/* ============================================
   NEOBRUTALIST PERSONAL WEBSITE STYLESHEET
   ============================================
   
   Table of Contents:
   1. CSS Variables / Design Tokens
   2. Base Styles & Typography
   3. Navigation
   4. Hero Section
   5. Sections & Cards
   6. Skills Section
   7. Timeline
   8. Contact & Forms
   9. Art Gallery
   10. Modal
   11. Footer
   12. Utilities & Animations
   13. Responsive Styles
   
   ============================================ */

/* ============================================
   1. CSS VARIABLES / DESIGN TOKENS
   ============================================ */
:root {
    /* Primary Colors */
    --neo-black: #1a1a1a;
    --neo-white: #fafafa;
    --neo-cream: #f5f0e8;
    
    /* Accent Colors - Modify these for different themes */
    --neo-primary: #22c55e;
    --neo-primary-dark: #16a34a;
    --neo-secondary: #2196f3;
    --neo-accent: #bbf7d0;
    --neo-accent-alt: #4caf50;
    
    /* Neutral Colors */
    --neo-gray-100: #f5f5f5;
    --neo-gray-200: #eeeeee;
    --neo-gray-300: #e0e0e0;
    --neo-gray-400: #bdbdbd;
    --neo-gray-500: #9e9e9e;
    --neo-gray-600: #757575;
    --neo-gray-700: #616161;
    --neo-gray-800: #424242;
    --neo-gray-900: #212121;
    
    /* Border & Shadow */
    --neo-border-width: 3px;
    --neo-border-color: var(--neo-black);
    --neo-shadow-offset: 5px;
    --neo-shadow-color: var(--neo-black);
    
    /* Typography */
    --neo-font-primary: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --neo-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    --neo-font-display: 'Space Grotesk', 'Bebas Neue', sans-serif;
    
    /* Spacing */
    --neo-space-xs: 0.25rem;
    --neo-space-sm: 0.5rem;
    --neo-space-md: 1rem;
    --neo-space-lg: 1.5rem;
    --neo-space-xl: 2rem;
    --neo-space-xxl: 3rem;
    --neo-space-xxxl: 5rem;
    
    /* Transitions */
    --neo-transition-fast: 0.15s ease;
    --neo-transition-normal: 0.3s ease;
    --neo-transition-slow: 0.5s ease;
    
    /* Border Radius */
    --neo-radius-none: 0;
    --neo-radius-sm: 4px;
    --neo-radius-md: 8px;
}

/* ============================================
   2. BASE STYLES & TYPOGRAPHY
   ============================================ */
@import url('./fonts.css');

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--neo-font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--neo-black);
    background-color: var(--neo-cream);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--neo-font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 8vw, 5rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1rem, 2vw, 1.25rem); }

p {
    margin-bottom: var(--neo-space-md);
}

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

a:hover {
    color: var(--neo-primary-dark);
}

::selection {
    background-color: var(--neo-accent);
    color: var(--neo-black);
}

/* ============================================
   3. NAVIGATION
   ============================================ */
.neo-navbar {
    background-color: var(--neo-white);
    border-bottom: var(--neo-border-width) solid var(--neo-border-color);
    padding: var(--neo-space-md) 0;
    z-index: 1000;
}

.neo-brand {
    font-family: var(--neo-font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--neo-black) !important;
    letter-spacing: -0.05em;
}

.neo-link {
    font-family: var(--neo-font-primary);
    font-size: 1rem;
    font-weight: 600;
    color: var(--neo-black) !important;
    padding: var(--neo-space-sm) var(--neo-space-md) !important;
    margin: 0 var(--neo-space-xs);
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.neo-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: var(--neo-border-width);
    background-color: var(--neo-primary);
    transition: var(--neo-transition-normal);
    transform: translateX(-50%);
}

.neo-link:hover::after {
    width: 80%;
}

.neo-link-highlight {
    background-color: var(--neo-accent);
    border: var(--neo-border-width) solid var(--neo-border-color);
    box-shadow: 3px 3px 0 var(--neo-shadow-color);
}

.neo-link-highlight:hover {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--neo-shadow-color);
}

.neo-link-active {
    background-color: var(--neo-primary) !important;
    color: var(--neo-white) !important;
}

.neo-toggler {
    border: var(--neo-border-width) solid var(--neo-border-color);
    border-radius: var(--neo-radius-none);
}

/* ============================================
   4. HERO SECTION
   ============================================ */
.neo-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--neo-space-md) 0;
    padding-top: 0;
    margin-top: -60px;
    background: linear-gradient(135deg, var(--neo-cream) 0%, var(--neo-white) 100%);
    position: relative;
    overflow: hidden;
}

.neo-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 2px 2px, var(--neo-gray-300) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0.5;
}

.neo-hero-content {
    position: relative;
    z-index: 1;
}

.neo-label {
    font-family: var(--neo-font-mono);
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--neo-gray-600);
    margin-bottom: var(--neo-space-sm);
}

.neo-title {
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 700;
    line-height: 0.95;
    margin-bottom: var(--neo-space-md);
    color: var(--neo-black);
    text-transform: uppercase;
}

.neo-title span {
    color: var(--neo-primary);
}

.neo-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--neo-gray-700);
    margin-bottom: var(--neo-space-xl);
}

.neo-hero-buttons {
    display: flex;
    gap: var(--neo-space-md);
    flex-wrap: wrap;
}

/* ASCII Art Container */
.neo-ascii-container {
    background-color: var(--neo-black);
    border: var(--neo-border-width) solid var(--neo-border-color);
    box-shadow: 8px 8px 0 var(--neo-primary);
    padding: var(--neo-space-lg);
    position: relative;
    overflow: hidden;
}

.neo-ascii-art {
    font-family: 'Courier New', Courier, monospace;
    font-size: clamp(0.4rem, 0.5vw, 0.7rem);
    line-height: 1;
    letter-spacing: 0;
    color: var(--neo-white);
    white-space: pre;
    margin: 0;
    overflow-x: auto;
    /* Ensure equal character width for ASCII art */
    font-variant-ligatures: none;
    -webkit-font-feature-settings: "liga" 0;
    font-feature-settings: "liga" 0;
    -webkit-text-size-adjust: none;
    text-rendering: optimizeSpeed;
}

.neo-ascii-caption {
    font-family: var(--neo-font-mono);
    font-size: 0.875rem;
    color: var(--neo-gray-400);
    text-align: center;
    margin-top: var(--neo-space-md);
    margin-bottom: 0;
}

/* ============================================
   5. SECTIONS & CARDS
   ============================================ */
.neo-section {
    padding: var(--neo-space-xxxl) 0;
    position: relative;
}

.neo-section-alt {
    background-color: var(--neo-white);
}

.neo-section-header {
    margin-bottom: var(--neo-space-xxl);
    display: flex;
    align-items: center;
    gap: var(--neo-space-md);
}

.neo-section-number {
    font-family: var(--neo-font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--neo-white);
    background-color: var(--neo-primary);
    padding: var(--neo-space-sm) var(--neo-space-md);
    border: var(--neo-border-width) solid var(--neo-border-color);
}

.neo-section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    text-transform: uppercase;
    position: relative;
}

.neo-section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: var(--neo-border-width);
    background-color: var(--neo-primary);
    margin-top: var(--neo-space-sm);
}

/* Cards */
.neo-card {
    background-color: var(--neo-white);
    border: var(--neo-border-width) solid var(--neo-border-color);
    padding: var(--neo-space-xl);
    transition: var(--neo-transition-normal);
}

.neo-card-large {
    box-shadow: var(--neo-shadow-offset) var(--neo-shadow-offset) 0 var(--neo-shadow-color);
}

.neo-card-highlight {
    background-color: var(--neo-accent);
    box-shadow: var(--neo-shadow-offset) var(--neo-shadow-offset) 0 var(--neo-shadow-color);
}

.neo-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: calc(var(--neo-shadow-offset) + 2px) calc(var(--neo-shadow-offset) + 2px) 0 var(--neo-shadow-color);
}

.neo-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--neo-space-md);
    text-transform: uppercase;
}

.neo-text-large {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    font-weight: bold;
    line-height: 1.7;
    color: var(--neo-gray-800);
}

.neo-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--neo-gray-700);
}

.neo-list {
    list-style: none;
    padding: 0;
}

.neo-list li {
    padding: var(--neo-space-sm) 0;
    border-bottom: 2px dashed var(--neo-gray-400);
}

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

/* ============================================
   6. SKILLS SECTION
   ============================================ */
/* Skills Tags Container */
.neo-skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--neo-space-sm);
}

/* Small Tag-like Skill Cards */
.neo-skill-tag {
    display: inline-block;
    font-family: var(--neo-font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    padding: var(--neo-space-sm) var(--neo-space-md);
    background-color: var(--neo-white);
    border: 2px solid var(--neo-border-color);
    box-shadow: 3px 3px 0 var(--neo-shadow-color);
    transition: var(--neo-transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}

.neo-skill-tag:hover {
    background-color: var(--neo-primary);
    color: var(--neo-white);
    transform: translate(1px, 1px);
    box-shadow: 2px 2px 0 var(--neo-shadow-color);
}

.neo-skill-tag:active {
    transform: translate(3px, 3px);
    box-shadow: 0px 0px 0 var(--neo-shadow-color);
    transition: transform 0.05s, box-shadow 0.05s;
}

.neo-skill-tag--highlight {
    background-color: var(--neo-accent);
}

/* Legacy support - hide old skill card elements */
.neo-skill-card,
.neo-skill-icon,
.neo-skill-title,
.neo-skill-list {
    display: none;
}

/* ============================================
   7. TIMELINE
   ============================================ */

/* Timeline Toggle Buttons */
.neo-timeline-toggle {
    display: flex;
    gap: var(--neo-space-sm);
    margin-left: auto;
}

.neo-toggle-btn {
    font-family: var(--neo-font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    padding: var(--neo-space-sm) var(--neo-space-md);
    background-color: var(--neo-white);
    border: 2px solid var(--neo-border-color);
    cursor: pointer;
    transition: var(--neo-transition-fast);
    display: flex;
    align-items: center;
    gap: var(--neo-space-xs);
}

.neo-toggle-btn:hover {
    background-color: var(--neo-gray-200);
}

.neo-toggle-btn.active {
    background-color: var(--neo-primary);
    color: var(--neo-black);
}

/* Timeline View Container */
.neo-timeline-view {
    display: none;
}

.neo-timeline-view.active {
    display: block;
}

/* Classic Timeline Styles */
.neo-timeline {
    position: relative;
    padding-left: var(--neo-space-xxl);
}

.neo-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--neo-border-width);
    background-color: var(--neo-border-color);
}

.neo-timeline-item {
    position: relative;
    margin-bottom: var(--neo-space-xxl);
    --neo-item-color: var(--neo-primary);
}

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

.neo-timeline-marker {
    position: absolute;
    left: calc(-1 * var(--neo-space-xxl) - 8px);
    top: 0;
    width: 20px;
    height: 20px;
    background-color: var(--neo-item-color, var(--neo-primary));
    border: var(--neo-border-width) solid var(--neo-border-color);
}

.neo-timeline-marker-alt {
    background-color: var(--neo-item-color, var(--neo-accent));
}

.neo-timeline-content {
    background-color: var(--neo-white);
    border: var(--neo-border-width) solid var(--neo-border-color);
    padding: var(--neo-space-xl);
    box-shadow: var(--neo-shadow-offset) var(--neo-shadow-offset) 0 var(--neo-shadow-color);
    transition: var(--neo-transition-normal);
}

.neo-timeline-content:hover {
    transform: translate(-3px, -3px);
    box-shadow: calc(var(--neo-shadow-offset) + 3px) calc(var(--neo-shadow-offset) + 3px) 0 var(--neo-shadow-color);
}

.neo-timeline-date {
    font-family: var(--neo-font-mono);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--neo-item-color, var(--neo-primary));
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Gantt Chart Styles */
.neo-gantt-timeline {
    position: relative;
    padding-top: var(--neo-space-xl);
}

.neo-gantt-years {
    display: flex;
    justify-content: space-between;
    padding: 0 0 var(--neo-space-md) 0;
    border-bottom: var(--neo-border-width) solid var(--neo-border-color);
    margin-bottom: var(--neo-space-lg);
}

.neo-gantt-year {
    font-family: var(--neo-font-mono);
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--neo-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    flex: 0 0 auto;
    width: 0;
    text-align: center;
    white-space: nowrap;
    transform: translateX(-50%);
}

.neo-gantt-year:first-child {
    text-align: left;
    transform: translateX(0);
}

.neo-gantt-year:last-child {
    text-align: right;
    transform: translateX(-100%);
}

.neo-gantt-grid {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 0;
}

.neo-gantt-today {
    position: absolute;
    top: 60px;
    bottom: 0;
    width: 0;
    border-left: 2px dashed var(--neo-black);
    pointer-events: none;
    z-index: 2;
}

.neo-gantt-today-label {
    position: absolute;
    bottom: -26px;
    left: 0;
    transform: translateX(-50%);
    font-family: var(--neo-font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--neo-black);
    background-color: var(--neo-white);
    border: 2px solid var(--neo-border-color);
    padding: 2px 6px;
    white-space: nowrap;
}

.neo-gantt-gridline {
    width: 1px;
    background-color: var(--neo-gray-300);
    height: 100%;
}

.neo-gantt-rows {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--neo-space-lg);
    z-index: 1;
}

.neo-gantt-row {
    position: relative;
    min-height: 50px;
    --neo-item-color: var(--neo-primary);
}


.neo-gantt-bar {
    position: absolute;
    top: 0;
    height: 50px;
    background-color: var(--neo-item-color, var(--neo-primary));
    border: var(--neo-border-width) solid var(--neo-border-color);
    display: flex;
    align-items: center;
    padding: 0 var(--neo-space-md);
    cursor: pointer;
    transition: var(--neo-transition-normal);
    box-shadow: 3px 3px 0 var(--neo-shadow-color);
    overflow: hidden;
    z-index: 1;
}

.neo-gantt-bar-future {
    position: absolute;
    top: 0;
    bottom: 0;
    background-image: repeating-linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.35) 0,
        rgba(255, 255, 255, 0.35) 6px,
        rgba(255, 255, 255, 0.05) 6px,
        rgba(255, 255, 255, 0.05) 14px
    );
    pointer-events: none;
    z-index: 2;
}

.neo-gantt-bar:hover {
    transform: translateY(-2px);
    box-shadow: 5px 5px 0 var(--neo-shadow-color);
}

.neo-gantt-bar-alt {
    background-color: var(--neo-item-color, var(--neo-accent));
}

.neo-gantt-bar-point {
    background-color: var(--neo-item-color, var(--neo-secondary));
    min-width: 80px;
}

.neo-gantt-bar-label {
    font-family: var(--neo-font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--neo-black);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.neo-gantt-detail {
    display: none;
    background-color: var(--neo-white);
    border: var(--neo-border-width) solid var(--neo-border-color);
    padding: var(--neo-space-xl);
    margin-top: 60px;
    box-shadow: var(--neo-shadow-offset) var(--neo-shadow-offset) 0 var(--neo-shadow-color);
    animation: slideDown 0.3s ease;
    position: relative;
    z-index: 3;
}

.neo-gantt-row.active .neo-gantt-detail {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.neo-timeline-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 var(--neo-space-sm) 0;
}

.neo-timeline-company {
    font-size: 1rem;
    font-weight: 600;
    color: var(--neo-item-color, var(--neo-primary));
    margin-bottom: var(--neo-space-md);
}

.neo-timeline-description {
    font-size: 0.95rem;
    color: var(--neo-gray-700);
    line-height: 1.7;
}

.neo-timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--neo-space-sm);
    margin-top: var(--neo-space-md);
}

.neo-tag {
    font-family: var(--neo-font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    padding: var(--neo-space-xs) var(--neo-space-sm);
    background-color: var(--neo-gray-200);
    border: 2px solid var(--neo-border-color);
    text-transform: uppercase;
}

/* ============================================
   8. CONTACT & FORMS
   ============================================ */
.neo-contact-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--neo-space-md);
    margin-top: var(--neo-space-xl);
}

.neo-contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--neo-space-sm);
    padding: var(--neo-space-xl) var(--neo-space-lg);
    background-color: var(--neo-white);
    border: var(--neo-border-width) solid var(--neo-border-color);
    box-shadow: var(--neo-shadow-offset) var(--neo-shadow-offset) 0 var(--neo-shadow-color);
    color: var(--neo-black);
    transition: var(--neo-transition-normal);
    text-align: center;
}

.neo-contact-item:hover {
    background-color: var(--neo-primary);
    color: var(--neo-white);
    transform: translate(-2px, -2px);
    box-shadow: calc(var(--neo-shadow-offset) + 2px) calc(var(--neo-shadow-offset) + 2px) 0 var(--neo-shadow-color);
}

.neo-contact-item i {
    font-size: 2rem;
}

.neo-contact-item svg {
    width: 2rem;
    height: 2rem;
}

.neo-contact-item span {
    font-family: var(--neo-font-mono);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Forms */
.neo-form {
    background-color: var(--neo-white);
    border: var(--neo-border-width) solid var(--neo-border-color);
    padding: var(--neo-space-xl);
    box-shadow: var(--neo-shadow-offset) var(--neo-shadow-offset) 0 var(--neo-shadow-color);
}

.neo-form-group {
    margin-bottom: var(--neo-space-lg);
}

.neo-form-group .neo-label {
    display: block;
    margin-bottom: var(--neo-space-sm);
    font-weight: 600;
    color: var(--neo-black);
}

.neo-input {
    width: 100%;
    padding: var(--neo-space-md);
    font-family: var(--neo-font-primary);
    font-size: 1rem;
    border: var(--neo-border-width) solid var(--neo-border-color);
    background-color: var(--neo-white);
    transition: var(--neo-transition-fast);
}

.neo-input:focus {
    outline: none;
    box-shadow: 4px 4px 0 var(--neo-accent);
}

.neo-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Buttons */
.neo-btn {
    display: inline-block;
    font-family: var(--neo-font-primary);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--neo-space-md) var(--neo-space-xl);
    border: var(--neo-border-width) solid var(--neo-border-color);
    cursor: pointer;
    transition: var(--neo-transition-fast);
    text-align: center;
}

.neo-btn-primary {
    background-color: var(--neo-primary);
    color: var(--neo-white);
    box-shadow: var(--neo-shadow-offset) var(--neo-shadow-offset) 0 var(--neo-shadow-color);
}

.neo-btn-primary:hover {
    background-color: var(--neo-primary-dark);
    color: var(--neo-white);
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0 var(--neo-shadow-color);
}

.neo-btn-secondary {
    background-color: var(--neo-white);
    color: var(--neo-black);
    box-shadow: var(--neo-shadow-offset) var(--neo-shadow-offset) 0 var(--neo-shadow-color);
}

.neo-btn-secondary:hover {
    background-color: var(--neo-accent);
    color: var(--neo-black);
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0 var(--neo-shadow-color);
}

.neo-btn-full {
    width: 100%;
}

/* ============================================
   9. ART GALLERY
   ============================================ */
.art-container{
    max-width: calc(2560px - 9rem);
}

.neo-art-hero {
    padding: var(--neo-space-xxxl) 0 var(--neo-space-xl);
    background-color: var(--neo-white);
    border-bottom: var(--neo-border-width) solid var(--neo-border-color);
}

.neo-filter-section {
    padding: var(--neo-space-lg) 0;
    background-color: var(--neo-cream);
    border-bottom: var(--neo-border-width) solid var(--neo-border-color);
    position: sticky;
    top: 70px;
    z-index: 100;
}

.neo-filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--neo-space-sm);
}

.neo-filter-btn {
    font-family: var(--neo-font-primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--neo-space-sm) var(--neo-space-lg);
    background-color: var(--neo-white);
    border: var(--neo-border-width) solid var(--neo-border-color);
    cursor: pointer;
    transition: var(--neo-transition-fast);
}

.neo-filter-btn:hover,
.neo-filter-btn.active {
    background-color: var(--neo-black);
    color: var(--neo-white);
}

/* Gallery Grid */
.neo-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-flow: dense;
    gap: var(--neo-space-lg);
}

.neo-gallery-item {
    cursor: pointer;
    transition: var(--neo-transition-normal);
}

.neo-gallery-item.hidden {
    display: none;
}

/* Random size variations - assigned by JS */
.neo-gallery-item.size-large {
    grid-column: span 2;
}

.neo-gallery-item.size-tall {
    grid-row: span 2;
}

.neo-gallery-item.size-featured {
    grid-column: span 2;
    grid-row: span 2;
}

@media (max-width: 992px) {
    .neo-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .neo-gallery-item.size-large,
    .neo-gallery-item.size-featured {
        grid-column: span 2;
    }
    
    .neo-gallery-item.size-tall,
    .neo-gallery-item.size-featured {
        grid-row: span 1;
    }
}

@media (max-width: 768px) {
    .neo-gallery {
        grid-template-columns: 1fr;
    }
    
    .neo-gallery-item.size-large,
    .neo-gallery-item.size-tall,
    .neo-gallery-item.size-featured {
        grid-column: span 1;
        grid-row: span 1;
    }
}

.neo-project-card {
    height: 100%;
    background-color: var(--neo-white);
    border: var(--neo-border-width) solid var(--neo-border-color);
    overflow: hidden;
    transition: var(--neo-transition-normal);
}

.neo-project-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 8px 8px 0 var(--neo-shadow-color);
}

.neo-project-image {
    position: relative;
    overflow: hidden;
    background-color: var(--neo-gray-200);
    min-height: 120px;
}

.neo-project-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--neo-transition-slow);
}

.neo-project-card:hover .neo-project-image img {
    transform: scale(1.02);
}

.neo-project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(26, 26, 26, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--neo-transition-normal);
}

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

.neo-project-view {
    font-family: var(--neo-font-primary);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--neo-white);
    padding: var(--neo-space-md) var(--neo-space-xl);
    border: var(--neo-border-width) solid var(--neo-white);
    transition: var(--neo-transition-fast);
}

.neo-project-view:hover {
    background-color: var(--neo-primary);
    border-color: var(--neo-primary);
}

.neo-project-info {
    padding: var(--neo-space-lg);
    border-top: var(--neo-border-width) solid var(--neo-border-color);
}

.neo-project-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--neo-space-xs);
}

.neo-project-category {
    font-family: var(--neo-font-mono);
    font-size: 0.8rem;
    color: var(--neo-gray-600);
    text-transform: uppercase;
    margin: 0;
}

/* ============================================
   10. MODAL
   ============================================ */
.neo-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 26, 26, 0.95);
    z-index: 2000;
    padding: var(--neo-space-xl);
    overflow-y: auto;
}

.neo-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.neo-modal-content {
    width: 100%;
    max-width: 1200px;
    background-color: var(--neo-white);
    border: var(--neo-border-width) solid var(--neo-border-color);
    position: relative;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.neo-modal-close {
    position: absolute;
    top: var(--neo-space-md);
    right: var(--neo-space-md);
    width: 50px;
    height: 50px;
    background-color: var(--neo-black);
    color: var(--neo-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    z-index: 10;
    transition: var(--neo-transition-fast);
}

.neo-modal-close:hover {
    background-color: var(--neo-primary);
}

.neo-modal-header {
    padding: var(--neo-space-xl);
    border-bottom: var(--neo-border-width) solid var(--neo-border-color);
}

.neo-modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    padding-right: 60px;
}

.neo-modal-body {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--neo-space-lg);
}

.neo-modal-body iframe {
    width: 100%;
    height: 70vh;
    border: none;
}

.neo-modal-body img {
    max-width: 100%;
    max-height: 75vh;
    object-fit: contain;
    display: block;
}

.neo-modal-image-content {
    max-width: 90vw;
    width: auto;
}

/* ============================================
   11. FOOTER
   ============================================ */
.neo-footer {
    background-color: var(--neo-black);
    color: var(--neo-white);
    padding: var(--neo-space-xl) 0;
    border-top: var(--neo-border-width) solid var(--neo-accent);
}

.neo-footer-text {
    font-size: 0.9rem;
    color: var(--neo-gray-400);
    margin: 0;
}

.neo-footer-links {
    display: flex;
    justify-content: flex-end;
    gap: var(--neo-space-md);
}

.neo-footer-links a {
    color: var(--neo-white);
    font-size: 1.5rem;
    transition: var(--neo-transition-fast);
}

.neo-footer-links a:hover {
    color: var(--neo-primary);
    transform: translateY(-3px);
}

.neo-footer-links a svg {
    vertical-align: -0.125em;
}

/* ============================================
   12. UTILITIES & ANIMATIONS
   ============================================ */
.neo-divider {
    width: 100%;
    height: var(--neo-border-width);
    background-color: var(--neo-border-color);
    margin: var(--neo-space-xxl) 0;
}

.neo-highlight {
    background-color: var(--neo-accent);
    padding: 0 var(--neo-space-xs);
}

/* Simple fade-in animation */
@keyframes neo-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.neo-animate {
    animation: neo-fade-in 0.6s ease forwards;
}

/* Stagger delays for children */
.neo-stagger > *:nth-child(1) { animation-delay: 0.1s; }
.neo-stagger > *:nth-child(2) { animation-delay: 0.2s; }
.neo-stagger > *:nth-child(3) { animation-delay: 0.3s; }
.neo-stagger > *:nth-child(4) { animation-delay: 0.4s; }
.neo-stagger > *:nth-child(5) { animation-delay: 0.5s; }
.neo-stagger > *:nth-child(6) { animation-delay: 0.6s; }

/* ============================================
   13. RESPONSIVE STYLES
   ============================================ */
@media (max-width: 991px) {
    .neo-hero {
        padding-top: 60px;
        margin-top: 0;
    }
    
    .neo-ascii-container {
        margin-bottom: var(--neo-space-xxl);
    }
    
    .neo-gantt-bar-label {
        font-size: 0.75rem;
    }
    
    .neo-gantt-bar {
        height: 40px;
    }
    
    .neo-gantt-detail {
        margin-top: 50px;
    }
    
    .neo-timeline {
        padding-left: var(--neo-space-xl);
    }
    
    .neo-timeline-marker {
        left: calc(-1 * var(--neo-space-xl) - 8px);
    }
}

@media (max-width: 767px) {
    .neo-section {
        padding: var(--neo-space-xxl) 0;
    }
    
    .neo-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--neo-space-md);
    }
    
    .neo-timeline-toggle {
        width: 100%;
    }
    
    .neo-toggle-btn {
        flex: 1;
        justify-content: center;
    }
    
    .neo-hero-buttons {
        flex-direction: column;
    }
    
    .neo-btn {
        width: 100%;
    }
    
    .neo-ascii-art {
        font-size: 0.35rem;
    }
    
    .neo-filter-buttons {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: var(--neo-space-sm);
    }
    
    .neo-filter-btn {
        flex-shrink: 0;
    }
    
    .neo-footer-links {
        justify-content: center;
        margin-top: var(--neo-space-md);
    }
    
    .neo-modal-body iframe {
        height: 50vh;
    }
    
    /* Gantt timeline mobile styles */
    .neo-gantt-years {
        font-size: 0.7rem;
    }
    
    .neo-gantt-bar {
        height: 35px;
        padding: 0 var(--neo-space-sm);
    }
    
    .neo-gantt-bar-label {
        font-size: 0.65rem;
    }
    
    .neo-gantt-detail {
        margin-top: 45px;
        padding: var(--neo-space-lg);
    }
    
    .neo-gantt-bar-point {
        min-width: 60px;
    }
}

@media (max-width: 576px) {
    .neo-card,
    .neo-form,
    .neo-gantt-detail {
        padding: var(--neo-space-lg);
    }
    
    .neo-gallery {
        grid-template-columns: 1fr;
    }
}

/* Print Styles */
@media print {
    .neo-navbar,
    .neo-footer,
    .neo-modal {
        display: none !important;
    }
    
    .neo-section {
        page-break-inside: avoid;
    }
    
    body {
        background-color: white;
    }
}