body[data-cmap-surface^="natsec-"] {
  margin: 0;
  color: var(--decision-room-reading);
  background: var(--decision-room-canvas);
  font-family: var(--font-body);
}

body[data-cmap-surface^="natsec-"] a { color: inherit; }
body[data-cmap-surface^="natsec-"] :focus-visible { outline: 3px solid var(--decision-room-instrument); outline-offset: 3px; }

.natsecHeader {
  min-height: 68px;
  padding: 0 5vw;
  border-bottom: 1px solid var(--decision-room-line);
  background: var(--decision-room-canvas);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.natsecHeader nav { display: flex; align-items: center; gap: 10px; }
.natsecHeader nav a { min-height: 44px; padding: 12px 14px; display: inline-flex; align-items: center; color: var(--decision-room-muted); text-decoration: none; }
.natsecHeader nav a:hover,
.natsecHeader nav a[aria-current="page"] { color: #fff; background: rgba(114, 206, 245, .1); }

.natsecBrand { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.natsecBrand > span { width: 34px; height: 34px; border: 1px solid var(--decision-room-instrument); display: grid; place-items: center; color: var(--decision-room-instrument); }
.natsecBrand svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.5; }
.natsecBrand b { letter-spacing: .01em; }

.natsecHero {
  min-height: 430px;
  padding: clamp(64px, 9vw, 132px) 5vw;
  background:
    linear-gradient(110deg, rgba(3, 11, 23, .99), rgba(7, 27, 52, .84)),
    repeating-linear-gradient(90deg, transparent 0, transparent 79px, rgba(114, 206, 245, .055) 80px);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  align-items: end;
  gap: clamp(38px, 7vw, 110px);
}

.natsecEyebrow { margin: 0 0 14px; color: var(--decision-room-instrument); font-size: .76rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.natsecHero h1 { max-width: 880px; margin: 0; color: #fff; font-size: clamp(2.35rem, 5vw, 5.5rem); line-height: .98; letter-spacing: -.045em; }
.natsecHero > div > p:last-child { max-width: 760px; margin: 28px 0 0; color: var(--decision-room-muted); font-size: clamp(1rem, 1.35vw, 1.22rem); line-height: 1.62; }

.natsecBoundary { border-top: 2px solid var(--decision-room-instrument); display: grid; grid-template-columns: minmax(84px, .5fr) 1fr; }
.natsecBoundary span,
.natsecBoundary b { padding: 13px 10px; border-bottom: 1px solid var(--decision-room-line); }
.natsecBoundary span { color: var(--decision-room-muted); font-size: .74rem; letter-spacing: .08em; text-transform: uppercase; }
.natsecBoundary b { color: #fff; font-size: .9rem; }

.natsecSection { padding: clamp(58px, 8vw, 108px) 5vw; background: var(--decision-room-field); }
.natsecSection + .natsecSection { border-top: 1px solid var(--decision-room-line); }
.natsecSectionHeading { max-width: 760px; margin-bottom: 34px; }
.natsecSectionHeading h2 { margin: 0; color: var(--decision-room-reading); font-size: clamp(1.8rem, 3.5vw, 3.45rem); line-height: 1.06; letter-spacing: -.035em; }

.natsecCardGrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--decision-room-line); border: 1px solid var(--decision-room-line); }
.natsecCardGridThree { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.natsecCard { min-height: 260px; padding: clamp(24px, 3vw, 42px); background: var(--decision-room-raised); display: flex; flex-direction: column; align-items: flex-start; }
.natsecCard > span { color: var(--decision-room-instrument); font-size: .76rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.natsecCard h3 { margin: 16px 0 10px; color: #fff; font-size: 1.35rem; }
.natsecCard p { margin: 0 0 28px; color: var(--decision-room-muted); line-height: 1.55; }
.natsecCard a { min-height: 44px; margin-top: auto; display: inline-flex; align-items: center; gap: 8px; color: var(--decision-room-instrument); font-weight: 800; text-underline-offset: 4px; }

.natsecDistributionPanel { padding: clamp(26px, 4vw, 48px); border: 1px solid var(--decision-room-line); border-top: 3px solid var(--decision-room-instrument); background: var(--decision-room-raised); display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; }
.natsecDistributionPanel h3 { margin: 0 0 10px; font-size: 1.5rem; }
.natsecDistributionPanel p { max-width: 700px; margin: 0; color: var(--decision-room-muted); line-height: 1.55; }
.natsecActions { display: flex; flex-direction: column; align-items: stretch; gap: 10px; }
.natsecButton,
.natsecTextLink { min-height: 44px; padding: 12px 18px; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; text-align: center; }
.natsecButton { color: var(--decision-room-canvas) !important; background: var(--decision-room-instrument); text-decoration: none; }
.natsecTextLink { color: var(--decision-room-instrument) !important; text-underline-offset: 4px; }
.natsecSteps { margin: 28px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--decision-room-line); border-left: 1px solid var(--decision-room-line); }
.natsecSteps li { min-height: 156px; padding: 24px; border-right: 1px solid var(--decision-room-line); border-bottom: 1px solid var(--decision-room-line); display: flex; flex-direction: column; gap: 8px; }
.natsecSteps b { color: var(--decision-room-instrument); }
.natsecSteps span { color: var(--decision-room-muted); line-height: 1.5; }
.natsecNotice { padding: clamp(38px, 5vw, 72px) 5vw; color: var(--decision-room-reading); background: var(--decision-room-canvas); display: grid; grid-template-columns: minmax(240px, .65fr) minmax(0, 1.35fr); gap: 48px; }
.natsecNotice h2,
.natsecNotice p { margin: 0; }
.natsecNotice p { color: var(--decision-room-muted); line-height: 1.6; }

.natsecFooter { padding: 32px 5vw; border-top: 1px solid var(--decision-room-line); color: var(--decision-room-muted); background: var(--decision-room-canvas); display: flex; justify-content: space-between; gap: 30px; font-size: .84rem; }
.natsecFooter p { max-width: 760px; margin: 0; }

@media (max-width: 860px) {
  .natsecHero { grid-template-columns: 1fr; align-items: start; }
  .natsecCardGridThree { grid-template-columns: 1fr; }
  .natsecDistributionPanel,
  .natsecNotice { grid-template-columns: 1fr; }
  .natsecSteps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .natsecHeader { padding: 10px 18px; align-items: flex-start; flex-direction: column; gap: 4px; }
  .natsecHeader nav { width: 100%; overflow-x: auto; }
  .natsecHeader nav a { flex: 1; justify-content: center; padding-inline: 8px; white-space: nowrap; }
  .natsecHero,
  .natsecSection,
  .natsecNotice { padding-left: 22px; padding-right: 22px; }
  .natsecCardGrid,
  .natsecSteps { grid-template-columns: 1fr; }
  .natsecFooter { padding-inline: 22px; flex-direction: column; }
}

@media (forced-colors: active) {
  .natsecHeader,
  .natsecHero,
  .natsecSection,
  .natsecCard,
  .natsecFooter { forced-color-adjust: auto; background: Canvas; color: CanvasText; }
  .natsecBoundary,
  .natsecCardGrid,
  .natsecCard,
  .natsecDistributionPanel,
  .natsecSteps,
  .natsecSteps li { border-color: CanvasText; }
}

@media print {
  body[data-cmap-surface^="natsec-"] { color: #111; background: #fff; }
  .natsecHeader { display: none; }
  .natsecHero,
  .natsecSection,
  .natsecCard,
  .natsecFooter { color: #111; background: #fff; }
  .natsecHero { min-height: 0; padding-block: 32px; }
  .natsecHero h1,
  .natsecCard h3 { color: #111; }
  .natsecHero > div > p:last-child,
  .natsecCard p,
  .natsecFooter { color: #333; }
}