/* CSS Variables - Minimalist Dark Theme */
:root {
    /* Backgrounds - Dark Grayscale */
    --bg-primary: #0d0d0d;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #262626;
    --bg-elevated: #2a2a2a;
    
    /* Text Colors - High Contrast */
    --text-primary: #ffffff;
    --text-secondary: #e5e5e5;
    --text-tertiary: #a3a3a3;
    --text-muted: #737373;
    
    /* Borders - Subtle Grays */
    --border-subtle: #333333;
    --border-default: #404040;
    --border-strong: #525252;
    
    /* Accent Color - Single Purple (Use Sparingly) */
    --accent-primary: #6366f1;
    --accent-primary-hover: #5558e3;
    --accent-success: #10b981;
    
    /* Legacy Aliases for Compatibility */
    --background-dark: var(--bg-primary);
    --background-card: var(--bg-secondary);
    --background-panel: var(--bg-tertiary);
    --background-darker: var(--bg-primary);
    --text-light: var(--text-primary);
    
    /* Spacing System - 8px Base Unit */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-6: 48px;
    --space-8: 64px;
    --space-12: 96px;
    
    /* Legacy Spacing (for gradual migration) */
    --spacing-sm: var(--space-2);
    --spacing-md: var(--space-4);
    --spacing-lg: var(--space-6);
    --spacing-xl: var(--space-8);
    
    /* Border & Layout */
    --border-radius: 8px;
    --max-width: 1200px;
    
    /* Transitions - Fast & Subtle */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Mobile-first touch optimizations */
* {
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Re-enable text selection for content */
p, h1, h2, h3, h4, h5, h6, span, div {
    -webkit-user-select: text;
    -khtml-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

@font-face {
    font-family: 'system';
    src: local('system-ui'), local('-apple-system'), local('BlinkMacSystemFont'), local('Segoe UI'), local('Roboto');
    font-display: swap;
}

body {
    font-family: 'Inter', 'system', 'SF Pro Display', 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    contain: layout style;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    loading: lazy;
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--space-3);
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

h2 {
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-3);
}

h3 {
    font-size: clamp(1.5rem, 4vw, 1.875rem);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

p {
    margin-bottom: var(--space-4);
}

/* Navigation */
.navbar {
    background: rgba(13, 13, 13, 0);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-subtle);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: background 0.3s ease, backdrop-filter 0.3s ease, box-shadow var(--transition-fast), border-color 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border-bottom-color: rgba(99, 102, 241, 0.3);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-2) var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-logo {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.125rem;
    transition: opacity var(--transition-fast);
}

.nav-logo:hover {
    opacity: 0.7;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
}

.lang-toggle {
    background-color: transparent;
    padding: 0 var(--space-2);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-subtle);
}

.lang-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    margin: 0 var(--space-1);
    transition: color var(--transition-fast);
}

.lang-link:hover {
    color: var(--text-primary);
}

.lang-link.active {
    color: var(--text-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-6);
    margin-right: 100px; /* Make room for language toggle */
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.nav-menu a.active {
    color: var(--text-primary);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent-primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Hero section */
.hero {
    padding: var(--space-12) var(--space-4);
    padding-top: calc(var(--space-12) + 80px); /* Account for fixed navbar */
    min-height: 100vh;
    background:
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        var(--bg-primary);
    background-size: 200% 200%;
    animation: gradientFloat 15s ease infinite;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Hero network-image overlay (first provided image) */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('assets/network-hero.png.png');
    background-size: cover;
    background-position: center;
    opacity: 0.4;
    mix-blend-mode: soft-light;
    transform: translate3d(0, var(--hero-bg-offset, 0px), 0);
    transition: transform 0.1s linear;
    pointer-events: none;
    z-index: 0;
}

@keyframes gradientFloat {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.8), transparent);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
    filter: blur(1px);
    pointer-events: none;
    z-index: 1;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(30px, -30px); }
    50% { transform: translate(-20px, 20px); }
    75% { transform: translate(20px, 30px); }
}


.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    width: 100%;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-logo {
    display: none;
}

.hero-title-wrapper {
    position: relative;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.terminal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 26, 0.95);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 12px;
    padding: 20px;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    z-index: 10;
    box-shadow: 
        0 0 30px rgba(99, 102, 241, 0.2),
        inset 0 0 20px rgba(99, 102, 241, 0.05);
}

.terminal-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.5);
}

.terminal-dot:nth-child(1) {
    background: rgba(239, 68, 68, 0.6);
}

.terminal-dot:nth-child(2) {
    background: rgba(234, 179, 8, 0.6);
}

.terminal-dot:nth-child(3) {
    background: rgba(34, 197, 94, 0.6);
}

.terminal-title {
    margin-left: auto;
    color: rgba(99, 102, 241, 0.8);
    font-size: 12px;
    letter-spacing: 0.5px;
}

.terminal-content {
    min-height: 80px;
    margin-bottom: 20px;
}

.terminal-line {
    color: #06b6d4;
    font-size: 14px;
    line-height: 1.8;
    font-family: 'JetBrains Mono', 'Courier New', monospace;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.terminal-line.visible {
    opacity: 1;
    transform: translateX(0);
}

.terminal-line::before {
    content: '$ ';
    color: rgba(99, 102, 241, 0.8);
    margin-right: 8px;
}

.terminal-progress {
    margin-top: 20px;
}

.progress-label {
    color: rgba(99, 102, 241, 0.9);
    font-size: 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4);
    width: 0%;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.progress-percent {
    color: #06b6d4;
    font-size: 14px;
    font-weight: 600;
    text-align: right;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% auto;
    animation: gradientShift 3s ease infinite;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.hero-title.revealed {
    opacity: 1;
    transform: translateY(0);
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}



.hero-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-disclaimer {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-8);
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-button {
    display: inline-block;
    padding: var(--space-3) var(--space-6);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 1rem;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.hero-button-primary {
    position: relative;
    background: linear-gradient(135deg, var(--accent-primary), #8b5cf6);
    color: var(--text-primary);
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.7);
}

.hero-button-primary:hover {
    transform: translateY(-3px);
    box-shadow:
        0 0 40px 8px rgba(99, 102, 241, 0.5),
        0 15px 30px -10px rgba(0, 0, 0, 0.5);
}

.hero-button-primary:active {
    transform: translateY(-1px);
}

.hero-button-primary::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.hero-button-primary:active::after {
    width: 300px;
    height: 300px;
}

/* Sections */
.section {
    padding: var(--space-12) 0;
    content-visibility: auto;
    contain-intrinsic-size: 200px;
    contain: layout style;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition:
        opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-children > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children > *:nth-child(2) { transition-delay: 100ms; }
.stagger-children > *:nth-child(3) { transition-delay: 200ms; }
.stagger-children > *:nth-child(4) { transition-delay: 300ms; }
.stagger-children > *:nth-child(5) { transition-delay: 400ms; }
.stagger-children > *:nth-child(6) { transition-delay: 500ms; }
.stagger-children > *:nth-child(7) { transition-delay: 600ms; }
.stagger-children > *:nth-child(8) { transition-delay: 700ms; }
.stagger-children > *:nth-child(9) { transition-delay: 800ms; }
.stagger-children > *:nth-child(10) { transition-delay: 900ms; }

.section-title {
    text-align: center;
    margin-bottom: var(--space-8);
    color: var(--text-primary);
    font-size: clamp(2rem, 5vw, 2.5rem);
    font-weight: 600;
}

/* About section */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: var(--text-secondary);
}

/* Skills section */
.skills-categories {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    max-width: 1000px;
    margin: 0 auto;
}

.skills-category {
    padding: var(--space-4);
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--border-radius);
}

.skills-category-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    letter-spacing: 0.02em;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    justify-content: flex-start;
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    font-size: 0.9375rem;
    font-weight: 500;
    border: 1px solid var(--border-default);
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), background 0.3s ease;
    display: inline-block;
}

.skill-tag:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.35);
    background: linear-gradient(135deg, #1a1a1a, #262626);
}

.modal-note {
    margin-top: var(--space-3);
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-style: italic;
    line-height: 1.5;
}

/* Projects section */
#projects {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.99));
}

#projects::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('assets/network-projects.png.png');
    background-size: cover;
    background-position: 0% 50%;
    opacity: 0.28;
    mix-blend-mode: screen;
    animation: projectsPan 45s linear infinite;
    pointer-events: none;
    z-index: 0;
}

#projects .container {
    position: relative;
    z-index: 1;
}

@keyframes projectsPan {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    padding: var(--space-6);
    transition: border-color var(--transition-fast), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-12px);
    box-shadow:
        0 30px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(99, 102, 241, 0.2),
        0 0 40px rgba(99, 102, 241, 0.1);
    border-color: #6366f1;
}

.project-title {
    color: var(--text-primary);
    margin-bottom: var(--space-3);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
}

.project-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    font-size: 1rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.project-tag {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius);
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--border-default);
    display: inline-block;
    transition: border-color var(--transition-fast), background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.project-tag:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: #6366f1;
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.project-link {
    display: inline-block;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: opacity var(--transition-fast);
}

.project-link:hover {
    opacity: 0.7;
}

/* Project Modal- full screen overlay, centerd content */
.project-modal {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    display: none;
    z-index: 10000;
    background-color: rgba(0, 0, 0, 0.8);
    align-items: center;
    justify-content: center;
    padding: var(--space-6) var(--space-4);
}

.project-modal.active {
    display: flex !important;
    animation: fadeIn 0.25s ease;
}


@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.8);
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}


.modal-content {
    position: relative;
    z-index: 1;
    width: min(1200px, 96vw);
    max-height: 92vh;
    background: var(--bg-secondary);
    padding: var(--space-6);
    padding-top: 70px; /* Space for fixed close button */
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-subtle);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast);
    z-index: 2;
}

.modal-close:hover {
    border-color: var(--border-strong);
    opacity: 0.8;
}

.modal-title {
    color: var(--text-primary);
    margin-bottom: var(--space-4);
    font-size: clamp(1.5rem, 4vw, 2rem);
    line-height: 1.3;
    text-align: center;
    flex-shrink: 0;
    font-weight: 600;
    word-break: break-word;
}

/* Project Image Gallery in Modal + split layout */
.modal-body {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-6);
    flex: 1;
    min-height: 0;
}

.modal-info {
    overflow-y: visible;
    padding-right: var(--space-2);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.modal-media {
    overflow-y: visible;
    padding-left: var(--space-2);
    display: flex;
    flex-direction: column;
}

.modal-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    text-align: center;
    font-size: 1rem;
}

.modal-section {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.modal-section-title {
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    font-weight: 600;
    font-size: 1rem;
}

.modal-list {
    margin-left: var(--space-4);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-top: var(--space-2);
}

.modal-list li {
    margin-bottom: var(--space-2);
}

.modal-pills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-2);
    padding: var(--space-2) 0 var(--space-4) 0;
}

.project-gallery img {
    width: 100%;
    height: auto;
    min-height: 150px;
    max-height: 420px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-subtle);
    transition: border-color var(--transition-fast), opacity var(--transition-fast);
    cursor: pointer;
    object-fit: contain;
    background: var(--bg-secondary);
    padding: var(--space-4);
    display: block;
}

.project-gallery img:hover {
    border-color: var(--border-strong);
    opacity: 0.9;
}

/* Missing image placeholder */
.project-gallery img[src=""],
.project-gallery img:not([src]),
.project-gallery img[src*="assets/lms"]:not([src=""]) {
    position: relative;
}

.project-gallery img::after {
    content: attr(alt);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-muted);
    font-size: 0.9rem;
    display: none;
}

/* Error message for missing images */
.image-error-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    background: var(--background-panel);
    border-radius: var(--border-radius);
    border: 2px dashed rgba(13, 90, 74, 0.3);
    margin-top: 1rem;
}

.image-error-message p {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.image-error-message ul {
    text-align: left;
    display: inline-block;
    margin-top: 1rem;
}

.image-error-message li {
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.image-error-message code {
    background: var(--background-dark);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    color: var(--primary-professional);
    font-size: 0.9rem;
    font-family: monospace;
}

/* Image Lightbox */
.image-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 20000;
    align-items: center;
    justify-content: center;
}

.image-lightbox.active {
    display: flex !important;
    animation: fadeIn 0.3s ease;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.95);
    pointer-events: auto;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.lightbox-content {
    position: relative;
    z-index: 20001;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.lightbox-content img {
    max-width: 95vw;
    max-height: 85vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 0;
    box-shadow: none;
    border: none;
    background: transparent;
    padding: 0;
    margin: auto;
}

.lightbox-close {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast);
    z-index: 20002;
}

.lightbox-close:hover {
    border-color: var(--border-strong);
    opacity: 0.8;
}

.lightbox-caption {
    position: fixed;
    bottom: var(--space-4);
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-primary);
    text-align: center;
    font-size: 0.9375rem;
    max-width: 90vw;
    padding: var(--space-2) var(--space-3);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-subtle);
    z-index: 20002;
}

/* Project description expand/collapse */
.project-description-expanded {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease-in-out, opacity 0.3s ease-in-out;
    opacity: 0;
    visibility: hidden;
}

.project-description-expanded.expanded {
    max-height: none;
    opacity: 1;
    visibility: visible;
}

.expand-btn {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--accent-muted);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 6px 12px;
    text-transform: lowercase;
    font-family: monospace;
    display: inline-block;
    margin: 12px 0 8px 0;
    pointer-events: auto;
    min-width: 60px;
    text-align: center;
    will-change: transform;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    contain: layout style;
}

.expand-btn:hover {
    color: var(--text-light);
    background: var(--accent-muted);
    border-color: var(--accent-muted);
    text-decoration: none;
    transform: translate3d(0, -1px, 0) scale3d(1.02, 1.02, 1);
    box-shadow: 0 3px 10px rgba(212, 175, 55, 0.25);
}

.expand-text {
    transition: opacity 0.3s ease;
}

.project-actions {
    margin-top: 12px;
    margin-bottom: 8px;
}

/* Contact section */
.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    justify-content: center;
    margin-top: var(--space-6);
}

.contact-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    transition: border-color var(--transition-fast);
    font-weight: 500;
    display: inline-block;
}

.contact-link:hover {
    border-color: var(--border-strong);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    position: relative;
    margin-bottom: 24px;
}

.contact-form input,
.contact-form textarea {
    background: #1a1a1a;
    border: 2px solid #333;
    border-radius: 12px;
    padding: 16px;
    color: white;
    width: 100%;
    transition: all 0.3s ease;
    font-family: inherit;
}

.contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow:
        0 0 0 4px rgba(99, 102, 241, 0.1),
        0 0 20px rgba(99, 102, 241, 0.2);
    background: #1f1f1f;
}

.form-group label {
    position: absolute;
    left: 16px;
    top: 16px;
    color: #a1a1a1;
    pointer-events: none;
    transition: all 0.3s ease;
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label {
    top: -10px;
    left: 12px;
    font-size: 12px;
    color: #6366f1;
    background: #0a0a0a;
    padding: 0 4px;
}

.submit-button {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    padding: 16px 48px;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.submit-button:active {
    transform: scale(0.98);
}

.submit-button.loading {
    pointer-events: none;
}

.submit-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

/* Privacy section */
.privacy-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-subtle);
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.privacy-notice {
    background: var(--bg-secondary);
    padding: var(--space-6);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-subtle);
}

.privacy-notice p {
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    font-size: 0.9375rem;
    line-height: 1.6;
    text-align: left;
}

.privacy-notice strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
}

.privacy-notice em {
    font-style: normal;
    color: var(--text-tertiary);
}

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

.privacy-notice a:hover {
    opacity: 0.7;
}

/* Footer */
.footer {
    background: linear-gradient(180deg, #0a0a0a 0%, #141414 100%);
    padding: var(--space-8) 0;
    border-top: 1px solid var(--border-subtle);
    text-align: center;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #6366f1, transparent);
}

.footer p {
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
    font-weight: 400;
    font-size: 0.875rem;
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
    display: inline-block;
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #6366f1;
    transition: width 0.3s ease;
}

.footer-link:hover::after {
    width: 100%;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: #1a1a1a;
    border: 2px solid #333;
    color: #e5e5e5;
    transition: all 0.3s ease;
    margin: 0 8px;
    text-decoration: none;
}

.social-icon:hover {
    border-color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
    transform: translateY(-4px) scale(1.1);
    box-shadow:
        0 0 20px rgba(99, 102, 241, 0.5),
        0 10px 20px rgba(0, 0, 0, 0.3);
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #6366f1, #8b5cf6, #06b6d4);
    z-index: 10000;
    width: 0;
    transition: width 0.1s ease;
}

.page-loader {
    position: fixed;
    inset: 0;
    background: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

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

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid #333;
    border-top-color: #6366f1;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loader-content p {
    margin-top: 20px;
    color: #6366f1;
    font-weight: 500;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.back-to-top {
    position: fixed;
    right: 1.5rem;
    bottom: 1.5rem;
    width: 44px;
    height: 44px;
    border-radius: 999px;
    border: none;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.2), transparent 60%), #111827;
    color: #e5e5e5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: 10001;
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
}

.cursor-follower {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(99, 102, 241, 0.5);
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10001;
    transition: width 0.3s, height 0.3s, border-color 0.3s;
    mix-blend-mode: difference;
    transform: translate(-50%, -50%);
}

.cursor-follower.expand {
    width: 60px;
    height: 60px;
    border-color: rgba(99, 102, 241, 0.8);
}

.cursor-dot {
    width: 6px;
    height: 6px;
    background: #6366f1;
    border-radius: 50%;
    position: fixed;
    pointer-events: none;
    z-index: 10002;
    transform: translate(-50%, -50%);
}

/* Code Block Styles - Minimal */
pre[class*="language-"] {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-subtle) !important;
    border-radius: var(--border-radius) !important;
    padding: var(--space-4) !important;
    font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
    font-size: 0.9375rem !important;
    line-height: 1.6 !important;
    overflow-x: auto !important;
    position: relative !important;
}

code[class*="language-"] {
    font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
}

/* Copy Code Button */
.code-copy-btn {
    position: absolute;
    top: var(--space-2);
    right: var(--space-2);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    color: var(--text-primary);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--border-radius);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: border-color var(--transition-fast);
    z-index: 10;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

pre[class*="language-"]:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    border-color: var(--border-strong);
}

.code-copy-btn.copied {
    color: var(--accent-success);
    border-color: var(--accent-success);
}

/* Performance Optimizations */
@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;
    }
    
    #particles-canvas {
        display: none !important;
    }
    
    .hero {
        animation: none !important;
    }
    
    body {
        animation: none !important;
    }

    .cursor-follower,
    .cursor-dot,
    .particle {
        display: none !important;
    }

    .hero::before {
        transform: none !important;
    }

    #projects::before {
        animation: none !important;
    }

    .terminal-overlay {
        display: none !important;
    }
    
    .hero-title {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Lazy Loading Skeleton */
.skeleton {
    background: linear-gradient(
        90deg,
        rgba(26, 31, 58, 0.4) 0%,
        rgba(37, 43, 74, 0.6) 50%,
        rgba(26, 31, 58, 0.4) 100%
    );
    background-size: 200% 100%;
    animation: skeletonLoading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius);
}

@keyframes skeletonLoading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Responsive design */
@media (max-width: 768px) {
    /* Touch-friendly navigation */
    .nav-menu {
        display: none; /* Could be replaced with hamburger menu if needed */
    }
    
    .nav-menu {
        margin-right: 0;
    }

    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-md);
    }

    .nav-right {
        position: static;
        transform: none;
        margin-left: auto;
        margin-right: 0;
        gap: var(--spacing-sm);
    }
    
    .theme-toggle {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .lang-toggle {
        background-color: transparent;
        padding: 0;
        border: none;
    }

    .nav-logo {
        margin-right: auto;
        font-size: 1.1rem;
    }

    /* Mobile-optimized hero section */
    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
        padding-top: calc(var(--spacing-xl) + 100px); /* More space for mobile nav */
        text-align: center;
    }

    .hero-title {
        font-size: 1.8rem;
        font-family: 'Courier New', monospace;
        line-height: 1.2;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: var(--spacing-md);
        white-space: normal;
        text-overflow: unset;
    }

    .hero-description {
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .hero-button {
        padding: 16px 24px;
        font-size: 1rem;
        min-height: 48px; /* Touch-friendly button */
        width: 100%;
        max-width: 280px;
    }

    .hero-logo {
        width: 100px;
        height: 100px;
        margin-bottom: var(--spacing-md);
    }

    /* Mobile typography */
    h1 {
        font-size: 2rem;
        line-height: 1.3;
    }

    h2 {
        font-size: 1.6rem;
        line-height: 1.4;
    }

    /* Mobile sections */
    .section {
        padding: var(--spacing-lg) 0;
    }

    /* Mobile project cards */
    .project-card {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .project-title {
        font-size: 1rem;
        line-height: 1.3;
    }

    .project-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .project-link {
        padding: 12px 20px;
        font-size: 0.9rem;
        min-height: 44px; /* Touch-friendly */
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* Mobile skills */
    .skills-categories {
        gap: var(--space-4);
    }

    .skills-category {
        padding: var(--space-3);
    }

    .skills-category-title {
        font-size: 0.9rem;
        text-align: center;
    }

    .skills-grid {
        justify-content: center;
        gap: var(--spacing-sm);
    }

    .skill-tag {
        padding: 6px 12px;
        font-size: 0.8rem;
        min-height: 36px;
        display: inline-flex;
        align-items: center;
    }

    /* Mobile contact */
    .contact-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .contact-link {
        padding: 14px 20px;
        font-size: 0.9rem;
        min-height: 48px;
        width: 100%;
        max-width: 280px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .cursor-follower,
    .cursor-dot {
        display: none;
    }

    /* ===== MOBILE MODAL - Simple full screen window ===== */
    .project-modal {
        position: fixed;
        inset: 0;
        width: 100vw;
        height: 100vh;
        height: 100dvh; /* Dynamic viewport height for mobile */
        padding: 0;
        margin: 0;
        background: var(--background-card);
        overflow-x: hidden;
        overflow-y: scroll;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        z-index: 10000;
    }

    .project-modal.active {
        display: block !important;
    }

    .modal-overlay {
        display: none !important;
    }

    .modal-content {
        position: relative;
        width: 100%;
        min-height: auto;
        max-height: none;
        height: auto;
        border-radius: 0;
        padding: 16px;
        padding-top: 56px;
        padding-bottom: 80px;
        overflow: visible;
        margin: 0;
        box-shadow: none;
        background: var(--background-card);
    }
    
    /* Anchor for scroll-to-top */
    .modal-content::before {
        content: '';
        display: block;
        height: 0;
        margin: 0;
        padding: 0;
    }
    
    .modal-body {
        display: block;
        height: auto;
    }
    
    .modal-info {
        display: block;
        width: 100%;
        overflow: visible;
        padding: 0;
        margin-bottom: var(--spacing-md);
    }
    
    .modal-media {
        display: block;
        width: 100%;
        overflow: visible;
        padding: 0;
        margin-bottom: var(--spacing-md);
    }
    
    .modal-title {
        font-size: 1.4rem;
        margin-top: 0;
        padding-top: 0;
        margin-bottom: var(--spacing-sm);
        line-height: 1.3;
        text-align: left;
    }

    .modal-subtitle {
        text-align: left;
        font-size: 0.95rem;
        margin-bottom: var(--spacing-sm);
    }

    .modal-section {
        padding: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .modal-section-title {
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }

    .modal-list {
        font-size: 0.9rem;
        line-height: 1.5;
        margin-left: 1rem;
    }

    .modal-list li {
        margin-bottom: 0.4rem;
    }

    .modal-pills {
        gap: 6px;
        margin-top: var(--spacing-sm);
    }

    .modal-pills .project-tag {
        font-size: 0.75rem;
        padding: 4px 8px;
    }

    .project-gallery {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        margin-top: var(--spacing-sm);
    }

    .project-gallery img {
        width: 100%;
        height: auto;
        min-height: 180px;
        max-height: none;
        object-fit: contain;
        padding: 0.75rem;
    }

    /* Mobile close button - make sure it's visible */
    .project-modal .modal-close {
        position: fixed;
        top: 0.75rem;
        right: 0.75rem;
        width: 48px;
        height: 48px;
        font-size: 1.6rem;
        z-index: 11001;
    }
}

@media (max-width: 480px) {
    /* Ultra-mobile optimizations */
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
        padding-top: calc(var(--spacing-lg) + 80px);
    }

    .nav-container {
        padding: var(--spacing-sm);
    }

    .hero-title {
        font-size: 1.5rem;
        font-family: 'Courier New', monospace;
        letter-spacing: 0.5px;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-disclaimer {
        font-size: 0.8rem;
        line-height: 1.4;
    }

    .hero-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .hero-button {
        padding: 14px 20px;
        font-size: 0.95rem;
    }

    /* Touch-friendly interactions */
    .skill-tag {
        padding: 8px 14px;
        font-size: 0.8rem;
        min-height: 40px;
        touch-action: manipulation;
    }

    .project-link {
        padding: 14px 24px;
        font-size: 0.9rem;
        touch-action: manipulation;
    }

    .contact-link {
        padding: 16px 24px;
        font-size: 0.9rem;
        touch-action: manipulation;
    }

    /* Ultra-mobile modal refinements */
    .modal-content {
        padding: var(--spacing-sm);
        padding-top: 60px;
        padding-bottom: var(--spacing-lg);
    }

    .modal-title {
        font-size: 1.25rem;
        margin-bottom: var(--spacing-sm);
    }

    .modal-subtitle {
        font-size: 0.9rem;
    }

    .modal-section {
        padding: 0.75rem;
    }

    .modal-section-title {
        font-size: 0.95rem;
    }

    .modal-list {
        font-size: 0.85rem;
        line-height: 1.45;
    }

    .project-gallery img {
        min-height: 160px;
        padding: 0.5rem;
    }

    /* Ultra-mobile close button */
    .project-modal .modal-close {
        top: 0.5rem;
        right: 0.5rem;
        width: 44px;
        height: 44px;
        font-size: 1.4rem;
    }

    /* Mobile lightbox optimizations */
    .lightbox-close {
        width: 44px;
        height: 44px;
        font-size: 1.4rem;
        top: var(--spacing-sm);
        right: var(--spacing-sm);
    }

    .lightbox-content img {
        max-width: 98vw;
        max-height: 80vh;
    }

    .lightbox-caption {
        bottom: var(--spacing-sm);
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
        max-width: 96vw;
    }

    /* Mobile footer */
    .footer {
        padding: var(--spacing-md) 0;
        text-align: center;
    }

    .footer p {
        font-size: 0.85rem;
        line-height: 1.4;
    }
}

/* Close button for project modals - high visibility */
.project-modal .modal-close {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
    border-radius: var(--border-radius);
    cursor: pointer;
    z-index: 11000;
    transition: border-color var(--transition-fast);
}

.project-modal .modal-close:hover {
    border-color: var(--border-strong);
    opacity: 0.8;
}