/* Reset & Base */
:root {
  --primary-color: #d4af37; /* Gold */
  --secondary-color: #1a1a1a; /* Dark Grey/Black */
  --bg-dark: #0f0f0f;
  --bg-light: #f9f9f9;
  --text-light: #f0f0f0;
  --text-dark: #333333;
  --accent: #ffcc00;
  --font-heading: "Playfair Display", serif;
  --font-body: "Inter", sans-serif;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 50px;
  color: var(--secondary-color);
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 3px;
  background: var(--primary-color);
  margin: 15px auto 0;
}

.zh {
  display: block;
  font-size: 0.9em;
  opacity: 0.8;
  margin-top: 5px;
  font-weight: 400;
}

/* Header */
header {
  background-color: #000;
  color: #fff;
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 60px; /* Adjust based on logo aspect ratio */
  width: auto;
}

nav ul {
  display: flex;
  gap: 30px;
}

nav ul li a {
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.5px;
  position: relative;
}

nav ul li a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: -5px;
  left: 0;
  background-color: var(--primary-color);
  transition: var(--transition);
}

nav ul li a:hover::after {
  width: 100%;
}

nav ul li a:hover {
  color: var(--primary-color);
}

/* Hero Section */
#hero {
  height: 90vh;
  background: url("images/img01.jpeg") no-repeat center center/cover;
  position: relative;
  display: flex;
  align-items: center;
  color: #fff;
  text-align: center; /* Center initially, flexible */
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.65); /* Darken image */
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.hero-text h1 {
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  animation: fadeInDown 1s ease;
}

.hero-text .subtitle {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 30px;
  color: #e0e0e0;
}

.intro-text p {
  font-size: 1.1rem;
  margin-bottom: 15px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 30px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 30px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary-color);
  color: #000;
}

.btn-primary:hover {
  background-color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Features (Why Choose Us) */
.features-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}

.feature-card {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  transition: var(--transition);
  border: 1px solid #eee;
  flex: 0 1 calc(33.333% - 30px);
  min-width: 250px;
}

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

.feature-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.feature-card h3 {
  margin-bottom: 15px;
  font-size: 1.2rem;
  color: var(--secondary-color);
}

/* Services */
.bg-light {
  background-color: #f4f4f4;
}

.services-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.service-item {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.service-item:hover {
  transform: scale(1.05);
}

.service-icon {
  font-size: 2.5rem;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.service-info h3 {
  font-size: 1rem;
  margin-bottom: 5px;
}

/* Philosophy */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.philosophy-card {
  background: var(--secondary-color);
  color: #fff;
  padding: 40px;
  border-radius: 15px;
  position: relative;
  overflow: hidden;
}

.philosophy-card h3 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 10px;
}

.philosophy-card.vision {
  background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
}

.philosophy-card.mission {
  background: linear-gradient(135deg, #1a1a1a 0%, #222 100%);
}

.philosophy-card.values {
  background: linear-gradient(135deg, #1a1a1a 0%, #111 100%);
}

.philosophy-card ul li {
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.chip-container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  background: rgba(255, 255, 255, 0.1);
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid rgba(212, 175, 55, 0.3);
}

.zh-inline {
  display: block;
  color: #aaa;
  font-size: 0.85em;
  margin-top: 2px;
}

/* Projects */
.bg-dark {
  background-color: var(--secondary-color);
  color: #fff;
}

.text-gold {
  color: var(--primary-color);
}

.centered {
  text-align: center;
}

.project-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 40px;
  display: inline-block;
  border: 1px solid var(--primary-color);
  border-radius: 8px;
}

.project-card h3 {
  font-size: 2rem;
  margin-bottom: 10px;
}

.project-card p {
  font-size: 1.2rem;
  color: #ccc;
}

/* Partners */
.partners-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 50px;
}

.partners-grid img {
  height: 60px;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: var(--transition);
}

.partners-grid img:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.1);
}

/* Footer */
footer {
  background-color: #000;
  color: #fff;
  padding: 50px 0;
  text-align: center;
}

.footer-logo img {
  height: 50px;
  margin: 0 auto 20px;
}

.contact-info h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.contact-info a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Media Queries */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: 15px;
  }

  .hero-text h1 {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }
}

/* Animations */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}