/* ============================================================
   about.css – Seite "Über uns" / "About us"
   Ladereihenfolge: bootstrap → basics → frontpage → about
   Aus frontpage.css kommen die Hero-Badges (.badges, .slogan).
   ============================================================ */

.main-section-about {
  color: var(--text-black);
}

.main-section-about h2 {
  font-family: var(--font-condensed);
  font-weight: 700;
  font-size: 30px;
  letter-spacing: .5px;
  margin-bottom: 28px;
}

.main-section-about section {
  padding: 60px 0;
}

.main-section-about .container {
  max-width: 1140px;
}

/* basics.css nimmt .container auf schmalen Bildschirmen den Innenabstand */
.main-section-about section > .container {
  padding-inline: 16px;
}

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

/* Ab 1024px liegt die Kopfzeile fixiert ueber der Seite. Der Entwurf setzt
   sie weiss vom Bild ab, statt sie wie auf der Startseite darueberzulegen.
   Der Logo-Schriftzug ragt unter der 73px hohen Kopfzeile heraus (gemessen
   bis 107px bei 900px, bis 122px ab 1024px) -- das Bild beginnt darunter. */
@media (min-width: 768px) and (max-width: 1023.98px) {
  .main-section-about { padding-top: 45px; }
}

@media (min-width: 1024px) {
  #about-us .container-top-menu { background-color: #fff; }
  .main-section-about { padding-top: 135px; }
}

.main-section-about .about-hero-section {
  padding: 0;
}

.main-section-about .about-hero-section > .container {
  max-width: none;
  padding-inline: 0;
}

.about-hero {
  position: relative;
  padding-top: 304px;
  background: url(/assets/img/images/ueber_uns_hero_960.webp) center 40% / cover no-repeat;
  background-image: image-set(url(/assets/img/images/ueber_uns_hero_960.avif) type("image/avif"),
                              url(/assets/img/images/ueber_uns_hero_960.webp) type("image/webp"));
  border-bottom: 6px solid var(--text-black);
}

/* Punktraster aus dem Entwurf */
.about-hero::after,
.about-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(40, 40, 40, .45) 1.3px, transparent 1.8px);
  background-size: 6px 6px;
  pointer-events: none;
}

.about-hero .badges {
  z-index: 1;
}

@media (min-width: 576px) {
  .about-hero { padding-top: 520px; }
}

@media (min-width: 768px) {
  .about-hero {
    margin-bottom: 70px;
    padding-top: 560px;
    background-image: image-set(url(/assets/img/images/ueber_uns_hero_1920.avif) type("image/avif"),
                                url(/assets/img/images/ueber_uns_hero_1920.webp) type("image/webp"));
  }
}

@media (min-width: 1024px) {
  .about-hero {
    padding-top: 600px;
    text-align: center;
  }
}

/* ==== Einleitung ============================================ */

.about-intro .container {
  max-width: 900px;
}

.about-lead {
  font-size: 20px;
  line-height: 1.6;
}

.about-fact {
  border-left: 5px solid var(--bg-cegreen);
  padding: 4px 0 4px 18px;
  font-size: 18px;
}

.about-fact sup a {
  color: var(--bg-ceblue);
  text-decoration: none;
}

/* ==== Kacheln ================================================ */

.about-tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  max-width: 560px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .about-tiles {
    grid-template-columns: 1fr 1fr;
    max-width: 1000px;
  }
}

.about-tile {
  color: #fff;
  text-align: center;
  padding: 32px 40px 40px;
  box-shadow: 0 3px 8px rgba(0, 0, 0, .18);
}

.about-tile h2 {
  font-size: 19px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  margin: 14px 0 16px;
}

.about-tile p {
  font-size: 15.5px;
  line-height: 1.5;
  margin: 0;
}

.about-tile a {
  color: #fff;
}

.about-tile-icon {
  width: 48px;
  height: 48px;
  fill: none;
  stroke: #fff;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tile-firma       { background-color: var(--bg-ceocker); }
.tile-team        { background-color: var(--bg-cegreen); }
.tile-ziel        { background-color: #44546a; }
.tile-kooperation { background-color: var(--bg-ceblue); }

/* ==== Geschichte ============================================= */

.about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

@media (min-width: 992px) {
  .about-timeline {
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
  }
}

.about-timeline li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

@media (min-width: 992px) {
  .about-timeline li {
    flex-direction: column;
    gap: 12px;
  }
}

.about-year {
  flex: 0 0 auto;
  display: inline-block;
  background-color: var(--bg-cegreen);
  color: #fff;
  font-weight: 700;
  font-style: italic;
  font-size: 20px;
  padding: 6px 16px;
  border-radius: 5px;
  transform: skewX(345deg);
  box-shadow: 2px 2px .0125em .0125rem rgb(53, 124, 64);
}

.about-year > span {
  display: inline-block;
  transform: skewX(15deg);
}

.about-timeline p {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
}

/* ==== Qualifikationen ======================================== */

.about-qualifications {
  background-color: #f4f6f8;
}

.about-cert-list {
  list-style: none;
  padding: 0;
  margin: 0 0 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.about-cert-list li {
  background: #fff;
  border: 1px solid #dde2e7;
  border-radius: 4px;
  padding: 8px 14px;
  font-size: 15px;
}

.about-cert-list strong {
  color: var(--bg-ceblue);
}

/* ==== Bildband =============================================== */

.about-band {
  position: relative;
  height: clamp(260px, 42vw, 760px);
  background: url(/assets/img/images/ueber_uns_band_960.webp) center 55% / cover no-repeat;
  background-image: image-set(url(/assets/img/images/ueber_uns_band_960.avif) type("image/avif"),
                              url(/assets/img/images/ueber_uns_band_960.webp) type("image/webp"));
}

@media (min-width: 768px) {
  .about-band {
    background-image: image-set(url(/assets/img/images/ueber_uns_band_1920.avif) type("image/avif"),
                                url(/assets/img/images/ueber_uns_band_1920.webp) type("image/webp"));
  }
}

/* ==== Vorteile =============================================== */

.about-benefit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px 30px;
}

@media (min-width: 576px) {
  .about-benefit-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 992px) {
  .about-benefit-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 1200px) {
  .about-benefit-grid { grid-template-columns: repeat(4, 1fr); }
}

.about-benefit h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 12px 0 8px;
}

.about-benefit p {
  font-size: 15.5px;
  line-height: 1.5;
  margin: 0;
}

.about-benefit-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  color: #fff;
  font-size: 28px;
  background-color: var(--bg-ceblue);
}

.about-benefit:nth-child(4n+2) .about-benefit-icon { background-color: var(--bg-cegreen); }
.about-benefit:nth-child(4n+3) .about-benefit-icon { background-color: var(--bg-ceocker); }
.about-benefit:nth-child(4n+4) .about-benefit-icon { background-color: #44546a; }

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

.about-steps {
  background-color: #f4f6f8;
}

.about-step-list {
  list-style: none;
  counter-reset: schritt;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

@media (min-width: 768px) {
  .about-step-list { grid-template-columns: repeat(3, 1fr); }
}

.about-step-list li {
  counter-increment: schritt;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 18px;
  font-weight: 500;
}

.about-step-list li::before {
  content: counter(schritt);
  flex: 0 0 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--bg-cegreen);
  color: #fff;
  font-weight: 700;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==== Vergleich ============================================== */

.about-table-wrap {
  overflow-x: auto;
}

.about-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 15.5px;
}

.about-table th,
.about-table td {
  padding: 12px 14px;
  border-bottom: 1px solid #dde2e7;
  vertical-align: top;
  text-align: left;
}

.about-table thead th {
  font-weight: 700;
  border-bottom: 2px solid var(--text-black);
}

.about-table tbody th {
  font-weight: 700;
  white-space: nowrap;
}

.about-table .about-col-ce {
  background-color: rgba(74, 179, 91, .1);
}

/* ==== Kurse ================================================== */

.about-course-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 576px) {
  .about-course-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1200px) {
  .about-course-grid { grid-template-columns: repeat(4, 1fr); }
}

.about-course {
  display: flex;
  flex-direction: column;
  border: 1px solid #dde2e7;
  padding: 20px;
  color: var(--text-black);
  text-decoration: none;
  transition: box-shadow .2s;
}

.about-course:hover,
.about-course:focus {
  box-shadow: 0 4px 14px rgba(0, 0, 0, .14);
  color: var(--text-black);
  text-decoration: none;
}

.about-course img {
  width: 160px;
  height: auto;
  align-self: center;
  margin-bottom: 14px;
}

.about-course h3 {
  font-size: 18px;
  font-weight: 700;
}

.about-course p {
  font-size: 15px;
  line-height: 1.5;
  flex-grow: 1;
}

.about-course-link {
  color: var(--bg-ceblue);
  font-weight: 700;
}

/* ==== FAQ ==================================================== */

.about-faq .container {
  max-width: 900px;
}

.about-faq-item {
  border-bottom: 1px solid #dde2e7;
  padding: 6px 0;
}

.about-faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
}

.about-faq-item summary::-webkit-details-marker {
  display: none;
}

.about-faq-item summary::after {
  content: "+";
  font-size: 26px;
  font-weight: 700;
  color: var(--bg-cegreen);
  line-height: 1;
}

.about-faq-item[open] summary::after {
  content: "–";
}

.about-faq-item summary h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

.about-faq-answer p,
.about-faq-answer li {
  font-size: 16px;
  line-height: 1.6;
}

.about-faq-answer p {
  margin: 0 0 14px;
}

.about-faq-answer ul {
  margin: 0 0 14px;
  padding-left: 22px;
}

.about-faq-answer li {
  margin-bottom: 6px;
}

.about-footnote,
.about-stand {
  font-size: 13.5px;
  color: var(--text-gray);
  margin: 26px 0 0;
}

.about-stand {
  margin-top: 6px;
}