/* ============================================
   v6 — Problem Section (Minimal/Premium + focal)
   Refined v5: stronger flow line, focal card 04
   ============================================ */

:root {
  --accent-red: #dc2626;
  --accent-red-soft: #fee2e2;
  --accent-red-bg: #fef7f7;
}

#problem.problem-bg {
  background: #fafafa;
}

/* Headline */
#problem .section-head h2 {
  letter-spacing: -0.015em;
}
#problem .section-head h2 b {
  font-weight: 700;
  color: var(--ink);
}
#problem .section-head p {
  color: var(--ink-3);
}

/* === Flow line — more visible === */
.problem-flow-min {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin: 28px auto 56px;
  padding: 12px 24px;
  background: white;
  border: 1px solid #e8eaee;
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink-2);
  font-family: var(--font);
  font-weight: 500;
  letter-spacing: 0.01em;
  box-shadow: 0 1px 2px rgba(15,23,42,.03);
}
.problem-flow-wrap {
  display: flex;
  justify-content: center;
}
.problem-flow-min .pfm-arrow {
  color: #cbd5e1;
  font-weight: 400;
  font-size: 13px;
}
.problem-flow-min .pfm-end {
  color: var(--accent-red);
  font-weight: 700;
}

/* === Grid === */
.problem-grid.min {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 8px;
}
@media (max-width: 760px) {
  .problem-grid.min { grid-template-columns: 1fr; gap: 18px; }
}

/* Card — neutral default */
.pcard-min {
  position: relative;
  background: white;
  border: 1px solid #eef0f3;
  border-radius: 16px;
  padding: 36px 36px 32px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.pcard-min:hover {
  border-color: #d8dde3;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px -16px rgba(15,23,42,.12);
}

/* number label */
.pcm-num {
  font-family: var(--mono, "JetBrains Mono", monospace);
  font-size: 12px;
  font-weight: 500;
  color: #94a3b8;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

/* title */
.pcard-min h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 10px;
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.pcard-min h3 b {
  font-weight: 700;
}

/* body */
.pcard-min p {
  font-size: 14.5px;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0 0 28px;
  font-weight: 400;
}

/* impact */
.pcm-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-top: 22px;
  border-top: 1px solid #f1f3f6;
}
.pcm-num-big {
  font-size: 30px;
  font-weight: 700;
  color: var(--accent-red);
  letter-spacing: -0.025em;
  line-height: 1;
  font-family: var(--font);
  white-space: nowrap;
}
.pcm-unit {
  font-size: 17px;
  font-weight: 600;
  margin-left: 2px;
}
.pcm-cap {
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 500;
}

/* === FOCAL card 04 — stands out clearly === */
.pcard-min.focus {
  background: linear-gradient(180deg, #fff 0%, var(--accent-red-bg) 100%);
  border: 1px solid var(--accent-red-soft);
  box-shadow: 0 18px 48px -24px rgba(220,38,38,.22), 0 4px 12px -6px rgba(15,23,42,.06);
}
.pcard-min.focus::before {
  content: "";
  position: absolute;
  top: 22px;
  right: 22px;
  width: 8px;
  height: 8px;
  background: var(--accent-red);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(220,38,38,.15);
}
.pcard-min.focus .pcm-num {
  color: var(--accent-red);
  opacity: 0.7;
}
.pcard-min.focus .pcm-stat {
  border-top-color: var(--accent-red-soft);
}
.pcard-min.focus .pcm-num-big {
  font-size: 44px;
}
.pcard-min.focus:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 56px -24px rgba(220,38,38,.28), 0 6px 14px -6px rgba(15,23,42,.08);
}