/* wattVESTOR – Corporate Design: Navy (Logo) #1C2E3B, Lime #C8D463, Steel #8F9AA1, Light #DCE2E4, viel Weiß.
   Lime nur als Fläche/Akzent (zu wenig Kontrast für Text). Layout: linksbündig, Tabellenraster als Signaturelement. */

@font-face{font-family:"Archivo";font-weight:600;font-style:normal;font-display:swap;src:url("fonts/archivo-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"Archivo";font-weight:800;font-style:normal;font-display:swap;src:url("fonts/archivo-latin-800-normal.woff2") format("woff2")}
@font-face{font-family:"Source Sans 3";font-weight:400;font-style:normal;font-display:swap;src:url("fonts/source-sans-3-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"Source Sans 3";font-weight:400;font-style:italic;font-display:swap;src:url("fonts/source-sans-3-latin-400-italic.woff2") format("woff2")}
@font-face{font-family:"Source Sans 3";font-weight:600;font-style:normal;font-display:swap;src:url("fonts/source-sans-3-latin-600-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:400;font-style:normal;font-display:swap;src:url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2")}
@font-face{font-family:"IBM Plex Mono";font-weight:500;font-style:normal;font-display:swap;src:url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2")}

:root{
  --paper:#f5f7f8; --surface:#ffffff; --ink:#1c2e3b; --text:#38444b; --muted:#5f6b72; --line:#dce2e4; --grid:#e9edef;
  --brand:#1c2e3b; --brand-ink:#ffffff; --brand-soft:#eef1f2;
  --key:#c8d463; --key-ink:#1c2e3b; --input:#2e6da4; --pos:#4f7a12; --neg:#a12622; --in-fill:#eef3cc;
  --shadow:0 1px 2px rgba(28,46,59,.06),0 8px 24px rgba(28,46,59,.07);
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"Source Sans 3","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --f-mono:"IBM Plex Mono",Consolas,"Courier New",monospace;
  --s-1:.875rem; --s0:1.0625rem; --s1:1.25rem; --s2:1.5rem; --s3:2rem; --s4:clamp(2.2rem,4.6vw,3.4rem);
  --wrap:72rem; --measure:40rem; --radius:6px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#0f1a22; --surface:#16232d; --ink:#e8eef1; --text:#c9d2d7; --muted:#9aa6ad; --line:#2a3a46; --grid:#1f2e39;
  --brand:#c8d463; --brand-ink:#1c2e3b; --brand-soft:#1d2c37;
  --key:#c8d463; --key-ink:#1c2e3b; --input:#8db8e0; --pos:#b9cc52; --neg:#ff8a80; --in-fill:#34401f;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0f1a22; --surface:#16232d; --ink:#e8eef1; --text:#c9d2d7; --muted:#9aa6ad; --line:#2a3a46; --grid:#1f2e39;
  --brand:#c8d463; --brand-ink:#1c2e3b; --brand-soft:#1d2c37;
  --key:#c8d463; --key-ink:#1c2e3b; --input:#8db8e0; --pos:#b9cc52; --neg:#ff8a80; --in-fill:#34401f;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);
  color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font:400 var(--s0)/1.6 var(--f-body)}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--key);outline-offset:2px;border-radius:2px}
h1,h2,h3{color:var(--ink);font-family:var(--f-display);line-height:1.12;text-wrap:balance;margin:0;letter-spacing:-.01em}
h1{font-size:var(--s4);font-weight:800}
h2{font-size:var(--s3);font-weight:800}
h3{font-size:var(--s1);font-weight:600}
p{margin:0}
.num,td.n,th.n{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(16px,4vw,32px)}
.stack{display:flex;flex-direction:column;gap:1rem}
.eyebrow{font:500 var(--s-1)/1.3 var(--f-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.lead{font-size:var(--s1);color:var(--muted);max-width:var(--measure)}
.mark{background:var(--key);color:var(--key-ink);padding:0 .18em;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;z-index:10;background:var(--surface);padding:.5rem 1rem}

/* Kopfzeile */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:4rem;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-size:1.3rem;line-height:1}
.logo b{font-weight:800;letter-spacing:.02em}.logo span{font-weight:600}
.logo svg{flex:none}
.nav{display:flex;gap:.25rem 1.25rem;flex-wrap:wrap;align-items:center;font-weight:600}
.nav a{color:var(--ink);text-decoration:none;padding:.35rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--key)}
@media (max-width:760px){.nav .opt{display:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:600 var(--s0)/1 var(--f-body);padding:.85rem 1.25rem;border-radius:var(--radius);text-decoration:none;border:1.5px solid transparent;cursor:pointer;white-space:nowrap}
.btn-buy{background:var(--key);color:var(--key-ink);border-color:color-mix(in srgb,var(--key-ink) 25%,var(--key))}
.btn-buy:hover{filter:brightness(.96)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink)}
.btn .price{font-family:var(--f-mono);font-weight:500}
.btn-row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}
.soon-note{font-size:var(--s-1);color:var(--muted)}

/* Abschnitte */
section{padding-block:clamp(3rem,7vw,5.5rem)}
section+section{border-top:1px solid var(--line)}
.section-head{display:flex;flex-direction:column;gap:.75rem;margin-bottom:2.25rem;max-width:46rem}

/* Hero */
.hero{padding-block:clamp(2.5rem,6vw,4.5rem)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(2rem,5vw,4rem);align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:1.25rem;min-width:0}
.hero-facts{display:flex;flex-wrap:wrap;gap:.4rem 1.25rem;font-size:var(--s-1);color:var(--muted);padding:0;margin:0;list-style:none}
.hero-facts li::before{content:"";display:inline-block;width:.55em;height:.55em;background:var(--pos);margin-right:.45em;border-radius:1px}
@media (max-width:880px){.hero-grid{grid-template-columns:1fr}}

/* Tabellenraster (Signatur) */
.sheet{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;min-width:0}
.sheet-bar{display:flex;align-items:center;gap:.6rem;padding:.5rem .75rem;border-bottom:1px solid var(--line);font:500 .8rem/1 var(--f-mono);color:var(--muted)}
.sheet-bar .fx{font-style:italic;color:var(--brand)}
.sheet-scroll{overflow-x:auto}
.sheet table{border-collapse:collapse;width:100%;font-size:.92rem}
.sheet th,.sheet td{border:1px solid var(--grid);padding:.45rem .6rem;text-align:left;white-space:nowrap}
.sheet thead .cols th{background:var(--paper);color:var(--muted);font:500 .72rem/1 var(--f-mono);text-align:center;padding:.3rem}
.sheet .rn{background:var(--paper);color:var(--muted);font:500 .72rem/1 var(--f-mono);text-align:center;width:2rem}
.sheet .hd th{background:var(--brand);color:var(--brand-ink);font-weight:600;border-color:var(--brand)}
.sheet td.n,.sheet th.n{text-align:right}
.sheet td.pos{color:var(--pos)}
.sheet td.in{background:var(--in-fill);color:var(--ink)}
.sheet td.key{background:var(--key);color:var(--key-ink)}
.sheet caption{caption-side:bottom;text-align:left;padding:.6rem .75rem;font-size:.8rem;color:var(--muted)}

/* Produkte */
.products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem}
@media (max-width:900px){.products{grid-template-columns:1fr}}
.product{display:flex;flex-direction:column;gap:1rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;min-width:0}
.product .tag{font:500 .75rem/1 var(--f-mono);letter-spacing:.05em;text-transform:uppercase;color:var(--brand)}
.product ul{margin:0;padding-left:1.1rem;color:var(--muted)}
.product .foot{margin-top:auto;display:flex;align-items:end;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-top:1rem;border-top:1px solid var(--line)}
.price-big{font:500 1.6rem/1 var(--f-mono)}
.price-big small{display:block;font:400 .75rem/1.3 var(--f-body);color:var(--muted);margin-top:.35rem}
.kpi-line{display:flex;justify-content:space-between;gap:1rem;font-size:.95rem}
.kpi-line .num{color:var(--pos)}

.bundle{margin-top:1.25rem;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1.5rem;align-items:center;padding:1.5rem 1.75rem;border-radius:var(--radius);background:var(--brand-soft);border:1px solid color-mix(in srgb,var(--brand) 30%,var(--line))}
.bundle .price-big s{font-size:1rem;color:var(--muted);margin-right:.5rem}
@media (max-width:700px){.bundle{grid-template-columns:1fr}}

/* Funktionen */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:1.75rem 2rem}
.feature{display:flex;flex-direction:column;gap:.4rem;min-width:0;padding-top:.9rem;border-top:3px solid var(--grid)}
.feature h3{font-size:1.1rem}
.feature p{color:var(--muted);font-size:.98rem}
.feature.key{border-top-color:var(--key)}

.legend{display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;font-size:var(--s-1);color:var(--muted);margin-top:1.5rem}
.legend span{display:inline-flex;align-items:center;gap:.45rem}
.legend i{width:1.1rem;height:.8rem;border:1px solid var(--line);display:inline-block}

/* Galerie */
.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.5rem}
.gallery figure{margin:0;display:flex;flex-direction:column;gap:.6rem;min-width:0}
.gallery figure.wide{grid-column:1/-1}
.shot{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.5rem;box-shadow:var(--shadow);cursor:zoom-in}
.shot img{width:100%}
figcaption{font-size:var(--s-1);color:var(--muted)}
.shot-placeholder{aspect-ratio:16/8;max-width:100%;display:grid;place-items:center;text-align:center;padding:1.5rem;border:1.5px dashed var(--line);border-radius:var(--radius);color:var(--muted);background:repeating-linear-gradient(0deg,transparent 0 27px,var(--grid) 27px 28px),repeating-linear-gradient(90deg,transparent 0 95px,var(--grid) 95px 96px)}
@media (max-width:700px){.gallery{grid-template-columns:1fr}}
dialog.lightbox{border:0;padding:0;background:transparent;max-width:min(96vw,1800px);max-height:94vh}
dialog.lightbox::backdrop{background:rgba(5,12,20,.8)}
dialog.lightbox img{max-height:90vh;width:auto;background:#fff;padding:.5rem;border-radius:4px}
dialog.lightbox button{position:absolute;top:.5rem;right:.5rem;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:4px;padding:.3rem .7rem;font:600 1rem var(--f-body);cursor:pointer}

/* Kaufbox Produktseite */
.buybox{display:flex;flex-direction:column;gap:1rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);min-width:0}
.buybox ul{margin:0;padding-left:1.1rem;color:var(--muted);font-size:.95rem}
.two-col{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:clamp(2rem,5vw,3.5rem);align-items:start}
@media (max-width:880px){.two-col{grid-template-columns:1fr}}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:.55rem}
.checklist li{padding-left:1.6rem;position:relative}
.checklist li::before{content:"";position:absolute;left:0;top:.45em;width:.95rem;height:.6rem;border-left:2.5px solid var(--pos);border-bottom:2.5px solid var(--pos);transform:rotate(-45deg)}

/* FAQ */
.faq{display:grid;gap:.5rem;max-width:48rem}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 1.25rem}
.faq summary{cursor:pointer;font-weight:600;padding:1rem 0;list-style-position:outside}
.faq details[open] summary{border-bottom:1px solid var(--grid)}
.faq details p{padding:1rem 0;color:var(--muted)}

/* Artikel / Rechtstexte */
.prose{max-width:var(--measure);display:flex;flex-direction:column;gap:1.1rem}
.prose h2{font-size:var(--s2);margin-top:1.5rem}
.prose h3{margin-top:.75rem}
.prose ul,.prose ol{margin:0;padding-left:1.3rem;display:grid;gap:.35rem}
.prose .formula{font-family:var(--f-mono);background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--key);padding:.9rem 1rem;border-radius:4px;overflow-x:auto;white-space:nowrap}
.prose .sheet{margin-block:.5rem}
.note{background:var(--brand-soft);border-radius:var(--radius);padding:1rem 1.25rem;font-size:.97rem}
.draft{background:var(--key);color:var(--key-ink);padding:.9rem 1.1rem;border-radius:var(--radius);font-weight:600}
.cta-box{display:flex;flex-direction:column;gap:.9rem;padding:1.5rem;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);margin-top:1.5rem}
.article-list{display:grid;gap:1rem;max-width:48rem}
.article-list a{display:flex;flex-direction:column;gap:.35rem;padding:1.25rem 1.5rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink)}
.article-list a:hover{border-color:var(--brand)}
.article-list p{color:var(--muted)}
.crumbs{font-size:var(--s-1);color:var(--muted);display:flex;gap:.4rem;flex-wrap:wrap}
.crumbs a{color:var(--muted)}

/* Fußzeile */
.site-footer{border-top:1px solid var(--line);padding-block:2.5rem;font-size:.95rem;color:var(--muted)}
.site-footer .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:1.5rem 2rem}
.site-footer ul{list-style:none;padding:0;margin:.5rem 0 0;display:grid;gap:.3rem}
.site-footer a{color:var(--muted)}
.site-footer strong{color:var(--ink)}
.disclaimer{grid-column:1/-1;font-size:.85rem;border-top:1px solid var(--line);padding-top:1.25rem}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
.sheet td.neg{color:var(--neg)}
.legend .lg-in{background:var(--in-fill);border-color:#aab848}
.legend .lg-key{background:var(--key)}
.legend .lg-pos{background:var(--surface);border-bottom:3px solid var(--input)}
.legend .lg-calc{background:var(--surface);border-bottom:3px solid var(--ink)}
.h3like{font-size:var(--s1);font-weight:600}
.logo .wm{display:inline-flex;align-items:baseline}
.hero-sheet .sheet table{font-size:.85rem}
.hero-sheet .sheet th,.hero-sheet .sheet td{padding:.4rem .5rem}
.hero-sheet .sheet caption{white-space:normal}
.hero-sheet,.two-col>*{min-width:0}
@media (max-width:480px){.btn{white-space:normal;text-align:center}}
.two-col.wide-left{grid-template-columns:minmax(0,1.9fr) minmax(0,1fr)}
@media (max-width:980px){.two-col.wide-left{grid-template-columns:1fr}}

/* Corporate Design – Ergänzungen */
.logo img{height:36px;width:auto;display:block}
.site-footer .logo img{height:30px}
.product{padding:0;overflow:hidden}
.product>*:not(.product-banner){margin-inline:1.5rem}
.product>.foot{margin-bottom:0}
.product>a:last-child{margin-bottom:1.5rem}
.product-banner{display:block;border-bottom:1px solid var(--line);margin:0}
.product-banner img{width:100%;height:auto;aspect-ratio:1436/445;object-fit:cover}
.page-banner{width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line);margin-bottom:2rem}
.btn-buy{border-color:transparent}
.btn-buy:hover{filter:brightness(1.05)}
.feature.key{border-top-color:var(--key)}
.sheet .hd th{background:var(--brand);color:var(--brand-ink)}
.site-header{border-bottom-color:var(--line)}
@media (prefers-color-scheme:dark){.logo img{height:29px}}