/* Der Linkshändler – Schulheft, Königsblau, Löschblatt */
@font-face{font-family:"Bricolage";src:url("fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2");font-weight:200 800;font-display:swap}
@font-face{font-family:"Atkinson";src:url("fonts/atkinson-hyperlegible-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Atkinson";src:url("fonts/atkinson-hyperlegible-latin-700-normal.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Atkinson";src:url("fonts/atkinson-hyperlegible-latin-400-italic.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}

:root{
  --heft:#fcfdff;      /* Heftweiß */
  --linie:#c5d5f2;     /* Lineatur */
  --blau:#2440c4;      /* Königsblau */
  --nacht:#0f1a4d;     /* getrocknete Tinte */
  --loesch:#f6cdd3;    /* Löschblatt */
  --rot:#d1242f;       /* Korrekturrand */
  --grau:#4a5578;
  --zeile:2rem;
  --rand:clamp(1rem,4vw,3rem);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--heft);color:var(--nacht);font:1.0625rem/1.65 "Atkinson",system-ui,sans-serif}
h1,h2,h3,.brand{font-family:"Bricolage","Atkinson",system-ui,sans-serif;line-height:1.1;letter-spacing:-.015em}
a{color:var(--blau);text-underline-offset:.18em;text-decoration-thickness:.08em}
a:hover{text-decoration-thickness:.16em}
:focus-visible{outline:3px solid var(--blau);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;background:var(--heft);padding:.5rem 1rem;z-index:9}
.star{color:var(--rot);font-weight:700;margin-left:.1em}

/* Kopf */
.head{display:flex;flex-wrap:wrap;align-items:baseline;gap:.5rem 2rem;padding:1rem var(--rand);border-bottom:2px solid var(--nacht)}
.brand{font-size:1.5rem;font-weight:800;color:var(--nacht);text-decoration:none;white-space:nowrap}
.brand span{color:var(--blau)}
.head nav ul{display:flex;flex-wrap:wrap;gap:.25rem 1.25rem;list-style:none;margin:0;padding:0}
.head nav a{color:var(--nacht);text-decoration:none;font-size:.97rem;padding:.2rem 0;display:inline-block}
.head nav a:hover,.head nav a[aria-current]{box-shadow:0 2px 0 var(--blau)}

/* Startseite: Heftseite mit Korrekturrand rechts */
.hero{position:relative;padding:calc(var(--zeile)*2) var(--rand) calc(var(--zeile)*2);
  background:repeating-linear-gradient(to bottom,transparent 0 calc(var(--zeile) - 1px),var(--linie) calc(var(--zeile) - 1px) var(--zeile));
  border-bottom:2px solid var(--nacht);overflow:hidden}
.hero::after{content:"";position:absolute;top:0;bottom:0;right:clamp(1.5rem,12vw,11rem);width:2px;background:var(--rot);opacity:.75}
.hero h1{font-size:clamp(2.4rem,7.2vw,5.6rem);font-weight:800;line-height:1;max-width:13ch;margin:0 0 var(--zeile);color:var(--blau);
  text-shadow:.06em 0 .03em rgba(36,64,196,.28),.16em 0 .07em rgba(36,64,196,.16),.32em 0 .14em rgba(36,64,196,.08)}
.hero p{max-width:34rem;font-size:1.2rem;line-height:var(--zeile);margin:0 0 var(--zeile)}
.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,30rem);gap:2rem;align-items:center}
.hero-b{width:100%;height:auto;position:relative;z-index:1}
.bild{margin:1.5rem 0 0;border:2px solid var(--nacht);border-radius:4px;overflow:hidden;
  background:repeating-linear-gradient(to bottom,var(--heft) 0 calc(var(--zeile) - 1px),var(--linie) calc(var(--zeile) - 1px) var(--zeile))}
.bild img{display:block;width:100%;height:auto}
.hero .cta{display:flex;flex-wrap:wrap;gap:.75rem}
.sec{padding:3rem var(--rand)}
.sec>h2{font-size:clamp(1.6rem,3.4vw,2.3rem);margin:0 0 1.25rem;max-width:22ch}
.sec>p{max-width:40rem}
.sec.loesch{background:var(--loesch)}
.two{display:grid;gap:2rem 4rem;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));max-width:64rem}
.two h3{margin:0 0 .4rem;font-size:1.2rem}
.two p{margin:0}

/* Verzeichnis: Zeilen wie im Heft */
.idx{list-style:none;margin:0;padding:0;border-top:1px solid var(--linie);max-width:64rem}
.idx a{display:grid;grid-template-columns:7rem minmax(9rem,15rem) 1fr;gap:.25rem 1.5rem;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--linie);text-decoration:none;color:var(--nacht)}
.idx-t{font-family:"Bricolage",sans-serif;font-weight:700;font-size:1.15rem;color:var(--blau)}
.idx-d{color:var(--grau)}
.idx img{width:7rem;height:auto;display:block}
.idx a:hover{background:linear-gradient(to right,rgba(246,205,211,.55),transparent 70%)}
.idx a:hover .idx-t{text-decoration:underline}

/* Buttons */
.btn{display:inline-block;background:var(--blau);color:#fff;font-weight:700;text-decoration:none;padding:.6rem 1.1rem;border-radius:4px;border:2px solid var(--blau)}
.btn:hover{background:var(--nacht);border-color:var(--nacht)}
.btn .star{color:var(--loesch)}
.btn.ghost{background:transparent;color:var(--blau)}
.btn.ghost:hover{background:var(--blau);color:#fff}
button.btn{font:inherit;font-weight:700;cursor:pointer}

/* Artikel: Inhaltsverzeichnis links */
.art{display:grid;grid-template-columns:15rem minmax(0,42rem);gap:3rem;padding:2.5rem var(--rand) 3rem}
.toc{font-size:.95rem}
.toc details{position:sticky;top:1.5rem}
.toc summary{font-family:"Bricolage",sans-serif;font-weight:700;cursor:pointer;margin-bottom:.5rem}
.toc ol{list-style:none;margin:0;padding:0 0 0 .9rem;border-left:2px solid var(--rot)}
.toc li{margin:.45rem 0;line-height:1.35}
.toc a{color:var(--nacht);text-decoration:none}
.toc a:hover{color:var(--blau);text-decoration:underline}
.prose h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:800;margin:0 0 1rem;color:var(--blau)}
.prose .lead{font-size:1.22rem;line-height:1.5;margin:0 0 1rem}
.prose h2{font-size:1.6rem;margin:2.6rem 0 .7rem}
.prose h3{font-size:1.18rem;margin:1.6rem 0 .3rem}
.prose p,.prose ul,.prose ol{margin:0 0 1rem}
.prose li{margin:.3rem 0}
.prose.plain{max-width:44rem;padding:2.5rem var(--rand) 3rem}
.note-aff{font-size:.9rem;color:var(--grau);border-left:2px solid var(--rot);padding-left:.8rem}
.stand{font-size:.9rem;color:var(--grau);margin-top:2.5rem}
.more{padding:0 var(--rand) 3rem}
.more h2{font-size:1.5rem}

/* Bausteine */
.merk{background:var(--loesch);padding:1rem 1.2rem;border-radius:4px;margin:1.5rem 0}
.merk p:last-child,.merk ul:last-child{margin-bottom:0}
.picks{display:grid;gap:0;margin:1.2rem 0 1.6rem;border-top:2px solid var(--nacht)}
.pick{display:grid;grid-template-columns:1fr auto;gap:.3rem 1.5rem;align-items:center;padding:1rem 0;border-bottom:1px solid var(--linie)}
.pick h3{margin:0;font-size:1.1rem;grid-column:1}
.pick p{margin:0;grid-column:1;color:var(--grau);font-size:.98rem}
.pick .btn{grid-column:2;grid-row:1/span 2;white-space:nowrap;font-size:.95rem}
.tw{overflow-x:auto;margin:1.2rem 0}
table{border-collapse:collapse;width:100%;min-width:30rem;font-size:.97rem}
th,td{text-align:left;padding:.6rem .8rem .6rem 0;border-bottom:1px solid var(--linie);vertical-align:top}
thead th{border-bottom:2px solid var(--nacht);font-family:"Bricolage",sans-serif}
.todo{background:#fff3a6;padding:0 .25em;border-radius:2px;font-weight:700}

/* Checkliste und Beobachtungsbogen */
.checks{list-style:none;padding:0}
.checks li{border-bottom:1px solid var(--linie);margin:0}
.checks label{display:grid;grid-template-columns:auto 1fr;gap:.8rem;padding:.7rem 0;cursor:pointer}
.checks input{width:1.3rem;height:1.3rem;margin-top:.2rem;accent-color:var(--blau)}
.checks input:checked+span{color:var(--grau);text-decoration:line-through}
.checks small{display:inline-block;width:100%;color:var(--grau)}
.tools{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin:1rem 0}
.bogen fieldset{border:0;border-bottom:1px solid var(--linie);margin:0;padding:.7rem 0;display:grid;grid-template-columns:1fr auto;gap:.4rem 1rem;align-items:center}
.bogen legend{float:left;padding:0;font-weight:700}
.bogen .opt{display:flex;gap:.9rem}
.bogen label{cursor:pointer;white-space:nowrap}
.bogen input{accent-color:var(--blau)}
.ergebnis{background:var(--loesch);padding:1rem 1.2rem;border-radius:4px;margin:1.2rem 0;min-height:3.5rem}

/* Fuß */
.foot{border-top:2px solid var(--nacht);padding:1.5rem var(--rand) 2.5rem;font-size:.95rem}
.foot ul{display:flex;flex-wrap:wrap;gap:.4rem 1.5rem;list-style:none;margin:.8rem 0 0;padding:0}
.foot-aff{margin:0;max-width:44rem}

@media (max-width:820px){
  .art{grid-template-columns:1fr;gap:1.2rem;padding-top:1.5rem}
  .art .toc{order:0}
  .toc details{position:static}
  .idx a{grid-template-columns:5.5rem 1fr}
  .idx img{width:5.5rem;grid-row:1/span 2;align-self:start}
  .idx-d{grid-column:2}
  .hero{grid-template-columns:1fr}
  .hero-b{max-width:20rem}
  .pick{grid-template-columns:1fr}
  .pick .btn{grid-column:1;grid-row:auto;justify-self:start;margin-top:.4rem}
  .bogen fieldset{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{
  .head nav,.toc,.more,.foot,.tools,.note-aff,.btn{display:none!important}
  .art{display:block;padding:0}
  body{font-size:11pt}
}