/* A4A full landing 2026-10-11 — sections after the first screen.
   Loaded after concept.css; reuses its tokens, buttons, balloons and route cards. */

/* balloons and chat lines: the owner found Pangolin heavy to read */
.say { font:600 18px/1.2 "Manrope",sans-serif; letter-spacing:-.01em; }
.line { font:500 16px/1.3 "Manrope",sans-serif; }

#nav { gap:clamp(14px,2vw,30px); }

/* Header: the product definition lives beside the name. */
.top-row { min-height:86px; }
.mark { align-items:center; gap:14px; }
.mark b { font-size:28px; }
.mark .mark-copy { display:flex; flex-direction:column; gap:5px; font-family:"Manrope",sans-serif; letter-spacing:0; }
.mark .mark-name { display:block; padding-bottom:5px; border-bottom:1px solid var(--line); font:500 12px/1.2 "Manrope",sans-serif; color:var(--ink); }
.mark .mark-definition { display:block; font:400 11px/1.3 "Manrope",sans-serif; color:var(--muted); }
#nav { gap:clamp(18px,2.4vw,36px); }
#nav a:nth-child(3) { display:block; }
.menu svg { width:22px; height:22px; fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; }
.visually-hidden { position:absolute!important; width:1px!important; height:1px!important; padding:0!important; margin:-1px!important; overflow:hidden!important; clip-path:inset(50%)!important; white-space:nowrap!important; border:0!important; }

/* One introduction, one quiet action, one scene. */
.hero { min-height:calc(100svh - 87px); display:flex; padding-block:clamp(44px,6vh,76px) 22px; }
.hero-grid { flex:1; grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr); grid-template-rows:1fr auto; grid-template-areas:"copy scene" "next next"; column-gap:clamp(24px,3vw,48px); row-gap:36px; align-items:center; }
.hero-copy { grid-area:copy; align-self:start; min-width:0; padding-block:12px 24px; }
.hero-head { margin:0 0 26px; }
.hero h1 { font-size:clamp(40px,4.3vw,62px); line-height:1.08; letter-spacing:-.04em; text-wrap:balance; }
.hero-human { min-width:0; }
.hero .lede { font-size:clamp(17px,1.5vw,20px); line-height:1.5; max-width:30em; text-wrap:balance; }
.hero .scene { grid-area:scene; align-self:end; min-width:0; max-width:none; margin:0; }
.hero .scene-stage { padding-top:64px; --talk-row:1; --talk-offset:48px; }
.hero .art { aspect-ratio:1/.65; }
.hero .island { width:54%; }
.hero .island-left { top:23%; }
.hero .island-right { top:8%; }
.hero .bubble { width:max-content; }
.hero .bubble-send { left:6%; right:auto; top:var(--talk-offset); }
.hero .bubble-reply { left:auto; right:2%; top:calc(var(--talk-offset) + 12px); }
.hero-next { grid-area:next; justify-self:center; display:inline-flex; align-items:center; gap:10px; min-height:44px; padding:8px 12px; font-size:13px; font-weight:500; text-decoration:none; color:var(--muted); }
.hero-next:hover { color:var(--accent-ink); }
.hero-next svg { width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; }

/* A compact control, not a second hero inside a card. */
.hero-agent.connect-inline { display:grid; grid-template-columns:minmax(0,1fr) 44px; gap:8px 10px; width:100%; max-width:390px; margin-top:36px; }
.connect-heading { grid-column:1/-1; display:flex; align-items:center; justify-content:space-between; gap:16px; min-height:28px; }
.connect-heading h2 { font:600 13px/1.4 "Manrope",sans-serif; letter-spacing:0; }
.connect-read { display:inline-flex; align-items:center; min-height:28px; font-size:12px; color:var(--muted); text-decoration:none; }
.connect-read:hover { text-decoration:underline; text-underline-offset:4px; }
.connect-switch { grid-column:1/-1; grid-row:2; display:flex; border-bottom:1px solid var(--line); }
.connect-switch button { flex:1; min-width:0; min-height:44px; padding:8px 4px; border:0; border-bottom:2px solid transparent; margin-bottom:-1px; font:600 13px/1.4 "Manrope",sans-serif; white-space:nowrap; color:var(--muted); background:none; cursor:pointer; }
.connect-switch button:hover { color:var(--accent-ink); }
.connect-switch button[aria-selected="true"] { color:var(--accent-ink); border-bottom-color:var(--accent); }
.connect-switch[hidden], .connect-panel[hidden], .identity-future[hidden] { display:none; }
.connect-panel { grid-column:1/-1; display:grid; grid-template-columns:minmax(0,1fr) 44px; align-items:center; gap:10px; }
.install-line { min-width:0; display:block; padding:10px 12px; border-radius:10px; background:var(--paper-2); font:500 12px/1.6 var(--mono); color:var(--ink); overflow-wrap:anywhere; user-select:all; }
.connect-fallback-title, .connect-source { grid-column:1/-1; }
.connect-paste { grid-column:1/-1; font-size:12px; line-height:1.5; color:var(--muted); margin-top:4px; }
.start-command { width:100%; max-width:540px; margin-bottom:12px; }
.connect-fallback-title { font-size:14px; margin-right:auto; }
.connect-source { display:inline-flex; align-items:center; min-height:44px; font-size:13px; color:var(--muted); }
.connect-switch:not([hidden]) ~ .connect-panel { grid-column:1/-1; grid-row:3; }
.connect-switch:not([hidden]) ~ .connect-panel .connect-fallback-title, .connect-switch:not([hidden]) ~ .connect-panel .connect-source { display:none; }
.connect-copy { display:grid; place-items:center; width:44px; height:44px; padding:0; border:1px solid var(--line); border-radius:10px; background:transparent; color:var(--muted); cursor:pointer; }
.connect-copy:hover { background:var(--card); border-color:var(--accent); color:var(--accent-ink); }
.connect-copy:disabled { cursor:progress; opacity:.6; }
.connect-copy svg { width:20px; height:20px; fill:none; stroke:currentColor; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; }
.connect-inline .copy-status { grid-column:1/-1; margin-top:6px; color:var(--accent-ink); font-size:12px; }
.connect-inline .copy-fallback { grid-column:1/-1; min-height:160px; border-color:var(--line); background:var(--card); color:var(--ink); }
.copy-scope:has([data-copy-mode="link"]) .copy-fallback { min-height:72px; }
.start-cta .copy-status { color:var(--accent-ink); }

@media (max-width:1050px) {
  .top-row { gap:16px; }
  .mark { gap:10px; }
  #nav { gap:18px; }
  #nav a { font-size:13px; }
  .hero-grid { grid-template-columns:minmax(0,1fr); grid-template-areas:"copy" "scene" "next"; grid-template-rows:auto auto auto; row-gap:32px; }
  .hero-copy { padding:0; max-width:650px; }
  .hero .scene { width:100%; max-width:730px; margin:0 auto; }
  .hero .br-wide { display:none; }
}
@media (max-width:800px) and (min-width:701px) {
  .mark .mark-definition { max-width:155px; }
  #nav { gap:14px; }
  #nav a { font-size:12px; }
}
@media (max-width:700px) {
  .top-row { min-height:78px; gap:0; }
  .mark b { font-size:26px; }
  .mark .mark-copy { display:flex; width:clamp(150px,43vw,190px); }
  .mark .mark-name { display:block; }
  .mark .mark-definition { display:block; }
  .menu { width:44px; height:44px; min-height:44px; padding:0; align-items:center; justify-content:center; background:none; border:0; }
  #nav { gap:0; }
  #nav a { font-size:16px; }
  .hero { min-height:0; padding-top:36px; padding-bottom:22px; }
  .hero-grid { row-gap:28px; }
  .hero-head { margin-bottom:20px; }
  .hero h1 { font-size:clamp(32px,9.6vw,48px); }
  .hero .lede { font-size:17px; }
  .hero-agent.connect-inline { margin-top:26px; }
  .hero .scene { width:calc(100% + 2 * var(--pad)); margin-inline:calc(-1 * var(--pad)); }
  .hero .scene-stage { --talk-offset:32px; }
  .hero .art { aspect-ratio:1/.65; }
  .hero .island { width:54%; }
  .hero .island-left { top:20%; }
  .hero .island-right { top:7%; }
  .hero .bubble-send { left:2%; right:auto; }
  .hero .bubble-reply { left:auto; right:2%; }
}

/* Each example has a different outcome; background context stays optional. */
/* Keep the approved original scene composition, inside the new right column. */
@media (min-width:701px) {
  .hero .scene-stage { padding-top:88px; --reference-row:1; }
  .hero .art { aspect-ratio:1/.55; }
  .hero .island { width:52%; }
  .hero .island-left { top:23.8%; }
  .hero .island-right { top:0; }
  .hero .bubble-send { left:16%; right:auto; top:4px; }
  .hero .bubble-reply { left:50%; right:auto; top:18px; }
}

.case-context { margin-top:12px; font-size:14px; line-height:1.5; color:var(--muted); text-wrap:pretty; }
.case details { margin-top:22px; }
.case summary { min-height:48px; font-size:13px; gap:12px; }
.case summary::after { flex:none; }
.case .more-body { font-size:14px; }

/* ---------- shared section frame ---------- */
/* Native platforms: their own agents, connected to the wider network. */
.integrate-grid { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.1fr); gap:clamp(32px,5vw,80px); align-items:center; }
.integrate-copy h2 { max-width:14em; }
.integrate-copy .block-lede { max-width:27em; }
.integrate-link { display:inline-flex; align-items:center; min-height:44px; margin-top:24px; }
.native-network { display:grid; grid-template-columns:minmax(0,1fr) 76px minmax(0,.9fr); align-items:center; padding-block:24px; }
.native-app { padding:24px 16px; border:1px solid var(--line); border-radius:var(--radius-inner); text-align:center; }
.native-app b { display:block; font-size:15px; font-weight:650; }
.native-app > span { display:block; font-size:12px; line-height:1.4; color:var(--muted); }
.native-agents { display:flex; justify-content:center; gap:14px; margin-block:24px 18px; }
.native-agents .ava { --s:42px; }
.native-bridge { height:180px; position:relative; }
.native-bridge svg { width:100%; height:100%; overflow:visible; fill:none; stroke:var(--accent); stroke-width:1.8; stroke-linejoin:round; vector-effect:non-scaling-stroke; }
.native-bridge > span { position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); padding:6px 8px; background:var(--accent-soft); color:var(--accent-ink); border-radius:6px; font:700 12px/1.3 "Manrope",sans-serif; }
.native-peers { display:flex; flex-direction:column; justify-content:space-between; gap:30px; height:190px; }
.native-peers > div { position:relative; min-height:80px; display:flex; flex-direction:column; gap:10px; align-items:center; justify-content:center; text-align:center; }
.native-peers > div::before { content:""; position:absolute; top:25px; left:0; width:calc(50% - 22px); border-top:1.8px solid var(--accent); }
.native-peers .ava { --s:38px; }
.native-peers > div > span:last-child { font-size:13px; color:var(--muted); }
.native-bottom { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1.1fr); align-items:start; gap:clamp(32px,5vw,80px); margin-top:40px; }
.native-example { border-top:1px solid var(--line); padding-top:20px; }
.native-example b { font-size:17px; font-weight:650; }
.native-example p { margin-top:10px; max-width:30em; font-size:15px; line-height:1.5; color:var(--muted); }
.native-bottom summary { min-height:64px; }
.apps h3 a { display:inline-flex; align-items:center; min-height:44px; text-underline-offset:5px; }
@media (max-width:900px) {
 .integrate-grid, .native-bottom { grid-template-columns:minmax(0,1fr); gap:28px; }
 .native-network { max-width:560px; }
 .native-bottom { margin-top:12px; }
}
@media (max-width:700px) {
 .native-network { grid-template-columns:minmax(0,1fr) 48px minmax(0,.8fr); }
 .native-app { padding:22px 10px; }
 .native-app b { font-size:13px; }
 .native-agents { gap:9px; }
 .native-agents .ava { --s:31px; }
 .native-peers .ava { --s:34px; }
 .native-peers > div::before { top:24px; width:calc(50% - 20px); }
 .native-peers > div > span:last-child { font-size:12px; }
}
.block { padding-block:clamp(64px,7.5vw,108px); border-top:1px solid var(--line); }
.block-head .kicker::before { display:none; }
.split-head { max-width:none; display:grid; grid-template-columns:minmax(0,1.3fr) minmax(0,1fr); gap:20px clamp(32px,6vw,96px); align-items:end; }
.split-head h2 { max-width:15em; }
.split-head .block-lede { margin-top:0; max-width:26em; }

details { border-top:1px solid var(--line); }
details:last-child { border-bottom:1px solid var(--line); }
details + details { border-top:0; }
summary { list-style:none; cursor:pointer; display:flex; justify-content:space-between; align-items:center; gap:16px; padding:15px 0; font-size:15px; font-weight:600; }
summary::-webkit-details-marker { display:none; }
summary::after { content:"+"; flex:none; width:28px; height:28px; display:grid; place-items:center; border-radius:50%; border:1px solid var(--line); color:var(--accent); font:500 18px/1 "Manrope",sans-serif; transition:transform .2s; }
details[open] summary::after { transform:rotate(45deg); }
.more-body { padding:0 0 20px; max-width:62em; font-size:14.5px; line-height:1.6; color:var(--muted); }
.more-body p + p { margin-top:10px; }
.more-body b { color:var(--ink); font-weight:650; }
.more { margin-top:clamp(40px,5vw,64px); max-width:860px; }

/* ---------- 01 team: three people, three places, one task ---------- */
.team { background:linear-gradient(var(--paper-2),var(--paper) 560px); }
.team-art { margin-top:clamp(36px,5vw,64px); }
.team-art img { display:block; width:100%; height:auto; }
.team-art figcaption { margin-top:clamp(18px,2.4vw,30px); }
.team-task { text-align:center; font:600 12px/1.3 var(--mono); letter-spacing:.07em; text-transform:uppercase; color:var(--muted); }
.team-talk { list-style:none; padding:0; margin-top:18px; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.team-msg { display:flex; flex-direction:column; align-items:center; gap:8px; }
.team-msg .line { max-width:100%; align-self:center; }
.team-where { font:500 12px/1.3 var(--mono); letter-spacing:.04em; color:var(--muted); }

/* ---------- 02 how ---------- */
.how-head + .routes { margin-top:clamp(36px,5vw,60px); }
.how-scenarios { margin-top:clamp(28px,4vw,44px); }
.how-switch { display:inline-flex; gap:4px; padding:4px; border:1px solid var(--line); border-radius:999px; background:var(--paper-2); }
.how-switch button { appearance:none; border:0; border-radius:999px; padding:11px 20px; min-height:44px; font:600 15px/1.4 "Manrope",sans-serif; color:var(--muted); background:transparent; cursor:pointer; }
.how-switch button:hover { color:var(--accent-ink); }
.how-switch button[aria-selected="true"] { color:var(--accent-ink); background:var(--card); }
.how-switch[hidden], .how-panel[hidden] { display:none; }
.how-switch:not([hidden]) ~ .how-panel .how-fallback-title { display:none; }
.how-panel { margin-top:22px; }
.how-panel > .block-lede { margin-top:0; max-width:38em; }
.how-fallback-title { margin-bottom:12px; }
.how-own { margin-top:32px; }
.how-switch:not([hidden]) ~ .how-own { margin-top:22px; }
/* The human's normal chats are separate from the agent-to-agent network. */
.team-routes, .own-routes { grid-template-columns:repeat(2,minmax(0,1fr)); }
.team-topology, .own-topology { position:relative; height:280px; margin-top:26px; }
.own-topology { height:340px; }
.topo-lines { position:absolute; inset:0; width:100%; height:100%; overflow:visible; }
.topo-lines path { fill:none; stroke-linecap:round; stroke-linejoin:round; vector-effect:non-scaling-stroke; }
.topo-normal { stroke:#C6BDB0; stroke-width:1.5; }
.topo-manual { stroke:#857B6B; stroke-width:2; stroke-dasharray:5 5; }
.topo-peer { stroke:var(--accent); stroke-width:2.5; }
.topo-person, .topo-agent, .own-user, .own-member { position:absolute; display:flex; flex-direction:column; align-items:center; text-align:center; gap:6px; transform:translate(-50%,-24px); width:100px; }
.topo-person, .topo-agent { top:19.64%; }
.topo-agent { top:76.43%; }
.topo-left { left:16.25%; }
.topo-right { left:83.75%; }
.topo-person .ava, .topo-agent .ava, .own-member .ava { --s:48px; }
.topo-person b, .topo-agent b, .own-member b, .own-user b { font-size:14px; font-weight:650; }
.topo-person b { position:absolute; bottom:calc(100% + 10px); white-space:nowrap; }
.own-routes .route-direct .own-user .ava { transform:scaleX(-1); }
.team-messenger { position:absolute; top:19.64%; left:50%; transform:translate(-50%,-50%); background:var(--paper); padding:6px 10px; border-radius:999px; font-size:12px; color:var(--muted); }
.route-direct .team-messenger { background:var(--card); }
.team-a4a, .own-a4a { position:absolute; top:76.43%; left:50%; transform:translate(-50%,-50%); background:var(--accent); color:#fff; padding:8px 12px; border-radius:999px; font:700 13px/1 var(--mono); }
.own-member-1 { left:50%; top:20%; }
.own-member-1 b { position:absolute; bottom:calc(100% + 24px); }
.own-member-1 small { position:absolute; bottom:calc(100% + 5px); }
.own-member-2 { left:14%; top:76.07%; }
.own-member-3 { left:86%; top:76.07%; }
.own-user { left:50%; top:45%; width:140px; }
.own-user .ava { --s:44px; }
.own-user small, .own-member small { font-size:12px; color:var(--muted); }
.own-members { position:absolute; inset:0; }
.own-a4a { top:76.07%; }
.own-requirements { margin-top:24px; }
.identity-future { background:var(--accent-soft); }
.verification-roadmap-link { display:inline-flex; align-items:center; min-height:44px; }
.identity-grid { display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.identity-status { display:inline-block; font-size:13px; color:var(--accent-ink); margin-bottom:22px; }
.identity-grid .text-link { display:inline-block; margin-top:16px; }
.identity-examples { display:grid; grid-template-columns:1fr 1fr; gap:32px; }
.identity-examples article { border-top:1px solid #AEB8EA; padding-top:24px; }
.identity-examples .ava { --s:56px; margin-bottom:16px; }
.identity-examples article > svg { display:block; width:56px; height:56px; margin-bottom:16px; fill:none; stroke:var(--accent); stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }
.identity-examples h3 { font-size:20px; font-weight:650; margin-bottom:8px; }
.identity-examples p { font-size:14px; color:var(--muted); }
.identity-evidence { grid-column:1/-1; border-top:1px solid #AEB8EA; padding-top:20px; }
.roadmap { max-width:1000px; padding-block:40px 80px; }
.roadmap > .text-link { display:inline-flex; min-height:44px; align-items:center; }
.roadmap h1 { margin-top:40px; font-size:clamp(34px,5vw,56px); letter-spacing:-.04em; }
.roadmap-intro { margin-top:24px; max-width:44em; font-size:20px; }
.roadmap-status { margin-top:20px; color:var(--muted); font-size:13px; }
.roadmap section { margin-block:64px; }
.roadmap h2 { font-size:clamp(26px,3vw,34px); margin-bottom:24px; }
.roadmap section > p + p { margin-top:16px; }
.roadmap p, .roadmap dd, .roadmap li { overflow-wrap:anywhere; }
.roadmap section > ul { padding-left:22px; margin-bottom:24px; }
.roadmap li + li { margin-top:8px; }
.roadmap-steps { margin:32px 0; }
.roadmap-steps > div { display:grid; grid-template-columns:1fr 1.7fr; gap:28px; padding:24px 0; border-top:1px solid var(--line); }
.roadmap-steps dt { font-weight:650; }
.roadmap-steps dt span { display:block; margin-bottom:8px; font-size:12px; font-weight:500; color:var(--accent-ink); }
.roadmap-steps dd { margin:0; color:var(--muted); }
@media (max-width:700px) {
 .identity-grid { grid-template-columns:1fr; gap:36px; }
 .identity-examples { gap:22px; }
 .roadmap-steps > div { grid-template-columns:1fr; gap:12px; }
}
@media (max-width:700px) {
 .team-routes, .own-routes { grid-template-columns:minmax(0,1fr); }
 .topo-person, .topo-agent, .own-member { width:88px; }
 .topo-person b, .topo-agent b, .own-member b { font-size:13px; }
 .team-messenger { padding-inline:6px; font-size:11px; }
}
.acks { list-style:none; padding:0; margin:4px 0 16px; display:flex; flex-wrap:wrap; gap:10px; }
.acks li { display:flex; flex-direction:column; gap:2px; padding:12px 16px; border:1px solid var(--line); border-radius:14px; background:var(--card); min-width:170px; }
.acks b { color:var(--ink); font-size:14px; }
.acks span { font-size:13px; }

/* ---------- 02 compare: growing scale of connection ---------- */
.scale { list-style:none; padding:0; margin-top:clamp(40px,5vw,64px); display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.proto { display:flex; flex-direction:column; border:1px solid var(--line); border-radius:24px; background:var(--card); padding:24px 24px 22px; }
.proto-top { display:flex; justify-content:space-between; align-items:baseline; gap:12px; }
.proto-name { font-size:26px; font-weight:750; letter-spacing:-.03em; }
.proto-q { font-size:13px; color:var(--muted); text-align:right; }
.proto-art { position:relative; margin:18px 0 16px; aspect-ratio:16/9; overflow:hidden; border-radius:18px; background:var(--paper-2); }
.scheme { position:absolute; inset:7% 5%; width:90%; height:86%; overflow:visible; }
.sc-wire, .sc-mesh, .sc-own { fill:none; stroke:#BDB2A1; stroke-width:2; stroke-linecap:round; }
.sc-mesh { stroke-dasharray:3 5; stroke-width:1.6; }
.sc-own { stroke-width:1.6; }
.sc-hi { fill:none; stroke:var(--accent); stroke-width:3.5; stroke-linecap:round; stroke-linejoin:round; }
.sc-plug { fill:#BDB2A1; }
.sc-agent { fill:var(--accent-soft); stroke:var(--accent); stroke-width:2; }
.sc-node { fill:var(--card); stroke:#A99E8D; stroke-width:1.8; }
.sc-tool { fill:var(--card); stroke:var(--line-strong); stroke-width:1.5; }
.sc-sys { fill:rgba(255,255,255,.45); stroke:#BDB2A1; stroke-width:1.5; stroke-dasharray:5 5; }
.sc-relay { fill:var(--ink); }
.sc-person { fill:#A99E8D; }
.sc-t { font:600 12.5px/1 "Manrope",sans-serif; fill:var(--muted); }
.sc-t-strong { fill:var(--accent-ink); font-weight:700; }
.sc-t-small { font-size:11px; fill:var(--accent-ink); }
.proto-like { font:600 12px/1.3 var(--mono); letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
.proto-text { margin-top:8px; font-size:16px; line-height:1.45; }
.proto-pair { margin-top:auto; padding-top:18px; display:flex; flex-wrap:wrap; align-items:center; gap:8px; font-size:13px; color:var(--muted); }
.proto-pair span { padding:5px 10px; border-radius:999px; background:var(--paper-2); }
.proto-pair i { font-style:normal; color:var(--soft); }
.proto-a4a { background:var(--accent-soft); color:var(--ink); border-color:#AEB8EA; box-shadow:none; }
.proto-a4a .proto-art { background:#F3F4FC; }
.proto-a4a .sc-mesh, .proto-a4a .sc-own { stroke:#A0A9D2; }
.proto-a4a .sc-hi { stroke:var(--accent); }
.proto-a4a .sc-node { fill:#F3F4FC; stroke:#8C98CD; }
.proto-a4a .sc-agent { fill:#D2D8FA; stroke:var(--accent); }
.proto-a4a .sc-relay { fill:var(--accent); }
.proto-a4a .sc-person { fill:#7B85B5; }
.proto-a4a .proto-name { color:var(--accent-ink); }
.proto-a4a .proto-q, .proto-a4a .proto-like { color:#454F80; }
.proto-a4a .proto-pair { color:#454F80; }
.proto-a4a .proto-pair span { background:#F3F4FC; }
.compare-foot { margin-top:clamp(36px,4vw,52px); display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:20px clamp(32px,6vw,96px); align-items:start; }
.compare-foot > p { font-size:16px; line-height:1.55; color:var(--muted); max-width:32em; }
.compare-foot > p b { color:var(--ink); }

/* ---------- 03 find ---------- */
.find-grid { margin-top:clamp(36px,5vw,64px); display:grid; grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr); gap:32px clamp(32px,5vw,72px); align-items:center; }
.find-art img { width:100%; height:auto; -webkit-mask-image:radial-gradient(ellipse 72% 70% at 50% 50%,#000 72%,transparent 100%); mask-image:radial-gradient(ellipse 72% 70% at 50% 50%,#000 72%,transparent 100%); }
.find-talk { display:flex; flex-direction:column; gap:16px; }
.ask { background:var(--card); border:1px solid var(--line); border-radius:20px; padding:20px 22px; box-shadow:0 24px 50px -42px rgba(28,27,34,.4); }
.ask-tag { display:flex; align-items:center; gap:8px; font:600 11.5px/1 var(--mono); letter-spacing:.06em; text-transform:uppercase; color:var(--accent); }
.ask-tag i { width:7px; height:7px; border-radius:50%; background:var(--accent); }
.ask-text { margin-top:12px; font-size:clamp(19px,1.6vw,23px); line-height:1.3; font-weight:600; letter-spacing:-.02em; }
.ask-meta { margin-top:10px; font-size:13px; color:var(--muted); }
.find-reply { max-width:92%; }
.find-note { font-size:14px; color:var(--muted); }
.route-note { text-align:center; text-wrap:balance; }

.steps { list-style:none; padding:0; margin-top:clamp(44px,5vw,72px); display:grid; gap:0; border-top:1px solid var(--line); }
.steps-4 { grid-template-columns:repeat(4,minmax(0,1fr)); }
.steps-3 { grid-template-columns:repeat(3,minmax(0,1fr)); }
.steps li { display:flex; flex-direction:column; gap:6px; padding:22px 24px 4px 0; position:relative; }
.steps li + li { padding-left:24px; border-left:1px solid var(--line); }
.step-n { font:600 12px/1 var(--mono); color:var(--accent); }
.steps b { margin-top:6px; font-size:19px; font-weight:650; letter-spacing:-.02em; }
.steps li > span:last-child { font-size:14.5px; color:var(--muted); line-height:1.5; }

.chips { list-style:none; padding:0; margin-top:clamp(36px,4vw,52px); display:flex; flex-wrap:wrap; gap:12px; }
.chips li { display:flex; flex-direction:column; gap:4px; padding:14px 18px; border:1px dashed var(--line-strong); border-radius:var(--radius-inner); font-size:15px; font-weight:500; }
.chips li span { font:600 11px/1.2 var(--mono); letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }

/* ---------- 04 company ---------- */
.company-grid { display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:40px clamp(40px,6vw,96px); align-items:center; }
.company-copy h2 { max-width:12em; }
.company-copy .block-lede { max-width:26em; }
.company-talk { margin-top:30px; max-width:420px; padding-top:0; }
.company-note { margin-top:12px; font-size:14px; color:var(--muted); }
.facts { list-style:none; padding:0; margin-top:28px; display:grid; gap:12px; }
.facts li { font-size:15px; line-height:1.5; color:var(--muted); padding-left:18px; position:relative; }
.facts li::before { content:""; position:absolute; left:0; top:.6em; width:7px; height:7px; border-radius:50%; background:var(--accent); }
.facts b { color:var(--ink); font-weight:650; }
.company .more { margin-top:32px; }
.company-art { position:relative; }
.store { position:relative; }
.store img:first-child { width:100%; height:auto; }
/* QR drawn over the blank placard by the door: big enough to read as a QR */
.store-qr { position:absolute; left:51.2%; top:31.6%; width:8.3%; height:auto; background:#fff; padding:.35%; border-radius:3px; transform:rotate(-1deg); box-shadow:0 0 0 1px rgba(0,0,0,.06); }
.qr-card { position:absolute; right:2%; bottom:-6%; display:flex; align-items:center; gap:14px; padding:14px 18px 14px 14px; background:var(--card); border:1px solid var(--line); border-radius:18px; box-shadow:0 26px 50px -30px rgba(28,27,34,.45); }
.qr-card img { width:76px; height:76px; }
.qr-card div { display:flex; flex-direction:column; gap:2px; }
.qr-card b { font-size:16px; }
.qr-card span { font-size:13.5px; color:var(--muted); }
.qr-card small { margin-top:4px; font:500 10.5px/1.2 var(--mono); letter-spacing:.04em; text-transform:uppercase; color:var(--warning); }

/* ---------- night ---------- */
.night { padding-block:0 clamp(64px,7.5vw,108px); }
.night-card { display:grid; grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); align-items:center; gap:24px clamp(24px,4vw,60px); background:var(--term-2); color:var(--term-ink); border-radius:28px; padding:clamp(28px,4vw,56px); overflow:hidden; }
.night .kicker { color:var(--term-muted); }
.night .kicker::before { background:var(--term-focus); }
.night h2 em { font-style:normal; color:var(--term-accent); }
.night-lede { margin-top:18px; font-size:clamp(17px,1.4vw,20px); color:var(--term-ink); }
.night-cond { margin-top:10px; font-size:14px; color:var(--term-muted); }
.night details { margin-top:22px; border-color:var(--term-border); }
.night summary { color:var(--term-ink); }
.night summary::after { border-color:var(--term-border); color:var(--term-accent); }
.night .more-body { color:var(--term-muted); }
.night-art img { width:100%; height:auto; -webkit-mask-image:radial-gradient(ellipse 70% 68% at 50% 50%,#000 70%,transparent 100%); mask-image:radial-gradient(ellipse 70% 68% at 50% 50%,#000 70%,transparent 100%); }

/* ---------- 05 control ---------- */
.pillars { list-style:none; padding:0; margin-top:clamp(40px,5vw,64px); display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
.pillars > li { display:flex; flex-direction:column; background:var(--card); border:1px solid var(--line); border-radius:var(--radius-card); padding:26px 24px 8px; }
.pillar-ico { width:52px; height:52px; border-radius:var(--radius-inner); background:var(--accent-soft); display:grid; place-items:center; }
.pillar-ico svg { width:30px; height:30px; fill:none; stroke:var(--accent-ink); stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.pillars h3 { margin-top:20px; font-size:21px; font-weight:650; letter-spacing:-.02em; }
.pillars p { margin-top:8px; font-size:15px; line-height:1.5; color:var(--muted); }
.pillars details { margin-top:auto; border-bottom:0; }
.pillars > li > p { margin-bottom:18px; }
.own { margin-top:clamp(48px,6vw,80px); padding-top:30px; border-top:1px solid var(--line); display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:20px clamp(32px,6vw,96px); }
.own-title { font-size:clamp(24px,2.4vw,34px); line-height:1.2; letter-spacing:-.03em; }
.own-title b { font-weight:650; }
.own-side > p { font-size:15.5px; line-height:1.55; color:var(--muted); margin-bottom:14px; }

/* ---------- 06 connect ---------- */
.start { background:linear-gradient(var(--paper-2),var(--paper) 520px); }
.start-cta { margin-top:34px; display:flex; flex-wrap:wrap; align-items:center; gap:12px 24px; }
.start-cta .copy-status { flex:1 1 100%; margin-top:0; color:var(--success); }
.start-cta .copy-fallback { flex:1 1 100%; background:var(--card); color:var(--ink); border-color:var(--line); }
.apps { margin-top:clamp(48px,6vw,72px); display:grid; grid-template-columns:1.6fr 1fr 1fr; gap:20px; }
.app-group { border:1px solid var(--line); border-radius:var(--radius-card); padding:22px 22px 24px; background:var(--card); }
.app-group h3 { font-size:17px; font-weight:650; }
.app-group p { margin-top:6px; font-size:13.5px; color:var(--muted); line-height:1.5; }
.app-group ul { list-style:none; padding:0; margin-top:16px; display:flex; flex-wrap:wrap; gap:8px; }
.app-group li { padding:8px 13px; border-radius:10px; background:var(--paper-2); font-size:14px; font-weight:600; }
.app-group-soon { background:transparent; border-style:dashed; border-color:var(--line-strong); }
.app-group-soon li { background:transparent; border:1px dashed var(--line-strong); color:var(--muted); }
.apps-note { margin-top:16px; font-size:14px; color:var(--muted); }

/* ---------- 07 community ---------- */
.ideas { list-style:none; padding:0; margin-top:clamp(40px,5vw,64px); display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); border-top:1px solid var(--line); }
.ideas li { padding:24px 24px 4px 0; }
.ideas li + li { padding-left:24px; border-left:1px solid var(--line); }
.ideas span { font:600 11.5px/1 var(--mono); letter-spacing:.06em; text-transform:uppercase; color:var(--accent); }
.ideas h3 { margin-top:14px; font-size:22px; font-weight:650; letter-spacing:-.025em; }
.ideas p { margin-top:8px; font-size:15px; color:var(--muted); line-height:1.5; }
.status-grid { margin-top:clamp(44px,5vw,64px); display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.status { border-radius:var(--radius-card); padding:24px 24px 14px; }
.status-done { background:var(--card); border:1px solid var(--line); }
.status-next { border:1.5px dashed var(--line-strong); }
.status-tag { font:600 11.5px/1 var(--mono); letter-spacing:.08em; text-transform:uppercase; color:var(--muted); }
.status p:not(.status-tag) { margin-top:12px; font-size:15.5px; line-height:1.55; }
.status .text-link { display:inline-block; margin-top:8px; }

/* ---------- faq ---------- */
.faq-grid { display:grid; grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr); gap:24px clamp(32px,6vw,96px); }
.faq-list summary { font-size:16.5px; padding:19px 0; }

/* ---------- final + footer ---------- */
.final { padding-block:0 clamp(80px,10vw,130px); }
.final-grid { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1fr); gap:20px; align-items:stretch; border-top:1px solid var(--line); padding-top:clamp(60px,7vw,96px); }
.final h2 { font-size:clamp(28px,3vw,44px); max-width:9em; }
.final-card { display:flex; flex-direction:column; gap:10px; background:var(--card); border:1px solid var(--line); border-radius:var(--radius-card); padding:24px; }
.final-card h3 { font-size:21px; font-weight:650; letter-spacing:-.02em; }
.final-card p:not(.status-tag) { font-size:15px; color:var(--muted); margin-bottom:12px; }
.final-card .btn { margin-top:auto; align-self:flex-start; }
.foot { border-top:1px solid var(--line); padding-block:28px 40px; font-size:14px; color:var(--muted); }
.foot-row { display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px 32px; align-items:center; }
.foot-mark b { color:var(--ink); font-size:18px; font-weight:800; letter-spacing:-.03em; margin-right:10px; }
.foot nav { display:flex; flex-wrap:wrap; gap:4px 24px; }
.foot nav a { text-decoration:none; padding-block:10px; }
.foot nav a:hover { color:var(--ink); }
.proto-foot { margin-top:18px; font-size:13px; }
.proto-foot b { color:var(--warning); font-weight:600; }
.proto-foot a { color:var(--accent-ink); display:inline-block; padding-block:4px; }

/* ---------- tablet ---------- */
@media (max-width:1100px) {
  .scale { grid-template-columns:1fr 1fr; }
  .proto-a4a { grid-column:1/-1; }
  .proto-a4a .proto-art { aspect-ratio:21/9; }
  .find-grid, .company-grid, .night-card { grid-template-columns:1fr; }
  .find-art { max-width:760px; }
  .company-art { max-width:760px; margin-bottom:40px; }
  .apps { grid-template-columns:1fr 1fr; }
  .apps .app-group:first-child { grid-column:1/-1; }
  .final-grid { grid-template-columns:1fr 1fr; }
  .final h2 { grid-column:1/-1; max-width:none; }
}
@media (max-width:900px) {
  #nav a:nth-child(3) { display:block; }
  .split-head, .compare-foot, .own, .faq-grid { grid-template-columns:1fr; }
  .split-head .block-lede { margin-top:4px; }
  .steps-4 { grid-template-columns:1fr 1fr; }
  .steps-4 li:nth-child(3) { padding-left:0; border-left:0; }
  .steps-4 li:nth-child(n+3) { border-top:1px solid var(--line); }
  .pillars { grid-template-columns:1fr; }
  .ideas { grid-template-columns:1fr; }
  .ideas li, .ideas li + li { padding:22px 0 18px; border-left:0; }
  .ideas li + li { border-top:1px solid var(--line); }
  .status-grid { grid-template-columns:1fr; }
}

/* ---------- phone ---------- */
@media (max-width:700px) {
  #nav a:nth-child(3) { display:block; }
  .block { padding-block:72px; }
  .team-art img { width:calc(100% + 2 * var(--pad)); max-width:none; margin-inline:calc(-1 * var(--pad)); }
  .team-talk { grid-template-columns:1fr; gap:12px; }
  .team-msg { align-items:flex-start; gap:6px; }
  .team-msg:nth-child(2) { align-items:flex-end; }
  .team-msg .line { max-width:88%; align-self:auto; }
  .scale { grid-template-columns:1fr; gap:14px; }
  .proto { padding:20px 18px 18px; border-radius:20px; }
  .proto-a4a .proto-art { aspect-ratio:16/9; }
  .proto-text { font-size:15.5px; }
  .find-art { margin-inline:calc(-1 * var(--pad)); }
  .steps-3 { grid-template-columns:1fr; }
  .steps-3 li, .steps-3 li + li { padding:18px 0 14px; border-left:0; }
  .steps-3 li + li { border-top:1px solid var(--line); }
  .steps-4 li { padding:18px 14px 12px 0; }
  .steps-4 li + li { padding-left:14px; }
  .steps-4 li:nth-child(3) { padding-left:0; }
  .steps b { font-size:17px; }
  .chips li { flex:1 1 100%; }
  .company-art { margin-inline:calc(-1 * var(--pad)); margin-bottom:56px; }
  .qr-card { right:var(--pad); bottom:-44px; padding:10px 14px 10px 10px; gap:10px; }
  .qr-card img { width:58px; height:58px; }
  .qr-card b { font-size:15px; }
  .night { padding-bottom:72px; }
  .night .wrap { padding-inline:10px; }
  .night-card { border-radius:var(--radius-card); padding:28px 18px 18px; }
  .night-art { margin-inline:-18px -18px; }
  .start-cta .btn { flex:1 1 100%; }
  .apps { grid-template-columns:1fr; }
  .apps .app-group:first-child { grid-column:auto; }
  .final-grid { grid-template-columns:1fr; }
  .faq-list summary { font-size:15.5px; }
  .foot-row { flex-direction:column; align-items:flex-start; }
  .say { font-size:16px; }
}
@media (max-width:360px) {
  .say { font-size:14.5px; }
}

/* compare diagrams: highlighted owners and the relay label */
.sc-person-hi { fill:var(--accent); }
.sc-t-net { font-size:10.5px; font-weight:600; fill:var(--muted); }
.proto-a4a .sc-person-hi { fill:var(--accent); }
.proto-a4a .sc-t-net { fill:#454F80; }

/* =====================================================================
   11.10 evening: visual upgrades (message path, control visuals, master,
   connect chat, growth line). Mobile rules at the bottom of this section.
   ===================================================================== */

/* ---------- 03: network — sealed envelope through relay nodes ---------- */
.relay { margin-top:clamp(36px,4vw,56px); display:grid; grid-template-columns:minmax(0,230px) minmax(0,1fr) minmax(0,230px); align-items:center; background:var(--paper-2); border-radius:24px; padding:clamp(22px,3vw,40px); }
.relay-end { position:relative; z-index:1; display:flex; flex-direction:column; align-items:center; text-align:center; gap:3px; background:var(--card); border:1px solid var(--line); border-radius:18px; padding:20px 14px 18px; box-shadow:0 18px 30px -26px rgba(28,27,34,.4); }
.relay-end .ava { margin-bottom:8px; box-shadow:none; }
.relay-end b { font-size:16px; font-weight:650; }
.relay-end small { font-size:13px; color:var(--muted); }
.relay-tag { margin-top:12px; display:inline-flex; align-items:center; gap:6px; font-size:12.5px; font-weight:600; line-height:1.2; color:var(--accent-ink); background:var(--accent-soft); border-radius:999px; padding:6px 11px 6px 9px; }
.relay-tag svg, .relay-env svg, .pub-card small svg { width:14px; height:14px; flex:none; fill:none; stroke:currentColor; stroke-width:1.9; stroke-linecap:round; }
.relay-tag-open { color:var(--success); background:var(--success-soft); }
.relay-wire { position:relative; height:190px; display:flex; justify-content:space-evenly; align-items:center; }
.relay-wire::before { content:""; position:absolute; left:0; right:0; top:50%; border-top:2px dashed #BDB2A1; }
.relay-node { position:relative; z-index:1; }
.relay-node i { width:54px; height:54px; border-radius:50%; background:var(--card); border:1px solid var(--line); display:grid; place-items:center; box-shadow:0 0 0 6px var(--paper-2); }
.relay-node svg { width:24px; height:24px; fill:none; stroke:#8C8496; stroke-width:1.7; stroke-linecap:round; }
.relay-node small { position:absolute; top:calc(100% + 10px); left:50%; transform:translateX(-50%); white-space:nowrap; font:600 10.5px/1 var(--mono); letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
.relay-see { position:absolute; top:6px; left:50%; transform:translateX(-50%); white-space:nowrap; font-size:12.5px; font-weight:600; color:var(--ink); background:var(--card); border:1px solid var(--line); border-radius:999px; padding:6px 12px; }
.relay-env { position:absolute; z-index:2; top:50%; left:0; width:36px; height:26px; margin-top:-13px; border-radius:6px; background:var(--accent); color:#fff; display:grid; place-items:center; box-shadow:0 6px 14px -6px rgba(53,72,214,.7); animation:relay-go 6s ease-in-out infinite; }
@keyframes relay-go { 0% { left:0; opacity:0; } 8%,88% { opacity:1; } 100% { left:calc(100% - 36px); opacity:0; } }
@keyframes relay-down { 0% { top:0; opacity:0; } 8%,88% { opacity:1; } 100% { top:calc(100% - 26px); opacity:0; } }
.relay-steps { list-style:none; padding:0; margin-top:30px; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; counter-reset:rs; }
.relay-steps li { counter-increment:rs; display:flex; flex-direction:column; gap:6px; }
.relay-steps li::before { content:counter(rs); width:30px; height:30px; border-radius:50%; display:grid; place-items:center; font:600 13px/1 var(--mono); color:var(--accent-ink); background:var(--accent-soft); margin-bottom:6px; }
.relay-steps b { font-size:17px; font-weight:650; letter-spacing:-.01em; }
.relay-steps span { font-size:14.5px; line-height:1.5; color:var(--muted); max-width:19em; }
.net .own { margin-top:clamp(44px,5vw,72px); }

/* control pillar 2: public announcement vs sealed letter */
.pub { width:100%; max-width:280px; display:grid; gap:10px; }
.pub-card { background:var(--card); border:1px solid var(--line); border-radius:var(--radius-control); padding:10px 12px; display:grid; gap:5px; box-shadow:0 14px 24px -22px rgba(28,27,34,.4); }
.pub-card span { font:600 10.5px/1 var(--mono); letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
.pub-card b { font-size:14px; font-weight:650; }
.pub-card small { display:flex; align-items:center; gap:5px; font-size:11.5px; font-weight:600; color:var(--success); }
.pub-sealed { background:linear-gradient(135deg,#EFE6D8,#E4D7C3); border-color:#D9CCB8; }
.pub-sealed i { display:block; height:8px; width:82%; border-radius:4px; background:#C9BAA2; filter:blur(2.5px); }
.pub-sealed i + i { width:60%; }
.pub-sealed small { color:var(--accent-ink); }

/* ---------- 06: control visuals ---------- */
.pillar-vis { height:224px; border-radius:var(--radius-inner); background:var(--paper-2); display:grid; place-items:center; padding:16px; }
.pass { width:100%; max-width:280px; background:var(--card); border:1px solid var(--line); border-radius:14px; padding:12px 14px; box-shadow:0 18px 30px -24px rgba(28,27,34,.35); }
.pass-head { display:flex; align-items:center; gap:10px; }
.pass .ava { --s:34px; box-shadow:none; transition:opacity .3s, filter .3s; }
.pass-who { flex:1; display:flex; flex-direction:column; line-height:1.25; }
.pass-who b { font-size:14px; }
.pass-who small { font-size:11.5px; color:var(--muted); }
.pass-state { font:600 10.5px/1 var(--mono); text-transform:uppercase; letter-spacing:.05em; color:var(--success); background:var(--success-soft); padding:5px 8px; border-radius:999px; }
.pass-list { list-style:none; padding:0; margin:10px 0 9px; display:grid; gap:4px; font-size:13px; line-height:1.35; transition:opacity .3s; }
.pass-list li { position:relative; padding-left:20px; }
.pass-list li::before { content:"✓"; position:absolute; left:2px; color:var(--success); font-weight:700; }
.pass-list li.pass-ask::before { content:"?"; color:var(--warning); }
.pass-revoke { font:600 12.5px/1 "Manrope",sans-serif; color:var(--danger); background:none; border:1px solid #E7C3BF; border-radius:999px; padding:0 12px; min-height:30px; cursor:pointer; }
.pass-revoke:hover { background:#FBEDEB; }
.pass.revoked .pass-list, .pass.revoked .ava { opacity:.35; filter:grayscale(1); }
.pass.revoked .pass-state { color:var(--danger); background:#F8E3E1; }
.pass.revoked .pass-revoke { color:var(--accent-ink); border-color:var(--line); }
.pass.revoked .pass-revoke:hover { background:var(--accent-soft); }

.env { width:100%; max-width:270px; }
.env-label { display:flex; align-items:center; justify-content:space-between; gap:10px; background:var(--card); border:1px solid var(--line); border-bottom:1px dashed var(--line-strong); border-radius:var(--radius-control) 12px 0 0; padding:10px 12px; }
.env-label span { font:600 10.5px/1 var(--mono); letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
.env-label b { font-size:13.5px; display:flex; align-items:center; gap:6px; }
.env-label b::before { content:""; width:7px; height:7px; border-radius:50%; background:var(--success-fill); }
.env-body { background:linear-gradient(135deg,#EFE6D8,#E4D7C3); border:1px solid #D9CCB8; border-top:0; border-radius:0 0 12px 12px; padding:16px 14px 14px; display:grid; gap:8px; }
.env-body i { display:block; height:8px; border-radius:4px; background:#C9BAA2; filter:blur(2.5px); }
.env-body i:nth-child(1) { width:88%; } .env-body i:nth-child(2) { width:66%; } .env-body i:nth-child(3) { width:78%; }
.env-seal { margin-top:6px; justify-self:start; display:flex; align-items:center; gap:6px; white-space:nowrap; font-size:11.5px; font-weight:600; color:var(--accent-ink); background:var(--card); border-radius:999px; padding:6px 11px 6px 9px; box-shadow:0 8px 16px -12px rgba(0,0,0,.45); }
.env-seal svg { width:15px; height:15px; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; }

.trail { list-style:none; padding:0; margin:0; width:100%; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); position:relative; }
.trail::before { content:""; position:absolute; top:14px; left:16%; right:16%; border-top:2px solid var(--line-strong); }
.trail li { position:relative; display:flex; flex-direction:column; align-items:center; text-align:center; gap:3px; }
.trail-dot { position:relative; z-index:1; width:28px; height:28px; border-radius:50%; background:var(--card); border:2px solid #BDB2A1; margin-bottom:8px; }
.trail-main .trail-dot { width:36px; height:36px; margin-top:-4px; border-color:var(--accent); background:var(--accent-soft); box-shadow:0 0 0 5px var(--paper-2); }
.trail b { font-size:13.5px; font-weight:650; }
.trail small { font-size:11.5px; color:var(--success); font-weight:600; }
.trail small i { font-style:normal; }

/* ---------- 05: craftsman ---------- */
.master-grid { margin-top:clamp(56px,6vw,96px); padding-top:clamp(40px,5vw,64px); border-top:1px solid var(--line); display:grid; grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr); gap:32px clamp(40px,6vw,96px); align-items:center; }
.master-art img { display:block; width:100%; height:auto; }
.master-title { font-size:clamp(24px,2.4vw,34px); line-height:1.15; font-weight:650; letter-spacing:-.035em; max-width:14em; }
.master-lede { margin-top:12px; font-size:clamp(16px,1.3vw,18px); line-height:1.5; color:var(--muted); }
.master-talk { margin-top:24px; max-width:440px; padding-top:0; }

/* ---------- 07: connect ---------- */
.start-grid { margin-top:clamp(36px,5vw,60px); display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:32px clamp(32px,5vw,72px); align-items:center; }
.start-art img { display:block; width:100%; max-width:460px; height:auto; }
.start .start-side .steps { margin-top:18px; grid-template-columns:1fr; }
.start .start-side .steps li, .start .start-side .steps li + li { padding:14px 0 12px; border-left:0; }
.start .start-side .steps li + li { border-top:1px solid var(--line); }
.start .start-side .steps b { margin-top:2px; }
.chat { background:var(--card); border:1px solid var(--line); border-radius:24px; box-shadow:0 30px 60px -44px rgba(28,27,34,.45); overflow:hidden; }
.chat-bar { display:flex; align-items:center; gap:10px; padding:14px 18px; border-bottom:1px solid var(--line); }
.chat-bar .ava { --s:34px; box-shadow:none; }
.chat-bar b { font-size:15px; }
.chat-bar small { margin-left:auto; font:600 10.5px/1 var(--mono); letter-spacing:.06em; text-transform:uppercase; color:var(--muted); }
.chat-body { padding:20px 18px 22px; display:flex; flex-direction:column; gap:10px; }
.chat .line { max-width:86%; }
.chat-file { align-self:flex-end; margin:-4px 4px 0 0; }

/* ---------- 08: growth line ---------- */
.grow { margin-top:clamp(44px,5vw,64px); display:grid; grid-template-columns:minmax(0,1fr) 76px minmax(0,1fr); align-items:stretch; }
.grow-col { border-radius:var(--radius-card); padding:24px 24px 12px; display:flex; flex-direction:column; }
.grow-done { background:var(--card); border:1px solid var(--line); }
.grow-next { border:1.5px dashed var(--line-strong); }
.grow .status-tag { display:flex; align-items:center; gap:8px; }
.grow .status-tag i { width:9px; height:9px; border-radius:50%; background:var(--success-fill); }
.grow-next .status-tag i { background:transparent; border:1.5px dashed var(--accent); }
.grow-chips { list-style:none; padding:0; margin:16px 0 10px; display:flex; flex-wrap:wrap; gap:8px; }
.grow-chips li { padding:7px 12px; border-radius:10px; font-size:14px; font-weight:600; }
.grow-done .grow-chips li { background:var(--paper-2); }
.grow-next .grow-chips li { border:1px dashed var(--line-strong); color:var(--muted); }
.grow-next .grow-chips li.grow-you { border:1.5px solid var(--accent); color:var(--accent-ink); background:var(--accent-soft); }
.grow .text-link { margin-top:auto; align-self:flex-start; }

@media (prefers-reduced-motion:reduce) { .relay-env { animation:none; left:calc(50% - 18px); } }

@media (max-width:1100px) {
  .master-grid { grid-template-columns:1fr; }
  .master-art { max-width:760px; }
  .start-grid { grid-template-columns:1fr; }
  .start-side { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:24px; align-items:center; }
  .chat { max-width:640px; }
  .relay { grid-template-columns:minmax(0,200px) minmax(0,1fr) minmax(0,200px); }
}
@media (max-width:900px) {
  .relay { grid-template-columns:minmax(0,1fr); justify-items:center; }
  .relay-end { width:100%; max-width:340px; }
  .relay-wire { width:100%; height:auto; flex-direction:column; justify-content:flex-start; gap:34px; padding:24px 0; }
  .relay-wire::before { left:50%; right:auto; top:0; bottom:0; border-top:0; border-left:2px dashed #BDB2A1; }
  .relay-see { position:relative; z-index:1; top:auto; left:auto; transform:none; white-space:normal; text-align:center; max-width:100%; }
  .relay-node small { top:50%; left:calc(100% + 12px); transform:translateY(-50%); }
  .relay-env { left:50%; margin:0 0 0 -18px; top:0; animation-name:relay-down; }
  .relay-steps { grid-template-columns:1fr 1fr; row-gap:26px; }
  .grow { grid-template-columns:1fr; }
}
@media (max-width:900px) and (prefers-reduced-motion:reduce) { .relay-env { left:50%; top:auto; bottom:2px; } }
@media (max-width:700px) {
  .relay { margin-inline:calc(-1 * var(--pad) / 2); padding:20px 14px; }
  .relay-steps { grid-template-columns:minmax(0,1fr); row-gap:18px; }
  .relay-steps li { display:grid; grid-template-columns:30px minmax(0,1fr); column-gap:14px; row-gap:2px; }
  .relay-steps li::before { grid-row:span 2; margin:0; }
  .pillar-vis { height:auto; min-height:180px; }
  .master-art { margin-inline:calc(-1 * var(--pad)); }
  .start-side { display:block; }
  .start-art { margin-inline:auto; max-width:340px; }
  .chat-body { padding:16px 12px 18px; }
  .chat .line { max-width:92%; }
  .pillars { grid-template-columns:minmax(0,1fr); }
  .pillars > li { min-width:0; }
}
@media (max-width:360px) {
  .pillars > li { padding-inline:16px; }
  .pillar-vis { padding:12px 10px; }
  .pass { padding:10px 11px; }
  .pass-head { flex-wrap:wrap; gap:8px; }
  .pass-who { min-width:0; }
  .env { min-width:0; }
  .env-label { gap:6px; padding:9px 10px; }
  .env-label b { font-size:12.5px; }
  .env-seal { white-space:normal; font-size:11px; }
}
/* ---------- 11.10 late: new illustrations (white-background PNGs) ---------- */
.on-white { mix-blend-mode:multiply; }
.friends-art, .meet-art, .store, .master-art { background:var(--paper); }
.friends { margin-top:clamp(56px,7vw,96px); padding-top:clamp(40px,5vw,64px); border-top:1px solid var(--line); display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); grid-template-areas:"art art" "intro talk"; gap:28px clamp(32px,6vw,96px); align-items:center; }
.friends-art { grid-area:art; }
.friends-intro { grid-area:intro; }
.friends-talk { grid-area:talk; }
.friends-art img { display:block; width:100%; height:auto; }
.friends-copy { margin-top:clamp(18px,2.4vw,28px); display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:20px clamp(32px,6vw,96px); align-items:center; }
.friends-title, .meet-title { font-size:clamp(24px,2.4vw,34px); line-height:1.15; font-weight:650; letter-spacing:-.035em; max-width:15em; }
.friends-lede, .meet-lede { margin-top:12px; font-size:clamp(16px,1.3vw,18px); line-height:1.5; color:var(--muted); max-width:26em; }
.friends-talk { max-width:460px; padding-top:0; }
.friends-talk .line > span { font-size:12px; }
.meet { margin-top:clamp(48px,6vw,88px); padding-top:clamp(40px,5vw,64px); border-top:1px solid var(--line); display:grid; grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr); gap:28px clamp(40px,6vw,96px); align-items:center; }
.meet-art img { display:block; width:100%; height:auto; }
@media (max-width:900px) {
  .friends { grid-template-columns:minmax(0,1fr); grid-template-areas:"intro" "art" "talk"; gap:24px; }
  .meet { grid-template-columns:minmax(0,1fr); }
  .meet-art { max-width:640px; }
}
@media (max-width:700px) {
  .friends-art { margin:0; width:100%; max-width:440px; justify-self:center; }
  .friends-talk { width:100%; max-width:460px; }
  .friends-talk .line { max-width:94%; }
  .meet-art { margin-inline:calc(-1 * var(--pad)); }
}

/* ---------- 11.10 evening: white sealed letter, consent, features, reviews ---------- */
/* 03: the letter travels as a white envelope with a lock badge (owner: "агенты обмениваются письмами") */
.relay-env { width:46px; height:32px; margin-top:-16px; border-radius:0; background:none; color:inherit; box-shadow:none; filter:drop-shadow(0 6px 10px rgba(28,27,34,.22)); }
.relay-env svg.env-paper { width:46px; height:32px; fill:#FFFFFF; stroke:#B9AE9C; stroke-width:1.6; stroke-linejoin:round; }
.relay-env .env-lock { position:absolute; right:-7px; bottom:-7px; width:22px; height:22px; border-radius:50%; background:var(--accent); display:grid; place-items:center; box-shadow:0 0 0 2px #fff; }
.relay-env .env-lock svg { width:13px; height:13px; fill:none; stroke:#fff; stroke-width:2.1; stroke-linecap:round; }
@keyframes relay-go { 0% { left:0; opacity:0; } 8%,88% { opacity:1; } 100% { left:calc(100% - 46px); opacity:0; } }
@keyframes relay-down { 0% { top:0; opacity:0; } 8%,88% { opacity:1; } 100% { top:calc(100% - 32px); opacity:0; } }
@media (prefers-reduced-motion:reduce) { .relay-env { left:calc(50% - 23px); } }
@media (max-width:900px) { .relay-env { margin:0 0 0 -23px; } }

/* 04 pillar 3: connection request */
.knock { width:100%; max-width:280px; background:var(--card); border:1px solid var(--line); border-radius:14px; padding:12px 14px; box-shadow:0 18px 30px -24px rgba(28,27,34,.35); display:grid; gap:10px; }
.knock-head { display:flex; align-items:center; gap:10px; }
.knock .ava { --s:34px; box-shadow:none; }
.knock-who { display:flex; flex-direction:column; line-height:1.25; min-width:0; }
.knock-who b { font-size:14px; }
.knock-who small { font-size:11.5px; color:var(--muted); }
.knock-intro { margin:0; font-size:13px; line-height:1.4; color:var(--ink); background:var(--paper-2); border-radius:10px; padding:8px 10px; }
.knock-actions { display:flex; gap:8px; }
.knock-actions span { flex:1; text-align:center; font-size:12.5px; font-weight:600; border-radius:999px; padding:7px 10px; }
.knock-yes { color:#fff; background:var(--accent); }
.knock-no { color:var(--muted); border:1px solid var(--line); }

/* 05: features grid */
.feat-grid { list-style:none; padding:0; margin-top:clamp(36px,4vw,56px); display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:20px 24px; }
.feat-showcase { background:var(--card); border:1px solid var(--line); border-radius:20px; padding:24px; display:grid; grid-template-columns:28px minmax(0,1fr); column-gap:12px; row-gap:12px; align-content:start; }
.feat-ico { width:28px; height:28px; display:grid; place-items:center; flex:none; }
.feat-ico svg { width:24px; height:24px; fill:none; stroke:var(--accent-ink); stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.feat-grid h3 { margin:0; font-size:18px; font-weight:650; letter-spacing:-.01em; line-height:1.35; }
.feat-grid p { margin:0; font-size:15.5px; line-height:1.5; color:var(--muted); }
.feat-showcase > p { grid-column:1 / -1; max-width:32em; }
.feat-more { align-self:start; }
/* File and delivery diagrams share one stroke, direct paths and readable labels. */
.file-proof { grid-column:1/-1; margin-top:12px; padding-top:20px; border-top:1px solid var(--line); }
.file-lane { display:grid; grid-template-columns:minmax(0,1fr) 32px minmax(0,1fr); gap:8px; align-items:center; }
.file-object { display:grid; justify-items:center; align-content:center; gap:4px; text-align:center; min-width:0; }
.file-object svg { width:48px; height:48px; fill:none; stroke:var(--accent-ink); stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round; }
.file-object b { font:600 13px/1.35 "Manrope",sans-serif; color:var(--ink); }
.file-object small { font:400 12px/1.35 "Manrope",sans-serif; color:var(--muted); }
.file-object .ava { --s:42px; box-shadow:none; margin-block:3px; }
.file-wire { width:32px; height:32px; fill:none; stroke:var(--accent); stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }
.file-proof .file-channel { text-align:center; margin:20px 0 12px; padding-top:16px; border-top:1px solid var(--line); font-size:13px; line-height:1.4; color:var(--accent-ink); }
.nodes-proof { grid-column:1/-1; display:grid; grid-template-columns:52px minmax(0,1fr) 52px; align-items:center; gap:14px; margin-top:16px; min-height:220px; }
.nodes-proof > .ava { --s:48px; box-shadow:none; position:relative; }
.nodes-proof > .ava:first-child::after, .nodes-proof > .ava:last-child::before { content:""; position:absolute; top:50%; width:20px; border-top:1.5px solid var(--accent); }
.nodes-proof > .ava:first-child::after { left:100%; }
.nodes-proof > .ava:last-child::before { right:100%; }
.nodes-paths { display:grid; gap:14px; position:relative; padding:0 12px; }
.nodes-paths::before, .nodes-paths::after { content:""; position:absolute; top:21px; bottom:21px; width:0; border-left:1.5px solid var(--accent); }
.nodes-paths::before { left:0; }
.nodes-paths::after { right:0; }
.nodes-paths span { position:relative; display:grid; place-items:center; min-height:42px; padding:6px 4px; border:1px solid var(--accent); border-radius:10px; background:var(--accent-soft); color:var(--accent-ink); text-align:center; font:600 13px/1.35 "Manrope",sans-serif; }
.nodes-paths span::before, .nodes-paths span::after { content:""; position:absolute; top:50%; width:12px; border-top:1.5px solid var(--accent); }
.nodes-paths span::before { right:100%; }
.nodes-paths span::after { left:100%; }
.nodes-paths .node-off { background:var(--paper); color:var(--muted); border-color:var(--line-strong); border-style:dashed; text-decoration:line-through; }
.nodes-paths .node-off::before, .nodes-paths .node-off::after { border-color:var(--line-strong); border-top-style:dashed; }
.feat-more { display:grid; grid-template-columns:28px minmax(0,1fr); gap:8px 12px; padding:20px 0; border-bottom:1px solid var(--line); }
.feat-more h3, .feat-more > p { grid-column:2; }
.feat-more > p { padding:0; font-size:15px; line-height:1.5; }
.feats .more { margin-top:clamp(20px,2.4vw,32px); }

/* 08: reviews */
.reviews { background:linear-gradient(var(--paper-2),var(--paper) 560px); }
.review-proof { list-style:none; padding:0; margin-top:clamp(32px,4vw,48px); display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); max-width:720px; }
.review-proof li { position:relative; display:grid; justify-items:center; gap:6px; text-align:center; padding:0 8px; }
.review-proof li:not(:last-child)::after { content:""; position:absolute; top:23px; left:calc(50% + 32px); right:calc(-50% + 32px); border-top:1.5px solid var(--line); }
.review-proof svg { width:46px; height:46px; padding:9px; border-radius:50%; background:var(--accent-soft); stroke:var(--accent-ink); stroke-width:1.5; fill:none; stroke-linecap:round; stroke-linejoin:round; }
.review-proof b { font-size:14px; font-weight:650; }
.review-proof span { font-size:12px; color:var(--muted); }
.rep-grid { margin-top:clamp(28px,3.5vw,44px); display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:28px clamp(40px,6vw,96px); align-items:center; }
.rep-card { width:100%; max-width:440px; justify-self:center; background:var(--card); border:1px solid var(--line); border-radius:var(--radius-card); padding:20px 22px; box-shadow:0 30px 60px -44px rgba(28,27,34,.45); display:grid; gap:14px; }
.rep-head { display:flex; align-items:center; gap:12px; }
.rep-head .ava { --s:42px; box-shadow:none; }
.rep-who { display:flex; flex-direction:column; line-height:1.25; min-width:0; }
.rep-who b { font-size:16px; }
.rep-who small { font-size:12.5px; color:var(--muted); }
.rep-done { display:grid; gap:7px; font-size:14px; }
.rep-done b { font-weight:700; }
.rep-bar { display:block; height:8px; border-radius:999px; background:var(--paper-2); overflow:hidden; }
.rep-bar i { display:block; height:100%; border-radius:inherit; background:var(--success-fill); }
.rep-count { margin:0; font-size:14px; color:var(--muted); }
.rep-count b { color:var(--ink); }
.rep-list { list-style:none; padding:0; margin:0; display:grid; gap:0; }
.rep-list li { border-top:1px solid var(--line); padding:14px 0; display:grid; grid-template-columns:minmax(0,1fr); gap:6px; align-items:baseline; }
.rep-stars { font-size:13px; letter-spacing:1px; color:var(--rating); }
.rep-stars s { text-decoration:none; color:#D9D2C6; }
.rep-list q { font-size:15px; line-height:1.4; quotes:none; }
.rep-list small { grid-column:1 / -1; display:inline-flex; align-items:center; gap:6px; font-size:12px; font-weight:600; }
.rep-ok { color:var(--success); }
.rep-ok::before { content:"✓"; font-weight:700; }
.rep-no { color:var(--danger); }
.rep-no::before { content:"✕"; font-weight:700; }
.rep-void { border-top-style:dashed !important; }
.rep-void q { color:var(--muted); text-decoration:line-through; text-decoration-color:rgba(179,38,30,.5); }
.rep-void .rep-stars s { color:#D9D2C6; }
.rep-points { list-style:none; padding:0; margin:0; display:grid; gap:0; }
.rep-points li { min-width:0; }
.rep-points details:last-child { border-bottom:0; }
.rep-points summary { min-height:64px; gap:14px; }
.rep-points b { font-size:18px; font-weight:650; letter-spacing:-.01em; }
.rep-points p { padding-bottom:20px; font-size:15.5px; line-height:1.5; color:var(--muted); max-width:30em; }
.reviews .more { margin-top:clamp(28px,3vw,44px); }

@media (max-width:1100px) { .feat-grid { gap:20px; } }
@media (max-width:900px) { .rep-grid { grid-template-columns:minmax(0,1fr); } .rep-card { justify-self:start; } }
@media (max-width:700px) {
  .feat-grid { grid-template-columns:minmax(0,1fr); gap:16px; }
  .feat-showcase { padding:20px 18px; }
  .feat-showcase > p { font-size:15px; }
  .feat-more p { font-size:15px; }
  .nodes-proof { grid-template-columns:44px minmax(0,1fr) 44px; gap:8px; }
  .nodes-proof > .ava { --s:42px; }
  .review-proof { margin-top:28px; }
  .rep-card { padding:16px 14px; }
}
@media (max-width:360px) {
  .knock { padding:10px 11px; }
  .rep-list li { grid-template-columns:minmax(0,1fr); }
}

/* Soften only the image perimeter; the central agents remain fully opaque. */
.friends-art .on-white, .meet-art .on-white, .store .on-white, .master-art .on-white { mix-blend-mode:darken; }
.friends-art img, .meet-art img, .store > .on-white, .master-art > .on-white {
 -webkit-mask-image:linear-gradient(to right,transparent,#000 5%,#000 95%,transparent),linear-gradient(to bottom,transparent,#000 6%,#000 94%,transparent);
 -webkit-mask-composite:source-in;
 mask-image:linear-gradient(to right,transparent,#000 5%,#000 95%,transparent),linear-gradient(to bottom,transparent,#000 6%,#000 94%,transparent);
 mask-composite:intersect;
}

/* Coherent secondary surfaces; keep the approved first screens unchanged. */
.proto-pair i { color:var(--muted); }
.rep-head .ava { transform:scaleX(-1); }
.rep-card, .chat { border-radius:var(--radius-card); box-shadow:none; }
.rep-stars s, .rep-void .rep-stars s { color:var(--muted); }
.grow { grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
.grow-chips { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px 20px; margin-block:20px; }
.grow-chips li, .grow-next .grow-chips li, .grow-next .grow-chips li.grow-you { padding:0; border:0; border-radius:0; background:none; font-size:14px; font-weight:500; line-height:1.4; }
.grow-next .grow-chips li.grow-you { font-weight:600; }
.ideas h3 { margin-top:0; font-size:21px; }
.night .kicker { display:none; }
@media (max-width:900px) { .grow { grid-template-columns:minmax(0,1fr); } }
@media (max-width:700px) {
 .nodes-proof > .ava:first-child::after, .nodes-proof > .ava:last-child::before { width:10px; }
 .grow-col { padding:20px; }
 .grow-chips { grid-template-columns:minmax(0,1fr); gap:8px; }
}

/* The alpha is baked into these working assets. Avoid a second fade or colour blend. */
.friends-art img.alpha-scene, .meet-art img.alpha-scene, .store > img.alpha-scene, .master-art > img.alpha-scene {
 -webkit-mask-image:none;
 mask-image:none;
 mix-blend-mode:normal;
}