@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --primary-navy: #0A192F;
  --secondary-navy: #0F2744;
  --accent-cyan: #00D2D3;
  --accent-cyan-light: #00F0FF;
  --accent-blue: #0072FF;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --bg-card: #FFFFFF;
}

body {
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  background-color: #F8FAFC;
  color: #0F172A;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

.font-montserrat {
  font-family: 'Montserrat', sans-serif;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0A192F;
}
::-webkit-scrollbar-thumb {
  background: #00D2D3;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #00F0FF;
}

/* Hero Section Gradient Background */
.hero-gradient {
  background: radial-gradient(circle at 80% 30%, #15375B 0%, #0A192F 70%, #060F1E 100%);
}

/* Cyan Glowing Button Effect */
.btn-cyan-glow {
  background: linear-gradient(135deg, #00D2D3 0%, #00b4d8 100%);
  box-shadow: 0 4px 20px rgba(0, 210, 211, 0.35);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-cyan-glow:hover {
  background: linear-gradient(135deg, #00F0FF 0%, #00D2D3 100%);
  box-shadow: 0 6px 25px rgba(0, 240, 255, 0.55);
  transform: translateY(-2px);
}

.btn-cyan-outline {
  border: 1.5px solid #00D2D3;
  color: #00D2D3;
  transition: all 0.3s ease;
}

.btn-cyan-outline:hover {
  background-color: rgba(0, 210, 211, 0.12);
  border-color: #00F0FF;
  color: #00F0FF;
  box-shadow: 0 0 15px rgba(0, 210, 211, 0.3);
  transform: translateY(-2px);
}

/* Floating Metric Cards Shadow */
.metric-card {
  box-shadow: 0 15px 35px -5px rgba(10, 25, 47, 0.08), 0 5px 15px rgba(0, 0, 0, 0.04);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.metric-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px -5px rgba(0, 180, 216, 0.15), 0 10px 20px rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 210, 211, 0.4);
}

/* Solution Card Styling */
.solution-card {
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #E2E8F0;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 35px -10px rgba(15, 39, 68, 0.12);
  border-color: #94A3B8;
}

.solution-card:hover .solution-img {
  transform: scale(1.03);
}

.solution-img {
  transition: transform 0.5s ease;
}

/* Glassmorphism Classes */
.glass-nav {
  background: rgba(10, 25, 47, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.glass-modal {
  background: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 210, 211, 0.25);
}

/* Slider Track Animation */
.solutions-slider-wrapper {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.solutions-slider-wrapper::-webkit-scrollbar {
  display: none;
}

/* Water Ripple Animation Effect */
@keyframes pulseGlow {
  0%, 100% {
    opacity: 0.4;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.08);
  }
}

.pulse-glow {
  animation: pulseGlow 4s infinite ease-in-out;
}

/* Smooth modal fade animation */
.modal-backdrop {
  transition: opacity 0.3s ease-in-out;
}
.modal-content {
  transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

/* Active Nav Indicator */
.nav-link {
  position: relative;
  transition: color 0.2s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0%;
  height: 2px;
  background: #00D2D3;
  transition: all 0.25s ease;
  transform: translateX(-50%);
}

.nav-link:hover::after {
  width: 100%;
}