/* Fonts: IBM Plex, selbst gehostet (keine Anfragen an Google) */
@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("fonts/ibm-plex-sans-latin.woff2") format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("fonts/ibm-plex-mono-400-latin.woff2") format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/ibm-plex-mono-500-latin.woff2") format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #F5F6F2;
  --surface: #FFFFFF;
  --soft: #E6EEE8;
  --text: #16201B;
  --text-muted: #3E4A44;
  --text-nav: #34413A;
  --border: #DCE1DA;
  --border-strong: #B9C3BC;
  --accent: #1E4D36;
  --accent-dark: #0F2A1E;
  --footer-bg: #0B1F16;
  --footer-text: #A9BFB1;
  --on-dark: #EEF4F0;
  --on-dark-muted: #C9D9CF;
  --on-dark-eyebrow: #8FB8A0;
  --on-dark-border: #4E7A62;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', monospace;
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* Footer bleibt auch auf kurzen Seiten unten */
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1 0 auto; width: 100%; }

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

h1, h2, h3, p, ul, ol { margin: 0; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h2 {
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  min-height: 48px;
  padding: 14px 24px;
  border-radius: 8px;
  font-weight: 500;
  text-decoration: none;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn-sm { min-height: 44px; padding: 10px 18px; }
.btn-primary { background: var(--accent); color: #FFFFFF; font-weight: 600; }
.btn-primary:hover { background: var(--accent-dark); color: #FFFFFF; }
.btn-sm.btn-primary { font-weight: 500; }
.btn-outline { color: var(--text); border: 1px solid var(--border-strong); }
.btn-outline:hover { color: var(--text); border-color: var(--accent); background: var(--surface); }
.btn-light { min-height: 52px; padding: 16px 24px; background: #FFFFFF; color: var(--accent-dark); font-weight: 600; }
.btn-light:hover { background: var(--soft); color: var(--accent-dark); }
.btn-ghost { min-height: 52px; padding: 16px 24px; color: #FFFFFF; border: 1px solid var(--on-dark-border); }
.btn-ghost:hover { color: #FFFFFF; border-color: var(--on-dark-eyebrow); background: rgba(255, 255, 255, .06); }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.header-inner {
  padding-top: 20px;
  padding-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}
.brand:hover { color: var(--text); }
.brand-mark {
  display: inline-flex;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--accent);
  color: #FFFFFF;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 16px;
}
.brand-name { font-weight: 600; font-size: 18px; letter-spacing: -0.01em; }
.main-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
  font-size: 15px;
}
.main-nav a:not(.btn) { text-decoration: none; color: var(--text-nav); }
.main-nav a:not(.btn):hover { color: var(--accent); }

/* Hero */
.hero {
  padding-top: 96px;
  padding-bottom: 88px;
}
.hero-text {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.hero h1 {
  font-size: clamp(38px, 5.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.025em;
  font-weight: 700;
  max-width: 760px;
}
.lead { font-size: 20px; color: var(--text-muted); max-width: 620px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; padding-top: 8px; }

/* Sections */
.band {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section {
  padding-top: 96px;
  padding-bottom: 96px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.section-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 680px;
}

/* Leistungen */
.services {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg);
}
.card svg {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.card h3 { font-size: 24px; letter-spacing: -0.01em; }
.card p { color: var(--text-muted); }
.card ul {
  padding-left: 20px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Arbeitsweise */
.principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px 32px;
}
.principle {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 2px solid var(--accent);
  padding-top: 20px;
}
.principle h3 { font-size: 19px; }
.principle p { color: var(--text-muted); }

.steps {
  list-style: none;
  padding: 16px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.step {
  background: var(--soft);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.step-no { font-family: var(--mono); font-size: 14px; color: var(--accent); }
.step h3 { font-size: 20px; }
.step p { color: var(--text-nav); }

/* Projekte */
.projects { display: flex; flex-direction: column; }
.project {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 40px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.project:last-child { border-bottom: 1px solid var(--border); }
.project h3 { flex: 1 1 260px; font-size: 22px; }
.project p { flex: 2 1 420px; color: var(--text-muted); }

/* Kontakt */
.contact { background: var(--accent-dark); color: var(--on-dark); }
.contact-inner {
  padding-top: 96px;
  padding-bottom: 96px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-end;
  justify-content: space-between;
}
.contact-text {
  flex: 999 1 480px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact .eyebrow { color: var(--on-dark-eyebrow); }
.contact h2 {
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.1;
  color: #FFFFFF;
}
.contact-actions {
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact a:focus-visible { outline-color: #FFFFFF; }

/* Footer */
.site-footer { background: var(--footer-bg); color: var(--footer-text); font-size: 14px; }
.footer-inner {
  padding-top: 28px;
  padding-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  justify-content: space-between;
  align-items: center;
}
.site-footer nav { display: flex; gap: 24px; }
.site-footer a { color: var(--on-dark-muted); }
.site-footer a:hover { color: #FFFFFF; }

/* Rechtliche Seiten (Impressum, Datenschutz) */
.legal {
  max-width: 800px;
  padding-top: 72px;
  padding-bottom: 96px;
}
.legal h1 {
  margin: 12px 0 8px;
  font-size: clamp(36px, 5vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.025em;
  hyphens: auto;
  overflow-wrap: break-word;
}
.legal h2 {
  margin: 48px 0 12px;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.legal p, .legal ul { color: var(--text-muted); }
.legal p + p, .legal p + ul, .legal ul + p { margin-top: 12px; }
.legal ul { padding-left: 20px; display: flex; flex-direction: column; gap: 4px; }
.legal strong { color: var(--text); }
.legal a { overflow-wrap: anywhere; }
.legal-meta { font-size: 15px; }
.legal .actions { margin-top: 28px; }
.site-footer a[aria-current="page"] { color: #FFFFFF; }

@media (max-width: 640px) {
  h2 { font-size: 32px; }
  .hero { padding-top: 64px; padding-bottom: 64px; }
  .section, .contact-inner { padding-top: 72px; padding-bottom: 72px; }
  .card { padding: 24px; }
  .legal { padding-top: 48px; padding-bottom: 72px; }
  .services, .principles, .steps { grid-template-columns: 1fr; }
}