@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --primary-gradient: linear-gradient(135deg, #06b6d4, #8b5cf6);
  --secondary-gradient: linear-gradient(135deg, #ec4899, #f43f5e);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  scroll-behavior: smooth;
}

/* 自定义动画 */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes gradientPulse {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.bg-gradient-animated {
  background-size: 200% 200%;
  animation: gradientPulse 3s ease infinite;
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.1);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #0891b2, #7c3aed);
}

/* 按钮悬停效果 */
.button-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.button-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 文字渐变效果 */
.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 卡片悬停效果 */
.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* 背景模糊效果 */
.backdrop-blur-custom {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* 渐变边框 */
.border-gradient {
  position: relative;
}

.border-gradient::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--primary-gradient);
  border-radius: inherit;
  z-index: -1;
}

/* 加载动画 */
.loading {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.loading.loaded {
  opacity: 1;
  transform: translateY(0);
}

/* 响应式设计增强 */
@media (max-width: 768px) {
  .hero-content {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
  
  .section-padding {
    padding: 4rem 1rem;
  }
}

/* 自定义过渡效果 */
.transition-custom {
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 深色模式适配 */
@media (prefers-color-scheme: dark) {
  body {
    background: linear-gradient(135deg, #0f172a, #1e293b);
  }
}

/* 性能优化 */
.optimized-rendering {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

/* 自定义光标效果 */
.cursor-custom {
  cursor: pointer;
}

.cursor-custom:hover {
  cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='10' fill='none' stroke='%2306b6d4' stroke-width='2'/%3E%3C/svg%3E"), auto;
}