:root {
  --navy: #044966;
  --navy-dark: #033451;
  --navy-deep: #053d58;
  --green: #5aab74;
  --green-dark: #3f8a5e;
  --green-light: #b4d3b5;
  --cream: #f4eedb;
  --cream-light: #faf6ec;
  --mint: #d3eadd;
  --text: #0b4a66;
  --line: rgba(4, 73, 102, 0.18);
  --container: 1200px;
  --font: "Avenir Next", Avenir, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Header */
.site-header {
  background: var(--navy);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  position: relative;
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 500;
  text-decoration: none;
  color: #fff;
}

.logo img {
  width: 52px;
  height: 44px;
}

.nav ul {
  display: flex;
  gap: 28px;
  list-style: none;
  padding: 0;
}

.nav a {
  display: block;
  padding: 28px 0 24px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 3px solid transparent;
}

.nav a:hover {
  border-bottom-color: rgba(90, 171, 116, 0.5);
}

.nav a[aria-current="page"] {
  font-weight: 700;
  border-bottom-color: var(--green);
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: #fff;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle svg {
  width: 28px;
  height: 28px;
}

/* Typography */
.eyebrow {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.eyebrow--spaced {
  font-weight: 500;
  letter-spacing: 0.18em;
  font-size: 0.95rem;
}

.eyebrow--navy {
  color: var(--navy);
}

.eyebrow--white {
  color: #fff;
}

.title {
  font-size: clamp(2.25rem, 4.4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.05;
  text-transform: uppercase;
  letter-spacing: -0.005em;
}

.heading {
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
  font-weight: 800;
  line-height: 1.12;
  text-transform: uppercase;
  color: var(--navy);
}

.heading--sentence {
  text-transform: none;
  font-weight: 700;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

.heading--small {
  font-size: 1.15rem;
  letter-spacing: 0.02em;
}

.title .accent {
  color: var(--green-light);
}

.title--event {
  font-size: clamp(2rem, 3.6vw, 3rem);
  hyphens: manual;
}

.bar::after {
  content: "";
  display: block;
  width: 46px;
  height: 4px;
  margin-top: 22px;
  background: var(--green);
}

.bar--white::after {
  background: #fff;
}

.bar--tight::after {
  margin-top: 12px;
  width: 36px;
  height: 3px;
}

.lead {
  font-size: 1.15rem;
  line-height: 1.6;
  margin-top: 28px;
  max-width: 34rem;
}

/* Sections */
.section {
  padding: 72px 0;
}

.section--cream {
  background: var(--cream);
}

.section--light {
  background: var(--cream-light);
}

.section--mint {
  background: var(--mint);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

/* Hero */
.hero {
  background: var(--navy);
  color: #fff;
  padding: 64px 0;
  overflow: hidden;
}

.hero .split {
  grid-template-columns: 1.05fr 1fr;
}

.hero .split--wide-art {
  grid-template-columns: 0.85fr 1.15fr;
}

.hero__art {
  width: 100%;
  max-width: 560px;
  justify-self: end;
}

.question-art {
  max-width: 360px;
  justify-self: center;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
}

.back-link svg {
  width: 18px;
  height: 18px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 14px 24px;
  background: var(--navy-dark);
  color: #fff;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover,
.btn:focus-visible {
  background: var(--green-dark);
}

.btn svg {
  width: 20px;
  height: 20px;
  flex: none;
}

.btn--large {
  font-size: 1.1rem;
  padding: 16px 28px;
}

:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 2px;
}

/* Home: network band */
.network {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: center;
}

.network h2 {
  margin-top: 16px;
}

.network__links {
  display: grid;
  grid-template-columns: repeat(3, auto);
}

.link-tile {
  display: block;
  padding: 12px 32px;
  border-left: 1px solid var(--line);
  text-decoration: none;
  color: var(--navy);
}

.link-tile small {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.link-tile span {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-size: 1.35rem;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
}

.link-tile span svg {
  width: 24px;
  height: 24px;
  transition: transform 0.15s;
}

.link-tile:hover span svg {
  transform: translateX(4px);
}

.link-tile::after {
  content: "";
  display: block;
  width: 46px;
  height: 4px;
  margin-top: 14px;
  background: var(--green);
}

/* Wir: mission */
.mission {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.mission h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

.mission p {
  margin-top: 28px;
  max-width: 32rem;
}

.portrait {
  display: flex;
  align-items: center;
  gap: 28px;
}

.portrait__photo {
  position: relative;
  flex: none;
  width: 260px;
}

.portrait__photo::before {
  content: "";
  position: absolute;
  top: -32px;
  right: -16px;
  width: 116px;
  height: 116px;
  border-radius: 50%;
  background: var(--green-light);
}

.portrait__photo img {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  object-fit: cover;
}

.quote,
.quote blockquote {
  margin: 0;
}

.quote p {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  padding: 18px 0;
  position: relative;
}

.quote p::before,
.quote p::after {
  content: "";
  display: block;
  width: 46px;
  height: 4px;
  background: var(--green);
}

.quote p::before {
  margin-bottom: 18px;
}

.quote p::after {
  margin-top: 18px;
}

.quote figcaption {
  font-size: 0.95rem;
  color: var(--green-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Column grids with dividers */
.cols {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 40px;
}

.cols--3 {
  grid-template-columns: repeat(3, 1fr);
}

.cols > * {
  padding: 0 24px;
  border-left: 1px solid var(--line);
}

.cols > *:first-child {
  border-left: 0;
  padding-left: 0;
}

.cols > *:last-child {
  padding-right: 0;
}

.value {
  text-align: center;
}

.value__icon {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--cream);
  color: var(--navy);
}

.value__icon svg {
  width: 46px;
  height: 46px;
}

.value h3,
.option h3 {
  font-size: 1.15rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 12px;
}

.value p {
  font-size: 1rem;
}

/* Mach mit: options */
.option {
  display: flex;
  flex-direction: column;
}

.option__icon {
  width: 60px;
  height: 60px;
  margin-bottom: 24px;
  color: var(--navy);
}

.option p {
  font-size: 1rem;
  flex: 1;
  margin-bottom: 28px;
}

.option .btn {
  align-self: stretch;
}

/* Standorte */
.hero__map {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  align-items: center;
}

.map {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

.vision {
  padding-left: 32px;
  border-left: 1px solid rgba(255, 255, 255, 0.4);
}

.vision svg {
  width: 56px;
  height: 56px;
  margin-bottom: 16px;
}

.vision h2 {
  font-size: 1.2rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.3;
}

.vision p {
  margin-top: 16px;
  font-size: 1rem;
}

.locations {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.location {
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  background: var(--cream-light);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(4, 73, 102, 0.08);
}

.location > img {
  width: 100%;
  height: 120px;
  object-fit: contain;
  margin-bottom: 20px;
}

.location h3 {
  font-size: 1.3rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--navy);
}

.location > p {
  margin-top: 16px;
  font-size: 0.95rem;
}

.team {
  margin: 28px 0;
  flex: 1;
}

.team h4 {
  margin: 0 0 12px;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--navy);
}

.team ul {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 12px;
}

.person {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
}

.person img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #fff;
}

.person small {
  display: block;
  font-size: 0.8rem;
}

.location .btn {
  font-size: 0.85rem;
  padding: 12px 18px;
  gap: 12px;
}

/* CTA band with leaves */
.band {
  display: grid;
  grid-template-columns: 260px 1fr;
  align-items: center;
}

.band__art {
  width: 220px;
}

.band__body {
  padding-left: 48px;
  border-left: 1px solid var(--line);
}

.band__body h2 {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
  max-width: 34rem;
}

.band__body h2.heading--small {
  font-size: 1.25rem;
  font-weight: 800;
  text-transform: uppercase;
}

.band__body p {
  margin-top: 16px;
  max-width: 44rem;
}

.band__body .eyebrow {
  margin: 0 0 12px;
}

.bar--top::before {
  content: "";
  display: block;
  width: 46px;
  height: 4px;
  margin-bottom: 16px;
  background: var(--green);
}

.band__body .btn {
  margin-top: 28px;
}

.band--compact .band__art {
  width: 120px;
}

.band--compact {
  grid-template-columns: 180px 1fr;
}

/* Events overview */
.event-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.event-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--cream-light);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(4, 73, 102, 0.08);
  text-decoration: none;
}

.event-card__meta {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green-dark);
}

.event-card h3 {
  margin-top: 8px;
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
  color: var(--navy);
  overflow-wrap: break-word;
  hyphens: auto;
}

.event-card p {
  margin-top: 12px;
  flex: 1;
}

.event-card__date {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
  font-weight: 700;
  color: var(--navy);
}

.event-card__date svg {
  width: 22px;
  height: 22px;
}

/* Event detail */
.event-detail {
  display: grid;
  grid-template-columns: 1fr 2fr;
}

.facts {
  list-style: none;
  padding: 0 40px 0 0;
  display: grid;
  gap: 40px;
  align-content: start;
}

.facts li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  font-size: 0.95rem;
}

.facts svg {
  width: 36px;
  height: 36px;
  color: var(--navy);
}

.facts strong {
  display: block;
  font-weight: 700;
  color: var(--navy);
}

.facts a {
  overflow-wrap: anywhere;
}

.event-body {
  padding-left: 40px;
  border-left: 1px solid var(--line);
}

.event-body h2 {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--navy);
  margin: 36px 0 16px;
}

.event-body h2:first-child {
  margin-top: 0;
}

.event-body h2::after {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  margin-top: 8px;
  background: var(--green);
}

.event-body p + p {
  margin-top: 16px;
}

.event-body ul {
  padding-left: 20px;
  display: grid;
  gap: 4px;
}

.event-body ul strong {
  color: var(--navy);
}

.event-body .btn {
  margin-top: 32px;
}

.section-label {
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--navy);
}

.section-label::after {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  margin-top: 8px;
  background: var(--green);
}

.speaker__icon {
  width: 36px;
  height: 36px;
  color: var(--navy);
  margin-bottom: 16px;
}

.speaker__field {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.speaker h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--navy);
  margin-top: 2px;
}

.speaker__role {
  font-size: 0.95rem;
}

.speaker__topic {
  margin-top: 20px;
  font-size: 0.95rem;
}

.impulse {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 40px;
  margin-top: 28px;
}

.impulse__icon {
  width: 52px;
  height: 52px;
  color: var(--navy);
  padding-left: 24px;
  box-sizing: content-box;
  border-left: 1px solid var(--line);
}

.impulse__people {
  display: grid;
  gap: 12px;
}

.impulse__people strong {
  display: block;
  font-size: 1.1rem;
  color: var(--navy);
}

.impulse p {
  padding-left: 40px;
  border-left: 1px solid var(--line);
}

.audience {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  align-items: start;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  list-style: none;
  padding: 0;
}

.tags li {
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--navy-dark);
  color: #fff;
  font-size: 0.95rem;
}

.section--tight {
  padding: 40px 0;
}

/* FAQ */
.faq {
  position: relative;
  overflow: hidden;
}

.faq__group {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  max-width: 920px;
  margin: 0 auto 56px;
}

.faq__group:last-child {
  margin-bottom: 0;
}

.faq__icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green-light);
  color: var(--navy);
}

.faq__icon svg {
  width: 32px;
  height: 32px;
}

.faq__group h2 {
  margin-bottom: 20px;
}

.faq details {
  border-top: 1px solid var(--line);
}

.faq details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
  font-weight: 700;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
}

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

.faq summary::after {
  content: "+";
  font-size: 1.75rem;
  font-weight: 300;
  line-height: 1;
}

.faq details[open] summary::after {
  content: "−";
}

.faq details p {
  padding: 0 48px 18px 0;
}

.deco-trees {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 200px;
  pointer-events: none;
}

/* Contact */
.contact {
  position: relative;
  overflow: hidden;
}

.form {
  max-width: 600px;
  margin: 0 auto;
  display: grid;
  gap: 28px;
  position: relative;
  z-index: 1;
}

.field label {
  display: block;
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--navy);
}

.field label .req {
  color: #c0392b;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--navy);
  border-radius: 0;
  background: var(--cream-light);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
}

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23044966' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 20px;
  padding-right: 44px;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #7b8f98;
}

.counter {
  display: block;
  margin-top: 6px;
  text-align: right;
  font-size: 0.85rem;
}

.form__note {
  font-size: 0.95rem;
}

.form .btn {
  justify-self: start;
  min-width: 220px;
}

.form__status {
  font-weight: 700;
}

/* Responsive */
@media (max-width: 1080px) {
  .locations {
    grid-template-columns: repeat(2, 1fr);
  }

  .cols {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 40px;
  }

  .cols > *:nth-child(odd) {
    border-left: 0;
    padding-left: 0;
  }

  .cols--3 {
    grid-template-columns: 1fr;
  }

  .cols--3 > * {
    border-left: 0;
    padding: 0;
  }

  .network {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--navy);
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  }

  .nav.is-open {
    display: block;
  }

  .nav ul {
    flex-direction: column;
    gap: 0;
    padding: 8px 40px 20px;
  }

  .nav a {
    padding: 12px 0;
    border-bottom: 0;
    border-left: 3px solid transparent;
    padding-left: 12px;
  }

  .nav a[aria-current="page"] {
    border-left-color: var(--green);
  }

  .split,
  .hero .split,
  .mission,
  .hero__map,
  .event-detail,
  .event-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__art {
    justify-self: center;
  }

  .vision {
    padding: 24px 0 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.4);
  }

  .facts {
    padding: 0 0 40px;
    grid-template-columns: repeat(2, 1fr);
  }

  .event-body {
    padding: 40px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .impulse {
    grid-template-columns: auto 1fr;
  }

  .impulse__icon {
    padding-left: 0;
    border-left: 0;
  }

  .impulse p {
    grid-column: 1 / -1;
    padding-left: 0;
    border-left: 0;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  .section {
    padding: 56px 0;
  }

  .hero {
    padding: 48px 0;
  }

  .network__links,
  .locations,
  .cols,
  .facts,
  .audience {
    grid-template-columns: 1fr;
  }

  .link-tile,
  .cols > * {
    border-left: 0;
    padding: 0;
  }

  .link-tile {
    padding: 12px 0;
    border-top: 1px solid var(--line);
  }

  .portrait {
    flex-direction: column;
    align-items: flex-start;
  }

  .portrait__photo {
    width: 220px;
  }

  .band,
  .band--compact {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .band__art {
    width: 140px;
  }

  .band__body {
    padding: 24px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .faq__group {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .deco-trees {
    display: none;
  }
}