/* 06-glass-portfolio — 李慕晨 · 产品设计师 */

:root {
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.25);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.75);
  --accent: #6366F1;
  --accent-hover: #818CF8;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  min-height: 100vh;
  color: var(--text-primary);
}

/* Gradient background */
.gradient-bg {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
  min-height: 100vh;
}
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@media (prefers-reduced-motion: reduce) {
  .gradient-bg { animation: none; background-position: 0% 50%; }
}

/* Glass card */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 1.25rem;
  box-shadow: var(--glass-shadow);
}

.glass-strong {
  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 1.25rem;
  box-shadow: var(--glass-shadow);
}

.glass:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.35);
}

/* Nav */
.nav-link {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  color: var(--text-secondary);
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}
.nav-link.active {
  background: rgba(255, 255, 255, 0.25);
  color: var(--text-primary);
  font-weight: 600;
}
.nav-link:focus-visible {
  outline: 2px solid white;
  outline-offset: 2px;
}

/* Buttons */
.btn-glass {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: rgba(255, 255, 255, 0.95);
  color: #4F46E5;
  border-radius: 9999px;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn-glass:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.btn-glass:focus-visible {
  outline: 2px solid white;
  outline-offset: 3px;
}

.btn-glass-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  background: transparent;
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 9999px;
  font-weight: 600;
  transition: background 0.2s;
}
.btn-glass-outline:hover {
  background: rgba(255, 255, 255, 0.15);
}
.btn-glass-outline:focus-visible {
  outline: 2px solid white;
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .btn-glass:hover { transform: none; }
}

/* Project card */
.project-glass {
  overflow: hidden;
  transition: transform 0.3s ease;
}
.project-glass:hover {
  transform: translateY(-4px);
}
@media (prefers-reduced-motion: reduce) {
  .project-glass:hover { transform: none; }
}

.project-thumb {
  aspect-ratio: 16/10;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

/* Form */
.form-glass {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 0.75rem;
  color: white;
  transition: border-color 0.2s, background 0.2s;
}
.form-glass::placeholder {
  color: rgba(255, 255, 255, 0.45);
}
.form-glass:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.15);
}

/* Tag */
.tag-glass {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Timeline */
.timeline-glass {
  position: relative;
  padding-left: 2rem;
}
.timeline-glass::before {
  content: '';
  position: absolute;
  left: 0.375rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.2);
}
.timeline-dot-glass {
  position: absolute;
  left: 0;
  top: 0.375rem;
  width: 0.875rem;
  height: 0.875rem;
  border-radius: 50%;
  background: white;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
}

/* Stats */
.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1;
}

/* Floating orbs decoration */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.4;
  pointer-events: none;
}

/* Skill bar */
.skill-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 9999px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, rgba(255,255,255,0.6), white);
  border-radius: 9999px;
}