/* Rivium Solutions - Custom Styles */
/* Tailwind CDN will be loaded via HTML */

:root {
  --accent-blue: #0ea5e9;
  --accent-green: #10b981;
  --text-primary: #000000;
  --text-secondary: #4b5563;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

p {
  color: var(--text-secondary);
}

/* Button Styles */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-green) 100%);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.2s, box-shadow 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(14, 165, 233, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  border: 2px solid var(--text-primary);
  transition: background 0.2s, color 0.2s;
}

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

/* Navigation */
.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--accent-blue);
}

/* Cards */
.service-card {
  background: white;
  border-radius: 1rem;
  padding: 2.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e5e7eb;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  min-height: 280px;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  border-color: #d1d5db;
}

/* Icon Styles */
.service-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-green) 100%);
  border-radius: 0.875rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
}

.mobile-menu.active {
  display: block;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

.accent-gradient {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Smooth Scroll */
html {
  scroll-behavior: smooth;
}