/* ============================================================
   BRICKBYCLICK.AI - SUPPLEMENTARY STYLES
   Version: 2.0
   
   NOTE: For optimal font loading, add this to your HTML <head>:
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=Outfit:wght@500;700&display=swap" rel="stylesheet">
   
   This file extends the base styles. Avoid conflicts by using
   specific selectors rather than generic class names.
   ============================================================ */

/* ============================
   CSS CUSTOM PROPERTIES
   ============================ */
:root {
  /* Colors */
  --bbc-bg-dark: #0a0a0f;
  --bbc-bg-light: #111827;
  --bbc-accent-blue: #3b82f6;
  --bbc-accent-purple: #8b5cf6;
  --bbc-accent-cyan: #06b6d4;
  --bbc-accent-emerald: #10b981;
  --bbc-text-primary: #e5e7eb;
  --bbc-text-secondary: #9ca3af;
  
  /* Effects */
  --bbc-glass-bg: rgba(17, 24, 39, 0.6);
  --bbc-glass-border: rgba(255, 255, 255, 0.1);
  --bbc-blur: 16px;
  
  /* Transitions */
  --bbc-transition-fast: 150ms ease;
  --bbc-transition-base: 300ms ease;
  --bbc-transition-slow: 500ms ease;
  --bbc-transition-bounce: 300ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
  
  /* Shadows */
  --bbc-shadow-glow: 0 0 20px rgba(99, 102, 241, 0.4);
  --bbc-shadow-glow-strong: 0 0 30px rgba(99, 102, 241, 0.6);
  --bbc-shadow-card: 0 8px 20px rgba(0, 0, 0, 0.3);
  
  /* Spacing */
  --bbc-section-padding: 3rem 2rem;
  --bbc-section-padding-mobile: 2rem 1rem;
}

/* ============================
   BASE / RESET ENHANCEMENTS
   ============================ */
html {
  scroll-behavior: smooth;
}

/* Smooth scroll only when there's no preference for reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body.bbc-themed {
  font-family: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  background: radial-gradient(ellipse at 50% 0%, #1e1b4b 0%, var(--bbc-bg-dark) 70%);
  color: var(--bbc-text-primary);
  letter-spacing: 0.02em;
  line-height: 1.6;
  overflow-x: hidden;
}

body.bbc-themed h1,
body.bbc-themed h2,
body.bbc-themed h3,
body.bbc-themed h4 {
  font-family: 'Outfit', 'Space Grotesk', sans-serif;
  line-height: 1.2;
}

/* ============================
   FOCUS STATES (Accessibility)
   ============================ */
.bbc-focus:focus-visible,
.bbc-btn:focus-visible,
.bbc-card:focus-visible,
.bbc-link:focus-visible {
  outline: 2px solid var(--bbc-accent-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Remove default focus for mouse users, keep for keyboard */
.bbc-focus:focus:not(:focus-visible),
.bbc-btn:focus:not(:focus-visible),
.bbc-card:focus:not(:focus-visible) {
  outline: none;
}

/* ============================
   GLASSMORPHIC CARD
   ============================ */
.bbc-glass {
  background: var(--bbc-glass-bg);
  border: 1px solid var(--bbc-glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 1rem;
  transition: 
    transform var(--bbc-transition-base),
    border-color var(--bbc-transition-base),
    box-shadow var(--bbc-transition-base);
}

.bbc-glass:hover {
  transform: translateY(-4px);
  border-color: rgba(147, 197, 253, 0.4);
  box-shadow: var(--bbc-shadow-card);
}

/* Non-hoverable glass (for static containers) */
.bbc-glass-static {
  background: var(--bbc-glass-bg);
  border: 1px solid var(--bbc-glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 1rem;
}

/* ============================
   GRADIENT TEXT UTILITY
   ============================ */
.bbc-gradient-text {
  background: linear-gradient(135deg, var(--bbc-accent-blue), var(--bbc-accent-purple));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--bbc-accent-blue); /* Fallback */
}

.bbc-gradient-text-alt {
  background: linear-gradient(135deg, var(--bbc-accent-cyan), var(--bbc-accent-emerald));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--bbc-accent-cyan); /* Fallback */
}

/* ============================
   BUTTONS
   ============================ */
.bbc-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--bbc-accent-blue), var(--bbc-accent-purple));
  color: #fff;
  padding: 0.875rem 1.75rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 0.75rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  overflow: hidden;
  transition: 
    transform var(--bbc-transition-base),
    box-shadow var(--bbc-transition-base);
}

.bbc-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left var(--bbc-transition-slow);
}

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

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

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

/* Secondary button variant */
.bbc-btn-secondary {
  background: transparent;
  border: 1px solid var(--bbc-glass-border);
  color: var(--bbc-text-primary);
}

.bbc-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: none;
}

.bbc-btn-secondary::before {
  display: none;
}

/* ============================
   SECTION CONTAINERS
   ============================ */
.bbc-section {
  background: var(--bbc-glass-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(var(--bbc-blur));
  -webkit-backdrop-filter: blur(var(--bbc-blur));
  border-radius: 1.5rem;
  padding: var(--bbc-section-padding);
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
  transition: transform var(--bbc-transition-base);
}

.bbc-section:hover {
  transform: translateY(-2px);
}

/* ============================
   DIVIDERS
   ============================ */
.bbc-divider {
  height: 1px;
  width: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    var(--bbc-glass-border),
    transparent
  );
  margin: 2rem 0;
}

.bbc-divider-animated {
  height: 2px;
  width: 100%;
  background: linear-gradient(
    90deg,
    var(--bbc-accent-blue),
    var(--bbc-accent-purple),
    var(--bbc-accent-cyan),
    var(--bbc-accent-blue)
  );
  background-size: 300% 100%;
  animation: bbc-gradient-shift 8s linear infinite;
  margin: 2rem 0;
}

@keyframes bbc-gradient-shift {
  0% { background-position: 0% 50%; }
  100% { background-position: 300% 50%; }
}

/* ============================
   GLOW EFFECTS
   ============================ */
.bbc-glow {
  box-shadow: var(--bbc-shadow-glow);
  transition: box-shadow var(--bbc-transition-base);
}

.bbc-glow:hover {
  box-shadow: var(--bbc-shadow-glow-strong);
}

.bbc-glow-border {
  position: relative;
  border-radius: 0.75rem;
  background: var(--bbc-bg-dark);
}

.bbc-glow-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--bbc-accent-blue), var(--bbc-accent-cyan));
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* ============================
   CARD EFFECTS
   ============================ */
.bbc-card {
  position: relative;
  background: var(--bbc-glass-bg);
  border: 1px solid var(--bbc-glass-border);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: 
    transform var(--bbc-transition-base),
    box-shadow var(--bbc-transition-base),
    border-color var(--bbc-transition-base);
}

.bbc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.2);
  border-color: rgba(59, 130, 246, 0.3);
}

/* Pricing card with gradient border on hover */
.bbc-pricing-card {
  position: relative;
  overflow: hidden;
}

.bbc-pricing-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 1rem;
  padding: 2px;
  background: linear-gradient(135deg, var(--bbc-accent-blue), var(--bbc-accent-purple));
  -webkit-mask: 
    linear-gradient(#fff 0 0) content-box, 
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--bbc-transition-base);
}

.bbc-pricing-card:hover::before {
  opacity: 1;
}

/* Featured card variant */
.bbc-pricing-card-featured::before {
  opacity: 1;
}

/* ============================
   FAQ ACCORDION
   ============================ */
.bbc-faq-item {
  margin-bottom: 0.75rem;
  background: rgba(17, 24, 39, 0.5);
  border: 1px solid var(--bbc-glass-border);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: border-color var(--bbc-transition-base);
}

.bbc-faq-item:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.bbc-faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--bbc-text-primary);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--bbc-transition-fast);
}

.bbc-faq-question:hover {
  background: rgba(255, 255, 255, 0.03);
}

.bbc-faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-left: 1rem;
  color: var(--bbc-text-secondary);
  transition: transform var(--bbc-transition-base);
}

.bbc-faq-item[data-expanded="true"] .bbc-faq-icon {
  transform: rotate(180deg);
}

.bbc-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--bbc-transition-base), padding var(--bbc-transition-base);
}

.bbc-faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--bbc-text-secondary);
  line-height: 1.7;
}

.bbc-faq-item[data-expanded="true"] .bbc-faq-answer {
  max-height: 500px;
}

/* ============================
   ECLIPSE BACKGROUND EFFECT
   ============================ */
.bbc-eclipse-bg {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.2) 0%,
    rgba(139, 92, 246, 0.1) 30%,
    transparent 70%
  );
  border-radius: 50%;
  transform: translate(-50%, -50%);
  filter: blur(80px);
  pointer-events: none;
  z-index: -1;
  will-change: transform, opacity;
  animation: bbc-eclipse-drift 30s ease-in-out infinite alternate;
}

@keyframes bbc-eclipse-drift {
  0% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(-45%, -55%) scale(1.1);
    opacity: 0.8;
  }
  100% {
    transform: translate(-55%, -45%) scale(0.95);
    opacity: 0.7;
  }
}

/* ============================
   SCROLL REVEAL ANIMATIONS
   ============================ */
.bbc-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: 
    opacity 0.8s cubic-bezier(0.17, 0.55, 0.55, 1),
    transform 0.8s cubic-bezier(0.17, 0.55, 0.55, 1);
}

.bbc-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered reveal for children */
.bbc-reveal-stagger > .bbc-reveal:nth-child(1) { transition-delay: 0.1s; }
.bbc-reveal-stagger > .bbc-reveal:nth-child(2) { transition-delay: 0.2s; }
.bbc-reveal-stagger > .bbc-reveal:nth-child(3) { transition-delay: 0.3s; }
.bbc-reveal-stagger > .bbc-reveal:nth-child(4) { transition-delay: 0.4s; }
.bbc-reveal-stagger > .bbc-reveal:nth-child(5) { transition-delay: 0.5s; }
.bbc-reveal-stagger > .bbc-reveal:nth-child(6) { transition-delay: 0.6s; }

/* ============================
   UTILITY ANIMATIONS
   ============================ */
.bbc-float {
  animation: bbc-float 6s ease-in-out infinite;
}

@keyframes bbc-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.bbc-pulse {
  animation: bbc-pulse 2s ease-in-out infinite;
}

@keyframes bbc-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.bbc-fade-in {
  animation: bbc-fade-in 0.6s ease-out forwards;
}

@keyframes bbc-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================
   FOOTER
   ============================ */
.bbc-footer {
  background: linear-gradient(to right, #0f172a, var(--bbc-bg-light));
  color: var(--bbc-text-secondary);
  padding: 3rem 1.5rem 2rem;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
}

.bbc-footer a {
  color: var(--bbc-accent-cyan);
  text-decoration: none;
  transition: color var(--bbc-transition-fast);
}

.bbc-footer a:hover {
  color: var(--bbc-accent-purple);
}

.bbc-footer a:focus-visible {
  outline: 2px solid var(--bbc-accent-cyan);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ============================
   RESPONSIVE BREAKPOINTS
   ============================ */

/* Tablet and below */
@media (max-width: 1024px) {
  :root {
    --bbc-section-padding: 2.5rem 1.5rem;
  }
  
  .bbc-eclipse-bg {
    width: 600px;
    height: 600px;
    filter: blur(60px);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --bbc-section-padding: 2rem 1rem;
  }
  
  .bbc-section {
    border-radius: 1rem;
  }
  
  .bbc-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }
  
  .bbc-faq-question {
    padding: 1rem 1.25rem;
    font-size: 0.95rem;
  }
  
  .bbc-faq-answer-inner {
    padding: 0 1.25rem 1rem;
  }
  
  /* Reduce eclipse on mobile for performance */
  .bbc-eclipse-bg {
    width: 400px;
    height: 400px;
    filter: blur(40px);
    opacity: 0.5;
    animation-duration: 60s; /* Slower = less CPU */
  }
}

/* Small mobile */
@media (max-width: 480px) {
  :root {
    --bbc-section-padding: 1.5rem 1rem;
  }
  
  .bbc-card {
    padding: 1.25rem;
  }
  
  .bbc-btn {
    width: 100%;
  }
}

/* ============================
   REDUCED MOTION PREFERENCES
   ============================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .bbc-eclipse-bg {
    display: none;
  }
  
  .bbc-reveal {
    opacity: 1;
    transform: none;
  }
  
  .bbc-glass:hover,
  .bbc-card:hover,
  .bbc-section:hover {
    transform: none;
  }
}

/* ============================
   HIGH CONTRAST MODE
   ============================ */
@media (prefers-contrast: high) {
  :root {
    --bbc-glass-border: rgba(255, 255, 255, 0.3);
    --bbc-text-secondary: #d1d5db;
  }
  
  .bbc-btn {
    border: 2px solid #fff;
  }
  
  .bbc-glass,
  .bbc-card,
  .bbc-section {
    border-width: 2px;
  }
}

/* ============================
   PRINT STYLES
   ============================ */
@media print {
  .bbc-eclipse-bg,
  .bbc-divider-animated {
    display: none;
  }
  
  .bbc-glass,
  .bbc-card,
  .bbc-section {
    background: #fff;
    border: 1px solid #ccc;
    box-shadow: none;
  }
  
  .bbc-gradient-text {
    -webkit-text-fill-color: #1e40af;
    color: #1e40af;
  }
  
  body.bbc-themed {
    background: #fff;
    color: #000;
  }
}

/* ============================
   UTILITY CLASSES
   ============================ */

/* Visually hidden but accessible to screen readers */
.bbc-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;
}

/* Skip link for keyboard navigation */
.bbc-skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bbc-accent-blue);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 0.5rem 0.5rem;
  font-weight: 600;
  z-index: 100000;
  transition: top var(--bbc-transition-fast);
}

.bbc-skip-link:focus {
  top: 0;
}

/* Container with max-width */
.bbc-container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 768px) {
  .bbc-container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}