:root {
  --white:       #FFFFFF;
  --off-white:   #FAF8F5;
  --beige-light: #F0EBE3;
  --beige:       #DDD5C8;
  --taupe:       #B5A99A;
  --brown:       #8B7355;
  --brown-dark:  #5C4A32;
  --charcoal:    #2C2C2C;
  --black:       #1A1A1A;
  --grey-mid:    #6B6B6B;
  --font-serif:  'Cormorant Garamond', serif;
  --font-sans:   'Inter', sans-serif;
  --transition:  0.3s ease;
}

/* ── HERO ──────────────────────────────────────────── */
.ptf-hero { min-height: 70vh; }
.ptf-hero-overlay {
  background: linear-gradient(120deg, rgba(20,20,20,.88) 0%, rgba(44,44,44,.55) 100%);
}

/* ── METRICS BAND ──────────────────────────────────── */
.ptf-metrics {
  background: var(--white);
  border-top: 1px solid var(--beige);
  border-bottom: 1px solid var(--beige);
  padding: 0;
}
.ptf-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.ptf-metric-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 3rem 1.5rem;
  border-right: 1px solid var(--beige);
  gap: 0.8rem;
  transition: background var(--transition);
}
.ptf-metric-card:last-child { border-right: none; }
.ptf-metric-card:hover { background: var(--off-white); }
.ptf-metric-card svg { width: 44px; height: 44px; }
.ptf-metric-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 400;
  color: var(--black);
}
.ptf-metric-label {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-mid);
  line-height: 1.5;
}

/* ── SIMULATOR ─────────────────────────────────────── */
.sim-section {
  background: var(--charcoal);
  padding: 100px 0;
  position: relative;
}
.sim-wrapper {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 3rem;
  align-items: start;
}

/* Sliders */
.sim-controls { display: flex; flex-direction: column; gap: 2rem; }
.sim-field { display: flex; flex-direction: column; gap: 0.6rem; }
.sim-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.sim-label-row label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}
.sim-val {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--white);
}
.sim-minmax {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.06em;
  margin-top: 2px;
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 2px;
  background: rgba(255,255,255,0.15);
  outline: none;
  cursor: pointer;
  border-radius: 0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--brown);
  border: 2px solid var(--white);
  cursor: pointer;
  transition: transform 0.15s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.25); }
input[type="range"]::-moz-range-thumb {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--brown);
  border: 2px solid var(--white);
  cursor: pointer;
}

/* Results */
.sim-results {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  margin-top: 0.5rem;
}
.sim-res-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 1rem 1.2rem;
  background: rgba(0,0,0,0.15);
  transition: background var(--transition);
}
.sim-res-item:hover { background: rgba(255,255,255,0.05); }
.sim-res-primary { padding: 1.4rem 1.2rem; }
.sim-res-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
}
.sim-res-label {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}
.sim-res-val {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--white);
}
.sim-res-primary .sim-res-val {
  font-size: 2rem;
  color: var(--brown);
  font-weight: 400;
}
.sim-disclaimer {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.2);
  line-height: 1.5;
  font-style: italic;
  margin-top: -0.5rem;
}

/* Chart area */
.sim-chart-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
}
.sim-chart-tabs {
  display: flex;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sim-tab {
  flex: 1;
  padding: 0.9rem 1rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}
.sim-tab.active { color: var(--brown); border-bottom-color: var(--brown); }
.sim-canvas-wrap { padding: 1.5rem; }
.sim-donut-wrap {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}
.sim-donut-wrap canvas { max-width: 240px; }
.sim-donut-legend {
  display: flex;
  gap: 2rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}
.sim-donut-legend span::before {
  content: '●';
  margin-right: 6px;
}
.sim-donut-legend span:first-child::before { color: var(--brown); }
.sim-donut-legend span:last-child::before  { color: var(--taupe); }

/* ── ACCORDION ─────────────────────────────────────── */
.ptf-includes { background: var(--white); }
.ptf-acc-inner {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 5rem;
  align-items: start;
}
.ptf-acc-header { position: sticky; top: 100px; }
.ptf-acc-header .section-title { margin-bottom: 1rem; }

.acc-list { border-top: 1px solid var(--beige); }
.acc-item { border-bottom: 1px solid var(--beige); }
.acc-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 1.4rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition);
}
.acc-header:hover { background: var(--off-white); padding-left: 0.5rem; }
.acc-num {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--brown);
  min-width: 28px;
}
.acc-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--black);
  flex: 1;
}
.acc-icon {
  width: 24px; height: 24px;
  border: 1px solid var(--beige);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition), border-color var(--transition);
  position: relative;
}
.acc-icon::before,
.acc-icon::after {
  content: '';
  position: absolute;
  background: var(--brown);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}
.acc-icon::before { width: 10px; height: 1.5px; }
.acc-icon::after  { width: 1.5px; height: 10px; }

.acc-item.open .acc-icon { background: var(--brown); border-color: var(--brown); transform: rotate(45deg); }
.acc-item.open .acc-icon::before,
.acc-item.open .acc-icon::after { background: var(--white); }
.acc-item.open .acc-title { color: var(--brown); }

.acc-body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.4s ease;
}
.acc-item.open .acc-body { grid-template-rows: 1fr; }
.acc-body-inner { overflow: hidden; }
.acc-body-inner p {
  font-size: 0.9rem;
  color: var(--grey-mid);
  font-weight: 300;
  line-height: 1.8;
  padding: 0 0 1rem 2.2rem;
}
.acc-body-inner ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0 0 1.8rem 2.2rem;
}
.acc-body-inner li {
  font-size: 0.85rem;
  color: var(--charcoal);
  padding-left: 1rem;
  position: relative;
}
.acc-body-inner li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 5px; height: 1px;
  background: var(--brown);
}

/* ── PROCESS STEPS ─────────────────────────────────── */
.ptf-process { background: var(--off-white); }
.ptf-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
  margin-top: 3rem;
}
.ptf-step {
  background: var(--white);
  padding: 2.2rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  border-top: 3px solid var(--beige);
  transition: border-color var(--transition), transform var(--transition);
}
.ptf-step:hover { border-top-color: var(--brown); transform: translateY(-4px); }
.ptf-step-n {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 300;
  color: var(--beige);
  line-height: 1;
}
.ptf-step h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--black);
}
.ptf-step p {
  font-size: 0.85rem;
  color: var(--grey-mid);
  font-weight: 300;
  line-height: 1.7;
  flex: 1;
}
.ptf-step-tag {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brown);
  border-top: 1px solid var(--beige);
  padding-top: 0.8rem;
  margin-top: auto;
}

/* ── RESPONSIVE ────────────────────────────────────── */
@media (max-width: 1100px) {
  .sim-wrapper { grid-template-columns: 1fr; }
  .ptf-steps { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .ptf-acc-inner { grid-template-columns: 1fr; gap: 2rem; }
  .ptf-acc-header { position: static; }
  .ptf-metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .ptf-metric-card:nth-child(2) { border-right: none; }
  .ptf-metric-card:nth-child(3),
  .ptf-metric-card:nth-child(4) { border-top: 1px solid var(--beige); }
}
@media (max-width: 600px) {
  .ptf-steps { grid-template-columns: 1fr 1fr; }
  .ptf-metrics-grid { grid-template-columns: 1fr 1fr; }
  .sim-res-row { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .ptf-steps { grid-template-columns: 1fr; }
}

/* ── Rent slider accent ─────────────────────────────── */
.sim-field--rent { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; }

/* ── Cash flow result colours ───────────────────────── */
.sim-cashflow--pos { color: #A8C89A !important; }
.sim-cashflow--neg { color: #C8998A !important; }

/* ── Payback result item ─────────────────────────────── */
.sim-res-payback {
  background: rgba(139,115,85,0.12) !important;
  border-top: 1px solid rgba(139,115,85,0.25);
}
.sim-res-payback .sim-res-label { color: var(--taupe); }
.sim-res-payback .sim-res-val   { color: var(--brown); font-size: 1rem; }

/* ── Cashflow callout below chart ───────────────────── */
.cf-callout {
  margin: 0 1.5rem 1.5rem;
  padding: 0.9rem 1.2rem;
  font-size: 0.82rem;
  line-height: 1.6;
  font-weight: 300;
  border-radius: 0;
}
.cf-callout--positive {
  background: rgba(168,200,154,0.1);
  border-left: 3px solid #A8C89A;
  color: rgba(255,255,255,0.6);
}
.cf-callout--negative {
  background: rgba(200,153,138,0.1);
  border-left: 3px solid #C8998A;
  color: rgba(255,255,255,0.5);
}
.cf-callout strong { color: var(--white); font-weight: 500; }
.cf-callout-icon   { margin-right: 6px; }

/* ── Cash flow row highlight ─────────────────────────── */
.sim-res-row--cashflow .sim-res-item { background: rgba(255,255,255,0.03); }