:root {
    --sonic-blue: #0066CC;
    --sonic-blue-dark: #0052a3;
    --vs-purple: #9933FF;
    --vs-purple-dark: #7a29cc;
    --dark-bg: #0a0a0a;
    --dark-bg-2: #1a1a1a;
    --dark-bg-3: #2a2a2a;
}

/* Base Styles */
body {
    background-color: var(--dark-bg);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 60px;
    padding-top: 3.7rem;
    overflow-x: hidden;
}

/* Hero Section */
.hero-full {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    padding: 6rem 0 8rem 0;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--dark-bg) 0%, rgba(0, 102, 204, 0.05) 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.25;
    transform: translate3d(0,0,0);
}

.hero-shape.shape-1 {
    width: 420px;
    height: 420px;
    background: radial-gradient(circle at 20% 20%, rgba(0,102,204,0.8), transparent 40%);
    top: -80px;
    left: -160px;
    animation: pulse 8s infinite;
}

.hero-shape.shape-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle at 80% 80%, rgba(153,51,255,0.6), transparent 40%);
    bottom: -60px;
    right: -80px;
    animation: pulse 8s infinite 1s;
}

.hero-shape.shape-3 {
    width: 200px;
    height: 200px;
    background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.06), transparent 40%);
    top: 20%;
    right: 10%;
    animation: pulse 8s infinite 2s;
}

/* Card Styles */
.card {
    background: linear-gradient(145deg, var(--dark-bg-2), var(--dark-bg-3));
    border: 1px solid var(--dark-bg-3);
    transition: all 0.35s cubic-bezier(.2,.9,.2,1);
    border-radius: 12px;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 18px 40px rgba(0, 102, 204, 0.18),
        0 12px 24px rgba(153, 51, 255, 0.12);
    border-color: rgba(153, 51, 255, 0.4);
    background: linear-gradient(145deg, 
        rgba(26,26,26,0.95), 
        rgba(20,20,20,0.95)
    );
}

.card .card-title {
    background: linear-gradient(135deg, var(--sonic-blue), var(--vs-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
}

/* Skill Tags */
.skill-tag {
    background: linear-gradient(135deg, var(--dark-bg-3), var(--dark-bg-2));
    color: var(--vs-purple);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    display: inline-block;
    margin: 0.25rem;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.skill-tag:hover {
    border-color: var(--vs-purple);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(153, 51, 255, 0.15);
}

/* Section Headers */
h2 {
    background: linear-gradient(135deg, var(--sonic-blue), var(--vs-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    position: relative;
}

/* Button Styles */
.btn-primary {
    background: linear-gradient(135deg, var(--sonic-blue), var(--sonic-blue-dark));
    border: none;
    position: relative;
    transition: all 0.3s ease;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--sonic-blue), var(--vs-purple));
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(153, 51, 255, 0.2);
    border: none;
}

.btn-outline-light {
    transition: all 0.3s ease;
    z-index: 10;
}

.btn-outline-light:hover {
    background: linear-gradient(135deg, var(--vs-purple), var(--vs-purple-dark));
    border-color: transparent;
    transform: translateY(-2px);
}

.photo-frame {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid var(--color-background-container-dark);
}

/* Hero Image */
.hero-img {
    max-width: 320px;
    filter: drop-shadow(0 0 20px rgba(153, 51, 255, 0.3));
    transform-origin: center;
    transition: transform 0.25s linear;
}

/* Make hero image slightly smaller on small screens */
@media (max-width: 767.98px) {
    .hero-img {
        max-width: 220px; /* smaller on mobile */
    }

    .hero-full {
        padding: 4rem 0 6rem 0;
    }

    .display-1 {
        font-size: 2.5rem;
    }

    .lead {
        font-size: 1rem;
    }
}

/* Animations */
@keyframes pulse {
    0% {
        opacity: 0.25;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.05);
    }
    100% {
        opacity: 0.25;
        transform: scale(1);
    }
}

.animate-fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Navbar Enhancement */
.navbar {
    backdrop-filter: blur(10px);
    background: linear-gradient(180deg, 
        rgba(10,10,10,0.95), 
        rgba(26,26,26,0.95)
    ) !important;
    border-bottom: 1px solid rgba(153, 51, 255, 0.1);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--sonic-blue), var(--vs-purple));
    left: 0;
    bottom: -2px;
    transition: width 0.3s ease;
}

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

/* Footer Enhancement */
.footer a {
    transition: all 0.3s ease;
}

.footer a:hover {
    color: var(--vs-purple) !important;
    transform: translateY(-2px);
}

/* Simulation Log */
.simulation-log .log-entry {
    transition: all 0.2s ease;
}

.simulation-log .log-entry:hover {
    background-color: rgba(153, 51, 255, 0.03);
    border-radius: 8px;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    margin-left: -0.5rem;
    margin-right: -0.5rem;
}

.simulation-log .log-entry:last-child {
    border-bottom: none !important;
    padding-bottom: 0;
    margin-bottom: 0;
}