:root{--ecg-green:#157852;--ecg-ink:#15181d;--ecg-soft:#ece8df;--ecg-line:#ddd8cf}
body{background:#f6f4ef}
.site-header .nav-wrap{min-height:72px}.site-header nav{gap:20px}.site-header nav a{font-size:.88rem}
.ecg-back{font-size:.83rem;font-weight:750;text-decoration:none;color:var(--ecg-green);white-space:nowrap}
.ecg-hero{padding:90px 0 88px;background:radial-gradient(circle at 86% 4%,#e7f0e9,transparent 35%),#f6f4ef}
.ecg-hero-grid{display:grid;grid-template-columns:1.13fr .87fr;gap:55px;align-items:center}
.ecg-kicker,.ecg-small-kicker,.ecg-section-num,.ecg-index{font-size:.72rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:#766042}
.ecg-hero h1{font-size:clamp(3rem,6.5vw,5.3rem);line-height:1.06;letter-spacing:-.055em;margin:20px 0}.ecg-hero h1 em,.ecg-section h2 em{font-style:normal;color:var(--ecg-green)}
.ecg-subtitle{font-weight:750;color:#262d31!important;font-size:1.19rem}.ecg-lede{font-size:1.02rem;max-width:660px}.ecg-meta{font-size:.78rem;color:#727b75!important;margin-top:23px}
.ecg-actions{display:flex;flex-wrap:wrap;gap:11px;margin:24px 0}
.ecg-button{display:inline-flex;align-items:center;justify-content:center;padding:12px 17px;font-weight:750;font-size:.89rem;text-decoration:none;border:1px solid #15181d;border-radius:9px;transition:transform .2s,background .2s}
.ecg-button:hover{transform:translateY(-2px)}.ecg-button.primary{background:#15181d;color:#fff}.ecg-button.outline{background:transparent;color:#1f2430}
.ecg-scorecard{border-radius:17px;padding:29px;background:var(--ecg-ink);color:#fff;box-shadow:0 18px 50px #13231b20}
.ecg-scorecard p{color:#b7c7c1}.ecg-score-top{display:flex;justify-content:space-between;gap:15px;align-items:center;font-size:.66rem;font-weight:800;letter-spacing:.08em;color:#b7ccbf}
.ecg-team-pill{color:#b0e6be;border:1px solid #43775a;padding:4px 9px;border-radius:25px}
.ecg-award{display:flex;align-items:baseline;gap:20px;margin:24px 0}.ecg-award>strong{font-size:clamp(5rem,11vw,7rem);font-weight:840;line-height:1;letter-spacing:-.09em}.ecg-award>span{font-size:1.4rem;font-weight:700;line-height:1.2}
.ecg-award small{color:#bac9c1;font-size:.67rem;font-weight:450}.ecg-score-pair{display:grid;grid-template-columns:1fr 1fr;gap:20px;border-top:1px solid #4b534e;padding:22px 0}
.ecg-score-pair strong{display:block;font-size:clamp(1.8rem,4vw,2.35rem);line-height:1.2;font-variant-numeric:tabular-nums}.ecg-score-pair span{font-size:.76rem;color:#c2cbc6;display:block;margin-top:6px}.ecg-score-footnote{font-size:.73rem;line-height:1.6;margin:0}
.ecg-strip{background:#ece8df;border-block:1px solid #ddd8cf}.ecg-strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}.ecg-strip-grid>div{border-right:1px solid #d7d0c2;padding:21px}.ecg-strip-grid>div:first-child{padding-left:0}.ecg-strip-grid>div:last-child{border:0}.ecg-index{display:block;font-size:.65rem}.ecg-strip-grid strong{display:block;font-size:1rem;margin:5px 0 1px}.ecg-strip-grid small{font-size:.77rem;color:#626a75}
.ecg-section{padding:92px 0}.ecg-section.soft{background:#ece8df}.ecg-section h2{font-size:clamp(2.1rem,4.5vw,3.3rem);letter-spacing:-.045em;line-height:1.17;max-width:820px}.ecg-section-heading{max-width:820px;margin-bottom:37px}.ecg-section-heading p{max-width:750px}
.ecg-challenge{background:#fff;border:1px solid #ddd8cf;border-radius:17px;padding:30px;box-shadow:0 12px 40px #313b280a}
.ecg-challenge-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.ecg-challenge h3{font-size:1.5rem}
.ecg-synthetic{background:#edf3ec;padding:7px 11px;border-radius:8px;color:#335840;font-size:.68rem;font-weight:750;white-space:nowrap}
.ecg-wave-stack{display:grid;gap:9px;margin:20px 0}.ecg-wave-row{display:grid;grid-template-columns:40px minmax(0,1fr);gap:11px;align-items:center;border:1px solid #e8e6dc;border-radius:9px;padding:9px;background:#fafaf8}
.ecg-wave-row>span{font-size:1.5rem;font-weight:850;color:#64756b}.ecg-wave-row img{width:100%;height:100px;display:block;object-fit:fill}.ecg-challenge-note{font-size:.78rem;color:#737b74!important}
.ecg-reveal summary{display:inline-block;cursor:pointer;background:#15181d;color:#fff;border-radius:9px;padding:12px 17px;font-weight:700;list-style:none}.ecg-reveal summary::-webkit-details-marker{display:none}
.ecg-reveal[open]>div{background:#e6f2e9;border-left:4px solid var(--ecg-green);border-radius:8px;padding:20px 22px;margin-top:15px;color:#23553d;font-size:.92rem}
.ecg-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:23px}.ecg-step{border:1px solid #ded8cf;background:white;border-radius:13px;padding:23px}
.ecg-step .symbol{font-family:ui-monospace,Consolas,monospace;font-size:2rem;color:var(--ecg-green);display:block;margin:7px 0}
.ecg-step h3{font-size:1.2rem;margin-bottom:9px}.ecg-step p{font-size:.88rem;margin:0}
.ecg-method{background:#fff;border:1px solid #ded8cf;border-radius:14px;padding:30px;display:grid;grid-template-columns:.8fr 1.2fr;gap:30px;align-items:center}
.ecg-method h3{font-size:1.7rem}.ecg-method p{font-size:.89rem}.ecg-diagram{text-align:center}.ecg-input,.ecg-output{border-radius:9px;padding:13px;font-weight:780;max-width:360px;margin:auto;background:#274736;color:white}
.ecg-input small,.ecg-output small{display:block;font-size:.72rem;font-weight:450;color:#ceddd3}
.ecg-branches{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:18px 0}
.ecg-branches>div{background:#e8f0ed;border:1px solid #bad2c2;border-radius:9px;color:#285a45;padding:17px 3px;font-weight:800;font-size:.93rem}.ecg-branches .gru{background:#eae7f4;color:#50487b;border-color:#d2cbe5}
.ecg-branches small{display:block;font-weight:500;font-size:.71rem}.ecg-arrows{color:var(--ecg-green);font-size:1.25rem}.ecg-diagram-note{font-size:.76rem!important;margin:9px 0}
.ecg-output{background:var(--ecg-green)}
.ecg-details{margin-top:22px;border:1px solid var(--ecg-line);border-radius:12px;background:#fff}.ecg-details summary{padding:20px;cursor:pointer;font-weight:750}.ecg-details>div{padding:4px 22px 22px;border-top:1px solid var(--ecg-line)}.ecg-details p{font-size:.88rem}
.ecg-finding{display:grid;grid-template-columns:1fr 1fr;gap:25px}.ecg-finding>*{padding:26px;background:#fff;border:1px solid var(--ecg-line);border-radius:14px}
.ecg-quote{font-size:1.4rem;font-weight:730;line-height:1.45;color:#205a42;border-left:4px solid var(--ecg-green);padding-left:16px;margin:20px 0}.ecg-finding p{font-size:.91rem}
.ecg-spectrum{display:flex;gap:10px;margin-top:18px}.ecg-spectrum div{flex:1;padding:16px 9px;border-radius:9px;background:#f2f0e9;border:1px solid #e8e4da;text-align:center}.ecg-spectrum div:first-child{background:#fbeae2;border-color:#ebcfc7}
.ecg-spectrum strong{display:block;color:#263c2f;font-size:.92rem}.ecg-spectrum span{display:block;font-size:.72rem;color:#6a6a67;margin-top:5px}
.ecg-research{display:grid;grid-template-columns:1fr 1fr;gap:22px}.ecg-research>article{padding:27px;background:#fff;border:1px solid var(--ecg-line);border-radius:14px}
.ecg-research h3{font-size:1.35rem;margin-top:10px}.ecg-research p{font-size:.9rem}.ecg-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.ecg-tags span{border-radius:20px;padding:6px 10px;background:#eff3ef;font-weight:700;font-size:.73rem;color:#35674b}
.ecg-reflection{margin-top:24px;padding:27px;border:1px solid #d6d0c5;background:#f1eee5;border-radius:12px}.ecg-reflection h3{font-size:1.33rem}.ecg-reflection p{margin:0}
.ecg-contributions{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}.ecg-contribution-list{background:#fff;border:1px solid var(--ecg-line);border-radius:12px;padding:20px 24px}
.ecg-contribution-list>div{border-bottom:1px solid #e8e3d9;padding:15px 0;display:grid;grid-template-columns:36px 1fr;gap:8px}.ecg-contribution-list>div:last-child{border-bottom:0}
.ecg-contribution-list b{font-size:.78rem;color:var(--ecg-green)}.ecg-contribution-list p{margin:0;font-size:.89rem}.ecg-team{border-radius:12px;background:#fff;padding:27px;border:1px solid var(--ecg-line)}.ecg-team p{font-size:.91rem}
.ecg-outro{background:#1b2321;color:#fff;padding:74px 0}.ecg-outro-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.ecg-outro h2{color:#fff;font-size:2.6rem}.ecg-outro p{color:#cad3cc}.ecg-outro-card{border-radius:12px;padding:27px;background:white;color:#1f2430}
.ecg-outro .ecg-outro-card p{font-size:.9rem;color:#4a524d}.ecg-outro .ecg-small-kicker{color:#b9d8c2}.ecg-outro-card .ecg-small-kicker{color:#76593b}
.ecg-footer{background:#101612;padding:24px 0;color:#a4b8af}.ecg-footer .container{display:flex;justify-content:space-between;gap:20px;font-size:.79rem}.ecg-footer a{color:#c7d8cd;text-decoration:none}
.ecg-footnote{font-size:.79rem!important;color:#848d83!important;line-height:1.55}
@media(max-width:900px){.ecg-hero-grid,.ecg-method,.ecg-finding,.ecg-podium,.ecg-contributions,.ecg-outro-grid{grid-template-columns:1fr}.ecg-hero{padding:55px 0}.ecg-scorecard{max-width:570px}.ecg-research{grid-template-columns:1fr}.ecg-steps{grid-template-columns:1fr}.ecg-strip-grid{grid-template-columns:1fr 1fr}.ecg-strip-grid>div{border-bottom:1px solid #d7d0c2}.ecg-strip-grid>div:nth-child(odd){padding-left:0}}
@media(max-width:560px){.ecg-hero h1{font-size:3rem}.ecg-section{padding:62px 0}.ecg-challenge{padding:17px}.ecg-challenge-head{display:block}.ecg-synthetic{display:inline-block;margin-bottom:10px}.ecg-wave-row{grid-template-columns:28px minmax(0,1fr);gap:3px;padding:4px}.ecg-wave-row img{height:75px}.ecg-wave-row>span{font-size:1rem}.ecg-method{padding:18px}.ecg-branches{gap:4px}.ecg-branches>div{font-size:.77rem;padding:13px 1px}.ecg-award>strong{font-size:5rem}.ecg-strip-grid strong{font-size:.86rem}.ecg-spectrum{flex-direction:column}.ecg-footer .container{display:block}.ecg-footer a{display:block;margin-top:10px}.site-header nav{width:100%;overflow-x:auto;white-space:nowrap}.ecg-back{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;scroll-behavior:auto!important}}


/* Diagram arrows aligned with the four encoder columns */
.ecg-arrows-4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.ecg-spectrum-note{margin-top:14px}

/* Results: award photo beside the official scores */
.ecg-award-jump{display:inline-flex;margin-top:12px;color:#b7e7c8;font-size:.79rem;font-weight:750;text-decoration:underline;text-underline-offset:3px}
.ecg-award-jump:hover{color:#fff}
.ecg-podium{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch;scroll-margin-top:90px}
.ecg-award-photo{margin:0;background:#fff;border:1px solid var(--ecg-line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;scroll-margin-top:90px}
.ecg-award-photo picture{display:block}.ecg-award-photo img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;background:#eee8dc}
.ecg-award-photo figcaption{display:flex;justify-content:space-between;gap:12px;align-items:baseline;padding:13px 18px;font-size:.8rem;color:#424d47;margin-top:auto}
.ecg-award-photo figcaption strong{font-weight:750}.ecg-award-photo figcaption span{color:#65746b;font-size:.76rem}
.ecg-result-main{background:#15181d;color:#fff;border-radius:14px;padding:30px;display:flex;flex-direction:column}
.ecg-result-main .ecg-small-kicker{color:#b7d5c2}
.ecg-result-main h3{color:#fff;font-size:2rem;margin:10px 0 4px}
.ecg-result-event{color:#c8d0cc;font-size:.92rem;margin:0}
.ecg-result-rows{margin:22px 0 18px;flex:1;display:flex;flex-direction:column;justify-content:center}
.ecg-result-rows>div{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center;padding:18px 0;border-top:1px solid #3a423e}
.ecg-result-rows>div:last-child{border-bottom:1px solid #3a423e}
.ecg-result-rows strong{font-size:clamp(2.2rem,4vw,2.8rem);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.ecg-result-rows span{font-size:.8rem;color:#aebbb4;line-height:1.45}
.ecg-result-rows b{display:block;color:#fff;font-size:.86rem;margin-bottom:3px}
.ecg-result-main .ecg-score-footnote{color:#9fb0a7}

.ecg-validation{margin-top:20px;background:#fff;border:1px solid var(--ecg-line);border-radius:14px;padding:28px;display:grid;grid-template-columns:.75fr 1.25fr;gap:28px;align-items:center}
.ecg-validation h3{font-size:1.45rem;margin:8px 0}.ecg-validation-head p{font-size:.88rem;margin:0}
.ecg-timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.ecg-timeline li{border-top:3px solid var(--ecg-green);background:#f3f5f0;border-radius:4px;padding:12px}
.ecg-timeline li:last-child{border-top-color:#50487b;background:#f1eff6}
.ecg-timeline b{display:block;font-size:.78rem;color:#246044;margin-bottom:5px}.ecg-timeline li:last-child b{color:#50487b}
.ecg-timeline span{font-size:.8rem;color:#56605a;line-height:1.45;display:block}

.ecg-materials{padding:28px 0;background:#edf0ea;border-top:1px solid #d9dfd5}
.ecg-materials h2{font-size:.88rem;font-weight:780;letter-spacing:.01em;color:#344f42;margin:0 0 6px}
.ecg-materials p{font-size:.78rem;line-height:1.6;max-width:980px;color:#58645d;margin:0}

@media(max-width:1000px){.ecg-validation{grid-template-columns:1fr}.ecg-timeline{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.ecg-podium{grid-template-columns:1fr}}
@media(max-width:560px){.ecg-timeline{grid-template-columns:1fr}.ecg-validation,.ecg-result-main{padding:20px}.ecg-award-photo figcaption{display:block}.ecg-award-photo figcaption span{display:block;margin-top:4px}.ecg-arrows-4{gap:4px}}