:root {
  --rational: #0a3a5a;
  --level1: #1f5c85;
  --level2: #4f7fa3;
  --surface: #e6eef4;
  --ink: #2e2e2e;
  --muted: #475569;
  --line: #d6e0e7;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: "Open Sans", Arial, sans-serif;
}
.service-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.service-nav__inner,
.service-main {
  width: min(1120px, calc(100% - 40px));
  margin: auto;
}
.service-nav__inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  flex-direction: column;
  padding-top: 4px;
  color: var(--rational);
  line-height: 1;
  text-decoration: none;
}
.brand__main {
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.brand__sub {
  align-self: flex-start;
  margin-top: 2px;
  margin-left: 65%;
  color: var(--rational);
  font-family: "Open Sans", Arial, sans-serif;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  opacity: 0.95;
  white-space: nowrap;
}
.nav-link {
  color: var(--level1);
  font-size: 0.78rem;
  font-weight: 600;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.service-hero {
  padding: 88px 0 70px;
  background: var(--rational);
  color: #fff;
}
.eyebrow {
  margin: 0 0 18px;
  color: #a9d0ec;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.service-hero h1 {
  max-width: 820px;
  margin: 0;
  font-size: clamp(2.2rem, 6vw, 4.7rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0;
}
.service-hero p {
  max-width: 720px;
  margin: 24px 0 0;
  color: #c2dff0;
  font-size: 1.15rem;
  line-height: 1.75;
}
.service-main {
  padding: 62px 0 80px;
}
.direct-answer {
  margin-bottom: 52px;
  padding: 28px 30px;
  border-left: 4px solid var(--level1);
  background: var(--surface);
}
.direct-answer h2,
.section-title {
  margin: 0 0 12px;
  color: var(--rational);
  font-size: 1.45rem;
  line-height: 1.25;
}
.direct-answer p,
main.service-main p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.75;
}
.section {
  padding: 42px 0;
  border-top: 1px solid var(--line);
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.card {
  padding: 24px;
  border: 1px solid var(--line);
  background: #fff;
}
.card h3 {
  margin: 0 0 10px;
  color: var(--rational);
  font-size: 1.04rem;
  line-height: 1.35;
}
.card p {
  font-size: 0.93rem;
}
.boundary {
  margin-top: 24px;
  padding: 24px 26px;
  border: 1px solid #c6d7e3;
  background: #f7fbfe;
}
.boundary h2 {
  margin: 0 0 10px;
  color: var(--rational);
  font-size: 1.1rem;
}
.list {
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
}
.list li {
  margin: 10px 0;
  line-height: 1.65;
}
.method-note {
  margin-top: 24px;
  padding: 22px 24px;
  background: var(--rational);
  color: #fff;
}
.method-note h2 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}
main.service-main .method-note p {
  color: #c2dff0;
  font-size: 0.95rem;
  font-weight: 400;
}
.cta {
  margin-top: 50px;
  padding: 36px;
  background: var(--surface);
  text-align: center;
}
.cta h2 {
  margin: 0 0 12px;
  color: var(--rational);
  font-size: 1.6rem;
}
.cta p {
  max-width: 640px;
  margin: 0 auto 22px;
}
.button {
  display: inline-block;
  padding: 14px 22px;
  background: var(--rational);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.related {
  margin-top: 32px;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}
.related a {
  color: var(--level1);
  font-weight: 700;
  text-decoration: none;
}
.service-footer {
  padding: 34px 20px;
  background: var(--rational);
  color: #d6e9f6;
  font-size: 0.82rem;
  text-align: center;
}
@media (min-width: 768px) {
  .service-nav__inner {
    min-height: 96px;
  }
  .brand__main {
    font-size: 2.2rem;
  }
  .brand__sub {
    margin-top: 5px;
    font-size: 1.2rem;
  }
}
@media (max-width: 700px) {
  .service-nav__inner,
  .service-main {
    width: calc(100% - 32px);
  }
  .service-nav__inner {
    gap: 12px;
  }
  .service-hero {
    padding: 68px 0 52px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .service-main {
    padding-top: 42px;
  }
  .direct-answer {
    padding: 23px;
  }
  .brand__main {
    font-size: 1.45rem;
  }
  .brand__sub {
    font-size: 0.8rem;
  }
  .nav-link {
    flex-shrink: 1;
    font-size: 0;
    letter-spacing: 0.05em;
    text-align: right;
    white-space: nowrap;
  }
  .nav-link::after {
    content: "Review";
    font-size: 0.65rem;
  }
  .eyebrow {
    font-size: 0.64rem;
    letter-spacing: 0.1em;
    overflow-wrap: anywhere;
  }
  .service-hero h1 {
    max-width: 100%;
    font-size: clamp(2rem, 9vw, 2.6rem);
    overflow-wrap: anywhere;
  }
  .service-hero p {
    font-size: 1rem;
  }
}