/* reifen-wechseln.at
   Layout: Werkstatt-Auftragsblatt. Helles Papier, Gummi-schwarze Bänder, Gold aus dem Logo als einziger Akzent.
   Signatur: die geprägte Reifenflanke (205/55 R16 91H ...) als Band unter dem Hero. */
@font-face{font-family:"Archivo";src:url("fonts/archivo.woff2") format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url("fonts/source-sans-3.woff2") format("woff2");font-weight:200 900;font-display:swap}

:root{
  --paper:#f6f6f2; --surface:#ffffff; --ink:#1d1e1b; --ink-2:#55564f; --line:#dddcd3;
  --gold:#c4a465; --gold-ink:#7f6328; --gold-soft:#efe6d2;
  --band:#1d1e1b; --band-fg:#f1f0ea; --band-2:#a7a69d; --emboss:#2c2d29;
  --ok:#2f6b3a; --focus:#c4a465;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"Source Sans 3","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --w:72rem; --radius:6px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#121311; --surface:#1a1b18; --ink:#ecebe5; --ink-2:#a8a79e; --line:#2f302b;
  --gold:#caa96a; --gold-ink:#d6bb82; --gold-soft:#2b2617;
  --band:#0a0b09; --band-fg:#ecebe5; --band-2:#8f8e86; --emboss:#1c1d1a; --ok:#7cc48a; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#121311; --surface:#1a1b18; --ink:#ecebe5; --ink-2:#a8a79e; --line:#2f302b;
  --gold:#caa96a; --gold-ink:#d6bb82; --gold-soft:#2b2617;
  --band:#0a0b09; --band-fg:#ecebe5; --band-2:#8f8e86; --emboss:#1c1d1a; --ok:#7cc48a; color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:1.0625rem;line-height:1.6}
img{max-width:100%;height:auto}
a{color:var(--gold-ink);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
h1,h2,h3{font-family:var(--f-display);line-height:1.12;text-wrap:balance;margin:0}
h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:800;font-stretch:118%;letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,2.6vw,2rem);font-weight:750;font-stretch:112%}
h3{font-size:1.15rem;font-weight:700;font-stretch:108%}
p{margin:0}
.wrap{max-width:var(--w);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--f-display);font-stretch:118%;font-weight:700;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-ink)}
.muted{color:var(--ink-2)}
.only-dark,.brand img.only-dark{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .only-dark,:root:not([data-theme="light"]) .brand img.only-dark{display:inline-block}:root:not([data-theme="light"]) .only-light,:root:not([data-theme="light"]) .brand img.only-light{display:none}}
:root[data-theme="dark"] .only-dark,:root[data-theme="dark"] .brand img.only-dark{display:inline-block}
:root[data-theme="dark"] .only-light,:root[data-theme="dark"] .brand img.only-light{display:none}

/* Header */
.top{border-bottom:1px solid var(--line);background:var(--paper)}
.top .wrap{display:flex;align-items:center;gap:1.5rem;padding-block:.7rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;margin-right:auto}
.brand img{vertical-align:middle}
.brand .icon{width:44px;height:44px}
.brand .word{width:190px;height:auto}
.nav{display:flex;gap:1.25rem;align-items:center;font-family:var(--f-display);font-stretch:108%;font-weight:600;font-size:.95rem}
.nav a{color:var(--ink);text-decoration:none;white-space:nowrap}
.nav a.btn,.menu nav a.btn{color:var(--paper)}
.nav a.btn:hover,.menu nav a.btn:hover{color:#1d1e1b}
.nav a:hover{color:var(--gold-ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--f-display);font-stretch:112%;font-weight:700;font-size:1rem;padding:.8rem 1.2rem;border-radius:var(--radius);border:2px solid var(--ink);background:var(--ink);color:var(--paper);text-decoration:none;cursor:pointer}
.btn:hover{background:var(--gold);border-color:var(--gold);color:#1d1e1b}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{border-color:var(--gold);background:var(--gold);color:#1d1e1b}
.btn.small{padding:.5rem .9rem;font-size:.9rem}
.menu{display:none}
.menu summary{list-style:none;cursor:pointer;font-family:var(--f-display);font-weight:700;padding:.5rem .8rem;border:2px solid var(--ink);border-radius:var(--radius)}
.menu summary::-webkit-details-marker{display:none}
.menu nav{position:absolute;left:0;right:0;top:100%;background:var(--paper);border-bottom:1px solid var(--line);padding:1rem max(16px,env(safe-area-inset-right,0px)) 1.25rem max(16px,env(safe-area-inset-left,0px));display:grid;gap:.9rem;z-index:20;font-family:var(--f-display);font-weight:600}
.menu nav a{color:var(--ink);text-decoration:none}
@media (max-width:960px){.nav{display:none}.menu{display:block}.top .wrap{position:relative}.brand .word{width:160px}}
@media (max-width:420px){.brand .word{width:132px}.brand .icon{width:36px;height:36px}}

/* Hero */
.hero{padding-block:clamp(2rem,5vw,4rem) clamp(2rem,4vw,3rem)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.hero-copy{display:grid;gap:1.1rem;min-width:0}
.hero-copy .lead{font-size:1.2rem;color:var(--ink-2);max-width:36rem}
.checks{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
.checks li{display:flex;gap:.6rem;align-items:baseline}
.checks li::before{content:"";flex:none;width:.7rem;height:.7rem;border-radius:50%;border:3px solid var(--gold);transform:translateY(.05rem)}
.crumbs{font-size:.9rem;color:var(--ink-2)}
.crumbs a{color:var(--ink-2)}
@media (max-width:860px){.hero .wrap{grid-template-columns:minmax(0,1fr)}}

/* Reifenflanke */
.sidewall{background:var(--band);color:var(--band-2);overflow:hidden;border-block:6px solid var(--emboss)}
.sidewall div{white-space:nowrap;font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:clamp(.95rem,2vw,1.3rem);letter-spacing:.14em;padding-block:.8rem;text-shadow:0 1px 0 rgba(255,255,255,.06),0 -1px 0 rgba(0,0,0,.6)}
.sidewall b{color:var(--gold)}
@media (prefers-reduced-motion:no-preference){.sidewall div{animation:roll 60s linear infinite}}
@keyframes roll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* Formular */
.form{background:var(--surface);border:1px solid var(--line);border-top:6px solid var(--gold);border-radius:var(--radius);padding:clamp(1.1rem,3vw,1.6rem);display:grid;gap:.9rem;min-width:0}
.form h2{font-size:1.35rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.form label{display:grid;gap:.3rem;font-weight:600;font-size:.95rem}
.form .opt{font-weight:400;color:var(--ink-2)}
.form input,.form select,.form textarea{font:inherit;font-size:1rem;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:4px;padding:.65rem .7rem;width:100%;min-width:0}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 3px var(--gold-soft)}
.form .consent{display:flex;gap:.6rem;align-items:flex-start;font-weight:400;font-size:.88rem;color:var(--ink-2)}
.form .consent input{width:auto;margin-top:.25rem;accent-color:var(--gold)}
.form .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.form .fine{font-size:.82rem;color:var(--ink-2)}
.form .done{border:1.5px solid var(--ok);color:var(--ok);border-radius:4px;padding:.8rem;font-weight:600}
@media (max-width:480px){.form .row{grid-template-columns:1fr}}

/* Sektionen */
.section{padding-block:clamp(2.5rem,6vw,4.5rem)}
.section+.section{border-top:1px solid var(--line)}
.section-head{display:grid;gap:.6rem;max-width:44rem;margin-bottom:2rem}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem;counter-reset:s}
.steps li{display:grid;gap:.5rem;align-content:start;counter-increment:s}
.steps li::before{content:counter(s);font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:2.2rem;line-height:1;color:var(--gold)}
@media (max-width:760px){.steps{grid-template-columns:1fr}}

.grid-links{display:grid;grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));border-top:1px solid var(--line);border-left:1px solid var(--line)}
.grid-links a{border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper);padding:1rem 1.1rem;text-decoration:none;color:var(--ink);display:grid;gap:.15rem}
.grid-links a:hover{background:var(--surface)}
.grid-links strong{font-family:var(--f-display);font-stretch:110%;font-size:1.05rem}
.grid-links span{font-size:.9rem;color:var(--ink-2)}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(1.5rem,4vw,3rem);align-items:start}
@media (max-width:860px){.split{grid-template-columns:minmax(0,1fr)}}

.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem}
.facts div{display:grid;gap:.2rem;border-top:3px solid var(--ink);padding-top:.7rem}
.facts b{font-family:var(--f-display);font-stretch:118%;font-size:clamp(1.6rem,3vw,2.2rem);font-variant-numeric:tabular-nums}
@media (max-width:640px){.facts{grid-template-columns:1fr}}

.band{background:var(--band);color:var(--band-fg)}
.band .wrap{padding-block:clamp(2.5rem,6vw,4rem);display:grid;grid-template-columns:minmax(0,1.3fr) auto;gap:1.5rem;align-items:center}
.band p{color:var(--band-2)}
.band .btn{background:var(--gold);border-color:var(--gold);color:#1d1e1b}
.band .btn:hover{background:var(--band-fg);border-color:var(--band-fg)}
@media (max-width:760px){.band .wrap{grid-template-columns:1fr}}

/* Saison-Chart */
.chart{overflow-x:auto}
.chart svg{display:block;width:100%;min-width:520px;height:auto}
.chart .bar{fill:var(--line)}
.chart .bar.peak{fill:var(--gold)}
.chart text{fill:var(--ink-2);font-family:var(--f-body);font-size:13px}
.chart text.v{fill:var(--ink);font-weight:700}
.chart .base{stroke:var(--ink-2);stroke-width:1}
.cap{font-size:.85rem;color:var(--ink-2);margin-top:.5rem}

/* Artikel */
.article .wrap{display:grid;grid-template-columns:minmax(0,1fr) 20rem;gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.prose{display:grid;gap:1.1rem;max-width:42rem;min-width:0}
.prose h2{margin-top:1.2rem}
.prose ul,.prose ol{margin:0;padding-left:1.3rem;display:grid;gap:.4rem}
.prose .note{font-size:.9rem;color:var(--ink-2);border-left:3px solid var(--line);padding-left:.9rem}
.prose .src{font-size:.85rem;color:var(--ink-2)}
.table{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
.table table{border-collapse:collapse;width:100%;min-width:30rem;font-variant-numeric:tabular-nums}
.table th,.table td{text-align:left;padding:.6rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.table th{font-family:var(--f-display);font-stretch:108%;font-size:.9rem;background:var(--surface)}
.table tr:last-child td{border-bottom:0}
aside.side{position:sticky;top:1rem;display:grid;gap:1rem}
.side .box{border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;display:grid;gap:.6rem;background:var(--surface)}
.side ul{list-style:none;margin:0;padding:0;display:grid;gap:.35rem}
@media (max-width:960px){.article .wrap{grid-template-columns:minmax(0,1fr)}aside.side{position:static}}

/* Reifenflanke erklärt */
.code{display:flex;flex-wrap:wrap;gap:.4rem;font-family:var(--f-display);font-stretch:125%;font-weight:800;font-size:clamp(1.1rem,3vw,1.6rem);background:var(--band);color:var(--band-fg);padding:1rem;border-radius:var(--radius)}
.code span{padding:.1rem .4rem;border-bottom:3px solid var(--gold)}
.legend{display:grid;grid-template-columns:repeat(auto-fill,minmax(12rem,1fr));gap:.8rem}
.legend div{display:grid;gap:.1rem}
.legend b{font-family:var(--f-display);font-stretch:118%}

/* FAQ */
.faq{display:grid;gap:.6rem}
.faq details{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.faq summary{cursor:pointer;padding:.9rem 1rem;font-weight:600}
.faq details p{padding:0 1rem 1rem;color:var(--ink-2)}

/* Verzeichnis */
.dir{display:grid;gap:1.5rem}
.dir section{display:grid;gap:.6rem}
.entry{border:1px solid var(--line);border-radius:var(--radius);padding:1rem;background:var(--surface);display:grid;gap:.2rem}
.entry.premium{border-color:var(--gold);border-width:2px}
.empty{border:1.5px dashed var(--line);border-radius:var(--radius);padding:1rem;color:var(--ink-2)}
.tiers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.tiers > div{border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem;display:grid;gap:.6rem;align-content:start;background:var(--surface)}
.tiers > div.hi{border:2px solid var(--gold)}
.tiers ul{margin:0;padding-left:1.1rem;display:grid;gap:.3rem}
@media (max-width:860px){.tiers{grid-template-columns:1fr}}

/* Footer */
.foot{background:var(--band);color:var(--band-2);font-size:.92rem}
.foot .wrap{padding-block:3rem 2rem;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2rem}
.foot h3{color:var(--band-fg);font-size:.95rem;margin-bottom:.6rem}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:.3rem}
.foot a{color:var(--band-2);text-decoration:none}
.foot a:hover{color:var(--gold)}
.foot .legal{grid-column:1/-1;border-top:1px solid var(--emboss);padding-top:1.2rem;display:flex;flex-wrap:wrap;gap:1rem 1.5rem;justify-content:space-between}
@media (max-width:860px){.foot .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.foot .wrap{grid-template-columns:1fr}}
.placeholder{background:var(--gold-soft);color:var(--gold-ink);padding:0 .25rem;border-radius:3px}