/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Professional Blue/Purple Color Palette */
    --bg-primary: #0a0d1f;
    --bg-secondary: #0f1428;
    --bg-tertiary: #151b35;
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-tertiary: #3b82f6;
    --accent-highlight: #a78bfa;
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-tertiary: #9ca3af;
    --border-color: #1e293b;
    --glow-primary: rgba(99, 102, 241, 0.4);
    --glow-secondary: rgba(139, 92, 246, 0.4);

    /* Typography */
    --font-mono: 'Fira Code', 'Share Tech Mono', monospace;
    --font-tech: 'Share Tech Mono', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-mono);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* ===========================
   Background Effects
   =========================== */
.matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    opacity: 0.03;
    pointer-events: none;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0.1;
    pointer-events: none;
}

/* ===========================
   Navigation
   =========================== */
.nav-bar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-primary);
    text-shadow: 0 0 10px var(--glow-green);
}

.terminal-prompt {
    color: var(--accent-primary);
    font-family: var(--font-mono);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--glow-primary);
}

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

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-fast);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 6rem 2rem 4rem;
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.hero-headshot {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 4px solid var(--accent-primary);
    box-shadow: 0 0 40px var(--glow-primary);
    object-fit: cover;
    object-position: center;
    transition: var(--transition-normal);
}

.hero-headshot:hover {
    box-shadow: 0 0 60px var(--glow-primary);
    transform: scale(1.05);
}

.hero-text-content {
    width: 100%;
}

.glitch-wrapper {
    margin-bottom: 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: 0.1em;
    color: #ffffff;
    text-shadow: 0 0 20px var(--glow-primary);
    margin-bottom: 0;
}

.glitch {
    position: relative;
    display: inline-block;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--accent-danger);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--accent-secondary);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
    0% { clip: rect(10px, 9999px, 31px, 0); }
    20% { clip: rect(85px, 9999px, 90px, 0); }
    40% { clip: rect(45px, 9999px, 50px, 0); }
    60% { clip: rect(12px, 9999px, 18px, 0); }
    80% { clip: rect(66px, 9999px, 71px, 0); }
    100% { clip: rect(33px, 9999px, 38px, 0); }
}

@keyframes glitch-anim2 {
    0% { clip: rect(65px, 9999px, 70px, 0); }
    20% { clip: rect(15px, 9999px, 20px, 0); }
    40% { clip: rect(75px, 9999px, 80px, 0); }
    60% { clip: rect(35px, 9999px, 40px, 0); }
    80% { clip: rect(25px, 9999px, 30px, 0); }
    100% { clip: rect(55px, 9999px, 60px, 0); }
}

.typing-container {
    margin-bottom: 2rem;
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    color: var(--text-secondary);
    min-height: 2.5rem;
}

.typing-text {
    color: var(--accent-secondary);
}

.cursor {
    color: var(--accent-primary);
    animation: blink 1s infinite;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3rem 0;
    flex-wrap: wrap;
}

.stat-box {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    padding: 1rem 2rem;
    min-width: 150px;
    box-shadow: 0 0 20px var(--glow-primary);
    transition: var(--transition-normal);
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px var(--glow-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.2rem;
    color: var(--accent-primary);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-mono);
    font-size: 1rem;
    text-decoration: none;
    border: 2px solid;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 30px var(--glow-primary);
    transform: translateY(-3px);
}

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

.btn-secondary:hover {
    background: var(--accent-secondary);
    color: var(--bg-primary);
    box-shadow: 0 0 30px var(--glow-secondary);
    transform: translateY(-3px);
}

.btn-tertiary {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-tertiary:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 25px;
    height: 40px;
    border: 2px solid var(--accent-primary);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--accent-primary);
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* ===========================
   Section Styles
   =========================== */
section {
    padding: var(--spacing-xl) 2rem;
    position: relative;
}

.page-section {
    min-height: 100vh;
    padding-top: calc(70px + var(--spacing-lg));
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-top: 1rem;
    max-width: 800px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: #ffffff;
    margin-bottom: 1rem;
    font-weight: 600;
}

.section-line {
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-primary), transparent);
    margin-bottom: 1rem;
}

.subsection-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: #ffffff;
    margin: var(--spacing-lg) 0 var(--spacing-md);
    font-weight: 500;
}

/* ===========================
   About Section
   =========================== */
.about {
    background: var(--bg-secondary);
}

.about-terminal {
    background: var(--bg-primary);
    border: 1px solid var(--accent-primary);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 0 30px var(--glow-primary);
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 0.5rem;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-close { background: #ef4444; }
.btn-minimize { background: #f59e0b; }
.btn-maximize { background: #10b981; }

.terminal-title {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.terminal-body {
    padding: 2rem;
    font-size: 0.95rem;
    line-height: 1.8;
}

.terminal-line {
    margin-bottom: 0.5rem;
}

.prompt {
    color: var(--accent-primary);
}

.terminal-output {
    color: var(--text-secondary);
    margin: 1rem 0 2rem;
    padding-left: 1rem;
}

.achievements-list {
    line-height: 2;
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.skill-category h4 {
    color: var(--accent-secondary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.skill-category ul {
    list-style: none;
    padding-left: 1rem;
}

.skill-category li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    position: relative;
}

.skill-category li::before {
    content: '►';
    color: var(--accent-primary);
    position: absolute;
    left: -1rem;
}

/* ===========================
   Experience Section
   =========================== */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
}

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

.timeline-marker {
    position: absolute;
    left: -6px;
    top: 0;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-primary);
    box-shadow: 0 0 20px var(--glow-green);
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-primary);
    padding: 2rem;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-left-color: var(--accent-secondary);
    box-shadow: 0 5px 30px var(--glow-primary);
    transform: translateX(5px);
}

.timeline-header h3 {
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-bottom: 0.5rem;
}

.company {
    display: block;
    color: var(--accent-secondary);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.date, .location {
    display: inline-block;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-right: 1rem;
}

.timeline-achievements {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.timeline-achievements li {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.6;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.tag {
    background: var(--bg-primary);
    color: var(--accent-primary);
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    border: 1px solid var(--accent-primary);
    border-radius: 3px;
    transition: var(--transition-fast);
}

.tag:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    box-shadow: 0 0 10px var(--glow-primary);
}

/* Education Section */
.education-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.education-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    transition: var(--transition-normal);
    text-align: center;
}

.education-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--glow-primary);
    transform: translateY(-5px);
}

.edu-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.education-card h4 {
    color: var(--accent-primary);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.edu-field {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.edu-school {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.edu-details {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Teaching Section */
.teaching-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.teaching-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-secondary);
    padding: 2rem;
    transition: var(--transition-normal);
}

.teaching-card:hover {
    border-left-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--glow-secondary);
    transform: translateX(5px);
}

.teaching-card h4 {
    color: var(--accent-secondary);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.teach-org {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.teach-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.teach-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===========================
   Portfolio Section
   =========================== */
.portfolio {
    background: var(--bg-secondary);
}

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

.cert-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-normal);
}

.cert-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.2);
    transform: translateY(-5px);
}

.cert-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.cert-card h4 {
    color: var(--accent-primary);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.cert-card p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.cert-date {
    display: block;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

/* Publications */
.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.publication-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-secondary);
    padding: 2rem;
    transition: var(--transition-normal);
}

.publication-card:hover {
    border-left-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--glow-secondary);
}

.award-card {
    border-left-color: var(--accent-warning);
}

.award-card:hover {
    border-left-color: var(--accent-warning);
    box-shadow: 0 0 30px rgba(255, 165, 0, 0.2);
}

.pub-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.publication-card h4 {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.pub-title {
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.pub-journal {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.pub-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.pub-link {
    display: inline-block;
    color: var(--accent-secondary);
    text-decoration: none;
    border-bottom: 1px solid var(--accent-secondary);
    transition: var(--transition-fast);
}

.pub-link:hover {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

/* GitHub Section */
.github-search {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

#github-username {
    flex: 1;
    min-width: 250px;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
}

#github-username:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--glow-primary);
}

.github-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.repo-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.repo-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--glow-primary);
    transform: translateY(-5px);
}

.repo-header {
    margin-bottom: 1rem;
}

.repo-name {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    word-break: break-word;
}

.repo-link {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.repo-link:hover {
    color: var(--accent-secondary);
}

.repo-description {
    color: var(--text-secondary);
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: 1rem;
}

.repo-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.repo-stat {
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.repo-language {
    color: var(--accent-secondary);
}

.loading-message {
    text-align: center;
    color: var(--text-tertiary);
    padding: 3rem;
    grid-column: 1 / -1;
}

/* Affiliations */
.affiliations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.affiliation-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 2rem;
    transition: var(--transition-normal);
}

.affiliation-card:hover {
    border-color: var(--accent-secondary);
    box-shadow: 0 0 30px var(--glow-secondary);
}

.affiliation-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.affiliation-card h4 {
    color: var(--accent-secondary);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.affiliation-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Skills Detailed Section */
.skills-detailed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-detailed-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-primary);
    padding: 2rem;
    transition: var(--transition-normal);
}

.skill-detailed-card:hover {
    border-left-color: var(--accent-secondary);
    box-shadow: 0 0 30px var(--glow-primary);
}

.skill-detailed-card h4 {
    color: var(--accent-primary);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-badge {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    transition: var(--transition-fast);
}

.skill-badge:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

/* Page CTA */
.page-cta {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border: 1px solid var(--accent-primary);
    text-align: center;
    box-shadow: 0 0 30px var(--glow-primary);
}

.page-cta h3 {
    color: var(--accent-primary);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.page-cta p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.page-cta .cta-buttons {
    justify-content: center;
}

/* ===========================
   Blog Section
   =========================== */
.blog {
    background: var(--bg-primary);
}

/* Coming Soon Section */
.coming-soon-section {
    display: flex;
    justify-content: center;
    padding: var(--spacing-xl) 0;
}

.coming-soon-card {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: 8px;
    padding: var(--spacing-lg);
    max-width: 700px;
    text-align: center;
    box-shadow: 0 0 40px var(--glow-primary);
}

.coming-soon-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.coming-soon-card h3 {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.coming-soon-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.coming-soon-subtitle {
    color: var(--text-primary);
    font-weight: 500;
    margin-top: 2rem;
}

.coming-soon-topics {
    list-style: none;
    text-align: left;
    margin: 1.5rem auto 0;
    max-width: 500px;
}

.coming-soon-topics li {
    color: var(--text-secondary);
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    padding-left: 2rem;
}

.coming-soon-topics li::before {
    content: '▸';
    color: var(--accent-primary);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
}

.coming-soon-topics li:last-child {
    border-bottom: none;
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-lg);
}

/* Blog Cards */
.blog-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    transition: var(--transition-normal);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--glow-primary);
    transform: translateY(-5px);
}

.blog-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.blog-category {
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-date {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.blog-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.3;
    transition: var(--transition-fast);
}

.blog-card:hover .blog-title {
    color: var(--accent-primary);
}

.blog-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.blog-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.read-time {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.blog-read-more {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.blog-read-more:hover {
    color: var(--accent-secondary);
}

/* ===========================
   Article Page
   =========================== */
.article-page {
    background: var(--bg-primary);
}

.article-container {
    max-width: 900px;
}

/* Article Header */
.article-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.article-category {
    background: var(--accent-primary);
    color: var(--bg-primary);
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-date,
.article-reading-time {
    color: var(--text-tertiary);
    font-size: 0.95rem;
}

.article-title {
    font-size: clamp(2rem, 5vw, 3rem);
    color: #ffffff;
    margin-bottom: 1rem;
    line-height: 1.2;
    font-weight: 700;
}

.article-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 2rem;
}

.article-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    object-fit: cover;
    object-position: center;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.author-title {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Article Content */
.article-content {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-lead {
    font-size: 1.25rem;
    color: var(--text-primary);
    line-height: 1.7;
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 4px solid var(--accent-primary);
}

.article-content h2 {
    color: #ffffff;
    font-size: 1.8rem;
    margin-top: 3rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.article-content h3 {
    color: var(--accent-primary);
    font-size: 1.3rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.article-content p {
    margin-bottom: 1.5rem;
}

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

.article-content em {
    color: var(--accent-secondary);
    font-style: italic;
}

/* Article Lists */
.article-list {
    margin: 2rem 0;
}

.list-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-primary);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.list-item:hover {
    border-left-color: var(--accent-secondary);
    box-shadow: 0 0 20px var(--glow-primary);
}

.list-item h3 {
    margin-top: 0 !important;
}

.list-item p {
    margin-bottom: 0;
}

.article-bullet-list {
    list-style: none;
    margin: 2rem 0;
    padding-left: 0;
}

.article-bullet-list li {
    padding: 1rem 0 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.article-bullet-list li:last-child {
    border-bottom: none;
}

.article-bullet-list li::before {
    content: '▸';
    color: var(--accent-primary);
    position: absolute;
    left: 0;
    font-size: 1.3rem;
}

.article-closing {
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent-secondary);
    padding: 1.5rem;
    margin-top: 3rem;
    border-radius: 4px;
}

.article-closing p {
    margin-bottom: 0;
    font-size: 1.05rem;
    color: var(--text-secondary);
}

/* Article Footer */
.article-footer {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
    align-items: center;
}

.tag-label {
    color: var(--text-primary);
    font-weight: 600;
}

.article-tags .tag {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.article-tags .tag:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.article-share {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Responsive Article Styles */
@media (max-width: 768px) {
    .article-container {
        padding: 0 1rem;
    }

    .article-content {
        font-size: 1rem;
    }

    .article-lead {
        font-size: 1.1rem;
    }

    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .article-share {
        flex-direction: column;
    }

    .article-share .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===========================
   Contact Section
   =========================== */
.contact {
    background: var(--bg-primary);
}

.contact-terminal {
    max-width: 700px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: 5px;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(0, 255, 65, 0.2);
}

.contact-details {
    margin: 2rem 0;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.contact-label {
    color: var(--accent-primary);
    min-width: 100px;
    font-weight: 600;
}

.contact-item a {
    color: var(--accent-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-item a:hover {
    color: var(--accent-primary);
    text-decoration: underline;
}

/* ===========================
   Footer
   =========================== */
.footer {
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    padding: 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer p {
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--text-secondary);
    font-style: italic;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 14, 23, 0.98);
        width: 100%;
        text-align: center;
        transition: var(--transition-normal);
        padding: 2rem 0;
        border-top: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 5rem 1rem 3rem;
    }

    .hero-headshot {
        width: 150px;
        height: 150px;
    }

    .hero-stats {
        flex-direction: column;
        align-items: center;
    }

    .stat-box {
        width: 100%;
        max-width: 250px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    section {
        padding: var(--spacing-lg) 1rem;
    }

    .timeline::before {
        left: 10px;
    }

    .timeline-item {
        padding-left: 2.5rem;
    }

    .timeline-marker {
        left: 4px;
    }

    .terminal-body {
        padding: 1rem;
        font-size: 0.85rem;
    }

    .skills-grid,
    .education-grid,
    .teaching-grid,
    .certs-grid,
    .publications-grid,
    .github-grid,
    .affiliations-grid {
        grid-template-columns: 1fr;
    }

    .github-search {
        flex-direction: column;
    }

    #github-username {
        width: 100%;
    }

    .contact-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .nav-container {
        padding: 1rem;
    }

    .nav-brand {
        font-size: 0.9rem;
    }
}

/* ===========================
   Utility Classes
   =========================== */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ===========================
   Accessibility
   =========================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}