/* ===================================================================
   DecisionVault — The Decision Intelligence & Strategic Analysis Hub
   Domain: decision-vault.icu
   Design Theme: Deep Obsidian, Electric Cobalt & Editorial Precision
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800;900&display=swap');

:root {
  --bg-deep: #050811;
  --bg-card: #0A101D;
  --bg-surface: #101728;
  --bg-surface-alt: #162035;
  
  --cobalt-primary: #2563EB;
  --cobalt-light: #60A5FA;
  --cobalt-glow: rgba(37, 99, 235, 0.35);
  --cyan-accent: #38BDF8;
  --cyan-glow: rgba(56, 189, 248, 0.25);
  
  --platinum-light: #F8FAFC;
  --platinum-mid: #CBD5E1;
  --platinum-dark: #64748B;
  
  --emerald-accent: #10B981;
  --amber-accent: #F59E0B;
  --rose-accent: #F43F5E;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-cobalt: rgba(37, 99, 235, 0.35);
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-deep);
  color: var(--platinum-mid);
  font-family: var(--font-sans);
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 50% -10%, rgba(37, 99, 235, 0.15) 0%, transparent 55%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: #050811;
}
::-webkit-scrollbar-thumb {
  background: #1B253B;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--cobalt-primary);
}

/* Typography Helpers */
.font-heading { font-family: var(--font-heading); }
.font-mono { font-family: var(--font-mono); }

/* Glass Panels */
.glass-panel {
  background: rgba(10, 16, 29, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  transition: all 0.25s ease;
}

.glass-panel:hover {
  border-color: var(--border-cobalt);
  box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.8), 0 0 25px var(--cobalt-glow);
}

.glass-panel-cobalt {
  background: linear-gradient(145deg, rgba(37, 99, 235, 0.08) 0%, rgba(10, 16, 29, 0.85) 100%);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-cobalt);
  border-radius: 14px;
}

.glass-nav {
  background: rgba(5, 8, 17, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

/* Gradient Text */
.text-cobalt-gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, #93C5FD 50%, #3B82F6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-cyan-gradient {
  background: linear-gradient(135deg, #FFFFFF 0%, #7DD3FC 50%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Action Buttons */
.btn-primary {
  background: linear-gradient(135deg, #2563EB 0%, #1D4ED8 100%);
  color: #FFFFFF;
  font-weight: 700;
  font-family: var(--font-heading);
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.45);
  transition: all 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37, 99, 235, 0.65);
  background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
}

.btn-secondary {
  background: rgba(16, 23, 40, 0.8);
  color: #F8FAFC;
  font-weight: 600;
  font-family: var(--font-heading);
  padding: 0.65rem 1.4rem;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--border-cobalt);
  background: rgba(22, 32, 53, 0.95);
  color: #FFFFFF;
  transform: translateY(-2px);
}

/* Badges */
.badge-cobalt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #60A5FA;
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-emerald {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #34D399;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.badge-amber {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #FBBF24;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

/* Feature Cards */
.feature-card {
  background: #0A101D;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 1.6rem;
  position: relative;
  overflow: hidden;
  transition: all 0.25s ease;
}

.feature-card:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 15px 30px -10px rgba(0, 0, 0, 0.8), 0 0 20px rgba(37, 99, 235, 0.15);
}

/* Article Reading Layout & Typography */
.prose-vault {
  color: #CBD5E1;
  font-size: 1.0625rem;
  line-height: 1.8;
}

.prose-vault p {
  margin-bottom: 1.5rem;
}

.prose-vault h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.75rem;
  color: #FFFFFF;
  margin-top: 2.75rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.prose-vault h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: #F1F5F9;
  margin-top: 2rem;
  margin-bottom: 0.85rem;
}

.prose-vault ul, .prose-vault ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.prose-vault ul {
  list-style-type: disc;
}

.prose-vault ol {
  list-style-type: decimal;
}

.prose-vault li {
  margin-bottom: 0.6rem;
  line-height: 1.7;
}

.prose-vault blockquote {
  border-left: 4px solid var(--cobalt-primary);
  background: rgba(37, 99, 235, 0.08);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  border-radius: 0 8px 8px 0;
  color: #E2E8F0;
  font-style: italic;
}

.prose-vault table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  font-size: 0.95rem;
}

.prose-vault th {
  background: #111A2E;
  color: #FFFFFF;
  text-align: left;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 700;
}

.prose-vault td {
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 16, 29, 0.6);
}

.prose-vault tr:nth-child(even) td {
  background: rgba(16, 23, 40, 0.4);
}

/* Callout Box */
.takeaways-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12) 0%, rgba(10, 16, 29, 0.9) 100%);
  border: 1px solid rgba(37, 99, 235, 0.35);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}

/* AdSense Compliant Placeholder Container */
.adsense-slot {
  background: rgba(10, 16, 29, 0.5);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  padding: 1.25rem;
  margin: 2.25rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.adsense-slot-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}

/* Form Controls for Tools & Calculators */
.calc-input {
  background: #0E1526;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  font-size: 0.925rem;
  width: 100%;
  transition: all 0.2s ease;
}

.calc-input:focus {
  outline: none;
  border-color: var(--cobalt-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.calc-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94A3B8;
  margin-bottom: 0.4rem;
}

/* Interactive Cookie Banner */
#cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  right: 1.5rem;
  max-width: 580px;
  background: rgba(10, 16, 29, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(37, 99, 235, 0.4);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  z-index: 9999;
  display: none;
}

/* Breadcrumbs */
.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: #64748B;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumb-nav a {
  color: #94A3B8;
  transition: color 0.2s;
}

.breadcrumb-nav a:hover {
  color: var(--cobalt-light);
}

.breadcrumb-nav span.current {
  color: #CBD5E1;
}