/* 
  =========================================
  CSS: Modern Architecture & Design System (Editorial Autobiography & Blog)
  =========================================
*/

/* --- Cascade Layers Setup --- */
@layer reset, base, tokens, layout, components, utilities;

@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
  }
  
  html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-block-size: 100vh;
    overflow-x: hidden;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
  }

  /* Accessible and standard inputs */
  button, input, select, textarea {
    font: inherit;
    color: inherit;
    background: transparent;
    border: none;
    margin: 0;
    padding: 0;
  }

  button, select {
    cursor: pointer;
  }

  textarea {
    resize: vertical;
  }

  img, svg, video {
    display: block;
    max-inline-size: 100%;
    block-size: auto;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
  }
}

@layer tokens {
  :root {
    /* Color Palette - HSL (Editorial Dark Theme focus) */
    --color-gray-50: hsl(220, 15%, 5%);
    --color-gray-100: hsl(220, 15%, 9%);
    --color-gray-200: hsl(220, 12%, 14%);
    --color-gray-300: hsl(220, 10%, 26%);
    --color-gray-700: hsl(220, 8%, 70%);
    --color-gray-800: hsl(220, 10%, 88%);
    --color-gray-900: hsl(220, 15%, 96%);

    /* Sage & Slate Accent Gradients */
    --accent-violet: hsl(135, 25%, 65%);
    --accent-blue: hsl(210, 25%, 60%); /* Slate Blue */
    --accent-violet-glow: hsla(135, 25%, 65%, 0.15);
    --accent-blue-glow: hsla(210, 25%, 60%, 0.15);

    /* Semantic Tokens */
    --bg-base: var(--color-gray-50);
    --bg-surface: hsla(220, 15%, 8%, 0.6);
    --bg-surface-hover: hsla(220, 15%, 12%, 0.85);
    
    --border-color: hsla(0, 0%, 100%, 0.07);
    --border-color-hover: hsla(0, 0%, 100%, 0.15);
    
    --text-primary: var(--color-gray-900);
    --text-secondary: var(--color-gray-700);
    --text-muted: var(--color-gray-300);

    /* Typography (Lora for narrative elements, Inter for UI components) */
    --font-heading: 'Lora', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Spacing System */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-xxl: 7rem;

    /* Glassmorphism Defaults */
    --glass-blur: blur(16px) saturate(180%);
    --glass-border: 1px solid var(--border-color);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

    /* Timing */
    --transition-smooth: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-elastic: 0.5s cubic-bezier(0.68, -0.6, 0.32, 1.6);
  }
}

@layer base {
  body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    letter-spacing: -0.011em;
    position: relative;
  }

  /* Heading Styles with Lora and text-wrap: balance */
  h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
    margin: 0;
    color: var(--text-primary);
    text-wrap: balance;
  }

  p {
    margin: 0 0 1.2em 0;
    text-wrap: pretty;
  }

  p:last-child {
    margin-bottom: 0;
  }

  /* Custom Scrollbar */
  scrollbar-color: var(--color-gray-300) var(--bg-base);
  scrollbar-width: thin;

  /* Custom Selection */
  ::selection {
    background-color: hsla(135, 25%, 65%, 0.3);
    color: var(--text-primary);
  }

  /* Interactive Elements Focus Ring */
  :focus-visible {
    outline: 2px solid var(--accent-violet);
    outline-offset: 4px;
  }
}

@layer layout {
  .container {
    inline-size: 100%;
    max-inline-size: 1200px;
    margin-inline: auto;
    padding-inline: var(--space-md);
  }

  /* Dynamic Section Spacing */
  section {
    padding-block: var(--space-xxl);
    position: relative;
  }

  /* Ambient Blur Blobs */
  .glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.12;
    pointer-events: none;
    z-index: 0;
  }

  .blob-1 {
    width: 500px;
    height: 500px;
    background-color: var(--accent-violet);
    top: -100px;
    right: -100px;
    animation: pulse-blob-1 12s infinite alternate ease-in-out;
  }

  .blob-2 {
    width: 600px;
    height: 600px;
    background-color: var(--accent-blue);
    bottom: 20%;
    left: -150px;
    animation: pulse-blob-2 15s infinite alternate ease-in-out;
  }

  .blob-3 {
    width: 400px;
    height: 400px;
    background-color: hsl(210, 25%, 60%);
    top: 50%;
    right: 10%;
    animation: pulse-blob-1 9s infinite alternate-reverse ease-in-out;
  }

  @keyframes pulse-blob-1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 80px) scale(1.1); }
  }

  @keyframes pulse-blob-2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-40px, -60px) scale(0.9); }
  }

  /* --- SPA View Manager --- */
  .view-panel {
    display: none;
    opacity: 0;
  }

  .view-panel.active-view {
    display: block;
    opacity: 1;
    animation: fade-in 0.4s ease-out forwards;
  }

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

@layer components {
  /* --- Buttons & Links --- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: 9999px;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    transition: transform var(--transition-smooth), background-color var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
    position: relative;
    overflow: hidden;
  }

  .btn-primary {
    background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
    color: var(--text-primary);
    box-shadow: 0 4px 20px var(--accent-violet-glow);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px hsla(135, 25%, 65%, 0.35);
  }

  .btn-primary:active {
    transform: translateY(0);
  }

  .btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border: var(--glass-border);
    backdrop-filter: var(--glass-blur);
  }

  .btn-secondary:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
  }

  .btn-arrow {
    margin-inline-start: 0.5rem;
    transition: transform var(--transition-smooth);
  }

  .btn-primary:hover .btn-arrow {
    transform: translateX(4px);
  }

  /* --- Navigation Header --- */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: padding var(--transition-smooth), background-color var(--transition-smooth);
    padding-block: var(--space-md);
  }

  .site-header.scrolled {
    padding-block: var(--space-xs);
    background-color: hsla(220, 15%, 5%, 0.7);
    backdrop-filter: var(--glass-blur);
    border-bottom: var(--glass-border);
  }

  .header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding-inline: var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    font-family: var(--font-body);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: 0.05em;
    color: var(--text-primary);
  }

  .logo-accent {
    background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .desktop-nav .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }

  .nav-link {
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-smooth);
    position: relative;
    padding-block: 0.25rem;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-violet), var(--accent-blue));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-smooth);
  }

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

  .nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
  }

  .nav-btn {
    padding: 0.5rem 1.25rem;
    background-color: var(--bg-surface);
    border: var(--glass-border);
    backdrop-filter: var(--glass-blur);
    border-radius: 9999px;
    font-weight: 500;
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), background-color var(--transition-smooth);
  }

  .nav-btn:hover {
    transform: translateY(-2px);
    border-color: var(--border-color-hover);
    background-color: var(--bg-surface-hover);
  }

  /* Hamburger Menu Button */
  .mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 110;
  }

  .hamburger-bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: transform var(--transition-smooth), opacity var(--transition-smooth);
    transform-origin: center;
  }

  /* Open Hamburger State */
  .mobile-toggle[aria-expanded="true"] .bar-1 {
    transform: translateY(8px) rotate(45deg);
  }

  .mobile-toggle[aria-expanded="true"] .bar-2 {
    opacity: 0;
  }

  .mobile-toggle[aria-expanded="true"] .bar-3 {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* Mobile Nav Drawer */
  .mobile-nav-drawer {
    position: fixed;
    inset: 0;
    background-color: hsla(220, 15%, 5%, 0.95);
    backdrop-filter: blur(20px);
    z-index: 99;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
  }

  .mobile-nav-drawer.active {
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }

  .mobile-nav-link {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-smooth);
  }

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

  .mobile-nav-link.btn-style {
    margin-top: var(--space-md);
    font-size: 1.2rem;
    padding: 0.75rem 2rem;
    border: var(--glass-border);
    border-radius: 9999px;
    background-color: var(--bg-surface);
  }

  /* --- Hero Section --- */
  .hero-section {
    padding-block: calc(var(--space-xxl) + 2rem) var(--space-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-block-size: 100vh;
    position: relative;
  }

  .hero-container {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: var(--space-xl);
    align-items: center;
    position: relative;
    z-index: 2;
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .badge-container {
    margin-block-end: var(--space-md);
  }

  .status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: hsla(135, 25%, 65%, 0.1);
    border: 1px solid hsla(135, 25%, 65%, 0.2);
    border-radius: 9999px;
    font-size: 0.85rem;
    font-weight: 500;
    color: hsl(135, 25%, 80%);
    white-space: normal; /* Allow badge text wrapping */
    text-align: left;
    max-width: 100%;
    box-sizing: border-box;
    word-break: break-word;
  }

  .pulse-dot {
    width: 8px;
    height: 8px;
    background-color: hsl(135, 25%, 65%);
    border-radius: 50%;
    animation: pulse-dot-anim 2s infinite;
  }

  @keyframes pulse-dot-anim {
    0% { transform: scale(0.9); box-shadow: 0 0 0 0 hsla(135, 25%, 65%, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 6px hsla(135, 25%, 65%, 0); }
    100% { transform: scale(0.9); box-shadow: 0 0 0 0 hsla(135, 25%, 65%, 0); }
  }

  .hero-heading {
    font-size: clamp(2.0rem, 1.0rem + 4vw, 3.4rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-block-end: var(--space-md);
  }

  .gradient-text {
    background: linear-gradient(135deg, var(--accent-violet) 20%, var(--accent-blue) 80%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-subtitle {
    font-size: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin-block-end: var(--space-lg);
  }

  .hero-subtitle .highlight {
    color: var(--text-primary);
    font-weight: 600;
  }

  .hero-ctas {
    display: flex;
    gap: var(--space-sm);
  }

  /* Hero Cards stack visual */
  .hero-visual {
    position: relative;
    height: 450px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  #sphere-canvas {
    width: 100%;
    height: 100%;
    max-width: 450px;
    max-height: 450px;
    display: block;
    aspect-ratio: 1;
    z-index: 10;
  }

  /* Cybersecurity Console CSS */
  /* Canvas for dynamic cybersecurity matrix background */
  #cyber-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none; /* Mouse moves fall through to hero background listener */
  }

  /* Sleek Floating Glassmorphic Telemetry Card */
  .cyber-status-card {
    width: 100%;
    max-width: 420px;
    background: rgba(8, 12, 22, 0.7);
    border: 1px solid rgba(96, 165, 250, 0.25);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 0 20px rgba(96, 165, 250, 0.04);
    padding: 1.5rem;
    font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: all 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    animation: float-y 6s ease-in-out infinite alternate;
    z-index: 10;
    position: relative;
    align-self: center;
  }

  .cyber-status-card.alert-state {
    border-color: rgba(239, 68, 68, 0.45);
    box-shadow: 0 20px 50px rgba(239, 68, 68, 0.25), inset 0 0 20px rgba(239, 68, 68, 0.08);
  }

  .cyber-status-card.scanning-state {
    border-color: rgba(245, 158, 11, 0.45);
    box-shadow: 0 20px 50px rgba(245, 158, 11, 0.2), inset 0 0 20px rgba(245, 158, 11, 0.08);
  }

  @keyframes float-y {
    0% { transform: translateY(0); }
    100% { transform: translateY(-12px); }
  }

  .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 0.75rem;
  }

  .status-light-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .status-indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    transition: background-color 0.3s;
  }

  .status-indicator-dot.green {
    background-color: #10b981;
    box-shadow: 0 0 8px #10b981;
    animation: pulse-green 1.5s infinite;
  }

  .status-indicator-dot.yellow {
    background-color: #f59e0b;
    box-shadow: 0 0 8px #f59e0b;
    animation: pulse-yellow 1.2s infinite;
  }

  .status-indicator-dot.red {
    background-color: #ef4444;
    box-shadow: 0 0 8px #ef4444;
    animation: pulse-red 0.8s infinite;
  }

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

  @keyframes pulse-yellow {
    0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
    70% { box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }
    100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
  }

  @keyframes pulse-red {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
    70% { box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
  }

  .status-indicator-text {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
  }

  .quantum-badge {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--accent-blue);
    background-color: rgba(96, 165, 250, 0.1);
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    border: 1px solid rgba(96, 165, 250, 0.2);
  }

  .card-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .metric-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 0.75rem;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

  .metric-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.02em;
  }

  .metric-value {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    transition: color 0.3s;
  }

  .card-terminal-log {
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 0.75rem;
    height: 120px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.65rem;
    line-height: 1.4;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
  }

  .log-line {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .log-line.info { color: #8892b0; }
  .log-line.success { color: #34d399; }
  .log-line.warn { color: #fbbf24; }
  .log-line.danger { color: #f87171; }

  .card-actions {
    display: flex;
    gap: 0.75rem;
  }

  .visual-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 0.55rem;
    font-size: 0.65rem;
    font-weight: 600;
    transition: all 0.2s;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
  }

  .visual-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
  }

  .visual-btn:active {
    transform: scale(0.97);
  }

  .visual-btn:not(.alert):hover {
    box-shadow: 0 0 10px rgba(96, 165, 250, 0.2);
    border-color: rgba(96, 165, 250, 0.4);
    color: #60a5fa;
  }

  .visual-btn.alert {
    border-color: rgba(239, 68, 68, 0.2);
  }

  .visual-btn.alert:hover {
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
    color: #f87171;
  }

  /* Mobile Responsive overrides for status card and badge */
  @media (max-width: 480px) {
    .status-badge {
      border-radius: 12px;
      font-size: 0.75rem;
      padding: 0.4rem 0.8rem;
    }

    .cyber-status-card {
      padding: 1rem;
      gap: 1rem;
      max-width: 100%;
    }

    .card-metrics {
      gap: 0.5rem;
    }

    .metric-box {
      padding: 0.5rem;
    }

    .metric-value {
      font-size: 0.95rem;
    }

    .card-actions {
      flex-direction: column;
      gap: 0.5rem;
    }

    .visual-btn {
      padding: 0.5rem;
    }
  }

  .scroll-indicator {
    position: absolute;
    bottom: var(--space-md);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--text-secondary);
  }

  .scroll-indicator a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
  }

  .mouse-icon {
    width: 20px;
    height: 32px;
    border: 2px solid var(--text-secondary);
    border-radius: 10px;
    position: relative;
  }

  .mouse-wheel {
    width: 4px;
    height: 8px;
    background-color: var(--text-primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel-anim 1.5s infinite;
  }

  @keyframes scroll-wheel-anim {
    0% { opacity: 1; transform: translate(-50%, 0); }
    100% { opacity: 0; transform: translate(-50%, 10px); }
  }

  /* --- Section Headers --- */
  .section-header {
    max-width: 650px;
    margin-block-end: var(--space-xl);
  }

  .section-title {
    font-size: clamp(2rem, 1.5rem + 2vw, 2.8rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-block-end: var(--space-xs);
  }

  .section-lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-style: italic;
  }

  /* --- About Section Layout --- */
  .about-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr 1fr;
    gap: var(--space-lg);
    align-items: start;
  }

  .about-portrait-wrapper {
    width: 100%;
    border-radius: 20px;
    border: var(--glass-border);
    overflow: hidden;
    aspect-ratio: 3 / 4;
    box-shadow: var(--glass-shadow);
    background-color: var(--color-gray-100);
  }

  .about-portrait-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
  }

  .about-portrait-wrapper:hover .about-portrait-img {
    transform: scale(1.03);
  }

  .bio-heading {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-block-end: var(--space-sm);
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .bio-text {
    color: var(--text-secondary);
    margin-block-end: var(--space-md);
    font-size: 1.05rem;
    font-family: var(--font-body);
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-block-start: var(--space-xl);
  }

  .stat-item {
    display: flex;
    flex-direction: column;
  }

  .stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 1.8rem + 1vw, 2.5rem);
    font-weight: 600;
    color: var(--accent-violet);
  }

  .stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .skills-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }

  .skill-category {
    background-color: var(--bg-surface);
    border: var(--glass-border);
    border-radius: 12px;
    padding: var(--space-md);
    backdrop-filter: var(--glass-blur);
  }

  .skill-category h4 {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    margin-block-end: var(--space-xs);
    color: var(--text-primary);
  }

  /* --- Timeline Section --- */
  .timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-inline-start: var(--space-lg);
  }

  .timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent-violet), var(--accent-blue));
  }

  .timeline-item {
    position: relative;
    margin-block-end: var(--space-xl);
  }

  .timeline-item:last-child {
    margin-block-end: 0;
  }

  .timeline-marker {
    position: absolute;
    left: -32px;
    top: 6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--bg-base);
    border: 3px solid var(--accent-blue);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
    z-index: 2;
  }

  .timeline-item:hover .timeline-marker {
    background-color: var(--accent-violet);
    border-color: var(--text-primary);
  }

  .timeline-content {
    background-color: var(--bg-surface);
    border: var(--glass-border);
    backdrop-filter: var(--glass-blur);
    border-radius: 12px;
    padding: var(--space-md);
  }

  .timeline-date {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-block-end: 0.25rem;
  }

  .timeline-role {
    font-size: 1.3rem;
    font-weight: 600;
  }

  .timeline-company {
    display: block;
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-block-end: var(--space-sm);
  }

  .timeline-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
  }

  /* --- Highlights Section (Homepage) --- */
  .highlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-block-end: var(--space-xl);
  }

  .highlights-more {
    text-align: center;
  }

  /* --- Blog Grid / Card System --- */
  .blog-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-block-end: var(--space-xl);
    padding-block: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
  }

  .search-bar-wrapper {
    position: relative;
    flex: 1;
    max-width: 400px;
    min-width: 250px;
  }

  .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
  }

  .search-bar-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    background-color: var(--color-gray-100);
    border: var(--glass-border);
    border-radius: 9999px;
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: border-color var(--transition-smooth), background-color var(--transition-smooth);
  }

  .search-bar-wrapper input:focus {
    outline: none;
    border-color: var(--accent-violet);
    background-color: var(--color-gray-200);
  }

  .category-filters {
    display: flex;
    gap: 0.5rem;
  }

  .filter-btn {
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    border: var(--glass-border);
    background-color: var(--bg-surface);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: border-color var(--transition-smooth), background-color var(--transition-smooth), color var(--transition-smooth);
  }

  .filter-btn:hover {
    border-color: var(--border-color-hover);
    color: var(--text-primary);
  }

  .filter-btn.active {
    background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
    color: var(--text-primary);
    border: none;
    box-shadow: 0 4px 15px var(--accent-violet-glow);
  }

  .blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-md);
  }

  .blog-card {
    background-color: var(--bg-surface);
    border: var(--glass-border);
    backdrop-filter: var(--glass-blur);
    border-radius: 16px;
    overflow: hidden;
    transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
    display: flex;
    flex-direction: column;
    cursor: pointer;
  }

  .blog-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-color-hover);
    box-shadow: var(--glass-shadow);
  }

  .blog-card-cover {
    height: 180px;
    position: relative;
    background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }

  .blog-card-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, transparent 20%, var(--color-gray-50) 80%);
    opacity: 0.6;
  }

  .blog-cover-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--text-primary);
    z-index: 1;
    opacity: 0.85;
    padding: var(--space-md);
    text-align: center;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
  }

  .blog-card-info {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
  }

  .blog-card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-block-end: 0.5rem;
  }

  .blog-category-tag {
    color: var(--accent-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .blog-card-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 600;
    margin-block-end: var(--space-sm);
  }

  .blog-card-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-block-end: var(--space-md);
    flex-grow: 1;
  }

  .blog-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: color var(--transition-smooth);
    margin-top: auto;
  }

  .blog-card:hover .blog-card-link {
    color: var(--accent-violet);
  }

  .search-empty-state {
    display: none;
    text-align: center;
    padding-block: var(--space-xl);
  }

  .search-empty-state.active {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .empty-icon {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
  }

  /* --- Article Details View --- */
  .reading-progress-container {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 99;
    background-color: transparent;
  }

  .reading-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-violet), var(--accent-blue));
  }

  .article-container {
    padding-block-start: calc(var(--space-xxl) + 2rem);
  }

  .article-header {
    max-width: 800px;
    margin: 0 auto var(--space-lg) auto;
  }

  .back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-block-end: var(--space-md);
    transition: color var(--transition-smooth);
  }

  .back-link:hover {
    color: var(--accent-violet);
  }

  .article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-block-end: 0.5rem;
  }

  .article-category-badge {
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background-color: var(--color-gray-200);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
  }

  .article-title {
    font-size: clamp(2.2rem, 1.8rem + 2.5vw, 3.8rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-block-end: var(--space-sm);
  }

  .article-excerpt {
    font-family: var(--font-heading);
    font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem);
    line-height: 1.5;
    color: var(--text-secondary);
    font-style: italic;
  }

  .article-hero-image-wrapper {
    max-width: 900px;
    height: 380px;
    margin: 0 auto var(--space-xl) auto;
    border-radius: 20px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--accent-violet), var(--accent-blue));
    box-shadow: var(--glass-shadow);
  }

  .article-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .article-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--space-xl);
    max-width: 980px;
    margin: 0 auto;
  }

  .article-body {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--color-gray-700);
  }

  .article-body h2 {
    font-size: 1.8rem;
    margin-top: var(--space-lg);
    margin-bottom: var(--space-sm);
  }

  .article-body h3 {
    font-size: 1.4rem;
    margin-top: var(--space-md);
    margin-bottom: var(--space-xs);
  }

  .article-body blockquote {
    margin: var(--space-md) 0;
    padding-inline-start: var(--space-md);
    border-inline-start: 4px solid var(--accent-blue);
    font-style: italic;
    color: var(--text-primary);
  }

  .article-body pre {
    background-color: var(--color-gray-100);
    border: var(--glass-border);
    border-radius: 8px;
    padding: var(--space-md);
    overflow-x: auto;
    margin-block: var(--space-md);
  }

  .article-body code {
    font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9em;
    padding: 0.2rem 0.4rem;
    background-color: var(--color-gray-100);
    border-radius: 4px;
  }

  .article-body pre code {
    padding: 0;
    background-color: transparent;
  }

  .article-video-wrapper {
    margin-block: var(--space-md);
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    border: var(--glass-border);
    background-color: var(--color-gray-100);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }

  .article-video-wrapper iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    display: block;
    border: none;
  }

  .article-video-caption {
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--text-muted);
    padding: var(--space-sm) var(--space-md);
    border-top: var(--glass-border);
    background-color: rgba(255, 255, 255, 0.02);
  }

  /* Article Sidebar */
  .article-sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
  }

  .author-card {
    background-color: var(--bg-surface);
    border: var(--glass-border);
    border-radius: 16px;
    padding: var(--space-md);
  }

  .author-avatar-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: var(--space-sm);
    border: 2px solid var(--accent-violet);
    box-shadow: 0 0 15px var(--accent-violet-glow);
  }

  .author-avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .author-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
  }

  .author-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
  }

  .author-bio-mini {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
  }

  .sidebar-btn {
    width: 100%;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
  }

  .article-footer {
    max-width: 980px;
    margin: var(--space-xl) auto 0 auto;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
  }

  .footer-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  /* --- Contact Section Layout --- */
  .contact-card-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    background-color: var(--bg-surface);
    border: var(--glass-border);
    backdrop-filter: var(--glass-blur);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--glass-shadow);
  }

  .contact-info-panel {
    padding: var(--space-xl);
    background: linear-gradient(135deg, hsla(135, 25%, 65%, 0.04), hsla(210, 25%, 60%, 0.04));
    border-inline-end: var(--glass-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .contact-heading {
    font-size: clamp(1.8rem, 1.5rem + 1vw, 2.5rem);
    font-weight: 600;
    margin-block-end: var(--space-sm);
  }

  .contact-subtext {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-block-end: var(--space-xl);
  }

  .contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
  }

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

  .method-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background-color: var(--color-gray-200);
    border: 1px solid var(--border-color);
    font-size: 1.2rem;
    color: var(--accent-blue);
  }

  .method-details {
    display: flex;
    flex-direction: column;
  }

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

  .method-link {
    font-weight: 600;
    color: var(--text-primary);
    transition: color var(--transition-smooth);
  }

  .method-link:hover {
    color: var(--accent-violet);
  }

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

  /* Form Styling */
  .contact-form-panel {
    padding: var(--space-xl);
    position: relative;
  }

  .form-group {
    display: flex;
    flex-direction: column;
    margin-block-end: var(--space-md);
  }

  .form-group label {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-block-end: 0.5rem;
  }

  .form-group input, 
  .form-group textarea, 
  .form-group select {
    padding: 0.75rem 1rem;
    background-color: var(--color-gray-100);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    transition: border-color var(--transition-smooth), background-color var(--transition-smooth), box-shadow var(--transition-smooth);
    width: 100%;
  }

  .form-group input:hover,
  .form-group textarea:hover,
  .form-group select:hover {
    border-color: var(--border-color-hover);
  }

  .form-group input:focus,
  .form-group textarea:focus,
  .form-group select:focus {
    outline: none;
    border-color: var(--accent-violet);
    background-color: var(--color-gray-200);
    box-shadow: 0 0 0 4px var(--accent-violet-glow);
  }

  /* Error messages hidden by default */
  .error-msg {
    font-size: 0.8rem;
    color: hsl(354, 70%, 54%);
    margin-top: 0.35rem;
    display: none;
  }

  /* Interactive Validation - style via :user-invalid helper */
  .form-group.has-error input,
  .form-group.has-error textarea,
  .form-group.has-error select {
    border-color: hsl(354, 70%, 54%);
    box-shadow: 0 0 0 4px hsla(354, 70%, 54%, 0.15);
  }

  .form-group.has-error .error-msg {
    display: block;
  }

  .submit-btn {
    width: 100%;
    gap: 0.5rem;
  }

  .btn-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: btn-spin 0.8s linear infinite;
  }

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

  /* Success Overlay */
  .form-success-overlay {
    position: absolute;
    inset: 0;
    background-color: var(--color-gray-50);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-smooth);
    border-radius: 0 24px 24px 0;
  }

  .form-success-overlay.active {
    opacity: 1;
    pointer-events: auto;
  }

  .success-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 320px;
  }

  .success-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: hsla(145, 80%, 40%, 0.15);
    color: hsl(145, 80%, 55%);
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
  }

  .success-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
  }

  .success-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
  }

  /* --- Footer --- */
  .site-footer {
    border-top: var(--glass-border);
    padding-block: var(--space-md);
    background-color: var(--bg-base);
  }

  .footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  .footer-socials {
    display: flex;
    gap: var(--space-md);
  }

  .social-link {
    transition: color var(--transition-smooth);
  }

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

@layer utilities {}

/* --- Unlayered Responsive Overrides (Highest Precedence) --- */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-xl);
  }
  
  .hero-content {
    align-items: center;
  }

  .hero-heading br {
    display: none;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

  .hero-visual {
    height: auto;
    min-height: 420px;
  }

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

  .about-portrait-wrapper {
    max-width: 280px;
    margin: 0 auto var(--space-md) auto;
  }

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

  .contact-info-panel {
    border-inline-end: none;
    border-bottom: var(--glass-border);
    padding: var(--space-lg);
  }

  .contact-form-panel {
    padding: var(--space-lg);
  }
  
  .form-success-overlay {
    border-radius: 0 0 24px 24px;
  }

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

  .article-sidebar {
    position: static;
    margin-top: var(--space-lg);
  }

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

@media (max-width: 768px) {
  .site-header {
    padding-block: var(--space-sm);
  }
  .desktop-nav {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .blog-controls {
    flex-direction: column;
    align-items: stretch;
  }
  .search-bar-wrapper {
    max-width: 100%;
  }
  .category-filters {
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }
  .filter-btn {
    white-space: nowrap;
  }
}

/* 
  =========================================
  CSS: Scroll-Driven Entry/Exit Animation Reveals
  =========================================
*/

@media (prefers-reduced-motion: no-preference) {
  @supports ((animation-timeline: view()) and (animation-range: entry)) {
    /* Keyframes for section & card entry reveals */
    @keyframes reveal-up {
      from {
        opacity: 0;
        transform: translateY(60px) scale(0.95);
      }
      to {
        opacity: 1;
        transform: translateY(0) scale(1);
      }
    }

    /* Track section header entrance */
    .section-header {
      animation: reveal-up auto linear backwards;
      animation-timeline: view();
      animation-range: entry 10% cover 30%;
    }

    /* Track projects grid entrance and card entry */
    .blog-card, .highlights-grid > * {
      animation: reveal-up auto linear backwards;
      animation-timeline: view();
      animation-range: entry 5% cover 25%;
    }

    /* Track timeline details entrance */
    .timeline-item {
      animation: reveal-up auto linear backwards;
      animation-timeline: view();
      animation-range: entry 10% cover 30%;
    }

    /* Track about text and expertise items */
    .about-bio, .skill-category {
      animation: reveal-up auto linear backwards;
      animation-timeline: view();
      animation-range: entry 10% cover 30%;
    }

    /* Track contact wrapper entrance */
    .contact-card-wrapper {
      animation: reveal-up auto linear backwards;
      animation-timeline: view();
      animation-range: entry 5% cover 25%;
    }
  }
}