:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #172033;
  --muted: #657189;
  --line: #dfe4ec;
  --accent: #155e75;
  --accent-strong: #0f4558;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header {
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent);
  display: inline-block;
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: #f8fafc;
}

nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

nav a {
  text-decoration: none;
}

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

.hero {
  min-height: 520px;
  display: grid;
  align-items: center;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

.hero-copy {
  max-width: 700px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: 52px;
  line-height: 1.06;
}

h2 {
  margin: 0 0 10px;
  font-size: 20px;
}

.lead {
  margin: 22px 0 30px;
  max-width: 620px;
  color: var(--muted);
  font-size: 20px;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: 6px;
  background: var(--accent);
  color: #ffffff;
  font: inherit;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button:hover,
button:hover {
  background: var(--accent-strong);
}

.section-grid {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto 80px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.section-grid article {
  min-height: 170px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.section-grid p,
.page p {
  color: var(--muted);
}

.page {
  width: min(760px, calc(100% - 40px));
  min-height: 520px;
  margin: 0 auto;
  padding: 72px 0;
}

.page h1 {
  font-size: 42px;
  margin-bottom: 22px;
}

.contact-form {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
}

.site-footer {
  min-height: 84px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer a {
  text-decoration: none;
}

@media (max-width: 760px) {
  .site-header,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  .site-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  .hero,
  .page,
  .section-grid {
    width: min(100% - 28px, 1120px);
  }

  .hero {
    min-height: auto;
    padding: 52px 0;
  }

  h1 {
    font-size: 38px;
  }

  .lead {
    font-size: 18px;
  }

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