:root{--ink:#102b3a;--ink-2:#183d4c;--muted:#62757a;--paper:#f5f7f3;--white:#fff;--line:#dce5df;--blue:#2b9eae;--cyan:#6bd1d1;--green:#9bbd9e;--sand:#e9c99a;--font:'DM Sans',sans-serif;--display:'Manrope',sans-serif;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.container{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.skip-link{position:absolute;left:-999px;top:8px;background:#fff;padding:12px;z-index:100}.skip-link:focus{left:8px}.site-header{height:82px;background:rgba(248,250,246,.94);border-bottom:1px solid rgba(16,43,58,.08);position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}.nav-wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:34px;height:34px;border:1px solid #9cbab3;border-radius:50%;display:flex;align-items:center;justify-content:center;gap:3px;transform:rotate(-25deg)}.brand-mark span{width:3px;border-radius:4px;background:var(--blue)}.brand-mark span:nth-child(1){height:11px}.brand-mark span:nth-child(2){height:19px}.brand-mark span:nth-child(3){height:14px}.brand-name{font:800 12px var(--display);letter-spacing:.12em}.brand-name b{color:var(--blue)}.brand-name small{display:block;font:600 8px var(--font);letter-spacing:.16em;color:#73858a;margin-top:3px}.primary-nav{display:flex;align-items:center;gap:34px;font-size:12px;font-weight:600;color:#496068}.primary-nav>a:not(.nav-cta):hover,.text-link:hover,.inline-link:hover{color:var(--blue)}.nav-cta{padding:13px 17px;background:var(--ink);color:#fff;border-radius:3px}.nav-cta span{margin-left:10px;color:var(--cyan)}.menu-toggle{display:none}.hero{position:relative;overflow:hidden;background:var(--ink);color:#f4f7f1;min-height:670px;padding:82px 0 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5px}.note-line{width:27px;height:1px;background:#6bd1d1}.hero-art{height:510px;position:relative;display:flex;align-items:center;justify-content:center}.city-illustration{position:relative;z-index:2;width:100%;max-width:700px;filter:drop-shadow(0 20px 28px rgba(0,0,0,.12))}.art-orbit{position:absolute;border:1px solid rgba(110,207,205,.2);border-radius:50%;transform:rotate(-22deg)}.orbit-one{width:540px;height:300px}.orbit-two{width:650px;height:390px;transform:rotate(22deg);border-style:dashed;opacity:.5}.art-label{position:absolute;z-index:3;font-size:8px;letter-spacing:.17em;color:#b8d2ca}.label-top{top:55px;right:4px;display:flex;align-items:center;gap:10px}.label-bottom{bottom:33px;left:30px}.label-icon{font-size:16px;color:var(--cyan)}.art-coordinate{position:absolute;right:0;bottom:0;font-size:8px;letter-spacing:.14em;color:#73969a}.hero-bottom{position:relative;display:flex;align-items:center;gap:14px;color:#6e9297;font-size:8px;letter-spacing:.18em}.hero-bottom-line{width:50px;height:1px;background:#4a7c83}.section-pad{padding:112px 0}.intro-section{background:#f7f8f4}.intro-grid{display:grid;grid-template-columns:1fr .8fr;gap:100px;align-items:start}.section-kicker{color:#4a9aa2;margin-bottom:24px}h2{font:700 clamp(32px,4vw,49px)/1.16 var(--display);letter-spacing:-.055em;margin-bottom:0;max-width:570px}h2 em{color:#3c9ca5}.intro-text{padding-top:35px}.intro-text p,.roadmap-intro>p{font-size:13px;line-height:1.9;color:#5f7174}.inline-link{display:inline-flex;gap:18px;align-items:center;margin-top:14px;font-size:11px;font-weight:700;color:#258d98}.principle-row{display:grid;grid-template-columns:repeat(3,1fr);margin-top:85px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.principle{padding:25px 25px 25px 0;display:grid;grid-template-columns:36px 1fr;column-gap:12px;align-items:center;border-right:1px solid var(--line)}.principle:not(:first-child){padding-left:28px}.principle:last-child{border:0}.principle>span{grid-row:span 2;color:#49a5ad;font:700 12px var(--display)}.principle b{font:700 13px var(--display)}.principle small{font-size:10px;color:#77888a;margin-top:5px}.pillars-section{background:#eaf0eb}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:45px;margin-bottom:45px}.section-heading>p{max-width:290px;font-size:12px;line-height:1.8;color:#65787b;margin:0 0 5px}.pillar-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.pillar-card{min-height:300px;background:#fbfcf8;padding:25px 25px 22px;display:flex;flex-direction:column;border:1px solid rgba(16,43,58,.06);transition:transform .25s,box-shadow .25s}.pillar-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px rgba(16,43,58,.07)}.pillar-featured{background:var(--ink);color:#f2f6f0;grid-row:span 2;min-height:614px;position:relative;overflow:hidden}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px}.card-number{font:700 11px var(--display);color:#7e9998}.card-icon{font:400 25px var(--display);color:#369ba5}.pillar-featured .card-icon{color:var(--cyan)}.card-tag{font-size:8px;color:#4c9ca3;margin-bottom:13px}.pillar-featured .card-tag{color:#86c7c5}.pillar-card h3{font:700 20px/1.25 var(--display);letter-spacing:-.04em;margin-bottom:11px}.pillar-card p{font-size:11px;line-height:1.8;color:#718184;margin-bottom:22px}.pillar-featured p{color:#afc1be;max-width:290px}.card-link{display:flex;align-items:center;justify-content:space-between;margin-top:auto;border-top:1px solid var(--line);padding-top:15px;font-size:10px;font-weight:700;color:#347f87}.pillar-featured .card-link{border-color:rgba(255,255,255,.17);color:#b4dfd9}.card-link span{font-size:15px}.mini-map{height:240px;margin:-10px -5px 26px;position:relative;opacity:.9;background:linear-gradient(28deg,transparent 48%,rgba(107,209,209,.28) 49%,rgba(107,209,209,.28) 50%,transparent 51%),linear-gradient(145deg,transparent 47%,rgba(107,209,209,.18) 48%,rgba(107,209,209,.18) 49%,transparent 50%),repeating-linear-gradient(0deg,transparent 0 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1.15fr;gap:100px}.roadmap-intro>p{max-width:390px;margin-top:25px}.roadmap-caveat{margin-top:28px;padding:15px 17px;border-left:2px solid #4da8ad;background:#edf3ef;color:#64787a;font-size:10px;line-height:1.7;max-width:390px}.timeline{border-top:1px solid var(--line)}.timeline-item{display:grid;grid-template-columns:44px 1fr auto;gap:17px;align-items:start;padding:22px 0;border-bottom:1px solid var(--line)}.timeline-no{font:700 13px var(--display);color:#4ca4aa;padding-top:3px}.timeline-item h3{font:700 14px var(--display);margin-bottom:7px}.timeline-item p{font-size:10px;line-height:1.7;color:#758487;margin:0}.timeline-state{font-size:8px;letter-spacing:.13em;color:#3c8c8f;border:1px solid #b5d2cb;padding:6px 8px}.closing-section{background:#dcebe5;padding:92px 0}.closing-grid{display:grid;grid-template-columns:1fr .65fr;gap:80px;align-items:center}.closing-grid h2{max-width:630px}.author-card{display:flex;gap:18px;align-items:center;border-left:1px solid #b8d0c7;padding:15px 0 15px 25px}.author-avatar{width:54px;height:54px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:#b9e1d9;font:700 14px var(--display)}.author-label{font-size:8px;color:#4a9698}.author-card h3{font:700 18px var(--display);margin:6px 0}.author-card p{font-size:10px;color:#687c7b;margin:0}.site-footer{background:#102b3a;color:#e8f0e9;padding:50px 0 20px}.footer-main{display:grid;grid-template-columns:.8fr 1fr 1fr;gap:55px;align-items:start;padding-bottom:42px}.footer-brand .brand-name{color:#eff5ee}.footer-main>p{font-size:10px;line-height:1.8;color:#a7bcba;max-width:330px;margin:0}.footer-links{display:grid;gap:12px}.footer-links a{font-size:10px;color:#a8c8c2}.footer-links a:hover{color:var(--cyan)}.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding-top:18px;display:flex;justify-content:space-between;font-size:9px;color:#78999b}.footer-bottom a{color:#b9d9d2}
@media(max-width:900px){.primary-nav{gap:18px}.hero-layout{grid-template-columns:1fr 1fr}.hero-art{height:430px}.intro-grid,.roadmap-layout{gap:55px}.pillar-grid{grid-template-columns:repeat(2,1fr)}.pillar-featured{grid-row:span 2}.closing-grid{gap:35px}.footer-main{gap:25px}}
@media(max-width:680px){.container{width:min(100% - 40px,var(--max))}.site-header{height:70px}.menu-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:0;padding:10px}.menu-toggle span{width:22px;height:2px;background:var(--ink)}.primary-nav{display:none;position:absolute;top:69px;left:0;right:0;padding:18px 20px 24px;background:#f7f8f4;border-bottom:1px solid var(--line);align-items:stretch;gap:0;flex-direction:column}.primary-nav.open{display:flex}.primary-nav>a{padding:13px 4px}.primary-nav .nav-cta{margin-top:9px;text-align:center}.hero{padding:62px 0 23px;min-height:0}.hero-layout{display:flex;flex-direction:column;align-items:stretch;gap:0}.hero-copy{padding:0}.hero h1{font-size:68px;margin:25px 0 20px}.hero-lead{font-size:17px}.hero-description{font-size:12px}.hero-actions{gap:18px;flex-wrap:wrap}.hero-note{margin-top:34px}.hero-art{height:310px;margin:0 -15px}.city-illustration{width:115%}.orbit-one{width:340px;height:200px}.orbit-two{width:390px;height:250px}.label-top{top:18px;right:22px}.label-bottom{bottom:17px;left:20px}.art-coordinate{right:16px;bottom:0}.hero-bottom{margin-top:10px}.section-pad{padding:76px 0}.intro-grid,.roadmap-layout,.closing-grid{grid-template-columns:1fr;gap:28px}.intro-text{padding-top:0}.principle-row{margin-top:48px;grid-template-columns:1fr}.principle,.principle:not(:first-child){padding:18px 0;border-right:0;border-bottom:1px solid var(--line)}.principle:last-child{border-bottom:0}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:20px}.pillar-grid{grid-template-columns:1fr}.pillar-featured{grid-row:auto;min-height:520px}.pillar-card{min-height:275px}.mini-map{height:200px}.roadmap-intro>p{margin-top:18px}.timeline-item{grid-template-columns:34px 1fr;gap:12px}.timeline-state{grid-column:2;justify-self:start}.closing-section{padding:70px 0}.author-card{margin-top:10px}.footer-main{grid-template-columns:1fr;gap:25px}.footer-bottom{gap:15px;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Expanded research content */
.details-section{background:#f0f4ef}
.details-heading{margin-bottom:48px}
.detail-intro{display:grid;grid-template-columns:170px 1fr;gap:35px;padding:28px 0 38px;border-top:1px solid #cfdcd4;border-bottom:1px solid #cfdcd4;margin-bottom:20px}
.detail-index{font-size:9px;letter-spacing:.17em;font-weight:700;color:#438f96;padding-top:7px}
.detail-intro h3{font:700 22px/1.3 var(--display);letter-spacing:-.035em;margin:0 0 14px}
.detail-intro p{font-size:12px;line-height:1.9;color:#647678;max-width:850px;margin:0 0 10px}
.detail-list{display:grid;gap:12px}
.detail-item{display:grid;grid-template-columns:70px 1fr;gap:24px;background:#fbfcf8;border:1px solid #e0e8e1;padding:30px 34px}
.detail-number{font:700 24px var(--display);color:#4b9da3}
.detail-body h3{font:700 25px var(--display);letter-spacing:-.04em;margin:0 0 8px}
.detail-lead{font:500 13px/1.7 var(--display);color:#537075;max-width:760px;margin-bottom:25px}
.detail-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.detail-columns h4{font:700 11px var(--display);margin:0 0 8px;color:#287f88}
.detail-columns p{font-size:11px;line-height:1.85;color:#68797b;margin:0}
.detail-note{margin-top:22px;padding:13px 16px;background:#edf3ef;border-left:2px solid #4da8ad;font-size:10px;line-height:1.8;color:#617578}
.detail-note b{color:#244c54}
.measurement-panel{margin-top:24px;background:#102b3a;color:#eff6f0;padding:35px 38px;display:grid;grid-template-columns:1fr 1fr;gap:25px 55px}
.measurement-panel .section-kicker{color:#83c9c7;margin-bottom:15px}
.measurement-panel h3{font:700 23px/1.3 var(--display);margin:0 0 12px}
.measurement-panel p{font-size:11px;line-height:1.85;color:#b1c4c0;margin:0}
.measurement-panel ul{margin:0;padding-left:18px;display:grid;gap:10px}
.measurement-panel li{font-size:10px;line-height:1.7;color:#c1d1cc}
.measurement-panel li b{color:#83d2cf}
.measurement-panel .measurement-footnote{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.15);padding-top:17px;color:#8eaaa8}
.contact-card{display:grid;gap:15px}
.contact-details{display:grid;gap:10px;padding-left:25px}
.contact-details a{display:grid;gap:4px}
.contact-details span{font-size:8px;letter-spacing:.16em;color:#4a9698;font-weight:700}
.contact-details b{font:600 12px var(--font);color:#345d61}
@media(max-width:900px){.detail-columns{gap:16px}.detail-item{padding:25px}.measurement-panel{gap:22px}}
@media(max-width:680px){.detail-intro{grid-template-columns:1fr;gap:12px}.detail-item{grid-template-columns:35px 1fr;gap:12px;padding:22px 17px}.detail-number{font-size:19px}.detail-body h3{font-size:21px}.detail-columns{grid-template-columns:1fr;gap:18px}.measurement-panel{grid-template-columns:1fr;padding:26px 22px}.measurement-panel .measurement-footnote{grid-column:auto}.contact-details{padding-left:0}.details-heading>p{margin-top:18px}}

/* Visual refinement — editorial hierarchy, layered surfaces and process graphic */
:root{--shadow-soft:0 18px 48px rgba(16,43,58,.08);--radius-card:10px}
::selection{background:#b9e4dc;color:#102b3a}
:focus-visible{outline:3px solid #42aeb6;outline-offset:4px}
.site-header{box-shadow:0 8px 24px rgba(16,43,58,.035)}
.brand-mark{background:linear-gradient(145deg,#fff,rgba(107,209,209,.12));box-shadow:0 3px 12px rgba(16,43,58,.08)}
.nav-cta{border-radius:6px;transition:transform .2s,background .2s,box-shadow .2s}
.nav-cta:hover{background:#1d4a58;transform:translateY(-2px);box-shadow:0 8px 20px rgba(16,43,58,.16)}
.hero{isolation:isolate;background:radial-gradient(ellipse at 78% 42%,#1e5260 0%,#102b3a 52%,#0b202c 100%)}
.hero:after{content:"";position:absolute;z-index:-1;right:-12%;bottom:-42%;width:72%;height:90%;border:1px solid rgba(107,209,209,.12);border-radius:50%;box-shadow:0 0 0 44px rgba(107,209,209,.025),0 0 0 88px rgba(107,209,209,.02);pointer-events:none}
.hero-copy{max-width:560px}
.hero h1{font-size:clamp(68px,8vw,108px);text-shadow:0 8px 30px rgba(0,0,0,.13)}
.hero-lead{max-width:470px}
.button-primary{border-radius:6px;box-shadow:0 10px 26px rgba(107,209,209,.14);transition:transform .2s,box-shadow .2s,background .2s}
.button-primary:hover{transform:translateY(-3px);background:#8ce1dc;box-shadow:0 14px 32px rgba(107,209,209,.22)}
.hero-art{filter:drop-shadow(0 22px 40px rgba(0,0,0,.12))}
.city-illustration{animation:city-float 9s ease-in-out infinite}
@keyframes city-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.art-label{padding:9px 12px;border:1px solid rgba(150,220,210,.17);background:rgba(8,30,40,.45);border-radius:3px;backdrop-filter:blur(8px)}
.art-coordinate{padding:8px 10px;background:rgba(8,30,40,.4);border-radius:3px}
.intro-section{background:linear-gradient(180deg,#f9faf7 0%,#f3f6f1 100%)}
.principle-row{background:rgba(255,255,255,.38);border-color:#d4e0d9}
.principle{transition:background .2s}
.principle:hover{background:rgba(255,255,255,.65)}
.flow-visual{margin-top:38px;padding:24px 28px 26px;background:#102b3a;border-radius:10px;color:#f1f7f1;box-shadow:var(--shadow-soft);position:relative;overflow:hidden}
.flow-visual:after{content:"";position:absolute;width:340px;height:340px;border:1px solid rgba(107,209,209,.12);border-radius:50%;right:-120px;top:-230px;box-shadow:0 0 0 32px rgba(107,209,209,.025),0 0 0 64px rgba(107,209,209,.02)}
.flow-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:19px;position:relative;z-index:1}
.flow-heading span{font-size:8px;letter-spacing:.19em;font-weight:700;color:#81c9c5}
.flow-heading small{font-size:10px;color:#9eb7b3}
.flow-steps{display:grid;grid-template-columns:1fr 20px 1fr 20px 1fr 20px 1fr 20px 1fr;align-items:center;gap:8px;position:relative;z-index:1}
.flow-step{min-height:76px;padding:12px 13px;background:rgba(255,255,255,.055);border:1px solid rgba(180,220,210,.14);border-radius:6px;display:flex;flex-direction:column;justify-content:center;gap:4px;transition:background .2s,border-color .2s,transform .2s}
.flow-step:hover{background:rgba(107,209,209,.12);border-color:rgba(107,209,209,.4);transform:translateY(-3px)}
.flow-step>span{font:700 8px var(--display);color:#73c9c8;letter-spacing:.12em}
.flow-step b{font:700 12px var(--display);color:#f0f6ef}
.flow-step small{font-size:9px;color:#9eb7b3}
.flow-steps>i{font-style:normal;color:#65bfc0;text-align:center;font-size:15px}
.flow-step-final{background:rgba(107,209,209,.13);border-color:rgba(107,209,209,.35)}

.pillars-section{background:linear-gradient(145deg,#eaf0eb,#e4ece7)}
.pillar-card{border-radius:var(--radius-card);box-shadow:0 4px 14px rgba(16,43,58,.025);overflow:hidden}
.pillar-card:not(.pillar-featured){background:linear-gradient(145deg,#fff 0%,#f9fbf7 100%)}
.pillar-card:hover{transform:translateY(-6px);box-shadow:0 20px 42px rgba(16,43,58,.1)}
.pillar-featured{background:radial-gradient(ellipse at 70% 32%,#1b4a59 0%,#102b3a 66%)}
.pillar-card h3{font-size:21px}
.card-icon{width:38px;height:38px;display:grid;place-items:center;border:1px solid rgba(76,156,163,.2);border-radius:50%;background:rgba(76,156,163,.06)}
.pillar-featured .card-icon{background:rgba(107,209,209,.09);border-color:rgba(107,209,209,.22)}
.card-link{transition:color .2s,padding .2s}
.card-link:hover{color:#1d9ba5;padding-left:5px}
.pillar-featured .card-link:hover{color:#8ce1dc}
.details-section{background:linear-gradient(180deg,#f0f4ef 0%,#eaf0eb 100%)}
.detail-intro{background:rgba(255,255,255,.28);padding-inline:24px;border-radius:8px}
.detail-item{border-radius:9px;box-shadow:0 4px 18px rgba(16,43,58,.025);transition:transform .2s,box-shadow .2s}
.detail-item:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(16,43,58,.065)}
.detail-number{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:#eaf3ef;border:1px solid #d6e7df}
.detail-columns>div{padding-left:13px;border-left:1px solid #dce7df}
.detail-note{border-radius:0 5px 5px 0}
.measurement-panel{border-radius:10px;box-shadow:var(--shadow-soft);background:radial-gradient(ellipse at 95% 0%,#1b5260 0%,#102b3a 54%)}
.timeline-item{transition:padding .2s,background .2s}
.timeline-item:hover{padding-inline:12px;background:rgba(255,255,255,.6)}
.timeline-state{border-radius:3px}
.closing-section{background:linear-gradient(120deg,#dcebe5 0%,#e9f0e9 100%)}
.contact-card{padding:23px 25px;background:rgba(255,255,255,.48);border:1px solid rgba(16,43,58,.07);border-radius:10px;box-shadow:0 14px 38px rgba(16,43,58,.05)}
.author-card{border-left:0;padding:0 0 17px;border-bottom:1px solid #c9dbd2}
.author-avatar{box-shadow:0 6px 18px rgba(16,43,58,.14)}
.contact-details{padding:0;grid-template-columns:1fr 1fr;gap:14px}
.contact-details a{padding:12px 13px;background:rgba(255,255,255,.55);border:1px solid rgba(16,43,58,.06);border-radius:6px;overflow-wrap:anywhere;transition:border-color .2s,transform .2s}
.contact-details a:hover{border-color:#8dbeb4;transform:translateY(-2px)}
.site-footer{background:linear-gradient(135deg,#0b202c,#102b3a)}
.footer-links a{transition:color .2s,transform .2s}
.footer-links a:hover{transform:translateX(3px)}
@media(max-width:900px){.flow-steps{gap:5px}.flow-step{padding:10px 8px}.contact-details{grid-template-columns:1fr}}
@media(max-width:680px){
 .hero{background:radial-gradient(ellipse at 50% 55%,#1c4a58 0%,#102b3a 60%,#0b202c 100%)}
 .hero h1{font-size:72px}
 .flow-visual{margin-top:30px;padding:20px 17px;border-radius:8px}
 .flow-heading{align-items:flex-start;flex-direction:column;gap:6px}
 .flow-steps{grid-template-columns:1fr;gap:7px}
 .flow-steps>i{transform:rotate(90deg);height:12px;line-height:12px}
 .flow-step{min-height:0;display:grid;grid-template-columns:26px 1fr auto;align-items:center;padding:11px 12px}
 .flow-step>span{grid-row:span 2}
 .flow-step b{font-size:12px}
 .flow-step small{grid-column:2;grid-row:2}
 .detail-intro{padding:22px 18px}
 .detail-columns>div{padding-left:12px}
 .contact-card{padding:20px 17px}
 .contact-details{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){.city-illustration{animation:none}}


/* Motion pass — subtle depth, animated gradients and scroll reveals */
.hero:before{
  background:
    radial-gradient(ellipse at 78% 38%,rgba(52,143,151,.28),transparent 42%),
    radial-gradient(ellipse at 18% 88%,rgba(39,126,145,.18),transparent 38%),
    linear-gradient(115deg,transparent 48%,rgba(255,255,255,.025) 48.1%,transparent 48.4%);
  background-size:100% 100%,140% 140%,100% 100%;
  animation:hero-glow 16s ease-in-out infinite alternate;
}
@keyframes hero-glow{
  0%{background-position:0 0,0% 80%,0 0}
  100%{background-position:0 0,100% 10%,0 0}
}
.hero-grid{animation:grid-drift 34s linear infinite}
@keyframes grid-drift{to{background-position:72px 72px}}
.art-orbit.orbit-one{animation:orbit-drift 24s linear infinite}
.art-orbit.orbit-two{animation:orbit-drift-reverse 32s linear infinite}
@keyframes orbit-drift{to{transform:rotate(338deg)}}
@keyframes orbit-drift-reverse{to{transform:rotate(-338deg)}}
.eyebrow-dot,.label-pulse{animation:signal-pulse 2.4s ease-in-out infinite}
@keyframes signal-pulse{
  0%,100%{box-shadow:0 0 0 5px rgba(107,209,209,.12),0 0 0 0 rgba(107,209,209,0)}
  50%{box-shadow:0 0 0 8px rgba(107,209,209,.04),0 0 18px 3px rgba(107,209,209,.28)}
}
.site-header{transition:background .25s,box-shadow .25s,border-color .25s}
.site-header.is-scrolled{background:rgba(248,250,246,.97);box-shadow:0 10px 28px rgba(16,43,58,.09);border-color:rgba(16,43,58,.12)}
.hero,.intro-section,.pillars-section,.details-section,.roadmap-section,.closing-section{scroll-margin-top:90px}
.pillar-card,.detail-item,.flow-step,.contact-details a{will-change:transform}
.mini-map i{animation:map-ping 3s ease-out infinite}
.mini-map i:nth-child(2){animation-delay:.7s}
.mini-map i:nth-child(3){animation-delay:1.4s}
.mini-map i:nth-child(4){animation-delay:2.1s}
@keyframes map-ping{
  0%,100%{box-shadow:0 0 0 4px rgba(107,209,209,.12),0 0 0 0 rgba(107,209,209,.2)}
  55%{box-shadow:0 0 0 9px rgba(107,209,209,0),0 0 0 13px rgba(107,209,209,0)}
}
.flow-step{position:relative}
.flow-step:after{content:"";position:absolute;inset:-1px;border:1px solid rgba(107,209,209,0);border-radius:6px;pointer-events:none}
.flow-step:hover:after{animation:flow-highlight 1s ease-out}
@keyframes flow-highlight{0%{border-color:rgba(107,209,209,.65);inset:-1px}100%{border-color:rgba(107,209,209,0);inset:-7px}}
.scroll-progress{position:absolute;left:0;bottom:-1px;height:2px;width:100%;transform:scaleX(0);transform-origin:left;background:linear-gradient(90deg,#2b9eae,#6bd1d1,#9bbd9e);z-index:2}
.js-reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js-reveal.is-visible{opacity:1;transform:translateY(0)}
.js-reveal[data-reveal-delay="1"]{transition-delay:.08s}
.js-reveal[data-reveal-delay="2"]{transition-delay:.16s}
.js-reveal[data-reveal-delay="3"]{transition-delay:.24s}
@media(max-width:680px){
  .hero-grid{background-size:54px 54px}
  .art-orbit.orbit-one{animation-duration:32s}
  .art-orbit.orbit-two{animation-duration:40s}
}
@media(prefers-reduced-motion:reduce){
  .hero:before,.hero-grid,.art-orbit,.eyebrow-dot,.label-pulse,.mini-map i{animation:none!important}
  .js-reveal{opacity:1;transform:none;transition:none}
}


/* Ambient gradient atmosphere across the full page */
body{
  background:
    radial-gradient(ellipse at 8% 17%,rgba(111,174,159,.10),transparent 34%),
    radial-gradient(ellipse at 92% 44%,rgba(78,157,169,.09),transparent 36%),
    radial-gradient(ellipse at 18% 82%,rgba(175,198,170,.12),transparent 32%),
    linear-gradient(135deg,#f8faf6 0%,#eef3ee 48%,#f7f9f5 100%);
  background-attachment:fixed;
}
.intro-section,.pillars-section,.details-section,.roadmap-section,.closing-section{
  position:relative;
  isolation:isolate;
}
.intro-section:before,.pillars-section:before,.details-section:before,.roadmap-section:before,.closing-section:before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse at 4% 18%,rgba(93,163,153,.10),transparent 38%),
    radial-gradient(ellipse at 96% 82%,rgba(76,153,171,.08),transparent 36%);
  background-size:150% 150%;
  animation:section-atmosphere 22s ease-in-out infinite alternate;
}
@keyframes section-atmosphere{
  0%{background-position:0% 0%,100% 100%}
  100%{background-position:35% 60%,60% 20%}
}
.intro-section{background:linear-gradient(120deg,rgba(249,250,247,.96),rgba(239,245,239,.94),rgba(248,250,246,.96))}
.pillars-section{background:linear-gradient(130deg,rgba(233,241,235,.97),rgba(220,234,228,.94),rgba(241,244,235,.97))}
.details-section{background:linear-gradient(145deg,rgba(242,247,241,.97),rgba(226,239,233,.94),rgba(243,246,239,.97))}
.roadmap-section{background:linear-gradient(120deg,rgba(248,250,246,.96),rgba(233,242,236,.95),rgba(248,249,244,.96))}
.closing-section{background:linear-gradient(125deg,#d9ebe3 0%,#eaf1e8 52%,#dcece8 100%)}
.detail-item[id]{scroll-margin-top:112px}
.detail-item.is-arrival{
  animation:arrival-highlight 1.8s ease both;
}
@keyframes arrival-highlight{
  0%{border-color:#49aeb2;box-shadow:0 0 0 5px rgba(73,174,178,.18),0 18px 40px rgba(16,43,58,.09)}
  65%{border-color:#80bdb5;box-shadow:0 0 0 3px rgba(73,174,178,.10),0 14px 32px rgba(16,43,58,.06)}
  100%{border-color:#e0e8e1;box-shadow:0 4px 18px rgba(16,43,58,.025)}
}
.card-link{position:relative}
.card-link:after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;
  background:linear-gradient(90deg,#3c9ca5,rgba(60,156,165,0));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.card-link:hover:after{transform:scaleX(1)}
@media(prefers-reduced-motion:reduce){
  body{background-attachment:scroll}
  .intro-section:before,.pillars-section:before,.details-section:before,.roadmap-section:before,.closing-section:before{animation:none}
  .detail-item.is-arrival{animation:none;border-color:#80bdb5}
}


/* Distinct visual identities for the five city-system themes */
.pillar-card{position:relative;isolation:isolate}
.pillar-card:before{
  content:"";position:absolute;z-index:-1;right:-35px;top:52px;width:190px;height:150px;
  border-radius:50%;opacity:.72;pointer-events:none;
  background:radial-gradient(circle at 48% 48%,var(--theme-glow),transparent 68%);
  transition:transform .7s ease,opacity .4s ease;
}
.pillar-card:after{
  content:"";position:absolute;z-index:-1;right:13px;top:70px;width:108px;height:108px;
  border:1px solid var(--theme-line);border-radius:50%;opacity:.7;pointer-events:none;
  box-shadow:0 0 0 14px var(--theme-ring),0 0 0 29px var(--theme-ring);
  transition:transform .8s cubic-bezier(.2,.7,.2,1);
}
.pillar-card:hover:before{transform:scale(1.22);opacity:1}
.pillar-card:hover:after{transform:rotate(24deg) scale(1.08)}
.pillar-featured{--theme-glow:rgba(75,199,207,.32);--theme-line:rgba(115,220,218,.4);--theme-ring:rgba(115,220,218,.07)}
.pillar-transport{--theme-glow:rgba(89,155,214,.20);--theme-line:rgba(89,155,214,.35);--theme-ring:rgba(89,155,214,.06)}
.pillar-environment{--theme-glow:rgba(104,169,119,.22);--theme-line:rgba(104,169,119,.36);--theme-ring:rgba(104,169,119,.06)}
.pillar-services{--theme-glow:rgba(190,157,104,.20);--theme-line:rgba(190,157,104,.36);--theme-ring:rgba(190,157,104,.06)}
.pillar-security{--theme-glow:rgba(132,133,188,.20);--theme-line:rgba(132,133,188,.34);--theme-ring:rgba(132,133,188,.06)}
.pillar-card .card-top,.pillar-card>div:not(.mini-map),.pillar-card .card-link{position:relative;z-index:1}
.pillar-card .mini-map{position:relative;z-index:1}
.pillar-transport .card-icon{color:#477fae;background:rgba(89,155,214,.09);border-color:rgba(89,155,214,.25)}
.pillar-environment .card-icon{color:#528d5e;background:rgba(104,169,119,.10);border-color:rgba(104,169,119,.25)}
.pillar-services .card-icon{color:#a17c43;background:rgba(190,157,104,.11);border-color:rgba(190,157,104,.27)}
.pillar-security .card-icon{color:#7777a9;background:rgba(132,133,188,.10);border-color:rgba(132,133,188,.25)}
.pillar-featured:before{opacity:.9}
.pillar-featured:after{border-color:rgba(115,220,218,.34);box-shadow:0 0 0 14px rgba(115,220,218,.06),0 0 0 29px rgba(115,220,218,.035)}

/* Detail articles inherit a quiet, topic-specific visual signature */
.detail-item{
  position:relative;isolation:isolate;overflow:hidden;
  border-left:3px solid var(--detail-accent,#72aaa1);
  background:
    radial-gradient(ellipse at 100% 0%,var(--detail-wash,rgba(114,170,161,.10)),transparent 34%),
    linear-gradient(120deg,rgba(255,255,255,.94),rgba(250,252,248,.90));
}
.detail-item:after{
  content:"";position:absolute;z-index:-1;right:-48px;top:-65px;width:210px;height:210px;
  border:1px solid var(--detail-line,rgba(80,150,150,.18));border-radius:50%;
  box-shadow:0 0 0 18px var(--detail-ring,rgba(80,150,150,.035)),0 0 0 38px var(--detail-ring,rgba(80,150,150,.025));
  pointer-events:none;transition:transform .8s ease;
}
.detail-item:hover:after{transform:translate(-8px,8px) scale(1.04)}
#detail-gis{--detail-accent:#3b9ca6;--detail-wash:rgba(65,171,184,.15);--detail-line:rgba(65,171,184,.22);--detail-ring:rgba(65,171,184,.045)}
#detail-transport{--detail-accent:#568fbd;--detail-wash:rgba(86,143,189,.14);--detail-line:rgba(86,143,189,.22);--detail-ring:rgba(86,143,189,.045)}
#detail-environment{--detail-accent:#64976a;--detail-wash:rgba(100,151,106,.15);--detail-line:rgba(100,151,106,.22);--detail-ring:rgba(100,151,106,.045)}
#detail-services{--detail-accent:#b18a4f;--detail-wash:rgba(177,138,79,.14);--detail-line:rgba(177,138,79,.22);--detail-ring:rgba(177,138,79,.045)}
#detail-security{--detail-accent:#8282ad;--detail-wash:rgba(130,130,173,.14);--detail-line:rgba(130,130,173,.22);--detail-ring:rgba(130,130,173,.045)}
.detail-item .detail-number{border-color:var(--detail-accent);color:var(--detail-accent);background:rgba(255,255,255,.76)}
.detail-item .card-tag{color:var(--detail-accent)}
.detail-item .detail-columns h4{color:var(--detail-accent)}
.detail-item .detail-note{border-left-color:var(--detail-accent);background:var(--detail-wash)}
.detail-item .detail-body{position:relative;z-index:1}
.detail-item .detail-body h3{max-width:85%}
@media(max-width:680px){
  .pillar-card:before{width:130px;height:110px;right:-28px;top:62px}
  .pillar-card:after{width:72px;height:72px;right:10px;top:76px}
  .detail-item:after{width:130px;height:130px;right:-65px;top:-48px}
  .detail-item .detail-body h3{max-width:100%}
}
@media(prefers-reduced-motion:reduce){
  .pillar-card:before,.pillar-card:after,.detail-item:after{transition:none}
}

/* VISIBILITY FIX — bring decorative layers above card backgrounds and give each theme a clear accent */
.pillar-card{--theme-accent:#3b9ca6;--theme-wash:rgba(65,171,184,.12);border-top:4px solid var(--theme-accent)}
.pillar-featured{--theme-accent:#69c9cb;--theme-wash:rgba(65,171,184,.18)}
.pillar-transport{--theme-accent:#568fbd;--theme-wash:rgba(86,143,189,.14)}
.pillar-environment{--theme-accent:#64976a;--theme-wash:rgba(100,151,106,.15)}
.pillar-services{--theme-accent:#b18a4f;--theme-wash:rgba(177,138,79,.15)}
.pillar-security{--theme-accent:#8282ad;--theme-wash:rgba(130,130,173,.15)}
.pillar-card:not(.pillar-featured){background:linear-gradient(145deg,rgba(255,255,255,.98),var(--theme-wash) 100%)}
.pillar-card:before,.pillar-card:after{z-index:0}
.pillar-card>*{position:relative;z-index:1}
.pillar-card .card-number{color:var(--theme-accent)}
.pillar-card:not(.pillar-featured) .card-tag{color:var(--theme-accent)}
.pillar-card:not(.pillar-featured) .card-link{color:var(--theme-accent);border-color:color-mix(in srgb,var(--theme-accent) 28%,transparent)}
.detail-item{border-left:5px solid var(--detail-accent,#72aaa1);background:linear-gradient(110deg,var(--detail-wash,rgba(114,170,161,.12)) 0%,rgba(255,255,255,.97) 42%,rgba(250,252,248,.96) 100%)}
.detail-item:after{z-index:0}
.detail-item>*{position:relative;z-index:1}
.detail-item .detail-number{background:color-mix(in srgb,var(--detail-accent) 12%,white);border:1px solid color-mix(in srgb,var(--detail-accent) 42%,white)}
.detail-item .detail-body h3{color:color-mix(in srgb,var(--detail-accent) 72%,#102b3a)}
@media(max-width:680px){.pillar-card{border-top-width:4px}.detail-item{border-left-width:4px}}


/* Project identity alignment — 2026-11-06 */
.hero-project-subtitle{margin:18px 0 8px;color:#b9dcd4;font:700 clamp(13px,1.3vw,16px) var(--display);letter-spacing:.035em;max-width:500px}
.hero-lead{max-width:470px}


/* Responsive refinement — desktop and mobile layout pass, 2026-11-07 */
html{overflow-x:clip}
img,svg,canvas{max-width:100%}
.container{width:min(100% - 48px,var(--max))}
@media(min-width:1100px){
 .container{width:min(100% - 80px,var(--max))}
 .hero-layout{gap:clamp(42px,6vw,100px)}
 .hero-art{min-height:500px}
 .pillar-grid{gap:20px}
 .detail-item{padding:34px}
}
@media(max-width:680px){
 .container{width:calc(100% - 32px)}
 .section-pad{padding:58px 0}
 .hero{padding-top:42px}
 .hero h1{font-size:clamp(48px,13vw,62px);line-height:.98;letter-spacing:-.055em}
 .hero-project-subtitle{font-size:clamp(12px,3.5vw,15px);line-height:1.45}
 .hero-lead{font-size:16px;line-height:1.45}
 .hero-description{font-size:13px;line-height:1.75}
 .hero-actions{align-items:flex-start;gap:12px}
 .hero-actions .button{min-height:46px;padding:13px 16px}
 .hero-art{height:clamp(220px,68vw,290px);margin:8px -8px 0}
 .hero-bottom{font-size:8px;letter-spacing:.08em}
 .section-heading h2,.intro-grid h2,.roadmap-intro h2,.closing-grid h2{font-size:clamp(27px,7.3vw,36px);line-height:1.2}
 .section-heading>p,.intro-text p,.roadmap-intro>p{font-size:14px;line-height:1.75}
 .flow-visual{padding:18px 15px}
 .flow-steps{display:grid;grid-template-columns:1fr 1fr;gap:8px}
 .flow-steps>i{display:none}
 .flow-step{min-width:0;padding:13px 10px}
 .principle-row{margin-top:30px}
 .pillar-featured{min-height:0}
 .pillar-card{min-height:0;padding:22px}
 .mini-map{height:145px}
 .detail-item{grid-template-columns:28px minmax(0,1fr);gap:10px;padding:20px 14px}
 .detail-number{font-size:16px}
 .detail-body h3{font-size:20px;line-height:1.25}
 .detail-lead,.detail-columns p,.detail-note{font-size:13px;line-height:1.7}
 .measurement-panel{padding:22px 17px}
 .timeline-item{grid-template-columns:30px minmax(0,1fr);gap:10px}
 .contact-card{padding:20px 16px}
 .author-card{gap:12px}
 .author-card h3{font-size:18px}
 .contact-details a{overflow-wrap:anywhere}
 .footer-main{padding-top:34px}
 .footer-links{display:grid;gap:12px}
 .footer-bottom{font-size:11px}
}
@media(max-width:380px){
 .container{width:calc(100% - 28px)}
 .hero h1{font-size:47px}
 .hero-art{height:220px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .hero-actions .button{justify-content:center}
 .flow-steps{grid-template-columns:1fr 1fr}
 .pillar-card{padding:18px}
 .detail-item{padding:18px 12px}
}


@media(min-width:681px) and (max-width:900px){
 .site-header{height:74px}
 .menu-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:0;padding:10px;margin-left:auto}
 .menu-toggle span{width:24px;height:2px;background:var(--ink)}
 .primary-nav{display:none;position:absolute;top:73px;left:0;right:0;padding:14px 28px 22px;background:#f7f8f4;border-bottom:1px solid var(--line);align-items:stretch;gap:0;flex-direction:column;box-shadow:0 18px 28px rgba(16,43,58,.10)}
 .primary-nav.open{display:flex}
 .primary-nav>a{padding:12px 4px}
 .primary-nav .nav-cta{margin-top:8px;text-align:center}
}