/*
Theme Name: ITSB Group
Theme URI: https://itsb-group.com
Author: ITSB Deutschland UG (haftungsbeschränkt)
Author URI: https://itsb-deutschland.de
Description: Zweisprachiges Block-Theme (DE/EN) für die Corporate Website der ITSB Group. Ohne Page-Builder, ohne externe Schriftarten, ohne Tracking. Mehrsprachigkeit über Seitenhierarchie /de/ und /en/ ohne zusätzliches Plugin.
Requires at least: 6.6
Tested up to: 7.1
Requires PHP: 8.1
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: itsb-group
Tags: full-site-editing, block-patterns, translation-ready, accessibility-ready
*/

/* ==========================================================================
   Grundlagen
   Farbwelt und Typografie stammen aus theme.json (CSS-Variablen
   --wp--preset--*). Hier stehen nur Dinge, die theme.json nicht abbildet.
   ========================================================================== */

:root {
  --itsb-line-soft: var(--wp--custom--line--soft, #eef2f7);
  --itsb-line-strong: var(--wp--custom--line--strong, #c9d1de);
  /* Textvariante des Markenorange. #FF7D00 erreicht auf Weiß nur 2,6:1 und
     ist als Schriftfarbe nicht barrierefrei; diese Abdunklung erreicht
     5,3:1 auf Weiß und 5,1:1 auf Off-White (WCAG 2.2 AA = 4,5:1).
     Die Markenfarbe selbst bleibt für Flächen, Balken und Buttons. */
  --itsb-accent-strong: var(--wp--custom--accent--strong, #a85400);
  --itsb-accent-light: var(--wp--custom--accent--light, #ff9a33);
  --itsb-on-dark: var(--wp--custom--on-dark--text, #ffffff);
  --itsb-on-dark-mute: var(--wp--custom--on-dark--mute, #9fb3cc);
  --itsb-on-dark-line: var(--wp--custom--on-dark--line, #24364f);
  --itsb-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --itsb-header-height: 4.25rem;
}

@media (min-width: 75rem) {
  :root {
    --itsb-header-height: 4.75rem;
  }
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--itsb-header-height) + 1rem);
}

body {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "kern" 1, "liga" 1;
  /* Sicherheitsnetz gegen ueberlaufende Komposita wie
     "Informationssicherheitsverantwortlichen" in schmalen Spalten. */
  overflow-wrap: break-word;
}

/* Silbentrennung in schmalen Spalten. Greift nur dort, wo Zeilen kurz sind –
   nicht in Fliesstext ueber die volle Breite und nicht in grossen
   Ueberschriften, wo eine Trennung unruhig wirken wuerde.
   Voraussetzung ist das korrekte lang-Attribut, das inc/i18n.php setzt. */
.itsb-card__title,
.itsb-card__body,
.itsb-step__title,
.itsb-step__body,
.itsb-member__body,
.itsb-unit__body,
.itsb-list li,
.itsb-tags li,
.itsb-dl dd {
  -webkit-hyphens: auto;
  hyphens: auto;
}

h1,
h2,
h3,
h4 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

/* Sichtbarer, kontrastreicher Fokus auf allen interaktiven Elementen.
   WCAG 2.2: 2.4.7 Focus Visible, 2.4.11 Focus Not Obscured. */
:focus-visible {
  outline: 2px solid var(--wp--preset--color--accent);
  outline-offset: 3px;
}

.itsb-dark :focus-visible {
  outline-color: var(--itsb-accent-light);
}

::selection {
  background-color: var(--wp--preset--color--ink-900);
  color: #fff;
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Nur fuer Screenreader */
.itsb-sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.itsb-skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background-color: var(--wp--preset--color--ink-900);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-120%);
  transition: transform 0.15s var(--itsb-ease);
}

.itsb-skip-link:focus {
  transform: translateY(0);
}

/* ==========================================================================
   Abschnitte
   ========================================================================== */

.itsb-section {
  padding-block: clamp(3.5rem, 7vw, 7rem);
}

.itsb-section--tight {
  padding-block: clamp(2.5rem, 5vw, 4.5rem);
}

.itsb-section--rule {
  border-top: 1px solid var(--wp--preset--color--line);
}

.itsb-section--soft {
  background-color: var(--wp--preset--color--paper-soft);
}

.itsb-dark {
  background-color: var(--wp--preset--color--ink-900);
  color: var(--itsb-on-dark-mute);
}

.itsb-dark h1,
.itsb-dark h2,
.itsb-dark h3,
.itsb-dark h4,
.itsb-dark strong {
  color: var(--itsb-on-dark);
}

.itsb-dark a:not(.itsb-btn) {
  color: #fff;
}

.itsb-dark a:not(.itsb-btn):hover {
  color: var(--itsb-accent-light);
}

/* ==========================================================================
   Abschnittskopf
   ========================================================================== */

.itsb-eyebrow {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-block: 0 1.5rem !important;
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--wp--preset--color--mute-500);
}

.itsb-eyebrow::before {
  content: "";
  flex: none;
  width: 1.75rem;
  height: 2px;
  background-color: var(--wp--preset--color--accent);
  transform: translateY(-0.25em);
}

.itsb-dark .itsb-eyebrow {
  color: var(--itsb-on-dark-mute);
}

.itsb-eyebrow__index {
  font-variant-numeric: tabular-nums;
  color: var(--itsb-accent-strong);
}

.itsb-dark .itsb-eyebrow__index {
  color: var(--itsb-accent-light);
}

.itsb-lead {
  font-size: var(--wp--preset--font-size--lead);
  line-height: 1.6;
  color: var(--wp--preset--color--mute-600);
}

.itsb-dark .itsb-lead {
  color: var(--itsb-on-dark-mute);
}

.itsb-measure {
  max-width: 46rem;
}

.itsb-measure-wide {
  max-width: 58rem;
}

/* ==========================================================================
   Buttons
   Kontraste: Navy/Weiß ≈ 15:1 · Orange/Navy ≈ 5,9:1 · beide AA.
   Orange mit weißem Text wäre nur 2,8:1 und wird deshalb nicht verwendet.
   ========================================================================== */

.itsb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color 0.18s var(--itsb-ease),
    border-color 0.18s var(--itsb-ease),
    color 0.18s var(--itsb-ease);
}

.itsb-btn:disabled,
.itsb-btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
}

.itsb-btn--primary {
  background-color: var(--wp--preset--color--ink-900);
  border-color: var(--wp--preset--color--ink-900);
  color: #fff;
}

.itsb-btn--primary:hover:not(:disabled) {
  background-color: var(--wp--preset--color--ink-700);
  border-color: var(--wp--preset--color--ink-700);
  color: #fff;
}

.itsb-btn--accent {
  background-color: var(--wp--preset--color--accent);
  border-color: var(--wp--preset--color--accent);
  color: #0a1626;
}

.itsb-btn--accent:hover:not(:disabled) {
  background-color: var(--itsb-accent-light);
  border-color: var(--itsb-accent-light);
  color: #0a1626;
}

.itsb-btn--outline {
  background-color: transparent;
  border-color: var(--itsb-line-strong);
  color: var(--wp--preset--color--ink-900);
}

.itsb-btn--outline:hover:not(:disabled) {
  border-color: var(--wp--preset--color--ink-900);
  background-color: var(--wp--preset--color--paper-soft);
}

.itsb-dark .itsb-btn--outline {
  border-color: var(--itsb-on-dark-line);
  color: #fff;
}

.itsb-dark .itsb-btn--outline:hover:not(:disabled) {
  border-color: var(--itsb-on-dark-mute);
  background-color: rgb(255 255 255 / 0.06);
}

.itsb-btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ==========================================================================
   Textlink mit Pfeil
   ========================================================================== */

.itsb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.1875rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--wp--preset--color--ink-700);
  border-bottom: 1px solid var(--itsb-line-strong);
  transition:
    color 0.18s var(--itsb-ease),
    border-color 0.18s var(--itsb-ease);
}

.itsb-link:hover {
  color: var(--itsb-accent-strong);
  border-color: var(--wp--preset--color--accent);
}

.itsb-dark .itsb-link {
  color: #fff;
  border-color: var(--itsb-on-dark-line);
}

.itsb-dark .itsb-link:hover {
  color: var(--itsb-accent-light);
  border-color: var(--itsb-accent-light);
}

.itsb-link::after {
  content: "";
  flex: none;
  width: 0.875rem;
  height: 0.5rem;
  background-color: currentColor;
  /* Pfeil als CSS-Maske: kein zusaetzlicher Request, faerbt mit currentColor */
  -webkit-mask: var(--itsb-arrow) center / contain no-repeat;
  mask: var(--itsb-arrow) center / contain no-repeat;
  transition: transform 0.18s var(--itsb-ease);
}

:root {
  --itsb-arrow: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='9'%3E%3Cpath fill='%23000' d='M0 4h12.6L9.3.7l.7-.7L15 5l-5 5-.7-.7 3.3-3.3H0z'/%3E%3C/svg%3E");
}

.itsb-link:hover::after {
  transform: translateX(3px);
}

/* Externer Link: Symbol statt Pfeil */
.itsb-link--external::after {
  width: 0.75rem;
  height: 0.75rem;
  -webkit-mask: var(--itsb-external) center / contain no-repeat;
  mask: var(--itsb-external) center / contain no-repeat;
}

:root {
  --itsb-external: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14'%3E%3Cpath fill='%23000' d='M5 1H1v12h12V9h-1.2v2.8H2.2V2.2H5zM8 1v1.2h2.9L6.1 7l.9.9 4.8-4.8V6H13V1z'/%3E%3C/svg%3E");
}

.itsb-link--external:hover::after {
  transform: none;
}

/* ==========================================================================
   Karten
   ========================================================================== */

.itsb-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  height: 100%;
  padding: 1.75rem 1.5rem 1.875rem;
  background-color: var(--wp--preset--color--paper);
  border: 1px solid var(--wp--preset--color--line);
  transition:
    border-color 0.2s var(--itsb-ease),
    background-color 0.2s var(--itsb-ease);
}

.itsb-card > * {
  margin-block: 0 !important;
}

.itsb-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 0;
  height: 2px;
  background-color: var(--wp--preset--color--accent);
  transition: width 0.25s var(--itsb-ease);
}

.itsb-card:hover {
  border-color: var(--itsb-line-strong);
}

.itsb-card:hover::before {
  width: 2.5rem;
}

.itsb-card__title {
  font-size: var(--wp--preset--font-size--h3);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.itsb-card__body {
  color: var(--wp--preset--color--mute-600);
}

.itsb-section--soft .itsb-card {
  background-color: var(--wp--preset--color--paper);
}

.itsb-dark .itsb-card {
  background-color: rgb(255 255 255 / 0.03);
  border-color: var(--itsb-on-dark-line);
}

.itsb-dark .itsb-card__body {
  color: var(--itsb-on-dark-mute);
}

.itsb-dark .itsb-card:hover {
  border-color: #3b5272;
}

/* ==========================================================================
   Nummerierte Schritte
   ========================================================================== */

.itsb-step {
  position: relative;
  padding-top: 2.5rem;
  border-top: 2px solid var(--wp--preset--color--ink-900);
}

.itsb-step > * {
  margin-block: 0 !important;
}

.itsb-step + .itsb-step {
  margin-top: 0;
}

.itsb-step__num {
  position: absolute;
  top: 0.75rem;
  left: 0;
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  color: var(--itsb-accent-strong);
}

.itsb-step__title {
  font-size: var(--wp--preset--font-size--h3);
  font-weight: 700;
  margin-bottom: 0.5rem !important;
}

.itsb-step__body {
  color: var(--wp--preset--color--mute-600);
}

.itsb-dark .itsb-step {
  border-top-color: var(--itsb-on-dark-mute);
}

.itsb-dark .itsb-step__num {
  color: var(--itsb-accent-light);
}

.itsb-dark .itsb-step__body {
  color: var(--itsb-on-dark-mute);
}

/* ==========================================================================
   Listen
   ========================================================================== */

.itsb-list {
  list-style: none;
  padding-left: 0;
  margin-block: 0;
}

.itsb-list li {
  position: relative;
  padding-left: 1.375rem;
  color: var(--wp--preset--color--mute-600);
}

.itsb-list li + li {
  margin-top: 0.5rem;
}

.itsb-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6875rem;
  width: 0.4375rem;
  height: 0.4375rem;
  background-color: var(--wp--preset--color--accent);
}

.itsb-dark .itsb-list li {
  color: var(--itsb-on-dark-mute);
}

.itsb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding-left: 0;
  margin-block: 0;
}

.itsb-tags li {
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--wp--preset--color--line);
  background-color: var(--wp--preset--color--paper-soft);
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 500;
  color: var(--wp--preset--color--mute-600);
}

.itsb-dark .itsb-tags li {
  border-color: var(--itsb-on-dark-line);
  background-color: rgb(255 255 255 / 0.04);
  color: var(--itsb-on-dark-mute);
}

/* ==========================================================================
   Hinweisboxen
   ========================================================================== */

.itsb-notice {
  border-left: 3px solid var(--wp--preset--color--accent);
  background-color: var(--wp--preset--color--accent-soft);
  padding: 1.125rem 1.25rem;
}

.itsb-notice > * {
  margin-block: 0 !important;
}

.itsb-notice__title {
  font-weight: 700;
  margin-bottom: 0.375rem !important;
}

.itsb-notice--neutral {
  border-left-color: var(--itsb-line-strong);
  background-color: var(--wp--preset--color--paper-soft);
  color: var(--wp--preset--color--mute-600);
}

.itsb-footnote {
  font-size: var(--wp--preset--font-size--meta);
  line-height: 1.6;
  color: var(--wp--preset--color--mute-500);
}

.itsb-dark .itsb-footnote {
  color: var(--itsb-on-dark-mute);
}

/* ==========================================================================
   Raster
   Die Rasterung erfolgt über WordPress' Grid-Layout (core/group mit
   layout.type = "grid"). Hier nur Feinheiten, die das Layout nicht abdeckt.
   ========================================================================== */

.itsb-grid > * {
  margin-block: 0 !important;
}

/* Zweispaltig, asymmetrisch: Kopf links, Inhalt rechts */
.itsb-split {
  display: grid;
  gap: 2.5rem;
}

.itsb-split > * {
  margin-block: 0 !important;
  min-width: 0;
}

@media (min-width: 62rem) {
  .itsb-split {
    grid-template-columns: minmax(0, 23rem) minmax(0, 1fr);
    gap: 4rem;
  }

  .itsb-split__sticky {
    position: sticky;
    top: calc(var(--itsb-header-height) + 2.5rem);
    align-self: start;
  }
}

/* ==========================================================================
   Hero
   ========================================================================== */

.itsb-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--wp--preset--color--ink-900);
  color: var(--itsb-on-dark-mute);
}

/* Sehr zurueckhaltende Tiefe: ein einzelner, weicher Lichtverlauf.
   Kein Bild, kein Video, kein Muster – nichts, was geladen werden muss. */
.itsb-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60rem 32rem at 12% -10%, rgb(23 55 94 / 0.55), transparent 70%),
    radial-gradient(40rem 24rem at 88% 8%, rgb(255 125 0 / 0.07), transparent 68%);
  pointer-events: none;
}

.itsb-hero > * {
  position: relative;
}

.itsb-hero__inner {
  padding-block: clamp(4rem, 11vw, 9.5rem);
}

.itsb-hero__kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-block: 0 2rem !important;
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--itsb-on-dark-mute);
}

.itsb-hero__kicker::before {
  content: "";
  width: 2.25rem;
  height: 2px;
  background-color: var(--wp--preset--color--accent);
}

.itsb-hero__title {
  margin-block: 0 !important;
  font-size: var(--wp--preset--font-size--display);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.035em;
  color: #fff;
}

/* Die drei Hero-Worte stehen in EINER h1, visuell gestaffelt */
.itsb-hero__title span {
  display: block;
}

.itsb-hero__title span:nth-child(2) {
  color: var(--itsb-on-dark-mute);
}

.itsb-hero__title span:nth-child(3) {
  color: var(--wp--preset--color--accent);
}

.itsb-hero__lead {
  max-width: 38rem;
  margin-block: 2rem 0 !important;
  font-size: var(--wp--preset--font-size--lead);
  line-height: 1.6;
  color: var(--itsb-on-dark-mute);
}

.itsb-hero__actions {
  margin-top: 2.75rem;
}

.itsb-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2rem;
  margin-block: 3.5rem 0 !important;
  padding-top: 1.75rem;
  border-top: 1px solid var(--itsb-on-dark-line);
  list-style: none;
  padding-left: 0;
  font-size: var(--wp--preset--font-size--meta);
  color: var(--itsb-on-dark-mute);
}

.itsb-hero__marks li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.itsb-hero__marks li::before {
  content: "";
  flex: none;
  width: 0.375rem;
  height: 0.375rem;
  background-color: var(--wp--preset--color--accent);
}

/* Seiten-Hero (alle Unterseiten): heller, ruhiger */
.itsb-pagehead {
  padding-block: clamp(3rem, 6vw, 5.5rem) clamp(2.5rem, 4vw, 3.5rem);
  border-bottom: 1px solid var(--wp--preset--color--line);
}

.itsb-pagehead__kicker {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-block: 0 1.5rem !important;
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--wp--preset--color--mute-500);
}

.itsb-pagehead__kicker::before {
  content: "";
  width: 2.25rem;
  height: 2px;
  background-color: var(--wp--preset--color--accent);
}

.itsb-pagehead__title {
  max-width: 54rem;
  margin-block: 0 !important;
  font-size: var(--wp--preset--font-size--h1);
}

.itsb-pagehead__lead {
  max-width: 44rem;
  margin-block: 1.5rem 0 !important;
  font-size: var(--wp--preset--font-size--lead);
  line-height: 1.6;
  color: var(--wp--preset--color--mute-600);
}

/* ==========================================================================
   Kopfbereich
   ========================================================================== */

.itsb-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--wp--preset--color--line);
  background-color: rgb(255 255 255 / 0.92);
  backdrop-filter: blur(10px);
}

.itsb-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-width: 0;
  min-height: var(--itsb-header-height);
}

.itsb-nav {
  min-width: 0;
}

.itsb-header__right {
  display: flex;
  flex: none;
  align-items: center;
  gap: 0.75rem;
}

/* Wortmarke – typografisch gesetzt, da (noch) kein Logo für die
   Dachmarke vorliegt. Siehe CONTENT_REVIEW.md. */
.itsb-brand {
  display: inline-flex;
  flex: none;
  align-items: baseline;
  gap: 0.4375rem;
  padding-block: 0.5rem;
  line-height: 1;
  text-decoration: none;
}

.itsb-brand__name {
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--wp--preset--color--ink-900);
}

.itsb-brand__mark {
  width: 2px;
  height: 0.8125rem;
  transform: translateY(1px);
  background-color: var(--wp--preset--color--accent);
}

.itsb-brand__suffix {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--wp--preset--color--mute-500);
}

/* Die Wortmarke steht auch im Fußbereich auf dunklem Grund. Ohne diese
   Regel bliebe sie dort Navy auf Navy und damit unsichtbar. */
.itsb-dark .itsb-brand__name,
.itsb-footer .itsb-brand__name {
  color: #fff;
}

.itsb-dark .itsb-brand__suffix,
.itsb-footer .itsb-brand__suffix {
  color: var(--itsb-on-dark-mute);
}

@media (min-width: 40rem) {
  .itsb-brand__name {
    font-size: 1.125rem;
  }

  .itsb-brand__suffix {
    font-size: 0.75rem;
  }
}

/* Hauptnavigation (Desktop) */
.itsb-nav {
  display: none;
}

.itsb-nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.itsb-nav__link {
  position: relative;
  display: block;
  padding-block: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--wp--preset--color--ink-800);
  transition: color 0.18s var(--itsb-ease);
}

.itsb-nav__link:hover {
  color: var(--itsb-accent-strong);
}

.itsb-nav__link::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--wp--preset--color--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s var(--itsb-ease);
}

.itsb-nav__link[aria-current="page"] {
  color: var(--wp--preset--color--ink-900);
}

.itsb-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

/* Umbruchpunkt 75rem statt 62rem: Die deutschen Menuepunkte sind lang;
   darunter wuerde die Kopfzeile horizontal ueberlaufen. */
@media (min-width: 75rem) {
  .itsb-nav {
    display: block;
  }
}

/* Sprachumschalter */
.itsb-lang__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
  font-weight: 600;
}

.itsb-lang__item {
  display: flex;
  align-items: center;
}

.itsb-lang__sep {
  margin-right: 0.25rem;
  color: var(--wp--preset--color--mute-500);
}

.itsb-lang__link,
.itsb-lang__current {
  padding: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.itsb-lang__current {
  color: var(--wp--preset--color--ink-900);
}

.itsb-lang__link {
  color: var(--wp--preset--color--mute-500);
  transition: color 0.18s var(--itsb-ease);
}

.itsb-lang__link:hover {
  color: var(--itsb-accent-strong);
}

/* Header-CTA */
.itsb-header__cta {
  display: none;
  min-height: 2.625rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
}

@media (min-width: 75rem) {
  .itsb-header__cta {
    display: inline-flex;
  }
}

/* Menue-Umschalter (mobil) */
.itsb-burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-right: -0.5rem;
  padding: 0;
  border: 0;
  background: none;
  color: var(--wp--preset--color--ink-900);
  cursor: pointer;
}

@media (min-width: 75rem) {
  .itsb-burger {
    display: none;
  }
}

.itsb-burger__icon {
  position: relative;
  display: block;
  width: 1.25rem;
  height: 0.875rem;
}

.itsb-burger__icon span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  transition:
    transform 0.2s var(--itsb-ease),
    opacity 0.15s var(--itsb-ease);
}

.itsb-burger__icon span:nth-child(1) {
  top: 0;
}

.itsb-burger__icon span:nth-child(2) {
  top: 0.375rem;
}

.itsb-burger__icon span:nth-child(3) {
  top: 0.75rem;
}

.itsb-burger[aria-expanded="true"] .itsb-burger__icon span:nth-child(1) {
  transform: translateY(0.375rem) rotate(45deg);
}

.itsb-burger[aria-expanded="true"] .itsb-burger__icon span:nth-child(2) {
  opacity: 0;
}

.itsb-burger[aria-expanded="true"] .itsb-burger__icon span:nth-child(3) {
  transform: translateY(-0.375rem) rotate(-45deg);
}

/* Mobiles Menue */
.itsb-mobilenav {
  border-top: 1px solid var(--wp--preset--color--line);
  background-color: var(--wp--preset--color--paper);
}

.itsb-mobilenav[hidden] {
  display: none;
}

@media (min-width: 75rem) {
  .itsb-mobilenav {
    display: none !important;
  }
}

.itsb-mobilenav__list {
  list-style: none;
  margin: 0;
  padding: 0.5rem 0 0;
}

.itsb-mobilenav__list li + li {
  border-top: 1px solid var(--itsb-line-soft);
}

.itsb-mobilenav__link {
  display: flex;
  align-items: center;
  min-height: 3.25rem;
  font-size: 1.0625rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--wp--preset--color--ink-900);
}

.itsb-mobilenav__link[aria-current="page"] {
  color: var(--itsb-accent-strong);
}

.itsb-mobilenav__cta {
  width: 100%;
  margin: 1rem 0 1.25rem;
}

/* ==========================================================================
   Fußbereich
   ========================================================================== */

.itsb-footer {
  background-color: var(--wp--preset--color--ink-900);
  color: var(--itsb-on-dark-mute);
}

.itsb-footer__main {
  display: grid;
  gap: 3rem;
  padding-block: 3.5rem;
}

@media (min-width: 48rem) {
  .itsb-footer__main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 62rem) {
  .itsb-footer__main {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 2.5rem;
    padding-block: 5rem;
  }
}

.itsb-footer__brand {
  max-width: 22rem;
}

.itsb-footer__tagline {
  margin-top: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.65;
}

.itsb-footer__place {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: var(--wp--preset--font-size--meta);
}

.itsb-footer__place::before {
  content: "";
  width: 1rem;
  height: 2px;
  background-color: var(--wp--preset--color--accent);
}

.itsb-footer__heading {
  margin-bottom: 1rem;
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
}

.itsb-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.9375rem;
}

.itsb-footer__list li + li {
  margin-top: 0.125rem;
}

/* Mindestgröße für Zeigerziele nach WCAG 2.2 (SC 2.5.8, 24 x 24 px).
   Die Linkzeilen sind nur rund 19 px hoch; die Innenabstände heben sie
   auf 29 px, ohne das Layout sichtbar zu verändern. */
.itsb-footer a {
  display: inline-block;
  padding-block: 0.3125rem;
  color: var(--itsb-on-dark-mute);
  text-decoration: none;
  transition: color 0.18s var(--itsb-ease);
}

.itsb-footer a:hover {
  color: #fff;
  text-decoration: underline;
}

.itsb-footer__address {
  font-style: normal;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.itsb-footer__address strong {
  display: block;
  font-weight: 600;
  color: #fff;
}

.itsb-footer__note,
.itsb-footer__bottom {
  border-top: 1px solid var(--itsb-on-dark-line);
  padding-block: 1.5rem;
  font-size: var(--wp--preset--font-size--meta);
  line-height: 1.6;
}

.itsb-footer__note p {
  max-width: 60rem;
}

.itsb-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 40rem) {
  .itsb-footer__bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.itsb-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ==========================================================================
   Unternehmensbereiche
   ========================================================================== */

.itsb-unit {
  display: grid;
  gap: 1.75rem;
  padding-block: clamp(2.5rem, 4vw, 3.5rem);
  border-top: 1px solid var(--wp--preset--color--line);
}

.itsb-unit > * {
  margin-block: 0 !important;
  min-width: 0;
}

@media (min-width: 62rem) {
  .itsb-unit {
    grid-template-columns: minmax(0, 20rem) minmax(0, 1fr);
    gap: 3.5rem;
  }
}

.itsb-unit__name {
  font-size: var(--wp--preset--font-size--h2);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.itsb-unit__type {
  margin-top: 0.625rem !important;
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--itsb-accent-strong);
}

.itsb-unit__claim {
  font-size: var(--wp--preset--font-size--lead);
  font-weight: 600;
  line-height: 1.5;
  color: var(--wp--preset--color--ink-900);
}

.itsb-unit__body {
  margin-top: 1rem !important;
  color: var(--wp--preset--color--mute-600);
}

/* ==========================================================================
   Personen
   ========================================================================== */

.itsb-member {
  padding-top: 1.75rem;
  border-top: 2px solid var(--wp--preset--color--ink-900);
}

.itsb-member > * {
  margin-block: 0 !important;
}

.itsb-member__name {
  font-size: var(--wp--preset--font-size--h3);
  font-weight: 700;
}

.itsb-member__role {
  margin-top: 0.375rem !important;
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--itsb-accent-strong);
}

.itsb-member__body {
  margin-top: 1rem !important;
  color: var(--wp--preset--color--mute-600);
}

/* ==========================================================================
   CTA-Band
   ========================================================================== */

.itsb-cta {
  background-color: var(--wp--preset--color--ink-900);
  color: var(--itsb-on-dark-mute);
}

.itsb-cta__inner {
  display: grid;
  gap: 2rem;
  padding-block: clamp(3rem, 6vw, 5rem);
}

@media (min-width: 62rem) {
  .itsb-cta__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: center;
    gap: 4rem;
  }
}

.itsb-cta__inner > * {
  margin-block: 0 !important;
  min-width: 0;
}

.itsb-cta__heading {
  font-size: var(--wp--preset--font-size--h2);
  color: #fff;
}

.itsb-cta__body {
  margin-top: 1.25rem !important;
  font-size: var(--wp--preset--font-size--lead);
  line-height: 1.6;
}

/* ==========================================================================
   Kontakt
   ========================================================================== */

.itsb-contact {
  display: grid;
  gap: 3rem;
}

@media (min-width: 62rem) {
  .itsb-contact {
    grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
    gap: 4.5rem;
    align-items: start;
  }
}

.itsb-contact > * {
  min-width: 0;
}

.itsb-dl {
  margin: 0;
  border-top: 1px solid var(--itsb-line-soft);
}

.itsb-dl > div {
  display: grid;
  gap: 0.125rem;
  padding-block: 0.875rem;
  border-bottom: 1px solid var(--itsb-line-soft);
}

@media (min-width: 30rem) {
  .itsb-dl > div {
    grid-template-columns: 9rem minmax(0, 1fr);
    gap: 1rem;
  }
}

.itsb-dl dt {
  font-weight: 600;
  color: var(--wp--preset--color--ink-900);
}

.itsb-dl dd {
  margin: 0;
  color: var(--wp--preset--color--mute-600);
}

/* Telefon- und E-Mail-Links: ebenfalls auf Mindestgröße anheben. */
.itsb-dl dd a {
  display: inline-block;
  padding-block: 0.25rem;
}

/* ==========================================================================
   Formular
   ========================================================================== */

.itsb-form {
  max-width: 44rem;
}

.itsb-form__grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 40rem) {
  .itsb-form__grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.itsb-field label {
  display: block;
  margin-bottom: 0.4375rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.itsb-field__hint {
  font-weight: 400;
  color: var(--wp--preset--color--mute-500);
}

.itsb-field__req {
  color: var(--itsb-accent-strong);
}

.itsb-input,
.itsb-select,
.itsb-textarea {
  display: block;
  width: 100%;
  min-height: 3rem;
  padding: 0.6875rem 0.875rem;
  border: 1px solid var(--itsb-line-strong);
  border-radius: 0;
  background-color: var(--wp--preset--color--paper);
  color: var(--wp--preset--color--ink-900);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.18s var(--itsb-ease);
}

.itsb-input::placeholder,
.itsb-textarea::placeholder {
  color: #8a93a6;
}

.itsb-input:hover,
.itsb-select:hover,
.itsb-textarea:hover {
  border-color: #8a93a6;
}

.itsb-textarea {
  min-height: 9.5rem;
  resize: vertical;
}

.itsb-select {
  appearance: none;
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' fill='none' stroke='%235A6478' stroke-width='1.8'%3E%3Cpath d='M1 1l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9375rem center;
}

.itsb-input[aria-invalid="true"],
.itsb-select[aria-invalid="true"],
.itsb-textarea[aria-invalid="true"] {
  border-color: #b42318;
  border-width: 2px;
}

.itsb-field__error {
  display: block;
  margin-top: 0.375rem;
  font-size: var(--wp--preset--font-size--meta);
  font-weight: 500;
  color: #b42318;
}

.itsb-field__error:empty {
  display: none;
}

.itsb-consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.itsb-consent input[type="checkbox"] {
  flex: none;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.25rem;
  accent-color: var(--wp--preset--color--ink-900);
}

.itsb-consent label {
  margin-bottom: 0;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--wp--preset--color--mute-600);
}

/* Honeypot: fuer Menschen und Screenreader unsichtbar, fuer Bots sichtbar.
   Bewusst kein display:none – manche Bots ignorieren das. */
.itsb-hp {
  position: absolute !important;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.itsb-form__status {
  margin-bottom: 1.5rem;
}

.itsb-form__status:empty {
  display: none;
}

.itsb-alert {
  padding: 1.125rem 1.25rem;
  border-left: 3px solid;
}

.itsb-alert > * {
  margin-block: 0 !important;
}

.itsb-alert__title {
  font-weight: 700;
  margin-bottom: 0.375rem !important;
}

.itsb-alert--ok {
  border-left-color: #0f7b3f;
  background-color: #eefaf2;
}

.itsb-alert--error {
  border-left-color: #b42318;
  background-color: #fef3f2;
}

/* ==========================================================================
   Rechtstexte
   ========================================================================== */

.itsb-legal {
  max-width: 68ch;
}

.itsb-legal h2 {
  margin-top: 3rem;
  font-size: var(--wp--preset--font-size--h3);
}

.itsb-legal h2:first-child {
  margin-top: 0;
}

.itsb-legal h3 {
  margin-top: 1.75rem;
  font-size: 1.0625rem;
}

.itsb-legal p,
.itsb-legal ul,
.itsb-legal .itsb-dl {
  margin-top: 1rem;
  color: var(--wp--preset--color--mute-600);
}

.itsb-legal a {
  color: var(--wp--preset--color--ink-700);
}

.itsb-legal__updated {
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--wp--preset--color--line);
  font-size: var(--wp--preset--font-size--meta);
  color: var(--wp--preset--color--mute-500);
}

/* ==========================================================================
   404
   ========================================================================== */

.itsb-404 {
  padding-block: clamp(4rem, 9vw, 8rem);
}

.itsb-404__code {
  font-size: var(--wp--preset--font-size--display);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--wp--preset--color--line);
}

/* ==========================================================================
   Druck
   ========================================================================== */

@media print {
  .itsb-header,
  .itsb-footer,
  .itsb-cta,
  .itsb-form,
  .itsb-skip-link {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.75em;
    word-break: break-all;
  }
}

/* ==========================================================================
   Container
   Breite und Innenabstand sind absichtlich identisch zur Einstellung in
   theme.json (styles.spacing.padding + settings.layout.contentSize), damit
   die in PHP gerenderten Bereiche (Kopf, Fuß, Formular) pixelgenau auf der
   gleichen Rasterkante sitzen wie die Blockinhalte.
   ========================================================================== */

:root {
  --itsb-pad: clamp(1.25rem, 4vw, 3.5rem);
  --itsb-max: 1240px;
}

.itsb-container {
  width: 100%;
  max-width: calc(var(--itsb-max) + 2 * var(--itsb-pad));
  margin-inline: auto;
  padding-inline: var(--itsb-pad);
}