:root {
  color-scheme: light;
  --navy: #071b33;
  --blue: #2878e3;
  --mint: #35c9b0;
  --muted: #50677b;
  --line: #dbe4ec;
  --surface: #f3f7fa;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--surface);
  color: var(--navy);
  font-family: Inter, Manrope, "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-width: 320px;
}

a {
  color: inherit;
}

.shell {
  width: min(100%, 1440px);
  min-height: 100svh;
  margin: 0 auto;
  padding: 28px clamp(24px, 5vw, 76px) 24px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: clamp(42px, 7vh, 88px);
}

.masthead,
footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: block;
  width: 208px;
  height: auto;
}

.contact {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--navy);
  border-radius: 999px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, background-color 160ms ease, color 160ms ease;
}

.contact:hover,
.contact:focus-visible {
  transform: translateY(-2px);
}

.contact--primary {
  background: var(--navy);
  color: var(--white);
}

.hero {
  align-self: center;
  max-width: 980px;
  padding: clamp(36px, 6vw, 82px) 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 30px;
  height: 3px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--mint), var(--blue));
}

h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(50px, 7.4vw, 112px);
  line-height: 0.94;
  letter-spacing: -0.065em;
}

.intro {
  max-width: 690px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: clamp(18px, 1.7vw, 25px);
  line-height: 1.55;
}

.actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px 24px;
  margin-top: 36px;
}

.note {
  color: var(--muted);
  font-size: 14px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.7);
}

.principles article {
  min-height: 210px;
  padding: 28px;
}

.principles article + article {
  border-left: 1px solid var(--line);
}

.number {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

h2 {
  margin: 30px 0 8px;
  font-size: 24px;
}

.principles p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

footer {
  border-top: 1px solid var(--line);
  padding-top: 22px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 700px) {
  .shell {
    padding: 22px 20px 18px;
    gap: 38px;
  }

  .logo {
    width: 164px;
  }

  .contact--desktop {
    display: none;
  }

  .hero {
    padding: 24px 0 0;
  }

  h1 {
    font-size: clamp(48px, 16vw, 70px);
  }

  .intro {
    margin-top: 24px;
    font-size: 18px;
  }

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

  .contact--primary {
    width: 100%;
  }

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

  .principles article {
    min-height: auto;
  }

  .principles article + article {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }
}