/* ============================================================
   ProSystema Control — Design System
   Premium B2B SaaS · Production Ready
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS Custom Properties
   ------------------------------------------------------------ */

:root {

  /* — Spacing Scale (8px base) — */
  --space-1: 0.5rem;     /*   8px */
  --space-2: 1rem;       /*  16px */
  --space-3: 1.5rem;     /*  24px */
  --space-4: 2rem;       /*  32px */
  --space-5: 3rem;       /*  48px */
  --space-6: 4rem;       /*  64px */
  --space-7: 6rem;       /*  96px */
  --space-8: 8rem;       /* 128px */

  /* — Typography — */
  --font-sans: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", "Fira Mono", Menlo, Consolas, monospace;

  --text-h1:    clamp(3rem, 5vw, 4.5rem);
  --text-h2:    clamp(2.25rem, 4vw, 3.5rem);
  --text-h3:    clamp(1.75rem, 3vw, 2.25rem);
  --text-h4:    clamp(1.375rem, 2.5vw, 1.75rem);
  --text-h5:    clamp(1.125rem, 2vw, 1.375rem);
  --text-h6:    1rem;
  --text-body-lg: 1.25rem;
  --text-body:  1.0625rem;
  --text-body-sm: 0.875rem;
  --text-label: 0.75rem;

  --leading-tight:  1.15;
  --leading-snug:   1.3;
  --leading-normal: 1.65;
  --leading-relaxed: 1.8;

  --tracking-tighter: -0.04em;
  --tracking-tight:   -0.025em;
  --tracking-normal:   0;
  --tracking-wide:     0.06em;
  --tracking-wider:    0.1em;

  /* — Colors: Background — */
  --color-bg-primary:    #09090b;
  --color-bg-secondary:  #0f0f12;
  --color-bg-tertiary:   #16161a;
  --color-bg-elevated:   #1c1c21;

  /* — Colors: Surface (cards, panels) — */
  --color-surface:       rgba(255, 255, 255, 0.025);
  --color-surface-hover: rgba(255, 255, 255, 0.045);
  --color-surface-glass: rgba(255, 255, 255, 0.04);

  /* — Colors: Border — */
  --color-border:        rgba(255, 255, 255, 0.06);
  --color-border-hover:  rgba(255, 255, 255, 0.12);
  --color-border-strong: rgba(255, 255, 255, 0.18);

  /* — Colors: Text — */
  --color-text-primary:    #fafafa;
  --color-text-secondary:  #a1a1aa;
  --color-text-tertiary:   #71717a;
  --color-text-quaternary: #52525b;

  /* — Colors: Accent — */
  --color-accent:        #6366f1;
  --color-accent-hover:  #818cf8;
  --color-accent-subtle: rgba(99, 102, 241, 0.12);
  --color-accent-glow:   rgba(99, 102, 241, 0.25);

  /* — Colors: Semantic — */
  --color-success:       #22c55e;
  --color-success-subtle: rgba(34, 197, 94, 0.12);
  --color-warning:       #eab308;
  --color-warning-subtle: rgba(234, 179, 8, 0.12);
  --color-error:         #ef4444;
  --color-error-subtle:  rgba(239, 68, 68, 0.12);

  /* — Border Radius — */
  --radius-xs:   0.25rem;   /*  4px */
  --radius-sm:   0.375rem;  /*  6px */
  --radius-md:   0.75rem;   /* 12px */
  --radius-lg:   1rem;      /* 16px */
  --radius-xl:   1.5rem;    /* 24px */
  --radius-2xl:  2rem;      /* 32px */
  --radius-full: 9999px;

  /* — Shadows — */
  --shadow-sm:
    0 1px 2px rgba(0, 0, 0, 0.25),
    0 0 1px rgba(0, 0, 0, 0.1);

  --shadow-md:
    0 4px 16px rgba(0, 0, 0, 0.35),
    0 1px 3px rgba(0, 0, 0, 0.2),
    0 0 1px rgba(0, 0, 0, 0.1);

  --shadow-lg:
    0 12px 48px rgba(0, 0, 0, 0.45),
    0 4px 16px rgba(0, 0, 0, 0.25),
    0 0 1px rgba(0, 0, 0, 0.1);

  --shadow-glow:
    0 0 20px var(--color-accent-glow),
    0 0 60px rgba(99, 102, 241, 0.08);

  /* — Transitions — */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.76, 0, 0.24, 1);
  --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);

  --duration-fast:   150ms;
  --duration-normal: 300ms;
  --duration-slow:   500ms;
  --duration-slower: 800ms;

  /* — Z-index Scale — */
  --z-base:    0;
  --z-above:   10;
  --z-sticky:  100;
  --z-overlay: 1000;
  --z-modal:   2000;
  --z-toast:   3000;

  /* — Layout — */
  --container-max: 1280px;
  --container-narrow: 768px;
}


/* ------------------------------------------------------------
   2. Modern CSS Reset
   ------------------------------------------------------------ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  tab-size: 4;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100dvh;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
  text-wrap: balance;
}

p {
  overflow-wrap: break-word;
  text-wrap: pretty;
}

::selection {
  background-color: var(--color-accent-subtle);
  color: var(--color-text-primary);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-hover);
}


/* ------------------------------------------------------------
   3. Typography
   ------------------------------------------------------------ */

.h1 {
  font-size: var(--text-h1);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tighter);
  color: var(--color-text-primary);
}

.h2 {
  font-size: var(--text-h2);
  font-weight: 600;
  line-height: var(--leading-tight);
  letter-spacing: -0.035em;
  color: var(--color-text-primary);
}

.h3 {
  font-size: var(--text-h3);
  font-weight: 600;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

.h4 {
  font-size: var(--text-h4);
  font-weight: 600;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
}

.h5 {
  font-size: var(--text-h5);
  font-weight: 500;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-primary);
}

.h6 {
  font-size: var(--text-h6);
  font-weight: 500;
  line-height: var(--leading-snug);
  letter-spacing: var(--tracking-normal);
  color: var(--color-text-secondary);
}

.body-lg {
  font-size: var(--text-body-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.body {
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  color: var(--color-text-secondary);
}

.body-sm {
  font-size: var(--text-body-sm);
  line-height: var(--leading-normal);
  color: var(--color-text-tertiary);
}

.label {
  font-size: var(--text-label);
  font-weight: 500;
  line-height: 1;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.overline {
  font-size: var(--text-label);
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
}

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

.text-accent-gradient {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 50%, #c084fc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-balance { text-wrap: balance; }
.text-pretty  { text-wrap: pretty; }
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }


/* ------------------------------------------------------------
   4. Buttons
   ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: var(--text-body-sm);
  font-weight: 500;
  line-height: 1;
  letter-spacing: var(--tracking-wide);
  padding: 0.875rem 2rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition:
    background    var(--duration-normal) var(--ease-out),
    border-color  var(--duration-normal) var(--ease-out),
    color         var(--duration-normal) var(--ease-out),
    box-shadow    var(--duration-normal) var(--ease-out),
    transform     var(--duration-normal) var(--ease-out);
}

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

.btn:disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* Primary */
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent) 0%, #7c3aed 100%);
  color: #fff;
  border-color: transparent;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-hover) 0%, #8b5cf6 100%);
  box-shadow:
    0 4px 24px var(--color-accent-glow),
    0 1px 2px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.98);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border-hover);
}

.btn-ghost:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}

/* Secondary (subtle fill) */
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border-hover);
}

/* Sizes */
.btn-sm {
  font-size: var(--text-label);
  padding: 0.625rem 1.25rem;
}

.btn-lg {
  font-size: 1rem;
  padding: 1.125rem 2.5rem;
}

/* Icon button */
.btn-icon {
  padding: 0.75rem;
  border-radius: var(--radius-md);
}

.btn-icon.btn-sm { padding: 0.5rem; }
.btn-icon.btn-lg { padding: 1rem; }


/* ------------------------------------------------------------
   5. Cards
   ------------------------------------------------------------ */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition:
    background    var(--duration-slow) var(--ease-out),
    border-color  var(--duration-slow) var(--ease-out),
    box-shadow    var(--duration-slow) var(--ease-out),
    transform     var(--duration-slow) var(--ease-out);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-glass {
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  transition:
    background    var(--duration-slow) var(--ease-out),
    border-color  var(--duration-slow) var(--ease-out),
    box-shadow    var(--duration-slow) var(--ease-out);
}

.card-glass:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

.card-highlight {
  position: relative;
  overflow: hidden;
}

.card-highlight::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-accent) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-out);
}

.card-highlight:hover::before {
  opacity: 1;
}


/* ------------------------------------------------------------
   6. Layout
   ------------------------------------------------------------ */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-top: var(--space-7);
  padding-bottom: var(--space-7);
}

.section-lg {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-3);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}

/* Flex */
.flex          { display: flex; }
.flex-col      { flex-direction: column; }
.flex-wrap     { flex-wrap: wrap; }
.flex-center   { display: flex; align-items: center; justify-content: center; }
.flex-between  { display: flex; align-items: center; justify-content: space-between; }
.flex-start    { display: flex; align-items: flex-start; }
.items-center  { align-items: center; }
.items-start   { align-items: flex-start; }
.items-end     { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-1        { flex: 1; }

/* Responsive grid collapse */
@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}


/* ------------------------------------------------------------
   7. Spacing Utilities
   ------------------------------------------------------------ */

/* Margin top */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }
.mt-8 { margin-top: var(--space-8); }

/* Margin bottom */
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-7 { margin-bottom: var(--space-7); }
.mb-8 { margin-bottom: var(--space-8); }

/* Margin inline (horizontal) */
.mx-auto { margin-left: auto; margin-right: auto; }

/* Padding top */
.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-1); }
.pt-2 { padding-top: var(--space-2); }
.pt-3 { padding-top: var(--space-3); }
.pt-4 { padding-top: var(--space-4); }
.pt-5 { padding-top: var(--space-5); }
.pt-6 { padding-top: var(--space-6); }
.pt-7 { padding-top: var(--space-7); }
.pt-8 { padding-top: var(--space-8); }

/* Padding bottom */
.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-1); }
.pb-2 { padding-bottom: var(--space-2); }
.pb-3 { padding-bottom: var(--space-3); }
.pb-4 { padding-bottom: var(--space-4); }
.pb-5 { padding-bottom: var(--space-5); }
.pb-6 { padding-bottom: var(--space-6); }
.pb-7 { padding-bottom: var(--space-7); }
.pb-8 { padding-bottom: var(--space-8); }

/* Padding inline */
.px-1 { padding-left: var(--space-1); padding-right: var(--space-1); }
.px-2 { padding-left: var(--space-2); padding-right: var(--space-2); }
.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }

/* Padding block */
.py-1 { padding-top: var(--space-1); padding-bottom: var(--space-1); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-5 { padding-top: var(--space-5); padding-bottom: var(--space-5); }

/* Gap */
.gap-0 { gap: 0; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-7 { gap: var(--space-7); }
.gap-8 { gap: var(--space-8); }


/* ------------------------------------------------------------
   8. Responsive Breakpoints
   ------------------------------------------------------------ */

/* Breakpoints (reference — used in media queries):
   sm:  640px
   md:  768px
   lg:  1024px
   xl:  1280px
   2xl: 1536px
*/

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
}

@media (min-width: 1280px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}


/* ------------------------------------------------------------
   9. Components & Premium Details
   ------------------------------------------------------------ */

/* Divider */
.divider {
  height: 1px;
  border: none;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--color-border) 20%,
    var(--color-border) 80%,
    transparent 100%
  );
}

.divider-subtle {
  height: 1px;
  border: none;
  background: var(--color-border);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: var(--text-label);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.badge-accent {
  border-color: rgba(99, 102, 241, 0.2);
  background: var(--color-accent-subtle);
  color: var(--color-accent-hover);
}

.badge-success {
  border-color: rgba(34, 197, 94, 0.2);
  background: var(--color-success-subtle);
  color: var(--color-success);
}

.badge-warning {
  border-color: rgba(234, 179, 8, 0.2);
  background: var(--color-warning-subtle);
  color: var(--color-warning);
}

.badge-error {
  border-color: rgba(239, 68, 68, 0.2);
  background: var(--color-error-subtle);
  color: var(--color-error);
}

/* Input */
.input {
  width: 100%;
  font-size: var(--text-body-sm);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-primary);
  transition:
    border-color var(--duration-normal) var(--ease-out),
    box-shadow   var(--duration-normal) var(--ease-out);
}

.input::placeholder {
  color: var(--color-text-quaternary);
}

.input:hover {
  border-color: var(--color-border-hover);
}

.input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

/* Code / Mono */
.code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  padding: 0.2em 0.45em;
  border-radius: var(--radius-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-accent-hover);
}


/* ------------------------------------------------------------
   10. Animations
   ------------------------------------------------------------ */

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

.animate-fade-in {
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.animate-fade-in-up {
  animation: fadeInUp var(--duration-slow) var(--ease-out) both;
}

.animate-fade-in-down {
  animation: fadeInDown var(--duration-normal) var(--ease-out) both;
}

.animate-scale-in {
  animation: scaleIn var(--duration-normal) var(--ease-out) both;
}

.animate-pulse {
  animation: pulse 2s var(--ease-in-out) infinite;
}

/* Stagger children animation */
.stagger > * {
  animation: fadeInUp var(--duration-slow) var(--ease-out) both;
}

.stagger > *:nth-child(1) { animation-delay: 0ms; }
.stagger > *:nth-child(2) { animation-delay: 80ms; }
.stagger > *:nth-child(3) { animation-delay: 160ms; }
.stagger > *:nth-child(4) { animation-delay: 240ms; }
.stagger > *:nth-child(5) { animation-delay: 320ms; }
.stagger > *:nth-child(6) { animation-delay: 400ms; }
.stagger > *:nth-child(7) { animation-delay: 480ms; }
.stagger > *:nth-child(8) { animation-delay: 560ms; }

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ------------------------------------------------------------
   11. Utility Classes
   ------------------------------------------------------------ */

/* Display */
.block          { display: block; }
.inline-block   { display: inline-block; }
.inline-flex    { display: inline-flex; }
.hidden         { display: none; }

/* Positioning */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }
.sticky   { position: sticky; top: 0; }

/* Sizing */
.w-full   { width: 100%; }
.h-full   { height: 100%; }
.min-h-screen { min-height: 100dvh; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }

/* Opacity */
.opacity-0   { opacity: 0; }
.opacity-50  { opacity: 0.5; }
.opacity-75  { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Pointer */
.pointer-events-none { pointer-events: none; }
.cursor-pointer      { cursor: pointer; }

/* Screen reader only */
.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;
}

/* Truncate */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Decorative gradient orbs (background effects) */
.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.15;
}

.gradient-orb-accent {
  background: var(--color-accent);
}

.gradient-orb-purple {
  background: #7c3aed;
}