.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--navy);
  text-decoration: none;
}

.brand__logo {
  width: 13.5rem;
  height: auto;
}

.brand--footer {
  color: var(--white);
}

.brand--footer .brand__logo {
  width: 14.5rem;
}

.nav-toggle {
  display: inline-flex;
  min-width: 3rem;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle__label {
  font-size: 0.85rem;
  font-weight: 700;
}

.nav-toggle__icon {
  display: grid;
  width: 1.25rem;
  gap: 0.22rem;
}

.nav-toggle__icon i {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1rem;
}

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

.button {
  display: inline-flex;
  min-height: 3.15rem;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  color: var(--white);
  font-weight: 750;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  background: var(--teal);
  border: 2px solid var(--teal);
  border-radius: 0.75rem;
  box-shadow: 0 0.5rem 1.25rem rgb(11 110 117 / 16%);
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  transform: translateY(-1px);
}

.button--small {
  min-height: 2.75rem;
  padding: 0.7rem 1rem;
  font-size: 0.9rem;
}

.button--secondary {
  color: var(--navy);
  background: transparent;
  border-color: var(--border);
  box-shadow: none;
}

.button--secondary:hover {
  color: var(--teal-dark);
  background: var(--mint);
  border-color: var(--teal);
}

.button--light {
  color: var(--navy);
  background: var(--white);
  border-color: var(--white);
  box-shadow: none;
}

.button--light:hover {
  color: var(--navy);
  background: var(--mint);
  border-color: var(--mint);
}

.eyebrow {
  margin-bottom: 0.9rem;
  color: var(--teal-dark);
  font-size: var(--step--1);
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow--light {
  color: #75d2d4;
}

.tag {
  display: inline-flex;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.65rem;
  color: var(--teal-dark);
  font-size: var(--step--1);
  font-weight: 750;
  background: var(--mint);
  border-radius: 999px;
}

.card {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

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

.card--problem {
  padding-top: 2.2rem;
}

.card__signal {
  position: absolute;
  top: -1px;
  left: 2rem;
  width: 3.25rem;
  height: 0.3rem;
  background: var(--amber);
  border-radius: 0 0 0.25rem 0.25rem;
}

.card--solution {
  display: flex;
  min-height: 22rem;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.card--solution .text-link {
  margin-top: auto;
  padding-top: 2rem;
}

.card--principle h2 {
  color: var(--teal-dark);
  font-size: var(--step-2);
}

.text-link {
  color: var(--teal-dark);
  font-size: 0.94rem;
  font-weight: 750;
}

.text-link b {
  color: var(--amber);
}

.text-link--interactive {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.75rem;
  text-decoration: none;
}

.text-link--interactive:hover {
  text-decoration: underline;
}

.check-list {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.8rem;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.15em;
  display: grid;
  width: 1.15rem;
  height: 1.15rem;
  place-items: center;
  color: var(--white);
  font-size: 0.7rem;
  font-weight: 800;
  content: "✓";
  background: var(--teal);
  border-radius: 50%;
}

.check-list--compact {
  margin-top: 1.75rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.process-grid {
  display: grid;
  gap: 0;
  margin: 0;
  list-style: none;
  counter-reset: process;
}

.process-grid li {
  position: relative;
  padding: 1.5rem 1.25rem 1.5rem 2.25rem;
  border-left: 1px solid rgb(255 255 255 / 18%);
}

.process-grid li::before {
  position: absolute;
  top: 2rem;
  left: -0.32rem;
  width: 0.6rem;
  height: 0.6rem;
  content: "";
  background: var(--amber);
  border-radius: 50%;
}

.process-grid li > span {
  color: #75d2d4;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.process-grid li p {
  margin: 0;
  color: #b8c8d0;
}

.process-grid--light li {
  border-left-color: var(--border);
}

.process-grid--light li h3 {
  color: var(--navy);
}

.process-grid--light li p {
  color: var(--muted);
}

.process-grid--light li > span {
  color: var(--teal-dark);
}

.capability-grid article,
.profile-grid article {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.capability-grid p,
.profile-grid p {
  margin: 0;
  color: var(--muted);
}

.capability-icon {
  display: inline-grid;
  width: 2.5rem;
  height: 2.5rem;
  margin-bottom: 1.25rem;
  place-items: center;
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 800;
  background: var(--mint);
  border-radius: 0.7rem;
}

.profile-grid article > span {
  display: block;
  width: 2.5rem;
  height: 0.3rem;
  margin-bottom: 1.5rem;
  background: var(--teal);
  border-radius: 1rem;
}

.value-panel {
  padding: clamp(2rem, 5vw, 3.5rem);
  background: var(--ice);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.value-panel--operations {
  background: var(--mint);
  border-color: var(--mint-strong);
}

.compact-steps,
.feature-list,
.layer-list,
.not-grid ul {
  display: grid;
  gap: 1rem;
  margin: 0;
  list-style: none;
}

.compact-steps li,
.layer-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.compact-steps li > span,
.layer-list li > span {
  display: grid;
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  place-items: center;
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 800;
  background: var(--teal);
  border-radius: 50%;
}

.compact-steps p,
.layer-list p {
  margin: 0.2rem 0 0;
  color: var(--muted);
}

.feature-list li {
  display: flex;
  gap: 0.9rem;
  padding: 1.2rem;
  color: #dbe7eb;
  background: rgb(255 255 255 / 7%);
  border: 1px solid rgb(255 255 255 / 12%);
  border-radius: var(--radius-md);
}

.feature-list--light li {
  color: var(--text);
  background: rgb(255 255 255 / 62%);
  border-color: var(--mint-strong);
}

.feature-list--light span {
  color: var(--teal-dark);
}

.feature-list span {
  color: #75d2d4;
  font-weight: 800;
}

.layer-list {
  max-width: 58rem;
  margin-inline: auto;
}

.layer-list li {
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.layer-list h3 {
  margin-top: 0.3rem;
}

.not-grid ul li {
  position: relative;
  padding: 1rem 1rem 1rem 3rem;
  background: rgb(255 255 255 / 60%);
  border: 1px solid var(--mint-strong);
  border-radius: var(--radius-sm);
}

.not-grid ul li::before {
  position: absolute;
  left: 1rem;
  color: var(--teal-dark);
  font-weight: 800;
  content: "—";
}

.faq-list details {
  border-bottom: 1px solid var(--border);
}

.faq-list summary {
  display: flex;
  min-height: 4.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--navy);
  font-weight: 750;
  cursor: pointer;
  list-style: none;
}

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

.faq-list summary span {
  position: relative;
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
}

.faq-list summary span::before,
.faq-list summary span::after {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  content: "";
  background: var(--teal);
}

.faq-list summary span::after {
  transform: rotate(90deg);
  transition: transform 160ms ease;
}

.faq-list details[open] summary span::after {
  transform: rotate(0);
}

.faq-list details p {
  padding-right: 2rem;
  color: var(--muted);
}

.contact-card {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.contact-card__mark {
  display: inline-grid;
  width: 4rem;
  height: 4rem;
  margin-bottom: 1.5rem;
  place-items: center;
  background: var(--mint);
  border-radius: var(--radius-md);
}

.contact-card__mark img {
  width: 3rem;
}

.contact-card .button {
  width: 100%;
  margin-block: 0.75rem 1rem;
}

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

.contact-form-card {
  padding: clamp(1.25rem, 4vw, 2.5rem);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.contact-form-card > p {
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 1.15rem;
  margin-top: 1.5rem;
}

.form-grid {
  display: grid;
  gap: 1.15rem;
}

.form-field {
  display: grid;
  gap: 0.4rem;
}

.form-field label,
.form-check label {
  color: var(--navy);
  font-size: 0.88rem;
  font-weight: 750;
}

.form-field label small {
  color: var(--muted);
  font-weight: 500;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 0.85rem;
  color: var(--text);
  font: inherit;
  background: var(--white);
  border: 1px solid #aebdc4;
  border-radius: var(--radius-sm);
}

.form-field textarea {
  min-height: 9rem;
  resize: vertical;
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: var(--teal);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--teal);
  outline: 3px solid var(--teal);
  outline-offset: 2px;
  box-shadow: none;
}

.form-field [aria-invalid="true"],
.form-check input[aria-invalid="true"] {
  border-color: #a63c3c;
}

.form-field__hint {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.72rem;
}

.form-check {
  display: grid;
  grid-template-columns: 1.25rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
}

.form-check input {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.15rem 0 0;
  accent-color: var(--teal);
}

.form-check .form-error {
  grid-column: 2;
}

.form-error {
  color: #8f2828;
  font-size: 0.78rem;
  font-weight: 650;
}

.form-notice {
  display: grid;
  gap: 0.2rem;
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
}

.form-notice--success {
  color: var(--teal-dark);
  background: var(--mint);
  border: 1px solid var(--mint-strong);
}

.form-notice--error {
  color: #722323;
  background: #fff0f0;
  border: 1px solid #e5baba;
}

.form-footnote {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.form-honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

@media (min-width: 42rem) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.scope-note {
  padding-left: 1rem;
  color: #9fb3bc;
  font-size: var(--step--1);
  border-left: 2px solid var(--amber);
}

.technical-page {
  display: grid;
  min-height: 65vh;
  place-items: center;
  padding: 2rem;
  background: var(--ice);
}

.technical-card {
  width: min(100%, 42rem);
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.technical-eyebrow {
  color: var(--teal-dark);
  font-weight: 800;
  text-transform: uppercase;
}

.technical-title {
  font-size: var(--step-3);
}

.technical-lead {
  color: var(--muted);
  font-size: var(--step-1);
}

@media (min-width: 44rem) {
  .process-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .process-grid li {
    padding: 1.5rem;
    border-top: 1px solid rgb(255 255 255 / 18%);
    border-left: 0;
  }

  .process-grid li::before {
    top: -0.32rem;
    left: 1.5rem;
  }

  .process-grid--light li {
    border-top-color: var(--border);
  }
}