.fc-method {
  --fc-cyan: #7dd3fc;
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(ellipse 48% 62% at 90% 38%, rgba(56, 189, 248, 0.15), transparent 58%),
    radial-gradient(circle at 10% 80%, rgba(59, 130, 246, 0.08), transparent 50%),
    #0b121a;
  padding: clamp(80px, 10vw, 128px) 0;
}

.fc-method__inner {
  width: 100%;
  margin: 0 auto;
  padding: 0 clamp(20px, 3.5vw, 56px);
  box-sizing: border-box;
}

.fc-method__eyebrow {
  color: rgba(125, 211, 252, 0.88);
}

.fc-method__eyebrow::before {
  background: var(--fc-cyan);
}

.fc-method__title {
  margin: 16px 0 0;
  max-width: 15ch;
  font-size: clamp(36px, 4.6vw, 60px);
  font-weight: 600;
  letter-spacing: -0.042em;
  line-height: 1.02;
  color: #f7f4ee;
}

.fc-method__kpis {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 44px 0 0;
}

@media (min-width: 640px) {
  .fc-method__kpis {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 980px) {
  .fc-method__kpis {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }
}

.fc-method__kpi {
  padding: 20px 18px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(8, 12, 18, 0.4));
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.fc-method__kpi:hover {
  border-color: rgba(125, 211, 252, 0.24);
  transform: translateY(-2px);
}

.fc-method__kpi h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: #f7f4ee;
}

.fc-method__protocol {
  position: relative;
  margin: 32px 0 0;
  padding: 32px 28px;
  border-radius: 18px;
  border: 1px solid rgba(125, 211, 252, 0.22);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 40%),
    rgba(7, 11, 16, 0.88);
  box-shadow:
    0 28px 60px rgba(0, 0, 0, 0.35),
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 0 48px rgba(56, 189, 248, 0.08);
}

.fc-method__protocol-label {
  margin: 0 0 24px;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fc-cyan);
}

.fc-method__protocol ol {
  counter-reset: proto;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 640px) {
  .fc-method__protocol ol {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

@media (min-width: 980px) {
  .fc-method__protocol ol {
    grid-template-columns: repeat(5, 1fr);
  }
}

.fc-method__protocol li {
  counter-increment: proto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14px;
  color: #a9afb4;
  background: rgba(0, 0, 0, 0.15);
}

.fc-method__protocol li::before {
  content: counter(proto, decimal-leading-zero);
  flex-shrink: 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(125, 211, 252, 0.55);
}

.fc-method__protocol li.is-on {
  color: #f3f1ec;
  border-color: rgba(125, 211, 252, 0.28);
  background: rgba(125, 211, 252, 0.05);
}

.fc-method__protocol li.is-on::before {
  color: #7dd3fc;
}

.fc-method__close {
  margin: 28px 0 0;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  max-width: 32em;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 500;
  letter-spacing: -0.028em;
  line-height: 1.35;
  color: #f7f4ee;
}