/**
 * Bookify Critical CSS Bundle
 * Above-the-fold styles for fast initial render
 * Generated: 2026-04-11
 */

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #ec4899;
  --accent: #f59e0b;
  --dark: #0f172a;
  --dark-800: #1e293b;
  --dark-700: #334155;
  --light: #f8fafc;
  --gray: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Manrope', var(--font-sans);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--dark);
  color: var(--light);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

/* ===== HERO SECTION - CRITICAL ===== */
.bk-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  overflow: hidden;
  padding: 2rem 0;
}

.bk-hero-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(99,102,241,0.15) 1px, transparent 0);
  background-size: 40px 40px;
  opacity: 0.5;
}

.bk-hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.bk-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.3);
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 1.5rem;
  width: fit-content;
}

.bk-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bk-hero-desc {
  font-size: 1.125rem;
  color: var(--gray);
  max-width: 540px;
  margin-bottom: 2rem;
}

.bk-hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.bk-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: var(--gradient-primary);
  color: white;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px 0 rgba(99,102,241,0.4);
}

.bk-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(99,102,241,0.5);
}

.bk-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: transparent;
  color: var(--light);
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.3s ease;
}

.bk-cta-secondary:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.3);
}

/* ===== FEATURE PILLS ===== */
.bk-feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.bk-feature-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 2rem;
  font-size: 0.875rem;
  color: var(--gray);
}

/* ===== SOCIAL PROOF ===== */
.bk-social-proof {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.bk-avatars {
  display: flex;
  align-items: center;
}

.bk-avatars img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--dark);
  margin-left: -0.75rem;
  object-fit: cover;
}

.bk-avatars img:first-child {
  margin-left: 0;
}

.bk-avatar-count {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border: 2px solid var(--dark);
  margin-left: -0.75rem;
}

.bk-proof-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.1);
}

.bk-proof-stats {
  display: flex;
  gap: 1.5rem;
}

.bk-proof-stat {
  text-align: center;
}

.bk-proof-stat strong {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
}

.bk-proof-stat span {
  font-size: 0.75rem;
  color: var(--gray);
}

/* ===== DASHBOARD PREVIEW ===== */
.bk-hero-visual {
  position: relative;
}

.bk-dashboard {
  background: rgba(15,23,42,0.8);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-xl);
}

.bk-dash-topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(99,102,241,0.1);
  border-bottom: 1px solid rgba(99,102,241,0.2);
}

.bk-dash-dots {
  display: flex;
  gap: 0.5rem;
}

.bk-dash-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ef4444;
}

.bk-dash-dots span:nth-child(2) { background: #f59e0b; }
.bk-dash-dots span:nth-child(3) { background: #10b981; }

.bk-dash-title {
  font-weight: 600;
  color: var(--light);
}

.bk-dash-status {
  margin-left: auto;
  padding: 0.25rem 0.75rem;
  background: rgba(16,185,129,0.2);
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 1rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .bk-hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .bk-hero-badge {
    margin-left: auto;
    margin-right: auto;
  }
  
  .bk-hero-cta {
    justify-content: center;
  }
  
  .bk-feature-pills {
    justify-content: center;
  }
  
  .bk-social-proof {
    justify-content: center;
  }
  
  .bk-hero-visual {
    order: -1;
  }
}

@media (max-width: 640px) {
  .bk-hero {
    padding: 1rem 0;
  }
  
  .bk-hero-inner {
    padding: 0 1rem;
    gap: 2rem;
  }
  
  .bk-cta-primary,
  .bk-cta-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* ===== UTILITY CLASSES ===== */
.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;
}

.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}