/* ==========================================================================
   PARTNER VALUE INFOGRAPHIC
   "We speak to every level of your organization"
   Shared across homepage and service pages.
   ========================================================================== */

.partner-value-section {
  position: relative;
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: var(--color-surface-offset, #f5f6f8);
  overflow: hidden;
}
.partner-value-section.pv--dark {
  background: var(--gradient-hero, linear-gradient(135deg, #0a2b5c 0%, #061633 55%, #0a2b5c 100%));
  color: #fff;
}
.partner-value-section.pv--dark .eyebrow { color: var(--color-live, #dff140); }
.partner-value-section.pv--dark .eyebrow::before { background: var(--color-live, #dff140); }
.partner-value-section.pv--dark h2 { color: #fff; }
.partner-value-section.pv--dark .pv-intro p { color: rgba(255,255,255,0.82); }

.partner-value-section .section-head {
  max-width: 960px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.pv-stage {
  position: relative;
  max-width: 1040px;
  margin: 0 auto;
}

/* Spine — vertical flow line connecting all tiers */
.pv-spine {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(
    180deg,
    var(--color-primary, #0a2b5c) 0%,
    #3c72c7 28%,
    var(--color-success, #1f8a4c) 62%,
    var(--color-accent, #ce1126) 100%
  );
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
}
.partner-value-section.pv--dark .pv-spine {
  background: linear-gradient(
    180deg,
    var(--color-live, #dff140) 0%,
    #3c72c7 40%,
    var(--color-success, #1f8a4c) 75%,
    var(--color-accent, #ce1126) 100%
  );
  opacity: 0.55;
}

/* Tier row */
.pv-tier {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.5rem);
  padding: clamp(1.25rem, 2.5vw, 2rem) 0;
  z-index: 1;
}
.pv-tier + .pv-tier { border-top: 1px dashed color-mix(in srgb, currentColor 12%, transparent); }

/* Central node — tier indicator on the spine */
.pv-node {
  position: relative;
  width: clamp(72px, 9vw, 92px);
  height: clamp(72px, 9vw, 92px);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display, 'Inter', sans-serif);
  font-weight: 800;
  font-size: clamp(1.25rem, 2.2vw, 1.55rem);
  letter-spacing: -0.02em;
  color: #fff;
  background: var(--pv-tier-color, var(--color-primary, #0a2b5c));
  box-shadow:
    0 0 0 6px color-mix(in srgb, var(--pv-tier-color, #0a2b5c) 18%, transparent),
    0 12px 28px -12px rgba(0,0,0,0.35);
  flex-shrink: 0;
}
.partner-value-section.pv--dark .pv-node {
  box-shadow:
    0 0 0 6px color-mix(in srgb, var(--pv-tier-color, #fff) 22%, transparent),
    0 14px 32px -10px rgba(0,0,0,0.55);
}

.pv-node::before {
  content: '';
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--pv-tier-color, #0a2b5c) 30%, transparent);
  opacity: 0;
  transition: opacity 320ms ease, transform 320ms ease;
}
.pv-tier:hover .pv-node::before { opacity: 1; transform: scale(1.08); }

/* Tier meta (left side) */
.pv-meta {
  text-align: right;
}
.pv-role {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pv-tier-color, var(--color-primary, #0a2b5c));
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.partner-value-section.pv--dark .pv-role { color: var(--pv-tier-color, #fff); filter: brightness(1.15); }
.pv-titles {
  font-family: var(--font-display, 'Inter', sans-serif);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0;
}
.pv-concern {
  margin-top: 0.5rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: color-mix(in srgb, currentColor 70%, transparent);
}

/* Rev1 deliverable (right side) */
.pv-delivery {
  position: relative;
  padding: clamp(1rem, 2vw, 1.4rem) clamp(1.15rem, 2.2vw, 1.6rem);
  border-radius: 14px;
  background: color-mix(in srgb, var(--pv-tier-color, #0a2b5c) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--pv-tier-color, #0a2b5c) 18%, transparent);
  transition: transform 260ms ease, border-color 260ms ease, background 260ms ease;
}
.partner-value-section.pv--dark .pv-delivery {
  background: color-mix(in srgb, var(--pv-tier-color, #fff) 8%, transparent);
  border-color: color-mix(in srgb, var(--pv-tier-color, #fff) 26%, transparent);
}
.pv-tier:hover .pv-delivery {
  transform: translateX(4px);
  border-color: color-mix(in srgb, var(--pv-tier-color, #0a2b5c) 40%, transparent);
}

.pv-delivery-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono, monospace);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--pv-tier-color, var(--color-primary, #0a2b5c));
  font-weight: 600;
  margin-bottom: 0.45rem;
}
.partner-value-section.pv--dark .pv-delivery-label { color: var(--pv-tier-color, #fff); filter: brightness(1.15); }
.pv-delivery-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}
.pv-delivery-value {
  font-family: var(--font-display, sans-serif);
  font-size: clamp(0.98rem, 1.45vw, 1.1rem);
  font-weight: 600;
  line-height: 1.35;
  margin: 0;
}
.pv-delivery-value strong { font-weight: 800; }

/* Tier color tokens — applied inline via --pv-tier-color */
.pv-tier--exec       { --pv-tier-color: #0a2b5c; }  /* navy primary */
.pv-tier--director   { --pv-tier-color: #3c72c7; }  /* mid blue */
.pv-tier--engineer   { --pv-tier-color: #1f8a4c; }  /* success green */
.pv-tier--field      { --pv-tier-color: #ce1126; }  /* accent red */

.partner-value-section.pv--dark .pv-tier--exec     { --pv-tier-color: #dff140; } /* chartreuse pops on navy */
.partner-value-section.pv--dark .pv-tier--director { --pv-tier-color: #79a7f2; }
.partner-value-section.pv--dark .pv-tier--engineer { --pv-tier-color: #4fd18b; }
.partner-value-section.pv--dark .pv-tier--field    { --pv-tier-color: #ff5262; }

/* Bottom summary strip */
.pv-foot {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1rem, 2vw, 1.4rem) clamp(1.25rem, 2.5vw, 1.75rem);
  border-radius: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: color-mix(in srgb, currentColor 5%, transparent);
  border: 1px solid color-mix(in srgb, currentColor 12%, transparent);
}
.pv-foot-stat {
  font-family: var(--font-mono, monospace);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.75;
}
.pv-foot-stat b {
  display: block;
  font-family: var(--font-display, sans-serif);
  font-weight: 800;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  letter-spacing: -0.02em;
  text-transform: none;
  opacity: 1;
  color: var(--color-accent, #ce1126);
  margin-bottom: 0.2rem;
}
.partner-value-section.pv--dark .pv-foot-stat b { color: var(--color-live, #dff140); }

/* Mobile layout — stack tier meta above node above delivery */
@media (max-width: 820px) {
  .pv-spine { display: none; }
  .pv-tier {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 0.75rem 1rem;
    padding: 1rem 0;
  }
  .pv-tier + .pv-tier { padding-top: 1.5rem; }
  .pv-node {
    grid-row: 1 / 3;
    width: 56px;
    height: 56px;
    font-size: 1.05rem;
  }
  .pv-meta {
    text-align: left;
    grid-column: 2;
    grid-row: 1;
  }
  .pv-delivery {
    grid-column: 2;
    grid-row: 2;
    padding: 0.85rem 1rem;
  }
  .pv-foot { flex-direction: column; align-items: flex-start; }
}