/* Engineering validation page */

.engineering-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 54px;
  align-items: center;
  min-height: auto;
  padding: 70px 0 86px;
}

.engineering-hero__content {
  max-width: 620px;
}

.engineering-hero h1 {
  max-width: 610px;
  font-size: clamp(3.1rem, 4.8vw, 5.2rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.engineering-hero__copy {
  max-width: 560px;
  margin: 24px 0 28px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.engineering-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.engineering-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 26px;
  background: radial-gradient(circle at top right, rgba(216,183,93,.14), transparent 44%), linear-gradient(145deg, rgba(255,255,255,.075), rgba(255,255,255,.024));
  box-shadow: 0 28px 80px rgba(0,0,0,.38);
}

.engineering-summary__item {
  min-height: 150px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.025));
}

.engineering-summary__item span,
.engineering-summary__item strong,
.engineering-summary__item small {
  display: block;
}

.engineering-summary__item span {
  margin-bottom: 14px;
  color: var(--muted-soft);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.engineering-summary__item strong {
  margin-bottom: 10px;
  font-size: clamp(2.2rem, 3.5vw, 3.5rem);
  line-height: .95;
  letter-spacing: -.05em;
}

.engineering-summary__item small {
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.45;
}

.validation-strip {
  width: 100%;
  margin: 0;
  padding: 46px 0;

  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.validation-strip__title {
  margin-bottom: 32px;

  color: var(--gold);

  font-size: 0.95rem;
  line-height: 1.5;
  text-align: center;
}

.validation-strip__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.validation-strip__grid article {
  min-width: 0;
  padding: 0 30px;

  border-right: 1px solid var(--border);
}

.validation-strip__grid article:first-child {
  padding-left: 0;
}

.validation-strip__grid article:last-child {
  padding-right: 0;
  border-right: 0;
}

.validation-strip__grid ion-icon {
  margin-bottom: 18px;

  color: var(--gold);

  font-size: 1.7rem;
}

.validation-strip__grid h2 {
  margin-bottom: 10px;

  font-size: 1.05rem;
  line-height: 1.3;
}

.validation-strip__grid p {
  color: var(--muted);

  font-size: 0.9rem;
  line-height: 1.65;
}

.engineering-section {
  padding: 64px 0;
  border-bottom: 1px solid var(--border);
}

.engineering-section__head {
  display: block;
  max-width: 760px;
  margin-bottom: 30px;
}

.engineering-section__head .section-title {
  max-width: 680px;
  font-size: clamp(2.35rem, 3.7vw, 3.7rem);
  line-height: .98;
  letter-spacing: -.045em;
}

.engineering-section__head .section-copy {
  max-width: 640px;
  margin-top: 18px;
  font-size: .96rem;
  line-height: 1.72;
}

.metrics-grid,
.load-test-grid,
.reliability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.metric-card,
.load-test-card,
.reliability-card {
  min-height: 260px;
  padding: 26px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.022));
}

.metric-card--featured {
  border-color: rgba(216,183,93,.8);
  background: radial-gradient(circle at top left, rgba(216,183,93,.13), transparent 40%), linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.024));
}

.metric-card__label {
  display: block;
  margin-bottom: 22px;
  color: var(--gold);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.metric-card__value {
  display: block;
  margin-bottom: 20px;
  font-size: clamp(3rem, 4.5vw, 4.8rem);
  line-height: .86;
  letter-spacing: -.065em;
}

.metric-card p,
.load-test-card p,
.reliability-card p {
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.65;
}

.evidence-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(18rem, 1.3fr);
  gap: 32px;
  align-items: start;
  margin-top: 22px;
  padding: 26px;
  border: 1px solid var(--border);
  border-left: 2px solid rgba(216,183,93,.7);
  border-radius: 18px;
  background: radial-gradient(circle at top right, rgba(216,183,93,.11), transparent 42%), linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.02));
}

.evidence-panel__media {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
}

.evidence-panel__media img {
  width: 100%;
  height: auto;
}

.evidence-panel__content h3 {
  margin: 10px 0 16px;
  font-size: clamp(1.55rem, 2.5vw, 2.35rem);
  line-height: 1;
  letter-spacing: -.04em;
}

.evidence-panel__content > p {
  color: var(--muted);
  line-height: 1.7;
}

.evidence-panel__note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--muted-soft) !important;
  font-size: .8rem;
  line-height: 1.6;
}

.load-test-card__number {
  display: block;
  margin-bottom: 26px;
  color: var(--gold);
  font-size: clamp(2.6rem, 4vw, 4.25rem);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -.055em;
}

.load-test-card h3,
.reliability-card h3 {
  margin-bottom: 14px;
  font-size: 1.15rem;
  line-height: 1.08;
  letter-spacing: -.03em;
}

.test-disclaimer {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  margin-top: 18px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-left: 2px solid rgba(216,183,93,.6);
  background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
}

.test-disclaimer ion-icon {
  flex: 0 0 auto;
  margin-top: 2px;
  color: var(--gold);
  font-size: 1.15rem;
}

.test-disclaimer p {
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.6;
}

.testing-layout {
  display: grid;
  grid-template-columns: minmax(16rem, .7fr) minmax(0, 1.3fr);
  gap: 18px;
}

.testing-summary {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 340px;
  padding: 30px;
  border: 1px solid rgba(216,183,93,.75);
  background: radial-gradient(circle at top left, rgba(216,183,93,.13), transparent 42%), linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.024));
}

.testing-summary strong {
  display: block;
  font-size: clamp(3.7rem, 5.5vw, 5.8rem);
  line-height: .84;
  letter-spacing: -.075em;
}

.testing-summary span {
  display: block;
  margin: 16px 0 22px;
  color: var(--gold);
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.testing-summary p {
  color: var(--muted);
  line-height: 1.7;
}

.testing-domains {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.testing-domains article {
  display: flex;
  gap: 13px;
  align-items: center;
  min-height: 82px;
  padding: 18px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.055), rgba(255,255,255,.019));
}

.testing-domains ion-icon {
  flex: 0 0 auto;
  color: var(--gold);
  font-size: 1.25rem;
}

.testing-domains span {
  font-size: .9rem;
  font-weight: 700;
  line-height: 1.35;
}

.reliability-card ion-icon {
  margin-bottom: 24px;
  color: var(--gold);
  font-size: 1.65rem;
}

.security-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.security-list article {
  min-height: 106px;
  padding: 22px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.016));
}

.security-list strong,
.security-list span {
  display: block;
}

.security-list strong {
  margin-bottom: 8px;
  font-size: .96rem;
}

.security-list span {
  color: var(--muted);
  font-size: .84rem;
  line-height: 1.55;
}

.architecture-flow {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr);
  gap: 10px;
  align-items: stretch;
}

.architecture-flow > ion-icon {
  align-self: center;
  color: var(--gold);
  font-size: 1.25rem;
}

.architecture-flow article {
  min-width: 0;
  min-height: 175px;
  padding: 22px;
  border: 1px solid var(--border);
  background: linear-gradient(145deg, rgba(255,255,255,.06), rgba(255,255,255,.021));
}

.architecture-flow article span,
.architecture-flow article strong,
.architecture-flow article small {
  display: block;
}

.architecture-flow article span {
  margin-bottom: 28px;
  color: var(--gold);
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .13em;
}

.architecture-flow article strong {
  margin-bottom: 12px;
  font-size: .98rem;
  line-height: 1.18;
}

.architecture-flow article small {
  color: var(--muted);
  font-size: .77rem;
  line-height: 1.5;
}

.validation-context {
  max-width: 900px;
  margin: 42px 0 18px;
  padding: 30px;
  border: 1px solid var(--border);
  border-left: 2px solid rgba(216,183,93,.7);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.017));
}

.validation-context h2 {
  margin: 10px 0 18px;
  font-size: clamp(1.95rem, 3vw, 2.9rem);
  line-height: 1;
  letter-spacing: -.045em;
}

.validation-context p {
  max-width: 800px;
  color: var(--muted);
  line-height: 1.75;
}

.validation-context p + p {
  margin-top: 14px;
}

.booking-copy h2 {
  font-size: clamp(2.5rem, 4vw, 4rem);
  line-height: .97;
}

@media (max-width: 1100px) {
.engineering-hero,
.evidence-panel,
.testing-layout {
  grid-template-columns: 1fr;
}

.metrics-grid,
.load-test-grid,
.reliability-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.validation-strip__grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px 0;
}

.validation-strip__grid article:nth-child(2) {
  padding-right: 0;
  border-right: 0;
}

.validation-strip__grid article:nth-child(3) {
  padding-left: 0;
}

.architecture-flow {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.architecture-flow > ion-icon {
  display: none;
}
}

@media (max-width: 760px) {
  .engineering-hero {
    grid-template-columns: 1fr;
    padding: 34px 0 56px;
    gap: 38px;
  }
  
  .engineering-hero h1 {
    font-size: clamp(2.8rem, 13vw, 4.4rem);
    line-height: .97;
  }
  
  .engineering-hero__actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .engineering-summary,
  .metrics-grid,
  .load-test-grid,
  .testing-domains,
  .reliability-grid,
  .security-list,
  .architecture-flow {
    grid-template-columns: 1fr;
  }
  
  .validation-strip {
    padding: 38px 0;
  }

  .validation-strip__title {
    margin-bottom: 26px;

    text-align: left;
  }

  .validation-strip__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .validation-strip__grid article,
  .validation-strip__grid article:first-child,
  .validation-strip__grid article:nth-child(2),
  .validation-strip__grid article:nth-child(3),
  .validation-strip__grid article:last-child {
    padding: 0 0 24px;
    margin-bottom: 24px;

    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .validation-strip__grid article:last-child {
    padding-bottom: 0;
    margin-bottom: 0;

    border-bottom: 0;
  }
  
  .engineering-section {
    padding: 52px 0;
  }

  .engineering-section__head .section-title {
    font-size: clamp(2.1rem, 10vw, 3.2rem);
  }

  .metric-card,
    .load-test-card,
    .reliability-card,
    .engineering-summary__item {
    min-height: auto;
  }

  .evidence-panel,
    .validation-context,
    .testing-summary {
    padding: 22px;
  }

  .testing-summary {
    min-height: auto;
  }

  .architecture-flow article {
    min-height: auto;
  }
}

@media (max-width: 480px) {
  .engineering-summary {
  grid-template-columns: 1fr;
  padding: 16px;
  }

  .metric-card,
    .load-test-card,
    .reliability-card {
    padding: 22px;
  }
}