:root {
  --primary-color: #10b981; /* Emerald Green */
  --secondary-color: #059669; /* Darker Green */
  --dark-color: #111827; /* Dark Slate / Almost Black */
  --light-bg: #f9fafb; /* Pure Light Gray */
  --white: #ffffff;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --spacing-sm: 0.5rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 3rem;
  --spacing-xl: 5rem;
}

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

body {
  font-family: var(--font-main);
  color: var(--dark-color);
  background-color: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header & Navigation */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  background-color: rgba(255, 255, 255, 0.98);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid #eaeaea;
  transition: all 0.3s ease;
}

.logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--dark-color);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.logo span {
  color: var(--primary-color);
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

nav a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  transition: color 0.3s ease;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.lang-switcher {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.lang-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.2rem;
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 0.8rem;
  color: #888;
  transition: all 0.2s ease;
  text-transform: uppercase;
}

.lang-btn:hover, .lang-btn.active {
  color: var(--dark-color);
}

.btn-primary {
  background-color: var(--dark-color);
  color: var(--white);
  padding: 0.85rem 2.5rem;
  text-decoration: none;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  display: inline-block;
  border: 1px solid var(--dark-color);
  cursor: pointer;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--white);
  padding: 0.85rem 2.5rem;
  text-decoration: none;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-size: 0.85rem;
  transition: all 0.3s ease;
  display: inline-block;
  border: 1px solid var(--white);
  cursor: pointer;
}

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

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background-color: #000;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.5;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 5%;
  text-align: center;
  color: var(--white);
  margin-top: 80px;
}

.hero-subtitle {
  text-transform: uppercase;
  letter-spacing: 4px;
  font-weight: 500;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
  display: block;
}

.hero h1 {
  font-size: 5rem;
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.hero p {
  font-size: 1.1rem;
  margin: 0 auto 3rem auto;
  max-width: 600px;
  font-weight: 300;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

/* Services Section */
.services {
  padding: 8rem 5%;
  background-color: var(--white);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 5rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
}

.service-card {
  padding: 3rem 2rem;
  background-color: var(--light-bg);
  transition: all 0.4s ease;
  border-bottom: 2px solid transparent;
  text-align: center;
}

.service-card:hover {
  transform: translateY(-5px);
  background-color: var(--white);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
  border-bottom-color: var(--primary-color);
}

.service-icon {
  font-size: 2rem;
  color: var(--dark-color);
  margin-bottom: 2rem;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.service-card p {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.8;
}

/* Featured Section */
.featured {
  padding: 0;
  background-color: var(--dark-color);
  color: var(--white);
  display: flex;
  align-items: stretch;
  min-height: 600px;
}

.featured-image {
  flex: 1;
  background-size: cover;
  background-position: center;
  min-height: 100%;
}

.featured-content {
  flex: 1;
  padding: 8rem 5%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-content h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.featured-content p {
  color: #bbb;
  margin-bottom: 3rem;
  font-size: 1.1rem;
  line-height: 1.8;
  font-weight: 300;
}

.featured .btn-outline {
  align-self: flex-start;
}

/* Footer */
footer {
  background-color: #111;
  color: rgba(255, 255, 255, 0.5);
  padding: 3rem 5%;
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 1px;
}

@media (max-width: 900px) {
  .hero h1 { font-size: 3.5rem; }
  .featured { flex-direction: column; }
  .featured-image { min-height: 400px; }
  nav ul { display: none; }
}