:root {
  --primary: #1e293b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --bg-light: #f8fafc;
  --text-main: #334155;
  --text-muted: #64748b;
  --white: #ffffff;
  --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 12px;
}

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

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-light);
  line-height: 1.6;
}

/* Header / Nav */
header {
  background: var(--white);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
}

.logo-container img {
  height: 45px;
  width: auto;
}

.logo-text {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.5px;
}

/* Hamburger Menu Icon */
.hamburger {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary);
  cursor: pointer;
  padding: 8px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

nav a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 500;
  transition: color 0.2s;
}

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

.btn-lang {
  background: #e2e8f0;
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  color: var(--primary);
  transition: background 0.2s;
}

.btn-lang:hover {
  background: #cbd5e1;
}

/* Hero Section */
.hero {
  background: linear-gradient(rgba(30, 41, 59, 0.85), rgba(30, 41, 59, 0.85)), url('https://images.unsplash.com/photo-1434030216411-0b793f4b4173?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  color: var(--white);
  padding: 5rem 1.5rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 2rem;
}

.btn-primary {
  display: inline-block;
  background-color: var(--accent);
  color: var(--white);
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.2s;
  border: none;
  cursor: pointer;
}

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

.btn-submit {
  width: 100%;
}

/* Services Section */
.section {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-title h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.section-title p {
  color: var(--text-muted);
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-body {
  padding: 1.25rem;
}

.card-body h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

/* Contact Section */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-info h3 {
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 1rem;
}

.contact-info p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.contact-link {
  color: var(--accent);
  text-decoration: none;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.info-item i {
  font-size: 1.25rem;
  color: var(--accent);
  margin-top: 4px;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Footer */
footer {
  background: var(--primary);
  color: #94a3b8;
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 3rem;
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
  }

  nav.active {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
  }

  .btn-lang {
    width: 100%;
    padding: 10px;
  }

  .hero {
    padding: 4rem 1rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .btn-primary {
    width: 100%;
    text-align: center;
  }

  .contact-container {
    grid-template-columns: 1fr;
    padding: 1.5rem;
    gap: 2rem;
  }

  .section {
    padding: 3rem 1rem;
  }
}