/* =========================================================
   Baumfällung Zwickau — Design System
   Concept: the cross-section of a tree — growth rings as the
   structural device, parchment and forest tones, a Fraunces/
   Karla pairing that reads organic and craft-made rather than
   industrial.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Karla:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500;600&display=swap');

:root{
  --bg:            #F3EEE1;   /* parchment */
  --bg-card:       #FBF8F0;   /* lighter parchment, card surface */
  --bg-dark:       #1B2A1C;   /* deep forest */
  --ink:           #20241C;
  --ink-soft:      #565C4E;
  --bark:          #6B4A31;
  --moss:          #5C7A4B;   /* signature accent */
  --moss-dark:     #46603A;
  --amber:         #C68B3A;   /* cut-wood accent */
  --line:          #DAD2BC;
  --line-dark:     #3A4A34;
  --radius:        3px;

  --font-display:  'Fraunces', Georgia, serif;
  --font-body:     'Karla', -apple-system, sans-serif;
  --font-mono:     'IBM Plex Mono', ui-monospace, monospace;
}

@media (prefers-reduced-motion: no-preference){ :root{ --transition: 180ms ease; } }
@media (prefers-reduced-motion: reduce){ *{ animation:none !important; transition:none !important; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font-body); font-size:17px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:3px solid var(--moss-dark); outline-offset:2px;
}

.wrap{ max-width:1120px; margin:0 auto; padding:0 28px; }

/* ---------- growth-ring divider (signature structural device) ---------- */
.rings-divider{
  height:14px;
  background:
    radial-gradient(circle at 8% 50%, transparent 0 3px, var(--moss) 3px 4px, transparent 4px 6px, var(--amber) 6px 7px, transparent 7px 9px),
    var(--bg);
  background-size: 60px 14px;
  background-repeat: repeat-x;
  opacity:.9;
}

/* ---------- header ---------- */
.site-header{ background:var(--bg); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:40; }
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; padding:18px 28px; gap:20px; }
.wordmark{ font-family:var(--font-display); font-weight:600; font-size:21px; text-decoration:none; color:var(--ink); display:flex; align-items:baseline; gap:8px; }
.wordmark small{ font-family:var(--font-mono); font-size:11px; font-weight:600; color:var(--moss-dark); letter-spacing:.08em; }
nav.primary-nav{ display:flex; align-items:center; gap:24px; font-family:var(--font-body); font-weight:600; font-size:14.5px; }
nav.primary-nav a{ text-decoration:none; color:var(--ink-soft); padding:4px 2px; border-bottom:2px solid transparent; transition:color var(--transition), border-color var(--transition); }
nav.primary-nav a:hover{ color:var(--ink); }
nav.primary-nav a.active{ color:var(--ink); border-bottom-color:var(--moss); }
.nav-cta{ font-family:var(--font-body); font-weight:700; font-size:14.5px; color:#fff !important; background:var(--moss-dark); padding:10px 18px !important; border-radius:var(--radius); border-bottom:none !important; white-space:nowrap; }
.nav-cta:hover{ background:var(--bark); }
.nav-toggle{ display:none; }
@media (max-width:860px){
  nav.primary-nav{ display:none; position:absolute; left:0; right:0; top:100%; background:var(--bg); border-bottom:1px solid var(--line); flex-direction:column; align-items:flex-start; gap:0; padding:8px 28px 18px; }
  nav.primary-nav.open{ display:flex; }
  nav.primary-nav a{ padding:10px 0; width:100%; }
  .nav-cta{ margin-top:8px; text-align:center; }
  .nav-toggle{ display:inline-flex; background:none; border:1px solid var(--ink); padding:8px 10px; font-family:var(--font-mono); font-size:12px; cursor:pointer; border-radius:var(--radius); }
}

/* ---------- hero ---------- */
.hero{ background:var(--bg-dark); color:#EFEEE4; padding:78px 0 66px; position:relative; overflow:hidden; }
.hero::before{ /* tree-ring cross-section, decorative */
  content:""; position:absolute; right:-160px; top:50%; transform:translateY(-50%);
  width:560px; height:560px; border-radius:50%;
  background:
    repeating-radial-gradient(circle at center,
      rgba(232,224,201,0.06) 0 6px,
      rgba(232,224,201,0.02) 6px 14px,
      transparent 14px 22px);
}
.hero .wrap{ position:relative; }
.eyebrow{ font-family:var(--font-mono); font-size:12.5px; letter-spacing:.1em; color:var(--amber); text-transform:uppercase; display:flex; align-items:center; gap:10px; margin-bottom:22px; }
.eyebrow::before{ content:""; width:22px; height:2px; background:var(--amber); }
.hero h1{ font-family:var(--font-display); font-weight:600; font-size:clamp(34px,5vw,56px); line-height:1.06; margin:0 0 22px; max-width:15ch; }
.hero h1 em{ font-style:normal; color:var(--amber); }
.hero p.lede{ font-size:19px; color:#CBCABB; max-width:48ch; margin:0 0 34px; }
.hero-actions{ display:flex; align-items:center; gap:22px; flex-wrap:wrap; }

.btn-primary{
  font-family:var(--font-body); font-weight:700; font-size:15px;
  text-decoration:none; color:#fff; background:var(--moss);
  padding:15px 24px; border-radius:var(--radius);
  display:inline-flex; align-items:center; gap:10px;
  transition:transform var(--transition), background var(--transition);
}
.btn-primary:hover{ background:var(--amber); color:var(--ink); transform:translateY(-1px); }
.btn-primary::after{ content:"→"; }
.btn-ghost{ font-family:var(--font-mono); font-size:13px; color:#CBCABB; text-decoration:none; border-bottom:1px dotted #6c7a63; }
.btn-ghost:hover{ color:#fff; }

/* ---------- sections ---------- */
section{ padding:70px 0; }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; margin-bottom:40px; flex-wrap:wrap; border-bottom:1px solid var(--line); padding-bottom:20px; }
.section-head .kicker{ font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; color:var(--moss-dark); text-transform:uppercase; margin:0 0 8px; }
.section-head h2{ font-family:var(--font-display); font-weight:600; font-size:clamp(24px,3vw,33px); margin:0; line-height:1.15; }
.section-head p{ max-width:40ch; color:var(--ink-soft); margin:0; font-size:15.5px; }

/* ---------- ring cards (signature service cards) ---------- */
.ring-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:22px; }
.ring-card{
  background:var(--bg-card); border:1px solid var(--line); border-radius:var(--radius);
  padding:26px 24px 24px; position:relative; text-decoration:none; color:var(--ink);
  display:flex; flex-direction:column; gap:14px;
  transition:border-color var(--transition), transform var(--transition);
}
.ring-card:hover{ border-color:var(--moss); transform:translateY(-2px); }
.ring-top{ display:flex; justify-content:space-between; align-items:flex-start; }
.ring-icon{
  width:44px; height:44px; border-radius:50%; flex-shrink:0;
  background:
    repeating-radial-gradient(circle at center,
      var(--moss) 0 2px, transparent 2px 6px,
      var(--amber) 6px 7px, transparent 7px 11px,
      var(--moss) 11px 12px, transparent 12px 16px);
}
.ring-no{ font-family:var(--font-mono); font-size:12px; color:var(--ink-soft); letter-spacing:.06em; }
.ring-card h3{ font-family:var(--font-display); font-weight:600; font-size:20px; margin:0; }
.ring-card p{ margin:0; color:var(--ink-soft); font-size:15px; flex-grow:1; }
.ring-card .go{ font-family:var(--font-mono); font-size:12.5px; font-weight:600; color:var(--moss-dark); margin-top:6px; }
.ring-card .go::after{ content:"→"; margin-left:4px; }

/* ---------- numbered process (growth-ring timeline; real sequence) ---------- */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:30px; counter-reset:step; }
@media (max-width:760px){ .steps{ grid-template-columns:1fr; } }
.step{ position:relative; padding-top:52px; }
.step::before{
  counter-increment:step; content:counter(step);
  position:absolute; top:0; left:0;
  width:38px; height:38px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-display); font-weight:600; font-size:16px; color:#fff;
  background:var(--moss-dark);
}
.step h3{ font-size:18px; margin:0 0 8px; font-family:var(--font-body); font-weight:700; }
.step p{ margin:0; color:var(--ink-soft); font-size:15px; }

/* ---------- district / area list ---------- */
.districts{ display:flex; flex-wrap:wrap; gap:10px; }
.districts a{ font-family:var(--font-mono); font-size:13px; text-decoration:none; color:var(--ink); border:1px solid var(--line); padding:9px 14px; border-radius:var(--radius); transition:border-color var(--transition), background var(--transition); }
.districts a:hover{ border-color:var(--moss); background:var(--bg-card); }

/* ---------- notice ---------- */
.notice{ background:var(--bg-card); border-left:4px solid var(--amber); padding:20px 24px; font-size:14.5px; color:var(--ink-soft); border-radius:0 var(--radius) var(--radius) 0; }
.notice strong{ color:var(--ink); }

/* ---------- content page (leistungsseiten) ---------- */
.page-hero{ background:var(--bg-dark); color:#EFEEE4; padding:56px 0 46px; }
.page-hero .kicker{ font-family:var(--font-mono); font-size:12px; letter-spacing:.1em; color:var(--amber); text-transform:uppercase; margin:0 0 14px; }
.page-hero h1{ font-family:var(--font-display); font-weight:600; font-size:clamp(28px,4vw,42px); margin:0 0 14px; line-height:1.12; max-width:22ch; }
.page-hero p{ color:#CBCABB; max-width:56ch; font-size:17px; margin:0; }

.content-grid{ display:grid; grid-template-columns:1.6fr 1fr; gap:48px; align-items:start; }
@media (max-width:860px){ .content-grid{ grid-template-columns:1fr; } }
.content-grid h2{ font-family:var(--font-display); font-weight:600; font-size:23px; margin:34px 0 14px; }
.content-grid h2:first-child{ margin-top:0; }
.content-grid ul{ padding-left:20px; }
.content-grid li{ margin-bottom:8px; color:var(--ink-soft); }

.side-card{ background:var(--bg-card); border:1px solid var(--line); border-radius:var(--radius); padding:26px; position:sticky; top:100px; }
.side-card .ring-no{ display:block; margin-bottom:10px; }
.side-card h3{ font-family:var(--font-display); font-weight:600; font-size:19px; margin:0 0 10px; }
.side-card p{ font-size:14.5px; color:var(--ink-soft); margin:0 0 18px; }

/* ---------- form ---------- */
.form-card{ background:var(--bg-card); border:1px solid var(--line); border-radius:var(--radius); padding:30px; }
.form-row{ margin-bottom:18px; display:flex; flex-direction:column; gap:6px; }
.form-row label{ font-family:var(--font-mono); font-size:12px; letter-spacing:.05em; color:var(--ink-soft); text-transform:uppercase; }
.form-row input, .form-row select, .form-row textarea{ font-family:var(--font-body); font-size:15px; padding:12px 14px; border:1px solid var(--line); border-radius:var(--radius); background:#fff; color:var(--ink); }
.form-row textarea{ resize:vertical; min-height:110px; }
.form-note{ font-size:13px; color:var(--ink-soft); margin-top:4px; }

/* ---------- footer ---------- */
footer.site-footer{ background:var(--bg-dark); color:#CBCABB; padding:54px 0 34px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:34px; border-bottom:1px solid var(--line-dark); }
@media (max-width:760px){ .footer-grid{ grid-template-columns:1fr; gap:28px; } }
.footer-grid h4{ font-family:var(--font-mono); font-size:12px; letter-spacing:.08em; color:var(--amber); text-transform:uppercase; margin:0 0 16px; }
.footer-grid a{ display:block; text-decoration:none; color:#CBCABB; font-size:14.5px; margin-bottom:10px; transition:color var(--transition); }
.footer-grid a:hover{ color:#fff; }
.footer-bottom{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; padding-top:22px; font-family:var(--font-mono); font-size:12px; color:#8b9182; }