.catalog-page {
  color: #243447;
  background: #fff;
}

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

.catalog-page .position {
  border-bottom: 1px solid #e9eef4;
}

.catalog-page .position .p {
  padding-bottom: 30px;
}

.catalog-page main {
  overflow: hidden;
}

.catalog-section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: #4177b7;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.catalog-section-kicker::before {
  width: 34px;
  height: 2px;
  content: "";
  background: #4177b7;
}

.catalog-overview {
  padding: 92px 0 100px;
  background:
    linear-gradient(90deg, rgba(65, 119, 183, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(65, 119, 183, 0.035) 1px, transparent 1px),
    #fff;
  background-size: 48px 48px;
}

.catalog-overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 82px;
  align-items: center;
}

.catalog-overview-copy h1,
.catalog-reader-heading h2 {
  margin: 0;
  color: #1f2f42;
  font-size: 38px;
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.catalog-summary {
  max-width: 620px;
  margin: 30px 0 0;
  color: #526276;
  font-size: 16px;
  line-height: 2;
}

.catalog-page-content {
  max-width: 620px;
  color: #526276;
  font-size: 15px;
  line-height: 1.9;
}

.catalog-page-content:not(:empty) {
  margin-top: 18px;
}

.catalog-page-content p {
  margin: 0 0 14px;
}

.catalog-page-content p:last-child {
  margin-bottom: 0;
}

.catalog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.catalog-button {
  display: inline-flex;
  min-width: 166px;
  height: 52px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 0 20px 0 24px;
  border: 1px solid #4177b7;
  font-size: 15px;
  font-weight: 600;
  transition: color 0.2s ease, background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.catalog-button i {
  font-family: Arial, sans-serif;
  font-size: 17px;
  font-style: normal;
}

.catalog-button-primary {
  color: #fff;
  background: #4177b7;
  box-shadow: 0 12px 28px rgba(65, 119, 183, 0.22);
}

.catalog-button-secondary {
  color: #315f94;
  background: #fff;
}

.catalog-button:hover,
.catalog-button:focus-visible {
  color: #fff;
  outline: none;
  background: #203954;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(32, 57, 84, 0.2);
}

.catalog-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 46px 0 0;
  padding-top: 25px;
  border-top: 1px solid #dfe6ed;
}

.catalog-meta > div {
  min-width: 0;
  padding: 0 20px;
  border-left: 1px solid #e2e8ee;
}

.catalog-meta > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.catalog-meta dt {
  margin-bottom: 8px;
  color: #8a99a8;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.catalog-meta dd {
  margin: 0;
  color: #2f4257;
  font-size: 13px;
  line-height: 1.65;
}

.catalog-cover {
  position: relative;
  padding: 18px;
  overflow: hidden;
  border: 1px solid #dce5ed;
  background: #fff;
  box-shadow: 0 28px 64px rgba(30, 56, 82, 0.16);
}

.catalog-cover::before {
  position: absolute;
  top: -72px;
  right: -72px;
  z-index: 2;
  width: 176px;
  height: 176px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
}

.catalog-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1.488 / 1;
  object-fit: cover;
}

.catalog-cover-badge {
  position: absolute;
  top: 34px;
  right: 34px;
  z-index: 3;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 13px;
  color: #fff;
  background: rgba(32, 57, 84, 0.88);
  backdrop-filter: blur(5px);
}

.catalog-cover-badge strong {
  font-family: Arial, sans-serif;
  font-size: 17px;
}

.catalog-cover-badge span {
  font-size: 9px;
  letter-spacing: 0.12em;
}

.catalog-cover-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 6px 4px;
}

.catalog-cover-caption span {
  color: #4177b7;
  font-size: 13px;
  font-weight: 700;
}

.catalog-cover-caption strong {
  color: #394d61;
  font-size: 14px;
  font-weight: 500;
  text-align: right;
}

.catalog-reader-section {
  padding: 94px 0 106px;
  background: #f3f6f9;
}

.catalog-reader-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
  margin-bottom: 44px;
}

.catalog-reader-heading > p {
  width: 440px;
  margin: 0 0 7px;
  color: #68788a;
  font-size: 15px;
  line-height: 1.85;
}

.catalog-reader-shell {
  overflow: hidden;
  border: 1px solid #d8e1ea;
  background: #fff;
  box-shadow: 0 22px 58px rgba(35, 62, 91, 0.12);
}

.catalog-reader-toolbar {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 20px 12px 24px;
  color: #fff;
  background: #203954;
}

.catalog-reader-status {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 14px;
  font-weight: 600;
}

.catalog-reader-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #78c940;
  box-shadow: 0 0 0 5px rgba(120, 201, 64, 0.13);
}

.catalog-reader-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.catalog-reader-actions a {
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #dce7f2;
  font-size: 12px;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.catalog-reader-actions a:hover,
.catalog-reader-actions a:focus-visible {
  border-color: #fff;
  color: #203954;
  outline: none;
  background: #fff;
}

.catalog-pdf-viewer {
  display: block;
  width: 100%;
  height: 820px;
  border: 0;
  background: #e8edf2;
}

.catalog-pdf-fallback {
  display: flex;
  min-height: 420px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  color: #34495f;
  text-align: center;
}

.catalog-pdf-fallback strong {
  font-size: 20px;
}

.catalog-pdf-fallback p {
  margin: 14px 0 24px;
  color: #6d7b89;
  font-size: 14px;
}

.catalog-pdf-fallback div {
  display: flex;
  gap: 12px;
}

.catalog-pdf-fallback a {
  padding: 10px 18px;
  border: 1px solid #4177b7;
  color: #4177b7;
}

.catalog-reader-note {
  margin: 18px 0 0;
  color: #8190a0;
  font-size: 12px;
  line-height: 1.7;
}

@media screen and (max-width: 1280px) {
  .catalog-overview-grid {
    gap: 52px;
  }

  .catalog-overview-copy h1,
  .catalog-reader-heading h2 {
    font-size: 34px;
  }
}

@media screen and (max-width: 1024px) {
  .catalog-page .position .center,
  .catalog-page section .center {
    width: auto;
    padding-right: 28px;
    padding-left: 28px;
  }

  .catalog-page .position .bt {
    padding-top: 26px;
  }

  .catalog-page .position .bt .float_l {
    font-size: 26px;
  }

  .catalog-page .position .bt .float_r {
    display: none;
  }

  .catalog-overview {
    padding: 68px 0 74px;
  }

  .catalog-overview-grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .catalog-overview-copy {
    max-width: 760px;
  }

  .catalog-cover {
    max-width: 760px;
  }

  .catalog-reader-section {
    padding-top: 72px;
    padding-bottom: 78px;
  }

  .catalog-reader-heading {
    display: block;
  }

  .catalog-reader-heading > p {
    width: auto;
    max-width: 650px;
    margin-top: 18px;
  }

  .catalog-pdf-viewer {
    height: 72vh;
    min-height: 620px;
  }
}

@media screen and (max-width: 679px) {
  .catalog-page .position .center,
  .catalog-page section .center {
    padding-right: 18px;
    padding-left: 18px;
  }

  .catalog-page .position .bt {
    padding-top: 18px;
  }

  .catalog-page .position .bt .float_l {
    font-size: 23px;
    line-height: 44px;
  }

  .catalog-overview {
    padding: 50px 0 58px;
    background-size: 32px 32px;
  }

  .catalog-section-kicker {
    margin-bottom: 13px;
    font-size: 11px;
  }

  .catalog-overview-copy h1,
  .catalog-reader-heading h2 {
    font-size: 27px;
    line-height: 1.42;
  }

  .catalog-summary {
    margin-top: 24px;
    font-size: 15px;
    line-height: 1.9;
  }

  .catalog-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 28px;
  }

  .catalog-button {
    min-width: 0;
    gap: 12px;
    padding-right: 15px;
    padding-left: 17px;
    font-size: 14px;
  }

  .catalog-meta {
    grid-template-columns: 1fr;
    gap: 17px;
    margin-top: 34px;
    padding-top: 22px;
  }

  .catalog-meta > div,
  .catalog-meta > div:first-child {
    padding: 0 0 0 13px;
    border-left: 2px solid #d7e3ef;
  }

  .catalog-cover {
    padding: 10px;
  }

  .catalog-cover-badge {
    top: 20px;
    right: 20px;
  }

  .catalog-cover-caption {
    display: block;
    padding: 16px 4px 4px;
  }

  .catalog-cover-caption strong {
    display: block;
    margin-top: 5px;
    text-align: left;
  }

  .catalog-reader-section {
    padding-top: 56px;
    padding-bottom: 62px;
  }

  .catalog-reader-heading {
    margin-bottom: 28px;
  }

  .catalog-reader-toolbar {
    display: block;
    padding: 16px;
  }

  .catalog-reader-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 14px;
  }

  .catalog-reader-actions a {
    text-align: center;
  }

  .catalog-pdf-viewer {
    height: 68vh;
    min-height: 520px;
  }

  .catalog-pdf-fallback {
    min-height: 360px;
  }

  .catalog-pdf-fallback div {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .catalog-page *,
  .catalog-page *::before,
  .catalog-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}