:root {
  --home-primary: #283a66;
  --home-accent: #f89938;
  --home-surface: #f6f8fc;
  --home-surface-strong: #ffffff;
  --home-border: rgba(40, 58, 102, 0.14);
  --home-muted: #5d6678;
  --home-shadow: 0 18px 40px rgba(18, 28, 46, 0.12);
  --home-radius: 1.25rem;
}

[data-md-color-scheme="slate"] {
  --home-primary: #dbe3ff;
  --home-accent: #ffb35a;
  --home-surface: rgba(255, 255, 255, 0.04);
  --home-surface-strong: rgba(255, 255, 255, 0.05);
  --home-border: rgba(255, 255, 255, 0.12);
  --home-muted: #c3cad6;
  --home-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

.home-hero {
  position: relative;
  display: block;
  min-height: 28rem;
  padding: clamp(1.1rem, 1.4vw + 1rem, 1.8rem);
  border-radius: 1.5rem;
  box-shadow: var(--home-shadow);
  isolation: isolate;
  overflow: hidden;
}

.home-hero::before {
  content: "";
  position: absolute;
  inset: -1.5rem;
  background: url("../asset/images/home-hero-star.png") center top / 320px auto repeat;
  filter: blur(8px) saturate(1.08) brightness(0.96);
  transform: scale(1.03);
  z-index: -2;
}

.home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(24, 36, 67, 0.62) 0%, rgba(36, 54, 96, 0.5) 52%, rgba(52, 73, 124, 0.42) 100%);
  z-index: -1;
}

.home-hero__copy {
  max-width: min(100%, 57rem);
  padding: clamp(1.35rem, 1.4vw + 1.1rem, 2.4rem);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 1.3rem;
  background:
    linear-gradient(180deg, rgba(27, 40, 74, 0.28), rgba(30, 46, 84, 0.18));
  backdrop-filter: blur(6px);
  box-shadow: 0 18px 34px rgba(8, 14, 30, 0.14);
}

.md-typeset .home-hero h1 {
  margin: 0 0 1rem;
  color: #ffffff;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
}

.home-hero__copy > p {
  max-width: 42rem;
  margin: 0 0 0.9rem;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.02rem;
  line-height: 1.75;
}

.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.35rem;
}

.home-hero__actions .md-button {
  margin: 0;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.28);
}

.home-hero__actions .md-button:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.42);
}

.home-hero__actions .md-button--primary {
  color: #1f2d50;
  font-weight: 700;
  background-color: var(--home-accent);
  border-color: var(--home-accent);
}

.home-hero__actions .md-button--primary:hover {
  color: #1f2d50;
  background-color: #ffb865;
  border-color: #ffb865;
}

.home-note {
  margin: 1.4rem 0 2rem;
  padding: 1rem 1.15rem;
  border-left: 0.28rem solid var(--home-accent);
  border-radius: 0 1rem 1rem 0;
  background: var(--home-surface);
  color: var(--home-muted);
  line-height: 1.75;
}

.home-section-lead {
  margin: -0.3rem 0 1rem;
  color: var(--home-muted);
  font-size: 1.02rem;
  line-height: 1.75;
}

.home-grid {
  margin-bottom: 2.1rem;
}

.home-grid .headerlink {
  display: none;
}

.home-research-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin: 1rem 0 2.1rem;
}

.home-research-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--home-border);
  border-radius: var(--home-radius);
  background: var(--home-surface-strong);
  box-shadow: var(--home-shadow);
}

.home-research-card > img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #edf1f8;
}

.home-research-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 1.05rem 1.1rem 1.2rem;
}

.md-typeset .home-research-card__body h3 {
  margin: 0 0 0.55rem;
}

.home-research-card__body p {
  margin: 0;
  color: var(--home-muted);
  line-height: 1.72;
}

.home-research-card__meta {
  margin-top: 0.95rem;
  font-size: 0.84rem;
  line-height: 1.6;
}

.home-research-card__meta strong {
  color: var(--home-primary);
}

.home-research-card__body .home-chip-row {
  margin-top: auto;
  padding-top: 1rem;
}

.home-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.home-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.72rem;
  border: 1px solid var(--home-border);
  border-radius: 999px;
  background: var(--home-surface);
  color: var(--home-primary);
  font-size: 0.78rem;
  font-weight: 700;
  text-decoration: none;
}

.home-chip:hover {
  background: rgba(248, 153, 56, 0.12);
  border-color: rgba(248, 153, 56, 0.35);
}

.home-footer-cta {
  margin: 2rem 0 0.6rem;
  padding: 1.25rem 1.3rem;
  border: 1px dashed var(--home-border);
  border-radius: 1.1rem;
  background:
    linear-gradient(135deg, rgba(248, 153, 56, 0.12), transparent 35%),
    var(--home-surface);
}

.home-footer-cta p {
  margin: 0 0 1rem;
  color: var(--home-muted);
  line-height: 1.75;
}

.home-footer-cta .md-button {
  margin: 0;
}

@media screen and (max-width: 960px) {
  .home-research-grid {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 720px) {
  .home-hero {
    min-height: auto;
    padding: 1rem;
    border-radius: 1.2rem;
  }

  .home-note,
  .home-footer-cta {
    border-radius: 1rem;
  }
}