/* The homepage story uses the shared theme tokens. */
#overview .hero{grid-template-columns:1.08fr 1fr;gap:5%;padding-top:54px;padding-bottom:52px}
#overview .hero h1{font-size:clamp(50px,5.3vw,74px);line-height:1.06}
#overview .hero .eyebrow{line-height:1.8;letter-spacing:.12em;margin-bottom:22px;max-width:440px}
#overview .hero-description{margin:24px 0 13px;max-width:510px;font-size:16px;line-height:1.75}
.hero-invitation{font-size:14px;line-height:1.75;max-width:490px;margin-bottom:25px;color:var(--ink)}
#overview .hero-photo{height:485px}
#overview .hero-meta{max-width:470px;line-height:1.9;font-size:11px}
#overview .ambition{grid-template-columns:210px 1fr}
.frontier-nav{display:flex;gap:12px 27px;flex-wrap:wrap;padding:23px 0 5px;font-size:11px;font-weight:600;color:var(--muted)}
.frontier-nav a:hover{color:var(--green);text-decoration:underline;text-underline-offset:5px}
.frontier-section{padding:66px 0 0;scroll-margin-top:25px}
.frontier-section-heading{display:grid;grid-template-columns:1.1fr 1fr;align-items:end;gap:7%;margin-bottom:30px}
.frontier-section-heading h2{font-size:clamp(29px,3.1vw,43px);line-height:1.18;font-weight:650;margin-top:14px}
.frontier-section-heading>p{font-size:14px;line-height:1.85;color:var(--muted);max-width:495px;padding-bottom:2px}
.evolution-layout{display:grid;grid-template-columns:230px minmax(0,1fr);border:1px solid var(--line);border-radius:15px;overflow:hidden;background:var(--surface)}
.evolution-tabs{padding:14px;background:var(--surface-soft);display:flex;flex-direction:column;gap:7px;border-right:1px solid var(--line)}
.evolution-tabs button{position:relative;background:transparent;text-align:left;border:1px solid transparent;border-radius:9px;padding:17px 30px 17px 16px;color:var(--muted);min-height:76px}
.evolution-tabs button>span{font-size:10px;letter-spacing:.07em;display:block;margin-bottom:5px}
.evolution-tabs button>b{font-size:13px;font-weight:600}
.evolution-tabs button>i{position:absolute;right:13px;top:30px;font-size:14px;font-style:normal;opacity:0}
.evolution-tabs button:hover{background:var(--surface);color:var(--ink)}
.evolution-tabs button[aria-selected="true"]{background:var(--green);color:var(--on-accent);border-color:var(--green)}
.evolution-tabs button[aria-selected="true"]>i{opacity:1}
.evolution-panel{padding:33px 36px;min-height:453px}
.evolution-panel h3{font-size:28px;line-height:1.25;margin:12px 0 17px}
.evolution-panel>p{font-size:14px;line-height:1.85;color:var(--muted);max-width:820px}
.evolution-panel .era-boundary{font-size:12px;color:var(--ink);border-left:2px solid var(--accent-line);padding-left:13px;margin:16px 0}
.era-context{margin:25px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.era-context h4,.era-milestones h4{font-family:var(--display);font-size:17px;letter-spacing:-.025em;line-height:1.4;margin:0 0 9px}
.era-context p,.era-milestones p{font-size:13px;line-height:1.85;color:var(--muted)}
.era-milestones{list-style:none;padding:0;margin:26px 0}
.era-milestones li{display:grid;grid-template-columns:65px minmax(0,1fr);gap:17px;padding:17px 0;border-top:1px solid var(--line)}
.era-milestones li>span{font-size:11px;letter-spacing:.025em;color:var(--green);font-weight:700;padding-top:3px}
.era-figure{margin:28px 0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--surface)}
.era-figure>a{display:block;background:#fff;padding:18px 12px}
.era-figure img{display:block;width:100%;height:auto}
.era-figure figcaption{padding:18px 21px;display:grid;gap:9px;font-size:12px;line-height:1.75;color:var(--muted)}
.era-figure figcaption b{color:var(--ink);font-size:13px}
.era-figure-credit{font-size:10px}
.era-figure .text-link{justify-self:start;font-size:11px}
.era-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin:22px 0}
.era-links .text-link{font-size:12px}
.era-watch-link{margin-top:15px;font-size:12px}.era-videos{scroll-margin-top:28px}
.era-watch-heading{margin:30px 0 16px;padding-top:24px;border-top:1px solid var(--line)}
.era-watch-heading p{font-size:12px;color:var(--muted);margin-top:8px}
.era-videos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}
.era-videos>.learning-video:only-child{grid-column:1/-1;max-width:760px;width:100%}
.era-videos .learning-video-copy{padding:19px}
.era-videos .learning-video-copy h4{font-size:17px;line-height:1.4}
.era-videos .learning-video-copy p{font-size:12px}
.era-videos .video-actions{flex-wrap:wrap}
@media(max-width:1050px){.era-videos{grid-template-columns:1fr}}
@media(max-width:520px){.era-milestones li{grid-template-columns:51px minmax(0,1fr);gap:12px}.era-context h4,.era-milestones h4{font-size:16px}.era-figure figcaption{padding:16px}.era-videos .learning-video-copy{padding:17px}}
.era-mechanism{display:grid;grid-template-columns:minmax(0,1fr) 24px minmax(0,1.25fr) 24px minmax(0,1fr);align-items:center;gap:9px;margin:22px 0}
.era-node{background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:8px;min-height:55px;display:flex;align-items:center;justify-content:center;padding:9px;text-align:center;font-size:12px;font-weight:600}
.era-node:nth-of-type(3){background:var(--green);color:var(--on-accent);border-color:var(--green)}
.era-arrow{text-align:center;color:var(--muted)}
.era-mechanism small{grid-column:1/-1;color:var(--muted);font-size:10px;letter-spacing:.02em;text-align:center;padding-top:3px}
.why-now{margin-top:20px;padding:25px 29px;background:var(--accent-soft);border-radius:11px;display:grid;grid-template-columns:190px 1fr;gap:10px 30px}
.why-now>.eyebrow{padding-top:6px;line-height:1.8}
.why-now p{font-size:14px;line-height:1.85}
.why-now .text-link{grid-column:2}
.capability-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.capability{padding:29px;border:1px solid var(--line);border-radius:13px;background:var(--surface);display:flex;flex-direction:column;align-items:start}
.capability-number{font-size:11px;font-weight:650;letter-spacing:.12em;color:var(--green);margin-bottom:16px}
.capability h3{font-size:23px;line-height:1.3;margin-bottom:13px}
.capability>p{font-size:14px;color:var(--muted);line-height:1.85}
.capability-shift{border-top:1px solid var(--line);margin:22px 0 18px;padding-top:17px;display:grid;grid-template-columns:65px 1fr;gap:12px;font-size:12px;line-height:1.8}
.capability-shift>b{color:var(--green)}
.capability .text-link{margin-top:auto}
.frontier-footnote{font-size:11px;line-height:1.8;color:var(--muted);margin-top:16px;max-width:960px}
.approach-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.approach-table{border-collapse:collapse;width:100%;min-width:840px;table-layout:fixed;text-align:left;font-size:12px;line-height:1.75}
.approach-table caption{text-align:left;padding:18px 22px;font-size:12px;font-weight:600;border-bottom:1px solid var(--line);background:var(--surface-soft)}
.approach-table th,.approach-table td{padding:18px 22px;vertical-align:top;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}
.approach-table tr>*:last-child{border-right:0}
.approach-table tbody tr:last-child>*{border-bottom:0}
.approach-table thead th{font-size:13px;line-height:1.5;background:var(--surface-soft)}
.approach-table thead th:first-child{width:18%}
.approach-table thead th:last-child{background:var(--accent-soft)}
.approach-table thead th>span{display:block;margin-top:7px;font-size:10px;font-weight:400;color:var(--muted)}
.approach-table tbody th{font-weight:600;background:var(--surface-soft)}
.approach-table td{color:var(--muted)}
.approach-notes,.frontier-examples-intro{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;margin-top:21px}
.approach-notes p,.frontier-examples-intro p{font-size:13px;line-height:1.85;color:var(--muted)}
.approach-notes b,.frontier-examples-intro b{color:var(--ink)}
.frontier-examples-intro{margin:0 0 25px}
.frontier-videos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start}
.frontier-videos .learning-video{height:100%}
.frontier-videos .learning-video-copy{padding:24px}
.pioneering-section{margin:72px 0 14px;border-radius:17px;padding:44px;display:grid;grid-template-columns:1.05fr 1fr;gap:65px;background:var(--strong-surface);color:var(--on-strong);scroll-margin-top:25px}
.pioneering-section .eyebrow{color:var(--strong-muted)}
.pioneering-section h2{font-size:clamp(31px,3.3vw,45px);line-height:1.18;font-weight:600;margin:17px 0 22px}
.pioneering-section p{font-size:13px;line-height:1.85;color:var(--strong-muted)}
.pioneering-section .pioneering-lead{font-size:17px;line-height:1.7;color:var(--on-strong);margin-bottom:15px}
.pioneering-section .button.primary{margin-top:27px;background:var(--lime);color:var(--strong-surface)}
.pioneer-questions{padding-top:6px}
.pioneer-questions article{display:grid;grid-template-columns:30px 1fr;gap:15px;border-bottom:1px solid color-mix(in srgb,var(--strong-muted) 24%,transparent);padding:23px 0}
.pioneer-questions article>span{font-size:10px;color:var(--strong-muted);padding-top:5px}
.pioneer-questions h3{font-size:20px;line-height:1.35;font-weight:600;margin-bottom:9px;letter-spacing:-.03em}
.pioneering-section .pioneering-caption{font-size:11px;margin-top:20px}
.frontier-sources{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:23px 0;margin-top:38px}
.frontier-sources>summary{cursor:pointer;font-size:15px;font-weight:600;line-height:1.8}
.frontier-sources>summary>span{font-size:11px;font-weight:400;color:var(--muted);margin-left:17px;display:inline-block}
.frontier-sources .source-card-list{margin-top:25px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media(max-width:1000px){#overview .hero{gap:4%}#overview .hero h1{font-size:clamp(44px,5.4vw,63px)}#overview .hero-photo{height:480px}.frontier-section-heading{gap:5%}.evolution-layout{grid-template-columns:200px minmax(0,1fr)}.evolution-panel{padding:28px}.why-now{grid-template-columns:150px 1fr;gap:10px 20px}.pioneering-section{gap:35px;padding:35px}.frontier-videos{gap:18px}}
@media(max-width:740px){#overview .hero{grid-template-columns:1fr;padding-top:35px;gap:28px;padding-bottom:32px}#overview .hero h1{font-size:clamp(47px,9.6vw,68px)}#overview .hero-description{max-width:600px}#overview .hero-photo{height:340px}#overview .ambition{grid-template-columns:1fr;gap:14px;padding:25px 0}#overview .ambition .eyebrow{max-width:none}.frontier-nav{gap:12px 20px}.frontier-section{padding-top:48px}.frontier-section-heading{grid-template-columns:1fr;gap:18px}.frontier-section-heading>p{max-width:none}.evolution-layout{grid-template-columns:1fr}.evolution-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-right:0;border-bottom:1px solid var(--line);padding:10px;gap:7px}.evolution-tabs button{padding:12px;min-height:78px}.evolution-tabs button>b{font-size:11px;line-height:1.5}.evolution-tabs button>span{font-size:9px}.evolution-tabs button>i{display:none}.evolution-panel{padding:25px;min-height:0}.evolution-panel h3{font-size:25px}.why-now{grid-template-columns:1fr;padding:22px}.why-now .text-link{grid-column:1}.capability-grid{gap:15px}.capability{padding:23px}.capability h3{font-size:21px}.capability-shift{grid-template-columns:1fr;gap:5px}.approach-notes,.frontier-examples-intro{gap:20px}.frontier-videos{grid-template-columns:1fr;gap:23px}.pioneering-section{grid-template-columns:1fr;gap:30px;padding:29px;margin-top:50px}.pioneering-section h2 br{display:none}.pioneering-section h2{max-width:430px}.frontier-sources .source-card-list{grid-template-columns:1fr}.frontier-sources>summary>span{display:block;margin:6px 0 0 18px}}
@media(max-width:520px){.frontier-nav{font-size:10px}.capability-grid,.approach-notes,.frontier-examples-intro{grid-template-columns:1fr}.frontier-section-heading h2{font-size:31px}.evolution-panel{padding:22px 18px}.era-mechanism{gap:5px;grid-template-columns:minmax(0,1fr) 14px minmax(0,1.1fr) 14px minmax(0,1fr)}.era-node{padding:9px 7px;font-size:10px;min-height:64px}.era-mechanism small{font-size:9px}.pioneering-section{padding:25px}.frontier-videos .learning-video-copy{padding:22px}#overview .hero-meta{font-size:10px}}