:root {
  --navy: #0d1a29;
  --navy-soft: #142637;
  --teal: #246a71;
  --signal: #55bac4;
  --paper: #fcfcfc;
  --mist: #f1f5f6;
  --ink-muted: #52676f;
  --line: #d9e2e5;
  --line-dark: #2a4051;
  --head: "IBM Plex Sans", system-ui, sans-serif;
  --body: "Inter", system-ui, sans-serif;
  --shell: 980px;
  --gutter: clamp(1.2rem, 5vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--navy);
  font-family: var(--body);
  font-size: clamp(1rem, .97rem + .15vw, 1.0625rem);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3 {
  margin: 0;
  font-family: var(--head);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -.02em;
  text-wrap: balance;
}
h1 { max-width: 18ch; font-size: clamp(2.45rem, 6vw, 4.6rem); }
h2 { margin-top: 3rem; font-size: clamp(1.45rem, 3vw, 2rem); }
h3 { margin-top: 1.8rem; font-size: 1.08rem; }
p { margin: .8rem 0 0; max-width: 72ch; text-wrap: pretty; }
ul { margin: .8rem 0 0; padding-left: 1.25rem; }
li + li { margin-top: .45rem; }

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
  border-radius: 5px;
}

.skip {
  position: fixed;
  left: -100vw;
  top: .75rem;
  z-index: 100;
  padding: .65rem 1rem;
  border-radius: 8px;
  background: var(--paper);
  color: var(--navy);
}
.skip:focus { left: .75rem; }
.shell { width: min(100%, var(--shell)); margin-inline: auto; padding-inline: var(--gutter); }

.site-header {
  background: var(--navy);
  border-bottom: 1px solid var(--line-dark);
}
.nav-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { display: inline-flex; align-items: center; gap: .72rem; color: var(--paper); font-family: var(--head); font-weight: 600; text-decoration: none; }
.brand img { width: 40px; height: 40px; }
.back-link { color: #d5e1e4; font-family: var(--head); font-size: .9rem; font-weight: 500; text-underline-offset: 4px; }

.policy-hero { padding-block: clamp(4.25rem, 9vw, 7rem); background: var(--navy); color: var(--paper); }
.eyebrow { margin: 0 0 1rem; color: var(--signal); font-family: var(--head); font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.intro { max-width: 62ch; margin-top: 1.35rem; color: #c8d6da; font-size: clamp(1.05rem, 1.5vw, 1.2rem); }
.effective { margin-top: 1.15rem; color: #9fb3b9; font-size: .84rem; }

.policy-main { padding-block: clamp(3.5rem, 7vw, 6rem); }
.policy-main section { padding-bottom: 2.8rem; border-bottom: 1px solid var(--line); }
.policy-main section:last-child { padding-bottom: 0; border-bottom: 0; }
.note { margin-top: 1.25rem; padding: 1rem 1.1rem; background: var(--mist); border-left: 3px solid var(--teal); color: var(--ink-muted); }
.policy-main p, .policy-main li { color: var(--ink-muted); }
.policy-main strong { color: var(--navy); }
.contact-card { margin-top: 1rem; padding: 1.25rem; background: var(--mist); border: 1px solid var(--line); border-radius: 12px; }
.contact-card p { margin: 0; }
.contact-card a { color: var(--teal); font-weight: 600; text-underline-offset: 4px; }

footer { padding-block: 2.25rem; background: #09131f; color: #a9bcc2; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; flex-wrap: wrap; }
.footer-links { display: flex; align-items: center; gap: .9rem; flex-wrap: wrap; }
footer a { color: #c9d7db; text-underline-offset: 4px; }
footer p, footer a { margin: 0; font-size: .84rem; }

@media (max-width: 520px) {
  .brand img { display: none; }
  .nav-bar { min-height: 64px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
