/* Research page design, aligned with logo.svg palette. */
:root {
  --research-blue-900: #003bde;
  --research-blue-700: #0268f4;
  --research-blue-500: #0f94f6;
  --research-cyan-400: #13d7f8;
  --research-bg: #ffffff;
  --research-surface: #f6f9ff;
  --research-panel: #ffffff;
  --research-panel-soft: #f4f8ff;
  --research-text: #111827;
  --research-muted: #5b6675;
  --research-line: rgba(0, 59, 222, 0.13);
  --research-primary: var(--research-blue-900);
  --research-primary-hover: var(--research-blue-700);
  --research-secondary: var(--research-blue-500);
  --research-shadow: 0 18px 48px rgba(0, 59, 222, 0.10);
}

[data-bs-theme="dark"] {
  --research-bg: #080d1b;
  --research-surface: #0f1730;
  --research-panel: #10192f;
  --research-panel-soft: #142142;
  --research-text: #f7faff;
  --research-muted: #bdc9dd;
  --research-line: rgba(19, 215, 248, 0.18);
  --research-primary: #91b1f4;
  --research-primary-hover: var(--research-cyan-400);
  --research-secondary: var(--research-cyan-400);
  --research-shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
}

body {
  padding: 0;
  background:
    radial-gradient(circle at 86% 0%, rgba(19, 215, 248, 0.16), transparent 24rem),
    linear-gradient(180deg, var(--research-surface) 0, var(--research-bg) 34rem);
  color: var(--research-text);
}

.research-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 118px 24px 80px;
}

.research-hero {
  max-width: 820px;
  margin-bottom: 48px;
}


.research-hero h1 {
  margin: 0;
  color: var(--research-text);
  font-size: clamp(2.45rem, 4.6vw, 3.7rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
}

.research-section {
  margin: 58px 0;
}

.research-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 0;
}

.research-section h2 {
  margin: 0;
  color: var(--research-text);
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
}

.topic-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 34px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.topic-list li {
  position: relative;
  padding: 0 0 0 17px;
  color: var(--research-muted);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.55;
}

.topic-list li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--research-secondary);
}

.research-list {
  display: grid;
  gap: 13px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.research-list li {
  position: relative;
  padding: 3px 0 3px 18px;
  color: var(--research-text);
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  font-weight: 500;
  line-height: 1.6;
}

.research-list li::before {
  content: "";
  position: absolute;
  top: 0.9em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--research-secondary);
}

.demo-section {
  padding: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.demo-section .research-section-head {
  margin-bottom: 14px;
}

.demo-status {
  margin: 0;
  color: var(--research-muted);
  font-size: 1rem;
  font-weight: 500;
}

.site-footer {
  margin-top: 70px;
}

@media (max-width: 860px) {
  .research-page {
    padding: 104px 18px 64px;
  }

  .research-section {
    margin: 48px 0;
  }
}

@media (max-width: 560px) {
  .research-hero h1 {
    font-size: clamp(2.25rem, 12vw, 3.15rem);
  }

  .topic-list {
    grid-template-columns: 1fr;
  }

  .research-list li {
    padding: 4px 0 4px 18px;
  }

  .research-list li::before {
    top: 0.9em;
  }

  .demo-section {
    padding: 0;
    border-radius: 0;
  }
}