/* =========================================================
   Pavonic Design — Blueprint / Technische Praezision
   Helle, dokumentenhafte Basis · eine Akzentfarbe (Petrol)
   Mobile-first, reines CSS
   ========================================================= */

:root {
  /* Papierton (warm, einladend, aber technisch) */
  --paper:        #FBFAF7;
  --paper-2:      #F4F2EC;   /* leicht abgesetzte Flächen */
  --line:         #D9D6CD;   /* feine Trennlinien / Raster */
  --ink:          #1C2024;   /* Haupttext, fast schwarz mit Wärme */
  --ink-soft:     #4A5057;   /* sekundärer Text */
  --ink-faint:    #7A8088;   /* tertiär / Labels */

  /* Akzent: Pfau-Petrol */
  --accent:       #0F6E74;
  --accent-dark:  #0A565B;
  --accent-tint:  #E4EFEF;   /* sehr helle Petrol-Fläche */

  /* Layout */
  --maxw: 1140px;
  --gutter: clamp(20px, 5vw, 56px);
  --radius: 4px;

  --font-sans: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* ---------- Reset / Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

/* Sprungziele unter dem fixierten 68px-Header freihalten (Anker-Navigation) */
section[id], [id="top"], [id="impressum"] { scroll-margin-top: 84px; }

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background-color: var(--paper);
  /* dezentes Blueprint-Raster im Hintergrund */
  background-image:
    linear-gradient(to right, rgba(15,110,116,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(15,110,116,0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono { font-family: var(--font-mono); }

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.02em;   /* ruhigere, seriöse Headlines */
  line-height: 1.15;
  color: var(--ink);
}

/* Accessibility helpers */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--accent); color: #fff;
  padding: 10px 16px; z-index: 200; border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

/* =========================================================
   HEADER / NAV
   ========================================================= */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(251,250,247,0.88);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px;
}

.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand-mark { color: var(--accent); flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name { font-weight: 600; font-size: 1.02rem; letter-spacing: -0.01em; }
.brand-sub {
  font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-faint);
}

.site-nav { display: flex; align-items: center; }
.nav-menu {
  list-style: none; padding: 0; display: flex; align-items: center; gap: 4px;
}
.nav-menu a {
  display: inline-block; padding: 8px 14px; color: var(--ink-soft);
  font-size: 0.95rem; border-radius: var(--radius);
}
.nav-menu a:hover { color: var(--ink); background: var(--paper-2); }
.nav-cta {
  background: var(--accent); color: #fff !important;
  font-weight: 500; margin-left: 8px;
}
.nav-cta:hover { background: var(--accent-dark); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: 1px solid var(--line); border-radius: var(--radius);
  width: 44px; height: 40px; padding: 0; cursor: pointer; align-items: center; justify-content: center;
}
.nav-toggle-bar {
  display: block; width: 22px; height: 2px; background: var(--ink);
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-sans); font-weight: 500; font-size: 1rem;
  padding: 13px 24px; border-radius: var(--radius); border: 1.5px solid transparent;
  cursor: pointer; transition: background .18s ease, color .18s ease, border-color .18s ease, transform .08s ease;
  text-align: center;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-outline:hover { background: var(--accent-tint); color: var(--accent-dark); }
.btn-lg { font-size: 1.05rem; padding: 16px 30px; }

/* =========================================================
   HERO
   ========================================================= */
.hero { padding-block: clamp(40px, 7vw, 80px) clamp(36px, 6vw, 64px); }
.hero-grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(36px, 6vw, 64px);
  align-items: center;
}

.eyebrow {
  font-size: 0.82rem; color: var(--ink-faint); margin-bottom: 18px;
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.eyebrow .mono { color: var(--accent); letter-spacing: 0.04em; }

.hero h1 {
  font-size: clamp(2rem, 5.2vw, 3.15rem);
  max-width: 16ch;
}
.hero-lead {
  margin-top: 22px; font-size: 1.12rem; color: var(--ink-soft);
  max-width: 52ch;
}
.hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 14px; }

.hero-formats {
  margin-top: 30px; padding-top: 20px; border-top: 1px solid var(--line);
  font-size: 0.82rem; display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: baseline;
}
.format-label { color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.14em; }
.format-list { color: var(--ink); letter-spacing: 0.08em; font-weight: 500; }

/* Blueprint-Plankarte */
.hero-plan { margin: 0; }
.plan-card {
  background: var(--paper);
  border: 1px solid var(--accent);
  box-shadow: 0 1px 0 var(--line), 0 18px 40px -28px rgba(15,110,116,0.4);
  border-radius: var(--radius);
  padding: 14px;
  position: relative;
}
.plan-card::before {
  /* feine innere Hilfslinie wie ein Zeichnungsrahmen */
  content: ""; position: absolute; inset: 7px;
  border: 1px solid rgba(15,110,116,0.25);
  border-radius: 2px; pointer-events: none;
}
.plan-svg { color: var(--accent); width: 100%; height: auto; }
.dim-text { font-family: var(--font-mono); font-size: 12px; fill: var(--accent-dark); text-anchor: middle; stroke: none; }
.mono-text { font-family: var(--font-mono); font-size: 9px; fill: var(--accent-dark); stroke: none; letter-spacing: 0.05em; }
.tb-label { font-family: var(--font-mono); font-size: 7.5px; fill: var(--ink-faint); stroke: none; letter-spacing: 0.05em; }
.tb-val   { font-family: var(--font-mono); font-size: 10px; fill: var(--ink); stroke: none; }

.plan-caption {
  margin-top: 12px; font-size: 0.72rem; color: var(--ink-faint);
  text-align: right; letter-spacing: 0.04em;
}

/* Zeichen-Animation der Linien (graft aus Konzept 2) */
.draw-line {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  animation: draw 2.4s ease forwards;
}
.plan-body { animation-delay: .1s; }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* =========================================================
   USP-LEISTE
   ========================================================= */
.usp-bar { background: var(--ink); color: var(--paper); }
.usp-grid {
  display: grid; grid-template-columns: 1fr; gap: 0;
  border-left: 1px solid rgba(255,255,255,0.1);
  border-right: 1px solid rgba(255,255,255,0.1);
}
.usp-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 20px var(--gutter);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.usp-key { color: var(--accent); font-size: 0.8rem; padding-top: 2px; flex: none; }
.usp-text { font-size: 0.98rem; color: rgba(251,250,247,0.92); }

/* =========================================================
   SECTIONS (gemeinsam)
   ========================================================= */
.section { padding-block: clamp(56px, 9vw, 104px); }
.section-head { max-width: 60ch; margin-bottom: clamp(34px, 5vw, 52px); }
.section-index {
  font-size: 0.8rem; color: var(--accent); letter-spacing: 0.1em;
  margin-bottom: 14px;
}
.section h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); }
.section-intro { margin-top: 16px; color: var(--ink-soft); font-size: 1.08rem; }

/* =========================================================
   LEISTUNGEN — Parts-Table / Datenblatt-Anmutung
   ========================================================= */
.parts-table {
  list-style: none; padding: 0;
  border-top: 1px solid var(--line);
}
.part-row {
  display: grid;
  grid-template-columns: auto auto 1fr;
  gap: 16px 20px;
  align-items: start;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  transition: background .18s ease;
}
.part-row:hover { background: var(--paper-2); }
.part-index { color: var(--ink-faint); font-size: 0.82rem; padding-top: 6px; }
.part-icon {
  color: var(--accent);
  width: 48px; height: 48px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper);
}
.part-body h3 { font-size: 1.18rem; margin-bottom: 6px; }
.part-body p { color: var(--ink-soft); font-size: 1rem; max-width: 60ch; }

/* =========================================================
   ABLAUF — Bemaßungsketten-Prozess
   ========================================================= */
.process {
  list-style: none; padding: 0;
  display: grid; grid-template-columns: 1fr; gap: 0;
}
.process-step {
  position: relative;
  padding: 26px 0 26px 56px;
  border-top: 1px solid var(--line);
}
.process-step:last-child { border-bottom: 1px solid var(--line); }
.step-num {
  position: absolute; left: 0; top: 26px;
  width: 40px; height: 40px; display: grid; place-items: center;
  border: 1.5px solid var(--accent); color: var(--accent);
  border-radius: 50%; font-size: 0.85rem; background: var(--paper);
}
.process-step h3 { font-size: 1.15rem; margin-bottom: 5px; }
.process-step p { color: var(--ink-soft); max-width: 56ch; }

/* =========================================================
   REFERENZ
   ========================================================= */
.referenz { background: var(--paper-2); }
.referenz-grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(32px, 5vw, 56px);
  align-items: center;
}
.referenz-kicker {
  color: var(--accent); font-size: 0.9rem; margin: 16px 0 14px;
  letter-spacing: 0.04em;
}
.referenz-copy > p { color: var(--ink-soft); }
.referenz-facts {
  list-style: none; padding: 0; margin: 22px 0;
  border-top: 1px solid var(--line);
}
.referenz-facts li {
  display: flex; flex-wrap: wrap; gap: 6px 12px; align-items: baseline;
  padding: 12px 0; border-bottom: 1px solid var(--line);
  color: var(--ink); font-size: 0.98rem;
}
.referenz-facts .mono {
  color: var(--ink-faint); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.12em; min-width: 90px;
}
.referenz-note { font-size: 0.85rem; color: var(--ink-faint); font-style: italic; }

.media-placeholder {
  aspect-ratio: 4 / 3;
  border: 1.5px dashed var(--line);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(45deg, transparent, transparent 14px, rgba(15,110,116,0.04) 14px, rgba(15,110,116,0.04) 15px),
    var(--paper);
  display: grid; place-content: center; justify-items: center; gap: 14px;
  color: var(--ink-faint);
}
.placeholder-label { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* =========================================================
   PERSON
   ========================================================= */
.person-grid {
  display: grid; grid-template-columns: 1fr; gap: clamp(28px, 5vw, 48px);
  align-items: start;
}
.person-name { font-size: 1.3rem; font-weight: 600; margin: 12px 0 16px; letter-spacing: -0.01em; }
.person-copy > p { color: var(--ink-soft); margin-bottom: 14px; }
.person-legal { font-size: 0.78rem; color: var(--ink-faint); margin-top: 8px; }

.person-aside {
  background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 8px 22px;
}
.facts { margin: 0; }
.facts > div {
  display: flex; flex-direction: column; gap: 2px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.facts > div:last-child { border-bottom: none; }
.facts dt {
  color: var(--ink-faint); font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.12em;
}
.facts dd { color: var(--ink); font-size: 1rem; }

/* =========================================================
   KONTAKT
   ========================================================= */
.kontakt {
  background: var(--accent);
  color: var(--paper);
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}
.kontakt-inner { max-width: 740px; }
.kontakt .section-index { color: var(--accent-tint); }
.kontakt h2 { color: #fff; }
.kontakt-lead { margin-top: 16px; font-size: 1.12rem; color: rgba(255,255,255,0.92); }
.kontakt-actions {
  margin-top: 30px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center;
}
.kontakt .btn-primary {
  background: var(--paper); color: var(--accent-dark);
  border-color: var(--paper);
}
.kontakt .btn-primary:hover { background: #fff; color: var(--accent-dark); }
.kontakt-phone {
  color: rgba(255,255,255,0.82); font-size: 0.9rem;
  border: 1px dashed rgba(255,255,255,0.45); padding: 8px 14px; border-radius: var(--radius);
}
.kontakt-meta { margin-top: 26px; font-size: 0.8rem; color: rgba(255,255,255,0.78); letter-spacing: 0.03em; }

/* =========================================================
   FOOTER / IMPRESSUM
   ========================================================= */
.site-footer {
  background: var(--ink); color: rgba(251,250,247,0.82);
  padding-top: clamp(48px, 7vw, 72px);
  font-size: 0.92rem;
}
.footer-grid {
  display: grid; grid-template-columns: 1fr; gap: 36px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand .brand-name { color: #fff; font-size: 1.1rem; }
.footer-tagline { margin-top: 8px; color: rgba(251,250,247,0.6); font-size: 0.88rem; }
.footer-heading {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--accent-tint); margin-bottom: 14px;
}
.footer-address { font-style: normal; line-height: 1.7; }
.footer-address a { color: var(--accent-tint); }
.footer-legal { margin-top: 12px; color: rgba(251,250,247,0.55); font-size: 0.82rem; }
.footer-links { list-style: none; padding: 0; display: grid; gap: 10px; }
.footer-links a { color: rgba(251,250,247,0.82); }
.footer-links a:hover { color: #fff; }

/* Platzhalter sehr deutlich markieren */
.placeholder, .placeholder-link .placeholder {
  color: #FFD27A;
  background: rgba(255,170,0,0.12);
  border: 1px dashed rgba(255,190,80,0.6);
  padding: 1px 7px; border-radius: 3px;
  font-size: 0.8rem; letter-spacing: 0.03em;
}
.placeholder-link { color: rgba(251,250,247,0.82); }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between;
  padding-block: 22px; font-size: 0.8rem; color: rgba(251,250,247,0.55);
}
.footer-top-link { color: var(--accent-tint); }

/* =========================================================
   RESPONSIVE — Breakpoints
   ========================================================= */
@media (min-width: 560px) {
  .usp-grid { grid-template-columns: 1fr 1fr; }
  .usp-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.1); }
}

@media (min-width: 720px) {
  .process { grid-template-columns: repeat(4, 1fr); }
  .process-step {
    padding: 70px 18px 24px; border: none; border-top: 1px solid var(--line);
  }
  .process-step:last-child { border-bottom: none; }
  .step-num { top: 22px; left: 18px; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

@media (min-width: 880px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; }
  .referenz-grid { grid-template-columns: 1.1fr 0.9fr; }
  .person-grid { grid-template-columns: 1.4fr 0.9fr; }
  .usp-grid { grid-template-columns: repeat(4, 1fr); }
  .usp-item { border-right: 1px solid rgba(255,255,255,0.1); border-bottom: none; }
}

/* Mobile-Navigation — Breakpoint an das Layout-Set (880px) angeglichen */
@media (max-width: 879.98px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px var(--gutter) 16px;
    box-shadow: 0 18px 30px -24px rgba(0,0,0,0.4);
    max-height: 0; overflow: hidden; opacity: 0;
    transition: max-height .28s ease, opacity .2s ease, padding .2s ease;
    pointer-events: none;
  }
  .nav-menu.open { max-height: 380px; opacity: 1; padding-top: 12px; pointer-events: auto; }
  .nav-menu li { width: 100%; }
  .nav-menu a { display: block; padding: 13px 8px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav-menu li:last-child a { border-bottom: none; }
  .nav-cta { margin: 10px 0 0; text-align: center; border-radius: var(--radius); }
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .draw-line { animation: none; stroke-dashoffset: 0; }
  * { transition-duration: .01ms !important; }
}


/* --- Repositionierung 29.06: Rolle, Leistungen-Zusatz, Hero-H1-Breite --- */
.person-role { color: var(--accent); font-size: 0.9rem; letter-spacing: 0.03em; margin: -8px 0 16px; }
.leistungen-mehr { margin-top: 26px; font-size: 0.85rem; color: var(--ink-faint); letter-spacing: 0.02em; }
.hero h1 { max-width: 22ch; }


/* --- Sprach-Umschalter --- */
.lang-switch { display:flex; align-items:center; gap:6px; margin-right:14px; font-family:var(--font-mono); font-size:0.78rem; }
.lang-switch a { color: var(--ink-faint); padding:2px 5px; border-radius:3px; text-decoration:none; }
.lang-switch a:hover { color: var(--ink); background: var(--paper-2); }
.lang-switch a.lang-active { color: var(--accent); font-weight:600; }


/* --- Rechtstexte (Datenschutz / Privacy) --- */
.legal-page { max-width: 760px; margin: 0 auto; padding: 56px 24px 88px; }
.legal-page h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); line-height: 1.15; margin: 10px 0 22px; }
.legal-page h2 { font-size: 1.1rem; margin: 34px 0 8px; color: var(--accent); }
.legal-page p, .legal-page li { line-height: 1.7; }
.legal-page ul { margin: 8px 0 8px 1.1em; }
.legal-page li { margin: 4px 0; }
.legal-page address { font-style: normal; line-height: 1.8; margin: 6px 0 4px; }
.legal-page a { color: var(--accent); }
.legal-stand { margin-top: 36px; color: var(--ink-faint); font-size: 0.8rem; }
.legal-back { display: inline-block; margin-top: 8px; font-size: 0.85rem; }