/* CASE STUDIES — SIGNAL AUDIT */

.cs-page {
  background: #050608;
  color: #f5f7fa;
  font-family: var(--sa-font-sans);
  overflow: hidden;
}

.cs-page *,
.cs-page *::before,
.cs-page *::after {
  box-sizing: border-box;
}

.cs-container {
  width: min(100%, 1240px);
  margin-inline: auto;
  padding-inline: 32px;
}

.cs-hero {
  position: relative;
  padding: 150px 0 25px;
  background:
    radial-gradient(ellipse at 82% 12%, rgba(51, 116, 207, .13), transparent 48%),
    #050608;
}

.cs-eyebrow {
  color: #83b9ff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.cs-hero h1 {
  margin: 32px 0;
  font-size: clamp(3.5rem, 7.5vw, 7.5rem);
  font-weight: 600;
  letter-spacing: -.065em;
  line-height: 1.02;
}

.cs-hero h1 span {
  color: #83b9ff;
}

.cs-hero__description {
  max-width: 680px;
  color: rgba(245, 247, 250, .72);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.65;
}

.cs-hero__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-top: 100px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.52);
  font-size: 12px;
  letter-spacing: .12em;
}

.cs-hero__bottom a {
  color: #f5f7fa;
  text-decoration: none;
}

.cs-hero__bottom a:hover,
.cs-study__link:hover {
  color: #83b9ff;
}

.cs-library {
  padding-bottom: 30px;
}

.cs-study {
  padding: 95px 0 105px;
  border-top: 1px solid rgba(255,255,255,.12);
  scroll-margin-top: 90px;
}

.cs-study__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  color: #83b9ff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .15em;
}

.cs-study h2 {
  max-width: 1000px;
  margin: 28px 0 44px;
  font-size: clamp(2.3rem, 4.6vw, 4.8rem);
  font-weight: 600;
  letter-spacing: -.045em;
  line-height: 1.1;
}

.cs-study__content {
  max-width: 900px;
}

.cs-field {
  margin: 0 0 22px;
  color: rgba(245,247,250,.72);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.85;
}

.cs-field strong {
  color: #f5f7fa;
  font-weight: 650;
}

.cs-study__link {
  display: inline-flex;
  gap: 16px;
  align-items: center;
  margin-top: 26px;
  padding-bottom: 10px;
  border-bottom: 1px solid #83b9ff;
  color: #f5f7fa;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color .2s ease;
}

.cs-closing {
  padding: 110px 0 130px;
  border-top: 1px solid rgba(255,255,255,.12);
  background: radial-gradient(ellipse at 50% 100%, rgba(51,116,207,.12), transparent 65%);
  text-align: center;
}

.cs-closing h2 {
  max-width: 900px;
  margin: 24px auto;
  font-size: clamp(2.5rem, 5vw, 5rem);
  letter-spacing: -.05em;
  line-height: 1.1;
}

.cs-closing p:not(.cs-eyebrow) {
  max-width: 650px;
  margin: 0 auto;
  color: rgba(245,247,250,.72);
  font-size: 18px;
  line-height: 1.7;
}

.cs-closing__button {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  margin-top: 38px;
  padding: 17px 26px;
  border: 1px solid #83b9ff;
  border-radius: 5px;
  background: #83b9ff;
  color: #050608;
  font-weight: 650;
  text-decoration: none;
  transition: background .2s ease;
}

.cs-closing__button:hover {
  background: #b2d4ff;
}

@media (max-width: 768px) {
  .cs-container {
    padding-inline: 22px;
  }

  .cs-hero {
    padding: 105px 0 65px;
  }

  .cs-hero__bottom {
    margin-top: 65px;
  }

  .cs-study {
    padding: 70px 0 80px;
  }

  .cs-study h2 {
    margin-bottom: 30px;
  }

  .cs-closing {
    padding: 85px 0 100px;
  }
}

@media (max-width: 480px) {
  .cs-hero h1 {
    font-size: clamp(2.7rem, 12vw, 4rem);
  }

  .cs-hero__bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .cs-study__meta {
    font-size: 10px;
  }

  .cs-field {
    line-height: 1.7;
  }
}