/* --- Global Variables --- */
:root {
  --primary-color: #0d294f; /* Dark Navy Blue */
  --secondary-color: #17427d; /* Lighter Blue */
  --accent-color: #2b6cb0; /* Highlight Blue */
  --text-dark: #333333;
  --text-light: #666666;
  --text-white: #ffffff;
  --bg-light: #f5f7fa;
  --bg-white: #ffffff;
  
  --font-family: 'Inter', sans-serif;
  --font-serif: 'Playfair Display', serif;
  --container-width: 1200px;
  --header-height: 80px;
}

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

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

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

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Header --- */
header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: all 0.3s ease;
}

header.scrolled {
  position: fixed;
  background-color: var(--bg-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header.scrolled nav a {
  color: var(--primary-color);
}

header.scrolled nav a:hover {
  opacity: 0.8;
}

header.scrolled .lang-selector {
  color: var(--primary-color);
}

header.scrolled .lang-selector svg path {
  stroke: var(--primary-color);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  height: 40px;
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

nav a {
  color: var(--text-white);
  font-weight: 500;
  font-size: 15px;
}

nav a:hover {
  opacity: 0.8;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.btn-contact {
  background-color: var(--secondary-color);
  color: var(--text-white);
  padding: 10px 20px;
  border-radius: 4px;
  font-weight: 500;
  transition: background-color 0.3s ease;
}

.btn-contact:hover {
  background-color: var(--accent-color);
}

.lang-selector {
  color: var(--text-white);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* --- Hero Slider --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.8s ease-in-out;
  background-size: cover;
  background-position: center;
}

.slide.active {
  opacity: 1;
}

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 15%, rgba(255,255,255,0) 30%);
}

.hero-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 50px;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.hero-subtitle {
  color: var(--accent-color);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-shadow: 
    0 0 5px rgba(255,255,255,1),
    0 0 15px rgba(255,255,255,1),
    0 0 25px rgba(255,255,255,0.9),
    0 0 40px rgba(255,255,255,0.8);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 1.1;
  margin-bottom: 30px;
  max-width: 600px;
  font-weight: 400;
  text-shadow: 
    0 0 10px rgba(255,255,255,1),
    0 0 20px rgba(255,255,255,1),
    0 0 40px rgba(255,255,255,1),
    0 0 60px rgba(255,255,255,0.9),
    0 0 90px rgba(255,255,255,0.8),
    0 0 120px rgba(255,255,255,0.7);
}

.hero-title strong {
  font-weight: 700;
}

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

.text-blue {
  color: var(--accent-color);
}

.hero-desc {
  color: var(--text-dark);
  font-size: 18px;
  max-width: 400px;
  margin-bottom: 40px;
  opacity: 0.9;
  text-shadow: 
    0 0 5px rgba(255,255,255,1),
    0 0 15px rgba(255,255,255,1),
    0 0 30px rgba(255,255,255,0.9),
    0 0 50px rgba(255,255,255,0.8);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--secondary-color);
  color: var(--text-white);
  padding: 15px 30px;
  border-radius: 4px;
  font-weight: 500;
  width: fit-content;
  transition: background-color 0.3s ease;
}

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

.slider-nav {
  position: absolute;
  bottom: 50px;
  right: 50px;
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--text-white);
  z-index: 10;
}

.slider-nav-line {
  width: 60px;
  height: 1px;
  background-color: rgba(255,255,255,0.5);
  position: relative;
}

.slider-nav-line::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 33%;
  background-color: var(--text-white);
}

.slider-btn {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-btn:hover {
  background-color: rgba(255,255,255,0.2);
}

/* --- Who We Are --- */
.who-we-are {
  padding: 100px 0;
  background-color: var(--bg-white);
}

.who-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: flex-start;
}

.who-text {
  max-width: 400px;
}

.section-subtitle {
  color: var(--secondary-color);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.section-subtitle::after {
  content: '';
  height: 1px;
  width: 40px;
  background-color: var(--secondary-color);
}

.who-title {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--primary-color);
  margin-bottom: 30px;
  font-weight: 400;
}

.who-desc {
  color: var(--text-light);
  margin-bottom: 40px;
  font-size: 16px;
}

.link-arrow {
  color: var(--secondary-color);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.link-arrow:hover {
  gap: 15px;
}

.who-stats-image {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.stats-grid {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #eee;
  padding-bottom: 30px;
}

.stat-item h3 {
  font-size: 40px;
  color: var(--primary-color);
  font-weight: 300;
  margin-bottom: 5px;
}

.stat-item p {
  color: var(--text-light);
  font-size: 14px;
}

.who-image {
  height: 300px;
  background-size: cover;
  background-position: center;
}

/* --- Our Business --- */
.our-business {
  padding: 100px 0;
  background-color: var(--primary-color);
  color: var(--text-white);
}

.business-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
}

.business-text .who-title {
  color: var(--text-white);
}

.business-text .section-subtitle, .business-text .link-arrow {
  color: var(--text-white);
}

.business-text .section-subtitle::after {
  background-color: var(--text-white);
}

.business-icons {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.b-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
  opacity: 0.7;
  transition: opacity 0.3s;
  cursor: pointer;
}

.b-icon-item:hover {
  opacity: 1;
}

.b-icon-item svg {
  width: 48px;
  height: 48px;
  fill: currentColor;
}

.b-icon-item span {
  font-size: 14px;
  font-weight: 300;
}

/* --- Our Projects --- */
.our-projects {
  padding: 100px 0;
  background-color: var(--bg-light);
}

.projects-header {
  margin-bottom: 50px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.project-card {
  position: relative;
  height: 400px;
  overflow: hidden;
  cursor: pointer;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.project-info {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
  color: var(--text-white);
}

.project-info h4 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 5px;
}

.project-info p {
  font-size: 14px;
  opacity: 0.8;
}

/* --- Investor Relations --- */
.investor-relations {
  padding: 100px 0;
  border-bottom: 1px solid #eee;
}

.investor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.investor-grid .who-title {
  font-size: 32px;
}

.stock-item {
  border-left: 1px solid #eee;
  padding-left: 30px;
}

.stock-item h5 {
  font-size: 14px;
  color: var(--text-light);
  font-weight: 400;
  margin-bottom: 10px;
}

.stock-item .price {
  font-size: 32px;
  color: var(--primary-color);
  font-weight: 300;
  margin-bottom: 5px;
}

.stock-item .change {
  color: #2e7d32;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 5px;
}

.stock-item .date {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 5px;
}

.download-profile {
  display: flex;
  flex-direction: column;
  gap: 15px;
  color: var(--primary-color);
}

.download-icon {
  width: 24px;
  height: 24px;
}

/* --- Footer --- */
footer {
  background-color: var(--primary-color);
  color: var(--text-white);
  padding: 50px 0 30px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-links {
  display: flex;
  gap: 30px;
}

.footer-links a {
  font-size: 14px;
  opacity: 0.8;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  opacity: 0.6;
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icons a {
  color: var(--text-white);
  opacity: 0.8;
}

.social-icons a:hover {
  opacity: 1;
}

/* Page Layout */
.page-header {
  height: 400px;
  background-color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-align: center;
}

.page-header h1 {
  font-size: 48px;
  font-weight: 300;
  margin-top: 80px;
}

.page-content {
  padding: 100px 0;
  min-height: 40vh;
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .who-content, .business-grid, .investor-grid {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  nav ul {
    display: none; /* simple mobile menu hidden for now */
  }
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 42px;
  }
}