@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;700&family=Noto+Serif+TC:wght@400;600;700&display=swap');

:root {
  --primary-color: #1A365D; /* Navy Blue */
  --secondary-color: #C5A880; /* Elegant Gold */
  --bg-color: #F8F9FA;
  --bg-dark: #12223A;
  --text-color: #333333;
  --text-light: #666666;
  --white: #FFFFFF;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

body {
  font-family: 'Noto Sans TC', sans-serif;
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Noto Serif TC', serif;
  color: var(--primary-color);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 5%;
}

/* Typography */
.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--secondary-color);
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-family: 'Noto Serif TC', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  font-weight: 500;
  color: var(--primary-color);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  bottom: -5px;
  left: 0;
  transition: var(--transition);
}

.nav-links a:hover::after, .nav-links a.active::after {
  width: 100%;
}

.hamburger {
  display: none;
  cursor: pointer;
}

.bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  transition: var(--transition);
  background-color: var(--primary-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 4px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  font-size: 1rem;
}

.btn-primary {
  background-color: var(--secondary-color);
  color: var(--white);
  box-shadow: 0 4px 6px rgba(197, 168, 128, 0.3);
}

.btn-primary:hover {
  background-color: #b39770;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(197, 168, 128, 0.4);
}

.btn-outline {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}

.btn-outline:hover {
  background-color: var(--white);
  color: var(--primary-color);
}

/* Hero Section */
.hero {
  height: 100vh;
  min-height: 600px;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-color) 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: left;
  max-width: 800px;
}

.hero-subtitle {
  color: var(--secondary-color);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 1rem;
  display: block;
}

.hero-title {
  color: var(--white);
  font-size: 4rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.hero-desc {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
}

/* Section Layouts */
section {
  padding: 6rem 0;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
  font-size: 1.1rem;
}

.about-image-wrapper {
  position: relative;
}

.about-image-placeholder {
  width: 100%;
  padding-bottom: 120%;
  background-color: #e0e0e0;
  background-image: linear-gradient(45deg, #e0e0e0 25%, #d0d0d0 25%, #d0d0d0 50%, #e0e0e0 50%, #e0e0e0 75%, #d0d0d0 75%, #d0d0d0 100%);
  background-size: 20px 20px;
  border-radius: 8px;
  box-shadow: 20px 20px 0 var(--secondary-color);
}

/* Services */
.services-bg {
  background-color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-color);
  padding: 3rem 2rem;
  border-radius: 8px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  background: var(--white);
  border-color: var(--secondary-color);
}

.service-icon {
  font-size: 3rem;
  color: var(--secondary-color);
  margin-bottom: 1.5rem;
}

.service-card h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.service-card p {
  color: var(--text-light);
}

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

.timeline::after {
  content: '';
  position: absolute;
  width: 2px;
  background-color: var(--secondary-color);
  top: 0;
  bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-item {
  padding: 10px 40px;
  position: relative;
  background-color: inherit;
  width: 50%;
}

.timeline-item::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  right: -8px;
  background-color: var(--bg-color);
  border: 3px solid var(--secondary-color);
  top: 15px;
  border-radius: 50%;
  z-index: 1;
}

.left {
  left: 0;
}

.right {
  left: 50%;
}

.right::after {
  left: -8px;
}

.timeline-content {
  padding: 1.5rem;
  background-color: var(--white);
  position: relative;
  border-radius: 6px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.timeline-content h3 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

/* Articles */
.articles-bg {
  background-color: var(--bg-color);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.02);
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.article-image {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
}

.article-content {
  padding: 2.5rem 2rem;
}

.article-category {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--secondary-color);
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.article-content h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  line-height: 1.4;
  color: var(--primary-color);
}

.article-content p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  font-size: 1rem;
}

.article-link {
  color: var(--secondary-color);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.article-link:hover {
  color: #b39770;
}

/* Contact Overview */
.contact-cta {
  background: var(--primary-color);
  color: var(--white);
  text-align: center;
  padding: 5rem 0;
}

.contact-cta h2 {
  color: var(--white);
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
}

.contact-form-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--white);
  padding: 3rem;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--primary-color);
}

.form-control {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-family: inherit;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 2px rgba(197, 168, 128, 0.2);
}

/* Footer */
footer {
  background-color: var(--bg-dark);
  color: var(--white);
  padding: 3rem 0;
  text-align: center;
}

.footer-content p {
  color: rgba(255,255,255,0.6);
  margin-top: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }
  
  .hamburger.active .bar:nth-child(2) { opacity: 0; }
  .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  
  .nav-links {
    position: fixed;
    left: -100%;
    top: 80px;
    gap: 0;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 10px rgba(0,0,0,0.1);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .nav-links li {
    margin: 1rem 0;
  }
  
  .hero-title { font-size: 2.5rem; }
  
  .about-grid { grid-template-columns: 1fr; }
  
  .timeline::after { left: 31px; }
  .timeline-item { width: 100%; padding-left: 70px; padding-right: 25px; }
  .timeline-item::after { left: 23px; }
  .right { left: 0; }
  
  .hero-cta { flex-direction: column; }
}