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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --neural-blue: #0066ff;
    --neural-purple: #8b5cf6;
    --neural-pink: #ec4899;
}

* {
    box-sizing: border-box;
}

html,
body {
    overflow-x: hidden;
    width: 100%;
    position: relative;
}

body {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a3e 25%, #2d1b69 50%, #4c1d95 75%, #7c2d92 100%);
    min-height: 100vh;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

.neural-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
}

.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.neon-text {
    text-shadow: 0 0 20px currentColor, 0 0 40px currentColor, 0 0 60px currentColor;
}

.floating-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    animation: float 6s ease-in-out infinite;
    pointer-events: none;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) scale(1);
    }

    50% {
        transform: translateY(-20px) scale(1.1);
    }
}

.pulse-ring {
    animation: pulse-ring 2s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
    max-width: 100%;
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }

    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.data-stream {
    position: absolute;
    width: 2px;
    height: 100px;
    background: linear-gradient(to bottom, transparent, #00f2fe, transparent);
    animation: data-flow 3s linear infinite;
}

@keyframes data-flow {
    0% {
        transform: translateY(-100px);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translateY(100vh);
        opacity: 0;
    }
}

.hologram-effect {
    position: relative;
    overflow: hidden;
}

.hologram-effect::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.3), transparent);
    animation: hologram-scan 3s ease-in-out infinite;
}

@keyframes hologram-scan {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

.morphing-shape {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation: morph 8s ease-in-out infinite;
}

@keyframes morph {

    0%,
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }

    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

.typing-animation {
    overflow: hidden;
    border-right: 3px solid #00f2fe;
    white-space: nowrap;
    animation: typing 4s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent;
    }

    50% {
        border-color: #00f2fe;
    }
}

.neural-network {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.neuron {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #00f2fe;
    border-radius: 50%;
    box-shadow: 0 0 10px #00f2fe;
    animation: neuron-pulse 2s ease-in-out infinite alternate;
}

@keyframes neuron-pulse {
    0% {
        opacity: 0.3;
        transform: scale(1);
    }

    100% {
        opacity: 1;
        transform: scale(1.5);
    }
}

.challenge-card {
    transform-style: preserve-3d;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
}

.challenge-card:hover {
    transform: rotateY(10deg) rotateX(5deg) translateZ(50px);
}

.timeline-3d {
    perspective: 1000px;
}

.timeline-item-3d {
    transform-style: preserve-3d;
    transition: all 0.5s ease;
}

.timeline-item-3d:hover {
    transform: translateZ(30px) rotateY(-5deg);
}

.particle-field {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #00f2fe;
    border-radius: 50%;
    animation: particle-float 20s linear infinite;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

.magnetic-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.magnetic-hover:hover {
    transform: scale(1.05) translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 242, 254, 0.3);
}

.text-glow {
    text-shadow: 0 0 20px currentColor;
}

.hero-bg {
    background: radial-gradient(ellipse at center, rgba(103, 126, 234, 0.15) 0%, transparent 70%),
        linear-gradient(135deg, #0f0f23 0%, #1a1a3e 25%, #2d1b69 50%, #4c1d95 75%, #7c2d92 100%);
}

.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    z-index: 9999;
}

.scroll-progress {
    height: 100%;
    background: linear-gradient(90deg, #00f2fe, #667eea, #ec4899);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.1s ease;
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }

    100% {
        opacity: 0;
        transform: scale(0);
    }
}