/* ── Projections Page ────────────────────────────────────────────── */

/* Nav active state */
.nav-active {
  color: #fff !important;
  border-bottom: 1px solid var(--accent2);
  padding-bottom: 2px;
}

/* ── Hero ─────────────────────────────────────────────────────────── */
.proj-hero {
  min-height: 52vh;
  background: var(--ink);
  padding: 7rem 5vw 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-bottom: 3px solid var(--accent);
}

.proj-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none; opacity: 0.4;
}

.proj-eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent2);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
}

.proj-eyebrow::before {
  content: ''; display: block;
  width: 28px; height: 1px; background: var(--accent2);
}

.proj-hero-text { position: relative; z-index: 2; }

.proj-hero-text h1 {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  color: #fff;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.proj-hero-sub {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.8;
  max-width: 480px;
}

.proj-hero-stats {
  position: relative; z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
}

.proj-stat {
  padding: 1.5rem;
  background: rgba(255,255,255,0.02);
}

.proj-stat-num {
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--accent2);
  line-height: 1;
  margin-bottom: 0.4rem;
}

.proj-stat-num.recovering { color: #4ADE80; }
.proj-stat-num.warn       { color: #FBBF24; }

.proj-stat-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.5;
}

/* ── Section commons ─────────────────────────────────────────────── */
.proj-section-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
  display: flex; align-items: center; gap: 0.75rem;
}

.proj-section-label::before {
  content: ''; display: block;
  width: 24px; height: 1px; background: var(--accent);
}

.proj-section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--ink);
  margin-bottom: 1rem;
  font-family: var(--serif);
}

.proj-section-intro {
  font-size: 0.95rem;
  color: #3D4455;
  line-height: 1.85;
  max-width: 640px;
  margin-bottom: 2.5rem;
}

/* ── Chart Section ───────────────────────────────────────────────── */
.proj-chart-section {
  background: var(--paper);
  padding: 5rem 5vw;
}

/* Controls */
.proj-controls {
  display: flex;
  gap: 3rem;
  align-items: flex-end;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.proj-control-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.proj-control-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.proj-select-wrapper {
  position: relative;
}

.proj-select {
  appearance: none;
  background: var(--ink);
  color: #fff;
  border: none;
  padding: 0.6rem 2.5rem 0.6rem 1rem;
  font-family: var(--sans);
  font-size: 0.88rem;
  cursor: pointer;
  min-width: 240px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23fff' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
}

.proj-select:focus { outline: 1px solid var(--accent2); }

/* Model toggle buttons */
.proj-model-btns {
  display: flex;
  gap: 0;
}

.proj-model-btn {
  padding: 0.55rem 1.1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-right: none;
  background: transparent;
  cursor: pointer;
  color: var(--muted);
  transition: all 0.2s;
}

.proj-model-btn:last-child { border-right: 1px solid var(--border); }
.proj-model-btn.active {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.proj-model-btn:hover:not(.active) { border-color: var(--ink); color: var(--ink); }

/* Toggle switches */
.proj-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}

.proj-toggle input { display: none; }

.proj-toggle-track {
  width: 32px; height: 16px;
  background: var(--border);
  border-radius: 8px;
  position: relative;
  transition: background 0.2s;
  flex-shrink: 0;
}

.proj-toggle-track::after {
  content: '';
  position: absolute;
  width: 12px; height: 12px;
  background: #fff;
  border-radius: 50%;
  top: 2px; left: 2px;
  transition: left 0.2s;
}

.proj-toggle input:checked + .proj-toggle-track { background: var(--accent); }
.proj-toggle input:checked + .proj-toggle-track::after { left: 18px; }

.proj-toggle-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* Chart layout */
.proj-chart-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  align-items: start;
}

.proj-chart-wrap {
  background: var(--paper2);
  border: 1px solid var(--border);
  min-height: 460px;
  position: relative;
}

#proj-chart svg { width: 100%; height: auto; display: block; }

/* State info card */
.proj-info-card {
  background: var(--ink);
  color: #fff;
  padding: 1.75rem;
  position: sticky;
  top: 72px;
}

.proj-info-state {
  font-family: var(--serif);
  font-size: 1.5rem;
  margin-bottom: 0.2rem;
  line-height: 1.2;
}

.proj-info-model {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 1.25rem;
}

.proj-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: rgba(255,255,255,0.07);
  margin-bottom: 1.25rem;
}

.proj-info-item {
  background: rgba(255,255,255,0.03);
  padding: 0.75rem;
}

.proj-info-val {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

.proj-info-val.accent { color: var(--accent2); }

.proj-info-key {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.3);
  margin-top: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.proj-milestone-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.proj-milestone-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.proj-milestone-label {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.35);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.1rem;
}

.proj-milestone-val {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
}

.proj-model-rmse {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: rgba(255,255,255,0.25);
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  letter-spacing: 0.06em;
}

.proj-momentum-bar { margin-top: 1rem; }

.proj-momentum-label {
  font-family: var(--mono);
  font-size: 0.63rem;
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.proj-momentum-track {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.3rem;
}

.proj-momentum-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.5s ease, background 0.3s;
}

.proj-momentum-val {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

/* Chart SVG elements */
.proj-chart-wrap .threshold-line { stroke-dasharray: 4 3; }
.proj-chart-wrap .obs-dot { cursor: pointer; }
.proj-chart-wrap .proj-line { fill: none; }
.proj-chart-wrap .ci-band { opacity: 0.12; }
.proj-chart-wrap .milestone-line { stroke-dasharray: 3 3; opacity: 0.6; }

/* ── Table Section ───────────────────────────────────────────────── */
.proj-table-section {
  background: var(--paper2);
  padding: 5rem 5vw;
}

.proj-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
}

.proj-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.proj-table thead tr {
  background: var(--ink);
  color: #fff;
}

.proj-table th {
  padding: 0.9rem 1rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background 0.15s;
}

.proj-table th:hover { background: rgba(255,255,255,0.05); }
.proj-table th.active-sort { color: var(--accent2); }

.proj-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.proj-table tbody tr {
  cursor: pointer;
  transition: background 0.15s;
}

.proj-table tbody tr:hover { background: rgba(0,0,0,0.03); }
.proj-table tbody tr.selected { background: rgba(200,75,49,0.06); }

.proj-table .col-state { font-weight: 500; }
.proj-table .col-mono  { font-family: var(--mono); font-size: 0.8rem; }

.proj-band-pill {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: 2px;
  color: #fff;
}

.proj-model-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ── Findings Section ────────────────────────────────────────────── */
.proj-findings-section {
  background: var(--ink);
  padding: 5rem 5vw;
}

.proj-findings-section .proj-section-label { color: var(--accent2); }
.proj-findings-section .proj-section-label::before { background: var(--accent2); }
.proj-findings-section .proj-section-title { color: #fff; }

.proj-findings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  margin-top: 3rem;
}

.proj-finding-card {
  background: var(--ink2);
  padding: 2rem 1.75rem;
  position: relative;
  overflow: hidden;
  transition: background 0.2s;
}

.proj-finding-card:hover { background: #242d40; }

.proj-finding-num {
  font-family: var(--serif);
  font-size: 4rem;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: -0.5rem; right: 1rem;
  line-height: 1;
  pointer-events: none;
}

.proj-finding-tag {
  font-family: var(--mono);
  font-size: 0.63rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 0.75rem;
}

.proj-finding-card h3 {
  font-family: var(--serif);
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.proj-finding-card p {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.75;
}

/* ── Responsive ──────────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .proj-hero            { grid-template-columns: 1fr; }
  .proj-chart-layout    { grid-template-columns: 1fr; }
  .proj-info-card       { position: static; }
  .proj-findings-grid   { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .proj-hero-stats      { grid-template-columns: 1fr 1fr; }
  .proj-findings-grid   { grid-template-columns: 1fr; }
  .proj-controls        { flex-direction: column; gap: 1.5rem; }
}