/* ==========================================================================
   KANA / 369.GD
   A personal index of numbers, order & the cosmos.
   ========================================================================== */

@font-face {
  font-family: "Press Start 2P";
  src: url("assets/fonts/press-start-2p-subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Silkscreen";
  src: url("assets/fonts/silkscreen-subset.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Silkscreen";
  src: url("assets/fonts/silkscreen-bold-subset.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Ark Pixel 10 SC";
  src: url("assets/fonts/ark-pixel-10-zh_hans.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --paper: #f3f0e7;
  --paper-bright: #fbf9f2;
  --ink: #111110;
  --ink-soft: #1b1b1a;
  --void: #0b0b0f;
  --void-2: #121217;
  --void-3: #18181e;
  --muted: #6d6a60;
  --muted-light: #a5a196;
  --line: #d7d2c4;
  --line-strong: #b9b3a5;
  --line-dark: rgba(243, 240, 231, 0.15);
  --orange: #f15a2b;
  --orange-deep: #d94718;
  --orange-light: #ff8259;
  --blue: #2643c7;
  --blue-light: #a7b7ff;
  --violet: #6d4ac8;
  --violet-light: #cbb6ff;
  --c3: var(--orange-deep);
  --c6: var(--blue);
  --c9: var(--violet);
  --c3-dark: var(--orange-light);
  --c6-dark: var(--blue-light);
  --c9-dark: var(--violet-light);
  --font-display: "Press Start 2P", "Courier New", monospace;
  --font-ui: "Silkscreen", "Courier New", monospace;
  --font-cjk: "Ark Pixel 10 SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --shell: 1440px;
  --pad: 48px;
  --header-h: 78px;
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
}

/* ----- Reset -------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-cjk);
  font-size: 20px;
  line-height: 1.8;
  font-weight: 400;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

h1,
h2,
h3,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--orange);
  color: var(--void);
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

.section-line :focus-visible,
.section-contact :focus-visible,
.menu-dialog :focus-visible {
  outline-color: var(--orange-light);
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 12px 16px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-cjk);
  font-size: 20px;
  transform: translateY(-160%);
  transition: transform 0.2s ease;
}

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

.shell {
  width: min(calc(100% - (var(--pad) * 2)), var(--shell));
  margin-inline: auto;
}

.section {
  position: relative;
  padding: 120px 0;
}

.slash {
  color: var(--orange);
}

/* ----- Shared type & elements --------------------------------------------- */

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow-square {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--orange);
}

.eyebrow--dark {
  color: var(--muted-light);
}

.section-title {
  font-family: var(--font-cjk);
  font-size: 50px;
  font-weight: 400;
  line-height: 1.42;
  letter-spacing: -0.02em;
}

.section-title--paper {
  color: var(--paper);
}

.lede {
  max-width: 620px;
  color: var(--ink);
  font-size: 20px;
  line-height: 2;
}

.lede--paper {
  color: var(--paper);
}

.nowrap {
  white-space: nowrap;
}

.chapter {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 72px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chapter-num {
  color: var(--orange-deep);
}

.chapter-label {
  color: var(--ink);
  white-space: nowrap;
}

.chapter-rule {
  width: 100%;
  height: 1px;
  background: var(--line);
}

.chapter-meta {
  white-space: nowrap;
}

.chapter--dark .chapter-label {
  color: var(--paper);
}

.chapter--dark .chapter-rule {
  background: var(--line-dark);
}

.chapter--dark .chapter-num {
  color: var(--orange-light);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: clamp(48px, 7vw, 118px);
  align-items: start;
}

.intro-heading .eyebrow {
  margin-bottom: 22px;
}

.intro-body {
  padding-top: 45px;
}

.btn {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 15px 20px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-cjk);
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease,
    box-shadow 0.22s ease, transform 0.22s ease;
}

.btn:hover {
  transform: translate(2px, 2px);
}

.icon-arrow {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
}

.icon-arrow path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.btn .icon-arrow {
  transition: transform 0.22s var(--ease);
}

.btn:hover .icon-arrow {
  transform: translate(2px, -2px);
}

.btn-primary {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
  box-shadow: 4px 4px 0 var(--orange);
}

.btn-primary:hover {
  box-shadow: 2px 2px 0 var(--orange);
}

.btn-ghost:hover {
  background: var(--ink);
  color: var(--paper);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.2;
}

.status i,
.about-open i {
  display: inline-block;
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--orange);
  animation: blink 2.4s steps(1, end) infinite;
}

/* ----- Header ------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  background: rgba(243, 240, 231, 0.9);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(243, 240, 231, 0.96);
}

.header-inner {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  width: 26px;
  height: 26px;
  transition: transform 0.25s var(--ease);
}

.brand:hover .brand-mark {
  transform: translate(2px, -2px);
}

.brand-text {
  display: flex;
  align-items: baseline;
  gap: 7px;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.brand-sub {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1;
  letter-spacing: 0.06em;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.3vw, 34px);
}

.desktop-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 0;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  background: var(--orange);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav-index {
  color: var(--line-strong);
  font-size: 7px;
  transition: color 0.2s ease;
}

.desktop-nav a:hover,
.desktop-nav a.is-active {
  color: var(--ink);
}

.desktop-nav a:hover::after,
.desktop-nav a.is-active::after {
  transform: scaleX(1);
}

.desktop-nav a.is-active .nav-index {
  color: var(--orange-deep);
}

.nav-divider {
  width: 1px;
  height: 13px;
  flex: 0 0 auto;
  background: var(--line);
}

.desktop-nav .nav-external {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 9px 0;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1;
  letter-spacing: 0.05em;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.desktop-nav .nav-external::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  background: var(--orange);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.desktop-nav .nav-external:hover::after,
.desktop-nav .nav-external:focus-visible::after {
  transform: scaleX(1);
}

.desktop-nav .nav-external .micro-arrow {
  width: 7px;
  height: 7px;
}

.desktop-nav .nav-external.is-copied {
  color: var(--orange-deep);
}

.nav-copy-mark {
  min-width: 29px;
  padding: 3px 4px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 6px;
  line-height: 1;
  letter-spacing: 0.04em;
  text-align: center;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.desktop-nav .nav-external:hover .nav-copy-mark {
  border-color: var(--line-strong);
  color: var(--ink);
}

.header-side {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 20px;
}

.clock {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.clock-dot {
  width: 6px;
  height: 6px;
  background: var(--orange);
  animation: blink 2.4s steps(1, end) infinite;
}

.clock-label {
  color: var(--line-strong);
}

.header-mail {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1;
  letter-spacing: 0.03em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.micro-arrow {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.2;
  stroke-linecap: square;
}

.micro-arrow path {
  fill: none;
}

.header-mail:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
}

.menu-toggle-label {
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.menu-toggle-bars {
  display: flex;
  width: 20px;
  flex-direction: column;
  gap: 4px;
}

.menu-toggle-bars i {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
}

/* ----- Mobile menu -------------------------------------------------------- */

.menu-dialog {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--void);
  color: var(--paper);
}

.menu-dialog::backdrop {
  background: rgba(11, 11, 15, 0.7);
}

.menu-dialog-inner {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 22px var(--pad) 28px;
}

.menu-dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.menu-close {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 9px;
  letter-spacing: 0.06em;
}

.menu-close span {
  color: var(--orange-light);
  font-size: 18px;
  line-height: 1;
}

.menu-nav {
  display: flex;
  flex-direction: column;
  margin-block: auto;
  padding: 40px 0;
}

.menu-nav a {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--font-cjk);
  font-size: 30px;
  line-height: 1.3;
}

.menu-nav a:first-child {
  border-top: 1px solid var(--line-dark);
}

.menu-nav a span {
  color: var(--orange-light);
  font-family: var(--font-display);
  font-size: 9px;
}

.menu-nav a em {
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.04em;
}

.menu-nav a:hover {
  color: var(--orange-light);
}

.menu-channels {
  margin-bottom: 30px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line-dark);
}

.menu-channels-label {
  margin-bottom: 12px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.menu-channels-list {
  border-top: 1px solid var(--line-dark);
}

.menu-channels-list a,
.menu-channels-list button {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-dark);
  color: var(--paper);
  text-align: left;
  transition: color 0.2s ease;
}

.menu-channels-list a:hover,
.menu-channels-list button:hover {
  color: var(--orange-light);
}

.menu-channel-platform {
  color: var(--orange-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.menu-channel-handle {
  font-family: var(--font-cjk);
  font-size: 20px;
  line-height: 1.5;
}

.menu-channels-list .micro-arrow {
  width: 8px;
  height: 8px;
  margin-left: auto;
}

.menu-channel-copy {
  margin-left: auto;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 7px;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.menu-channels-list .is-copied .menu-channel-copy {
  color: var(--orange-light);
}

.menu-dialog-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.menu-dialog-foot a {
  color: var(--paper);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ----- Hero --------------------------------------------------------------- */

.hero {
  position: relative;
  display: flex;
  min-height: 100svh;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 60px) 0 74px;
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(17, 17, 16, 0.22) 1px, transparent 1px);
  background-size: 28px 28px;
  content: "";
  opacity: 0.25;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, black, transparent 78%);
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

.hero::after {
  position: absolute;
  top: 14%;
  right: -18%;
  width: 65vw;
  height: 65vw;
  border: 1px solid rgba(17, 17, 16, 0.055);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(400px, 482px);
  gap: clamp(48px, 6vw, 92px);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
  min-width: 0;
}

.hero-eyebrow {
  margin-bottom: 38px;
}

.hero-title {
  display: flex;
  align-items: flex-end;
  margin-left: -0.05em;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 144px;
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: -0.055em;
  text-shadow: 0.038em 0.038em 0 var(--orange);
  white-space: nowrap;
}

.hero-title-mark {
  display: inline-block;
  width: 0.105em;
  height: 0.105em;
  flex: 0 0 auto;
  margin-bottom: 0.1em;
  margin-left: 0.17em;
  background: var(--ink);
  box-shadow: 0.04em 0.04em 0 var(--orange);
}

.hero-meta {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 38px;
  margin-top: 42px;
  padding-top: 23px;
  border-top: 1px solid var(--line);
}

.hero-alias {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
}

.alias-kicker {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1;
  letter-spacing: 0.05em;
}

.hero-alias strong {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.alias-cn {
  color: var(--muted);
  font-family: var(--font-cjk);
  font-size: 20px;
  line-height: 1.5;
}

.hero-statement {
  margin-bottom: 16px;
  font-family: var(--font-cjk);
  font-size: 30px;
  line-height: 1.55;
  letter-spacing: -0.01em;
}

.hero-desc {
  max-width: 540px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}

.hero-status {
  display: flex;
  max-width: 640px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  margin-top: 44px;
  padding-top: 17px;
  border-top: 1px solid var(--line);
}

.hero-email {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 10px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
  transition: color 0.2s ease;
}

.hero-email:hover {
  color: var(--ink);
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.orbit-card {
  position: relative;
  width: 100%;
  border: 1px solid var(--ink);
  background: var(--void);
  box-shadow: 12px 12px 0 var(--orange);
  color: var(--paper);
  transition: box-shadow 0.4s var(--ease);
}

.orbit-card.is-aligned {
  box-shadow: 12px 12px 0 var(--violet-light), 20px 20px 0 var(--orange);
}

.orbit-card-head,
.orbit-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.orbit-card-head {
  padding: 15px 17px;
  border-bottom: 1px solid var(--line-dark);
  color: var(--muted-light);
}

.hud-label,
.hud-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.hud-square {
  width: 5px;
  height: 5px;
  background: var(--orange);
}

.hud-status {
  color: var(--paper);
}

.hud-status i {
  width: 5px;
  height: 5px;
  background: var(--orange);
  animation: blink 1.8s steps(1, end) infinite;
}

.orbit-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(241, 90, 43, 0.12), transparent 58%),
    repeating-linear-gradient(0deg, transparent 0, transparent 3px, rgba(243, 240, 231, 0.022) 3px, rgba(243, 240, 231, 0.022) 4px);
  isolation: isolate;
}

.orbit-stage::before {
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(243, 240, 231, 0.055);
  content: "";
  pointer-events: none;
}

.orbit-starfield {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background-image: radial-gradient(rgba(243, 240, 231, 0.3) 0.7px, transparent 0.9px);
  background-size: 34px 31px;
  opacity: 0.6;
}

.pixel-star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--paper);
  animation: twinkle var(--star-duration, 4s) steps(1, end) infinite;
  animation-delay: var(--star-delay, 0s);
}

.pixel-star.is-orange {
  background: var(--orange);
}

.stage-corner {
  position: absolute;
  z-index: 4;
  color: rgba(243, 240, 231, 0.42);
  font-family: var(--font-ui);
  font-size: 7px;
  line-height: 1;
  letter-spacing: 0.04em;
}

.stage-corner--tl {
  top: 27px;
  left: 28px;
}

.stage-corner--tr {
  top: 27px;
  right: 28px;
}

.stage-corner--bl {
  bottom: 27px;
  left: 28px;
}

.stage-corner--br {
  right: 28px;
  bottom: 27px;
}

.orbit-axis {
  position: absolute;
  z-index: 1;
  background: rgba(243, 240, 231, 0.08);
}

.orbit-axis--x {
  top: 50%;
  right: 8%;
  left: 8%;
  height: 1px;
}

.orbit-axis--y {
  top: 8%;
  bottom: 8%;
  left: 50%;
  width: 1px;
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  border: 1px dashed rgba(243, 240, 231, 0.25);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-ring--1 {
  width: 78%;
  height: 78%;
  animation: orbit-spin 70s linear infinite;
}

.orbit-ring--2 {
  width: 57%;
  height: 57%;
  border-color: rgba(243, 240, 231, 0.32);
  animation: orbit-spin-reverse 52s linear infinite;
}

.orbit-ring--3 {
  width: 37%;
  height: 37%;
  border-style: solid;
  border-color: rgba(241, 90, 43, 0.28);
  animation: orbit-spin 38s linear infinite;
}

.orbit-dot {
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  background: var(--paper);
  transform: translateX(-50%);
}

.orbit-ring--1 .orbit-dot {
  background: var(--orange);
}

.orbit-ring--2 .orbit-dot {
  width: 4px;
  height: 4px;
  background: var(--blue-light);
}

.orbit-ring--3 .orbit-dot {
  width: 4px;
  height: 4px;
  background: var(--violet-light);
}

.orbit-num {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 5px 7px;
  background: rgba(11, 11, 15, 0.78);
  line-height: 1;
  white-space: nowrap;
}

.orbit-num span {
  font-family: var(--font-display);
  font-size: 26px;
  letter-spacing: -0.05em;
}

.orbit-num em {
  color: rgba(243, 240, 231, 0.56);
  font-family: var(--font-ui);
  font-size: 7px;
  font-style: normal;
  letter-spacing: 0.05em;
}

.orbit-num--3 {
  top: 22%;
  left: 11%;
}

.orbit-num--3 span {
  color: var(--orange-light);
}

.orbit-num--6 {
  right: 9%;
  bottom: 21%;
}

.orbit-num--6 span {
  color: var(--blue-light);
}

.orbit-num--9 {
  top: 28%;
  right: 12%;
}

.orbit-num--9 span {
  color: var(--violet-light);
}

.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 4;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 8px;
  transform: translate(-50%, -50%);
}

.orbit-core::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 132px;
  height: 132px;
  border: 1px dashed rgba(241, 90, 43, 0.34);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%);
  animation: core-pulse 7s ease-in-out infinite;
}

.orbit-star {
  position: relative;
  z-index: 1;
  width: 56px;
  height: 56px;
  animation: core-float 7s ease-in-out infinite;
}

.orbit-core-label {
  position: relative;
  z-index: 1;
  color: rgba(243, 240, 231, 0.55);
  font-family: var(--font-ui);
  font-size: 7px;
  line-height: 1;
  letter-spacing: 0.08em;
}

.orbit-scanline {
  position: absolute;
  top: -20%;
  right: 14px;
  left: 14px;
  z-index: 5;
  height: 20%;
  background: linear-gradient(to bottom, transparent, rgba(241, 90, 43, 0.11), transparent);
  pointer-events: none;
  animation: scan 8s linear infinite;
}

.orbit-readout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-dark);
}

.orbit-read {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 7px;
  padding: 14px 15px 15px;
  border-right: 1px solid var(--line-dark);
}

.orbit-read:last-child {
  border-right: 0;
}

.orbit-read span {
  font-family: var(--font-display);
  font-size: 13px;
  line-height: 1;
  letter-spacing: -0.04em;
}

.orbit-read em {
  overflow: hidden;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 7px;
  font-style: normal;
  line-height: 1.2;
  letter-spacing: 0.03em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.orbit-read--3 span {
  color: var(--orange-light);
}

.orbit-read--6 span {
  color: var(--blue-light);
}

.orbit-read--9 span {
  color: var(--violet-light);
}

.orbit-card-foot {
  padding: 12px 15px;
  border-top: 1px solid var(--line-dark);
  color: rgba(243, 240, 231, 0.45);
}

.hero-figure-note {
  display: flex;
  width: 100%;
  justify-content: space-between;
  gap: 18px;
  margin-top: 22px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.5;
  letter-spacing: 0.03em;
}

.hero-scroll {
  position: absolute;
  bottom: 24px;
  left: var(--pad);
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1;
  letter-spacing: 0.05em;
}

.hero-scroll i {
  display: block;
  width: 34px;
  height: 1px;
  background: var(--line-strong);
}

/* ----- Ticker ------------------------------------------------------------- */

.ticker {
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: 15px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.ticker-track {
  display: flex;
  width: max-content;
  animation: ticker 38s linear infinite;
}

.ticker:hover .ticker-track {
  animation-play-state: paused;
}

.ticker-group {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
}

.ticker-group span {
  display: inline-block;
  padding-inline: 26px;
  font-family: var(--font-ui);
  font-size: 10px;
  line-height: 1;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.ticker-group b {
  color: var(--orange-light);
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 400;
  margin-right: 3px;
}

.ticker-mark {
  display: block;
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--orange);
}

/* ----- Cosmos ------------------------------------------------------------- */

.section-cosmos {
  padding-top: 132px;
}

.section-cosmos::before {
  position: absolute;
  top: 0;
  right: var(--pad);
  width: 1px;
  height: 90px;
  background: var(--line);
  content: "";
}

.tesla-quote {
  margin-top: 44px;
  padding: 4px 0 4px 24px;
  border-left: 2px solid var(--orange);
}

.quote-mark {
  display: block;
  height: 24px;
  color: var(--orange-deep);
  font-family: var(--font-cjk);
  font-size: 58px;
  line-height: 0.72;
}

.tesla-quote blockquote {
  margin-bottom: 17px;
  font-family: var(--font-cjk);
  font-size: 30px;
  line-height: 1.6;
}

.tesla-quote figcaption {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.6;
  letter-spacing: 0.04em;
}

.tesla-quote figcaption span:last-child {
  font-family: var(--font-cjk);
  font-size: 20px;
  letter-spacing: 0;
}

.observations {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 76px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}

.observation {
  padding: 23px 30px 28px;
  border-right: 1px solid var(--line);
}

.observation:last-child {
  border-right: 0;
}

.obs-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.obs-value {
  margin: 29px 0 15px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.06em;
}

.obs-title {
  margin-bottom: 7px;
  font-family: var(--font-cjk);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
}

.obs-text {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.8;
}

.number-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.number-card {
  --accent: var(--c3);
  display: flex;
  min-height: 415px;
  flex-direction: column;
  padding: 27px 29px 28px;
  border-right: 1px solid var(--line);
  transition: background 0.3s ease, color 0.3s ease;
}

.number-card:last-child {
  border-right: 0;
}

.number-card.key-6 {
  --accent: var(--c6);
}

.number-card.key-9 {
  --accent: var(--c9);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.card-glyph {
  display: block;
  width: 7px;
  height: 7px;
  background: var(--accent);
}

.card-value {
  margin: 38px 0 24px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 0.9;
  letter-spacing: -0.06em;
  transition: color 0.3s ease, transform 0.35s var(--ease);
}

.card-title-group {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.3s ease;
}

.card-title {
  display: inline-flex;
  align-items: flex-start;
  gap: 7px;
  font-family: var(--font-cjk);
  font-size: 30px;
  font-weight: 400;
  line-height: 1.45;
}

.card-title-cn {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.card-en {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.5;
  letter-spacing: 0.03em;
  transition: color 0.3s ease;
}

.card-body {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.9;
  transition: color 0.3s ease;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 26px;
}

.card-tags li {
  padding: 5px 7px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.2;
  letter-spacing: 0.03em;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.number-card:hover {
  background: var(--ink);
  color: var(--paper);
}

.number-card:hover .card-value {
  transform: translateY(-4px);
}

.number-card:hover .card-title-group {
  border-color: var(--line-dark);
}

.number-card:hover .card-body,
.number-card:hover .card-top,
.number-card:hover .card-title-cn,
.number-card:hover .card-en {
  color: var(--muted-light);
}

.number-card:hover .card-tags li {
  border-color: var(--line-dark);
  color: var(--muted-light);
}

.section-footnote {
  display: flex;
  max-width: 810px;
  align-items: flex-start;
  gap: 12px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.8;
}

.footnote-mark {
  flex: 0 0 auto;
  color: var(--orange-deep);
}

/* ----- The 369 line ------------------------------------------------------- */

.section-line {
  overflow: hidden;
  border-top: 1px solid var(--ink);
  background: var(--void);
  color: var(--paper);
}

.section-line::before {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(243, 240, 231, 0.26) 1px, transparent 1px);
  background-size: 38px 42px;
  content: "";
  opacity: 0.22;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(110deg, black, transparent 65%);
  mask-image: linear-gradient(110deg, black, transparent 65%);
}

.section-line .shell {
  position: relative;
  z-index: 1;
}

.line-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(0, 1.06fr);
  gap: clamp(48px, 7vw, 118px);
  margin-bottom: 78px;
  align-items: start;
}

.line-intro .intro-body {
  padding-top: 41px;
}

.line-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 0.98fr) minmax(0, 1.08fr);
  gap: 28px;
  align-items: stretch;
}

.line-aside {
  display: flex;
  flex-direction: column;
  padding-top: 2px;
}

.aside-label {
  margin-bottom: 16px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

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

.trait-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 10px;
  align-items: baseline;
  padding: 14px 0 13px;
  border-bottom: 1px solid var(--line-dark);
}

.trait-list li > span {
  color: var(--orange-light);
  font-family: var(--font-display);
  font-size: 8px;
  line-height: 1.5;
}

.trait-list strong {
  font-family: var(--font-cjk);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
}

.trait-list em {
  grid-column: 2;
  margin-top: 3px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  font-style: normal;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.aside-note {
  padding: 22px 0 0;
  color: var(--muted-light);
  font-size: 20px;
  line-height: 1.85;
}

.line-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: auto;
  padding-top: 26px;
  color: rgba(243, 240, 231, 0.64);
  font-size: 20px;
  line-height: 1.75;
}

.line-disclaimer span {
  color: var(--orange-light);
}

.line-grid-wrap {
  min-width: 0;
}

.line-grid-frame {
  position: relative;
  padding-right: 23px;
}

.line-grid {
  display: grid;
  width: 100%;
  aspect-ratio: 1 / 1;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  border: 1px solid var(--line-dark);
}

.line-rail {
  position: absolute;
  top: 16.6667%;
  right: 6px;
  bottom: 16.6667%;
  width: 1px;
  background: linear-gradient(to bottom, var(--c3-dark), var(--c6-dark), var(--c9-dark));
}

.line-rail i {
  position: absolute;
  right: -2px;
  width: 5px;
  height: 5px;
  background: currentColor;
  transform: translateY(-50%);
}

.line-rail i:nth-child(1) {
  top: 0;
  color: var(--c3-dark);
}

.line-rail i:nth-child(2) {
  top: 50%;
  color: var(--c6-dark);
}

.line-rail i:nth-child(3) {
  top: 100%;
  color: var(--c9-dark);
}

.cell {
  position: relative;
  display: flex;
  min-width: 0;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 15px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  border-top: 0;
  border-left: 0;
  color: rgba(243, 240, 231, 0.63);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1;
  text-align: left;
}

.cell:nth-child(3n) {
  border-right: 0;
}

.cell:nth-child(n + 7) {
  border-bottom: 0;
}

.cell.is-muted {
  color: rgba(243, 240, 231, 0.2);
}

.key-cell {
  --key-accent: var(--c3-dark);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(243, 240, 231, 0.035);
  color: var(--paper);
  cursor: pointer;
  transition: background 0.22s ease, color 0.22s ease;
}

.key-cell--6 {
  --key-accent: var(--c6-dark);
}

.key-cell--9 {
  --key-accent: var(--c9-dark);
}

.key-cell:hover {
  background: rgba(243, 240, 231, 0.08);
}

.cell-number {
  color: var(--key-accent);
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.08em;
  transition: color 0.22s ease;
}

.cell-name {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: rgba(243, 240, 231, 0.7);
  font-family: var(--font-cjk);
  font-size: 20px;
  line-height: 1.3;
  transition: color 0.22s ease;
}

.cell-name em {
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 7px;
  font-style: normal;
  line-height: 1.2;
  letter-spacing: 0.03em;
  transition: color 0.22s ease;
}

.cell-arrow {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 6px;
  height: 6px;
  overflow: hidden;
  background: currentColor;
  color: var(--key-accent);
  font-size: 0;
  line-height: 0;
  transition: color 0.22s ease, transform 0.25s var(--ease);
}

.key-cell:hover .cell-arrow {
  transform: scale(1.4);
}

.key-cell:focus-visible {
  outline: 2px solid var(--paper);
  outline-offset: -5px;
}

.key-cell.is-active {
  background: var(--key-accent);
  color: var(--void);
}

.key-cell.is-active .cell-number,
.key-cell.is-active .cell-name,
.key-cell.is-active .cell-name em,
.key-cell.is-active .cell-arrow {
  color: var(--void);
}

.key-cell.is-active .cell-arrow {
  transform: scale(1);
}

.grid-caption {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-top: 14px;
  color: var(--muted-light);
  font-size: 20px;
  line-height: 1.6;
}

.grid-caption span {
  color: var(--orange-light);
}

.reading-wrap {
  min-width: 0;
  min-height: 100%;
}

.reading {
  --reading-accent: var(--c3-dark);
  display: flex;
  height: 100%;
  min-height: 430px;
  flex-direction: column;
  padding: 23px 25px 24px;
  border: 1px solid var(--line-dark);
  background: var(--void-2);
}

.reading[data-reading="6"] {
  --reading-accent: var(--c6-dark);
}

.reading[data-reading="9"] {
  --reading-accent: var(--c9-dark);
}

.reading.is-entering {
  animation: reading-in 0.42s var(--ease);
}

.reading-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.reading-number {
  margin: 33px 0 16px;
  color: var(--reading-accent);
  font-family: var(--font-display);
  font-size: 85px;
  line-height: 0.8;
  letter-spacing: -0.08em;
}

.reading-title {
  display: flex;
  align-items: baseline;
  gap: 9px;
  margin-bottom: 14px;
  font-family: var(--font-cjk);
  font-size: 30px;
  font-weight: 400;
  line-height: 1.5;
}

.reading-title em {
  color: var(--reading-accent);
  font-family: var(--font-ui);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.03em;
}

.reading-body {
  color: var(--muted-light);
  font-size: 20px;
  line-height: 1.9;
}

.reading-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.reading-tags li {
  padding: 3px 8px;
  border: 1px solid var(--line-dark);
  color: var(--paper);
  font-size: 20px;
  line-height: 1.35;
}

.reading-epigraph {
  margin-top: auto;
  padding-top: 23px;
  border-top: 1px solid var(--line-dark);
  color: rgba(243, 240, 231, 0.66);
  font-size: 20px;
  line-height: 1.7;
}

.line-watermark {
  position: absolute;
  right: -28px;
  bottom: -83px;
  z-index: 0;
  color: transparent;
  font-family: var(--font-display);
  font-size: 210px;
  line-height: 1;
  letter-spacing: -0.08em;
  opacity: 0.1;
  pointer-events: none;
  -webkit-text-stroke: 1px var(--paper);
}

/* ----- About -------------------------------------------------------------- */

.section-about {
  background: var(--paper);
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(380px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(48px, 7vw, 112px);
  align-items: start;
}

.identity-card {
  position: sticky;
  top: calc(var(--header-h) + 32px);
  padding: 19px;
  border: 1px solid var(--ink);
  background: var(--void);
  box-shadow: 11px 11px 0 var(--orange);
  color: var(--paper);
}

.id-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.id-art {
  position: relative;
  display: flex;
  aspect-ratio: 1.45 / 1;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-top: 16px;
  border: 1px solid var(--line-dark);
  background-color: #0e0e13;
  background-image:
    linear-gradient(rgba(243, 240, 231, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(243, 240, 231, 0.055) 1px, transparent 1px);
  background-size: 28px 28px;
}

.id-art::after {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(241, 90, 43, 0.12), transparent 50%);
  content: "";
  pointer-events: none;
}

.id-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px dashed rgba(243, 240, 231, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.id-orbit--1 {
  width: 56%;
  height: 86%;
  animation: orbit-spin 64s linear infinite;
}

.id-orbit--2 {
  width: 80%;
  height: 60%;
  border-color: rgba(241, 90, 43, 0.3);
  animation: orbit-spin-reverse 48s linear infinite;
}

.id-k {
  position: relative;
  z-index: 1;
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 118px;
  line-height: 1;
  letter-spacing: -0.08em;
  text-shadow: 7px 7px 0 var(--orange);
}

.id-cross {
  position: absolute;
  z-index: 2;
  color: var(--orange-light);
  font-family: var(--font-ui);
  font-size: 11px;
  line-height: 1;
}

.id-cross--tl {
  top: 10px;
  left: 12px;
}

.id-cross--br {
  right: 12px;
  bottom: 10px;
}

.id-art-label {
  position: absolute;
  right: 12px;
  bottom: 11px;
  left: 12px;
  z-index: 1;
  color: rgba(243, 240, 231, 0.45);
  font-family: var(--font-ui);
  font-size: 7px;
  line-height: 1.3;
  letter-spacing: 0.03em;
}

.id-name {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 0 13px;
  border-bottom: 1px solid var(--line-dark);
}

.id-name strong {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.id-name span {
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.id-data {
  padding-top: 5px;
}

.id-data > div {
  display: grid;
  grid-template-columns: 63px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(243, 240, 231, 0.09);
}

.id-data dt {
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.7;
  letter-spacing: 0.03em;
}

.id-data dd {
  min-width: 0;
  color: var(--paper);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  overflow-wrap: anywhere;
}

.id-data dd a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.id-data dd a:hover {
  color: var(--orange-light);
}

.id-line {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-right: 7px;
  vertical-align: 1px;
}

.id-line i {
  display: block;
  width: 4px;
  height: 4px;
}

.id-line i:nth-child(1) {
  background: var(--orange-light);
}

.id-line i:nth-child(2) {
  background: var(--blue-light);
}

.id-line i:nth-child(3) {
  background: var(--violet-light);
}

.id-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 15px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1;
  letter-spacing: 0.03em;
}

.id-barcode {
  display: block;
  width: 92px;
  height: 17px;
  background: repeating-linear-gradient(
    90deg,
    rgba(243, 240, 231, 0.78) 0 1px,
    transparent 1px 3px,
    rgba(243, 240, 231, 0.78) 3px 5px,
    transparent 5px 6px,
    rgba(243, 240, 231, 0.78) 6px 7px,
    transparent 7px 10px
  );
  opacity: 0.58;
}

.about-copy {
  padding-top: 41px;
}

.about-copy .section-title {
  margin-bottom: 30px;
}

.about-paragraphs {
  display: grid;
  max-width: 680px;
  gap: 17px;
  color: var(--muted);
  font-size: 20px;
  line-height: 2;
}

.about-paragraphs p:first-child {
  color: var(--ink);
}

.principles {
  margin-top: 45px;
  border-top: 1px solid var(--line-strong);
}

.principle {
  display: grid;
  grid-template-columns: 58px 135px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 19px 0;
  border-bottom: 1px solid var(--line);
}

.principle-num {
  font-family: var(--font-display);
  font-size: 10px;
  line-height: 1.7;
  letter-spacing: -0.04em;
}

.principle--3 .principle-num {
  color: var(--c3);
}

.principle--6 .principle-num {
  color: var(--c6);
}

.principle--9 .principle-num {
  color: var(--c9);
}

.principle-name {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.principle-name strong {
  font-family: var(--font-cjk);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.4;
}

.principle-name em {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  font-style: normal;
  line-height: 1.3;
  letter-spacing: 0.03em;
}

.principle p {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.8;
}

.about-signoff {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 33px;
}

.about-open {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 9px;
  line-height: 1.5;
  letter-spacing: 0.03em;
}

.about-open span {
  color: var(--muted);
  font-family: var(--font-cjk);
  font-size: 20px;
  letter-spacing: 0;
}

.signature {
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.signature span {
  color: var(--orange-deep);
}

/* ----- Contact ------------------------------------------------------------ */

.section-contact {
  overflow: hidden;
  border-top: 1px solid var(--ink);
  background: var(--void);
  color: var(--paper);
  padding-bottom: 88px;
}

.section-contact::before {
  position: absolute;
  top: 9%;
  left: -18%;
  width: 68vw;
  height: 68vw;
  border: 1px solid rgba(243, 240, 231, 0.055);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.section-contact .shell {
  position: relative;
  z-index: 1;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.82fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: end;
}

.contact-heading .eyebrow {
  margin-bottom: 22px;
}

.contact-title {
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 104px;
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.055em;
  text-shadow: 0.032em 0.032em 0 var(--orange);
}

.contact-title-mark {
  display: inline-block;
  width: 0.1em;
  height: 0.1em;
  margin-left: 0.12em;
  margin-bottom: 0.06em;
  background: var(--orange);
}

.contact-cn {
  margin-top: 27px;
  color: var(--muted-light);
  font-family: var(--font-cjk);
  font-size: 30px;
  line-height: 1.4;
}

.contact-panel {
  padding-bottom: 4px;
}

.contact-lede {
  max-width: 500px;
  color: var(--muted-light);
  font-size: 20px;
  line-height: 1.95;
}

.contact-mailbox {
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

.contact-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.email-link {
  display: block;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-dark);
  color: var(--paper);
  font-family: var(--font-cjk);
  font-size: 30px;
  line-height: 1.35;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.email-link:hover {
  color: var(--orange-light);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn-paper {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--void);
  box-shadow: 4px 4px 0 var(--orange);
}

.btn-paper:hover {
  box-shadow: 2px 2px 0 var(--orange);
}

.btn-outline-paper {
  border-color: var(--line-dark);
  color: var(--paper);
}

.btn-outline-paper:hover {
  border-color: var(--paper);
  background: var(--paper);
  color: var(--void);
}

.copy-icon {
  position: relative;
  display: block;
  width: 11px;
  height: 11px;
  margin-left: 2px;
  border: 1px solid currentColor;
}

.copy-icon::after {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 11px;
  height: 11px;
  border: 1px solid currentColor;
  background: transparent;
  content: "";
}

.btn-outline-paper.is-copied {
  border-color: var(--orange);
  color: var(--orange-light);
}

.contact-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 33px;
}

.contact-meta dt {
  margin-bottom: 5px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.contact-meta dd {
  color: var(--paper);
  font-family: var(--font-ui);
  font-size: 10px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.contact-channels {
  margin-top: 76px;
  padding-top: 20px;
  border-top: 1px solid var(--line-dark);
}

.channels-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.channels-label {
  color: var(--paper);
}

.channels-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.channel-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  align-items: flex-start;
  padding: 22px 24px 21px;
  border-right: 1px solid var(--line-dark);
  color: var(--paper);
  text-align: left;
  transition: background 0.25s ease, color 0.25s ease;
}

.channel-card:last-child {
  border-right: 0;
}

.channel-top {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.03em;
  transition: color 0.25s ease;
}

.channel-arrow {
  width: 12px;
  height: 12px;
  flex: 0 0 auto;
  color: var(--orange-light);
  transition: transform 0.25s var(--ease), color 0.25s ease;
}

.channel-arrow path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: square;
}

.channel-copy {
  padding: 4px 6px;
  border: 1px solid var(--line-dark);
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 7px;
  line-height: 1;
  letter-spacing: 0.03em;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.channel-handle {
  display: block;
  margin: 22px 0 5px;
  color: var(--paper);
  font-family: var(--font-cjk);
  font-size: 30px;
  line-height: 1.4;
  transition: color 0.25s ease;
}

.channel-meta {
  color: var(--muted-light);
  font-family: var(--font-cjk);
  font-size: 20px;
  line-height: 1.7;
  transition: color 0.25s ease;
}

.channel-card:hover,
.channel-card:focus-visible {
  background: var(--paper);
  color: var(--ink);
}

.channel-card:hover .channel-top,
.channel-card:focus-visible .channel-top,
.channel-card:hover .channel-meta,
.channel-card:focus-visible .channel-meta {
  color: var(--muted);
}

.channel-card:hover .channel-handle,
.channel-card:focus-visible .channel-handle {
  color: var(--orange-deep);
}

.channel-card--discord:hover .channel-handle,
.channel-card--discord:focus-visible .channel-handle {
  color: var(--violet);
}

.channel-card--github:hover .channel-handle,
.channel-card--github:focus-visible .channel-handle {
  color: var(--blue);
}

.channel-card:hover .channel-arrow,
.channel-card:focus-visible .channel-arrow {
  color: var(--orange-deep);
  transform: translate(2px, -2px);
}

.channel-card:hover .channel-copy,
.channel-card:focus-visible .channel-copy {
  border-color: var(--line-strong);
  color: var(--ink);
}

.channel-card.is-copied .channel-copy {
  border-color: var(--violet);
  color: var(--violet);
}

.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--line-dark);
  background: var(--void);
  color: var(--paper);
  padding: 26px 0 24px;
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 10px;
  line-height: 1.2;
  letter-spacing: -0.04em;
}

.footer-brand em {
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  font-style: normal;
  letter-spacing: 0.02em;
}

.footer-mark {
  width: 23px;
  height: 23px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

.footer-nav a {
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.4;
  letter-spacing: 0.03em;
  transition: color 0.2s ease;
}

.footer-nav a:hover {
  color: var(--paper);
}

.key-hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 9px;
  border: 1px solid var(--line-dark);
  color: var(--muted-light);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1;
  letter-spacing: 0.03em;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.key-hint:hover {
  border-color: var(--orange-light);
  color: var(--paper);
}

.key-hint-dot {
  width: 5px;
  height: 5px;
  background: var(--orange);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 25px;
  padding-top: 17px;
  border-top: 1px solid rgba(243, 240, 231, 0.08);
  color: rgba(243, 240, 231, 0.58);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1.5;
  letter-spacing: 0.03em;
}

.footer-note {
  text-align: center;
}

.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted-light);
  transition: color 0.2s ease;
}

.back-to-top span {
  color: var(--orange-light);
}

.back-to-top:hover {
  color: var(--paper);
}

/* ----- Toast / easter egg ------------------------------------------------- */

.copy-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: 310;
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: calc(100vw - 32px);
  padding: 10px 14px;
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: 4px 4px 0 var(--orange);
  color: var(--ink);
  font-family: var(--font-cjk);
  font-size: 20px;
  line-height: 1.5;
  opacity: 0;
  transform: translate(-50%, 12px);
  transition: opacity 0.2s ease, transform 0.25s var(--ease);
}

.copy-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.copy-toast-mark {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--orange);
}

.key-toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 300;
  width: min(348px, calc(100vw - 40px));
  padding: 15px 16px 18px;
  border: 1px solid var(--ink);
  background: var(--paper);
  box-shadow: 8px 8px 0 var(--orange);
  color: var(--ink);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.25s ease, transform 0.3s var(--ease);
}

.key-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.toast-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 8px;
  line-height: 1;
  letter-spacing: 0.04em;
}

.toast-close {
  padding: 3px;
  color: var(--muted);
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1;
}

.toast-close:hover {
  color: var(--orange-deep);
}

.toast-body {
  display: grid;
  grid-template-columns: 37px 1fr;
  column-gap: 12px;
  margin-top: 16px;
}

.toast-star {
  grid-row: 1 / 3;
  align-self: start;
  width: 37px;
  height: 37px;
}

.toast-title {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.1;
  letter-spacing: -0.06em;
}

.toast-copy {
  margin-top: 7px;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
}

.noscript-note {
  width: min(calc(100% - 40px), 760px);
  margin: 22px auto;
  padding: 14px 18px;
  border: 1px solid var(--ink);
  background: var(--paper);
  color: var(--ink);
  font-size: 20px;
  line-height: 1.7;
  text-align: center;
}

/* ----- Reveal ------------------------------------------------------------- */

.reveal-pending {
  opacity: 0;
  transform: translateY(22px);
}

.reveal-pending.is-revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.8s var(--ease);
}

/* ----- Keyframes ---------------------------------------------------------- */

@keyframes blink {
  0%,
  48% {
    opacity: 1;
  }
  49%,
  100% {
    opacity: 0.25;
  }
}

@keyframes orbit-spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes orbit-spin-reverse {
  to {
    transform: translate(-50%, -50%) rotate(-360deg);
  }
}

@keyframes core-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes core-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: translate(-50%, -50%) scale(0.97);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.04);
  }
}

@keyframes scan {
  from {
    top: -25%;
  }
  to {
    top: 115%;
  }
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.18;
  }
  45% {
    opacity: 1;
  }
  70% {
    opacity: 0.42;
  }
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

@keyframes reading-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ----- Responsive --------------------------------------------------------- */

@media (max-width: 1350px) {
  .hero-title {
    font-size: 128px;
  }

  .contact-title {
    font-size: 88px;
  }
}

@media (max-width: 1239px) {
  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + 76px);
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
    gap: 54px;
  }

  .hero-title {
    font-size: 112px;
  }

  .hero-meta {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 28px;
  }

  .hero-statement {
    font-size: 20px;
  }

  .hero-desc {
    font-size: 20px;
  }

  .hero-scroll {
    display: none;
  }

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

  .line-aside {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }

  .aside-label,
  .trait-list {
    grid-column: 1;
  }

  .aside-note {
    grid-column: 2;
    grid-row: 1 / span 2;
    padding-top: 0;
  }

  .line-disclaimer {
    grid-column: 2;
    margin-top: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--line-dark);
  }
}

@media (max-width: 1100px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-side {
    gap: 24px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 58px;
  }

  .hero-visual {
    width: 100%;
    max-width: 500px;
    justify-self: center;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-title {
    font-size: 128px;
  }

  .hero-meta {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .hero-statement {
    font-size: 30px;
  }

  .hero::before {
    -webkit-mask-image: linear-gradient(to bottom, black, transparent 92%);
    mask-image: linear-gradient(to bottom, black, transparent 92%);
  }

  .intro-grid,
  .line-intro {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .intro-body,
  .line-intro .intro-body {
    padding-top: 0;
  }

  .intro-body {
    max-width: 780px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .identity-card {
    position: relative;
    top: auto;
    width: 100%;
    max-width: 590px;
  }

  .about-copy {
    padding-top: 0;
  }

  .about-paragraphs,
  .principles {
    max-width: 780px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 54px;
  }

  .contact-panel {
    max-width: 720px;
  }
}

@media (max-width: 900px) {
  :root {
    --pad: 28px;
  }

  .section {
    padding: 92px 0;
  }

  .section-cosmos {
    padding-top: 104px;
  }

  .chapter {
    margin-bottom: 52px;
  }

  .section-title {
    font-size: 40px;
  }

  .hero-title {
    font-size: 112px;
  }

  .hero-statement {
    font-size: 20px;
  }

  .hero-meta {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
  }

  .observations {
    grid-template-columns: 1fr;
    margin: 60px 0;
  }

  .observation {
    display: grid;
    grid-template-columns: 1fr minmax(0, 1.1fr);
    column-gap: 30px;
    align-items: start;
    padding: 21px 0 24px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .observation:last-child {
    border-bottom: 0;
  }

  .obs-top {
    grid-column: 1 / -1;
    margin-bottom: 17px;
  }

  .obs-value {
    grid-column: 1;
    grid-row: 2 / 4;
    margin: 4px 0 0;
  }

  .obs-title {
    grid-column: 2;
    grid-row: 2;
    margin-top: 3px;
  }

  .obs-text {
    grid-column: 2;
    grid-row: 3;
  }

  .number-grid {
    grid-template-columns: 1fr;
  }

  .number-card {
    min-height: 0;
    padding: 24px 0 26px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .number-card:last-child {
    border-bottom: 0;
  }

  .card-value {
    margin: 25px 0 18px;
    font-size: 56px;
  }

  .card-tags {
    padding-top: 20px;
  }

  .line-aside {
    display: flex;
    gap: 0;
  }

  .aside-note {
    padding-top: 22px;
  }

  .line-disclaimer {
    margin-top: 0;
  }

  .line-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .line-aside,
  .line-grid-wrap,
  .reading-wrap {
    width: 100%;
    max-width: 540px;
  }

  .line-aside {
    order: 3;
  }

  .line-grid-wrap {
    order: 1;
  }

  .reading-wrap {
    order: 2;
  }

  .reading {
    min-height: 360px;
  }

  .about-copy .section-title {
    margin-bottom: 24px;
  }

  .principle {
    grid-template-columns: 52px 122px minmax(0, 1fr);
  }

  .contact-title {
    font-size: 72px;
  }

  .contact-cn {
    font-size: 20px;
  }

  .section-contact {
    padding-bottom: 72px;
  }

  .site-footer {
    margin-top: 0;
  }

  .footer-main {
    flex-wrap: wrap;
  }

  .footer-bottom {
    justify-content: flex-start;
  }

  .footer-note {
    order: 3;
    width: 100%;
    text-align: left;
  }

  .back-to-top {
    margin-left: auto;
  }
}

@media (max-width: 900px) {
  .channels-grid {
    grid-template-columns: 1fr;
  }

  .channel-card {
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .channel-card:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 700px) {
  :root {
    --pad: 20px;
    --header-h: 64px;
  }

  .site-header {
    height: var(--header-h);
  }

  .header-side {
    gap: 18px;
  }

  .clock {
    display: none;
  }

  .header-mail {
    display: none;
  }

  .brand-name {
    font-size: 10px;
  }

  .brand-sub {
    font-size: 8px;
  }

  .hero {
    padding-top: calc(var(--header-h) + 54px);
    padding-bottom: 58px;
  }

  .hero::after {
    top: 7%;
    right: -50%;
    width: 130vw;
    height: 130vw;
  }

  .hero::before {
    background-size: 24px 24px;
    opacity: 0.19;
  }

  .hero-eyebrow {
    margin-bottom: 27px;
    font-size: 8px;
  }

  .hero-title {
    font-size: 96px;
    text-shadow: 0.035em 0.035em 0 var(--orange);
  }

  .hero-meta {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 31px;
    padding-top: 18px;
  }

  .hero-alias {
    gap: 5px;
  }

  .alias-cn {
    font-size: 20px;
  }

  .hero-statement {
    font-size: 20px;
    line-height: 1.65;
  }

  .hero-desc {
    font-size: 20px;
    line-height: 1.8;
  }

  .hero-actions {
    margin-top: 26px;
  }

  .btn {
    min-height: 48px;
    padding: 14px 16px;
    font-size: 20px;
  }

  .hero-status {
    margin-top: 32px;
  }

  .hero-email {
    font-size: 9px;
  }

  .hero-grid {
    gap: 44px;
  }

  .hero-visual {
    max-width: 100%;
  }

  .orbit-card {
    box-shadow: 8px 8px 0 var(--orange);
  }

  .orbit-card.is-aligned {
    box-shadow: 8px 8px 0 var(--violet-light), 14px 14px 0 var(--orange);
  }

  .orbit-card-head {
    padding: 13px 13px;
    font-size: 7px;
  }

  .stage-corner {
    font-size: 6px;
  }

  .stage-corner--tl,
  .stage-corner--bl {
    left: 21px;
  }

  .stage-corner--tr,
  .stage-corner--br {
    right: 21px;
  }

  .orbit-num {
    gap: 6px;
    padding: 4px 5px;
  }

  .orbit-num span {
    font-size: 20px;
  }

  .orbit-num em {
    font-size: 6px;
  }

  .orbit-read {
    padding: 12px 10px;
  }

  .orbit-read span {
    font-size: 11px;
  }

  .orbit-read em,
  .orbit-card-foot {
    font-size: 6px;
  }

  .orbit-card-foot {
    padding: 10px 12px;
  }

  .hero-figure-note {
    margin-top: 18px;
    font-size: 7px;
  }

  .ticker {
    padding: 13px 0;
  }

  .ticker-group span {
    padding-inline: 18px;
    font-size: 8px;
  }

  .ticker-group b {
    font-size: 9px;
  }

  .ticker-mark {
    width: 5px;
    height: 5px;
  }

  .section {
    padding: 78px 0;
  }

  .section-cosmos {
    padding-top: 86px;
  }

  .section-cosmos::before {
    display: none;
  }

  .chapter {
    flex-wrap: wrap;
    gap: 8px 12px;
    margin-bottom: 40px;
    font-size: 8px;
  }

  .chapter-rule {
    order: 4;
    width: 100%;
    flex-basis: 100%;
  }

  .chapter-meta {
    margin-left: auto;
    font-size: 7px;
  }

  .chapter-num {
    font-size: 8px;
  }

  .eyebrow {
    gap: 8px;
    margin-bottom: 20px;
    font-size: 8px;
  }

  .section-title {
    font-size: 30px;
    line-height: 1.5;
  }

  .lede,
  .obs-text,
  .card-body,
  .about-paragraphs,
  .principle p,
  .section-footnote,
  .aside-note,
  .line-disclaimer,
  .reading-body,
  .contact-lede {
    font-size: 20px;
  }

  .tesla-quote {
    margin-top: 32px;
    padding-left: 17px;
  }

  .tesla-quote blockquote {
    font-size: 20px;
    line-height: 1.75;
  }

  .quote-mark {
    height: 19px;
    font-size: 45px;
  }

  .tesla-quote figcaption span:last-child {
    font-size: 20px;
  }

  .observations {
    margin: 48px 0;
  }

  .obs-value {
    font-size: 22px;
  }

  .obs-title {
    font-size: 20px;
  }

  .number-card {
    padding: 22px 0 24px;
  }

  .card-value {
    font-size: 48px;
  }

  .card-title {
    font-size: 20px;
  }

  .card-title-group {
    margin-bottom: 13px;
  }

  .number-card:hover {
    background: transparent;
    color: var(--ink);
  }

  .number-card:hover .card-value {
    transform: none;
  }

  .number-card:hover .card-title-group {
    border-color: var(--line);
  }

  .number-card:hover .card-body,
  .number-card:hover .card-top,
  .number-card:hover .card-title-cn,
  .number-card:hover .card-en {
    color: var(--muted);
  }

  .number-card:hover .card-tags li {
    border-color: var(--line);
    color: var(--muted);
  }

  .section-footnote {
    margin-top: 22px;
  }

  .line-intro {
    margin-bottom: 48px;
  }

  .line-layout {
    gap: 36px;
  }

  .cell {
    padding: 10px;
  }

  .cell-number {
    font-size: 26px;
  }

  .cell-name {
    font-size: 20px;
    gap: 3px;
  }

  .cell-name em {
    font-size: 6px;
  }

  .cell-arrow {
    top: 9px;
    right: 9px;
    font-size: 12px;
  }

  .grid-caption {
    font-size: 20px;
  }

  .reading {
    min-height: 0;
    padding: 20px;
  }

  .reading-number {
    margin: 27px 0 14px;
    font-size: 68px;
  }

  .reading-title {
    font-size: 20px;
  }

  .reading-epigraph {
    margin-top: 28px;
  }

  .line-watermark {
    right: -20px;
    bottom: -45px;
    font-size: 130px;
  }

  .about-grid {
    gap: 43px;
  }

  .identity-card {
    padding: 14px;
    box-shadow: 8px 8px 0 var(--orange);
  }

  .id-art {
    aspect-ratio: 1.48 / 1;
    margin-top: 13px;
  }

  .id-k {
    font-size: 88px;
    text-shadow: 5px 5px 0 var(--orange);
  }

  .id-name {
    padding-top: 15px;
  }

  .id-name strong {
    font-size: 19px;
  }

  .id-name span {
    font-size: 8px;
  }

  .id-data > div {
    grid-template-columns: 55px minmax(0, 1fr);
    padding: 9px 0;
  }

  .id-card-foot {
    padding-top: 13px;
  }

  .about-copy .section-title {
    margin-bottom: 20px;
  }

  .about-paragraphs {
    gap: 14px;
  }

  .principles {
    margin-top: 34px;
  }

  .principle {
    grid-template-columns: 43px minmax(0, 1fr);
    gap: 7px 9px;
    padding: 16px 0;
  }

  .principle-num {
    grid-column: 1;
    grid-row: 1;
    font-size: 9px;
  }

  .principle-name {
    grid-column: 2;
    flex-direction: row;
    align-items: baseline;
    gap: 8px;
  }

  .principle p {
    grid-column: 2;
    grid-row: 2;
    margin-top: 3px;
  }

  .about-signoff {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    margin-top: 26px;
  }

  .contact-grid {
    gap: 38px;
  }

  .contact-title {
    font-size: 48px;
    line-height: 1.05;
  }

  .contact-cn {
    margin-top: 20px;
  }

  .email-link {
    font-size: 20px;
    padding-bottom: 13px;
  }

  .contact-actions .btn {
    width: 100%;
  }

  .contact-meta {
    margin-top: 27px;
  }

  .contact-channels {
    margin-top: 48px;
    padding-top: 16px;
  }

  .channels-head {
    margin-bottom: 14px;
    font-size: 7px;
  }

  .channels-hint {
    display: none;
  }

  .channels-grid {
    grid-template-columns: 1fr;
  }

  .channel-card {
    padding: 18px 0 19px;
    border-right: 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .channel-card:last-child {
    border-bottom: 0;
  }

  .channel-handle {
    margin: 16px 0 3px;
    font-size: 20px;
  }

  .channel-card:hover {
    background: transparent;
    color: var(--paper);
  }

  .channel-card:hover .channel-top,
  .channel-card:hover .channel-meta {
    color: var(--muted-light);
  }

  .channel-card:hover .channel-handle,
  .channel-card--discord:hover .channel-handle {
    color: var(--paper);
  }

  .channel-card:hover .channel-copy {
    border-color: var(--line-dark);
    color: var(--muted-light);
  }

  .channel-card:hover .channel-arrow {
    color: var(--orange-light);
    transform: none;
  }

  .menu-channels {
    margin-bottom: 22px;
    padding-bottom: 20px;
  }

  .section-contact {
    padding-bottom: 60px;
  }

  .site-footer {
    margin-top: 0;
    padding-top: 22px;
  }

  .footer-main {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .footer-nav {
    gap: 17px;
  }

  .key-hint {
    order: 4;
  }

  .footer-bottom {
    margin-top: 20px;
    font-size: 7px;
  }

  .back-to-top {
    margin-left: 0;
  }

  .copy-toast {
    bottom: 14px;
    font-size: 20px;
  }

  .key-toast {
    right: 14px;
    bottom: 14px;
    width: calc(100vw - 28px);
    box-shadow: 6px 6px 0 var(--orange);
  }

  .toast-copy {
    font-size: 20px;
  }

  .menu-dialog-inner {
    padding: 18px 20px 24px;
  }

  .menu-nav a {
    padding: 17px 0;
    font-size: 20px;
    grid-template-columns: 32px 1fr auto;
  }

  .menu-nav a em {
    font-size: 7px;
  }

  .menu-nav a span {
    font-size: 8px;
  }

  .menu-dialog-foot {
    flex-direction: column;
  }
}

@media (max-width: 540px) {
  .hero-title {
    font-size: 80px;
  }
}

@media (max-width: 420px) {
  .hero-title {
    font-size: 72px;
  }

  .line-grid-frame {
    padding-right: 18px;
  }

  .line-rail {
    right: 4px;
  }

  .orbit-num--3 {
    left: 8%;
  }

  .orbit-num--6 {
    right: 7%;
  }

  .orbit-num--9 {
    right: 9%;
  }

  .orbit-num em {
    display: none;
  }

  .hero-figure-note {
    gap: 10px;
    font-size: 6px;
  }

  .contact-title {
    font-size: 42px;
  }
}

@media (max-width: 360px) {
  .hero-title {
    font-size: 64px;
  }

  .orbit-stage {
    min-height: 270px;
  }

  .contact-title {
    font-size: 38px;
  }
}

/* ----- Motion preferences ------------------------------------------------- */

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .ticker-track {
    width: auto;
    flex-wrap: wrap;
    animation: none;
  }

  .ticker-group {
    flex-wrap: wrap;
  }

  .ticker-group[aria-hidden="true"] {
    display: none;
  }

  .reveal-pending {
    opacity: 1;
    transform: none;
  }
}

/* ----- Print -------------------------------------------------------------- */

@media print {
  .site-header,
  .menu-dialog,
  .key-toast,
  .hero-scroll,
  .ticker,
  .hero::before,
  .hero::after,
  .section-contact::before,
  .line-watermark {
    display: none !important;
  }

  html {
    scroll-behavior: auto;
  }

  body {
    background: #fff;
    color: #111;
  }

  .reveal-pending {
    opacity: 1 !important;
    transform: none !important;
  }

  .section {
    padding: 36px 0;
    break-inside: avoid;
  }

  .hero {
    display: block;
    min-height: 0;
    padding-top: 0;
  }

  .hero-grid,
  .contact-grid {
    display: block;
  }

  .orbit-card,
  .identity-card {
    break-inside: avoid;
    box-shadow: none;
  }

  .number-card,
  .reading,
  .identity-card,
  .section-line,
  .section-contact {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .section-line,
  .section-contact,
  .site-footer {
    background: #111;
    color: #f3f0e7;
  }

  a {
    text-decoration: underline;
  }
}