:root {
      color-scheme: light;
      --paper: #f8f5f2;
      --paper-warm: #f2ede9;
      --ink: #211d24;
      --ink-soft: #645d67;
      --ink-faint: #938a95;
      --line: rgba(33, 29, 36, 0.14);
      --rose: #ce4f91;
      --rose-bright: #e96cad;
      --rose-pale: #f7ddea;
      --violet: #76518e;
      --cyan: #268b9d;
      --cyan-pale: #dceef0;
      --night: #211d24;
      --night-soft: #302a33;
      --white: #fffdfb;
      --serif: Georgia, "Times New Roman", Times, serif;
      --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
      --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
      --page: min(1180px, calc(100% - 64px));
    }

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

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

    body {
      margin: 0;
      min-width: 280px;
      overflow-x: hidden;
      background:
        radial-gradient(circle at 82% 3%, rgba(223, 107, 169, 0.14), transparent 24rem),
        var(--paper);
      color: var(--ink);
      font-family: var(--sans);
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; }

    a:focus-visible {
      outline: 3px solid var(--cyan);
      outline-offset: 5px;
      border-radius: 3px;
    }

    .skip-link {
      position: fixed;
      top: 12px;
      left: 12px;
      z-index: 100;
      padding: 11px 16px;
      border-radius: 999px;
      background: var(--ink);
      color: var(--white);
      font-weight: 700;
      transform: translateY(-160%);
    }

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

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

    .site-header {
      position: relative;
      z-index: 10;
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 92px;
      border-bottom: 1px solid var(--line);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      color: var(--ink);
      font-size: 1rem;
      font-weight: 750;
      letter-spacing: -0.02em;
      text-decoration: none;
    }

    .brand-mark {
      position: relative;
      width: 34px;
      height: 25px;
    }

    .brand-mark::before,
    .brand-mark::after {
      content: "";
      position: absolute;
      top: 3px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      mix-blend-mode: multiply;
    }

    .brand-mark::before { left: 0; background: var(--rose-bright); }
    .brand-mark::after { right: 0; background: #65b2be; }

    nav {
      display: flex;
      align-items: center;
      gap: clamp(18px, 3vw, 38px);
    }

    nav a {
      color: var(--ink-soft);
      font-size: 0.84rem;
      font-weight: 650;
      text-decoration: none;
      transition: color 180ms ease;
    }

    nav a:hover { color: var(--rose); }

    .hero {
      position: relative;
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(330px, 0.74fr);
      gap: clamp(48px, 8vw, 108px);
      align-items: center;
      min-height: calc(100svh - 92px);
      padding-block: clamp(72px, 11vh, 130px);
    }

    .kicker {
      display: flex;
      align-items: center;
      gap: 12px;
      margin: 0 0 28px;
      color: var(--rose);
      font-family: var(--mono);
      font-size: 0.74rem;
      font-weight: 700;
      letter-spacing: 0.13em;
      text-transform: uppercase;
    }

    .kicker::before {
      content: "";
      width: 28px;
      height: 1px;
      background: currentColor;
    }

    h1, h2, h3, p { overflow-wrap: break-word; }

    h1 {
      max-width: 9.8ch;
      margin: 0;
      font-family: var(--serif);
      font-size: clamp(4.1rem, 8.5vw, 8.6rem);
      font-weight: 400;
      line-height: 0.87;
      letter-spacing: -0.065em;
    }

    h1 em {
      position: relative;
      color: var(--rose);
      font-weight: 400;
    }

    .hero-intro {
      max-width: 37rem;
      margin: 34px 0 0;
      color: var(--ink-soft);
      font-size: clamp(1.1rem, 1.6vw, 1.34rem);
      line-height: 1.62;
    }

    .hero-intro strong { color: var(--ink); font-weight: 650; }

    .confluence {
      position: relative;
      min-height: 520px;
      isolation: isolate;
    }

    .orbit {
      position: absolute;
      inset: 50% auto auto 50%;
      width: min(33vw, 400px);
      aspect-ratio: 1;
      border: 1px solid var(--line);
      border-radius: 50%;
      transform: translate(-50%, -50%);
    }

    .orbit::before,
    .orbit::after {
      content: "";
      position: absolute;
      border: 1px solid var(--line);
      border-radius: 50%;
    }

    .orbit::before { inset: 15%; }
    .orbit::after { inset: 33%; }

    .voice {
      position: absolute;
      z-index: 2;
      display: grid;
      place-items: center;
      border: 1px solid rgba(255, 255, 255, 0.6);
      border-radius: 50%;
      color: var(--white);
      font-family: var(--serif);
      font-size: 1.15rem;
      box-shadow: 0 24px 60px rgba(33, 29, 36, 0.12);
      animation: breathe 7s ease-in-out infinite;
    }

    .voice span { transform: translateY(-1px); }
    .voice-human { top: 14%; left: 3%; width: 126px; height: 126px; background: var(--rose); }
    .voice-agent { right: 1%; bottom: 14%; width: 148px; height: 148px; background: var(--cyan); animation-delay: -3.5s; }

    .shared-space {
      position: absolute;
      z-index: 3;
      top: 50%;
      left: 50%;
      display: grid;
      place-items: center;
      width: 162px;
      height: 162px;
      padding: 25px;
      border-radius: 50%;
      background: rgba(255, 253, 251, 0.88);
      box-shadow: 0 16px 60px rgba(33, 29, 36, 0.1);
      color: var(--ink);
      font-size: 0.78rem;
      font-weight: 750;
      line-height: 1.35;
      text-align: center;
      transform: translate(-50%, -50%);
      backdrop-filter: blur(10px);
    }

    .loop-word {
      position: absolute;
      color: var(--ink-faint);
      font-family: var(--mono);
      font-size: 0.66rem;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .loop-word.one { top: 8%; right: 18%; }
    .loop-word.two { right: 3%; top: 46%; }
    .loop-word.three { bottom: 5%; left: 20%; }

    @keyframes breathe {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-9px); }
    }

    .manifesto {
      position: relative;
      padding-block: clamp(100px, 14vw, 190px);
      border-top: 1px solid var(--line);
    }

    .manifesto::before {
      content: "“";
      position: absolute;
      top: clamp(56px, 8vw, 105px);
      right: 0;
      color: var(--rose-pale);
      font-family: var(--serif);
      font-size: clamp(12rem, 25vw, 24rem);
      line-height: 0.8;
      pointer-events: none;
    }

    .manifesto p {
      position: relative;
      max-width: 970px;
      margin: 0;
      font-family: var(--serif);
      font-size: clamp(2.6rem, 6.3vw, 6.2rem);
      font-weight: 400;
      line-height: 1.01;
      letter-spacing: -0.048em;
    }

    .manifesto p span { color: var(--rose); }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
      gap: clamp(36px, 8vw, 110px);
      align-items: start;
      padding-block: clamp(94px, 12vw, 156px) clamp(64px, 8vw, 102px);
    }

    .section-index {
      margin: 0;
      color: var(--rose);
      font-family: var(--mono);
      font-size: 0.73rem;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
    }

    h2 {
      margin: 0;
      font-family: var(--serif);
      font-size: clamp(2.8rem, 5.7vw, 5.8rem);
      font-weight: 400;
      line-height: 0.98;
      letter-spacing: -0.05em;
    }

    .section-lede {
      max-width: 42rem;
      margin: 26px 0 0;
      color: var(--ink-soft);
      font-size: clamp(1.06rem, 1.5vw, 1.26rem);
      line-height: 1.7;
    }

    .peer-section {
      background: var(--night);
      color: var(--white);
    }

    .peer-section .section-head { padding-bottom: 56px; }
    .peer-section .section-index { color: var(--rose-bright); }
    .peer-section .section-lede { color: #bbb2bd; }

    .exchange {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
      padding-bottom: clamp(100px, 13vw, 170px);
    }

    .line {
      position: relative;
      padding: 26px 28px;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: 26px;
      background: var(--night-soft);
      box-shadow: 0 20px 60px rgba(0, 0, 0, 0.14);
    }

    .line::after {
      content: "";
      position: absolute;
      bottom: -9px;
      width: 22px;
      height: 22px;
      background: inherit;
      transform: rotate(45deg);
    }

    .line-human { grid-column: 1 / span 7; }
    .line-human::after { left: 32px; }
    .line-agent { grid-column: 6 / span 7; margin-top: 18px; background: #2b3239; }
    .line-agent::after { right: 32px; }
    .line-shared { grid-column: 3 / span 8; margin-top: 18px; border-color: rgba(233, 108, 173, 0.38); }
    .line-shared::after { left: calc(50% - 11px); }

    .speaker {
      display: flex;
      align-items: center;
      gap: 10px;
      margin: 0 0 12px;
      color: #a99eab;
      font-family: var(--mono);
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .speaker::before {
      content: "";
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--rose-bright);
    }

    .line-agent .speaker::before { background: #65b2be; }
    .line-shared .speaker::before { background: var(--white); }

    .line blockquote {
      margin: 0;
      font-family: var(--serif);
      font-size: clamp(1.35rem, 2.6vw, 2.35rem);
      line-height: 1.22;
      letter-spacing: -0.025em;
    }

    .editorial-note {
      grid-column: 1 / span 5;
      align-self: end;
      margin: 58px 0 0;
      color: #a99eab;
      font-size: 0.9rem;
      line-height: 1.65;
    }

    .rooms {
      padding-bottom: clamp(104px, 15vw, 190px);
    }

    .room-story {
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.6fr);
      gap: clamp(50px, 9vw, 128px);
      align-items: start;
    }

    .room-figure {
      position: relative;
      min-height: 610px;
      border-top: 1px solid var(--line);
    }

    .thread-path {
      position: absolute;
      top: 0;
      bottom: 0;
      left: 50%;
      width: 1px;
      background: linear-gradient(var(--line), var(--rose), var(--line));
    }

    .thread-node {
      position: absolute;
      width: min(46%, 310px);
      padding: 20px 22px;
      border: 1px solid var(--line);
      border-radius: 18px;
      background: rgba(255, 253, 251, 0.7);
      box-shadow: 0 20px 50px rgba(33, 29, 36, 0.06);
    }

    .thread-node::before {
      content: "";
      position: absolute;
      top: 28px;
      width: 8px;
      height: 8px;
      border: 5px solid var(--paper);
      border-radius: 50%;
      background: var(--rose);
      box-sizing: content-box;
    }

    .thread-node.left { left: 0; }
    .thread-node.left::before { right: -15.5%; }
    .thread-node.right { right: 0; }
    .thread-node.right::before { left: -15.5%; }
    .thread-node:nth-child(2) { top: 92px; }
    .thread-node:nth-child(3) { top: 262px; }
    .thread-node:nth-child(4) { top: 434px; }

    .node-label {
      margin: 0 0 8px;
      color: var(--rose);
      font-family: var(--mono);
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
    }

    .thread-node h3 {
      margin: 0;
      font-family: var(--serif);
      font-size: 1.5rem;
      font-weight: 400;
      line-height: 1.18;
    }

    .thread-node p:last-child {
      margin: 10px 0 0;
      color: var(--ink-soft);
      font-size: 0.88rem;
      line-height: 1.55;
    }

    .room-copy {
      position: sticky;
      top: 54px;
      padding-top: 4px;
    }

    .room-copy .number {
      display: block;
      margin-bottom: 28px;
      color: var(--rose);
      font-family: var(--serif);
      font-size: 4.5rem;
      line-height: 1;
    }

    .room-copy h3 {
      max-width: 12ch;
      margin: 0;
      font-family: var(--serif);
      font-size: clamp(2.25rem, 4vw, 3.8rem);
      font-weight: 400;
      line-height: 1;
      letter-spacing: -0.04em;
    }

    .room-copy p {
      margin: 25px 0 0;
      color: var(--ink-soft);
      font-size: 1rem;
      line-height: 1.72;
    }

    .boundary {
      position: relative;
      overflow: hidden;
      background: var(--rose-pale);
    }

    .boundary::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.8), transparent 30rem);
      pointer-events: none;
    }

    .boundary .section-head { position: relative; }

    .boundary-rule {
      position: relative;
      display: grid;
      grid-template-columns: 1fr 1fr;
      border-top: 1px solid rgba(33, 29, 36, 0.2);
      border-bottom: 1px solid rgba(33, 29, 36, 0.2);
    }

    .rule-half {
      min-height: 390px;
      padding: clamp(42px, 7vw, 82px);
    }

    .rule-half + .rule-half { border-left: 1px solid rgba(33, 29, 36, 0.2); }

    .rule-half .owner {
      margin: 0 0 44px;
      color: var(--rose);
      font-family: var(--mono);
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .rule-half h3 {
      margin: 0;
      font-family: var(--serif);
      font-size: clamp(3.2rem, 7vw, 6.8rem);
      font-weight: 400;
      line-height: 0.86;
      letter-spacing: -0.055em;
    }

    .rule-half p:last-child {
      max-width: 29rem;
      margin: 34px 0 0;
      color: var(--ink-soft);
      font-size: 1rem;
      line-height: 1.65;
    }

    .boundary-coda {
      position: relative;
      max-width: 860px;
      margin: 0 auto;
      padding-block: clamp(86px, 12vw, 150px);
      text-align: center;
    }

    .boundary-coda p {
      margin: 0;
      font-family: var(--serif);
      font-size: clamp(2.3rem, 5.3vw, 5rem);
      line-height: 1.04;
      letter-spacing: -0.045em;
    }

    .boundary-coda strong { color: var(--rose); font-weight: 400; }

    .agency {
      display: grid;
      grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
      gap: clamp(54px, 11vw, 150px);
      align-items: end;
      padding-block: clamp(120px, 18vw, 230px);
    }

    .agency h2 { max-width: 11ch; }

    .agency-aside {
      border-top: 1px solid var(--line);
      padding-top: 26px;
    }

    .agency-aside p {
      margin: 0;
      color: var(--ink-soft);
      font-size: 1.05rem;
      line-height: 1.75;
    }

    .agency-aside p + p {
      margin-top: 26px;
      color: var(--ink);
      font-family: var(--serif);
      font-size: 1.65rem;
      line-height: 1.35;
    }

    footer {
      background: var(--night);
      color: var(--white);
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 40px;
      align-items: end;
      min-height: 390px;
      padding-block: 82px 38px;
    }

    .footer-mark {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-bottom: 56px;
      font-size: 0.98rem;
      font-weight: 750;
    }

    .footer-copy {
      max-width: 12ch;
      margin: 0;
      font-family: var(--serif);
      font-size: clamp(2.9rem, 6vw, 6rem);
      line-height: 0.96;
      letter-spacing: -0.05em;
    }

    .footer-meta {
      display: flex;
      flex-direction: column;
      gap: 12px;
      align-items: flex-end;
      color: #a99eab;
      font-size: 0.76rem;
      line-height: 1.5;
      text-align: right;
    }

    .footer-meta a { text-underline-offset: 4px; }
    .footer-meta a:hover { color: var(--white); }

    @media (max-width: 880px) {
      :root { --page: min(100% - 40px, 680px); }
      .hero { grid-template-columns: 1fr; min-height: auto; }
      .hero-copy { position: relative; z-index: 4; }
      .confluence { min-height: 390px; }
      .orbit { width: min(76vw, 360px); }
      .section-head { grid-template-columns: 1fr; }
      .exchange { grid-template-columns: repeat(8, 1fr); }
      .line-human { grid-column: 1 / span 7; }
      .line-agent { grid-column: 2 / span 7; }
      .line-shared { grid-column: 1 / span 8; }
      .editorial-note { grid-column: 1 / span 6; }
      .room-story { grid-template-columns: 1fr; }
      .room-copy { position: static; order: -1; }
      .boundary-rule { grid-template-columns: 1fr; }
      .rule-half + .rule-half { border-top: 1px solid rgba(33, 29, 36, 0.2); border-left: 0; }
      .agency { grid-template-columns: 1fr; }
    }

    @media (max-width: 580px) {
      :root { --page: calc(100% - 32px); }
      .site-header { min-height: 76px; }
      nav { gap: 16px; }
      nav a:first-child { display: none; }
      .hero { padding-block: 64px 76px; }
      h1 { font-size: clamp(3.6rem, 19vw, 5.2rem); }
      .confluence { min-height: 330px; }
      .voice-human { width: 100px; height: 100px; }
      .voice-agent { width: 114px; height: 114px; }
      .shared-space { width: 130px; height: 130px; padding: 20px; }
      .loop-word.two { display: none; }
      .manifesto p { font-size: clamp(2.4rem, 12vw, 4rem); }
      .line { padding: 22px; border-radius: 20px; }
      .line-human, .line-agent, .line-shared { grid-column: 1 / -1; }
      .editorial-note { grid-column: 1 / -1; }
      .room-figure { min-height: auto; padding-left: 22px; border-top: 0; }
      .thread-path { left: 4px; }
      .thread-node,
      .thread-node.left,
      .thread-node.right {
        position: relative;
        top: auto;
        right: auto;
        left: auto;
        width: 100%;
        margin: 0 0 20px;
      }
      .thread-node::before,
      .thread-node.left::before,
      .thread-node.right::before { top: 25px; right: auto; left: -26px; }
      .rule-half { min-height: 330px; padding-inline: 24px; }
      .footer-inner { grid-template-columns: 1fr; min-height: 430px; }
      .footer-meta { align-items: flex-start; text-align: left; }
    }

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

    @media (prefers-contrast: more) {
      :root { --line: rgba(33, 29, 36, 0.4); --ink-soft: #49424c; }
      .line { border-color: rgba(255, 255, 255, 0.35); }
    }

.hero-actions { display:flex; flex-wrap:wrap; align-items:center; gap:24px; margin-top:30px; }
.button { display:inline-flex; gap:24px; align-items:center; padding:15px 21px; border-radius:7px; background:var(--ink); color:var(--white); font-weight:650; text-decoration:none; font-size:.92rem; }
.button:hover { background:var(--violet); }
.text-link { font-size:.92rem; font-weight:650; text-underline-offset:5px; }
.availability { max-width:35rem; margin-top:20px; color:var(--ink-soft); font-size:.78rem; line-height:1.6; }