/* ============================================================
   Adaptation Forest — science.css
   The Science page — pages/science.html
   ============================================================ */

/* ============================================================
   Page Header
   ============================================================ */
.page-science .page-header {
  padding-top: 15rem;
  padding-bottom: 11rem;
  background: linear-gradient(180deg, var(--clr-humus) 0%, #060809 55%, #080d08 100%);
  text-align: center;
}

.page-science .page-header::before {
  background: radial-gradient(ellipse 60% 45% at 50% 18%,
    rgba(45, 74, 45, 0.09) 0%, transparent 70%);
}

/* ============================================================
   Climate Chart
   ============================================================ */
.climate-chart-wrap {
  margin-top: 4rem;
}

#climate-chart {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--clr-border);
  border-radius: 3px;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 2.5rem;
  margin-top: 1rem;
  padding: 0 0.25rem;
}

.chart-legend__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--ff-body);
  font-size: 0.78rem;
  color: var(--clr-lichen);
  opacity: 0.7;
  letter-spacing: 0.02em;
}

.chart-legend__swatch {
  display: inline-block;
  width: 28px;
  height: 2px;
  flex-shrink: 0;
}

.chart-legend__item--low .chart-legend__swatch {
  background: rgba(74, 140, 74, 0.85);
}

.chart-legend__item--high .chart-legend__swatch {
  background: rgba(196, 136, 58, 0.85);
}

.chart-source {
  font-family: var(--ff-body);
  font-size: 0.68rem;
  color: var(--clr-lichen);
  opacity: 0.42;
  letter-spacing: 0.04em;
  margin-top: 0.75rem;
  line-height: 1.6;
}

/* ============================================================
   Stat bullets
   ============================================================ */
.sci-bullets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--clr-border);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 1rem;
}

.sci-bullet {
  padding: 1.5rem 1.4rem;
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.sci-bullet:last-child {
  border-right: none;
}

.sci-bullet__val {
  font-family: var(--ff-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 300;
  color: var(--clr-amber);
  line-height: 1;
  letter-spacing: -0.01em;
}

.sci-bullet__label {
  font-family: var(--ff-body);
  font-size: 0.75rem;
  color: rgba(232, 228, 220, 0.55);
  line-height: 1.55;
  letter-spacing: 0.01em;
}

/* ============================================================
   Species Vulnerability Table
   ============================================================ */
.species-table-wrap {
  margin-top: 3.5rem;
}

.species-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--clr-border);
  border-radius: 3px;
}

.species-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--ff-body);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Header */
.species-table thead tr {
  background: rgba(10, 12, 10, 0.8);
  border-bottom: 1px solid var(--clr-border);
}

.species-table th {
  padding: 0.9rem 1.1rem;
  text-align: left;
  font-weight: 400;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-lichen);
  opacity: 0.7;
}

.species-table th.sortable {
  cursor: pointer;
  user-select: none;
  transition: color 0.15s;
  white-space: nowrap;
}

.species-table th.sortable:hover {
  color: var(--clr-birch);
  opacity: 1;
}

.species-table th.sort-asc,
.species-table th.sort-desc {
  color: var(--clr-amber);
  opacity: 0.9;
}

.sort-arrow {
  display: inline-block;
  margin-left: 0.3em;
  opacity: 0.5;
  font-size: 0.75em;
}

.sort-arrow.asc::before  { content: '↑'; }
.sort-arrow.desc::before { content: '↓'; }

/* Body rows */
.species-table tbody tr {
  border-bottom: 1px solid rgba(138, 145, 122, 0.1);
  transition: background 0.15s;
}

.species-table tbody tr:last-child {
  border-bottom: none;
}

.species-table tbody tr:hover {
  background: rgba(138, 145, 122, 0.04);
}

/* Vulnerable rows — subtle red tint */
.species-table tbody tr.row--vulnerable {
  background: rgba(139, 37, 0, 0.045);
}

.species-table tbody tr.row--vulnerable:hover {
  background: rgba(139, 37, 0, 0.07);
}

.species-table td {
  padding: 0.85rem 1.1rem;
  color: rgba(232, 228, 220, 0.72);
  vertical-align: middle;
}

/* Species name cell */
.species-name strong {
  color: var(--clr-birch);
  font-weight: 400;
  display: block;
}

.species-name em {
  font-size: 0.78rem;
  color: var(--clr-lichen);
  opacity: 0.6;
  font-style: italic;
  display: block;
  margin-top: 0.1rem;
}

/* Rating badges */
.rating {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  font-weight: 400;
}

.rating--good {
  color: rgba(74, 140, 74, 0.95);
  background: rgba(45, 74, 45, 0.18);
}

.rating--fair {
  color: rgba(196, 178, 120, 0.9);
  background: rgba(138, 120, 60, 0.12);
}

.rating--poor {
  color: rgba(200, 80, 40, 0.9);
  background: rgba(139, 37, 0, 0.15);
}

/* Pest/disease abbreviation notes */
.rating-note {
  font-family: var(--ff-body);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--clr-lichen);
  opacity: 0.55;
  margin-left: 0.35rem;
}

/* Table footer */
.table-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
  padding: 0 0.1rem;
}

.table-source {
  font-family: var(--ff-body);
  font-size: 0.68rem;
  color: var(--clr-lichen);
  opacity: 0.42;
  letter-spacing: 0.03em;
  line-height: 1.6;
}

.table-hint {
  font-family: var(--ff-body);
  font-size: 0.68rem;
  color: var(--clr-lichen);
  opacity: 0.38;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* ============================================================
   Carbon Section
   ============================================================ */
.carbon-split {
  margin-top: 4rem;
  align-items: start;
  gap: 4.5rem;
}

/* SVG container */
.carbon-svg-wrap {
  flex-shrink: 0;
}

.carbon-svg {
  width: 100%;
  height: auto;
  display: block;
  overflow: visible;
}

/* CO2 cloud */
.carbon-svg .sc-co2-cloud {
  stroke: var(--clr-lichen);
  fill: none;
  opacity: 0.45;
}

.carbon-svg .sc-co2-label {
  font-family: var(--ff-body);
  fill: var(--clr-lichen);
  opacity: 0.5;
  letter-spacing: 0.06em;
  font-size: 11px;
}

/* CO2 arrows (dashed, amber) */
.carbon-svg .sc-co2-arrow {
  stroke: var(--clr-amber);
  fill: none;
  opacity: 0.55;
}

/* Crown */
.carbon-svg .sc-crown {
  stroke: var(--clr-moss);
  fill: none;
  opacity: 0.72;
}

/* Branches */
.carbon-svg .sc-branch {
  stroke: var(--clr-moss);
  fill: none;
  opacity: 0.58;
}

/* Trunk — darker, bolder */
.carbon-svg .sc-trunk {
  stroke: #1e3a1e;
  fill: none;
  opacity: 0.85;
}

/* Ground line */
.carbon-svg .sc-ground {
  stroke: var(--clr-lichen);
  fill: none;
  opacity: 0.4;
}

/* Roots */
.carbon-svg .sc-root {
  stroke: #8a6040;
  fill: none;
  opacity: 0.65;
}

.carbon-svg .sc-root-fine {
  stroke: #8a6040;
  fill: none;
  opacity: 0.38;
}

/* Soil fill — no draw, appears immediately */
.carbon-svg .sc-soil-fill {
  fill: rgba(20, 14, 8, 0.45);
  stroke: none;
}

/* Soil texture marks */
.carbon-svg .sc-soil {
  stroke: #6a4a28;
  fill: none;
  opacity: 0.25;
}

/* Mycelium */
.carbon-svg .sc-mycelium {
  stroke: var(--clr-amber);
  fill: none;
  opacity: 0.22;
}

/* ── Carbon Pool Cards ── */
.carbon-pools {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 0.5rem;
}

.carbon-pools__intro {
  font-family: var(--ff-body);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-lichen);
  opacity: 0.5;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.carbon-pool-card {
  padding: 1.1rem 0;
  border-bottom: 1px solid rgba(138, 145, 122, 0.12);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.carbon-pool-card--large {
  border-bottom: 1px solid rgba(138, 145, 122, 0.2);
}

/* Proportional bar */
.pool-bar-wrap {
  height: 3px;
  background: rgba(138, 145, 122, 0.1);
  border-radius: 1.5px;
  overflow: hidden;
}

.pool-bar {
  height: 100%;
  width: var(--pct, 0%);
  border-radius: 1.5px;
  transition: width 1.2s ease;
}

.pool-bar--biomass { background: rgba(74, 122, 74, 0.65); }
.pool-bar--roots   { background: rgba(138, 96, 64, 0.65); }
.pool-bar--deadwood{ background: rgba(138, 145, 122, 0.55); }
.pool-bar--litter  { background: rgba(138, 145, 122, 0.38); }
.pool-bar--soil    { background: rgba(196, 136, 58, 0.55); }

.pool-info {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
}

.pool-name {
  font-family: var(--ff-body);
  font-size: 0.82rem;
  color: rgba(232, 228, 220, 0.75);
  letter-spacing: 0.01em;
}

.pool-value {
  font-family: var(--ff-display);
  font-size: 1.1rem;
  font-weight: 300;
  color: var(--clr-birch);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.pool-unit {
  font-family: var(--ff-body);
  font-size: 0.72rem;
  color: var(--clr-lichen);
  opacity: 0.6;
  letter-spacing: 0.04em;
  font-style: normal;
}

.pool-note {
  font-family: var(--ff-body);
  font-size: 0.76rem;
  color: rgba(232, 228, 220, 0.45);
  line-height: 1.65;
}

/* Total row */
.carbon-total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 1.1rem 0 0;
  gap: 1rem;
}

.carbon-total__label {
  font-family: var(--ff-body);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-lichen);
  opacity: 0.55;
}

.carbon-total__value {
  font-family: var(--ff-display);
  font-size: 1.45rem;
  font-weight: 300;
  color: var(--clr-amber);
  letter-spacing: 0.01em;
}

/* ============================================================
   Monitoring Protocols Grid
   ============================================================ */
.protocols-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.protocol-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--clr-border);
  border-radius: 3px;
  background: rgba(10, 12, 10, 0.4);
  transition: border-color 0.2s;
}

.protocol-card:hover {
  border-color: rgba(138, 145, 122, 0.28);
}

/* Last two cards centered in 3-col grid */
.protocols-grid .protocol-card:nth-child(4) {
  grid-column-start: 1;
}

.protocol-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.protocol-icon svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.protocol-icon .proto-mark {
  stroke: var(--clr-moss);
  fill: none;
  opacity: 0.7;
}

.protocol-card__title {
  font-family: var(--ff-display);
  font-size: 1.08rem;
  font-weight: 400;
  color: var(--clr-birch);
  line-height: 1.25;
  letter-spacing: 0.01em;
}

.protocol-card__desc {
  font-family: var(--ff-body);
  font-size: 0.82rem;
  color: rgba(232, 228, 220, 0.58);
  line-height: 1.82;
  flex: 1;
}

.protocol-card__freq {
  font-family: var(--ff-body);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-amber);
  opacity: 0.65;
  margin-top: 0.25rem;
}

/* ============================================================
   Resources
   ============================================================ */
.resources-list {
  list-style: none;
  padding: 0;
  margin: 3.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.resource-item {
  padding-block: 2.25rem;
  border-bottom: 1px solid rgba(138, 145, 122, 0.12);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto;
  column-gap: 3rem;
  row-gap: 0.6rem;
}

.resource-item:first-child {
  border-top: 1px solid rgba(138, 145, 122, 0.12);
}

.resource-item__header {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  grid-column: 1;
  grid-row: 1;
}

.resource-item__title {
  font-family: var(--ff-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 400;
  color: var(--clr-birch);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.resource-item__org {
  font-family: var(--ff-body);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-lichen);
  opacity: 0.5;
  white-space: nowrap;
  flex-shrink: 0;
}

.resource-item__desc {
  font-family: var(--ff-body);
  font-size: 0.88rem;
  color: rgba(232, 228, 220, 0.6);
  line-height: 1.85;
  grid-column: 1;
  grid-row: 2;
  max-width: 680px;
}

.resource-item__link {
  font-family: var(--ff-body);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--clr-amber);
  opacity: 0.75;
  text-decoration: none;
  grid-column: 1;
  grid-row: 3;
  align-self: end;
  border-bottom: 1px solid rgba(196, 136, 58, 0.3);
  padding-bottom: 0.1rem;
  display: inline-block;
  transition: opacity 0.2s, border-color 0.2s;
}

.resource-item__link:hover {
  opacity: 1;
  border-color: rgba(196, 136, 58, 0.65);
}

/* Closing note */
.resources-close {
  margin-top: 3.5rem;
  max-width: 620px;
  margin-inline: auto;
  font-family: var(--ff-body);
  font-size: clamp(0.9rem, 1.6vw, 1.02rem);
  color: rgba(232, 228, 220, 0.55);
  line-height: 1.95;
  text-align: center;
  font-style: italic;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1100px) {
  .protocols-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .protocols-grid .protocol-card:nth-child(4) {
    grid-column-start: auto;
  }

  /* Last card spans full width on 2-col */
  .protocols-grid .protocol-card:nth-child(5) {
    grid-column: 1 / -1;
    max-width: 480px;
  }
}

@media (max-width: 900px) {
  .sci-bullets {
    grid-template-columns: repeat(2, 1fr);
  }

  .sci-bullet:nth-child(2) {
    border-right: none;
  }

  .sci-bullet:nth-child(1),
  .sci-bullet:nth-child(2) {
    border-bottom: 1px solid var(--clr-border);
  }

  .carbon-split {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .carbon-svg-wrap {
    max-width: 380px;
    margin-inline: auto;
  }

  .resource-item {
    grid-template-columns: 1fr;
  }

  .resource-item__org {
    display: none;
  }
}

@media (max-width: 680px) {
  .page-science .page-header {
    padding-top: 10rem;
    padding-bottom: 7rem;
  }

  .sci-bullets {
    grid-template-columns: 1fr;
  }

  .sci-bullet {
    border-right: none;
    border-bottom: 1px solid var(--clr-border);
  }

  .sci-bullet:last-child {
    border-bottom: none;
  }

  .sci-bullet:nth-child(2) {
    border-right: none;
  }

  .protocols-grid {
    grid-template-columns: 1fr;
  }

  .protocols-grid .protocol-card:nth-child(5) {
    grid-column: auto;
    max-width: none;
  }

  .table-hint {
    display: none;
  }
}