/* ==========================================================================
   DARLING MUSE INTERNATIONAL — MASTER CONCEPT SHOWCASE INDEX
   Minimalist, Ultra-Premium Presentation Portal & Curation Hub
   ========================================================================== */

:root {
  --idx-bg: #0A0B0E;
  --idx-surface: #12141A;
  --idx-card: #171A22;
  --idx-card-hover: #1E222D;
  --idx-gold: #D4AF37;
  --idx-gold-light: #EEDB91;
  --idx-gold-gradient: linear-gradient(135deg, #D4AF37 0%, #F5E5A4 50%, #B8933E 100%);
  --idx-text: #E5E7EB;
  --idx-text-muted: #9CA3AF;
  --idx-heading: #FAF8F5;
  --idx-border: rgba(212, 175, 55, 0.22);
  --idx-border-subtle: rgba(255, 255, 255, 0.08);
  --idx-font-heading: 'Cinzel', 'Playfair Display', Georgia, serif;
  --idx-font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

body.index-hub {
  background-color: var(--idx-bg);
  color: var(--idx-text);
  font-family: var(--idx-font-body);
  font-size: var(--text-base);
  line-height: 1.75;
}

/* Master Header */
.idx-header {
  border-bottom: 1px solid var(--idx-border);
  background: rgba(10, 11, 14, 0.94);
  backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  padding: 1.25rem 0;
}

.idx-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.idx-logo-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.idx-logo-img {
  height: clamp(32px, 3.5vw, 42px);
  width: auto;
  filter: brightness(0) invert(1);
}

.idx-hub-badge {
  font-family: var(--idx-font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--idx-gold);
  border-left: 1px solid var(--idx-border);
  padding-left: 16px;
}

.idx-nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.idx-nav-link {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--idx-text-muted);
  transition: color 0.2s ease;
}
.idx-nav-link:hover {
  color: var(--idx-gold);
}

/* Hero Section */
.idx-hero {
  padding: clamp(4rem, 8vw, 7rem) 0 clamp(2.5rem, 5vw, 4rem);
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--idx-border-subtle);
  background: radial-gradient(circle at 50% 20%, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
}

.idx-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  border-radius: 9999px;
  background: rgba(212, 175, 55, 0.08);
  border: 1px solid var(--idx-border);
  color: var(--idx-gold);
  font-family: var(--idx-font-heading);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}

.idx-hero-title {
  font-family: var(--idx-font-heading);
  font-size: var(--text-3xl);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--idx-heading);
  margin-bottom: 1.25rem;
}

.idx-hero-subtitle {
  font-size: var(--text-md);
  color: var(--idx-text-muted);
  max-width: 820px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}

.idx-audit-pills {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.idx-audit-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--idx-surface);
  border: 1px solid var(--idx-border-subtle);
  border-radius: 6px;
  font-size: 0.75rem;
  color: #D1D5DB;
  letter-spacing: 0.04em;
}

.idx-pill-check {
  color: #10B981;
  font-weight: bold;
}

/* Concepts Showcase Grid */
.idx-section {
  padding: clamp(4rem, 7vw, 6.5rem) 0;
  border-bottom: 1px solid var(--idx-border-subtle);
}

.idx-section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto clamp(2.5rem, 5vw, 4.5rem);
}

.idx-section-title {
  font-family: var(--idx-font-heading);
  font-size: var(--text-2xl);
  color: var(--idx-heading);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
}

.idx-section-desc {
  font-size: var(--text-base);
  color: var(--idx-text-muted);
}

.idx-concepts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.75rem);
}

.idx-concept-card {
  background: var(--idx-card);
  border: 1px solid var(--idx-border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-medium);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
  position: relative;
}

.idx-concept-card:hover {
  transform: translateY(-8px);
  border-color: var(--idx-gold);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8), 0 0 25px rgba(212, 175, 55, 0.2);
}

.idx-card-preview {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #000;
}

.idx-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.idx-concept-card:hover .idx-preview-img {
  transform: scale(1.06);
}

.idx-preview-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(10, 11, 14, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid var(--idx-border);
  border-radius: 4px;
  padding: 4px 10px;
  font-family: var(--idx-font-heading);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--idx-gold);
}

.idx-card-body {
  padding: clamp(1.5rem, 2.5vw, 2.25rem);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.idx-card-title {
  font-family: var(--idx-font-heading);
  font-size: var(--text-lg);
  color: var(--idx-heading);
  margin-bottom: 0.5rem;
}

.idx-card-persona {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--idx-gold);
  margin-bottom: 1rem;
}

.idx-card-desc {
  font-size: var(--text-sm);
  color: var(--idx-text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* Palette Swatches */
.idx-palette-block {
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--idx-border-subtle);
}

.idx-palette-label {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6B7280;
  margin-bottom: 8px;
}

.idx-swatches {
  display: flex;
  gap: 8px;
}

.idx-swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  position: relative;
  cursor: help;
  transition: transform 0.2s ease;
}
.idx-swatch:hover {
  transform: scale(1.15);
}

/* Typography Specimen */
.idx-type-specimen {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: #9CA3AF;
  margin-bottom: 1.75rem;
  padding: 8px 12px;
  background: var(--idx-surface);
  border-radius: 6px;
  border: 1px solid var(--idx-border-subtle);
}

.idx-btn-launch {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--idx-gold-gradient);
  color: #0A0B0E;
  font-family: var(--idx-font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 6px;
  transition: all var(--transition-medium);
  box-shadow: 0 4px 18px rgba(212, 175, 55, 0.3);
}

.idx-btn-launch:hover {
  box-shadow: 0 6px 25px rgba(212, 175, 55, 0.5);
  transform: translateY(-2px);
  color: #000;
}

/* Legal Suite Hub Cards */
.idx-legal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2.25rem);
}

.idx-legal-card {
  background: var(--idx-card);
  border: 1px solid var(--idx-border);
  border-radius: 10px;
  padding: clamp(1.75rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-medium);
}

.idx-legal-card:hover {
  transform: translateY(-6px);
  border-color: var(--idx-gold);
  box-shadow: 0 16px 40px rgba(0,0,0,0.6);
}

.idx-legal-icon {
  font-size: 1.75rem;
  color: var(--idx-gold);
  margin-bottom: 1rem;
}

.idx-legal-title {
  font-family: var(--idx-font-heading);
  font-size: var(--text-lg);
  color: var(--idx-heading);
  margin-bottom: 0.75rem;
}

.idx-legal-desc {
  font-size: var(--text-sm);
  color: var(--idx-text-muted);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.idx-legal-link {
  font-family: var(--idx-font-heading);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--idx-gold);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}
.idx-legal-card:hover .idx-legal-link {
  color: var(--idx-gold-light);
}

/* Master Footer */
.idx-footer {
  border-top: 1px solid var(--idx-border);
  padding: clamp(4rem, 7vw, 6rem) 0 2.5rem;
  background: #060709;
}

.idx-footer-logo {
  height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 1.25rem;
}

.idx-footer-link {
  transition: all var(--transition-fast);
}
.idx-footer-link:hover {
  color: var(--idx-gold) !important;
  padding-left: 4px;
}

.idx-footer-copy {
  font-size: 0.75rem;
  color: #6B7280;
  letter-spacing: 0.08em;
  line-height: 1.8;
}

@media (max-width: 992px) {
  .idx-legal-grid {
    grid-template-columns: 1fr;
  }
}