@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Base Styles */
body {
    background-color: #081C3A;
    color: #f8fafc;
    overflow-x: hidden;
    font-family: 'Inter', sans-serif;
}

/* Glassmorphism & Visual Effects */
.glass-panel {
    background: rgba(11, 37, 69, 0.45);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.header-scrolled {
    background: rgba(8, 28, 58, 0.85) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    border: 1px solid rgba(0, 240, 255, 0.2) !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.glow-effect {
    box-shadow: 0 0 35px rgba(0, 240, 255, 0.2);
}

@keyframes pulseGlow {
    0%, 100% { opacity: 0.2; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.05); }
}

.radar-glow {
    animation: pulseGlow 6s ease-in-out infinite;
}

/* Enhanced Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes textReveal {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(10px, -10px) rotate(90deg); }
    50% { transform: translate(0, -20px) rotate(180deg); }
    75% { transform: translate(-10px, -10px) rotate(270deg); }
}

@keyframes scanline {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out forwards;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out forwards;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out forwards;
}

.animate-textReveal {
    animation: textReveal 1s ease-out forwards;
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-particle {
    animation: particleFloat 20s linear infinite;
}

/* Particle Network Background */
.particle-network {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 240, 255, 0.3);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
}

.particle::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, rgba(0, 240, 255, 0.3), transparent);
    transform-origin: left center;
}

/* Scroll Reveal Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.8s ease-out;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all 0.8s ease-out;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

/* Parallax Background */
.parallax-bg {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Animated Counter */
.counter {
    font-variant-numeric: tabular-nums;
}

/* Card Hover Effects */
.card-hover {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card-hover:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(0, 240, 255, 0.15);
}

/* Shimmer Effect */
.shimmer {
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

/* Timeline Styles */
.timeline-item {
    position: relative;
    padding-left: 30px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #00F0FF, transparent);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: -4px;
    top: 5px;
    width: 10px;
    height: 10px;
    background: #00F0FF;
    border-radius: 50%;
    box-shadow: 0 0 10px #00F0FF;
}

/* Workflow Animation */
.workflow-arrow {
    position: relative;
    overflow: hidden;
}

.workflow-arrow::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #00F0FF, transparent);
    animation: shimmer 2s infinite;
}

/* Drone Silhouette Background */
.drone-bg {
    position: absolute;
    opacity: 0.03;
    animation: float 8s ease-in-out infinite;
}

/* Grid Pattern */
.grid-pattern {
    background-image: 
        linear-gradient(rgba(0, 240, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 240, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #081C3A;
}

::-webkit-scrollbar-thumb {
    background: #0B2545;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #00F0FF;
}

/* Selection Styling */
::selection {
    background: rgba(0, 240, 255, 0.3);
    color: white;
}

/* Focus States for Accessibility */
a:focus, button:focus, input:focus, textarea:focus, select:focus {
    outline: 2px solid #00F0FF;
    outline-offset: 2px;
}

/* Skip to main content for accessibility */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: #00F0FF;
    color: #081C3A;
    padding: 8px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-to-content:focus {
    top: 0;
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

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

/* Loading Screen */
.loading-screen {
    position: fixed;
    inset: 0;
    background: #081C3A;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(0, 240, 255, 0.1);
    border-top-color: #00F0FF;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}