.signature-principle {
  margin: 1.7rem 0 1.9rem;
  padding: 0.2rem 0 0.2rem 1.15rem;
  border-left: 2px solid var(--copper, #b86f45);
  max-width: 37rem;
}

.signature-principle span,
.principle-system-label {
  display: block;
  margin-bottom: 0.48rem;
  color: var(--copper, #d87845);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.2em;
}

.signature-principle p {
  margin: 0;
  color: inherit;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  font-style: italic;
  line-height: 1.35;
}

.principle-system {
  margin-top: 2rem;
  padding-top: 1.6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.principle-system strong {
  display: block;
  max-width: 38rem;
  color: #fff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.45rem, 2.7vw, 2.25rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.22;
}

.principle-system > p {
  max-width: 37rem;
  margin: 1rem 0 1.4rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 1rem;
  line-height: 1.7;
}

.principle-flow {
  position: relative;
  width: min(100%, 58rem);
  height: clamp(20rem, 34vw, 24rem);
  margin-top: 0.8rem;
  isolation: isolate;
}

.principle-flow::before,
.principle-flow::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.principle-flow::before {
  right: 1%;
  bottom: -8%;
  width: 45%;
  aspect-ratio: 1;
  border: 1px solid rgba(214, 255, 78, 0.18);
  box-shadow: 0 0 0 3.8rem rgba(214, 255, 78, 0.025), 0 0 80px rgba(214, 255, 78, 0.08);
  animation: principle-pulse 5s ease-in-out infinite;
}

.principle-flow::after {
  right: 15%;
  bottom: 7%;
  width: 13rem;
  height: 13rem;
  background: radial-gradient(circle, rgba(214, 255, 78, 0.12), transparent 68%);
  filter: blur(10px);
}

.principle-flow-path {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.principle-flow-path path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.principle-flow-path-shadow {
  stroke: rgba(255, 255, 255, 0.12);
  stroke-width: 2;
}

.principle-flow-path-energy {
  stroke: var(--copper-bright, #ef8650);
  stroke-width: 2;
  stroke-dasharray: 2 18;
  animation: principle-energy 8s linear infinite;
  filter: drop-shadow(0 0 5px rgba(239, 134, 80, 0.58));
}

.principle-flow-word {
  position: absolute;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: max-content;
  max-width: 92%;
}

.principle-flow-word i {
  margin-bottom: 0.25rem;
  color: var(--copper-bright, #ef8650);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.principle-flow-word b {
  color: #fff;
  font-family: var(--font-display, Arial, sans-serif);
  font-size: clamp(1.7rem, 3.8vw, 3.35rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.86;
  text-transform: uppercase;
  text-shadow: 0 14px 38px rgba(0, 0, 0, 0.2);
}

.principle-flow-word-1 {
  top: 1%;
  left: 1%;
}

.principle-flow-word-2 {
  top: 18%;
  right: 0;
  align-items: flex-end;
  text-align: right;
}

.principle-flow-word-3 {
  top: 37%;
  left: 11%;
}

.principle-flow-word-4 {
  top: 56%;
  right: 6%;
  align-items: flex-end;
  text-align: right;
}

.principle-flow-word-5 {
  right: 2%;
  bottom: 1%;
  align-items: flex-end;
  text-align: right;
}

.principle-flow-word-1 b,
.principle-flow-word-3 b {
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.72);
  text-stroke: 1px rgba(255, 255, 255, 0.72);
}

.principle-flow-word-5 b {
  color: var(--acid, #d6ff4e);
  font-size: clamp(2.65rem, 5.8vw, 5rem);
  letter-spacing: -0.07em;
  text-shadow: 0 0 34px rgba(214, 255, 78, 0.18);
}

@keyframes principle-energy {
  to { stroke-dashoffset: -200; }
}

@keyframes principle-pulse {
  0%, 100% { opacity: 0.72; transform: scale(0.98); }
  50% { opacity: 1; transform: scale(1.03); }
}

@media (max-width: 720px) {
  .signature-principle {
    margin: 1.35rem 0 1.55rem;
  }

  .principle-flow {
    height: 24rem;
    margin-top: 1rem;
  }

  .principle-flow-word b {
    font-size: clamp(1.5rem, 7.8vw, 2.5rem);
    line-height: 0.92;
  }

  .principle-flow-word-1 { top: 2%; left: 0; }
  .principle-flow-word-2 { top: 19%; right: 0; }
  .principle-flow-word-3 { top: 38%; left: 6%; }
  .principle-flow-word-4 { top: 57%; right: 3%; }
  .principle-flow-word-5 { right: 0; bottom: 1%; }

  .principle-flow-word-5 b {
    font-size: clamp(2.5rem, 13.5vw, 4.2rem);
  }

  .principle-flow::before {
    right: -18%;
    bottom: -2%;
    width: 78%;
  }

  .principle-flow-path-shadow,
  .principle-flow-path-energy {
    stroke-width: 3;
  }
}

@media (max-width: 390px) {
  .principle-flow {
    height: 22rem;
  }

  .principle-flow-word i {
    font-size: 0.65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .principle-flow-path-energy,
  .principle-flow::before {
    animation: none;
  }
}