/* ============================================================
   cristianprograma.com — app.css
   Brand: brand-tokens.json 2026-05-23
   Design direction: dark-first, brand green #1A7A41
   ============================================================ */

/* Google Fonts — Space Grotesk + Inter (400-700, display=swap) */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');


/* ============================================================
   Base layer
   ============================================================ */
@layer base {
  :root {
    /* ---- Brand color tokens ---- */
    --color-primary:           #1A7A41;
    --color-primary-dark:      #125831;
    --color-primary-light:     #E8F5EE;
    --color-secondary:         #0F5E2D;
    --color-secondary-dark:    #0A4520;
    --color-neutral-50:        #F7F7F7;
    --color-neutral-100:       #E8E8E8;
    --color-neutral-200:       #C9C9C9;
    --color-neutral-300:       #ABABAB;
    --color-neutral-400:       #919191;
    --color-neutral-500:       #787878;
    --color-neutral-600:       #5E5E5E;
    --color-neutral-700:       #444444;
    --color-neutral-800:       #2B2B2B;
    --color-neutral-900:       #111111;
    --color-text-on-primary:   #FFFFFF;
    --color-text-on-secondary: #FFFFFF;
    --color-danger:            #C93B3B;
    --color-success:           #1A7A41;
    --color-warning:           #D4960A;

    /* ---- Surface + border tokens ---- */
    --border-subtle:       rgba(255,255,255,0.08);
    --border-default:      rgba(255,255,255,0.14);
    --surface-glass:       rgba(255,255,255,0.04);
    --surface-glass-hover: rgba(255,255,255,0.06);

    /* ---- Radius tokens ---- */
    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --radius-2xl:  24px;

    /* ---- Transition presets ---- */
    --t-fast:   120ms ease-out;
    --t-button: 150ms ease-out;
    --t-card:   200ms ease-out;
    --t-panel:  220ms ease-in-out;
  }

  html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
  }

  body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-neutral-900);
    color: var(--color-neutral-50);
    font-size: 1rem;
    line-height: 1.625;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
  }

  /* Heading defaults — Space Grotesk */
  h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    color: var(--color-neutral-50);
    letter-spacing: -0.02em;
    line-height: 1.2;
  }

  h1 {
    font-size: clamp(2.25rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
  }

  h2 {
    font-size: clamp(1.875rem, 4vw, 2.25rem);
    font-weight: 600;
  }

  h3 {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.35;
  }

  h4 {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.5;
  }

  h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: var(--color-neutral-50);
  }

  p {
    color: var(--color-neutral-500);
    line-height: 1.625;
  }

  p.lead {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-neutral-400);
  }

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

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

  /* Selection highlight */
  ::selection {
    background-color: rgba(26,122,65,0.25);
    color: var(--color-neutral-50);
  }

  /* Focus ring — consistent across interactive elements */
  :focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: 4px;
  }

  /* Remove default list styles for nav/utility lists */
  ul[role="list"],
  ol[role="list"] {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  /* Images */
  img, svg {
    display: block;
    max-width: 100%;
  }

  /* Horizontal rule default */
  hr {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
    opacity: 0.3;
    margin: 2rem 0;
  }

  /* Code — inline */
  code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.875em;
    background: rgba(26,122,65,0.08);
    color: var(--color-primary);
    padding: 0.125em 0.375em;
    border-radius: 4px;
    border: 1px solid rgba(26,122,65,0.15);
  }

  pre code {
    background: transparent;
    border: none;
    padding: 0;
    font-size: inherit;
  }

  pre {
    background: var(--color-neutral-800);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 12px;
    padding: 1.5rem;
    overflow-x: auto;
    font-size: 0.875rem;
    line-height: 1.6;
  }
}


/* ============================================================
   Component layer
   ============================================================ */
@layer components {

  /* ----------------------------------------------------------
     Buttons
  ---------------------------------------------------------- */

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--color-primary);
    color: var(--color-text-on-primary);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition:
      background-color var(--t-button),
      box-shadow var(--t-button),
      transform var(--t-button);
  }

  .btn-primary:hover {
    background-color: var(--color-primary-dark);
    box-shadow: 0 0 20px rgba(26,122,65,0.35);
    transform: translateY(-1px);
    color: var(--color-text-on-primary);
  }

  .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 0 12px rgba(26,122,65,0.25);
  }

  .btn-primary .btn-icon {
    transition: transform var(--t-button);
  }

  .btn-primary:hover .btn-icon {
    transform: translateX(2px);
  }

  .btn-primary:focus-visible {
    outline: 2px solid var(--color-primary-light);
    outline-offset: 3px;
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--color-secondary);
    color: var(--color-text-on-secondary);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition:
      background-color var(--t-button),
      box-shadow var(--t-button),
      transform var(--t-button);
  }

  .btn-secondary:hover {
    background-color: var(--color-secondary-dark);
    box-shadow: 0 0 20px rgba(15,94,45,0.35);
    transform: translateY(-1px);
    color: var(--color-text-on-secondary);
  }

  .btn-secondary:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 3px;
  }

  .btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 0 12px rgba(15,94,45,0.25);
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background-color: transparent;
    color: var(--color-neutral-500);
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    text-decoration: none;
    text-underline-offset: 3px;
    transition: color var(--t-fast);
  }

  .btn-ghost:hover {
    color: var(--color-neutral-50);
  }

  /* Small variants */
  .btn-primary-sm {
    font-size: 0.875rem;
    padding: 0.625rem 1.25rem;
  }

  .btn-secondary-sm {
    font-size: 0.875rem;
    padding: 0.5625rem 1.1875rem;
  }


  /* ----------------------------------------------------------
     Cards
  ---------------------------------------------------------- */

  /* Default dark-mode card */
  .card {
    background: var(--surface-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition:
      border-color var(--t-card),
      box-shadow var(--t-card);
  }

  .card:hover {
    border-color: var(--border-default);
    box-shadow: 0 0 24px rgba(26,122,65,0.12);
  }

  /* Featured card — service cards, highlighted items */
  .card-featured {
    background: rgba(255,255,255,0.06);
    border-top: 1px solid rgba(26,122,65,0.4);
    border-right: 1px solid rgba(255,255,255,0.10);
    border-bottom: 1px solid rgba(255,255,255,0.10);
    border-left: 1px solid rgba(255,255,255,0.10);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition:
      border-color var(--t-card),
      box-shadow var(--t-card);
  }

  .card-featured:hover {
    border-top-color: rgba(26,122,65,0.65);
    box-shadow: 0 0 30px rgba(26,122,65,0.15);
  }

  /* Glassmorphism card */
  .glass-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition:
      border-color var(--t-card),
      box-shadow var(--t-card),
      background var(--t-card);
  }

  .glass-card:hover {
    background: rgba(255,255,255,0.07);
    border-color: rgba(26,122,65,0.2);
    box-shadow: 0 0 24px rgba(26,122,65,0.10);
  }

  /* Navigation dropdown — fondo sólido para evitar conflictos de
     backdrop-filter con el header sticky y problemas de z-index */
  .nav-dropdown {
    background: #1d1d1d;
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: var(--radius-xl);
    box-shadow:
      0 20px 48px rgba(0,0,0,0.70),
      0 0 0 1px rgba(255,255,255,0.04);
  }

  /* Stat card — large number + label */
  .stat-card {
    background: var(--surface-glass);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    text-align: center;
  }

  .stat-card .stat-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.25rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.03em;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.375rem;
  }

  .stat-card .stat-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }


  /* ----------------------------------------------------------
     Layout
  ---------------------------------------------------------- */

  .section {
    padding-top: 5rem;
    padding-bottom: 5rem;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
  }

  @media (min-width: 1024px) {
    .section {
      padding-top: 7rem;
      padding-bottom: 7rem;
      padding-left: 5rem;
      padding-right: 5rem;
    }
  }

  /* Section wrappers (full-width) */
  .section-dark {
    background-color: var(--color-neutral-900);
  }

  .section-raised {
    background-color: var(--color-neutral-800);
  }

  .section-gradient {
    background: linear-gradient(180deg, var(--color-neutral-900) 0%, var(--color-neutral-800) 50%, var(--color-neutral-900) 100%);
  }

  .section-gradient-horizontal {
    background: linear-gradient(135deg, var(--color-neutral-900) 0%, var(--color-neutral-700) 50%, var(--color-neutral-900) 100%);
  }


  /* ----------------------------------------------------------
     Typography utilities
  ---------------------------------------------------------- */

  .gradient-text {
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
  }

  .gradient-text-warm {
    background: linear-gradient(90deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent;
  }

  .hero-headline {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.5rem, 7vw, 3.75rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--color-neutral-50);
  }

  .section-heading {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.875rem, 4vw, 2.25rem);
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--color-neutral-50);
    line-height: 1.2;
  }

  .section-subheading {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-neutral-500);
    margin-top: 1rem;
  }


  /* ----------------------------------------------------------
     Badge / pill
  ---------------------------------------------------------- */

  .badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    background-color: rgba(26,122,65,0.10);
    color: var(--color-primary);
    border: 1px solid rgba(26,122,65,0.2);
    border-radius: 9999px;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    white-space: nowrap;
  }

  .badge-subtle {
    background-color: rgba(255,255,255,0.06);
    color: var(--color-neutral-500);
    border-color: rgba(255,255,255,0.08);
  }

  .badge-success {
    background-color: rgba(26,122,65,0.10);
    color: var(--color-success);
    border-color: rgba(26,122,65,0.2);
  }

  .badge-warning {
    background-color: rgba(212,150,10,0.10);
    color: var(--color-warning);
    border-color: rgba(212,150,10,0.2);
  }


  /* ----------------------------------------------------------
     Navigation
  ---------------------------------------------------------- */

  .nav-link {
    position: relative;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-neutral-500);
    text-decoration: none;
    padding-bottom: 0.125rem;
    transition: color var(--t-fast);
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background-color: var(--color-primary);
    border-radius: 9999px;
    transition: width 200ms ease-out;
  }

  .nav-link:hover,
  .nav-link.active {
    color: var(--color-neutral-50);
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }

  .nav-link.active {
    font-weight: 600;
  }


  /* ----------------------------------------------------------
     Divider
  ---------------------------------------------------------- */

  .divider {
    height: 1px;
    border: none;
    background: linear-gradient(90deg, transparent 0%, rgba(26,122,65,0.4) 50%, transparent 100%);
    margin: 0;
    opacity: 0.5;
  }

  .divider-full {
    opacity: 1;
  }

  .divider-subtle {
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.08) 50%, transparent 100%);
    opacity: 1;
  }


  /* ----------------------------------------------------------
     Decorative elements
  ---------------------------------------------------------- */

  /* Gradient orb — large radial blur used in hero */
  .orb {
    position: absolute;
    border-radius: 9999px;
    background: radial-gradient(circle, rgba(26,122,65,0.15) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
  }

  .orb-lg {
    width: 600px;
    height: 600px;
  }

  .orb-md {
    width: 400px;
    height: 400px;
  }

  .orb-sm {
    width: 240px;
    height: 240px;
  }

  /* Dot grid overlay */
  .dot-grid {
    background-image: radial-gradient(rgba(255,255,255,0.06) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
  }

  /* Card accent top edge */
  .card-accent-top {
    border-top: 1px solid rgba(26,122,65,0.5);
  }

  /* Icon container — service icons */
  .icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: rgba(26,122,65,0.10);
    border: 1px solid rgba(26,122,65,0.2);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    flex-shrink: 0;
  }

  .icon-container-lg {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-xl);
  }


  /* ----------------------------------------------------------
     Feature list
  ---------------------------------------------------------- */

  .feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    font-size: 0.9375rem;
    color: var(--color-neutral-400);
    line-height: 1.5;
  }

  .feature-list .check-icon {
    flex-shrink: 0;
    margin-top: 0.125rem;
    color: var(--color-primary);
    width: 1.125rem;
    height: 1.125rem;
  }


  /* ----------------------------------------------------------
     Forms (contact / booking)
  ---------------------------------------------------------- */

  .form-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
  }

  .form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-neutral-400);
    letter-spacing: 0.01em;
  }

  .form-input {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: var(--radius-md);
    color: var(--color-neutral-50);
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    padding: 0.75rem 1rem;
    width: 100%;
    transition:
      border-color var(--t-card),
      box-shadow var(--t-card);
    -webkit-appearance: none;
  }

  .form-input::placeholder {
    color: var(--color-neutral-600);
  }

  .form-input:focus {
    outline: none;
    border-color: rgba(26,122,65,0.5);
    box-shadow: 0 0 0 3px rgba(26,122,65,0.08);
  }

  .form-input:focus-visible {
    outline: none;
    border-color: rgba(26,122,65,0.5);
    box-shadow: 0 0 0 3px rgba(26,122,65,0.25);
  }

  .form-input:focus-visible {
    outline: none;
    border-color: rgba(26,122,65,0.5);
    box-shadow: 0 0 0 3px rgba(26,122,65,0.25);
  }

  .form-input:hover:not(:focus) {
    border-color: rgba(255,255,255,0.18);
  }

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


  /* ----------------------------------------------------------
     Navigation bar
  ---------------------------------------------------------- */

  .navbar {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(17,17,17,0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 0 1.5rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 100%;
  }

  .navbar-inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
  }

  .navbar-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
    padding: 0;
    margin: 0;
  }


  /* ----------------------------------------------------------
     Hero section
  ---------------------------------------------------------- */

  .hero {
    position: relative;
    overflow: hidden;
    background-color: var(--color-neutral-900);
    min-height: 90vh;
    display: flex;
    align-items: center;
  }

  .hero-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 8rem 1.5rem 6rem;
  }

  @media (min-width: 1024px) {
    .hero-content {
      padding: 10rem 5rem 8rem;
    }
  }


  /* ----------------------------------------------------------
     Blog / prose
  ---------------------------------------------------------- */

  .prose-brand {
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-neutral-400);
    max-width: 72ch;
  }

  .prose-brand h2,
  .prose-brand h3 {
    font-family: 'Space Grotesk', sans-serif;
    color: var(--color-neutral-50);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
  }

  .prose-brand h2 { font-size: 1.5rem; }
  .prose-brand h3 { font-size: 1.25rem; }

  .prose-brand p { margin-bottom: 1.25rem; }

  .prose-brand a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(26,122,65,0.4);
    transition: text-decoration-color var(--t-fast);
  }

  .prose-brand a:hover {
    text-decoration-color: var(--color-primary);
  }

  /* Light mode prose — blog / legal */
  .prose-light {
    color: var(--color-neutral-700);
    background-color: var(--color-neutral-50);
  }

  .prose-light h2,
  .prose-light h3 {
    color: var(--color-neutral-800);
  }

  .prose-light a {
    color: var(--color-primary-dark);
  }
}


/* ============================================================
   Utilities layer
   ============================================================ */
@layer utilities {

  /* Animation triggers */
  .animate-fade-in  { animation: fade-in  0.4s  ease-out both; }
  .animate-slide-up { animation: slide-up 0.45s ease-out both; }
  .animate-float    { animation: float    4s    ease-in-out infinite; }
  .animate-pulse-glow {
    animation: pulse-glow 2.4s ease-in-out infinite;
  }

  /* Animation delay utilities */
  .delay-75  { animation-delay:  75ms; }
  .delay-100 { animation-delay: 100ms; }
  .delay-150 { animation-delay: 150ms; }
  .delay-200 { animation-delay: 200ms; }
  .delay-300 { animation-delay: 300ms; }
  .delay-400 { animation-delay: 400ms; }
  .delay-500 { animation-delay: 500ms; }

  /* Keyframes (duplicated here for standalone CSS use outside Play CDN) */
  @keyframes fade-in {
    0%   { opacity: 0; }
    100% { opacity: 1; }
  }

  @keyframes slide-up {
    0%   { opacity: 0; transform: translateY(18px); }
    100% { opacity: 1; transform: translateY(0); }
  }

  @keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 16px rgba(26,122,65,0.25); }
    50%       { box-shadow: 0 0 32px rgba(26,122,65,0.55); }
  }

  @keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-8px); }
  }

  /* Text utilities — semantic names */
  .text-brand-primary  { color: var(--color-primary); }
  .text-brand-light    { color: var(--color-primary-light); }
  .text-on-dark        { color: var(--color-neutral-50); }
  .text-muted-dark     { color: var(--color-neutral-500); }

  /* Legacy aliases — keep so existing templates render correctly until Group B renames them */
  .text-primary        { color: var(--color-neutral-50); }
  .text-secondary      { color: var(--color-neutral-500); }
  .text-muted          { color: var(--color-neutral-600); }
  .text-cyan           { color: var(--color-primary); }
  .text-on-light       { color: var(--color-neutral-800); }

  /* Background utilities — semantic names */
  .bg-dark             { background-color: var(--color-neutral-900); }
  .bg-dark-raised      { background-color: var(--color-neutral-800); }
  .bg-brand            { background-color: var(--color-primary); }

  /* Legacy aliases */
  .bg-navy             { background-color: var(--color-neutral-900); }
  .bg-navy-raised      { background-color: var(--color-neutral-800); }
  .bg-slate-indigo     { background-color: var(--color-neutral-700); }
  .bg-glass            { background: rgba(255,255,255,0.04); }
  .bg-glass-hover      { background: rgba(255,255,255,0.06); }

  /* Border utilities — semantic names */
  .border-brand        { border-color: rgba(26,122,65,0.4); }
  .border-brand-full   { border-color: var(--color-primary); }

  /* Legacy aliases */
  .border-subtle       { border-color: rgba(255,255,255,0.08); }
  .border-default      { border-color: rgba(255,255,255,0.14); }
  .border-cyan         { border-color: rgba(26,122,65,0.4); }
  .border-cyan-full    { border-color: var(--color-primary); }

  /* Overflow hidden for orb clipping */
  .clip-overflow    { overflow: hidden; }

  /* Pointer events */
  .no-pointer       { pointer-events: none; }
  .pointer          { pointer-events: auto; }

  /* Visually hidden (a11y) */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
  }

  /* Transition presets */
  .transition-brand {
    transition-property: color, background-color, border-color, box-shadow, transform, opacity;
    transition-timing-function: ease-out;
    transition-duration: 150ms;
  }

  .transition-card {
    transition-property: border-color, box-shadow, background-color;
    transition-timing-function: ease-out;
    transition-duration: 200ms;
  }
}