.page-section {
  padding: 120px 0 80px;
  position: relative;
}

.section-header .subtitle {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.7);
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 80px;
}

.principle-card {
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.principle-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-1);
  transform: scaleX(0);
  transition: var(--transition-fast);
  transform-origin: left;
}

.principle-card:nth-child(1)::before { background: linear-gradient(135deg, #10b981, #06b6d4); }
.principle-card:nth-child(2)::before { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.principle-card:nth-child(3)::before { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.principle-card:nth-child(4)::before { background: linear-gradient(135deg, #ec4899, #f43f5e); }

.principle-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-glow);
}

.principle-card:hover::before {
  transform: scaleX(1);
}

.principle-number {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.25rem;
  font-weight: 800;
  color: white;
}

.principle-card:nth-child(1) .principle-number { background: linear-gradient(135deg, #10b981, #06b6d4); }
.principle-card:nth-child(2) .principle-number { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.principle-card:nth-child(3) .principle-number { background: linear-gradient(135deg, #f59e0b, #ef4444); }
.principle-card:nth-child(4) .principle-number { background: linear-gradient(135deg, #ec4899, #f43f5e); }

.principle-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: #fff;
}

.principle-card p {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  margin: 0;
}

.boundary-section {
  margin-bottom: 80px;
}

.boundary-section .section-header {
  margin-bottom: 40px;
}

.boundary-blocks {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.boundary-block {
  padding: 32px;
  position: relative;
}

.boundary-block p {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.boundary-block a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.boundary-block a:hover {
  color: #22d3ee;
}

.boundary-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  background: var(--gradient-1);
  color: #fff;
}

.boundary-icon svg {
  width: 24px;
  height: 24px;
}

.boundary-block:nth-child(2) .boundary-icon {
  background: var(--gradient-1);
}

.founder-message-section {
  margin-top: 40px;
}

.founder-message-section .section-header {
  margin-bottom: 40px;
}

.founder-message {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  overflow: hidden;
  border-radius: 20px;
}

.founder-message .founder-photo {
  width: 22%;
  flex-shrink: 0;
  overflow: hidden;
}

.founder-message .founder-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.founder-message .message-content {
  flex: 1;
  padding: 40px;
}

.founder-message .quote-icon {
  font-size: 3rem;
  color: rgba(99, 102, 241, 0.6);
  line-height: 1;
  margin-bottom: 12px;
}

.founder-message .message-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
  margin-bottom: 20px;
}

.founder-message .signature {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
}

.founder-message .signature strong {
  color: #fff;
  font-style: normal;
}

.visual-element {
  position: absolute;
  opacity: 0.08;
  pointer-events: none;
  z-index: -1;
}

.visual-1 {
  top: 20%;
  right: 5%;
  width: 300px;
  height: 300px;
  background: var(--gradient-1);
  border-radius: 50%;
  filter: blur(80px);
}

.visual-2 {
  bottom: 20%;
  left: 5%;
  width: 250px;
  height: 250px;
  background: var(--gradient-2);
  border-radius: 50%;
  filter: blur(70px);
}

@media (max-width: 768px) {
  .founder-message {
    flex-direction: column;
    text-align: center;
  }

  .founder-message .founder-photo {
    width: 100%;
    height: 200px;
  }

  .founder-message .message-content {
    padding: 28px 24px;
  }

  .principles-grid {
    grid-template-columns: 1fr;
  }
}