.rb-page {
  margin: 0 auto;
  max-width: 1240px;
  padding: 12px 0 52px;
}

.rb-hero {
  background:
    radial-gradient(
      circle at 90% 10%,
      rgba(58, 183, 171, .22),
      transparent 33%
    ),
    linear-gradient(
      135deg,
      #0c2f47,
      #124e63
    );
  border-radius: 24px;
  box-shadow: 0 20px 55px rgba(10, 43, 65, .18);
  color: #fff;
  margin-bottom: 24px;
  overflow: hidden;
  padding: 38px;
  position: relative;
}

.rb-eyebrow {
  color: #bceee7;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.rb-hero h1 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.08;
  margin: 0;
  max-width: 820px;
}

.rb-hero p {
  color: #dceef2;
  font-size: 1.04rem;
  line-height: 1.7;
  margin: 18px 0 0;
  max-width: 820px;
}

.rb-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.rb-hero-fact {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  color: #fff;
  font-size: .86rem;
  font-weight: 700;
  padding: 8px 13px;
}

.rb-panel {
  background: #fff;
  border: 1px solid #d8e5e9;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(23, 52, 68, .06);
  margin-top: 20px;
  padding: 24px;
}

.rb-panel-heading {
  align-items: flex-start;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.rb-panel-heading h2 {
  color: #102f46;
  margin: 0;
}

.rb-panel-heading p {
  color: #617781;
  line-height: 1.6;
  margin: 6px 0 0;
}

.rb-result-count {
  background: #edf8f6;
  border: 1px solid #c8e6e0;
  border-radius: 999px;
  color: #17685f;
  flex: 0 0 auto;
  font-size: .82rem;
  font-weight: 800;
  padding: 8px 13px;
}

.rb-filter-grid {
  display: grid;
  gap: 15px;
  grid-template-columns:
    repeat(4, minmax(0, 1fr));
}

.rb-field label {
  color: #29495b;
  display: block;
  font-size: .81rem;
  font-weight: 800;
  margin-bottom: 7px;
}

.rb-field input,
.rb-field select {
  background: #fff;
  border: 1px solid #cddde2;
  border-radius: 11px;
  color: #173747;
  font: inherit;
  min-height: 46px;
  padding: 10px 12px;
  width: 100%;
}

.rb-field input:focus,
.rb-field select:focus {
  border-color: #168b82;
  box-shadow: 0 0 0 3px rgba(22, 139, 130, .13);
  outline: none;
}

.rb-filter-actions,
.rb-card-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.rb-btn {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  display: inline-flex;
  font-size: .9rem;
  font-weight: 800;
  justify-content: center;
  min-height: 43px;
  padding: 10px 16px;
  text-decoration: none;
}

.rb-btn-primary {
  background: #126f70;
  border-color: #126f70;
  color: #fff;
}

.rb-btn-primary:hover {
  background: #0c5d5e;
  color: #fff;
}

.rb-btn-secondary {
  background: #fff;
  border-color: #bcd0d7;
  color: #173f54;
}

.rb-btn-secondary:hover {
  background: #f2f7f8;
  color: #102f46;
}

.rb-btn-gold {
  background: #b58b2d;
  border-color: #b58b2d;
  color: #fff;
}

.rb-request-list {
  display: grid;
  gap: 20px;
  margin-top: 20px;
}

.rb-request-card {
  background: #fff;
  border: 1px solid #d7e4e8;
  border-radius: 19px;
  box-shadow: 0 10px 30px rgba(23, 52, 68, .06);
  overflow: hidden;
  padding: 25px;
  scroll-margin-top: 25px;
}

.rb-request-card:hover {
  border-color: #a9cbc9;
  box-shadow: 0 16px 38px rgba(23, 52, 68, .09);
}

.rb-card-top {
  align-items: flex-start;
  display: flex;
  gap: 18px;
  justify-content: space-between;
}

.rb-card-title {
  color: #102f46;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.3;
  margin: 0;
}

.rb-badges {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 7px;
  justify-content: flex-end;
}

.rb-badge {
  background: #e9f7f4;
  border: 1px solid #bfe2dc;
  border-radius: 999px;
  color: #17685f;
  font-size: .73rem;
  font-weight: 800;
  padding: 6px 10px;
}

.rb-badge-ppr {
  background: #fff7df;
  border-color: #ead49c;
  color: #7d5b12;
}

.rb-owner {
  color: #5e747f;
  font-size: .9rem;
  line-height: 1.6;
  margin-top: 12px;
}

.rb-owner a {
  font-weight: 800;
}

.rb-metadata {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 15px;
}

.rb-meta {
  background: #f4f8f9;
  border: 1px solid #dae6e9;
  border-radius: 9px;
  color: #405e6c;
  font-size: .79rem;
  padding: 7px 10px;
}

.rb-meta strong {
  color: #193f52;
}

.rb-ppr-note {
  background: #fffaf0;
  border: 1px solid #ebddb8;
  border-radius: 12px;
  color: #68521d;
  line-height: 1.6;
  margin-top: 16px;
  padding: 14px 16px;
}

.rb-abstract {
  background: #f7fafb;
  border: 1px solid #d9e5e8;
  border-radius: 13px;
  color: #294957;
  line-height: 1.72;
  margin-top: 17px;
  padding: 18px;
  white-space: pre-line;
}

.rb-qualification {
  background: #f2f8f7;
  border-left: 4px solid #238b80;
  border-radius: 0 12px 12px 0;
  margin-top: 16px;
  padding: 15px 17px;
}

.rb-qualification h3 {
  color: #174a50;
  font-size: .92rem;
  margin: 0 0 7px;
}

.rb-qualification p {
  color: #48646f;
  line-height: 1.6;
  margin: 0;
}

.rb-source {
  background: #f8fafb;
  border: 1px solid #dce6e9;
  border-radius: 13px;
  margin-top: 16px;
  padding: 16px;
}

.rb-source h3 {
  color: #173f54;
  font-size: .93rem;
  margin: 0 0 8px;
}

.rb-source p {
  color: #5d747f;
  line-height: 1.55;
  margin: 5px 0;
}

.rb-recommend {
  border-top: 1px solid #e0e9eb;
  margin-top: 20px;
  padding-top: 18px;
}

.rb-recommend summary {
  color: #174d5b;
  cursor: pointer;
  font-weight: 800;
  list-style-position: outside;
}

.rb-recommend summary:hover {
  color: #0d706b;
}

.rb-recommend-body {
  background: #f6faf9;
  border: 1px solid #d4e6e2;
  border-radius: 13px;
  margin-top: 13px;
  padding: 17px;
}

.rb-recommend-body > p {
  color: #56717a;
  line-height: 1.6;
  margin: 0 0 14px;
}

.rb-email-grid {
  display: grid;
  gap: 12px;
  grid-template-columns:
    repeat(3, minmax(0, 1fr));
}

.rb-confirm {
  align-items: flex-start;
  display: flex;
  gap: 9px;
  margin-top: 13px;
}

.rb-confirm input {
  flex: 0 0 auto;
  margin-top: 4px;
  width: auto;
}

.rb-confirm label {
  color: #4b6872;
  font-size: .84rem;
  line-height: 1.5;
  margin: 0;
}

.rb-empty {
  background: #f8fafb;
  border: 1px dashed #bed0d6;
  border-radius: 15px;
  color: #5d747e;
  line-height: 1.6;
  padding: 25px;
  text-align: center;
}

.rb-journal-grid {
  display: grid;
  gap: 16px;
  grid-template-columns:
    repeat(2, minmax(0, 1fr));
}

.rb-journal-card {
  background: #fbfcfd;
  border: 1px solid #dbe6e9;
  border-radius: 15px;
  padding: 19px;
}

.rb-journal-card h3 {
  color: #143b50;
  margin: 0;
}

.rb-disclaimer {
  color: #647983;
  font-size: .8rem;
  line-height: 1.6;
  margin: 24px auto 0;
  max-width: 950px;
  text-align: center;
}

@media (max-width: 980px) {
  .rb-filter-grid {
    grid-template-columns:
      repeat(2, minmax(0, 1fr));
  }

  .rb-email-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .rb-hero {
    border-radius: 18px;
    padding: 28px 22px;
  }

  .rb-panel,
  .rb-request-card {
    padding: 20px;
  }

  .rb-card-top {
    display: block;
  }

  .rb-badges {
    justify-content: flex-start;
    margin-top: 12px;
  }

  .rb-journal-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .rb-filter-grid {
    grid-template-columns: 1fr;
  }

  .rb-btn {
    width: 100%;
  }
}