:root {
  color-scheme: dark;
  --font-display: "Unbounded", "Manrope", system-ui, sans-serif;
  --font-body: "Manrope", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --bg: #070709;
  --bg-soft: #0e0f13;
  --surface: rgba(21, 22, 28, 0.68);
  --surface-strong: rgba(27, 28, 35, 0.85);
  --hairline: rgba(255, 255, 255, 0.06);
  --hairline-strong: rgba(255, 255, 255, 0.11);
  --text: #f5f2eb;
  --muted: #9096a4;
  --muted-strong: #ccd1db;
  --accent: #ff9f1a;
  --accent-strong: #ff7a00;
  --accent-soft: rgba(255, 159, 26, 0.12);
  --emerald: #46d39a;
  --r-sm: 10px;
  --r-md: 14px;
  --r-lg: 18px;
  --r-xl: 22px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow: 0 18px 48px rgba(7, 7, 9, 0.55);
  --shadow-accent: 0 16px 38px rgba(255, 122, 0, 0.18);
  --bar-h: 58px;
  --content: 1180px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  overflow: hidden;
  color: var(--text);
  font-family: var(--font-body);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(1100px circle at 12% -6%, rgba(255, 130, 20, 0.08), transparent 46%),
    radial-gradient(900px circle at 100% 4%, rgba(255, 90, 0, 0.05), transparent 42%),
    linear-gradient(180deg, #070709 0%, #08090c 52%, #0a0b10 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

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

::selection {
  color: #120b02;
  background: rgba(255, 159, 26, 0.82);
}

.skip-link {
  position: fixed;
  left: 16px;
  top: -60px;
  z-index: 130;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: #120b02;
  font-weight: 700;
  transition: top 160ms var(--ease-out);
}

.skip-link:focus {
  top: 16px;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.4;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3CfeComponentTransfer%3E%3CfeFuncA type='linear' slope='0.05'/%3E%3C/feComponentTransfer%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

.page-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 90% at 50% 0%, rgba(0, 0, 0, 0.9), transparent 72%);
}

/* ---------------------------------------------------------------- brand */

.brand-wordmark {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.92;
  font-size: 1.05rem;
}

.brand-wordmark__trade {
  color: #fff7ef;
}

.brand-wordmark__hubs {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.38rem 0.1rem;
  border-radius: 0.42rem;
  color: #120a01;
  background: linear-gradient(180deg, #ffb347 0%, #ff9f1a 52%, #ff8500 100%);
  box-shadow: 0 6px 16px rgba(255, 122, 0, 0.26);
}

.brand-wordmark--lg {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
}

.brand-wordmark--lg .brand-wordmark__hubs {
  padding: 0.18rem 0.58rem 0.14rem;
  border-radius: 0.6rem;
}

/* --------------------------------------------------------------- chrome */

.deck-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  height: 2px;
  background: rgba(255, 255, 255, 0.05);
}

.deck-progress i {
  display: block;
  height: 100%;
  width: var(--deck-progress, 0%);
  background: linear-gradient(90deg, #ff7a00, #ffbc52);
  box-shadow: 0 0 14px rgba(255, 159, 26, 0.5);
  transition: width 260ms var(--ease-out);
}

.deck-bar {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 55;
  display: flex;
  align-items: center;
  gap: 14px;
  height: var(--bar-h);
  padding: 0 clamp(16px, 3vw, 34px);
  background: linear-gradient(180deg, rgba(7, 7, 9, 0.92), rgba(7, 7, 9, 0));
  backdrop-filter: blur(10px);
}

.deck-bar--top {
  top: 2px;
}

.deck-bar--bottom {
  bottom: 0;
  background: linear-gradient(0deg, rgba(7, 7, 9, 0.94), rgba(7, 7, 9, 0));
}

.deck-audience {
  padding: 5px 11px;
  border: 1px solid rgba(255, 159, 26, 0.32);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.deck-bar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.deck-link,
.deck-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted-strong);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 650;
  white-space: nowrap;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, border-color 180ms ease, transform 180ms var(--ease-out);
}

.deck-link:hover,
.deck-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.deck-link:active,
.deck-btn:active {
  transform: scale(0.98);
}

.deck-btn--square {
  width: 36px;
  padding: 0;
}

.deck-btn[disabled] {
  opacity: 0.34;
  cursor: default;
}

.deck-btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.deck-counter {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.deck-counter b {
  color: var(--text);
}

.deck-now {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.deck-nav {
  display: flex;
  gap: 6px;
  margin-left: auto;
}

:focus-visible {
  outline: 2px solid rgba(255, 159, 26, 0.7);
  outline-offset: 3px;
}

/* -------------------------------------------------------------- overview */

.deck-overview {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  align-content: start;
  gap: 22px;
  padding: clamp(64px, 9vh, 110px) clamp(20px, 6vw, 80px);
  background: rgba(5, 5, 7, 0.94);
  backdrop-filter: blur(16px);
  overflow-y: auto;
}

.deck-overview[hidden] {
  display: none;
}

.deck-overview h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.deck-overview ol {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ov;
}

.deck-overview button {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 12px;
  width: 100%;
  padding: 15px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--surface);
  color: var(--muted-strong);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.deck-overview button::before {
  counter-increment: ov;
  content: counter(ov, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
}

.deck-overview button:hover {
  color: var(--text);
  border-color: rgba(255, 159, 26, 0.35);
  background: rgba(255, 159, 26, 0.07);
}

.deck-overview button[aria-current="true"] {
  color: var(--text);
  border-color: rgba(255, 159, 26, 0.5);
}

.deck-overview button[aria-current="true"]::before {
  color: var(--accent);
}

/* ---------------------------------------------------------------- slides */

.deck {
  position: relative;
  height: 100dvh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}

.deck::-webkit-scrollbar {
  display: none;
}

.slide {
  position: relative;
  display: grid;
  align-content: center;
  min-height: 100dvh;
  padding: calc(var(--bar-h) + 18px) 0 calc(var(--bar-h) + 12px);
  scroll-snap-align: start;
}

.slide + .slide::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: min(var(--content), calc(100% - 48px));
  height: 1px;
  transform: translateX(-50%);
  background: linear-gradient(90deg, transparent, var(--hairline-strong), transparent);
}

.wrap {
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
}

.slide h2 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.9vw, 2.25rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  text-wrap: balance;
}

.slide h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.lead {
  margin: 14px 0 0;
  max-width: 56ch;
  color: var(--muted-strong);
  font-size: 1rem;
  line-height: 1.55;
  text-wrap: pretty;
}

.eyebrow {
  display: block;
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.slide-head {
  margin-bottom: clamp(22px, 3.4vh, 38px);
}

.hairline {
  height: 1px;
  background: var(--hairline-strong);
}

/* ----------------------------------------------------------- slide: cover */

.slide--cover {
  align-content: end;
  overflow: hidden;
}

.cover-art {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.cover-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
}

.cover-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 7, 9, 0.96) 6%, rgba(7, 7, 9, 0.62) 52%, rgba(7, 7, 9, 0.3) 100%),
    linear-gradient(0deg, rgba(7, 7, 9, 0.98) 4%, transparent 46%);
}

.cover-body {
  display: grid;
  gap: 18px;
  max-width: min(760px, 66%);
  padding-bottom: clamp(28px, 8vh, 74px);
}

.cover-body h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
  text-wrap: balance;
}

.cover-body .lead {
  margin: 0;
  max-width: 52ch;
  font-size: 1rem;
}

.cover-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out), background 220ms var(--ease-out), border-color 220ms var(--ease-out);
}

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

.btn:active {
  transform: translateY(1px) scale(0.98);
}

.btn-primary {
  color: #120b02;
  background: linear-gradient(135deg, #ff7a00 0%, #ff9f1a 58%, #ffbc52 100%);
  box-shadow: var(--shadow-accent);
}

.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--hairline-strong);
}

/* ------------------------------------------------------- slide: flow rail */

.actors {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.actor {
  display: grid;
  gap: 7px;
  padding: 18px 20px;
  border: 1px solid var(--hairline);
  border-top: 2px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r-md);
  background: var(--surface);
}

.actor--platform {
  border-top-color: var(--accent);
  background: linear-gradient(180deg, rgba(255, 159, 26, 0.09), transparent 60%), var(--surface);
}

.actor b {
  font-size: 0.95rem;
}

.actor span {
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.rail {
  position: relative;
  padding: 26px 0 8px;
}

.rail-line {
  display: block;
  width: 100%;
  height: 56px;
  overflow: visible;
}

.rail-line path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 1.5;
  stroke-dasharray: 5 7;
}

.rail-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rail-steps li {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--surface);
}

.rail-steps b {
  font-size: 0.9rem;
}

.rail-steps span {
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.rail-steps li.is-match {
  border-color: rgba(255, 159, 26, 0.4);
  background: linear-gradient(180deg, rgba(255, 159, 26, 0.12), transparent 70%), var(--surface);
}

.rail-steps li.is-match b {
  color: var(--accent);
}

.rail-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(255, 159, 26, 0.5);
  color: var(--muted-strong);
  font-size: 0.92rem;
  line-height: 1.5;
}

/* ----------------------------------------------------------- slide: bento */

.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.bento-cell {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 20px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: var(--surface);
}

.bento-cell p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.bento-cell--wide {
  grid-column: span 4;
}

.bento-cell--half {
  grid-column: span 3;
}

.bento-cell--third {
  grid-column: span 2;
}

.bento-cell--accent {
  border-color: rgba(255, 159, 26, 0.3);
  background:
    radial-gradient(420px circle at 12% 0%, rgba(255, 159, 26, 0.16), transparent 62%),
    var(--surface-strong);
}

.bento-cell--accent h3 {
  color: var(--accent);
}

.bento-cell--grid {
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 22px 22px,
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px) 0 0 / 22px 22px,
    var(--surface-strong);
}

.bento-figure {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.bento-figure small {
  margin-left: 4px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0;
}

/* --------------------------------------------------------- slide: metrics */

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--hairline-strong);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.metric {
  display: grid;
  align-content: start;
  gap: 6px;
  padding: 22px 22px 24px;
  background: rgba(11, 12, 16, 0.86);
}

.metric dt {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.35;
}

.metric dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.3rem, 2.3vw, 1.85rem);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.metric dd small {
  margin-left: 5px;
  color: var(--muted-strong);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0;
}

.metric em {
  color: var(--muted);
  font-size: 0.8rem;
  font-style: normal;
  line-height: 1.45;
}

.metric--accent dd {
  color: var(--accent);
}

/* ------------------------------------------------------------ slide: code */

.split {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: clamp(22px, 3vw, 44px);
  align-items: center;
}

.split--wide-left {
  grid-template-columns: 1.1fr 0.9fr;
}

.checklist {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 12px;
  align-items: start;
  color: var(--muted-strong);
  font-size: 0.94rem;
  line-height: 1.5;
}

.checklist li::before {
  content: "";
  width: 18px;
  height: 18px;
  margin-top: 2px;
  border: 1px solid rgba(255, 159, 26, 0.45);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(255, 159, 26, 0.22), transparent 70%);
}

.checklist b {
  color: var(--text);
}

.code {
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-lg);
  background: #0b0c11;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.code-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
  background: rgba(255, 255, 255, 0.02);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--muted);
}

.code-method {
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255, 159, 26, 0.16);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.code-method--get {
  background: rgba(70, 211, 154, 0.14);
  color: var(--emerald);
}

.code-method--plain {
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted-strong);
}

.code-head--sub {
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.code pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.79rem;
  line-height: 1.65;
  color: #d7dbe4;
  tab-size: 2;
}

.code pre .k {
  color: var(--accent);
}

.code pre .s {
  color: #9fd6b6;
}

.code pre .c {
  color: #6b7280;
}

.code-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  padding: 12px 18px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.code-foot b {
  color: var(--muted-strong);
  font-weight: 600;
}

.scan {
  position: relative;
  overflow: hidden;
}

.scan-beam {
  position: absolute;
  top: -46%;
  right: 0;
  left: 0;
  height: 46%;
  opacity: 0;
  border-bottom: 1px solid rgba(255, 159, 26, 0.8);
  background: linear-gradient(
    to bottom,
    rgba(255, 159, 26, 0) 0%,
    rgba(255, 159, 26, 0.05) 55%,
    rgba(255, 159, 26, 0.16) 100%
  );
  box-shadow: 0 4px 20px rgba(255, 159, 26, 0.22);
  pointer-events: none;
}

.scan-checks {
  display: grid;
  gap: 10px;
  padding: 15px 18px 3px;
  border-top: 1px solid var(--hairline);
}

.scan-checks li {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: center;
  gap: 10px;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.scan-tick {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(70, 211, 154, 0.5);
  border-radius: 50%;
  background: rgba(70, 211, 154, 0.14);
}

.scan-tick svg {
  width: 11px;
  height: 11px;
  fill: none;
  stroke: var(--emerald);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.scan-tick--lg {
  width: 26px;
  height: 26px;
  box-shadow: 0 0 0 4px rgba(70, 211, 154, 0.08);
}

.scan-tick--lg svg {
  width: 15px;
  height: 15px;
}

.scan-result {
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: center;
  gap: 12px;
  margin: 13px 14px 14px;
  padding: 12px 14px;
  border: 1px solid rgba(70, 211, 154, 0.26);
  border-radius: var(--r-md);
  background: rgba(70, 211, 154, 0.07);
}

.scan-result b {
  display: block;
  color: var(--text);
  font-size: 0.88rem;
}

.scan-result small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.74rem;
}

.slide.is-current .scan-beam {
  animation: scanBeam 6.4s linear infinite;
}

.slide.is-current .scan-checks li:nth-child(1) {
  animation: scanRow1 6.4s var(--ease-out) infinite;
}

.slide.is-current .scan-checks li:nth-child(2) {
  animation: scanRow2 6.4s var(--ease-out) infinite;
}

.slide.is-current .scan-checks li:nth-child(3) {
  animation: scanRow3 6.4s var(--ease-out) infinite;
}

.slide.is-current .scan-result {
  animation: scanDone 6.4s var(--ease-out) infinite;
}

@keyframes scanBeam {
  0%,
  4% {
    top: -46%;
    opacity: 0;
  }

  8% {
    opacity: 1;
  }

  28% {
    top: 100%;
    opacity: 1;
  }

  33% {
    top: 100%;
    opacity: 0;
  }

  100% {
    top: 100%;
    opacity: 0;
  }
}

@keyframes scanRow1 {
  0%,
  12% {
    opacity: 0.26;
    transform: translateY(3px);
  }

  17%,
  95% {
    opacity: 1;
    transform: none;
  }

  100% {
    opacity: 0.26;
    transform: translateY(3px);
  }
}

@keyframes scanRow2 {
  0%,
  18% {
    opacity: 0.26;
    transform: translateY(3px);
  }

  23%,
  95% {
    opacity: 1;
    transform: none;
  }

  100% {
    opacity: 0.26;
    transform: translateY(3px);
  }
}

@keyframes scanRow3 {
  0%,
  24% {
    opacity: 0.26;
    transform: translateY(3px);
  }

  29%,
  95% {
    opacity: 1;
    transform: none;
  }

  100% {
    opacity: 0.26;
    transform: translateY(3px);
  }
}

@keyframes scanDone {
  0%,
  32% {
    opacity: 0;
    transform: translateY(6px);
  }

  40%,
  95% {
    opacity: 1;
    transform: none;
  }

  100% {
    opacity: 0;
    transform: translateY(6px);
  }
}

/* ------------------------------------------------------------- slide: geo */

.geo-cols {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(22px, 3vw, 46px);
  align-items: start;
}

.chip-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px 9px 10px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.88rem;
  font-weight: 600;
}

.chip svg {
  width: 22px;
  height: 22px;
  border-radius: 50%;
}

.chip--more {
  padding-left: 15px;
  color: var(--muted);
  border-style: dashed;
  font-weight: 500;
}

.rate-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.rate-list > div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
}

.rate-list > div + div {
  border-top: 1px solid var(--hairline);
}

.rate-list dt {
  color: var(--muted-strong);
  font-size: 0.92rem;
  font-weight: 600;
}

.rate-list dd {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.method {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--surface);
}

.method b {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
}

.method span {
  color: var(--muted);
  font-size: 0.84rem;
}

.note-spaced {
  margin-top: 16px;
}

/* ---------------------------------------------------------- slide: ledger */

.ledger {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.ledger-col {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 24px 26px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: var(--surface);
}

.ledger-col--lead {
  border-color: rgba(255, 159, 26, 0.28);
  background:
    radial-gradient(520px circle at 100% 0%, rgba(255, 159, 26, 0.12), transparent 60%),
    var(--surface-strong);
}

.ledger-col h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.ledger-rows {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ledger-rows li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: baseline;
  color: var(--muted-strong);
  font-size: 0.9rem;
  line-height: 1.45;
}

.ledger-rows b {
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
}

.ledger-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ----------------------------------------------------------- slide: rates */

.rates {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.rate-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 14px;
  padding: 20px 22px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: var(--surface);
}

.rate-head {
  display: flex;
  align-items: center;
  gap: 11px;
}

.rate-flag {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
}

.rate-flag svg {
  display: block;
  width: 100%;
  height: 100%;
}

.rate-country {
  display: grid;
  gap: 1px;
  min-width: 0;
}

.rate-country b {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.02em;
}

.rate-country span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.rate-legs {
  display: grid;
  gap: 1px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--hairline);
  overflow: hidden;
}

.rate-leg {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 3px 10px;
  padding: 13px 15px 14px;
  background: rgba(11, 12, 16, 0.72);
}

.rate-leg__label {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rate-leg__value {
  justify-self: end;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.rate-leg--in .rate-leg__value {
  color: var(--accent);
}

.rate-leg__value small {
  margin-left: 1px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
}

.rate-leg__limit {
  grid-column: 1 / -1;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.73rem;
}

.rate-methods {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 6px;
}

.rate-methods span {
  padding: 4px 9px 5px;
  border: 1px solid var(--hairline-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-strong);
  font-size: 0.72rem;
  font-weight: 600;
}

.rate-foot {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px 26px;
  margin-top: 12px;
  padding: 16px 22px 17px;
  border: 1px solid rgba(255, 159, 26, 0.26);
  border-radius: var(--r-lg);
  background:
    radial-gradient(680px circle at 0% 0%, rgba(255, 159, 26, 0.11), transparent 62%),
    var(--surface-strong);
}

.rate-foot h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.rate-foot h3 small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 500;
  letter-spacing: 0;
}

.rate-foot dl {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 0;
}

.rate-foot dl > div {
  display: grid;
  gap: 2px;
}

.rate-foot dt {
  color: var(--muted);
  font-size: 0.73rem;
  font-weight: 600;
}

.rate-foot dd {
  margin: 0;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}

.rate-foot p {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 11px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 0.81rem;
  line-height: 1.45;
}

/* ----------------------------------------------------------- slide: media */

.media-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.media-card {
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: var(--surface);
  overflow: hidden;
}

.media-card__art {
  position: relative;
  height: clamp(150px, 22vh, 210px);
  overflow: hidden;
}

.media-card__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 30% 55%;
  transition: transform 800ms var(--ease-out);
}

.media-card__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(21, 22, 28, 0.96), rgba(7, 7, 9, 0.1) 62%);
}

.media-card:hover .media-card__art img {
  transform: scale(1.04);
}

.media-card__body {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 20px 24px 24px;
}

.media-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.media-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted-strong);
  font-size: 0.89rem;
  line-height: 1.45;
}

.media-card li {
  padding-left: 15px;
  background: radial-gradient(circle at 3px 9px, var(--accent) 2px, transparent 2.5px);
}

/* ----------------------------------------------------------- slide: steps */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: st;
}

.steps li {
  display: grid;
  align-content: start;
  gap: 8px;
  padding: 20px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-md);
  background: var(--surface);
}

.steps li::before {
  counter-increment: st;
  content: counter(st, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

.steps b {
  font-size: 0.98rem;
}

.steps span {
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.5;
}

.exchange {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 14px;
}

.exchange-col {
  padding: 22px 24px;
  border: 1px solid var(--hairline);
  border-radius: var(--r-lg);
  background: var(--surface);
}

.exchange-col--accent {
  border-color: rgba(255, 159, 26, 0.28);
  background: linear-gradient(180deg, rgba(255, 159, 26, 0.08), transparent 55%), var(--surface-strong);
}

.exchange-col h3 {
  margin-bottom: 14px;
  font-size: 0.98rem;
}

.exchange-col ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted-strong);
  font-size: 0.91rem;
  line-height: 1.45;
}

.exchange-col li {
  padding-left: 16px;
  background: radial-gradient(circle at 3px 9px, currentColor 2px, transparent 2.5px);
}

.exchange-col--accent li {
  background: radial-gradient(circle at 3px 9px, var(--accent) 2px, transparent 2.5px);
}

/* --------------------------------------------------------- slide: closing */

.closing {
  display: grid;
  justify-items: center;
  gap: 20px;
  padding: clamp(34px, 6vh, 62px) clamp(24px, 5vw, 64px);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-xl);
  background:
    radial-gradient(720px circle at 50% 0%, rgba(255, 159, 26, 0.13), transparent 62%),
    var(--surface-strong);
  text-align: center;
}

.closing h2 {
  max-width: 24ch;
}

.closing .lead {
  max-width: 52ch;
}

.closing-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.closing-contact {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.closing-contact a {
  color: var(--muted-strong);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.closing-contact a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ------------------------------------------------------------- hub page */

.hub-body {
  height: auto;
  overflow-y: auto;
}

.hub {
  display: grid;
  align-content: center;
  min-height: 100dvh;
  padding: calc(var(--bar-h) + 44px) 0 64px;
}

.hub-head {
  max-width: 60ch;
  margin-bottom: clamp(26px, 4vh, 44px);
}

.hub-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3.4vw, 2.5rem);
  letter-spacing: -0.035em;
  line-height: 1.08;
  text-wrap: balance;
}

.hub-doors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.hub-door {
  position: relative;
  display: grid;
  align-content: end;
  gap: 14px;
  min-height: 400px;
  padding: 30px 32px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--r-xl);
  overflow: hidden;
  isolation: isolate;
  transition: border-color 300ms var(--ease-out), transform 300ms var(--ease-out);
}

.hub-door:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 159, 26, 0.42);
}

.hub-door img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transition: transform 800ms var(--ease-out);
}

.hub-door:hover img {
  transform: scale(1.05);
}

.hub-door::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(0deg, rgba(7, 7, 9, 0.98) 16%, rgba(7, 7, 9, 0.58) 66%, rgba(7, 7, 9, 0.22) 100%);
}

.hub-door__label {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.hub-door h2 {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.1vw, 1.7rem);
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.hub-door ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted-strong);
  font-size: 0.92rem;
  line-height: 1.45;
}

.hub-door li {
  padding-left: 16px;
  background: radial-gradient(circle at 3px 9px, var(--accent) 2px, transparent 2.5px);
}

.hub-door .btn {
  justify-self: start;
  margin-top: 6px;
}

.hub-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 0.86rem;
}

.hub-foot a {
  color: var(--muted-strong);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.hub-foot a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

@media (max-width: 860px) {
  .hub-doors {
    grid-template-columns: 1fr;
  }

  .hub-door {
    min-height: 330px;
  }

  .hub {
    padding-top: calc(var(--bar-h) + 26px);
  }
}

/* ---------------------------------------------------------------- motion */

.js .slide [data-anim] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 620ms var(--ease-out), transform 620ms var(--ease-out);
  transition-delay: calc(var(--i, 0) * 70ms);
}

.js .slide.is-current [data-anim] {
  opacity: 1;
  transform: none;
}

.slide.is-current .rail-line path {
  animation: railDash 2.6s linear infinite;
}

@keyframes railDash {
  to {
    stroke-dashoffset: -48;
  }
}

.rail-token {
  fill: var(--accent);
  filter: drop-shadow(0 0 6px rgba(255, 159, 26, 0.7));
}

/* ------------------------------------------------------------ responsive */

@media (max-width: 1080px) {
  .bento-cell--wide,
  .bento-cell--half,
  .bento-cell--third {
    grid-column: span 3;
  }

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

  .rail-steps {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (max-width: 860px) {
  body {
    overflow: auto;
  }

  .deck {
    height: auto;
    overflow: visible;
    scroll-snap-type: none;
  }

  .slide {
    min-height: 0;
    padding: calc(var(--bar-h) + 30px) 0 34px;
  }

  .slide--cover {
    min-height: 88dvh;
    padding-top: calc(var(--bar-h) + 60px);
  }

  .cover-body {
    max-width: none;
  }

  .wrap {
    width: calc(100% - 32px);
  }

  .deck-now,
  .deck-audience {
    display: none;
  }

  .deck-bar {
    gap: 10px;
    padding: 0 14px;
  }

  .actors,
  .split,
  .split--wide-left,
  .geo-cols,
  .ledger,
  .media-split,
  .steps,
  .exchange,
  .method-grid,
  .bento,
  .metrics,
  .rates {
    grid-template-columns: 1fr;
  }

  .rate-foot {
    grid-template-columns: 1fr;
  }

  .bento-cell--wide,
  .bento-cell--half,
  .bento-cell--third {
    grid-column: span 1;
  }

  .rail-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .rail {
    display: none;
  }

  .media-card__art {
    height: 170px;
  }
}

@media (max-width: 560px) {
  .deck-bar--top .deck-link {
    display: none;
  }

  .hub-doors {
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .deck {
    scroll-behavior: auto;
  }

  .js .slide [data-anim] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .slide.is-current .rail-line path {
    animation: none;
  }

  .rail-token-motion {
    display: none;
  }

  .media-card img {
    transition: none;
  }

  .scan-beam {
    display: none;
  }

  .slide.is-current .scan-checks li,
  .slide.is-current .scan-result {
    animation: none;
  }
}

/* ----------------------------------------------------------------- print */

@page {
  size: 297mm 167mm;
  margin: 0;
}

@media print {
  html,
  body {
    height: auto;
    overflow: visible;
    background: #070709;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  .deck-bar,
  .deck-progress,
  .deck-overview,
  .skip-link,
  .grain {
    display: none !important;
  }

  .deck {
    height: auto;
    overflow: visible;
  }

  .slide {
    width: 297mm;
    height: 167mm;
    min-height: 0;
    padding: 10mm 0;
    break-after: page;
    page-break-after: always;
    overflow: hidden;
  }

  .slide:last-child {
    break-after: auto;
    page-break-after: auto;
  }

  .slide + .slide::before {
    display: none;
  }

  .wrap {
    width: 265mm;
  }

  .js .slide [data-anim] {
    opacity: 1;
    transform: none;
  }

  .scan-beam {
    display: none;
  }

  .slide.is-current .scan-checks li,
  .slide.is-current .scan-result {
    animation: none;
  }
}