/* =========================================================================
   Felsverstand — Stylesheet
   Design-Tokens aus dem Corporate-Handbuch (grundlagen/04).
   Mobile-first, responsiv. Schrift: System-Stack (DSGVO-sicher, kein CDN);
   Inter/Source Serif später self-hosten (siehe Website-Konzept §3.2).
   ========================================================================= */

:root{
  /* Farben */
  --fels-graphit:#2F3437;
  --gipfelbuch-papier:#F7F3EA;
  --sandstein-warm:#C7A27A;
  --sonnenocker:#F0A364;
  --waldgruen:#2F4A3A;
  --ringrost:#A66543;
  --elbnebel:#82969D;
  --tieffels:#4E3721;
  --weiss:#FFFFFF;

  --text:var(--fels-graphit);
  --text-soft:#5b5650;
  --bg:var(--gipfelbuch-papier);
  --surface:#FFFFFF;
  --line:rgba(47,52,55,.12);

  /* Typo */
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;

  /* Raster & Abstände (8-px-System) */
  --container:1200px;
  --measure:42rem;       /* ~672px Textspalte */
  --gap:clamp(1rem,3vw,2rem);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(47,52,55,.05),0 12px 30px -16px rgba(47,52,55,.25);
  --shadow-sm:0 1px 2px rgba(47,52,55,.06),0 6px 16px -12px rgba(47,52,55,.2);
}

/* ---------- Reset / Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{
  margin:0;font-family:var(--sans);color:var(--text);background:var(--bg);
  line-height:1.65;font-size:clamp(1rem,.96rem + .25vw,1.125rem);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{line-height:1.15;font-weight:700;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2rem,1.3rem + 3.2vw,3.5rem)}
h2{font-size:clamp(1.6rem,1.2rem + 1.8vw,2.4rem)}
h3{font-size:clamp(1.15rem,1.05rem + .5vw,1.35rem)}
p{margin:0 0 1rem}
:focus-visible{outline:3px solid var(--waldgruen);outline-offset:2px;border-radius:4px}

/* ---------- Layout ---------- */
.container{width:min(100% - 2rem,var(--container));margin-inline:auto}
.section{padding:clamp(3rem,8vw,6rem) 0}
.section--paper{background:var(--bg)}
.section--surface{background:linear-gradient(180deg,#fffdf8, #fbf7ee)}
.section--dark{background:var(--fels-graphit);color:#efe9dd}
.measure{max-width:var(--measure)}
.center{text-align:center;margin-inline:auto}
.eyebrow{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ringrost);margin:0 0 .8rem}
.lead{font-size:clamp(1.1rem,1rem + .6vw,1.3rem);color:var(--text-soft)}
.section--dark .eyebrow{color:var(--sonnenocker)}
.section--dark .lead{color:#cfc8ba}

/* ---------- Buttons ---------- */
.btn{
  --b:var(--fels-graphit);
  display:inline-flex;align-items:center;gap:.5rem;justify-content:center;
  padding:.85rem 1.5rem;border-radius:999px;font-weight:600;font-size:1rem;
  border:2px solid var(--b);background:var(--b);color:#fff;cursor:pointer;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  text-align:center;
}
.btn:hover{box-shadow:0 10px 24px -12px rgba(47,52,55,.5);transform:translateY(-1px)}
.btn--green{--b:var(--waldgruen)}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--fels-graphit)}
.btn--ghost:hover{background:var(--fels-graphit);color:#fff}
.btn--accent{--b:var(--ringrost)}
.section--dark .btn--ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.section--dark .btn--ghost:hover{background:#fff;color:var(--fels-graphit)}
.btn--lg{padding:1rem 1.75rem;font-size:1.06rem}

/* ---------- Header / Nav ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(247,243,234,.92);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.6rem 0;min-height:64px}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700}
.brand img{width:40px;height:40px;border-radius:8px}
.brand .wordmark{font-size:1.05rem;letter-spacing:.18em;text-transform:uppercase;color:var(--fels-graphit)}
.nav-links{display:flex;align-items:center;gap:1.4rem;list-style:none;margin:0;padding:0}
.nav-links a{font-size:.96rem;font-weight:500;color:var(--text);padding:.25rem 0;border-bottom:2px solid transparent}
.nav-links a:hover{border-color:var(--sandstein-warm)}
.nav-cta{display:flex;align-items:center;gap:.75rem}
.nav-toggle{display:none;border:0;background:transparent;cursor:pointer;padding:.5rem;color:var(--fels-graphit)}
.nav-toggle svg{width:28px;height:28px}

@media (max-width:900px){
  .nav-links{
    position:fixed;inset:64px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;
    background:var(--bg);border-bottom:1px solid var(--line);padding:.5rem 1rem 1rem;
    transform:translateY(-130%);transition:transform .25s ease;box-shadow:var(--shadow)
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links li{width:100%}
  .nav-links a{display:block;width:100%;padding:.85rem 0;border-bottom:1px solid var(--line)}
  .nav-toggle{display:inline-flex}
  .nav-cta .btn{display:none}
}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:clamp(560px,86vh,820px);display:flex;align-items:flex-end;color:#fff;isolation:isolate}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(31,30,28,.25) 0%,rgba(31,30,28,.15) 35%,rgba(31,30,28,.78) 100%)}
.hero__inner{padding-bottom:clamp(2.5rem,7vw,5rem);padding-top:6rem;max-width:46rem}
.hero h1{color:#fff;text-shadow:0 2px 18px rgba(0,0,0,.35)}
.hero .claim{font-family:var(--serif);font-style:normal}
.hero__sub{font-size:clamp(1.05rem,1rem + .5vw,1.3rem);color:#f3eee4;max-width:34rem;text-shadow:0 1px 10px rgba(0,0,0,.4)}
.hero__cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}

/* ---------- Generic grids ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.split{display:grid;gap:clamp(1.5rem,5vw,3.5rem);align-items:center}
@media (min-width:860px){.split{grid-template-columns:1fr 1fr}.split--media-first .media{order:-1}}
.media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#efe9dd}
.media img{display:block;width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/10}
.media--tall{aspect-ratio:4/5}

/* ---------- Trust cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;box-shadow:var(--shadow-sm)}
.trust .card{border-top:3px solid var(--sandstein-warm)}
.trust h3{margin-bottom:.3rem}
.trust p{margin:0;color:var(--text-soft);font-size:.98rem}

/* ---------- Orientation chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.2rem}
.chip{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem 1rem;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-weight:500;font-size:.95rem;box-shadow:var(--shadow-sm)}
.chip:hover{border-color:var(--sandstein-warm);background:#fffdf8}
.chip::before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:var(--sonnenocker)}

/* ---------- Angebote ---------- */
.angebote{display:grid;gap:var(--gap);grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.angebot{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);transition:box-shadow .2s,transform .2s}
.angebot:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.angebot--usp{border:1px solid var(--sandstein-warm);box-shadow:0 0 0 1px var(--sandstein-warm),var(--shadow)}
.angebot .tag{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ringrost)}
.angebot h3{margin:.4rem 0 .6rem}
.angebot dl{margin:0 0 1rem;display:grid;grid-template-columns:auto 1fr;gap:.25rem .7rem;font-size:.92rem}
.angebot dt{color:var(--text-soft);font-weight:600}
.angebot dd{margin:0}
.angebot .preis{margin-top:auto;font-size:.9rem;color:var(--text-soft);padding-top:.6rem;border-top:1px dashed var(--line)}
.angebot .btn{margin-top:1rem;width:100%}

/* ---------- Hinweisbox ---------- */
.hinweis{background:#fbf6ec;border:1px solid var(--line);border-left:5px solid var(--ringrost);
  border-radius:var(--radius-sm);padding:1.25rem 1.5rem}
.hinweis h3{margin-top:0}
.hinweis ul{margin:.5rem 0 0;padding-left:1.1rem}
.hinweis li{margin:.35rem 0}

/* ---------- FAQ ---------- */
.faq{max-width:var(--measure)}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:.75rem;overflow:hidden}
.faq summary{cursor:pointer;padding:1rem 1.25rem;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--ringrost);transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq .answer{padding:0 1.25rem 1.1rem;color:var(--text-soft)}

/* ---------- Brand band ---------- */
.brandband{text-align:center;padding:clamp(2.5rem,7vw,4.5rem) 0;background:linear-gradient(180deg,#fbf7ee,#f3ecdd)}
.brandband img{width:clamp(150px,28vw,220px);height:auto;margin:0 auto 1rem;border-radius:18px}
.brandband .claim{font-family:var(--serif);font-size:clamp(1.2rem,1rem + 1.2vw,1.7rem);color:var(--fels-graphit)}

/* ---------- Form ---------- */
.form{display:grid;gap:1rem;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:clamp(1.25rem,4vw,2rem);box-shadow:var(--shadow-sm)}
.form .row{display:grid;gap:1rem}
@media(min-width:640px){.form .row--2{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:.35rem}
.field label{font-weight:600;font-size:.92rem}
.field .req{color:var(--ringrost)}
.field input,.field select,.field textarea{
  font:inherit;color:var(--text);padding:.7rem .85rem;border:1px solid var(--line);
  border-radius:10px;background:#fffdf9;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--waldgruen);outline:none;box-shadow:0 0 0 3px rgba(47,74,58,.15)}
.field textarea{min-height:120px;resize:vertical}
.consent{display:flex;gap:.6rem;align-items:flex-start;font-size:.9rem;color:var(--text-soft)}
.consent input{margin-top:.25rem}
.form .hint{font-size:.85rem;color:var(--text-soft)}
.contact-aside ul{list-style:none;margin:0;padding:0}
.contact-aside li{margin:.4rem 0}

/* ---------- Footer ---------- */
.footer{background:var(--fels-graphit);color:#d8d2c6}
.footer a{color:#d8d2c6}
.footer a:hover{color:#fff}
.footer__grid{display:grid;gap:2rem;padding:clamp(2.5rem,6vw,4rem) 0 2rem;grid-template-columns:1fr}
@media(min-width:760px){.footer__grid{grid-template-columns:1.4fr 1fr 1fr}}
.footer .wordmark{font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#fff}
.footer-logo{display:inline-block;width:clamp(140px,34vw,168px);height:auto;background:var(--gipfelbuch-papier);padding:.7rem .9rem;border-radius:14px;margin-bottom:.6rem;box-shadow:0 8px 22px -14px rgba(0,0,0,.5)}
.footer .claim{font-family:var(--serif);color:#efe7d8;margin:.5rem 0 0}
.footer h4{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin:0 0 .8rem}
.footer ul{list-style:none;margin:0;padding:0}
.footer li{margin:.45rem 0}
.footer__bar{border-top:1px solid rgba(255,255,255,.12);padding:1.1rem 0;font-size:.85rem;
  display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;justify-content:space-between;color:#b7b0a4}

/* ---------- Utilities ---------- */
.mt-0{margin-top:0}
.stack>*+*{margin-top:1rem}
.note{font-size:.85rem;color:var(--text-soft)}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:#fff;color:var(--fels-graphit);padding:.6rem 1rem;border-radius:0 0 8px 0;z-index:100}
.skip:focus{left:0}

/* ---------- Quote band ---------- */
.quoteband{position:relative;min-height:clamp(240px,40vh,420px);display:flex;align-items:center;color:#fff;isolation:isolate;text-align:center}
.quoteband img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.quoteband::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(31,30,28,.42),rgba(31,30,28,.58))}
.quoteband__text{font-family:var(--serif);font-size:clamp(1.5rem,1.2rem + 2.2vw,2.6rem);margin:0 auto;max-width:22ch;text-shadow:0 2px 16px rgba(0,0,0,.45)}

/* ---------- Legal pages ---------- */
.legal h2{margin-top:2rem}
.legal h1{margin-bottom:.5rem}
.banner{background:#fbf6ec;border:1px solid var(--line);border-left:5px solid var(--sonnenocker);
  border-radius:var(--radius-sm);padding:1rem 1.25rem;margin:0 0 2rem}

/* ---------- Subpages: Angebote-Detail / Artikel ---------- */
.angebot h3 a{color:inherit;text-decoration:none;border-bottom:2px solid transparent}
.angebot h3 a:hover{color:var(--ringrost);border-color:var(--sandstein-warm)}
.detail-dl{display:grid;grid-template-columns:auto 1fr;gap:.45rem 1.2rem;margin:0}
.detail-dl dt{font-weight:600;color:var(--text-soft)}
.detail-dl dd{margin:0}
.article p{font-size:1.06rem}
.article h1{margin-bottom:.6rem}
.article h2{margin-top:1.8rem}

/* ---------- Formular-Validierung (inline) ---------- */
.form-status{padding:.85rem 1.1rem;border-radius:10px;font-size:.96rem;font-weight:500}
.form-status[hidden]{display:none}
.form-status--error{background:#fdecea;border:1px solid #f3c2bc;color:#9c271b}
.form-status--info{background:#fbf6ec;border:1px solid var(--line);color:var(--text-soft)}
.form-status--success{background:#eaf3ec;border:1px solid #bfe0c6;color:#23543a}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:#c0392b;box-shadow:0 0 0 3px rgba(192,57,43,.14)}
.field-error{color:#9c271b;font-size:.85rem;font-weight:500;margin:.15rem 0 0}
.consent.has-error{color:#9c271b}
.consent.has-error input{outline:2px solid #c0392b;outline-offset:2px}