/* ==========================================================================
   CSS Variables & Theming (Minimalist Modern-Retro)
   ========================================================================== */
   :root {
    /* Color Palette - Deep Slate with Cyan Accent */
    --bg-dark: #0f172a;       /* Deep slate/charcoal background */
    --bg-card: #1e293b;       /* Slightly lighter slate for cards */
    --text-main: #e2e8f0;     /* Off-white readable text */
    --text-muted: #94a3b8;    /* Muted gray for secondary text */
    --accent: #38bdf8;        /* Electric/Muted Cyan accent */
    --accent-hover: #0ea5e9;  /* Darker cyan for hover states */
    --border-color: #334155;  /* Subtle borders */

    /* Typography */
    --font-main: 'Fira Code', monospace;   /* Clean modern tech body */
    --font-retro: 'Silkscreen', cursive;   /* Subtle 8-bit headers */

    /* Spacing & Layout */
    --max-width: 1000px;
    --transition: all 0.2s ease-in-out;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-main);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .nav-brand {
    font-family: var(--font-retro);
    font-weight: normal;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

ul {
    list-style: none;
}

/* ==========================================================================
   Boot Screen Animation
   ========================================================================== */
#boot-screen {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-dark);
    color: var(--accent);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem;
    font-family: var(--font-main);
    font-size: 1.2rem;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

#boot-text {
    white-space: pre-wrap;
}

.cursor {
    width: 10px;
    height: 1.2em;
    background-color: var(--accent);
    display: inline-block;
    animation: blink 1s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

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

.hidden {
    opacity: 0;
    pointer-events: none;
    display: none;
}

/* Main Content Fade-in */
#main-content {
    opacity: 1;
    transition: opacity 1s ease-in;
}

#main-content.hidden {
    opacity: 0;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    border-bottom: 1px dotted var(--border-color);
}

.nav-brand {
    font-size: 1.2rem;
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

.nav-links a {
    color: var(--text-main);
    font-size: 0.9rem;
    text-transform: uppercase;
}

.nav-links a:hover {
    color: var(--accent);
}

/* ==========================================================================
   Layout & Sections
   ========================================================================== */
.section {
    padding: 5rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    border-bottom: 1px dotted var(--border-color);
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    color: var(--text-main);
}

.section-title .blink {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}

/* UI Components (Cards, Buttons) */
.card {
    background-color: var(--bg-card);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    /* Subtle retro touch: sharp corners, hard shadow */
    box-shadow: 4px 4px 0px 0px rgba(0,0,0,0.5);
    transition: var(--transition);
}

.card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0px 0px var(--accent);
    border-color: var(--accent);
}

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    font-family: var(--font-main);
    font-size: 0.9rem;
    text-transform: uppercase;
    cursor: pointer;
    border: 1px solid var(--accent);
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--accent);
    color: var(--bg-dark);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent);
}

.btn-secondary {
    background-color: transparent;
    color: var(--accent);
}

.btn-secondary:hover {
    background-color: var(--accent);
    color: var(--bg-dark);
}

/* ==========================================================================
   Hero / About Section
   ========================================================================== */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6rem 2rem;
    max-width: var(--max-width);
    margin: 0 auto;
    min-height: 80vh;
    border-bottom: 1px dotted var(--border-color);
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.greeting {
    color: var(--accent);
    margin-bottom: 1rem;
}

.title {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.subtitle {
    font-family: var(--font-main);
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.bio {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 0.8;
    display: flex;
    justify-content: flex-end;
}

.image-wrapper {
    width: 250px;
    height: 250px;
    background-color: var(--bg-card);
    border: 2px solid var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    /* 8-bit styling touch */
    box-shadow: 8px 8px 0px 0px var(--border-color);
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Optional: A subtle grayscale filter on hover for a tech feel */
    transition: var(--transition);
}

.image-wrapper:hover .profile-photo {
    filter: grayscale(100%) contrast(1.2);
}

/* ==========================================================================
   Experience Timeline
   ========================================================================== */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background-color: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -2.4rem; /* Aligns with the line */
    top: 0;
    width: 14px;
    height: 14px;
    background-color: var(--bg-dark);
    border: 2px solid var(--accent);
    /* Retro diamond shape */
    transform: rotate(45deg); 
}

.timeline-content h3 {
    font-family: var(--font-main);
    font-weight: 600;
    color: var(--text-main);
    font-size: 1.2rem;
    font-variant-ligatures: none; /* Prevents dots from centering in abbreviations like Dr. */
}

.timeline-content .company {
    display: block;
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-muted);
}

/* ==========================================================================
   Skills Grid
   ========================================================================== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    font-family: var(--font-main);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.skill-list li {
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-muted);
}

.skill-list li::before {
    content: '>';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* ==========================================================================
   Projects Grid
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.project-header h3 {
    font-family: var(--font-main);
    font-size: 1.2rem;
    color: var(--text-main);
}

.project-header a {
    font-size: 1.2rem;
    color: var(--text-muted);
}

.project-header a:hover {
    color: var(--accent);
}

.project-card p {
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-tags span {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.3);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    padding: 4rem 2rem;
    text-align: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer p {
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto 2rem auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    /* Subtle retro shadow */
    box-shadow: 3px 3px 0px 0px var(--accent);
}

.copyright {
    font-size: 0.8rem;
    margin: 0 !important;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 4rem;
    }

    .hero-content {
        margin-bottom: 3rem;
    }

    .hero-actions {
        justify-content: center;
    }

    .nav-links {
        display: none; /* Can implement a hamburger menu later if needed */
    }
}

/* ==========================================================================
   Blog / Articles Content
   ========================================================================== */
.post-container {
    max-width: 800px;
}

.post-content h1, 
.post-content h2, 
.post-content h3 {
    font-family: var(--font-retro);
    color: var(--text-main);
    margin-top: 3rem;
    margin-bottom: 1rem;
}

.post-content p {
    margin-bottom: 1.5rem;
    color: var(--text-main);
    line-height: 1.8;
}

.post-content a {
    text-decoration: underline;
    text-decoration-color: var(--border-color);
}

.post-content a:hover {
    text-decoration-color: var(--accent);
}

.post-content ul, 
.post-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
    color: var(--text-main);
}

.post-content li {
    margin-bottom: 0.5rem;
}

.post-content code {
    background-color: var(--bg-card);
    padding: 0.2rem 0.4rem;
    border: 1px solid var(--border-color);
    font-family: var(--font-main);
    font-size: 0.9em;
    color: var(--accent);
}

.post-content pre {
    background-color: var(--bg-card);
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.post-content pre code {
    background-color: transparent;
    border: none;
    padding: 0;
    color: var(--text-main);
}

.post-content img {
    max-width: 100%;
    height: auto;
    border: 1px solid var(--border-color);
    margin: 2rem 0;
}