/* Built Digital SA — technology-forward revision, grounded in the BDSA Theme colours/type */
:root{--orange:#e7560b;--lightorange:#ffad71;--deeporange:#b93c00;--ink:#172027;--muted:#4f5b63;--edge:#d9e1e4;--pale:#f4f6f5;--cream:#fff5eb;--night:#121d26;--mono:'IBM Plex Mono',monospace;--display:'Space Grotesk','Inter',Arial,sans-serif;--sans:'Inter',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.65 var(--sans);color:var(--ink);background:white;-webkit-font-smoothing:antialiased}a{color:inherit}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--display);font-weight:700;letter-spacing:-.042em;line-height:1.12;text-wrap:balance}h1{font-size:clamp(3rem,6.1vw,5.35rem)}h2{font-size:clamp(2.15rem,4.1vw,3.55rem)}h3{font-size:1.6rem}em{color:var(--orange);font-style:normal}a:focus-visible,button:focus-visible{outline:3px solid var(--orange);outline-offset:3px}.wrap{max-width:1260px;padding:0 32px;margin:auto}.skip{position:absolute;left:12px;top:-70px;background:white;padding:14px;z-index:500}.skip:focus{top:12px}
.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid #e8e8e6;position:sticky;top:0;z-index:100;backdrop-filter:blur(18px)}.nav-inner{height:83px;display:flex;justify-content:space-between;align-items:center;gap:18px}.logo{display:flex;align-items:center;text-decoration:none;flex:0 0 auto}.logo img{width:155px;height:74px;object-fit:contain;object-position:left center}.nav{display:flex;gap:17px;align-items:center}.nav>a:not(.nav-join){text-decoration:none;font-weight:650;font-size:.81rem;color:#48545c;white-space:nowrap;padding:10px 2px;border-bottom:2px solid transparent}.nav>a:hover:not(.nav-join),.nav>a.active:not(.nav-join){color:var(--orange);border-color:var(--orange)}.nav-join{background:var(--orange);color:white;text-decoration:none;font-size:.72rem;letter-spacing:.07em;font-weight:800;padding:16px 21px;border-radius:3px;display:flex;align-items:center;gap:19px;white-space:nowrap;box-shadow:0 9px 22px rgba(231,86,11,.18)}.nav-join:hover,.button.orange:hover{background:var(--deeporange)}.menu-toggle{display:none;border:0;background:none;padding:12px;cursor:pointer}.menu-toggle span{width:25px;height:2px;background:var(--ink);display:block;margin:5px 0}
.tag{font:700 .67rem/1.4 var(--mono);color:var(--deeporange);letter-spacing:.14em;text-transform:uppercase;margin-bottom:24px;display:block}.tag:before{content:'';display:inline-block;width:20px;height:2px;background:var(--orange);vertical-align:middle;margin-right:11px}.tag-inverse{color:#ffd8bc}.tag-inverse:before{background:#fff}.lead{font-size:1.13rem;color:#58626b;line-height:1.85;max-width:650px}.button{font:800 .72rem/1.2 var(--sans);letter-spacing:.08em;text-decoration:none;text-transform:uppercase;display:inline-flex;align-items:center;justify-content:space-between;gap:25px;min-height:52px;padding:18px 23px;border:1.5px solid var(--orange);border-radius:3px;transition:background .2s,color .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button.orange{background:var(--orange);color:white}.button.outline{background:transparent;color:var(--deeporange)}.button.outline:hover{background:var(--cream)}.button.white{background:#fff;color:var(--deeporange);border-color:white}.button.white:hover{background:#ffe3cf}.action-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:31px}
.home-hero{padding:95px 0 100px;background:radial-gradient(circle at 1% 100%,#fff4e9 0%,transparent 32%),linear-gradient(120deg,#fff,#f7f8f8)}.home-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:60px;align-items:center}.hero-copy h1{max-width:750px}.hero-copy .lead{margin-top:26px}.meta-line{margin-top:52px;padding-top:22px;border-top:1px solid #dce0e0;display:flex;gap:25px;flex-wrap:wrap;font:600 .6rem var(--mono);letter-spacing:.08em;color:#7a8488}.meta-line span:before{content:'';display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--orange);margin-right:9px;vertical-align:2px}.tech-panel{position:relative;background:var(--night);color:white;min-height:482px;padding:22px 23px;box-shadow:0 24px 44px -26px rgba(15,30,40,.6);border:1px solid #35444d;border-radius:6px;overflow:hidden}.tech-panel:before{content:'';position:absolute;width:270px;height:270px;right:-135px;top:70px;border:1px solid #f77c23;border-radius:50%;opacity:.3}.tech-top,.tech-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;font:.6rem var(--mono);letter-spacing:.07em;color:#8dabb9}.tech-top b{color:var(--lightorange);font-weight:500}.tech-bottom{color:#b0c4cd;position:relative}.tech-bottom strong{color:var(--lightorange)}.network-art{width:100%;height:355px;display:block}.float-chip{position:absolute;background:rgba(27,43,53,.95);border:1px solid #46606e;color:#d7e4e8;font:600 .65rem var(--mono);padding:12px 14px;letter-spacing:.05em;box-shadow:0 10px 25px #07101888}.float-chip span{color:var(--orange)}.float-chip.one{top:93px;right:15px}.float-chip.two{bottom:94px;left:14px}
.orange-event{background:linear-gradient(115deg,#e9640f 0%,#bf3a00 100%);padding:57px 0;color:white;position:relative;overflow:hidden}.orange-event:after{content:'';position:absolute;right:-75px;top:-150px;width:500px;height:500px;border:1px solid #ffffff55;border-radius:50%;pointer-events:none}.event-inner{display:grid;grid-template-columns:1fr 260px;align-items:center;gap:70px;position:relative;z-index:1}.orange-event h2{font-size:clamp(2.5rem,4vw,3.9rem)}.orange-event p:not(.tag){color:#ffe4d1;max-width:700px;margin-top:13px}.event-facts{display:flex;gap:23px;flex-wrap:wrap;margin-top:25px;font:600 .73rem var(--mono);letter-spacing:.05em}.event-facts span{border-left:2px solid white;padding-left:12px}.event-cta{text-align:right}.event-cta strong{display:block;font:600 6rem/1 var(--display);margin-bottom:18px}.event-cta small{font:600 .62rem var(--mono);color:#ffe6d4;display:block}
.section{padding:95px 0}.section.light{background:var(--pale)}.section-lead{display:grid;grid-template-columns:1fr minmax(240px,390px);gap:45px;align-items:end;margin-bottom:45px}.section-lead h2{max-width:900px}.section-lead>p{color:var(--muted);font-size:1rem;line-height:1.85}.future-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.feature-card{border:1px solid var(--edge);background:#fff;border-radius:5px;padding:29px 24px;display:flex;flex-direction:column;min-height:283px}.feature-card .num{font:650 .72rem var(--mono);color:var(--orange)}.feature-card .card-eyebrow{font:550 .62rem/1.6 var(--mono);color:#75828b;letter-spacing:.08em;margin-top:20px}.feature-card h3{font-size:1.54rem;margin-top:18px;margin-bottom:12px}.feature-card p{font-size:.86rem;color:var(--muted);line-height:1.75;flex:1}.text-link{font:750 .78rem var(--sans);color:var(--deeporange);text-decoration:none;display:inline-flex;gap:20px;align-items:center}.text-link:hover{text-decoration:underline}.section-link{margin-top:32px}.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.principles>div{border-top:2px solid var(--orange);background:white;padding:28px 25px 34px}.principles b{font:700 .72rem var(--mono);color:var(--orange)}.principles h3{margin:26px 0 11px}.principles p{font-size:.86rem;color:var(--muted)}
.dark-section{background:var(--night);color:white;background-image:linear-gradient(#ffffff07 1px,transparent 1px),linear-gradient(90deg,#ffffff07 1px,transparent 1px);background-size:42px 42px}.dark-section em{color:#ff9c54}.dark-section .section-lead>p,.dark-section .big-p{color:#b6c2c8}.dark-section .tag{color:#ffbd88}.dark-section .feature-card{background:#1b2a34;border-color:#3b4d57}.dark-section .feature-card h3{color:#fff}.dark-section .feature-card p{color:#b5c6cf}.dark-section .feature-card .card-eyebrow{color:#a2b1bd}.lifecycle{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.lifecycle>div{border:1px solid #415562;background:#20313c;min-height:170px;padding:25px 18px;position:relative}.lifecycle>div:not(:last-child):after{content:'→';color:var(--lightorange);position:absolute;right:-13px;top:43%;z-index:1;font-size:26px}.lifecycle span,.lifecycle small{display:block;font:.65rem/1.5 var(--mono);color:#89a4b3}.lifecycle strong{display:block;font:600 1.2rem var(--display);margin:26px 0 12px}.lifecycle small{font:.73rem/1.5 var(--sans);color:#a6bdc6}.lifecycle-note{margin-top:25px;font:600 .62rem var(--mono);color:#9eb2bd;letter-spacing:.12em}.lifecycle-note span{color:var(--orange);padding:0 13px}
.path-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.path-grid.three{grid-template-columns:repeat(3,1fr)}.path-grid>a{display:flex;flex-direction:column;padding:30px 25px;background:#fff;border:1px solid var(--edge);border-radius:4px;min-height:265px;text-decoration:none;transition:box-shadow .2s,transform .2s}.path-grid>a:hover{transform:translateY(-4px);box-shadow:0 18px 35px #283c4a17}.path-grid span{font:650 .65rem var(--mono);color:var(--deeporange)}.path-grid h3{margin:31px 0 12px}.path-grid p{font-size:.85rem;color:var(--muted);flex:1}.path-grid b{font-size:.7rem;color:var(--deeporange);letter-spacing:.02em;padding-top:20px}.logo-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:34px 0}.logo-cell{min-height:105px;border:1px solid var(--edge);padding:18px 13px;background:#fff;display:flex;align-items:center;justify-content:center}.logo-cell img{max-height:66px;object-fit:contain;width:100%}
.join-section{background:linear-gradient(112deg,#e7560b,#ba3d04);padding:80px 0;color:#fff}.join-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px;align-items:center}.join-grid h2{font-size:clamp(2.5rem,4.6vw,4.2rem)}.join-grid em{color:#ffdcc2}.join-grid p:not(.tag){color:#ffe3cf;margin-bottom:20px;max-width:400px}.footer{background:#111b22;color:#f0f4f5;padding:74px 0 25px}.footer-grid{display:grid;grid-template-columns:2.2fr .85fr .95fr 1.2fr;gap:39px}.footer-about h2{font-size:2.35rem;margin-bottom:23px}.footer-about em{color:#ff9b57}.footer-about p:not(.tag),.footer-col p{color:#a9b8be;font-size:.82rem;max-width:360px}.footer-col h3{font:700 .7rem var(--mono);color:#ffb786;letter-spacing:.1em;margin-bottom:22px}.footer-col a{display:block;color:#cbd7dc;text-decoration:none;font-size:.82rem;line-height:2.2;overflow-wrap:anywhere}.footer-col a:hover{color:var(--lightorange)}.footer-tail{border-top:1px solid #34444e;display:flex;justify-content:space-between;gap:20px;color:#90a0a9;font-size:.7rem;padding-top:25px;margin-top:70px}
.page-hero{padding:84px 0;background:linear-gradient(120deg,#fff8f1,#f5f8f9);border-bottom:1px solid #e4ebea;overflow:hidden}.page-hero-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:60px;align-items:center}.page-hero h1{margin:0 0 28px}.page-hero .lead{max-width:760px}.hero-mini{background:var(--night);border:1px solid #3e5159;border-radius:4px;padding:21px;color:white;min-height:285px;overflow:hidden}.hero-mini>span{font:.62rem var(--mono);color:#9fb0bd}.hero-mini svg{display:block;width:100%;height:190px}.hero-mini>strong{font:700 .8rem var(--mono);color:#ffae73;letter-spacing:.1em}.copy-columns{display:grid;grid-template-columns:1fr 1fr;gap:80px}.copy-columns p{color:var(--muted);line-height:1.95;margin-bottom:22px}.split-spotlight{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.split-spotlight h2{margin-bottom:30px}.big-p{font-size:1.03rem;color:var(--muted);margin-bottom:26px}.spotlight-box{background:#eef2f3;border:1px solid #dbe5e9;padding:26px 30px}.spotlight-box.dark{background:#21333d;border-color:#425963}.spotlight-box>p{font:650 .67rem var(--mono);color:var(--deeporange);margin-bottom:26px}.spotlight-box.dark>p{color:#ffa06a}.spotlight-box>div{padding:13px 0;border-top:1px solid #d2dee0;display:flex;justify-content:space-between;gap:15px;font-weight:680}.spotlight-box.dark>div{border-color:#46606f;color:white}.spotlight-box>div span{color:var(--orange)}.quote-box{background:#fff;border:1px solid var(--edge);border-left:5px solid var(--orange);padding:40px}.quote-box>span{font:700 .68rem var(--mono);color:var(--deeporange)}.quote-box blockquote{font:600 2.15rem/1.2 var(--display);margin:25px 0}.quote-box p{color:var(--muted);font-size:.88rem}.outcomes-grid,.reason-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.outcomes-grid>div{background:#fff;padding:28px;border:1px solid var(--edge)}.outcomes-grid span,.reason-grid b{font:.73rem var(--mono);color:var(--orange)}.outcomes-grid strong{display:block;font:600 1.5rem var(--display);margin:17px 0}.outcomes-grid p,.reason-grid p{color:var(--muted);font-size:.89rem}.reason-grid{grid-template-columns:repeat(5,1fr)}.reason-grid>div{background:#fff;border-top:3px solid var(--orange);padding:23px 19px;min-height:155px}.reason-grid p{margin-top:26px;font-weight:600}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.team-card{border:1px solid var(--edge);overflow:hidden;background:#fff}.team-photo{height:315px;background:#f2eee9;display:flex;align-items:center;justify-content:center}.team-photo img{width:100%;height:100%;object-fit:cover;object-position:center 20%}.person-initials{font:600 6rem var(--display);color:var(--orange)}.team-desc{padding:24px}.team-desc>span{font:700 .66rem var(--mono);color:var(--deeporange);letter-spacing:.1em}.team-desc h3{margin:12px 0}.team-desc p{font-size:.86rem;color:var(--muted)}
.event-showcase{display:grid;grid-template-columns:215px 1fr;background:#fff;border:1px solid var(--edge)}.event-datebox{background:linear-gradient(160deg,#f16e11,#b83700);color:#fff;padding:24px 27px;display:flex;flex-direction:column;align-items:center;justify-content:space-around;text-align:center}.event-datebox span,.event-datebox b,.event-datebox small{font:650 .72rem var(--mono);letter-spacing:.1em}.event-datebox strong{font:650 9rem/.85 var(--display)}.event-content{padding:45px 52px}.event-content h2{margin:0 0 20px}.event-content p:not(.tag){color:var(--muted);line-height:1.85}.event-content .event-venue{color:var(--deeporange)!important;font:650 .73rem var(--mono);margin:24px 0}.chips{display:flex;gap:8px;flex-wrap:wrap}.chips span{background:var(--cream);border:1px solid #f0d3b8;padding:6px 12px;font:.68rem var(--mono);color:#88430f}.history-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}.history-list>div{border-top:2px solid var(--orange);background:#fff;padding:28px}.history-list span{font:.68rem var(--mono);color:var(--orange)}.history-list strong{display:block;font:600 1.6rem var(--display);margin:22px 0 12px}.history-list p{color:var(--muted);font-size:.87rem}.history-list a{display:block;color:var(--deeporange);margin-top:12px;font-size:.8rem}
.workshop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.workshop-card{border:1px solid var(--edge);background:#fff;min-height:275px;padding:28px;display:flex;flex-direction:column}.workshop-card>span{font:650 .65rem var(--mono);letter-spacing:.04em;color:var(--deeporange)}.workshop-card h3{margin:25px 0 15px}.workshop-card p{font-size:.87rem;color:var(--muted);flex:1}.workshop-bottom{border-top:1px solid var(--edge);padding-top:16px;margin-top:25px;font:600 .67rem var(--mono);color:var(--deeporange);display:flex;justify-content:space-between}
.plan-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.plan{padding:27px 21px;border:1px solid var(--edge);background:white;display:flex;flex-direction:column}.plan.premium{border:2px solid var(--orange)}.plan-name{font:650 .76rem var(--mono);letter-spacing:.07em;color:var(--deeporange)}.plan-price{font:650 2.6rem var(--display);margin:22px 0 0}.plan-term{font:.65rem var(--mono);color:#738188}.plan>p{font-size:.84rem;color:var(--muted);margin:20px 0}.plan ul,.sponsor-tier ul{padding:18px 0 15px;list-style:none;border-top:1px solid var(--edge);margin:0;flex:1}.plan li,.sponsor-tier li{font-size:.8rem;color:var(--muted);padding:9px 0 9px 20px;position:relative}.plan li:before,.sponsor-tier li:before{content:'✓';position:absolute;left:0;color:var(--orange);font-weight:700}.plan .button{margin-top:20px;font-size:.62rem;padding:14px 13px;min-height:50px}
.discussion-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.discussion-grid .feature-card{min-height:200px}.notice{border-left:4px solid var(--orange);background:var(--cream);padding:20px 24px;margin-top:30px}.notice strong{font-size:.86rem}.notice p{font-size:.82rem;color:#65564a;margin-top:7px}.sponsor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.sponsor-tier{border:1px solid var(--edge);background:#fff;padding:29px 25px;display:flex;flex-direction:column}.sponsor-tier.gold{border:2px solid var(--orange);background:#fffcf9}.sponsor-tier>span{font:700 .76rem var(--mono);color:var(--deeporange)}.sponsor-tier h3{font-size:2.3rem;margin:17px 0}.sponsor-tier p{color:var(--muted);font-size:.85rem;margin:0 0 20px}.sponsor-tier .button{font-size:.68rem;margin-top:15px}.fineprint{font-size:.74rem;color:#79848b;margin-top:24px}.partner-opportunities{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.partner-opportunities>div{background:#20323d;border:1px solid #40515d;padding:30px}.partner-opportunities span{font:650 .67rem var(--mono);color:#ffa86f}.partner-opportunities h3{margin:20px 0;color:white}.partner-opportunities p{font-size:.86rem;color:#b3c5cc}.partner-opportunities b{color:#fff}
@media(max-width:1180px){.nav{gap:11px}.nav>a:not(.nav-join){font-size:.74rem}.nav-join{padding:15px 12px;font-size:.67rem;gap:9px}.future-grid{grid-template-columns:repeat(2,1fr)}.reason-grid{grid-template-columns:repeat(3,1fr)}.plan-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.6fr 1fr 1fr}}
@media(max-width:950px){.nav-inner{height:75px}.menu-toggle{display:block}.nav{position:absolute;top:74px;left:0;right:0;background:#fff;display:none;flex-direction:column;align-items:stretch;gap:0;padding:15px 27px 25px;border-bottom:1px solid var(--edge);box-shadow:0 16px 26px #14202919}.nav.open{display:flex}.nav>a:not(.nav-join){font-size:1rem;padding:11px 0}.nav-join{margin-top:12px;justify-content:space-between}.home-grid,.page-hero-grid{grid-template-columns:1fr}.hero-mini{display:none}.tech-panel{max-width:700px}.home-hero{padding:70px 0}.event-inner{grid-template-columns:1fr 190px}.section-lead{grid-template-columns:1fr}.lifecycle{grid-template-columns:repeat(2,1fr)}.lifecycle>div:nth-child(2):after{display:none}.path-grid{grid-template-columns:repeat(2,1fr)}.logo-strip{grid-template-columns:repeat(3,1fr)}.team-grid{grid-template-columns:repeat(2,1fr)}.workshop-grid{grid-template-columns:repeat(2,1fr)}.copy-columns,.split-spotlight{gap:40px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:660px){.wrap{padding:0 20px}.home-hero,.page-hero{padding:56px 0}.home-grid{gap:36px}.home-hero h1,.page-hero h1{font-size:clamp(2.8rem,11vw,4.5rem)}.tech-panel{min-height:370px;padding:17px}.network-art{height:280px}.float-chip{font-size:.54rem}.orange-event{padding:43px 0}.event-inner,.join-grid{grid-template-columns:1fr;gap:25px}.event-cta{display:flex;align-items:center;justify-content:space-between;text-align:left}.event-cta strong{font-size:4rem}.section{padding:65px 0}.future-grid,.principles,.path-grid,.path-grid.three,.copy-columns,.split-spotlight,.team-grid,.workshop-grid,.plan-grid,.discussion-grid,.sponsor-grid,.partner-opportunities,.history-list,.outcomes-grid,.reason-grid{grid-template-columns:1fr}.lifecycle{grid-template-columns:1fr}.lifecycle>div:after{display:none}.logo-strip{grid-template-columns:repeat(2,1fr)}.section-lead{gap:17px}.section-lead h2{font-size:clamp(2.2rem,8vw,3.2rem)}.page-hero h1{margin-bottom:20px}.team-photo{height:360px}.event-showcase{grid-template-columns:1fr}.event-datebox{display:flex;flex-direction:row;gap:13px;align-items:center}.event-datebox strong{font-size:4.1rem}.event-content{padding:27px 22px}.event-content h2{font-size:2.2rem}.footer-grid{grid-template-columns:1fr 1fr;gap:33px}.footer-about{grid-column:1/-1}.footer-col:last-child{grid-column:1/-1}.footer-tail{display:block;margin-top:35px}.footer-tail span{display:block;margin-bottom:10px}.join-grid h2{font-size:clamp(2.5rem,9vw,3.9rem)}.plan-grid .button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}