/* ==========================================================================
   Immunology and Health page
   ========================================================================== */

:root {
  --ib-card-border: #deeede;
  --ib-card-border-soft: #eef5ee;
  --ib-tag-bg: #f0f9f0;
  --ib-muted-2: #7a9a7a;
  --ib-muted-3: #8aaa8a;
}

/* --------------------------------------------------------------------
   Shared: scroll triggered reveal, used throughout this page. Toggled
   to .in-view by immunology-background.js when an element scrolls
   into view. Same timing as the reveal system on the POLARIS page.
   -------------------------------------------------------------------- */

.dripem-imm-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.dripem-imm-reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.dripem-imm-reveal--d1 { transition-delay: 0.05s; }
.dripem-imm-reveal--d2 { transition-delay: 0.16s; }
.dripem-imm-reveal--d3 { transition-delay: 0.27s; }
.dripem-imm-reveal--d4 { transition-delay: 0.38s; }

@media (prefers-reduced-motion: reduce) {
  .dripem-imm-reveal {
    transition: none;
    opacity: 1;
    transform: none;
  }
}

/* --------------------------------------------------------------------
   Wrap / layout
   -------------------------------------------------------------------- */

.dripem-imm-wrap {
  background: var(--bg-off-white);
  padding: 80px 52px;
  box-sizing: border-box;
}

.dripem-imm-inner {
  max-width: 1100px;
  margin: 0 auto;
}

/* Page header */
.dripem-imm-header {
  margin-bottom: 56px;
  max-width: 680px;
}

.dripem-imm-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dripem-mid-green);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.dripem-imm-eyebrow-line { display: inline-block; width: 24px; height: 1.5px; background: var(--dripem-mid-green); flex-shrink: 0; }

.dripem-imm-page-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 700;
  color: var(--dripem-darkest-green);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 16px;
}
.dripem-imm-page-title em { font-style: normal; color: var(--dripem-mid-green); }

.dripem-imm-page-intro {
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.75;
}

/* Section titles */
.dripem-imm-section {
  margin-bottom: 52px;
}

.dripem-imm-section-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--dripem-darkest-green);
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  padding-left: 14px;
  border-left: 3px solid var(--dripem-mid-green);
}

.dripem-imm-section-sub {
  font-size: 15px;
  font-weight: 600;
  color: var(--dripem-darkest-green);
  margin: 20px 0 8px;
}

.dripem-imm-body {
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.75;
  margin-bottom: 14px;
}

.dripem-imm-list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dripem-imm-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.55;
  background: var(--bg-white);
  border: 1px solid var(--ib-card-border);
  border-radius: 10px;
  padding: 10px 14px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.dripem-imm-list li:hover {
  border-color: var(--dripem-mid-green);
  transform: translateX(3px);
}

.dripem-imm-list-dot {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--dripem-mid-green);
  margin-top: 5px;
}

/* Two-column layout */
.dripem-imm-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 16px;
}

.dripem-imm-cols.wide { grid-template-columns: 3fr 2fr; }
.dripem-imm-cols.narrow { grid-template-columns: 2fr 3fr; }

/* Immunity type cards */
.dripem-imm-type-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
}

.dripem-imm-type-card {
  border-radius: 16px;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.dripem-imm-type-card:hover {
  transform: translateY(-5px);
}

.dripem-imm-type-card.innate {
  background: var(--dripem-darkest-green);
}

.dripem-imm-type-card.innate:hover {
  box-shadow: 0 16px 36px rgba(29, 63, 31, 0.22);
}

.dripem-imm-type-card.adaptive {
  background: var(--bg-white);
  border: 1.5px solid var(--ib-card-border);
}

.dripem-imm-type-card.adaptive:hover {
  box-shadow: 0 16px 36px rgba(68, 139, 67, 0.14);
  border-color: var(--dripem-mid-green);
}

.dripem-imm-type-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.innate .dripem-imm-type-label { color: var(--dripem-light-green); }
.adaptive .dripem-imm-type-label { color: var(--dripem-mid-green); }

.dripem-imm-type-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.25;
}
.innate .dripem-imm-type-title { color: #d8f0d8; }
.adaptive .dripem-imm-type-title { color: var(--dripem-darkest-green); }

.dripem-imm-type-desc {
  font-size: 13px;
  line-height: 1.6;
}
.innate .dripem-imm-type-desc { color: var(--ib-muted-2); }
.adaptive .dripem-imm-type-desc { color: var(--ink-muted); }

.dripem-imm-type-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.dripem-imm-type-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 100px;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.innate .dripem-imm-type-tag {
  color: var(--dripem-light-green);
  background: rgba(110, 204, 110, 0.1);
  border: 1px solid rgba(110, 204, 110, 0.2);
}
.innate .dripem-imm-type-tag:hover {
  background: rgba(110, 204, 110, 0.2);
}
.adaptive .dripem-imm-type-tag {
  color: var(--dripem-dark-green);
  background: var(--ib-tag-bg);
  border: 1px solid var(--ib-card-border);
}
.adaptive .dripem-imm-type-tag:hover {
  background: var(--ib-card-border-soft);
  border-color: var(--dripem-mid-green);
}

/* Lymphocyte table-style rows */
.dripem-imm-cd-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.dripem-imm-cd-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0;
  background: var(--bg-white);
  border: 1px solid var(--ib-card-border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.dripem-imm-cd-row:hover {
  border-color: var(--dripem-mid-green);
  box-shadow: 0 10px 24px rgba(29, 63, 31, 0.1);
  transform: translateX(3px);
}

.dripem-imm-cd-label {
  background: var(--dripem-darkest-green);
  padding: 12px 14px;
  font-size: 12px;
  font-weight: 700;
  color: #d0f0d0;
  display: flex;
  align-items: center;
}

.dripem-imm-cd-text {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* Postbiotic category tags */
.dripem-imm-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 16px;
}

.dripem-imm-cloud-tag {
  font-size: 13px;
  font-weight: 500;
  color: var(--dripem-dark-green);
  background: var(--ib-tag-bg);
  border: 1px solid var(--ib-card-border);
  padding: 7px 14px;
  border-radius: 100px;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.dripem-imm-cloud-tag:hover {
  background: var(--ib-card-border-soft);
  border-color: var(--dripem-mid-green);
  transform: translateY(-2px);
}

/* Divider */
.dripem-imm-divider {
  height: 1px;
  background: var(--ib-card-border);
  margin: 48px 0;
}

/* Highlight box */
.dripem-imm-highlight {
  background: var(--dripem-darkest-green);
  border-radius: 14px;
  padding: 28px 32px;
  margin: 24px 0 32px;
  animation: dripem-imm-breathe 3.6s ease-in-out infinite;
}

.dripem-imm-highlight-title {
  font-size: 15px;
  font-weight: 700;
  color: #d0f0d0;
  margin-bottom: 8px;
}

.dripem-imm-highlight-text {
  font-size: 15px;
  color: var(--ib-muted-2);
  line-height: 1.7;
}

.dripem-imm-highlight-text em {
  font-style: normal;
  color: var(--dripem-light-green);
  font-weight: 600;
}

/* Pull quote */
.dripem-imm-pullquote {
  border-left: 3px solid var(--dripem-mid-green);
  padding: 6px 0 6px 20px;
  margin: 20px 0;
}

.dripem-imm-pullquote p {
  font-size: 15px;
  font-weight: 500;
  color: var(--dripem-darkest-green);
  line-height: 1.65;
  margin: 0;
  font-style: italic;
}

/* --------------------------------------------------------------------
   Micro animation: subtle breathing glow on the highlight box
   -------------------------------------------------------------------- */

@keyframes dripem-imm-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(99, 186, 100, 0); }
  50% { box-shadow: 0 0 0 8px rgba(99, 186, 100, 0.06); }
}

@media (prefers-reduced-motion: reduce) {
  .dripem-imm-highlight { animation: none; }
}

@media (max-width: 860px) {
  .dripem-imm-wrap { padding: 56px 24px; }
  .dripem-imm-type-grid { grid-template-columns: 1fr; }
  .dripem-imm-cols, .dripem-imm-cols.wide, .dripem-imm-cols.narrow { grid-template-columns: 1fr; }
  .dripem-imm-cd-row { grid-template-columns: 1fr; }
  .dripem-imm-cd-label { border-radius: 0; }
}