/* ============================================
   首页专属样式 - 智慧安防叙事
   ============================================ */

/* ========== 英雄区 ========== */
.hero-tech {
  position: relative;
  padding: clamp(3rem, 8vw, 7rem) clamp(1.5rem, 7vw, 8rem) clamp(4rem, 7vw, 6rem);
  width: 100%;
  margin: 0;
  display: grid;
  grid-template-columns: minmax(320px, 520px) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
  overflow: hidden;
}

.hero-tech::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 15% 35%, rgba(30, 136, 229, 0.25), transparent 55%),
              radial-gradient(circle at 80% 20%, rgba(0, 172, 193, 0.25), transparent 50%),
              linear-gradient(135deg, rgba(5, 13, 31, 0.2), rgba(5, 13, 31, 0.85));
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 520px;
}

.hero-copy h1 {
  font-size: var(--font-size-5xl);
  line-height: 1.2;
  margin-bottom: var(--spacing-xl);
}

.hero-copy p {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-3xl);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  align-items: center;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-4xl);
}

.hero-metric {
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.hero-metric strong {
  display: block;
  font-size: 34px;
  letter-spacing: normal;
  margin-bottom: var(--spacing-sm);
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-glow);
  min-height: 440px;
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-visual::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(5, 13, 31, 0.9));
}

.hero-overlay-data {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: var(--spacing-2xl);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-lg);
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(5, 13, 31, 0.85));
}

.hero-overlay-data span {
  font-size: 14px;
  color: var(--color-text-muted);
}

.hero-overlay-data strong {
  display: block;
  font-size: 20px;
  color: #fff;
}

/* ========== 产品矩阵 ========== */
.products-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-2xl);
}

.matrix-card {
  padding: var(--spacing-2xl);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.02);
  position: relative;
  overflow: hidden;
}

.matrix-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(30, 136, 229, 0.2), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.matrix-card:hover::after {
  opacity: 1;
}

.matrix-card h3 {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.matrix-card p {
  color: var(--color-text-muted);
  font-size: 15px;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-lg);
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ========== 解决方案场景 ========== */
.solutions-scene {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.scene-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 260px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.scene-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.scene-card:hover img {
  transform: scale(1.08);
}

.scene-card .scene-content {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 31, 0.1), rgba(5, 13, 31, 0.9));
  padding: var(--spacing-2xl);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.scene-content h3 {
  margin: 0 0 var(--spacing-sm);
}

.scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ========== 技术仪表盘 ========== */
.tech-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-2xl);
}

.gauge-card {
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
  position: relative;
}

.gauge {
  width: 140px;
  height: 140px;
  margin: 0 auto var(--spacing-lg);
  border-radius: 50%;
  background: conic-gradient(var(--color-secondary) var(--value, 0deg), rgba(255, 255, 255, 0.08) 0);
  position: relative;
}

.gauge::after {
  content: attr(data-label);
  position: absolute;
  inset: 20px;
  border-radius: 50%;
  background: rgba(5, 13, 31, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: var(--font-weight-bold);
}

/* ========== 案例画廊 ========== */
.case-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.case-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 260px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.case-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.case-card:hover img {
  transform: scale(1.05);
}

.case-card .case-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 13, 31, 0.1), rgba(5, 13, 31, 0.95));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-2xl);
}

.case-meta {
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ========== 合作伙伴 ========== */
.partners-wall {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  justify-content: center;
}

.partner-chip {
  padding: var(--spacing-md) var(--spacing-2xl);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  letter-spacing: 0.1em;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ========== 媒体查询 ========== */
@media (max-width: 1024px) {
  .hero-tech {
    grid-template-columns: 1fr;
    padding: clamp(3rem, 10vw, 5rem) clamp(1.5rem, 6vw, 3.5rem) clamp(3rem, 8vw, 4rem);
  }

  .hero-visual {
    min-height: 360px;
  }

  .hero-overlay-data {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .hero-tech {
    padding: clamp(2.5rem, 12vw, 3rem) var(--spacing-xl) clamp(2.5rem, 12vw, 3.5rem);
  }

  .hero-copy h1 {
    font-size: 38px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .hero-overlay-data {
    grid-template-columns: 1fr;
  }
}