal .eyebrow,
.reveal .section-label {
  font-family: var(--font-mono);
  font-size: var(--stage-meta-size);
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.reveal .meta-top-left,
.reveal .meta-bottom-left,
.reveal .meta-bottom-right {
  color: var(--deck-meta);
}

.reveal .meta-top-left {
  top: var(--stage-meta-offset);
  left: var(--stage-meta-offset);
}

.reveal .meta-bottom-left {
  bottom: var(--stage-meta-offset);
  left: var(--stage-meta-offset);
}

.reveal .meta-bottom-right {
  bottom: var(--stage-meta-offset);
  right: var(--stage-meta-offset);
}

.reveal section.layout-statement,
.reveal section.layout-grid,
.reveal section.layout-visual {
  padding-inline: var(--stage-pad-wide) !important;
}

.reveal .lede {
  max-width: 32ch;
  margin-top: clamp(16px, 1.6vw, 26px);
  font-size: var(--stage-lede-size);
  line-height: 1.34;
  color: var(--deck-meta);
  letter-spacing: -0.02em;
}

.reveal .source-note {
  max-width: 84ch;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 0.86vw, 17px);
  line-height: 1.42;
  letter-spacing: 0.02em;
  color: var(--deck-meta);
}

.reveal .source-note a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.reveal .card-grid,
.reveal .stat-strip,
.reveal .compare-grid,
.reveal .flow {
  display: grid;
  width: 100%;
  margin-top: clamp(22px, 1.8vw, 34px);
  gap: var(--stage-gap);
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: stretch;
}

.reveal .card-grid > *,
.reveal .compare-grid > * {
  grid-column: span 4;
}

.reveal .card-grid.cols-2 > *,
.reveal .compare-grid.cols-2 > * {
  grid-column: span 6;
}

.reveal .card-grid.cols-3 > *,
.reveal .compare-grid.cols-3 > * {
  grid-column: span 4;
}

.reveal .card-grid.cols-4 > *,
.reveal .compare-grid.cols-4 > * {
  grid-column: span 3;
}

.reveal .stat-strip > * {
  grid-column: span 3;
}

.reveal .flow .flow-step {
  grid-column: span 3;
}

.reveal .flow .flow-arrow {
  display: none;
}

.reveal .card,
.reveal .stat,
.reveal .flow-step {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
  padding: clamp(18px, 1.5vw, 28px);
  border: 1px solid var(--deck-card-border);
  border-bottom-width: 4px;
  border-radius: clamp(18px, 2vw, 26px);
  background: var(--deck-card);
  box-shadow: var(--stage-shadow-dark);
}

.reveal .light-theme .card,
.reveal .light-theme .stat,
.reveal .light-theme .flow-step {
  background: rgba(255, 255, 255, 0.88);
  border-color: var(--stage-border-light);
  box-shadow: var(--stage-shadow-light);
}

.reveal .eyebrow {
  display: block;
  margin-bottom: 12px;
  color: var(--deck-meta);
}

.reveal .card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(32px, 2.4vw, 44px);
  height: clamp(32px, 2.4vw, 44px);
  margin-bottom: clamp(10px, 0.9vw, 16px);
  color: var(--deck-accent);
}

/* Official AWS Architecture Icons -- preserve their brand colours. */
.reveal .aws-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(40px, 3vw, 56px);
  height: clamp(40px, 3vw, 56px);
  margin-bottom: clamp(10px, 0.9vw, 16px);
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}

.reveal .aws-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* When an AwsIcon is wrapped by a Card's .card-icon span, drop the lucide
   sizing/colour rules so the SVG fills the wrapper and keeps brand colour. */
.reveal .card-icon:has(.aws-icon) {
  width: clamp(44px, 3.2vw, 60px);
  height: clamp(44px, 3.2vw, 60px);
  color: inherit;
}

.reveal .card-icon .aws-icon {
  width: 100%;
  height: 100%;
  margin: 0;
}

/* Slim variant for inline use inside flow steps */
.reveal .flow-step .aws-icon {
  width: clamp(36px, 2.6vw, 48px);
  height: clamp(36px, 2.6vw, 48px);
  margin: 0 auto clamp(8px, 0.7vw, 14px);
}

.reveal .flow-step {
  align-items: center;
  text-align: center;
}

.reveal .flow-step strong,
.reveal .flow-step span {
  text-align: center;
}

.reveal .flow-step > svg {
  display: block;
  margin: 0 auto clamp(8px, 0.7vw, 14px);
  color: var(--deck-meta);
}

.reveal .callout {
  display: block;
  max-width: 62ch;
  margin-top: clamp(20px, 1.7vw, 32px);
  padding: clamp(16px, 1.4vw, 26px) clamp(20px, 1.8vw, 32px);
  border-left: 3px solid var(--c-audit, var(--deck-accent));
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--c-audit, var(--deck-accent)) 12%, transparent) 0%,
    color-mix(in srgb, var(--c-audit, var(--deck-accent)) 4%, transparent) 100%
  );
  border-radius: 0 14px 14px 0;
}

.reveal .light-theme .callout {
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--c-audit, var(--deck-accent)) 10%, transparent) 0%,
    color-mix(in srgb, var(--c-audit, var(--deck-accent)) 3%, transparent) 100%
  );
}

.reveal .callout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--stage-meta-size);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-audit, var(--deck-accent));
  margin-bottom: 0.7em;
}

.reveal .callout-body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--stage-lede-size);
  line-height: 1.42;
  color: var(--r-main-color);
  letter-spacing: -0.01em;
}

.reveal .callout-body strong {
  color: var(--c-audit, var(--deck-accent));
  font-weight: 600;
}

.reveal .card-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.75;
}

.reveal .card-danger .card-icon {
  color: var(--deck-danger);
}

.reveal .card-accent .card-icon {
  color: var(--deck-accent);
}

.reveal .card-danger {
  border-bottom-color: color-mix(in srgb, var(--deck-danger) 70%, transparent);
}

.reveal .card-accent {
  border-bottom-color: color-mix(in srgb, var(--deck-accent) 70%, transparent);
}

.reveal .card-danger .eyebrow {
  color: color-mix(in srgb, var(--deck-danger) 88%, transparent);
}

.reveal .card-accent .eyebrow {
  color: color-mix(in srgb, var(--deck-accent) 88%, transparent);
}

.reveal .card h3,
.reveal .flow-step strong {
  margin: 0;
  line-height: 1.02;
}

.reveal .card p,
.reveal .stat p,
.reveal .flow-step span {
  margin-top: 10px;
  font-size: var(--stage-body-copy);
  line-height: 1.34;
  color: var(--deck-meta);
  letter-spacing: -0.01em;
}

.reveal .stat strong {
  display: block;
  font-size: clamp(42px, 3.4vw, 72px);
  line-height: 0.92;
  letter-spacing: -0.06em;
}

.reveal .flow-step strong {
  font-size: clamp(22px, 1.55vw, 32px);
}

.reveal .layout-visual img {
  max-width: min(100%, 1640px);
  max-height: min(78vh, 860px);
  object-fit: contain;
}

.reveal pre {
  width: 100%;
  max-width: min(100%, 1460px);
  margin-top: clamp(20px, 1.7vw, 30px);
  overflow: hidden;
  border: 1px solid var(--deck-card-border);
  border-bottom: 4px solid color-mix(in srgb, var(--deck-accent) 60%, transparent);
  border-radius: clamp(18px, 2vw, 26px);
  background: #14110d;
  box-shadow: var(--stage-shadow-dark);
}

.reveal .light-theme pre {
  background: rgba(255, 255, 255, 0.94);
  border-color: var(--stage-border-light);
  box-shadow: var(--stage-shadow-light);
}

.reveal code,
.reveal pre code {
  font-family: var(--font-mono);
}

.reveal pre code {
  display: block;
  padding: clamp(18px, 1.6vw, 30px);
  font-size: clamp(14px, 0.96vw, 19px);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.reveal pre.code-lg code {
  font-size: clamp(14px, 0.92vw, 18px);
}

.reveal pre.code-md code {
  font-size: clamp(13px, 0.84vw, 16px);
}

.reveal pre.code-sm code {
  font-size: clamp(12px, 0.78vw, 15px);
  line-height: 1.38;
}

.reveal pre.code-xs code {
  font-size: clamp(11px, 0.72vw, 14px);
  line-height: 1.28;
  padding-block: clamp(14px, 1.1vw, 20px);
}

.reveal .footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 10px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  color: var(--deck-meta);
  border-top: 1px solid var(--stage-border-dark);
  background: rgba(22, 20, 15, 0.62);
  backdrop-filter: blur(10px);
  z-index: 10;
  pointer-events: auto;
}

.reveal .light-theme ~ .footer,
.light-theme .footer {
  color: #64748b;
  border-top-color: var(--stage-border-light);
  background: rgba(245, 245, 247, 0.78);
}

.reveal .footer a {
  color: inherit;
  text-decoration: none;
}

.reveal .section-label {
  margin-bottom: 10px;
  color: var(--deck-meta);
}

.reveal .two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: calc(var(--stage-gap) * 1.4);
}

.reveal section[data-section-title="Appendix"] {
  padding: 64px var(--stage-pad-wide) !important;
}

.reveal section[data-section-title="Appendix"] h2 {
  font-size: clamp(34px, 2.4vw, 48px);
  margin-bottom: 0.7em;
}

.reveal section[data-section-title="Appendix"] h3 {
  margin-bottom: 1em;
  color: var(--deck-accent);
}

.reveal section[data-section-title="Appendix"] ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.reveal section[data-section-title="Appendix"] li {
  padding: 0.35em 0;
  border-bottom: 1px solid var(--deck-card-border);
  font-size: var(--stage-small-copy);
  color: #d4d4d8;
}

.reveal .controls,
.reveal .progress {
  display: none !important;
}

.stage-compact .reveal .statement {
  font-size: clamp(48px, 4.1vw, 86px);
}

.stage-compact .reveal .statement-sm {
  font-size: clamp(36px, 3.2vw, 64px);
}

.stage-compact .reveal .statement-md {
  font-size: clamp(40px, 3.5vw, 72px);
}

.stage-compact .reveal section.layout-statement,
.stage-compact .reveal section.layout-grid,
.stage-compact .reveal section.layout-visual {
  padding-inline: clamp(42px, 3vw, 70px) !important;
}

.stage-tight .reveal .card-grid > *,
.stage-tight .reveal .compare-grid > *,
.stage-tight .reveal .stat-strip > *,
.stage-tight .reveal .flow .flow-step {
  grid-column: span 6;
}

.stage-tight .reveal pre code {
  font-size: clamp(13px, 0.92vw, 17px);
}

.reveal section[data-overflow="true"] .statement {
  font-size: clamp(46px, 3.9vw, 78px);
}

.reveal section[data-overflow="true"] .statement-sm,
.reveal section[data-overflow="true"] .statement-md {
  font-size: clamp(36px, 3vw, 64px);
}

.reveal section[data-overflow="true"] .card p,
.reveal section[data-overflow="true"] .stat p,
.reveal section[data-overflow="true"] .flow-step span,
.reveal section[data-overflow="true"] .lede {
  font-size: clamp(13px, 0.92vw, 17px);
}

.reveal section[data-overflow="true"] pre code {
  font-size: clamp(12px, 0.86vw, 16px);
}

@media (max-width: 1365px), (max-height: 840px) {
  .reveal .card-grid > *,
  .reveal .compare-grid > *,
  .reveal .stat-strip > *,
  .reveal .flow .flow-step {
    grid-column: span 6;
  }
}

@media (max-width: 960px), (max-height: 700px) {
  .reveal .card-grid > *,
  .reveal .compare-grid > *,
  .reveal .stat-strip > *,
  .reveal .flow .flow-step,
  .reveal .two-col > * {
    grid-column: span 12;
  }

  .reveal .two-col {
    grid-template-columns: 1fr;
  }

  .reveal .footer {
    padding-inline: 16px;
    font-size: 11px;
  }
}