@font-face{font-family:'Fraunces';font-style:normal;font-weight:100 900;font-display:swap;src:url(fonts/fraunces.woff2) format('woff2')}
@font-face{font-family:'Fraunces';font-style:italic;font-weight:100 900;font-display:swap;src:url(fonts/fraunces-italic.woff2) format('woff2')}
@font-face{font-family:'Inter Tight';font-style:normal;font-weight:100 900;font-display:swap;src:url(fonts/inter-tight.woff2) format('woff2')}

:root{
  --green:#196B24; --green-deep:#0F4A18; --green-leaf:#2E9E3F;
  --gold:#E0A100; --gold-soft:#F6C544; --gold-ink:#8A6200;
  --ink:#16221A; --muted:#56655B; --line:#DCE5DE;
  --bg:#F4F8F4; --surface:#FFFFFF; --soft:#EAF2EB; --tint:#DFF0E2;
  --hero-bg:#0F4A18; --hero-ink:#F3FAF4; --hero-muted:#BFDCC4;
  --warn-bg:#FDF1DC; --warn-ink:#8A4B00;
  --shadow:0 1px 2px rgba(15,74,24,.06),0 10px 30px rgba(15,74,24,.07);
  --r-s:8px; --r-m:14px; --r-l:22px;
  --display:"Fraunces",Georgia,"Times New Roman",serif;
  --body:"Inter Tight","Segoe UI",system-ui,-apple-system,Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --green:#5CC46C; --green-deep:#A6E0AE; --green-leaf:#6FD27F;
    --gold:#F2B92C; --gold-soft:#F6C544; --gold-ink:#F6C544;
    --ink:#E6EFE8; --muted:#9DB0A3; --line:#26382B;
    --bg:#0D1710; --surface:#132016; --soft:#18291C; --tint:#1B3320;
    --hero-bg:#0A3312; --hero-ink:#F3FAF4; --hero-muted:#A9CDB0;
    --warn-bg:#2E2412; --warn-ink:#F2C46A;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.25);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --green:#5CC46C; --green-deep:#A6E0AE; --green-leaf:#6FD27F;
  --gold:#F2B92C; --gold-soft:#F6C544; --gold-ink:#F6C544;
  --ink:#E6EFE8; --muted:#9DB0A3; --line:#26382B;
  --bg:#0D1710; --surface:#132016; --soft:#18291C; --tint:#1B3320;
  --hero-bg:#0A3312; --hero-ink:#F3FAF4; --hero-muted:#A9CDB0;
  --warn-bg:#2E2412; --warn-ink:#F2C46A;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;font-feature-settings:"ss01","cv11"}
a{color:var(--green)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding-inline:clamp(16px,4vw,32px)}
h1,h2,h3{font-family:var(--display);font-weight:600;line-height:1.08;margin:0;text-wrap:balance;font-variation-settings:"SOFT" 50,"WONK" 0}
.eyebrow{font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:var(--green-leaf)}
.num{font-variant-numeric:tabular-nums}

/* NAV */
.topnav{background:var(--bg);position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:color-mix(in srgb,var(--bg) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topnav .wrap{display:flex;align-items:center;gap:16px;min-height:56px}
.topnav .brand{font-family:var(--display);font-weight:600;font-size:17px;color:var(--green-deep);white-space:nowrap}
.topnav .links{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.topnav .links a{font-size:14px;font-weight:600;color:var(--muted);text-decoration:none;padding:7px 11px;border-radius:var(--r-s);white-space:nowrap}
.topnav .links a:hover{background:var(--soft);color:var(--green-deep)}
@media(max-width:720px){.topnav .brand{display:none}.topnav .links{margin-left:0}}

/* HERO */
.hero{background:var(--hero-bg);color:var(--hero-ink);padding-block:clamp(48px,7vw,88px) clamp(48px,6vw,76px);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}}
.status{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#10220F;background:var(--gold-soft);padding:6px 12px;border-radius:999px}
.status svg{width:15px;height:15px}
.hero h1{font-size:clamp(44px,7.4vw,86px);font-weight:500;letter-spacing:-.02em;margin:22px 0 20px;font-variation-settings:"SOFT" 100,"WONK" 1,"opsz" 144}
.hero h1 em{font-style:italic;color:var(--gold-soft);font-weight:400}
.hero .lede{font-size:clamp(18px,2.1vw,21px);color:var(--hero-muted);max-width:34ch;margin:0}
.hero .meta{margin-top:28px;font-size:14.5px;color:var(--hero-muted)}
.hero .meta b{color:var(--hero-ink)}
.cal{justify-self:center;width:min(300px,78vw)}
.cal svg{width:100%;height:auto;display:block;filter:drop-shadow(0 18px 30px rgba(0,0,0,.28))}

/* SECTIONS */
section{padding-block:clamp(56px,8vw,96px)}
.sec-head{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(20px,4vw,56px);align-items:end;margin-bottom:clamp(28px,4vw,44px)}
@media(max-width:860px){.sec-head{grid-template-columns:1fr}}
.sec-head h2{font-size:clamp(32px,4.6vw,52px);letter-spacing:-.015em;color:var(--green-deep);margin-top:10px}
.sec-head p{margin:0;color:var(--muted);font-size:18px;max-width:58ch}

/* LEDGER (Anspruch) */
.ledger{display:grid;grid-template-columns:1.25fr 1fr 1fr;border:1px solid var(--line);border-radius:var(--r-l);background:var(--surface);box-shadow:var(--shadow);overflow:hidden}
@media(max-width:860px){.ledger{grid-template-columns:1fr}}
.ledger > div{padding:clamp(22px,3vw,32px)}
.ledger > div + div{border-left:1px solid var(--line)}
@media(max-width:860px){.ledger > div + div{border-left:0;border-top:1px solid var(--line)}}
.ledger .lead-cell{background:var(--tint)}
.ledger .k{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ledger .v{font-family:var(--display);font-size:clamp(64px,8vw,104px);line-height:.95;color:var(--green);font-weight:500;margin:10px 0 6px;font-variation-settings:"opsz" 144,"SOFT" 100}
.ledger .lead-cell .v{color:var(--green-deep)}
.ledger .v small{font-family:var(--body);font-size:18px;font-weight:600;color:var(--muted);margin-left:6px;letter-spacing:0}
.ledger .d{font-size:15.5px;color:var(--ink);margin:0;max-width:30ch}
.cap-row{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;margin-top:22px;padding:18px 22px;border-radius:var(--r-m);background:var(--warn-bg);color:var(--warn-ink);font-size:15.5px}
.cap-row b{font-family:var(--display);font-size:24px;font-weight:600;margin-right:4px}

/* RULES */
.rules{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,32px);margin-top:clamp(28px,4vw,44px)}
@media(max-width:860px){.rules{grid-template-columns:1fr}}
.rule h3{font-size:24px;color:var(--green-deep);margin-bottom:10px}
.rule p{margin:0 0 10px;color:var(--ink)}
.rule ul{margin:0;padding-left:0;list-style:none;display:grid;gap:9px}
.rule li{position:relative;padding-left:26px}
.rule li::before{content:"";position:absolute;left:2px;top:.62em;width:12px;height:2px;background:var(--green-leaf)}
.rule.block li::before{height:12px;width:12px;top:.42em;background:none;border:2px solid var(--warn-ink);border-radius:3px;transform:rotate(45deg) scale(.8)}

/* STEPS */
.steps-sec{background:var(--surface);border-block:1px solid var(--line)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;position:relative}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:36px}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.steps li{counter-increment:s;padding-right:clamp(16px,2.4vw,28px);position:relative}
.steps li::before{content:counter(s);display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;font-family:var(--display);font-size:21px;font-weight:600;margin-bottom:18px;position:relative;z-index:1}
.steps li::after{content:"";position:absolute;top:22px;left:44px;right:0;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 11px)}
.steps li:last-child::after{display:none}
@media(max-width:900px){.steps li::after{display:none}}
.steps h3{font-size:21px;color:var(--green-deep);margin-bottom:8px}
.steps p{margin:0;font-size:15.5px;color:var(--muted)}
.steps .when{display:inline-block;margin-top:12px;font-size:13px;font-weight:700;color:var(--gold-ink);background:color-mix(in srgb,var(--gold) 16%,transparent);padding:4px 10px;border-radius:999px}
.mailbox{margin-top:clamp(32px,5vw,52px);display:grid;grid-template-columns:auto 1fr;gap:18px 24px;align-items:start;padding:clamp(20px,3vw,28px);border-radius:var(--r-l);background:var(--soft)}
@media(max-width:600px){.mailbox{grid-template-columns:1fr}}
.mailbox .lbl{font-family:var(--display);font-size:22px;color:var(--green-deep);font-weight:600}
.mailbox pre{margin:0;font-family:var(--body);font-size:15px;white-space:pre-wrap;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:16px 18px;color:var(--ink)}
.copy{margin-top:10px;font:600 14px var(--body);color:var(--green);background:transparent;border:1.5px solid var(--green);border-radius:var(--r-s);padding:7px 14px;cursor:pointer}
.copy:hover{background:var(--green);color:#fff}

/* WHY: model */
.model{display:grid;grid-template-columns:.9fr 1.1fr;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
@media(max-width:880px){.model{grid-template-columns:1fr}}
.controls{padding:clamp(20px,3vw,30px);background:var(--soft)}
.controls .t{font-size:14px;font-weight:700;margin-bottom:10px;display:block}
.scenario{display:flex;gap:6px;margin-bottom:24px;background:var(--surface);padding:5px;border-radius:12px;border:1px solid var(--line)}
.scenario button{flex:1;padding:10px 6px;border:0;background:transparent;border-radius:9px;font:700 14px var(--body);color:var(--muted);cursor:pointer}
.scenario button[aria-pressed="true"]{background:var(--green);color:#fff}
.ctrl{margin-bottom:20px}
.ctrl label{display:flex;justify-content:space-between;gap:10px;font-size:14.5px;font-weight:600;margin-bottom:8px}
.ctrl label .val{color:var(--green-deep);font-weight:800;font-variant-numeric:tabular-nums}
.hint{font-size:13px;color:var(--muted);margin-top:6px}
input[type=range]{width:100%;accent-color:var(--green);height:22px}
.results{padding:clamp(20px,3vw,30px)}
.bigstat{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px dashed var(--line);margin-bottom:22px}
.bigstat .v{font-family:var(--display);font-size:clamp(56px,8vw,84px);font-weight:500;color:var(--green);line-height:1;font-variant-numeric:tabular-nums;font-variation-settings:"opsz" 144}
.bigstat .l{font-size:16px;color:var(--muted);max-width:24ch}
.chart svg{width:100%;height:auto;display:block}
.chart text{font-family:var(--body)}
.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.costrow{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.costrow div{background:var(--soft);border-radius:var(--r-m);padding:14px 16px}
.costrow .v{font-family:var(--display);font-size:28px;font-weight:600;color:var(--green-deep);font-variant-numeric:tabular-nums}
.costrow .l{font-size:13.5px;color:var(--muted)}
.modelnote{grid-column:1/-1;font-size:14px;color:var(--muted);padding:16px clamp(20px,3vw,30px);border-top:1px solid var(--line)}
.modelnote b{color:var(--ink)}

/* SCIENCE */
.science{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:clamp(40px,6vw,64px);border-top:2px solid var(--green-deep)}
@media(max-width:780px){.science{grid-template-columns:1fr}}
.science article{padding:26px 28px 26px 0;border-bottom:1px solid var(--line)}
.science article:nth-child(even){padding-left:28px;padding-right:0;border-left:1px solid var(--line)}
@media(max-width:780px){.science article,.science article:nth-child(even){padding:22px 0;border-left:0}}
.science .tag{font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-ink)}
.science h3{font-size:25px;margin:8px 0 10px;color:var(--green-deep)}
.science p{margin:0;font-size:16px}
.science .src{margin-top:12px;font-size:13.5px;color:var(--muted);font-style:italic}

/* PRECEDENTS */
.prec{display:grid;grid-template-columns:1.3fr 1fr;gap:18px}
@media(max-width:820px){.prec{grid-template-columns:1fr}}
.prec .main{display:flex;flex-direction:column;justify-content:flex-end;background:var(--green-deep);color:var(--hero-ink);border-radius:var(--r-l);padding:clamp(24px,3.4vw,36px)}
:root[data-theme="dark"] .prec .main{background:var(--hero-bg)}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .prec .main{background:var(--hero-bg)}}
.prec .main .flag{color:var(--gold-soft);font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.prec .main h3{font-size:clamp(26px,3vw,34px);margin:10px 0 12px}
.prec .main p{margin:0;color:var(--hero-muted);font-size:16.5px}
.prec .side{display:grid;gap:14px}
.prec .side > div{border:1px solid var(--line);background:var(--surface);border-radius:var(--r-m);padding:18px 20px}
.prec .side .flag{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--green-leaf)}
.prec .side h3{font-size:19px;margin:6px 0 6px;color:var(--green-deep)}
.prec .side p{margin:0;font-size:15px;color:var(--muted)}

/* FAQ */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-family:var(--display);font-size:clamp(19px,2.2vw,23px);font-weight:600;color:var(--green-deep);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-family:var(--body);font-weight:400;font-size:28px;color:var(--green-leaf);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{margin:0 0 22px;color:var(--ink);max-width:68ch}

/* CONTACT + FOOTER */
.contact{background:var(--hero-bg);color:var(--hero-ink);border-radius:var(--r-l);padding:clamp(28px,4.5vw,52px);display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:end}
@media(max-width:780px){.contact{grid-template-columns:1fr}}
.contact h2{font-size:clamp(28px,4vw,44px);font-weight:500;font-variation-settings:"SOFT" 100,"opsz" 144}
.contact h2 em{color:var(--gold-soft);font-weight:400}
.contact p{color:var(--hero-muted);margin:14px 0 0;max-width:48ch}
.contact .who{border-left:3px solid var(--gold-soft);padding-left:18px}
.contact .who b{display:block;font-family:var(--display);font-size:22px;font-weight:600;color:var(--hero-ink)}
.contact .who span{color:var(--hero-muted);font-size:15px}
footer{padding-block:48px 64px;color:var(--muted);font-size:14px}
footer h4{font-family:var(--display);color:var(--ink);font-size:18px;font-weight:600;margin:0 0 12px}
footer ol{margin:0;padding-left:20px;display:grid;gap:6px;max-width:90ch}
.disc{margin-top:22px;font-size:13px;border-top:1px solid var(--line);padding-top:16px;max-width:90ch}

@media print{
  .topnav,.copy,.scenario{display:none}
  body{background:#fff;font-size:12pt}
  .hero,.contact,.prec .main{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  section{padding-block:28px;break-inside:avoid-page}
  .faq details{break-inside:avoid}
}