/* CSS Variables */
:root {
    --dojo-dark: #020817;
    --dojo-card: #0F172A;
    --dojo-accent: #38BDF8;
    --dojo-accent-hover: #0EA5E9;
    --dojo-text: #F1F5F9;
    --dojo-gray: #94A3B8;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--dojo-card);
}

::-webkit-scrollbar-thumb {
    background: var(--dojo-accent);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--dojo-accent-hover);
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) rotate(45deg);
    }
}

@keyframes slideFromTop {
    0% {
        opacity: 0;
        transform: translateY(-50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

/* Hero section animations */
.animate-title {
    animation: slideFromTop 1s ease-out forwards;
}

.animate-subtitle {
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
    animation-delay: 0.5s;
}

.animate-float {
    opacity: 0;
    animation: float 3s ease-in-out infinite, fadeIn 1s ease-out forwards;
    animation-delay: 0s, 1s;
}

.hero-gradient {
    background: linear-gradient(to bottom, var(--dojo-card), var(--dojo-dark));
    position: relative;
}

/* Optional: Add a subtle gradient overlay */
.hero-gradient::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.1), transparent 50%);
    pointer-events: none;
}

/* Tech card styles */
.tech-card, .practice-card {
    position: relative;
    overflow: hidden;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
    transition: all 0.3s ease;
}

.tech-card::before, .practice-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dojo-accent), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.tech-card:hover::before, .practice-card:hover::before {
    transform: translateX(100%);
}

.tech-card:hover, .practice-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px rgba(56, 189, 248, 0.1);
}

/* Tech item styles */
.tech-item {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    will-change: transform, background;
}

.tech-item::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    transform: rotate(45deg);
    animation: shine 3s ease-in-out infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.tech-item:hover::after {
    opacity: 1;
}

.tech-item:hover {
    transform: translateY(-2px);
    background: rgba(30, 41, 59, 0.8);
}

.tech-item img {
    transition: all 0.3s ease;
    will-change: transform, filter;
}

.tech-item:hover img {
    transform: scale(1.1);
    filter: brightness(1.1);
}

/* Grid animations */
.grid > div {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.grid > div:nth-child(1) { animation-delay: 0.1s; }
.grid > div:nth-child(2) { animation-delay: 0.2s; }
.grid > div:nth-child(3) { animation-delay: 0.3s; }
.grid > div:nth-child(4) { animation-delay: 0.4s; }
.grid > div:nth-child(5) { animation-delay: 0.5s; }
.grid > div:nth-child(6) { animation-delay: 0.6s; }

/* Footer animation */
footer {
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dojo-accent), transparent);
    opacity: 0.2;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}