:root {
  --bg: #f4f4f5;
  --surface: #ffffff;
  --ink: #1a1c21;
  --ink-soft: #50535b;
  --ink-muted: #898d96;
  --line: rgba(26, 28, 33, 0.08);
  --line-strong: rgba(26, 28, 33, 0.16);
  --accent: #003399;
  --accent-hover: #002a80;
  --dark: #0e1014;

  --radius: 22px;
  --radius-sm: 16px;

  --maxw: 1120px;
  --gutter: 22px;

  --section-pad: 72px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-soft: cubic-bezier(0.33, 0, 0.2, 1);

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #fff;
  padding: 12px 18px;
  border-radius: 0 0 10px 0;
  z-index: 200;
}
.skip-link:focus {
  left: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.45s var(--ease-soft), background-color 0.45s var(--ease-soft),
    color 0.45s var(--ease-soft), border-color 0.45s var(--ease-soft);
  will-change: transform;
}

.btn--primary {
  background: var(--ink);
  color: #fff;
}
.btn--primary:hover {
  background: #000;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 244, 245, 0.82);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}
.brand__logo {
  height: 18px;
  width: auto;
  display: block;
  transition: opacity 0.4s var(--ease-soft);
}
.brand:hover .brand__logo {
  opacity: 0.7;
}
.brand__mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.brand__name {
  font-size: 17px;
  letter-spacing: -0.01em;
}

.nav {
  display: none;
}
.nav__list {
  display: flex;
  gap: 34px;
}
.nav__list a {
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.4s var(--ease-soft);
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-soft);
}
.nav__list a:hover {
  color: var(--ink);
}
.nav__list a:hover::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 9px;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  cursor: pointer;
}
.nav-toggle__bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  border-top: 1px solid var(--line);
  background: var(--bg);
  overflow: hidden;
}
.mobile-nav__list {
  display: flex;
  flex-direction: column;
  padding: 8px var(--gutter) 18px;
}
.mobile-nav__list a {
  display: block;
  padding: 15px 2px;
  font-size: 19px;
  font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.mobile-nav__list li:last-child a {
  border-bottom: none;
}

.hero {
  padding-top: 64px;
  padding-bottom: var(--section-pad);
  text-align: center;
}
.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}
.hero__title {
  font-size: clamp(2.1rem, 7vw, 4.05rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 500;
  max-width: none;
  margin: 0 auto 26px;
}
.hero__subtitle {
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: var(--ink-soft);
  max-width: none;
  margin: 0 auto 22px;
}
.hero__claim {
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  font-weight: 500;
  max-width: none;
  margin: 0 auto 38px;
  background: linear-gradient(90deg, #08060d 0%, #25208f 50%, #3b35ac 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.section {
  padding-block: var(--section-pad);
  border-top: 1px solid var(--line);
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 44px;
}
.section__index {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-muted);
  letter-spacing: 0.08em;
  padding-top: 2px;
}
.section__kicker {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.editorial {
  display: grid;
  gap: 28px;
}
.editorial__head .section__index {
  display: block;
  margin-bottom: 16px;
}
.prose {
  max-width: 60ch;
}
.prose p {
  color: var(--ink-soft);
  font-size: 1.08rem;
  margin: 0 0 1.15em;
}
.prose p:last-child {
  margin-bottom: 0;
}
.prose__accent {
  color: var(--ink);
  font-weight: 500;
  font-size: 1.18rem;
}
.prose__accent--gradient {
  background: linear-gradient(90deg, #08060d 0%, #25208f 50%, #3b35ac 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.dark-band {
  background-color: var(--dark);
  background-image: url("images/gradient-background.jpg");
  background-repeat: no-repeat;
  background-position: top center;
  background-size: cover;
}
.section--dark {
  background: transparent;
  border-top: none;
  color: #fff;
}
.section--dark + .section {
  border-top: none;
}
.section--dark .section__title {
  color: #fff;
}
.section--dark .section__index {
  color: rgba(255, 255, 255, 0.5);
}
.section--dark .section__kicker {
  color: #6f97ff;
}
.section--dark .section__lead {
  color: rgba(255, 255, 255, 0.72);
}
.section--dark .prose p {
  color: rgba(255, 255, 255, 0.74);
}
.section--dark .prose__accent {
  color: #fff;
}
.section__title {
  font-size: clamp(1.7rem, 4.4vw, 2.7rem);
  line-height: 1.12;
  letter-spacing: -0.018em;
  font-weight: 500;
}
.section__lead {
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: 44px;
}

.cards {
  display: grid;
  gap: 20px;
}
.card {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 30px 36px;
  box-shadow: 0 1px 2px rgba(26, 28, 33, 0.04);
  transition: transform 0.8s var(--ease-soft), border-color 0.8s var(--ease-soft),
    box-shadow 0.8s var(--ease-soft), opacity 0.7s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.28);
}
.card__num {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  margin-bottom: 26px;
}
.card__title {
  font-size: 1.45rem;
  letter-spacing: -0.012em;
  font-weight: 500;
  margin-bottom: 14px;
}
.card__text {
  color: var(--ink-soft);
  font-size: 1.04rem;
}

.speakers {
  display: grid;
  gap: 20px;
}
.speaker {
  display: flex;
  gap: 22px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  box-shadow: 0 1px 2px rgba(26, 28, 33, 0.04);
  transition: transform 0.8s var(--ease-soft), border-color 0.8s var(--ease-soft),
    box-shadow 0.8s var(--ease-soft), opacity 0.7s var(--ease);
}
.speaker:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.28);
}
.speaker__avatar {
  flex: 0 0 auto;
  align-self: flex-start;
  width: 132px;
  max-width: 50%;
  aspect-ratio: 1 / 1;
  height: auto;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--line-strong);
}
.speaker__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.speaker__kicker {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.speaker__name {
  font-size: 1.3rem;
  letter-spacing: -0.012em;
  font-weight: 500;
  margin-bottom: 4px;
}
.speaker__role {
  color: var(--ink-soft);
  font-size: 1rem;
}
.speaker__org {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin-bottom: 14px;
}
.speaker__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--accent);
}
.speaker__link {
  transition: color 0.4s var(--ease-soft);
}
.speaker__link span {
  transition: transform 0.4s var(--ease-soft);
}
.speaker__link:hover span {
  transform: translate(3px, -3px);
}

.members {
  border-top: 1px solid var(--line);
}
.member {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "logo name arrow"
    "logo desc arrow"
    "logo loc  arrow";
  column-gap: 20px;
  align-items: center;
  padding: 26px 6px;
  border-bottom: 1px solid var(--line);
  transition: transform 0.5s var(--ease-soft), background-color 0.5s var(--ease-soft),
    opacity 0.7s var(--ease);
}
.member:hover {
  transform: translateX(8px);
  background: linear-gradient(90deg, rgba(26, 28, 33, 0.02), transparent 62%);
}
.member__logo {
  grid-area: logo;
  width: 100px;
  aspect-ratio: 11 / 8;
  border-radius: 12px;
  overflow: hidden;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.member__logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.member__name {
  grid-area: name;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.008em;
}
.member__desc {
  grid-area: desc;
  color: var(--ink-soft);
  font-size: 1rem;
  margin-top: 2px;
  max-width: 64ch;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.member__loc {
  grid-area: loc;
  color: var(--ink-muted);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.member__flag {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  object-fit: cover;
  flex: none;
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(26, 28, 33, 0.08);
}
.member__arrow {
  grid-area: arrow;
  font-size: 1.4rem;
  color: var(--ink-muted);
  transition: transform 0.45s var(--ease-soft), color 0.45s var(--ease-soft);
}
.member:hover .member__arrow {
  transform: translate(4px, -4px);
  color: var(--accent);
}

.section--kontakt {
  border-top: 1px solid var(--line);
}
.kontakt {
  background-color: var(--dark);
  background-image: url("images/gradient-background.jpg");
  background-repeat: no-repeat;
  background-position: top center;
  background-size: cover;
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(40px, 7vw, 76px);
  text-align: center;
}
.kontakt .section__index {
  color: rgba(255, 255, 255, 0.55);
  display: block;
  margin-bottom: 14px;
}
.section__kicker--invert {
  color: rgba(255, 255, 255, 0.6);
}
.kontakt .section__kicker {
  margin-bottom: 18px;
}
.kontakt__title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.018em;
  font-weight: 500;
  max-width: 20ch;
  margin: 0 auto 22px;
}
.kontakt__text {
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.1rem;
  max-width: 56ch;
  margin: 0 auto 16px;
}
.kontakt .btn--primary {
  margin-top: 22px;
}
.kontakt .btn--primary {
  background: #fff;
  color: var(--ink);
}
.kontakt .btn--primary:hover {
  background: rgba(255, 255, 255, 0.88);
}
.kontakt__mail {
  margin-top: 24px;
  font-size: 0.98rem;
  color: rgba(255, 255, 255, 0.6);
}
.kontakt__mail a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.4s var(--ease-soft);
}
.kontakt__mail a:hover {
  color: #fff;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 40px;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.footer__brand-block {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer__logo {
  height: 20px;
  width: auto;
  display: block;
  align-self: flex-start;
}
.footer__claim {
  color: var(--ink-soft);
  font-size: 1.02rem;
  max-width: 44ch;
}
.footer__meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}
.footer__nav a {
  font-size: 15px;
  color: var(--ink-soft);
  transition: color 0.4s var(--ease-soft);
}
.footer__nav a:hover {
  color: var(--ink);
}
.footer__copy {
  font-size: 14px;
  color: var(--ink-muted);
}

.legal {
  padding-top: 56px;
  padding-bottom: var(--section-pad);
}
.legal__header {
  margin-bottom: 44px;
}
.legal__title {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 500;
  margin-top: 6px;
}
.legal__body {
  max-width: 72ch;
}
.legal__body h2 {
  font-size: 1.3rem;
  font-weight: 500;
  letter-spacing: -0.012em;
  margin: 2.2em 0 0.6em;
}
.legal__body h2:first-child {
  margin-top: 0;
}
.legal__body h3 {
  font-size: 1.08rem;
  font-weight: 600;
  margin: 1.6em 0 0.5em;
}
.legal__body p {
  color: var(--ink-soft);
  font-size: 1.04rem;
  margin: 0 0 1.1em;
}
.legal__body ul {
  list-style: disc;
  padding-left: 1.3em;
  margin: 0 0 1.1em;
  color: var(--ink-soft);
}
.legal__body li {
  margin-bottom: 0.4em;
}
.legal__body a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-word;
  transition: color 0.4s var(--ease-soft);
}
.legal__body a:hover {
  color: var(--accent-hover);
}
.legal__updated {
  color: var(--ink-muted);
  font-size: 0.95rem;
}
.legal__back {
  margin-top: 2.4em;
  padding-top: 1.6em;
  border-top: 1px solid var(--line);
}
.legal__back a {
  font-weight: 600;
}

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 300;
  padding: 16px var(--gutter);
}
.cookie-banner[hidden] {
  display: none;
}
.cookie-banner__inner {
  max-width: var(--maxw);
  margin-inline: auto;
  background: var(--dark);
  color: #fff;
  border-radius: var(--radius);
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.5);
}
.cookie-banner__text {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.98rem;
}
.cookie-banner__text a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.cookie-banner__actions {
  display: flex;
  gap: 12px;
}
.cookie-banner__actions .btn {
  flex: 1;
}
.cookie-banner .btn--primary {
  background: #fff;
  color: var(--ink);
}
.cookie-banner .btn--primary:hover {
  background: rgba(255, 255, 255, 0.88);
}
.cookie-banner .btn--ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
}
.cookie-banner .btn--ghost:hover {
  border-color: #fff;
}
@media (min-width: 680px) {
  .cookie-banner__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }
  .cookie-banner__actions {
    flex-shrink: 0;
  }
  .cookie-banner__actions .btn {
    flex: 0 0 auto;
  }
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.fade-in {
  opacity: 0;
}
.fade-in.is-visible {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal,
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
  * {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}

@media (min-width: 680px) {
  :root {
    --section-pad: 92px;
    --gutter: 32px;
  }
  .brand__logo {
    height: 22px;
  }
  .cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .speakers {
    grid-template-columns: repeat(2, 1fr);
  }
  .member__logo {
    width: 120px;
  }
  .footer__inner {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }
  .footer__meta {
    align-items: flex-end;
    text-align: right;
    flex-shrink: 0;
  }
}

@media (min-width: 900px) {
  :root {
    --section-pad: 116px;
  }

  .nav {
    display: block;
  }
  .nav-toggle {
    display: none;
  }
  .mobile-nav {
    display: none !important;
  }

  .editorial {
    grid-template-columns: 0.85fr 1.15fr;
    column-gap: 72px;
    align-items: start;
  }
  .editorial__head {
    position: sticky;
    top: 104px;
  }
  .prose {
    max-width: 64ch;
  }

  .section__head {
    gap: 28px;
  }
  .section--sprecher .section__lead {
    max-width: 56ch;
  }
}

@media (min-width: 1040px) {
  .hero {
    padding-top: 96px;
  }
}