/* ARGEA — Design-System
   Layout: linke Spalte mit Abschnittslabel (Marginalie), rechte Lesespalte max. 68ch;
   ein einziges Leitmotiv: die 26-Wochen-Linie der Therapie. Keine Karten-Inflation. */
:root{
  --bg:#F2F5F4;          /* kühles Hellgrau mit Petrol-Stich */
  --bg-2:#E4ECEA;        /* Flächen, Tabellenzeilen */
  --fg:#15323A;          /* Petrol-Tinte */
  --fg-2:#4A6168;        /* Sekundärtext */
  --line:#C9D6D3;
  --accent:#B9771F;      /* Ocker: Energie, Stoffwechsel */
  --accent-ink:#8F5A12;  /* Ocker auf hellem Grund, lesbar */
  --warn:#8F3B22;        /* Risiken, Grenzen */
  --tumor:#A9442E;       /* Diagramm: Tumorzelle */
  --cell:#2F7D86;        /* Diagramm: gesunde Zelle */
  --display:"Newsreader",Georgia,"Times New Roman",serif;
  --body:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",Menlo,Consolas,monospace;
  --measure:68ch;
  --gutter:clamp(16px,4vw,48px);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0F1E22;--bg-2:#172A2F;--fg:#E3ECEA;--fg-2:#9FB5B8;--line:#2C444A;
    --accent:#D9A24C;--accent-ink:#E6B566;--warn:#E08A6E;--tumor:#D97A62;--cell:#5FB5BE;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1E22;--bg-2:#172A2F;--fg:#E3ECEA;--fg-2:#9FB5B8;--line:#2C444A;
  --accent:#D9A24C;--accent-ink:#E6B566;--warn:#E08A6E;--tumor:#D97A62;--cell:#5FB5BE;
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:inherit;text-decoration-color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
[hidden]{display:none!important}
h1,h2,h3,h4{font-family:var(--display);font-weight:400;line-height:1.12;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5.2vw,4.1rem);font-variation-settings:"opsz" 72}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3{font-size:1.35rem}
p{margin:0}
.lead{font-size:1.2rem;line-height:1.5;color:var(--fg)}
.muted{color:var(--fg-2)}
.eyebrow{font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink)}
.small{font-size:.9rem;line-height:1.5}
.num{font-variant-numeric:tabular-nums}

/* Rahmen */
.wrap{width:100%;max-width:1180px;margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(56px,8vw,104px);border-top:1px solid var(--line)}
.section.flush{border-top:0}
.grid{display:grid;grid-template-columns:minmax(0,220px) minmax(0,1fr);gap:clamp(24px,4vw,64px)}
.grid>*{min-width:0}
.rail{position:sticky;top:calc(72px + env(safe-area-inset-top,0px));align-self:start;display:grid;gap:10px}
.rail .eyebrow{display:block}
.rail .rail-note{font-size:.88rem;color:var(--fg-2);line-height:1.45}
.prose{display:grid;gap:22px;max-width:var(--measure)}
.prose ul,.prose ol{margin:0;padding-left:1.2em;display:grid;gap:8px}
.prose li::marker{color:var(--accent)}
@media (max-width:820px){.grid{grid-template-columns:1fr}.rail{position:static}}

/* Kopfzeile */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-size:1.5rem;letter-spacing:.08em}
.brand svg{width:28px;height:28px;color:var(--accent)}
.nav{display:flex;gap:22px;font-size:.92rem}
.nav a{text-decoration:none;color:var(--fg-2)}
.nav a:hover{color:var(--fg)}
.menu-btn{display:none;font:inherit;font-size:.9rem;background:none;border:1px solid var(--line);border-radius:2px;color:var(--fg);padding:9px 12px;cursor:pointer}
.top .btn .s{display:none}
@media (max-width:980px){.nav{gap:14px;font-size:.88rem}}
@media (max-width:820px){
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--bg);border-bottom:1px solid var(--line);padding:8px var(--gutter) 16px;flex-direction:column;gap:0;font-size:1.05rem}
  .nav a{padding:12px 0;border-top:1px solid var(--line)}
  .top.open .nav{display:flex}
  .top .wrap{position:relative}
  .menu-btn{display:inline-flex;margin-left:auto}
  .top .btn{padding:9px 12px;font-size:.88rem}
  .top .btn .l{display:none}.top .btn .s{display:inline}
}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border:1px solid var(--fg);border-radius:2px;
  background:var(--fg);color:var(--bg);text-decoration:none;font-size:.95rem;cursor:pointer;font-family:var(--body)}
.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.ghost{background:transparent;color:var(--fg)}
.btn.ghost:hover{background:var(--bg-2);color:var(--fg)}

/* Hero */
.hero{padding-block:clamp(48px,7vw,96px) clamp(40px,6vw,72px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,5vw,72px);align-items:center}
.hero-grid>*{min-width:0}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}}
.hero .lead{max-width:56ch;margin-top:22px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:clamp(36px,5vw,64px);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts>div{padding:20px 22px 22px 0;border-right:1px solid var(--line);display:grid;gap:8px;align-content:start}
.facts>div+div{padding-left:22px}
.facts>div:last-child{border-right:0}
.facts .eyebrow{font-size:.7rem}
.facts b{font-family:var(--display);font-weight:400;font-size:1.45rem;line-height:1.15;text-wrap:balance}
.facts>div>span:last-child{font-size:.88rem;line-height:1.5;color:var(--fg-2)}
@media (max-width:820px){.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.facts>div:nth-child(2n){border-right:0}.facts>div:nth-child(2n+1){padding-left:0}.facts>div:nth-child(n+3){border-top:1px solid var(--line)}}

/* Diagramm */
.figure{display:grid;gap:12px}
.figure figcaption{font-size:.85rem;color:var(--fg-2);line-height:1.5;max-width:52ch}
.diagram{width:100%;height:auto;display:block}
.diagram text{font-family:var(--mono);font-size:14px;fill:var(--fg)}
.diagram .lbl{fill:var(--fg-2)}
.diagram .hl{fill:var(--accent-ink)}

/* Zeitlinie 26 Wochen */
.timeline{display:grid;gap:0;margin-top:8px}
.tl-axis{position:relative;height:38px;border-bottom:2px solid var(--fg);display:flex;align-items:flex-end}
.tl-axis span{position:absolute;bottom:6px;transform:translateX(-50%);white-space:nowrap;font-family:var(--mono);font-size:.72rem;color:var(--fg-2)}
.tl-axis span:first-child{transform:none}.tl-axis span:first-child::after{left:0}.tl-axis span:last-child{transform:translateX(-100%)}.tl-axis span:last-child::after{left:auto;right:0}
.tl-axis span::after{content:"";position:absolute;left:50%;bottom:-8px;width:1px;height:8px;background:var(--fg)}
.phases{display:grid;grid-template-columns:2fr 6fr 8fr 8fr;gap:0}
@media (max-width:1100px) and (min-width:821px){.phases{grid-template-columns:3fr 6fr 8fr 7fr}}
.phase{padding:18px 16px 0 0;border-left:1px solid var(--line);padding-left:14px;display:grid;gap:8px;align-content:start}
.phase:first-child{border-left:0;padding-left:0}
.phase .eyebrow{color:var(--fg-2)}
.phase h3{font-size:1.15rem}
.phase p{font-size:.92rem;color:var(--fg-2);line-height:1.5}
@media (max-width:820px){.phases{grid-template-columns:1fr}.phase{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px}.tl-axis{display:none}}

/* Listen mit Definitionscharakter */
.defs{display:grid;gap:0;border-top:1px solid var(--line)}
.defs>div{display:grid;grid-template-columns:minmax(0,200px) minmax(0,1fr);gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.defs dt,.defs .k{font-family:var(--display);font-size:1.2rem;line-height:1.25}
.defs dd,.defs .v{margin:0;color:var(--fg-2);font-size:.98rem}
@media (max-width:640px){.defs>div{grid-template-columns:1fr;gap:6px}}

/* Schritte */
.steps{display:grid;gap:0;counter-reset:step}
.step{display:grid;grid-template-columns:64px minmax(0,1fr);gap:16px;padding:22px 0;border-top:1px solid var(--line)}
.step:last-child{border-bottom:1px solid var(--line)}
.step .n{font-family:var(--display);font-size:2rem;line-height:1;color:var(--accent-ink);font-variant-numeric:tabular-nums}
.step h3{margin-bottom:6px}
.step p{color:var(--fg-2);font-size:.98rem}
.step .meta{margin-top:8px;font-family:var(--mono);font-size:.76rem;color:var(--fg-2);letter-spacing:.04em}

/* Tabellen */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:2px}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.92rem}
th,td{text-align:left;vertical-align:top;padding:12px 14px;border-bottom:1px solid var(--line)}
th{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-2);font-weight:500;background:var(--bg-2)}
tbody tr:last-child td{border-bottom:0}
td.hi{background:color-mix(in srgb,var(--accent) 10%,transparent)}

/* Hinweis-Blöcke */
.note{border-left:3px solid var(--accent);padding:14px 18px;background:var(--bg-2);font-size:.95rem;line-height:1.55;display:grid;gap:6px}
.note.warn{border-left-color:var(--warn)}
.note b{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;font-weight:500;color:var(--fg-2)}

/* Fachbereich-Schranke */
.gate{border:1px solid var(--line);padding:clamp(22px,4vw,40px);display:grid;gap:16px;max-width:var(--measure)}
.gate .actions{display:flex;flex-wrap:wrap;gap:10px}
.pro{display:grid;gap:40px}
.pro .obs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.obs>div{display:grid;gap:10px;border-top:2px solid var(--fg);padding-top:14px}
.obs h4{font-family:var(--display);font-size:1.2rem}
.obs .vals{font-family:var(--mono);font-size:.84rem;display:grid;gap:4px;color:var(--fg-2)}
.obs .vals b{color:var(--fg);font-weight:500}
.refs{font-size:.86rem;color:var(--fg-2);display:grid;gap:8px;padding-left:1.4em;margin:0}
.refs li::marker{font-family:var(--mono);color:var(--accent-ink)}

/* Formular */
.form{display:grid;gap:16px;max-width:var(--measure)}
.form .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.field{display:grid;gap:6px}
.field label{font-size:.86rem;color:var(--fg-2)}
.field input,.field select,.field textarea{font:inherit;font-size:.98rem;padding:11px 12px;border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:2px;width:100%}
.field textarea{min-height:120px;resize:vertical}
.form .consent{display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--fg-2)}
.form .consent input{margin-top:5px}
.form-ok{border-left:3px solid var(--accent);padding:12px 16px;background:var(--bg-2);font-size:.95rem}
.contact-line{font-family:var(--mono);font-size:.9rem;display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--fg-2)}
.contact-line b{color:var(--fg);font-weight:500}

/* Fuss */
footer{border-top:1px solid var(--line);padding-block:40px 56px;font-size:.86rem;color:var(--fg-2)}
footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:28px}
footer .cols>div{display:grid;gap:8px;align-content:start}
footer a{text-decoration:none}
footer .legal{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);max-width:90ch;line-height:1.55}

/* Brand-Guide */
.swatches{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.sw{display:grid;gap:8px}
.sw i{display:block;height:88px;border:1px solid var(--line)}
.sw b{font-family:var(--mono);font-size:.76rem;font-weight:500;letter-spacing:.04em}
.sw span{font-size:.82rem;color:var(--fg-2)}
.logo-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.logo-tiles>div{border:1px solid var(--line);aspect-ratio:4/3;display:grid;place-items:center;padding:20px}
.logo-tiles .dark{background:#15323A;color:#E3ECEA}
.logo-tiles .light{background:#F2F5F4;color:#15323A}
.logo-tiles .ochre{background:#B9771F;color:#fff}
.lockup{display:flex;align-items:center;gap:12px;font-family:var(--display);font-size:2rem;letter-spacing:.1em}
.lockup svg{width:40px;height:40px;color:#B9771F}
.logo-tiles .ochre .lockup svg,.logo-tiles .dark .lockup svg{color:#E6B566}
.lockup.stack{flex-direction:column;gap:8px;font-size:1.4rem}
.lockup.stack small{font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;opacity:.75}
.type-specimen{display:grid;gap:18px;border-top:1px solid var(--line)}
.type-specimen>div{display:grid;grid-template-columns:minmax(0,180px) minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.type-specimen .tag{font-family:var(--mono);font-size:.74rem;color:var(--fg-2);letter-spacing:.06em}
@media (max-width:640px){.type-specimen>div{grid-template-columns:1fr}}
.dos{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.dos>div{display:grid;gap:10px;align-content:start}
.dos h3{font-size:1.1rem;padding-bottom:8px;border-bottom:2px solid var(--fg)}
.dos .bad h3{border-color:var(--warn)}
.dos ul{margin:0;padding-left:1.1em;display:grid;gap:8px;font-size:.95rem;color:var(--fg-2)}
.apps{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.mock{border:1px solid var(--line);background:var(--bg-2);padding:22px;display:grid;gap:10px;aspect-ratio:16/10;align-content:space-between}
.mock.card{aspect-ratio:85/55;background:#15323A;color:#E3ECEA}
.mock.card .lockup{font-size:1.3rem}.mock.card .lockup svg{width:26px;height:26px;color:#E6B566}
.mock .mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;opacity:.8}
.mock.social{background:#B9771F;color:#fff;aspect-ratio:1}
.mock.social h3{font-size:1.5rem;color:#fff}
.mock.letter{background:var(--bg);color:var(--fg)}

/* ===== Mehrseiter ===== */
.nav a[aria-current="page"]{color:var(--fg);border-bottom:1px solid var(--accent);padding-bottom:2px}
.page-head{padding-block:clamp(40px,6vw,80px) clamp(28px,4vw,48px)}
.page-head h1{font-size:clamp(2rem,4.4vw,3.4rem);max-width:20ch}
.page-head .lead{max-width:60ch;margin-top:18px}
.page-head .eyebrow{display:block}
.crumbs{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;color:var(--fg-2);margin-bottom:18px}
.crumbs a{text-decoration:none}
.subnav{display:flex;flex-wrap:wrap;gap:6px 18px;margin-top:22px;font-size:.9rem}
.subnav a{text-decoration:none;color:var(--fg-2);border-bottom:1px solid var(--line);padding-bottom:2px}
.subnav a:hover{color:var(--fg);border-color:var(--accent)}

/* Einstiegskarten (Home) */
.entries{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.entries a{display:grid;gap:10px;align-content:start;padding:22px 20px 26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none;color:inherit;min-height:170px}
.entries a:hover{background:var(--bg-2)}
.entries h3{font-size:1.3rem}
.entries p{font-size:.92rem;color:var(--fg-2)}
.entries .go{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;color:var(--accent-ink);margin-top:auto}

/* FAQ */
.faq{display:grid;gap:0;border-top:1px solid var(--line);max-width:var(--measure)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:16px 0;font-family:var(--display);font-size:1.2rem;line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent-ink);flex:0 0 auto}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 0 20px;color:var(--fg-2);display:grid;gap:10px;font-size:.98rem}
.faq .a ul{margin:0;padding-left:1.2em;display:grid;gap:6px}
.faq-group{display:grid;gap:14px;margin-bottom:40px}
.faq-group h2{font-size:1.5rem}

/* Personen */
.people{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px}
.person{display:grid;gap:10px;border-top:2px solid var(--fg);padding-top:14px}
.person .role{font-family:var(--mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-ink)}
.person h3{font-size:1.4rem}
.person p{font-size:.95rem;color:var(--fg-2)}

/* Tumorarten-Liste */
.tumours{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;border-top:1px solid var(--line)}
.tumours>div{padding:14px 16px 14px 0;border-bottom:1px solid var(--line);display:grid;gap:4px}
.tumours b{font-family:var(--display);font-weight:400;font-size:1.1rem}
.tumours span{font-size:.86rem;color:var(--fg-2)}

/* Kostenstruktur */
.cost{display:grid;gap:0;border-top:1px solid var(--line);max-width:var(--measure)}
.cost>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);align-items:start}
.cost b{font-family:var(--display);font-weight:400;font-size:1.1rem;display:block}
.cost span{font-size:.9rem;color:var(--fg-2)}
.cost .when{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;color:var(--accent-ink);white-space:nowrap;padding-top:6px}

/* Wochenplan */
.weeks{display:grid;gap:0;border-top:1px solid var(--line);max-width:var(--measure)}
.weeks>div{display:grid;grid-template-columns:110px minmax(0,1fr);gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.weeks .w{font-family:var(--mono);font-size:.8rem;letter-spacing:.06em;color:var(--accent-ink);padding-top:4px}
.weeks h3{font-size:1.15rem;margin-bottom:4px}
.weeks p{font-size:.95rem;color:var(--fg-2)}
@media (max-width:560px){.weeks>div{grid-template-columns:1fr;gap:6px}}

.cta{border-top:1px solid var(--line);padding-block:clamp(40px,6vw,72px)}
.cta .wrap{display:grid;gap:18px;justify-items:start}
.cta h2{max-width:22ch}

.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form{position:relative}
.form-ok.warn{border-left-color:var(--warn)}