:root {
    --matrix-green: #00ff41;
    --matrix-dark: #0d0208;
    --matrix-darker: #000000;
    --matrix-light: #008f11;
    --terminal-bg: rgba(0, 0, 0, 0.85);
    --glow: 0 0 10px var(--matrix-green);
}

@font-face {
    font-family: 'Matrix';
    src: url('assets/Matrix-MZ4P.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap; /* Prevent layout shift from font loading */
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Consolas', 'Monaco', 'Lucida Console', 'Liberation Mono', 'DejaVu Sans Mono', 'Courier New', monospace;
    background-color: var(--matrix-darker);
    color: var(--matrix-green);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    /* Prevent CLS from font loading */
    min-height: 100vh;
}

/* Prevent layout shift during page load */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            0deg,
            rgba(0, 255, 65, 0.01) 0px,
            transparent 1px,
            transparent 2px,
            rgba(0, 255, 65, 0.01) 3px
        );
    pointer-events: none;
    z-index: 1;
    will-change: auto; /* Optimize for performance */
}

.scanline {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent 50%,
        rgba(0, 255, 65, 0.02) 51%
    );
    background-size: 100% 4px;
    pointer-events: none;
    z-index: 2;
    animation: scanline 8s linear infinite;
    will-change: transform; /* Optimize animation performance */
    contain: layout style paint; /* Improve rendering performance */
}

@keyframes scanline {
    0% { transform: translateY(0); }
    100% { transform: translateY(100%); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 10;
}

header {
    position: sticky;
    top: 0;
    background-color: var(--terminal-bg);
    border: 2px solid var(--matrix-green);
    margin-bottom: 40px;
    z-index: 1000;
    box-shadow: var(--glow);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 1.2rem;
    font-weight: normal;
    text-shadow: var(--glow);
}

.prompt {
    color: var(--matrix-light);
}

.cursor-blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--matrix-green);
    text-decoration: none;
    transition: all 0.3s;
    position: relative;
}

.nav-link::before {
    content: '$ ';
    opacity: 0;
    transition: opacity 0.3s;
}

.nav-link:hover::before {
    opacity: 1;
}

.nav-link:hover {
    text-shadow: var(--glow);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--matrix-green);
    transition: all 0.3s;
}

.section {
    margin-bottom: 60px;
    min-height: 50vh;
}

.terminal-window {
    background-color: var(--terminal-bg);
    border: 2px solid var(--matrix-green);
    border-radius: 5px;
    box-shadow: var(--glow);
    overflow: hidden;
    /* Optimize rendering performance */
    contain: layout style paint;
}

.terminal-header {
    background-color: var(--matrix-dark);
    padding: 10px;
    border-bottom: 1px solid var(--matrix-green);
    display: flex;
    gap: 8px;
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--matrix-green);
    box-shadow: 0 0 5px var(--matrix-green);
}

.terminal-body {
    padding: 30px;
}

.terminal-line {
    margin: 10px 0;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

h1 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin: 30px 0;
    text-shadow: var(--glow);
    font-family: 'Matrix', 'Consolas', monospace;
    /* Reserve space to prevent CLS */
    min-height: 1.2em;
    contain: layout style paint;
}

.glitch {
    position: relative;
    animation: glitch 3s infinite;
    will-change: transform; /* Optimize animation */
}

@keyframes glitch {
    0%, 90%, 100% { transform: translate(0); }
    91% { transform: translate(-2px, 2px); }
    92% { transform: translate(2px, -2px); }
    93% { transform: translate(-2px, 2px); }
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: 20px;
}

.section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    margin-bottom: 30px;
    text-shadow: var(--glow);
}

.about-content {
    line-height: 2;
}



.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
    /* Prevent CLS by reserving minimum height */
    min-height: 200px;
}

.project-card {
    background-color: var(--matrix-dark);
    border: 1px solid var(--matrix-green);
    padding: 20px;
    transition: all 0.3s;
    position: relative;
    /* Optimize rendering */
    contain: layout style paint;
    will-change: transform, box-shadow;
}

.project-card:hover {
    box-shadow: var(--glow);
    transform: translateY(-5px);
}

.project-card h3 {
    margin-bottom: 15px;
    font-size: 1.2rem;
    text-shadow: 0 0 5px var(--matrix-green);
}

.project-card h3::before {
    content: '$ ./';
    color: var(--matrix-light);
}

.project-card p {
    margin-bottom: 15px;
    font-size: 0.9rem;
    line-height: 1.5;
}

.project-meta {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.project-language {
    display: flex;
    align-items: center;
    gap: 5px;
}

.language-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--matrix-green);
}

.project-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.project-link {
    color: var(--matrix-green);
    text-decoration: none;
    border: 1px solid var(--matrix-green);
    padding: 8px 16px;
    transition: all 0.3s;
    font-size: 0.9rem;
}

.project-link:hover {
    background-color: var(--matrix-green);
    color: var(--matrix-darker);
}

.loading {
    text-align: center;
    padding: 20px;
    /* Reserve space to prevent CLS */
    min-height: 100px;
}

.hidden {
    display: none;
}

.error-message {
    color: #ff0000;
    text-shadow: 0 0 10px #ff0000;
    padding: 20px;
    border: 1px solid #ff0000;
    margin-top: 20px;
}

.error-message::before {
    content: '$ ERROR: ';
}

.contact-content {
    line-height: 2.5;
}

a {
    color: var(--matrix-green);
    text-decoration: none;
    transition: all 0.3s;
}

a:hover {
    text-shadow: var(--glow);
    text-decoration: underline;
}

footer {
    text-align: center;
    padding: 40px 20px;
    border-top: 1px solid var(--matrix-green);
    margin-top: 60px;
}

.footer-links {
    margin-top: 10px;
    font-size: 0.9rem;
}

.footer-links a {
    margin: 0 5px;
}

/* Legal Pages */
.legal-page .terminal-body {
    max-width: 900px;
    margin: 0 auto;
}

.legal-content {
    line-height: 1.8;
}

.legal-content h2 {
    color: var(--matrix-green);
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.5rem;
    text-shadow: 0 0 5px var(--matrix-green);
}

.legal-content h2::before {
    content: '$ ';
    color: var(--matrix-light);
}

.legal-content h3 {
    color: var(--matrix-green);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.legal-content h4 {
    color: var(--matrix-green);
    margin-top: 15px;
    margin-bottom: 8px;
    font-size: 1rem;
}

.legal-content p {
    margin-bottom: 15px;
}

.legal-content ul {
    margin-left: 30px;
    margin-bottom: 15px;
}

.legal-content li {
    margin-bottom: 8px;
    list-style-type: none;
}

.legal-content li::before {
    content: '> ';
    color: var(--matrix-light);
}

/* Sitemap Styles */
.sitemap-content {
    max-width: 1000px;
}

.sitemap-section {
    margin: 40px 0;
}

.sitemap-section h2 {
    margin-bottom: 20px;
}

.sitemap-list {
    list-style: none;
    margin-left: 0;
}

.sitemap-list li {
    margin-bottom: 20px;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--matrix-green);
    transition: all 0.3s;
}

.sitemap-list li::before {
    content: '';
}

.sitemap-list li:hover {
    background-color: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.3);
    transform: translateX(5px);
}

.sitemap-list a {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: var(--matrix-green);
    margin-bottom: 5px;
}

.sitemap-icon {
    color: var(--matrix-light);
    font-weight: bold;
    min-width: 60px;
}

.sitemap-title {
    font-size: 1.1rem;
    font-weight: bold;
}

.sitemap-meta {
    display: block;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-left: 75px;
}

.sitemap-stats {
    margin-top: 40px;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--matrix-green);
}

.sitemap-stats p {
    margin: 5px 0;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--terminal-bg);
    border-top: 2px solid var(--matrix-green);
    box-shadow: 0 -4px 20px rgba(0, 255, 65, 0.3);
    z-index: 10000;
    padding: 20px;
    animation: slideUp 0.5s ease-out;
    backdrop-filter: blur(10px);
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.cookie-banner.hidden {
    display: none;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
}

.cookie-header {
    margin-bottom: 15px;
}

.cookie-header h3 {
    color: var(--matrix-green);
    font-size: 1.3rem;
    text-shadow: 0 0 10px var(--matrix-green);
    margin: 0;
}

.cookie-content > p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.cookie-details {
    margin: 20px 0;
    padding: 15px;
    border: 1px solid var(--matrix-green);
    background-color: rgba(0, 0, 0, 0.5);
}

.cookie-category {
    margin-bottom: 15px;
}

.cookie-category:last-child {
    margin-bottom: 0;
}

.cookie-category h4 {
    color: var(--matrix-green);
    margin-bottom: 5px;
    font-size: 1rem;
}

.cookie-category p {
    font-size: 0.9rem;
    margin: 5px 0;
    opacity: 0.9;
}

.cookie-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
    margin-bottom: 5px;
}

.cookie-toggle input[type="checkbox"] {
    margin-right: 10px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--matrix-green);
}

.cookie-toggle span {
    color: var(--matrix-green);
    font-size: 1rem;
}

.cookie-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.cookie-btn {
    padding: 12px 24px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid var(--matrix-green);
    background-color: var(--matrix-dark);
    color: var(--matrix-green);
    transition: all 0.3s;
    flex: 1;
    min-width: 150px;
}

.cookie-btn:hover {
    background-color: var(--matrix-green);
    color: var(--matrix-darker);
    box-shadow: 0 0 10px var(--matrix-green);
}

.cookie-btn-primary {
    background-color: var(--matrix-green);
    color: var(--matrix-darker);
}

.cookie-btn-primary:hover {
    background-color: var(--matrix-light);
    border-color: var(--matrix-light);
}

.cookie-btn-secondary {
    background-color: var(--matrix-dark);
}

.cookie-btn-tertiary {
    background-color: transparent;
    border-color: var(--matrix-light);
    color: var(--matrix-light);
}

.cookie-btn-tertiary:hover {
    background-color: var(--matrix-light);
    color: var(--matrix-darker);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--terminal-bg);
        flex-direction: column;
        padding: 20px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s;
        border: 2px solid var(--matrix-green);
        border-top: none;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(8px, -8px);
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .terminal-body {
        padding: 20px;
    }

    h1 {
        font-size: 2rem;
    }

    .cookie-buttons {
        flex-direction: column;
    }

    .cookie-btn {
        width: 100%;
    }

    .legal-content ul {
        margin-left: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    nav {
        padding: 15px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .project-links {
        flex-direction: column;
    }

    .project-link {
        text-align: center;
    }
}