/* Aurora Chaser: shared styles */

:root {
  color-scheme: dark;

  --bg: #060a14;
  --bg-raised: #0b1222;
  --surface: #111a2e;
  --surface-2: #17223a;
  --border: #253250;
  --text: #e8eef8;
  --muted: #9cabc4;
  --link: #7fe3ff;

  --aurora-green: #2ef59a;
  --aurora-teal: #28c7d9;
  --aurora-violet: #9b6bff;
  --aurora-pink: #ff4f7b;

  --radius: 14px;
  --radius-sm: 8px;
  --content-width: 74rem;
  --gutter: max(1rem, 4vw);

  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
}

img,
svg {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--link);
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--aurora-teal);
  outline-offset: 2px;
}

h1,
h2,
h3 {
  line-height: 1.2;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--content-width));
  margin-inline: auto;
}

.muted {
  color: var(--muted);
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 2000;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--aurora-green);
  color: #04120b;
  font-weight: 600;
  text-decoration: none;

  &:focus {
    top: 1rem;
  }
}

/* ---------------------------------------------------------------- header */

.site-header {
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 1100;

  .container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 2rem;
    padding-block: 0.75rem;
  }

  ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  nav a {
    display: block;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.95rem;
    text-decoration: none;

    &:hover {
      color: var(--text);
      background: var(--surface);
    }

    &[aria-current='page'] {
      color: var(--text);
      background: var(--surface-2);
    }
  }
}

/* On phones the wrapped nav makes a tall header, so let it scroll away. */
@media (max-width: 40rem) {
  .site-header {
    position: static;

    nav a {
      padding: 0.3rem 0.6rem;
      font-size: 0.9rem;
    }
  }
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;

  img {
    width: 1.75rem;
    height: 1.75rem;
  }
}

/* ------------------------------------------------------------------ hero */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(3rem, 9vw, 6.5rem) clamp(2.5rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--border);

  /* Stars */
  &::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image:
      radial-gradient(1px 1px at 12% 18%, #fff9, transparent),
      radial-gradient(1px 1px at 28% 62%, #fff7, transparent),
      radial-gradient(1.5px 1.5px at 44% 24%, #fffa, transparent),
      radial-gradient(1px 1px at 58% 72%, #fff6, transparent),
      radial-gradient(1px 1px at 71% 15%, #fff8, transparent),
      radial-gradient(1.5px 1.5px at 83% 46%, #fff9, transparent),
      radial-gradient(1px 1px at 92% 80%, #fff6, transparent),
      radial-gradient(1px 1px at 6% 84%, #fff7, transparent),
      radial-gradient(1px 1px at 36% 8%, #fff8, transparent),
      radial-gradient(1px 1px at 64% 38%, #fff5, transparent);
  }

  /* Aurora glow, rising from the southern horizon (bottom of the hero) */
  &::after {
    content: '';
    position: absolute;
    inset: 20% -20% -40%;
    z-index: -1;
    background:
      radial-gradient(40% 55% at 25% 85%, color-mix(in srgb, var(--aurora-green) 45%, transparent), transparent 70%),
      radial-gradient(35% 60% at 60% 90%, color-mix(in srgb, var(--aurora-teal) 35%, transparent), transparent 70%),
      radial-gradient(30% 70% at 85% 80%, color-mix(in srgb, var(--aurora-violet) 35%, transparent), transparent 70%),
      radial-gradient(50% 40% at 50% 30%, color-mix(in srgb, var(--aurora-pink) 18%, transparent), transparent 70%);
    filter: blur(30px);
    animation: aurora-drift 18s ease-in-out infinite alternate;
  }

  h1 {
    max-width: 18ch;
    margin: 0 0 1rem;
    font-size: clamp(2.25rem, 6vw, 4rem);
    letter-spacing: -0.02em;
  }

  .lede {
    max-width: 60ch;
    margin: 0 0 2rem;
    color: #d3dced;
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  }
}

.hero--compact {
  padding-block: clamp(2.5rem, 6vw, 4rem) clamp(2rem, 4vw, 3rem);

  h1 {
    max-width: 24ch;
    font-size: clamp(2rem, 5vw, 3.25rem);
  }
}

@keyframes aurora-drift {
  from {
    transform: translateX(-4%) skewX(-4deg);
    opacity: 0.85;
  }
  to {
    transform: translateX(4%) skewX(4deg);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero::after {
    animation: none;
  }
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--aurora-green);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;

  &:hover {
    background: var(--surface-2);
  }

  &:disabled {
    opacity: 0.6;
    cursor: progress;
  }
}

.button--primary {
  border-color: transparent;
  background: linear-gradient(120deg, var(--aurora-green), var(--aurora-teal));
  color: #03140d;

  &:hover {
    background: linear-gradient(120deg, #5cffb4, #4fdbea);
  }
}

/* External links get a small arrow */
a[rel~='external']::after {
  content: '↗';
  display: inline-block;
  margin-inline-start: 0.2em;
  font-size: 0.85em;
  text-decoration: none;
}

/* -------------------------------------------------------------- sections */

.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);

  & + .section {
    border-top: 1px solid var(--border);
  }
}

.section__header {
  max-width: 62ch;
  margin-bottom: 1.75rem;

  h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
  }

  p {
    margin: 0;
    color: var(--muted);
  }
}

/* -------------------------------------------------------------- map tool */

.tool {
  display: grid;
  grid-template-columns: minmax(17rem, 21rem) minmax(0, 1fr);
  grid-template-rows: auto auto 1fr;
  grid-template-areas:
    'kp map'
    'place map'
    'legend map';
  gap: 1rem;
  align-items: start;
}

.tool__kp {
  grid-area: kp;
}

.tool__place {
  grid-area: place;
}

.tool__legend {
  grid-area: legend;
}

.tool__map {
  grid-area: map;
  position: sticky;
  top: 5rem;
}

/* On narrow screens put the map straight after the activity control */
@media (max-width: 56rem) {
  .tool {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: none;
    grid-template-areas: 'kp' 'map' 'place' 'legend';
  }

  .tool__map {
    /* MapLibre positions its canvas against the container, so keep it positioned. */
    position: relative;
    top: auto;
  }
}

.tool .panel + .panel {
  margin-top: 0;
}

.panel {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);

  & + .panel {
    margin-top: 1rem;
  }

  h3 {
    margin: 0 0 0.6rem;
    font-size: 1rem;
  }
}

.kp-control {
  label {
    display: block;
    font-weight: 600;
  }

  .kp-readout {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.25rem 0.75rem;
    margin: 0.35rem 0 0.5rem;
  }

  output {
    font-size: 1.9rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
  }

  input[type='range'] {
    width: 100%;
    margin: 0.25rem 0;
    accent-color: var(--aurora-green);
  }

  .scale {
    display: flex;
    justify-content: space-between;
    color: var(--muted);
    font-size: 0.8rem;
    font-variant-numeric: tabular-nums;
  }

  .hint {
    margin: 0.75rem 0 0;
    color: var(--muted);
    font-size: 0.85rem;
  }
}

#kp-activity {
  color: var(--aurora-green);
  font-weight: 600;
}

.presets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 1rem;

  button {
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font: inherit;
    font-size: 0.85rem;
    line-height: 1.3;
    text-align: left;
    cursor: pointer;

    small {
      display: block;
      color: var(--muted);
    }

    &:hover {
      background: var(--surface-2);
    }

    &[aria-pressed='true'] {
      border-color: var(--aurora-green);
      box-shadow: inset 0 0 0 1px var(--aurora-green);
    }
  }
}

.legend {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;

  li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.6rem;
    align-items: start;
  }

  .swatch {
    margin-top: 0.3em;
  }
}

.legend__detail {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.swatch {
  display: inline-block;
  flex: none;
  width: 0.85rem;
  height: 0.85rem;
  border-radius: 3px;
  background: var(--swatch);
  vertical-align: -0.1em;
}

.map {
  height: clamp(26rem, 72vh, 44rem);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #0b0f1c;
  overflow: hidden;
}

.map-error {
  margin: 0;
  padding: 2rem;
  color: var(--muted);
}

#place-panel:empty::before {
  content: 'Tap anywhere on the map, choose a viewing spot, or use your location to see how strong a storm needs to be.';
  color: var(--muted);
  font-size: 0.95rem;
}

#locate-status:empty {
  margin: 0;
}

#locate-status {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.caveat {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* Place details (map popups and the side panel) */

.place__title {
  margin: 0;
  font-size: 1.05rem;
}

.place__subtitle,
.place__note,
.place__mlat {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.place__mlat strong {
  color: var(--text);
}

.place__verdict {
  margin: 0.75rem 0;
  padding: 0.5rem 0.75rem;
  border-left: 4px solid var(--level);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: color-mix(in srgb, var(--level) 12%, transparent);
  font-size: 0.92rem;
  line-height: 1.5;
}

.place__needed {
  display: grid;
  gap: 0.25rem;
  margin: 0;
  font-size: 0.9rem;

  div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
  }

  dt {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--muted);
  }

  dd {
    margin: 0;
    font-variant-numeric: tabular-nums;
    font-weight: 600;
  }
}

/* MapLibre theming */

.maplibregl-map {
  font-family: var(--font);
}

.maplibregl-popup-content {
  padding: 0.9rem 1rem;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 8px 30px #0009;
  line-height: 1.5;
}

.maplibregl-popup-close-button {
  padding: 0 0.4rem;
  color: var(--muted);
  font-size: 1.25rem;

  &:hover {
    background: none;
    color: var(--text);
  }
}

.maplibregl-popup-anchor-top .maplibregl-popup-tip,
.maplibregl-popup-anchor-top-left .maplibregl-popup-tip,
.maplibregl-popup-anchor-top-right .maplibregl-popup-tip {
  border-bottom-color: var(--border);
}

.maplibregl-popup-anchor-bottom .maplibregl-popup-tip,
.maplibregl-popup-anchor-bottom-left .maplibregl-popup-tip,
.maplibregl-popup-anchor-bottom-right .maplibregl-popup-tip {
  border-top-color: var(--border);
}

.maplibregl-popup-anchor-left .maplibregl-popup-tip {
  border-right-color: var(--border);
}

.maplibregl-popup-anchor-right .maplibregl-popup-tip {
  border-left-color: var(--border);
}

.map-tooltip {
  pointer-events: none;

  .maplibregl-popup-content {
    padding: 0.3rem 0.6rem;
    border-radius: var(--radius-sm);
    box-shadow: none;
    font-size: 0.85rem;
    font-weight: 600;
  }
}

.maplibregl-ctrl-group {
  border: 1px solid var(--border);
  background: var(--surface);

  button + button {
    border-top-color: var(--border);
  }

  button:not(:disabled):hover {
    background-color: var(--surface-2);
  }

  /* The default icons are dark; invert them for the dark theme. */
  .maplibregl-ctrl-icon {
    filter: invert(1);
  }
}

.maplibregl-ctrl-attrib.maplibregl-compact {
  color: #0b1020;

  a {
    color: #0b4f8a;
  }
}

.maplibregl-ctrl-scale {
  border-color: var(--muted);
  background: #0b1020aa;
  color: var(--text);
}

/* ---------------------------------------------------------------- tables */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);

  & + h3 {
    margin-top: 2.5rem;
  }
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

caption {
  padding: 0.9rem 1rem 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: left;
}

th,
td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

thead th {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}

tbody tr:last-child > * {
  border-bottom: 0;
}

tbody th {
  min-width: 15rem;
  font-weight: 400;
}

tbody tr.is-visible {
  background: color-mix(in srgb, var(--aurora-green) 5%, transparent);
}

.num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.status {
  white-space: nowrap;
}

.table-note {
  display: block;
  margin-top: 0.15rem;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.45;
}

.link-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--link);
  font: inherit;
  font-weight: 600;
  text-align: left;
  text-decoration: underline;
  text-underline-offset: 0.15em;
  cursor: pointer;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.1rem 0.6rem;
  border: 1px solid color-mix(in srgb, var(--swatch) 55%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--swatch) 15%, transparent);
  font-size: 0.85rem;

  &::before {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--swatch);
  }
}

/* ----------------------------------------------------------------- cards */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  transition: border-color 0.15s, background-color 0.15s;

  &:has(a:hover) {
    border-color: var(--aurora-teal);
    background: var(--surface);
  }

  h3 {
    margin: 0;
    font-size: 1.1rem;
  }

  /* Make the whole card clickable via its heading link */
  h3 a {
    color: var(--text);
    text-decoration: none;

    &::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: inherit;
    }
  }

  p {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
  }

  .card__url {
    margin-top: auto;
    padding-top: 0.4rem;
    color: var(--aurora-teal);
    font-size: 0.8rem;
    overflow-wrap: anywhere;
  }
}

.card--featured {
  border-color: color-mix(in srgb, var(--aurora-green) 60%, var(--border));
  background:
    linear-gradient(140deg, color-mix(in srgb, var(--aurora-green) 14%, transparent), transparent 60%),
    var(--bg-raised);
}

/* ----------------------------------------------------------------- prose */

.prose {
  max-width: 68ch;

  h2 {
    margin: 3rem 0 0.75rem;
    font-size: clamp(1.5rem, 2.6vw, 1.9rem);
  }

  h3 {
    margin: 2rem 0 0.5rem;
    font-size: 1.2rem;
  }

  p,
  ul,
  ol {
    margin: 0 0 1rem;
  }

  li + li {
    margin-top: 0.35rem;
  }

  > :first-child {
    margin-top: 0;
  }
}

.layout-with-toc {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
}

@media (max-width: 56rem) {
  .layout-with-toc {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.toc {
  position: sticky;
  top: 5rem;
  font-size: 0.92rem;

  h2 {
    margin: 0 0 0.5rem;
    color: var(--muted);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  ol {
    display: grid;
    gap: 0.35rem;
    margin: 0;
    padding-left: 1.2rem;
    color: var(--muted);
  }

  a {
    color: var(--text);
    text-decoration: none;

    &:hover {
      color: var(--link);
    }
  }
}

@media (max-width: 56rem) {
  .toc {
    position: static;
  }
}

.callout {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--aurora-teal);
  border-radius: var(--radius-sm);
  background: var(--bg-raised);

  > :last-child {
    margin-bottom: 0;
  }
}

.figure {
  margin: 2rem 0;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #050913, #0a1324);

  svg {
    display: block;
    width: 100%;
  }

  figcaption {
    margin-top: 0.75rem;
    color: var(--muted);
    font-size: 0.9rem;
  }
}

.colour-list {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;

  li {
    display: grid;
    grid-template-columns: 0.4rem 1fr;
    gap: 1rem;
    padding: 0.75rem 1rem 0.75rem 0;
    border-radius: var(--radius-sm);
    background: var(--bg-raised);
  }

  li::before {
    content: '';
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    background: var(--swatch);
  }

  strong {
    display: block;
  }

  span {
    color: var(--muted);
    font-size: 0.95rem;
  }

  li + li {
    margin-top: 0;
  }
}

.checklist {
  counter-reset: step;
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;

  li {
    counter-increment: step;
    position: relative;
    padding: 0.9rem 1rem 0.9rem 3.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-raised);

    &::before {
      content: counter(step);
      position: absolute;
      left: 1rem;
      top: 0.9rem;
      display: grid;
      place-items: center;
      width: 1.6rem;
      height: 1.6rem;
      border-radius: 50%;
      background: var(--surface-2);
      color: var(--aurora-green);
      font-size: 0.85rem;
      font-weight: 700;
    }
  }

  strong {
    display: block;
  }

  span {
    color: var(--muted);
    font-size: 0.95rem;
  }
}

.definition-list {
  display: grid;
  gap: 1rem;
  margin: 0;

  div {
    padding: 1rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-raised);
  }

  dt {
    font-weight: 700;
  }

  dd {
    margin: 0.25rem 0 0;
    color: var(--muted);
  }
}

/* --------------------------------------------------- early warning page */

.breadcrumb {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;

  ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }

  li + li::before {
    content: '›';
    margin-inline-end: 0.5rem;
    color: var(--muted);
  }

  a {
    color: var(--aurora-green);
  }

  [aria-current='page'] {
    color: var(--muted);
  }
}

.calculator {
  margin: 1.5rem 0;

  label {
    display: block;
    font-weight: 600;
  }

  output {
    display: block;
    margin: 0.2rem 0 0.4rem;
    font-size: 1.6rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
  }

  input[type='range'] {
    width: 100%;
    accent-color: #ffc14d;
  }

  .calculator__result {
    margin: 0.75rem 0 0.25rem;

    strong {
      color: var(--aurora-green);
    }
  }

  .calculator__note {
    margin: 0;
    color: var(--muted);
    font-size: 0.92rem;
  }
}

.prose .card-grid {
  margin: 1.5rem 0 2rem;

  li + li {
    margin-top: 0;
  }
}

.prose .card p {
  margin: 0;
}

.card .spacecraft__meta {
  font-size: 0.85rem;
}

/* ---------------------------------------------------------------- footer */

.site-footer {
  margin-top: 2rem;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.88rem;

  p {
    max-width: 75ch;
    margin: 0 0 0.6rem;
  }
}