/* ==========================================================================
   NCLI 2026 — Consolidated Core CSS
   Merged from: base.css + components.css + motion.css + responsive.css
   ========================================================================== */

/* ===== GLOBAL BOX SIZING ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* ===== ACCESSIBLE SMOOTH SCROLLING ===== */
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ===== BODY DEFAULTS ===== */
body.ncli-page,
body {
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  margin: 0;
  padding: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== HEADINGS ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  line-height: var(--line-height-tight);
  margin-top: 0;
}

h1 { font-size: var(--font-size-h1); font-weight: var(--font-weight-extrabold); letter-spacing: -0.02em; }
h2 { font-size: var(--font-size-h2); font-weight: var(--font-weight-extrabold); letter-spacing: -0.01em; }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

/* ===== MEDIA NORMALIZE ===== */
img, video, canvas, svg {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

/* ===== LINKS ===== */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}
a:hover { color: var(--color-primary-hover); }

/* ===== FOCUS STATES (Accessibility) ===== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ===== SELECTION ===== */
::selection {
  background-color: var(--color-primary-light);
  color: var(--color-primary-hover);
}

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-pill);
  border: 2px solid var(--color-bg);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-text-muted); }

/* ===== 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;
}

/* ===== MODERN UTILITY CLASSES ===== */
.hidden,
.is-hidden { display: none !important; }
.text-center { text-align: center !important; }
.text-right  { text-align: right !important; }
.text-muted  { color: var(--color-text-muted) !important; }
.text-primary{ color: var(--color-primary) !important; }
.font-bold   { font-weight: var(--font-weight-bold) !important; }

.flex           { display: flex; }
.flex-col       { display: flex; flex-direction: column; }
.items-center   { align-items: center; }
.justify-center { justify-content: center; }
.justify-between{ justify-content: space-between; }
.flex-wrap      { flex-wrap: wrap; }

.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-6 { gap: var(--space-6); }

.w-full { width: 100%; }

.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-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10{ margin-top: var(--space-10); }

.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-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }

.rounded-md   { border-radius: var(--radius-md); }
.rounded-lg   { border-radius: var(--radius-lg); }
.rounded-xl   { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-pill); }

/* ==========================================================================
   COMPONENTS
   ========================================================================== */

/* ===== CONTAINERS ===== */
.container,
.ncli-container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.ncli-container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* ===== SECTIONS ===== */
.ncli-section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

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

.ncli-section-lg {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

/* ===== SECTION HEADINGS ===== */
.ncli-section-heading {
  text-align: center;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--space-12);
}

.ncli-section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-extrabold);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}

.ncli-section-title { margin-bottom: var(--space-3); }

.ncli-section-description {
  color: var(--color-text-muted);
  font-size: var(--font-size-lead);
  line-height: var(--line-height-normal);
  margin: 0;
}

/* ===== BUTTON SYSTEM ===== */
.ncli-btn,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: all var(--duration-fast) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

.ncli-btn-primary,
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25), inset 0 1px 0 rgba(255,255,255,0.2);
}

.ncli-btn-primary:hover,
.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(37, 99, 235, 0.35), inset 0 1px 0 rgba(255,255,255,0.2);
}

.ncli-btn-primary:active,
.btn-primary:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 2px 6px rgba(37, 99, 235, 0.2);
}

.ncli-btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.ncli-btn-secondary:hover {
  background-color: var(--color-secondary-hover);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.ncli-btn-outline,
.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.ncli-btn-outline:hover,
.btn-outline:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-hover);
  transform: translateY(-2px);
}

.ncli-btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.ncli-btn-ghost:hover {
  background-color: var(--color-surface-muted);
  color: var(--color-text);
}

.ncli-btn-icon {
  padding: var(--space-3);
  border-radius: var(--radius-pill);
}

.ncli-btn:disabled,
.ncli-btn.is-loading {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.ncli-btn.is-loading { color: transparent !important; }

.ncli-btn.is-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-top: -8px;
  margin-left: -8px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ncliSpin 0.6s linear infinite;
}

@keyframes ncliSpin { to { transform: rotate(360deg); } }

/* ===== CARDS ===== */
.ncli-card,
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-standard);
}

.ncli-card-interactive { cursor: pointer; }

.ncli-card-interactive:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary-subtle);
  box-shadow: var(--shadow-lg);
}

.ncli-card-flat {
  background-color: var(--color-surface-muted);
  border: 1px solid var(--color-border-subtle);
  box-shadow: none;
}

/* ===== GLASS PANEL ===== */
.ncli-glass {
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
}

@supports not (backdrop-filter: blur(1px)) {
  .ncli-glass { background-color: rgba(255,255,255,0.95); }
  body.dark .ncli-glass { background-color: rgba(15,23,42,0.95); }
}

/* ===== BADGES ===== */
.ncli-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-extrabold);
  border-radius: var(--radius-pill);
  line-height: 1.2;
}

.ncli-badge-primary { background-color: var(--color-primary-light); color: var(--color-primary); }
.ncli-badge-success { background-color: var(--color-success-bg); color: var(--color-success); }
.ncli-badge-warning { background-color: var(--color-warning-bg); color: var(--color-warning); }
.ncli-badge-danger  { background-color: var(--color-danger-bg);  color: var(--color-danger); }

/* ===== FORMS ===== */
.ncli-form-group { margin-bottom: var(--space-4); }

.ncli-form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.ncli-form-control,
input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]),
textarea,
select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
}

.ncli-form-control:hover { border-color: #cbd5e1; }

.ncli-form-control:focus,
input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.ncli-form-control:disabled {
  background-color: var(--color-surface-muted);
  cursor: not-allowed;
  opacity: 0.7;
}

.ncli-form-help  { font-size: var(--font-size-xs); color: var(--color-text-muted); margin-top: var(--space-1); }
.ncli-form-error { font-size: var(--font-size-xs); color: var(--color-danger); margin-top: var(--space-1); }

/* ===== ALERTS ===== */
.ncli-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
  border: 1px solid transparent;
}

.ncli-alert-success { background-color: var(--color-success-bg); color: var(--color-success); border-color: #a7f3d0; }
.ncli-alert-warning { background-color: var(--color-warning-bg); color: var(--color-warning); border-color: #fde68a; }
.ncli-alert-danger  { background-color: var(--color-danger-bg);  color: var(--color-danger);  border-color: #fca5a5; }
.ncli-alert-info    { background-color: var(--color-info-bg);    color: var(--color-info);    border-color: #bfdbfe; }

/* ==========================================================================
   MOTION PRIMITIVES
   ========================================================================== */

[data-animate] {
  opacity: 0;
  will-change: opacity, transform, filter;
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-smooth),
              filter var(--duration-slow) var(--ease-smooth);
}

[data-animate="fade-up"]   { transform: translateY(28px); }
[data-animate="fade-down"] { transform: translateY(-28px); }
[data-animate="fade-left"] { transform: translateX(28px); }
[data-animate="fade-right"]{ transform: translateX(-28px); }
[data-animate="scale"]     { transform: scale(0.92); }
[data-animate="blur"]      { filter: blur(10px); transform: translateY(12px); }
[data-animate="reveal"]    { opacity: 0; transform: translateY(20px) scale(0.96); filter: blur(4px); }

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
  filter: blur(0);
}

[data-delay="100"]  { transition-delay: 100ms; }
[data-delay="200"]  { transition-delay: 200ms; }
[data-delay="300"]  { transition-delay: 300ms; }
[data-delay="400"]  { transition-delay: 400ms; }
[data-delay="500"]  { transition-delay: 500ms; }
[data-delay="600"]  { transition-delay: 600ms; }
[data-delay="800"]  { transition-delay: 800ms; }
[data-delay="1000"] { transition-delay: 1000ms; }

.hover-lift {
  transition: transform var(--duration-normal) var(--ease-standard),
              box-shadow var(--duration-normal) var(--ease-standard);
}
.hover-lift:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.hover-scale { transition: transform var(--duration-normal) var(--ease-standard); }
.hover-scale:hover { transform: scale(1.03); }

.hover-glow { transition: box-shadow var(--duration-normal) var(--ease-standard); }
.hover-glow:hover { box-shadow: var(--shadow-glow); }

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

@keyframes ncliPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.75; transform: scale(0.97); }
}

.animate-float { animation: ncliFloat 4s ease-in-out infinite; }
.animate-pulse { animation: ncliPulse 2.5s ease-in-out infinite; }

/* ==========================================================================
   RESPONSIVE GRID UTILITIES
   ========================================================================== */

.ncli-grid-1 { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.ncli-grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.ncli-grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }
.ncli-grid-4 { display: grid; grid-template-columns: 1fr; gap: var(--space-6); }

@media (min-width: 640px) {
  .ncli-grid-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .ncli-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .ncli-grid-4 { grid-template-columns: repeat(2, 1fr); }
}

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

@media (min-width: 1280px) {
  .ncli-container,
  .container { max-width: var(--container-xl); }
  .ncli-container-wide { max-width: var(--container-wide); }
}

@media (max-width: 768px) {
  .ncli-btn,
  .btn,
  .ncli-form-control { min-height: 44px; }
  .ncli-section {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }
}

.ncli-hide-mobile { display: block; }
.ncli-show-mobile { display: none; }

@media (max-width: 768px) {
  .ncli-hide-mobile { display: none !important; }
  .ncli-show-mobile { display: block !important; }
}

/* ==========================================================================
   MANDATORY REDUCED MOTION ACCESSIBILITY
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    transition: none !important;
  }

  .hover-lift:hover,
  .hover-scale:hover,
  .hover-glow:hover {
    transform: none !important;
    box-shadow: none !important;
  }

  .animate-float,
  .animate-pulse {
    animation: none !important;
  }
}