/* ============================================================
   RJ BAU – Bauunternehmung Jauca, Brig-Glis
   Design: "Walliser Bautafel" – Barlow Condensed / Barlow,
   Walliser Rot #C0181F, Kalkweiss, Schiefer.
   ============================================================ */

:root{
  --ink:#22262b;
  --ink-soft:#4b525a;
  --kalk:#f4f5f2;
  --weiss:#ffffff;
  --beton:#e9ebe5;
  --linie:#d7dad1;
  --rot:#cb9a28;      /* Logo-Gold */
  --rot-tief:#8a681b;  /* Logo-Gold dunkel (Text/Hover) */
  --nacht:#1b1e22;
  --nacht-soft:#2a2f35;
  --radius:6px;
  --shadow:0 10px 30px rgba(27,30,34,.10);
  --font-display:"Barlow Condensed",Arial Narrow,sans-serif;
  --font-body:"Barlow",Helvetica,Arial,sans-serif;
  --wrap:1160px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--kalk);
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--rot-tief);text-decoration:none}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--rot);outline-offset:2px;border-radius:2px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}

/* ---------- Typografie ---------- */
h1,h2,h3,.display{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.05;
  letter-spacing:.01em;
  text-transform:uppercase;
  color:var(--ink);
  margin:0 0 .4em;
}
h1{font-size:clamp(2.4rem,6vw,4.2rem)}
h2{font-size:clamp(1.9rem,4vw,2.8rem)}
h3{font-size:clamp(1.3rem,2.5vw,1.6rem);letter-spacing:.02em}
h4{font-family:var(--font-body);font-weight:700;font-size:1.05rem;margin:0 0 .35em}
p{margin:0 0 1em}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:62ch}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--font-display);font-weight:600;
  text-transform:uppercase;letter-spacing:.14em;
  font-size:.95rem;color:var(--rot-tief);margin-bottom:.9em;
}
.eyebrow::before{content:"";width:26px;height:3px;background:var(--rot)}

.section{padding:clamp(56px,8vw,96px) 0}
.section--beton{background:var(--beton)}
.section--weiss{background:var(--weiss)}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px)}

/* ---------- Topbar ---------- */
.topbar{background:var(--nacht);color:#cfd3d8;font-size:.86rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:38px}
.topbar a{color:#fff;font-weight:600}
.topbar span b{color:#fff;font-weight:600}
@media(max-width:640px){.topbar .topbar-left{display:none}.topbar .wrap{justify-content:center}}

/* ---------- Header / Navigation ---------- */
.header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--linie);
}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px}
.logo{display:flex;align-items:center;gap:10px}
.logo img{height:52px;width:auto}
.nav{display:flex;align-items:center;gap:6px}
.nav > a, .nav .navdrop > a{
  display:block;padding:10px 14px;font-weight:600;color:var(--ink);
  font-size:.98rem;border-radius:var(--radius);
}
.nav > a:hover,.nav .navdrop > a:hover{background:var(--beton);color:var(--ink)}
.nav > a[aria-current="page"],.nav .navdrop > a[aria-current="page"]{color:var(--rot)}
.navdrop{position:relative}
.navdrop > a::after{content:"▾";font-size:.7em;margin-left:.45em;color:var(--ink-soft)}
.dropdown{
  position:absolute;top:100%;left:0;min-width:250px;
  background:var(--weiss);border:1px solid var(--linie);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:8px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.navdrop:hover .dropdown,.navdrop:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;padding:10px 12px;border-radius:4px;color:var(--ink);font-weight:500}
.dropdown a:hover{background:var(--kalk);color:var(--rot-tief)}
.dropdown a small{display:block;color:var(--ink-soft);font-weight:400;font-size:.82rem}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55em;
  padding:13px 24px;border-radius:var(--radius);
  font-family:var(--font-display);font-weight:600;font-size:1.08rem;
  text-transform:uppercase;letter-spacing:.05em;line-height:1;
  border:2px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s;
}
.btn--rot{background:var(--rot);color:var(--nacht)}
.btn--rot:hover{background:var(--ink);color:#fff}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--weiss{background:#fff;color:var(--ink)}
.btn--weiss:hover{background:var(--beton);color:var(--ink)}
.header .btn{padding:11px 20px}

.navtoggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.navtoggle span{display:block;width:26px;height:3px;background:var(--ink);margin:5px 0;transition:transform .2s,opacity .2s}

@media(max-width:980px){
  .navtoggle{display:block}
  .header-cta{display:none}
  .nav{
    position:fixed;inset:0;top:0;padding:110px 28px 40px;
    background:var(--kalk);flex-direction:column;align-items:stretch;gap:2px;
    transform:translateX(100%);transition:transform .25s ease;overflow-y:auto;z-index:55;
  }
  .nav.open{transform:translateX(0)}
  .nav > a,.nav .navdrop > a{font-family:var(--font-display);font-size:1.5rem;text-transform:uppercase;padding:14px 6px;border-bottom:1px solid var(--linie)}
  .navdrop > a::after{display:none}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;background:transparent;padding:0 0 8px 14px}
  .dropdown a{padding:8px 6px}
  body.nav-open{overflow:hidden}
  .navtoggle{position:relative;z-index:56}
  body.nav-open .navtoggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  body.nav-open .navtoggle span:nth-child(2){opacity:0}
  body.nav-open .navtoggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--kalk);overflow:hidden}
.hero .wrap{position:relative;z-index:2;padding-top:clamp(56px,9vw,110px);padding-bottom:clamp(120px,16vw,190px)}
.hero h1 .rot{color:var(--rot-tief)}
.hero .lead{margin:18px 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-tel{font-family:var(--font-display);font-weight:600;font-size:1.35rem;color:var(--ink);letter-spacing:.03em}
.hero-tel small{display:block;font-family:var(--font-body);font-weight:500;font-size:.8rem;color:var(--ink-soft);letter-spacing:.05em;text-transform:uppercase}
.ridge{position:absolute;left:0;right:0;bottom:-2px;width:100%;height:auto;z-index:1;color:var(--nacht)}
.ridge--hell{color:var(--beton)}

/* Trustleiste unter dem Hero */
.trust{background:var(--nacht);color:#fff;position:relative;z-index:2}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust-item{padding:22px 18px;border-left:1px solid rgba(255,255,255,.12)}
.trust-item:first-child{border-left:0}
.trust-item b{display:block;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:1.05rem;font-weight:600}
.trust-item span{color:#aeb4bb;font-size:.88rem}
@media(max-width:860px){.trust .wrap{grid-template-columns:1fr 1fr}.trust-item:nth-child(odd){border-left:0}.trust-item{border-top:1px solid rgba(255,255,255,.12)}.trust-item:nth-child(-n+2){border-top:0}}
@media(max-width:480px){.trust .wrap{grid-template-columns:1fr}.trust-item{border-left:0}.trust-item:nth-child(2){border-top:1px solid rgba(255,255,255,.12)}}

/* ---------- Leistungs-Karten ---------- */
.grid{display:grid;gap:22px}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.grid--4{grid-template-columns:1fr 1fr}.grid--3{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.grid--4,.grid--3,.grid--2{grid-template-columns:1fr}}

.card{
  background:var(--weiss);border:1px solid var(--linie);border-radius:var(--radius);
  padding:28px 26px;display:flex;flex-direction:column;gap:12px;position:relative;
  border-top:4px solid var(--rot);transition:transform .15s ease,box-shadow .15s ease;
}
a.card{color:var(--ink)}
a.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);color:var(--ink)}
.card .icon{width:52px;height:52px;color:var(--rot)}
.card h3{margin:0}
.card p{color:var(--ink-soft);margin:0;font-size:.98rem}
.card .mehr{margin-top:auto;font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--rot-tief);font-size:1rem}
a.card:hover .mehr{color:var(--ink)}

/* ---------- Checkliste ---------- */
.checks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 28px}
@media(max-width:700px){.checks{grid-template-columns:1fr}}
.checks li{position:relative;padding-left:32px}
.checks li::before{
  content:"";position:absolute;left:0;top:5px;width:19px;height:19px;
  background:var(--rot);border-radius:3px;
}
.checks li::after{
  content:"";position:absolute;left:4px;top:9px;width:11px;height:6px;
  border-left:2.5px solid #1b1e22;border-bottom:2.5px solid #1b1e22;transform:rotate(-45deg);
}
.checks b{font-weight:600}

/* ---------- Ablauf / Schritte ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
@media(max-width:980px){.steps{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.steps{grid-template-columns:1fr}}
.step{background:var(--weiss);border:1px solid var(--linie);border-radius:var(--radius);padding:26px 24px;counter-increment:step;position:relative}
.step::before{
  content:counter(step,decimal-leading-zero);
  font-family:var(--font-display);font-weight:700;font-size:2.6rem;line-height:1;
  color:var(--rot);display:block;margin-bottom:10px;
}
.step h3{font-size:1.25rem}
.step p{color:var(--ink-soft);font-size:.96rem;margin:0}

/* ---------- Referenzen ---------- */
.ref{background:var(--weiss);border:1px solid var(--linie);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.ref img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--beton)}
.ref-body{padding:20px 22px 24px}
.ref-body .ort{font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.1em;font-size:.85rem;color:var(--rot-tief)}
.ref-body h3{font-size:1.3rem;margin:.2em 0 .3em}
.ref-body p{color:var(--ink-soft);font-size:.95rem;margin:0}

/* ---------- Einsatzgebiet ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.chip{
  background:var(--weiss);border:1px solid var(--linie);border-radius:999px;
  padding:8px 16px;font-weight:600;font-size:.92rem;color:var(--ink);
}
.chip--rot{background:var(--rot);border-color:var(--rot);color:var(--nacht)}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq details{background:var(--weiss);border:1px solid var(--linie);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 52px 18px 22px;position:relative;
  font-weight:600;font-size:1.05rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-family:var(--font-display);font-size:1.7rem;font-weight:600;color:var(--rot);transition:transform .15s;
}
.faq details[open] summary::after{content:"–"}
.faq .faq-a{padding:0 22px 20px;color:var(--ink-soft)}
.faq .faq-a p:last-child{margin-bottom:0}

/* ---------- CTA-Band ---------- */
.ctaband{background:var(--nacht);color:#fff;position:relative;overflow:hidden}
.ctaband .wrap{position:relative;z-index:2;padding-top:clamp(56px,8vw,88px);padding-bottom:clamp(56px,8vw,88px);display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between}
.ctaband h2{color:#fff;max-width:560px;margin:0}
.ctaband p{color:#aeb4bb;max-width:520px;margin:.6em 0 0}
.ctaband-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.ctaband .tel{font-family:var(--font-display);font-weight:600;font-size:1.5rem;color:#fff;letter-spacing:.03em}
.ctaband .tel:hover{color:var(--beton)}
.ctaband .ridge-bg{position:absolute;right:-40px;bottom:-8px;width:520px;opacity:.08;color:#fff;z-index:1}

/* ---------- Footer ---------- */
.footer{background:var(--nacht);color:#aeb4bb;border-top:1px solid var(--nacht-soft);font-size:.95rem}
.footer .wrap{padding:56px 20px 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:40px}
@media(max-width:980px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr}}
.footer h4{color:#fff;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;font-size:1.05rem;font-weight:600;margin-bottom:14px}
.footer a{color:#d7dad1}
.footer a:hover{color:#fff}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer address{font-style:normal;line-height:1.8}
.footer-logo img{height:64px;margin-bottom:14px}
.footer-bottom{border-top:1px solid var(--nacht-soft);padding-top:22px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:.85rem}
.footer-bottom nav{display:flex;gap:18px}
.social{display:flex;gap:10px;margin-top:14px}
.social a{display:inline-flex;width:38px;height:38px;border:1px solid var(--nacht-soft);border-radius:6px;align-items:center;justify-content:center;color:#d7dad1}
.social a:hover{background:var(--rot);border-color:var(--rot);color:var(--nacht)}
.social svg{width:18px;height:18px}

/* ---------- Seitenkopf (Unterseiten) ---------- */
.pagehead{background:var(--weiss);border-bottom:1px solid var(--linie)}
.pagehead .wrap{padding-top:clamp(40px,6vw,64px);padding-bottom:clamp(36px,5vw,56px)}
.crumbs{font-size:.85rem;color:var(--ink-soft);margin-bottom:18px}
.crumbs a{color:var(--ink-soft)}
.crumbs a:hover{color:var(--rot-tief)}
.crumbs span{color:var(--ink);font-weight:600}
.pagehead .lead{margin-top:10px}

/* ---------- Zweispalter ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,64px);align-items:start}
@media(max-width:900px){.split{grid-template-columns:1fr}}
.infobox{background:var(--weiss);border:1px solid var(--linie);border-left:4px solid var(--rot);border-radius:var(--radius);padding:26px 26px 22px}
.infobox h3{font-size:1.25rem}
.infobox ul{margin:0;padding-left:20px;color:var(--ink-soft)}
.infobox li{margin-bottom:6px}

/* ---------- Artikel / Ratgeber ---------- */
.prose{max-width:760px}
.prose h2{font-size:clamp(1.6rem,3vw,2.1rem);margin-top:1.6em}
.prose h3{margin-top:1.4em}
.prose ul{padding-left:22px}
.prose li{margin-bottom:.4em}
.prose table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--linie);padding:10px 12px;text-align:left;background:var(--weiss)}
.prose th{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-weight:600;background:var(--beton)}
.prose .hinweis{background:var(--beton);border-left:4px solid var(--rot);padding:16px 18px;border-radius:4px;font-size:.95rem;color:var(--ink-soft)}
.artmeta{font-size:.85rem;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em;font-family:var(--font-display);font-weight:600}

/* ---------- Formular ---------- */
.form{display:grid;gap:16px;background:var(--weiss);border:1px solid var(--linie);border-radius:var(--radius);padding:30px 28px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
label{font-weight:600;font-size:.92rem;display:grid;gap:6px}
input,select,textarea{
  font:inherit;padding:12px 14px;border:1px solid var(--linie);border-radius:4px;
  background:var(--kalk);color:var(--ink);width:100%;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--rot);outline-offset:0;border-color:var(--rot)}
.form small{color:var(--ink-soft);font-weight:400}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}

/* ---------- Mobile Anruf-Leiste ---------- */
.callbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:var(--nacht);border-top:1px solid var(--nacht-soft);
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  grid-template-columns:1fr 1fr;gap:10px;
}
.callbar a{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 10px;border-radius:6px;font-family:var(--font-display);font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:1.05rem;line-height:1}
.callbar .cb-tel{background:#fff;color:var(--ink)}
.callbar .cb-off{background:var(--rot);color:var(--nacht)}
@media(max-width:860px){.callbar{display:grid}body{padding-bottom:74px}}

/* ---------- Diverses ---------- */
.center{text-align:center}
.mt-0{margin-top:0}.mt-24{margin-top:24px}.mt-40{margin-top:40px}
.hidden{display:none}
.skip{
  position:absolute;left:-9999px;top:0;background:var(--rot);color:#fff;
  padding:10px 16px;z-index:100;border-radius:0 0 6px 0;font-weight:600;
}
.skip:focus{left:0;color:#fff}
::selection{background:var(--rot);color:var(--nacht)}

/* ---------- Google-Bewertungen ---------- */
.gbadge{display:inline-flex;align-items:center;gap:14px;background:var(--weiss);border:1px solid var(--linie);border-radius:var(--radius);padding:16px 22px;box-shadow:var(--shadow)}
.gbadge svg{width:34px;height:34px;flex:none}
.gbadge b{display:block;font-size:1.02rem}
.gbadge span{color:var(--ink-soft);font-size:.88rem}