.nav__brand img,
.error-page__brand img {
  height: 58px;
  width: auto;
}

.footer__brand-mark img {
  height: 50px;
  width: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: box-shadow 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
  border: 1px solid transparent;
}

.btn--primary {
  background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
  color: #fff;
  box-shadow: 0 12px 24px -12px rgba(0, 64, 200, 0.6);
}

.btn--primary:hover {
  box-shadow: 0 16px 30px -12px rgba(0, 64, 200, 0.75);
}

.btn--ghost {
  border-color: var(--line-interactive);
  color: var(--fg);
}

.btn--ghost:hover {
  border-color: var(--blue-400);
  color: var(--blue-300);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.tag-list li {
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--blue-300);
  background: rgba(0, 80, 240, 0.06);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.card {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--blue-400);
}

.card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(0, 80, 240, 0.1);
  color: var(--blue-300);
  margin-bottom: 1.25rem;
}

.card__icon svg {
  width: 22px;
  height: 22px;
}

.card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
  color: var(--fg);
}

.card p {
  margin: 0;
  font-size: 0.95rem;
}

.step {
  position: relative;
  display: flex;
  gap: 1.5rem;
  padding-left: 3.5rem;
}

.step__index {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--blue-400);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--blue-300);
}

.step__body h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
  color: var(--fg);
}

.step__body p {
  margin: 0;
}

.pillar {
  padding: 1.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.pillar__index {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--blue-300);
  margin-bottom: 1rem;
}

.pillar h3 {
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

.pillar p {
  margin: 0;
  font-size: 0.9rem;
}

.field {
  margin: 0 0 1.1rem;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0 1rem;
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.field input,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: var(--surface);
  border: 1px solid var(--line-interactive);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font: inherit;
  transition: border-color 0.2s ease;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--blue-400);
}

.contact__status {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  margin: 0 0 0.75rem;
  z-index: 10;
  padding: 0.85rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 30px -10px rgba(0, 8, 72, 0.25);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--cyan-300);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.contact__status:not([hidden]) {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.contact__status.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.orbit__ring {
  fill: none;
  stroke: var(--line-interactive);
  stroke-width: 1;
  opacity: 0.6;
}

.orbit__core circle {
  fill: rgba(0, 80, 240, 0.12);
  stroke: var(--blue-400);
  stroke-width: 1.5;
}

.orbit__core path {
  fill: var(--blue-300);
}

.lost-orbit__ring {
  fill: none;
  stroke: var(--line-interactive);
  stroke-width: 1.5;
  stroke-dasharray: 6 10;
  opacity: 0.6;
}

.lost-orbit__trail {
  stroke: var(--line-interactive);
  stroke-width: 1.2;
  stroke-dasharray: 2 5;
  opacity: 0.7;
}

.lost-orbit__core circle {
  fill: rgba(0, 80, 240, 0.12);
  stroke: var(--blue-400);
  stroke-width: 1.5;
}

.lost-orbit__core path {
  fill: var(--blue-300);
}

.lost-orbit__satellite {
  fill: var(--cyan-300);
}

.orbit__satellite circle {
  fill: var(--cyan-300);
}