/* ============================================
   亿企聪财税 - 自定义样式
   补充 Tailwind 之外的动画与交互样式
   ============================================ */

/* --- 平滑滚动 --- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* --- 滚动进入动画 --- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* 动画延迟（错落出现） */
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* --- 数字滚动增长动画 --- */
.stat-number {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* --- 导航栏滚动状态 --- */
#navbar {
  transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(17, 24, 39, 0.08);
}

/* 首页导航初始在深色背景上 */
#navbar.on-dark .nav-link {
  color: rgba(255, 255, 255, 0.85);
}
#navbar.on-dark .nav-link:hover {
  color: #BFA780;
}
#navbar.on-dark .brand-text {
  color: #ffffff;
}
#navbar.on-dark.scrolled .nav-link {
  color: #4B5563;
}
#navbar.on-dark.scrolled .nav-link:hover {
  color: #9A7E56;
}
#navbar.on-dark.scrolled .brand-text {
  color: #111827;
}
/* 非首页直接白底 */
#navbar:not(.on-dark) {
  background-color: #ffffff;
  box-shadow: 0 1px 12px rgba(17, 24, 39, 0.06);
}

/* --- 移动端菜单 --- */
#mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
#mobile-menu.open {
  max-height: 480px;
}
#mobile-menu.open {
  background-color: #ffffff;
}

/* --- FAQ 手风琴 --- */
.faq-item .faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.faq-item.open .faq-answer {
  max-height: 400px;
}
.faq-item .faq-icon {
  transition: transform 0.3s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

/* --- 悬浮咨询窗 --- */
#float-widget {
  transform: translateY(120%);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
#float-widget.visible {
  transform: translateY(0);
}

/* --- 二维码弹窗 --- */
#qr-modal {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
#qr-modal.open {
  opacity: 1;
  pointer-events: auto;
}
#qr-modal .qr-box {
  transform: scale(0.92);
  transition: transform 0.3s ease;
}
#qr-modal.open .qr-box {
  transform: scale(1);
}

/* --- 电话弹窗 --- */
#tel-modal {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
#tel-modal.open {
  opacity: 1;
  pointer-events: auto;
}
#tel-modal > div {
  transform: scale(0.92);
  transition: transform 0.3s ease;
}
#tel-modal.open > div {
  transform: scale(1);
}

/* --- Hero 区装饰 --- */
.hero-grid-bg {
  background-image:
    linear-gradient(rgba(191, 167, 128, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(191, 167, 128, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}

.gold-line {
  background: linear-gradient(90deg, transparent, #BFA780, transparent);
}

/* --- 金色文字渐变 --- */
.gold-text {
  background: linear-gradient(135deg, #D4C4A0 0%, #BFA780 45%, #A8854F 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- 服务卡片悬停金色描边 --- */
.service-card {
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.35s ease,
              border-color 0.35s ease;
  border: 1px solid #E2E8F0;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -12px rgba(17, 24, 39, 0.15);
  border-color: #BFA780;
}

/* --- 表单聚焦态 --- */
.form-input {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-input:focus {
  outline: none;
  border-color: #BFA780;
  box-shadow: 0 0 0 3px rgba(191, 167, 128, 0.18);
}

/* --- 移动端底部操作栏 --- */
#mobile-action-bar {
  display: none;
}
@media (max-width: 767px) {
  #mobile-action-bar {
    display: flex;
  }
  body {
    padding-bottom: 60px;
  }
}

/* --- 表单提交成功提示 --- */
#form-success {
  display: none;
}
#form-success.show {
  display: block;
  animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- 时间线连接线（服务流程） --- */
.process-step::after {
  content: "";
  position: absolute;
  top: 24px;
  left: calc(50% + 36px);
  width: calc(100% - 72px);
  height: 2px;
  background: linear-gradient(90deg, #BFA780, #E2D5B8);
}
.process-step:last-child::after {
  display: none;
}
@media (max-width: 767px) {
  .process-step::after {
    display: none;
  }
}

/* --- 减少动效偏好 --- */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}