/* Layer Declaration */
@layer reset, base, theme, layout, components, utilities;

/* ---------------------------------------------------- */
/* Theme & Design Tokens Layer                          */
/* ---------------------------------------------------- */
@layer theme {
  :root {
    color-scheme: light dark;
    
    /* Core Typography Tokens */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Brand Accents */
    --color-veiro-indigo: oklch(0.55 0.22 250);
    --color-amz-orange: oklch(0.68 0.22 45);
    --color-flash-purple: oklch(0.6 0.22 300);
    --color-start-teal: oklch(0.7 0.16 195);
    
    /* Dynamic Semantic Colors (Tier 2) */
    --color-primary: light-dark(oklch(0.6 0.18 250), oklch(0.48 0.22 260));
    --color-primary-hover: light-dark(oklch(0.52 0.2 250), oklch(0.52 0.22 260));
    
    --color-bg: light-dark(oklch(0.99 0.005 240), oklch(0.08 0.015 240));
    --color-bg-subtle: light-dark(oklch(0.96 0.01 240), oklch(0.1 0.018 240));
    
    --color-text: light-dark(oklch(0.22 0.02 240), oklch(0.94 0.015 240));
    --color-text-muted: light-dark(oklch(0.48 0.02 240), oklch(0.68 0.015 240));
    --color-text-inverse: oklch(0.98 0.01 240);
    
    --color-card-bg: light-dark(oklch(1 0 0), oklch(0.14 0.015 240 / 0.85));
    --color-card-border: light-dark(oklch(0.92 0.01 240), oklch(0.26 0.02 240 / 0.8));
    --color-card-hover-border: light-dark(oklch(0.75 0.08 240), oklch(0.45 0.08 245));
    
    --color-header-bg: light-dark(oklch(1 0 0 / 0.8), oklch(0.08 0.015 240 / 0.75));
    --color-modal-bg: light-dark(oklch(1 0 0), oklch(0.12 0.02 240));
    
    --color-focus: oklch(0.6 0.16 240);
    
    /* General UI (Tier 3) */
    --shadow-sm: light-dark(0 2px 6px rgba(0, 0, 0, 0.03), 0 2px 8px rgba(0, 0, 0, 0.2));
    --shadow-md: light-dark(0 8px 24px rgba(0, 0, 0, 0.05), 0 8px 32px rgba(0, 0, 0, 0.4));
    --shadow-lg: light-dark(0 16px 48px rgba(0, 0, 0, 0.08), 0 16px 64px rgba(0, 0, 0, 0.6));
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    --container-width: 1200px;
    
    /* Animation Tokens */
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

  /* Support setting manual class override from JS */
  html[data-theme="light"] {
    color-scheme: light;
  }
  
  html[data-theme="dark"] {
    color-scheme: dark;
  }
}

/* ---------------------------------------------------- */
/* Reset Layer                                          */
/* ---------------------------------------------------- */
@layer reset {
  html, body, div, span, h1, h2, h3, h4, h5, h6, p, a, img, ul, li, nav, section, header, footer, dialog, form, label, input, textarea, button {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  img, svg, video {
    display: block;
    max-inline-size: 100%;
    block-size: auto;
    aspect-ratio: attr(width) / attr(height);
  }

  input, textarea, button {
    font: inherit;
    color: inherit;
  }
  
  ul {
    list-style: none;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
}

/* ---------------------------------------------------- */
/* Base Styles Layer                                    */
/* ---------------------------------------------------- */
@layer base {
  html {
    scroll-behavior: smooth;
    font-size: 100%;
  }

  body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    transition: background-color var(--transition-normal), color var(--transition-normal);
  }
  
  :focus-visible {
    outline: 2px solid var(--color-focus);
    outline-offset: 4px;
  }
  
  body {
    scrollbar-color: light-dark(oklch(0.8 0.01 240), oklch(0.25 0.02 240)) transparent;
    scrollbar-width: thin;
  }

  ::selection {
    background-color: light-dark(oklch(0.88 0.08 240), oklch(0.28 0.16 250));
    color: inherit;
  }

  h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-text);
  }
}

/* ---------------------------------------------------- */
/* Layout Layer                                         */
/* ---------------------------------------------------- */
@layer layout {
  .container {
    inline-size: 100%;
    max-inline-size: var(--container-width);
    margin-inline: auto;
    padding-inline: 1.5rem;
  }

  .main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: var(--color-header-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-card-border);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
  }

  .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    block-size: 80px;
  }

  .logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-fast);
    color: var(--color-text);
  }

  .logo:hover {
    transform: scale(1.02);
    color: var(--color-primary);
  }

  .logo-image-wrapper {
    display: flex;
    align-items: center;
    block-size: 36px;
    inline-size: 96px;
  }

  .logo-svg {
    inline-size: 100%;
    block-size: 100%;
    display: block;
    transform: skewX(-8deg); /* Modern futuristic slant */
    transition: color var(--transition-fast);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
  }

  .hero-section {
    padding-block-start: 160px;
    padding-block-end: 80px;
    position: relative;
    overflow: hidden;
  }

  .hero-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
  }

  @media (min-width: 992px) {
    .hero-container {
      grid-template-columns: 1.1fr 0.9fr;
    }
  }

  .hero-content {
    max-inline-size: 640px;
  }

  .hero-tagline {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.25em;
    color: var(--color-primary);
    margin-block-end: 1rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 1.5rem + 4vw, 3.75rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    margin-block-end: 1.5rem;
    text-wrap: balance;
    background: linear-gradient(to right, var(--color-text), light-dark(oklch(0.4 0.02 240), oklch(0.8 0.015 240)));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-subtitle {
    font-size: clamp(1.05rem, 1rem + 0.5vw, 1.2rem);
    color: var(--color-text-muted);
    margin-block-end: 2.5rem;
    text-wrap: pretty;
  }

  .hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .projects-section, .contact-section {
    padding-block: 100px;
  }

  .projects-section {
    background-color: var(--color-bg-subtle);
    border-block: 1px solid var(--color-card-border);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
  }

  .section-header {
    text-align: center;
    max-inline-size: 700px;
    margin-inline: auto;
    margin-block-end: 4rem;
  }

  .section-title {
    font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem);
    letter-spacing: -0.02em;
    margin-block-end: 1rem;
  }

  .section-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    text-wrap: pretty;
  }

  .main-footer {
    padding-block: 40px;
    border-top: 1px solid var(--color-card-border);
    background-color: var(--color-bg);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
  }

  .footer-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
    text-align: center;
  }

  @media (min-width: 768px) {
    .footer-container {
      flex-direction: row;
      justify-content: space-between;
      text-align: left;
    }
  }

  .footer-links {
    display: flex;
    gap: 2rem;
  }

  .footer-links a:hover {
    color: var(--color-primary);
  }
}

/* ---------------------------------------------------- */
/* Components Layer                                     */
/* ---------------------------------------------------- */
@layer components {
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding-block: 0.875rem;
    padding-inline: 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    border: 2px solid transparent;
    text-align: center;
    min-block-size: 48px;
  }

  @media (pointer: coarse) {
    .btn {
      min-block-size: 54px;
    }
  }

  .btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    box-shadow: 0 4px 12px light-dark(rgba(99, 102, 241, 0.15), rgba(0, 0, 0, 0.4));
  }

  .btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px light-dark(rgba(99, 102, 241, 0.25), rgba(0, 0, 0, 0.6));
  }

  .btn-primary:active:not(:disabled) {
    transform: translateY(0);
  }

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

  .btn-secondary:hover:not(:disabled) {
    background-color: var(--color-bg-subtle);
    border-color: var(--color-card-hover-border);
    transform: translateY(-2px);
  }

  .btn-secondary:active:not(:disabled) {
    transform: translateY(0);
  }
  
  .btn-block {
    display: flex;
    width: 100%;
  }

  /* Theme Toggle Button */
  .theme-toggle {
    background: none;
    border: 1px solid var(--color-card-border);
    color: var(--color-text);
    padding: 0.625rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
    min-block-size: 44px;
    min-inline-size: 44px;
  }

  .theme-toggle:hover {
    background-color: var(--color-bg-subtle);
    color: var(--color-primary);
    border-color: var(--color-primary);
  }

  .theme-toggle svg {
    inline-size: 20px;
    block-size: 20px;
  }

  :root .sun-icon { display: none; }
  :root .moon-icon { display: block; }
  html[data-theme="dark"] .sun-icon { display: block; }
  html[data-theme="dark"] .moon-icon { display: none; }
  
  @media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]) .sun-icon { display: block; }
    html:not([data-theme="light"]) .moon-icon { display: none; }
  }

  /* Redesigned Hero Visual (Ecosystem Panels) */
  .hero-visual {
    position: relative;
    block-size: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  @media (min-width: 768px) {
    .hero-visual {
      block-size: 460px;
    }
  }

  .ecosystem-visual-container {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 10;
    inline-size: 100%;
    max-inline-size: 340px;
  }

  @media (min-width: 576px) {
    .ecosystem-visual-container {
      max-inline-size: 440px;
      block-size: 360px;
    }
  }

  /* Interactive Panels representing Brands */
  .visual-panel {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 1.15rem;
    backdrop-filter: blur(12px);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    cursor: default;
    
    /* Animation definition for floating panels */
    animation: floatPanel 6s infinite ease-in-out;
  }

  @media (min-width: 576px) {
    .visual-panel {
      position: absolute;
      inline-size: 260px;
    }
    
    /* Staggered arrangement on desktop representing unified ecosystem */
    .panel-amz {
      top: 0;
      left: 0;
      animation-delay: 0s;
    }
    
    .panel-flash {
      top: 90px;
      right: 0;
      animation-delay: -2s;
    }
    
    .panel-start {
      bottom: 0;
      left: 60px;
      animation-delay: -4s;
    }
  }

  /* Specific brand borders on hover */
  .visual-panel:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-lg);
    background: light-dark(oklch(1 0 0), oklch(0.14 0.02 240 / 0.8));
  }

  .panel-amz:hover {
    border-color: var(--color-amz-orange);
    box-shadow: 0 12px 32px light-dark(rgba(255, 153, 0, 0.1), rgba(255, 153, 0, 0.25));
  }

  .panel-flash:hover {
    border-color: var(--color-flash-purple);
    box-shadow: 0 12px 32px light-dark(rgba(139, 92, 246, 0.1), rgba(139, 92, 246, 0.25));
  }

  .panel-start:hover {
    border-color: var(--color-start-teal);
    box-shadow: 0 12px 32px light-dark(rgba(6, 182, 212, 0.1), rgba(6, 182, 212, 0.25));
  }

  .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-card-border);
    padding-block-end: 0.5rem;
  }

  .panel-header .dot {
    inline-size: 6px;
    block-size: 6px;
    border-radius: 50%;
    background-color: var(--color-card-border);
  }

  .panel-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
  }

  .panel-metric {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
  }

  /* Badges */
  .badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .badge-orange {
    background-color: light-dark(oklch(0.95 0.03 45), oklch(0.2 0.05 45));
    color: var(--color-amz-orange);
  }

  .badge-purple {
    background-color: light-dark(oklch(0.95 0.03 300), oklch(0.2 0.05 300));
    color: var(--color-flash-purple);
  }

  .badge-teal {
    background-color: light-dark(oklch(0.95 0.02 195), oklch(0.2 0.04 195));
    color: var(--color-start-teal);
  }

  /* Panel Internal Mock Elements */
  
  /* AMZ Chart */
  .chart-container {
    display: flex;
    align-items: flex-end;
    gap: 4px;
    block-size: 32px;
  }

  .chart-bar {
    inline-size: 8px;
    border-radius: 2px 2px 0 0;
    background-color: var(--color-card-border);
    transition: background-color var(--transition-fast);
  }

  .panel-amz:hover .chart-bar {
    background-color: var(--color-amz-orange);
  }

  .bar-1 { block-size: 12px; }
  .bar-2 { block-size: 20px; }
  .bar-3 { block-size: 16px; }
  .bar-4 { block-size: 28px; animation: loadBar 1.2s infinite alternate ease-in-out; }
  .bar-5 { block-size: 32px; animation: loadBar 1.2s infinite alternate ease-in-out 0.3s; }

  @keyframes loadBar {
    0% { transform: scaleY(1); }
    100% { transform: scaleY(0.7); }
  }

  /* Flash Automation Rows */
  .automation-grid {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-grow: 1;
  }

  .grid-row {
    display: flex;
    align-items: center;
    gap: 6px;
  }

  .grid-row .indicator {
    inline-size: 6px;
    block-size: 6px;
    border-radius: 50%;
    background-color: var(--color-card-border);
  }

  .grid-row .indicator.active {
    background-color: var(--color-flash-purple);
    box-shadow: 0 0 8px var(--color-flash-purple);
    animation: pulseIndicator 1.5s infinite alternate ease-in-out;
  }

  @keyframes pulseIndicator {
    0% { opacity: 0.4; }
    100% { opacity: 1; }
  }

  .fake-data {
    inline-size: 40px;
    block-size: 4px;
    border-radius: 2px;
    background-color: var(--color-card-border);
  }

  /* Start Web Mock Outline */
  .web-outline {
    inline-size: 60px;
    block-size: 32px;
    border: 1px solid var(--color-card-border);
    border-radius: 3px;
    padding: 3px;
    display: flex;
    flex-direction: column;
    gap: 3px;
    background-color: light-dark(oklch(0.97 0.005 240), oklch(0.15 0.015 240));
  }

  .web-hero {
    block-size: 10px;
    border-radius: 1px;
    background-color: var(--color-card-border);
  }

  .panel-start:hover .web-hero {
    background-color: var(--color-start-teal);
  }

  .web-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
  }

  .web-cards span {
    block-size: 8px;
    border-radius: 1px;
    background-color: var(--color-card-border);
  }

  /* Decorative Glow Spheres */
  .glow-sphere {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
    opacity: 0.55;
    animation: pulseMesh 14s infinite alternate ease-in-out;
  }

  .glow-1 {
    inline-size: 260px;
    block-size: 260px;
    background: radial-gradient(circle, var(--color-amz-orange) 0%, transparent 70%);
    top: 5%;
    left: -5%;
  }

  .glow-2 {
    inline-size: 280px;
    block-size: 280px;
    background: radial-gradient(circle, var(--color-flash-purple) 0%, transparent 70%);
    bottom: 5%;
    right: -5%;
    animation-delay: -5s;
  }

  .glow-3 {
    inline-size: 240px;
    block-size: 240px;
    background: radial-gradient(circle, var(--color-start-teal) 0%, transparent 70%);
    top: 30%;
    left: 40%;
    animation-delay: -9s;
  }

  /* Floating keyframe layout animation */
  @keyframes floatPanel {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0px); }
  }

  @keyframes pulseMesh {
    0% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.15) translate(30px, -20px); }
    100% { transform: scale(0.9) translate(-15px, 15px); }
  }

  /* Filter Navigation Bar */
  .filter-nav {
    display: flex;
    justify-content: center;
    margin-block-end: 3rem;
  }

  .filter-buttons-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    background-color: light-dark(oklch(0.95 0.005 240), oklch(0.12 0.015 240));
    padding: 0.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-card-border);
  }

  .filter-btn {
    background: none;
    border: none;
    padding-block: 0.5rem;
    padding-inline: 1.25rem;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    min-block-size: 40px;
  }

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

  .filter-btn.active {
    background-color: var(--color-card-bg);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
  }

  /* Projects Grid */
  .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 2.25rem;
    transition: opacity var(--transition-normal);
  }
  
  .projects-grid.filtering {
    opacity: 0.5;
  }

  .no-js-notice {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--color-text-muted);
  }

  /* Project Card */
  .project-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-md);
    padding: 2.25rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    min-block-size: 330px;
    
    corner-shape: squircle;
  }

  .project-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient, var(--color-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
  }

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

  .project-card:hover::before {
    transform: scaleX(1);
  }

  .project-card-header {
    margin-block-end: 1.5rem;
  }

  .project-card-category {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--project-accent, var(--color-primary));
    margin-block-end: 0.5rem;
  }

  .project-card-title {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-block-end: 0.25rem;
  }
  
  .project-card-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
  }

  .project-card-body {
    flex-grow: 1;
    margin-block-end: 1.5rem;
  }

  .project-card-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    text-wrap: pretty;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .project-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--color-card-border);
    padding-block-start: 1.25rem;
  }

  .project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    max-inline-size: 70%;
  }

  .tag {
    font-size: 0.75rem;
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-card-border);
    padding-block: 0.15rem;
    padding-inline: 0.5rem;
    border-radius: 4px;
    color: var(--color-text-muted);
  }

  .project-link-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    inline-size: 32px;
    block-size: 32px;
    border-radius: 50%;
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-card-border);
    color: var(--color-text-muted);
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  }

  .project-card:hover .project-link-indicator {
    background-color: var(--project-accent, var(--color-primary));
    color: var(--color-text-inverse);
    border-color: transparent;
  }

  .project-link-indicator svg {
    inline-size: 16px;
    block-size: 16px;
  }

  .project-card {
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), opacity 0.5s ease-out, translate 0.5s ease-out;
  }

  @starting-style {
    .project-card {
      opacity: 0;
      translate: 0 20px;
    }
  }

  /* Dialog Modal Popup */
  .project-modal {
    border: none;
    padding: 0;
    max-inline-size: 640px;
    inline-size: calc(100% - 2rem);
    border-radius: var(--radius-lg);
    background-color: var(--color-modal-bg);
    box-shadow: var(--shadow-lg);
    color: var(--color-text);
    overflow: hidden;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    margin: 0;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), display 0.3s allow-discrete;
  }

  .project-modal[open] {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }

  @starting-style {
    .project-modal[open] {
      opacity: 0;
      transform: translate(-50%, -50%) scale(0.95);
    }
  }

  .project-modal::backdrop {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(6px);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), display 0.3s allow-discrete;
  }

  .project-modal[open]::backdrop {
    opacity: 1;
  }

  @starting-style {
    .project-modal[open]::backdrop {
      opacity: 0;
    }
  }

  .modal-content {
    position: relative;
    padding: 3rem 2.5rem 2.5rem 2.5rem;
  }

  .modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: 1px solid var(--color-card-border);
    color: var(--color-text-muted);
    cursor: pointer;
    inline-size: 36px;
    block-size: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }

  .modal-close:hover {
    background-color: var(--color-bg-subtle);
    color: var(--color-text);
  }

  .modal-close svg {
    inline-size: 16px;
    block-size: 16px;
  }

  .modal-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  .modal-header-info {
    border-bottom: 1px solid var(--color-card-border);
    padding-block-end: 1rem;
  }

  .modal-category {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--modal-accent, var(--color-primary));
    margin-block-end: 0.5rem;
  }

  .modal-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-block-end: 0.25rem;
  }

  .modal-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    font-weight: 500;
  }

  .modal-desc {
    font-size: 1.05rem;
    color: var(--color-text);
    text-wrap: pretty;
  }

  .modal-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .modal-actions {
    display: flex;
    gap: 1rem;
    margin-block-start: 1rem;
  }

  /* Corporate & Contact Panels */
  .contact-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  @media (min-width: 992px) {
    .contact-container {
      grid-template-columns: 1fr 1fr;
    }
  }

  .contact-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-block-end: 2.5rem;
    text-wrap: pretty;
  }

  .company-details-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
  }

  .company-name {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-block-end: 1.5rem;
    color: var(--color-primary);
  }

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

  .details-list li {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    border-bottom: 1px solid var(--color-bg-subtle);
    padding-block-end: 0.75rem;
  }

  .details-list li:last-child {
    border-bottom: none;
    padding-block-end: 0;
  }

  .detail-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    font-weight: 600;
  }

  .detail-value {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--color-text);
  }

  .contact-form-panel {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-md);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
  }

  .panel-title {
    font-size: 1.75rem;
    letter-spacing: -0.02em;
  }

  .panel-subtitle {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-block-end: 0.5rem;
  }

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

  .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
  }

  .form-group input, .form-group textarea {
    background-color: var(--color-bg-subtle);
    border: 1px solid var(--color-card-border);
    padding: 0.875rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    color: var(--color-text);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
  }

  .form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--color-focus);
    background-color: var(--color-card-bg);
  }

  .form-group textarea {
    resize: vertical;
  }
}

/* ---------------------------------------------------- */
/* Utilities Layer                                      */
/* ---------------------------------------------------- */
@layer utilities {
  @media (prefers-reduced-motion: reduce) {
    *, ::before, ::after {
      animation-delay: -1ms !important;
      animation-duration: 1ms !important;
      animation-iteration-count: 1 !important;
      background-attachment: scroll !important;
      scroll-behavior: auto !important;
      transition-duration: 0s !important;
      transition-delay: 0s !important;
    }
    .visual-panel {
      animation: none !important;
    }
  }

  @media (forced-colors: active) {
    :root {
      --color-primary: CanvasText;
      --color-primary-hover: Highlight;
      --color-card-border: CanvasText;
      --color-card-hover-border: Highlight;
    }
    
    .project-card, .company-details-card, .contact-form-panel, .visual-panel {
      border: 1px solid CanvasText;
    }
    
    .theme-toggle, .btn {
      border: 2px solid ButtonText;
    }
  }

  /* Privacy disclaimer under the contact form */
  .form-disclaimer {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-block-start: 1rem;
    margin-block-end: 1.2rem;
    line-height: 1.4;
  }

  .link-btn {
    background: none;
    border: none;
    padding: 0;
    color: var(--color-primary);
    text-decoration: underline;
    cursor: pointer;
    font-weight: 500;
    transition: color var(--transition-fast);
  }

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

  /* Privacy modal styling */
  .privacy-body {
    padding-inline: 0.5rem;
    padding-block: 0.5rem;
    color: var(--color-text);
    text-align: left;
  }

  .privacy-body h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
    margin-block-end: 1.2rem;
    color: var(--color-text);
  }

  .privacy-body h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-block-start: 1.5rem;
    margin-block-end: 0.5rem;
    color: var(--color-text);
  }

  .privacy-body p {
    font-size: 0.95rem;
    margin-block-end: 1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
  }

  .privacy-body ul {
    margin-block-end: 1rem;
    padding-inline-start: 1.25rem;
    list-style-type: disc;
  }

  .privacy-body li {
    font-size: 0.95rem;
    margin-block-end: 0.5rem;
    color: var(--color-text-muted);
    line-height: 1.6;
  }
}