:root {
  --ink: #f7f4ff;
  --paper: #fffaf4;
  --night: #16113a;
  --night-2: #241a55;
  --teal: #2de0c2;
  --coral: #ff6f61;
  --lime: #c7ef5f;
  --line: rgba(255, 255, 255, 0.18);
  --muted: rgba(247, 244, 255, 0.74);
  --shadow: 0 18px 50px rgba(6, 4, 20, 0.28);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: var(--night);
  color: var(--ink);
  line-height: 1.55;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 100;
  transform: translateY(-140%);
  background: var(--paper);
  color: var(--night);
  padding: 10px 14px;
  border-radius: 6px;
  font-weight: 800;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 54px);
  color: var(--ink);
  transition: background-color 180ms ease, border-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  background: rgba(22, 17, 58, 0.93);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 148px;
  min-height: 40px;
}

.brand img {
  width: 148px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 720;
  color: rgba(255, 255, 255, 0.82);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  outline: none;
}

.site-nav .nav-cta {
  background: var(--paper);
  color: var(--night);
  margin-left: 6px;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--teal);
  color: var(--night);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  padding: 132px clamp(18px, 5vw, 72px) 48px;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media {
  background-image: url("../images/hero-kaufhaus.jpg");
  background-position: center;
  background-size: cover;
  transform: scale(1.04);
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(22, 17, 58, 0.96), rgba(22, 17, 58, 0.78) 48%, rgba(22, 17, 58, 0.35)),
    linear-gradient(0deg, var(--night) 0%, rgba(22, 17, 58, 0) 46%);
}

.hero-content {
  width: min(980px, 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 18px;
  font-size: 76px;
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.18;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 720px;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 21px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 850;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--teal);
  color: #0a1830;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--lime);
  outline: none;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.08);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  outline: none;
}

.event-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 870px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
  box-shadow: var(--shadow);
}

.event-facts div {
  padding: 18px;
  background: rgba(22, 17, 58, 0.82);
}

.event-facts dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 13px;
}

.event-facts dd {
  margin: 0;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.section {
  padding: 86px clamp(18px, 5vw, 72px);
}

.section-inner {
  width: min(1180px, 100%);
  margin-inline: auto;
}

.split,
.media-split,
.info-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
}

.intro {
  background: var(--night);
}

.intro-copy {
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.recap {
  background: #fffaf4;
  color: #201837;
}

.recap .eyebrow,
.partner .eyebrow {
  color: #9d2e57;
}

.recap p {
  color: rgba(32, 24, 55, 0.76);
  font-size: 18px;
}

.recap-image {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 18px 42px rgba(32, 24, 55, 0.18);
}

.recap-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.text-link {
  display: inline-flex;
  margin-top: 8px;
  color: #7a184f;
  font-weight: 850;
  border-bottom: 2px solid currentColor;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-button {
  margin-top: 26px;
}

.page-hero {
  padding: 142px clamp(18px, 5vw, 72px) 72px;
  background:
    linear-gradient(180deg, rgba(22, 17, 58, 0.9), rgba(22, 17, 58, 1)),
    url("../images/hero-kaufhaus.jpg") center / cover;
}

.page-hero-inner {
  width: min(1180px, 100%);
  margin-inline: auto;
}

.page-hero h1 {
  max-width: 850px;
}

.page-hero p:not(.eyebrow) {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 20px;
}

.crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 14px;
}

.crumbs a {
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
}

.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.subnav a {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 13px;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 760;
}

.subnav a:hover,
.subnav a:focus-visible {
  background: rgba(255, 255, 255, 0.1);
  outline: none;
}

.program-detail {
  background: #121026;
}

.program-block {
  display: grid;
  gap: 18px;
}

.parallel-grid,
.partner-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.session-card,
.partner-card,
.bio-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  padding: 20px;
}

.session-card p,
.bio-card p {
  color: rgba(255, 255, 255, 0.74);
}

.speaker-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.icon-link {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 760;
}

.icon-link img {
  width: 18px;
  height: 18px;
}

.bio-grid {
  display: grid;
  gap: 16px;
}

.bio-card {
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr);
  gap: 20px;
  scroll-margin-top: 96px;
}

.bio-card > img {
  width: 148px;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
}

.partner-tier {
  margin-top: 42px;
}

.partner-tier:first-of-type {
  margin-top: 0;
}

.partner-tier h2 {
  margin-bottom: 20px;
}

.partner-card {
  min-height: 160px;
  display: grid;
  place-items: center;
  background: #fff;
}

.partner-card img {
  max-height: 92px;
  object-fit: contain;
}

.partner-card.featured {
  min-height: 220px;
}

.partner-card.featured img {
  max-height: 128px;
}

.program {
  background: #121026;
}

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

.schedule-item {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.055);
}

.schedule-item time {
  color: var(--lime);
  font-size: 22px;
  font-weight: 900;
}

.schedule-item p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.label {
  margin: 0 0 7px;
  color: var(--coral) !important;
  font-size: 13px;
  font-weight: 850;
  text-transform: uppercase;
}

.speakers {
  background: var(--night);
}

.speaker-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.speaker-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
}

.speaker-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #241a55;
}

.speaker-card div {
  padding: 18px;
}

.speaker-card p:not(.label) {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.partner {
  background: var(--paper);
  color: #201837;
}

.logo-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.logo-row a {
  min-height: 150px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(32, 24, 55, 0.14);
  border-radius: 8px;
  background: #fff;
  padding: 24px;
}

.logo-row a:hover,
.logo-row a:focus-visible {
  border-color: rgba(32, 24, 55, 0.38);
  outline: none;
}

.logo-row img {
  max-height: 76px;
  object-fit: contain;
}

.infos {
  background: #0e172f;
}

.info-list {
  display: grid;
  gap: 14px;
}

.info-list article {
  border-left: 3px solid var(--teal);
  padding: 2px 0 2px 18px;
}

.info-list p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.74);
}

.site-footer {
  padding: 40px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--line);
  background: #09071a;
}

.footer-inner {
  width: min(1180px, 100%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-inner img {
  width: 132px;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px 22px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: #fff;
  outline: none;
}

@media (max-width: 920px) {
  .nav-toggle {
    display: block;
    position: relative;
    z-index: 22;
  }

  .site-nav {
    position: fixed;
    inset: 76px 0 auto;
    display: grid;
    gap: 0;
    padding: 14px 18px 22px;
    background: rgba(22, 17, 58, 0.98);
    border-bottom: 1px solid var(--line);
    transform: translateY(-120%);
    transition: transform 180ms ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
  }

  .site-nav a {
    min-height: 48px;
  }

  .site-nav .nav-cta {
    margin: 10px 0 0;
    justify-content: center;
  }

  h1 {
    font-size: 54px;
  }

  h2 {
    font-size: 34px;
  }

  .hero {
    min-height: auto;
    padding-top: 116px;
  }

  .event-facts,
  .split,
  .media-split,
  .info-grid,
  .speaker-grid,
  .logo-row,
  .parallel-grid,
  .partner-grid,
  .bio-card {
    grid-template-columns: 1fr;
  }

  .bio-card > img {
    width: 100%;
    max-width: 260px;
  }

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

  .footer-inner nav {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 68px;
    padding-block: 12px;
  }

  .brand,
  .brand img {
    width: 128px;
  }

  .site-nav {
    top: 68px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 28px;
  }

  h3 {
    font-size: 19px;
  }

  .hero-copy,
  .intro-copy,
  .recap p {
    font-size: 17px;
  }

  .section {
    padding-block: 62px;
  }

  .event-facts div,
  .schedule-item,
  .speaker-card div {
    padding: 16px;
  }

  .schedule-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hero-actions .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }
}