/* Wazupdocs Professional Dark Theme - Enhanced */
:root {
  --bg: #0a0c0f;
  --bg-gradient: radial-gradient(ellipse 1200px 600px at 50% -20%, rgba(78, 168, 255, 0.08), transparent 70%), 
                 radial-gradient(ellipse 800px 400px at 20% 80%, rgba(124, 194, 255, 0.06), transparent 60%),
                 linear-gradient(135deg, #0a0c0f 0%, #0d1117 100%);
  --panel: #111419;
  --panel-2: #141821;
  --panel-3: #1a1f2b;
  --text: #e8eef6;
  --text-bright: #f1f5f9;
  --muted: #b7c2d0;
  --muted-2: #8892a6;
  --brand: #4ea8ff;
  --brand-2: #7cc2ff;
  --brand-glow: rgba(78, 168, 255, 0.3);
  --brand-dark: #2b77ff;
  --ok: #45d483;
  --warn: #ffbf47;
  --danger: #ff6b6b;
  --border: #1e2430;
  --border-light: #2a3441;
  --border-bright: #3d4b5c;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.6);
  --shadow-brand: 0 4px 20px rgba(78, 168, 255, 0.25);
  --glow: 0 0 20px rgba(78, 168, 255, 0.15);
  
  /* Animation variables */
  --ease-out-cubic: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-in-out-cubic: cubic-bezier(0.65, 0, 0.35, 1);
  --transition-base: all 0.2s var(--ease-out-cubic);
  --transition-slow: all 0.3s var(--ease-in-out-cubic);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg-gradient);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Typography & Links */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-bright);
  margin: 0;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 3.5rem); }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 1.875rem); }

p { margin: 0 0 1rem; }

a { 
  color: var(--brand-2); 
  text-decoration: none; 
  transition: var(--transition-base);
  position: relative;
}

a:hover { 
  color: var(--text-bright);
  text-decoration: none;
}

a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

.container { width: min(1120px, 92%); margin: 0 auto; }

/* Header */
.site-header {
  position: sticky; 
  top: 0; 
  z-index: 50;
  backdrop-filter: saturate(1.8) blur(12px);
  background: rgba(10, 12, 15, 0.85);
  border-bottom: 1px solid var(--border);
  transition: var(--transition-base);
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-glow), transparent);
}

.nav {
  display: flex; 
  align-items: center; 
  justify-content: space-between;
  padding: 16px 0;
  position: relative;
}

.brand { 
  display: flex; 
  gap: 12px; 
  align-items: center; 
  font-weight: 700; 
  font-size: 1.125rem;
  transition: var(--transition-base);
  text-decoration: none !important;
}

.brand:hover {
  transform: translateY(-1px);
}

.brand-mark {
  width: 32px; 
  height: 32px; 
  border-radius: 10px; 
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 
    inset 0 1px 0 rgba(255,255,255,0.2),
    0 4px 12px rgba(0,0,0,0.3),
    0 0 0 1px rgba(78, 168, 255, 0.2);
  position: relative;
  transition: var(--transition-base);
}

.brand-mark::after {
  content: 'W';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: auto;
  height: auto;
  color: white;
  font-weight: 800;
  font-size: 16px;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  font-family: inherit;
}

.brand:hover .brand-mark {
  box-shadow: 
    inset 0 1px 0 rgba(255,255,255,0.3),
    0 6px 20px rgba(0,0,0,0.4),
    0 0 20px var(--brand-glow);
}

.brand-name { 
  letter-spacing: -0.01em; 
  color: var(--text-bright);
}

.nav-links { 
  display: flex; 
  gap: 24px; 
  align-items: center; 
}

.nav-links > a:not(.btn) { 
  color: var(--muted); 
  font-weight: 500;
  padding: 8px 0;
  position: relative;
  transition: var(--transition-base);
}

.nav-links > a:not(.btn):hover { 
  color: var(--text-bright);
}

.nav-links > a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transition: width 0.3s var(--ease-out-cubic);
}

.nav-links > a:not(.btn):hover::after {
  width: 100%;
}

/* Enhanced Buttons */
.btn {
  display: inline-flex; 
  align-items: center; 
  justify-content: center; 
  gap: 8px;
  padding: 12px 20px; 
  border-radius: 12px; 
  font-weight: 600; 
  font-size: 0.875rem;
  border: 1px solid var(--border-light);
  background: linear-gradient(135deg, var(--panel-2), var(--panel));
  color: var(--text); 
  box-shadow: var(--shadow-sm);
  transition: var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover { 
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--border-bright);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
}

.btn.primary { 
  background: linear-gradient(135deg, var(--brand), var(--brand-dark)); 
  border-color: var(--brand-dark); 
  color: white;
  box-shadow: var(--shadow-brand);
}

.btn.primary:hover {
  box-shadow: var(--shadow-brand), var(--glow);
  transform: translateY(-2px);
}

.btn.ghost { 
  background: transparent; 
  border-color: var(--border);
  backdrop-filter: blur(8px);
}

.btn.ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-bright);
}

/* Hero Section */
.hero { 
  padding: 96px 0 64px; 
  text-align: center; 
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--brand-glow) 0%, transparent 70%);
  opacity: 0.3;
  filter: blur(80px);
  z-index: -1;
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: translateX(-50%) scale(1); }
  50% { opacity: 0.5; transform: translateX(-50%) scale(1.1); }
}

.hero .badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 8px 16px;
  border: 1px solid var(--border-light);
  border-radius: 50px;
  background: linear-gradient(135deg, var(--panel-2), var(--panel));
  color: var(--brand-2);
  display: inline-block;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  animation: fadeInUp 0.6s var(--ease-out-cubic);
}

.hero h1 { 
  font-size: clamp(2.5rem, 5vw, 4rem); 
  margin: 0 0 24px; 
  letter-spacing: -0.02em; 
  background: linear-gradient(135deg, var(--text-bright), var(--muted));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 0.6s var(--ease-out-cubic) 0.1s both;
}

.hero p { 
  color: var(--muted); 
  font-size: clamp(1.125rem, 2.2vw, 1.25rem); 
  margin: 0 auto 40px; 
  max-width: 640px;
  line-height: 1.6;
  animation: fadeInUp 0.6s var(--ease-out-cubic) 0.2s both;
}

.hero-cta { 
  display: flex; 
  gap: 16px; 
  justify-content: center; 
  flex-wrap: wrap;
  animation: fadeInUp 0.6s var(--ease-out-cubic) 0.3s both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Cards & Grid */
.grid { 
  display: grid; 
  gap: 24px; 
}

.grid.cols-3 { 
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
}

.card { 
  background: linear-gradient(135deg, var(--panel-2), var(--panel)); 
  padding: 24px; 
  border: 1px solid var(--border-light); 
  border-radius: 16px; 
  box-shadow: var(--shadow);
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 
    0 4px 12px rgba(78, 168, 255, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: var(--transition-base);
}

.card-icon svg {
  color: white;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

.card:hover .card-icon {
  transform: translateY(-2px);
  box-shadow: 
    0 6px 20px rgba(78, 168, 255, 0.4),
    0 0 20px rgba(78, 168, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  transform: scaleX(0);
  transition: transform 0.3s var(--ease-out-cubic);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover { 
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-bright);
  background: linear-gradient(135deg, var(--panel-3), var(--panel-2));
}

.card h3 { 
  margin: 0 0 12px 0; 
  color: var(--text-bright);
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  line-height: 1.6;
}

.muted { 
  color: var(--muted); 
}

/* Enhanced Pricing Table */
.pricing-table { 
  width: 100%; 
  border-collapse: separate; 
  border-spacing: 0; 
  overflow: hidden; 
  border-radius: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin: 32px 0;
}

.pricing-table th, .pricing-table td { 
  padding: 16px 20px; 
  border-bottom: 1px solid var(--border);
  transition: var(--transition-base);
}

.pricing-table thead th { 
  background: linear-gradient(135deg, var(--panel-2), var(--panel)); 
  text-align: left; 
  font-size: 0.875rem; 
  font-weight: 600;
  color: var(--text-bright);
  border-bottom: 2px solid var(--border-bright);
}

.pricing-table tbody tr {
  transition: var(--transition-base);
}

.pricing-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.pricing-table tbody tr:nth-child(odd) td { 
  background: var(--panel); 
}

.pricing-table tbody tr:nth-child(even) td { 
  background: var(--panel-2); 
}

.pricing-table tbody tr:hover td {
  background: rgba(78, 168, 255, 0.05);
}

.price { 
  font-weight: 800; 
  font-size: 1.125rem;
  color: var(--brand-2); 
  text-shadow: 0 0 10px var(--brand-glow);
}

.yes { 
  color: var(--ok); 
  font-weight: 700; 
  position: relative;
}

.yes::before {
  content: '✓';
  margin-right: 6px;
  font-size: 1.1em;
}

.no { 
  color: var(--danger); 
  font-weight: 700; 
  position: relative;
}

.no::before {
  content: '✗';
  margin-right: 6px;
  font-size: 1.1em;
}

/* Content Sections */
.content { 
  padding: 48px 0 80px; 
}

.content h1 {
  margin: 0 0 16px 0;
}

.content h2 { 
  margin: 48px 0 16px 0; 
  color: var(--text-bright);
}

.content p { 
  color: var(--muted);
  line-height: 1.7;
  font-size: 1.0625rem;
}

.section { 
  margin: 48px 0; 
}

.kicker { 
  color: var(--brand-2); 
  font-weight: 700; 
  text-transform: uppercase; 
  letter-spacing: 0.1em; 
  font-size: 0.75rem;
  display: inline-block;
  padding: 4px 12px;
  background: rgba(78, 168, 255, 0.1);
  border: 1px solid rgba(78, 168, 255, 0.2);
  border-radius: 6px;
  margin-bottom: 16px;
}

/* Enhanced Footer */
.site-footer { 
  border-top: 1px solid var(--border); 
  background: linear-gradient(135deg, var(--bg), #080a0d); 
  padding: 48px 0 32px; 
  color: var(--muted);
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand-glow), transparent);
  opacity: 0.5;
}

.footer-links { 
  display: flex; 
  gap: 24px; 
  flex-wrap: wrap; 
  margin-bottom: 24px;
}

.footer-links a { 
  color: var(--muted); 
  font-weight: 500;
  transition: var(--transition-base);
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}

.footer-links a:hover { 
  color: var(--text-bright); 
  border-bottom-color: var(--brand-2);
}

.copyright { 
  font-size: 0.875rem; 
  opacity: 0.7;
}

/* Utilities */
.stack { 
  display: grid; 
  gap: 16px; 
}

.spaced { 
  display: flex; 
  align-items: center; 
  justify-content: space-between; 
  gap: 24px; 
  flex-wrap: wrap; 
}

.badge { 
  font-size: 0.75rem; 
  font-weight: 600;
  padding: 8px 16px; 
  border: 1px solid var(--border-light); 
  border-radius: 50px; 
  background: linear-gradient(135deg, var(--panel-2), var(--panel));
  color: var(--brand-2);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.note { 
  font-size: 0.875rem; 
  color: var(--muted-2);
  font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    width: 95%;
  }
  
  .nav {
    flex-direction: column;
    gap: 20px;
    padding: 20px 0;
  }
  
  .nav-links {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .hero {
    padding: 64px 0 48px;
  }
  
  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }
  
  .hero p {
    font-size: 1.125rem;
  }
  
  .grid.cols-3 {
    grid-template-columns: 1fr;
  }
  
  .card {
    padding: 20px;
  }
  
  .spaced {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 280px;
  }
  
  .pricing-table {
    font-size: 0.875rem;
  }
  
  .pricing-table th,
  .pricing-table td {
    padding: 12px 16px;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .brand-mark {
    width: 28px;
    height: 28px;
  }
  
  .brand-mark::after {
    width: 12px;
    height: 12px;
  }
  
  .hero {
    padding: 48px 0 32px;
  }
  
  .content {
    padding: 32px 0 48px;
  }
  
  .section {
    margin: 32px 0;
  }
  
  .pricing-table th,
  .pricing-table td {
    padding: 10px 12px;
  }
}

/* Scroll behavior and selection */
html {
  scroll-behavior: smooth;
}

::selection {
  background: var(--brand-glow);
  color: var(--text-bright);
}

/* Focus styles */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* Loading states */
@keyframes shimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

.loading {
  background: linear-gradient(90deg, var(--panel) 0%, var(--panel-2) 50%, var(--panel) 100%);
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
}

/* Light theme overrides (optional) */
@media (prefers-color-scheme: light) {
  :root { 
    --bg: #f7f9fc; 
    --bg-gradient: radial-gradient(ellipse 1200px 600px at 50% -20%, rgba(43, 119, 255, 0.08), transparent 70%), 
                   radial-gradient(ellipse 800px 400px at 20% 80%, rgba(31, 95, 214, 0.06), transparent 60%),
                   linear-gradient(135deg, #f7f9fc 0%, #e2e8f0 100%);
    --text: #0b1220; 
    --text-bright: #030712;
    --muted: #415168; 
    --muted-2: #64748b;
    --panel: #ffffff; 
    --panel-2: #f8fafc; 
    --panel-3: #f1f5f9;
    --border: #e6ebf2; 
    --border-light: #cbd5e1;
    --border-bright: #94a3b8;
    --brand: #2b77ff; 
    --brand-2: #1f5fd6;
    --brand-glow: rgba(43, 119, 255, 0.2);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.2);
  }
  
  .pricing-table tbody tr:nth-child(odd) td { background: #ffffff; }
  .pricing-table tbody tr:nth-child(even) td { background: #f8fafc; }
  .btn.primary { color: white; }
  .site-header { background: rgba(247, 249, 252, 0.85); }
  .site-footer { background: linear-gradient(135deg, #f7f9fc, #e2e8f0); }
}