.subpage {
  background: var(--paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.subpage-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(249, 249, 249, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}

.subpage-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  gap: 16px;
}

.subpage-back {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.subpage-back:hover span {
  transform: translateX(3px);
}

.subpage-back span {
  display: inline-block;
  transition: transform 0.2s ease;
}

.subpage-main {
  flex: 1;
  padding: 64px 0 80px;
}

.boletin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.boletin-intro h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  color: var(--ink);
}

.boletin-intro h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--ink-soft);
}

.boletin-intro .lead {
  margin: 0 0 28px;
  max-width: 34rem;
}

.boletin-benefits {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.boletin-benefits li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.5;
}

.boletin-benefits span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.boletin-privacy {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 32rem;
}

.boletin-panel {
  background: var(--white);
  border: 1px solid var(--line-soft);
  padding: 32px;
}

.boletin-panel-head {
  margin-bottom: 24px;
}

.boletin-panel-head h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
}

.boletin-panel-head p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.boletin-form {
  display: grid;
  gap: 14px;
}

.boletin-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
  margin: 4px 0 8px;
}

.boletin-consent input {
  margin-top: 2px;
  flex-shrink: 0;
}

.form-error {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: #8a1f1f;
}

.boletin-channel {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  display: grid;
  gap: 8px;
}

.boletin-channel span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.boletin-channel a {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.boletin-channel a:hover {
  text-decoration: underline;
}

.subpage-footer {
  border-top: 1px solid var(--line-soft);
  padding: 20px 0;
  font-size: 12px;
  color: var(--muted);
}

.subpage-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.subpage-footer a {
  color: var(--muted);
  text-decoration: none;
}

.subpage-footer a:hover {
  color: var(--ink);
}

@media (max-width: 960px) {
  .boletin-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .boletin-panel {
    padding: 24px;
  }

  .subpage-footer .container {
    flex-direction: column;
  }
}