/**
 * Jerry-KPI - public.css
 * 公開頁面樣式表（部落格、作品集、履歷、PSR 專案成效架構）
 * 遵循繁體中文排版與 Glassmorphism 毛玻璃視覺風格
 */

/* ==========================================================================
   1. 公開頁面專用導航列 (Public Navbar)
   ========================================================================== */
.public-navbar {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--navbar-height);
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  z-index: 1040;
  transition: all var(--transition-normal);
}

.public-navbar .container,
.public-navbar .container-fluid {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
}

.public-navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.public-navbar-brand .brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-light);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.25rem;
}

.public-nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.public-nav-item {
  display: inline-block;
}

.public-nav-link {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-normal);
}

.public-nav-link:hover {
  color: var(--primary);
  background: var(--hover-bg);
}

.public-nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

/* ==========================================================================
   2. 首頁主視覺區域 (Hero Section)
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
  overflow: hidden;
}

.hero-content {
  max-width: 860px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  background: var(--card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, #9c27b0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem;
  margin-top: 4rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   3. 部落格卡片 (Blog Cards)
   ========================================================================== */
.blog-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal),
              border-color var(--transition-normal);
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
  border-color: rgba(66, 133, 244, 0.35);
}

.blog-card-image {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
  background: rgba(0, 0, 0, 0.04);
}

.blog-card-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.blog-card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.blog-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.65rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-normal);
}

.blog-card:hover .blog-card-title {
  color: var(--primary);
}

.blog-card-excerpt {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--glass-border);
  font-size: 0.85rem;
}

.blog-card-link {
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition-fast);
}

.blog-card-link:hover {
  gap: 0.6rem;
}

/* ==========================================================================
   4. 作品集卡片 (Portfolio Cards & Hover Overlay)
   ========================================================================== */
.portfolio-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 60%;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.05);
}

.portfolio-image-wrapper img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-image-wrapper img {
  transform: scale(1.06);
}

/* 懸停覆蓋層 (Image Overlay on Hover) */
.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  padding: 1.5rem;
  z-index: 2;
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
  visibility: visible;
}

.portfolio-overlay-actions {
  display: flex;
  gap: 0.75rem;
}

.portfolio-overlay-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
  transition: transform var(--transition-fast);
}

.portfolio-overlay-btn:hover {
  transform: scale(1.05);
}

.portfolio-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.portfolio-card-category {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}

.portfolio-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.portfolio-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex: 1;
}

.portfolio-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

/* ==========================================================================
   5. 專案詳情頁面樣式 (Portfolio Detail Page)
   ========================================================================== */
.portfolio-detail {
  padding: 2.5rem 0;
}

.portfolio-detail-header {
  margin-bottom: 2.5rem;
}

.portfolio-detail-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  padding: 1.5rem;
  margin: 2rem 0;
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

.portfolio-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.portfolio-meta-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
}

.portfolio-meta-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.portfolio-detail-banner {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2.5rem;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.portfolio-detail-banner img {
  width: 100%;
  height: auto;
  display: block;
}

.portfolio-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.portfolio-gallery-item {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal);
}

.portfolio-gallery-item:hover {
  transform: scale(1.02);
}

.portfolio-gallery-item img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   6. PSR 成果架構 (Problem - Solution - Result Section)
   ========================================================================== */
.psr-section {
  padding: 3rem 0;
  margin: 2rem 0;
}

.psr-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem;
}

.psr-title {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.psr-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.psr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.psr-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  padding: 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.psr-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.12);
}

.psr-card-badge {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.psr-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.psr-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.psr-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.psr-list-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.psr-list-item i,
.psr-list-item svg {
  margin-top: 0.25rem;
  flex-shrink: 0;
}

/* 問題痛點 (Problem) */
.psr-card.psr-problem {
  border-top: 4px solid var(--danger);
}
.psr-card.psr-problem .psr-card-badge {
  background: var(--danger-light);
  color: var(--danger);
}
.psr-card.psr-problem .psr-card-title {
  color: var(--danger);
}

/* 解決方案 (Solution) */
.psr-card.psr-solution {
  border-top: 4px solid var(--primary);
}
.psr-card.psr-solution .psr-card-badge {
  background: var(--primary-light);
  color: var(--primary);
}
.psr-card.psr-solution .psr-card-title {
  color: var(--primary);
}

/* 成果效益 (Result) */
.psr-card.psr-result {
  border-top: 4px solid var(--success);
}
.psr-card.psr-result .psr-card-badge {
  background: var(--success-light);
  color: var(--success);
}
.psr-card.psr-result .psr-card-title {
  color: var(--success);
}

/* ==========================================================================
   7. 成效量化指標卡片 (Stat Highlight for Results)
   ========================================================================== */
.stat-highlight {
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  padding: 1.75rem;
  text-align: center;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-highlight:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.12);
}

.stat-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--success) 100%);
}

.stat-highlight-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 0.35rem;
  letter-spacing: -0.02em;
}

.stat-highlight-label {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.stat-highlight-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
}

/* ==========================================================================
   8. 履歷專區樣式 (Resume Sections)
   ========================================================================== */
.resume-section {
  padding: 3rem 0;
}

.resume-header-block {
  text-align: center;
  margin-bottom: 3rem;
}

.resume-timeline {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 2rem;
}

.resume-timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  background: var(--glass-border);
}

.resume-timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.resume-timeline-item:last-child {
  margin-bottom: 0;
}

.resume-timeline-dot {
  position: absolute;
  left: -2rem;
  top: 0.35rem;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--primary);
  border: 4px solid var(--card-bg);
  box-shadow: 0 0 0 2px var(--primary-light);
  z-index: 1;
}

.resume-item-card {
  background: var(--card-bg);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--glass-shadow);
  transition: transform var(--transition-normal);
}

.resume-item-card:hover {
  transform: translateX(4px);
}

.resume-item-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.resume-item-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.resume-item-date {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
}

.resume-item-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.resume-item-content {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.resume-item-content ul {
  padding-left: 1.25rem;
  margin: 0.5rem 0 0;
}

.resume-item-content li {
  margin-bottom: 0.35rem;
}

/* ==========================================================================
   9. 技能進度條 (Skill Bars for Resume)
   ========================================================================== */
.skill-group {
  margin-bottom: 2rem;
}

.skill-group-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-item {
  margin-bottom: 1.25rem;
}

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.skill-name {
  font-weight: 600;
  color: var(--text-primary);
}

.skill-percentage {
  font-weight: 700;
  color: var(--primary);
}

.skill-track {
  width: 100%;
  height: 8px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.skill-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--primary) 0%, #34a853 100%);
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   10. 技術標籤 (Technology Tags)
   ========================================================================== */
.tech-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: var(--primary-light);
  border-color: rgba(66, 133, 244, 0.4);
  color: var(--primary);
  transform: translateY(-1px);
}

.tech-tag i,
.tech-tag svg {
  font-size: 0.9rem;
}