/* ===================================================================
   DEIN BAUBERATER — Maurer Bauberater & Holzbau
   Design-Token-System
   =================================================================== */

:root{
  /* Farben */
  --ink:        #1D231E;   /* Nachtholz — dunkler Text / dunkle Flächen */
  --ink-soft:   #333B32;
  --paper:      #F1ECE1;   /* Kalkbirke — heller Grund */
  --paper-dim:  #E7DFCC;   /* Karteikarten-Ton */
  --white:      #FBF9F4;
  --timber:     #A9713C;   /* Eiche — Primärakzent */
  --timber-dark:#7E5228;
  --moss:       #4B5D45;   /* Waldviertler Fichtengrün */
  --stone:      #8A8579;   /* Granit — sekundärer Text / Linien */
  --stone-line: #C9C1AE;

  /* Typografie */
  --f-display: "Big Shoulders Display", sans-serif;
  --f-body:    "IBM Plex Sans", sans-serif;
  --f-mono:    "IBM Plex Mono", monospace;

  --container: 1180px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--f-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.01ms !important; transition-duration:0.01ms !important; }
}

img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
:focus-visible{ outline:2px solid var(--timber); outline-offset:3px; }

.wrap{ max-width:var(--container); margin:0 auto; padding:0 28px; }

h1,h2,h3,h4{
  font-family:var(--f-display);
  font-weight:700;
  line-height:0.98;
  margin:0;
  letter-spacing:0.2px;
  text-transform:none;
}

.eyebrow{
  font-family:var(--f-mono);
  font-size:0.78rem;
  letter-spacing:0.18em;
  text-transform:uppercase;
  color:var(--timber-dark);
  display:inline-flex;
  align-items:center;
  gap:10px;
}
.eyebrow::before{
  content:"";
  width:22px; height:1px;
  background:var(--timber-dark);
  display:inline-block;
}

/* ---------- Kopfzeile ---------- */
.site-header{
  position:sticky; top:0; z-index:40;
  background:rgba(241,236,225,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--stone-line);
}
.site-header .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:76px;
}
.brand{
  display:flex; flex-direction:column; line-height:1;
  font-family:var(--f-display);
}
.brand-name{ font-size:1.35rem; font-weight:700; letter-spacing:0.5px; }
.brand-sub{
  font-family:var(--f-mono); font-size:0.62rem;
  letter-spacing:0.2em; text-transform:uppercase; color:var(--stone);
  margin-top:2px;
}
.brand-mark{ color:var(--timber); }

.main-nav ul{
  list-style:none; display:flex; gap:34px; margin:0; padding:0;
  font-family:var(--f-mono); font-size:0.82rem; letter-spacing:0.04em;
}
.main-nav a{
  position:relative; padding:6px 0;
}
.main-nav a::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background:var(--timber); transform:scaleX(0); transform-origin:left;
  transition:transform 0.2s ease;
}
.main-nav a:hover::after, .main-nav a:focus-visible::after{ transform:scaleX(1); }

.nav-cta{
  font-family:var(--f-mono); font-size:0.78rem; letter-spacing:0.05em;
  border:1px solid var(--ink); padding:9px 16px;
  transition:background 0.15s ease, color 0.15s ease;
}
.nav-cta:hover{ background:var(--ink); color:var(--paper); }

.nav-toggle{ display:none; background:none; border:0; cursor:pointer; padding:8px; }
.nav-toggle span{ display:block; width:24px; height:2px; background:var(--ink); margin:5px 0; }

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:88px 0 70px;
  overflow:hidden;
  border-bottom:1px solid var(--stone-line);
}
.hero .wrap{
  display:grid; grid-template-columns:1.1fr 0.9fr; gap:48px; align-items:center;
}
.hero h1{
  font-size:clamp(2.6rem, 5.4vw, 4.6rem);
  margin:18px 0 22px;
}
.hero h1 em{
  font-style:normal; color:var(--timber);
}
.hero p.lead{
  font-size:1.08rem; color:var(--ink-soft); max-width:46ch; margin-bottom:32px;
}
.hero-actions{ display:flex; gap:16px; flex-wrap:wrap; }

.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-mono); font-size:0.85rem; letter-spacing:0.03em;
  padding:14px 22px; border:1px solid var(--ink);
  transition:background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.btn-primary{ background:var(--ink); color:var(--paper); }
.btn-primary:hover{ background:var(--timber-dark); border-color:var(--timber-dark); transform:translateY(-1px); }
.btn-ghost:hover{ background:var(--ink); color:var(--paper); }

.hero-figure{ position:relative; }
.hero-figure svg{ width:100%; height:auto; }

/* Maßlinie / Dimension-Line Divider */
.dimline{
  position:relative;
  height:34px;
  background-image:repeating-linear-gradient(
    to right, var(--stone-line) 0 1px, transparent 1px 28px
  );
  background-position:left 4px;
  background-repeat:repeat-x;
  background-size:100% 1px;
  border-top:1px solid var(--stone-line);
  border-bottom:1px solid var(--stone-line);
}
.dimline::before,.dimline::after{
  content:""; position:absolute; top:0; bottom:0; width:1px; background:var(--ink);
}
.dimline::before{ left:0; }
.dimline::after{ right:0; }
.dimline-label{
  position:absolute; left:50%; top:50%; transform:translate(-50%,-50%);
  background:var(--paper); padding:0 14px;
  font-family:var(--f-mono); font-size:0.72rem; letter-spacing:0.12em;
  color:var(--stone); text-transform:uppercase; white-space:nowrap;
}

/* ---------- Sections ---------- */
section{ padding:96px 0; }
.section-head{ max-width:64ch; margin-bottom:56px; }
.section-head h2{ font-size:clamp(2rem, 3.6vw, 2.9rem); margin-top:16px; }
.section-head p{ color:var(--ink-soft); margin-top:16px; font-size:1.03rem; }

.alt{ background:var(--white); border-top:1px solid var(--stone-line); border-bottom:1px solid var(--stone-line); }
.dark{ background:var(--ink); color:var(--paper); }
.dark .eyebrow{ color:var(--timber); }
.dark .eyebrow::before{ background:var(--timber); }
.dark .section-head p{ color:#C7CBC3; }

/* ---------- Leistungen: Prozesslinie ---------- */
.process{ position:relative; }
.process-track{
  position:relative;
  padding-left:64px;
}
.process-track::before{
  content:"";
  position:absolute; left:22px; top:6px; bottom:6px; width:2px;
  background:var(--stone-line);
}
.process-step{
  position:relative;
  padding:0 0 56px 40px;
}
.process-step:last-child{ padding-bottom:0; }
.process-step::before{
  content:attr(data-num);
  position:absolute; left:-64px; top:-2px;
  width:46px; height:46px;
  border:1px solid var(--ink);
  background:var(--paper);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--f-mono); font-size:0.85rem; color:var(--ink);
  z-index:2;
}
.process-step::after{
  content:"";
  position:absolute; left:-30px; top:21px; width:30px; height:1px;
  background:var(--stone-line);
}
.process-step h3{
  font-size:1.5rem; font-weight:700; margin-bottom:10px;
}
.process-step p{ color:var(--ink-soft); max-width:60ch; margin:0; }
.process-step .tag{
  display:inline-block; margin-top:14px;
  font-family:var(--f-mono); font-size:0.72rem; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--timber-dark);
}

/* ---------- Warum-Karten ---------- */
.grid-3{
  display:grid; grid-template-columns:repeat(3,1fr); gap:2px;
  background:var(--stone-line);
  border:1px solid var(--stone-line);
}
.grid-3 .card{
  background:var(--paper); padding:34px 30px;
}
.card .num{
  font-family:var(--f-mono); color:var(--timber); font-size:0.85rem;
}
.card h3{ font-size:1.25rem; margin:14px 0 12px; font-weight:700; }
.card p{ color:var(--ink-soft); margin:0; font-size:0.97rem; }

/* ---------- Kontakt ---------- */
.contact-panel{
  display:grid; grid-template-columns:1fr 1fr; gap:0;
  border:1px solid var(--stone-line);
}
.contact-info{ padding:52px; background:var(--white); }
.contact-card{ padding:52px; background:var(--ink); color:var(--paper); }
.contact-info h2{ font-size:2.2rem; margin-bottom:22px; }
.contact-list{ list-style:none; padding:0; margin:0; font-family:var(--f-mono); font-size:0.98rem; }
.contact-list li{
  display:flex; gap:18px; padding:16px 0; border-top:1px solid var(--stone-line);
}
.contact-list li:first-child{ border-top:none; }
.contact-list .k{ color:var(--stone); min-width:110px; letter-spacing:0.06em; font-size:0.78rem; text-transform:uppercase; padding-top:2px; }
.contact-list a{ border-bottom:1px solid transparent; }
.contact-list a:hover{ border-color:var(--timber); }

.plate{
  font-family:var(--f-mono);
  border:1px solid var(--timber);
  padding:26px;
  margin-top:26px;
}
.plate .eyebrow{ color:var(--timber); }
.plate .eyebrow::before{ background:var(--timber); }
.plate p{ margin:14px 0 0; font-size:0.9rem; color:#D8DAD1; }

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink); color:#C7CBC3;
  padding:48px 0 30px;
}
.site-footer .wrap{
  display:flex; justify-content:space-between; align-items:flex-end; gap:20px; flex-wrap:wrap;
}
.footer-brand{ font-family:var(--f-display); font-size:1.2rem; color:var(--paper); }
.footer-links{ display:flex; gap:26px; flex-wrap:wrap; font-family:var(--f-mono); font-size:0.8rem; }
.footer-links a:hover{ color:var(--timber); }
.footer-meta{
  margin-top:28px; padding-top:22px; border-top:1px solid #3A423A;
  font-family:var(--f-mono); font-size:0.72rem; color:#7C8479; letter-spacing:0.04em;
}

/* ---------- Legal pages ---------- */
.legal{ padding:70px 0 110px; }
.legal .wrap{ max-width:820px; }
.legal h1{ font-size:clamp(2.2rem,4vw,3rem); margin:14px 0 10px; }
.legal .updated{ font-family:var(--f-mono); font-size:0.78rem; color:var(--stone); margin-bottom:44px; display:block; }
.legal h2{ font-family:var(--f-body); font-size:1.25rem; font-weight:700; margin:42px 0 12px; }
.legal p, .legal li{ color:var(--ink-soft); font-size:0.99rem; }
.legal ul{ padding-left:22px; }
.legal a{ color:var(--timber-dark); border-bottom:1px solid var(--timber-dark); }
.legal .note{
  font-family:var(--f-mono); font-size:0.85rem; color:var(--timber-dark);
  border:1px dashed var(--timber); padding:16px 18px; margin-bottom:38px;
}
.back-link{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--f-mono); font-size:0.82rem;
  margin-bottom:30px; color:var(--stone);
}
.back-link:hover{ color:var(--ink); }

/* ---------- Bild-Platzhalter ---------- */
/* Sobald eine Datei mit exakt diesem Namen (z.B. LOGO.png, FOTO1.jpg)
   neben den HTML-Dateien liegt, wird sie automatisch statt des
   Platzhalterkastens angezeigt. */
.img-placeholder{
  position:relative;
  display:block;
  width:100%; height:100%;
  background:var(--paper-dim);
  border:1px dashed var(--stone);
  overflow:hidden;
}
.img-placeholder img{
  width:100%; height:100%; object-fit:cover; display:block;
}
.ph-fallback{
  display:none; flex-direction:column; align-items:center; justify-content:center;
  gap:6px;
  position:absolute; inset:0;
  font-family:var(--f-mono); text-align:center; padding:10px;
}
.img-placeholder img{ position:relative; z-index:1; }
.ph-fallback .ph-tag{
  font-size:0.95rem; letter-spacing:0.1em; color:var(--ink-soft); font-weight:600;
}
.ph-fallback .ph-hint{
  font-size:0.66rem; color:var(--stone); letter-spacing:0.03em;
}
.ph-fallback svg{ width:26px; height:26px; opacity:0.5; margin-bottom:2px; }

.logo-slot{
  width:44px; height:44px;
  flex-shrink:0;
}
.logo-slot .ph-fallback .ph-tag{ font-size:0.62rem; }
.logo-slot .ph-fallback svg{ width:16px; height:16px; margin-bottom:0; }
.brand{ display:flex; flex-direction:row; align-items:center; gap:12px; }
.brand-text{ display:flex; flex-direction:column; line-height:1; }

.footer-brand-row{ display:flex; align-items:center; gap:14px; }
.footer-logo{ width:38px; height:38px; flex-shrink:0; }
.footer-logo .ph-fallback .ph-tag{ color:var(--paper); font-size:0.58rem; }
.footer-logo .ph-fallback .ph-hint{ color:#7C8479; }
.footer-logo{ border-color:#4A5248; }
.footer-logo{ background:#262D24; }

.gallery{
  display:grid; grid-template-columns:repeat(4,1fr); gap:2px;
  background:var(--stone-line); border:1px solid var(--stone-line);
}
.gallery-item{ aspect-ratio:4/5; }
.gallery-item .img-placeholder{ border:none; }

/* ---------- Responsive ---------- */
@media (max-width: 880px){
  .hero .wrap{ grid-template-columns:1fr; }
  .hero-figure{ order:-1; max-width:340px; margin:0 auto; }
  .contact-panel{ grid-template-columns:1fr; }
  .grid-3{ grid-template-columns:1fr; }
  .gallery{ grid-template-columns:repeat(2,1fr); }
}

@media (max-width: 720px){
  .main-nav{
    position:fixed; inset:76px 0 0 0; background:var(--paper);
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity 0.2s ease, transform 0.2s ease;
    border-top:1px solid var(--stone-line);
  }
  .main-nav.open{ opacity:1; transform:translateY(0); pointer-events:auto; }
  .main-nav ul{ flex-direction:column; gap:0; padding:12px 28px; font-size:1.05rem; }
  .main-nav li{ border-bottom:1px solid var(--stone-line); }
  .main-nav a{ display:block; padding:18px 0; }
  .nav-cta{ display:none; }
  .nav-toggle{ display:block; }
  section{ padding:64px 0; }
  .contact-info, .contact-card{ padding:34px 26px; }
  .process-track{ padding-left:52px; }
  .process-step{ padding-left:30px; }
  .process-step::before{ width:38px; height:38px; left:-52px; font-size:0.75rem; }
}