/* Custom styles for RCB Digital website */

:root {
  --primary-color: #5ECBC4;
  --primary-dark: #3ba8a1;
  --secondary-color: #212529;
  --accent-color: #007bff;
  --light-bg: #f8f9fa;
  --dark-bg: #343a40;
  --success-color: #1e7e34;
  --gray-color: #6c757d;
}

/* General styles */
body {
  font-family: 'Roboto', system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--secondary-color);
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
}

/* Header and navigation */
.navbar {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
}

.navbar-brand img {
  height: 50px;
}

.navbar-nav .nav-link {
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-color);
}

.navbar-nav .nav-link.active {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

.lang-selector {
  margin-left: 1rem;
}

.lang-selector .nav-link {
  padding: 0.25rem 0.5rem;
  font-weight: 500;
}

.lang-selector .nav-link.active {
  background-color: var(--primary-color);
  color: white;
  border-radius: 4px;
}

/* Hero section */
.hero {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--light-bg) 0%, #e9ecef 100%);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Service cards */
.service-card {
  border: none;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-card .card-header {
  color: white;
  font-weight: 600;
  padding: 1.25rem;
}

.service-card.industry {
  border-top: 4px solid var(--success-color);
}

.service-card.industry .card-header {
  background-color: var(--success-color);
}

.service-card.automation {
  border-top: 4px solid var(--accent-color);
}

.service-card.automation .card-header {
  background-color: var(--accent-color);
}

.service-card.optimization {
  border-top: 4px solid var(--primary-color);
}

.service-card.optimization .card-header {
  background-color: var(--primary-color);
}

.service-card.data {
  border-top: 4px solid var(--gray-color);
}

.service-card.data .card-header {
  background-color: var(--gray-color);
}

.service-card.management {
  border-top: 4px solid var(--dark-bg);
}

.service-card.management .card-header {
  background-color: var(--dark-bg);
}

.service-card.partnerships {
  border-top: 4px solid var(--primary-dark);
}

.service-card.partnerships .card-header {
  background-color: var(--primary-dark);
}

/* About section */
.about-section {
  padding: 5rem 0;
}

.founder-section {
  background-color: var(--light-bg);
  padding: 3rem 0;
}

.expertise-item {
  margin-bottom: 1.5rem;
}

.expertise-item i {
  color: var(--primary-color);
  margin-right: 0.5rem;
}

/* Contact form */
.contact-form {
  background-color: white;
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-form label {
  font-weight: 500;
}

.contact-form .form-control {
  border-radius: 4px;
  padding: 0.75rem;
  border: 1px solid #ced4da;
}

.contact-form .form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(94, 203, 196, 0.25);
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  padding: 0.75rem 1.5rem;
  font-weight: 500;
}

.btn-primary:hover, .btn-primary:focus {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  color: white;
  padding: 2rem 0;
}

footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Responsive adjustments */
@media (max-width: 991.98px) {
  .navbar-brand img {
    height: 40px;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
}

@media (max-width: 767.98px) {
  .navbar {
    padding: 0.75rem 0;
  }
  
  .service-card {
    margin-bottom: 1.5rem;
  }
  
  .hero {
    padding: 3rem 0;
  }
  
  .about-section, .founder-section {
    padding: 3rem 0;
  }
}

@media (max-width: 575.98px) {
  .navbar-brand img {
    height: 35px;
  }
  
  .hero h1 {
    font-size: 1.75rem;
  }
  
  .contact-form {
    padding: 1.5rem;
  }
}