/* Professional material and flex testing */

.testing {
  position: relative;
  padding-block: clamp(96px, 9vw, 136px);
  overflow: hidden;
  border-top: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 82% 18%, rgba(13, 143, 201, 0.08), transparent 30%),
    var(--color-bg);
  scroll-margin-top: var(--header-height);
}

.testing::before {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 72px 100%;
  content: "";
  pointer-events: none;
}

.testing__container {
  position: relative;
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.testing__heading > div {
  grid-column: 1 / span 7;
}

.testing__heading .section-heading__intro {
  margin-bottom: 14px;
}

.testing-verification {
  display: grid;
  align-items: stretch;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 32px;
}

.testing-summary,
.testing-results {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.testing-summary__header {
  padding: 28px 30px 22px;
}

.testing-summary__label,
.testing-results__header > p {
  display: flex;
  margin: 0;
  align-items: center;
  gap: 10px;
  color: var(--color-cyan);
  font-family: var(--font-tech);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.testing-summary__label > span {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px rgba(0, 119, 184, 0.45);
}

.testing-summary h3,
.testing-results h3,
.verification-item h4 {
  margin: 0;
  color: var(--color-text);
}

.testing-summary h3 {
  margin-top: 12px;
  font-size: clamp(27px, 2.5vw, 34px);
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.testing-summary__media {
  margin: 0;
  overflow: hidden;
  border-block: 1px solid var(--color-border);
  aspect-ratio: 1465 / 1196;
  background: var(--color-surface-raised);
}

.testing-summary__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testing-summary__description {
  margin: 0;
  padding: 24px 30px 30px;
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1.75;
}

.testing-results {
  padding: 30px;
}

.testing-results__header {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.testing-results h3 {
  margin-top: 10px;
  font-size: clamp(27px, 2.5vw, 34px);
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.verification-list {
  display: grid;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  gap: 16px;
}

.verification-item {
  display: grid;
  min-width: 0;
  padding: 24px;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel-strong);
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
}

.verification-item__copy {
  display: grid;
  min-width: 0;
  align-items: start;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
}

.verification-item__number {
  display: grid;
  width: 44px;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  color: var(--color-cyan);
  font-family: var(--font-tech);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.verification-item h4 {
  font-size: 24px;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.verification-item__description {
  max-width: 34ch;
  margin: 8px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.65;
}

.verification-item__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
}

.verification-link {
  display: inline-flex;
  min-height: 44px;
  padding: 0 15px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  color: var(--color-cyan);
  font-size: 14px;
  font-weight: 700;
  gap: 8px;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast);
}

.verification-link svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}

.verification-link--view {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-on-accent);
}

@media (hover: hover) and (pointer: fine) {
  .verification-link:hover {
      border-color: var(--color-border-bright);
      background: var(--color-surface-raised);
      color: var(--color-text);
      transform: translateY(-2px);
    }

  .verification-link--view:hover {
      border-color: var(--color-accent-hover);
      background: var(--color-accent-hover);
      color: var(--color-on-accent);
    }
}

@media (min-width: 821px) {
  .testing-results {
      display: flex;
      flex-direction: column;
    }

  .verification-list {
      flex: 1;
      grid-template-rows: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1000px) {
  .testing__container {
      width: min(calc(100% - 48px), var(--container));
    }

  .testing__heading {
      grid-template-columns: 1fr;
    }

  .testing__heading > div {
      grid-column: 1;
    }

  .testing__heading .section-heading__intro {
      grid-column: 1;
      max-width: 640px;
      margin-bottom: 0;
    }

  .testing-verification {
      grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
      gap: 24px;
    }

  .testing-summary__header,
  .testing-summary__description,
  .testing-results {
      padding-right: 24px;
      padding-left: 24px;
    }

  .verification-item {
      align-items: stretch;
      grid-template-columns: 1fr;
      gap: 18px;
    }

  .verification-item__actions {
      justify-content: flex-start;
    }
}

@media (max-width: 820px) {
  .testing-verification {
      grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
  .testing {
      padding-block: 72px;
    }

  .testing::before {
      background-size: 48px 100%;
    }

  .testing__container {
      width: calc(100% - 40px);
    }

  .testing-verification {
      gap: 24px;
    }

  .testing-summary__header {
      padding: 22px 20px 18px;
    }

  .testing-summary__description {
      padding: 20px;
      font-size: 15px;
      line-height: 1.7;
    }

  .testing-results {
      padding: 22px 20px 20px;
    }

  .testing-results__header {
      padding-bottom: 20px;
    }

  .verification-list {
      margin-top: 20px;
      gap: 14px;
    }

  .verification-item {
      padding: 20px 16px;
    }

  .verification-item__copy {
      grid-template-columns: 40px minmax(0, 1fr);
      gap: 12px;
    }

  .verification-item__number {
      width: 40px;
    }

  .verification-item h4 {
      font-size: 22px;
    }

  .verification-item__actions {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 8px;
    }

  .verification-link {
      min-width: 0;
      padding-inline: 10px;
    }
}