:root {
  /* Reinweiß als Basis, kühles Neutralgrau zur Abschnittstrennung */
  --paper: #edeff1;
  --paper-bright: #ffffff;
  --ink: #171a1f;
  --muted: #5b606a;
  --line: #e2e4e8;
  --grass: #6f9d43;
  --grass-dark: #3f652e;
  --grass-light: #b8d39a;
  --sky: #8bbbd3;
  --sky-dark: #3e7087;
  --archive: #e8eaed;
  --green: var(--grass);
  --green-dark: var(--grass-dark);
  --white: #ffffff;
  --shell: min(1280px, calc(100vw - 64px));
  --section-content-gap: clamp(60px, 6vw, 76px);
  /* Systemschriften nahe der Wort-/Bildmarke (Yu Gothic UI). Nicht eingebettet –
     rechtlich nur referenzierbar. Windows: Yu Gothic UI / Segoe UI ·
     Apple: San Francisco (-apple-system) · Android: Roboto. */
  --font: "Yu Gothic UI", "Yu Gothic", "Segoe UI", -apple-system, system-ui, "Roboto", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Sticky Footer: Inhalt füllt die Höhe, Fußzeile bleibt unten */
main {
  flex: 1 0 auto;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:focus-visible {
  outline: 2px solid var(--green-dark);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: none;
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding-block: clamp(88px, 10vw, 160px);
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(23, 26, 31, 0.12);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: block;
  width: 210px;
  height: 62px;
  overflow: hidden;
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.5vw, 42px);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.main-nav a {
  text-decoration: none;
}

.main-nav a:hover {
  color: var(--green-dark);
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-left: clamp(14px, 1.6vw, 24px);
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.language-switch [aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}

.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.25s ease, background 0.2s ease;
}

.nav-toggle span {
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

.site-header.nav-open .nav-toggle span { background: transparent; }
.site-header.nav-open .nav-toggle span::before { transform: translateY(6px) rotate(45deg); }
.site-header.nav-open .nav-toggle span::after { transform: translateY(-6px) rotate(-45deg); }

.hero {
  position: relative;
  display: grid;
  min-height: calc(100svh - 83px);
  align-items: stretch;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  align-items: stretch;
}

.hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  padding: clamp(72px, 9vw, 132px) clamp(32px, 5vw, 80px) 56px 0;
  flex-direction: column;
  justify-content: center;
}

.eyebrow,
.section-label,
.card-kicker {
  margin: 0 0 28px;
  color: var(--green-dark);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 100%;
  margin: 0;
  font-size: clamp(3.2rem, 5.1vw, 6.1rem);
  font-weight: 350;
  letter-spacing: -0.06em;
  line-height: 0.93;
  text-wrap: balance;
}

.hero-intro {
  max-width: 650px;
  margin: 40px 0 0;
  color: #40444c;
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  margin-top: 38px;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 0 25px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-decoration: none;
}

.button-primary {
  color: var(--white);
  background: var(--ink);
}

.button-primary:hover {
  border-color: var(--green-dark);
  background: var(--green-dark);
}

.text-link {
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.text-link span {
  margin-left: 8px;
  color: var(--green);
}

.hero-facts {
  display: grid;
  margin: auto 0 0;
  padding-top: 48px;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 22px;
  border-top: 1px solid var(--line);
}

.hero-facts div {
  min-width: 0;
}

.hero-facts dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-facts dd {
  margin: 0;
  font-size: 0.88rem;
}

.hero-visual {
  position: relative;
  margin: 0 calc((100vw - var(--shell)) / -2) 0 0;
  min-height: 720px;
  overflow: hidden;
  background: #e9eaec;
}

.hero-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.5), transparent 25%);
  pointer-events: none;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: translate3d(0, var(--hero-parallax, 0px), 0) scale(1.08);
  transform-origin: center;
  will-change: transform;
}

.hero-visual figcaption {
  position: absolute;
  z-index: 2;
  right: 20px;
  bottom: 18px;
  padding: 7px 10px;
  color: rgba(255, 255, 255, 0.92);
  background: rgba(23, 24, 21, 0.76);
  font-size: 0.64rem;
  letter-spacing: 0.04em;
}

.positioning {
  border-bottom: 1px solid var(--line);
}

.split-heading {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 64px;
}

.split-heading h2,
.section-head h2,
.legacy-intro h2,
.capabilities h2,
.profile h2,
.contact h2 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 5.6rem);
  font-weight: 350;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.lead {
  max-width: 850px;
  margin: 48px 0 0;
  color: #40444c;
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
  line-height: 1.55;
}

.services {
  background: var(--paper-bright);
}

.section-head {
  display: grid;
  margin-bottom: var(--section-content-gap);
  grid-template-columns: 1.75fr 1fr;
  align-items: end;
  gap: 60px;
}

.section-head > p,
.legacy-intro > p,
.capabilities-head > p,
.contact-action > p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.service-scope-note {
  max-width: 900px;
  margin: 24px 0 0 auto;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.service-card {
  position: relative;
  display: flex;
  min-height: 520px;
  padding: 38px;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.service-card-primary {
  background: var(--paper);
}

.service-number {
  display: block;
  margin-bottom: 76px;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.service-card h3,
.capability-card h3 {
  margin: 0 0 24px;
  font-size: clamp(1.7rem, 2.4vw, 2.55rem);
  font-weight: 420;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.service-card > p:not(.card-kicker) {
  margin: 0;
  color: var(--muted);
}

.tag-list {
  display: flex;
  margin: auto 0 0;
  padding: 30px 0 0;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.tag-list li {
  padding: 7px 10px;
  border: 1px solid var(--line);
  font-size: 0.67rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.international {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.international .section-label,
.international-metrics strong,
.international .project-meta span,
.international .project-title > p,
.international .direct-project-meta span {
  color: var(--sky-dark);
}

.international-head {
  display: grid;
  margin-bottom: var(--section-content-gap);
  grid-template-columns: 1.55fr 0.8fr;
  align-items: end;
  gap: 72px;
}

.international-head h2 {
  margin: 0;
  font-size: clamp(2.8rem, 5.6vw, 6.2rem);
  font-weight: 350;
  letter-spacing: -0.06em;
  line-height: 0.95;
}

.international-head > p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.international-metrics {
  display: grid;
  margin-bottom: 76px;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.international-metrics div {
  display: grid;
  min-height: 170px;
  padding: 30px;
  align-content: space-between;
  border-right: 1px solid var(--line);
}

.international-metrics div:last-child {
  border-right: 0;
}

.international-metrics strong {
  color: var(--sky-dark);
  font-size: clamp(2rem, 3.3vw, 3.8rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1;
}

.international-metrics span {
  max-width: 260px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.project-list {
  border-top: 1px solid var(--ink);
}

.project-list-label {
  margin: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--sky-dark);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-transform: uppercase;
}

.project-row {
  display: grid;
  padding: 42px 0;
  grid-template-columns: 0.7fr 1.35fr 1.6fr 0.85fr;
  align-items: start;
  gap: clamp(24px, 3vw, 52px);
  border-bottom: 1px solid var(--line);
}

.project-row-historic {
  background: rgba(255, 255, 255, 0.24);
  box-shadow: 28px 0 0 rgba(255, 255, 255, 0.24), -28px 0 0 rgba(255, 255, 255, 0.24);
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-meta span,
.project-title > p {
  color: var(--green-dark);
  font-size: 0.67rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  line-height: 1.35;
  text-transform: uppercase;
}

.project-meta small {
  color: var(--muted);
  font-size: 0.72rem;
}

.project-title > p {
  margin: 0 0 12px;
}

.project-title h3 {
  margin: 0;
  font-size: clamp(1.45rem, 2vw, 2.15rem);
  font-weight: 430;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.project-row > p {
  margin: 0;
  color: #45484e;
  font-size: 0.92rem;
}

.project-tags {
  display: flex;
  margin: 0;
  padding: 0;
  flex-direction: column;
  gap: 8px;
  list-style: none;
}

.project-tags li {
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.project-disclaimer {
  max-width: 880px;
  margin: 24px 0 0 auto;
  color: #565a61;
  font-size: 0.72rem;
}

.direct-projects {
  margin-top: 90px;
  padding-top: 70px;
  border-top: 1px solid var(--ink);
}

.direct-projects-head {
  display: grid;
  margin-bottom: var(--section-content-gap);
  grid-template-columns: 0.7fr 1.8fr;
  gap: 60px;
}

.direct-projects-head h3 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.25rem, 4.2vw, 4.8rem);
  font-weight: 350;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.direct-projects-head > div > p {
  max-width: 760px;
  margin: 26px 0 0;
  color: var(--muted);
}

.direct-project-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.direct-project-grid article {
  display: flex;
  min-height: 225px;
  padding: 24px;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.32);
}

.direct-project-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.direct-project-meta span {
  color: var(--green-dark);
  font-size: 0.64rem;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.direct-project-meta .project-location {
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.07em;
  text-align: right;
}

.direct-project-grid h4 {
  margin: 42px 0 18px;
  font-size: clamp(1.05rem, 1.35vw, 1.35rem);
  font-weight: 450;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.direct-project-grid p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

.legacy {
  padding-block: clamp(64px, 8vw, 110px);
  border-top: 1px solid var(--line);
  background: var(--archive);
}

.legacy-intro {
  display: grid;
  margin-bottom: var(--section-content-gap);
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: clamp(40px, 7vw, 100px);
}

.legacy-intro h2 {
  max-width: 680px;
  font-size: clamp(2.3rem, 3.6vw, 4.1rem);
  line-height: 1.02;
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.work-item {
  margin: 0;
  min-width: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.work-image {
  display: grid;
  min-height: 0;
  aspect-ratio: 1;
  overflow: hidden;
  place-items: center;
  background: #e6e8eb;
}

.work-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.02);
  transition: filter 180ms ease, transform 500ms cubic-bezier(.2,.7,.2,1);
}

.work-item:hover .work-image img {
  filter: grayscale(1) contrast(1.05) brightness(1.03);
  transform: scale(1.015);
}

.work-image-line img {
  object-fit: contain;
  background: #f8f9fa;
}

.work-item figcaption {
  display: flex;
  min-height: 74px;
  padding: 14px 16px;
  justify-content: space-between;
  gap: 18px;
}

.work-item figcaption span {
  font-size: 0.9rem;
  font-weight: 600;
}

.work-item figcaption small {
  color: var(--muted);
  font-size: 0.68rem;
  text-align: right;
}

.capabilities {
  color: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.section-label-light {
  color: var(--grass-light);
}

.capabilities-head {
  margin-bottom: var(--section-content-gap);
}

.capabilities-head > p {
  color: var(--muted);
}

.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability-card {
  position: relative;
  min-height: 440px;
  padding: clamp(32px, 4vw, 58px);
  overflow: hidden;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.capability-meta {
  display: flex;
  margin-bottom: 92px;
  justify-content: space-between;
  color: var(--grass-dark);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.capability-card-aerial .capability-meta {
  color: var(--sky-dark);
}

.capability-card p {
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0;
  color: var(--muted);
  font-size: 1.04rem;
}

.capability-line {
  position: absolute;
  right: 42px;
  bottom: 0;
  left: 42px;
  display: flex;
  height: 88px;
  align-items: end;
  gap: 8px;
  opacity: 0.45;
}

.capability-line i {
  display: block;
  height: 28%;
  flex: 1;
  border-top: 1px solid var(--grass);
  background: repeating-linear-gradient(0deg, transparent 0 6px, rgba(111, 157, 67, .18) 6px 7px);
}

.capability-line i:nth-child(2) { height: 48%; }
.capability-line i:nth-child(3) { height: 76%; }
.capability-line i:nth-child(4) { height: 58%; }
.capability-line i:nth-child(5) { height: 36%; }

.topography {
  position: absolute;
  right: -70px;
  bottom: -140px;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(62, 112, 135, .22);
  border-radius: 50%;
  box-shadow: 0 0 0 22px rgba(62, 112, 135, .035), 0 0 0 52px rgba(62, 112, 135, .045), 0 0 0 88px rgba(62, 112, 135, .03), 0 0 0 132px rgba(62, 112, 135, .02);
}

.capability-note {
  max-width: 720px;
  margin: 22px 0 0 auto;
  color: var(--muted);
  font-size: 0.78rem;
}

.process {
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.process-head {
  margin-bottom: var(--section-content-gap);
}

.process-list {
  display: grid;
  margin: 0;
  padding: 0;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  list-style: none;
}

.process-list li {
  min-height: 320px;
  padding: 32px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-bright);
}

.process-list span {
  color: var(--green-dark);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}

.process-list h3 {
  margin: 100px 0 14px;
  font-size: 1.7rem;
  font-weight: 450;
  letter-spacing: -0.03em;
}

.process-list p {
  max-width: 330px;
  margin: 0;
  color: var(--muted);
}

.profile {
  background: var(--paper);
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
  align-items: center;
  gap: clamp(60px, 9vw, 140px);
}

.portrait {
  margin: 0;
}

.portrait img {
  width: 100%;
  max-height: 760px;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(1);
}

.portrait figcaption {
  padding-top: 12px;
  color: var(--muted);
  font-size: 0.7rem;
}

.profile-copy h2 {
  margin-bottom: 46px;
}

.profile-copy > p:not(.section-label) {
  max-width: 760px;
  color: var(--muted);
}

.profile-copy .profile-lead {
  color: var(--ink) !important;
  font-size: clamp(1.18rem, 1.8vw, 1.55rem);
  line-height: 1.52;
}

.profile-signature {
  display: flex;
  margin-top: 52px;
  padding-top: 18px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.experience-fields {
  margin-top: clamp(90px, 11vw, 160px);
  padding-top: clamp(52px, 7vw, 90px);
  border-top: 1px solid var(--ink);
}

.experience-head {
  display: grid;
  margin-bottom: var(--section-content-gap);
  grid-template-columns: 0.7fr 1.8fr;
  align-items: start;
  gap: 60px;
}

.experience-head h3 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(2.4rem, 4.8vw, 5.2rem);
  font-weight: 350;
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.experience-grid article {
  display: flex;
  min-height: 330px;
  padding: 30px;
  flex-direction: column;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #f6f7f8;
}

.experience-grid article > span {
  margin-bottom: 58px;
  color: var(--green-dark);
  font-size: 0.67rem;
  font-weight: 650;
  letter-spacing: 0.12em;
}

.experience-grid h4 {
  margin: 0 0 20px;
  font-size: clamp(1.22rem, 1.45vw, 1.5rem);
  font-weight: 430;
  letter-spacing: -0.03em;
  line-height: 1.16;
  text-wrap: balance;
}

.experience-grid p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.contact {
  color: var(--white);
  background: #16181c;
}

.contact .section-label {
  color: var(--grass-light);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.55fr 0.75fr;
  align-items: end;
  gap: 80px;
}

.contact-action {
  padding-bottom: 8px;
}

.contact-action > p {
  margin-bottom: 36px;
  color: #9a9da3;
}

.contact-action > a {
  display: flex;
  padding: 18px 0;
  justify-content: space-between;
  border-top: 1px solid #454951;
  border-bottom: 1px solid #454951;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  text-decoration: none;
}

.contact-action > a span {
  color: var(--sky);
}

.site-footer {
  padding-block: 50px;
  color: #9a9da3;
  background: #16181c;
  border-top: 1px solid #2a2c30;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  align-items: end;
  gap: 40px;
}

.footer-brand {
  margin: 0 0 8px;
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 520;
}

.footer-grid > div > p:last-child {
  max-width: 400px;
  margin: 0;
  font-size: 0.76rem;
}

.site-footer nav {
  display: flex;
  gap: 24px;
  font-size: 0.76rem;
}

.copyright {
  margin: 0;
  font-size: 0.72rem;
  text-align: right;
}

.legal-main {
  min-height: 70svh;
  padding: clamp(80px, 10vw, 150px) 0;
}

.legal-grid {
  display: grid;
  grid-template-columns: 0.65fr 2fr;
  gap: clamp(50px, 9vw, 140px);
}

.legal-grid article {
  max-width: 800px;
}

.legal-grid h1 {
  margin: 0 0 20px;
  font-size: clamp(3rem, 6vw, 6.4rem);
  font-weight: 350;
  letter-spacing: -0.06em;
  line-height: 0.96;
}

.legal-grid h2 {
  margin: 56px 0 14px;
  font-size: 1.4rem;
  font-weight: 520;
  letter-spacing: -0.02em;
}

.legal-grid p {
  color: var(--muted);
}

.legal-grid mark {
  padding: 2px 5px;
  background: #fff0a8;
}

@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr 0.92fr;
  }

  .hero h1 {
    font-size: clamp(3.4rem, 7vw, 5.6rem);
  }

  .hero-visual {
    min-height: 660px;
  }

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

  .service-card {
    min-height: 410px;
  }

  .experience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .service-number {
    margin-bottom: 44px;
  }

  .project-row {
    grid-template-columns: 0.65fr 1.15fr 1.5fr;
  }

  .direct-project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .work-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-tags {
    grid-column: 2 / -1;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .project-tags li {
    padding: 6px 9px;
    border: 1px solid var(--line);
  }

}

@media (max-width: 820px) {
  :root {
    --shell: min(100% - 36px, 720px);
    --section-content-gap: 52px;
  }

  html {
    scroll-padding-top: 72px;
  }

  .header-inner {
    min-height: 70px;
  }

  .brand {
    width: 162px;
    height: 52px;
  }

  /* Legal-Seiten behalten den einzelnen Link sichtbar */
  .legal-page .main-nav {
    justify-content: flex-end;
    gap: 18px;
  }

  /* Startseite: Sprungmarken als aufklappbares Menü */
  body:not(.legal-page) .nav-toggle {
    display: inline-flex;
  }

  body:not(.legal-page) .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 4px calc((100vw - var(--shell)) / 2) 16px;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 30px -24px rgba(23, 24, 21, 0.4);
    backdrop-filter: blur(16px);
    transform: translateY(-10px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    max-height: calc(100svh - 70px);
    overflow-y: auto;
  }

  body:not(.legal-page) .site-header.nav-open .main-nav {
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  body:not(.legal-page) .main-nav a {
    width: 100%;
    padding: 16px 2px;
    border-top: 1px solid var(--line);
    font-size: 1rem;
    letter-spacing: 0.02em;
  }

  body:not(.legal-page) .main-nav a:first-child {
    border-top: 0;
  }

  body:not(.legal-page) .main-nav .language-switch {
    padding: 16px 2px;
    border-top: 1px solid var(--line);
    border-left: 0;
    font-size: 0.82rem;
  }

  body:not(.legal-page) .main-nav .language-switch a {
    width: auto;
    padding: 0;
    border: 0;
    font-size: inherit;
    letter-spacing: inherit;
  }


  .hero {
    display: block;
  }

  .hero-grid {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    width: var(--shell);
    min-height: auto;
    margin-inline: auto;
    padding: 76px 0 58px;
  }

  .hero h1 {
    font-size: clamp(3.45rem, 15.3vw, 5.3rem);
  }

  .hero-intro {
    margin-top: 28px;
    font-size: 1.08rem;
  }

  .hero-facts {
    margin-top: 64px;
    grid-template-columns: 1fr 1.2fr;
  }

  .hero-visual {
    width: 100%;
    min-height: 64svh;
    margin: 0;
  }

  .hero-visual img {
    object-position: 63% center;
    transform: none;
    will-change: auto;
  }

  .split-heading,
  .section-head,
  .international-head,
  .direct-projects-head,
  .legacy-intro,
  .capabilities-head,
  .profile-grid,
  .contact-grid,
  .legal-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .split-heading,
  .section-head,
  .international-head,
  .direct-projects-head,
  .legacy-intro,
  .capabilities-head,
  .contact-grid,
  .legal-grid {
    gap: 38px;
  }

  .international-metrics {
    grid-template-columns: 1fr;
  }

  .international-metrics div {
    min-height: 135px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .international-metrics div:last-child {
    border-bottom: 0;
  }

  .project-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .project-tags {
    grid-column: auto;
  }

  .project-row-historic {
    box-shadow: 18px 0 0 rgba(255, 255, 255, 0.24), -18px 0 0 rgba(255, 255, 255, 0.24);
  }

  .direct-project-grid {
    grid-template-columns: 1fr;
  }

  .direct-project-grid article {
    min-height: 210px;
  }

  .capabilities-head > p {
    grid-column: auto;
  }

  .work-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .work-item {
    grid-column: 1;
    grid-row: auto;
  }

  .work-image {
    min-height: 320px;
  }

  .capability-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .capability-card,
  .capability-card:last-child,
  .process-list li {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .capability-card:last-child,
  .process-list li:last-child {
    border-bottom: 0;
  }

  .process-list li {
    min-height: 250px;
    padding: 28px;
    border-color: var(--line);
  }

  .process-list h3 {
    margin-top: 70px;
  }

  .profile-grid {
    gap: 60px;
  }

  .experience-head,
  .experience-grid {
    grid-template-columns: 1fr;
  }

  .experience-head {
    gap: 30px;
  }

  .experience-grid article {
    min-height: 270px;
  }

  .portrait {
    max-width: 520px;
  }

  .contact-action {
    padding-top: 10px;
  }

  .footer-grid {
    align-items: start;
    gap: 30px;
  }

  .copyright {
    text-align: left;
  }
}

@media (max-width: 480px) {
  :root {
    --section-content-gap: 46px;
  }

  .legal-page .header-inner {
    gap: 14px;
  }

  .legal-page .brand {
    width: 128px;
  }

  .legal-page .main-nav {
    gap: 10px;
    font-size: 0.72rem;
  }

  .legal-page .language-switch {
    padding-left: 10px;
    font-size: 0.65rem;
  }

  .section {
    padding-block: 78px;
  }

  .eyebrow {
    max-width: 260px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-visual {
    min-height: 500px;
  }

  .hero-visual figcaption {
    right: 10px;
    bottom: 10px;
    left: 10px;
  }

  .service-card,
  .capability-card {
    min-height: 460px;
    padding: 28px;
  }

  .work-image {
    min-height: 260px;
  }

  .work-item figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .work-item figcaption small {
    text-align: left;
  }

  .profile-signature {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .hero-visual img {
    transform: none;
    will-change: auto;
  }
}