/* =========================================================
   KD E-Consulting — Stylesheet
   Ton: nüchtern-technisch, Weiß/Grau, Marke: warmes Espresso-Braun
   ========================================================= */

/* Schriftarten werden lokal ausgeliefert (siehe assets/fonts.css) statt von Google Fonts zu laden. */

:root{
  --ink: #221E18;
  --ink-soft: #4A463F;
  --paper: #FFFFFF;
  --paper-soft: #F5F4F1;
  --paper-deep: #EDEBE5;
  --brand: #3D3322;
  --brand-strong: #241E14;
  --line: #DEDBD2;
  --line-strong: #C7C3B8;
  --gray: #6E6B63;
  --focus: #1A6FB0;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --container: 1180px;
  --radius: 2px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

body{
  margin:0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4{
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.12;
  margin: 0 0 .5em 0;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 600; }
h2{ font-size: clamp(1.7rem, 3vw, 2.5rem); font-weight: 600; }
h3{ font-size: 1.25rem; font-weight: 600; }
p{ margin: 0 0 1em 0; color: var(--ink-soft); max-width: 62ch; }
a{ color: inherit; }

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

.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand);
  display: inline-flex;
  align-items: center;
  gap: .5em;
  margin-bottom: 1em;
}
.eyebrow .tag{
  border: 1px solid var(--brand);
  padding: .15em .55em;
  border-radius: var(--radius);
  font-weight: 600;
}

/* Skip link */
.skip-link{
  position:absolute; left:-999px; top:auto;
  background: var(--brand); color:#fff; padding: 10px 16px; z-index: 300;
}
.skip-link:focus{ left: 16px; top: 16px; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- Header ---------- */
header.site{
  position: sticky; top:0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--line);
}
.nav-row{
  display:flex; align-items:center; justify-content: space-between;
  padding: 10px 0;
}
.brand-mark{ display:flex; align-items:center; gap:14px; text-decoration:none; }
.brand-mark img{ height: 72px; width:auto; display:block; }
.brand-mark .brand-text{ font-family: var(--font-mono); font-size: .82rem; color: var(--ink); line-height:1.25; }
.brand-mark .brand-text strong{ display:block; font-family: var(--font-display); font-size: 1.05rem; font-weight:700; letter-spacing: .01em;}

nav.primary{ display:flex; align-items:center; gap: 6px; }
nav.primary a{
  font-family: var(--font-mono);
  font-size: .85rem;
  text-decoration:none;
  color: var(--ink-soft);
  padding: 10px 14px;
  border-radius: var(--radius);
  position: relative;
}
nav.primary a:hover{ color: var(--brand); }
nav.primary a.active{ color: var(--brand); }
nav.primary a.active::after{
  content:""; position:absolute; left:14px; right:14px; bottom:4px; height:1px; background: var(--brand);
}
.nav-cta{
  font-family: var(--font-mono);
  font-size:.85rem;
  background: var(--brand);
  color:#fff !important;
  padding: 10px 18px !important;
  border-radius: var(--radius);
  margin-left: 6px;
}
.nav-cta:hover{ background: var(--brand-strong); color:#fff; }

.menu-toggle{
  display:none;
  background:none; border: 1px solid var(--line-strong); border-radius: var(--radius);
  width:44px; height:40px; cursor:pointer;
  flex-direction:column; align-items:center; justify-content:center; gap:5px;
}
.menu-toggle span{ display:block; width:20px; height:2px; background: var(--ink); }

@media (max-width: 880px){
  nav.primary{
    position: absolute; top: 100%; left:0; right:0;
    background: var(--paper);
    flex-direction: column; align-items: stretch; padding: 6px 20px 20px;
    transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: opacity .2s ease, transform .2s ease;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 16px 28px rgba(34,30,24,.10);
  }
  nav.primary.open{ opacity:1; transform: translateY(0); pointer-events:auto; }
  nav.primary a{ font-size: 1rem; padding: 16px 6px; border-bottom: 1px solid var(--line); }
  nav.primary a.active::after{ display:none; }
  .nav-cta{ text-align:center; margin: 14px 0 0 0 !important; }
  .menu-toggle{ display:flex; }
}

/* ---------- Hero (klassisch, ruhig) ---------- */
.hero{
  padding: 46px 0 56px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.hero-tagline{
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  color: var(--brand);
  line-height:1.3;
  margin: 0 0 22px 0;
}
.hero-tagline .sep{ color: var(--line-strong); margin: 0 .4em; }
.breadcrumb{
  font-family: var(--font-mono); font-size:.78rem; color: var(--gray);
  margin-bottom: 26px;
}
.breadcrumb a{ color: var(--gray); text-decoration:none; }
.breadcrumb a:hover{ color: var(--brand); }

.tiles{ display:grid; grid-template-columns: repeat(3,1fr); gap: 22px; margin-top: 8px; }
.tile{
  display:block; text-decoration:none; color: var(--ink);
  border: 1px solid var(--line); border-radius: var(--radius); overflow:hidden;
  transition: border-color .15s ease, transform .15s ease;
}
.tile:hover{ border-color: var(--brand); transform: translateY(-2px); }
.tile-art{
  aspect-ratio: 4/3; display:flex; align-items:center; justify-content:center;
  background: var(--paper-soft);
}
.tile-art svg{ width:56px; height:56px; }
.tile figcaption{
  font-family: var(--font-display); font-style: italic; font-weight:500;
  padding: 14px 16px; border-top: 1px solid var(--line); font-size: 1rem;
}
@media (max-width: 780px){ .tiles{ grid-template-columns:1fr; } }

.hero-actions{ display:flex; gap:14px; margin-top: 2em; flex-wrap:wrap; }

.btn{
  font-family: var(--font-mono);
  font-size: .88rem;
  text-decoration:none;
  display:inline-flex; align-items:center; gap:.6em;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--brand);
  transition: background .15s ease, color .15s ease;
}
.btn-solid{ background: var(--brand); color:#fff; }
.btn-solid:hover{ background: var(--brand-strong); border-color: var(--brand-strong); }
.btn-outline{ background: transparent; color: var(--brand); }
.btn-outline:hover{ background: var(--paper-soft); }

/* ---------- Title-block facts strip ---------- */
.facts{
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-soft);
}
.facts-grid{
  display:grid; grid-template-columns: repeat(4, 1fr);
}
.fact{
  padding: 20px 24px;
  border-left: 1px solid var(--line);
}
.fact:first-child{ border-left:none; }
.fact .k{ font-family: var(--font-mono); font-size: .72rem; letter-spacing:.08em; text-transform:uppercase; color: var(--gray); margin-bottom:6px; }
.fact .v{ font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
@media (max-width: 780px){
  .facts-grid{ grid-template-columns: 1fr 1fr; }
  .fact{ border-left:none; border-top:1px solid var(--line); }
  .fact:nth-child(2){ border-left:1px solid var(--line); }
  .fact:nth-child(4){ border-left:1px solid var(--line); }
}

/* ---------- Sections ---------- */
section{ padding: 84px 0; }
.section-head{ max-width: 62ch; margin-bottom: 48px; }

/* Competency cards */
.cards{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px;
  background: var(--paper);
  display:flex; flex-direction:column;
  transition: border-color .15s ease, transform .15s ease;
}
.card:hover{ border-color: var(--brand); transform: translateY(-3px); }
.card .tag{
  font-family: var(--font-mono); font-size:.78rem; font-weight:600;
  color: var(--brand); border:1px solid var(--brand); display:inline-block;
  padding: .2em .6em; border-radius: var(--radius); margin-bottom: 18px; width:max-content;
}
.card h3{ margin-bottom:.5em; }
.card p{ font-size:.96rem; flex:1; }
.card .more{
  margin-top: 18px; font-family: var(--font-mono); font-size:.85rem; text-decoration:none; color: var(--brand);
  display:inline-flex; align-items:center; gap:.4em;
}
.card .more:hover{ text-decoration:underline; }
@media (max-width: 900px){ .cards{ grid-template-columns:1fr; } }

/* About strip */
.about-strip{ background: var(--brand); color:#fff; }
.about-strip h2, .about-strip p{ color:#fff; }
.about-strip .section-head{ max-width: 72ch; }
.about-strip p{ color: rgba(255,255,255,.86); max-width:72ch; }

/* CTA band */
.cta-band{
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: var(--paper-soft);
  text-align:center;
}
.cta-band h2{ margin-bottom:.3em; }
.cta-band p{ margin: 0 auto 1.6em; }

/* Subpage hero */
.page-hero{ padding: 60px 0 50px; border-bottom: 1px solid var(--line); }
.page-hero h1{ font-size: clamp(2rem, 4vw, 3rem); }
.page-hero p.lede{ font-size: 1.08rem; max-width: 60ch; }

/* Feature list */
.feature-list{ list-style:none; margin:0; padding:0; display:grid; gap:14px; }
.feature-list li{
  display:flex; gap:14px; align-items:flex-start;
  padding: 16px 18px; border:1px solid var(--line); border-radius: var(--radius);
}
.feature-list .idx{
  font-family: var(--font-mono); color: var(--brand); font-weight:600; font-size:.85rem;
  border:1px solid var(--brand); border-radius:50%; width:26px; height:26px; min-width:26px;
  display:flex; align-items:center; justify-content:center; margin-top:2px;
}
.feature-list p{ margin:0; font-size: .98rem; }
.feature-list strong{ color: var(--ink); }

.two-col{ display:grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items:start; }
@media (max-width: 900px){ .two-col{ grid-template-columns:1fr; } }

/* Process steps */
.process{ display:grid; grid-template-columns: repeat(5,1fr); gap:0; counter-reset: step; }
.process .step{ position:relative; padding: 22px 18px 0; border-top: 2px solid var(--line); }
.process .step::before{
  counter-increment: step; content: "0" counter(step);
  font-family: var(--font-mono); font-size:.78rem; color: var(--brand);
  position:absolute; top:-11px; left:0; background: var(--paper); padding-right:8px;
}
.process .step h4{ font-size: .98rem; margin-bottom:.35em; }
.process .step p{ font-size:.88rem; }
@media (max-width: 900px){ .process{ grid-template-columns:1fr 1fr; gap: 24px 30px; } }
@media (max-width: 560px){ .process{ grid-template-columns:1fr; } }

/* ---------- Forms ---------- */
form.contact{ display:grid; gap:18px; max-width: 640px; }
.field{ display:grid; gap:6px; }
.field label{ font-family: var(--font-mono); font-size:.78rem; text-transform:uppercase; letter-spacing:.06em; color: var(--gray); }
.field input, .field textarea{
  font-family: var(--font-body); font-size: 1rem; color: var(--ink);
  border: 1px solid var(--line-strong); border-radius: var(--radius); padding: 12px 14px;
  background: var(--paper-soft);
}
.field input:focus, .field textarea:focus{ background: var(--paper); }
.field.checkbox{ display:flex; flex-direction:row; align-items:flex-start; gap:10px; }
.field.checkbox label{ text-transform:none; font-family: var(--font-body); font-size:.92rem; letter-spacing:0; color: var(--ink-soft); }
.field.checkbox input{ width:18px; height:18px; margin-top:3px; }
.form-note{ font-size:.85rem; color: var(--gray); }

.contact-info{ display:grid; gap: 22px; }
.contact-info .item{ border-left: 2px solid var(--brand); padding-left: 16px; }
.contact-info .k{ font-family: var(--font-mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color: var(--gray); margin-bottom:4px; }
.contact-info .v{ font-size: 1.02rem; }
.contact-info a{ text-decoration:none; color: var(--ink); }
.contact-info a:hover{ color: var(--brand); }

/* ---------- Werdegang / Timeline ---------- */
.timeline{ display:grid; grid-template-columns: repeat(3,1fr); gap: 26px; margin: 36px auto 0; max-width: 980px; text-align:left; }
.timeline-item{ border-top: 2px solid var(--line); padding-top: 14px; }
.timeline-item .year{ font-family: var(--font-mono); font-size:.82rem; font-weight:600; color: var(--brand); display:block; margin-bottom:6px; }
.timeline-item p{ font-size:.92rem; margin:0; max-width:none; }
@media (max-width: 780px){ .timeline{ grid-template-columns: 1fr; } }
.with-sidebar{ display:grid; grid-template-columns: 2fr 1fr; gap: 54px; align-items:start; }
.side-box{ border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 22px; margin-bottom: 20px; }
.side-box h4{ font-family: var(--font-mono); font-size:.75rem; text-transform:uppercase; letter-spacing:.07em; color: var(--gray); margin: 0 0 14px 0; }
.side-box p{ font-size:.94rem; margin:0; }
.side-box ul{ list-style:none; margin:0; padding:0; display:grid; gap:9px; }
.side-box a{ text-decoration:none; color: var(--ink-soft); font-size:.94rem; }
.side-box a:hover{ color: var(--brand); }
@media (max-width: 900px){ .with-sidebar{ grid-template-columns: 1fr; } }

/* ---------- Footer (klassisch, dreispaltig) ---------- */
footer.site{ border-top: 1px solid var(--line); background: var(--paper-soft); }
.footer-main{ padding: 50px 0 20px; }
.footer-grid{ display:grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 30px; margin-bottom: 10px; }
.footer-grid h4{ font-family: var(--font-mono); font-size:.75rem; text-transform:uppercase; letter-spacing:.07em; color: var(--gray); margin-bottom: 14px; }
.footer-grid ul{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.footer-grid a{ text-decoration:none; color: var(--ink-soft); font-size:.94rem; }
.footer-grid a:hover{ color: var(--brand); }
.footer-brand p{ font-size:.92rem; max-width: 34ch; }
@media (max-width: 780px){ .footer-grid{ grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px){ .footer-grid{ grid-template-columns: 1fr; } }
@media (max-width: 1000px){ footer.site .container{ padding-left: 32px; padding-right: 32px; } }

.footer-bottom{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px;
  padding: 18px 0 32px; font-family: var(--font-mono); font-size:.76rem; color: var(--gray);
}
.footer-bottom a{ text-decoration:none; color: var(--gray); }
.footer-bottom a:hover{ color: var(--brand); }

/* Legal pages */
.legal{ max-width: 76ch; }
.legal h2{ font-size: 1.25rem; margin-top: 1.6em; }
.legal p, .legal li{ color: var(--ink-soft); }
.legal a{ color: var(--brand); }