/* Animations */
@keyframes pulse-ring {
    0% {
        transform: translate(-50%, -50%) scale(0.95);
        opacity: 1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.05);
        opacity: 0.7;
    }
    100% {
        transform: translate(-50%, -50%) scale(0.95);
        opacity: 1;
    }
}

@keyframes radar-sweep {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
        opacity: 0;
    }
    5% {
        opacity: 0.4;
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
        opacity: 0.4;
    }
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes blob {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

@keyframes radar-ping {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Animation Classes */
.pulse-ring {
    animation: pulse-ring 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-blob {
    animation: blob 7s infinite;
}

.animation-delay-2000 {
    animation-delay: 2s;
}

.animation-delay-4000 {
    animation-delay: 4s;
}

.fade-in-up {
    animation: fadeInUp 1s ease forwards;
}

.animation-delay-200 {
    animation-delay: 0.2s;
    opacity: 0;
}

.animation-delay-400 {
    animation-delay: 0.4s;
    opacity: 0;
}

.animation-delay-600 {
    animation-delay: 0.6s;
    opacity: 0;
}

.animation-delay-1000 {
    animation-delay: 1s;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

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

.radar-sweep {
    animation: radar-sweep 4s linear infinite;
}

.radar-ping {
    animation: radar-ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

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

/* Gradients & Effects */
.gradient-text {
    background: linear-gradient(90deg, #60a5fa, #818cf8, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-gradient {
    background: linear-gradient(180deg, 
        rgba(0, 0, 0, 0.7) 0%, 
        rgba(17, 24, 39, 0.6) 50%, 
        rgba(31, 41, 55, 0.5) 100%);
}

.glow-effect {
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.5);
}

/* Navigation */
.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #60a5fa, #818cf8);
    transition: width 0.3s ease;
}

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

.nav-link:hover {
    color: #ffffff;
}

/* Radar Components */
.radar-ring {
    position: absolute;
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.radar-line {
    position: absolute;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, #60a5fa, transparent);
    top: 50%;
    left: 50%;
    transform-origin: center center;
    transform: translate(-50%, -50%);
    opacity: 0;
}

.sparkle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    opacity: 0;
    animation: sparkle 3s ease-in-out infinite;
}

/* Stars */
.star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
    animation: twinkle 4s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.3);
    }
}