/* ============================================
   Patents Page
============================================ */
.page-patents { background: var(--bg-base); }
.header-sub { background: rgba(6,9,16,0.5); backdrop-filter: blur(0.6rem); }
.header-sub.scrolled { background: rgba(6,9,16,0.92); }
.accent { color: var(--main-color3); }

/* Hero */
.patents-hero {
  position: relative;
  padding: calc(var(--header-h) + 10rem) 0 8rem;
  overflow: hidden;
}
.patents-hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(120px); }
.hero-orb-1 {
  top: -10rem; left: -10rem;
  width: 60rem; height: 60rem;
  background: radial-gradient(circle, rgba(39,102,248,0.5), rgba(39,102,248,0) 70%);
}
.hero-orb-2 {
  bottom: -20rem; right: -10rem;
  width: 70rem; height: 70rem;
  background: radial-gradient(circle, rgba(23,81,217,0.4), rgba(23,81,217,0) 70%);
}
.patents-hero-inner { position: relative; z-index: 1; text-align: center; }
.patents-hero-inner .sub-label { display: inline-block; margin-bottom: 2rem; }
.patents-hero-title {
  font-size: 5.8rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 2.4rem;
}
.patents-hero-title .accent { font-weight: 700; color: var(--main-color3); }
.patents-hero-desc {
  font-size: 1.7rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Counts */
.patents-counts {
  padding: 4rem 0 8rem;
}
.patents-count-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.patents-count-list li {
  padding: 4rem 3rem;
  border-radius: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  text-align: center;
}
.pc-num {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.6rem;
  font-size: 7rem;
  font-weight: 300;
  letter-spacing: -0.04em;
  color: #fff;
  line-height: 1;
  margin-bottom: 1.2rem;
}
.pc-num em {
  font-style: normal;
  font-size: 2.2rem;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
}
.patents-count-list li p {
  font-size: 1.4rem;
  color: rgba(255,255,255,0.7);
  letter-spacing: -0.02em;
}

/* List */
.patents-list { padding: 4rem 0 10rem; }
.patents-list-head { text-align: center; margin-bottom: 5rem; }
.patents-list-head .sub-label { display: inline-block; margin-bottom: 1.8rem; }
.patents-list-head .section-title { font-size: 4rem; font-weight: 700; }

.patent-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.patent-card {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2.5rem;
  padding: 4rem 3.5rem;
  border-radius: 2.4rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.patent-card:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-4px);
}
.patent-num {
  font-size: 5.2rem;
  font-weight: 300;
  color: var(--main-color3);
  letter-spacing: -0.03em;
  line-height: 1;
  opacity: 0.9;
}
.patent-tit {
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.04em;
  margin-bottom: 0.8rem;
}
.patent-tag {
  font-family: var(--font-en);
  font-size: 1.35rem;
  font-weight: 500;
  margin-bottom: 1.4rem;
  letter-spacing: -0.01em;
}
.patent-desc {
  font-size: 1.42rem;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 1.8rem;
}
.patent-points li {
  position: relative;
  padding: 0.5rem 0 0.5rem 1.6rem;
  font-size: 1.32rem;
  color: rgba(255,255,255,0.78);
}
.patent-points li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 0.5rem;
  color: var(--main-color3);
}

/* Trust */
.patents-trust {
  padding: 8rem 0 10rem;
}
.trust-box {
  padding: 6rem 5rem;
  border-radius: 3rem;
  background: linear-gradient(135deg, rgba(39,102,248,0.15), rgba(23,81,217,0.06));
  border: 1px solid rgba(39,102,248,0.22);
  text-align: center;
}
.trust-box .sub-label { display: inline-block; margin-bottom: 1.8rem; }
.trust-tit {
  font-size: 3.6rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 4rem;
  color: #fff;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: left;
}
.trust-item {
  padding: 2.6rem 2.2rem;
  border-radius: 1.6rem;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.08);
}
.trust-item strong {
  display: block;
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--main-color3);
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.trust-item p {
  font-size: 1.35rem;
  color: rgba(255,255,255,0.75);
  line-height: 1.65;
}

/* CTA */
.patents-cta {
  padding: 8rem 0 14rem;
  text-align: center;
}
.patents-cta-inner .cta-title {
  font-size: 4.4rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 3rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .patent-cards { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .patents-count-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .patents-hero-title { font-size: 3.4rem; }
  .patent-card { grid-template-columns: 1fr; padding: 3rem 2.4rem; }
  .patent-num { font-size: 3.4rem; }
  .trust-tit { font-size: 2.8rem; }
  .patents-cta-inner .cta-title { font-size: 2.8rem; }
}