/* ============================================================
   Werkbüro — Digitale Baudienstleistungen
   Eine Dienstleistung der PB-Bauleitung GmbH, Lachen SZ
   Eigene Identität, bewusst abgesetzt von der PB-Site:
   Blaupausen-Blau statt Logo-Rot, Archivo statt Barlow,
   kühler Papierton. Planraster/1px-Linien bleiben.
   ============================================================ */

:root{
  --paper:#F1F3F5;         /* kühles Planpapier */
  --card:#FFFFFF;
  --ink:#20242A;           /* Graphit */
  --muted:#646A70;         /* Zink, abgedunkelt für WCAG-AA-Kontrast auf Papier-Hintergrund */
  --line:rgba(32,36,42,.16);
  --line-soft:rgba(32,36,42,.08);
  --accent:#1D4ED8;        /* Blaupausen-Blau */
  --accent-dark:#1E40AF;
  --radius:2px;
  --maxw:1180px;
  --font-display:"Archivo",system-ui,sans-serif;
  --font-body:"IBM Plex Sans",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:var(--font-body);
  font-size:16px;line-height:1.65;
  color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--accent-dark);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- Typografie ---------- */
h1,h2,h3{font-family:var(--font-display);line-height:1.08;letter-spacing:.005em}
h1{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:700;text-transform:uppercase}
h2{font-size:clamp(1.7rem,3.5vw,2.4rem);font-weight:700;text-transform:uppercase}
h3{font-size:1.15rem;font-weight:600}
.eyebrow{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent-dark);display:block;margin-bottom:14px;
}
.lead{font-size:1.12rem;color:var(--muted);max-width:62ch}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(241,243,245,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.brand:hover{text-decoration:none}
.brand-logo{height:38px;width:38px;border-radius:var(--radius);display:block;flex-shrink:0}
.brand-text{display:flex;align-items:baseline;gap:10px;white-space:nowrap}
@media (max-width:1360px){.brand-tag{display:none}}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.15rem;text-transform:uppercase;letter-spacing:.03em}
.brand-tag{font-family:var(--font-mono);font-size:.68rem;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.nav-links{display:flex;gap:26px;list-style:none;align-items:center}
.nav-links a{font-size:.92rem;font-weight:500;color:var(--ink);white-space:nowrap}
.nav-links a:hover{color:var(--accent-dark);text-decoration:none}
.nav-links a.is-cta{
  background:var(--ink);color:#fff;padding:9px 16px;border-radius:var(--radius);
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;
}
.nav-links a.is-cta:hover{background:var(--accent)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);
  padding:8px 12px;font-family:var(--font-mono);font-size:.8rem;cursor:pointer;color:var(--ink)}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);
    padding:18px 24px;gap:16px;align-items:flex-start;
  }
  .nav-links.open{display:flex}
  /* Statische Nav auf Unterseiten (Impressum/Datenschutz): kein Toggle, kein Dropdown-Panel */
  .nav-links.nav-static{
    display:flex;position:static;flex-direction:row;background:transparent;
    border-bottom:0;padding:0;gap:16px;align-items:center;
  }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-size:cover;
  background-position:center;
}
.hero-start{
  background-image:
    linear-gradient(90deg,
      rgba(241,243,245,.97) 0%,
      rgba(241,243,245,.93) 48%,
      rgba(241,243,245,.55) 72%,
      rgba(241,243,245,.08) 100%),
    url("../img/site/hero-start.jpg");
  background-position:center 32%;
}
.hero-arch{
  background-image:
    linear-gradient(90deg,
      rgba(241,243,245,.97) 0%,
      rgba(241,243,245,.95) 48%,
      rgba(241,243,245,.72) 72%,
      rgba(241,243,245,.38) 100%),
    url("../img/site/hero-architekten.jpg");
}
.hero-hand{
  background-image:
    linear-gradient(90deg,
      rgba(241,243,245,.97) 0%,
      rgba(241,243,245,.95) 48%,
      rgba(241,243,245,.72) 72%,
      rgba(241,243,245,.42) 100%),
    url("../img/site/hero-handwerker.jpg");
}
@media (max-width:820px){
  .hero-start,.hero-arch,.hero-hand{
    background-image:
      linear-gradient(rgba(241,243,245,.94),rgba(241,243,245,.88)),
      var(--hero-mobil);
  }
  .hero-start{--hero-mobil:url("../img/site/hero-start.jpg")}
  .hero-arch{--hero-mobil:url("../img/site/hero-architekten.jpg")}
  .hero-hand{--hero-mobil:url("../img/site/hero-handwerker.jpg")}
}
.hero-inner{padding:96px 24px 72px}
.hero h1{max-width:16ch;margin:0 0 22px}
.hero .lead{margin-bottom:34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;padding:14px 26px;border-radius:var(--radius);
  font-family:var(--font-display);font-weight:600;font-size:1rem;
  text-transform:uppercase;letter-spacing:.05em;border:1px solid transparent;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}

/* ---------- Plankopf-Leiste (Eckdaten unter dem Hero) ---------- */
.plankopf{
  margin-top:64px;border:1px solid var(--line);background:var(--card);
  display:grid;grid-template-columns:repeat(4,1fr);border-radius:var(--radius);
}
.plankopf div{padding:14px 18px;border-right:1px solid var(--line-soft)}
.plankopf div:last-child{border-right:0}
.plankopf dt{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.plankopf dd{font-family:var(--font-display);font-weight:600;font-size:1rem}
@media (max-width:820px){
  .plankopf{grid-template-columns:repeat(2,1fr)}
  .plankopf div{border-bottom:1px solid var(--line-soft)}
}

/* ---------- Abschnitte ---------- */
.section{padding:88px 0}
.section-head{margin-bottom:44px;max-width:70ch}
.section-head p{color:var(--muted);margin-top:12px}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Problem-Section ---------- */
.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media (max-width:900px){.problem-grid{grid-template-columns:1fr}}
.problem-grid p{margin-bottom:16px}
.problem-grid p:last-child{margin-bottom:0}
.problem-list{list-style:none;border:1px solid var(--line);background:var(--paper);border-radius:var(--radius)}
.problem-list li{
  padding:16px 20px;border-bottom:1px solid var(--line-soft);
  font-size:.95rem;color:var(--ink);display:flex;gap:14px;align-items:baseline;
}
.problem-list li:last-child{border-bottom:0}
.problem-list li::before{
  content:"—";font-family:var(--font-mono);color:var(--accent);flex-shrink:0;
}

/* ---------- Kachel-Grid (Leistungen, Diskretion) ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media (max-width:900px){.grid-3{grid-template-columns:1fr}}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
@media (max-width:1000px){.grid-4{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid-4{grid-template-columns:1fr}}
.tile{background:var(--card);padding:28px 26px}
.tile h3{margin-bottom:10px}
.tile p{font-size:.95rem;color:var(--muted)}
.tile .code{font-family:var(--font-mono);font-size:.7rem;color:var(--accent-dark);
  letter-spacing:.12em;display:block;margin-bottom:12px}
/* Füll-Zelle für unvollständige Kachelreihen – auf Mobile (1 Spalte) überflüssig */
.tile-leer{padding:0}
@media (max-width:900px){.tile-leer{display:none}}

/* ---------- Ablauf-Steps mit CSS-Counter ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);counter-reset:step}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);padding:26px 24px}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:var(--font-mono);color:var(--accent);font-size:.85rem;display:block;margin-bottom:12px;
}
.step h3{margin-bottom:8px;font-size:1.05rem}
.step p{font-size:.92rem;color:var(--muted)}

/* Leistungs-Phasen (Architekten): zwei Reihen à drei Schritte, fortlaufend 01–06 */
.phase{
  display:flex;align-items:center;gap:14px;margin:0 0 14px;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);
}
.phase::after{content:"";flex:1;height:1px;background:var(--line)}
.steps + .phase{margin-top:36px}
.steps.steps-3{grid-template-columns:repeat(3,1fr)}
.steps.steps-weiter{counter-reset:step 3}
@media (max-width:900px){.steps.steps-3{grid-template-columns:1fr}}

/* ---------- Massarbeit-Band: der Leitsatz, bewusst die auffälligste Fläche ---------- */
.massarbeit{
  padding:84px 0;color:#fff;
  background-color:var(--accent);
  background-image:                       /* Planraster wie auf einer Blaupause */
    linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:28px 28px;
  border-bottom:1px solid var(--accent-dark);
}
.massarbeit .eyebrow{color:rgba(255,255,255,.85)}
.massarbeit h2{font-size:clamp(2.2rem,5.4vw,3.6rem);margin-bottom:18px}
.massarbeit-lead{font-size:1.15rem;max-width:60ch;color:rgba(255,255,255,.9)}
.massarbeit-punkte{
  list-style:none;margin-top:40px;
  display:grid;grid-template-columns:repeat(3,1fr);
  border:1px solid rgba(255,255,255,.35);border-radius:var(--radius);
  background:rgba(30,64,175,.45);
}
.massarbeit-punkte li{
  padding:22px 24px;border-right:1px solid rgba(255,255,255,.25);
  color:rgba(255,255,255,.88);font-size:.95rem;
}
.massarbeit-punkte li:last-child{border-right:0}
.massarbeit-punkte b{
  display:block;margin-bottom:6px;color:#fff;
  font-family:var(--font-display);font-weight:700;font-size:1.1rem;
  text-transform:uppercase;letter-spacing:.03em;
}
.massarbeit-schluss{
  margin-top:30px;font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.1rem,2vw,1.35rem);
}
@media (max-width:820px){
  .massarbeit{padding:64px 0}
  .massarbeit-punkte{grid-template-columns:1fr}
  .massarbeit-punkte li{border-right:0;border-bottom:1px solid rgba(255,255,255,.25)}
  .massarbeit-punkte li:last-child{border-bottom:0}
}

/* ---------- Callout ---------- */
.callout{
  border-left:3px solid var(--accent);background:var(--card);
  padding:22px 26px;margin-top:34px;border-radius:var(--radius);
  border-top:1px solid var(--line-soft);border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.callout p{color:var(--muted);font-size:.98rem}
.callout strong{color:var(--ink)}

/* ---------- Zielgruppen-Türen (Startseite) ---------- */
.audience{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
@media (max-width:900px){.audience{grid-template-columns:1fr}}
.audience-card{
  background:var(--card);padding:44px 40px;display:flex;flex-direction:column;
  box-shadow:inset 0 3px 0 var(--accent);
}
.audience-card h3{font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.12;margin-bottom:14px}
.audience-card > p{color:var(--muted);margin-bottom:22px}
.audience-list{list-style:none;margin-bottom:28px}
.audience-list li{
  padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:.95rem;
  display:flex;gap:12px;align-items:baseline;
}
.audience-list li:last-child{border-bottom:0}
.audience-list li::before{content:"—";font-family:var(--font-mono);color:var(--accent);flex-shrink:0}
.audience-card .btn{margin-top:auto;align-self:flex-start}

/* ---------- Preis-Karte ----------
   Seit 24.09.2026 auf keiner Seite mehr im Einsatz (Preise kommen ggf. später wieder).
   Markup-Muster: <div class="price-card"><div class="price">…<small>…</small></div><div><p>…</p></div></div> */
.price-card{
  border:1px solid var(--line);background:var(--card);border-radius:var(--radius);
  padding:34px 36px;display:flex;gap:40px;align-items:center;flex-wrap:wrap;
}
.price-card .price{
  font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,4vw,3rem);
  line-height:1;white-space:nowrap;
}
.price-card .price small{
  display:block;font-family:var(--font-mono);font-weight:400;font-size:.72rem;
  letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:8px;
}
.price-card div:last-child{flex:1;min-width:260px}
.price-card p{color:var(--muted);font-size:.95rem}

/* ---------- Abstandshalter ---------- */
.sp-32{height:32px}

/* ---------- Über uns ---------- */
.about-text p{margin-bottom:16px}
.about-text p:last-child{margin-bottom:0}

/* ---------- Honorar ---------- */
.honorar-note{
  margin-top:34px;border:1px solid var(--line);background:var(--card);border-radius:var(--radius);
  padding:26px 28px;
}
.honorar-note p{color:var(--muted);font-size:.98rem;margin-bottom:12px}
.honorar-note p:last-child{margin-bottom:0}
.honorar-note strong{color:var(--ink)}

/* ---------- Kontakt-Karten ---------- */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px}
@media (max-width:820px){.contact{grid-template-columns:1fr}}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.contact-card p{margin-bottom:8px}
.contact-card .big{font-family:var(--font-display);font-weight:600;font-size:1.3rem}
.contact-card a{color:var(--ink)}
.contact-card a:hover{color:var(--accent-dark)}
.contact-card ul{list-style:none}
.contact-card ul li{
  padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:.95rem;color:var(--muted);
  display:flex;gap:12px;align-items:baseline;
}
.contact-card ul li:last-child{border-bottom:0}
.contact-card ul li::before{content:"·";color:var(--accent);font-weight:700;flex-shrink:0}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:36px 0;background:var(--card)}
.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:.85rem;color:var(--muted)}
.footer-inner a{color:var(--muted)}
.footer-inner nav{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- Kleinkram ---------- */
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:200;
}
.skip-link:focus{left:12px;top:12px}
.mt-40{margin-top:40px}
strong{font-weight:600}