/* ==========================================================================
   Jeffrey Dan Ross - Personal Website Stylesheet
   Theme: Professional Tech Dark Mode (Deep Charcoal, Slate, Navy Blue, Teal Accent)
   ========================================================================== */

/* Import Google Font - Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables & Core Config */
:root {
    --bg-base: #0a0d10;         /* Deep charcoal background */
    --bg-surface: #10151c;      /* Surface card/nav background */
    --bg-surface-elevated: #18202b; /* Active surface */
    --border-color: #1e2633;    /* Cool slate border */
    --border-glow: #2b394f;      /* Highlighted border */

    /* Text colors */
    --text-primary: #f1f5f9;     /* Light gray/white text */
    --text-secondary: #94a3b8;   /* Slate gray text */
    --text-muted: #64748b;       /* Muted slate text */

    /* Accents (Navy, Technology Blue, Teal) */
    --accent-navy: #1e3a8a;      /* Leadership deep navy */
    --accent-blue: #3b82f6;      /* Modern technology blue */
    --accent-cyan: #06b6d4;      /* Innovation cyan/teal */
    --accent-cyan-dim: rgba(6, 182, 212, 0.1);
    --accent-blue-dim: rgba(59, 130, 246, 0.08);

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Structure */
    --max-width: 1100px;
    --header-height: 80px;
    
    /* Animation & Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
}

/* ==========================================================================
   Base & Resets
   ========================================================================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-base);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast), border var(--transition-fast);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

input, textarea, button {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

/* ==========================================================================
   Layout Containers & Grid
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    letter-spacing: -0.02em;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
    border-radius: 2px;
}

/* ==========================================================================
   Global Navigation Header
   ========================================================================== */
.site-header {
    background-color: rgba(10, 13, 16, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    transition: background var(--transition-fast), border var(--transition-fast);
}

.site-header.scrolled {
    background-color: var(--bg-surface);
    border-bottom-color: var(--border-glow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    text-transform: uppercase;
}

.logo-title {
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.logo-image-container {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background-color: #000000;
    flex-shrink: 0;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.logo-image {
    max-width: 150px;
    height: auto;
    width: 100%;
    object-fit: cover;
    transform: scale(1.08); /* Zooms past the outer white margins of the logo file */
    transition: transform var(--transition-normal);
}

.logo:hover .logo-image-container {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.2);
}

.logo:hover .logo-image {
    transform: scale(1.15);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
}

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

.nav-link.active {
    border-bottom-color: var(--accent-cyan);
}

/* Hamburger menu button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1100;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 5px 0;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* ==========================================================================
   Hero & Intro (Home Page)
   ========================================================================== */
.hero-section {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 4rem;
    min-height: 75vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, var(--accent-blue-dim) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, var(--accent-cyan-dim) 0%, transparent 50%);
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-badge svg {
    fill: var(--accent-cyan);
}

.hero-name {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-name span {
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-roles {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.role-tag {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.role-tag:not(:last-child)::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--border-color);
    margin-left: 1rem;
}

.intro-text {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.intro-text p {
    margin-bottom: 1.5rem;
}

/* Call to Action Buttons */
.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.8rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-base);
    border: 1px solid var(--text-primary);
}

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

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--border-glow);
    background-color: var(--bg-surface-elevated);
}

/* ==========================================================================
   Experience Page
   ========================================================================== */
.experience-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3.5rem;
}

.experience-block {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.experience-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-navy);
}

.experience-block.military::before { background-color: var(--accent-navy); }
.experience-block.business::before { background-color: var(--accent-blue); }
.experience-block.automation::before { background-color: var(--accent-cyan); }

.experience-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
}

.exp-title-group h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    letter-spacing: -0.01em;
}

.exp-company {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent-blue);
}

.exp-company.military-color { color: var(--text-primary); opacity: 0.9; }
.exp-company.business-color { color: var(--accent-blue); }
.exp-company.automation-color { color: var(--accent-cyan); }

.exp-date {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
    background-color: var(--bg-base);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.highlight-item {
    padding: 1.25rem;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: transform var(--transition-fast), border var(--transition-fast);
}

.highlight-item:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.highlight-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.experience-block.military .highlight-icon { background-color: rgba(30, 58, 138, 0.2); color: var(--text-primary); }
.experience-block.business .highlight-icon { background-color: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.experience-block.automation .highlight-icon { background-color: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }

.highlight-item h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.highlight-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* --- Python Toggle & IDE Code View --- */
.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.section-header-row .section-title {
    margin-bottom: 0;
    position: relative;
}

.python-toggle-btn {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.55rem 0.95rem;
    font-family: 'Fira Code', Consolas, Monaco, monospace;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: all var(--transition-normal);
    user-select: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.python-toggle-btn:hover {
    border-color: var(--accent-cyan);
    background-color: var(--bg-surface-elevated);
    box-shadow: 0 0 12px rgba(6, 182, 212, 0.2);
    transform: translateY(-1px);
}

.python-toggle-btn .terminal-prompt {
    color: var(--accent-cyan);
    font-weight: 700;
    letter-spacing: -0.05em;
}

.python-toggle-btn .toggle-status {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.python-toggle-btn.active {
    border-color: var(--accent-cyan);
    background-color: rgba(6, 182, 212, 0.06);
    box-shadow: 0 0 16px rgba(6, 182, 212, 0.25);
}

.python-toggle-btn.active .toggle-status {
    color: var(--text-primary);
}

.experience-content-wrapper {
    position: relative;
    width: 100%;
}

.standard-view {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.25s ease-out, transform 0.25s ease-out;
}

/* IDE Frame Styling */
.code-editor-wrapper {
    background-color: #0a0d10;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    font-family: 'Fira Code', Consolas, Monaco, 'Andale Mono', monospace;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.25s ease-out, transform 0.25s ease-out;
}

/* IDE Titlebar */
.ide-titlebar {
    background-color: #0e131c;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    user-select: none;
}

.ide-dots {
    display: flex;
    gap: 0.45rem;
}

.ide-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: inline-block;
}

.ide-dot.red { background-color: #ef4444; }
.ide-dot.yellow { background-color: #f59e0b; }
.ide-dot.green { background-color: #10b981; }

.ide-title {
    font-size: 0.8rem;
    color: #768390; /* slate contrast compliant */
    font-weight: 500;
    letter-spacing: 0.02em;
}

.ide-actions {
    display: flex;
    align-items: center;
}

.ide-action-btn {
    background: none;
    border: none;
    color: #768390; /* slate contrast compliant */
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 4px;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ide-action-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.06);
}

.copy-tooltip {
    position: absolute;
    bottom: 135%;
    right: 50%;
    transform: translateX(50%) translateY(4px);
    background-color: var(--bg-surface-elevated);
    color: var(--text-primary);
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.ide-action-btn:hover .copy-tooltip {
    opacity: 1;
    transform: translateX(50%) translateY(0);
}

.ide-action-btn.copied {
    color: var(--accent-cyan);
}

.ide-action-btn.copied .copy-tooltip {
    background-color: rgba(6, 182, 212, 0.15);
    border-color: var(--accent-cyan);
    color: var(--text-primary);
}

/* IDE Tabs */
.ide-tabs-container {
    background-color: #0b0e14;
    display: flex;
    border-bottom: 1px solid var(--border-color);
    user-select: none;
}

.ide-tab {
    background-color: #080b0f;
    padding: 0.65rem 1.25rem;
    border-right: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-top: 2px solid transparent;
    cursor: default;
}

.ide-tab.active {
    color: var(--text-primary);
    border-top-color: var(--accent-cyan);
}

.ide-tab .python-icon {
    width: 14px;
    height: 14px;
}

/* IDE Breadcrumbs */
.ide-breadcrumbs {
    background-color: #080b0f;
    padding: 0.45rem 1.25rem;
    font-size: 0.75rem;
    color: #768390; /* slate contrast compliant */
    border-bottom: 1px solid #10141a;
    user-select: none;
}

.ide-breadcrumbs span {
    margin: 0 0.15rem;
}

.ide-breadcrumbs span.active {
    color: var(--text-secondary);
}

/* Editor Main Body */
.ide-editor-main {
    display: flex;
    position: relative;
    max-height: 580px;
    overflow-y: auto;
    background-color: #080b0f;
}

/* Custom scrollbars for editor */
.ide-editor-main::-webkit-scrollbar,
.ide-code-viewport::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.ide-editor-main::-webkit-scrollbar-track,
.ide-code-viewport::-webkit-scrollbar-track {
    background: #080b0f;
}

.ide-editor-main::-webkit-scrollbar-thumb,
.ide-code-viewport::-webkit-scrollbar-thumb {
    background: #1e2633;
    border-radius: 4px;
}

.ide-editor-main::-webkit-scrollbar-thumb:hover,
.ide-code-viewport::-webkit-scrollbar-thumb:hover {
    background: #2b394f;
}

.ide-gutter {
    display: flex;
    flex-direction: column;
    text-align: right;
    padding: 1.25rem 0.8rem 1.25rem 1.25rem;
    color: #4b5263;
    user-select: none;
    border-right: 1px solid #11151c;
    background-color: #080b0f;
    min-width: 3.8rem;
}

.ide-gutter span {
    line-height: 1.55;
    font-size: 0.85rem;
    height: 1.32rem; /* Matches code line rendering exactly */
    display: block;
}

.ide-code-viewport {
    flex-grow: 1;
    padding: 1.25rem;
    overflow-x: auto;
    background-color: #080b0f;
}

.ide-code-viewport pre {
    margin: 0;
    padding: 0;
}

.ide-code-viewport pre code {
    font-family: inherit;
    font-size: 0.85rem;
    line-height: 1.55;
    color: #abb2bf;
    display: block;
    white-space: pre;
}

/* IDE Status Bar */
.ide-statusbar {
    background-color: #0b0e14;
    border-top: 1px solid var(--border-color);
    padding: 0.35rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: #768390; /* slate contrast compliant */
    user-select: none;
}

.ide-statusbar .status-left,
.ide-statusbar .status-right {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.ide-statusbar .status-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.ide-statusbar .status-item svg {
    stroke: #768390; /* slate contrast compliant */
}

/* Python Syntax Highlighting Tokens */
.py-keyword {
    color: #c586c0; /* vscode purple */
    font-weight: 600;
}

.py-class {
    color: #4ec9b0; /* vscode class name green */
    font-weight: 600;
}

.py-builtin {
    color: #dcdcaa; /* vscode method yellow */
}

.py-self {
    color: #569cd6; /* vscode parameter blue */
}

.py-key {
    color: var(--accent-cyan); /* vscode string cyan (#06b6d4) */
}

.py-string {
    color: var(--accent-cyan); /* vscode string cyan (#06b6d4) */
}

.py-punct,
.py-bracket {
    color: #5f7080; /* Appropriate muted color for punctuation and brackets */
}

.py-comment {
    color: #768390; /* slate comment - contrast compliant */
    font-style: italic;
}

.py-number {
    color: #b5cea8; /* green-yellow numbers */
}

/* Helper utility for state toggling */
.hidden {
    display: none !important;
}

/* --- Responsive Adaptations for IDE View --- */
@media (max-width: 768px) {
    .section-header-row {
        margin-bottom: 2rem;
    }
    
    .ide-editor-main {
        max-height: 480px;
    }
    
    .ide-gutter {
        padding-left: 0.75rem;
        padding-right: 0.5rem;
        min-width: 2.8rem;
    }
    
    .ide-code-viewport {
        padding: 1rem;
    }
    
    .ide-code-viewport pre code {
        font-size: 0.8rem;
    }
    
    .ide-gutter span {
        font-size: 0.8rem;
        height: 1.24rem; /* Match smaller code line-height */
    }
}

@media (max-width: 600px) {
    .section-header-row {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
        padding-bottom: 0.75rem;
    }
    
    .python-toggle-btn {
        width: 100%;
        justify-content: center;
    }
    
    .ide-gutter {
        display: none; /* Hide line numbers on very small mobile for horizontal space */
    }
    
    .ide-breadcrumbs {
        display: none;
    }
    
    .ide-statusbar .status-right {
        display: none; /* Simplify status bar on mobile */
    }
    
    .ide-tab {
        padding: 0.55rem 0.85rem;
    }
}


/* ==========================================================================
   Projects Page (Expandable Cards)
   ========================================================================== */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.project-card.active {
    border-color: var(--border-glow);
}

.project-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.75rem 2rem;
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    outline: none;
}

.project-title-area {
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.project-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.project-toggle-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    transition: transform var(--transition-normal), border var(--transition-normal), color var(--transition-normal);
}

.project-card.active .project-toggle-icon {
    transform: rotate(180deg);
    color: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

/* Collapsible body */
.project-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow) ease-out;
}

.project-content {
    padding: 0 2rem 2rem 2rem;
    border-top: 1px solid transparent;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.project-card.active .project-content {
    border-top-color: var(--border-color);
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.project-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
}

/* ==========================================================================
   Technology Page
   ========================================================================== */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.tech-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.tech-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-2px);
}

.tech-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 64px;
    height: 64px;
    background: radial-gradient(circle at top right, var(--accent-blue-dim) 0%, transparent 70%);
}

.tech-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    margin-bottom: 1.5rem;
}

.tech-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.tech-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.tech-topics {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.tech-topics-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.tech-badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent-cyan);
    background-color: var(--accent-cyan-dim);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
}

/* ==========================================================================
   Resume Page
   ========================================================================== */
.resume-action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
}

.resume-meta-info {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.resume-container {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 4rem;
    max-width: 850px;
    margin: 0 auto;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.resume-header-block {
    text-align: center;
    margin-bottom: 3rem;
}

.resume-name {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.resume-contact-info {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.resume-contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.resume-contact-item svg {
    color: var(--accent-blue);
}

.resume-section {
    margin-bottom: 2.5rem;
}

.resume-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-cyan);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.25rem;
}

.resume-summary-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.competencies-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem;
}

.competency-item {
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.25rem;
}

.competency-item::before {
    content: '▪';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

.resume-exp-item {
    margin-bottom: 1.75rem;
}

.resume-exp-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.resume-exp-title {
    font-size: 1.05rem;
    color: var(--text-primary);
}

.resume-exp-company {
    color: var(--accent-blue);
}

.resume-exp-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.resume-bullet-list {
    list-style: disc;
    margin-left: 1.25rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

/* ==========================================================================
   Contact Page
   ========================================================================== */
.contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 4rem;
}

.contact-info-block {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
}

.contact-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.contact-detail-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.contact-detail-item {
    display: flex;
    gap: 1rem;
}

.contact-detail-icon {
    width: 40px;
    height: 40px;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-cyan);
    flex-shrink: 0;
}

.contact-detail-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-detail-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.contact-detail-value {
    font-size: 0.95rem;
    font-weight: 500;
}

.contact-detail-value a:hover {
    color: var(--accent-cyan);
}

/* Contact Form */
.contact-form-block {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
}

.form-input {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

.form-input:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

textarea.form-input {
    resize: vertical;
    min-height: 150px;
}

.form-status {
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    display: none;
}

.form-status.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.form-status.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.site-footer {
    margin-top: auto;
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-copyright {
    font-weight: 500;
}

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

/* ==========================================================================
   Responsive & Mobile Adjustments
   ========================================================================== */
@media (max-width: 900px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .section {
        padding: 4rem 0;
    }

    /* Navigation drawer for mobile */
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-surface);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        align-items: stretch;
        padding: 2rem 1.5rem;
        gap: 1.5rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
        z-index: 999;
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        display: block;
        font-size: 1.1rem;
        padding: 0.75rem 0;
        border-bottom: none;
        border-left: 3px solid transparent;
        padding-left: 1rem;
    }

    .nav-link.active {
        border-left-color: var(--accent-cyan);
    }

    /* Hamburger transformation */
    .menu-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle.open span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero section */
    .hero-section {
        padding-top: calc(var(--header-height) + 2rem);
        min-height: auto;
    }

    .hero-roles {
        flex-direction: column;
        gap: 0.5rem;
    }

    .role-tag:not(:last-child)::after {
        display: none;
    }

    /* Experience */
    .experience-block {
        padding: 1.75rem;
    }

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

    /* Resume padding */
    .resume-container {
        padding: 2rem 1.5rem;
    }
    
    .resume-contact-info {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }
}

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

.text-gradient-cyan {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   Military Experience Gallery & Insignia Styles
   ========================================================================== */
.military-grid-layout {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.military-gallery {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.gallery-crest-wrapper {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: border-color var(--transition-fast);
}

.gallery-crest-wrapper:hover {
    border-color: var(--border-glow);
}

.gallery-crest-img {
    width: 60px;
    height: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
    flex-shrink: 0;
}

.crest-details h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.crest-details .motto {
    font-size: 0.8rem;
    color: var(--accent-cyan);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-top: 0.15rem;
}

.gallery-photos-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.gallery-photo-item {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
    aspect-ratio: 4 / 3;
    background-color: var(--bg-base);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.gallery-photo-item:hover {
    transform: translateY(-2px);
    border-color: var(--border-glow);
}

.gallery-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.gallery-photo-item:hover .gallery-photo {
    transform: scale(1.05);
}

.photo-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(10, 13, 16, 0.95) 0%, rgba(10, 13, 16, 0.4) 70%, transparent 100%);
    color: var(--text-primary);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.75rem 0.5rem 0.4rem 0.5rem;
    text-align: center;
    letter-spacing: 0.02em;
}

/* Media Queries for Military Split Layout */
@media (max-width: 1024px) {
    .military-grid-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

/* ==========================================================================
   Project Details Split & Logo Styles
   ========================================================================== */
.project-split-layout {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 2rem;
    align-items: center;
}

.project-media-card {
    background-color: #ffffff;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.project-media-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-cyan);
}

.project-logo-img {
    max-width: 100%;
    height: auto;
    max-height: 120px;
    display: block;
}

@media (max-width: 768px) {
    .project-split-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ==========================================================================
   Developer Console Mockup Windows & Project Image Styles
   ========================================================================== */
.dev-console-window {
    margin-top: 2rem;
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    width: 100%;
}

.dev-console-window:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5), 0 0 15px rgba(6, 182, 212, 0.05);
}

.console-titlebar {
    background-color: var(--bg-surface-elevated);
    height: 38px;
    display: flex;
    align-items: center;
    padding: 0 1.25rem;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.console-dots {
    display: flex;
    gap: 0.4rem;
    align-items: center;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.dot-red { background-color: #ef4444; }
.dot-yellow { background-color: #f59e0b; }
.dot-green { background-color: #10b981; }

.console-title {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: monospace;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #10b981;
    animation: pulse-glow 2s infinite;
    flex-shrink: 0;
}

@keyframes pulse-glow {
    0% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        transform: scale(1);
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
    100% {
        transform: scale(0.95);
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.console-body {
    padding: 0.5rem;
    background-color: var(--bg-base);
}

.console-screenshot {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    transition: opacity var(--transition-normal);
    opacity: 0.95;
}

.dev-console-window:hover .console-screenshot {
    opacity: 1;
}

/* ==========================================================================
   Interactive Background Canvas
   ========================================================================== */
#node-network-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    background: transparent;
    display: block;
}

/* ==========================================================================
   Automation Diagram Showcase
   ========================================================================== */

/* Page layout container */
.automation-layout {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    margin-top: 2rem;
}

.automation-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 0.5rem;
}

.automation-description {
    max-width: 760px;
    color: var(--text-secondary);
}

.automation-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Flex layout with diagram on left, inspector on right */
.workflow-workspace {
    display: flex;
    position: relative;
    width: 100%;
    align-items: stretch;
}

.workflow-canvas-wrapper {
    flex: 1;
    min-width: 0;
    position: relative;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.workflow-canvas {
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    position: relative;
    overflow: hidden;
    min-height: 600px;
    box-shadow: inset 0 0 30px rgba(0,0,0,0.65), 0 10px 30px rgba(0,0,0,0.5);
    background-image: radial-gradient(rgba(30, 38, 51, 0.45) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    transition: border-color var(--transition-normal);
}

.workflow-canvas:hover {
    border-color: var(--border-glow);
}

/* SVG Connection Line Layer */
#workflow-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.connection-path {
    fill: none;
    stroke: var(--text-muted);
    stroke-width: 2.5px;
    opacity: 0.28;
    transition: stroke var(--transition-normal), stroke-width var(--transition-normal), opacity var(--transition-normal);
}

.connection-path.path-high-value {
    stroke: var(--accent-cyan);
    opacity: 0.38;
}

.connection-path.path-standard {
    stroke: var(--accent-blue);
    opacity: 0.32;
}

.connection-path.active-path {
    stroke: var(--accent-cyan);
    stroke-width: 3.5px;
    opacity: 1;
}

.connection-path.active-path.path-standard {
    stroke: var(--accent-blue);
}

/* Pulsing animated light travel */
.pulse-flow {
    stroke-dasharray: 8, 8;
    animation: flow-dash 35s linear infinite;
}

@keyframes flow-dash {
    to {
        stroke-dashoffset: -1000;
    }
}

.connection-path-glow {
    fill: none;
    stroke: var(--accent-cyan);
    stroke-width: 7px;
    opacity: 0.15;
    filter: blur(4px);
    pointer-events: none;
}

/* Nodes Layout inside Canvas */
.canvas-inner {
    position: relative;
    z-index: 2;
    padding: 3rem 2.5rem;
    display: flex;
    justify-content: space-between;
    height: 100%;
    min-height: 600px;
    min-width: 800px;
    gap: 2rem;
}

.canvas-col {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center;
    gap: 2rem;
    z-index: 2;
    height: 100%;
    min-height: 520px;
}

/* Semantic Node Styles */
.workflow-node {
    background: rgba(16, 21, 28, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.25rem 1.5rem;
    width: 220px;
    cursor: pointer;
    position: relative;
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    user-select: none;
    outline: none;
}

.workflow-node:hover {
    transform: translateY(-3px) scale(1.02);
    border-color: var(--border-glow);
    box-shadow: 0 10px 25px rgba(0,0,0,0.45), 0 0 12px rgba(6, 182, 212, 0.06);
}

.workflow-node:focus-visible {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.4);
}

.workflow-node.active {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 22px rgba(6, 182, 212, 0.28), inset 0 0 10px rgba(6, 182, 212, 0.08);
}

.workflow-node.active-state {
    border-color: var(--accent-blue);
    box-shadow: 0 0 22px rgba(59, 130, 246, 0.38);
    transform: translateY(-2px) scale(1.02);
}

/* Node Contents */
.node-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.node-icon-wrapper {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(30, 41, 59, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    transition: color var(--transition-fast), background var(--transition-fast);
}

.workflow-node:hover .node-icon-wrapper,
.workflow-node.active .node-icon-wrapper {
    background: var(--accent-cyan-dim);
    color: var(--accent-cyan);
}

.workflow-node.active-state .node-icon-wrapper {
    background: var(--accent-blue-dim);
    color: var(--accent-blue);
}

.node-icon-wrapper svg {
    width: 16px;
    height: 16px;
}

.node-title {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.node-type-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
    color: var(--text-muted);
}

.node-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 0.6rem;
}

/* Sockets (Connector Dots) */
.node-socket {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-glow);
    border: 2px solid #0b0f19;
    z-index: 10;
    transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.workflow-node:hover .node-socket,
.workflow-node.active .node-socket {
    background: var(--accent-cyan);
    box-shadow: 0 0 6px var(--accent-cyan);
}

.workflow-node.active-state .node-socket {
    background: var(--accent-blue);
    box-shadow: 0 0 6px var(--accent-blue);
}

.socket-left {
    left: 0;
    top: 50%;
    transform: translate(-50%, -50%);
}

.socket-right {
    right: 0;
    top: 50%;
    transform: translate(50%, -50%);
}

.socket-right-top {
    right: 0;
    top: 30%;
    transform: translate(50%, -50%);
}

.socket-right-bottom {
    right: 0;
    top: 70%;
    transform: translate(50%, -50%);
}

.socket-top {
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
}

.socket-bottom {
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 50%);
}

/* Node Inspector Panel (Drawer) */
.node-inspector {
    position: fixed;
    top: calc(var(--header-height) + 1.5rem);
    right: 1.5rem;
    height: calc(100vh - var(--header-height) - 3rem);
    width: calc(100vw - 3rem);
    max-width: 420px;
    z-index: 1000;
    background: rgba(10, 13, 16, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0,0,0,0.45);
    opacity: 0;
    transform: translateX(calc(100% + 2.5rem));
    pointer-events: none;
    visibility: hidden;
    transition: transform var(--transition-slow), opacity var(--transition-slow), visibility var(--transition-slow);
    overflow: hidden;
}

.node-inspector.open {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    visibility: visible;
}

.inspector-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-surface-elevated);
}

.inspector-header-left h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.inspector-node-type {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.35rem;
}

.badge-trigger { background: rgba(59, 130, 246, 0.12); color: var(--accent-blue); border: 1px solid rgba(59, 130, 246, 0.2); }
.badge-router { background: rgba(139, 92, 246, 0.12); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.2); }
.badge-ai { background: rgba(6, 182, 212, 0.12); color: var(--accent-cyan); border: 1px solid rgba(6, 182, 212, 0.2); }
.badge-action { background: rgba(16, 185, 129, 0.12); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.2); }

.close-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.close-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.inspector-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* Custom Scrollbar for Inspector Body */
.inspector-body::-webkit-scrollbar {
    width: 8px;
}

.inspector-body::-webkit-scrollbar-track {
    background: rgba(10, 13, 16, 0.8);
    border-radius: 0 0 var(--border-radius-lg) 0;
}

.inspector-body::-webkit-scrollbar-thumb {
    background: #06b6d4;
    border-radius: 4px;
}

.inspector-body::-webkit-scrollbar-thumb:hover {
    background: #08e2ff;
}

.inspector-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.inspector-meta {
    display: flex;
    gap: 1.5rem;
}

.meta-item {
    font-size: 0.8rem;
}

.meta-label {
    color: var(--text-muted);
    font-size: 0.7rem;
    margin-bottom: 0.15rem;
}

.meta-value {
    color: var(--text-primary);
    font-weight: 500;
}

.meta-value.status-active {
    color: #34d399;
}

.inspector-desc, .inspector-impact {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.inspector-schemas {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    font-size: 0.8rem;
}

.schema-box {
    background: rgba(30, 41, 59, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.75rem;
}

.schema-box ul {
    list-style: disc;
    margin-left: 1.2rem;
    margin-top: 0.35rem;
    color: var(--text-secondary);
}

.schema-box ul code {
    background: none;
    padding: 0;
    color: var(--accent-cyan);
}

.inspector-payload-preview {
    font-family: monospace;
    font-size: 0.75rem;
    background: #07090e;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    color: #a7f3d0;
    overflow-x: auto;
    white-space: pre;
    max-height: 190px;
    line-height: 1.4;
}

/* Button UI tweaks */
.btn-simulation {
    background: rgba(6, 182, 212, 0.08);
    border: 1px solid var(--accent-cyan);
    color: var(--accent-cyan);
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.btn-simulation:hover {
    background: var(--accent-cyan);
    color: #0a0d10;
    transform: translateY(-1px);
}

.btn-simulation:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: rgba(59, 130, 246, 0.05);
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-simulation.active {
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

/* RESPONSIVE LAYOUT ADJUSTMENTS FOR WORKFLOW DIAGRAM */
@media (max-width: 1024px) {
    .workflow-workspace {
        flex-direction: column;
        gap: 2rem;
    }
    
    .node-inspector {
        position: relative;
        top: auto;
        right: auto;
        bottom: auto;
        width: 100%;
        max-width: none;
        height: auto;
        max-height: 0;
        transform: translateY(20px);
        opacity: 0;
        display: flex;
        visibility: hidden;
        border-color: transparent;
        transition: transform var(--transition-slow), opacity var(--transition-slow), max-height var(--transition-slow), border-color var(--transition-slow), visibility var(--transition-slow);
    }
    
    .node-inspector.open {
        width: 100%;
        opacity: 1;
        transform: translateY(0);
        visibility: visible;
        max-height: 600px;
        border-color: var(--border-color);
    }
}

@media (max-width: 768px) {
    .workflow-workspace {
        margin-bottom: 55vh; /* Allow scrolling past the bottom sheet */
    }

    .workflow-canvas {
        min-width: max-content; /* Force canvas to expand for horizontal scrolling */
        min-height: auto;
    }

    .canvas-inner {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 3.5rem;
        padding: 3rem 2rem;
        min-height: auto;
        min-width: max-content;
    }
    
    .canvas-col {
        display: flex;
        flex-direction: column;
        gap: 3.5rem;
        width: 100%;
        min-height: auto;
    }
    
    .workflow-node {
        width: 260px;
    }
    
    .workflow-canvas {
        min-height: auto;
    }
    
    .node-inspector {
        position: fixed;
        top: auto;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100% !important;
        height: auto;
        max-height: 55vh !important;
        z-index: 2000;
        border-radius: 20px 20px 0 0;
        transform: translateY(100%);
        box-shadow: 0 -10px 40px rgba(0,0,0,0.6);
        border-bottom: none;
        border-left: none;
        border-right: none;
        opacity: 1;
        visibility: hidden;
        transition: transform var(--transition-normal), visibility var(--transition-normal);
        display: flex;
        flex-direction: column;
    }
    
    .node-inspector .inspector-header {
        position: sticky;
        top: 0;
        z-index: 10;
        padding: 0.75rem 1rem;
    }
    
    .node-inspector .inspector-body {
        padding: 1rem;
        gap: 1rem;
    }
    
    .node-inspector.open {
        transform: translateY(0);
        visibility: visible;
    }

    /* Hide unused side sockets in vertical mobile stack layout */
    .node-socket.socket-left,
    .node-socket.socket-right,
    .node-socket.socket-right-top,
    .node-socket.socket-right-bottom {
        display: none;
    }
}

/* ==========================================================================
   Easter Egg - Futuristic Helicopter Animation
   ========================================================================== */
.heli-container {
    position: fixed;
    bottom: 12%; /* Flies at a nice height above footer/bottom */
    left: 0;
    z-index: 999999; /* Ensure it is above all elements */
    pointer-events: none; /* Do not block mouse interactions */
    will-change: transform; /* Hint to browser to hardware-accelerate */
    animation: heli-flyby 6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.easter-egg-heli {
    display: block;
    filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.5));
}

.main-rotor {
    animation: heli-spin 0.08s linear infinite;
    transform-origin: 0px 0px;
}

.tail-rotor {
    animation: heli-spin 0.12s linear infinite;
    transform-origin: 0px 0px;
}

@keyframes heli-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes heli-flyby {
    0% {
        transform: translateX(-250px) translateY(0);
    }
    15% {
        transform: translateX(12vw) translateY(-12px);
    }
    30% {
        transform: translateX(32vw) translateY(8px);
    }
    48% {
        transform: translateX(52vw) translateY(-16px);
    }
    65% {
        transform: translateX(72vw) translateY(4px);
    }
    82% {
        transform: translateX(92vw) translateY(-10px);
    }
    100% {
        transform: translateX(calc(100vw + 250px)) translateY(0);
    }
}

/* Respect user preferences for reduced motion */
@media (prefers-reduced-motion: reduce) {
    .heli-container {
        display: none !important;
        animation: none !important;
    }
    .main-rotor,
    .tail-rotor {
        animation: none !important;
    }
}