/* White/red refinement. Keep the accessible type scale from restrained.css. */
.header nav{gap:23px}.nav-join{background:var(--red);border:1px solid var(--red);color:white;padding:9px 16px;gap:17px;min-height:44px}.header nav>.nav-join:hover{background:#aa002a;border-color:#aa002a;color:white}
.hero-content{gap:65px;padding-block:40px 44px;align-items:center}.hero h1{letter-spacing:-.045em}.hero h1>span{letter-spacing:inherit}.hero-detail{max-width:43ch}.hero-actions{gap:25px}.hero-actions .primary{border-radius:6px}.hero-description{font-size:22px}.hero-institution{margin-bottom:23px}.research-explorer{padding-top:8px;min-width:0;position:relative}.figure-stage{position:relative;border-radius:24px;background:radial-gradient(ellipse at 70% 38%,#fff0f4 0,transparent 58%);margin-bottom:20px}.quantum-figure{width:100%;height:auto;display:block;margin:0}.figure-stage [data-topic-scene]{min-width:0}
.topic-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;border:0}.topic-tabs>button{display:flex;align-items:center;gap:12px;min-height:58px;padding:13px 15px;border:1px solid #858b94!important;border-radius:12px;background:white;color:var(--gray);font-size:14px;line-height:1.5;position:relative}.topic-tabs>button:before{display:none}.topic-tabs>button svg{width:24px;height:24px;flex-shrink:0}.topic-tabs>button span{min-width:0}.topic-tabs>button:hover{background:#fafafb;border-color:var(--ink)!important;color:var(--ink)}.topic-tabs>button[aria-selected=true]{background:#fff5f7;border-color:var(--red)!important;color:var(--red);box-shadow:none;font-weight:500}.topic-tabs>button:focus-visible{outline:2px solid var(--red);outline-offset:3px}.topic-description{display:block;padding:0;margin-top:22px;min-height:87px}.topic-description strong{display:block;font:500 19px/1.4 var(--display);color:var(--ink);letter-spacing:-.3px}.topic-description p{font-size:14px;line-height:1.7;max-width:58ch;margin-top:7px}.topic-tags{display:flex;flex-wrap:wrap;gap:10px;padding-top:4px}.topic-tags span{font-size:13px;line-height:1.6;padding:7px 11px;border:1px solid var(--line);border-radius:20px;color:var(--gray)}
.weekly-banner{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 0 25px}.weekly-wordmark{font:500 clamp(38px,4.9vw,68px)/1.12 var(--display);letter-spacing:-.045em;color:var(--ink)}.weekly-wordmark>span{color:var(--red)}.weekly-details{display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;margin-top:16px;font-size:16px;line-height:1.7;color:var(--gray)}.weekly-details>span:last-child{font-size:14px}.next-session{border-radius:12px;margin-top:25px;background:#fff;border-left:3px solid var(--red)}.next-title{font-family:var(--display)}
.community{background:#fff9fa;border:1px solid #e2c7cf;border-radius:20px;margin-top:60px;margin-bottom:12px;padding:38px}.community .section-label{margin-bottom:24px}.community-heading{align-items:end;gap:35px}.community-heading h2{font-size:40px;line-height:1.15}.community-heading p{max-width:40ch;font-size:16px;line-height:1.7}.community-cards{grid-template-columns:1.2fr 1fr 1fr;border:0;gap:0;margin-top:30px;align-items:stretch}.community-card,.community-card:first-child,.community-card:last-child{padding:25px 25px 24px;min-width:0}.community-card:first-child{background:white;border:1px solid #ddb8c2;border-radius:12px}.community-card+.community-card{border-left:0}.community-card h3{font-family:var(--display);font-size:27px;line-height:1.3;margin-top:16px;gap:15px}.community-card p{font-size:15px;line-height:1.75;margin-top:16px;max-width:35ch}.community-cta{font-size:14px;line-height:1.6;margin-top:24px}.community-card:first-child .community-cta{display:inline-flex;align-items:center;justify-content:space-between;gap:18px;background:var(--red);color:white;padding:11px 15px;border-radius:6px;min-height:46px}.community-card:first-child:hover .community-cta{background:#aa002a}.community-number{font-size:12px;line-height:1.6}.community-card:focus-visible{outline-offset:4px;border-radius:12px}.about{padding-top:75px}
@media(max-width:1100px){.header nav{gap:18px}.hero-content{gap:38px}.topic-tabs>button{padding-inline:12px;gap:10px}.community{padding:30px}.community-heading h2{font-size:36px}.community-card,.community-card:first-child,.community-card:last-child{padding:23px 20px}.community-card h3{font-size:25px}}
@media(max-width:900px){.hero-content{grid-template-columns:1.05fr minmax(0,1fr);gap:30px}.hero-actions{align-items:flex-start;flex-direction:column;gap:18px}.hero-description{font-size:20px}.topic-tabs>button{gap:8px;padding-inline:10px;font-size:14px}.topic-tabs>button svg{width:21px;height:21px}.topic-description{min-height:112px}.community-heading{display:block}.community-heading p{max-width:60ch;margin-top:16px}.community-cards{grid-template-columns:1.1fr 1fr 1fr}.community-card,.community-card:first-child,.community-card:last-child{padding:22px 17px}.community-card h3{font-size:24px}}
@media(max-width:780px){.hero-content{grid-template-columns:1fr;gap:42px}.hero-copy{max-width:620px}.hero-actions{flex-direction:row;align-items:center;flex-wrap:wrap}.research-explorer{width:100%;max-width:580px;justify-self:center}.figure-stage{margin-bottom:18px}.topic-tabs>button{font-size:15px;gap:12px;padding-inline:15px}.topic-tabs>button svg{width:24px;height:24px}.topic-description{min-height:87px}.weekly-wordmark{font-size:54px}.community-cards{grid-template-columns:1fr;gap:12px}.community-card,.community-card:first-child,.community-card:last-child{padding:24px}.community-card+.community-card{border-top:1px solid #e2c7cf}.community-card h3{font-size:28px}.community-card p{max-width:60ch}.community-card:first-child .community-cta{width:fit-content}.header nav .nav-join{color:white}.community{margin-top:38px}}
@media(max-width:680px){.hero-content{padding-top:35px;padding-bottom:28px;gap:34px}.hero-description{font-size:20px}.hero-actions{gap:20px}.topic-tabs>button{font-size:14px;padding-inline:12px;gap:10px}.topic-description strong{font-size:19px}.topic-description p{font-size:14px}.topic-description{min-height:103px}.weekly-banner{padding-block:24px}.weekly-wordmark{font-size:clamp(35px,9.8vw,50px);line-height:1.15;letter-spacing:-.045em}.weekly-details{display:block;margin-top:15px;font-size:16px}.weekly-details>span{display:block}.weekly-details>span+span{margin-top:7px}.next-session{padding:22px 18px}.community{padding:25px 20px;border-radius:16px}.community-heading h2{font-size:34px}.community-heading p{font-size:16px}.community-card,.community-card:first-child,.community-card:last-child{padding:22px 18px}.community-card p{font-size:16px}.about{padding-top:55px}}
@media(max-width:360px){.topic-tabs>button{font-size:14px;gap:8px;padding-inline:9px}.topic-tabs>button svg{width:20px;height:20px}.topic-description{min-height:126px}.community{padding-inline:16px}.community-card,.community-card:first-child,.community-card:last-child{padding:21px 16px}.weekly-wordmark{font-size:35px}}
/* Keep the top of the page compact enough for the weekly cadence to read as a statement. */
.hero-content{align-items:start}.hero-copy{padding-top:42px}.figure-stage .quantum-figure{height:300px}.topic-description{min-height:68px}
@media(max-width:900px){.hero-copy{padding-top:28px}.topic-description{min-height:96px}}
@media(max-width:780px){.hero-copy{padding-top:0}.figure-stage .quantum-figure{height:auto}.topic-description{min-height:87px}}
@media(max-width:680px){.topic-description{min-height:103px}}
@media(max-width:360px){.topic-description{min-height:126px}}
.topic-tabs>button span{overflow-wrap:anywhere}

/* Research-scope labels only; no educational demo or reserved demo space. */
.figure-footer{min-height:44px;padding-top:4px}

/* Prominent season metadata and the next series-wide talk number. */
.hero-top .season-badge{display:flex;flex-direction:column;align-items:flex-end;gap:10px;font:700 20px/1.45 var(--mono);letter-spacing:.035em;color:var(--red);white-space:normal}
.season-badge>.season-line{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px;padding:0;color:var(--red)}
.season-line .season-divider{color:var(--gray);font-weight:400}
.next-talk-badge{display:inline-flex;align-items:center;gap:10px;padding:7px 12px;min-height:40px;border:1px solid var(--red);border-radius:6px;background:#fff5f7;font:500 13px/1.5 var(--sans);letter-spacing:.035em;color:var(--red)}
.next-talk-badge strong{font-family:var(--display);font-weight:500;font-size:20px;line-height:1.2;letter-spacing:-.02em}
.next-talk-badge>span{font-size:18px;line-height:1}
.next-talk-badge:hover{background:#fbe5eb}
@media(max-width:900px){.hero-top .season-badge{font-size:18px}}
@media(max-width:680px){.hero-top .season-badge{align-items:flex-start;flex-basis:100%;font-size:17px;margin-top:6px}.season-badge>.season-line{gap:10px}}
@media(max-width:360px){.hero-top .season-badge{font-size:16px}.season-badge>.season-line{gap:8px}}

/* Subscription choices use the same quiet white/red editorial design. */
.community-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
.follow-card{display:flex;flex-direction:column}
.follow-card h3{font-size:26px;align-items:flex-start}
.follow-card .community-cta{margin-top:auto;padding-top:24px}
.follow-action{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:48px;background:none;border:0;border-bottom:1px solid var(--control-border);padding-inline:0;padding-bottom:10px;color:var(--red);font:500 15px/1.5 var(--sans);text-align:left;cursor:pointer}
.follow-action:hover{color:#990026;border-bottom-color:var(--red)}
.community-card.follow-card:hover h3{color:var(--ink)}
.community-links{display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px;margin-top:24px;padding-top:20px;border-top:1px solid #ddb8c2;color:var(--gray);font-size:14px;line-height:1.7}
.community-links>a{color:var(--ink);min-height:44px;display:inline-flex;align-items:center;gap:8px}
.community-links>a:hover{color:var(--red)}
.community-links>a:last-child{margin-left:auto}
.follow-dialog{position:fixed;inset:0;width:min(760px,calc(100vw - 40px));max-width:100%;max-height:calc(100dvh - 48px);margin:auto;padding:32px;border:1px solid #c5c7cd;border-radius:18px;background:white;color:var(--ink);box-shadow:0 24px 90px #24272d26;overflow-y:auto;overscroll-behavior:contain;scroll-behavior:auto;font:16px/1.7 var(--sans)}
.follow-dialog::backdrop{background:#24272d80}
body:has(.follow-dialog[open]){overflow:hidden}
.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.dialog-top .eyebrow{font-size:12px;letter-spacing:.035em;margin:0}
.dialog-top form{margin:0}
.dialog-close{display:grid;place-items:center;min-width:44px;min-height:44px;font:28px/1 var(--sans);color:var(--ink);background:white;border:1px solid var(--control-border);border-radius:50%;cursor:pointer}
.dialog-close:hover{background:var(--pale)}
.follow-dialog h2{font:500 clamp(26px,4vw,36px)/1.2 var(--display);letter-spacing:-.035em;max-width:20ch}
.follow-dialog>p{color:var(--gray);margin-top:16px}
.follow-step{border-top:1px solid var(--line);margin-top:28px;padding-top:24px}
.follow-kicker{font:12px/1.6 var(--mono);letter-spacing:.03em;color:var(--red)}
.follow-dialog h3{font:500 23px/1.35 var(--display);letter-spacing:-.02em;margin:10px 0}
.follow-step>p{color:var(--gray);margin-top:10px}
.follow-step>.next-calendar-date{font-weight:600;color:var(--ink)}
.follow-buttons{display:flex;align-items:center;flex-wrap:wrap;gap:12px 20px;margin-top:20px}
.follow-dialog .button{min-height:46px;border-radius:6px;padding:11px 15px;font-size:14px;line-height:1.6;gap:16px;text-align:left;white-space:normal;cursor:pointer}
.follow-dialog .primary{background:var(--red);color:white;border:1px solid var(--red)}
.follow-dialog .primary:hover{background:#aa002a}
.follow-dialog .outline{border:1px solid var(--control-border);background:white;color:var(--ink)}
.follow-dialog .outline:hover{background:var(--pale)}
.follow-dialog .text-link{font-size:14px;min-height:44px;display:inline-flex;align-items:center;gap:8px}
.follow-dialog .follow-help{font-size:14px;line-height:1.75;color:var(--gray);margin-top:16px}
.follow-preview-note{border-left:3px solid var(--red);padding:12px 15px;background:#fff5f7;color:var(--ink);font-size:14px;line-height:1.75;margin:20px 0}
.follow-preview-note[hidden]{display:none}
.follow-label{display:block;font-size:14px;font-weight:600;margin:22px 0 8px}
.copy-row{display:flex;gap:10px;align-items:stretch}
.follow-dialog input,.follow-dialog textarea{display:block;min-width:0;width:100%;font:14px/1.7 var(--sans);border:1px solid var(--control-border);border-radius:6px;background:#fbfbfc;color:var(--ink);padding:12px;scroll-margin:20px}
.follow-dialog textarea{resize:vertical;min-height:200px;max-height:45dvh}
.copy-row input{flex:1}
.copy-row .button{flex-shrink:0}
.follow-status{font-size:14px;line-height:1.6;color:var(--red);margin:6px 0 0;min-height:0}
.follow-status:not(:empty){min-height:24px}
.follow-dialog [aria-disabled=true]{color:var(--gray);border-style:dashed;background:#f5f5f6;cursor:default}
.follow-instructions{margin-top:24px}
.follow-instructions summary{cursor:pointer;font-size:15px;line-height:1.7;min-height:44px;padding-block:8px;font-weight:600}
.follow-instructions ul{padding-left:22px;margin:14px 0;font-size:14px;color:var(--gray)}
.follow-instructions li+li{margin-top:12px}
.follow-instructions strong{color:var(--ink)}
.follow-docs{display:flex;flex-wrap:wrap;gap:4px 20px;font-size:14px;color:var(--red)}
.follow-docs a{display:inline-flex;align-items:center;min-height:44px}
.follow-dialog textarea:focus-visible{outline:2px solid var(--red);outline-offset:4px}
.agent-resources{border-top:1px solid var(--line);padding-top:4px;margin-top:24px}
.follow-step>.series-sync-note{border-left:2px solid var(--red);padding-left:14px;font-size:14px;line-height:1.75;margin-top:18px;color:var(--ink)}
@media(max-width:1100px){.follow-card h3{font-size:24px}}
@media(max-width:780px){.community-cards{grid-template-columns:1fr}.follow-card .community-cta{margin-top:0}.community-links>a:last-child{margin-left:0}.follow-dialog{padding:26px}.follow-card h3{font-size:28px}}
@media(max-width:480px){.follow-dialog{width:calc(100vw - 24px);max-height:calc(100dvh - 24px);padding:22px 18px;border-radius:12px}.copy-row{flex-wrap:wrap}.copy-row input{flex-basis:100%}.follow-buttons{align-items:stretch;flex-direction:column}.follow-dialog .button{justify-content:space-between}.dialog-top .eyebrow{max-width:20ch}.community-links>span{flex-basis:100%}.follow-dialog h3{font-size:21px}}