* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(180deg, #0a1929 0%, #0d2238 100%);
    min-height: 100vh;
    color: white;
}



.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}


.challenge-section {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.challenge-card {
    
    width: 100%;
}


.training-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
}


.training-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}


.mode-card {
    background: rgba(13, 34, 56, 0.6);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mode-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-preview {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #1a3a52 0%, #0f2537 100%);
    position: relative;
    overflow: hidden;
}

.card-button {
    width: 100%;
    padding: 1rem;
    background: #2196f3;
    color: white;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.card-button:hover {
    background: #1976d2;
}


.target-demo {
    width: 100%;
    height: 100%;
    position: relative;
}

.target {
    position: absolute;
    border-radius: 50%;
    background: #ff5722;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px rgba(255, 87, 34, 0.6);
}

.target::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 55%;
    height: 55%;
    background: white;
    border-radius: 50%;
}

.target::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20%;
    height: 20%;
    background: #ff5722;
    border-radius: 50%;
}

.target.small {
    width: 30px;
    height: 30px;
}

.target.medium {
    width: 45px;
    height: 45px;
}

.target.large {
    width: 60px;
    height: 60px;
}

.target.xlarge {
    width: 120px;
    height: 120px;
}

.target-outline {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    width: 40px;
    height: 40px;
    transform: translate(-50%, -50%);
}


.precision-demo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.dot-circle {
    position: relative;
    width: 150px;
    height: 150px;
}

.dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.dot.orange {
    background: #ff5722;
    box-shadow: 0 0 8px rgba(255, 87, 34, 0.8);
}


.reflex-demo {
    padding: 1rem;
}

.reflex-circle {
    position: absolute;
    border: 2px solid rgba(255, 87, 34, 0.6);
    border-radius: 50%;
    width: 55px;
    height: 55px;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.reflex-time {
    font-size: 0.7rem;
    color: #ff5722;
    font-weight: 600;
}


.moving-demo {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.moving-target-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.moving-target {
    position: relative;
    animation: moveTarget 2s ease-in-out infinite;
}

.motion-blur {
    position: absolute;
    width: 200px;
    height: 60px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 87, 34, 0.1) 20%, 
        rgba(255, 87, 34, 0.2) 40%, 
        rgba(255, 87, 34, 0.1) 60%, 
        transparent 100%);
    filter: blur(8px);
    border-radius: 50%;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    animation: blurMove 2s ease-in-out infinite;
}

@keyframes moveTarget {
    0%, 100% {
        transform: translateX(-30px) translate(-50%, -50%);
    }
    50% {
        transform: translateX(30px) translate(-50%, -50%);
    }
}

@keyframes blurMove {
    0%, 100% {
        opacity: 0.3;
        transform: translateX(-30px) translate(-50%, -50%);
    }
    50% {
        opacity: 0.6;
        transform: translateX(30px) translate(-50%, -50%);
    }
}


.tracking-demo {
    display: flex;
    align-items: center;
    justify-content: center;
}

.tracking-target {
    position: relative;
    width: 180px;
    height: 180px;
}

.tracking-target .target {
    position: absolute;
    top: 50%;
    left: 50%;
}

.tracking-dots {
    position: absolute;
    width: 100%;
    height: 100%;
}

.tracking-dot {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #2196f3;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(33, 150, 243, 0.8);
}


.intro-section {
    padding: 4rem 0;
    background: rgba(13, 34, 56, 0.3);
    margin-top: 4rem;
}

.intro-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}


.intro-header {
    text-align: center;
    margin-bottom: 4rem;
}

.intro-main-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #fff 0%, #66ccff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}


.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 6rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: rgba(13, 34, 56, 0.4);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s !important;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-icon img {
    width: 80px;
    height: 80px;
    border-radius: 12px;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.feature-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}


.why-section {
    margin-bottom: 6rem;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: white;
}

.why-grid {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.why-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.why-item.reverse {
    direction: rtl;
}

.why-item.reverse > * {
    direction: ltr;
}

.why-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.why-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.why-content h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: white;
}

.why-content p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}


.cta-section {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(255, 87, 34, 0.1) 0%, rgba(33, 150, 243, 0.1) 100%);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

.cta-button {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: 600;
    background: linear-gradient(135deg, #ff5722 0%, #ff8a65 100%);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 87, 34, 0.6);
}



@media (max-width: 1200px) {
    .training-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .training-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .main-content {
        padding: 2rem 1rem;
    }
    
    .intro-main-title {
        font-size: 2rem;
    }
    
    .intro-subtitle {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .why-item {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .why-item.reverse {
        direction: ltr;
    }
    
    .why-content h3 {
        font-size: 1.5rem;
    }
    
    .why-content p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .cta-title {
        font-size: 1.6rem;
    }
    
    .cta-subtitle {
        font-size: 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }

    .intro-container{
        padding: 0;
    }
}