/* ====================================================
   Cooperative DNA — 3-column comparison
   ==================================================== */

.coop {
  position: relative;
  padding: 6rem 0 7rem;
  background:
    radial-gradient(ellipse at 80% 0%, rgba(252, 211, 77, 0.06), transparent 55%),
    radial-gradient(ellipse at 20% 100%, rgba(56, 189, 248, 0.08), transparent 55%),
    linear-gradient(180deg, var(--bg-elev-1) 0%, var(--bg) 100%);
  overflow: hidden;
}

.coop__intro {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
}
.coop__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: var(--tracking-display);
  color: var(--heading);
  margin: 1rem 0 1rem;
  line-height: 1.05;
}
.coop__title em {
  font-style: normal;
  background: linear-gradient(135deg, var(--solar-light), var(--emerald-light));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.coop__lead { font-size: 1.125rem; color: var(--text-secondary); line-height: 1.6; }

.coop__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  gap: 1.25rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  align-items: stretch;
}

.coop-col {
  position: relative;
  padding: 2rem 1.75rem 2.25rem;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: var(--shadow-card);
  display: flex; flex-direction: column;
  transition: transform 300ms var(--ease-out), border-color 300ms var(--ease-out), box-shadow 300ms var(--ease-out);
}
.coop-col:hover { transform: translateY(-6px); }

/* PGE / Tauron column — muted grey */
.coop-col--legacy {
  background: linear-gradient(180deg, rgba(226, 232, 240, 0.10) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-color: rgba(15, 23, 42, 0.088);
}
.coop-col--legacy .coop-col__tag { background: rgba(148, 163, 184, 0.12); color: var(--text-secondary); border-color: rgba(148, 163, 184, 0.30); }
.coop-col--legacy .coop-col__icon { background: rgba(148, 163, 184, 0.12); border-color: rgba(148, 163, 184, 0.30); color: var(--text-secondary); }
.coop-col--legacy .coop-col__price { color: var(--text-secondary); }

/* Solo prosumer column — solar gold */
.coop-col--solo {
  background:
    radial-gradient(ellipse at top, rgba(245, 158, 11, 0.10), transparent 60%),
    linear-gradient(180deg, rgba(245, 158, 11, 0.08) 0%, rgba(255, 255, 255, 0.95) 100%);
  border-color: rgba(245, 158, 11, 0.25);
}
.coop-col--solo .coop-col__tag { background: rgba(245, 158, 11, 0.12); color: var(--solar-dark); border-color: rgba(245, 158, 11, 0.35); }
.coop-col--solo .coop-col__icon { background: rgba(245, 158, 11, 0.15); border-color: rgba(245, 158, 11, 0.45); color: var(--solar-dark); }
.coop-col--solo .coop-col__price { color: var(--solar-dark); }

/* Cooperative column — emerald, elevated */
.coop-col--ses {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(16, 185, 129, 0.20), transparent 60%),
    linear-gradient(180deg, rgba(16, 185, 129, 0.15) 0%, rgba(209, 250, 229, 0.12) 100%);
  border-color: var(--glass-border-emerald);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-12px);
}
.coop-col--ses:hover { transform: translateY(-18px); }
.coop-col--ses .coop-col__tag { background: rgba(16, 185, 129, 0.20); color: var(--emerald-dark); border-color: rgba(16, 185, 129, 0.50); }
.coop-col--ses .coop-col__icon { background: rgba(16, 185, 129, 0.20); border-color: rgba(16, 185, 129, 0.50); color: var(--emerald-dark); }
.coop-col--ses .coop-col__price { color: var(--emerald-dark); text-shadow: 0 0 18px rgba(16, 185, 129, 0.5); }
.coop-col--ses::before {
  content: 'Polecane';
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  padding: 5px 14px;
  background: linear-gradient(135deg, var(--emerald-light), var(--emerald), var(--emerald-dark));
  color: var(--white);
  font-size: 11px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.15);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.45);
}

/* Column inner ----- */
.coop-col__tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  border-radius: 999px; border: 1px solid;
  align-self: flex-start;
  margin-bottom: 1.25rem;
}
.coop-col__icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  border: 1px solid;
  margin-bottom: 1.25rem;
}
.coop-col__icon svg { width: 30px; height: 30px; }

.coop-col__title {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  letter-spacing: -0.025em; line-height: 1.1;
  color: var(--heading);
  margin: 0 0 0.5rem;
}
.coop-col__desc {
  font-size: 0.95rem; color: var(--text-secondary);
  margin: 0 0 1.5rem; line-height: 1.55;
}

.coop-col__price {
  font-family: var(--font-mono);
  font-size: 1.75rem; font-weight: 700;
  letter-spacing: -0.01em; line-height: 1;
  margin: 0 0 4px;
}
.coop-col__price-label {
  font-size: 0.72rem; color: var(--text-muted);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 1.25rem;
}

.coop-col__list {
  list-style: none; padding: 0; margin: 0 0 1.5rem;
  display: flex; flex-direction: column; gap: 0.55rem;
  flex: 1;
}
.coop-col__list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.9rem; line-height: 1.45;
  color: var(--text-primary);
}
.coop-col__list li svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; }
.coop-col__list li.is-bad  { color: var(--text-muted); }
.coop-col__list li.is-bad svg { color: rgba(148, 163, 184, 0.5); }
.coop-col__list li.is-warn svg { color: var(--solar-dark); }
.coop-col__list li.is-good svg { color: var(--emerald-dark); }

.coop-col__cta {
  width: 100%;
  padding: 0.85rem 1rem;
  text-align: center;
  font-weight: 600; font-size: 0.95rem;
  border-radius: var(--radius); cursor: pointer;
  transition: all var(--transition);
  border: 1px solid;
  font-family: inherit;
}
.coop-col--legacy .coop-col__cta { background: rgba(148, 163, 184, 0.10); color: var(--text-secondary); border-color: rgba(15, 23, 42, 0.1); }
.coop-col--solo .coop-col__cta   { background: rgba(245, 158, 11, 0.12); color: var(--solar-dark); border-color: rgba(245, 158, 11, 0.30); }
.coop-col--solo .coop-col__cta:hover { background: rgba(245, 158, 11, 0.20); border-color: var(--solar-gold); }
.coop-col--ses .coop-col__cta    {
  background: linear-gradient(135deg, var(--emerald-light) 0%, var(--emerald) 50%, var(--emerald-dark) 100%);
  color: #0f172a; border-color: rgba(15, 23, 42, 0.148);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.45), inset 0 1px 0 rgba(15, 23, 42, 0.15);
}
.coop-col--ses .coop-col__cta:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(16, 185, 129, 0.55), 0 0 40px rgba(52, 211, 153, 0.30); }

@media (max-width: 980px) {
  .coop__grid { grid-template-columns: 1fr; gap: 1rem; max-width: 460px; }
  .coop-col--ses { transform: none; }
  .coop-col--ses:hover { transform: translateY(-4px); }
}