:root{
  --ink:#183129; --muted:#65756e; --paper:#f5f2e8; --surface:#fffdf7; --line:#d8ddd5;
  --green:#214e3b; --moss:#5e7e62; --lime:#d9ef78; --sun:#f2c95c; --rose:#e78c72;
  --safe:#d8ebd5; --beyond:#f6d0bf; --shadow:0 16px 40px rgba(26,54,43,.08);
  --max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:rgba(245,242,232,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(24,49,41,.08)}.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{font-weight:800;letter-spacing:-.045em;font-size:24px}.brand span{color:var(--moss)}.navlinks{display:flex;align-items:center;gap:28px;font-size:14px}.navlinks a{color:#3e544b}.navlinks a:hover{color:var(--ink)}.nav-cta{border:1px solid var(--ink);border-radius:999px;padding:9px 14px!important}.menu-btn{display:none;background:none;border:0;font-size:24px}.hero{min-height:690px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:80px;padding:76px 0}.eyebrow{display:flex;align-items:center;gap:10px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--moss);margin-bottom:18px}.eyebrow:before{content:"";width:28px;height:1px;background:currentColor}.hero h1,.page-hero h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.05em;line-height:.96;margin:0 0 26px}.hero h1{font-size:clamp(56px,7vw,96px)}.page-hero h1{font-size:clamp(48px,6vw,78px)}.lead{font-size:19px;color:#4f635b;max-width:650px}.hero-actions{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 20px;border:1px solid var(--ink);font-size:14px;font-weight:700}.btn.primary{background:var(--ink);color:white}.btn.soft{background:rgba(255,255,255,.45)}.planet-orbit{aspect-ratio:1;max-width:500px;margin:auto;border-radius:50%;position:relative;background:radial-gradient(circle at 34% 28%,#eff7ba 0 12%,#9fb982 13% 27%,#5a8063 28% 45%,#2b5c48 46% 57%,#193d32 58% 100%);box-shadow:inset -25px -20px 60px rgba(0,0,0,.18),0 40px 80px rgba(33,78,59,.18)}.planet-orbit:after,.planet-orbit:before{content:"";position:absolute;border:1px solid rgba(33,78,59,.28);border-radius:50%;inset:-28px}.planet-orbit:after{inset:-60px;opacity:.45}.orbit-label{position:absolute;background:var(--surface);border:1px solid var(--line);padding:9px 12px;border-radius:999px;font-size:12px;box-shadow:var(--shadow)}.ol1{top:9%;right:-11%}.ol2{bottom:19%;left:-12%}.ol3{bottom:0;right:9%}.section{padding:110px 0}.section.alt{background:#ebe9df}.section-head{display:grid;grid-template-columns:.65fr 1.35fr;gap:60px;align-items:end;margin-bottom:44px}.section-head h2{font-family:Georgia,serif;font-size:clamp(40px,5vw,64px);font-weight:400;letter-spacing:-.04em;line-height:1;margin:0}.section-head p{margin:0;color:var(--muted);font-size:17px;max-width:700px}.boundary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.boundary-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;min-height:230px;display:flex;flex-direction:column;transition:.25s ease}.boundary-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b9c3b8}.card-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.symbol{width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#edf1e9;font-family:Georgia,serif;font-weight:700}.status{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;padding:6px 9px;border-radius:999px}.status.beyond{background:var(--beyond)}.status.safe{background:var(--safe)}.boundary-card h3,.activity-card h3,.guide-card h3{font-size:23px;letter-spacing:-.025em;margin:28px 0 9px}.boundary-card p,.activity-card p,.guide-card p{color:var(--muted);font-size:14px;margin:0}.arrow{margin-top:auto;padding-top:20px;font-weight:800}.activity-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.activity-card{background:var(--surface);border:1px solid var(--line);border-radius:26px;padding:28px;min-height:410px;display:flex;flex-direction:column}.activity-icon{font-size:40px}.boundary-pills{display:flex;flex-wrap:wrap;gap:7px;margin:22px 0}.pill{font-size:11px;border:1px solid #c8d0c7;border-radius:999px;padding:5px 8px;background:#f8f8f2}.mini-label{font-size:11px;text-transform:uppercase;letter-spacing:.09em;font-weight:800;color:var(--moss);margin-top:16px}.guide-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.guide-card{border-top:1px solid #aab5aa;padding:26px 0;display:flex;flex-direction:column;min-height:330px}.guide-no{font-family:Georgia,serif;font-size:58px;color:#99aa9f;line-height:1}.guide-card .meta{margin-top:auto;padding-top:30px;font-size:12px;font-weight:700}.manifesto{display:grid;grid-template-columns:1fr 1fr;gap:60px;background:var(--ink);color:white;border-radius:30px;padding:60px}.manifesto h2{font-family:Georgia,serif;font-size:52px;font-weight:400;letter-spacing:-.04em;line-height:1.05;margin:0}.manifesto p{color:#d6e0db;font-size:18px;margin:0}.site-footer{padding:52px 0;border-top:1px solid rgba(24,49,41,.12)}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:30px}.footer-grid p,.footer-grid a{font-size:13px;color:var(--muted)}.footer-links{display:flex;flex-direction:column;gap:8px}.page-hero{padding:90px 0 68px}.crumb{font-size:13px;color:var(--muted);margin-bottom:28px}.page-hero .status{display:inline-block;margin-bottom:20px}.detail-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(280px,.65fr);gap:70px;padding-bottom:110px}.prose h2{font-family:Georgia,serif;font-size:38px;font-weight:400;letter-spacing:-.03em;margin:60px 0 16px}.prose h2:first-child{margin-top:0}.prose p{font-size:17px;color:#465a52}.prose ul{padding-left:20px}.prose li{margin:10px 0;color:#465a52}.side-card{position:sticky;top:98px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px;height:max-content}.side-card h3{margin:0 0 12px}.side-card .btn{width:100%;margin-top:12px}.connection-list{display:flex;flex-wrap:wrap;gap:7px}.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:26px 0}.fact{background:#ebe9df;border-radius:16px;padding:18px}.fact b{display:block;margin-bottom:6px}.activity-hero{display:grid;grid-template-columns:1fr .7fr;gap:50px;align-items:end}.big-icon{font-size:90px;line-height:1;text-align:right}.matrix{width:100%;border-collapse:separate;border-spacing:0 8px;margin:28px 0}.matrix td{padding:13px 14px;background:rgba(255,255,255,.45);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.matrix td:first-child{border-left:1px solid var(--line);border-radius:12px 0 0 12px;font-weight:700}.matrix td:last-child{border-right:1px solid var(--line);border-radius:0 12px 12px 0;text-align:right}.dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px}.dot.primary{background:var(--green)}.dot.secondary{background:var(--sun)}.step{display:grid;grid-template-columns:48px 1fr;gap:18px;padding:26px 0;border-top:1px solid var(--line)}.step-num{width:38px;height:38px;border-radius:50%;background:var(--lime);display:flex;align-items:center;justify-content:center;font-weight:800}.step h3{margin:2px 0 6px}.step p{margin:0}.today-box{background:var(--lime);border-radius:22px;padding:28px;margin:38px 0}.today-box .mini-label{color:var(--ink);margin:0 0 8px}.source-list{font-size:13px;color:var(--muted);padding-left:18px}.source-list a{text-decoration:underline;text-underline-offset:3px}.index-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding-bottom:110px}.index-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px;display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:18px}.index-card:hover{box-shadow:var(--shadow)}.index-card h3{margin:0 0 4px}.index-card p{margin:0;color:var(--muted);font-size:13px}.note{border-left:3px solid var(--moss);padding:2px 0 2px 18px;color:var(--muted);font-size:14px}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:white;padding:8px;z-index:99}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:60px;padding:60px 0}.hero-visual{order:-1;max-width:350px;margin:auto}.section-head{grid-template-columns:1fr;gap:18px}.boundary-grid,.activity-grid,.guide-grid{grid-template-columns:1fr 1fr}.detail-layout{grid-template-columns:1fr}.side-card{position:static}.activity-hero{grid-template-columns:1fr}.big-icon{text-align:left}.manifesto{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.index-grid{grid-template-columns:1fr}.navlinks{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);padding:24px 20px;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.navlinks.open{display:flex}.menu-btn{display:block}}
@media(max-width:620px){.wrap{width:min(calc(100% - 28px),var(--max))}.boundary-grid,.activity-grid,.guide-grid{grid-template-columns:1fr}.hero{min-height:auto}.planet-orbit{max-width:260px}.section{padding:80px 0}.manifesto{padding:34px 26px}.manifesto h2{font-size:40px}.footer-grid{grid-template-columns:1fr}.facts{grid-template-columns:1fr}.index-card{grid-template-columns:50px 1fr}.index-card .arrow{display:none}.page-hero{padding-top:60px}.detail-layout{gap:30px}}

/* Three-level guide system */
.levels-intro{margin-bottom:28px}.levels-intro h2{margin-top:8px!important}.guide-levels{display:grid;gap:18px;margin:28px 0 48px}.guide-level{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:30px;position:relative;overflow:hidden}.guide-level:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-80px;top:-80px;background:rgba(217,239,120,.24)}.guide-level.level-2:after{background:rgba(242,201,92,.20)}.guide-level.level-3:after{background:rgba(94,126,98,.18)}.level-kicker{display:flex;align-items:center;gap:10px;font-size:11px;text-transform:uppercase;letter-spacing:.1em;font-weight:800;color:var(--moss);position:relative;z-index:1}.level-num{display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:var(--lime);color:var(--ink)}.level-2 .level-num{background:var(--sun)}.level-3 .level-num{background:#cbdccb}.guide-level h2{font-size:34px!important;margin:18px 0 8px!important;position:relative;z-index:1}.guide-level h3{font-size:20px;margin:0 0 8px;position:relative;z-index:1}.level-intro{margin:0 0 18px!important;position:relative;z-index:1}.action-list{list-style:none;padding:0!important;margin:18px 0 0;display:grid;gap:10px}.action-list li{margin:0!important;padding:14px 16px;border-radius:14px;background:#f4f3eb;display:grid;grid-template-columns:minmax(150px,.7fr) 1.3fr;gap:18px}.action-list b{font-size:14px;color:var(--ink)}.action-list span{font-size:14px;color:var(--muted)}.guide-side .mini-label{margin-top:0}.stage-mini{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:16px}.stage-mini li{display:grid;gap:3px}.stage-mini b{font-size:13px}.stage-mini span{font-size:12px;color:var(--muted)}.side-divider{height:1px;background:var(--line);margin:22px 0}.stage-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:34px;max-width:900px}.stage-strip div{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;display:grid;gap:4px}.stage-strip span{font-family:Georgia,serif;color:#8b9f92;font-size:24px}.stage-strip b{font-size:13px}.source-box{margin:28px 0;background:#ebe9df;border-radius:18px;padding:20px;display:grid;gap:8px}.source-box .mini-label{margin:0 0 4px}.source-box a{font-size:14px;text-decoration:underline;text-underline-offset:3px}.guide-card .stage-tease{margin-top:18px;font-size:11px;color:var(--moss);font-weight:800;line-height:1.6}.guide-card{min-height:360px}
@media(max-width:900px){.stage-strip{grid-template-columns:1fr}.action-list li{grid-template-columns:1fr;gap:4px}}

/* Interactive Impact Web */
.impact-section{background:linear-gradient(180deg,var(--paper) 0%,#efede4 100%)}
.impact-shell{background:rgba(255,253,247,.72);border:1px solid var(--line);border-radius:30px;padding:22px;box-shadow:0 24px 70px rgba(26,54,43,.07)}
.impact-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:2px 4px 18px;border-bottom:1px solid var(--line)}
.impact-hint{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13px}.impact-hint-icon{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:50%;color:var(--green);background:var(--surface)}
.impact-reset{border:0;background:transparent;color:var(--green);font-size:12px;font-weight:800;cursor:pointer;padding:10px 12px;border-radius:999px}.impact-reset:hover,.impact-reset:focus-visible{background:#e6eadf;outline:none}
.impact-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px;padding-top:20px}
.impact-network{position:relative;display:grid;grid-template-columns:minmax(150px,.75fr) minmax(230px,1fr) minmax(190px,.9fr);gap:66px;min-height:620px;padding:8px 8px 8px 0;isolation:isolate}
.impact-lines{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none;overflow:visible}
.impact-line{fill:none;stroke:#cdd3cb;stroke-width:1.2;opacity:.34;transition:stroke .2s ease,opacity .2s ease,stroke-width .2s ease}.impact-line.active{stroke:var(--moss);stroke-width:2.4;opacity:.92}.impact-line.action-active{stroke:#5d8290}.impact-line.inactive{opacity:.09}
.impact-column{position:relative;z-index:1;display:flex;flex-direction:column;gap:9px;min-width:0}.impact-column-label{text-transform:uppercase;letter-spacing:.14em;font-size:10px;font-weight:900;color:var(--ink);margin:0 10px 6px;min-height:18px}
.impact-node{width:100%;min-height:46px;border:1px solid rgba(24,49,41,.09);border-radius:16px;background:rgba(242,241,234,.96);color:#42564e;display:grid;grid-template-columns:32px minmax(0,1fr);align-items:center;gap:8px;text-align:left;padding:9px 12px;cursor:pointer;transition:background .18s ease,border-color .18s ease,transform .18s ease,opacity .18s ease,box-shadow .18s ease;font-size:12px;font-weight:680}.impact-node:hover{transform:translateY(-1px);border-color:#adbaae}.impact-node:focus-visible{outline:3px solid rgba(94,126,98,.25);outline-offset:2px}.node-icon{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#e8ebe4;color:var(--green);font-size:13px;font-weight:800}.impact-node.is-related{background:#eef2e8;border-color:#c2cec0;color:var(--ink)}.impact-node.is-selected{background:var(--green);border-color:var(--green);color:white;box-shadow:0 8px 24px rgba(33,78,59,.19)}.impact-node.is-selected .node-icon{background:rgba(255,255,255,.16);color:white}.impact-node.is-dimmed{opacity:.34}.boundary-node.is-selected{background:#527786;border-color:#527786}.action-node.is-selected{background:#426d5c;border-color:#426d5c}
.impact-detail{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:24px;align-self:start;min-height:340px;display:flex;flex-direction:column}.impact-detail-type{font-size:10px;text-transform:uppercase;letter-spacing:.14em;font-weight:900;color:var(--moss)}.impact-detail-symbol{font-family:Georgia,serif;font-size:46px;line-height:1;margin:30px 0 16px;color:#8aa095}.impact-detail h3{font-family:Georgia,serif;font-size:31px;font-weight:400;line-height:1.05;letter-spacing:-.03em;margin:0 0 14px}.impact-detail p{font-size:14px;color:var(--muted);margin:0}.impact-detail-connections{display:flex;flex-wrap:wrap;gap:6px;margin:18px 0 20px}.impact-detail-connections span{font-size:10px;border:1px solid #cbd2ca;border-radius:999px;padding:5px 8px;background:#f5f4ec}.impact-learn{margin-top:auto;width:100%;font-size:12px;padding:11px 14px}.impact-legend{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:17px 5px 2px;color:var(--muted);font-size:10px}.impact-legend span{display:flex;align-items:center;gap:7px}.legend-line{display:inline-block;width:30px;height:2px;background:#cdd3cb}.legend-line.strong{background:var(--moss)}
@media(max-width:1050px){.impact-layout{grid-template-columns:1fr}.impact-detail{min-height:0}.impact-network{gap:40px}}
@media(max-width:760px){.impact-shell{padding:16px}.impact-toolbar{align-items:flex-start}.impact-network{grid-template-columns:1fr;gap:28px;min-height:0}.impact-lines{display:none}.impact-column{gap:8px}.impact-node{min-height:48px}.impact-column-label{margin-top:2px}.impact-detail{margin-top:4px}.impact-node.is-dimmed{opacity:.48}.impact-legend{display:none}}

/* 2025 Planetary Boundaries hero graphic */
.hero-visual{min-width:0}
.boundary-status-visual{max-width:520px;margin:0 auto;padding:22px 20px 18px;border:1px solid rgba(24,49,41,.10);border-radius:32px;background:rgba(255,253,247,.58);box-shadow:0 30px 80px rgba(33,78,59,.10);backdrop-filter:blur(8px)}
.boundary-status-kicker{text-align:center;text-transform:uppercase;letter-spacing:.15em;font-size:10px;font-weight:900;color:var(--moss);margin-bottom:4px}
.boundary-status-chart{position:relative;aspect-ratio:1;max-width:440px;margin:auto}
.boundary-status-svg{width:100%;height:100%;display:block;overflow:visible}
.pb-sector{stroke:rgba(255,253,247,.88);stroke-width:2;transition:opacity .2s ease,filter .2s ease}
.pb-sector.pressure-safe{fill:#78a887}.pb-sector.pressure-beyond{fill:#d6bf67}.pb-sector.pressure-high{fill:#e6a768}.pb-sector.pressure-very-high{fill:#d78374}
.pb-safe-ring{fill:none;stroke:#4b8063;stroke-width:2.2;stroke-dasharray:4 5;opacity:.75}.pb-risk-ring{fill:none;stroke:#b1a985;stroke-width:1;stroke-dasharray:2 6;opacity:.55}
.pb-core{fill:#fffdf7;stroke:#d8ddd5;stroke-width:1.5}.pb-core-big{font-family:Georgia,serif;font-size:29px;fill:var(--ink)}.pb-core-small{font-size:10px;font-weight:800;fill:var(--muted);letter-spacing:.04em;text-transform:uppercase}
.pb-orbit-name{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);font-size:9px;font-weight:800;color:#40574e;white-space:nowrap;background:rgba(255,253,247,.82);border:1px solid rgba(24,49,41,.08);border-radius:999px;padding:4px 7px;box-shadow:0 5px 16px rgba(26,54,43,.04)}
.boundary-status-legend{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;font-size:10px;color:var(--muted);margin-top:-3px}.boundary-status-legend span{display:flex;align-items:center;gap:5px}.legend-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.safe-dot{background:#78a887}.beyond-dot{background:#d6bf67}.high-dot{background:#d78374}
.boundary-status-note{font-size:10px;line-height:1.45;color:var(--muted);text-align:center;max-width:390px;margin:10px auto 5px}.boundary-source{display:block;text-align:center;font-size:10px;font-weight:800;color:var(--green);text-decoration:underline;text-underline-offset:3px}

/* Flat, swipeable Planetary Boundaries carousel */
.boundary-section{padding:74px 0 66px}.boundary-section .section-head{margin-bottom:22px}.boundary-carousel{position:relative}.boundary-carousel-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 12px;color:var(--muted);font-size:11px}.carousel-buttons{display:flex;gap:7px}.carousel-btn{width:40px;height:40px;border-radius:50%;border:1px solid #bfc8be;background:var(--surface);color:var(--ink);cursor:pointer;font-size:18px;transition:.18s ease}.carousel-btn:hover,.carousel-btn:focus-visible{background:var(--ink);color:white;outline:none}.boundary-track{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-behavior:smooth;padding:2px 2px 18px;overscroll-behavior-inline:contain;scrollbar-width:none}.boundary-track::-webkit-scrollbar{display:none}.boundary-track .boundary-card{flex:0 0 clamp(280px,30vw,346px);min-height:218px;scroll-snap-align:start}.boundary-section .hero-actions{margin-top:16px}

/* Mobile Impact Web: Focus Path + Radial Expansion */
.impact-mobile{display:none}
@media(max-width:760px){
  .impact-desktop{display:none!important}
  .impact-mobile{display:block;padding-top:18px}
  .impact-shell{padding:14px;border-radius:24px}
  .impact-toolbar{padding-bottom:12px}.impact-hint{font-size:11px}.impact-toolbar>[data-impact-reset]{display:none}
  .mobile-path{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:4px;margin-bottom:14px}
  .mobile-path-step{min-width:0;border:0;background:transparent;padding:6px 2px;display:grid;grid-template-columns:22px minmax(0,1fr);align-items:center;gap:5px;text-align:left;color:#839088;cursor:pointer}
  .mobile-path-step span{width:22px;height:22px;border-radius:50%;border:1px solid #cbd2ca;display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:900;background:#f8f7f0}.mobile-path-step b{font-size:9px;line-height:1.15;white-space:normal}.mobile-path-step:disabled{cursor:default;opacity:.55}.mobile-path-step.has-value{color:var(--ink)}.mobile-path-step.is-current span{background:var(--green);border-color:var(--green);color:white}.mobile-path-step.is-current b{color:var(--green)}.mobile-path-arrow{font-size:11px;color:#a2aca5}
  .mobile-radial{position:relative;aspect-ratio:1;max-width:350px;margin:0 auto;border-radius:50%;background:radial-gradient(circle at center,rgba(255,253,247,.92) 0 34%,rgba(231,235,225,.52) 35% 35.5%,rgba(255,255,255,0) 36% 100%);overflow:hidden}
  .mobile-radial:after{content:"";position:absolute;inset:12%;border:1px dashed rgba(94,126,98,.23);border-radius:50%;pointer-events:none}
  .mobile-radial-lines{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none}.mobile-radial-line{stroke:#91a692;stroke-width:1.5;fill:none;opacity:.72}.mobile-radial-line.action{stroke:#678b98}
  .mobile-radial-center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:3;width:132px;height:132px;border-radius:50%;background:var(--green);color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:15px;box-shadow:0 14px 34px rgba(33,78,59,.22);border:4px solid rgba(255,255,255,.78)}
  .mobile-center-kicker{text-transform:uppercase;letter-spacing:.11em;font-size:7px;font-weight:900;opacity:.72;margin-bottom:5px}.mobile-radial-center strong{font-family:Georgia,serif;font-weight:400;font-size:20px;line-height:1.02}.mobile-radial-center small{font-size:8px;line-height:1.25;margin-top:6px;opacity:.8;max-width:102px}
  .mobile-satellites{position:absolute;inset:0;z-index:4}.mobile-satellite{position:absolute;transform:translate(-50%,-50%);width:92px;min-height:46px;border:1px solid #c8d1c7;border-radius:15px;background:rgba(255,253,247,.96);box-shadow:0 7px 22px rgba(26,54,43,.08);padding:6px 7px;display:flex;align-items:center;justify-content:center;gap:4px;text-align:center;color:var(--ink);font-size:9px;font-weight:800;line-height:1.12;cursor:pointer;transition:transform .15s ease,background .15s ease}.mobile-satellite:active{transform:translate(-50%,-50%) scale(.96)}.mobile-satellite.boundary{background:#f1f3e9}.mobile-satellite.action{background:#edf4f2;border-color:#bacdca}.mobile-satellite .sat-icon{font-size:11px;color:var(--green)}
  .mobile-impact-caption{font-size:11px;line-height:1.45;color:var(--muted);text-align:center;max-width:310px;margin:6px auto 12px;min-height:34px}.mobile-impact-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid var(--line);padding-top:12px}.mobile-impact-actions .impact-reset{display:inline-flex}.mobile-impact-actions .impact-reset:disabled{opacity:.35;cursor:default}.mobile-learn{font-size:10px;padding:10px 12px;margin-left:auto}
}

@media(max-width:900px){.boundary-status-visual{max-width:430px}.boundary-section{padding-top:66px}.boundary-track .boundary-card{flex-basis:min(78vw,340px)}}
@media(max-width:620px){.hero{padding-top:36px}.hero-visual{max-width:none;width:100%;order:0}.boundary-status-visual{padding:14px 10px 12px;border-radius:24px}.boundary-status-chart{max-width:330px}.pb-orbit-name{font-size:7px;padding:3px 5px}.boundary-status-note{font-size:9px}.boundary-section{padding:58px 0 52px}.boundary-carousel-toolbar>span{max-width:190px}.boundary-track .boundary-card{flex-basis:84vw}.boundary-card{padding:18px}.boundary-card h3{margin-top:20px}}

/* Impact Web v2: Activities → Topics → Boundaries → two action types */
.impact-network{grid-template-columns:minmax(158px,.72fr) minmax(218px,.9fr) minmax(235px,1.08fr);gap:58px;min-height:690px}
.activity-list,.boundary-list,.action-list{display:grid;gap:8px}
.activity-stack{display:grid;gap:7px}
.subtopic-list{display:grid;gap:6px;margin:0 0 5px 18px;padding:2px 0 2px 12px;border-left:1px solid #b8c6ba}
.subtopic-node{min-height:36px;padding:6px 9px;border-radius:13px;background:#f7f5ed;font-size:11px;grid-template-columns:25px minmax(0,1fr)}
.subtopic-node .node-icon{width:23px;height:23px;font-size:10px;background:#eef0e8}
.subtopic-node.is-selected{background:#6d856d;border-color:#6d856d;color:white}
.subtopic-node.is-selected .node-icon{background:rgba(255,255,255,.16);color:white}
.action-lanes{display:grid;gap:13px}
.action-lane{border:1px solid #d5dbd3;border-radius:17px;padding:10px;background:rgba(255,253,247,.78)}
.action-lane-head{padding:2px 3px 9px;display:grid;gap:2px}
.action-lane-head span{font-size:11px;font-weight:900;letter-spacing:.02em;color:var(--ink)}
.action-lane-head small{font-size:9px;color:var(--muted);line-height:1.3}
.contribute-lane{background:rgba(235,244,241,.8);border-color:#c7d7d2}
.action-node{font-size:10.5px;line-height:1.25;min-height:43px;padding:7px 9px;grid-template-columns:26px minmax(0,1fr)}
.action-node .node-icon{width:24px;height:24px;font-size:10px}
.action-node.change .node-icon{background:#e8eed9}.action-node.contribute .node-icon{background:#dfeceb;color:#386472}
.action-empty{font-size:10px;line-height:1.4;color:#78877f;padding:10px;border:1px dashed #cbd3ca;border-radius:12px;background:rgba(255,255,255,.35)}
.impact-line.overview{opacity:.12}.impact-line.action-active.contribute{stroke:#507f8c}.impact-line.action-active.change{stroke:#6e8759}
.impact-detail{min-height:390px}.impact-detail[hidden],.impact-learn[hidden]{display:none}

/* Two visibly different paths into action */
.guide-types{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.guide-type{border-top:4px solid var(--lime);background:rgba(255,253,247,.52);border-radius:0 0 24px 24px;padding:24px}
.guide-type.take-action{border-top-color:#8eb7af;background:rgba(235,244,241,.58)}
.guide-type-head{display:grid;grid-template-columns:1fr .8fr;gap:22px;align-items:end;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:2px}
.guide-type-head h3{font-family:Georgia,serif;font-size:30px;font-weight:400;letter-spacing:-.03em;margin:3px 0 0}.guide-type-head p{font-size:12px;color:var(--muted);margin:0}
.guide-grid.compact{grid-template-columns:1fr 1fr;gap:14px}.guide-grid.compact .guide-card{min-height:320px}.guide-grid.compact .guide-no{font-size:46px}

/* Activity overview and detail topic cards */
.activity-index-grid{grid-template-columns:repeat(2,1fr)}
.activity-index-grid .index-card{align-items:start}.activity-topics{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}.activity-topics span{font-size:10px;border:1px solid #d4dad2;border-radius:999px;padding:4px 7px;color:var(--muted);background:#f7f5ed}
.topic-summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:26px 0 42px}
.topic-summary{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px}.topic-summary .topic-symbol{font-size:24px;color:var(--moss)}.topic-summary h3{margin:10px 0 7px}.topic-summary p{font-size:13px;color:var(--muted);margin:0}.topic-actions{display:grid;gap:8px;margin-top:14px}.topic-action{font-size:11px;line-height:1.35;border-radius:11px;padding:9px 10px;background:#eef1e6}.topic-action.contribute{background:#e8f1ef}.topic-action b{display:block;font-size:9px;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}

@media(max-width:1050px){
  .impact-network{gap:36px;grid-template-columns:minmax(150px,.72fr) minmax(210px,.9fr) minmax(215px,1fr)}
  .guide-types{grid-template-columns:1fr}.guide-grid.compact{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .mobile-path{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);gap:2px;overflow:hidden}
  .mobile-path-step{grid-template-columns:19px minmax(0,1fr);gap:3px;padding:5px 0}.mobile-path-step span{width:19px;height:19px}.mobile-path-step b{font-size:8px}.mobile-path-arrow{font-size:9px}
  .mobile-radial{max-width:360px}.mobile-satellite{width:84px;min-height:43px;padding:5px 6px;font-size:8.5px}.mobile-satellite small{display:block;font-size:6.5px;text-transform:uppercase;letter-spacing:.05em;color:#6a7c74;margin-top:2px}.mobile-satellite.action{display:grid;gap:1px}.mobile-satellite.action.contribute{background:#e7f1ef;border-color:#afc9c3}.mobile-radial-line.contribute{stroke:#507f8c}
  .mobile-radial-center{width:128px;height:128px}.mobile-radial-center strong{font-size:18px}.mobile-radial-center small{font-size:7.5px}
  .topic-summary-grid{grid-template-columns:1fr}.guide-type-head{grid-template-columns:1fr}.guide-grid.compact{grid-template-columns:1fr}.guide-type{padding:20px}
}