/* ============================================
   Wenjoy - Component Styles
   ============================================ */

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  transition: transform var(--transition-base) var(--ease-spring),
    background-color var(--transition-fast), border-color var(--transition-fast),
    color var(--transition-fast), box-shadow var(--transition-base);
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  font-size: var(--font-size-base);
  line-height: 1.2;
  gap: var(--spacing-sm);
  overflow: hidden;
  isolation: isolate;
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn-primary {
  background: var(--color-brand-coral);
  background-image: var(--gradient-accent);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

/* Shine sweep on primary buttons */
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform var(--transition-slow) var(--ease-out);
}

.btn-primary:hover {
  background-image: var(--gradient-primary);
  box-shadow: var(--shadow-glow-coral);
  transform: translateY(-2px);
}

.btn-primary:hover::after {
  transform: translateX(120%);
}

.btn-secondary {
  background: var(--color-bg-primary);
  color: var(--color-brand-purple-deep);
  border-color: var(--color-border-dark);
}

.btn-secondary:hover {
  border-color: var(--color-brand-purple-mid);
  background: var(--color-bg-tertiary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-brand-purple-deep);
  border-color: var(--color-brand-purple-deep);
}

.btn-outline:hover {
  background: var(--color-brand-purple-deep);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-glow-purple);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
}

.btn-ghost:hover {
  background: var(--color-bg-secondary);
}

/* Light button — for use on dark / mesh backgrounds */
.btn-light {
  background: var(--color-bg-primary);
  color: var(--color-brand-purple-deep);
}

.btn-light:hover {
  background: var(--color-bg-primary);
  color: var(--color-brand-purple-deep);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--color-bg-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base) var(--ease-out),
    border-color var(--transition-fast), box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lift);
  border-color: var(--color-brand-magenta-light);
  transform: translateY(-4px);
}

.card-header {
  margin-bottom: var(--spacing-lg);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
}

.card-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  color: var(--color-brand-purple-deep);
}

.badge-primary {
  background: var(--color-brand-magenta-soft);
  color: var(--color-brand-purple-deep);
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-light);
  color: var(--color-warning-dark);
}

/* Icon */
.icon {
  width: 1em;
  height: 1em;
  display: inline-block;
  flex-shrink: 0;
}

.icon-sm { width: 1rem; height: 1rem; }
.icon-md { width: 1.5rem; height: 1.5rem; }
.icon-lg { width: 2rem; height: 2rem; }
.icon-xl { width: 3rem; height: 3rem; }

/* Grid */
.grid {
  display: grid;
  gap: var(--spacing-xl);
}

.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-cols-4,
  .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-cols-4,
  .grid-cols-3,
  .grid-cols-2 { grid-template-columns: 1fr; }

  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    min-height: 44px;
  }
}

@media (max-width: 480px) {
  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    width: 100%;
    min-height: 48px;
  }

  .card { padding: var(--spacing-lg); }
  .grid { gap: var(--spacing-lg); }
}

/* Flex */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }

.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-primary { color: var(--color-brand-purple-deep); }
.text-secondary { color: var(--color-text-secondary); }

/* Section header (shared) */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.section-description {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.section-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-brand-magenta);
  margin-bottom: var(--spacing-sm);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in { animation: fadeIn var(--transition-base); }
.animate-fade-in-up { animation: fadeInUp var(--transition-base); }

.animate-on-scroll {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.animate-in {
  opacity: 1;
  transform: translateY(0);
}

.spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-brand-coral);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Special effects — keyframes
   ============================================ */
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%      { transform: translate(18px, -24px) scale(1.05); }
  66%      { transform: translate(-16px, 14px) scale(0.97); }
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes shimmer {
  0%   { transform: translateX(-120%); }
  100% { transform: translateX(120%); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 0.9; }
}

/* ============================================
   Scroll reveal (driven by js/animations.js)
   Elements start hidden; .is-visible animates in.
   ============================================ */
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale {
  opacity: 0;
  transition: opacity var(--transition-slow) var(--ease-out),
    transform var(--transition-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal-up    { transform: translateY(28px); }
.reveal-left  { transform: translateX(-28px); }
.reveal-right { transform: translateX(28px); }
.reveal-scale { transform: scale(0.94); }

.reveal-up.is-visible,
.reveal-left.is-visible,
.reveal-right.is-visible,
.reveal-scale.is-visible {
  opacity: 1;
  transform: none;
}

/* Stagger: direct children revealed in sequence (delays set inline by JS,
   container toggled to .is-visible when it enters the viewport) */
.stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow) var(--ease-out),
    transform var(--transition-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.stagger.is-visible > * {
  opacity: 1;
  transform: none;
}

/* ============================================
   Decorative utilities
   ============================================ */
/* Animated aurora/mesh background */
.bg-mesh {
  position: relative;
  isolation: isolate;
}

.bg-mesh::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--gradient-mesh);
  background-size: 300% 300%;
  animation: gradientShift 18s ease infinite;
}

/* Floating blob orb (decorative, aria-hidden) */
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
  opacity: 0.5;
  pointer-events: none;
  z-index: -1;
  animation: float 16s ease-in-out infinite;
  will-change: transform;
}

.blob--coral   { background: radial-gradient(circle, var(--color-brand-coral) 0%, transparent 70%); }
.blob--magenta { background: radial-gradient(circle, var(--color-brand-magenta) 0%, transparent 70%); }
.blob--purple  { background: radial-gradient(circle, var(--color-brand-purple-mid) 0%, transparent 70%); }
.blob--pink    { background: radial-gradient(circle, var(--color-brand-pink) 0%, transparent 70%); }

.blob--delay-1 { animation-delay: -4s; }
.blob--delay-2 { animation-delay: -8s; }
.blob--delay-3 { animation-delay: -12s; }

/* Glassmorphism surface */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-xl);
}

/* Gradient text */
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Gradient-border highlight card (use on a positioned element) */
.gradient-border {
  position: relative;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient-primary);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.gradient-border:hover::before {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .bg-mesh::before,
  .blob {
    animation: none;
  }
}