/* ========== Patents page: left teal (publications link) + right white (patents list) ========== */
.patents-page {
  min-height: 100vh;
  padding-top: var(--header-h, 114px);
  box-sizing: border-box;
  background: #fff;
}

.patents-split {
  display: grid;
  grid-template-columns: minmax(0, 38%) minmax(0, 62%);
  min-height: calc(100vh - var(--header-h, 114px));
  width: 100%;
}

.patents-left {
  background: #27a891;
  display: flex;
  align-items: flex-start;
  padding: 48px 40px 48px 44px;
  box-sizing: border-box;
}

.patents-left-inner {
  width: 100%;
}

.patents-pub-link {
  display: inline-block;
  color: #ffffff;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 400;
  text-transform: lowercase;
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.2;
}

.patents-pub-link:hover {
  color: rgba(255, 255, 255, 0.9);
}

.patents-pub-line {
  width: 72px;
  height: 4px;
  background: #ffffff;
  margin-top: 12px;
}

.patents-right {
  background: #ffffff;
  overflow-y: auto;
  padding: 48px 44px 60px 48px;
  box-sizing: border-box;
}

.patents-right-inner {
  max-width: 720px;
}

.patents-title {
  margin: 0 0 12px;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 400;
  color: #2d2d2d;
  text-transform: lowercase;
  font-family: Arial, Helvetica, sans-serif;
}

.patents-title-line {
  width: 72px;
  height: 4px;
  background: #27a891;
  margin-bottom: 36px;
}

.patent-entry {
  margin-bottom: 32px;
  font-family: Arial, Helvetica, sans-serif;
}

.patent-entry:last-child {
  margin-bottom: 0;
}

.patent-id {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: #1f1f1f;
  line-height: 1.35;
}

.patent-desc {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 400;
  color: #444;
  line-height: 1.55;
}

.patent-meta {
  margin: 0 0 4px;
  font-size: 13px;
  color: #555;
  line-height: 1.5;
}

.patent-meta strong {
  font-weight: 700;
  color: #2d2d2d;
}

/* ========== Responsive: stack left above right on tablet ========== */
@media (max-width: 900px) {
  .patents-split {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    min-height: auto;
  }

  .patents-left {
    padding: 32px 24px 28px;
  }

  .patents-pub-line {
    margin-top: 10px;
  }

  .patents-right {
    padding: 32px 24px 48px;
  }

  .patents-title-line {
    margin-bottom: 28px;
  }

  .patent-entry {
    margin-bottom: 28px;
  }
}

@media (max-width: 480px) {
  .patents-left {
    padding: 24px 18px 20px;
  }

  .patents-pub-link {
    font-size: 26px;
  }

  .patents-right {
    padding: 24px 18px 36px;
  }

  .patents-right-inner {
    max-width: none;
  }

  .patents-title {
    font-size: 26px;
  }

  .patents-title-line {
    margin-bottom: 22px;
  }

  .patent-id {
    font-size: 14px;
  }

  .patent-desc {
    font-size: 13px;
  }

  .patent-meta {
    font-size: 12px;
  }

  .patent-entry {
    margin-bottom: 24px;
  }
}