:root {
    --neon-green: #ccff00;
    --neon-yellow: #ffff00;
    --bg-dark: #050505;
    --glass: rgba(255, 255, 255, 0.05);
    --neon-yellow-rgb: 255, 255, 0;
    --neon-green-rgb: 204, 255, 0;
}

*,
::before,
::after {
    box-sizing: border-box;
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: #fff;
    font-family: 'Share Tech Mono', monospace;
    min-height: 100vh;
    cursor: crosshair;
    overflow-x: hidden;
}

body.modal-open {
    overflow: hidden;
}

h1,
h2,
h3,
.brand-font {
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
}

#loader-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: #000;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: opacity 0.8s ease-out;
}

.pulsate-text {
    font-size: 2rem;
    color: var(--neon-yellow);
    text-shadow: 0 0 10px var(--neon-yellow), 0 0 20px var(--neon-green);
    animation: pulse 1.5s infinite alternate;
    margin-bottom: 2rem;
    text-align: center;
}

@keyframes pulse {
    0% {
        opacity: 0.5;
        transform: scale(0.98);
    }

    100% {
        opacity: 1;
        transform: scale(1.02);
    }
}

.loader-tube {
    width: 300px;
    max-width: 80%;
    height: 25px;
    border: 2px solid var(--neon-green);
    border-radius: 15px;
    padding: 3px;
    box-shadow: 0 0 15px var(--neon-green);
    position: relative;
}

.loader-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--neon-yellow), var(--neon-green));
    width: 0%;
    border-radius: 10px;
    box-shadow: 0 0 10px var(--neon-yellow);
    transition: width 0.1s linear;
}

.loader-percent {
    margin-top: 10px;
    color: var(--neon-green);
    font-size: 1.2rem;
}

#main-content {
    opacity: 0;
    transition: opacity 1.5s ease-in;
    display: none;
}

.hud-header {
    border-bottom: 1px solid var(--neon-green);
    background: rgba(0, 0, 0, 0.8);
    box-shadow: 0 2px 20px rgba(204, 255, 0, 0.2);
}

.live-clock {
    color: var(--neon-yellow);
    font-weight: bold;
    border: 1px solid var(--neon-yellow);
    padding: 5px 15px;
    border-radius: 5px;
    box-shadow: 0 0 5px var(--neon-yellow);
    text-shadow: 0 0 5px var(--neon-yellow);
    line-height: 1.2;
    text-align: right;
}

.hero-section {
    position: relative;
    background-color: var(--bg-dark);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    z-index: 0;
    background-image:
        repeating-linear-gradient(90deg, transparent 0px, transparent 18px, rgba(var(--neon-yellow-rgb), 0.2) 18px, rgba(var(--neon-yellow-rgb), 0.2) 20px),
        repeating-linear-gradient(0deg, transparent 0px, transparent 18px, rgba(var(--neon-green-rgb), 0.2) 18px, rgba(var(--neon-green-rgb), 0.2) 20px);
    background-size: 20px 20px;
    pointer-events: none;
    animation: backgroundPan 30s linear infinite;
}

@keyframes backgroundPan {
    from {
        background-position: 0 0;
    }

    to {
        background-position: 100% 100%;
    }
}

.hero-section>* {
    position: relative;
    z-index: 1;
}

.glitch-text {
    position: relative;
    color: #fff;
}

.highlight {
    color: var(--neon-green);
    text-shadow: 0 0 10px var(--neon-green);
}

.tech-card {
    background: var(--glass);
    border: 1px solid #333;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tech-card:hover {
    border-color: var(--neon-yellow);
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(255, 255, 0, 0.3);
}

.tech-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    transition: color 0.3s;
}

#projects-container,
#certs-container {
    display: none;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.project-card,
.cert-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 2px solid var(--neon-green);
    background: #111;
    transition: 0.3s;
}

.project-card:hover,
.cert-card:hover {
    box-shadow: 0 0 20px var(--neon-green);
}

.btn-neon {
    background: transparent;
    color: var(--neon-green);
    border: 2px solid var(--neon-green);
    padding: 10px 30px;
    font-family: 'Orbitron', sans-serif;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 0 10px var(--neon-green) inset;
}

.btn-neon:hover {
    background: var(--neon-green);
    color: #000;
    box-shadow: 0 0 30px var(--neon-green);
}

@media (max-width: 768px) {
    .pulsate-text {
        font-size: 1.5rem;
    }

    .loader-tube {
        width: 90%;
    }

    #projects-container,
    #certs-container {
        grid-template-columns: 1fr;
    }

    .live-clock {
        font-size: 0.75rem;
        padding: 3px 8px;
    }
}

.mouse-particle {
    position: fixed;
    width: 8px;
    height: 8px;
    background-color: var(--neon-green);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.8;
    box-shadow: 0 0 5px var(--neon-green), 0 0 10px var(--neon-yellow);
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: scale(1);
    z-index: 10000;
}

#certificate-modal {
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 10001;
    padding: 20px;
}

.modal-content-wrapper {
    max-width: 90%;
    max-height: 90%;
    position: relative;
}

.modal-certificate {
    width: auto;
    max-height: 85vh;
    max-width: 100%;
    display: block;
    border: 3px solid var(--neon-green);
    box-shadow: 0 0 30px rgba(204, 255, 0, 0.5);
    object-fit: contain;
    border-radius: 4px;
}

.modal-close {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: #000;
    border: 2px solid var(--neon-green);
    color: var(--neon-green);
    box-shadow: 0 0 15px var(--neon-green);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10002;
    transition: all 0.3s ease;
}

.modal-close:hover {
    background-color: var(--neon-green);
    color: #000;
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 0 25px var(--neon-green);
}

@media (max-width: 640px) {
    .modal-close {
        top: -15px;
        right: -10px;
        width: 35px;
        height: 35px;
        font-size: 1.2rem;
    }
}

.cert-image-container {
    height: 12rem;
    background: #1f2937;
    border: 1px solid #374151;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.cert-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0.5rem;
    transition: transform 0.3s ease;
}

.cert-card:hover .cert-thumbnail {
    transform: scale(1.03);
}

.cert-card .fa-graduation-cap {
    font-size: 3rem;
    color: var(--neon-yellow);
    filter: drop-shadow(0 0 10px var(--neon-yellow));
}

.btn-code {
    background: #2a2a2a;
    color: var(--neon-yellow);
    border: 2px solid var(--neon-yellow);
    box-shadow: 0 0 10px rgba(255, 255, 0, 0.4);
    transition: all 0.3s ease;
}

.btn-code:hover {
    background: var(--neon-yellow);
    color: #000;
    box-shadow: 0 0 20px var(--neon-yellow);
    transform: translateY(-2px);
}