/* ============================================
   Scene 0: Hero Landing
   ============================================ */

/* ── 整体场景 ── */
.scene--hero {
  min-height: 100vh;
  padding: 0;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

/* ── CSS 网格背景 ── */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 59px,
      rgba(148, 163, 184, 0.06) 59px,
      rgba(148, 163, 184, 0.06) 60px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 59px,
      rgba(148, 163, 184, 0.06) 59px,
      rgba(148, 163, 184, 0.06) 60px
    );
  animation: grid-breathe 6s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

/* ── 内容层 ── */
.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

/* ── 主布局：两栏 ── */
.hero-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  width: 100%;
}

/* ── 左侧文字区 ── */
.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* 标签胶囊 */
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 59, 115, 0.06);
  border: 1px solid rgba(0, 59, 115, 0.15);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--accent-blue-light);
  letter-spacing: 0.05em;
}

.hero-tag-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: glow-pulse 2s ease-in-out infinite;
  box-shadow: 0 0 6px var(--accent-green-glow);
}

/* 大标题 */
.hero-title {
  font-size: var(--font-size-6xl);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-title-line {
  display: block;
}

.hero-title-gradient {
  background: var(--gradient-blue-purple);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 副标题 */
.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 500px;
}

/* CTA 按钮 */
.hero-cta {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
  font-weight: 700;
  border-radius: var(--radius-lg);
  width: fit-content;
}

.hero-cta-arrow {
  display: inline-block;
  animation: hero-arrow-bounce 1.6s ease-in-out infinite;
  margin-left: var(--space-2);
}

@keyframes hero-arrow-bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(5px); }
}

/* ── 右侧视觉区 ── */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

.hero-visual canvas {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

/* ── 统计数据行 ── */
.hero-stats {
  display: flex;
  gap: var(--space-4);
  width: 100%;
  max-width: 600px;
}

.hero-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(var(--glass-blur));
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--accent-blue-light);
}

.hero-stat-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.hero-stat-check {
  color: var(--accent-green);
  font-size: var(--font-size-2xl);
}

/* ── 底部滚动提示 ── */
.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  z-index: 2;
}

.hero-scroll-hint span {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(
    180deg,
    var(--accent-blue) 0%,
    transparent 100%
  );
  animation: hero-scroll-move 2s ease-in-out infinite;
  transform-origin: top;
}

@keyframes hero-scroll-move {
  0%   { opacity: 0; transform: scaleY(0); }
  50%  { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0) translateY(20px); }
}

/* ── 响应式 ── */
@media (max-width: 1024px) {
  .hero-main {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }

  .hero-text {
    align-items: center;
  }

  .hero-title {
    font-size: var(--font-size-4xl);
  }

  .hero-subtitle {
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-stats {
    flex-direction: column;
  }

  .hero-stat {
    flex-direction: row;
    justify-content: space-between;
  }
}