:root {
    --bg-color: #f0f7fb;       /* Light blue background */
    --surface-color: #ffffff;  /* White block background */
    --text-main: #1a2933;      /* Darker slate/blue text */
    --text-muted: #5e7a8f;
    --accent: #2e5b7a;         /* Vibrant blue accent */
    --border-color: #d1e3ef;   /* Light blue border */
    --font-heading: 'Outfit', system-ui, sans-serif;
    --font-sans: 'Outfit', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Animation Colors */
    --color-builder: #db7356;
    --color-researcher: #56b6c2;
    --color-innovator: #f9c74f; /* Bright yellow/gold */
    --color-ai: #c678dd;
    
    /* Badge Colors */
    --badge-bg: #e2e8f0;
    --badge-text: #1a2933;
}

body.dark-mode {
    --bg-color: #0f172a;
    --surface-color: #1e293b;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --border-color: #334155;
    --badge-bg: #334155;
    --badge-text: #e2e8f0;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
    background-size: 20px 20px;
}

a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--text-muted);
}

.container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem;
    background-color: var(--bg-color);
}

/* Navigation */
.navbar {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
}

.nav-brand {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: var(--text-main);
    padding: 0.2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    min-height: 40vh;
    padding: 4rem 0;
}

.mono-greeting {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

h1, h2, h3 {
    font-family: var(--font-heading);
}

.title {
    font-size: 4rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    max-width: 550px;
    line-height: 1.5;
}

.animated-subtitle .role {
    font-weight: 600;
    transition: color 0.3s ease;
}

.animated-subtitle .builder { color: var(--color-builder); }
.animated-subtitle .researcher { color: var(--color-researcher); }
.animated-subtitle .innovator { color: var(--color-innovator); }
.animated-subtitle .ai-specialist { 
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--color-ai); 
}

/* Typing Effect */
.typing-container {
    display: inline-block;
    white-space: nowrap;
    overflow: hidden;
}

@keyframes typing {
    from { width: 0 }
    to { width: 100% }
}

@keyframes blink-caret {
    from, to { border-color: transparent }
    50% { border-color: var(--accent); }
}

.typing-1 {
    overflow: hidden;
    white-space: nowrap;
    border-right: 0.15em solid transparent;
    animation: 
        typing 1.5s steps(20, end) forwards,
        blink-caret .75s step-end 2; /* Blink a few times then stop */
    width: 100%;
}

.typing-effect-title {
    overflow: hidden;
    white-space: nowrap;
    border-right: 0.15em solid var(--accent);
    margin: 0;
    padding-right: 0.1em;
    width: 0;
    width: max-content;
    display: inline-block;
    animation: 
        typing 1.5s steps(20, end) 1.5s forwards,
        blink-caret .75s step-end infinite;
}

/* Social Links */
.social-links {
    display: flex;
    flex-wrap: nowrap;
    gap: 1rem;
    margin-top: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.social-icon {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    background: var(--surface-color);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.social-icon:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Profile Picture */
.profile-pic {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--border-color);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.mono-text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
}

.divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 2rem 0;
}

.section-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 3.5rem;
    color: var(--text-main);
}

.section-spaced {
    padding: 7rem 0;
}

/* Latest News */
.news-item {
    display: flex;
    gap: 2rem;
    padding: 1.5rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    align-items: center;
}

.news-date {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--accent);
    min-width: 100px;
    font-weight: bold;
}

.news-content p {
    margin: 0;
    color: var(--text-main);
    font-size: 1.05rem;
}

.highlight-link {
    color: var(--color-ai);
    font-weight: 600;
    text-decoration: underline;
}

.highlight-link:hover {
    color: var(--color-builder);
}

/* Projects */
.project-card {
    display: block;
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    background-color: var(--surface-color);
    border-radius: 4px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 4px 4px 0px var(--border-color);
}

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

.project-card-header h3 {
    font-size: 1.3rem;
}

.badge {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: var(--badge-bg);
    color: var(--badge-text);
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
}

.bio-content p + p {
    margin-top: 1.1rem;
}

.bio-content a {
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.bio-content a:hover {
    color: var(--text-main);
}

.bio-content strong {
    color: var(--text-main);
    font-weight: 600;
}

.publication-links {
    margin-top: 0.45rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.publication-link {
    font-family: var(--font-mono);
    font-size: 0.86rem;
    color: var(--accent);
    text-decoration: none;
}

.publication-link:hover {
    text-decoration: underline;
    color: var(--text-main);
}

/* Case Study / Project Page */
.case-study h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.project-meta {
    display: flex;
    gap: 2rem;
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.meta-column strong {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-bottom: 0.2rem;
}

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

.content-block h2 {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.content-block p {
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

footer {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    text-align: right;
    padding: 2rem 3rem;
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-contact {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    margin-bottom: 0.4rem;
    word-break: break-word;
}


.see-all-link {
    font-size: 0.8rem;
    font-family: var(--font-mono);
    text-transform: none;
    letter-spacing: 0;
    margin-left: 0.8rem;
    color: var(--text-muted);
}
.see-all-link a {
    text-decoration: none;
    transition: color 0.2s;
}
.see-all-link a:hover {
    color: var(--accent);
}