/* ==========================================================================
   components.css – Wiederverwendbare Bausteine
   Header/Nav, Hero, Karten, Team-Rauten, Themen-Akkordeon, Formular, Footer
   ========================================================================== */

/* --------------------------------------------------------------------------
   Header + Navigation (mobil: CSS-only-Toggle über Checkbox, kein JS nötig)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-height: 4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  text-decoration: none;
  color: var(--color-text);
  white-space: nowrap;
}

.brand:hover {
  color: var(--color-green);
}

.brand__logo {
  width: 2.25rem;
  height: 2.25rem;
}

.nav-toggle {
  position: absolute;
  opacity: 0;
}

.nav-toggle-label {
  display: none;
  margin-left: auto;
  padding: var(--space-2);
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle-label__bars {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-text);
  box-shadow: 0 -7px 0 var(--color-text), 0 7px 0 var(--color-text);
}

.site-nav {
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
}

.site-nav__link {
  position: relative;
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--fs-base);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.35em;
  height: 2px;
  background: var(--color-teal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.site-nav__link:hover,
.site-nav__link[aria-current="true"],
.site-nav__link[aria-current="page"] {
  color: var(--color-green);
}

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

/* Kontrast-Umschalter im Header */
.contrast-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.4em 0.85em;
  font: inherit;
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-text);
  background: transparent;
  border: 2px solid var(--color-text);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.contrast-toggle:hover,
.contrast-toggle[aria-pressed="true"] {
  background: var(--color-text);
  color: var(--color-bg);
}

.contrast-toggle__icon {
  width: 1em;
  height: 1em;
  border: 2px solid currentColor;
  border-radius: 50%;
  background: linear-gradient(90deg, currentColor 50%, transparent 50%);
}

@media (max-width: 47.9375rem) {
  .nav-toggle-label {
    display: grid;
    place-items: center;
    width: 2.75rem;
    height: 2.75rem;
    order: 3;
    margin-left: 0;
  }

  .site-header__inner {
    gap: var(--space-2);
  }

  /* Kompakter Icon-Button auf schmalen Screens (Wort "Kontrast" ausblenden) */
  .contrast-toggle {
    order: 2;
    margin-left: auto;
    padding: 0.5rem;
    gap: 0;
  }

  .contrast-toggle__label {
    display: none;
  }

  .nav-toggle:focus-visible + .nav-toggle-label {
    outline: 3px solid var(--color-focus);
    outline-offset: 2px;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
  }

  .nav-toggle:checked ~ .site-nav {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
    padding: var(--space-2) 0;
  }

  .site-nav__link {
    display: block;
    padding: var(--space-3) clamp(1rem, 4vw, 2rem);
    font-size: var(--fs-base);
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.button {
  display: inline-block;
  padding: 0.75em 1.75em;
  border: 0;
  border-radius: 999px;
  background: var(--color-orange);
  color: var(--color-text-invert);
  font-family: inherit;
  font-size: var(--fs-base);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--transition-fast),
              transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

.button:hover {
  background: var(--color-text);
  color: var(--color-text-invert);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  display: grid;
  place-items: center;
  min-height: calc(100vh - 4rem);
  min-height: calc(100svh - 4rem);
  background: var(--color-bg-soft);
  background-image: var(--gradient-hero);
  text-align: center;
  padding-block: var(--space-6);
}

.hero .wrap {
  position: relative;
}

/* Dekorative Rauten – statisch und dezent (im Kontrast-Thema ausgeblendet) */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  width: 24rem;
  height: 24rem;
  border: 1.7rem solid var(--color-teal);
  border-radius: var(--radius-diamond);
  transform: rotate(45deg);
  opacity: 0.1;
  pointer-events: none;
}

.hero::before {
  top: -9rem;
  left: -10rem;
}

.hero::after {
  bottom: -10rem;
  right: -9rem;
  border-color: var(--color-orange);
}

.hero__claim {
  font-size: calc(var(--fs-hero) * 1.2); /* Hero-Titel zusätzlich größer (~150 %) */
  font-weight: 800;
  line-height: var(--lh-tight);
  margin-bottom: var(--space-4);
}

.hero__subtitle {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  max-width: 36rem;
  margin: 0 auto;
}

/* Scroll-Hinweis am unteren Rand des Hero */
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  color: var(--color-text);
  opacity: 0.55;
  text-decoration: none;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.hero__scroll:hover,
.hero__scroll:focus-visible {
  opacity: 1;
  color: var(--color-green);
}

.hero__scroll-chevron {
  width: 0.95rem;
  height: 0.95rem;
  border-right: 3px solid currentColor;
  border-bottom: 3px solid currentColor;
  transform: rotate(45deg);
  animation: hero-scroll 1.8s ease-in-out infinite;
}

@keyframes hero-scroll {
  0%, 100% { translate: 0 -0.15rem; }
  50%      { translate: 0 0.2rem; }
}

.theme-contrast .hero__scroll {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   Über uns
   -------------------------------------------------------------------------- */
.about__lead {
  font-size: var(--fs-md);
  font-weight: 700;
  max-width: var(--content-narrow);
  margin-bottom: var(--space-4);
}

.about__text {
  max-width: var(--content-narrow);
  margin-bottom: var(--space-3);
}

.about__closing {
  font-weight: 700;
  max-width: var(--content-narrow);
  margin-top: var(--space-4);
}

/* --------------------------------------------------------------------------
   Expertisen-Karten (4 Kästen auf dunklem Grund)
   -------------------------------------------------------------------------- */
.section--expertise {
  background: #141414; /* tiefes Fast-Schwarz */
  color: var(--color-text-invert);
  /* zusätzlicher Platz für die versetzte rechte Spalte */
  padding-bottom: calc(var(--space-section) + 2.5rem);
}

.card-grid {
  display: grid;
  gap: var(--space-4);
}

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

  /* Leichter Versatz für dynamischere Wirkung: rechte Spalte tiefer */
  .section--expertise .card-grid > .card:nth-child(even) {
    transform: translateY(2.5rem);
  }
}

.card {
  background: var(--color-bg-card);
  color: var(--color-text);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.card__marker {
  width: 2.5rem;
  height: 2.5rem;
  border: 0.375rem solid;
  border-radius: var(--radius-diamond);
  transform: rotate(45deg);
  margin: var(--space-2) 0 var(--space-3) var(--space-2);
}

.card--orange .card__marker { border-color: var(--color-orange); }
.card--green  .card__marker { border-color: var(--color-green); }
.card--teal   .card__marker { border-color: var(--color-teal); }
.card--gold   .card__marker { border-color: var(--color-gold); }

.card__title {
  font-size: var(--fs-md);
  margin-bottom: var(--space-3);
}

.card__list {
  padding-left: 1.2em;
  font-size: var(--fs-sm);
}

.card__list li + li {
  margin-top: var(--space-2);
}

/* --------------------------------------------------------------------------
   Team (rautenförmige Fotos mit farbigem Rahmen)
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  gap: var(--space-5);
}

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

@media (min-width: 72rem) {
  .team-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
}

.team-member {
  text-align: center;
}

/* Raute: rotierter Container, Bild gegenrotiert und skaliert */
.diamond {
  width: min(11rem, 55vw);
  aspect-ratio: 1;
  margin: 1.5rem auto 2.5rem;
  transform: rotate(45deg);
  overflow: hidden;
  border: 0.45rem solid;
  border-radius: var(--radius-diamond);
}

.diamond > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: rotate(-45deg) scale(1.45);
}

.team-member--green  .diamond { border-color: var(--color-green); }
.team-member--gold   .diamond { border-color: var(--color-gold); }
.team-member--teal   .diamond { border-color: var(--color-teal); }
.team-member--orange .diamond { border-color: var(--color-orange); }

.team-member__name {
  font-size: var(--fs-md);
}

.team-member__role {
  font-weight: 600;
  color: var(--color-text-muted);
  margin-block: var(--space-1) var(--space-3);
}

.team-member__facts {
  list-style: none;
  padding: 0;
  font-size: var(--fs-sm);
  text-align: center;
}

.team-member__facts li + li {
  margin-top: var(--space-1);
}

/* --------------------------------------------------------------------------
   Themen (8 aufklappbare Kästen, natives <details> – ohne JS nutzbar)
   -------------------------------------------------------------------------- */
.section--topics {
  background: var(--color-bg-soft);
}

.topics-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(min(20rem, 100%), 1fr));
  align-items: start;
}

.topic {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.topic:hover,
.topic[open] {
  border-color: var(--color-teal);
}

.topic[open] .topic__body {
  animation: topic-in 0.3s ease;
}

@keyframes topic-in {
  from {
    opacity: 0;
    translate: 0 -0.4rem;
  }
}

.topic__summary {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  min-height: 7.25rem;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  font-weight: 700;
  font-size: var(--fs-md);
  line-height: var(--lh-tight);
  list-style: none;
}

.topic__summary::-webkit-details-marker {
  display: none;
}

.topic__heading {
  display: flex;
  flex-direction: column;
  gap: 0.2em;
  min-width: 0; /* erlaubt dem Titel, innerhalb der Kachel umzubrechen */
}

.topic__name {
  overflow-wrap: break-word;
  hyphens: auto;
}

.topic__kind {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text-muted);
}

.topic__marker {
  flex: 0 0 auto;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  border: 0.25rem solid var(--color-teal);
  border-radius: var(--radius-diamond);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}

.topic[open] .topic__marker {
  transform: rotate(135deg);
  border-color: var(--color-orange);
}

.topic__body {
  padding: 0 var(--space-4) var(--space-4);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Textseiten (Impressum, Datenschutz): dokumenttypische Typografie
   Kleinere Überschriften als auf der Startseite + echte Abstände, da der
   Reset alle Margins entfernt und Markdown ohne Klassen ausgeliefert wird.
   -------------------------------------------------------------------------- */
.page-text {
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-text h1 {
  font-size: 1.9rem;
  margin-bottom: var(--space-4);
}

.page-text h2 {
  font-size: 1.3rem;
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
}

.page-text h3 {
  font-size: 1.1rem;
  margin-top: var(--space-4);
  margin-bottom: var(--space-2);
}

.page-text p,
.page-text ul,
.page-text ol {
  margin-bottom: var(--space-3);
}

.page-text ul,
.page-text ol {
  padding-left: 1.4em;
}

.page-text li + li {
  margin-top: var(--space-1);
}

.page-text em {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Themen-Detailseite
   -------------------------------------------------------------------------- */
.page-header {
  background: var(--color-bg-soft);
  padding-block: var(--space-5);
}

.page-header__kicker {
  font-size: var(--fs-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-green);
  margin-bottom: var(--space-2);
}

.page-header__subtitle {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.breadcrumb {
  font-size: var(--fs-sm);
  margin-bottom: var(--space-3);
}

.detail-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-5);
  align-items: center;
}

.detail-row > * {
  min-width: 0;
}

.detail-row + .detail-row {
  margin-top: var(--space-6);
}

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

  .detail-row--flip .detail-row__media {
    order: -1;
  }
}

.detail-row__title {
  margin-bottom: var(--space-3);
}

.detail-row__media {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.detail-row__media > img,
.detail-row__media > svg {
  width: 100%;
  height: auto;
}

/* Liste mit Rauten-Aufzählungszeichen */
.diamond-list {
  list-style: none;
  padding: 0;
}

.diamond-list li {
  position: relative;
  padding-left: 1.6em;
}

.diamond-list li + li {
  margin-top: var(--space-2);
}

.diamond-list li::before {
  content: "";
  position: absolute;
  left: 0.2em;
  top: 0.42em;
  width: 0.55em;
  height: 0.55em;
  border: 0.15em solid var(--color-teal);
  border-radius: 20%;
  transform: rotate(45deg);
}

.diamond-list--gold li::before   { border-color: var(--color-gold); }
.diamond-list--green li::before  { border-color: var(--color-green); }
.diamond-list--orange li::before { border-color: var(--color-orange); }

/* "Der Rahmen": drei Fakten-Karten */
.facts-title {
  margin-top: var(--space-6);
}

.facts-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

@media (min-width: 48rem) {
  .facts-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.fact {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.fact__title {
  font-size: var(--fs-md);
  margin-bottom: var(--space-2);
}

.fact p,
.fact ul {
  font-size: var(--fs-sm);
}

/* Abschluss-Band mit Handlungsaufforderung */
.cta-band {
  background: var(--color-green);
  color: var(--color-text-invert);
  text-align: center;
  padding-block: var(--space-5);
}

.cta-band__title {
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   Kontakt + Formular
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(20rem, 100%), 1fr));
}

.contact-details p + p {
  margin-top: var(--space-3);
}

.form__field {
  margin-bottom: var(--space-3);
}

.form__label {
  display: block;
  font-weight: 600;
  font-size: var(--fs-sm);
  margin-bottom: var(--space-1);
}

.form__input {
  width: 100%;
  padding: 0.65em 0.9em;
  font: inherit;
  color: inherit;
  background: var(--color-bg);
  border: 1px solid var(--color-text-muted);
  border-radius: var(--radius-sm);
}

.form__input:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 1px;
}

textarea.form__input {
  resize: vertical;
  min-height: 8rem;
}

/* Honeypot-Feld: für Menschen unsichtbar, für Bots verlockend */
.form__field--hp {
  position: absolute;
  left: -624.9375rem;
}

.form__note {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-text);
  color: var(--color-text-invert);
  padding-block: var(--space-5);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  align-items: center;
  justify-content: space-between;
}

.site-footer a {
  color: var(--color-teal);
}

.site-footer a:hover {
  color: var(--color-text-invert);
}

.site-footer__nav {
  display: flex;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
}

/* --------------------------------------------------------------------------
   Kontrastreiches Thema: strukturelle Verstärkungen
   (Farb-/Schrift-Tokens kommen aus tokens.css)
   -------------------------------------------------------------------------- */
.theme-contrast .site-header {
  background: var(--color-bg);
  backdrop-filter: none;
  border-bottom-width: 2px;
}

.theme-contrast a {
  text-decoration-thickness: 2px;
}

.theme-contrast .site-nav__link {
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.theme-contrast .hero::before,
.theme-contrast .hero::after {
  display: none;
}

.theme-contrast .button {
  background: var(--color-text);
  color: var(--color-bg);
  border: 2px solid var(--color-text);
}

.theme-contrast .button:hover,
.theme-contrast .button:focus-visible {
  background: var(--color-bg);
  color: var(--color-text);
  transform: none;
}

.theme-contrast .card,
.theme-contrast .topic,
.theme-contrast .fact,
.theme-contrast .detail-row__media {
  border: 2px solid var(--color-text);
}

.theme-contrast .card:hover,
.theme-contrast .topic:hover {
  transform: none;
}

.theme-contrast .site-footer a,
.theme-contrast .section--expertise a,
.theme-contrast .cta-band a {
  color: var(--color-text-invert);
}

.theme-contrast .team-member__role,
.theme-contrast .topic__body {
  color: var(--color-text);
}