:root {
  color-scheme: dark;
  --bg: #030506;
  --panel: #0b1012;
  --panel-strong: #11181b;
  --text: #f4f7f8;
  --muted: #a7b2b7;
  --line: rgba(255, 255, 255, 0.12);
  --aqua: #55f0df;
  --aqua-soft: rgba(85, 240, 223, 0.14);
  --steel: #7f98a2;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  letter-spacing: 0;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(84px, 14vw, 220px);
  padding: 18px clamp(20px, 4vw, 56px);
  background: rgba(3, 5, 6, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
}

.brand-mark {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 22px rgba(85, 240, 223, 0.9);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(48px, 7vw, 96px);
  margin-left: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

.nav a:hover {
  color: var(--aqua);
}


.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.language-switch button {
  min-width: 36px;
  height: 30px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 800;
  cursor: pointer;
}

.language-switch button[aria-pressed="true"] {
  color: #00110f;
  background: var(--aqua);
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 148px clamp(20px, 6vw, 76px) 112px;
}

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

.hero-media picture,
.hero-media img {
  display: block;
  width: 100%;
  height: 100%;
}

.hero-media img {
  object-fit: cover;
  object-position: 62% center;
  opacity: 0.74;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(3, 5, 6, 0.98) 0%, rgba(3, 5, 6, 0.82) 32%, rgba(3, 5, 6, 0.26) 78%),
    linear-gradient(180deg, rgba(3, 5, 6, 0.12) 58%, #030506 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(680px, 100%);
}

.pre-label {
  display: inline-flex;
  align-items: center;
  margin: 0 0 18px;
  padding: 8px 12px;
  border: 1px solid rgba(85, 240, 223, 0.34);
  border-radius: 999px;
  color: #dffffb;
  background: rgba(85, 240, 223, 0.12);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--aqua);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(4.8rem, 15vw, 10.5rem);
  line-height: 0.84;
  font-weight: 800;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 14px;
  font-size: 1.22rem;
}

p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}

.hero-copy {
  width: min(620px, 100%);
  margin-bottom: 18px;
  color: #d8e3e6;
  font-size: clamp(1.05rem, 2vw, 1.34rem);
}

.hero-note {
  width: min(640px, 100%);
  margin-bottom: 16px;
  color: #b9c8cc;
  font-size: 1rem;
}

.hero-place {
  margin-bottom: 34px;
  color: #d8e3e6;
}

.hero-actions,
.cta,
.cta-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 800;
  font-size: 0.92rem;
}

.button-primary {
  background: var(--aqua);
  border-color: var(--aqua);
  color: #00110f;
}

.button-primary:hover {
  background: #92fff2;
}

.button-ghost {
  color: #e8eff1;
  background: rgba(255, 255, 255, 0.05);
}

.button-ghost:hover {
  background: rgba(255, 255, 255, 0.11);
}

.hero-strip {
  position: absolute;
  left: clamp(20px, 6vw, 76px);
  right: clamp(20px, 6vw, 76px);
  bottom: 28px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.hero-strip span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #d5e1e5;
  background: rgba(3, 5, 6, 0.64);
  backdrop-filter: blur(14px);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1.25;
  text-align: center;
}

.hero-strip span:hover {
  border-color: rgba(85, 240, 223, 0.42);
  color: var(--aqua);
}

.section,
.split-section,
.cta,
.footer {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 112px 0;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 44px;
}

.section-subline {
  max-width: 780px;
  margin: -8px 0 18px;
  color: #d8e3e6;
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  line-height: 1.55;
}

.feature-grid,
.use-grid,
.study-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.fields-grid {
  grid-template-columns: repeat(4, 1fr);
}

.feature,
.use-grid article,
.study-card,
.spec-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
}

.feature {
  min-height: 280px;
  padding: 28px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 34px;
  border: 1px solid rgba(85, 240, 223, 0.38);
  border-radius: 50%;
  color: var(--aqua);
  background: var(--aqua-soft);
  font-size: 0.8rem;
  font-weight: 800;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.7fr);
  gap: clamp(32px, 7vw, 84px);
  align-items: center;
  padding: 112px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.project-intro {
  margin-top: 0;
}

.split-copy p {
  max-width: 720px;
}

.spec-panel {
  padding: 12px;
}

.spec-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 18px;
  border-bottom: 1px solid var(--line);
}

.spec-row:last-child {
  border-bottom: 0;
}

.spec-row span {
  color: var(--steel);
  font-size: 0.9rem;
  font-weight: 700;
}

.spec-row strong {
  color: var(--text);
  text-align: right;
}

.use-section {
  padding-bottom: 84px;
}

.use-grid article {
  padding: 30px;
}


.study-section {
  padding-top: 28px;
}

.video-section {
  padding-top: 28px;
}

.video-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #070b0d;
}

.video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video-fallback {
  margin-top: 14px;
  font-size: 0.92rem;
}

.video-fallback a {
  color: var(--aqua);
  font-weight: 800;
}

.study-card {
  display: flex;
  flex-direction: column;
  min-height: 260px;
  padding: 24px;
}

.study-card h3 {
  color: var(--aqua);
  font-size: clamp(1.05rem, 1.6vw, 1.34rem);
  line-height: 1.25;
}

.study-card p:not(.study-meta) {
  margin-bottom: 20px;
}

.study-card a {
  margin-top: auto;
  color: var(--aqua);
  font-weight: 800;
}

.study-card a:hover {
  color: #92fff2;
}

.study-card a[aria-current="true"] {
  color: #fff;
}

.study-viewer {
  margin-top: 22px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #070b0d;
}

.study-viewer h3 {
  margin-bottom: 18px;
}

.study-preview {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
}

.study-preview p,
.study-preview li {
  color: #c9d5d9;
  line-height: 1.75;
}

.study-preview ul {
  margin: 0 0 22px;
  padding-left: 20px;
}

.study-preview a {
  color: var(--aqua);
  font-weight: 800;
}

.contact-section {
  padding-top: 28px;
}

.people-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.person-card {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 22px;
  align-items: center;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
}

.person-card img {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid rgba(85, 240, 223, 0.32);
}


.person-card-third {
  grid-column: 1 / -1;
  max-width: calc(50% - 9px);
}

.person-card h3 {
  margin-bottom: 6px;
}

.person-card p {
  margin-bottom: 0;
}

.cta {
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 86px;
  padding: 38px;
  border: 1px solid rgba(85, 240, 223, 0.26);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(85, 240, 223, 0.13), rgba(255, 255, 255, 0.03)),
    #071012;
}

.cta div {
  max-width: 720px;
}

.cta h2 {
  margin-bottom: 12px;
}

.cta p {
  margin-bottom: 0;
}

.cta-actions {
  justify-content: flex-end;
}

.footer {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
  padding: 54px 0 70px;
  border-top: 1px solid var(--line);
}

.footer-heading {
  margin-bottom: 28px;
}

.footer-heading h2 {
  margin-bottom: 14px;
  font-size: clamp(1.65rem, 3.6vw, 3.2rem);
  line-height: 1.04;
}

.footer-heading h2 span {
  font-weight: 700;
  text-transform: none;
}

.footer-disclaimer {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.footer-logos {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.logo-tile {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.logo-tile span {
  color: var(--steel);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.logo-tile img {
  width: 100%;
  max-width: 330px;
  max-height: 82px;
  object-fit: contain;
  object-position: left center;
  padding: 12px;
  border-radius: 6px;
  background: #fff;
}

.imprint h2,
.privacy h2 {
  margin-bottom: 18px;
  font-size: 1.35rem;
}

.imprint p,
.privacy p,
.footer p {
  margin-bottom: 18px;
  font-size: 0.92rem;
}

.legal-small h2 {
  font-size: 1.05rem;
}

.legal-small p {
  font-size: 0.78rem;
  line-height: 1.55;
}

.imprint a,
.privacy a {
  color: var(--aqua);
}

.privacy {
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.article-page {
  background:
    radial-gradient(circle at 80% 0%, rgba(85, 240, 223, 0.08), transparent 34%),
    var(--bg);
}

.article-main {
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
  padding: 148px 0 80px;
}

.article-main article {
  border-bottom: 1px solid var(--line);
  padding-bottom: 42px;
}

.article-main h1 {
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 8vw, 6.8rem);
  line-height: 0.92;
}

.article-main h2 {
  margin-top: 42px;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.article-main p,
.article-main li {
  color: #c9d5d9;
  font-size: 1.05rem;
  line-height: 1.8;
}

.article-main ul {
  padding-left: 20px;
}

.article-main li {
  margin-bottom: 12px;
}

.article-back {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--aqua);
  font-weight: 800;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 28px;
  }

  .header-actions {
    width: 100%;
    align-items: center;
    flex-direction: row;
    justify-content: flex-start;
    gap: clamp(54px, 9vw, 88px);
  }

  .nav {
    width: auto;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .language-switch {
    flex: 0 0 auto;
  }

  .hero {
    min-height: auto;
    padding-top: 154px;
  }

  .hero-media img {
    object-position: 70% center;
  }

  .hero-overlay {
    background:
      linear-gradient(90deg, rgba(3, 5, 6, 0.96) 0%, rgba(3, 5, 6, 0.72) 58%, rgba(3, 5, 6, 0.34) 100%),
      linear-gradient(180deg, rgba(3, 5, 6, 0.06) 50%, #030506 100%);
  }

  .feature-grid,
  .use-grid,
  .study-grid,
  .fields-grid,
  .people-grid,
  .split-section,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero-strip {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 48px;
  }

  .person-card-third {
    max-width: none;
  }
}


@media (max-width: 640px) {
  .header-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .nav {
    width: 100%;
  }

  .language-switch {
    align-self: flex-start;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 16px 20px;
  }

  .nav {
    gap: 18px;
    font-size: 0.84rem;
  }

  .hero {
    padding: 142px 20px 58px;
  }

  h1 {
    font-size: clamp(4.2rem, 24vw, 6.4rem);
  }

  h2 {
    font-size: 2rem;
  }

  .section,
  .split-section {
    padding: 74px 0;
  }

  .feature,
  .use-grid article,
  .study-card,
  .cta {
    padding: 24px;
  }

  .brand {
    font-size: 0.82rem;
  }

  .study-card {
    min-height: auto;
  }

  .person-card {
    grid-template-columns: 84px 1fr;
  }

  .person-card-third {
    max-width: none;
  }

  .person-card img {
    width: 84px;
    height: 84px;
  }

  .study-viewer {
    padding: 16px;
  }

  .study-preview {
    padding: 18px;
  }

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

  .button {
    width: 100%;
  }

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

  .spec-row strong {
    text-align: left;
  }
}