:root {
  color-scheme: dark;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: #000;
  color: #fff;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

canvas#matrix {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}

main.card {
  position: relative;
  z-index: 1;
  background: rgba(0, 0, 0, 0.85);
  border: 1px solid rgba(0, 255, 153, 0.4);
  color: inherit;
  width: min(100%, 26rem);
}

.section-title {
  margin: 0 0 1rem;
  text-align: center;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}

main.card h1 {
  letter-spacing: 0.05em;
  text-shadow: 0 6px 32px rgba(0, 0, 0, 0.45);
}

.link-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.matrix-link {
  display: block;
  padding: 0.75rem;
  border: 1px solid rgba(0, 255, 153, 0.4);
  border-radius: 999px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.85rem;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.matrix-link:hover,
.matrix-link:focus-visible {
  background: rgba(0, 255, 153, 0.15);
  border-color: rgba(0, 255, 153, 0.7);
  color: rgba(255, 255, 255, 0.95);
}

.matrix-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.matrix-form__actions {
  display: flex;
  justify-content: center;
  margin-top: 1.25rem;
}

.form-control {
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(0, 255, 153, 0.4);
  color: inherit;
}

.form-control:focus {
  background: rgba(0, 0, 0, 0.7);
  border-color: rgba(0, 255, 153, 0.7);
  color: inherit;
  box-shadow: 0 0 0 0.25rem rgba(0, 255, 153, 0.15);
}

.form-control::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.contact-details {
  margin-top: 1.75rem;
}

.contact-details summary {
  list-style: none;
  cursor: pointer;
}

.contact-details summary::-webkit-details-marker {
  display: none;
}

.contact-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.contact-link::after {
  content: '';
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid rgba(0, 255, 153, 0.6);
  border-bottom: 2px solid rgba(0, 255, 153, 0.6);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}

.contact-details[open] .contact-link::after {
  transform: rotate(-135deg);
}

.contact-details[open] .contact-inner {
  margin-top: 1.35rem;
  padding-top: 1.35rem;
  border-top: 1px solid rgba(0, 255, 153, 0.25);
  display: flex;
}

.contact-inner {
  display: flex;
}

.contact-inner form {
  width: 100%;
}

.matrix-form__field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}

.matrix-form__field .form-control {
  min-height: 3rem;
  padding: 0.65rem 1rem;
}

.matrix-form__field textarea.form-control {
  min-height: 6rem;
  resize: vertical;
}