:root {
  --primary: #f97316;
  --primary-hover: #ea580c;
  --secondary: #111827;
  --bg-color: #ffffff;
  --bg-alt: #f9fafb;
  --text-main: #374151;
  --text-muted: #6b7280;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.18);
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition);
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, #fb923c 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(249, 115, 22, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.6);
}

.btn-outline {
  border: 2px solid var(--secondary);
  color: var(--secondary);
  background: transparent;
}

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


/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

header.scrolled {
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo img {
  height: 65px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--secondary);
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  align-items: center;
}

.nav-links > li > a {
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 10px 0;
}

.nav-links > li > a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0px;
  left: 0;
  background-color: var(--primary);
  transition: var(--transition);
}

.nav-links > li > a:hover::after {
  width: 100%;
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  box-shadow: var(--shadow-md);
  list-style: none;
  min-width: 240px;
  padding: 10px 0;
  border-radius: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  color: var(--text-main);
  transition: var(--transition);
}

.dropdown-menu a:hover {
  background: var(--bg-alt);
  color: var(--primary);
}

.nav-btn-blue {
  background: linear-gradient(135deg, #1a365d 0%, #2b6cb0 100%);
  color: var(--white) !important;
  padding: 8px 16px !important;
  border-radius: var(--radius-full);
  font-weight: 600 !important;
  box-shadow: 0 4px 10px rgba(43, 108, 176, 0.3);
  display: inline-block;
}

.nav-btn-blue:hover {
  background: linear-gradient(135deg, #152b4a 0%, #1e4b7a 100%);
  transform: translateY(-2px);
}

.nav-btn-blue::after {
  display: none !important;
}