/* @krisspy-sync — auto-synced from parent theme on update */
/* ═══════════════════════════════════════════════════════════
   AURUM — Design System Tokens
   Premium masterclass platform. Deep indigo → vibrant purple.
   Dark is the default mode; light mode via html[data-theme="light"]
   ═══════════════════════════════════════════════════════════ */

:root {
  /* ── Brand ── */
  --primary: #6d5bff;
  --primary-hover: #5b49f5;
  --primary-soft: rgba(109, 91, 255, 0.14);
  --secondary: #a855f7;
  --accent: #e879f9;

  /* ── Gradients ── */
  --gradient-brand: linear-gradient(135deg, #6d5bff 0%, #a855f7 52%, #e879f9 100%);
  --gradient-brand-soft: linear-gradient(135deg, rgba(109, 91, 255, 0.18) 0%, rgba(168, 85, 247, 0.14) 50%, rgba(232, 121, 249, 0.1) 100%);
  --gradient-surface: linear-gradient(160deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.015) 100%);
  --gradient-text: linear-gradient(120deg, #ffffff 0%, #d3cbff 40%, #c084fc 100%);

  /* ── Semantic ── */
  --success: #34d399;
  --danger: #fb7185;
  --warning: #fbbf24;
  --info: #60a5fa;

  /* ── Surfaces (dark default) ── */
  --bg-primary: #07070f;
  --bg-secondary: #0e0e1a;
  --bg-tertiary: #16162a;
  --bg-elevated: #1c1c33;
  --bg-inset: rgba(255, 255, 255, 0.03);

  /* ── Text ── */
  --text-primary: #f4f4fa;
  --text-secondary: #9c9cba;
  --text-tertiary: #65657f;
  --text-on-brand: #ffffff;

  /* ── Lines ── */
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-brand: rgba(139, 112, 255, 0.38);

  /* ── Glass ── */
  --glass-bg: rgba(20, 20, 38, 0.58);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 20px;

  /* ── Type ── */
  --font-size-base: 16px;
  --font-display: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --tracking-tight: -0.03em;
  --tracking-snug: -0.015em;
  --tracking-wide: 0.08em;

  /* ── Radii ── */
  --border-radius: 16px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-pill: 9999px;

  /* ── Spacing rhythm (4px base) ── */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* ── Elevation ── */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px -6px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 24px 60px -12px rgba(0, 0, 0, 0.7);
  --glow-brand: 0 0 0 1px rgba(139, 112, 255, 0.22), 0 18px 50px -12px rgba(109, 91, 255, 0.45);
  --glow-soft: 0 12px 40px -14px rgba(168, 85, 247, 0.5);

  /* ── Motion ── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-fast: 0.18s;
  --dur: 0.32s;
  --dur-slow: 0.6s;

  /* ── Layout ── */
  --container: 1200px;
  --nav-h: 68px;
}

/* ═══ LIGHT MODE ═══ */
html[data-theme='light'] {
  --primary: #5b49f5;
  --primary-hover: #4a38e8;
  --primary-soft: rgba(91, 73, 245, 0.1);
  --secondary: #9333ea;
  --accent: #c026d3;

  --gradient-text: linear-gradient(120deg, #1a1033 0%, #4c33c7 45%, #9333ea 100%);
  --gradient-surface: linear-gradient(160deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.6) 100%);

  --bg-primary: #fbfaff;
  --bg-secondary: #f4f2fd;
  --bg-tertiary: #ebe8f9;
  --bg-elevated: #ffffff;
  --bg-inset: rgba(16, 8, 48, 0.03);

  --text-primary: #140d2e;
  --text-secondary: #5d5680;
  --text-tertiary: #8a83a8;

  --border: rgba(20, 13, 46, 0.1);
  --border-strong: rgba(20, 13, 46, 0.18);
  --border-brand: rgba(91, 73, 245, 0.3);

  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(20, 13, 46, 0.08);

  --shadow-sm: 0 1px 2px rgba(20, 13, 46, 0.06);
  --shadow-md: 0 8px 24px -6px rgba(20, 13, 46, 0.12);
  --shadow-lg: 0 24px 60px -12px rgba(20, 13, 46, 0.16);
  --glow-brand: 0 0 0 1px rgba(91, 73, 245, 0.18), 0 18px 50px -14px rgba(91, 73, 245, 0.35);
}

/* ═══ BASE ═══ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 24px);
}

body {
  margin: 0;
  min-height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-family: var(--font-body);
  line-height: 1.6;
  letter-spacing: var(--tracking-snug);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  letter-spacing: var(--tracking-tight);
  line-height: 1.08;
  margin: 0;
  font-weight: 700;
}

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

img {
  max-width: 100%;
  display: block;
}

::selection {
  background: var(--primary);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ═══ SCROLLBAR ═══ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background-clip: content-box;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
  background-clip: content-box;
}

/* ═══ LAYOUT ═══ */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-6);
  }
}

.section {
  padding-block: clamp(56px, 9vw, 120px);
}

/* ═══ TYPOGRAPHY SCALE ═══ */
.display-1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6.4vw, 4.75rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.04em;
}
.display-2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.6vw, 3.25rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.035em;
}
.heading-1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: var(--tracking-tight);
}
.heading-2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.5rem);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
}
.heading-3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: var(--tracking-snug);
}
.body-lg {
  font-size: clamp(1rem, 1.4vw, 1.1875rem);
  line-height: 1.65;
  color: var(--text-secondary);
}
.body {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
}
.body-sm {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--text-secondary);
}
.overline {
  font-size: 0.6875rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-tertiary);
}
.mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.text-brand-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.text-balance {
  text-wrap: balance;
}

/* ═══ GLASS ═══ */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  border: 1px solid var(--glass-border);
}
.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ═══ SURFACES ═══ */
.card {
  position: relative;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
    box-shadow var(--dur) var(--ease-out);
}
.card-hover:hover {
  transform: translateY(-4px);
  border-color: var(--border-brand);
  box-shadow: var(--glow-soft);
}
.card-gradient {
  background: var(--gradient-surface), var(--bg-secondary);
}
.card-brand {
  background: var(--gradient-brand-soft), var(--bg-secondary);
  border-color: var(--border-brand);
}

/* Gradient hairline border */
.border-gradient {
  position: relative;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
}
.border-gradient::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-brand);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.55;
  pointer-events: none;
}

/* ═══ BENTO GRID ═══ */
.bento {
  display: grid;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
  }
}
@media (min-width: 1100px) {
  .bento {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .bento-2 { grid-column: span 2; }
  .bento-3 { grid-column: span 3; }
  .bento-4 { grid-column: span 4; }
  .bento-6 { grid-column: span 6; }
  .bento-tall { grid-row: span 2; }
}

/* ═══ BUTTONS ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 650;
  letter-spacing: var(--tracking-snug);
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), box-shadow var(--dur) var(--ease-out),
    background var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out),
    color var(--dur) var(--ease-out);
}
.btn:active {
  transform: scale(0.975);
}

.btn-primary {
  background: var(--gradient-brand);
  color: var(--text-on-brand);
  box-shadow: var(--glow-brand);
}
.btn-primary:hover {
  box-shadow: 0 0 0 1px rgba(139, 112, 255, 0.4), 0 22px 60px -12px rgba(139, 91, 255, 0.65);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-strong);
}
.btn-secondary:hover {
  background: var(--bg-elevated);
  border-color: var(--border-brand);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background: var(--bg-inset);
}

.btn-sm {
  min-height: 36px;
  padding: 7px 16px;
  font-size: 0.8125rem;
}
.btn-lg {
  min-height: 52px;
  padding: 15px 30px;
  font-size: 1rem;
}
.btn-block {
  width: 100%;
}
.btn:disabled,
.btn[aria-disabled='true'] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
}
.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--border-brand);
  background: var(--bg-elevated);
}

/* ═══ BADGES / PILLS ═══ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: var(--tracking-snug);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.badge-brand {
  background: var(--primary-soft);
  color: var(--accent);
  border-color: var(--border-brand);
}
.badge-success {
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
  border-color: rgba(52, 211, 153, 0.3);
}
.badge-warning {
  background: rgba(251, 191, 36, 0.12);
  color: var(--warning);
  border-color: rgba(251, 191, 36, 0.3);
}
.badge-danger {
  background: rgba(251, 113, 133, 0.12);
  color: var(--danger);
  border-color: rgba(251, 113, 133, 0.3);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px 6px 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  max-width: 100%;
}

/* ═══ FORM ═══ */
.input,
.select,
.textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 15px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.input::placeholder,
.textarea::placeholder {
  color: var(--text-tertiary);
}
.input:focus,
.select:focus,
.textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 7px;
}

/* ═══ PROGRESS ═══ */
.progress {
  height: 6px;
  width: 100%;
  background: var(--bg-tertiary);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.progress > span {
  display: block;
  height: 100%;
  background: var(--gradient-brand);
  border-radius: var(--radius-pill);
  transition: width var(--dur-slow) var(--ease-out);
}

/* ═══ DIVIDER ═══ */
.divider {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
  margin-block: var(--space-6);
}

/* ═══ AMBIENT DECOR ═══ */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.42;
  pointer-events: none;
  z-index: 0;
}
.orb-indigo {
  background: radial-gradient(circle, #6d5bff 0%, transparent 70%);
}
.orb-purple {
  background: radial-gradient(circle, #a855f7 0%, transparent 70%);
}
.orb-fuchsia {
  background: radial-gradient(circle, #e879f9 0%, transparent 70%);
}
html[data-theme='light'] .orb {
  opacity: 0.22;
}

.grid-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
}

/* ═══ MOTION ═══ */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.animate-fade-in { animation: fadeIn 0.5s var(--ease-out) both; }
.animate-slide-up { animation: slideUp 0.6s var(--ease-out) both; }
.animate-float { animation: float 7s ease-in-out infinite; }

/* Scroll reveal — driven by /scripts/ui.js */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-elevated) 50%, var(--bg-tertiary) 75%);
  background-size: 800px 100%;
  animation: shimmer 1.6s linear infinite;
  border-radius: var(--radius-md);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ═══ UTILITIES ═══ */
.stack { display: flex; flex-direction: column; }
.row { display: flex; align-items: center; }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.hide-mobile { display: none; }
@media (min-width: 768px) {
  .hide-mobile { display: revert; }
  .only-mobile { display: none !important; }
}

/* ThemeEditor range thumb */
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--primary);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}