:root {
  --paper: #f3f5f1;
  --paper-soft: #e9ece6;
  --paper-deep: #dfe3dc;
  --ink: #141714;
  --ink-soft: #252a25;
  --muted: #646b64;
  --faint: #8c938c;
  --line: #d1d7cf;
  --line-strong: #aab3a9;
  --green: #18a866;
  --green-soft: #d7f2e2;
  --orange: #ee5b37;
  --blue: #3668e8;
  --page-width: 560px;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  color-scheme: light;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: "MiSans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.68;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -1;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(20, 23, 20, .075) 1px, transparent 0);
  background-size: 24px 24px;
  content: "";
  opacity: .28;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, #000 0, transparent 720px);
}

a,
button {
  color: inherit;
}

button {
  font: inherit;
}

img {
  max-width: 100%;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.page {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 100vh;
  padding: 190px 24px 190px;
  overflow-x: clip;
  justify-content: center;
}

.holder {
  position: relative;
  z-index: 1;
  display: flex;
  width: min(100%, var(--page-width));
  flex-direction: column;
  gap: 72px;
}

.signal-stage {
  position: absolute;
  z-index: 0;
  top: 34px;
  left: 50%;
  width: min(960px, calc(100% - 40px));
  opacity: .84;
  pointer-events: none;
  transform: translateX(-50%);
}

.signal-map {
  width: 100%;
  height: auto;
}

.signal-line {
  fill: none;
  stroke: var(--line-strong);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.4;
  vector-effect: non-scaling-stroke;
}

.js .signal-line {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: draw-signal 1.25s var(--ease-out) 160ms forwards;
}

.signal-nodes circle {
  fill: var(--paper);
  stroke: var(--line-strong);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.signal-labels text {
  fill: var(--faint);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 11px;
}

.signal-cursor rect {
  fill: var(--ink);
}

.signal-cursor text {
  fill: #fff;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
}

@keyframes draw-signal {
  to {
    stroke-dashoffset: 0;
  }
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.status-line {
  display: flex;
  margin-bottom: 18px;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 11px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(24, 168, 102, .11);
}

.status-separator {
  width: 1px;
  height: 11px;
  background: var(--line-strong);
}

.hero h1 {
  max-width: 520px;
  margin: 0 0 24px;
  font-size: clamp(34px, 6.7vw, 46px);
  font-weight: 680;
  line-height: 1.13;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-copy p {
  margin: 0;
}

.inline-link {
  display: inline;
  color: var(--ink);
  text-decoration: none;
}

.inline-link > span:first-child {
  box-shadow: inset 0 -1px 0 var(--line-strong);
  transition: box-shadow 160ms ease;
}

.inline-link:hover > span:first-child,
.inline-link:focus-visible > span:first-child {
  box-shadow: inset 0 -1px 0 var(--ink);
}

.inline-icon {
  display: inline-grid;
  width: 17px;
  height: 17px;
  margin-left: 3px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: rgba(255, 255, 255, .45);
  color: var(--muted);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 8px;
  font-weight: 700;
  line-height: 1;
  place-items: center;
  vertical-align: text-bottom;
  transition: border-color 160ms ease, transform 180ms var(--ease-out);
}

.inline-link:hover .inline-icon,
.inline-link:focus-visible .inline-icon {
  border-color: var(--ink);
  transform: translateY(-1px);
}

.inline-link:focus-visible {
  border-radius: 2px;
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.link-preview {
  position: absolute;
  z-index: 30;
  top: calc(100% + 10px);
  left: 50%;
  display: none;
  width: 210px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(248, 249, 246, .96);
  box-shadow: 0 16px 40px rgba(20, 23, 20, .13);
  color: var(--ink);
  font-size: 12px;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -4px) scale(.98);
  transform-origin: 50% 0;
  transition: opacity 160ms ease, transform 180ms var(--ease-out);
}

.link-preview strong,
.link-preview > span:not(.preview-number),
.link-preview img + span {
  display: block;
  padding: 9px 10px;
}

.link-preview strong {
  padding-bottom: 2px;
  font-size: 12px;
}

.link-preview img {
  width: 100%;
  height: 112px;
  object-fit: cover;
}

.link-preview--data {
  padding: 10px;
}

.preview-number {
  display: block;
  color: var(--green);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
}

@media (hover: hover) and (pointer: fine) {
  .inline-link {
    position: relative;
  }

  .inline-link .link-preview {
    display: block;
  }

  .inline-link:hover,
  .inline-link:focus-visible {
    z-index: 40;
  }

  .inline-link:hover .link-preview,
  .inline-link:focus-visible .link-preview {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

.section {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.section-head {
  display: flex;
  min-height: 28px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.section-title,
.section-note {
  margin: 0;
  color: var(--faint);
  font-size: 13px;
  font-weight: 400;
}

.section-note {
  font-size: 11px;
}

.carousel-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.carousel-nav button {
  display: grid;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--faint);
  cursor: pointer;
  place-items: center;
  transition: background-color 160ms ease, color 160ms ease;
}

.carousel-nav button:hover,
.carousel-nav button:focus-visible {
  background: rgba(20, 23, 20, .06);
  color: var(--ink);
}

.carousel-nav button:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.carousel-nav svg {
  width: 19px;
  height: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.carousel {
  width: 100%;
  overflow: hidden;
  border-radius: 16px;
  background: var(--paper-soft);
  touch-action: pan-y;
}

.carousel-track {
  display: flex;
  width: 100%;
  will-change: transform;
}

.carousel-track.is-jumping {
  transition: none !important;
}

.carousel-slide {
  width: 100%;
  min-width: 100%;
  margin: 0;
}

.slide-surface {
  position: relative;
  width: 100%;
  min-height: 350px;
  overflow: hidden;
}

.slide-index {
  position: absolute;
  z-index: 3;
  top: 18px;
  right: 18px;
  color: rgba(255, 255, 255, .74);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 10px;
}

.slide-caption {
  position: absolute;
  z-index: 3;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: grid;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 11px;
  background: rgba(20, 23, 20, .76);
  color: #fff;
  backdrop-filter: blur(14px);
}

.slide-caption p {
  margin: 0 0 2px;
  font-weight: 650;
}

.slide-caption span {
  color: rgba(255, 255, 255, .76);
  font-size: 12px;
}

.slide-caption--paper {
  border-color: rgba(20, 23, 20, .08);
  background: rgba(248, 249, 246, .9);
  color: var(--ink);
}

.slide-caption--paper span {
  color: var(--muted);
}

.slide-surface--system {
  display: flex;
  padding: 54px 28px 120px;
  flex-direction: column;
  justify-content: space-between;
  background: #111511;
  color: #fff;
}

.slide-surface--system::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 28px 28px;
  content: "";
  opacity: .75;
}

.system-diagram {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
}

.system-diagram span {
  display: grid;
  min-width: 52px;
  height: 52px;
  padding: 0 8px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 10px;
  background: rgba(255, 255, 255, .05);
  color: rgba(255, 255, 255, .84);
  font-size: 11px;
  place-items: center;
}

.system-diagram i {
  position: relative;
  height: 1px;
  flex: 1;
  background: rgba(255, 255, 255, .18);
}

.system-diagram i::after {
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.system-metrics {
  position: relative;
  z-index: 2;
  display: grid;
  margin-top: 28px;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.system-metrics div {
  display: grid;
  gap: 2px;
}

.system-metrics strong {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 26px;
  line-height: 1.15;
}

.system-metrics span {
  color: rgba(255, 255, 255, .54);
  font-size: 11px;
}

.slide-surface--horizon {
  display: grid;
  padding: 46px 28px 118px;
  background: #e5efdc;
  color: #142013;
  grid-template-columns: minmax(0, 1fr) 120px;
  gap: 22px;
}

.slide-surface--horizon .slide-index {
  color: rgba(20, 32, 19, .5);
}

.funnel-copy {
  position: relative;
  z-index: 2;
  display: grid;
  align-content: start;
}

.funnel-copy > span {
  margin-bottom: 12px;
  color: #486044;
  font-size: 12px;
}

.funnel-copy strong {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 34px;
  line-height: 1.05;
}

.funnel-copy small {
  margin-top: 2px;
  color: #5f735d;
}

.funnel-copy i {
  width: 42px;
  height: 1px;
  margin: 16px 0;
  background: #8aa486;
}

.funnel-chart {
  display: flex;
  padding-top: 42px;
  align-items: flex-end;
  justify-content: flex-end;
  gap: 8px;
}

.funnel-chart span {
  width: 18px;
  height: var(--bar);
  max-height: 178px;
  min-height: 22px;
  border-radius: 4px 4px 1px 1px;
  background: var(--green);
}

.funnel-chart span:nth-child(2) {
  opacity: .78;
}

.funnel-chart span:nth-child(3) {
  opacity: .56;
}

.funnel-chart span:nth-child(4) {
  opacity: .34;
}

.slide-surface--image {
  min-height: 350px;
  background: var(--paper-deep);
}

.slide-surface--image > img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}

.slide-surface--blue-moon > img {
  object-position: center 32%;
}

.slide-surface--laozhu > img {
  object-position: center 52%;
}

.slide-surface--celestial > img {
  object-position: center 30%;
}

.slide-surface--nightlife > img {
  object-position: center 30%;
}

.visual-grid {
  display: grid;
  grid-auto-rows: 210px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.visual-item {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 12px;
  background: var(--paper-deep);
}

.visual-item--feature {
  grid-row: span 2;
}

.visual-item--wide {
  grid-column: 1 / -1;
}

.visual-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms var(--ease-out);
}

.visual-item--feature img {
  object-position: center 30%;
}

.visual-item:nth-child(2) img {
  object-position: center 52%;
}

.visual-item:nth-child(3) img {
  object-position: center 30%;
}

.visual-item--wide img {
  object-position: center 28%;
}

.visual-item::after {
  position: absolute;
  inset: 34% 0 0;
  background: linear-gradient(to bottom, transparent, rgba(9, 12, 10, .78));
  content: "";
  pointer-events: none;
}

.visual-item figcaption {
  position: absolute;
  z-index: 2;
  right: 14px;
  bottom: 14px;
  left: 14px;
  display: grid;
  gap: 1px;
  color: #fff;
}

.visual-item figcaption span {
  color: rgba(255, 255, 255, .62);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 9px;
}

.visual-item figcaption strong {
  font-size: 15px;
  font-weight: 620;
}

.visual-item figcaption small {
  max-width: 320px;
  margin-top: 4px;
  color: rgba(255, 255, 255, .72);
  font-size: 11px;
  line-height: 1.45;
}

.visual-item:hover img {
  transform: scale(1.025);
}

.system-list {
  display: flex;
  flex-direction: column;
}

.system-item {
  display: grid;
  width: 100%;
  min-height: 82px;
  padding: 14px 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  text-align: left;
  transition: padding 180ms var(--ease-out), background-color 180ms ease;
}

.system-item:last-child {
  border-bottom: 1px solid var(--line);
}

.system-item:hover,
.system-item:focus-visible {
  padding-right: 10px;
  padding-left: 10px;
  background: rgba(255, 255, 255, .46);
}

.system-item:focus-visible {
  border-radius: 8px;
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}

.system-mark {
  display: grid;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(20, 23, 20, .08);
  border-radius: 12px;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 11px;
  font-weight: 700;
  place-items: center;
}

.system-mark--ink {
  background: var(--ink);
  color: #fff;
}

.system-mark--green {
  background: var(--green-soft);
  color: #116c44;
}

.system-mark--orange {
  background: #fbe0d7;
  color: #9d381d;
}

.system-mark--blue {
  background: #dfe6fb;
  color: #244fb9;
}

.system-mark--paper {
  background: #fff;
  color: var(--ink);
}

.system-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 2px;
}

.system-copy strong {
  font-size: 14px;
  font-weight: 620;
}

.system-copy span {
  color: var(--muted);
  font-size: 12px;
}

.system-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-pill {
  display: inline-flex;
  min-height: 24px;
  padding: 2px 8px;
  border-radius: 999px;
  align-items: center;
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 10px;
  white-space: nowrap;
}

.status-pill--live {
  border: 1px solid rgba(24, 168, 102, .22);
  background: rgba(24, 168, 102, .08);
  color: #107548;
}

.system-arrow {
  color: var(--faint);
  transition: color 160ms ease, transform 180ms var(--ease-out);
}

.system-item:hover .system-arrow,
.system-item:focus-visible .system-arrow {
  color: var(--ink);
  transform: translate(2px, -2px);
}

.index-list {
  display: flex;
  margin: 0;
  padding: 0;
  flex-direction: column;
  list-style: none;
}

.index-list li {
  border-top: 1px solid var(--line);
}

.index-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.index-list button {
  display: flex;
  width: 100%;
  min-height: 56px;
  padding: 12px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  align-items: baseline;
  gap: 16px;
  text-align: left;
  transition: padding 180ms var(--ease-out), color 160ms ease;
}

.index-list button:hover,
.index-list button:focus-visible {
  padding-right: 8px;
  padding-left: 8px;
  color: var(--ink);
}

.index-list button:focus-visible {
  border-radius: 6px;
  outline: 2px solid var(--ink);
  outline-offset: 1px;
}

.index-list button > span {
  flex: 0 0 auto;
  border-bottom: 1px solid var(--line-strong);
  line-height: 20px;
}

.index-list small {
  display: flex;
  min-width: 0;
  flex: 1;
  align-items: baseline;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.index-list small > span:last-child {
  margin-left: auto;
  font-size: 14px;
}

.sample-pair {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  align-items: start;
  gap: 12px;
}

.sample-item {
  min-width: 0;
  margin: 0;
}

.sample-item img {
  display: block;
  width: 100%;
  height: 292px;
  border-radius: 12px;
  background: #fff;
  object-fit: cover;
  object-position: top center;
}

.sample-item--feed img {
  height: 342px;
  object-position: top center;
}

.sample-item figcaption {
  display: grid;
  gap: 2px;
  padding: 10px 2px 0;
}

.sample-item figcaption span {
  color: var(--faint);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 9px;
}

.sample-item figcaption strong {
  font-size: 13px;
  font-weight: 620;
}

.sample-item figcaption small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
}

.notes-list {
  display: flex;
  margin: 0;
  padding: 0;
  flex-direction: column;
  list-style: none;
}

.notes-list li {
  display: grid;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
}

.notes-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.notes-list > li > span {
  padding-top: 2px;
  color: var(--faint);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 11px;
}

.notes-list div {
  display: grid;
  gap: 3px;
}

.notes-list strong {
  font-weight: 620;
}

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

.site-footer {
  display: grid;
  gap: 64px;
}

.footer-contact {
  display: grid;
  gap: 10px;
}

.footer-contact > span,
.signoff {
  color: var(--faint);
  font-size: 11px;
}

.footer-contact p {
  max-width: 440px;
  margin: 0;
  font-size: 16px;
}

.contact-button {
  display: inline-flex;
  width: fit-content;
  min-height: 40px;
  margin-top: 6px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  align-items: center;
  gap: 10px;
  background: var(--ink);
  color: #fff;
  cursor: pointer;
  transition: transform 180ms var(--ease-out), box-shadow 180ms ease;
}

.contact-button:hover,
.contact-button:focus-visible {
  box-shadow: 0 8px 20px rgba(20, 23, 20, .16);
  transform: translateY(-1px);
}

.contact-button:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.contact-button svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.signoff {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.signature {
  color: var(--ink);
  font-family: "Segoe Script", "Bradley Hand", cursive;
  font-size: 24px;
  line-height: 1.2;
  transform: rotate(-2deg);
  transform-origin: left center;
}

.floating-contact {
  position: fixed;
  z-index: 45;
  bottom: 32px;
  left: 50%;
  display: grid;
  min-width: 138px;
  height: 46px;
  padding: 0 20px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 999px;
  background: rgba(20, 23, 20, .88);
  box-shadow: 0 12px 34px rgba(20, 23, 20, .2);
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  place-items: center;
  backdrop-filter: blur(18px);
  transform: translateX(-50%);
  transition: transform 180ms var(--ease-out), box-shadow 180ms ease;
}

.floating-contact:hover,
.floating-contact:focus-visible {
  box-shadow: 0 14px 40px rgba(20, 23, 20, .27);
  transform: translateX(-50%) translateY(-2px);
}

.floating-contact:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.floating-contact span {
  position: absolute;
  transition: opacity 160ms ease, transform 220ms var(--ease-out);
}

.floating-contact-hover {
  opacity: 0;
  transform: translateY(10px);
}

.floating-contact:hover .floating-contact-default,
.floating-contact:focus-visible .floating-contact-default {
  opacity: 0;
  transform: translateY(-10px);
}

.floating-contact:hover .floating-contact-hover,
.floating-contact:focus-visible .floating-contact-hover {
  opacity: 1;
  transform: translateY(0);
}

dialog {
  color: var(--ink);
}

.project-dialog,
.contact-dialog {
  width: min(640px, calc(100vw - 32px));
  max-height: min(780px, calc(100dvh - 32px));
  margin: auto;
  padding: 34px;
  overflow-y: auto;
  border: 1px solid rgba(20, 23, 20, .12);
  border-radius: 18px;
  background: #fafbf8;
  box-shadow: 0 26px 90px rgba(20, 23, 20, .24);
}

.contact-dialog {
  width: min(520px, calc(100vw - 32px));
}

.project-dialog::backdrop,
.contact-dialog::backdrop {
  background: rgba(16, 19, 16, .52);
  backdrop-filter: blur(5px);
}

.project-dialog[open],
.contact-dialog[open] {
  animation: dialog-in 240ms var(--ease-out);
}

@keyframes dialog-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(.985);
  }
}

.dialog-close {
  position: absolute;
  top: 18px;
  right: 18px;
  display: grid;
  width: 38px;
  height: 38px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(20, 23, 20, .06);
  color: var(--muted);
  cursor: pointer;
  place-items: center;
  transition: background-color 160ms ease, color 160ms ease;
}

.dialog-close:hover,
.dialog-close:focus-visible {
  background: rgba(20, 23, 20, .1);
  color: var(--ink);
}

.dialog-close:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

.dialog-close svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.8;
}

.dialog-kicker {
  margin-bottom: 12px;
  color: var(--green);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 10px;
}

.project-dialog h2,
.contact-dialog h2 {
  max-width: 500px;
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.2;
}

.dialog-lead,
.contact-dialog > p {
  max-width: 540px;
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.dialog-metrics {
  display: grid;
  margin: 22px 0 28px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.dialog-metrics div {
  display: grid;
  gap: 1px;
}

.dialog-metrics strong {
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 24px;
}

.dialog-metrics span {
  color: var(--muted);
  font-size: 11px;
}

.dialog-image {
  display: block;
  width: 100%;
  max-height: 360px;
  margin: 22px 0 28px;
  border-radius: 12px;
  background: var(--paper-soft);
  object-fit: cover;
}

.dialog-image--portrait {
  max-height: 520px;
  object-position: center 28%;
}

.skill-flow {
  display: flex;
  margin: 24px 0 30px;
  align-items: center;
  gap: 10px;
}

.skill-flow span {
  display: grid;
  min-height: 52px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #f0f2ed;
  color: var(--muted);
  font-family: "Cascadia Mono", Consolas, monospace;
  font-size: 10px;
  text-align: center;
  place-items: center;
}

.skill-flow i {
  position: relative;
  height: 1px;
  flex: 1;
  background: var(--line-strong);
}

.skill-flow i::after {
  position: absolute;
  top: -2px;
  right: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.dialog-sections {
  display: grid;
  gap: 22px;
}

.dialog-sections section {
  display: grid;
  gap: 6px;
}

.dialog-sections h3 {
  margin: 0;
  font-size: 13px;
  font-weight: 650;
}

.dialog-sections p {
  margin: 0;
  color: var(--muted);
}

.copy-box {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f0f2ed;
}

.copy-box > span {
  color: var(--faint);
  font-size: 11px;
}

.copy-box p {
  margin: 0;
}

.copy-button {
  display: inline-flex;
  width: fit-content;
  min-height: 38px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  align-items: center;
  gap: 8px;
  background: var(--ink);
  color: #fff;
  cursor: pointer;
}

.copy-button:hover,
.copy-button:focus-visible {
  opacity: .88;
}

.copy-button:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.copy-button svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.copy-button.is-copied {
  background: var(--green);
}

.contact-note {
  margin-top: 14px !important;
  color: var(--faint) !important;
  font-size: 11px;
}

@media (max-width: 700px) {
  .page {
    padding: 154px 16px 156px;
  }

  .holder {
    gap: 60px;
  }

  .signal-stage {
    top: 22px;
    width: calc(100% - 32px);
    opacity: .7;
  }

  .signal-labels {
    display: none;
  }

  .signal-cursor {
    display: none;
  }

  .hero h1 {
    margin-bottom: 20px;
    font-size: 34px;
  }

  .slide-surface,
  .slide-surface--image {
    min-height: 330px;
  }

  .slide-surface--image > img {
    height: 330px;
  }

  .visual-grid {
    grid-auto-rows: 178px;
  }

  .slide-surface--system {
    padding: 48px 18px 126px;
  }

  .system-diagram {
    gap: 4px;
  }

  .system-diagram span {
    min-width: 42px;
    height: 44px;
    padding: 0 5px;
    font-size: 10px;
  }

  .slide-surface--horizon {
    padding: 48px 20px 126px;
    grid-template-columns: 1fr 84px;
  }

  .funnel-chart {
    gap: 5px;
  }

  .funnel-chart span {
    width: 13px;
  }

  .system-item {
    min-height: 76px;
    grid-template-columns: 44px minmax(0, 1fr) auto;
    gap: 12px;
  }

  .system-mark {
    width: 44px;
    height: 44px;
    border-radius: 11px;
  }

  .system-copy span {
    font-size: 11px;
  }

  .status-pill {
    display: none;
  }

  .index-list button {
    align-items: flex-start;
  }

  .index-list small {
    flex-direction: column;
    gap: 1px;
  }

  .index-list small > span:last-child {
    display: none;
  }

  .sample-pair {
    grid-template-columns: 1fr;
  }

  .sample-item img,
  .sample-item--feed img {
    height: 300px;
  }

  .signoff {
    align-items: flex-start;
    flex-direction: column;
  }

  .project-dialog,
  .contact-dialog {
    width: calc(100vw - 16px);
    max-height: calc(100dvh - 16px);
    padding: 28px 20px 24px;
    border-radius: 16px;
  }

  .project-dialog h2,
  .contact-dialog h2 {
    padding-right: 28px;
    font-size: 24px;
  }

  .dialog-metrics {
    gap: 6px;
  }

  .dialog-metrics strong {
    font-size: 20px;
  }

  .floating-contact {
    display: none;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 31px;
  }

  .section-note {
    display: none;
  }

  .slide-caption {
    right: 12px;
    bottom: 12px;
    left: 12px;
    padding: 12px;
  }

  .slide-index {
    top: 14px;
    right: 14px;
  }

  .system-diagram span {
    min-width: 38px;
  }

  .contact-button {
    width: 100%;
    justify-content: center;
  }

  .visual-grid {
    grid-auto-rows: 156px;
  }

  .visual-item figcaption {
    right: 10px;
    bottom: 10px;
    left: 10px;
  }

  .visual-item figcaption small {
    display: none;
  }

  .skill-flow {
    gap: 6px;
  }

  .skill-flow span {
    padding: 7px;
    font-size: 9px;
  }
}

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

  .js .signal-line {
    stroke-dasharray: none;
    stroke-dashoffset: 0;
    animation: none;
  }

  .project-dialog[open],
  .contact-dialog[open] {
    opacity: 1;
    transform: none;
    transition: none;
    animation: none;
  }
}