@font-face {
  font-family: "Space Grotesk Local";
  src: url("architecture-assets/fonts/space-grotesk-latin-ext.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "Manrope Local";
  src: url("architecture-assets/fonts/manrope-latin-ext.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "IBM Plex Mono Local";
  src: url("architecture-assets/fonts/ibm-plex-mono-500-latin-ext.woff2") format("woff2");
  font-display: swap;
}

:root {
  --ink: #060606;
  --ink-soft: #141414;
  --paper: #ece9e1;
  --paper-bright: #f6f3ec;
  --paper-dark: #d7d3ca;
  --signal: #dc5738;
  --line-dark: rgba(6, 6, 6, .18);
  --line-light: rgba(246, 243, 236, .22);
  --gutter: clamp(20px, 3vw, 58px);
  --header-h: 64px;
  --ease: cubic-bezier(.2, .78, .22, 1);
  --font-display: "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  background: var(--ink);
  scrollbar-width: none;
}

html::-webkit-scrollbar {
  width: 0;
  height: 0;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--ink);
  font-family: "Manrope Local", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

body::before {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: calc(var(--page-progress, 0) * 100%);
  height: 3px;
  background: var(--signal);
  content: "";
  pointer-events: none;
}

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

button,
input {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
  background: none;
}

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

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

[hidden] {
  display: none !important;
}

::selection {
  background: var(--signal);
  color: var(--paper-bright);
}

.title-outline {
  display: block;
  color: inherit;
  opacity: .22;
}

@supports (-webkit-text-stroke: 1px #000) {
  .title-outline {
    color: transparent;
    opacity: 1;
    -webkit-text-stroke: clamp(1px, .09vw, 2px) var(--outline-color, currentColor);
    paint-order: stroke fill;
  }
}

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

.skip-link {
  position: fixed;
  z-index: 1200;
  top: 12px;
  left: 12px;
  padding: 12px 16px;
  background: var(--paper-bright);
  color: var(--ink);
  font: 10px "IBM Plex Mono Local", monospace;
  transform: translateY(-180%);
}

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

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: grid;
  width: 100%;
  height: var(--header-h);
  grid-template-columns: minmax(170px, .75fr) .7fr 1fr auto;
  align-items: center;
  padding: 0 var(--gutter);
  border-bottom: 1px solid rgba(246, 243, 236, .13);
  background: rgba(6, 6, 6, .91);
  color: var(--paper-bright);
  backdrop-filter: blur(18px);
  transition: height 300ms var(--ease), background 300ms ease;
}

.site-header.is-scrolled {
  height: 56px;
  background: rgba(6, 6, 6, .97);
}

.mother-mark,
.footer-mark {
  display: inline-flex;
  flex-direction: column;
  width: max-content;
  font-family: "Space Grotesk Local", sans-serif;
  font-size: 11px;
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.045em;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 7px "IBM Plex Mono Local", monospace;
  letter-spacing: .12em;
}

.system-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(220, 87, 56, .14);
  animation: live-pulse 2.4s ease-in-out infinite;
}

@keyframes live-pulse {
  50% { box-shadow: 0 0 0 8px rgba(220, 87, 56, 0); }
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: clamp(24px, 3vw, 54px);
}

.desktop-nav a,
.header-cta,
.language-switch button,
.menu-toggle {
  font: 8px "IBM Plex Mono Local", monospace;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.desktop-nav a {
  position: relative;
  padding: 8px 0;
  opacity: .58;
  transition: opacity 180ms ease;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 1px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 280ms var(--ease);
}

.desktop-nav a:hover,
.desktop-nav a[aria-current] {
  opacity: 1;
}

.desktop-nav a:hover::after,
.desktop-nav a[aria-current]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.language-switch {
  display: flex;
  padding: 3px;
  border: 1px solid rgba(246, 243, 236, .25);
  border-radius: 99px;
}

.language-switch button {
  width: 31px;
  height: 26px;
  cursor: pointer;
  border-radius: 99px;
  color: var(--paper-bright);
  opacity: .48;
}

.language-switch button[aria-pressed="true"] {
  background: var(--paper-bright);
  color: var(--ink);
  opacity: 1;
}

.header-cta {
  display: grid;
  min-height: 36px;
  place-items: center;
  padding: 0 18px;
  background: var(--paper-bright);
  color: var(--ink);
  transition: background 180ms ease, color 180ms ease;
}

.header-cta:hover {
  background: var(--signal);
  color: var(--paper-bright);
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 36px;
  cursor: pointer;
}

.menu-toggle i,
.menu-toggle i::before {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  content: "";
  transition: transform 260ms var(--ease);
}

.menu-toggle i::before {
  transform: translateY(5px);
}

.menu-toggle span {
  display: none;
}

.menu-toggle[aria-expanded="true"] i {
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] i::before {
  transform: rotate(-90deg);
}

.mobile-menu {
  position: fixed;
  z-index: 95;
  inset: 0;
  display: grid;
  padding: calc(var(--header-h) + 30px) 20px 28px;
  background: var(--ink);
  color: var(--paper-bright);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-24px);
  transition: opacity 240ms ease, transform 420ms var(--ease);
}

.menu-open .mobile-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-menu a {
  display: grid;
  grid-template-columns: 46px 1fr auto;
  align-items: center;
  border-bottom: 1px solid var(--line-light);
}

.mobile-menu a span {
  font: 8px "IBM Plex Mono Local", monospace;
}

.mobile-menu a b {
  font-family: var(--font-display);
  font-size: clamp(36px, 9vw, 64px);
  font-weight: 900;
  line-height: .86;
  letter-spacing: -.07em;
}

.mobile-menu a::after {
  content: "↗";
  font-size: 24px;
}

.hero {
  position: relative;
  padding-top: var(--header-h);
  background: var(--paper);
}

.hero-mast {
  display: grid;
  min-height: clamp(440px, 45vw, 650px);
  grid-template-columns: minmax(90px, .55fr) minmax(540px, 2.1fr) minmax(280px, .9fr);
  gap: clamp(18px, 3vw, 58px);
  align-items: end;
  padding: clamp(42px, 6vw, 86px) var(--gutter) clamp(36px, 5vw, 72px);
  background:
    linear-gradient(to right, transparent calc(50% - .5px), rgba(6, 6, 6, .11) 50%, transparent calc(50% + .5px)),
    radial-gradient(circle at 20% 0%, rgba(255, 255, 255, .75), transparent 30%),
    var(--paper);
}

.hero-index {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 13px;
  padding-bottom: 8px;
  font: 7px "IBM Plex Mono Local", monospace;
  letter-spacing: .1em;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.hero-index i {
  width: 1px;
  height: 56px;
  background: var(--ink);
}

.hero-mast h1 {
  --outline-color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(68px, 7.7vw, 148px);
  font-weight: 900;
  line-height: .72;
  letter-spacing: -.088em;
}

.hero-mast h1 span {
  display: block;
}

.hero-mast h1 span:first-child {
  padding-left: .02em;
  font-size: .48em;
  letter-spacing: -.06em;
}

.hero-thesis {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 20px 0 8px clamp(18px, 2vw, 38px);
  border-left: 1px solid var(--line-dark);
}

.hero-thesis p {
  max-width: 360px;
  font-family: var(--font-display);
  font-size: clamp(22px, 2vw, 38px);
  font-weight: 800;
  line-height: .96;
  letter-spacing: -.055em;
}

.hero-thesis a {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid currentColor;
  font: 8px "IBM Plex Mono Local", monospace;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.worlds {
  position: relative;
  display: flex;
  min-height: clamp(620px, 54vw, 760px);
  overflow: hidden;
  background: var(--ink);
}

.world {
  min-width: 0;
  flex: 1 1 50%;
  display: grid;
  grid-template-rows: 55% 45%;
  transition: flex-basis 680ms var(--ease);
}

.worlds[data-focus="hht"] .world--hht,
.worlds[data-focus="ts"] .world--ts {
  flex-basis: 59%;
}

.worlds[data-focus="hht"] .world--ts,
.worlds[data-focus="ts"] .world--hht {
  flex-basis: 41%;
}

.world--hht {
  color: var(--paper-bright);
}

.world--ts {
  background: var(--paper-bright);
  color: var(--ink);
}

.world__media {
  position: relative;
  overflow: hidden;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}

.world__media::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 56%, rgba(6, 6, 6, .24));
  content: "";
  transition: opacity 380ms ease, transform 900ms var(--ease);
}

.world:hover .world__media::after,
.world:focus-within .world__media::after {
  opacity: .32;
  transform: scale(1.02);
}

.world--hht .world__media {
  background-image: url("architecture-assets/media/hero-hht-orange.webp");
  background-position: center 42%;
}

.world--ts .world__media {
  background-image: url("architecture-assets/media/hero-takeovers-studios-wide.webp");
  background-position: center 52%;
}

.world__media > span {
  position: absolute;
  z-index: 1;
  top: 20px;
  left: var(--gutter);
  padding: 9px 11px;
  border: 1px solid rgba(246, 243, 236, .5);
  background: rgba(6, 6, 6, .58);
  color: var(--paper-bright);
  font: 7px "IBM Plex Mono Local", monospace;
  letter-spacing: .1em;
}

.world__content {
  display: grid;
  min-width: 0;
  grid-template-columns: minmax(130px, .5fr) minmax(230px, 1fr);
  grid-template-rows: auto 1fr auto;
  column-gap: clamp(18px, 2vw, 42px);
  padding: clamp(24px, 3.2vw, 52px) var(--gutter) 28px;
  border-top: 1px solid currentColor;
}

.world--hht .world__content {
  background: var(--ink);
}

.world--ts .world__content {
  background: var(--paper-bright);
}

.world__identity {
  grid-row: 1 / span 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
}

.world__identity img {
  width: 76px;
  max-height: 74px;
  object-fit: contain;
}

.world--ts .world__identity img {
  width: 166px;
  filter: invert(1);
}

.world__identity span,
.world__routes,
.story-header > span,
.story-scene__label,
.story-scene__identity span,
.story-tags,
.signal-heading > span,
.signal-preview__content > span,
.contact-intro > span,
.contact-door > span,
.contact-door small,
.contact-general,
.footer-utility {
  font: 7px "IBM Plex Mono Local", monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.world__content h2 {
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 76px);
  font-weight: 900;
  line-height: .82;
  letter-spacing: -.072em;
}

.world--hht .world__content h2 { --outline-color: var(--paper-bright); }
.world--ts .world__content h2 { --outline-color: var(--ink); }
.world__content h2 span { display: block; }

.world__content > p {
  align-self: end;
  max-width: 460px;
  margin-top: 18px;
  font-size: clamp(12px, .9vw, 16px);
  line-height: 1.55;
  opacity: .68;
}

.world__routes {
  grid-column: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 22px;
  border-top: 1px solid currentColor;
}

.world__routes a {
  display: flex;
  min-height: 42px;
  align-items: flex-end;
  padding: 12px 8px 0 0;
  opacity: .72;
  transition: opacity 180ms ease, padding 240ms var(--ease);
}

.world__routes a + a {
  justify-content: flex-end;
}

.world__routes a:hover {
  padding-left: 8px;
  opacity: 1;
}

.world-axis {
  position: absolute;
  z-index: 5;
  bottom: -24px;
  left: 50%;
  display: grid;
  width: 66px;
  height: 66px;
  grid-template-columns: 1fr 12px 1fr;
  place-items: center;
  border: 1px solid rgba(246, 243, 236, .35);
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper-bright);
  font: 6px "IBM Plex Mono Local", monospace;
  transform: translateX(-50%);
}

.world-axis i {
  width: 12px;
  height: 1px;
  background: currentColor;
}

.living-system {
  position: relative;
  height: 280vh;
  min-height: 1750px;
  background: var(--ink);
}

.story-stage {
  position: sticky;
  z-index: 2;
  top: var(--header-h);
  height: calc(100svh - var(--header-h));
  min-height: 650px;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper-bright);
  transition: background 500ms ease, color 500ms ease;
}

.story-header {
  position: absolute;
  z-index: 8;
  top: 0;
  left: 0;
  display: grid;
  width: 100%;
  height: 94px;
  grid-template-columns: 1fr 2fr 1fr;
  align-items: center;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--line-light);
  color: var(--paper-bright);
  mix-blend-mode: difference;
}

.story-header h2 {
  justify-self: center;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.3vw, 44px);
  font-weight: 800;
  letter-spacing: -.055em;
}

.story-counter {
  display: grid;
  width: min(210px, 100%);
  grid-template-columns: auto 1fr auto;
  align-items: center;
  justify-self: end;
  gap: 12px;
  font: 8px "IBM Plex Mono Local", monospace;
}

.story-counter i {
  height: 1px;
  overflow: hidden;
  background: rgba(246, 243, 236, .3);
}

.story-counter em {
  display: block;
  width: 33.333%;
  height: 100%;
  background: currentColor;
  transform-origin: left;
  transition: transform 600ms var(--ease), width 400ms var(--ease);
}

.story-scene {
  position: absolute;
  z-index: 1;
  inset: 94px 0 0;
  display: grid;
  grid-template-columns: minmax(450px, 43%) 1fr;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  will-change: opacity;
  transition: opacity 440ms var(--ease), visibility 0s linear 440ms;
}

.story-scene.is-active {
  z-index: 2;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 520ms var(--ease), visibility 0s linear 0s;
}

.story-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 5vw, 90px) var(--gutter);
  background: var(--ink);
  color: var(--paper-bright);
  transform: translateX(-14px);
  transition: transform 520ms var(--ease);
}

.story-scene.is-active .story-copy {
  transform: translateX(0);
}

.story-scene--extensions .story-copy {
  background: var(--signal);
  color: var(--ink);
}

.story-scene--ts .story-copy {
  background: var(--paper);
  color: var(--ink);
}

.story-scene__identity {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.story-scene__identity img {
  width: 72px;
  max-height: 68px;
  object-fit: contain;
}

.story-copy h3 {
  --outline-color: var(--paper-bright);
  max-width: 680px;
  margin-top: clamp(30px, 5vh, 68px);
  font-family: var(--font-display);
  font-size: clamp(54px, 5.4vw, 104px);
  font-weight: 900;
  line-height: .79;
  letter-spacing: -.075em;
}

.story-scene--extensions .story-copy h3,
.story-scene--ts .story-copy h3 {
  --outline-color: var(--ink);
}

.story-copy h3 span { display: block; }

.story-copy > p {
  max-width: 590px;
  margin-top: clamp(20px, 3vh, 38px);
  font-size: clamp(13px, 1.05vw, 18px);
  line-height: 1.55;
  opacity: .7;
}

.story-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: clamp(20px, 3vh, 40px);
}

.story-tags span {
  padding: 9px 10px;
  border: 1px solid var(--line-light);
}

.action-link {
  display: grid;
  width: min(100%, 380px);
  min-height: 54px;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
  margin-top: clamp(22px, 3.5vh, 44px);
  padding: 0 18px;
  border: 1px solid currentColor;
  background: var(--paper-bright);
  color: var(--ink);
  font: 8px "IBM Plex Mono Local", monospace;
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: background 220ms ease, color 220ms ease, transform 320ms var(--ease);
}

.action-link:hover {
  background: var(--signal);
  color: var(--paper-bright);
  transform: translateY(-3px);
}

.action-link[aria-disabled="true"] {
  cursor: default;
  opacity: .48;
  pointer-events: none;
}

.action-link--light {
  background: var(--ink);
  color: var(--paper-bright);
}

.action-link i {
  font-size: 16px;
  font-style: normal;
}

.story-visual {
  position: relative;
  overflow: hidden;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  clip-path: inset(0 0 0 10%);
  transform: scale(1.05);
  transition: clip-path 900ms var(--ease), transform 1200ms var(--ease);
}

.story-scene.is-active .story-visual {
  clip-path: inset(0);
  transform: scale(1);
}

.story-visual--hht {
  background-image: url("architecture-assets/media/context-hht-redman.webp");
  background-position: center 24%;
}

.story-visual--extensions {
  background-image: linear-gradient(180deg, transparent 60%, rgba(6, 6, 6, .3)), url("architecture-assets/media/hht-red-cube.png");
  background-position: center 43%;
  background-size: auto 128%;
}

.story-visual--ts {
  background-image: url("architecture-assets/media/context-studios-bar-cloud.webp");
  background-position: center 48%;
}

.story-visual figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 16px;
  background: rgba(6, 6, 6, .82);
  color: var(--paper-bright);
  font: 7px "IBM Plex Mono Local", monospace;
  letter-spacing: .07em;
}

.extension-marks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: clamp(26px, 4vh, 52px);
}

.extension-marks > div {
  display: flex;
  min-height: 132px;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  background: var(--ink);
  color: var(--paper-bright);
}

.extension-marks img {
  width: auto;
  max-width: 150px;
  height: 48px;
  object-fit: contain;
  object-position: left center;
}

.extension-marks span {
  font-size: 10px;
  line-height: 1.35;
  opacity: .65;
}

.studio-zones {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(24px, 3vh, 40px);
  border-top: 1px solid var(--line-dark);
  border-left: 1px solid var(--line-dark);
}

.studio-zones img {
  width: 100%;
  height: 74px;
  padding: 12px;
  border-right: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  object-fit: contain;
  filter: contrast(1.05);
}

.story-triggers {
  position: absolute;
  z-index: 0;
  inset: 0;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  pointer-events: none;
}

.capability-ticker {
  display: flex;
  height: 46px;
  overflow: hidden;
  align-items: center;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
  background: var(--ink);
  color: var(--paper-bright);
  font: 7px "IBM Plex Mono Local", monospace;
  letter-spacing: .08em;
  white-space: nowrap;
}

.capability-ticker > div {
  display: flex;
  min-width: max-content;
  align-items: center;
  animation: ticker 28s linear infinite;
}

.capability-ticker span {
  padding: 0 26px;
}

.capability-ticker i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--signal);
}

@keyframes ticker {
  to { transform: translateX(-100%); }
}

@keyframes swipe-cue {
  0%, 100% { transform: translateX(0); }
  45% { transform: translateX(6px); }
}

.signal-desk {
  position: relative;
  overflow: hidden;
  padding: clamp(74px, 8vw, 132px) var(--gutter) clamp(86px, 9vw, 150px);
  background:
    radial-gradient(circle at 78% 0%, rgba(255, 255, 255, .65), transparent 23%),
    var(--paper);
}

.signal-heading {
  display: grid;
  max-width: 1540px;
  grid-template-columns: 1fr 2.4fr 1fr;
  align-items: end;
  gap: 28px;
  margin: 0 auto clamp(46px, 6vw, 92px);
}

.signal-heading > span {
  align-self: start;
}

.signal-heading h2 {
  --outline-color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(70px, 8.6vw, 166px);
  font-weight: 900;
  line-height: .75;
  letter-spacing: -.088em;
  text-align: center;
}

.signal-heading h2 span { display: block; }

.signal-heading > p {
  align-self: start;
  max-width: 260px;
  font-size: 13px;
  line-height: 1.5;
}

.signal-filters {
  grid-column: 2;
  display: grid;
  width: min(100%, 390px);
  grid-template-columns: 1fr 1fr;
  justify-self: center;
  margin-top: 16px;
  border: 1px solid var(--ink);
}

.signal-filters button {
  display: grid;
  min-height: 52px;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  cursor: pointer;
  font-family: "Space Grotesk Local", sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.signal-filters button + button {
  border-left: 1px solid var(--ink);
}

.signal-filters button[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper-bright);
}

.signal-filters span {
  font: 7px "IBM Plex Mono Local", monospace;
  opacity: .55;
}

.signal-workspace {
  display: grid;
  max-width: 1540px;
  height: clamp(620px, 74vw, 720px);
  min-height: 0;
  grid-template-columns: minmax(300px, .72fr) minmax(0, 1.65fr);
  margin: 0 auto;
  border: 1px solid var(--line-dark);
  background: var(--paper-bright);
}

.signal-list {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--line-dark);
}

.signal-swipe-hint {
  display: none;
}

.signal-row {
  display: grid;
  min-height: 92px;
  flex: 1;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 0 22px;
  cursor: pointer;
  border-bottom: 1px solid var(--line-dark);
  text-align: left;
  transition: background 220ms ease, color 220ms ease;
}

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

.signal-row span,
.signal-row em {
  font: 7px "IBM Plex Mono Local", monospace;
  letter-spacing: .08em;
  opacity: .52;
}

.signal-row b {
  font-family: var(--font-display);
  font-size: clamp(17px, 1.35vw, 25px);
  line-height: .95;
  font-weight: 800;
  letter-spacing: -.055em;
  transition: transform 300ms var(--ease);
}

.signal-row em {
  font-style: normal;
}

.signal-row.is-active {
  background: var(--ink);
  color: var(--paper-bright);
}

.signal-row:hover:not(.is-active) {
  background: rgba(6, 6, 6, .055);
}

.signal-row.is-active b {
  transform: translateX(7px);
}

.signal-row.is-active em {
  color: var(--signal);
  opacity: 1;
}

.signal-preview {
  min-width: 0;
  display: grid;
  grid-template-rows: minmax(360px, 58%) 1fr;
  background: var(--ink);
  color: var(--paper-bright);
}

.signal-preview__visual {
  position: relative;
  overflow: hidden;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  transition: opacity 180ms ease;
}

.signal-preview__visual::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(6, 6, 6, .46));
  content: "";
}

.signal-preview[data-visual="ian"] .signal-preview__visual { background-image: url("architecture-assets/media/live-signals/ian-azteca.webp"); background-position: center 25%; }
.signal-preview[data-visual="history"] .signal-preview__visual { background-image: url("architecture-assets/media/live-signals/hht-history.jpg"); }
.signal-preview[data-visual="dave"] .signal-preview__visual { background-image: url("architecture-assets/media/live-signals/dave-east.webp"); background-position: center 23%; }
.signal-preview[data-visual="hub"] .signal-preview__visual { background-image: url("architecture-assets/media/live-signals/ts-space.webp"); background-position: center 58%; }
.signal-preview[data-visual="formats"] .signal-preview__visual { background-image: url("architecture-assets/media/live-signals/ts-formats.webp"); background-position: center 20%; }
.signal-preview[data-visual="production"] .signal-preview__visual { background-image: url("architecture-assets/media/live-signals/ts-production.webp"); background-position: center 56%; }
.signal-preview[data-visual="brief"] .signal-preview__visual { background-image: url("architecture-assets/media/context-studios-bar-cloud.webp"); background-position: center 56%; }
.signal-preview[data-visual="hhtv"] .signal-preview__visual,
.signal-preview[data-visual="hoppers"] .signal-preview__visual { background-image: radial-gradient(circle at 50% 40%, #232323, #060606 65%); }

.signal-preview__visual > span,
.signal-preview__visual > i {
  position: absolute;
  z-index: 2;
  top: 18px;
  padding: 9px 11px;
  background: rgba(6, 6, 6, .78);
  font: 7px "IBM Plex Mono Local", monospace;
  font-style: normal;
  letter-spacing: .08em;
}

.signal-preview__visual > span { left: 18px; }
.signal-preview__visual > i { right: 18px; color: var(--signal); }

.signal-preview__visual > img {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: min(48%, 360px);
  max-height: 45%;
  object-fit: contain;
  transform: translate(-50%, -50%);
}

.signal-preview__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 34px;
  align-content: center;
  padding: clamp(28px, 3vw, 50px);
}

.signal-preview__content > span {
  grid-column: 1 / -1;
  color: var(--signal);
}

.signal-preview__content h3 {
  font-family: var(--font-display);
  font-size: clamp(40px, 4.2vw, 78px);
  font-weight: 900;
  line-height: .8;
  letter-spacing: -.072em;
}

.signal-preview__content > p {
  max-width: 430px;
  font-size: clamp(12px, .9vw, 16px);
  line-height: 1.55;
  opacity: .65;
}

.signal-preview__content .action-link {
  grid-column: 2;
  align-self: end;
  margin-top: 8px;
}

.signal-preview.is-changing .signal-preview__visual,
.signal-preview.is-changing .signal-preview__content {
  opacity: .3;
}

.contact {
  background: var(--ink);
  color: var(--paper-bright);
}

.contact-intro {
  display: grid;
  min-height: min(52vw, 650px);
  grid-template-columns: 1fr 2.3fr 1fr;
  align-items: center;
  gap: 30px;
  padding: clamp(70px, 9vw, 150px) var(--gutter);
  border-bottom: 1px solid var(--line-light);
}

.contact-intro > span {
  align-self: start;
}

.contact-intro h2 {
  font-family: "Space Grotesk Local", sans-serif;
  font-size: clamp(74px, 10vw, 192px);
  font-weight: 600;
  line-height: .73;
  letter-spacing: -.09em;
}

.contact-intro p {
  align-self: end;
  max-width: 300px;
  font-size: 14px;
  line-height: 1.55;
  opacity: .62;
}

.contact-doors {
  display: flex;
  min-height: clamp(500px, 38vw, 650px);
  overflow: hidden;
}

.contact-door {
  position: relative;
  min-width: 0;
  flex: 1 1 50%;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  padding: clamp(30px, 4vw, 68px) var(--gutter);
  transition: flex-basis 700ms var(--ease), background 250ms ease, color 250ms ease;
}

.contact-doors:has(.contact-door--hht:hover) .contact-door--hht,
.contact-doors:has(.contact-door--ts:hover) .contact-door--ts {
  flex-basis: 60%;
}

.contact-doors:has(.contact-door--hht:hover) .contact-door--ts,
.contact-doors:has(.contact-door--ts:hover) .contact-door--hht {
  flex-basis: 40%;
}

.contact-door--hht {
  background: var(--signal);
  color: var(--ink);
}

.contact-door--ts {
  background: var(--paper-bright);
  color: var(--ink);
}

.contact-door img {
  align-self: center;
  width: 90px;
  max-height: 86px;
  object-fit: contain;
}

.contact-door--ts img {
  width: min(270px, 48%);
  filter: invert(1);
}

.contact-door strong {
  display: block;
  max-width: 680px;
  font-family: "Space Grotesk Local", sans-serif;
  font-size: clamp(50px, 5.5vw, 108px);
  font-weight: 600;
  line-height: .79;
  letter-spacing: -.075em;
}

.contact-door small {
  margin-top: 24px;
  opacity: .65;
}

.contact-door > i {
  position: absolute;
  right: var(--gutter);
  bottom: 40px;
  font-size: 34px;
  font-style: normal;
  transition: transform 300ms var(--ease);
}

.contact-door:hover > i {
  transform: translate(8px, -8px);
}

.contact-general {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 var(--gutter);
}

.contact-general a {
  padding-bottom: 5px;
  border-bottom: 1px solid currentColor;
}

.conversion-dock {
  position: fixed;
  z-index: 90;
  right: 50%;
  bottom: 16px;
  display: grid;
  width: min(560px, calc(100% - 36px));
  grid-template-columns: 1fr 1fr;
  border: 1px solid rgba(246, 243, 236, .34);
  box-shadow: 0 18px 50px rgba(5, 5, 5, .25);
  opacity: 0;
  pointer-events: none;
  transform: translate(50%, calc(100% + 32px));
  transition: opacity 240ms ease, transform 420ms var(--ease);
}

.conversion-dock.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(50%, 0);
}

.conversion-dock a {
  display: grid;
  min-height: 58px;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 0 18px;
  font: 8px "IBM Plex Mono Local", monospace;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.conversion-dock a span { opacity: .5; }
.conversion-dock a i { font-size: 16px; font-style: normal; }
.conversion-dock__hht { background: var(--signal); color: var(--ink); }
.conversion-dock__ts { background: var(--paper-bright); color: var(--ink); }

.site-footer {
  display: grid;
  grid-template-columns: minmax(220px, .72fr) 1fr 1fr;
  padding: 0 var(--gutter) 24px;
  background: var(--ink);
  color: var(--paper-bright);
}

.footer-intro,
.footer-brand {
  min-width: 0;
  min-height: 270px;
  padding: 40px 28px;
  border-left: 1px solid var(--line-light);
}

.footer-intro {
  display: flex;
  flex-direction: column;
  padding-left: 0;
  border-left: 0;
}

.footer-intro p {
  margin-top: auto;
  font-size: 14px;
  opacity: .68;
}

.footer-intro > a {
  width: max-content;
  margin-top: 16px;
  padding-bottom: 7px;
  border-bottom: 1px solid currentColor;
  font: 12px "IBM Plex Mono Local", monospace;
  letter-spacing: .02em;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.footer-brand__logo img {
  width: 78px;
  max-height: 70px;
  object-fit: contain;
  object-position: left center;
}

.footer-brand--ts .footer-brand__logo img {
  width: 210px;
}

.footer-social {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
  font: 12px "IBM Plex Mono Local", monospace;
  letter-spacing: .055em;
  line-height: 1.3;
  text-transform: uppercase;
}

.footer-social a {
  display: flex;
  min-height: 34px;
  align-items: center;
  border-bottom: 1px solid rgba(246, 243, 236, .16);
  opacity: .76;
  transition: opacity 180ms ease, transform 240ms var(--ease);
}

.footer-social a:hover {
  opacity: 1;
  transform: translateX(4px);
}

.footer-utility {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
  font-size: 9px;
}

@media (max-width: 1180px) {
  .site-header {
    grid-template-columns: 170px 1fr auto;
  }

  .system-status {
    display: none;
  }

  .hero-mast {
    grid-template-columns: 64px minmax(0, 2fr) minmax(240px, .9fr);
  }

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

  .world__identity {
    grid-row: auto;
    flex-direction: row;
    align-items: center;
  }

  .world__identity img {
    width: 58px;
    max-height: 48px;
  }

  .world--ts .world__identity img {
    width: 145px;
  }

  .world__content h2 {
    margin-top: 20px;
  }

  .world__content > p,
  .world__routes {
    grid-column: 1;
  }

  .story-scene {
    grid-template-columns: 48% 52%;
  }

  .story-copy h3 {
    font-size: clamp(48px, 6vw, 74px);
  }

  .studio-zones img {
    height: 60px;
    padding: 8px;
  }
}

@media (max-width: 900px) {
  :root {
    --header-h: 58px;
    --gutter: 20px;
  }

  .site-header {
    grid-template-columns: 1fr auto;
    padding: 0 20px;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .header-actions {
    gap: 6px;
  }

  .hero-mast {
    min-height: 520px;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    align-items: start;
    padding: 34px 20px 30px;
  }

  .hero-index {
    display: flex;
    align-self: auto;
    flex-direction: row;
    justify-content: space-between;
    padding: 0;
    writing-mode: initial;
    transform: none;
  }

  .hero-index i {
    width: 40px;
    height: 1px;
  }

  .hero-mast h1 {
    align-self: center;
    min-width: 0;
    max-width: 100%;
    font-size: clamp(48px, 14.6vw, 104px);
    line-height: .75;
  }

  .hero-thesis {
    display: grid;
    grid-template-columns: 1.3fr .7fr;
    gap: 18px;
    padding: 20px 0 0;
    border-top: 1px solid var(--line-dark);
    border-left: 0;
  }

  .hero-thesis p {
    font-size: clamp(20px, 5vw, 32px);
  }

  .hero-thesis a {
    align-self: end;
    font-size: 7px;
  }

  .worlds {
    display: grid;
    min-height: 0;
    overflow: visible;
  }

  .world {
    min-height: 670px;
    grid-template-rows: 52% 48%;
  }

  .worlds[data-focus] .world {
    flex-basis: auto;
  }

  .world__content {
    padding: 28px 20px 22px;
  }

  .world__content h2 {
    font-size: clamp(42px, 12vw, 70px);
  }

  .world__content > p {
    max-width: 620px;
    font-size: 13px;
  }

  .world__media > span {
    left: 20px;
  }

  .world-axis {
    top: calc(520px + 670px - 27px);
    bottom: auto;
  }

  .living-system {
    height: 285svh;
    min-height: 1780px;
  }

  .story-stage {
    top: var(--header-h);
    height: calc(100svh - var(--header-h));
    min-height: 620px;
  }

  .story-header {
    height: 82px;
    grid-template-columns: 1fr auto;
    padding: 0 20px;
  }

  .story-header h2 {
    display: none;
  }

  .story-counter {
    width: 130px;
  }

  .story-scene {
    inset: 82px 0 0;
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 58%) minmax(210px, 42%);
  }

  .story-copy {
    justify-content: center;
    padding: 24px 20px 20px;
  }

  .story-copy h3 {
    max-width: 560px;
    margin-top: 20px;
    font-size: clamp(39px, 10.5vw, 64px);
  }

  .story-copy > p {
    max-width: 620px;
    margin-top: 14px;
    font-size: 12px;
    line-height: 1.42;
  }

  .story-tags {
    margin-top: 14px;
  }

  .story-tags span {
    padding: 6px 7px;
    font-size: 6px;
  }

  .action-link {
    min-height: 46px;
    margin-top: 16px;
  }

  .story-visual {
    clip-path: inset(8% 0 0);
  }

  .story-visual--hht {
    background-position: center 22%;
  }

  .story-visual figcaption {
    right: 10px;
    bottom: 10px;
    left: 10px;
    min-height: 38px;
    padding: 0 10px;
  }

  .extension-marks {
    margin-top: 18px;
  }

  .extension-marks > div {
    min-height: 92px;
    padding: 12px;
  }

  .extension-marks img {
    height: 34px;
  }

  .extension-marks span {
    font-size: 8px;
  }

  .studio-zones {
    grid-template-columns: repeat(4, 1fr);
    margin-top: 14px;
  }

  .studio-zones img {
    height: 48px;
    padding: 7px;
  }

  .story-scene--ts .action-link {
    margin-top: 12px;
  }

  .signal-desk {
    padding: 72px 20px 90px;
  }

  .signal-heading {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 36px;
  }

  .signal-heading h2 {
    font-size: clamp(62px, 17vw, 120px);
    text-align: left;
  }

  .signal-heading > p {
    max-width: 480px;
  }

  .signal-filters {
    grid-column: 1;
    width: 100%;
    justify-self: stretch;
  }

  .signal-filters button {
    min-height: 64px;
    gap: 14px;
    padding: 0 18px;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 900;
  }

  .signal-filters span {
    font-size: 8px;
  }

  .signal-workspace {
    height: auto;
    min-height: 0;
    grid-template-columns: 1fr;
    border: 0;
    background: transparent;
  }

  .signal-list {
    flex-direction: row;
    gap: 6px;
    overflow-x: auto;
    padding: 0 38px 8px 0;
    border-right: 0;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 0 38px;
    scrollbar-width: none;
    scroll-snap-type: x mandatory;
    touch-action: pan-x;
  }

  .signal-list::-webkit-scrollbar {
    display: none;
  }

  .signal-row {
    min-width: clamp(146px, 39vw, 162px);
    min-height: 54px;
    flex: 0 0 auto;
    grid-template-columns: 22px 1fr;
    gap: 8px;
    padding: 0 14px;
    border: 1px solid var(--line-dark);
    scroll-snap-align: start;
  }

  .signal-row em {
    display: none;
  }

  .signal-row.is-active {
    padding-left: 14px;
  }

  .signal-row b {
    font-size: 14px;
  }

  .signal-swipe-hint {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 8px 2px 14px;
    color: var(--ink);
    font: 8px "IBM Plex Mono Local", monospace;
    letter-spacing: .08em;
    text-transform: uppercase;
  }

  .signal-swipe-hint i {
    font-size: 18px;
    font-style: normal;
    animation: swipe-cue 1.8s var(--ease) infinite;
  }

  .signal-preview {
    grid-template-rows: minmax(330px, 48svh) auto;
    margin-top: 0;
  }

  .signal-preview__content {
    grid-template-columns: 1fr;
    padding: 28px 22px 30px;
  }

  .signal-preview__content h3 {
    font-size: clamp(40px, 11vw, 68px);
  }

  .signal-preview__content .action-link {
    grid-column: 1;
  }

  .contact-intro {
    min-height: 500px;
    grid-template-columns: 1fr;
    align-content: center;
    gap: 34px;
    padding: 70px 20px;
  }

  .contact-intro h2 {
    font-size: clamp(70px, 19vw, 132px);
  }

  .contact-intro p {
    align-self: auto;
    max-width: 500px;
  }

  .contact-doors {
    display: grid;
    min-height: 0;
  }

  .contact-door {
    min-height: 430px;
    padding: 30px 20px;
  }

  .contact-doors:has(.contact-door:hover) .contact-door {
    flex-basis: auto;
  }

  .contact-door strong {
    font-size: clamp(52px, 13vw, 82px);
  }

  .contact-door > i {
    right: 20px;
    bottom: 26px;
  }

  .contact-general {
    min-height: 110px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 22px 20px;
  }

  .conversion-dock {
    bottom: 8px;
    width: calc(100% - 16px);
  }

  .conversion-dock a {
    min-height: 52px;
    gap: 8px;
    padding: 0 12px;
  }

  .conversion-dock a span {
    display: none;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 0 20px 22px;
  }

  .footer-intro,
  .footer-brand {
    min-height: 0;
    padding: 28px 0;
    border-top: 1px solid var(--line-light);
    border-left: 0;
  }

  .footer-intro {
    min-height: 156px;
    border-top: 0;
  }

  .footer-social {
    margin-top: 26px;
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  .mother-mark {
    font-size: 9px;
  }

  .language-switch button {
    width: 28px;
  }

  .hero-mast {
    min-height: 500px;
  }

  .hero-mast h1 {
    font-size: clamp(40px, 13vw, 68px);
  }

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

  .hero-thesis p {
    max-width: 340px;
  }

  .hero-thesis a {
    max-width: 230px;
  }

  .world {
    min-height: 640px;
    grid-template-rows: 50% 50%;
  }

  .world-axis {
    top: calc(500px + 640px - 26px);
  }

  .world__content h2 {
    font-size: 44px;
  }

  .world__routes {
    margin-top: 14px;
  }

  .world__routes a {
    font-size: 6px;
  }

  .story-stage {
    min-height: 0;
  }

  .story-scene {
    grid-template-rows: minmax(0, 61%) minmax(180px, 39%);
  }

  .story-scene__identity img {
    width: 54px;
    max-height: 48px;
  }

  .story-copy h3 {
    font-size: clamp(36px, 10.7vw, 54px);
  }

  .story-copy > p {
    font-size: 10px;
  }

  .story-tags span:nth-child(3) {
    display: none;
  }

  .action-link {
    min-height: 43px;
    font-size: 7px;
  }

  .studio-zones img {
    height: 42px;
  }

  .story-scene--ts .story-copy > p {
    font-size: 9.5px;
  }

  .signal-heading h2 {
    font-size: clamp(58px, 17.4vw, 86px);
  }

  .signal-preview {
    grid-template-rows: 310px auto;
  }

  .signal-preview__content h3 {
    font-size: 40px;
  }

  .contact-intro {
    min-height: 470px;
  }

  .contact-intro h2 {
    font-size: clamp(67px, 19vw, 96px);
  }

  .contact-door {
    min-height: 400px;
  }

  .contact-door strong {
    font-size: 48px;
  }
}

@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; }
}
