:root{--ink:#17372a;--green:#0d633b;--green2:#1f7a4d;--sage:#eef6ef;--paper:#fff;--bg:#f8faf7;--line:#dce7df;--muted:#51645a;--red:#d84d42;--orange:#e27a21;--purple:#7451bf;--shadow:0 18px 50px rgba(22,65,43,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:132px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.65}a{color:inherit}svg{stroke-width:1.8}.path-nav{position:sticky;top:72px;z-index:50;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(14px)}.path-nav-inner{display:flex;width:min(1120px,calc(100% - 32px));height:56px;align-items:stretch;justify-content:center;gap:4px;margin:auto;overflow-x:auto}.path-nav a{display:flex;min-width:max-content;align-items:center;gap:8px;padding:0 24px;border-bottom:2px solid transparent;text-decoration:none;font-size:.92rem;font-weight:800;color:#53675d}.path-nav a svg{width:17px}.path-nav a:hover,.path-nav a.is-active{border-color:var(--green2);color:var(--green2)}
.principles-hero{position:relative;min-height:720px;overflow:hidden;background:#fff}.principles-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.hero-inner{position:relative;width:min(1500px,calc(100% - 72px));min-height:720px;margin:auto;display:flex;align-items:center}.hero-copy{width:min(760px,54%);padding:60px 0}.eyebrow{margin:0 0 18px;color:var(--green2);font-weight:850;letter-spacing:.14em}.hero-copy h1{margin:0;color:#064d2c;font-size:clamp(3.2rem,5.1vw,5.8rem);line-height:1.16;letter-spacing:-.045em}.botanical-rule{display:block;width:124px;height:2px;margin:42px 0;background:var(--green2)}.hero-copy>p:not(.eyebrow){max-width:680px;margin:0 0 12px;color:#283c32;font-size:clamp(1.05rem,1.45vw,1.35rem);line-height:2}.hero-link{display:inline-flex;align-items:center;gap:13px;margin-top:46px;color:var(--green2);font-size:1.22rem;font-weight:850;text-decoration:none}.hero-link svg{width:28px}.section-shell{width:min(1500px,calc(100% - 72px));margin:auto;padding:96px 0}.section-shell h2,.start h2{margin:0;text-align:center;color:#0a5b35;font-size:clamp(2rem,3.2vw,3.45rem);line-height:1.2}.section-lede{max-width:900px;margin:18px auto 44px;text-align:center;color:var(--muted);font-size:1.1rem}.section-kicker{display:flex;align-items:center;justify-content:center;gap:18px;margin-bottom:20px;font-size:1rem}.section-kicker span{width:120px;height:1px;background:#a8c7b1}.panorama-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:36px}.flow-column{min-width:0;border:1px solid #cfe0d4;border-radius:24px;background:rgba(255,255,255,.8);padding:30px 26px}.flow-column h3{margin:0;text-align:center;font-size:1.55rem}.flow-column>p{margin:4px 0 24px;text-align:center}.flow-column ul{display:grid;gap:14px;margin:0;padding:0;list-style:none}.flow-column li{display:flex;gap:12px;align-items:center}.flow-column li>svg,.mechanism>svg{flex:0 0 auto;width:48px;height:48px;border:1px solid #c9ddcf;border-radius:50%;padding:12px;color:var(--green2)}.flow-column b,.flow-column small{display:block}.flow-column small{color:var(--muted);font-size:.84rem}.flow-column--stress{border-color:#f3c8c2;background:#fffafa}.mechanism-stack{display:grid;gap:20px}.mechanism{display:flex;align-items:center;gap:13px;border:1px solid;border-radius:18px;padding:20px}.mechanism.red{color:var(--red);background:#fff7f6}.mechanism.orange{color:var(--orange);background:#fffaf4}.mechanism.purple{color:var(--purple);background:#faf8ff}.mechanism small{color:#4d5f56}.key-insight{display:flex;align-items:center;gap:12px;margin:32px 0 0;border:1px solid var(--line);border-radius:16px;background:#f5faf5;padding:19px 28px}.key-insight svg{width:28px;color:var(--green2)}
.mechanism-section{border-top:1px solid #e9eeea}.inflammation-top{display:grid;grid-template-columns:1fr 260px;gap:28px}.curve-comparison{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:24px;background:#fff}.curve-panel{padding:26px}.curve-panel+ .curve-panel{border-left:1px solid var(--line)}.curve-panel h3,.curve-panel p{text-align:center;margin:0}.curve-panel svg{width:100%;height:auto}.axis{fill:none;stroke:#bcc9c0}.curve{fill:none;stroke-width:4}.curve.green{stroke:var(--green2)}.curve.coral{stroke:var(--red)}.red-text{color:var(--red)}.curve-labels{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted)}.conclusion{display:grid;place-items:center;border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,#fff,#f0f7f1);padding:26px;text-align:center}.conclusion h3,.conclusion p{margin:0}.conclusion svg{width:36px;margin:22px;color:var(--green2)}.conclusion p{font-size:1.25rem;font-weight:750}.stimulus-map{display:grid;grid-template-columns:1fr 180px 1fr;grid-template-areas:"a c b" "d c e";gap:24px;margin-top:34px;border:1px solid var(--line);border-radius:24px;background:#fff;padding:34px}.stimulus-map article{display:grid;grid-template-columns:auto 1fr;column-gap:16px}.stimulus-map article:nth-child(1){grid-area:a}.stimulus-map article:nth-child(2){grid-area:b}.stimulus-map article:nth-child(4){grid-area:d}.stimulus-map article:nth-child(5){grid-area:e}.stimulus-map article>svg{grid-row:1/3;width:62px;height:62px;border:1px solid #c7ddcd;border-radius:50%;padding:14px;color:var(--green2)}.stimulus-map h3,.stimulus-map p{margin:0}.stimulus-map p{color:var(--muted)}.stimulus-center{grid-area:c;align-self:center;display:grid;place-items:center;aspect-ratio:1;border:1px solid #bad3c1;border-radius:50%;background:radial-gradient(circle,#fff 0,#e9f4eb 70%);font-size:1.4rem;font-weight:850}.stimulus-center svg{width:30px}
.balance-layout{display:grid;grid-template-columns:1fr 1.4fr 1fr;gap:24px;align-items:center}.factor-list{display:grid;gap:12px;border:1px solid;border-radius:22px;padding:28px}.factor-list h3{margin:0 0 8px}.factor-list span{padding:9px 0;border-top:1px solid currentColor}.pressure{color:#b84d3d;background:#fff8f6;border-color:#efc6bf}.defense{color:#236d47;background:#f6fbf7;border-color:#cfe0d4}.balance-core{text-align:center}.balance-title{display:flex;justify-content:center;align-items:center;gap:42px;font-size:1.55rem}.balance-title strong{font-size:2rem}.balance-visual{position:relative;margin-top:22px}.balance-visual svg{width:270px;height:270px;color:#6a8c78}.balance-visual span{position:absolute;right:18%;bottom:24%;left:18%;height:10px;border-radius:999px;background:linear-gradient(90deg,var(--orange),#efb98e 42%,#9cc4a8 58%,var(--green2))}.state-flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:18px;align-items:center;margin-top:42px}.state-flow>div{display:grid;gap:6px;border:1px solid var(--line);border-radius:16px;background:#f7faf7;padding:20px;text-align:center}.state-flow span{color:var(--muted)}.state-flow .warm,.state-flow .hot{border-color:#f2d1c7;background:#fff8f5}.state-flow .warm b,.state-flow .hot b{color:var(--red)}.deep-dive{margin-top:26px;border:1px solid var(--line);border-radius:16px;background:#fff}.deep-dive summary{display:flex;align-items:center;justify-content:space-between;padding:20px 26px;font-size:1.15rem;font-weight:850;cursor:pointer}.deep-dive summary::marker{display:none}.ros-flow{display:flex;align-items:center;justify-content:center;gap:18px;border-top:1px solid var(--line);padding:22px}.ros-flow span{font-weight:750}
.equation{margin:20px 0 36px;text-align:center;font-size:2.2rem;font-weight:900;letter-spacing:.08em}.equation span{margin:0 24px;color:var(--green2)}.glycation-flow{display:flex;align-items:center;justify-content:center;gap:28px;border:1px solid var(--line);border-radius:24px;background:#fff;padding:30px}.glycation-flow>div{display:grid;place-items:center;gap:3px;min-width:150px;text-align:center}.glycation-flow svg{width:48px;height:48px;color:var(--green2)}.glycation-flow small{color:var(--muted)}.glycation-flow .ages,.glycation-flow .ages svg{color:var(--red)}.source-split{display:grid;grid-template-columns:1fr auto 1fr;gap:32px;align-items:center;margin-top:34px}.source-split article{border:1px solid var(--line);border-radius:22px;background:#f8fbf8;padding:30px;text-align:center}.source-split h3{margin:0;font-size:1.5rem}.source-split p{color:var(--muted)}.source-split article div{display:flex;justify-content:center;gap:12px}.source-split article span{border-top:1px solid #bdd2c2;padding:12px}.source-split>strong{display:grid;place-items:center;width:150px;aspect-ratio:1;border:1px solid #bfd5c6;border-radius:50%;background:#f1f8f2;text-align:center}.source-split .food-source{background:#fff9f6}.source-split .food-source h3{color:var(--red)}
.connections{background:#f1f6f1;border-block:1px solid #dae7dd}.connections .section-shell{padding-bottom:70px}.connection-map{position:relative;width:min(900px,100%);height:620px;margin:0 auto}.node{position:absolute;display:grid;place-items:center;width:270px;aspect-ratio:1;border:2px solid;border-radius:50%;background:rgba(255,255,255,.8);text-align:center;box-shadow:inset 0 0 0 12px rgba(255,255,255,.45),0 15px 40px rgba(44,78,58,.08)}.node h3,.node p{margin:0}.node>svg{width:48px}.node.red{top:0;left:80px;color:var(--red);border-color:#e9aaa3}.node.orange{top:0;right:80px;color:var(--orange);border-color:#efc089}.node.purple{bottom:0;left:315px;color:var(--purple);border-color:#c6b8e4}.node.center{top:178px;left:315px;z-index:2;width:270px;color:var(--green);border-color:#9abfa5;background:#eaf4eb}.impact-row{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}.impact-row span{display:grid;place-items:center;text-align:center}.impact-row svg{width:42px;height:42px;margin-bottom:8px;color:var(--green2)}.impact-row b,.impact-row small{display:block}.impact-row small{color:var(--muted)}
.life-timeline{display:grid;grid-template-columns:repeat(6,1fr);margin:50px 0}.life-timeline span{position:relative;border-top:2px solid #9bbba5;padding:24px 12px 0;text-align:center;font-size:1.2rem;font-weight:850}.life-timeline span::before{position:absolute;top:-8px;left:50%;width:14px;height:14px;border-radius:50%;background:var(--green2);content:""}.life-timeline small{display:block;margin-top:8px;color:var(--muted);font-size:.82rem;font-weight:500}.aging blockquote{max-width:1000px;margin:20px auto 90px;border-left:4px solid var(--green2);background:#eef6ef;padding:24px 32px;font-size:1.3rem;font-weight:750}.levers{position:relative;width:min(900px,100%);height:500px;margin:40px auto 0}.lever-center,.levers>span{position:absolute;display:grid;place-items:center;border:1px solid #bcd4c2;border-radius:50%;background:#fff;text-align:center;font-size:1.2rem;font-weight:850}.lever-center{top:145px;left:335px;width:230px;aspect-ratio:1;background:#e9f4ea}.lever-center svg{width:36px}.levers>span{width:150px;aspect-ratio:1}.levers>span:nth-of-type(1){top:0;left:375px}.levers>span:nth-of-type(2){top:90px;right:60px}.levers>span:nth-of-type(3){bottom:20px;right:180px}.levers>span:nth-of-type(4){bottom:20px;left:180px}.levers>span:nth-of-type(5){top:90px;left:60px}.levers>span.supplement-orbit{right:0;bottom:0;width:180px;border-style:dashed;color:#6b5a80}.supplement-orbit small{padding:0 18px;font-size:.72rem}
.start{background:#fff}.food-banner{text-align:center;padding-top:90px}.food-banner h2{font-size:clamp(2rem,3vw,3rem)}.food-banner p{color:var(--muted);font-size:1.05rem}.food-banner img{display:block;width:100%;height:300px;object-fit:cover;margin-top:28px}.start-content{padding-top:0}.food-paths{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:0 0 24px 24px;background:#fff;box-shadow:var(--shadow)}.food-paths a{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;padding:28px 34px;text-decoration:none}.food-paths a+a{border-left:1px solid var(--line)}.food-paths svg{grid-row:1/3;width:46px;height:46px;color:var(--green2)}.food-paths b{font-size:1.15rem}.food-paths span{color:var(--green2)}.supplement-place,.topic-reading,.next-doors,.evidence{padding-top:100px;text-align:center}.supplement-place>p,.topic-reading>p{color:var(--muted)}.supplement-place{display:grid;grid-template-columns:1fr 1fr;gap:20px 80px}.supplement-place h2,.supplement-place>p{grid-column:1/-1}.pyramid{display:flex;flex-direction:column;align-items:center;justify-content:end}.pyramid div{border:1px solid #bfd5c6;background:#f2f7f2;padding:15px;text-align:center}.pyramid div:nth-child(1){width:40%}.pyramid div:nth-child(2){width:60%}.pyramid div:nth-child(3){width:80%}.pyramid div:nth-child(4){width:100%}.supplement-links{display:grid;align-content:center;gap:18px}.supplement-links a{display:flex;justify-content:space-between;border:1px solid #afd0b9;border-radius:999px;padding:14px 22px;color:var(--green);text-decoration:none}.topic-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:36px;text-align:left}.topic-columns article{border-top:3px solid;padding:24px}.topic-columns h3{font-size:1.25rem}.topic-columns a{display:block;border-top:1px solid var(--line);padding:16px 0;text-decoration:none;font-weight:750}.topic-columns small{display:block;color:var(--muted);font-weight:500}.topic-columns .red{border-color:var(--red)}.topic-columns .orange{border-color:var(--orange)}.topic-columns .purple{border-color:var(--purple)}.next-doors>div{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:32px}.door{position:relative;display:grid;align-content:end;min-height:430px;overflow:hidden;border-radius:120px 120px 28px 28px;background:#eef5ef;padding:34px;text-decoration:none}.door img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.48}.door>*:not(img){position:relative}.door>svg{width:88px;height:88px;justify-self:center;margin-bottom:70px;color:var(--green)}.door b{font-size:1.55rem}.door span{min-height:52px}.door em{margin-top:18px;border-radius:999px;background:var(--green);padding:12px;color:#fff;font-style:normal}.article-door{background:#f4ede0}.evidence{margin-top:100px;border-radius:24px;background:#eef5ef;padding:42px}.evidence div{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin:30px 0}.evidence span{display:grid;place-items:center;border-radius:14px;background:#fff;padding:20px}.evidence svg{width:32px;color:var(--green2)}.evidence b,.evidence small{display:block}.evidence a{color:var(--green);font-weight:850;text-decoration:none}
footer{border-top:1px solid var(--line);background:#fff;padding:30px}footer .container{display:flex;justify-content:space-between;gap:20px}.footer-links{display:flex;gap:18px}
@media(max-width:1100px){.panorama-grid{grid-template-columns:repeat(2,1fr)}.connection-map{transform:scale(.85);transform-origin:top center;margin-bottom:-90px}.impact-row{grid-template-columns:repeat(3,1fr)}.path-nav a{padding:0 16px}.balance-layout{grid-template-columns:1fr}.balance-core{order:-1}.hero-copy h1{font-size:clamp(3rem,6vw,5rem)}}
@media(max-width:760px){html{scroll-padding-top:118px}.path-nav{top:62px}.path-nav-inner{justify-content:flex-start;height:52px}.path-nav a{padding:0 13px;font-size:.82rem}.principles-hero,.hero-inner{min-height:720px}.principles-hero>img{opacity:.34;object-position:72% center}.hero-inner,.section-shell{width:min(100% - 32px,1500px)}.hero-copy{width:100%;padding:58px 0}.hero-copy h1{font-size:clamp(2.55rem,11vw,4rem)}.hero-copy>p:not(.eyebrow){font-size:1rem;line-height:1.8}.section-shell{padding:68px 0}.section-shell h2,.start h2{font-size:2rem}.section-lede{font-size:1rem;margin-bottom:30px}.section-kicker span{width:28px}.panorama-grid{grid-template-columns:1fr;gap:18px}.inflammation-top{grid-template-columns:1fr}.curve-comparison{grid-template-columns:1fr}.curve-panel+.curve-panel{border-left:0;border-top:1px solid var(--line)}.stimulus-map{grid-template-columns:1fr;grid-template-areas:"c" "a" "b" "d" "e";padding:22px}.stimulus-center{width:150px;justify-self:center}.balance-layout{grid-template-columns:1fr}.state-flow{grid-template-columns:1fr}.state-flow>svg{transform:rotate(90deg);justify-self:center}.ros-flow{align-items:stretch;flex-direction:column}.ros-flow>svg{transform:rotate(90deg);align-self:center}.glycation-flow{align-items:stretch;flex-direction:column}.glycation-flow>svg{transform:rotate(90deg);align-self:center}.source-split{grid-template-columns:1fr}.source-split>strong{width:130px;justify-self:center}.connection-map{height:760px;transform:none;margin:0}.node{width:190px}.node.red{top:0;left:0}.node.orange{top:0;right:0}.node.purple{bottom:0;left:calc(50% - 95px)}.node.center{top:275px;left:calc(50% - 95px);width:190px}.impact-row{grid-template-columns:repeat(2,1fr)}.life-timeline{grid-template-columns:1fr}.life-timeline span{border-top:0;border-left:2px solid #9bbba5;padding:8px 0 24px 28px;text-align:left}.life-timeline span::before{top:12px;left:-8px}.levers{height:auto;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.lever-center,.levers>span{position:static;width:auto;aspect-ratio:auto;border-radius:18px;padding:24px}.lever-center{grid-column:1/-1}.levers>span.supplement-orbit{width:auto}.food-banner{padding-top:68px}.food-banner img{height:210px}.food-paths,.supplement-place,.topic-columns,.next-doors>div,.evidence div{grid-template-columns:1fr}.food-paths a+a{border-left:0;border-top:1px solid var(--line)}.supplement-place{gap:26px}.supplement-place h2,.supplement-place>p{grid-column:auto}.door{min-height:380px}.evidence{padding:28px 20px}.evidence span{grid-template-columns:auto 1fr;text-align:left}.evidence svg{grid-row:1/3}footer .container{flex-direction:column}.footer-links{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Fidelity pass: match the supplied desktop prototypes. */
@media(min-width:1101px){
  .hero-inner,.section-shell{width:min(1600px,calc(100% - 72px))}
  .section-shell{padding:90px 0}
  .section-shell h2,.start h2{font-size:clamp(2rem,2.8vw,3rem);letter-spacing:.01em}
  .section-lede{max-width:960px}
  .panorama-grid{gap:40px}
  .panorama-grid::before{position:absolute;top:50%;right:8%;left:8%;height:2px;background:linear-gradient(90deg,rgba(31,122,77,.08),rgba(31,122,77,.55) 38%,rgba(226,122,33,.55) 62%,rgba(216,77,66,.08));content:""}
  .flow-column{position:relative;z-index:1;min-height:560px;background:rgba(255,255,255,.96)}
  .flow-column>p{margin-bottom:30px}
  .flow-column ul{gap:20px}
  .flow-column li{gap:14px}
  .flow-column li>svg,.mechanism>svg{width:52px;height:52px;padding:13px}
  .flow-column b{font-size:1.02rem}
  .mechanism-stack{gap:24px}
  .mechanism{min-height:118px;border-radius:20px;padding:22px}
  .balance-layout{grid-template-columns:minmax(260px,1fr) minmax(340px,1.35fr) minmax(260px,1fr);gap:34px}
  .factor-list{min-height:430px;gap:0;border-radius:24px;padding:30px}
  .factor-list h3{margin-bottom:18px;font-size:1.25rem}
  .factor-list span{display:flex;min-height:62px;align-items:center;gap:13px;padding:10px 0;font-size:1.02rem}
  .factor-list span svg{width:36px;height:36px;border:1px solid currentColor;border-radius:50%;padding:8px}
  .balance-title{gap:46px;font-size:1.65rem}
  .balance-visual{margin-top:8px}
  .balance-visual svg{width:360px;height:360px}
  .balance-visual span{right:12%;bottom:20%;left:12%}
  .state-flow{gap:28px}
  .state-flow>div{min-height:100px;place-content:center;border-radius:18px}
  .connection-map{width:min(1180px,100%);height:780px}
  .connection-map::before,.connection-map::after{position:absolute;top:250px;left:50%;width:520px;height:360px;border:1px solid rgba(82,126,98,.14);border-radius:50%;content:"";transform:translateX(-50%) rotate(25deg)}
  .connection-map::after{transform:translateX(-50%) rotate(-25deg)}
  .node{z-index:1;display:flex;width:330px;flex-direction:column;align-items:center;justify-content:center;gap:14px}
  .node h3{font-size:1.55rem}
  .node.red{top:30px;left:80px}
  .node.orange{top:30px;right:80px}
  .node.purple{right:calc(50% - 145px);bottom:0;left:auto;width:290px}
  .node.center{top:275px;left:calc(50% - 145px);z-index:3;width:290px}
  .node.center h3{font-size:1.7rem}
  .relation{position:absolute;z-index:4;color:#5c6f64;font-size:.84rem;line-height:1.5;text-align:center}
  .relation-a{top:102px;left:calc(50% - 95px)}
  .relation-b{top:430px;right:82px}
  .relation-c{top:430px;left:82px}
  .impact-row{margin-top:12px}
}
@media(max-width:1100px){.relation{display:none}}

/* Final construction drawing alignment — desktop first. */
section[id]{scroll-margin-top:140px}
.path-nav a+a{position:relative}.path-nav a+a::before{position:absolute;left:0;width:1px;height:18px;background:#e5e9e6;content:""}
.overview-connections{position:absolute;inset:0;z-index:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.overview-connections path{fill:none;stroke-width:1.35;opacity:.55}.overview-connections .green-lines path{stroke:#82af91}.overview-connections .warm-lines path{stroke:#e4a061}.overview-connections .red-lines path{stroke:#ed857c}.overview-connections circle{opacity:.88}
.cycle-arrows{height:0;margin:-18px 0 -4px;color:#cf473d;font-weight:900;text-align:center}
.stimulus-map{position:relative;overflow:hidden}.stimulus-map>*:not(.stimulus-arrows){position:relative;z-index:1}.stimulus-arrows{position:absolute;inset:18px 10%;z-index:0;width:80%;height:calc(100% - 36px)}.stimulus-arrows path{fill:none;stroke:#83b091;stroke-width:1.4;marker-end:url(#stimArrow)}
.balance-visual>svg{overflow:visible}.balance-visual .scale-stroke{fill:none;stroke:#759985;stroke-width:8;stroke-linecap:round;stroke-linejoin:round}.balance-visual circle{fill:#9cb9a7;stroke:#71927f;stroke-width:6}.balance-visual .scale-accent{fill:none;stroke-width:12}.balance-visual .warm{stroke:#da7143}.balance-visual .cool{stroke:#2b8558}.ros-note{margin:0;border-top:1px solid var(--line);padding:0 24px 20px;text-align:center;color:var(--muted)}
.connections{position:relative;overflow:hidden;border:0;background:#063b2f;color:#f5fff9}.connections::before,.connections::after{position:absolute;width:720px;height:720px;border:1px solid rgba(164,210,182,.08);border-radius:50%;content:""}.connections::before{top:-250px;left:-180px}.connections::after{right:-220px;bottom:-360px}.connections h2{color:#fff}.connections .section-lede{color:#cfe1d7}.connections .node{border-color:rgba(255,255,255,.25);background:rgba(8,44,36,.62);box-shadow:inset 0 0 0 10px rgba(255,255,255,.025),inset 0 0 46px currentColor,0 0 36px rgba(255,255,255,.06)}.connections .node.red{color:#ff9688;border-color:rgba(255,129,111,.5)}.connections .node.orange{color:#ffc174;border-color:rgba(255,184,82,.5)}.connections .node.purple{color:#d2b9ff;border-color:rgba(171,139,230,.55)}.connections .node.center{color:#075d38;border-color:#a7d5b5;background:radial-gradient(circle,#fff 0,#dcefe2 55%,rgba(137,197,156,.25) 72%,rgba(137,197,156,.05) 100%);box-shadow:0 0 22px #bce4c8,0 0 80px rgba(110,194,139,.55)}.connections .relation{color:#d7e8dc}.connections .connection-map::before,.connections .connection-map::after{border-color:rgba(210,236,219,.16)}.connections .impact-row svg{color:#d9f2e2}.connections .impact-row small{color:#c4d8cb}.connections .impact-row span{position:relative}.connections .impact-row svg{box-sizing:content-box;border:1px solid rgba(255,255,255,.15);border-radius:50%;background:rgba(255,255,255,.05);padding:14px}
.life-timeline span{display:flex;flex-direction:column;align-items:center}.life-timeline span>svg{width:30px;height:44px;margin-top:-70px;margin-bottom:22px;color:#87aa94}.life-timeline span::before{display:none}.aging-cards{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:1040px;margin:20px auto 24px}.aging-cards article{display:flex;align-items:center;gap:22px;border:1px solid var(--line);border-radius:20px;background:#fff;padding:28px 32px;box-shadow:0 12px 34px rgba(23,55,42,.04)}.aging-cards svg{flex:0 0 auto;width:46px;height:46px;border:1px solid #c5dbc9;border-radius:50%;padding:11px;color:var(--green2)}.aging-cards h3,.aging-cards p{margin:0}.aging-cards p{color:var(--muted)}.aging-note{display:flex;justify-content:center;align-items:center;gap:12px;margin:0 0 90px;color:var(--muted);text-align:center}.aging-note svg{width:20px;color:var(--green2)}
@media(min-width:1101px){
  .principles-hero,.hero-inner{min-height:680px}.hero-copy{width:58%}.hero-copy h1{font-size:clamp(3.4rem,4.35vw,5.05rem);line-height:1.2}.hero-copy>p:not(.eyebrow){font-size:1.2rem}.eyebrow{display:none}
  .panorama-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:80px}.flow-column{min-height:555px}.panorama-grid::before{display:none}.mechanism-stack{gap:18px}.mechanism{min-height:108px}
  .connections .section-shell{padding-top:72px}.connections .connection-map{height:760px}.connections .node.red{top:35px;left:110px}.connections .node.orange{top:35px;right:110px}.connections .node.center{top:260px}.connections .node.purple{bottom:10px}.connections .impact-row{padding:20px 0 2px}
  .aging .section-lede{max-width:760px}.life-timeline{margin:110px 0 70px}
}
@media(max-width:1100px){.overview-connections{display:none}.cycle-arrows{display:none}.stimulus-arrows{opacity:.45}.connections{min-height:auto}.aging-cards{grid-template-columns:1fr}.life-timeline span>svg{margin:0 0 8px}.path-nav a+a::before{display:none}}
@media(max-width:760px){section[id]{scroll-margin-top:122px}.stimulus-arrows{display:none}.connections .node{background:rgba(8,44,36,.78)}.aging-cards article{padding:22px}.aging-note{margin-bottom:64px}.path-nav-inner{width:100%}}
.relationship-lines{position:absolute;inset:0;z-index:0;width:100%;height:100%;overflow:visible}.relationship-lines path{fill:none;stroke:#e7c99c;stroke-width:1.2;stroke-dasharray:4 4;opacity:.82;marker-end:url(#relArrow)}