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

:root {
  /* Colors */
  --bg-dark: #0B1020;
  --bg-light: #FFFFFF;
  --bg-neutral: #F7F7FC;
  --text-light: #F8FAFC;
  --text-dark: #171427;
  --text-muted: #6B6878;
  --border-light: rgba(255, 255, 255, 0.1);
  --border-dark: rgba(23, 20, 39, 0.10);
  
  --primary-violet: #7C3AED;
  --primary-violet-soft: rgba(124, 58, 237, 0.1);
  --electric-blue: #3B82F6;
  --electric-blue-soft: rgba(59, 130, 246, 0.1);
  --accent-orange: #F97316;
  --accent-orange-soft: rgba(249, 115, 22, 0.1);
  
  --color-success: #16A34A;
  --color-success-soft: rgba(22, 163, 74, 0.1);
  --color-warning: #D97706;
  --color-warning-soft: rgba(217, 119, 6, 0.1);
  --color-error: #DC2626;
  --color-error-soft: rgba(220, 38, 38, 0.1);

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Focus Styles for Accessibility */
*:focus-visible {
  outline: 2px solid var(--primary-violet);
  outline-offset: 4px;
}

/* Base Styles */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  font-weight: 800;
  line-height: 1.25;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-violet);
}

/* Navigation System */
.postifys-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-dark);
  padding: 1rem 0;
  transition: padding 0.3s ease;
}
.postifys-nav .nav-link {
  color: var(--text-dark) !important;
  opacity: 0.8;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  font-size: 15px;
  transition: opacity var(--transition-fast);
}
.postifys-nav .nav-link:hover,
.postifys-nav .nav-link:focus {
  opacity: 1;
  color: var(--primary-violet) !important;
}

/* Hero & Dark Sections */
.dark-hero-section {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 120px 0 100px 0;
  position: relative;
  overflow: hidden;
}
.dark-hero-section h1, .dark-hero-section h2, .dark-hero-section h3 {
  color: var(--text-light);
}

/* Section Rhythm */
.section-light {
  background-color: var(--bg-light);
  padding: 90px 0;
}
.section-neutral {
  background-color: var(--bg-neutral);
  padding: 90px 0;
}
.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: 90px 0;
}
.section-dark h2, .section-dark h3 {
  color: var(--text-light);
}

/* Touch Targets & CTAs */
.btn-premium {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  border-radius: 8px;
  padding: 12px 28px;
  transition: all var(--transition-normal);
  text-decoration: none !important;
}
.btn-premium-primary {
  background: linear-gradient(135deg, var(--primary-violet), var(--electric-blue));
  color: var(--text-light) !important;
  border: none;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
}
.btn-premium-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
}
.btn-premium-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-light) !important;
  border: 1px solid var(--border-light);
}
.btn-premium-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}
.btn-premium-outline {
  background-color: transparent;
  color: var(--primary-violet) !important;
  border: 1px solid var(--primary-violet);
}
.btn-premium-outline:hover {
  background-color: var(--primary-violet-soft);
  transform: translateY(-2px);
}

/* Cards & Grid Containers */
.postifys-card {
  background-color: var(--bg-light);
  border: 1px solid var(--border-dark);
  border-radius: 16px;
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.postifys-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(23, 20, 39, 0.05);
  border-color: rgba(124, 58, 237, 0.3);
}
.postifys-card-dark {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  color: var(--text-light);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #ffffff !important;
  margin-bottom: 20px;
}
.feature-icon-wrapper i {
  line-height: 1;
}

/* Code block displays */
.code-container {
  border-radius: 12px;
  overflow: hidden;
  background-color: #05070f;
  border: 1px solid var(--border-light);
  font-family: var(--font-mono);
  box-shadow: 0 12px 24px rgba(0,0,0,0.15);
  color: var(--text-light);
}
.code-container pre,
.code-container code {
  color: #a5b4fc !important;
  background: transparent !important;
}
.code-container span,
.code-container strong,
.code-container small,
.code-container div {
  color: inherit;
}
.code-header {
  background-color: #0e1220;
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-light);
}
.code-tab {
  font-size: 13px;
  color: var(--text-light);
  font-weight: 500;
  background: none;
  border: none;
  padding: 4px 10px;
  opacity: 0.7;
  cursor: pointer;
}
.code-tab.active {
  opacity: 1;
  border-bottom: 2px solid var(--primary-violet);
}
.code-copy-btn {
  background: none;
  border: none;
  color: var(--text-light);
  opacity: 0.6;
  font-size: 13px;
  cursor: pointer;
  transition: opacity var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 4px;
}
.code-copy-btn:hover {
  opacity: 1;
}

/* Custom interactive structures */
.wf-node {
  background-color: #0f172a;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 10px 15px;
  font-size: 13px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  z-index: 10;
}
.wf-line {
  height: 2px;
  background: linear-gradient(90deg, var(--primary-violet), var(--electric-blue));
  flex-grow: 1;
  position: relative;
}
.wf-line::after {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--accent-orange);
  animation: pulse-line-node 3s infinite linear;
}

@keyframes pulse-line-node {
  0% { left: 0%; opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

/* Reduced Motion Settings */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: scroll !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
}

/* ─── Demo Tab Buttons ─────────────────────────────── */
.demo-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 50px;
  border: 2px solid var(--border-dark);
  background: #fff;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.demo-tab-btn .demo-tab-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--bg-neutral);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--primary-violet);
  transition: all 0.25s ease;
}
.demo-tab-btn:hover {
  border-color: var(--primary-violet);
  color: var(--primary-violet);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.15);
}
.demo-tab-btn.active,
.demo-tab-btn[aria-selected="true"] {
  background: var(--primary-violet);
  border-color: var(--primary-violet);
  color: #fff;
  box-shadow: 0 8px 24px rgba(99,102,241,0.35);
}
.demo-tab-btn.active .demo-tab-icon,
.demo-tab-btn[aria-selected="true"] .demo-tab-icon {
  background: rgba(255,255,255,0.2);
  color: #fff;
}

/* ─── Platform Matrix Cards ────────────────────────── */
.platform-matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.platform-matrix-card {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-dark);
  background: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.platform-matrix-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.12);
}
.platform-matrix-header {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #fff;
}
.platform-matrix-header i {
  font-size: 32px;
  opacity: 0.95;
}
.platform-matrix-header .platform-name {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 4px;
}
.platform-matrix-features {
  padding: 16px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.feat {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.feat-yes {
  background: #dcfce7;
  color: #166534;
}
.feat-no {
  display: none;
}

/* ─── Reviews & Ratings ────────────────────────────── */
.reviews-summary-card {
  background: #ffffff;
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

@media (min-width: 768px) {
  .border-end-md {
    border-right: 1px solid var(--border-dark) !important;
  }
}

.review-card {
  background: #ffffff;
  border: 1px solid var(--border-dark);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-violet);
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.08);
}

.review-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  font-family: var(--font-heading);
}

.review-badge-tag {
  background-color: var(--primary-violet-soft);
  color: var(--primary-violet);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.review-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-dark);
  margin-top: 12px;
  margin-bottom: 16px;
  font-style: italic;
}

.review-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border-dark);
  padding-top: 12px;
}

.review-footer span:first-child {
  font-weight: 600;
  color: var(--color-success);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.review-footer span:first-child::before {
  content: "✓";
  font-weight: 900;
}

/* Pulsating Indicator for System Health */
.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  display: inline-block;
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #10b981;
  animation: pulse 1.8s infinite ease-in-out;
  left: 0;
  top: 0;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  100% {
    transform: scale(2.5);
    opacity: 0;
  }
}