/* ========================================
   GitHub Dark Dimmed Theme Portfolio
   Using JMH Typewriter Font
   ======================================== */

/* CSS Variables - GitHub Dark Dimmed Theme */
:root {
    /* Background Colors */
    --bg-primary: #1c2128;
    --bg-secondary: #22272e;
    --bg-tertiary: #2d333b;
    --bg-elevated: #373e47;

    /* Text Colors - White & Ash */
    --text-primary: #f0f3f6;
    --text-secondary: #c5ced7;
    --text-muted: #9dacba;
    --text-accent: #b7c5d3;

    /* Accent Colors */
    --accent-primary: #539bf5;
    --accent-secondary: #6bc46d;
    --accent-warning: #c69026;
    --accent-danger: #f47067;
    --accent-purple: #b083f0;

    /* Border Colors */
    --border-primary: #444c56;
    --border-secondary: #373e47;
    --border-muted: #30363d;

    /* Highlights */
    --highlight-glow: rgba(83, 155, 245, 0.15);
    --highlight-hover: rgba(83, 155, 245, 0.1);

    /* Typography */
    --font-mono: 'JMH Typewriter', 'Courier New', Courier, monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

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

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    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: 1.7;
    overflow-x: hidden;
    position: relative;
}

/* Background Animation Canvas */
#matrix-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.4;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-mono);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

p {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

strong {
    font-weight: 700;
    color: var(--text-primary);
}

em {
    font-style: italic;
    color: var(--text-accent);
}

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Highlight Style */
.highlight {
    color: var(--accent-primary);
}

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(28, 33, 40, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-secondary);
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.brand-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    position: relative;
    border-radius: 2px;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: all var(--transition-fast);
    transform: translateX(-50%);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2xl);
    padding: 120px var(--spacing-lg) var(--spacing-2xl);
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 550px;
}

.hero-greeting {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.hero-name {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    position: relative;
}

.hero-name::after {
    content: '|';
    animation: blink 1s infinite;
    color: var(--accent-primary);
}

@keyframes blink {

    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

.hero-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    font-family: var(--font-mono);
    font-size: 0.95rem;
    font-weight: 700;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.btn-primary:hover {
    background: transparent;
    color: var(--accent-primary);
    box-shadow: 0 0 20px var(--highlight-glow);
}

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

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

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

.btn-icon {
    transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
    transform: translateX(5px);
}

/* Hero Visual - Code Window */
.hero-visual {
    flex: 1;
    max-width: 500px;
}

.code-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.window-header {
    background: var(--bg-tertiary);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    border-bottom: 1px solid var(--border-secondary);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red {
    background: var(--accent-danger);
}

.dot.yellow {
    background: var(--accent-warning);
}

.dot.green {
    background: var(--accent-secondary);
}

.window-title {
    margin-left: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 700;
}

.code-content {
    padding: var(--spacing-md);
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: hidden;
}

.code-content code {
    font-family: var(--font-mono);
}

.keyword {
    color: var(--accent-danger);
    font-weight: 700;
}

.variable {
    color: var(--text-primary);
    font-weight: 700;
}

.property {
    color: var(--accent-primary);
    font-weight: 700;
}

.string {
    color: var(--accent-secondary);
    font-weight: 700;
}

.boolean {
    color: var(--accent-purple);
    font-weight: 700;
}

/* ========================================
   Sections Common Styles
   ======================================== */
.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-primary);
}

/* ========================================
   About Section
   ======================================== */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-frame {
    width: 250px;
    height: 250px;
    border-radius: var(--radius-xl);
    border: 3px solid var(--border-primary);
    padding: 5px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-purple));
}

.profile-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.initials {
    font-size: 4rem;
    font-weight: 700;
    color: var(--text-muted);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-text .lead-text {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: flex;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-secondary);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 700;
}

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

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.skill-category {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
    transition: all var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px var(--highlight-glow);
}

.category-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--accent-primary);
}

.skill-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.skill-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-sm);
    align-items: center;
}

.skill-icon {
    font-size: 1.3rem;
}

.skill-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.skill-level {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.level-learning {
    background: rgba(187, 128, 9, 0.2);
    color: #f0c239;
    border: 1px solid rgba(187, 128, 9, 0.4);
}

.level-intermediate {
    background: rgba(83, 155, 245, 0.2);
    color: var(--accent-primary);
    border: 1px solid rgba(83, 155, 245, 0.4);
}

.level-advanced {
    background: rgba(87, 171, 90, 0.2);
    color: var(--accent-secondary);
    border: 1px solid rgba(87, 171, 90, 0.4);
}

.level-expert {
    background: rgba(154, 134, 253, 0.2);
    color: var(--accent-purple);
    border: 1px solid rgba(154, 134, 253, 0.4);
}

/* ========================================
   Projects Section
   ======================================== */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.project-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.project-image {
    position: relative;
    height: 200px;
    background: var(--bg-tertiary);
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-elevated));
}

.project-icon {
    font-size: 4rem;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(83, 155, 245, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    font-weight: 700;
    color: var(--bg-primary);
    font-size: 1.1rem;
}

.project-content {
    padding: var(--spacing-md);
}

.project-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.tag {
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-secondary);
}

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

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.contact-info>p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-item div {
    display: flex;
    flex-direction: column;
}

.contact-item div strong {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 700;
}

.contact-item div a,
.contact-item div span {
    color: var(--text-primary);
    font-weight: 700;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Contact Form */
.contact-form {
    background: var(--bg-tertiary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-secondary);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 700;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--highlight-glow);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-primary);
    border-top: 1px solid var(--border-secondary);
    padding: var(--spacing-lg) 0;
}

.footer-content {
    text-align: center;
}

.copyright {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 700;
}

.footer-quote {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.hero-content,
.hero-visual,
.section-title,
.about-content,
.skills-grid,
.projects-grid,
.contact-content {
    animation: fadeInUp 0.8s ease forwards;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 100px;
    }

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

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

    .hero-visual {
        max-width: 100%;
        width: 100%;
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-stats {
        justify-content: center;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .nav-toggle {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-lg);
        gap: var(--spacing-sm);
        border-bottom: 1px solid var(--border-secondary);
        transform: translateY(-150%);
        transition: transform var(--transition-normal);
    }

    .nav-links.active {
        transform: translateY(0);
    }

    .hero-name {
        font-size: 2.5rem;
    }

    .hero-title {
        font-size: 1.4rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .image-frame {
        width: 200px;
        height: 200px;
    }

    .initials {
        font-size: 3rem;
    }

    .about-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .skill-bar {
        width: 70px;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }

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

    .stat-number {
        font-size: 2rem;
    }

    .project-tags {
        gap: 4px;
    }

    .tag {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
}