:root {
  --ink: #050706;
  --ink-soft: #0b0f0d;
  --paper: #eef3ed;
  --muted: #8d9992;
  --line: rgba(225, 239, 230, 0.16);
  --acid: #baff29;
  --cyan: #5fffe7;
  --orange: #ff5b2d;
  --display: "Avenir Next Condensed", "DIN Condensed", "PingFang SC", sans-serif;
  --body: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", "Roboto Mono", "Liberation Mono", monospace;
  --page: min(92vw, 1540px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: var(--body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

::selection {
  color: var(--ink);
  background: var(--acid);
}

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

button {
  color: inherit;
  font: inherit;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--acid);
  outline-offset: 4px;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E");
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 101;
  width: 100%;
  height: 2px;
  pointer-events: none;
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: left;
}

.mono {
  font-family: var(--mono);
  letter-spacing: 0.08em;
}

.section-shell {
  width: var(--page);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: 88px;
  padding: 0 4vw;
  border-bottom: 1px solid transparent;
  transition: height 0.4s var(--ease), background 0.4s ease, border-color 0.4s ease;
}

.site-header.is-scrolled {
  height: 70px;
  background: rgba(5, 7, 6, 0.84);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 12px;
}

.brand-mark {
  position: relative;
  display: block;
  width: 34px;
  height: 34px;
  border: 1px solid rgba(238, 243, 237, 0.45);
  border-radius: 50%;
  transform: rotate(45deg);
}

.brand-mark i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 1px;
  background: var(--acid);
  transform: translate(-50%, -50%);
}

.brand-mark i:last-child {
  transform: translate(-50%, -50%) rotate(90deg);
}

.brand-copy {
  display: grid;
  line-height: 1;
}

.brand-copy strong {
  font-family: var(--display);
  font-size: 1.08rem;
  letter-spacing: 0.12em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
}

.desktop-nav {
  display: flex;
  gap: clamp(22px, 3vw, 54px);
  font-size: 0.83rem;
}

.desktop-nav a,
.lang-switch {
  position: relative;
  color: rgba(238, 243, 237, 0.72);
  transition: color 0.25s ease;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease);
}

.desktop-nav a:hover,
.lang-switch:hover {
  color: var(--paper);
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 22px;
}

.lang-switch,
.menu-toggle {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.lang-switch {
  font-family: var(--mono);
  font-size: 0.68rem;
}

.contact-link {
  padding: 10px 15px;
  color: var(--ink);
  background: var(--paper);
  font-size: 0.72rem;
  transition: background 0.25s ease, transform 0.25s ease;
}

.contact-link:hover {
  background: var(--acid);
  transform: translateY(-2px);
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: var(--ink);
}

#sound-field,
.hero-photo,
.hero-grid,
.hero-glow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-photo {
  z-index: 0;
  background-image: url("hero-field.jpg");
  background-position: 54% center;
  background-size: cover;
  filter: saturate(0.82) contrast(1.08) brightness(0.72);
  transform: scale(1.015);
  animation: heroBreath 18s ease-in-out infinite alternate;
}

@keyframes heroBreath {
  to { transform: scale(1.045); }
}

#sound-field {
  z-index: 2;
}

.hero-grid {
  z-index: 1;
  opacity: 0.07;
  background-image:
    linear-gradient(rgba(226, 239, 230, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(226, 239, 230, 0.12) 1px, transparent 1px);
  background-size: 7.5vw 7.5vw;
  mask-image: linear-gradient(90deg, black, transparent 76%);
}

.hero-glow {
  z-index: 3;
  pointer-events: none;
  background:
    radial-gradient(circle at 33.5% 64%, rgba(95, 255, 231, 0.08), transparent 15%),
    linear-gradient(90deg, rgba(5, 7, 6, 0.92) 0%, rgba(5, 7, 6, 0.74) 27%, rgba(5, 7, 6, 0.22) 56%, rgba(5, 7, 6, 0.28) 100%),
    linear-gradient(180deg, rgba(5, 7, 6, 0.48) 0%, transparent 26%, transparent 66%, rgba(5, 7, 6, 0.84) 100%);
}

.hero-content {
  position: relative;
  z-index: 4;
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: var(--page);
  min-height: 100svh;
  margin: auto;
  padding-top: 80px;
}

.eyebrow {
  margin: 0 0 4vh 0;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: clamp(0.66rem, 0.8vw, 0.78rem);
  letter-spacing: 0.2em;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 38px;
  height: 1px;
  margin: 0 12px 4px 0;
  background: var(--cyan);
}

.hero-title {
  display: grid;
  width: min(660px, 45vw);
  margin: 0;
  font-family: var(--display);
  line-height: 0.82;
  letter-spacing: -0.045em;
  text-transform: uppercase;
}

.hero-title span {
  font-size: clamp(4.5rem, 8vw, 8.7rem);
  font-weight: 750;
}

.hero-title em {
  margin: 0.15em 0 0 4vw;
  color: transparent;
  font-size: clamp(3rem, 6.25vw, 6.6rem);
  font-style: normal;
  font-weight: 500;
  -webkit-text-stroke: 1px rgba(238, 243, 237, 0.6);
}

.hero-title strong {
  justify-self: start;
  margin-top: 0.18em;
  color: var(--acid);
  font-size: clamp(4.3rem, 8vw, 8.5rem);
  font-weight: 750;
}

.hero-mantra {
  margin: 3.2vh 0 0;
  color: rgba(238, 243, 237, 0.56);
  font-family: var(--mono);
  font-size: clamp(0.66rem, 0.82vw, 0.82rem);
  letter-spacing: 0.17em;
}

.hero-mantra b {
  color: var(--cyan);
  font-weight: 500;
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  gap: clamp(28px, 4vw, 64px);
  margin-top: 5vh;
  padding-left: 0;
}

.hero-intro {
  margin: 0;
  color: rgba(238, 243, 237, 0.72);
  font-size: clamp(0.84rem, 1vw, 1rem);
  line-height: 1.9;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 28px;
}

.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 190px;
  padding: 16px 18px;
  color: var(--ink);
  background: var(--acid);
  font-size: 0.78rem;
  transition: width 0.4s var(--ease), background 0.3s ease;
}

.primary-cta:hover {
  width: 205px;
  background: var(--cyan);
}

.primary-cta.light {
  background: var(--paper);
}

.sound-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 0.72rem;
  cursor: pointer;
}

.sound-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.sound-icon i {
  width: 1px;
  height: 5px;
  background: var(--paper);
}

.sound-icon i:nth-child(2) { height: 10px; }
.sound-icon i:nth-child(3) { height: 7px; }

.sound-toggle[aria-pressed="true"] .sound-icon {
  border-color: var(--acid);
}

.sound-toggle[aria-pressed="true"] .sound-icon i {
  background: var(--acid);
  animation: soundBars 0.7s ease-in-out infinite alternate;
}

.sound-toggle[aria-pressed="true"] .sound-icon i:nth-child(2) { animation-delay: -0.25s; }
.sound-toggle[aria-pressed="true"] .sound-icon i:nth-child(3) { animation-delay: -0.5s; }

.sound-source-label {
  position: absolute;
  top: 64%;
  left: 33.5%;
  z-index: 5;
  display: flex;
  align-items: center;
  color: rgba(238, 243, 237, 0.58);
  font-size: 0.5rem;
  line-height: 1.7;
  pointer-events: none;
  transform: translateY(-50%);
}

.sound-source-label::before {
  content: "";
  position: absolute;
  top: 50%;
  left: -5px;
  width: 10px;
  height: 10px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 8px rgba(95, 255, 231, 0.1);
  animation: sourcePulse 2.4s ease-out infinite;
}

.sound-source-label i {
  display: block;
  width: 88px;
  height: 1px;
  margin-right: 10px;
  background: linear-gradient(90deg, var(--cyan), rgba(95,255,231,.18));
}

@keyframes sourcePulse {
  60% { box-shadow: 0 0 0 18px rgba(95, 255, 231, 0); }
  100% { box-shadow: 0 0 0 18px rgba(95, 255, 231, 0); }
}

@keyframes soundBars {
  to { transform: scaleY(0.35); }
}

.hero-status,
.hero-readout,
.scroll-cue,
.hero-index {
  position: absolute;
  z-index: 4;
  color: rgba(238, 243, 237, 0.45);
  font-size: 0.58rem;
}

.hero-status {
  top: 112px;
  right: 4vw;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(186, 255, 41, 0.4);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 9px rgba(186, 255, 41, 0); }
  100% { box-shadow: 0 0 0 0 rgba(186, 255, 41, 0); }
}

.hero-index {
  top: 44%;
  left: 1.5vw;
}

.vertical-label {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.hero-readout {
  bottom: 28px;
  left: 4vw;
  display: flex;
  gap: 28px;
}

.scroll-cue {
  right: 4vw;
  bottom: 25px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 68px;
  height: 1px;
  overflow: hidden;
  background: rgba(238, 243, 237, 0.2);
}

.scroll-cue i::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 100%;
  background: var(--paper);
  animation: scrollLine 2s var(--ease) infinite;
}

@keyframes scrollLine {
  from { transform: translateX(-24px); }
  to { transform: translateX(70px); }
}

.signal-ticker {
  overflow: hidden;
  color: var(--ink);
  background: var(--acid);
  transform: rotate(-1.2deg) scale(1.02);
}

.ticker-track {
  display: flex;
  align-items: center;
  width: max-content;
  padding: 15px 0;
  animation: ticker 30s linear infinite;
}

.ticker-track span {
  padding: 0 30px;
  font-family: var(--display);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.ticker-track i {
  font-style: normal;
}

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

.manifesto {
  padding: 160px 0 140px;
}

.section-kicker {
  display: flex;
  justify-content: space-between;
  padding-bottom: 20px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  font-size: 0.66rem;
}

.manifesto-layout {
  display: grid;
  grid-template-columns: 29% 1fr;
  gap: 7vw;
  padding: 90px 0 110px;
}

.manifesto-orbit {
  position: relative;
  width: min(26vw, 390px);
  aspect-ratio: 1;
  align-self: center;
}

.manifesto-orbit::before,
.manifesto-orbit::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--line);
}

.manifesto-orbit::after {
  transform: rotate(90deg);
}

.manifesto-orbit > span {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  color: var(--acid);
  font-family: var(--display);
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 700;
  transform: translate(-50%, -50%);
}

.orbit {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.orbit i {
  position: absolute;
  top: -4px;
  left: 50%;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  border-radius: 50%;
}

.orbit-a { animation: orbit 14s linear infinite; }
.orbit-b { inset: 14%; animation: orbit 9s linear infinite reverse; }
.orbit-c { inset: 29%; animation: orbit 6s linear infinite; }

@keyframes orbit { to { transform: rotate(360deg); } }

.manifesto-copy {
  align-self: center;
}

.display-copy {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.2rem, 7vw, 7.4rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.display-copy span {
  color: transparent;
  -webkit-text-stroke: 1px rgba(238, 243, 237, 0.7);
}

.manifesto-detail {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
  max-width: 760px;
  margin: 60px 0 0 auto;
}

.manifesto-detail p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 2;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 7px;
  border-bottom: 1px solid currentColor;
  font-size: 0.76rem;
  white-space: nowrap;
}

.text-link span {
  transition: transform 0.3s var(--ease);
}

.text-link:hover span {
  transform: translateX(6px);
}

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

.fact-strip article {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 150px;
  padding: 20px 4vw;
  border-right: 1px solid var(--line);
}

.fact-strip article:first-child { padding-left: 0; }
.fact-strip article:last-child { border-right: 0; }

.fact-strip strong {
  font-family: var(--display);
  font-size: clamp(3rem, 5vw, 5.4rem);
  font-weight: 500;
  line-height: 1;
}

.fact-strip span {
  color: rgba(238, 243, 237, 0.68);
  font-size: 0.76rem;
  line-height: 1.7;
}

.fact-strip small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.54rem;
  letter-spacing: 0.08em;
}

.research,
.outputs,
.news {
  padding: 130px 0 160px;
}

.research {
  background: var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr minmax(260px, 34%);
  align-items: end;
  gap: 60px;
  margin-bottom: 80px;
}

.section-heading .mono {
  color: var(--muted);
  font-size: 0.66rem;
}

.section-heading h2,
.news-lead h2 {
  margin: 18px 0 0;
  font-family: var(--display);
  font-size: clamp(4rem, 8vw, 8.4rem);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.055em;
}

.section-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.9;
}

.section-heading > .text-link {
  justify-self: end;
}

.spectrum {
  border-top: 1px solid var(--line);
}

.spectrum-row {
  position: relative;
  display: grid;
  grid-template-columns: 7% 25% 22% 1fr 110px 30px;
  align-items: center;
  gap: 20px;
  min-height: 108px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  transition: padding 0.45s var(--ease), background 0.45s ease, color 0.45s ease;
  cursor: default;
}

.spectrum-row::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--acid);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.45s var(--ease);
}

.spectrum-row:hover,
.spectrum-row:focus-visible {
  z-index: 1;
  color: var(--ink);
  padding-inline: 18px;
  outline-offset: -2px;
}

.spectrum-row:hover::before,
.spectrum-row:focus-visible::before {
  transform: scaleY(1);
}

.spectrum-no,
.spectrum-hz {
  color: var(--muted);
  font-size: 0.58rem;
}

.spectrum-row:hover .spectrum-no,
.spectrum-row:hover .spectrum-hz,
.spectrum-row:focus-visible .spectrum-no,
.spectrum-row:focus-visible .spectrum-hz {
  color: rgba(5, 7, 6, 0.62);
}

.spectrum-row h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.3rem, 2vw, 2rem);
  font-weight: 550;
}

.spectrum-row p {
  margin: 0;
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.spectrum-row:hover p,
.spectrum-row:focus-visible p { color: rgba(5, 7, 6, 0.6); }

.spectrum-signal {
  position: relative;
  height: 18px;
  background: repeating-linear-gradient(90deg, var(--line), var(--line) 1px, transparent 1px, transparent 5px);
}

.spectrum-signal i {
  position: absolute;
  top: 0;
  left: 0;
  width: var(--signal);
  height: 100%;
  background: repeating-linear-gradient(90deg, var(--cyan), var(--cyan) 1px, transparent 1px, transparent 5px);
}

.spectrum-row:hover .spectrum-signal,
.spectrum-row:focus-visible .spectrum-signal {
  background: repeating-linear-gradient(90deg, rgba(5,7,6,.16), rgba(5,7,6,.16) 1px, transparent 1px, transparent 5px);
}

.spectrum-row:hover .spectrum-signal i,
.spectrum-row:focus-visible .spectrum-signal i {
  background: repeating-linear-gradient(90deg, var(--ink), var(--ink) 1px, transparent 1px, transparent 5px);
}

.row-arrow {
  justify-self: end;
  font-size: 1.3rem;
  transition: transform 0.35s var(--ease);
}

.spectrum-row:hover .row-arrow,
.spectrum-row:focus-visible .row-arrow { transform: rotate(45deg); }

.fieldwork {
  position: relative;
  min-height: 900px;
  overflow: hidden;
  color: var(--ink);
  background: var(--acid);
}

.field-map {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.contours {
  position: absolute;
  inset: -18%;
  opacity: 0.2;
  background:
    repeating-radial-gradient(ellipse at 65% 44%, transparent 0 18px, #050706 19px 20px, transparent 21px 42px);
  transform: rotate(-8deg) scale(1.3);
}

.river-line {
  position: absolute;
  top: 20%;
  left: 7%;
  width: 90%;
  height: 58%;
  border: 3px solid var(--ink);
  border-top-color: transparent;
  border-left-color: transparent;
  border-radius: 45% 20% 48% 38%;
  transform: rotate(-8deg);
  filter: drop-shadow(8px 10px 0 rgba(5,7,6,.12));
}

.map-point {
  position: absolute;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 0.58rem;
}

.map-point i {
  width: 8px;
  height: 8px;
  background: var(--orange);
  border: 2px solid var(--ink);
  border-radius: 50%;
  box-shadow: 0 0 0 9px rgba(5,7,6,.08);
}

.map-point.p1 { top: 59%; left: 21%; }
.map-point.p2 { top: 47%; left: 54%; }
.map-point.p3 { top: 39%; left: 82%; }

.field-overlay {
  position: relative;
  z-index: 3;
  min-height: 900px;
  padding-top: 70px;
}

.field-overlay .section-kicker {
  color: rgba(5,7,6,.6);
  border-color: rgba(5,7,6,.22);
}

.field-copy {
  position: absolute;
  top: 23%;
  left: 3vw;
  width: min(660px, 52vw);
}

.project-tag {
  display: inline-block;
  margin-bottom: 24px;
  padding: 7px 9px;
  border: 1px solid var(--ink);
  font-size: 0.56rem;
}

.field-copy h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(5rem, 10vw, 10rem);
  line-height: 0.82;
  letter-spacing: -0.06em;
}

.field-en {
  margin: 14px 0 36px;
  color: transparent;
  font-family: var(--display);
  font-size: clamp(2.8rem, 5vw, 5.2rem);
  font-weight: 600;
  line-height: 0.84;
  -webkit-text-stroke: 1px var(--ink);
}

.field-description {
  width: min(520px, 100%);
  margin: 0 0 35px;
  font-size: 0.86rem;
  line-height: 1.9;
}

.field-meter {
  position: absolute;
  right: 0;
  bottom: 68px;
  width: min(440px, 36vw);
  padding: 18px;
  color: var(--paper);
  background: var(--ink);
  font-size: 0.55rem;
}

.meter-bars {
  height: 64px;
  margin: 14px 0;
  background: repeating-linear-gradient(90deg, var(--cyan), var(--cyan) 2px, transparent 2px, transparent 7px);
  clip-path: polygon(0 40%, 3% 30%, 5% 65%, 8% 20%, 11% 48%, 14% 12%, 17% 70%, 20% 35%, 23% 82%, 26% 22%, 29% 54%, 32% 8%, 35% 76%, 38% 28%, 41% 60%, 44% 15%, 47% 88%, 50% 34%, 53% 68%, 56% 19%, 59% 54%, 62% 5%, 65% 81%, 68% 29%, 71% 62%, 74% 16%, 77% 92%, 80% 37%, 83% 70%, 86% 24%, 89% 58%, 92% 10%, 95% 72%, 98% 31%, 100% 50%, 100% 100%, 0 100%);
  animation: meter 1.6s ease-in-out infinite alternate;
}

@keyframes meter { to { transform: scaleY(0.58); opacity: 0.7; } }

.outputs {
  color: var(--ink);
  background: var(--paper);
  width: 100%;
  padding-inline: max(4vw, calc((100vw - 1540px) / 2));
}

.outputs .section-heading .mono,
.outputs .output-card p { color: #59625d; }

.output-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  min-height: 620px;
  border: 1px solid rgba(5, 7, 6, 0.22);
}

.output-feature,
.output-card {
  position: relative;
  overflow: hidden;
  border-right: 1px solid rgba(5, 7, 6, 0.22);
}

.output-feature {
  display: grid;
  grid-template-rows: 1.2fr 0.8fr;
}

.output-visual {
  position: relative;
  overflow: hidden;
  background: var(--ink-soft);
}

.output-visual::before,
.output-visual::after {
  content: "";
  position: absolute;
  inset: 11%;
  border: 1px solid rgba(95,255,231,.26);
  border-radius: 50%;
}

.output-visual::after {
  inset: 24%;
  border-color: rgba(186,255,41,.34);
}

.radial-plot {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 260px;
  aspect-ratio: 1;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 70px rgba(95, 255, 231, 0.18);
}

.radial-plot::before {
  content: "";
  position: absolute;
  inset: 15%;
  background: repeating-conic-gradient(from 0deg, var(--acid) 0deg 1deg, transparent 1deg 7deg);
  border-radius: 50%;
  mask: radial-gradient(circle, transparent 0 44%, #000 45%);
  animation: orbit 22s linear infinite;
}

.plot-label {
  position: absolute;
  right: 22px;
  bottom: 18px;
  color: var(--acid);
  font-size: 0.56rem;
}

.output-copy {
  position: relative;
  padding: 28px 32px;
}

.output-meta,
.output-card-top {
  display: flex;
  justify-content: space-between;
  color: #606963;
  font-size: 0.53rem;
}

.output-copy h3,
.output-card h3 {
  margin: 30px 0 16px;
  font-family: var(--display);
  font-size: clamp(1.7rem, 2.4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.24;
}

.output-copy p {
  max-width: 440px;
  margin: 0;
  color: #5f6862;
  font-size: 0.8rem;
  line-height: 1.7;
}

.output-copy > a,
.output-card > a {
  position: absolute;
  right: 26px;
  bottom: 25px;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(5,7,6,.3);
  border-radius: 50%;
  transition: color .3s ease, background .3s ease, transform .3s ease;
}

.output-copy > a:hover,
.output-card > a:hover {
  color: var(--paper);
  background: var(--ink);
  transform: rotate(45deg);
}

.output-card {
  padding: 30px 24px;
  background: #dfe6df;
}

.output-card:last-child { border-right: 0; }
.output-card.accent { background: var(--acid); }

.mini-wave {
  height: 210px;
  margin: 65px -24px 40px;
  background-color: var(--ink);
  clip-path: polygon(0 48%, 4% 45%, 8% 54%, 12% 30%, 16% 70%, 20% 38%, 24% 60%, 28% 12%, 32% 85%, 36% 43%, 40% 58%, 44% 20%, 48% 76%, 52% 31%, 56% 66%, 60% 18%, 64% 82%, 68% 38%, 72% 62%, 76% 27%, 80% 71%, 84% 44%, 88% 56%, 92% 35%, 96% 63%, 100% 48%, 100% 52%, 96% 48%, 92% 66%, 88% 45%, 84% 58%, 80% 34%, 76% 69%, 72% 43%, 68% 61%, 64% 23%, 60% 79%, 56% 37%, 52% 68%, 48% 28%, 44% 81%, 40% 44%, 36% 62%, 32% 19%, 28% 88%, 24% 41%, 20% 67%, 16% 34%, 12% 74%, 8% 46%, 4% 57%, 0 52%);
}

.wave-two { transform: scaleY(.65); }

.output-card h3 { font-size: clamp(1.5rem, 2vw, 2.05rem); }
.output-card > p { font-family: var(--mono); font-size: .55rem; letter-spacing: .08em; }

.news-lead {
  display: grid;
  grid-template-columns: 30% 1fr;
  align-items: start;
  margin: 90px 0 110px;
}

.news-lead > p {
  margin: 8px 0 0;
  color: var(--acid);
  font-family: var(--mono);
  font-size: .64rem;
  letter-spacing: .1em;
}

.news-lead h2 { margin: 0; }

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

.news-item {
  display: grid;
  grid-template-columns: 20% 1fr 40px;
  gap: 30px;
  align-items: center;
  min-height: 150px;
  border-bottom: 1px solid var(--line);
  transition: padding .4s var(--ease), color .3s ease;
}

.news-item:hover {
  padding-inline: 18px;
  color: var(--acid);
}

.news-item time,
.news-type {
  color: var(--muted);
  font-size: .58rem;
}

.news-item h3 {
  margin: 13px 0 0;
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.3vw, 2.4rem);
  font-weight: 500;
}

.news-arrow {
  font-size: 1.4rem;
  transition: transform .3s var(--ease);
}

.news-item:hover .news-arrow { transform: rotate(45deg); }

.contact {
  position: relative;
  min-height: 780px;
  overflow: hidden;
  color: var(--ink);
  background: var(--orange);
}

.contact-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 780px;
}

.contact-inner > .mono {
  font-size: .64rem;
}

.contact-inner h2 {
  margin: 32px 0 50px;
  font-family: var(--display);
  font-size: clamp(5rem, 11vw, 12rem);
  font-weight: 650;
  line-height: .82;
  letter-spacing: -.065em;
}

.contact-inner > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(420px, 100%);
  padding: 18px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-size: .8rem;
}

.contact-inner > a span { font-size: 1.4rem; }

.contact-rings {
  position: absolute;
  top: 50%;
  right: -8vw;
  width: min(62vw, 920px);
  aspect-ratio: 1;
  transform: translateY(-50%);
}

.contact-rings i {
  position: absolute;
  inset: calc(var(--i, 0) * 12%);
  border: 1px solid rgba(5,7,6,.45);
  border-radius: 50%;
}

.contact-rings i:nth-child(1) { --i: 0; }
.contact-rings i:nth-child(2) { --i: 1; }
.contact-rings i:nth-child(3) { --i: 2; }
.contact-rings i:nth-child(4) { --i: 3; background: var(--ink); }

.site-footer {
  padding-top: 90px;
  background: var(--ink);
}

.footer-brand {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 70px;
  border-bottom: 1px solid var(--line);
}

.footer-brand strong {
  font-family: var(--display);
  font-size: clamp(4rem, 9vw, 9.5rem);
  line-height: .8;
  letter-spacing: -.05em;
}

.footer-brand > span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .58rem;
  line-height: 1.8;
  text-align: right;
}

.footer-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  padding: 60px 0 90px 30%;
}

.footer-info .mono {
  color: var(--muted);
  font-size: .56rem;
}

.footer-info p {
  margin: 16px 0 0;
  font-size: .78rem;
  line-height: 1.8;
}

.footer-info a:hover { color: var(--acid); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding: 24px 0;
  color: #68716c;
  border-top: 1px solid var(--line);
  font-size: .52rem;
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
}

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

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr auto; }
  .desktop-nav,
  .contact-link { display: none; }
  .menu-toggle {
    display: grid;
    gap: 6px;
    width: 26px;
    height: 26px;
    place-content: center;
  }
  .menu-toggle span {
    display: block;
    width: 20px;
    height: 1px;
    background: var(--paper);
    transition: transform .3s ease;
  }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.5px) rotate(-45deg); }
  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: -1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    padding: 100px 7vw;
    visibility: hidden;
    background: rgba(5,7,6,.97);
    opacity: 0;
    transition: opacity .35s ease, visibility .35s;
  }
  .mobile-menu.is-open { visibility: visible; opacity: 1; }
  .mobile-menu a {
    font-family: var(--display);
    font-size: clamp(2.5rem, 10vw, 5rem);
    line-height: 1;
  }
  .hero-title { width: min(600px, 58vw); }
  .hero-title em { margin-left: 3vw; }
  .sound-source-label { left: 33%; }
  .manifesto-layout { grid-template-columns: 1fr; }
  .manifesto-orbit { width: min(50vw, 380px); }
  .spectrum-row { grid-template-columns: 8% 32% 1fr 90px 25px; }
  .spectrum-row p { display: none; }
  .output-grid { grid-template-columns: 1.4fr 1fr; }
  .output-feature { grid-row: span 2; }
  .output-card { min-height: 310px; border-bottom: 1px solid rgba(5,7,6,.22); }
  .mini-wave { height: 100px; margin-top: 35px; margin-bottom: 20px; }
  .output-card h3 { margin-top: 20px; }
}

@media (max-width: 700px) {
  :root { --page: 88vw; }
  .site-header { height: 72px; padding-inline: 6vw; }
  .lang-switch { display: none; }
  .hero-photo {
    background-position: 54% center;
    filter: saturate(.78) contrast(1.1) brightness(.58);
  }
  .hero-glow {
    background:
      linear-gradient(90deg, rgba(5,7,6,.88), rgba(5,7,6,.3)),
      linear-gradient(180deg, rgba(5,7,6,.42), transparent 38%, rgba(5,7,6,.9));
  }
  .hero-content {
    justify-content: flex-end;
    width: 88vw;
    max-width: 88vw;
    padding: 120px 0 96px;
  }
  .eyebrow { margin-bottom: 5vh; }
  .hero-title { width: 100%; line-height: .86; }
  .hero-title span { font-size: clamp(4rem, 20vw, 5.8rem); }
  .hero-title em { margin-left: 0; font-size: clamp(2.55rem, 12.5vw, 3.9rem); }
  .hero-title strong { justify-self: start; margin-top: .18em; font-size: clamp(4rem, 20vw, 5.8rem); }
  .hero-mantra { margin-top: 2.5vh; font-size: .58rem; }
  .hero-bottom {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    min-width: 0;
    gap: 24px;
    margin-top: 4vh;
    padding-left: 0;
  }
  .hero-intro { width: 100%; max-width: 100%; font-size: .76rem; overflow-wrap: anywhere; }
  .hero-intro br { display: block; }
  .hero-ctas {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);
    width: 100%;
    min-width: 0;
    gap: 14px;
  }
  .sound-toggle { justify-self: start; width: 100%; }
  .primary-cta { width: 170px; }
  .hero-readout { left: 6vw; gap: 12px; }
  .hero-readout span:last-child { display: none; }
  .hero-status { display: none; }
  .sound-source-label { display: none; }
  .hero-index,
  .scroll-cue { display: none; }
  .manifesto { padding: 110px 0 90px; }
  .coordinate { display: none; }
  .manifesto-layout { gap: 70px; padding: 70px 0 80px; }
  .manifesto-orbit { width: 70vw; justify-self: center; }
  .display-copy { font-size: clamp(2.8rem, 13.5vw, 4.4rem); }
  .manifesto-detail { grid-template-columns: 1fr; margin-top: 40px; }
  .fact-strip { grid-template-columns: 1fr; }
  .fact-strip article { min-height: 110px; padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .fact-strip article:last-child { border-bottom: 0; }
  .research,
  .outputs,
  .news { padding-top: 100px; padding-bottom: 110px; }
  .section-heading { grid-template-columns: 1fr; gap: 30px; margin-bottom: 55px; }
  .section-heading h2,
  .news-lead h2 { font-size: clamp(3.8rem, 18vw, 6rem); }
  .section-heading > p { max-width: 360px; }
  .section-heading > .text-link { justify-self: start; }
  .spectrum-row { grid-template-columns: 42px 1fr 24px; gap: 10px; min-height: 96px; }
  .spectrum-row .spectrum-signal,
  .spectrum-row .spectrum-hz { display: none; }
  .spectrum-row h3 { font-size: 1.4rem; }
  .fieldwork,
  .field-overlay { min-height: 830px; }
  .field-copy { top: 19%; left: 0; width: 100%; }
  .field-copy h2 { font-size: clamp(5rem, 26vw, 8rem); }
  .field-en { font-size: clamp(2.7rem, 13vw, 4rem); }
  .field-meter { right: 0; bottom: 45px; width: 100%; }
  .map-point.p1 { left: 8%; }
  .map-point.p2 { left: 50%; }
  .output-grid { grid-template-columns: 1fr; }
  .output-feature { min-height: 650px; border-right: 0; border-bottom: 1px solid rgba(5,7,6,.22); }
  .output-card { min-height: 390px; border-right: 0; }
  .mini-wave { height: 130px; margin-top: 55px; }
  .news-lead { grid-template-columns: 1fr; gap: 35px; margin: 70px 0; }
  .news-item { grid-template-columns: 1fr 30px; gap: 12px; padding: 25px 0; }
  .news-item time { grid-column: 1; }
  .news-item > div { grid-column: 1; }
  .news-arrow { grid-column: 2; grid-row: 1 / 3; }
  .contact,
  .contact-inner { min-height: 650px; }
  .contact-inner h2 { font-size: clamp(4.5rem, 21vw, 7rem); }
  .contact-rings { width: 110vw; right: -60vw; }
  .footer-brand { align-items: flex-start; flex-direction: column; gap: 30px; }
  .footer-brand strong { font-size: 20vw; }
  .footer-brand > span { text-align: left; }
  .footer-info { grid-template-columns: 1fr 1fr; padding-left: 0; }
  .footer-bottom { flex-wrap: wrap; gap: 15px; }
  .footer-bottom span:nth-child(2) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}
