:root {
  --sea: #1a4a5c;
  --steel: #8a96a0;
  --amber: #e09a3a;
  --paper: #eef3f4;
  --ink: #12242c;
  --display: "Literata", "Noto Sans SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 68px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.75; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.app-link { color: var(--amber); text-decoration: underline; text-underline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
.pipe-grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 6;
  opacity: 0.09;
  background-image: url("images/texture.webp");
  background-size: 400px auto;
  mix-blend-mode: multiply;
}
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 80; background: var(--amber); color: #111; padding: 8px; }
.lss-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 22px;
  background: var(--sea);
  color: var(--paper);
  border-bottom: 4px solid var(--steel);
}
.brand { font-family: var(--display); font-size: 26px; font-weight: 700; }
.brand small { display: block; font-family: var(--mono); font-size: 10px; color: var(--steel); letter-spacing: 0.16em; font-weight: 400; }
.nav-toggle { display: none; background: var(--amber); color: #111; border: 0; padding: 7px 12px; }
.lung-links { display: flex; gap: 14px; font-size: 14px; flex-wrap: wrap; align-items: center; }
.lung-links a { color: #c5d4d8; }
.lung-links a.is-active, .lung-links a:hover { color: var(--amber); }
.lung-links .live { background: var(--amber); color: #111; padding: 6px 12px; font-weight: 700; }
.lung { position: relative; min-height: 88vh; display: flex; align-items: flex-end; }
.lung .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ammonia {
  position: relative;
  z-index: 2;
  margin: 0 0 40px 6vw;
  max-width: 520px;
  padding: 24px;
  background: rgba(18, 36, 44, 0.92);
  color: var(--paper);
  border-right: 10px solid var(--amber);
}
.kicker { font-family: var(--mono); letter-spacing: 0.14em; font-size: 11px; color: var(--amber); margin: 0 0 10px; }
h1, h2 { font-family: var(--display); margin: 0 0 10px; line-height: 1.15; font-weight: 700; }
h1 { font-size: clamp(28px, 4vw, 42px); }
.lead { color: #b7c6ca; }
.alarm { margin: 16px 0; padding: 14px; background: #0e1c22; border: 1px solid var(--steel); }
.n { font-family: var(--display); font-size: 30px; margin: 0 0 6px; color: var(--amber); }
.alarm button { margin-top: 8px; background: var(--amber); color: #111; border: 0; padding: 8px 14px; font-weight: 700; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; padding: 10px 16px; border: 1px solid var(--steel); }
.btn.fill { background: var(--amber); color: #111; border-color: var(--amber); font-weight: 700; }
.w { width: min(980px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0; }
.steel { background: #24343a; color: var(--paper); }
.steel .kicker, .steel .app-link { color: var(--amber); }
.steel figure { margin: 24px 0 0; }
.steel figure img { width: 100%; height: 250px; object-fit: cover; }
.steel figcaption { font-size: 13px; color: var(--steel); margin-top: 8px; }
footer { padding: 20px 24px 48px; color: #6a7c82; font-size: 13px; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  .lss-bar { flex-wrap: wrap; }
  .lung-links { display: none; width: 100%; flex-direction: column; background: #12242c; padding: 12px; }
  .lung-links.open { display: flex; }
  .ammonia { margin: 24px 16px 32px; }
}