@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=IBM+Plex+Sans:wght@500;600;700&display=swap');

:root {
  --color-primary: #0B1F3A; /* Deep Industrial Navy */
  --color-secondary: #475569; /* Steel Gray */
  --color-accent: #EA580C; /* Safety Orange */
  --color-accent-hover: #C2410C; /* Darker Orange */
  --color-bg-light: #F8FAFC; /* Light Gray/Slate 50 */
  --color-text-main: #334155; /* Slate 700 */
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--color-text-main);
  background-color: var(--color-bg-light);
  scroll-behavior: smooth;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'IBM Plex Sans', sans-serif;
  color: var(--color-primary);
  font-weight: 700;
}

/* Custom Utilities - Corporate Aesthetic */
.btn-primary {
  background-color: var(--color-accent);
  color: #fff;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0.125rem; /* rounded-sm */
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.btn-primary:hover {
  background-color: var(--color-accent-hover);
  box-shadow: 0 4px 10px rgba(234, 88, 12, 0.25);
}

.btn-secondary {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 0.125rem;
}
.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #fff;
}

/* Card Hover - Corporate style (subtle shadow and border transition) */
.hover-card {
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #E2E8F0; /* Slate 200 */
  border-radius: 0.125rem;
  background-color: #fff;
}
.hover-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(11, 31, 58, 0.08), 0 4px 6px -2px rgba(11, 31, 58, 0.04);
}

/* Navbar active state */
.nav-link {
  position: relative;
  transition: color 0.2s ease;
}
.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--color-accent);
  transition: width 0.2s ease;
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}
.nav-link.active {
  color: var(--color-accent) !important;
}

/* Hero Overlay */
.hero-bg {
  background-image: url('../images/image16.png');
  background-size: cover;
  background-position: center;
}

/* Accordion transition classes */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}
.accordion-content.open {
  max-height: 500px;
  transition: max-height 0.3s ease-in;
}