/* ==========================================================================
   DSOC — Disaster Science Operations Center
   Design system: "The ops floor and the classroom"
   Dark sections = operations · Light sections = academics & people
   Palette locked to color-branding.txt
   ========================================================================== */

:root {
  /* Brand palette — color-branding.txt, verbatim */
  --red: #be141b;
  --black: #000000;
  --ink: #222222;
  --carbon: #333333;
  --gray-mid: #555555;
  --gray-muted: #777777;
  --gray-line: #cccccc;
  --gray-bg: #efefef;
  --white: #ffffff;

  /* Type */
  --font-display: "Neue Haas Grotesk Display Pro", "neue-haas-grotesk-display", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Neue Haas Grotesk Text Pro", "neue-haas-grotesk-text", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "Neue Haas Grotesk Display Pro", "neue-haas-grotesk-display", "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Layout */
  --container: 1200px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);
  --header-h: 4.25rem;
}

/* ---------- Reset ---------- */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 0.75rem 1.25rem;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  text-decoration: none;
}
.skip-link:focus { left: 0; }

/* ---------- Type roles ---------- */

.display {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.02;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray-muted);
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.eyebrow::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  background: var(--red);
  flex: none;
}

.mono { font-family: var(--font-mono); }

.display--sm { font-size: clamp(1.5rem, 2.7vw, 2.05rem); }

.prose p { margin-bottom: 1rem; }
.prose p:last-child { margin-bottom: 0; }

h3.eyebrow { margin: 0 0 1.25rem; }

.lede {
  font-size: clamp(1.125rem, 1.6vw, 1.3125rem);
  line-height: 1.6;
  color: var(--gray-mid);
  max-width: 44em;
}

/* ---------- Sections ---------- */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.section { padding-block: clamp(4rem, 9vw, 6.5rem); }

.section--light { background: var(--white); color: var(--ink); }
.section--tint  { background: var(--gray-bg); color: var(--ink); }

.section--dark {
  background: var(--black);
  color: var(--gray-bg);
}
.section--dark .eyebrow { color: var(--gray-line); }
.section--dark .lede { color: var(--gray-line); }

/* Faint range-ring linework on dark ops sections */
.section--dark.has-rings {
  position: relative;
  overflow: hidden;
}
.section--dark.has-rings > * { position: relative; z-index: 1; }
.section--dark.has-rings::before {
  content: "";
  position: absolute;
  z-index: 0;
  width: 70rem;
  height: 70rem;
  right: -30rem;
  top: -20rem;
  border-radius: 50%;
  background: repeating-radial-gradient(
    circle at center,
    transparent 0,
    transparent 6.5rem,
    rgba(239, 239, 239, 0.055) 6.5rem,
    rgba(239, 239, 239, 0.055) calc(6.5rem + 1px)
  );
  pointer-events: none;
}

.section-head { max-width: 46em; margin-bottom: clamp(2.25rem, 5vw, 3.5rem); }
.section-head .display {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  margin: 0.85rem 0 1rem;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  border-bottom: 1px solid var(--carbon);
}

.site-header .container {
  max-width: none;
  display: flex;
  align-items: center;
  gap: 2rem;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  flex: none;
}
.brand img.brand-logo { height: 2.6rem; width: auto; }

.site-nav { margin-left: auto; }
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: clamp(0.9rem, 1.6vw, 1.6rem);
}
.site-nav a {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--gray-line);
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--white); }
.site-nav a[aria-current="page"] {
  color: var(--white);
  border-bottom-color: var(--red);
}

/* Vertical rules between nav groups: core pages | labs & pro & studio */
.site-nav li.nav-sep {
  border-left: 1px solid var(--carbon);
  padding-left: clamp(0.9rem, 1.6vw, 1.6rem);
}

/* Studio stays highlighted as the current page, but without the red rule */
.site-nav a[href$="dsoc-studio/"][aria-current="page"] { border-bottom-color: transparent; }

.utc-clock {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--gray-line);
  white-space: nowrap;
  flex: none;
  border-left: 1px solid var(--carbon);
  padding-left: clamp(0.9rem, 1.6vw, 1.6rem);
}
.utc-clock .z { color: var(--red); font-weight: 600; }

/* Hover the Zulu clock to read local time instead */
.utc-clock { cursor: default; }
.utc-clock .clock-local { display: none; }
.utc-clock:hover .clock-utc { display: none; }
.utc-clock:hover .clock-local { display: inline; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--carbon);
  color: var(--gray-bg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  padding: 0.55rem 0.9rem;
  cursor: pointer;
}
.nav-toggle:hover { border-color: var(--gray-muted); }

/* ---------- Hero (home) ---------- */

.hero {
  background: var(--black);
  color: var(--gray-bg);
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
  min-height: calc(100svh - var(--header-h));
  padding-block: clamp(3rem, 7vw, 5rem);
}

.hero-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-line);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
}
.hero-status .blip-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--red);
  flex: none;
  animation: blip-pulse 2.4s ease-out infinite;
}

.hero h1 {
  font-size: clamp(2.75rem, 6.5vw, 5.25rem);
  color: var(--white);
}
.hero h1 .accent { color: var(--red); }

.hero .lede {
  color: var(--gray-line);
  margin-top: 1.5rem;
  max-width: 34em;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.25rem;
}

/* ---------- Radar scope (signature) ---------- */

.radar-wrap { justify-self: center; width: min(100%, 33rem); }

.radar {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--carbon);
  background:
    /* crosshairs */
    linear-gradient(to right, transparent calc(50% - 0.5px), rgba(239,239,239,0.10) calc(50% - 0.5px) calc(50% + 0.5px), transparent calc(50% + 0.5px)),
    linear-gradient(to bottom, transparent calc(50% - 0.5px), rgba(239,239,239,0.10) calc(50% - 0.5px) calc(50% + 0.5px), transparent calc(50% + 0.5px)),
    /* range rings */
    repeating-radial-gradient(
      circle at center,
      transparent 0,
      transparent calc(10% - 1px),
      rgba(239, 239, 239, 0.16) calc(10% - 1px),
      rgba(239, 239, 239, 0.16) 10%
    ),
    radial-gradient(circle at center, var(--ink) 0%, var(--black) 78%);
  overflow: hidden;
}

/* rotating sweep: fading tail behind a bright leading edge */
.radar::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    transparent 0deg,
    transparent 245deg,
    rgba(190, 20, 27, 0.04) 260deg,
    rgba(190, 20, 27, 0.38) 352deg,
    rgba(239, 239, 239, 0.55) 359.5deg,
    transparent 360deg
  );
  animation: radar-sweep 6s linear infinite;
}

/* center pip */
.radar::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0.4rem;
  height: 0.4rem;
  margin: -0.2rem;
  border-radius: 50%;
  background: var(--gray-bg);
}

@keyframes radar-sweep {
  to { transform: rotate(360deg); }
}

/* event-site blips: green when clear, red for 3s after a nearby lightning strike */
.radar .blip {
  --blip-glow: rgba(52, 229, 106, 0.55);
  position: absolute;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #34e56a;
  transition: background-color 0.3s ease;
  animation: blip-pulse 2.4s ease-out infinite;
}
.radar .blip:nth-child(2) { animation-delay: 0.9s; }
.radar .blip:nth-child(3) { animation-delay: 1.7s; }

.radar .blip.blip--hit {
  --blip-glow: rgba(190, 20, 27, 0.6);
  background: var(--red);
}

.radar .blip-label {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-line);
  white-space: nowrap;
}

/* lightning flashes generated by main.js */
.radar .bolt {
  position: absolute;
  width: 1.1rem;
  height: 1.1rem;
  margin: -0.55rem;
  color: var(--white);
  opacity: 0;
  pointer-events: none;
  animation: bolt-flash 1.15s ease-out forwards;
}
.radar .bolt svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: currentColor;
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.75));
}

@keyframes bolt-flash {
  0%   { opacity: 0; transform: scale(0.55); }
  10%  { opacity: 1; transform: scale(1.05); }
  65%  { opacity: 0.9; transform: scale(1); }
  100% { opacity: 0; transform: scale(0.9); }
}

@keyframes blip-pulse {
  0%   { box-shadow: 0 0 0 0 var(--blip-glow, rgba(190, 20, 27, 0.55)); }
  70%  { box-shadow: 0 0 0 0.85rem rgba(0, 0, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 0, 0, 0); }
}

/* ---------- Page hero (subpages) ---------- */

.page-hero {
  position: relative;
  background: var(--black);
  color: var(--gray-bg);
  padding-block: clamp(4rem, 9vw, 6.5rem);
  overflow: hidden;
  border-bottom: 1px solid var(--carbon);
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  width: 56rem;
  height: 56rem;
  right: -22rem;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  background: repeating-radial-gradient(
    circle at center,
    transparent 0,
    transparent 4.5rem,
    rgba(239, 239, 239, 0.07) 4.5rem,
    rgba(239, 239, 239, 0.07) calc(4.5rem + 1px)
  );
  pointer-events: none;
}
.page-hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.7rem);
  color: var(--white);
  margin: 0.9rem 0 1.1rem;
}
.page-hero .lede { color: var(--gray-line); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.95rem 1.7rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn--alert {
  background: var(--red);
  color: var(--white);
}
.btn--alert:hover { background: var(--white); color: var(--black); }

.btn--ghost {
  border-color: var(--gray-muted);
  color: inherit;
}
.btn--ghost:hover { border-color: currentColor; }

.text-link {
  font-weight: 600;
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
}
.text-link:hover { color: var(--black); }
.section--dark .text-link:hover { color: var(--white); }

/* ---------- Cards ---------- */

.card-grid {
  display: grid;
  gap: 1px; /* hairline gutters via background */
  background: var(--gray-line);
  border: 1px solid var(--gray-line);
}
.card-grid--5 { grid-template-columns: repeat(5, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }

.section--dark .card-grid { background: var(--carbon); border-color: var(--carbon); }

.card {
  background: var(--white);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  text-decoration: none;
  transition: background-color 0.18s ease;
}
.card:hover { background: var(--gray-bg); }

.section--dark .card { background: var(--ink); color: var(--gray-bg); }
.section--dark .card:hover { background: var(--carbon); }

.card .card-kicker {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
}
.card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.05rem;
  letter-spacing: 0;
  line-height: 1.2;
}
.card p { font-size: 0.9375rem; color: var(--gray-mid); }
.section--dark .card p { color: var(--gray-line); }
.card .card-more {
  margin-top: auto;
  padding-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-muted);
}
.card:hover .card-more { color: var(--red); }

/* red mono kickers fail contrast on dark card surfaces — swap to light gray there */
.section--dark .card .card-kicker { color: var(--gray-line); }

/* ---------- Ops record strip ---------- */

.ops-strip {
  background: var(--black);
  color: var(--gray-bg);
  border-block: 1px solid var(--carbon);
  padding-block: 1.4rem;
}
.ops-strip .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 2.75rem;
  align-items: baseline;
  justify-content: space-between;
}
.ops-strip .item {
  font-family: var(--font-mono);
  font-size: 0.78125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-line);
  white-space: nowrap;
}
.ops-strip .item strong {
  color: var(--white);
  font-weight: 600;
}
.ops-strip .item .tick { color: var(--red); }

/* ---------- Photo treatments ---------- */

.photo-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }

figure.op-photo { position: relative; }
figure.op-photo img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
figure.op-photo.op-photo--tall img { aspect-ratio: 4 / 3; }
figure.op-photo figcaption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-muted);
}
.section--dark figure.op-photo figcaption { color: var(--gray-line); }

/* CHAOS lens emblem: sits under the prose, capped so it stays above the
   bottom rule of the fact list beside it */
.chaos-emblem {
  display: block;
  width: 100%;
  max-height: 17rem;
  object-fit: contain;
  object-position: center;
  margin-top: 1.75rem;
}

.photo-feature {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

/* ---------- Split layout ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.split h2.display { font-size: clamp(1.8rem, 3.3vw, 2.6rem); margin-top: 0.85rem; }

/* ---------- Definition list blocks (mission/vision etc.) ---------- */

.fact-list { display: grid; gap: 0; border-top: 1px solid var(--gray-line); }
.fact-list .fact {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1.5rem;
  padding-block: 1.4rem;
  border-bottom: 1px solid var(--gray-line);
}
.fact-list .fact dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--red);
  padding-top: 0.3rem;
}
.fact-list .fact dd { margin: 0; }
.section--dark .fact-list { border-color: var(--carbon); }
.section--dark .fact-list .fact { border-color: var(--carbon); }

/* ---------- Roster (team) ---------- */

.roster { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--gray-line); }
.roster li {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.25rem;
  align-items: baseline;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--gray-line);
}
.roster--admin li { grid-template-columns: 1.2fr 1fr 1fr; align-items: center; }
.roster .r-id { display: flex; align-items: center; gap: 1.1rem; }
.roster .r-id img { width: 5.5rem; height: 5.5rem; object-fit: cover; flex: none; }

.roster .r-name a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--gray-line);
}
.roster .r-name a:hover { color: var(--red); border-bottom-color: var(--red); }
.roster .r-name {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.05rem;
  letter-spacing: 0;
}
.roster .r-role { color: var(--gray-mid); font-size: 0.9375rem; }
.roster .r-callsign {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-muted);
  text-align: right;
}

/* ---------- Timeline (real sequence only) ---------- */

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1.75rem;
  padding-block: 1.9rem;
  border-top: 1px solid var(--gray-line);
}
.timeline li:last-child { border-bottom: 1px solid var(--gray-line); }
.timeline .t-year {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--red);
}
.timeline h3 { font-size: 1.0625rem; font-weight: 700; margin-bottom: 0.35rem; }
.timeline p { color: var(--gray-mid); font-size: 0.9843rem; }

/* ---------- Member / client lists ---------- */

.member-list {
  list-style: none;
  margin: 0;
  padding: 0;
  columns: 2;
  column-gap: 3rem;
}
.member-list li {
  break-inside: avoid;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--gray-line);
  font-size: 0.9843rem;
}
.member-list li .org-detail { color: var(--gray-muted); }
.section--dark .member-list li { border-color: var(--carbon); }

/* ---------- App cards (Disaster AI) ---------- */

.app-card {
  background: var(--ink);
  border: 1px solid var(--carbon);
  padding: 1.9rem 1.7rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--gray-bg);
  transition: border-color 0.18s ease;
}
.app-card:hover { border-color: var(--red); }
.app-card .status-line {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-line);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.app-card .status-line::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--red);
  animation: blip-pulse 2.4s ease-out infinite;
}
.app-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 1.15rem;
  color: var(--white);
}
.app-card p { font-size: 0.9375rem; color: var(--gray-line); }
.app-card .card-more {
  margin-top: auto;
  padding-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-muted);
}
.app-card:hover .card-more { color: var(--red); }

/* ---------- Callout band (DSOC PRO, CTAs) ---------- */

.callout {
  background: var(--black);
  color: var(--gray-bg);
  border-block: 1px solid var(--carbon);
}
.callout .container {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.callout h2 { font-size: clamp(1.8rem, 3.3vw, 2.5rem); color: var(--white); margin: 0.8rem 0 0.9rem; }
.callout p { color: var(--gray-line); max-width: 38em; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--black);
  color: var(--gray-line);
  border-top: 1px solid var(--carbon);
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  padding-block: clamp(3rem, 6vw, 4.5rem);
}
.site-footer .footer-brand img { height: 4.5rem; width: auto; margin-bottom: 1.1rem; }
.site-footer p { font-size: 0.9375rem; }
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gray-muted);
  margin-bottom: 1.1rem;
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.55rem; }
.site-footer a { color: var(--gray-line); text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.footer-contact { font-style: normal; display: grid; gap: 0.55rem; font-size: 0.9375rem; }
.footer-contact .mono { font-size: 0.8125rem; letter-spacing: 0.06em; }

.footer-bar {
  border-top: 1px solid var(--carbon);
  padding-block: 1.1rem;
}
.footer-bar .container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-muted);
}

/* ---------- Scroll reveal ---------- */

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */

@media (max-width: 1024px) {
  .card-grid--5 { grid-template-columns: repeat(3, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .hero .container { grid-template-columns: 1fr; min-height: 0; }
  .radar-wrap { width: min(100%, 24rem); margin-top: 1rem; }
  .roster--admin li { grid-template-columns: 1.2fr 1fr; }
  .roster--admin .r-callsign { display: none; }
}

/* Collapse the nav early enough that iPads (portrait and landscape) get the menu */
@media (max-width: 1100px) {
  .site-nav {
    display: none;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--black);
    padding: 2rem var(--pad-x);
    overflow-y: auto;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav li { border-bottom: 1px solid var(--carbon); }
  .site-nav li.nav-sep { border-left: none; padding-left: 0; }
  .site-nav a {
    display: block;
    font-family: var(--font-display);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 1.4rem;
    padding: 0.9rem 0;
    border-bottom: none;
  }
  .site-nav a[aria-current="page"] { color: var(--red); }
  .nav-toggle { display: block; }
}

@media (max-width: 768px) {
  .utc-clock { display: none; }

  .split, .photo-feature, .callout .container { grid-template-columns: 1fr; }
  .photo-band { grid-template-columns: 1fr; }
  .card-grid--3, .card-grid--2 { grid-template-columns: 1fr; }
  .member-list { columns: 1; }
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .fact-list .fact { grid-template-columns: 1fr; gap: 0.35rem; }
  .timeline li { grid-template-columns: 1fr; gap: 0.6rem; padding-block: 1.5rem; }
  .roster li, .roster--admin li { grid-template-columns: 1fr; gap: 0.2rem; }
  .roster .r-callsign { text-align: left; }
}

@media (max-width: 520px) {
  .card-grid--5, .card-grid--4 { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2rem, 9.5vw, 2.6rem); }
  .ops-strip .item { white-space: normal; }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .radar::before { animation: none; transform: rotate(45deg); }
  .radar .blip, .hero-status .blip-dot, .app-card .status-line::before { animation: none; }
  .radar .bolt { display: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card, .app-card { transition: none; }
}