:root {
  color-scheme: dark;
  --bg: #09080f;
  --bg-soft: #11101b;
  --text: #f7f3ff;
  --text-muted: #aaa2ba;
  --card-bg: rgba(19, 18, 30, 0.82);
  --card-border: rgba(255, 255, 255, 0.12);
  --accent: #bcff56;
  --accent-soft: rgba(188, 255, 86, 0.1);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --glow: 0 0 22px rgba(188, 255, 86, 0.7);
  --tag-bg: rgba(255, 255, 255, 0.045);
  --tag-text: #aaa2ba;
  --accent-contrast: #10150a;
  --accent-hover: #d7ff9b;
  --body-orb-a: rgba(158, 124, 255, 0.15);
  --body-orb-b: rgba(112, 233, 255, 0.08);
  --grid-line: rgba(255, 255, 255, 0.025);
  --card-sheen: rgba(255, 255, 255, 0.045);
  --control-bg: rgba(255, 255, 255, 0.04);
  --control-hover: rgba(255, 255, 255, 0.08);
  --control-border-hover: rgba(255, 255, 255, 0.32);
  --outline-stroke: rgba(247, 243, 255, 0.62);
  --signal-ring: rgba(112, 233, 255, 0.26);
  --signal-ring-soft: rgba(112, 233, 255, 0.03);
  --broadcast-border: rgba(255, 218, 0, 0.3);
  --broadcast-bg: #b70b04;
  --broadcast-shadow: 0 24px 70px rgba(166, 0, 0, 0.18);
  --danger-border: rgba(255, 107, 121, 0.3);
  --danger-bg: rgba(24, 10, 15, 0.72);
  --danger-shadow: 0 0 80px rgba(255, 52, 79, 0.08);
  --danger-glow: 0 0 18px rgba(255, 107, 121, 0.42);
  --track-bg: rgba(0, 0, 0, 0.26);
  --error-shadow-a: rgba(255, 114, 201, 0.18);
  --error-shadow-b: rgba(112, 233, 255, 0.16);
  --panel: var(--card-bg);
  --panel-strong: #181624;
  --muted: var(--text-muted);
  --line: var(--card-border);
  --line-bright: rgba(188, 255, 86, 0.38);
  --acid: var(--accent);
  --cyan: #70e9ff;
  --violet: #9e7cff;
  --pink: #ff72c9;
  --danger: #ff6b79;
  --radius: 22px;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

:root[data-theme="day"] {
  color-scheme: light;
  --bg: #f5f1e8;
  --bg-soft: #e9eef2;
  --text: #292936;
  --text-muted: #6c6975;
  --card-bg: rgba(255, 253, 247, 0.8);
  --card-border: rgba(68, 76, 94, 0.16);
  --accent: #6678c8;
  --accent-soft: rgba(102, 120, 200, 0.12);
  --shadow: 0 22px 64px rgba(68, 72, 91, 0.13);
  --glow: 0 0 28px rgba(239, 183, 101, 0.28);
  --tag-bg: rgba(102, 120, 200, 0.09);
  --tag-text: #4f5e90;
  --accent-contrast: #fffdf7;
  --accent-hover: #5265b7;
  --body-orb-a: rgba(181, 160, 230, 0.22);
  --body-orb-b: rgba(118, 190, 219, 0.18);
  --grid-line: rgba(76, 83, 102, 0.045);
  --card-sheen: rgba(255, 255, 255, 0.72);
  --control-bg: rgba(255, 255, 255, 0.48);
  --control-hover: rgba(102, 120, 200, 0.1);
  --control-border-hover: rgba(102, 120, 200, 0.42);
  --outline-stroke: rgba(74, 75, 96, 0.58);
  --signal-ring: rgba(102, 120, 200, 0.22);
  --signal-ring-soft: rgba(102, 120, 200, 0.06);
  --broadcast-border: rgba(171, 102, 39, 0.26);
  --broadcast-bg: #a93f32;
  --broadcast-shadow: 0 18px 50px rgba(129, 70, 48, 0.16);
  --danger-border: rgba(185, 83, 99, 0.26);
  --danger-bg: rgba(255, 247, 245, 0.82);
  --danger-shadow: 0 16px 48px rgba(185, 83, 99, 0.08);
  --danger-glow: 0 0 14px rgba(185, 83, 99, 0.18);
  --track-bg: rgba(68, 76, 94, 0.1);
  --error-shadow-a: rgba(184, 108, 150, 0.15);
  --error-shadow-b: rgba(76, 145, 168, 0.13);
  --panel-strong: #fffaf1;
  --line-bright: rgba(102, 120, 200, 0.45);
  --cyan: #4c91a8;
  --violet: #796eb6;
  --pink: #b86c96;
  --danger: #b95363;
}

:root[data-theme="focus"] {
  color-scheme: light;
  --bg: #eeece5;
  --bg-soft: #e3e1da;
  --text: #202329;
  --text-muted: #555b64;
  --card-bg: #fbfaf5;
  --card-border: #c9c5ba;
  --accent: #49654d;
  --accent-soft: #dce8dc;
  --shadow: 0 10px 28px rgba(47, 51, 46, 0.08);
  --glow: none;
  --tag-bg: #e5ebe3;
  --tag-text: #344d39;
  --accent-contrast: #ffffff;
  --accent-hover: #38533d;
  --body-orb-a: transparent;
  --body-orb-b: transparent;
  --grid-line: rgba(54, 59, 55, 0.035);
  --card-sheen: transparent;
  --control-bg: #f5f3ed;
  --control-hover: #e5ebe3;
  --control-border-hover: #6e806f;
  --outline-stroke: rgba(32, 35, 41, 0.64);
  --signal-ring: rgba(73, 101, 77, 0.2);
  --signal-ring-soft: rgba(73, 101, 77, 0.06);
  --broadcast-border: #b9a982;
  --broadcast-bg: #8a3d34;
  --broadcast-shadow: 0 10px 28px rgba(71, 58, 45, 0.08);
  --danger-border: #c9b9b8;
  --danger-bg: #fbf7f4;
  --danger-shadow: none;
  --danger-glow: none;
  --track-bg: #dedbd2;
  --error-shadow-a: rgba(140, 95, 115, 0.12);
  --error-shadow-b: rgba(72, 109, 113, 0.1);
  --panel-strong: #fbfaf5;
  --line-bright: #718873;
  --cyan: #486d71;
  --violet: #655f80;
  --pink: #8c5f73;
  --danger: #934e58;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 12% 8%, var(--body-orb-a), transparent 28rem),
    radial-gradient(circle at 88% 32%, var(--body-orb-b), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

::selection {
  background: var(--accent);
  color: var(--accent-contrast);
}

a {
  color: inherit;
}

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

button,
input {
  font: inherit;
}

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

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 800;
  text-decoration: none;
  transform: translateY(-180%);
}

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

.site-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.92rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px var(--accent-soft), var(--glow);
  animation: pulse 2.4s ease-in-out infinite;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav a {
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-decoration: none;
  transition: background 160ms ease, color 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--tag-bg);
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(290px, 0.55fr);
  gap: 36px;
  align-items: end;
  padding: clamp(72px, 11vw, 148px) 0 84px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--acid);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 24px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero h1,
.page-hero h1,
.not-found h1 {
  margin: 0;
  font-size: clamp(3.4rem, 9vw, 8.8rem);
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 0.88;
}

.hero h1 .outline {
  color: transparent;
  -webkit-text-stroke: 1px var(--outline-stroke);
}

.hero-lead {
  max-width: 680px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.8vw, 1.22rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 17px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--control-bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  border-color: var(--control-border-hover);
  background: var(--control-hover);
}

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
}

.button-primary:hover {
  border-color: var(--accent-hover);
  background: var(--accent-hover);
}

.signal-card,
.panel,
.project-card,
.bookmark-card,
.story-console {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--card-sheen), transparent 70%), var(--card-bg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.signal-card {
  position: relative;
  overflow: hidden;
  padding: 24px;
}

.signal-card::after {
  position: absolute;
  right: -54px;
  bottom: -70px;
  width: 170px;
  aspect-ratio: 1;
  border: 1px solid var(--signal-ring);
  border-radius: 50%;
  box-shadow: 0 0 0 22px var(--signal-ring-soft), 0 0 0 44px var(--signal-ring-soft);
  content: "";
}

.signal-row {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.76rem;
}

.signal-row:first-child {
  padding-top: 0;
}

.signal-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.signal-label {
  color: var(--muted);
}

.signal-value {
  color: var(--cyan);
  text-align: right;
}

.signal-value.online {
  color: var(--acid);
}

.section {
  padding: 84px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.section-heading h2 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.5rem);
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.section-heading p {
  max-width: 440px;
  margin: 0;
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.project-grid > a {
  min-width: 0;
}

.project-card {
  position: relative;
  grid-column: span 4;
  display: flex;
  flex-direction: column;
  min-height: 300px;
  overflow: hidden;
  padding: 24px;
  text-decoration: none;
  transition: transform 200ms ease, border-color 200ms ease;
}

.project-card:nth-child(1),
.project-card:nth-child(4) {
  grid-column: span 7;
}

.project-card:nth-child(2),
.project-card:nth-child(5) {
  grid-column: span 5;
}

.project-card:hover {
  z-index: 2;
  transform: translateY(-5px);
  border-color: var(--line-bright);
}

.project-card::before {
  position: absolute;
  top: -70px;
  right: -60px;
  width: 190px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--card-glow, var(--violet));
  opacity: 0.13;
  filter: blur(12px);
  content: "";
}

.project-index {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.project-card h3 {
  position: relative;
  margin: auto 0 10px;
  font-size: clamp(1.45rem, 2.6vw, 2.4rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.project-card p {
  position: relative;
  max-width: 42ch;
  margin: 0;
  color: var(--muted);
}

.tag-list {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--tag-bg);
  color: var(--tag-text);
  font-family: var(--mono);
  font-size: 0.66rem;
}

.broadcast {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(250px, 0.9fr);
  gap: 22px;
  align-items: center;
}

.broadcast-image {
  overflow: hidden;
  border: 1px solid var(--broadcast-border);
  border-radius: 12px;
  background: var(--broadcast-bg);
  box-shadow: var(--broadcast-shadow);
}

.broadcast-image img {
  width: 100%;
  aspect-ratio: 2.17 / 1;
  object-fit: cover;
}

.broadcast-copy {
  padding: 20px 0;
}

.broadcast-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.05em;
  line-height: 1;
}

.broadcast-copy p {
  margin: 0 0 22px;
  color: var(--muted);
}

.page-hero {
  padding: clamp(64px, 10vw, 120px) 0 58px;
}

.page-hero h1 {
  font-size: clamp(3.2rem, 9vw, 7rem);
}

.page-hero p {
  max-width: 660px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 1.06rem;
}

.panel {
  padding: clamp(22px, 4vw, 42px);
}

.bookmark-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.bookmark-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  min-height: 160px;
  padding: 20px;
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease;
}

.bookmark-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-bright);
}

.bookmark-thumb {
  display: grid;
  width: 96px;
  aspect-ratio: 1;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-soft);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.5rem;
  font-weight: 900;
}

.bookmark-card h2 {
  margin: 0 0 5px;
  font-size: 1.35rem;
}

.bookmark-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.story-console {
  max-width: 820px;
  margin: 0 auto;
  overflow: hidden;
}

.console-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.console-screen {
  min-height: 260px;
  padding: clamp(24px, 5vw, 54px);
}

.console-screen h2 {
  margin: 0 0 24px;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.05em;
}

.console-copy {
  min-height: 112px;
  color: var(--text);
  font-family: var(--mono);
}

.console-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
}

.console-options button {
  min-height: 56px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--control-bg);
  color: var(--text);
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.console-options button:hover {
  border-color: var(--violet);
  background: var(--accent-soft);
}

.unstable-zone {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(32px, 7vw, 72px);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius);
  background: var(--danger-bg);
  text-align: center;
  box-shadow: var(--danger-shadow);
}

.unstable-zone h2 {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: clamp(1.8rem, 5vw, 3.3rem);
  letter-spacing: -0.04em;
  animation: glitch 520ms steps(2) infinite alternate;
}

.unstable-zone p {
  color: var(--muted);
}

.progress-track {
  height: 8px;
  margin: 28px 0;
  overflow: hidden;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--track-bg);
}

.progress-bar {
  width: 42%;
  height: 100%;
  background: linear-gradient(90deg, var(--danger), var(--pink));
  box-shadow: var(--danger-glow);
  animation: unstable-progress 7s ease-in-out infinite;
}

.status-text {
  min-height: 2em;
  font-family: var(--mono);
  font-size: 0.82rem;
}

.not-found {
  display: grid;
  min-height: calc(100vh - 180px);
  place-items: center;
  padding: 70px 0;
  text-align: center;
}

.not-found h1 {
  color: var(--acid);
  font-family: var(--mono);
  font-size: clamp(7rem, 28vw, 18rem);
  text-shadow: 12px 0 0 var(--error-shadow-a), -12px 0 0 var(--error-shadow-b);
}

.not-found p {
  max-width: 520px;
  margin: 12px auto 28px;
  color: var(--muted);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 110px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
}

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

.footer-status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.theme-switcher {
  position: fixed;
  left: max(14px, env(safe-area-inset-left));
  bottom: max(14px, env(safe-area-inset-bottom));
  z-index: 90;
  width: max-content;
  max-width: calc(100vw - 28px);
  padding: 8px;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  color: var(--text);
  backdrop-filter: blur(18px);
}

.theme-switcher__label {
  display: block;
  padding: 2px 8px 7px;
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.theme-switcher__options {
  display: flex;
  gap: 4px;
}

.theme-switcher button {
  min-width: 54px;
  min-height: 38px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.theme-switcher button:hover {
  border-color: var(--card-border);
  background: var(--control-hover);
  color: var(--text);
}

.theme-switcher button.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
  box-shadow: var(--glow);
}

:root[data-theme="day"] .project-card::before {
  opacity: 0.09;
  filter: blur(22px);
}

:root[data-theme="focus"] body {
  font-size: 1.075rem;
  line-height: 1.78;
}

:root[data-theme="focus"] body::before {
  opacity: 0.12;
  mask-image: linear-gradient(to bottom, black, transparent 46%);
}

:root[data-theme="focus"] .site-shell {
  width: min(1080px, calc(100% - 48px));
}

:root[data-theme="focus"] .site-header {
  min-height: 104px;
}

:root[data-theme="focus"] .site-nav {
  gap: 9px;
}

:root[data-theme="focus"] .site-nav a,
:root[data-theme="focus"] .button {
  min-height: 50px;
  padding: 11px 16px;
  font-size: 0.84rem;
}

:root[data-theme="focus"] .hero {
  gap: 52px;
  padding-top: clamp(76px, 9vw, 116px);
}

:root[data-theme="focus"] .hero h1,
:root[data-theme="focus"] .page-hero h1 {
  line-height: 0.98;
}

:root[data-theme="focus"] .hero-lead,
:root[data-theme="focus"] .page-hero p,
:root[data-theme="focus"] .section-heading p,
:root[data-theme="focus"] .project-card p,
:root[data-theme="focus"] .bookmark-card p {
  color: var(--text-muted);
  line-height: 1.85;
}

:root[data-theme="focus"] .section {
  padding: 98px 0;
}

:root[data-theme="focus"] .section-heading {
  margin-bottom: 42px;
}

:root[data-theme="focus"] .project-grid {
  gap: 24px;
}

:root[data-theme="focus"] .project-card {
  min-height: 330px;
  padding: 30px;
  transition-duration: 80ms;
}

:root[data-theme="focus"] .project-card::before {
  opacity: 0.035;
  filter: blur(28px);
}

:root[data-theme="focus"] .project-card:hover,
:root[data-theme="focus"] .bookmark-card:hover,
:root[data-theme="focus"] .button:hover {
  transform: translateY(-1px);
}

:root[data-theme="focus"] .tag-list {
  gap: 9px;
}

:root[data-theme="focus"] .tag-list li {
  padding: 6px 10px;
  border-color: #b8c5b8;
  font-size: 0.72rem;
  font-weight: 800;
}

:root[data-theme="focus"] .signal-card,
:root[data-theme="focus"] .panel,
:root[data-theme="focus"] .project-card,
:root[data-theme="focus"] .bookmark-card,
:root[data-theme="focus"] .story-console {
  backdrop-filter: none;
}

:root[data-theme="focus"] .brand-mark {
  animation-duration: 6s;
}

:root[data-theme="focus"] .unstable-zone h2,
:root[data-theme="focus"] .progress-bar {
  animation: none;
}

:root[data-theme="focus"] .theme-switcher button {
  min-width: 64px;
  min-height: 44px;
  font-size: 0.84rem;
}

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

@keyframes pulse {
  50% { opacity: 0.48; transform: scale(0.78); }
}

@keyframes glitch {
  from { transform: translateX(-2px); text-shadow: 3px 0 var(--danger); }
  to { transform: translateX(2px); text-shadow: -3px 0 var(--cyan); }
}

@keyframes unstable-progress {
  0%, 100% { width: 12%; }
  45% { width: 76%; }
  68% { width: 41%; }
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 22px 0 18px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .broadcast {
    grid-template-columns: 1fr;
  }

  .hero {
    align-items: start;
    padding-top: 84px;
  }

  .signal-card {
    max-width: 520px;
  }

  .project-card,
  .project-card:nth-child(1),
  .project-card:nth-child(2),
  .project-card:nth-child(4),
  .project-card:nth-child(5) {
    grid-column: span 6;
  }

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

@media (max-width: 600px) {
  .site-shell {
    width: min(100% - 28px, 1180px);
  }

  .site-nav {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .site-nav::-webkit-scrollbar {
    display: none;
  }

  .site-nav a {
    flex: 0 0 auto;
  }

  .hero h1 {
    font-size: clamp(3.2rem, 20vw, 5.3rem);
  }

  .section {
    padding: 62px 0;
  }

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

  .project-card,
  .project-card:nth-child(1),
  .project-card:nth-child(2),
  .project-card:nth-child(4),
  .project-card:nth-child(5) {
    grid-column: 1 / -1;
    min-height: 260px;
  }

  .bookmark-card {
    grid-template-columns: 72px minmax(0, 1fr);
  }

  .bookmark-thumb {
    width: 72px;
  }

  .console-options {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .theme-switcher {
    left: max(10px, env(safe-area-inset-left));
    bottom: max(10px, env(safe-area-inset-bottom));
    padding: 6px;
    border-radius: 16px;
  }

  .theme-switcher__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }

  .theme-switcher button,
  :root[data-theme="focus"] .theme-switcher button {
    min-width: 52px;
    min-height: 42px;
    padding: 7px 9px;
  }

  :root[data-theme="focus"] .site-shell {
    width: min(100% - 28px, 1080px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}