@font-face { font-family:"DM Sans"; font-style:normal; font-weight:400 700; font-display:swap; src:url("./assets/fonts/dm-sans-latin.woff2") format("woff2"); }
@font-face { font-family:"Manrope"; font-style:normal; font-weight:500 800; font-display:swap; src:url("./assets/fonts/manrope-latin.woff2") format("woff2"); }
@font-face { font-family:"Dynalight"; font-style:normal; font-weight:400; font-display:swap; src:url("./assets/fonts/dynalight-latin.woff2") format("woff2"); }
:root { color-scheme:light; --ink:#102019; --ink-soft:#4d5952; --forest:#123b2a; --forest-deep:#07130e; --lime:#c8f15a; --paper:#f4f2e9; --paper-2:#ebe8de; --white:#fff; --rule:rgba(16,32,25,.16); --radius:1.5rem; --shadow:0 24px 70px rgba(7,19,14,.13); }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:6.5rem; }
body { margin:0; overflow-x:hidden; color:var(--ink); background:var(--paper); font-family:"DM Sans",ui-sans-serif,system-ui,sans-serif; font-size:16px; -webkit-font-smoothing:antialiased; }
a { color:inherit; } img { display:block; max-width:100%; } button,input,select,textarea { font:inherit; }
.skip-link { position:fixed; z-index:100; top:-5rem; left:1rem; padding:.8rem 1rem; color:var(--ink); background:var(--lime); font-weight:800; }
.skip-link:focus { top:1rem; }
.site-header { position:fixed; z-index:20; inset:0 0 auto; display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:2rem; padding:1.15rem clamp(1.25rem,5vw,5rem); color:white; transition:background .25s ease,padding .25s ease,box-shadow .25s ease; }
.site-header.scrolled { padding-top:.75rem; padding-bottom:.75rem; background:rgba(7,19,14,.95); box-shadow:0 8px 30px rgba(0,0,0,.15); backdrop-filter:blur(12px); }
.brand { display:inline-grid; width:max-content; color:inherit; text-decoration:none; }
.brand-name { font-family:"Manrope",sans-serif; font-size:1.06rem; font-weight:800; line-height:1; letter-spacing:-.035em; }
.brand em { color:var(--lime); font-style:normal; }
.brand-signature { margin-top:.22rem; color:rgba(255,255,255,.86); font-family:"Dynalight",cursive; font-size:1.12rem; line-height:1; }
.site-header nav { display:flex; gap:clamp(1.2rem,2.8vw,2.5rem); }
.site-header nav a { position:relative; color:rgba(255,255,255,.72); text-decoration:none; font-size:.82rem; font-weight:700; }
.site-header nav a::after { content:""; position:absolute; left:0; right:100%; bottom:-.45rem; height:1px; background:var(--lime); transition:right .2s ease; }
.site-header nav a:hover { color:white; } .site-header nav a:hover::after { right:0; }
.header-actions { display:flex; align-items:center; justify-self:end; gap:.65rem; }
.language-switch { display:grid; place-items:center; min-width:2.7rem; min-height:2.7rem; padding:.55rem .7rem; border:1px solid rgba(255,255,255,.35); border-radius:999px; color:white; background:rgba(7,19,14,.32); text-decoration:none; font-size:.75rem; font-weight:800; letter-spacing:.08em; backdrop-filter:blur(8px); transition:color .18s ease,border-color .18s ease,background .18s ease; }
.language-switch:hover { color:var(--ink); border-color:var(--lime); background:var(--lime); }
.language-switch:focus-visible { outline:3px solid var(--lime); outline-offset:3px; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:.8rem; min-height:3.15rem; padding:.85rem 1.2rem; border:1px solid var(--lime); border-radius:999px; color:var(--ink); background:var(--lime); text-decoration:none; font-weight:800; cursor:pointer; transition:transform .18s ease,background .18s ease,color .18s ease; }
.button:hover { transform:translateY(-2px); background:transparent; color:white; }
.button-small { min-height:2.55rem; padding:.65rem 1rem; font-size:.8rem; }
.button-dark { border-color:var(--forest); color:white; background:var(--forest); } .button-dark:hover { color:var(--forest); background:transparent; }
.eyebrow { margin:0 0 1.2rem; color:var(--lime); font-size:.76rem; font-weight:800; letter-spacing:.17em; text-transform:uppercase; }
.eyebrow-dark { color:#567727; } h1,h2,h3 { font-family:"Manrope",sans-serif; }

.opportunity-section { position:relative; min-height:100svh; padding-top:8rem; color:white; background:var(--forest-deep); overflow:hidden; }
.hero-media { position:absolute; inset:0 0 auto; height:100svh; min-height:760px; }
.hero-media img { width:100%; height:100%; object-fit:cover; object-position:center; }
.hero-media::after { content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(5,16,12,.98) 0%,rgba(5,16,12,.84) 43%,rgba(5,16,12,.15) 80%),linear-gradient(0deg,#07130e 0%,transparent 36%); }
.hero-content { position:relative; z-index:1; display:flex; flex-direction:column; justify-content:center; min-height:calc(100svh - 8rem); width:min(820px,88vw); margin-left:clamp(1.25rem,8vw,8.25rem); padding:4rem 0 8rem; }
.hero-content h1 { max-width:10.5ch; margin:0; font-size:clamp(3.7rem,7.3vw,7.4rem); line-height:.92; letter-spacing:-.066em; }
html[lang="de"] .hero-content h1 { max-width:13.5ch; font-size:clamp(3.35rem,6.4vw,6.5rem); }
.hero-copy { max-width:670px; margin:1.7rem 0 2.2rem; color:rgba(255,255,255,.78); font-size:clamp(1.08rem,1.6vw,1.34rem); line-height:1.6; }
.hero-actions { display:flex; align-items:center; flex-wrap:wrap; gap:1.4rem; }
.hero-pathways { display:flex; align-items:center; flex-wrap:wrap; gap:.5rem .7rem; max-width:670px; margin:1.35rem 0 0; color:rgba(255,255,255,.38); font-size:.78rem; font-weight:700; letter-spacing:.025em; }
.hero-pathways a { color:rgba(255,255,255,.66); text-decoration:none; text-underline-offset:.25em; transition:color .18s ease; }
.hero-pathways a:hover { color:var(--lime); }
.hero-pathways a:focus-visible { color:var(--lime); outline:2px solid var(--lime); outline-offset:4px; border-radius:.15rem; }
.text-link { padding:.75rem 0; color:rgba(255,255,255,.78); text-decoration:none; font-size:.9rem; font-weight:700; }
.text-link span { margin-left:.3rem; color:var(--lime); } .text-link:hover { color:white; }
.audience-qualifier { max-width:650px; margin:0 0 1.2rem; color:var(--lime); font-size:.88rem; font-weight:800; letter-spacing:.06em; line-height:1.45; text-transform:uppercase; }
.value-proposition-heading { position:relative; z-index:2; max-width:1280px; margin:-3rem auto 2rem; padding:0 .25rem; }
.value-proposition-heading .eyebrow { margin:0; }
.opportunity-summary { position:relative; z-index:2; display:grid; grid-template-columns:repeat(3,1fr); max-width:1280px; margin:0 auto; border:1px solid rgba(255,255,255,.15); border-radius:var(--radius); background:#0a2419; box-shadow:var(--shadow); overflow:hidden; }
.opportunity-summary article { min-height:330px; padding:clamp(1.4rem,2.8vw,2.5rem); border-right:1px solid rgba(255,255,255,.15); }
.opportunity-summary article:last-child { border-right:0; } .opportunity-summary article > span { color:var(--lime); font-size:.72rem; font-weight:800; }
.opportunity-summary h2 { margin:3rem 0 .9rem; max-width:14ch; font-size:clamp(1.45rem,2.2vw,2.1rem); line-height:1.08; letter-spacing:-.04em; }
.opportunity-summary p { margin:0 0 1rem; color:rgba(255,255,255,.58); line-height:1.6; }
.opportunity-summary p:last-child { margin-bottom:0; }
.opportunity-summary p strong { color:rgba(255,255,255,.9); }
.opportunity-summary sup a { color:var(--lime); text-decoration:none; }
.cdr-footnote { position:relative; z-index:2; max-width:1280px; margin:1rem auto 0; color:rgba(255,255,255,.5); font-size:.72rem; line-height:1.5; }
.cdr-footnote a { color:inherit; text-underline-offset:.2em; }
.cdr-footnote a:hover { color:white; }
.process-line { display:flex; align-items:center; justify-content:center; flex-wrap:wrap; gap:1rem; max-width:1280px; margin:0 auto; padding:3.25rem 1.25rem 5rem; color:rgba(255,255,255,.62); font-size:.88rem; font-weight:700; }
.process-line i { color:var(--lime); font-size:1.25rem; font-style:normal; }

.calculator-section { padding:clamp(4rem,6.5vw,6.5rem) clamp(1.25rem,7vw,7rem); background:var(--paper-2); }
.section-heading { display:grid; grid-template-columns:minmax(280px,.92fr) 1fr; column-gap:clamp(3rem,8vw,9rem); max-width:1280px; margin:0 auto clamp(2.4rem,4vw,3.5rem); }
.section-heading .eyebrow { grid-column:1 / -1; }
.section-heading h2 { margin:0; font-size:clamp(2.5rem,4.1vw,4.4rem); line-height:1; letter-spacing:-.052em; }
.section-heading > p:last-child { margin:.25rem 0 0; max-width:590px; color:var(--ink-soft); font-size:1rem; line-height:1.6; }
.biomass-control { max-width:1280px; margin:0 auto 1.1rem; padding:clamp(1.25rem,2vw,1.75rem); border:1px solid var(--rule); border-radius:var(--radius); background:var(--paper); }
.biomass-control-head { display:flex; justify-content:space-between; align-items:flex-end; gap:2rem; margin-bottom:1.3rem; }
.biomass-control-head label { display:block; margin-bottom:.3rem; font-family:"Manrope",sans-serif; font-size:clamp(1.2rem,1.7vw,1.55rem); font-weight:800; letter-spacing:-.03em; }
.biomass-control-head p { margin:0; color:var(--ink-soft); font-size:.88rem; }
.biomass-input-wrap { display:flex; align-items:baseline; gap:.5rem; padding:.55rem .75rem; border:1px solid var(--rule); border-radius:.8rem; background:white; }
.biomass-input-wrap:focus-within { border-color:var(--forest); box-shadow:0 0 0 3px rgba(18,59,42,.1); }
.biomass-input-wrap input { width:7ch; padding:0; border:0; outline:0; color:var(--ink); background:transparent; font-family:"Manrope",sans-serif; font-size:clamp(1.25rem,1.65vw,1.55rem); font-weight:800; text-align:right; font-variant-numeric:tabular-nums; }
.biomass-input-wrap span { color:var(--ink-soft); font-size:.7rem; font-weight:700; white-space:nowrap; }
.biomass-range { --range-progress:10%; width:100%; height:30px; margin:0; appearance:none; background:transparent; cursor:pointer; }
.biomass-range::-webkit-slider-runnable-track { height:8px; border-radius:99px; background:linear-gradient(90deg,var(--forest) 0,var(--forest) var(--range-progress),rgba(16,32,25,.12) var(--range-progress),rgba(16,32,25,.12) 100%); }
.biomass-range::-moz-range-track { height:8px; border-radius:99px; background:linear-gradient(90deg,var(--forest) 0,var(--forest) var(--range-progress),rgba(16,32,25,.12) var(--range-progress),rgba(16,32,25,.12) 100%); }
.biomass-range::-webkit-slider-thumb { width:28px; height:28px; margin-top:-10px; appearance:none; border:6px solid var(--lime); border-radius:50%; background:var(--forest); box-shadow:0 3px 12px rgba(7,19,14,.24); }
.biomass-range::-moz-range-thumb { width:16px; height:16px; border:6px solid var(--lime); border-radius:50%; background:var(--forest); }
.biomass-range:focus-visible { outline:2px solid var(--forest); outline-offset:5px; border-radius:99px; }
.range-scale { display:flex; justify-content:space-between; margin-top:.2rem; color:#707a73; font-size:.72rem; font-variant-numeric:tabular-nums; }
.comparison-grid { display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:1rem; max-width:1280px; margin:0 auto; }
.comparison-card { position:relative; display:flex; flex-direction:column; min-height:520px; padding:clamp(1.4rem,2.2vw,2.25rem); border:1px solid var(--rule); border-radius:var(--radius); background:var(--paper); }
.pyrolysis-card { color:white; border-color:var(--forest); background:var(--forest); box-shadow:var(--shadow); }
.pathway-label span { font-size:.7rem; font-weight:800; letter-spacing:.14em; text-transform:uppercase; opacity:.5; }
.pathway-label h3 { margin:.35rem 0 2rem; font-size:clamp(1.75rem,2.8vw,2.75rem); letter-spacing:-.05em; }
.metric-head { display:flex; justify-content:space-between; align-items:end; gap:1rem; margin-bottom:.9rem; }
.metric-head > span { color:var(--ink-soft); font-size:.8rem; font-weight:700; } .pyrolysis-card .metric-head > span { color:rgba(255,255,255,.6); }
.metric-head strong { font-family:"Manrope",sans-serif; font-size:clamp(1.55rem,2.25vw,2.35rem); letter-spacing:-.045em; white-space:nowrap; font-variant-numeric:tabular-nums; }
.metric-head small { font-size:.8rem; letter-spacing:0; }
.bar { height:10px; overflow:hidden; border-radius:99px; background:rgba(16,32,25,.1); }
.bar i { display:block; width:var(--bar-width); height:100%; border-radius:99px; background:var(--forest); transition:width .18s ease; }
.pyrolysis-card .bar { background:rgba(255,255,255,.12); } .pyrolysis-card .bar i { background:var(--lime); }
.yield-basis { display:block; margin-top:.65rem; color:var(--ink-soft); font-size:.7rem; } .pyrolysis-card .yield-basis { color:rgba(255,255,255,.48); }
.carbon-capacity { min-height:145px; display:flex; flex-direction:column; justify-content:flex-end; align-items:flex-start; margin-top:.85rem; }
.carbon-capacity > small { margin-top:.5rem; color:rgba(255,255,255,.48); font-size:.69rem; }
.biochar-output { display:grid; grid-template-columns:1fr auto; align-items:end; gap:.25rem 1rem; margin-top:.85rem; padding:.7rem 0; border-top:1px solid rgba(255,255,255,.17); border-bottom:1px solid rgba(255,255,255,.17); }
.biochar-output > span { color:rgba(255,255,255,.62); font-size:.8rem; font-weight:700; }
.biochar-output strong { font-family:"Manrope",sans-serif; font-size:clamp(1.25rem,1.7vw,1.7rem); letter-spacing:-.04em; white-space:nowrap; font-variant-numeric:tabular-nums; }
.biochar-output strong small { font-size:.75rem; letter-spacing:0; }
.biochar-output > small { grid-column:1/-1; color:rgba(255,255,255,.48); font-size:.69rem; }
.carbon-metric { --carbon-width:44.2%; --carbon-height:72px; width:max(15rem,var(--carbon-width)); max-width:100%; min-height:var(--carbon-height); display:flex; justify-content:space-between; align-items:end; padding:.9rem; color:var(--ink); border-radius:1rem; background:var(--lime); transition:width .22s ease,min-height .22s ease; }
.carbon-metric strong { flex-shrink:0; font-family:"Manrope",sans-serif; font-size:clamp(1.2rem,1.7vw,1.4rem); letter-spacing:-.04em; white-space:nowrap; font-variant-numeric:tabular-nums; } .carbon-metric span { max-width:7.5rem; text-align:right; font-size:.7rem; font-weight:700; }
.metric-head strong,.biochar-output strong,.carbon-metric strong { font-size:clamp(1.4rem,2vw,1.9rem); }
.metric-head small,.biochar-output strong small,.carbon-metric strong small { font-size:.75rem; letter-spacing:0; }
.pathway-result { display:grid; gap:.2rem; margin-top:auto; padding-top:.9rem; border-top:1px solid var(--rule); }
.pyrolysis-card .pathway-result { border-color:rgba(255,255,255,.17); } .pathway-result strong { font-size:.9rem; } .pathway-result span { color:var(--ink-soft); font-size:.78rem; } .pyrolysis-card .pathway-result span { color:rgba(255,255,255,.55); }
.versus { z-index:2; display:grid; place-items:center; width:3rem; height:3rem; margin:0 -1.65rem; border-radius:50%; color:white; background:var(--ink); font-family:"Manrope",sans-serif; font-size:.74rem; font-weight:800; }
.data-note { max-width:930px; margin:1.15rem auto 0; color:#68716b; font-size:.75rem; line-height:1.6; text-align:center; }
.data-note a { color:var(--forest); font-weight:700; text-underline-offset:.18em; }
.validate-callout { display:flex; align-items:center; justify-content:space-between; gap:2rem; max-width:1280px; margin:2.2rem auto 1.2rem; padding:1.35rem clamp(1.4rem,2.5vw,2.2rem); color:white; border-radius:var(--radius); background:var(--forest-deep); }
.validate-callout div { display:grid; gap:.3rem; } .validate-callout div span { color:rgba(255,255,255,.55); font-size:.8rem; } .validate-callout div strong { font-family:"Manrope",sans-serif; font-size:clamp(1.35rem,2.5vw,2.3rem); letter-spacing:-.04em; }
.validate-callout .button-dark { border-color:var(--lime); color:var(--ink); background:var(--lime); } .validate-callout .button-dark:hover { color:white; background:transparent; }
.validation-form { max-width:1280px; margin:0 auto; padding:clamp(1.5rem,3vw,3rem); border:1px solid var(--rule); border-radius:var(--radius); background:var(--paper); }
.form-heading { display:grid; grid-template-columns:1fr 1fr; gap:clamp(2rem,6vw,7rem); align-items:end; padding-bottom:2rem; border-bottom:1px solid var(--rule); }
.form-heading .eyebrow { margin-bottom:.8rem; } .form-heading h3 { margin:0; font-size:clamp(2rem,4vw,4rem); line-height:1; letter-spacing:-.055em; } .form-heading > p { margin:0; color:var(--ink-soft); line-height:1.65; }
.required-note { display:block; margin-top:.7rem; color:var(--ink); font-size:.75rem; font-weight:700; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.2rem 1.5rem; padding:2rem 0; }
.form-grid label { display:grid; gap:.55rem; color:var(--ink-soft); font-size:.8rem; font-weight:800; }
.form-grid input,.form-grid select,.form-grid textarea { width:100%; min-height:3.25rem; padding:.85rem 1rem; border:1px solid var(--rule); border-radius:.85rem; outline:0; color:var(--ink); background:white; font-size:.95rem; font-weight:500; }
.form-grid textarea { resize:vertical; line-height:1.5; } .form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus { border-color:var(--forest); box-shadow:0 0 0 3px rgba(18,59,42,.1); }
.form-wide { grid-column:1 / -1; } .form-unit { position:relative; } .form-unit input { padding-right:8rem; } .form-unit small { position:absolute; right:1rem; top:50%; transform:translateY(-50%); color:#707a73; font-size:.72rem; }
.form-submit-row { display:flex; align-items:center; gap:1.25rem; padding-top:1.5rem; border-top:1px solid var(--rule); }
.form-submit-help { display:grid; gap:.3rem; min-width:0; }
.form-submit-help p { margin:0; max-width:520px; color:var(--ink-soft); font-size:.8rem; line-height:1.45; }
.form-fallback { display:flex; flex-wrap:wrap; align-items:center; gap:.25rem .55rem; color:var(--ink-soft); font-size:.76rem; line-height:1.4; }
.copy-project-details { padding:0; border:0; color:var(--forest); background:transparent; font:inherit; font-weight:800; text-decoration:underline; text-decoration-thickness:1px; text-underline-offset:.18em; cursor:pointer; }
.copy-project-details:hover,.form-fallback a:hover { color:#276f50; }
.copy-project-details:focus-visible,.form-fallback a:focus-visible { outline:2px solid var(--forest); outline-offset:3px; border-radius:.15rem; }
.form-fallback a { color:var(--forest); font-weight:700; overflow-wrap:anywhere; }

.christoph-section { padding:clamp(5.5rem,9vw,9rem) clamp(1.25rem,7vw,7rem); color:white; background:var(--forest); }
.christoph-intro { display:grid; grid-template-columns:.7fr 1.3fr; gap:clamp(3rem,8vw,9rem); align-items:center; max-width:1280px; margin:0 auto 5rem; }
.portrait-photo { position:relative; width:100%; max-width:430px; aspect-ratio:1; margin:0; overflow:hidden; border:1px solid rgba(200,241,90,.3); border-radius:var(--radius); background:#0a2a1d; }
.portrait-photo img { width:100%; height:100%; object-fit:cover; object-position:69% center; }
.portrait-linkedin { position:absolute; left:1rem; bottom:1rem; display:inline-flex; align-items:center; gap:.35rem; padding:.72rem .9rem; border:1px solid rgba(16,32,25,.28); border-radius:999px; color:var(--ink); background:rgba(255,255,255,.9); text-decoration:none; font-size:.8rem; font-weight:800; backdrop-filter:blur(8px); transition:background .18s ease,transform .18s ease; }
.portrait-linkedin:hover { transform:translateY(-2px); background:white; }
.portrait-linkedin:focus-visible { outline:3px solid var(--lime); outline-offset:3px; }
.christoph-intro h2 { max-width:13ch; margin:0; font-size:clamp(2.7rem,5vw,5.5rem); line-height:.98; letter-spacing:-.058em; }
.christoph-lead { max-width:720px; margin:1.5rem 0 2rem; color:rgba(255,255,255,.65); font-size:1.08rem; line-height:1.7; }
.christoph-intro h3 { margin:0 0 .35rem; font-size:1.35rem; } .role { margin:0; color:var(--lime); font-size:.8rem; font-weight:800; letter-spacing:.07em; text-transform:uppercase; }
.support-grid { display:grid; grid-template-columns:repeat(4,1fr); max-width:1280px; margin:0 auto 5rem; border-top:1px solid rgba(255,255,255,.18); border-bottom:1px solid rgba(255,255,255,.18); }
.support-grid article { display:flex; flex-direction:column; justify-content:center; min-height:250px; padding:1.6rem 1.3rem; border-right:1px solid rgba(255,255,255,.18); } .support-grid article:last-child { border-right:0; }
.support-grid h3 { margin:0 0 .6rem; font-size:1.55rem; } .support-grid p { margin:0; color:rgba(255,255,255,.55); line-height:1.6; }
.experience-panel { display:grid; grid-template-columns:1fr 1fr; gap:clamp(3rem,8vw,9rem); max-width:1280px; margin:0 auto; padding:clamp(2rem,5vw,4.5rem); color:var(--ink); border-radius:var(--radius); background:var(--lime); }
.experience-panel .eyebrow { color:#486324; } .experience-panel h2 { margin:0; font-size:clamp(2.25rem,4vw,4.2rem); line-height:1; letter-spacing:-.055em; }
.experience-copy p { margin:0 0 1.1rem; color:rgba(16,32,25,.72); line-height:1.7; }
.profile-links { display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.6rem; } .profile-links a { padding:.72rem .9rem; border:1px solid rgba(16,32,25,.28); border-radius:999px; text-decoration:none; font-size:.8rem; font-weight:800; transition:background .18s ease,transform .18s ease; } .profile-links a:hover { transform:translateY(-2px); background:rgba(255,255,255,.35); }

.questions-section { display:grid; grid-template-columns:.7fr 1.3fr; gap:clamp(3rem,8vw,9rem); padding:clamp(5.5rem,9vw,9rem) clamp(1.25rem,7vw,7rem); background:var(--paper); }
.questions-heading { position:sticky; top:8rem; align-self:start; } .questions-heading h2 { margin:0; font-size:clamp(2.7rem,4.8vw,5.2rem); line-height:.98; letter-spacing:-.058em; }
.faq-list { border-top:1px solid var(--rule); } .faq-list details { border-bottom:1px solid var(--rule); }
.faq-list summary { display:grid; grid-template-columns:1fr 32px; gap:1rem; align-items:center; padding:1.55rem 0; cursor:pointer; font-family:"Manrope",sans-serif; font-size:clamp(1.05rem,1.6vw,1.35rem); font-weight:700; letter-spacing:-.025em; list-style:none; }
.faq-list summary::-webkit-details-marker { display:none; } .faq-list summary span { display:grid; place-items:center; width:30px; height:30px; border:1px solid var(--rule); border-radius:50%; font-family:"DM Sans",sans-serif; font-size:1.2rem; font-weight:400; transition:transform .2s ease,background .2s ease; }
.faq-list details[open] summary span { transform:rotate(45deg); background:var(--lime); } .faq-list details p { max-width:760px; margin:-.3rem 4rem 1.7rem 0; color:var(--ink-soft); line-height:1.72; }
.faq-list details p a { color:var(--forest); font-weight:700; text-underline-offset:.2em; }
.site-footer { padding:0 clamp(1.25rem,5vw,5rem); color:white; background:var(--forest-deep); }
.footer-main { display:grid; grid-template-columns:1fr auto 1fr; align-items:center; gap:2rem; padding:2rem 0; }
.footer-main > p { margin:0; color:rgba(255,255,255,.48); font-size:.8rem; }
.footer-links { display:flex; justify-self:end; flex-wrap:wrap; justify-content:flex-end; gap:.7rem 1.2rem; }
.footer-links a { color:rgba(255,255,255,.72); text-decoration:none; font-size:.8rem; font-weight:700; }
.footer-links a:hover,.impressum a:hover { color:var(--lime); }
.impressum { display:grid; grid-template-columns:.55fr 1.45fr; gap:clamp(2rem,6vw,7rem); padding:clamp(3rem,6vw,5.5rem) 0; border-top:1px solid rgba(255,255,255,.15); }
.impressum h2 { margin:0; font-size:clamp(2.4rem,4vw,4.5rem); line-height:1; letter-spacing:-.055em; }
.impressum-grid { display:grid; grid-template-columns:1fr 1fr; gap:2rem clamp(2rem,5vw,5rem); }
.impressum-grid strong { display:block; margin-bottom:.55rem; color:white; font-family:"Manrope",sans-serif; font-size:.8rem; }
.impressum-grid p { margin:0; color:rgba(255,255,255,.55); font-size:.78rem; line-height:1.7; }
.impressum a { color:rgba(255,255,255,.78); text-underline-offset:.2em; }
.privacy-copy { display:grid; grid-template-columns:1fr 1fr; gap:2rem clamp(2rem,5vw,5rem); }
.privacy-copy > div strong { display:block; margin-bottom:.55rem; color:white; font-family:"Manrope",sans-serif; font-size:.8rem; }
.privacy-copy p { margin:0; color:rgba(255,255,255,.55); font-size:.78rem; line-height:1.7; }
.privacy-copy .draft-notice { grid-column:1 / -1; padding:1rem 1.15rem; border:1px solid rgba(200,241,90,.35); border-radius:1rem; background:rgba(200,241,90,.07); }
.privacy-copy .draft-notice strong { color:var(--lime); }
.privacy-copy .privacy-version { grid-column:1 / -1; color:rgba(255,255,255,.38); }
.reveal { opacity:0; transform:translateY(24px); transition:opacity .7s ease,transform .7s ease; } .reveal.visible { opacity:1; transform:none; }

@media (max-width:980px) {
  .site-header { grid-template-columns:1fr auto; } .site-header nav { display:none; } .value-proposition-heading,.opportunity-summary { margin-left:1.25rem; margin-right:1.25rem; }
  .section-heading,.christoph-intro,.experience-panel,.questions-section,.impressum { grid-template-columns:1fr; }
  .support-grid { grid-template-columns:1fr 1fr; } .support-grid article:nth-child(2) { border-right:0; } .support-grid article:nth-child(-n+2) { border-bottom:1px solid rgba(255,255,255,.18); }
  .questions-heading { position:static; }
}
@media (max-width:700px) {
  html { scroll-padding-top:5rem; } .site-header { padding:1rem 1.1rem; } .site-header .button span { display:none; } .site-header .button { padding:.68rem .85rem; } .header-actions { gap:.45rem; } .language-switch { min-width:2.45rem; min-height:2.45rem; padding:.45rem .55rem; } .brand-name { font-size:.95rem; } .brand-signature { font-size:1rem; }
  .opportunity-section { padding-top:6rem; } .hero-media { min-height:760px; } .hero-media img { object-position:65% center; opacity:.8; } .hero-media::after { background:linear-gradient(180deg,rgba(5,16,12,.32),rgba(5,16,12,.9) 50%,#07130e 100%); }
  .hero-content { justify-content:flex-end; min-height:690px; width:100%; margin:0; padding:4rem 1.25rem 7rem; } .hero-content h1 { font-size:clamp(3.1rem,14vw,4.8rem); } .hero-copy { font-size:1rem; } .hero-actions { gap:.8rem; }
  .value-proposition-heading { margin-top:-2rem; padding:0; }
  .opportunity-summary { grid-template-columns:1fr; } .opportunity-summary article { min-height:auto; border-right:0; border-bottom:1px solid rgba(255,255,255,.15); } .opportunity-summary article:last-child { border-bottom:0; } .opportunity-summary h2 { margin:2rem 0 .65rem; }
  .cdr-footnote { margin-left:1.25rem; margin-right:1.25rem; }
  .process-line { align-items:flex-start; flex-direction:column; padding-left:2rem; } .process-line i { transform:rotate(90deg); }
  .section-heading h2,.christoph-intro h2,.questions-heading h2 { font-size:clamp(2.6rem,12vw,4.2rem); } .section-heading h2 { font-size:clamp(2.25rem,10vw,3.4rem); }
  .biomass-control-head { align-items:stretch; flex-direction:column; gap:1rem; } .biomass-input-wrap { justify-content:space-between; } .biomass-input-wrap input { text-align:left; } .range-scale span:nth-child(2) { display:none; }
  .comparison-grid { grid-template-columns:1fr; } .comparison-card { min-height:500px; } .versus { margin:-1.65rem auto; } .carbon-metric { width:100% !important; }
  .validate-callout { align-items:flex-start; flex-direction:column; } .form-heading,.form-grid { grid-template-columns:1fr; } .form-wide { grid-column:auto; } .form-submit-row { align-items:flex-start; flex-direction:column; }
  .portrait-photo { max-width:none; } .support-grid { grid-template-columns:1fr; } .support-grid article { min-height:auto; border-right:0; border-bottom:1px solid rgba(255,255,255,.18); } .support-grid article:last-child { border-bottom:0; } .support-grid h3 { margin:0 0 .5rem; }
  .faq-list details p { margin-right:0; } .footer-main { grid-template-columns:1fr; gap:1rem; } .footer-main > p { display:none; } .footer-links { justify-self:start; justify-content:flex-start; } .impressum-grid,.privacy-copy { grid-template-columns:1fr; } .privacy-copy .draft-notice,.privacy-copy .privacy-version { grid-column:auto; }
}
@media (prefers-reduced-motion:reduce) { html { scroll-behavior:auto; } *,*::before,*::after { transition-duration:.01ms !important; animation-duration:.01ms !important; } .reveal { opacity:1; transform:none; } }