:root {
  color-scheme: light;
  --ink: #141414;
  --muted: #5d6268;
  --line: #d9dde1;
  --paper: #fbfbfa;
  --soft: #f1f3f5;
  --red: #e00022;
  --blue: #165a7a;
  --green: #386b4f;
  --white: #ffffff;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.wrap {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-150%);
  background: var(--ink);
  color: var(--white);
  padding: 8px 12px;
  border-radius: 4px;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.header-grid {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 760;
  font-size: 1.05rem;
}

.brand img {
  width: 46px;
  height: 46px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
  flex-wrap: wrap;
}

.nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 4px;
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
  background: var(--soft);
  outline: none;
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(20, 20, 20, 0.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(20, 20, 20, 0.045) 1px, transparent 1px),
    var(--paper);
  background-size: 48px 48px;
}

.hero-grid {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(280px, 0.72fr);
  align-items: center;
  gap: 48px;
  padding: 72px 0 58px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 0.86rem;
  font-weight: 760;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: 5.2rem;
  line-height: 0.95;
  font-weight: 860;
}

h2 {
  margin: 0;
  max-width: 760px;
  font-size: 2.35rem;
  line-height: 1.08;
  font-weight: 810;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  line-height: 1.2;
}

.claim {
  margin: 18px 0 0;
  font-size: 1.45rem;
  color: var(--blue);
  font-weight: 760;
}

.lead {
  max-width: 650px;
  margin: 26px 0 0;
  font-size: 1.22rem;
  color: #2c3033;
}

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

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid var(--ink);
  border-radius: 6px;
  text-decoration: none;
  font-weight: 720;
}

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

.button.quiet {
  background: transparent;
  color: var(--ink);
}

.button:hover,
.button:focus-visible {
  border-color: var(--red);
  outline: 2px solid transparent;
}

.hero-mark {
  justify-self: end;
  width: min(100%, 410px);
  padding: 18px 0;
}

.hero-mark img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
}

.mark-caption {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  font-size: 0.86rem;
  font-weight: 740;
}

.mark-caption a {
  min-height: 42px;
  display: grid;
  place-items: center;
  background: var(--paper);
  text-align: center;
  padding: 8px;
  text-decoration: none;
}

.mark-caption a:hover,
.mark-caption a:focus-visible {
  background: var(--soft);
  color: var(--blue);
  outline: none;
}

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

.page-grid {
  min-height: 430px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  align-items: end;
  gap: 52px;
  padding: 84px 0 62px;
}

.page-aside {
  border-top: 4px solid var(--red);
  padding-top: 18px;
}

.page-aside p {
  margin: 0;
  color: #30353a;
  font-weight: 680;
}

.section {
  padding: 84px 0;
}

.section-light {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.section-dark {
  background: var(--ink);
  color: var(--white);
}

.section-dark .section-kicker {
  color: #ff5269;
}

.section-dark p,
.section-dark li {
  color: #e4e7ea;
}

.split,
.experience-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 0.78fr 1fr;
  gap: 56px;
  align-items: start;
}

.prose p,
.experience-panel p,
.contact-box p {
  margin: 0;
  color: #30353a;
}

.prose p + p {
  margin-top: 18px;
}

.section-head {
  display: grid;
  gap: 2px;
  margin-bottom: 34px;
}

.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.focus-card {
  min-height: 260px;
  display: block;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  text-decoration: none;
}

.focus-card:hover,
.focus-card:focus-visible {
  border-color: var(--ink);
  outline: 2px solid transparent;
}

.focus-card:nth-child(1) {
  border-top: 4px solid var(--green);
}

.focus-card:nth-child(2) {
  border-top: 4px solid var(--red);
}

.focus-card:nth-child(3) {
  border-top: 4px solid var(--blue);
}

.focus-card:nth-child(4) {
  border-top: 4px solid var(--ink);
}

.focus-card p,
.method-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.operations-box {
  margin-top: 38px;
  padding: 26px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  border-radius: 8px;
  background: var(--white);
}

.operations-box h3 {
  margin-bottom: 16px;
  font-size: 1.28rem;
}

.operations-box p {
  margin: 0;
  color: #30353a;
}

.operations-box p + p {
  margin-top: 14px;
}

.operations-box a {
  color: var(--blue);
  font-weight: 760;
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.lab-box {
  margin-top: 18px;
  padding: 24px 26px;
  border-left: 4px solid var(--blue);
  border-radius: 8px;
  background: var(--soft);
}

.lab-box h3 {
  margin-bottom: 12px;
  font-size: 1.22rem;
}

.lab-box p:last-child {
  margin: 0;
  color: #30353a;
}

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.topic-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  text-decoration: none;
}

.topic-card:hover,
.topic-card:focus-visible {
  border-color: var(--ink);
  outline: 2px solid transparent;
}

.topic-card span {
  color: var(--red);
  font-size: 0.86rem;
  font-weight: 820;
  text-transform: uppercase;
}

.topic-card h3 {
  margin-top: auto;
}

.topic-card p {
  margin: 0;
  color: var(--muted);
}

.logo-idea-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.logo-idea-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.logo-idea-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  border: 1px solid var(--line);
  background: var(--paper);
}

.logo-idea-card h2 {
  font-size: 1.08rem;
  line-height: 1.2;
}

.logo-idea-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.logo-idea-card code {
  display: block;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  color: var(--blue);
  font-size: 0.78rem;
  white-space: normal;
  overflow-wrap: anywhere;
}

.experience-panel {
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  padding-top: 24px;
}

.experience-panel p {
  color: #eef1f4;
}

.experience-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px;
  margin-top: 28px;
  padding-bottom: 16px;
}

.experience-group {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  padding-top: 18px;
}

.experience-group h3 {
  margin-bottom: 16px;
}

.experience-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.experience-list li {
  color: #e4e7ea;
  font-weight: 680;
  line-height: 1.42;
}

.experience-list strong {
  color: var(--white);
  font-weight: 820;
}

.resume-note {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.method-item {
  border-top: 3px solid var(--ink);
  padding-top: 18px;
}

.number {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--red);
  font-weight: 820;
}

.contact-section {
  background: var(--white);
  border-top: 1px solid var(--line);
}

.contact-box {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.mail-link {
  display: inline-flex;
  margin: 24px 0;
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 820;
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.signature {
  margin-top: 22px;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-origin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.swiss-flag {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  border-radius: 2px;
  background: var(--red);
  box-shadow: inset 0 0 0 1px rgba(20, 20, 20, 0.08);
}

.swiss-flag::before,
.swiss-flag::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  background: var(--white);
  transform: translate(-50%, -50%);
}

.swiss-flag::before {
  width: 10px;
  height: 3px;
}

.swiss-flag::after {
  width: 3px;
  height: 10px;
}

@media (max-width: 900px) {
  .header-grid {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero-grid,
  .page-grid,
  .split,
  .experience-grid,
  .experience-columns,
  .contact-grid,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: auto;
    gap: 32px;
    padding: 56px 0 46px;
  }

  .page-grid {
    min-height: auto;
    gap: 28px;
    padding: 56px 0 46px;
  }

  .hero-mark {
    justify-self: start;
    width: min(100%, 320px);
  }

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

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

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

  h1 {
    font-size: 3.6rem;
  }

  h2 {
    font-size: 1.95rem;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }

  .wrap {
    width: min(100% - 24px, var(--max));
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .nav {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav a {
    justify-content: center;
    border: 1px solid var(--line);
    background: var(--white);
  }

  .section {
    padding: 60px 0;
  }

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

  .logo-idea-grid {
    grid-template-columns: 1fr;
  }

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

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

  h1 {
    font-size: 2.9rem;
  }

  h2 {
    font-size: 1.62rem;
  }

  .claim {
    font-size: 1.2rem;
  }

  .lead {
    font-size: 1.06rem;
  }

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

  .button {
    width: 100%;
  }

  .mark-caption {
    grid-template-columns: 1fr;
  }

  .mail-link {
    font-size: 1.12rem;
  }
}