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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.brand-logo{width:52px;height:52px;object-fit:contain;flex-shrink:0}@media(max-width:720px){.brand-logo{width:43px;height:43px}}
.leaders .leader{display:grid;grid-template-columns:128px minmax(0,1fr);gap:24px;align-items:start}.leader-portrait{display:block;width:128px;height:128px;object-fit:cover;border-radius:3px}.leader-bio{min-width:0}@media(min-width:721px) and (max-width:1100px){.leaders .leader{grid-template-columns:1fr}}@media(max-width:480px){.leaders .leader{grid-template-columns:1fr;gap:20px}.leader-portrait{width:140px;height:140px}}
.partner-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.partner-card{background:#fff;border:1px solid var(--line);padding:30px;min-width:0;scroll-margin-top:30px}.partner-logo-box{height:130px;display:flex;align-items:center;justify-content:center;margin-bottom:25px}.partner-logo{display:block;width:100%;max-width:240px;height:100px;object-fit:contain}.partner-logo.logo-aps,.partner-logo.logo-nrg,.partner-logo.logo-ugent{max-width:150px}.partner-card h3{font-size:20px;line-height:1.35;text-wrap:balance}.partner-card p{font-size:15px;line-height:1.6;margin-top:12px;color:var(--muted)}.partner-count{font-size:18px;font-weight:500;color:var(--muted);vertical-align:middle;margin-left:12px}.partner-logo-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}.partner-logo-tile{display:flex;align-items:center;justify-content:center;background:#fff;padding:18px;min-width:0;min-height:110px;border:2px solid transparent}.partner-logo-tile:hover{border-color:var(--cyan)}.partner-logo-tile:focus-visible{outline-color:var(--cyan)}.partner-logo-tile .partner-logo{height:70px;max-width:170px}.partner-logo-tile .logo-aps,.partner-logo-tile .logo-nrg,.partner-logo-tile .logo-ugent{max-width:95px}@media(max-width:1000px){.partner-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.partner-logo-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media(max-width:600px){.partner-grid{grid-template-columns:1fr}.partner-logo-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.partner-card{padding:25px}.partner-section .section-title{gap:20px}}

/* CIRHY hero hydrogen diffusion prototype */
.material{position:relative;overflow:hidden}.material>img{display:block}.hydrogen-layer{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:2}.material-label{z-index:3}


/* Scroll-driven multiscale story: enhances the existing "Our approach" section
   without changing its wording or overall layout. */
.science-journey{overflow:hidden}
.science-journey .flow{position:relative;--flow-progress:0;overflow:visible}
.science-journey .flow-progress{position:absolute;left:-1px;top:0;width:2px;height:calc(100% * var(--flow-progress));max-height:100%;background:linear-gradient(to bottom,var(--cyan),var(--blue));transform-origin:top;transition:height .12s linear;z-index:1}
.science-journey .flow-item{min-height:122px;padding-right:132px;opacity:.5;transform:translateY(9px);transition:opacity .5s ease,transform .5s ease}
.science-journey .flow-item.is-active{opacity:1;transform:translateY(0)}
.science-journey .flow-item:before{z-index:2;transition:transform .35s ease,background .35s ease,box-shadow .35s ease}
.science-journey .flow-item.is-active:before{transform:scale(1.18);background:var(--cyan);box-shadow:0 0 0 5px rgba(72,223,235,.16)}
.science-journey .flow-item h3,.science-journey .flow-item p,.science-journey .flow-item span{position:relative;z-index:2}

.stage-visual{position:absolute;right:0;top:2px;width:104px;height:92px;border:1px solid rgba(0,126,145,.18);background:rgba(255,255,255,.5);overflow:hidden;opacity:.35;transform:scale(.94);transition:opacity .5s ease,transform .5s ease,border-color .5s ease;background-color .5s ease}
.flow-item.is-active .stage-visual{opacity:1;transform:scale(1);border-color:rgba(0,126,145,.42);background:rgba(255,255,255,.82)}
.stage-visual i,.stage-visual b{position:absolute;display:block}

/* 01 atomic scale: hydrogen moving among lattice sites */
.stage-atomic i{width:10px;height:10px;border:1.5px solid rgba(0,126,145,.72);border-radius:50%}
.stage-atomic i:nth-child(1){left:16px;top:18px}.stage-atomic i:nth-child(2){left:64px;top:16px}.stage-atomic i:nth-child(3){left:25px;top:58px}.stage-atomic i:nth-child(4){left:73px;top:56px}.stage-atomic i:nth-child(5){left:48px;top:38px}
.stage-atomic:before,.stage-atomic:after{content:'';position:absolute;inset:23px 22px;border-top:1px solid rgba(0,126,145,.22);border-bottom:1px solid rgba(0,126,145,.22);transform:skewY(-27deg)}
.stage-atomic b{left:48px;top:34px;font:700 10px/1 Arial,sans-serif;color:var(--deep);animation:journey-h 4.4s ease-in-out infinite alternate}

/* 02 micro scale: gently shifting grain-boundary field */
.stage-micro i{border:1px solid rgba(0,126,145,.45);width:50px;height:48px;transform:rotate(26deg);border-radius:45% 55% 40% 60%}
.stage-micro i:nth-child(1){left:-13px;top:-12px}.stage-micro i:nth-child(2){left:33px;top:-14px}.stage-micro i:nth-child(3){left:4px;top:42px}.stage-micro i:nth-child(4){left:55px;top:38px}
.flow-item.is-active .stage-micro i{animation:journey-grains 7s ease-in-out infinite alternate}
.stage-micro:after{content:'μm';position:absolute;right:8px;bottom:5px;font:700 9px/1 'DM Sans',sans-serif;letter-spacing:1px;color:rgba(0,126,145,.6)}

/* 03 component scale: restrained steel-component outline */
.stage-industrial:before{content:'';position:absolute;left:18px;right:18px;top:25px;height:40px;border:2px solid rgba(0,126,145,.55);border-radius:22px}
.stage-industrial:after{content:'';position:absolute;left:30px;right:30px;top:38px;height:14px;border:2px solid rgba(0,126,145,.32);border-radius:12px}
.stage-industrial i{width:5px;height:5px;border-radius:50%;background:var(--cyan);opacity:.75}
.stage-industrial i:nth-child(1){left:25px;top:43px}.stage-industrial i:nth-child(2){left:50px;top:43px}.stage-industrial i:nth-child(3){left:75px;top:43px}
.flow-item.is-active .stage-industrial i{animation:journey-signal 2.7s ease-in-out infinite}
.flow-item.is-active .stage-industrial i:nth-child(2){animation-delay:.5s}.flow-item.is-active .stage-industrial i:nth-child(3){animation-delay:1s}

@keyframes journey-h{0%{transform:translate(-12px,9px);opacity:.45}45%{transform:translate(8px,-5px);opacity:1}100%{transform:translate(23px,12px);opacity:.55}}
@keyframes journey-grains{0%{transform:rotate(24deg) translate(0,0)}100%{transform:rotate(29deg) translate(2px,-2px)}}
@keyframes journey-signal{0%,100%{transform:scale(.75);opacity:.28}50%{transform:scale(1.55);opacity:1}}

@media(max-width:720px){.science-journey .flow-item{padding-right:0;min-height:auto}.stage-visual{display:none}}
@media(prefers-reduced-motion:reduce){.science-journey .flow-item{opacity:1;transform:none}.stage-visual{opacity:.75;transform:none}.stage-atomic b,.stage-micro i,.stage-industrial i{animation:none!important}.science-journey .flow-progress{transition:none}}

/* v7: a quiet visual thread carries the multiscale journey into the collaboration section. */
.science-journey{position:relative;padding-bottom:126px}
.journey-bridge{position:absolute;left:50%;bottom:-72px;width:1px;height:144px;background:linear-gradient(to bottom,rgba(0,126,145,.18),rgba(72,223,235,.92));z-index:3;pointer-events:none}
.journey-bridge:before,.journey-bridge:after{content:'';position:absolute;left:50%;transform:translateX(-50%);border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(72,223,235,.10)}
.journey-bridge:before{width:7px;height:7px;top:36px}.journey-bridge:after{width:9px;height:9px;bottom:22px}
.journey-bridge i{position:absolute;left:50%;top:0;width:5px;height:5px;border-radius:50%;background:var(--cyan);transform:translate(-50%,0);opacity:.75;animation:bridge-trace 4.8s ease-in-out infinite}
@keyframes bridge-trace{0%{transform:translate(-50%,5px);opacity:0}18%{opacity:.85}82%{opacity:.85}100%{transform:translate(-50%,132px);opacity:0}}
.partner-band{position:relative;padding-top:118px}
.partner-band .section-title{align-items:start;margin-bottom:44px}
.partner-band .section-title>div:last-child{padding-top:4px;max-width:530px}
.partner-logo-grid{margin-top:6px}
@media(max-width:720px){.science-journey{padding-bottom:88px}.journey-bridge{height:100px;bottom:-50px}.journey-bridge:before{top:25px}.journey-bridge:after{bottom:17px}.journey-bridge i{animation:none;top:46px}.partner-band{padding-top:90px}}
@media(prefers-reduced-motion:reduce){.journey-bridge i{animation:none;top:68px}}

/* v8 challenge story: variability -> hydrogen interaction -> predictive design */
.challenge-cards{position:relative;--challenge-progress:0}
.challenge-card{position:relative;padding-top:116px;opacity:.62;transform:translateY(10px);transition:opacity .55s ease,transform .55s ease}
.challenge-card.is-active{opacity:1;transform:none}
.challenge-visual{position:absolute;left:0;top:20px;width:112px;height:72px;overflow:hidden;opacity:.42;transition:opacity .5s ease,transform .5s ease;transform:scale(.96);pointer-events:none}
.challenge-card.is-active .challenge-visual{opacity:1;transform:scale(1)}
.challenge-flow{position:absolute;left:0;right:0;top:91px;height:1px;background:rgba(0,126,145,.13);overflow:hidden;pointer-events:none}
.challenge-flow i{display:block;width:calc(100% * var(--challenge-progress));height:100%;background:linear-gradient(90deg,var(--cyan),var(--blue));transition:width .14s linear}

/* Circularity: restrained grain field with residual-element cues. */
.visual-circularity i{position:absolute;border:1px solid rgba(0,126,145,.55);border-radius:48% 52% 42% 58%;background:rgba(72,223,235,.035)}
.visual-circularity i:nth-child(1){width:50px;height:44px;left:-9px;top:-8px;transform:rotate(18deg)}
.visual-circularity i:nth-child(2){width:57px;height:49px;left:35px;top:-13px;transform:rotate(-13deg)}
.visual-circularity i:nth-child(3){width:48px;height:45px;left:7px;top:35px;transform:rotate(-21deg)}
.visual-circularity i:nth-child(4){width:56px;height:47px;left:58px;top:32px;transform:rotate(17deg)}
.visual-circularity b{position:absolute;font:600 8px/1 Arial,sans-serif;color:rgba(0,126,145,.72);letter-spacing:.2px}
.visual-circularity b:nth-of-type(1){left:25px;top:19px}.visual-circularity b:nth-of-type(2){left:70px;top:18px}.visual-circularity b:nth-of-type(3){left:51px;top:51px}
.challenge-card.is-active .visual-circularity i{animation:v8-grain 7s ease-in-out infinite alternate}

/* Hydrogen resistance: H particles move irregularly through a grain field. */
.visual-hydrogen i{position:absolute;border:1px solid rgba(0,126,145,.34);border-radius:50%;width:52px;height:45px;transform:rotate(20deg)}
.visual-hydrogen i:nth-child(1){left:-12px;top:-8px}.visual-hydrogen i:nth-child(2){left:40px;top:-10px}.visual-hydrogen i:nth-child(3){left:4px;top:38px}.visual-hydrogen i:nth-child(4){left:62px;top:34px}
.visual-hydrogen b{position:absolute;width:17px;height:17px;border-radius:50%;display:grid;place-items:center;background:rgba(72,223,235,.24);border:1px solid rgba(0,126,145,.28);font:700 8px/1 Arial,sans-serif;color:var(--deep);opacity:.8}
.visual-hydrogen b:nth-of-type(1){left:8px;top:9px}.visual-hydrogen b:nth-of-type(2){left:51px;top:25px}.visual-hydrogen b:nth-of-type(3){left:88px;top:47px}
.challenge-card.is-active .visual-hydrogen b:nth-of-type(1){animation:v8-h1 4.8s ease-in-out infinite alternate}
.challenge-card.is-active .visual-hydrogen b:nth-of-type(2){animation:v8-h2 5.6s ease-in-out infinite alternate}
.challenge-card.is-active .visual-hydrogen b:nth-of-type(3){animation:v8-h3 4.2s ease-in-out infinite alternate}

/* Digital design: microstructure becomes a restrained engineering mesh + prediction trace. */
.visual-digital{border:1px solid rgba(0,126,145,.18);background-image:linear-gradient(rgba(0,126,145,.12) 1px,transparent 1px),linear-gradient(90deg,rgba(0,126,145,.12) 1px,transparent 1px);background-size:14px 14px}
.visual-digital:before{content:'';position:absolute;left:8px;right:8px;bottom:12px;height:34px;border-left:1px solid rgba(0,126,145,.3);border-bottom:1px solid rgba(0,126,145,.3)}
.visual-digital span{position:absolute;left:15px;bottom:18px;width:82px;height:30px;border-top:2px solid var(--cyan);border-radius:55% 45% 0 0;transform:rotate(-8deg);opacity:.72}
.visual-digital i{position:absolute;width:5px;height:5px;border-radius:50%;background:var(--cyan);opacity:.6}
.visual-digital i:nth-child(1){left:25px;top:42px}.visual-digital i:nth-child(2){left:57px;top:29px}.visual-digital i:nth-child(3){left:89px;top:18px}
.challenge-card.is-active .visual-digital span{animation:v8-predict 3.8s ease-in-out infinite alternate}

@keyframes v8-grain{0%{transform:translate(0,0) rotate(18deg)}100%{transform:translate(2px,-1px) rotate(21deg)}}
@keyframes v8-h1{0%{transform:translate(0,0);opacity:.45}45%{transform:translate(23px,13px);opacity:1}100%{transform:translate(37px,29px);opacity:.28}}
@keyframes v8-h2{0%{transform:translate(-8px,11px);opacity:.35}55%{transform:translate(12px,-8px);opacity:1}100%{transform:translate(28px,8px);opacity:.35}}
@keyframes v8-h3{0%{transform:translate(7px,-4px);opacity:.35}50%{transform:translate(-15px,-20px);opacity:1}100%{transform:translate(-31px,-28px);opacity:.25}}
@keyframes v8-predict{0%{transform:rotate(-8deg) scaleX(.72);transform-origin:left;opacity:.35}100%{transform:rotate(-8deg) scaleX(1);transform-origin:left;opacity:.9}}
@media(max-width:720px){.challenge-card{padding-top:92px}.challenge-flow{display:none}.challenge-visual{top:12px}}
@media(prefers-reduced-motion:reduce){.challenge-card{opacity:1;transform:none}.challenge-visual{opacity:.85;transform:none}.challenge-visual *{animation:none!important}.challenge-flow i{width:100%;transition:none}}

/* v9 challenge visuals: shared Voronoi microstructure across all three stories */
.challenge-cards.v9{position:relative}
.challenge-cards.v9 .challenge-card{padding-top:190px;opacity:.64;transform:translateY(10px);transition:opacity .55s ease,transform .55s ease}
.challenge-cards.v9 .challenge-card.is-active{opacity:1;transform:none}
.challenge-cards.v9 .challenge-visual{position:absolute;left:0;right:0;top:18px;width:auto;height:148px;overflow:visible;opacity:.5;transform:scale(.985);transform-origin:left center;transition:opacity .55s ease,transform .55s ease;pointer-events:none}
.challenge-cards.v9 .challenge-card.is-active .challenge-visual{opacity:1;transform:scale(1)}
.challenge-cards.v9 .voronoi-svg{width:100%;height:100%;display:block;overflow:visible}
.challenge-cards.v9 .grains path{fill:rgba(72,223,235,.035);stroke:rgba(0,126,145,.38);stroke-width:1.25;vector-effect:non-scaling-stroke}
.challenge-cards.v9 .challenge-card.is-active .grains path{animation:v9-grain-breathe 7.5s ease-in-out infinite alternate;transform-origin:center}
.challenge-cards.v9 .grains path:nth-child(2n){animation-delay:-2.8s}.challenge-cards.v9 .grains path:nth-child(3n){animation-delay:-4.4s}

/* 01: residual-element markers, deliberately larger than H markers */
.element-markers circle:first-child{fill:rgba(72,223,235,.16);stroke:rgba(72,223,235,.18);stroke-width:1}
.element-markers circle:nth-child(2){fill:rgba(72,223,235,.28);stroke:rgba(0,126,145,.18);stroke-width:1}
.element-markers text{font:700 11px/1 Arial,sans-serif;fill:var(--deep);text-anchor:middle;letter-spacing:.1px}
.challenge-card.is-active .element-markers>g{animation:v10-marker-glow 4.6s ease-in-out infinite alternate}
.challenge-card.is-active .element-markers>g:nth-child(2){animation-delay:-1.6s}.challenge-card.is-active .element-markers>g:nth-child(3){animation-delay:-3.1s}
.element-markers.subdued{opacity:.46}

/* 02: exact same Voronoi field as 01, with moving H atoms layered above it */
.visual-hydrogen-v9{position:relative}
.h-particle{position:absolute;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;background:rgba(72,223,235,.24);border:1px solid rgba(0,126,145,.28);font:700 9px/1 Arial,sans-serif;color:var(--deep);box-shadow:0 0 0 5px rgba(72,223,235,.07);opacity:.8;will-change:transform,opacity}
.challenge-card.is-active .h1{left:5%;top:18%;animation:v9-h1 5.7s ease-in-out infinite alternate}
.challenge-card.is-active .h2{left:30%;top:54%;animation:v9-h2 6.6s ease-in-out infinite alternate}
.challenge-card.is-active .h3{left:53%;top:22%;animation:v9-h3 5.2s ease-in-out infinite alternate}
.challenge-card.is-active .h4{left:73%;top:59%;animation:v9-h4 6.2s ease-in-out infinite alternate}
.challenge-card.is-active .h5{left:88%;top:31%;animation:v9-h5 5.9s ease-in-out infinite alternate}

/* 03: same Voronoi field becomes a computational mesh and prediction trace */
.mesh-overlay path{fill:none;stroke:rgba(72,223,235,.18);stroke-width:.8;vector-effect:non-scaling-stroke}
.challenge-card.is-active .mesh-overlay{animation:v9-mesh-in 3.8s ease-in-out infinite alternate}
.prediction-trace path{fill:none;stroke:var(--cyan);stroke-width:2;stroke-linecap:round;vector-effect:non-scaling-stroke;stroke-dasharray:220;stroke-dashoffset:220;opacity:.8}
.prediction-trace circle{fill:var(--cyan);opacity:.78}
.challenge-card.is-active .prediction-trace path{animation:v9-draw 4.3s ease-in-out infinite alternate}
.challenge-card.is-active .prediction-trace circle{animation:v9-point 2.2s ease-in-out infinite alternate}

@keyframes v9-grain-breathe{0%{transform:translate(0,0) scale(1)}100%{transform:translate(.8px,-.6px) scale(1.008)}}
@keyframes v10-marker-glow{0%{opacity:.72}100%{opacity:1}}
@keyframes v9-h1{0%{transform:translate(0,0);opacity:.32}45%{transform:translate(38px,20px);opacity:1}100%{transform:translate(78px,43px);opacity:.24}}
@keyframes v9-h2{0%{transform:translate(0,0);opacity:.34}52%{transform:translate(22px,-34px);opacity:1}100%{transform:translate(64px,-13px);opacity:.2}}
@keyframes v9-h3{0%{transform:translate(0,0);opacity:.28}42%{transform:translate(-26px,36px);opacity:1}100%{transform:translate(-58px,58px);opacity:.22}}
@keyframes v9-h4{0%{transform:translate(0,0);opacity:.32}55%{transform:translate(-34px,-24px);opacity:1}100%{transform:translate(-72px,-39px);opacity:.22}}
@keyframes v9-h5{0%{transform:translate(0,0);opacity:.26}48%{transform:translate(-42px,22px);opacity:1}100%{transform:translate(-82px,48px);opacity:.2}}
@keyframes v9-mesh-in{0%{opacity:.18}100%{opacity:.82}}
@keyframes v9-draw{0%{stroke-dashoffset:220;opacity:.22}100%{stroke-dashoffset:0;opacity:.95}}
@keyframes v9-point{0%{opacity:.3}100%{opacity:.9}}

@media(max-width:720px){
  .challenge-cards.v9 .challenge-card{padding-top:150px}
  .challenge-cards.v9 .challenge-visual{height:116px;top:12px}
  .h-particle{width:16px;height:16px;font-size:8px}
}
@media(prefers-reduced-motion:reduce){
  .challenge-cards.v9 .challenge-card{opacity:1;transform:none}
  .challenge-cards.v9 .challenge-visual{opacity:1;transform:none}
  .challenge-cards.v9 *{animation:none!important}
  .prediction-trace path{stroke-dashoffset:0}
}

/* v11: stronger card separation and richer shared microstructure */
.challenge-cards.v9{gap:34px}
.challenge-cards.v9 .challenge-visual{left:10px;right:10px;top:18px;height:154px;overflow:hidden;border-radius:2px}
.challenge-cards.v9 .grains.detailed path{stroke:rgba(0,126,145,.40);stroke-width:1.15;vector-effect:non-scaling-stroke}
.challenge-cards.v9 .grains.detailed .ga{fill:url(#grainA)}
.challenge-cards.v9 .grains.detailed .gb{fill:url(#grainB)}
.challenge-cards.v9 .grains.detailed .gc{fill:url(#grainC)}
.challenge-cards.v9 .visual-digital-v9 .element-markers{opacity:.28}
.challenge-cards.v9 .visual-digital-v9 .grains path{opacity:.72}
@media(max-width:720px){.challenge-cards.v9{gap:0}.challenge-cards.v9 .challenge-visual{left:4px;right:4px;height:118px}}


/* v12: digital-design panel is intentionally static. H markers show local interaction
   near Cu, Ni and Mn; mesh and prediction graph remain visible without animation. */
.visual-digital-v9 .digital-h-markers circle{fill:rgba(72,223,235,.24);stroke:rgba(0,126,145,.30);stroke-width:1}
.visual-digital-v9 .digital-h-markers text{font:700 8px/1 Arial,sans-serif;fill:var(--deep);text-anchor:middle}
.visual-digital-v9 .mesh-overlay{opacity:.68!important;animation:none!important}
.visual-digital-v9 .mesh-overlay .triangulation{stroke:rgba(72,223,235,.24);stroke-width:.65}
.visual-digital-v9 .prediction-axes path{fill:none;stroke:rgba(0,126,145,.34);stroke-width:.9;vector-effect:non-scaling-stroke}
.visual-digital-v9 .prediction-trace path{stroke-dasharray:none;stroke-dashoffset:0;opacity:.88;animation:none!important}
.visual-digital-v9 .prediction-trace .prediction-alt{stroke-dasharray:4 3;stroke-width:1.15;opacity:.58}
.visual-digital-v9 .prediction-trace circle{opacity:.82;animation:none!important}
.challenge-card[data-challenge="digital"] .grains path,
.challenge-card[data-challenge="digital"] .element-markers>g{animation:none!important}
.challenge-card[data-challenge="digital"] .challenge-visual{transform:none!important}

/* V13: static digital-design visual; 01 and 02 unchanged */
.visual-digital-v13{overflow:hidden}
.visual-digital-v13 .digital-base path{stroke:rgba(0,126,145,.38);stroke-width:1;vector-effect:non-scaling-stroke}
.visual-digital-v13 .digital-base .ga{fill:url(#grainA13)}
.visual-digital-v13 .digital-base .gb{fill:url(#grainB13)}
.visual-digital-v13 .digital-base .gc{fill:url(#grainC13)}
.visual-digital-v13 .digital-fem-mesh path{fill:none;stroke:rgba(72,223,235,.34);stroke-width:.58;vector-effect:non-scaling-stroke}
.visual-digital-v13 .digital-element-markers circle:first-child{fill:rgba(72,223,235,.18);stroke:rgba(72,223,235,.24);stroke-width:1}
.visual-digital-v13 .digital-element-markers circle:nth-child(2){fill:rgba(72,223,235,.34);stroke:rgba(0,126,145,.22);stroke-width:1}
.visual-digital-v13 .digital-element-markers text{font:700 11px/1 Arial,sans-serif;fill:var(--deep);text-anchor:middle}
.visual-digital-v13 .digital-h-markers-v13 circle{fill:#eefbfd;stroke:rgba(0,126,145,.5);stroke-width:1}
.visual-digital-v13 .digital-h-markers-v13 text{font:700 8px/1 Arial,sans-serif;fill:var(--deep);text-anchor:middle}
.visual-digital-v13 .digital-graph-panel rect{fill:rgba(255,255,255,.78);stroke:rgba(72,223,235,.28);stroke-width:.8}
.visual-digital-v13 .graph-grid path{fill:none;stroke:rgba(72,223,235,.18);stroke-width:.55;vector-effect:non-scaling-stroke}
.visual-digital-v13 .graph-axes path{fill:none;stroke:rgba(0,126,145,.58);stroke-width:1;vector-effect:non-scaling-stroke}
.visual-digital-v13 .graph-curves path{fill:none;vector-effect:non-scaling-stroke}
.visual-digital-v13 .curve-main{stroke:#31d4e3;stroke-width:2}
.visual-digital-v13 .curve-alt{stroke:#31d4e3;stroke-width:1.2;stroke-dasharray:4 3;opacity:.72}
.visual-digital-v13 .graph-curves circle{fill:#31d4e3}
.challenge-card[data-challenge="digital"] .visual-digital-v13 *{animation:none!important}

/* v14: static challenge cards with 10% desktop hover enlargement */
.challenge-cards.v9 .challenge-card,
.challenge-cards.v9 .challenge-card.is-active{
  opacity:1;
  transform:scale(1);
  transform-origin:center center;
  transition:transform .28s ease;
  z-index:1;
}
.challenge-cards.v9 .challenge-card:hover{
  transform:scale(1.10);
  z-index:10;
}
.challenge-cards.v9 .challenge-visual,
.challenge-cards.v9 .challenge-card.is-active .challenge-visual{
  opacity:1;
  transform:none;
}
/* Keep the cards themselves static: no grain/marker breathing. */
.challenge-cards.v9 .grains path,
.challenge-cards.v9 .element-markers>g{
  animation:none!important;
}
/* Preserve the intentional hydrogen motion inside card 02. */
.challenge-card[data-challenge="hydrogen"] .h1{left:5%;top:18%;animation:v9-h1 5.7s ease-in-out infinite alternate}
.challenge-card[data-challenge="hydrogen"] .h2{left:30%;top:54%;animation:v9-h2 6.6s ease-in-out infinite alternate}
.challenge-card[data-challenge="hydrogen"] .h3{left:53%;top:22%;animation:v9-h3 5.2s ease-in-out infinite alternate}
.challenge-card[data-challenge="hydrogen"] .h4{left:73%;top:59%;animation:v9-h4 6.2s ease-in-out infinite alternate}
.challenge-card[data-challenge="hydrogen"] .h5{left:88%;top:31%;animation:v9-h5 5.9s ease-in-out infinite alternate}
@media (hover:none), (max-width:720px){
  .challenge-cards.v9 .challenge-card:hover{transform:none}
}
@media(prefers-reduced-motion:reduce){
  .challenge-cards.v9 .challenge-card{transition:none}
  .challenge-card[data-challenge="hydrogen"] .h-particle{animation:none!important}
}

/* V15: revised science-journey visuals for 02 Predict and 03 Validate */
.stage-micro-v15 svg,.stage-industrial-v15 svg{width:100%;height:100%;display:block}
.stage-micro-v15 .micro-grains path{fill:rgba(239,249,251,.45);stroke:rgba(0,126,145,.42);stroke-width:1.15;vector-effect:non-scaling-stroke}
.stage-micro-v15 .micro-elements>g>circle:first-of-type{fill:rgba(72,223,235,.18);stroke:rgba(0,126,145,.22);stroke-width:1}
.stage-micro-v15 .micro-elements>g>circle:nth-of-type(2){fill:rgba(72,223,235,.30);stroke:rgba(0,126,145,.38);stroke-width:.9}
.stage-micro-v15 .micro-elements text{font:700 7px/1 'DM Sans',sans-serif;text-anchor:middle;dominant-baseline:middle;fill:#06445a}
.stage-micro-v15 .micro-elements .h{fill:#fff;stroke:rgba(0,126,145,.62);stroke-width:1}
.stage-micro-v15 .micro-elements .ht{font-size:6px;fill:#06445a}
.stage-industrial-v15 .valve-line{fill:none;stroke:rgba(0,126,145,.67);stroke-width:1.55;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
@media(prefers-reduced-motion:reduce){.stage-micro-v15 svg,.stage-industrial-v15 svg{animation:none!important}}

/* Consortium partner card interactions (V17) */
.partner-card-link{
  display:block;
  color:inherit;
  text-decoration:none;
  cursor:pointer;
  position:relative;
  transform:scale(1);
  transform-origin:center;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  z-index:1;
}
@media (hover:hover) and (pointer:fine){
  .partner-card-link:hover{
    transform:scale(1.10);
    z-index:10;
    border-color:var(--cyan);
    box-shadow:0 16px 38px rgba(9,45,65,.14);
  }
}
.partner-card-link:focus-visible{
  outline:3px solid var(--cyan);
  outline-offset:4px;
  z-index:10;
}
@media (prefers-reduced-motion:reduce){
  .partner-card-link{transition:none;}
}

/* V20 disclaimer */
.footer-meta .text-link + .text-link{margin-left:22px}
.disclaimer-content p{max-width:none;line-height:1.75;margin:0 0 24px;color:var(--muted)}
.disclaimer-content h2{margin:44px 0 16px;font-size:clamp(1.55rem,2.6vw,2.2rem);color:var(--ink)}
.disclaimer-content a{color:var(--teal);text-decoration-thickness:1px;text-underline-offset:3px}
@media (max-width:700px){.footer-meta .text-link + .text-link{margin-left:0;display:block;margin-top:10px}}


/* V21 contact page */
.contact-layout{max-width:980px;display:grid;grid-template-columns:minmax(220px,.75fr) minmax(0,1.6fr);gap:64px;align-items:start}
.contact-intro h2{margin:0 0 16px;font-size:clamp(1.6rem,2.6vw,2.35rem);color:var(--ink)}
.contact-intro p{line-height:1.7;color:var(--muted)}
.contact-note{font-size:.92rem}
.contact-form{background:#fff;border:1px solid rgba(9,45,65,.12);padding:32px;box-shadow:0 16px 40px rgba(9,45,65,.06)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 24px}
.contact-form label{display:block}
.contact-form label>span{display:block;margin:0 0 8px;font-weight:650;color:var(--ink);font-size:.94rem}
.contact-form input[type=text],.contact-form input[type=email],.contact-form textarea{width:100%;box-sizing:border-box;border:1px solid rgba(9,45,65,.24);background:#fff;color:var(--ink);font:inherit;padding:12px 14px;outline:none;transition:border-color .18s ease,box-shadow .18s ease}
.contact-form textarea{resize:vertical;min-height:180px}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(72,223,235,.18)}
.form-full{margin-top:22px}
.consent-row{display:flex!important;gap:10px;align-items:flex-start;margin:20px 0 24px;color:var(--muted);line-height:1.5}
.consent-row input{margin-top:4px;flex:0 0 auto}
.consent-row>span{font-weight:400!important;margin:0!important;color:var(--muted)!important}
.consent-row a{color:var(--teal)}
.contact-submit{border:0;cursor:pointer}
.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.contact-status{max-width:720px;padding:34px;border:1px solid rgba(9,45,65,.12);background:#fff;box-shadow:0 16px 40px rgba(9,45,65,.06)}
.contact-status p{margin:0 0 22px;line-height:1.7;color:var(--muted)}
.contact-status.success{border-top:3px solid var(--cyan)}
.contact-status.error{border-top:3px solid #b44}
.footer-meta .text-link + .text-link{margin-left:18px}
@media(max-width:760px){.contact-layout{grid-template-columns:1fr;gap:30px}.form-grid{grid-template-columns:1fr}.contact-form{padding:24px}.footer-meta .text-link + .text-link{margin-left:0;display:block;margin-top:10px}}


/* V23: integrated homepage hero image and project video */
.hero-v23 .hero-grid{position:relative;grid-template-columns:1.02fr 1.08fr;gap:22px}
.hero-v23 .hero-copy{position:relative;z-index:3}
.hero-v23 .material-v23{height:520px;border:0;background:transparent;overflow:visible;isolation:isolate}
.hero-v23 .material-v23 img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;z-index:0}
.hero-v23 .material-v23::before{content:'';position:absolute;inset:-2px;z-index:1;pointer-events:none;background:linear-gradient(90deg,var(--navy) 0%,rgba(9,45,65,.95) 4%,rgba(9,45,65,.70) 15%,rgba(9,45,65,.22) 31%,rgba(9,45,65,0) 48%),linear-gradient(180deg,rgba(9,45,65,.10),rgba(9,45,65,.02) 68%,rgba(9,45,65,.32));}
.hero-v23 .hydrogen-layer{position:absolute;inset:0;z-index:2;width:100%;height:100%;pointer-events:none}
.hero-v23 .material-label{z-index:3;background:linear-gradient(transparent,rgba(1,21,35,.72));padding:24px 28px}
.project-video-v23{max-width:980px;margin:76px auto 0}
.project-video-frame{position:relative;aspect-ratio:16/9;background:#062334;overflow:hidden;box-shadow:0 18px 45px rgba(9,45,65,.10)}
.project-video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media(max-width:900px){.hero-v23 .hero-grid{grid-template-columns:1fr;gap:0}.hero-v23 .material-v23{height:390px;margin:0 0 30px}.hero-v23 .material-v23::before{background:linear-gradient(180deg,var(--navy) 0%,rgba(9,45,65,.65) 10%,rgba(9,45,65,.08) 32%,rgba(9,45,65,.18) 100%)}.project-video-v23{margin-top:56px}}
@media(max-width:600px){.hero-v23 .material-v23{height:300px}.project-video-v23{margin-top:42px}}


/* V24: seamless homepage hero and local-preview-safe video feature */
.hero-v24{position:relative;min-height:610px;background-color:var(--navy);background-image:linear-gradient(90deg,#092d41 0%,rgba(9,45,65,.99) 25%,rgba(9,45,65,.93) 38%,rgba(9,45,65,.66) 51%,rgba(9,45,65,.24) 69%,rgba(9,45,65,.08) 100%),linear-gradient(180deg,rgba(9,45,65,.24) 0%,rgba(9,45,65,0) 20%,rgba(9,45,65,0) 78%,rgba(9,45,65,.38) 100%),url('hero-pipeline.png');background-repeat:no-repeat;background-size:100% 100%,100% 100%,64% auto;background-position:center,center,right 48%;overflow:hidden}
.hero-v24::after{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(ellipse at 79% 48%,rgba(9,45,65,0) 0%,rgba(9,45,65,.02) 42%,rgba(9,45,65,.20) 70%,rgba(9,45,65,.42) 100%)}
.hero-v24 .hero-grid{position:relative;z-index:3;grid-template-columns:1.02fr 1fr;gap:40px;min-height:610px}
.hero-v24 .hero-copy{position:relative;z-index:4}
.hero-hydrogen-stage{position:absolute;inset:0;z-index:2;pointer-events:none}
.hero-v24 .hydrogen-layer{position:absolute;inset:0;width:100%;height:100%}
.hero-material-label{position:absolute;z-index:4;left:auto;right:max(48px,calc((100vw - 1240px)/2));bottom:22px;width:auto;padding:0;background:none;color:#fff;font-size:12px;letter-spacing:2px;text-transform:uppercase;opacity:.9}
.project-video-v24{max-width:980px;margin:76px auto 0}
.project-video-card{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--deep);box-shadow:0 18px 45px rgba(9,45,65,.10)}
.project-video-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.project-video-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,35,52,.08),rgba(6,35,52,.36));transition:background .25s ease}
.project-video-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:76px;height:76px;border-radius:50%;background:rgba(72,223,235,.94);color:var(--deep);font-size:27px;padding-left:4px;box-shadow:0 12px 35px rgba(6,35,52,.25);transition:transform .25s ease,background .25s ease}
.project-video-caption{position:absolute;left:28px;bottom:24px;color:#fff;font-weight:650;font-size:15px;letter-spacing:.1px}
.project-video-card:hover img{transform:scale(1.02);filter:saturate(1.04)}
.project-video-card:hover .project-video-shade{background:linear-gradient(180deg,rgba(6,35,52,.03),rgba(6,35,52,.28))}
.project-video-card:hover .project-video-play{transform:translate(-50%,-50%) scale(1.07);background:#a2f7f9}
@media(max-width:900px){.hero-v24{background-size:100% 100%,100% 100%,auto 72%;background-position:center,center,right bottom}.hero-v24 .hero-grid{grid-template-columns:1fr;min-height:650px}.hero-v24 .hero-copy{max-width:620px}.hero-v24 .hero-space{display:none}.hero-material-label{right:28px;bottom:18px}.project-video-v24{margin-top:56px}}
@media(max-width:600px){.hero-v24{min-height:650px;background-size:100% 100%,100% 100%,auto 58%;background-position:center,center,right bottom}.hero-v24 .hero-grid{min-height:650px}.hero-material-label{display:none}.project-video-v24{margin-top:42px}.project-video-play{width:62px;height:62px;font-size:22px}.project-video-caption{left:18px;bottom:16px}}


/* V26: project video introduction spacing */
.project-intro-section{padding-top:74px}
.project-video-intro{max-width:760px;margin:0 auto 30px;text-align:left}
.project-video-intro h2{margin:8px 0 14px;font-size:clamp(34px,4vw,52px);line-height:1.05}
.project-video-intro p{margin:0;color:var(--muted);font-size:17px;line-height:1.75}
.project-intro-section .project-video-v24{margin:0 auto}
.project-intro-section .project-video-card{border-radius:2px}
.project-intro-section .editorial#about{margin-top:92px}
@media(max-width:900px){.project-intro-section{padding-top:58px}.project-video-intro{margin-bottom:24px}.project-intro-section .editorial#about{margin-top:70px}}
@media(max-width:600px){.project-intro-section{padding-top:42px}.project-video-intro h2{font-size:34px}.project-video-intro p{font-size:16px}.project-intro-section .editorial#about{margin-top:52px}}


/* V27: integrated white project intro with inline autoplay video */
.project-intro-section{padding-top:72px;background:#fff}
.project-intro-section>.wrap{display:block}
.project-video-intro{max-width:none;margin:0 0 30px;text-align:left}
.project-video-intro h2{margin:8px 0 14px;font-size:clamp(34px,4vw,52px);line-height:1.05}
.project-video-intro p{max-width:760px;margin:0;color:var(--muted);font-size:17px;line-height:1.75}
.project-video-v27{position:relative;width:100%;aspect-ratio:16/9;margin:0;background:#fff;overflow:hidden}
.project-video-v27 iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
.project-intro-section .editorial#about{margin-top:76px}
@media(max-width:900px){.project-intro-section{padding-top:56px}.project-video-intro{margin-bottom:24px}.project-intro-section .editorial#about{margin-top:62px}}
@media(max-width:600px){.project-intro-section{padding-top:42px}.project-video-intro h2{font-size:34px}.project-video-intro p{font-size:16px}.project-intro-section .editorial#about{margin-top:50px}}

/* V28 project introduction */
.project-video-intro{width:100%;max-width:none;margin:0 0 32px;text-align:center}
.project-video-intro .eyebrow{margin-bottom:14px}
.project-video-intro h2{margin:0 0 14px;font-size:clamp(34px,4vw,52px);line-height:1.05}
.project-video-intro p{max-width:100%;margin:0 auto;color:var(--muted);font-size:17px;line-height:1.75}
.project-video-placeholder{width:100%;margin:0;overflow:hidden;background:#fff}
.project-video-placeholder img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.project-intro-section .editorial#about{margin-top:76px}
@media(max-width:900px){.project-video-intro{margin-bottom:24px}.project-video-intro p{max-width:760px}.project-intro-section .editorial#about{margin-top:62px}}
@media(max-width:600px){.project-video-intro{text-align:center}.project-video-intro h2{font-size:34px}.project-video-intro p{font-size:16px}.project-intro-section .editorial#about{margin-top:50px}}


/* V29: external project links */
.project-inline-link{color:inherit;text-decoration:none;transition:color .2s ease;cursor:pointer}
.project-inline-link:hover,.project-inline-link:focus-visible{color:var(--cyan)}