/*
 * OASSE × Signal Audit — Vanguard Pilot
 * Case Study 007
 *
 * Uses the shared Signal Audit case study stylesheet.
 * Draft for mutual approval; not yet approved for publication.
 */

.case-study-page--007 {
  --case-accent: #83b9ff;
  --case-accent-soft: rgba(131, 185, 255, 0.13);
}

.case-study-page--007 > h1 {
  max-width: 1200px;
}

.case-study-page--007 .oasse-flow {
  grid-template-columns:
    minmax(0, 1fr) auto minmax(0, 1fr)
    auto minmax(0, 1fr);
}

.case-study-page--007 .oasse-flow .case-flow-node {
  min-height: 300px;
}

.oasse-validation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 45px;
}

.oasse-validation-card {
  min-width: 0;
  padding: 36px;
  border: 1px solid var(--case-border);
  border-radius: 22px;
  background: var(--case-surface);
}

.oasse-validation-card > span {
  display: block;
  margin-bottom: 30px;
  font-family: var(--sa-font-sans);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--case-muted);
}

.oasse-validation-card > strong {
  display: block;
  margin-bottom: 24px;
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.055em;
  color: var(--case-ink);
}

.oasse-validation-card h3 {
  margin: 0 0 15px;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--case-ink);
}

.oasse-validation-card p {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--case-copy);
}

@media (max-width: 1100px) {
  .case-study-page--007 .oasse-flow {
    grid-template-columns: 1fr;
  }

  .case-study-page--007 .oasse-flow .case-flow-node {
    min-height: 0;
  }
}

@media (max-width: 767px) {
  .oasse-validation-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .oasse-validation-card {
    padding: 26px;
  }

  .case-study-page--007 > h1 {
    text-align: left;
  }
}

/* Business Challenge and collaborator branding */
.case-study-page--007 > .oasse-challenge-layout {
  position: relative;
  z-index: 2;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(0, 0.75fr);
  gap: clamp(32px, 4vw, 64px);
  align-items: center;
  width: min(100% - 80px, 1400px);
  max-width: 1400px;
  margin: 0 auto 105px;
  padding: 0;
  box-sizing: border-box;
}

.case-study-page--007 > .oasse-challenge-layout::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -24px -20px;
  border-radius: 28px;
  background: linear-gradient(
    90deg,
    rgba(131, 185, 255, 0.055) 0%,
    rgba(255, 255, 255, 0.15) 48%,
    rgba(255, 100, 30, 0.055) 100%
  );
  pointer-events: none;
}

.case-study-page--007 .oasse-challenge-content {
  min-width: 0;
}

.case-study-page--007 .oasse-challenge-content .case-study-section {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
}

.case-study-page--007 .oasse-partner-logos {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.case-study-page--007 .oasse-partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-width: 0;
}

.case-study-page--007 .oasse-partner-logo img {
  display: block;
  width: 500px;
  max-width: 100%;
  height: auto;
  max-height: none;
  padding: 20px 100px;
  box-sizing: border-box;
  object-fit: contain;
}

.case-study-page--007 .oasse-partner-logo:nth-child(2) img {
  padding: 20px 120px;
}

@media (max-width: 900px) {
  .case-study-page--007 > .oasse-challenge-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .case-study-page--007 > .oasse-challenge-layout::before {
    inset: -16px -8px;
    background: linear-gradient(
      180deg,
      rgba(131, 185, 255, 0.055),
      rgba(255, 100, 30, 0.055)
    );
  }

  .case-study-page--007 .oasse-partner-logos {
    flex-direction: row;
    gap: 24px;
  }

  .case-study-page--007 .oasse-partner-logo {
    flex: 1;
  }
}

@media (max-width: 767px) {
  .case-study-page--007 > .oasse-challenge-layout {
    z-index: 3;
    width: 100%;
    max-width: 100%;
    margin-bottom: 72px;
    padding: 48px 20px 0;
    background: #ffffff;
  }

  .case-study-page--007 > .oasse-challenge-layout::before {
    display: none;
  }

  .case-study-page--007 .oasse-challenge-content {
    position: relative;
    z-index: 1;
  }

  .case-study-page--007 .oasse-challenge-content .case-study-section {
    background: transparent;
  }
}

@media (max-width: 600px) {
  .case-study-page--007 .oasse-partner-logos {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .case-study-page--007 > .oasse-challenge-layout {
    padding-left: 16px;
    padding-right: 16px;
  }
}