:root {
  --color-text: #0f172a;
  --color-accent: #1e4d7b;
  --color-accent-hover: #163a5c;
  --color-muted: #64748b;
  --color-background: #fff;
  --color-surface: #f8fafc;
  --color-surface-muted: #f1f5f9;
  --color-border: #475569;
  --color-border-light: #e2e8f0;
  --color-shadow: rgba(15, 23, 42, 0.08);
  --color-shadow-strong: rgba(15, 23, 42, 0.16);

  --width-site-max: 72rem;
  --width-prose: 56rem;
  --width-contact: 13rem;
}

html {
  font: 14px Inter, "Helvetica Neue", sans-serif;
  color: var(--color-text);
}

@media screen and (max-width: 460px) {
  body {
    font-size: 16px;
  }
}

a:link, a:visited {
  text-decoration: none;
  color: var(--color-accent);
}

a:hover {
  text-decoration: underline;
  color: var(--color-accent-hover);
}

h1, h2, h3, h4 {
  margin: 0;
}

h1 {
  grid-area: heading;
  margin: 0;
  font-size: 4rem;
  font-weight: 700;
  letter-spacing: -.075rem;
  transition: font-size .5s;

  a:link, a:visited, a:hover, a:focus, a:active {
    color: var(--color-text);
    text-decoration: none;
  }
}

h2, h3 {
  font-weight: 300;
}

h2 {
  font-size: 2.5rem;
  padding-bottom: 1rem;
  letter-spacing: -.05rem;

  @media screen and (max-width: 580px) {
    font-size: 1.5rem;
  }
}

h3 {
  margin: 2rem 0 .25rem 0;
  font-size: 1.5rem;
}

ul {
  padding-right: 0;
  padding-left: 1rem;
  margin-bottom: 1rem;
}

p, li {
  line-height: 150%;
}

p {
  margin: 0;
  padding: 0 0 15px 0;
}

header {
  max-width: var(--width-site-max);
  margin: 6rem auto 0 auto;
  padding: 0 2rem;
  font-weight: normal;
}

footer {
  max-width: var(--width-site-max);
  margin: 4rem auto 2rem auto;
  padding: 0 2rem;
  font-weight: normal;
  text-align: center;
}

footer p {
  margin: 0;
  padding: 1rem 0 0 0;
  border-top: 3px solid var(--color-accent);
}

footer a:link,
footer a:visited {
  color: var(--color-text);
}

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

main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) min(var(--width-prose), 100%) minmax(0, 1fr);
  width: 100%;
  max-width: none;
  margin: 4rem 0 0 0;
  padding: 0 2rem;
  box-sizing: border-box;
  font-weight: normal;
}

main > * {
  grid-column: 2;
}

.prose {
  margin-bottom: 2rem;
  display: flow-root;
}

header {
  display: grid;
  grid-template-areas:
    "heading contact"
    "tag-line tag-line";
  grid-template-columns: 1fr var(--width-contact);
  align-items: end;

  #tag-line {
    grid-area: tag-line;
    margin: -.5rem 0 0 0;
    color: var(--color-accent);
    font-size: 1.2rem;
    font-weight: 500;

    span {
      color: var(--color-muted);
      font-weight: 200;
    }
  }

  .header-contact {
    grid-area: contact;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    margin: .5rem 0 0 0;
    border-top: 3px solid var(--color-accent);
    padding: .25rem 0 .35rem 0;

    a {
      color: var(--color-text);
    }
  }

  @media screen and (max-width: 860px) {
    grid-template-areas:
      "contact"
      "heading"
      "tag-line";
    grid-template-columns: 1fr;
    margin-top: 2rem;

    h1 {
      margin-top: 2rem;
    }

    .header-contact {
      width: var(--width-contact);
    }
  }

  @media screen and (max-width: 630px) {
    h1 {
      font-size: 3rem;
    }

    #tag-line {
      font-size: 1rem;
    }
  }

  @media screen and (max-width: 475px) {
    h1 {
      font-size: 2.5rem;
    }
  }

  @media screen and (max-width: 460px) {
    .header-contact {
      width: 15rem;
    }
  }

  @media screen and (max-width: 400px) {
    h1 {
      font-size: 2.25rem;
    }

    #tag-line {
      margin-top: 0;
    }
  }
}

.contact-form label {
  display: block;
  margin: 0 0 .35rem 0;
  font-weight: 500;
}

.contact-form input,
.contact-form textarea {
  display: block;
  width: 100%;
  max-width: 32rem;
  box-sizing: border-box;
  margin: 0 0 1.25rem 0;
  padding: .6rem .75rem;
  font: inherit;
  border: 1px solid var(--color-border-light);
  background: var(--color-background);
}

.contact-form textarea {
  min-height: 8rem;
  resize: vertical;
}

.contact-form button {
  font: inherit;
  font-weight: 500;
  padding: .65rem 1.25rem;
  border: 0;
  background: var(--color-accent);
  color: var(--color-background);
  cursor: pointer;
}

.contact-form button:hover {
  background: var(--color-accent-hover);
}

.form-status {
  margin: 1rem 0 0 0;
  padding: .75rem 1rem;
  max-width: 32rem;
}

.form-status.success {
  background: var(--color-surface-muted);
  border-left: 3px solid var(--color-accent);
}

.form-status.error {
  background: #fef2f2;
  border-left: 3px solid #b91c1c;
}

.service-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-list li {
  margin: 0 0 1rem 0;
  padding: 1.5rem 2rem;
  background: var(--color-surface);
}

.service-list h3 {
  margin-top: 0;
}

.service-list p {
  padding-bottom: 0;
}

#contact {
  scroll-margin-top: 2rem;
}