/* ============================================================
 * Hero — 首页 hero 区
 * ============================================================ */

.hero {
  position: relative;
  padding: var(--space-9, 96px) 0 var(--space-7, 48px);
  background:
    linear-gradient(135deg,
      var(--color-primary, #2D5016) 0%,
      var(--color-primary-light, #5A8F3D) 60%,
      var(--color-secondary, #6B8E7F) 100%);
  color: #fff;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 30%;
  background:
    radial-gradient(ellipse at center top, rgba(0,0,0,0.15), transparent 60%),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 30' preserveAspectRatio='none'><path d='M0,20 Q15,5 30,15 T60,12 T100,18 L100,30 L0,30 Z' fill='%232D5016' opacity='0.4'/></svg>") no-repeat center bottom;
  background-size: auto, 100% 100%;
  pointer-events: none;
}

.hero > .container {
  position: relative;
  z-index: 1;
}

.hero__eyebrow {
  margin: 0 0 var(--space-3, 12px);
  font-size: var(--fs-sm, 14px);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.9;
  font-weight: 500;
}

.hero__title {
  margin: 0 0 var(--space-4, 16px);
  font-size: var(--fs-hero, 64px);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.25);
  line-height: 1.1;
}

.hero__subtitle {
  margin: 0 0 var(--space-3, 12px);
  font-size: var(--fs-lg, 22px);
  opacity: 0.95;
  font-weight: 300;
}

.hero__dates {
  margin: 0 0 var(--space-5, 24px);
  font-size: var(--fs-md, 18px);
  opacity: 0.85;
}

.hero__meta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3, 12px);
}

.hero__meta-item {
  padding: var(--space-2, 8px) var(--space-4, 16px);
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full, 9999px);
  font-size: var(--fs-sm, 14px);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

/* ---------- Mobile ---------- */
@media (max-width: 768px) {
  .hero {
    padding: var(--space-7, 48px) 0 var(--space-6, 32px);
  }
  .hero__title {
    font-size: var(--fs-2xl, 36px);
    letter-spacing: 0.02em;
  }
  .hero__subtitle {
    font-size: var(--fs-md, 18px);
  }
  .hero__dates {
    font-size: var(--fs-base, 16px);
  }
  .hero__meta-item {
    font-size: var(--fs-xs, 12px);
    padding: var(--space-1, 4px) var(--space-3, 12px);
  }
}

@media (max-width: 480px) {
  .hero__title { font-size: var(--fs-xl, 28px); }
}