/* ==========================================================================
   Kernwerk IT — Stylesheet
   Palette:
     --bg:      #F6F7F5  (kühles Off-White)
     --ink:     #14181A  (fast Schwarz)
     --ink-2:   #4B5450  (gedämpfter Text)
     --line:    #D8DCD8  (Trennlinien)
     --signal:  #2B5A47  (Kernwerk-Grün — Status/Primäraktion)
     --signal-2:#DDE8E1  (heller Grünton für Flächen)
     --alert:   #C9542C  (Warn-/Supportfarbe, sparsam)
     --paper:   #FFFFFF
   Typo: IBM Plex Sans (Display/Body), IBM Plex Mono (Status/Labels)
   ========================================================================== */

* { box-sizing: border-box; }

:root {
  --bg: #F6F7F5;
  --ink: #14181A;
  --ink-2: #4B5450;
  --line: #D8DCD8;
  --signal: #2B5A47;
  --signal-2: #DDE8E1;
  --alert: #C9542C;
  --paper: #FFFFFF;
  --radius: 3px;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    animation: reveal 0.6s ease both;
  }
}
@keyframes reveal {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.mono {
  font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

/* Fokus sichtbar für Tastaturnutzung */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------------- Status-Leiste (Signature-Element) ---------------- */

.statusbar {
  background: var(--ink);
  color: #E7ECE9;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.statusbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 8px;
  padding-bottom: 8px;
  gap: 16px;
  flex-wrap: wrap;
}

.statusbar .dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #6FCF97;
  margin-right: 8px;
  box-shadow: 0 0 0 3px rgba(111,207,151,0.15);
}

.statusbar .segs {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.statusbar .segs span.k { color: #8A9591; }

/* ---------------- Header ---------------- */

header.site {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 20px;
  padding-bottom: 20px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.brand .mark {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  font-size: 13px;
  background: var(--signal);
  color: #fff;
  padding: 3px 6px;
  border-radius: 3px;
  letter-spacing: 0.04em;
}

.brand .name {
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
}

nav.primary ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}

nav.primary a {
  text-decoration: none;
  color: var(--ink-2);
  font-size: 14.5px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color 0.15s ease, background 0.15s ease;
}

nav.primary a:hover { color: var(--ink); background: var(--signal-2); }
nav.primary a[aria-current="page"] {
  color: var(--signal);
  font-weight: 600;
}

/* ---------------- Hero ---------------- */

.hero {
  border-bottom: 1px solid var(--line);
  padding: 72px 0 64px;
}

.hero .eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin: 0 0 18px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
  max-width: 18ch;
}

.hero .lede {
  font-size: 18px;
  color: var(--ink-2);
  max-width: 56ch;
  margin: 0 0 32px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14.5px;
  padding: 12px 20px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary { background: var(--signal); color: #fff; }
.btn-primary:hover { background: #234a3a; }

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }

.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Terminal-Karte im Hero */
.console {
  background: var(--ink);
  border-radius: 8px;
  padding: 20px 22px 24px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  color: #B9C4BF;
  box-shadow: 0 20px 40px -20px rgba(20,24,26,0.35);
}

.console .bar {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}
.console .bar span {
  width: 9px; height: 9px; border-radius: 50%;
  background: #384039;
}

.console .line { margin: 0 0 7px; white-space: pre-wrap; }
.console .ok { color: #6FCF97; }
.console .path { color: #E7ECE9; }
.console .comment { color: #6B756F; }
.console .cursor {
  display: inline-block;
  width: 7px; height: 14px;
  background: #6FCF97;
  vertical-align: middle;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------------- Section-Label (Status-Codes statt Nummern) ---------------- */

.seclabel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  color: var(--signal);
  background: var(--signal-2);
  padding: 4px 10px;
  border-radius: 3px;
  margin-bottom: 14px;
}

section.block { padding: 64px 0; border-bottom: 1px solid var(--line); }
section.block:last-of-type { border-bottom: none; }

section.block h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  max-width: 24ch;
}

section.block > .wrap > p.intro {
  color: var(--ink-2);
  max-width: 60ch;
  font-size: 16px;
  margin: 0 0 40px;
}

/* ---------------- Karten / Grids ---------------- */

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 26px 24px;
}

.card .tag {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
  color: var(--ink-2);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}

.card h3 {
  font-size: 17px;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--ink-2);
  font-size: 14.5px;
  margin: 0;
}

/* ---------------- Prozess / Ablauf (echte Reihenfolge -> Nummern gerechtfertigt) ---------------- */

.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
@media (max-width: 860px) {
  .process { grid-template-columns: 1fr; }
}
.process .step {
  padding: 24px 22px;
  background: var(--paper);
  border-right: 1px solid var(--line);
}
.process .step:last-child { border-right: none; }
@media (max-width: 860px) {
  .process .step { border-right: none; border-bottom: 1px solid var(--line); }
  .process .step:last-child { border-bottom: none; }
}
.process .num {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--signal);
  margin-bottom: 10px;
  display: block;
}
.process h4 { margin: 0 0 8px; font-size: 15px; }
.process p { margin: 0; color: var(--ink-2); font-size: 13.5px; }

/* ---------------- Tabelle (SLA etc.) ---------------- */

table.sla {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}
table.sla th, table.sla td {
  text-align: left;
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
}
table.sla th {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  font-weight: 500;
}
table.sla td.badge {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
}
.badge.ok { color: var(--signal); }
.badge.warn { color: var(--alert); }

/* ---------------- FAQ ---------------- */

.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 0;
  font-weight: 600;
  font-size: 15.5px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  font-family: "IBM Plex Mono", monospace;
  color: var(--signal);
  font-size: 18px;
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item .a {
  padding: 0 0 20px;
  color: var(--ink-2);
  font-size: 14.5px;
  max-width: 62ch;
}

/* ---------------- Formular ---------------- */

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
label .opt {
  font-weight: 400;
  color: var(--ink-2);
  font-family: "IBM Plex Mono", monospace;
  font-size: 11.5px;
}

input, select, textarea {
  width: 100%;
  font-family: inherit;
  font-size: 14.5px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
}
textarea { resize: vertical; min-height: 120px; }

.form-note {
  font-size: 13px;
  color: var(--ink-2);
  margin-top: 18px;
}

/* ---------------- Kontakt-Info-Karten ---------------- */

.contact-info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 48px;
}
@media (max-width: 860px) {
  .contact-info { grid-template-columns: 1fr; }
}

.contact-info .card .mono { font-size: 15px; color: var(--ink); }

/* ---------------- Footer ---------------- */

footer.site {
  border-top: 1px solid var(--line);
  padding: 40px 0 32px;
  margin-top: 0;
}

footer.site .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}

footer.site .fnav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
}
footer.site .fnav a {
  text-decoration: none;
  color: var(--ink-2);
  font-size: 13.5px;
}
footer.site .fnav a:hover { color: var(--signal); }

footer.site .copy {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--ink-2);
}

/* ---------------- Impressum ---------------- */

.legal h2 {
  font-size: 15px;
  font-family: "IBM Plex Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--signal);
  margin: 36px 0 10px;
}
.legal h2:first-child { margin-top: 0; }
.legal p, .legal li { color: var(--ink-2); font-size: 14.5px; }
.legal a { color: var(--signal); }

/* ---------------- Page header (Unterseiten) ---------------- */

.pagehead {
  padding: 52px 0 44px;
  border-bottom: 1px solid var(--line);
}
.pagehead .eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  color: var(--signal);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin: 0 0 14px;
}
.pagehead h1 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  max-width: 22ch;
}
.pagehead .lede {
  color: var(--ink-2);
  max-width: 58ch;
  font-size: 16.5px;
  margin: 0;
}