.skip-link {
  position: absolute;
  top: -40px;
  left: var(--space-4);
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  background-color: var(--color-electric-blue);
  color: var(--color-ice);
}

.skip-link:focus {
  top: var(--space-4);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background-color: rgba(2, 6, 23, 0.8);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  min-height: 4.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  font-weight: 800;
  min-width: 0;
}

.brand__logo {
  width: 32px;
  height: 32px;
  max-width: 32px;
  max-height: 32px;
  object-fit: contain;
  display: block;
  flex: 0 0 auto;
}

.brand__text {
  font-size: var(--text-sm);
}

.section--hero {
  padding-top: clamp(3.5rem, 11vw, 7rem);
  position: relative;
}

.section--hero::before {
  content: "";
  position: absolute;
  inset: 1rem 0 auto;
  height: min(26rem, 65vw);
  pointer-events: none;
  background-image: radial-gradient(circle at 30% 30%, rgba(56, 189, 248, 0.18) 1px, transparent 1.5px),
    radial-gradient(circle at 70% 55%, rgba(56, 189, 248, 0.16) 1px, transparent 1.5px),
    linear-gradient(105deg, transparent 10%, rgba(56, 189, 248, 0.16) 50%, transparent 90%);
  background-size: 12rem 12rem, 15rem 15rem, 100% 100%;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 95%);
}

.hero-grid {
  display: grid;
  gap: var(--space-8);
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--text-2xl);
  max-width: 23ch;
  margin-bottom: var(--space-5);
}

.hero-description {
  color: var(--color-text-secondary);
  max-width: 56ch;
}

.hero-actions {
  margin-top: var(--space-8);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero-actions .button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
}

.hero-support {
  margin-top: var(--space-5);
  color: var(--color-mint);
  font-size: var(--text-sm);
  font-weight: 600;
}

.ecosystem-panel .card__title {
  margin-bottom: var(--space-3);
}

.ecosystem-panel .card__text {
  margin-bottom: var(--space-6);
}

.ecosystem-flow {
  display: grid;
  gap: var(--space-3);
}

.ecosystem-node {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0.85rem 0.95rem 0.85rem 2rem;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(37, 99, 235, 0.16), rgba(2, 6, 23, 0.55));
  font-size: var(--text-sm);
  font-weight: 700;
}

.ecosystem-node::before {
  content: "";
  position: absolute;
  width: 0.6rem;
  height: 0.6rem;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  background-color: var(--color-cyan-tech);
  box-shadow: 0 0 0.8rem rgba(56, 189, 248, 0.75);
}

.brand-link {
  text-decoration: none;
}

.brand-card-link {
  min-height: 100%;
}

.ecosystem-node:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.08rem;
  top: calc(100% + 0.15rem);
  width: 1px;
  height: var(--space-3);
  background: linear-gradient(to bottom, rgba(56, 189, 248, 0.65), rgba(56, 189, 248, 0));
}

.section-header {
  max-width: 60ch;
  margin-bottom: var(--space-8);
}

.section-header h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: var(--space-4);
}

.section-header p {
  color: var(--color-text-secondary);
}

.section--ecosystem {
  position: relative;
}

.section--ecosystem::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.06), transparent 45%);
}

.ecosystem-header,
.ecosystem-steps,
.ecosystem-actions {
  position: relative;
  z-index: 1;
}

.ecosystem-steps {
  display: grid;
  gap: var(--space-4);
}

.ecosystem-step {
  position: relative;
  display: block;
  text-decoration: none;
  padding: var(--space-6);
}

.ecosystem-step:hover {
  border-color: rgba(56, 189, 248, 0.45);
  transform: translateY(-1px);
}

.ecosystem-step:focus-visible {
  outline: 2px solid var(--color-cyan-tech);
  outline-offset: 2px;
}

.ecosystem-step-card__top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.ecosystem-step-card__number {
  color: var(--color-cyan-tech);
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.ecosystem-step .card__title {
  margin-bottom: var(--space-2);
}

.ecosystem-step__role {
  margin-bottom: var(--space-3);
  color: var(--color-ice);
  font-weight: 700;
}

.ecosystem-actions {
  margin-top: var(--space-8);
}

.ecosystem-actions .button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section--audience {
  position: relative;
}

.section--audience::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.05), transparent 40%);
}

.audience-header,
.audience-grid,
.audience-actions {
  position: relative;
  z-index: 1;
}

.audience-grid {
  display: grid;
  gap: var(--space-4);
}

.audience-card {
  display: grid;
  gap: var(--space-3);
}

.audience-card__label {
  margin: 0;
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-cyan-tech);
}

.audience-card--maturity {
  border-color: rgba(56, 189, 248, 0.42);
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.45), 0 0 0 1px rgba(56, 189, 248, 0.15);
}

.audience-card--maturity .audience-card__label {
  color: var(--color-mint);
}

.audience-actions {
  margin-top: var(--space-8);
}

.audience-actions .button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section--fronts {
  position: relative;
}

.section--fronts::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.05), transparent 44%);
}

.fronts-header,
.fronts-grid,
.fronts-actions {
  position: relative;
  z-index: 1;
}

.fronts-grid {
  display: grid;
  gap: var(--space-4);
}

.fronts-card {
  padding: 0;
  overflow: hidden;
}

.fronts-card__link {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-6);
  text-decoration: none;
}

.fronts-card__link:hover {
  background: rgba(37, 99, 235, 0.08);
}

.fronts-card__link:focus-visible {
  outline: 2px solid var(--color-cyan-tech);
  outline-offset: -2px;
}

.fronts-card__role {
  margin: 0;
  color: var(--color-ice);
  font-weight: 700;
}

.fronts-card__meta {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.fronts-card__meta strong {
  color: var(--color-cyan-tech);
  font-weight: 700;
}

.fronts-card__cta {
  margin-top: var(--space-2);
  color: var(--color-cyan-tech);
  font-size: var(--text-sm);
  font-weight: 700;
}

.fronts-card--maturity {
  border-color: rgba(56, 189, 248, 0.42);
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.45), 0 0 0 1px rgba(56, 189, 248, 0.15);
}

.fronts-card--maturity .fronts-card__meta strong,
.fronts-card--maturity .fronts-card__cta {
  color: var(--color-mint);
}

.fronts-actions {
  margin-top: var(--space-8);
}

.fronts-actions .button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section--process {
  position: relative;
}

.section--process::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.05), transparent 44%);
}

.process-header,
.process-steps,
.process-actions {
  position: relative;
  z-index: 1;
}

.process-steps {
  display: grid;
  gap: var(--space-4);
}

.process-step {
  position: relative;
  display: block;
  text-decoration: none;
  padding-top: var(--space-8);
}

.process-step:hover {
  border-color: rgba(56, 189, 248, 0.45);
  transform: translateY(-1px);
}

.process-step:focus-visible {
  outline: 2px solid var(--color-cyan-tech);
  outline-offset: 2px;
}

.process-step__index {
  position: absolute;
  top: var(--space-4);
  left: var(--space-6);
  color: var(--color-cyan-tech);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.process-step::before {
  content: "";
  position: absolute;
  top: 0.45rem;
  left: 1.3rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--color-cyan-tech);
  box-shadow: 0 0 0.9rem rgba(56, 189, 248, 0.8);
}

.process-step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.63rem;
  top: 1.3rem;
  width: 1px;
  height: calc(100% + var(--space-2));
  background: linear-gradient(to bottom, rgba(56, 189, 248, 0.8), rgba(56, 189, 248, 0.1));
}

.process-step--maturity {
  border-color: rgba(56, 189, 248, 0.42);
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.45), 0 0 0 1px rgba(56, 189, 248, 0.15);
}

.process-step--maturity .process-step__index {
  color: var(--color-mint);
}

.process-step--maturity::before {
  background: var(--color-mint);
  box-shadow: 0 0 0.9rem rgba(56, 189, 248, 0.7);
}

.process-actions {
  margin-top: var(--space-8);
}

.process-actions .button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section--credibility {
  position: relative;
}

.section--credibility::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.05), transparent 44%);
}

.credibility-header,
.credibility-grid,
.credibility-actions {
  position: relative;
  z-index: 1;
}

.credibility-grid {
  display: grid;
  gap: var(--space-4);
}

.credibility-card {
  min-height: 100%;
}

.credibility-actions {
  margin-top: var(--space-8);
}

.credibility-actions .button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section--faq {
  position: relative;
}

.section--faq::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.04), transparent 42%);
}

.faq-header,
.faq-list,
.faq-actions {
  position: relative;
  z-index: 1;
}

.faq-list {
  display: grid;
  gap: var(--space-4);
}

.faq-item {
  padding: 0;
}

.faq-question {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--color-text-primary);
  text-align: left;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.35;
  padding: var(--space-6);
  padding-right: calc(var(--space-6) + 1.4rem);
  position: relative;
  cursor: pointer;
}

.faq-question::after {
  content: "+";
  position: absolute;
  right: var(--space-6);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-cyan-tech);
  font-size: 1.3rem;
  font-weight: 700;
}

.faq-question[aria-expanded="true"]::after {
  content: "−";
}

.faq-question:hover {
  background: rgba(37, 99, 235, 0.06);
}

.faq-question:focus-visible {
  outline: 2px solid var(--color-cyan-tech);
  outline-offset: -2px;
}

.faq-answer {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-secondary);
}

.faq-answer p {
  margin: 0;
}

.faq-actions {
  margin-top: var(--space-8);
}

.faq-actions .button {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.section--diagnostic {
  position: relative;
}

.section--diagnostic::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(37, 99, 235, 0.08), transparent 48%);
}

.diagnostic-header,
.diagnostic-panel {
  position: relative;
  z-index: 1;
}

.diagnostic-panel {
  max-width: 52rem;
}

.diagnostic-microcopy {
  margin: 0 0 var(--space-6);
  color: var(--color-mint);
  font-weight: 600;
}

.diagnostic-form {
  display: grid;
  gap: var(--space-5);
}

.diagnostic-grid {
  display: grid;
  gap: var(--space-5);
}

.form-field {
  display: grid;
  gap: var(--space-2);
}

.form-field label {
  font-weight: 700;
  font-size: var(--text-sm);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.75);
  color: var(--color-text-primary);
  font: inherit;
  padding: 0.75rem 0.85rem;
  min-height: 2.75rem;
}

.form-field input:focus-visible,
.form-field select:focus-visible,
.form-field textarea:focus-visible {
  outline: 2px solid var(--color-cyan-tech);
  outline-offset: 1px;
  border-color: rgba(56, 189, 248, 0.65);
}

.form-field textarea {
  resize: vertical;
  min-height: 7rem;
}

.form-field--checkbox {
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: var(--space-3);
}

.form-field--checkbox input[type="checkbox"] {
  margin-top: 0.22rem;
  width: 1rem;
  height: 1rem;
}

.form-help {
  margin: 0;
  color: var(--color-slate);
  font-size: var(--text-xs);
}

.form-error {
  margin: 0;
  min-height: 1.1rem;
  color: #fda4af;
  font-size: var(--text-xs);
  font-weight: 600;
}

.form-field.is-invalid input,
.form-field.is-invalid select,
.form-field.is-invalid textarea {
  border-color: #fda4af;
  box-shadow: 0 0 0 1px rgba(253, 164, 175, 0.25);
}

.form-actions {
  margin-top: var(--space-2);
}

.form-actions .button[disabled] {
  opacity: 0.7;
  cursor: wait;
}

.form-feedback {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
}

.form-feedback--success {
  color: var(--color-mint);
}

.form-feedback--error {
  color: #fda4af;
}

@media (max-width: 30rem) {
  .brand__logo {
    width: 28px;
    height: 28px;
    max-width: 28px;
    max-height: 28px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .nav .button {
    padding-inline: 0.9rem;
  }

  .faq-question {
    font-size: var(--text-md);
  }
}

@media (min-width: 56rem) {
  .hero-grid {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }

  .hero-actions .button {
    min-height: 2.8rem;
  }

  .ecosystem-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .ecosystem-node:not(:last-child)::after {
    display: none;
  }

  .ecosystem-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .ecosystem-step {
    min-height: 100%;
  }

  .ecosystem-step:not(:last-child)::after {
    content: "";
    position: absolute;
    left: auto;
    right: -1.55rem;
    top: 2.4rem;
    height: 1px;
    width: calc(var(--space-5) + 0.2rem);
    background: linear-gradient(to right, rgba(56, 189, 248, 0.8), rgba(56, 189, 248, 0.2));
  }

  .audience-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .fronts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .process-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .process-step {
    padding-top: var(--space-10);
  }

  .process-step:not(:last-child)::after {
    left: auto;
    right: -1.55rem;
    top: 0.82rem;
    height: 1px;
    width: calc(var(--space-5) + 0.2rem);
    background: linear-gradient(to right, rgba(56, 189, 248, 0.8), rgba(56, 189, 248, 0.2));
  }

  .credibility-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }

  .diagnostic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}