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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

/* Keep secondary copy readable on the pale surfaces. */
.hero-description,.project-description,.section-heading p,.about-intro>p,.timeline-org,.timeline-detail,.research-copy p:last-child,.skills-grid p:last-child,.dialog-lead,.dialog-points li,.contact-section>div>p:not(.eyebrow){color:#5c6b54}
.project-category,.project-tag,.repo-link,.mono-caption,.section-index,.subtle,.hero-location,.project-source,.about-note,.timeline-date,.timeline-type,.research-copy .eyebrow,.research-metric>span,.research-metric small,.languages p,.intro-strip>p,.intro-strip>div,.lab-footnote,.lab-number,footer{color:#68775e}
.dialog-note{color:#596b4e}.project-description{font-size:13px}.dialog-points li{font-size:13px}.timeline-detail{font-size:11px}.skills-grid p:last-child{font-size:11px}.project-notice{color:#736944}
@media(max-width:820px){.project-description{font-size:12px}.timeline-detail{font-size:10px}.skills-grid p:last-child{font-size:10px}}
@media(max-width:620px){.timeline-detail,.skills-grid p:last-child{font-size:11px}.dialog-points li{font-size:12px}}
/* Language choices and the complete technology map. */
.language-options{display:flex;gap:3px;align-items:center;border:1px solid #d4dccb;border-radius:5px;padding:3px;background:#f1f3e9}
.language-options button{border:0;border-radius:3px;background:transparent;padding:7px 9px;min-height:31px;font-family:var(--mono);font-size:10px;color:#69795f;line-height:1.2}
.language-options button:hover{background:#e3e9d9}.language-options button.active{background:#294b38;color:#f5f7ed}
.hero-stack{background:#e8eddf;border:1px solid #d6deca;border-radius:10px;padding:22px 18px 16px;position:relative;transform:rotate(.6deg)}
.stack-heading{display:flex;justify-content:space-between;align-items:center;padding:0 5px;gap:15px;font-family:var(--mono);font-size:9px;letter-spacing:1px}
.stack-heading>span:first-child{display:flex;gap:9px;align-items:center}.stack-index{color:#728168;font-size:9px;white-space:nowrap}
.stack-map{width:100%;height:auto;margin:8px 0 0;overflow:visible}
.stack-node-number{font-family:var(--mono);font-size:8px;letter-spacing:.8px;fill:#728465}
.stack-node-title{font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;font-size:12px;letter-spacing:.2px;font-weight:600;fill:#35503c}
.stack-node-tech{font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;font-size:11px;fill:#4e6547}
.stack-node-detail{font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif;font-size:10px;fill:#65795b}
.stack-core-caption{font-family:var(--mono);font-size:8px;letter-spacing:1.6px;fill:#bbceac}
.stack-core-title{font-family:var(--serif);font-style:italic;font-size:25px;fill:#f1f5e9}
.stack-core-detail{font-family:var(--mono);font-size:7px;letter-spacing:.6px;fill:#c1d3b0}
.stack-foundation{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;border-top:1px solid #cdd7c1;padding:16px 5px 0}
.stack-foundation>div{display:flex;flex-direction:column;gap:7px}.stack-foundation .mono-caption{font-size:8px;letter-spacing:1px}.stack-foundation strong{font-family:var(--mono);font-size:9px;font-weight:400;color:#4f6646;line-height:1.5}
.stack-note{font-size:9px;color:#647758;margin:16px 5px 0;line-height:1.7}
html[lang=de] .hero h1{font-size:clamp(54px,5.4vw,78px);line-height:1.05;letter-spacing:-3.5px}
html[lang=de] .hero-buttons{flex-wrap:wrap;gap:15px 25px}
html[lang=de] .section-heading h2{max-width:650px}
@media(max-width:1050px) and (min-width:621px){.hero{grid-template-columns:1fr;gap:38px}.hero-copy{max-width:620px}.hero-stack{width:min(100%,560px);justify-self:center}.hero h1,html[lang=en] .hero h1,html[lang=de] .hero h1{font-size:65px}.hero-description{max-width:520px;font-size:13px}.hero .eyebrow{font-size:10px}.hero-location{font-size:10px}}
@media(max-width:620px){.site-header{display:grid;grid-template-columns:1fr auto;height:auto;padding:17px 0 15px;gap:15px}.site-header .brand{grid-column:1;grid-row:1}.site-header .header-actions{grid-column:2;grid-row:1}.site-header nav{grid-column:1/-1;grid-row:2;justify-content:center;gap:34px;font-size:11px}.language-options{gap:2px;padding:3px}.language-options button{padding:7px 8px;font-size:9px;min-height:30px}.hero-stack{padding:18px 13px 16px;transform:none}.stack-heading{font-size:8px;letter-spacing:.8px;padding-inline:4px}.stack-heading .tiny-cross{font-size:18px}.stack-map{margin-top:18px}.stack-node-title{font-size:12px}.stack-foundation{gap:15px;padding:15px 3px 0}.stack-foundation strong{font-size:8px}.stack-foundation .mono-caption{font-size:7px;letter-spacing:.5px}.stack-note{font-size:9px;margin-inline:3px}html[lang=de] .hero h1{font-size:61px;letter-spacing:-3px}html[lang=de] h2{font-size:35px}html[lang=de] .contact-section h2{font-size:33px}html[lang=de] .section-heading h2{font-size:36px}html[lang=de] .about-intro h2{font-size:35px}.languages p{row-gap:9px}}