.newsletters-banner {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #26314d;
}

.newsletters-banner-bg {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  opacity: 0.28;
}

.newsletters-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 81, 152, 0.9), rgba(38, 49, 77, 0.72));
}

.newsletters-banner-inner {
  position: relative;
  z-index: 1;
  max-width: 980px;
  padding: 60px 20px;
  color: #ffffff;
  text-align: center;
}

.newsletters-banner-super {
  margin: 0 0 12px;
  color: #b8d9f3;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.newsletters-banner h2 {
  margin: 0 0 18px;
  font-size: 42px;
  line-height: 1.12;
}

.newsletters-banner-sub {
  max-width: 760px;
  margin: 0 auto;
  font-size: 18px;
  line-height: 1.6;
}

.newsletters-section {
  padding: 70px 20px;
  background: #f5f7fb;
}

.newsletters-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 42px;
  max-width: 1320px;
  margin: 0 auto;
}

.newsletters-sidebar {
  align-self: start;
  position: sticky;
  top: 110px;
  overflow: hidden;
  padding: 0;
  border-radius: 24px;
  background: linear-gradient(180deg, #005198 0%, #26314d 100%);
  box-shadow: 0 18px 42px rgba(0, 81, 152, 0.22);
}

.newsletters-sidebar-title {
  margin: 0;
  padding: 24px 24px 8px;
  color: #ffffff;
  font-size: 24px;
}

.newsletters-sidebar-title::after {
  content: "Selecciona un periodo";
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 500;
}

.newsletters-year-list {
  list-style: none;
  padding: 16px;
  margin: 0;
  display: grid;
  gap: 8px;
}

.newsletters-year-btn {
  width: 100%;
  position: relative;
  padding: 14px 44px 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  cursor: pointer;
  font-weight: 700;
  text-align: left;
  transition: all 0.25s ease;
}

.newsletters-year-btn::after {
  content: "\f105";
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  opacity: 0.7;
}

.newsletters-year-btn:hover,
.newsletters-year-btn.active {
  background: #ffffff;
  color: #005198;
  border-color: #ffffff;
}

.newsletters-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 1fr));
  gap: 26px;
}

.newsletter-card {
  position: relative;
  overflow: hidden;
  border: 1px solid #e4edf5;
  border-radius: 24px;
  background: #ffffff;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.07);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.newsletter-card::before {
  content: attr(data-year);
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 16px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(0, 81, 152, 0.92);
  color: #ffffff;
  font-size: 13px;
  font-weight: 800;
}

.newsletter-card.is-hidden {
  display: none;
}

.newsletter-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 42px rgba(0, 81, 152, 0.16);
}

.newsletter-card-img {
  height: 260px;
  padding: 20px;
  background:
    radial-gradient(circle at 20% 20%, rgba(0, 81, 152, 0.1), transparent 13rem),
    linear-gradient(135deg, #f8fbff 0%, #edf4fa 100%);
}

.newsletter-card-img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.newsletter-card-body {
  padding: 22px;
  border-top: 1px solid #eef3f7;
}

.newsletter-type {
  display: inline-flex;
  margin-bottom: 10px;
  color: #005198;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.newsletter-card h3 {
  margin: 0 0 18px;
  color: #26314d;
  font-size: 22px;
}

.newsletter-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.newsletter-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid #005198;
  cursor: pointer;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.newsletter-view {
  background: #005198;
  color: #ffffff;
}

.newsletter-download {
  background: #ffffff;
  color: #005198;
}

.newsletter-view:hover {
  background: #26314d;
  border-color: #26314d;
}

.newsletter-download:hover {
  background: #eef6fc;
}

.newsletter-pdf-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 22px;
  background: rgba(15, 23, 42, 0.78);
}

.newsletter-pdf-modal.is-open {
  display: flex;
}

.newsletter-pdf-dialog {
  width: min(1040px, 100%);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.32);
}

.newsletter-pdf-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px 22px;
  background: #005198;
  color: #ffffff;
}

.newsletter-pdf-header span {
  display: block;
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.newsletter-pdf-header h3 {
  margin: 0;
  font-size: 20px;
}

.newsletter-pdf-close {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  cursor: pointer;
  font-size: 18px;
}

.newsletter-pdf-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  padding: 14px 18px;
  border-bottom: 1px solid #e4edf5;
  background: #f8fbff;
}

.newsletter-pdf-open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #d7e4ef;
  border-radius: 999px;
  padding: 9px 15px;
  background: #ffffff;
  color: #005198;
  font-weight: 800;
  text-decoration: none;
}

.newsletter-pdf-open:hover {
  background: #eef6fc;
}

.newsletter-pdf-body {
  position: relative;
  height: min(72vh, 760px);
  min-height: 520px;
  overflow: auto;
  padding: 0;
  background: #dfe7ef;
  text-align: center;
}

.newsletter-pdf-loading {
  position: absolute;
  inset: 24px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  color: #005198;
  font-weight: 800;
}

.newsletter-pdf-loading.is-visible {
  display: flex;
}

.newsletter-pdf-viewer {
  width: 100%;
  height: 100%;
  background: #ffffff;
}

.newsletter-pdf-viewer embed,
.newsletter-pdf-viewer iframe,
.newsletter-pdf-viewer object {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

@media (max-width: 992px) {
  .newsletters-layout {
    grid-template-columns: 1fr;
  }

  .newsletters-sidebar {
    position: static;
  }

  .newsletters-year-list {
    grid-template-columns: repeat(4, 1fr);
  }

  .newsletters-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .newsletter-card-img {
    height: 240px;
  }
}

@media (max-width: 640px) {
  .newsletters-banner h2 {
    font-size: 32px;
  }

  .newsletters-year-list,
  .newsletters-grid {
    grid-template-columns: 1fr;
  }

  .newsletter-pdf-toolbar {
    flex-wrap: wrap;
  }
}