/* September 2026: daylight, the original full-spectrum identity, and our own photographs. */
:root{--paper:#fffdf7;--paper-2:#f3f8f2;--ink:#171b25;--ink-soft:#49515a;--mint:#50d6ae;--violet:#6948b6;--gold:#f8d448;--max:1280px}
body{background:var(--paper)}
.site-header .nav-row{min-height:98px}.site-header .brand-logo{width:350px}.site-header .brand-lockup{flex-basis:350px}.desktop-nav .nav-cta{background:#50d6ae;border-color:#50d6ae;color:#112d25}.site-header.is-compact .nav-row{min-height:76px}
.section{padding:80px 0}.section-head{gap:48px}.section-number,.eyebrow{font-weight:500;color:#4b3881}.h2{letter-spacing:-.04em}.button{border-radius:7px;transition:background .15s ease,transform .15s ease}.button:hover{transform:translateY(-2px)}a:focus-visible,button:focus-visible{outline:3px solid #6344ad;outline-offset:5px}img{display:block}.section-photo,.card-photo,.section-banner,.page-hero-photo,.index-photo,.protect-photo,.summit-photo{margin:0;overflow:hidden}.section-photo img,.card-photo img,.section-banner img,.page-hero-photo img,.index-photo img,.protect-photo img,.summit-photo img{display:block;width:100%;height:auto;object-fit:cover}.card-photo{aspect-ratio:3/2;margin-bottom:24px;border-radius:8px;flex-shrink:0}.card-photo img{height:100%;aspect-ratio:3/2}.section-photo{border-radius:12px}.section-photo img{aspect-ratio:3/2}.section-banner{margin:0 0 36px;border-radius:12px;max-width:100%}.section-banner img{max-height:520px;aspect-ratio:2.2;object-position:center 48%}.section-banner figcaption,.index-photo figcaption,.summit-photo figcaption{font-size:.875rem;line-height:1.6;padding:13px 0;color:#47534c}
/* The film is visible immediately; no autoplay or sound surprises. */
.vibrant-home .hero{background:#fffdf7;color:var(--ink);padding:52px 0 40px;overflow:visible}.vibrant-home .hero:before,.vibrant-home .hero:after{display:none}.vibrant-home .hero>.shell{width:min(1440px,calc(100% - 64px))}.vibrant-home .hero-grid{grid-template-columns:.82fr 1.18fr;gap:48px;align-items:center}.vibrant-home .hero .eyebrow{color:#456749;letter-spacing:.08em}.vibrant-home .hero .display{font-size:clamp(2.7rem,4.5vw,4.4rem);line-height:1.06;letter-spacing:-.055em;max-width:13ch;margin:18px 0 24px}.vibrant-home .hero-copy .lead{color:#303b35;font-size:1.09rem;line-height:1.65;margin:0 0 14px;max-width:50ch}.vibrant-home .hero-audience{color:#4e5851;font-size:1rem;max-width:52ch;line-height:1.65;margin-bottom:25px}.vibrant-home .hero .hero-secondary{color:#171b25}.vibrant-home .hero .button{background:#171b25;color:white;border-color:#171b25}.hero-visual{min-width:0}.opening-player{border-radius:14px;box-shadow:0 18px 45px #25422b14;aspect-ratio:16/10;background:#26302b}.opening-player>img{height:100%;width:100%;object-fit:cover;filter:none}.opening-player .film-launch{inset:auto auto 24px 24px;margin:0;padding:14px 19px;display:grid;grid-template-columns:48px 1fr;gap:3px 12px;text-align:left;border-radius:8px;background:#fffdf7f5;color:#152b20;max-width:calc(100% - 48px)}.opening-player .film-launch>span{width:44px;height:44px;grid-row:1/3;font-size:18px;background:#50d6ae}.opening-player .film-launch strong{font-size:1rem}.opening-player .film-launch small{color:#425a4c;font-size:.78rem}.opening-player .film-launch:hover{background:#d5fae9}.opening-player .film-launch[hidden]{display:none}.opening-film-caption{display:flex;justify-content:space-between;gap:14px;margin-top:17px;font-size:.8rem;color:#526050}.opening-film-caption span{font-weight:500}.opening-film-caption a{text-underline-offset:4px;white-space:nowrap}
/* The three requested numbers are a substantial, independent visual statement. */
.vibrant-home .hero-facts{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:16px;margin:44px 0 0;border:0;background:transparent;overflow:visible}.vibrant-home .hero-facts .fact{display:flex;flex-direction:column;justify-content:space-between;align-items:flex-start;gap:20px;border:0;border-radius:10px;background:#c9f8e5;color:#132b22;padding:28px 30px;min-width:0}.vibrant-home .hero-facts .fact:nth-child(2){background:#e9dfff}.vibrant-home .hero-facts .fact:nth-child(3){background:#ffe371}.vibrant-home .hero-facts .fact strong,.vibrant-home .hero-facts .fact:nth-child(2) strong{display:block;font-size:clamp(4.8rem,8.8vw,8.3rem);line-height:.94;letter-spacing:-.07em;font-weight:600;color:#171b25;min-width:0}.vibrant-home .hero-facts .fact:nth-child(3) strong{font-size:clamp(3.5rem,6.4vw,6.3rem);color:#171b25;letter-spacing:-.075em;white-space:nowrap}.vibrant-home .hero-facts .fact span{color:#28372d;font-size:.8rem;line-height:1.5;font-weight:500;letter-spacing:.055em;text-transform:uppercase;max-width:30ch}.announcement{background:#50d6ae;font-weight:500}
/* Programmes and six priorities each have a relevant image and their own colour. */
.alliance-structure{background:white}.alliance-parent{background:#e5f9ef;color:#173b2b;border:0;border-left:5px solid #27ad80;border-radius:8px}.alliance-parent>p{color:#3c5448}.alliance-parent .eyebrow,.alliance-parent .text-link{color:#216347}.governed-card{background:#f4efff;padding:22px;border:0;border-radius:10px}.governed-card:nth-child(2){background:#e9f8f1}.governed-card:nth-child(3){background:#fff3c6}.governed-card h3{margin:14px 0}.governed-card .card-photo{margin-bottom:20px}.governed-card .card-index{color:#3e4853}.governed-card p{font-size:.96rem}.governed-label{padding-top:28px}
.delivered{background:#f7f7ef}.evidence-grid{gap:28px}.evidence-grid article{border:0;padding:0}.evidence-grid .card-photo{margin-bottom:20px}.evidence-label{color:#4f3882}.evidence-grid h3{margin-top:10px}
#pact-pillars{background:#fff}.pillars-grid{gap:24px}.vibrant-home #pact-pillars .pillar:nth-child(n){display:flex;flex-direction:column;gap:0;padding:20px;border:0!important;border-radius:12px;background:#f2ebff;min-width:0}.vibrant-home #pact-pillars .pillar:nth-child(2){background:#e4f2ff}.vibrant-home #pact-pillars .pillar:nth-child(3){background:#e5f8ed}.vibrant-home #pact-pillars .pillar:nth-child(4){background:#fff2b6}.vibrant-home #pact-pillars .pillar:nth-child(5){background:#ffe7d1}.vibrant-home #pact-pillars .pillar:nth-child(6){background:#ffe5e9}.pillar .num{font-size:.85rem!important;font-weight:500;color:#3a4148!important;margin:0 0 16px}.pillar h3{font-size:1.33rem;max-width:24ch}.pillar p{font-size:.98rem}.cross-cutting{background:#f5f1fc;color:#302444;border-radius:10px}.cross-cutting .eyebrow{color:#584479}.cross-cutting .tag{color:#423651;border-color:#b3a4c7;background:#fff}
#humanity-index{background:#e9e2fb;color:#261d3d}#humanity-index .lead,#humanity-index .note{color:#4f4563}#humanity-index .index-panel{grid-template-columns:1fr 1fr;gap:40px;align-items:center}#humanity-index .index-lenses{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}#humanity-index .lens{background:#ffffffad;border:0;border-radius:8px;padding:23px}#humanity-index .lens strong{color:#473074;font-size:1.2rem}#humanity-index .lens p{color:#514360;font-size:.95rem}#humanity-index .button{background:#543784;color:white;border-color:#543784}#humanity-index .button.ghost-light{background:transparent;color:#443166;border-color:#9989b4}.index-photo{border-radius:12px}.index-photo img{aspect-ratio:3/2}.index-photo figcaption{color:#564763;padding-inline:4px}
.practice-feature{background:#ebf8f2;color:#16342a}.practice-feature .lead,.practice-feature .note,.practice-stages p{color:#465b50}.practice-feature .eyebrow{color:#226046}.practice-stages{margin-top:22px}.practice-stages li{padding:14px 0;border-color:#a2c7b7}.practice-stages li>span{color:#227453}.practice-stages strong{font-size:1.08rem}.practice-stages p{font-size:.92rem;margin-top:4px}.protect-feature{background:#fff7de}.protect-photo{margin-top:28px;border-radius:10px}.protect-summary{align-items:center}.protect-photo img{aspect-ratio:3/2}.protect-summary .text-link{color:#544118}
#humanity-talks{background:#fff}.talks-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.talk-card:nth-child(n){padding:22px;background:#eef8f2;border:0;border-radius:10px}.talk-card:nth-child(2),.talk-card:nth-child(3){background:#f1ebfb}.talk-card h3{font-size:1.8rem}.talk-card .card-photo{aspect-ratio:2/1}.talk-card .card-photo img{aspect-ratio:2/1;object-position:center 45%}.talk-card .topic{color:#475149}.date-chip{background:#ffffffcc}.status-chip{color:#365445;border-color:#89a292}
.research-visual{background:#fff2bf;color:#24261f}.research-visual .section-number{color:#655316}.research-visual .lead{color:#59533c}.research-visual .publications-grid{gap:24px}.research-visual .publication{border:0;background:#fff9e8;padding:20px;border-radius:10px}.research-visual .publication .type{color:#685020}.research-visual .publication p{color:#585444}.research-visual .publication h3{font-size:1.4rem}.research-visual .publication .text-link{color:#3f3a22}
#summit-2027{background:#fff}.summit-panel{background:#d4f8e7;color:#173628;padding:0;border:0;border-radius:12px;overflow:hidden}.summit-photo img{max-height:460px;aspect-ratio:2.5;object-position:center 50%}.summit-photo figcaption{padding:14px 34px;background:#eafcf3}.summit-content{padding:40px;gap:40px}.summit-panel .eyebrow{color:#28694c}.summit-panel .lead,.summit-panel .note{color:#355445}.summit-panel .h2{font-size:clamp(2.5rem,4.5vw,4.3rem)}.summit-date-note{background:#ffffff7a;color:#3d5849;border-color:#2bb388}.summit-date-note strong{color:#294635}.summit-panel .button{background:#183f2e;color:#fff;border-color:#183f2e}.summit-panel .button.ghost-light{background:transparent;color:#244c38;border-color:#658f77}
.rio-photos{background:#f3f8eb;color:#183729}.rio-photos .section-number{color:#3c693c}.rio-photos .lead,.rio-photos .rio-photo figcaption{color:#4a5d46}.rio-photo-grid--preview{grid-template-columns:1fr 1fr;gap:24px}.rio-photo-grid--preview .rio-photo:first-child{grid-column:auto}.rio-photo-grid--preview img{aspect-ratio:3/2;object-fit:cover;border-radius:10px}.past-speakers{background:#f6f0fc}.speaker-photo-frame .speaker-photo{filter:none}.speaker-card{border:0}.media-feature{background:#fff}.vibrant-home .timeline{margin-top:32px}
/* Join us: distinct routes, no simulated sign-up confirmation. */
.join-section{background:#def7e9;color:#1c3026}.join-section .h2{font-size:clamp(3.5rem,6.5vw,6rem)}.join-section .eyebrow{color:#386649}.join-section .lead{color:#3b5946}.join-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.join-card{background:white;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;min-width:0;scroll-margin-top:110px}.join-card .card-photo{margin:0;border-radius:0;aspect-ratio:3/2}.join-card-copy{padding:28px;display:flex;flex:1;flex-direction:column;align-items:flex-start}.join-card h3{font-size:2rem;margin:0 0 16px}.join-card p{color:#526057;margin:0 0 24px;font-size:1rem;line-height:1.7}.join-card .button{margin-top:auto;background:#1d3e2c;color:#fff;border-color:#1d3e2c;font-size:.93rem;padding:13px 17px;text-align:left}.join-card:nth-child(2){background:#fff2c3}.join-card:nth-child(3){background:#efe5ff}.join-card .join-note{font-size:.8rem;margin:15px 0 0;color:#55534d}.page-hero.with-photo{background:#f3f8ec;color:#152b20;border:0;padding:48px 0}.page-hero.with-photo>.shell{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.page-hero.with-photo .h1{font-size:clamp(2.4rem,3.6vw,3.6rem)}.page-hero.with-photo .eyebrow{color:#426747}.page-hero.with-photo .lead{color:#4c5d4c}.page-hero-photo{border-radius:12px}.page-hero-photo img{aspect-ratio:3/2}.footer-column a{font-size:.92rem}
@media(min-width:1081px) and (max-width:1300px){.site-header .nav-row{flex-wrap:nowrap;gap:18px;padding:12px 0}.site-header .brand-lockup{flex:0 1 290px;min-width:200px}.site-header .brand-logo{width:290px}.desktop-nav{gap:15px}.desktop-nav a{font-size:.8rem}}
@media(max-width:1080px){.vibrant-home .hero-grid{gap:30px}.vibrant-home .hero .display{font-size:3.35rem}.site-header .brand-lockup{min-width:0;flex-basis:320px}.hero-facts .fact{padding:24px!important}.join-card-copy{padding:23px}.join-card .button{font-size:.86rem}.governed-grid{gap:16px}.governed-card{padding:18px}.index-panel{gap:25px}}
@media(max-width:900px){.vibrant-home .hero-grid{grid-template-columns:1fr}.vibrant-home .hero .display{max-width:16ch}.vibrant-home .hero-copy .lead,.vibrant-home .hero-audience{max-width:65ch}.hero-visual{order:-1}.opening-player{aspect-ratio:16/9}.vibrant-home .hero .display{font-size:3.5rem}.vibrant-home .hero-facts .fact strong{font-size:5.4rem}.vibrant-home .hero-facts .fact:nth-child(3) strong{font-size:3.7rem}.join-grid{grid-template-columns:1fr}.join-card{display:grid;grid-template-columns:.85fr 1.15fr}.join-card .card-photo{height:100%;aspect-ratio:auto}.join-card .card-photo img{height:100%;object-fit:cover}.page-hero.with-photo>.shell{gap:28px}.page-hero.with-photo .h1{font-size:2.5rem}#humanity-index .index-lenses{grid-template-columns:repeat(2,1fr)}.governed-grid{grid-template-columns:1fr}.governed-card{display:grid;grid-template-columns:.8fr 1fr;gap:12px 28px}.governed-card .card-photo{grid-row:1/6;margin:0;aspect-ratio:3/2;align-self:center}.governed-card h3{margin:0}.governed-card h4,.governed-card p{margin:0}.governed-card .text-link{margin-top:8px}}
@media(max-width:760px){.section{padding:55px 0}.site-header .nav-row{min-height:82px}.site-header .brand-logo{width:min(290px,calc(100vw - 100px))}.vibrant-home .hero{padding:24px 0 28px}.vibrant-home .hero>.shell{width:calc(100% - 32px)}.vibrant-home .hero .display{font-size:clamp(2.65rem,10vw,3.6rem)}.vibrant-home .hero-facts{grid-template-columns:1fr;gap:12px;margin-top:32px}.vibrant-home .hero-facts .fact{flex-direction:row;align-items:center;padding:24px!important;gap:22px}.vibrant-home .hero-facts .fact strong{font-size:5.1rem;min-width:100px}.vibrant-home .hero-facts .fact:nth-child(3) strong{font-size:3.25rem;min-width:unset}.vibrant-home .hero-facts .fact span{font-size:.74rem;max-width:23ch}.hero .hero-actions .button{width:auto}.opening-player .film-launch{left:14px;bottom:14px;max-width:calc(100% - 28px);padding:11px 13px}.opening-film-caption{font-size:.72rem;gap:8px}.opening-film-caption span{max-width:23ch}.hero .hero-actions{gap:20px}.pillars-grid,.talks-grid{grid-template-columns:1fr}.pillars-grid .card-photo{aspect-ratio:3/2}.alliance-parent{padding:24px}.governed-card{display:flex;padding:20px;gap:0}.governed-card .card-photo{margin-bottom:20px;align-self:stretch}.governed-card h3{margin:14px 0}.governed-card h4{margin-bottom:12px}.governed-card p{margin-bottom:24px}#humanity-index .index-panel{grid-template-columns:1fr}#humanity-index .index-lenses{gap:12px}#humanity-index .lens{padding:18px}.summit-content{padding:26px;gap:24px}.summit-photo img{aspect-ratio:3/2}.summit-photo figcaption{padding:14px 24px}.rio-photo-grid--preview{grid-template-columns:1fr}.section-banner img{aspect-ratio:3/2}.join-card{display:flex}.join-card .card-photo{aspect-ratio:3/2}.join-card h3{font-size:2rem}.join-card .button{font-size:.95rem}.page-hero.with-photo>.shell{grid-template-columns:1fr}.page-hero.with-photo .h1{font-size:2.7rem}.page-hero.with-photo{padding:36px 0}.page-hero-photo{max-height:360px}.join-card-copy{padding:26px}.protect-summary{gap:26px}.practice-feature .h2{font-size:2.4rem}.opening-player .film-launch strong{font-size:.9rem}}
@media(max-width:390px){.vibrant-home .hero-facts .fact:nth-child(3){flex-direction:column;align-items:flex-start}.vibrant-home .hero-facts .fact:nth-child(3) strong{font-size:3.9rem}.vibrant-home .hero-facts .fact:nth-child(3) span{max-width:none}#humanity-index .index-lenses{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){.button{transition:none}.button:hover{transform:none}}
@media(min-width:761px){.rio-photo-grid--preview{grid-template-columns:repeat(3,minmax(0,1fr))}}