/* Human Thread: one thought, one choice, one conversation. */
.product-marketing .marketing-header { max-width:1500px; padding-block:20px; }
.product-marketing .marketing-header nav .quiet-link { display:inline-flex; font-size:12px; }
.product-hero { max-width:1500px; margin:auto; padding:42px 5% 62px; display:grid; grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr); gap:5%; align-items:start; }
.product-intro { align-self:center; }
.product-intro .eyebrow { font-size:10px; letter-spacing:.12em; margin-bottom:23px; }
.product-intro h1 { font-size:clamp(44px,4.2vw,64px); font-weight:520; line-height:1.06; letter-spacing:-.045em; }
.product-intro h1 em { font-family:Instrument,Georgia,serif; font-weight:400; font-style:normal; color:var(--accent); font-size:1.12em; }
.product-lead { color:var(--muted); font-size:16px; line-height:1.8; max-width:340px; margin:24px 0 27px; }
.product-intro>.button { font-size:13px; }
.product-invitation { font-size:11px; color:var(--muted); margin-top:14px; }
.product-human-note { display:flex; gap:14px; align-items:center; margin-top:48px; color:var(--muted); font-size:12px; line-height:1.65; }
.product-human-note .brand-mark { width:35px; height:35px; color:var(--accent); }
.conversation-demo { color-scheme:light; --ink:#2b315b; --paper:#fff7e9; --surface:#fffcf5; --muted:#676379; --accent:#b83f2e; --soft:#f5e9dc; --line:#2b315b26; color:var(--ink); border:1px solid var(--line); border-radius:20px; background:var(--paper); box-shadow:0 18px 60px #2b315b0c,0 2px 6px #2b315b05; min-width:0; scroll-margin-block:18px; container-type:inline-size; }
.demo-window-header { padding:17px 22px; display:flex; flex-wrap:wrap; justify-content:space-between; align-items:center; gap:8px 12px; border-bottom:1px solid var(--line); }
.demo-window-symbol { display:flex; gap:9px; align-items:center; font-size:13px; }
.demo-window-symbol b { font-weight:550; }
.demo-window-symbol .icon { color:var(--accent); width:19px; }
.demo-window-header>span:last-child { font-size:10px; color:var(--muted); }
.demo-progress { margin:0; padding:21px 24px 20px; list-style:none; display:flex; align-items:center; justify-content:center; gap:14px; }
.demo-progress li { display:flex; align-items:center; gap:8px; color:var(--muted); font-size:11px; white-space:nowrap; transition:color 180ms ease; }
.demo-progress li+li::before { content:""; width:22px; height:1px; background:var(--line); margin-right:4px; }
.demo-progress li>span { display:grid; place-items:center; border-radius:50%; width:25px; height:25px; flex-shrink:0; background:var(--soft); transition:background-color 180ms ease,color 180ms ease; }
.demo-progress li[aria-current] { color:var(--ink); font-weight:600; }
.demo-progress li[aria-current]>span { background:var(--ink); color:var(--paper); }
.demo-workspace { padding:0 22px 22px; display:grid; grid-template-columns:minmax(125px,.48fr) minmax(0,1fr); gap:16px; align-items:start; }
.demo-private { overflow:hidden; display:flex; flex-direction:column; gap:13px; border-radius:12px; background:#f0dde4; color:var(--ink); padding:20px 17px; }
.demo-private>.icon { width:17px; height:17px; color:#746177; flex-shrink:0; }
.demo-label { display:block; font-size:9px; letter-spacing:.085em; line-height:1.6; color:var(--muted); }
.demo-private-quote { font-family:Instrument,Georgia,serif; font-size:28px; line-height:1.13; letter-spacing:-.01em; margin:14px 0 17px; }
.demo-micro { display:block; font-size:10px; line-height:1.55; color:#62566b; }
.demo-private-hidden { font-size:13px; line-height:1.6; margin:10px 0; }
.demo-stage { min-width:0; border:1px solid var(--line); border-radius:12px; padding:23px; background:var(--surface); overflow-wrap:anywhere; }
.demo-stage-heading h2 { font-family:DM,Arial,sans-serif; font-size:24px; font-weight:520; letter-spacing:-.035em; line-height:1.18; margin:10px 0 19px; }
.demo-stage[data-mode=clarify] .demo-stage-heading>.demo-label { color:var(--accent); }
.demo-prompt { color:var(--muted); font-size:13px; line-height:1.65; margin:0 0 17px; }
.demo-options { display:grid; gap:8px; }
.demo-option { display:flex; align-items:center; justify-content:space-between; gap:8px; text-align:left; padding:12px 13px; border:1px solid var(--line); background:var(--surface); color:var(--ink); border-radius:8px; min-height:46px; font-size:12px; font-weight:450; cursor:pointer; transition:background-color 180ms ease,color 180ms ease,border-color 180ms ease,transform 180ms cubic-bezier(.22,1,.36,1); }
.demo-option .icon { width:15px; height:15px; opacity:0; transform:scale(.8); transition:opacity 180ms ease,transform 180ms ease; flex-shrink:0; }
.demo-option[aria-pressed=true] { background:var(--ink); color:var(--paper); border-color:var(--ink); transform:translateX(2px); }
.demo-option[aria-pressed=true] .icon { opacity:1; transform:scale(1); }
.demo-option:hover { border-color:#76768e; }
.demo-helper { color:var(--muted); font-size:11px; line-height:1.65; margin:14px 0 0; }
.demo-actions { display:flex; flex-wrap:wrap; align-items:center; gap:7px 17px; margin-top:21px; }
.conversation-demo .button { font-size:12px; padding:12px 16px; min-height:46px; gap:10px; line-height:1.4; white-space:normal; text-align:left; background:var(--ink); color:var(--paper); }
.conversation-demo .button:hover:not(:disabled) { background:#414971; color:var(--paper); }
.conversation-demo .button:disabled { opacity:.38; cursor:not-allowed; }
.conversation-demo .quiet-link { font-size:11px; min-height:44px; padding-block:8px; color:var(--muted); gap:6px; }
.conversation-demo .quiet-link:hover { color:var(--accent); }
.demo-secondary { margin-top:5px; }
.demo-intent { display:flex; align-items:center; gap:6px; border-bottom:1px solid var(--line); padding-bottom:10px; margin-top:-5px; margin-bottom:19px; color:var(--muted); font-size:10px; }
.demo-intent>.icon { width:14px; color:var(--accent); }
.demo-intent>.quiet-link { margin-left:auto; min-height:44px; padding-block:8px; }
.demo-message { background:var(--paper); border:1px solid var(--line); border-radius:9px; padding:16px 17px; margin:12px 0 16px; transform-origin:top left; }
.demo-message p { margin:0; font-size:16px; line-height:1.6; letter-spacing:-.015em; white-space:pre-wrap; overflow-wrap:anywhere; }
.demo-person { display:flex; gap:9px; align-items:center; font-size:11px; color:var(--muted); }
.demo-person .avatar { height:28px; width:28px; font-size:12px; background:#e8ccd8; color:var(--ink); flex-shrink:0; }
.demo-excluded { display:flex; gap:7px; align-items:flex-start; font-size:10px; line-height:1.6; color:var(--muted); margin:0; }
.demo-excluded .icon { width:14px; height:14px; margin-top:1px; flex-shrink:0; }
.demo-check { display:flex; gap:9px; align-items:flex-start; padding:12px 0 0; min-height:44px; font-size:12px; line-height:1.6; cursor:pointer; }
.demo-check input { margin-top:2px; accent-color:var(--accent); width:17px; height:17px; flex-shrink:0; }
.demo-field { margin:0 0 15px; }
.demo-field>span { font-size:12px; }
.demo-field textarea { background:var(--paper); color:var(--ink); border-color:var(--line); font-size:16px; line-height:1.6; padding:12px; margin-top:8px; }
.demo-error { font-size:12px; color:var(--accent); margin-top:10px; }
.demo-kept { padding:12px 0; color:var(--muted); font-size:14px; line-height:1.8; }
.demo-kept>.icon { color:var(--accent); margin-bottom:8px; }
.demo-source { border-bottom:1px solid var(--line); padding-bottom:15px; margin-bottom:18px; font-size:11px; color:var(--muted); }
.demo-source summary { min-height:44px; display:list-item; align-content:center; cursor:pointer; }
.demo-source p { font-size:12px; line-height:1.7; white-space:pre-wrap; overflow-wrap:anywhere; }
.demo-source p>b { display:block; color:var(--ink); margin-top:10px; }
.demo-open { border-top:1px solid var(--line); margin-top:18px; padding-top:15px; }
.demo-open p { font-size:13px; line-height:1.65; margin:7px 0 0; white-space:pre-wrap; }
.demo-people { display:flex; flex-wrap:wrap; gap:8px 18px; font-size:11px; }
.demo-people>span { display:flex; gap:6px; align-items:center; }
.demo-people .icon { width:15px; color:var(--accent); }
.demo-stage[data-mode=complete] .demo-message { background:#f7e8ba; }
.demo-window-footer { display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:4px 10px; border-top:1px solid var(--line); padding:6px 22px; font-size:10px; color:var(--muted); }
.demo-window-footer .icon { width:13px; height:13px; }
.demo-disclosure { margin:0; padding:11px 22px 13px; border-top:1px solid var(--line); font-size:10px; color:var(--muted); line-height:1.6; background:#f5e9dc80; border-radius:0 0 20px 20px; }
.product-how { display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:8%; padding:62px max(5%,calc((100vw - 1350px)/2)); background:var(--soft); }
.product-context-photo { aspect-ratio:3/2; border-radius:14px; }
.product-context-photo img { object-position:50% 50%; }
.product-context>p { margin:13px 0 0; font-size:11px; color:var(--muted); }
.product-how-copy .eyebrow { font-size:9px; margin-bottom:17px; }
.product-how-copy h2 { font-size:37px; line-height:1.1; letter-spacing:-.035em; }
.product-how-copy h2 em { font-family:Instrument,Georgia,serif; font-weight:400; font-style:normal; font-size:1.15em; color:var(--accent); }
.product-moments { list-style:none; margin:27px 0 0; padding:0; display:grid; gap:15px; }
.product-moments li { display:flex; gap:18px; border-top:1px solid var(--line); padding-top:16px; }
.product-moments li>span { font-size:10px; color:var(--accent); padding-top:5px; }
.product-moments h3 { font-size:18px; letter-spacing:-.02em; }
.product-moments p { font-size:13px; color:var(--muted); line-height:1.7; margin:6px 0 0; }
.product-moments .quiet-link { font-size:11px; min-height:44px; }
.product-moments .icon { width:15px; height:15px; }
.product-questions { max-width:1150px; margin:auto; padding:65px 5%; display:grid; grid-template-columns:.8fr 1.2fr; gap:9%; }
.product-questions .eyebrow { font-size:9px; margin-bottom:18px; }
.product-questions h2 { font-size:32px; line-height:1.14; letter-spacing:-.025em; }
.product-answers details { border-bottom:1px solid var(--line); }
.product-answers summary { display:flex; justify-content:space-between; gap:16px; align-items:center; padding:18px 0; min-height:55px; font-size:14px; cursor:pointer; list-style:none; }
.product-answers summary::-webkit-details-marker { display:none; }
.product-answers summary .icon { width:16px; height:16px; color:var(--muted); flex-shrink:0; transition:transform 180ms ease; }
.product-answers details[open] summary .icon { transform:rotate(90deg); }
.product-answers details p { font-size:13px; color:var(--muted); line-height:1.8; margin:0 0 20px; }
.product-close { max-width:1350px; margin:0 auto; padding:26px 5% 46px; display:flex; justify-content:center; gap:30px; align-items:center; flex-wrap:wrap; }
.product-close>p { font-family:Instrument,Georgia,serif; font-size:31px; margin:0; }
.product-close .button { font-size:12px; }
.product-marketing .marketing-footer { border-top:1px solid var(--line); max-width:1500px; padding-block:24px; }
.product-marketing .marketing-footer>div { display:flex; flex-wrap:wrap; gap:8px 22px; }
.product-marketing .marketing-footer .quiet-link { font-size:11px; min-height:44px; }
@container(max-width:620px) {
 .demo-workspace { grid-template-columns:1fr; gap:13px; }
 .demo-private { flex-direction:row; padding:15px 18px; gap:11px; }
 .demo-private>.icon { margin-top:1px; }
 .demo-private-quote { font-family:DM,Arial,sans-serif; font-size:16px; line-height:1.5; margin:7px 0 4px; }
 .demo-private-hidden { margin:5px 0 0; }
 .demo-private .demo-micro { font-size:10px; }
 .demo-workspace[data-shared=true] .demo-private>div { display:flex; flex-wrap:wrap; gap:3px 10px; align-items:center; }
 .demo-workspace[data-shared=true] .demo-private-hidden { margin:0; font-size:11px; }
 .demo-workspace[data-shared=true] .demo-private .demo-micro { width:100%; }
 .demo-stage-heading h2 { font-size:24px; }
}
@media(max-width:1100px) {
 .product-hero { grid-template-columns:minmax(0,.7fr) minmax(0,1.1fr); gap:5%; padding-top:32px; }
 .product-intro h1 { font-size:45px; }
 .product-lead { font-size:15px; }
 .product-how { gap:6%; }
 .product-how-copy h2 { font-size:32px; }
}
@media(max-width:760px) {
 .product-marketing .marketing-header { padding:14px 6%; }
 .product-marketing .marketing-header .brand { font-size:20px; }
 .product-marketing .marketing-header nav .quiet-link:first-child { display:none; }
 .product-marketing .marketing-header nav .quiet-link:last-child { font-size:11px; }
 .product-hero { grid-template-columns:1fr; gap:28px; padding:28px 6% 34px; }
 .product-intro .eyebrow { font-size:9px; margin-bottom:16px; }
 .product-intro h1 { font-size:clamp(39px,9.6vw,58px); }
 .product-lead { font-size:14px; margin:18px 0 20px; max-width:460px; }
 .product-intro>.button { min-height:46px; font-size:12px; }
 .product-invitation { margin-top:12px; font-size:10px; }
 .product-human-note { display:none; }
 .conversation-demo { border-radius:15px; scroll-margin-top:12px; }
 .demo-window-header { padding:14px 16px; }
 .demo-window-header>span:last-child { font-size:9px; }
 .demo-window-symbol { font-size:12px; }
 .demo-progress { padding:18px 12px; gap:8px; }
 .demo-progress li { font-size:10px; gap:6px; }
 .demo-progress li+li::before { width:11px; margin-right:0; }
 .demo-progress li>span { width:22px; height:22px; }
 .demo-workspace { padding:0 14px 16px; gap:12px; }
 .demo-private { padding:14px; }
 .demo-stage { padding:19px; }
 .demo-stage-heading h2 { font-size:23px; }
 .demo-message p { font-size:16px; }
 .demo-window-footer { padding-inline:16px; }
 .demo-disclosure { padding:10px 16px 12px; border-radius:0 0 15px 15px; }
 .product-how { grid-template-columns:1fr; padding:34px 6%; gap:29px; }
 .product-how-copy h2 { font-size:35px; }
 .product-context>p { font-size:10px; }
 .product-moments { margin-top:24px; gap:12px; }
 .product-questions { grid-template-columns:1fr; gap:22px; padding:39px 6%; }
 .product-questions h2 { font-size:31px; }
 .product-answers summary { font-size:13px; }
 .product-close { padding:12px 6% 38px; gap:18px; justify-content:flex-start; }
 .product-close>p { font-size:30px; }
 .product-marketing .marketing-footer { padding-inline:6%; gap:8px; }
}
@media(max-width:360px) {
 .product-marketing .marketing-header .brand { font-size:18px; }
 .product-marketing .marketing-header nav .quiet-link:last-child { font-size:10px; gap:5px; }
 .product-intro h1 { font-size:37px; }
 .demo-progress { gap:6px; padding-inline:8px; }
 .demo-progress li { font-size:9px; gap:4px; }
 .demo-progress li+li::before { width:6px; }
 .demo-progress li>span { width:20px; height:20px; }
 .demo-stage { padding:16px; }
 .demo-stage-heading h2 { font-size:22px; }
 .demo-option { font-size:11px; padding-inline:11px; }
 .demo-window-header { gap:3px; }
}
@media(prefers-reduced-motion:reduce) {
 .conversation-demo *, .product-answers summary .icon { transition:none !important; animation:none !important; }
}

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