:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5f6f7d;
  --line: #d8e0e6;
  --surface: #ffffff;
  --soft: #f4f7f8;
  --accent: #0047ff;
  --accent-dark: #0031a8;
  --deep: #071a35;
  --blue: #14429b;
  --shadow: 0 24px 70px rgba(7, 26, 53, 0.18);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  line-height: 1.5;
}

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

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(7, 26, 53, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 132px;
  min-height: 32px;
}

.brand img {
  display: block;
  width: 100%;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.93rem;
  font-weight: 620;
}

.nav a:hover,
.nav a:focus-visible {
  color: #ffffff;
}

.hero {
  min-height: calc(100svh - 72px);
  display: flex;
  align-items: center;
  padding: clamp(112px, 13vw, 162px) clamp(20px, 5vw, 72px) clamp(54px, 8vw, 96px);
  background:
    linear-gradient(90deg, rgba(7, 26, 53, 0.86) 0%, rgba(7, 26, 53, 0.72) 42%, rgba(7, 26, 53, 0.36) 100%),
    linear-gradient(0deg, rgba(7, 26, 53, 0.34), rgba(7, 26, 53, 0.12)),
    url("assets/basel-rhine-banner.png") center / cover no-repeat;
}

.hero-content {
  max-width: 900px;
}

.hero .eyebrow {
  color: rgba(255, 255, 255, 0.78);
}

.hero h1 {
  color: #ffffff;
  text-shadow: 0 10px 34px rgba(0, 0, 0, 0.2);
}

.hero-copy {
  color: rgba(255, 255, 255, 0.82);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 12ch;
  margin: 0;
  color: var(--ink);
  font-size: clamp(3.1rem, 7vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 710px;
  margin: 28px 0 0;
  font-size: clamp(1.1rem, 1.5vw, 1.35rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border: 1px solid var(--line);
  font-size: 0.95rem;
  font-weight: 720;
}

.button-primary {
  color: #ffffff;
  background: var(--accent);
  border-color: var(--accent);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #0038ca;
}

.button-secondary {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.28);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(255, 255, 255, 0.78);
}

.section {
  padding: clamp(58px, 8vw, 104px) clamp(20px, 5vw, 72px);
}

.section-tight {
  padding-top: clamp(54px, 7vw, 88px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 3.8vw, 4rem);
  line-height: 1.03;
  letter-spacing: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.service-card {
  min-height: 210px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--surface);
}

h3 {
  margin: 0 0 16px;
  font-size: clamp(1.15rem, 1.5vw, 1.45rem);
  line-height: 1.16;
}

.service-card p,
.approach-list p,
.contact-section p {
  margin: 0;
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(320px, 1fr);
  align-items: start;
  gap: clamp(28px, 6vw, 88px);
  background: var(--soft);
}

.industry-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.industry-list span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 15px;
  color: var(--deep);
  background: #ffffff;
  border: 1px solid var(--line);
  font-weight: 680;
}

.approach-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.approach-list li {
  min-height: 265px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--surface);
}

.approach-list span {
  display: block;
  margin-bottom: 34px;
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.approach-list strong {
  display: block;
  margin-bottom: 12px;
  font-size: 1.08rem;
  line-height: 1.18;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.5fr);
  gap: clamp(28px, 7vw, 96px);
  align-items: start;
  padding: clamp(58px, 8vw, 104px) clamp(20px, 5vw, 72px);
  color: #ffffff;
  background: var(--deep);
}

.contact-section .eyebrow,
.contact-section p {
  color: rgba(255, 255, 255, 0.74);
}

.contact-section h2 {
  color: #ffffff;
  margin-bottom: 20px;
}

.contact-card {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 26px;
  color: var(--ink);
  background: #ffffff;
  border-left: 6px solid var(--accent);
  font-style: normal;
}

.contact-card strong {
  margin-bottom: 6px;
  font-size: 1.1rem;
}

.contact-card a {
  color: var(--blue);
  font-weight: 720;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: #ffffff;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

@media (max-width: 980px) {
  .split-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  h1 {
    max-width: 13ch;
  }

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

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

@media (max-width: 680px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding-block: 18px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.88rem;
  }

  .hero {
    padding-top: 44px;
  }

  h1 {
    max-width: 100%;
    font-size: clamp(2.55rem, 11.8vw, 2.95rem);
    line-height: 1;
    overflow-wrap: normal;
  }

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

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

  .service-card,
  .approach-list li {
    min-height: auto;
  }

  .approach-list span {
    margin-bottom: 20px;
  }

  .contact-card {
    padding: 22px;
  }

  .site-footer {
    flex-direction: column;
  }
}