/* Variabile globale de design (Light Mode - implicit) */
:root {
  --bg-color: #f4f4f7;
  --text-color: #333333;
  --bg-header: #003366;
  --text-header: #ffffff;
  --bg-nav: #0055a5;
  --hover-nav: #003366;
  --bg-card: #ffffff;
  --border-color: #e0e0e0;
  --accent-color: #0077cc;
  --box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  --glass-bg: rgba(255, 255, 255, 0.9);
}

/* Variabile pentru Dark Mode */
.dark-theme {
  --bg-color: #121212;
  --text-color: #e0e0e0;
  --bg-header: #1a1a2e;
  --text-header: #e0e0e0;
  --bg-nav: #162447;
  --hover-nav: #1f4068;
  --bg-card: #1e1e1e;
  --border-color: #333333;
  --accent-color: #00d2ff;
  --box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  --glass-bg: rgba(30, 30, 30, 0.9);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
}

/* Header */
header {
  background-color: var(--bg-header);
  color: var(--text-header);
  padding: 40px 20px;
  text-align: center;
  transition: background-color 0.3s;
}

header h1 {
  margin: 0 0 10px 0;
  font-size: 36px;
  font-weight: 700;
}

header p {
  margin: 0;
  font-size: 18px;
  opacity: 0.9;
}

/* Navigation */
nav {
  background-color: var(--bg-nav);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding: 15px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  transition: background-color 0.3s;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  padding: 8px 12px;
  border-radius: 4px;
  transition: background-color 0.3s, color 0.3s;
}

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

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropbtn {
  background-color: transparent;
  color: white;
  padding: 8px 12px;
  font-size: 16px;
  border: none;
  cursor: pointer;
  font-weight: bold;
  font-family: inherit;
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: 4px;
  transition: background-color 0.3s;
}

.dropbtn:hover {
  background-color: var(--hover-nav);
}

.arrow {
  border: solid white;
  border-width: 0 2px 2px 0;
  display: inline-block;
  padding: 3px;
  margin-bottom: 3px;
}

.down {
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--bg-nav);
  min-width: 200px;
  box-shadow: var(--box-shadow);
  z-index: 101;
  border-radius: 6px;
  top: 100%;
  left: 0;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.dropdown-content a {
  color: white;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
  border-radius: 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.dropdown-content a:last-child {
  border-bottom: none;
}

.dropdown-content a:hover {
  background-color: var(--hover-nav);
  padding-left: 20px; /* Animație subtilă */
}

.dropdown:hover .dropdown-content {
  display: block;
  animation: fadeInDown 0.3s ease-out;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Toggles (Dark Mode & Lang) */
.nav-toggles {
  display: flex;
  gap: 15px;
  margin-left: 20px;
  border-left: 1px solid rgba(255,255,255,0.3);
  padding-left: 20px;
}

.toggle-btn {
  background: transparent;
  border: 1px solid white;
  color: white;
  border-radius: 20px;
  padding: 5px 15px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  gap: 5px;
}

.toggle-btn:hover {
  background: white;
  color: var(--bg-nav);
}

/* Containere și pagini */
.container, .services-container, .contact-container, .content-section, .faq-container, .reviews-container, .terms-container, .team-container {
  max-width: 1000px;
  margin: 50px auto;
  background-color: var(--bg-card);
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--box-shadow);
  transition: background-color 0.3s, box-shadow 0.3s;
}

.container h2, .services-container h2, .contact-container h2, .content-section h2, .faq-container h2, .reviews-container h2, .terms-container h2, .team-container h2 {
  color: var(--accent-color);
  text-align: center;
  margin-top: 0;
  margin-bottom: 30px;
}

/* Formulare globale */
.form-group {
  margin-bottom: 20px;
}

label {
  font-weight: bold;
  display: block;
  margin-bottom: 8px;
  color: var(--text-color);
}

select, input[type="text"], input[type="email"], textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 16px;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: border-color 0.3s, box-shadow 0.3s;
  font-family: inherit;
}

select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 119, 204, 0.2);
}

button[type="submit"], button.action-btn {
  background-color: var(--bg-nav);
  color: white;
  border: none;
  padding: 12px 24px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 6px;
  font-weight: bold;
  transition: background-color 0.3s, transform 0.2s;
  display: block;
}

button[type="submit"]:hover, button.action-btn:hover {
  background-color: var(--hover-nav);
  transform: translateY(-2px);
}

/* Footer */
footer {
  background-color: var(--bg-header);
  color: var(--text-header);
  text-align: center;
  padding: 20px;
  margin-top: 60px;
  transition: background-color 0.3s;
}

/* Utilitare limba */
.lang-en { display: none; }
.lang-ro { display: inline-block; }

body.en-mode .lang-en { display: inline-block; }
body.en-mode .lang-ro { display: none; }

/* Mobile Optimization */
@media (max-width: 768px) {
  .hamburger-btn {
    display: block;
    width: 60%;
    margin-bottom: 10px;
    background-color: transparent;
    color: white;
    justify-content: center;
  }
  
  nav {
    flex-direction: column;
    align-items: stretch;
    padding: 15px;
  }

  nav > a, nav > .dropdown {
    display: none;
    text-align: center;
    padding: 10px;
    width: 100%;
  }

  nav.nav-open > a, nav.nav-open > .dropdown {
    display: block;
    animation: fadeInDown 0.3s ease-out;
  }

  nav > .nav-toggles {
    display: none;
    flex-direction: row;
    justify-content: center;
    margin: 10px 0 0 0;
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.3);
    padding: 10px 0 0 0;
  }
  
  nav.nav-open > .nav-toggles {
    display: flex;
  }

  .container, .services-container, .contact-container, .content-section, .faq-container, .reviews-container, .terms-container, .team-container {
    padding: 20px;
    margin: 20px 10px;
  }

  header {
    padding: 20px 10px;
  }
  
  header h1 {
    font-size: 28px;
  }

  .service-card, .team-member, .review-card {
    width: 100%;
  }

  .contact-container {
    flex-direction: column;
  }
  
  iframe {
    height: 200px;
  }
}

@media (min-width: 769px) {
  .hamburger-btn {
    display: none;
  }
}