:root {
  color-scheme: dark;
  --bg: #070a10;
  --surface: #0e141f;
  --surface-2: #141d2b;
  --line: #26344a;
  --text: #f4f7fb;
  --muted: #aebbd0;
  --blue: #5b96ff;
  --blue-soft: #172c50;
  --orange: #ff7043;
  --orange-soft: #3c211b;
  --green: #42d8ae;
  --green-soft: #153d35;
  --pink: #f26dba;
  --shadow: 0 28px 80px rgb(0 0 0 / 36%);
  --topbar-height: 72px;
  --controls-height: 84px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
}

body {
  color: var(--text);
  background:
    radial-gradient(circle at 76% 10%, rgb(91 150 255 / 13%), transparent 33%),
    radial-gradient(circle at 13% 84%, rgb(255 112 67 / 10%), transparent 28%),
    var(--bg);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  content: "";
  opacity: .28;
  background-image:
    linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

button,
a {
  font: inherit;
}

button,
a[href] {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  color: #071018;
  background: #fff;
  border-radius: 8px;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--topbar-height);
  padding: 0 clamp(20px, 3vw, 56px);
  border-bottom: 1px solid rgb(255 255 255 / 8%);
  background: rgb(7 10 16 / 76%);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .12em;
  text-decoration: none;
}

.brand b {
  color: var(--blue);
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--bg);
  font-size: 16px;
  font-weight: 900;
  background: var(--text);
  border-radius: 8px;
}

.topbar-right,
.controls,
.nav-button,
.chip-row,
.mini-flow,
.verification-line,
.cta-row {
  display: flex;
  align-items: center;
}

.topbar-right {
  gap: 16px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
}

.icon-button {
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  transition: border-color 180ms ease, background 180ms ease;
}

.icon-button:hover {
  border-color: var(--blue);
  background: var(--surface-2);
}

.icon-button svg,
.nav-button svg,
.need-card svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.icon-button svg,
.nav-button svg {
  width: 22px;
  height: 22px;
}

.deck {
  position: relative;
  z-index: 1;
  width: 100vw;
  height: 100svh;
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: calc(var(--topbar-height) + clamp(26px, 4vh, 58px)) clamp(24px, 5vw, 96px) calc(var(--controls-height) + 38px);
  opacity: 0;
  pointer-events: none;
  transform: translateX(42px);
  transition: opacity 240ms ease, transform 240ms ease;
}

.slide[data-state="past"] {
  transform: translateX(-42px);
}

.slide.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.initial-render .slide {
  transition: none;
}

.slide-inner {
  width: min(100%, 1580px);
  min-height: calc(100svh - var(--topbar-height) - var(--controls-height) - clamp(64px, 10vh, 112px));
  margin: 0 auto;
}

.hero-grid,
.split-visual,
.final-grid {
  display: grid;
  gap: clamp(30px, 5vw, 76px);
  align-items: center;
  grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
}

.copy-block {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--orange);
  font-size: clamp(13px, 1vw, 17px);
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2 {
  margin: 0;
  max-width: 18ch;
  font-weight: 780;
  line-height: .99;
  letter-spacing: -.055em;
}

h1 {
  font-size: clamp(48px, 6vw, 102px);
}

h2 {
  font-size: clamp(42px, 5.15vw, 86px);
}

h1 em,
h2 em {
  color: var(--blue);
  font-style: normal;
}

.lead,
.section-lead {
  max-width: 64ch;
  color: #cfdaea;
  font-size: clamp(18px, 1.45vw, 26px);
  line-height: 1.6;
}

.lead {
  margin: 28px 0;
}

.lead.compact {
  max-width: 48ch;
  margin-bottom: 26px;
  font-size: clamp(17px, 1.25vw, 22px);
}

.section-lead {
  margin: 22px 0 30px;
}

.chip-row {
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  padding: 9px 13px;
  color: #dce6f6;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
}

.takeaway,
.statement,
.security-note {
  border-left: 4px solid var(--orange);
  background: linear-gradient(90deg, rgb(255 112 67 / 11%), transparent);
}

.takeaway {
  max-width: 58ch;
  margin: 28px 0 0;
  padding: 13px 16px;
  color: #e6edf7;
  font-size: clamp(16px, 1.1vw, 20px);
  font-weight: 650;
  line-height: 1.5;
}

.visual-frame {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid #34445c;
  background: #0b111a;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.visual-frame::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  border: 1px solid rgb(255 255 255 / 8%);
  border-radius: inherit;
}

.visual-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.visual-frame figcaption {
  position: relative;
  z-index: 2;
  padding: 12px 16px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
  background: #0d141f;
  border-top: 1px solid var(--line);
}

.visual-frame figcaption b {
  color: var(--text);
}

.hero-visual img {
  max-height: 64vh;
}

.need-grid {
  display: grid;
  gap: clamp(12px, 1.4vw, 22px);
  margin-top: clamp(26px, 4vh, 44px);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.need-card {
  min-height: 178px;
  padding: clamp(18px, 1.8vw, 28px);
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgb(20 29 43 / 94%), rgb(10 15 24 / 94%));
  border-radius: 18px;
}

.need-card svg {
  width: 32px;
  height: 32px;
  color: var(--blue);
}

.need-card h3 {
  margin: 16px 0 8px;
  font-size: clamp(20px, 1.45vw, 27px);
}

.need-card p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(14px, .94vw, 17px);
  line-height: 1.55;
}

.statement {
  margin: 24px 0 0;
  padding: 14px 18px;
  color: var(--text);
  font-size: clamp(18px, 1.35vw, 24px);
  font-weight: 750;
}

.route-layout {
  display: grid;
  gap: 22px;
  align-items: stretch;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
}

.route-card {
  position: relative;
  padding: clamp(24px, 3vw, 46px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
}

.route-card::before {
  position: absolute;
  width: 240px;
  height: 240px;
  right: -110px;
  bottom: -130px;
  content: "";
  border-radius: 50%;
  filter: blur(6px);
}

.route-a {
  background: linear-gradient(145deg, #121e34, #0b111b);
}

.route-a::before {
  background: rgb(91 150 255 / 20%);
}

.route-b {
  background: linear-gradient(145deg, #231810, #0c1119);
}

.route-b::before {
  background: rgb(255 112 67 / 18%);
}

.route-label {
  display: inline-flex;
  padding: 7px 11px;
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .1em;
  border: 1px solid currentColor;
  border-radius: 999px;
}

.route-a .route-label {
  color: #9bbdff;
}

.route-b .route-label {
  color: #ffad91;
}

.route-card h3 {
  margin: 22px 0 16px;
  font-size: clamp(27px, 2.4vw, 43px);
  line-height: 1.14;
}

.route-card p,
.route-card li {
  color: var(--muted);
  font-size: clamp(15px, 1.05vw, 19px);
  line-height: 1.58;
}

.route-card ol {
  margin: 20px 0 0;
  padding-left: 1.4em;
}

.or-divider {
  display: grid;
  place-items: center;
}

.or-divider span {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .08em;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 50%;
}

.converge {
  display: flex;
  gap: 8px 18px;
  align-items: baseline;
  justify-content: center;
  margin-top: 24px;
  padding: 18px 22px;
  text-align: center;
  border: 1px solid #2b564b;
  background: var(--green-soft);
  border-radius: 16px;
}

.converge span {
  color: #b9cbc5;
}

.converge strong {
  color: var(--green);
  font-size: clamp(20px, 1.7vw, 30px);
}

.evidence-grid {
  display: grid;
  gap: clamp(18px, 2vw, 30px);
  align-items: stretch;
  margin-top: clamp(26px, 4vh, 42px);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.evidence-grid .visual-frame {
  display: flex;
  flex-direction: column;
}

.evidence-grid .visual-frame img {
  flex: 1;
  min-height: 0;
  max-height: 46vh;
  object-fit: contain;
}

.verification-line {
  flex-wrap: wrap;
  gap: 12px 18px;
  justify-content: center;
  margin-top: 22px;
  padding: 15px 20px;
  font-size: clamp(16px, 1.25vw, 22px);
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 14px;
}

.verification-line i {
  color: var(--blue);
  font-size: 1.2em;
  font-style: normal;
  font-weight: 900;
}

.verification-line strong {
  color: var(--green);
}

.split-visual {
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
}

.tall-visual img {
  max-height: 62vh;
}

.status-stack {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.status-stack span {
  display: flex;
  gap: 10px;
  align-items: center;
  color: #d8e2f0;
  font-size: clamp(16px, 1.1vw, 20px);
  font-weight: 700;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 16px currentColor;
}

.status-dot.green {
  color: var(--green);
  background: currentColor;
}

.status-dot.blue {
  color: var(--blue);
  background: currentColor;
}

.mini-flow {
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 26px;
}

.mini-flow b {
  padding: 10px 13px;
  color: #dfe8f5;
  font-size: 13px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.mini-flow span {
  color: var(--blue);
}

.wide-evidence {
  display: grid;
  gap: clamp(24px, 3.4vw, 54px);
  align-items: center;
  margin-top: clamp(26px, 4vh, 44px);
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr);
}

.discord-frame img {
  max-height: 52vh;
}

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

.number-flow li {
  display: grid;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 14px;
  grid-template-columns: 42px 1fr;
}

.number-flow li > span {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--bg);
  font-weight: 900;
  background: var(--blue);
  border-radius: 50%;
}

.number-flow b,
.number-flow small {
  display: block;
}

.number-flow b {
  margin-bottom: 3px;
  font-size: clamp(17px, 1.2vw, 21px);
}

.number-flow small {
  color: var(--muted);
  font-size: clamp(13px, .92vw, 16px);
  line-height: 1.4;
}

.operations-layout {
  grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
}

.operations-layout h2 {
  font-size: clamp(38px, 4.1vw, 66px);
}

.module-strip {
  margin: 20px 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 14px;
}

.module-strip img {
  display: block;
  width: 100%;
  height: auto;
}

.module-strip figcaption {
  padding: 8px 11px;
  color: var(--green);
  font-size: 12px;
  font-weight: 750;
  background: var(--green-soft);
}

.delivery-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 16px;
}

.delivery-list article {
  display: grid;
  gap: 14px;
  align-items: center;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 14px;
  grid-template-columns: auto 1fr;
}

.delivery-list b {
  font-size: clamp(16px, 1.1vw, 20px);
}

.delivery-list p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.state {
  min-width: 64px;
  padding: 7px 9px;
  text-align: center;
  font-size: 12px;
  font-weight: 850;
  border-radius: 8px;
}

.state.done {
  color: #8cf1d3;
  background: var(--green-soft);
}

.security-note {
  margin: 16px 0 0;
  padding: 12px 15px;
  color: #d8e1ed;
  font-size: clamp(13px, .92vw, 16px);
  line-height: 1.5;
}

.operations-layout .security-note {
  margin-top: 10px;
  padding: 9px 12px;
  font-size: clamp(12px, .8vw, 14px);
}

.final-grid {
  grid-template-columns: minmax(0, 1fr) minmax(0, .9fr);
}

.insight-grid {
  display: grid;
  gap: 10px;
  margin: 24px 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.insight-grid article {
  padding: 15px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 13px;
}

.insight-grid b,
.insight-grid span {
  display: block;
}

.insight-grid b {
  margin-bottom: 5px;
  color: var(--green);
  font-size: clamp(16px, 1.1vw, 20px);
}

.insight-grid span {
  color: var(--muted);
  font-size: 13px;
}

.final-cta {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.final-cta p {
  margin: 0 0 18px;
  color: #d7e1ee;
  font-size: clamp(17px, 1.2vw, 22px);
  line-height: 1.5;
}

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

.cta-row {
  flex-wrap: wrap;
  gap: 10px;
}

.primary-link,
.secondary-link {
  min-height: 46px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  border-radius: 11px;
}

.primary-link {
  color: #06101b;
  background: var(--blue);
}

.secondary-link {
  color: var(--text);
  border: 1px solid var(--line);
  background: var(--surface);
}

.final-visual img {
  max-height: 63vh;
}

.controls {
  position: fixed;
  inset: auto 0 0;
  z-index: 40;
  justify-content: space-between;
  min-height: var(--controls-height);
  padding: 12px clamp(20px, 3vw, 56px) 14px;
  border-top: 1px solid rgb(255 255 255 / 8%);
  background: rgb(7 10 16 / 88%);
  backdrop-filter: blur(20px);
}

.nav-button {
  gap: 8px;
  justify-content: center;
  min-width: 128px;
  min-height: 50px;
  padding: 0 17px;
  color: var(--text);
  font-weight: 800;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 14px;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.nav-button:hover:not(:disabled) {
  border-color: var(--blue);
  background: var(--surface-2);
}

.nav-button.primary {
  color: #07101c;
  border-color: var(--blue);
  background: var(--blue);
}

.nav-button.primary:hover:not(:disabled) {
  background: #79a9ff;
}

.nav-button:disabled {
  cursor: not-allowed;
  opacity: .35;
}

.progress-group {
  display: grid;
  gap: 8px;
  justify-items: center;
}

.dots {
  display: flex;
  gap: 7px;
}

.dot-button {
  width: 28px;
  height: 8px;
  padding: 0;
  overflow: hidden;
  color: transparent;
  border: 0;
  background: #354154;
  border-radius: 999px;
  transition: width 180ms ease, background 180ms ease;
}

.dot-button[aria-current="true"] {
  width: 46px;
  background: var(--blue);
}

.page-status {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: .04em;
}

.progress-bar {
  position: fixed;
  inset: auto 0 0;
  z-index: 50;
  height: 3px;
  background: transparent;
}

.progress-bar span {
  display: block;
  width: 6.25%;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transition: width 220ms ease;
}

.slide[lang="en"] h1,
.slide[lang="en"] h2 {
  max-width: 21ch;
  letter-spacing: -.045em;
}

.slide[lang="en"] {
  padding-top: calc(var(--topbar-height) + 20px);
  padding-bottom: calc(var(--controls-height) + 16px);
}

.slide[lang="en"] h1 {
  font-size: clamp(46px, 5.1vw, 86px);
}

.slide[lang="en"] h2 {
  font-size: clamp(38px, 4.2vw, 70px);
}

.slide[lang="en"] .eyebrow {
  margin-bottom: 13px;
  letter-spacing: .12em;
}

.language-note {
  display: inline-block;
  margin-left: 14px;
  padding: 5px 9px;
  color: #c7d5e8;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
  text-decoration: none;
  text-transform: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
}

.language-note:hover {
  color: #fff;
  border-color: var(--blue);
}

.slide[lang="en"] .lead,
.slide[lang="en"] .section-lead {
  font-size: clamp(16px, 1.2vw, 21px);
}

.slide[lang="en"] .lead {
  margin: 20px 0;
}

.slide[lang="en"] .section-lead {
  margin: 15px 0 20px;
}

.slide[lang="en"] .takeaway {
  margin-top: 18px;
  font-size: clamp(14px, 1vw, 18px);
}

.slide[lang="en"] .need-grid {
  margin-top: 20px;
}

.slide[lang="en"] .need-card {
  min-height: 150px;
  padding: 18px;
}

.slide[lang="en"] .need-card h3 {
  margin: 10px 0 6px;
  font-size: clamp(18px, 1.25vw, 23px);
}

.slide[lang="en"] .need-card p {
  line-height: 1.42;
}

.slide[lang="en"] .statement {
  margin-top: 16px;
  padding: 11px 16px;
  font-size: clamp(16px, 1.15vw, 21px);
}

.slide[lang="en"] .route-card {
  padding: clamp(18px, 1.7vw, 26px);
}

.slide[lang="en"] .route-card h3 {
  margin: 14px 0 10px;
  font-size: clamp(24px, 2vw, 34px);
}

.slide[lang="en"] .route-card p,
.slide[lang="en"] .route-card li {
  font-size: clamp(14px, .95vw, 17px);
  line-height: 1.42;
}

.slide[lang="en"] .route-card ol {
  margin-top: 12px;
}

#slide-11 h2 {
  font-size: clamp(36px, 3.8vw, 62px);
}

#slide-11 .route-card h3 {
  font-size: clamp(22px, 1.8vw, 30px);
}

#slide-11 .route-card p,
#slide-11 .route-card li {
  line-height: 1.32;
}

#slide-11 .converge {
  margin-top: 10px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.slide[lang="en"] .converge {
  margin-top: 14px;
  padding: 13px 18px;
}

.slide[lang="en"] .evidence-grid {
  margin-top: 20px;
}

.slide[lang="en"] .evidence-grid .visual-frame img {
  max-height: 34vh;
}

#slide-12 .evidence-grid .visual-frame img {
  max-height: 29vh;
}

.slide[lang="en"] .verification-line {
  margin-top: 14px;
  padding: 12px 16px;
  font-size: clamp(14px, 1.05vw, 19px);
}

.slide[lang="en"] .number-flow {
  gap: 9px;
}

.slide[lang="en"] .number-flow li {
  padding: 9px 11px;
}

#slide-14 .discord-frame img {
  max-height: 44vh;
}

.slide[lang="en"] .operations-layout h2 {
  font-size: clamp(36px, 3.7vw, 60px);
}

#slide-15 .module-strip {
  margin-top: 8px;
}

#slide-15 .delivery-list {
  gap: 7px;
  margin: 10px 0 12px;
}

#slide-15 .delivery-list article {
  padding: 7px 10px;
}

#slide-15 .security-note {
  margin-top: 7px;
  padding: 7px 10px;
  font-size: 12px;
  line-height: 1.38;
}

#slide-15 h2 {
  font-size: clamp(34px, 3.4vw, 54px);
}

#slide-16 h2 {
  font-size: clamp(36px, 3.8vw, 62px);
}

.slide[lang="en"] .insight-grid {
  margin: 18px 0;
}

.slide[lang="en"] .final-cta {
  padding-top: 13px;
}

.slide[lang="en"] .final-cta p {
  margin-bottom: 13px;
  font-size: clamp(15px, 1.05vw, 19px);
}

@media (max-width: 1080px) {
  html,
  body {
    overflow: hidden;
  }

  .hero-grid,
  .split-visual,
  .operations-layout,
  .final-grid,
  .wide-evidence {
    grid-template-columns: 1fr;
  }

  .slide-inner {
    min-height: auto;
  }

  .hero-visual img,
  .tall-visual img,
  .final-visual img,
  .discord-frame img {
    max-height: 44vh;
  }

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

  .route-layout {
    grid-template-columns: 1fr;
  }

  .or-divider {
    height: 26px;
  }

  .or-divider span {
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 720px) {
  :root {
    --topbar-height: 62px;
    --controls-height: 74px;
  }

  .topbar {
    padding: 0 14px;
  }

  .brand {
    font-size: 11px;
  }

  .brand-mark {
    width: 30px;
    height: 30px;
  }

  .hint,
  .nav-button span,
  .page-status {
    display: none;
  }

  .slide {
    padding-right: 16px;
    padding-left: 16px;
  }

  h1,
  h2 {
    line-height: 1.04;
  }

  .need-grid,
  .evidence-grid,
  .insight-grid {
    grid-template-columns: 1fr;
  }

  .need-card {
    min-height: 0;
  }

  .converge {
    display: grid;
  }

  .controls {
    padding-right: 14px;
    padding-left: 14px;
  }

  .nav-button {
    min-width: 50px;
    width: 50px;
    padding: 0;
  }

  .dots {
    gap: 2px;
  }

  .dot-button {
    width: 10px;
    height: 7px;
  }

  .dot-button[aria-current="true"] {
    width: 20px;
  }
}

@media (max-height: 760px) and (min-width: 900px) {
  :root {
    --topbar-height: 60px;
    --controls-height: 68px;
  }

  .slide {
    padding-top: calc(var(--topbar-height) + 22px);
  }

  h1 {
    font-size: clamp(46px, 5.4vw, 78px);
  }

  h2 {
    font-size: clamp(40px, 4.5vw, 66px);
  }

  .lead {
    margin: 18px 0;
  }

  .need-card {
    min-height: 142px;
    padding: 17px;
  }

  .need-card h3 {
    margin: 10px 0 5px;
  }

  .visual-frame img,
  .hero-visual img,
  .tall-visual img,
  .final-visual img,
  .discord-frame img {
    max-height: 52vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }
}