/* CSS Custom Properties for Theme Management */
:root {
  /* Light Mode Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --text-muted: #adb5bd;
  --border-color: #dee2e6;
  --accent-color: #000000;
  --accent-hover: #333333;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-hover: rgba(0, 0, 0, 0.2);

  /* Typography */
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Hero Specifics - OPTIMIZED */
  --hero-title-size: 3.8rem;
  /* Scaled back from 4.5rem for better flow */
  --hero-sub-size: 1.25rem;
}

/* Dark Mode Colors */
[data-theme="dark"] {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --border-color: #30363d;
  --accent-color: #ffffff;
  --accent-hover: #e6e6e6;
  --shadow: rgba(0, 0, 0, 0.3);
  --shadow-hover: rgba(0, 0, 0, 0.5);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color var(--transition-normal),
    color var(--transition-normal);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--accent-color);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-2xl);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-normal);
  position: relative;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
}

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

.nav-link.active {
  color: var(--accent-color);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent-color);
  border-radius: 1px;
}

.theme-toggle {
  background: none;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--font-size-lg);
  transition: all var(--transition-normal);
  color: var(--text-primary);
}

.theme-toggle:hover {
  border-color: var(--accent-color);
  background-color: var(--bg-secondary);
  transform: scale(1.1);
}

.theme-icon {
  font-size: var(--font-size-lg);
}

/* Hero Section */
.hero {
  min-height: 70vh;
  width: 100%;
  display: flex;
  align-items: stretch;
  padding-top: 100px;
  padding-bottom: var(--spacing-2xl);
  background: var(--bg-primary);
}

.hero-container {
  max-width: 100%;
  margin: 0;
  padding: var(--spacing-xl) var(--spacing-lg);
  width: 100%;
  display: grid;
  grid-template-columns: 9fr 11fr;
  gap: var(--spacing-xl);
  align-items: start;
}

/* Hero Images Grid - 3 images side by side, taking up all space */
.hero-images-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  width: 100%;
  height: 100%;
}

.hero-image-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  width: 100%;
  height: 100%;
}

.hero-agent-image {
  width: 100%;
  height: 100%;
  min-height: 70vh;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hero-agent-image:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.hero-image-item {
  cursor: pointer;
  transition: transform var(--transition-normal);
}

.hero-image-item:hover {
  transform: translateY(-5px);
}

.hero-agent-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin: 0;
}

/* Hero Text Content on the Right */
.hero-text-content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 100%;
}

.hero-text-content .headline-stack {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

/* ========================================
   HERO SECTION - GRANULAR FONT CONTROLS 1st Dec 2025
   ======================================== */

/* Remove bullet points from all headline lists */
.headline-en-title,
.headline-zh-title,
.headline-en-sub,
.headline-zh-sub {
  list-style: none;
  padding-left: 0;
}

/* English Title - Main Heading */
.headline-en-title li {
  font-size: 25px;
  /* This property controls the font size */
  font-weight: 700;
  line-height: 1.1;
  margin-top: 40px;
  /* Increased gap from the top */
  margin-bottom: 8px;
}

/* English Subheading - Body Text */
.headline-en-sub li {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.1;
  margin-bottom: 10px;
  /* 1rem = 16px */
}

/* Chinese Title - Main Heading */
.headline-zh-title li {
  font-size: 22px;
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: 8px;
}

/* Chinese Subheading - Body Text */
.headline-zh-sub li {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.7;
  margin-bottom: 16px;
  /* 1rem = 16px */
}

/* Bright white highlight for key tagline */
.headline-en-sub li strong.highlight {
  color: #ffffff;
  font-weight: 600;
}



.btn {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  border-color: var(--accent-color);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.btn-secondary:hover {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

/* Slideshow */
.hero-slideshow {
  position: relative;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.slideshow-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  /* Standard widescreen, works better on laptops */
  height: auto;
  max-height: 500px;
  /* Reasonable height for laptop screens */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px #0000001a;
}

/* make hero images fill, centered */
.slide-image {
  width: 100%;
  height: 100%;
  display: block;
  /* removes baseline gap */
  object-fit: cover;
  /* fill and crop */
  object-position: center;
  /* center the crop */
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.slide.active {
  opacity: 1;
}

.slide-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  border: 2px dashed var(--border-color);
}

.slideshow-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}

.slide-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.slide-btn:hover {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  transform: scale(1.1);
}

.theme-icon {
  font-size: var(--font-size-lg);
}

/* Hero Section */
.hero {
  min-height: 70vh;
  width: 100%;
  display: flex;
  align-items: stretch;
  padding-top: 100px;
  padding-bottom: var(--spacing-2xl);
  background: var(--bg-primary);
}


.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  text-align: center;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.headline-en-title,
.headline-zh-title {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.1;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  border-color: var(--accent-color);
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.btn-secondary:hover {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

/* Slideshow */
.hero-slideshow {
  position: relative;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.slideshow-container {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  height: auto;
  max-height: 1000px;
  /* Increased from 800px for more vertical space */
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px #0000001a;
  /* hex alpha (rgba(0,0,0,0.10)) */
}

/* make hero images fill, centered */
.slide-image {
  width: 100%;
  height: 100%;
  display: block;
  /* removes baseline gap */
  object-fit: cover;
  /* fill and crop */
  object-position: center;
  /* center the crop */
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.slide.active {
  opacity: 1;
}

.slide-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  border: 2px dashed var(--border-color);
}

.slideshow-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-lg);
}

.slide-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.slide-btn:hover {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  transform: scale(1.1);
}

.slide-indicators {
  display: flex;
  gap: var(--spacing-sm);
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--border-color);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.indicator.active {
  background-color: var(--accent-color);
}

/* Section Styles */
.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-3xl);
  color: var(--text-primary);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--accent-color);
}

/* Experience Timeline */
.experience {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-3xl);
  padding-left: 80px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--accent-color);
  border: 4px solid var(--bg-secondary);
}

.timeline-date {
  position: absolute;
  left: -120px;
  top: 0;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.timeline-content {
  background-color: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: 12px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal);
}

.timeline-content:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--shadow-hover);
}

.timeline-company {
  margin-bottom: var(--spacing-sm);
}

.timeline-company a {
  color: var(--accent-color);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.timeline-company a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.timeline-role {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.timeline-description {
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.timeline-impact {
  color: var(--text-secondary);
  font-style: italic;
  padding: var(--spacing-md);
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border-left: 4px solid var(--accent-color);
}

/* Grid Sections */
.projects,
.community {
  padding: var(--spacing-3xl) 0;
}

.projects {
  background-color: var(--bg-primary);
}

.community {
  background-color: var(--bg-secondary);
}

.projects-grid,
.community-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 900px;
  margin: 0 auto;
}

.project-tile,
.community-tile {
  aspect-ratio: 1;
  background-color: var(--bg-tertiary);
  border-radius: 12px;
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  opacity: 0.6;
  filter: grayscale(100%);
  position: relative;
  overflow: hidden;
  border: 2px solid transparent;
}

.project-tile::before,
.community-tile::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, var(--accent-color) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.project-tile:hover,
.community-tile:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: translateY(-10px) scale(1.05);
  box-shadow: 0 20px 40px var(--shadow-hover);
  border-color: var(--accent-color);
}

.project-tile:hover::before,
.community-tile:hover::before {
  opacity: 0.1;
}

.project-content,
.community-content {
  position: relative;
  z-index: 2;
}

.project-content h3,
.community-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.project-content p,
.community-content p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Responsive Design for Grids */
@media (max-width: 768px) {

  .projects-grid,
  .community-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .project-tile,
  .community-tile {
    aspect-ratio: auto;
    min-height: 150px;
  }
}

@media (max-width: 1024px) and (min-width: 769px) {

  .projects-grid,
  .community-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .hero-images-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .hero-image-item:last-child {
    grid-column: 1 / -1;
  }

  .hero-agent-image {
    min-height: 60vh;
  }

  .hero-text-content {
    padding: var(--spacing-lg);
  }
}

/* Gallery Overlay */
.gallery-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #000000e6;
  /* rgba(0, 0, 0, 0.9) */
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.gallery-overlay.active {
  display: flex;
}

.gallery-container {
  background-color: var(--bg-primary);
  border-radius: 12px;
  padding: var(--spacing-2xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px #00000080;
  /* rgba(0, 0, 0, 0.5) */
}

.gallery-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: var(--font-size-3xl);
  color: var(--text-primary);
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.gallery-close:hover {
  background-color: var(--bg-secondary);
}

.gallery-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xl);
  color: var(--text-primary);
  text-align: center;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.gallery-upload,
.gallery-youtube {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  align-items: center;
  justify-content: center;
}

.upload-btn,
.youtube-btn {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--accent-color);
  color: var(--bg-primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.upload-btn:hover,
.youtube-btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
}

#imageUpload {
  display: none;
}

#youtubeUrl {
  padding: var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  min-width: 300px;
}

/* Footer */
.footer {
  background-color: var(--bg-tertiary);
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero-container {
    grid-template-columns: 1fr;
    padding: var(--spacing-lg) var(--spacing-md);
    gap: var(--spacing-lg);
  }

  .hero-images-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .hero-agent-image {
    min-height: 50vh;
  }

  .hero-text-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-subtitle {
    font-size: var(--font-size-lg);
  }

  .hero-cta {
    justify-content: center;
    flex-wrap: wrap;
  }

  .timeline-date {
    position: static;
    margin-bottom: var(--spacing-sm);
  }

  .timeline-item {
    padding-left: 40px;
  }

  .timeline::before {
    left: 15px;
  }

  .timeline-item::before {
    left: 6px;
  }

  .grid-3x3 {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .gallery-container {
    margin: var(--spacing-lg);
    padding: var(--spacing-lg);
  }

  .gallery-upload,
  .gallery-youtube {
    flex-direction: column;
  }

  #youtubeUrl {
    min-width: auto;
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .nav-container {
    padding: 0 var(--spacing-md);
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .section-title {
    font-size: var(--font-size-3xl);
  }

  .timeline-content {
    padding: var(--spacing-lg);
  }

  .grid-item {
    padding: var(--spacing-lg);
  }
}

/* Social Media Icons Section */
.social-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
}

.social-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--bg-secondary);
  border: 2px solid var(--border-color);
  color: var(--text-muted);
  text-decoration: none;
  transition: all var(--transition-normal);
  opacity: 0.6;
  filter: grayscale(100%);
  position: relative;
  overflow: hidden;
}

.social-icon::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, var(--accent-color) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.social-icon svg {
  width: 24px;
  height: 24px;
  position: relative;
  z-index: 1;
  transition: all var(--transition-normal);
}

.social-icon:hover {
  opacity: 1;
  filter: grayscale(0%);
  color: var(--accent-color);
  border-color: var(--accent-color);
  background-color: var(--bg-primary);
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 8px 25px var(--shadow-hover);
}

.social-icon:hover::before {
  opacity: 0.1;
}

.social-icon:hover svg {
  transform: scale(1.1);
}

/* Social icon specific colors on hover */
.social-icon[aria-label="LinkedIn"]:hover {
  color: #0077b5;
  border-color: #0077b5;
}

.social-icon[aria-label="Medium"]:hover {
  color: #00ab6c;
  border-color: #00ab6c;
}

.social-icon[aria-label="GitHub"]:hover {
  color: var(--accent-color);
  border-color: var(--accent-color);
}

.social-icon[aria-label="Instagram"]:hover {
  color: #e4405f;
  border-color: #e4405f;
}

.social-icon[aria-label="YouTube"]:hover {
  color: #ff0000;
  border-color: #ff0000;
}

/* Contact Form Styles */
.contact {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-secondary);
}

.contact-form {
  max-width: 800px;
  margin: 0 auto;
  background-color: var(--bg-primary);
  padding: var(--spacing-2xl);
  border-radius: 12px;
  box-shadow: 0 8px 30px var(--shadow);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  position: relative;
}

.form-group label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 3px #0000001a;
  /* rgba(0,0,0,0.1) */
}

.form-group input.error,
.form-group textarea.error {
  border-color: #dc3545;
  background-color: #dc35450d;
  /* rgba(220,53,69,0.05) */
}

.form-group input.valid,
.form-group textarea.valid {
  border-color: #28a745;
  background-color: #28a7450d;
  /* rgba(40,167,69,0.05) */
}

.error-message {
  color: #dc3545;
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-xs);
  min-height: 16px;
  display: block;
}

.char-counter,
.character-count {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-align: right;
  margin-top: var(--spacing-xs);
}

.form-security {
  margin: var(--spacing-xl) 0;
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.security-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.security-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-color);
}

.security-check label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  cursor: pointer;
}

.submit-btn {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-xl);
  background-color: var(--bg-tertiary);
  color: var(--text-muted);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: var(--font-size-lg);
  font-weight: 600;
  cursor: not-allowed;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.submit-btn:enabled {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  border-color: var(--accent-color);
  cursor: pointer;
}

.submit-btn:enabled:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-hover);
}

.submit-btn:disabled {
  opacity: 0.6;
  filter: grayscale(100%);
}

.btn-loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Responsive adjustments for contact form */
@media (max-width: 768px) {
  .social-icons {
    gap: var(--spacing-lg);
  }

  .social-icon {
    width: 45px;
    height: 45px;
  }

  .social-icon svg {
    width: 20px;
    height: 20px;
  }

  .contact-form {
    padding: var(--spacing-lg);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .social-icons {
    gap: var(--spacing-md);
  }

  .social-icon {
    width: 40px;
    height: 40px;
  }

  .social-icon svg {
    width: 18px;
    height: 18px;
  }
}

/* Company Header Styles */
.company-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.company-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 6px;
  background: var(--bg-secondary);
  padding: 3px;
  transition: all 0.3s ease;
}

.company-logo:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px #0000001a;
  /* rgba(0,0,0,0.1) */
}

/* Honors & Awards Section */
.honors-awards {
  padding: 5rem 0;
  background: var(--bg-primary);
}

.awards-showcase {
  margin-top: 2.5rem;
}

.awards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.award-item {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 2rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.award-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: var(--accent-color);
}

.award-header {
  margin-bottom: 1.5rem;
}

.award-header h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.award-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.9rem;
}

.award-issuer {
  color: var(--text-secondary);
  font-weight: 500;
}

.award-date {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.award-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.award-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.award-image-container {
  margin-top: auto;
}

.award-image-wrapper {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.award-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

/* LandyCoo image size constraint - 800x550px max */
.award-image-landycoo {
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.award-image-landycoo .award-image {
  max-width: 800px;
  max-height: 550px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.award-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.award-link:hover .award-image {
  transform: scale(1.02);
}

.award-link-icon {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.award-link:hover .award-link-icon {
  opacity: 1;
}

.award-image-placeholder {
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.award-images-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.award-images-grid .award-image-wrapper {
  height: 100%;
  min-height: 250px;
  display: flex;
  align-items: stretch;
}

.award-images-grid .award-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Dark mode adjustments for awards */
[data-theme="dark"] .award-item {
  background: var(--bg-secondary);
  border-color: #333333;
}

[data-theme="dark"] .award-item:hover {
  border-color: var(--accent-color);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .award-link-icon {
  background: rgba(255, 255, 255, 0.9);
  color: #000;
}

/* Responsive Design for Awards Section */
@media (max-width: 768px) {
  .awards-grid {
    gap: 1.5rem;
  }

  .award-item {
    padding: 1.5rem;
  }

  .award-header h3 {
    font-size: 1.1rem;
  }

  .award-description {
    font-size: 0.9rem;
  }

  .award-images-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .honors-awards {
    padding: 3rem 0;
  }

  .award-item {
    padding: 1.25rem;
  }

  .award-header h3 {
    font-size: 1rem;
  }

  .award-description {
    font-size: 0.85rem;
    margin-bottom: 1rem;
  }
}

/* Supply Chain Experience Showcase Styles */
.supply-chain-experience {
  padding: 5rem 0;
  background: var(--bg-primary);
}

.experience-showcase {
  margin-top: 2.5rem;
}

.showcase-grid-2x2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.showcase-item {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  min-height: 280px;
  display: flex;
  flex-direction: column;
}

.showcase-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px #0000001a;
  /* rgba(0,0,0,0.1) */
  border-color: var(--accent-color);
}

.showcase-item .company-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.showcase-logo {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: 6px;
  background: var(--bg-primary);
  padding: 4px;
}

.showcase-item h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.showcase-item h4 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-color);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.achievement-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.achievement-summary {
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  flex: 1;
}

.key-metrics {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: auto;
}

.metric {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  min-width: 60px;
}

.metric-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-color);
  display: block;
  line-height: 1.2;
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-top: 0.25rem;
  line-height: 1.2;
}

/* Dark mode adjustments for metric labels */
[data-theme="dark"] .metric-label {
  color: var(--text-muted);
}

[data-theme="light"] .metric-label {
  color: var(--text-muted);
}

.transformation-summary {
  background: var(--bg-secondary);
  border-radius: 10px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  max-width: 1000px;
  margin: 0 auto;
}

.transformation-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-align: center;
}

.transformation-content p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: 1rem;
}

.core-competencies {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.competency {
  background: var(--accent-color);
  color: var(--bg-primary);
  padding: 0.4rem 0.8rem;
  border-radius: 16px;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.competency:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-hover);
}

/* Dark mode specific adjustments for competencies */
[data-theme="dark"] .competency {
  background: var(--accent-color);
  color: var(--bg-primary);
}

[data-theme="light"] .competency {
  background: var(--accent-color);
  color: var(--bg-primary);
}

/* Responsive Design for Supply Chain Section */
@media (max-width: 1024px) {
  .showcase-grid-2x2 {
    max-width: 900px;
    gap: 1.25rem;
  }

  .showcase-item {
    padding: 1.25rem;
    min-height: 260px;
  }

  .showcase-item h3 {
    font-size: 1.1rem;
  }

  .showcase-item h4 {
    font-size: 0.95rem;
  }

  .achievement-summary {
    font-size: 0.85rem;
  }
}

@media (max-width: 768px) {
  .showcase-grid-2x2 {
    grid-template-columns: 1fr;
    gap: 1rem;
    max-width: 100%;
  }

  .showcase-item {
    padding: 1rem;
    min-height: auto;
  }

  .showcase-item h3 {
    font-size: 1rem;
  }

  .showcase-item h4 {
    font-size: 0.9rem;
  }

  .achievement-summary {
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
  }

  .key-metrics {
    gap: 0.75rem;
    justify-content: center;
  }

  .metric-value {
    font-size: 1.1rem;
  }

  .metric-label {
    font-size: 0.65rem;
  }

  .transformation-summary {
    padding: 1.5rem;
  }

  .transformation-content h3 {
    font-size: 1.3rem;
  }

  .transformation-content p {
    font-size: 0.9rem;
  }

  .core-competencies {
    gap: 0.4rem;
  }

  .competency {
    font-size: 0.75rem;
    padding: 0.3rem 0.6rem;
  }
}

@media (max-width: 480px) {
  .supply-chain-experience {
    padding: 3rem 0;
  }

  .showcase-item {
    padding: 0.75rem;
  }

  .showcase-logo {
    width: 28px;
    height: 28px;
  }

  .company-header {
    gap: 0.5rem;
    margin-bottom: 0.75rem;
  }

  .showcase-item h3 {
    font-size: 0.9rem;
  }

  .showcase-item h4 {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
  }

  .achievement-summary {
    font-size: 0.75rem;
    line-height: 1.4;
  }

  .key-metrics {
    gap: 0.5rem;
  }

  .metric-value {
    font-size: 1rem;
  }

  .metric-label {
    font-size: 0.6rem;
  }

  .transformation-summary {
    padding: 1rem;
  }

  .transformation-content h3 {
    font-size: 1.1rem;
  }

  .transformation-content p {
    font-size: 0.8rem;
    line-height: 1.5;
  }
}

/* Dark mode adjustments for new sections */
[data-theme="dark"] .showcase-item {
  background: var(--bg-secondary);
  border-color: #333333;
}

[data-theme="dark"] .showcase-item:hover {
  border-color: var(--accent-color);
  box-shadow: 0 8px 25px #ffffff0d;
  /* rgba(255,255,255,0.05) */
}

[data-theme="dark"] .transformation-summary {
  background: var(--bg-secondary);
  border-color: #333333;
}

[data-theme="dark"] .company-logo,
[data-theme="dark"] .showcase-logo {
  background: var(--bg-primary);
  border: 1px solid #333333;
}

/* Timeline Period Styles */
.timeline-period {
  font-size: 0.85rem;
  color: var(--text-secondary);
  background-color: var(--bg-tertiary);
  padding: 4px 8px;
  border-radius: 12px;
  margin-left: auto;
  white-space: nowrap;
}

/* Business Impact Styles */
.business-impact {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-sm);
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border-left: 3px solid var(--accent-color);
}

/* Updated Company Header for Supply Chain Section */
.showcase-item .company-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Responsive adjustments for timeline periods */
@media (max-width: 768px) {
  .showcase-item .company-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .timeline-period {
    margin-left: 0;
    align-self: flex-start;
  }
}

/* Gallery Carousel Styles */
.gallery {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-primary);
}

.carousel-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.carousel-wrapper {
  flex: 1;
  overflow: hidden;
  border-radius: 16px;
  box-shadow: 0 8px 30px var(--shadow);
  position: relative;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
  width: 100%;
}

.carousel-slide {
  min-width: 100%;
  flex-shrink: 0;
  position: relative;
  background-color: var(--bg-secondary);
}

.carousel-image {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
}

.image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, #000000cc);
  /* rgba(0,0,0,0.8) */
  color: #ffffff;
  padding: var(--spacing-xl);
  text-align: center;
}

.image-caption h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: #ffffff;
}

.image-caption p {
  font-size: var(--font-size-md);
  color: #ffffffe6;
  /* rgba(255,255,255,0.9) */
  line-height: 1.5;
}

.carousel-btn {
  background-color: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--text-secondary);
  box-shadow: 0 4px 15px var(--shadow);
  z-index: 10;
  flex-shrink: 0;
}

.carousel-btn:hover {
  background-color: var(--accent-color);
  border-color: var(--accent-color);
  color: #ffffff;
  transform: scale(1.1);
  box-shadow: 0 6px 20px var(--shadow-hover);
}

.carousel-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.carousel-btn:disabled:hover {
  background-color: var(--bg-primary);
  border-color: var(--border-color);
  color: var(--text-secondary);
  transform: none;
}

.carousel-btn svg {
  width: 24px;
  height: 24px;
}

.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background-color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-normal);
  opacity: 0.5;
}

.indicator.active {
  background-color: var(--accent-color);
  opacity: 1;
  transform: scale(1.2);
}

.indicator:hover {
  opacity: 0.8;
  transform: scale(1.1);
}

.upload-instructions {
  text-align: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: 8px;
  border-left: 4px solid var(--accent-color);
}

.upload-instructions p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

.upload-instructions code {
  background-color: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Courier New", monospace;
  color: var(--accent-color);
}

/* Responsive Design for Gallery */
@media (max-width: 1024px) {
  .carousel-container {
    gap: var(--spacing-md);
  }

  .carousel-image {
    height: 400px;
  }
}

@media (max-width: 768px) {
  .carousel-container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 20;
  }

  .carousel-btn-prev {
    left: 10px;
  }

  .carousel-btn-next {
    right: 10px;
  }

  .carousel-btn svg {
    width: 20px;
    height: 20px;
  }

  .carousel-image {
    height: 300px;
  }

  .image-caption {
    padding: var(--spacing-lg);
  }

  .image-caption h3 {
    font-size: var(--font-size-lg);
  }

  .image-caption p {
    font-size: var(--font-size-sm);
  }
}

@media (max-width: 480px) {
  .carousel-image {
    height: 250px;
  }

  .image-caption {
    padding: var(--spacing-md);
  }

  .carousel-btn {
    width: 35px;
    height: 35px;
  }

  .carousel-btn svg {
    width: 18px;
    height: 18px;
  }

  .image-caption h3 {
    font-size: var(--font-size-md);
  }

  .image-caption p {
    font-size: 0.8rem;
  }
}

:root {
  --hero-title-size: clamp(10px, 2.4vw + 13px, 38px);
  --hero-sub-size: clamp(16px, 0.7vw + 9px, 18px);
}

.headline-stack {
  display: grid;
  gap: var(--spacing-md);
}

/* English / Chinese title lines */
.headline-en-title,
.headline-zh-title {
  font-weight: 600;
  line-height: 1.25;
  font-size: var(--hero-title-size);
  color: var(--text-primary);
  letter-spacing: -0.01em;
  margin: 0;
}

/* Shared list base */
.headline-en-sub,
.headline-zh-sub {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  /* Increased from 4px to let text breathe */
  max-width: 65ch;
}

/* EN sub-points */
/* EN sub-points */
.headline-en-sub li {
  font-size: var(--hero-sub-size);
  line-height: 1.4;
  /* Increased line height for paragraph text */
  color: var(--text-secondary);
  font-weight: 350;
  letter-spacing: 0.005em;
  margin-bottom: 4px;
  /* Add subtle spacing between items */
}

/* Removed alternating indentation to fix layout alignment */


/* Chinese headline is a touch smaller than EN via content, not a calc() */
.headline-zh-title {
  margin-top: var(--spacing-xl);
  /* Increased from md for better separation */
  margin-bottom: var(--spacing-sm);
}

/* 中文子项 */
.headline-zh-sub li {
  font-size: var(--hero-sub-size);
  line-height: 1.25;
  color: var(--text-secondary);
  font-weight: 350;
  letter-spacing: 0.01em;
}

/* Mobile refinements keep px/hex-compatible clamps */
@media (max-width: 768px) {
  :root {
    --hero-title-size: clamp(22px, 5vw + 8px, 30px);
    --hero-sub-size: clamp(14px, 3.8vw + 6px, 16px);
  }

  .headline-stack {
    gap: var(--spacing-sm);
  }
}

.hero .button,
.hero .btn,
.hero .cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-block: 7px !important;
  /* px height control */
  padding-inline: 16px;
  line-height: 1.2;
  min-height: auto;
}

/* Agents Page Styles */
.agents-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.agent-card {
  background-color: var(--bg-secondary);
  border-radius: 16px;
  padding: var(--spacing-2xl);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  width: 100%;
}

.agent-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px var(--shadow-hover);
  border-color: var(--accent-color);
}

.agent-image-container {
  margin-bottom: var(--spacing-xl);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-normal);
}

.agent-card:hover .agent-image-container {
  transform: scale(1.02);
}

.agent-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.agent-description {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.agent-features ul {
  list-style: none;
  padding: 0;
  color: var(--text-secondary);
}

.agent-features li {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-lg);
  position: relative;
}

.agent-features li span {
  position: absolute;
  left: 0;
}

/* Responsive Design for Agents Page */
@media (max-width: 1024px) {
  .agents-grid,
  .agents-images-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--spacing-xl) !important;
  }

  .agents-images-grid .agent-image-item:last-child {
    grid-column: 1 / -1;
  }

  .agents-images-grid .agent-image-item > div {
    height: 600px !important;
  }
}

@media (max-width: 768px) {
  .agents-grid,
  .agents-images-grid {
    grid-template-columns: 1fr !important;
    gap: var(--spacing-lg) !important;
  }

  .agent-card {
    padding: var(--spacing-xl);
  }

  .agent-image-container img,
  .agents-images-grid .hero-agent-image {
    min-height: 50vh !important;
  }

  .agents-images-grid .agent-image-item > div {
    height: 500px !important;
  }
}

/* Agent CTA Button Styles */
.agent-cta-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.agent-cta-btn:hover {
  background-color: var(--accent-color);
  color: var(--bg-primary);
  border-color: var(--accent-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow-hover);
}

.agent-cta-btn:active {
  transform: translateY(0);
}