/* =====================================================
   TranslateConnect Pro - Dynamic Logo Animation System
   ===================================================== */

:root {
  /* Animation Timing Variables */
  --logo-transition-duration: 0.4s;
  --logo-transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
  --logo-hover-duration: 0.3s;
  --logo-morph-delay: 0.15s;
  
  /* Logo Size Variables */
  --logo-full-width: auto;
  --logo-compact-width: auto;
  --logo-icon-size: 32px;
  --logo-mobile-icon-size: 28px;
  
  /* Logo Colors */
  --logo-primary-color: #0EA5E9;
  --logo-secondary-color: #0284C7;
  --logo-text-color: var(--text-primary, #1a1a1a);
  --logo-hover-glow: 0 0 20px rgba(14, 165, 233, 0.3);
}

/* ===== Base Logo Container ===== */
.logo-animated {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none !important;
  transition: all var(--logo-transition-duration) var(--logo-transition-easing);
  cursor: pointer;
  white-space: nowrap;
}

/* Ensure no underlines in any state */
.logo-animated:link,
.logo-animated:visited,
.logo-animated:hover,
.logo-animated:focus,
.logo-animated:active {
  text-decoration: none !important;
}

.logo-animated:hover {
  transform: scale(1.05);
  filter: drop-shadow(var(--logo-hover-glow));
  text-decoration: none !important;
}

/* Accessibility - Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .logo-animated,
  .logo-animated * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ===== Logo Icon ===== */
.logo-icon {
  position: relative;
  width: var(--logo-icon-size);
  height: var(--logo-icon-size);
  flex-shrink: 0;
  transition: all var(--logo-transition-duration) var(--logo-transition-easing);
}

.logo-icon svg {
  width: 100%;
  height: 100%;
  transition: transform var(--logo-hover-duration) ease;
}

.logo-animated:hover .logo-icon svg {
  transform: rotate(360deg);
}

/* ===== Logo Text Container ===== */
.logo-text {
  position: relative;
  display: flex;
  align-items: baseline;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--logo-text-color);
  letter-spacing: -0.02em;
  transition: all var(--logo-transition-duration) var(--logo-transition-easing);
  width: auto;
  white-space: nowrap;
}

/* Individual Letter Spans for Morphing */
.logo-text span {
  display: inline-block;
  transition: all var(--logo-transition-duration) var(--logo-transition-easing);
  transform-origin: center;
}

/* ===== Full Logo State (Homepage) ===== */
.logo-full .logo-text {
  width: auto;
}

.logo-full .logo-letter {
  opacity: 1;
  transform: translateX(0);
}

.logo-full .logo-letter-hide {
  opacity: 1;
  transform: scale(1);
  width: auto;
  margin: 0 1px;
}

/* ===== Compact Logo State (Interior Pages) ===== */
.logo-compact .logo-text {
  width: auto;
}

.logo-compact .logo-letter {
  transition-delay: calc(var(--letter-index) * 0.02s);
}

.logo-compact .logo-letter-hide {
  opacity: 0;
  transform: scale(0);
  width: 0;
  margin: 0;
  overflow: hidden;
}

/* Keep only T, C, P visible in compact mode */
.logo-compact .logo-letter[data-letter="T"],
.logo-compact .logo-letter[data-letter="C"],
.logo-compact .logo-letter[data-letter="P"] {
  opacity: 1;
  transform: translateX(0);
  font-size: 1.5rem;
}

/* ===== Icon-Only State (Mobile) ===== */
.logo-icon-only .logo-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  margin: 0;
}

.logo-icon-only .logo-icon {
  width: var(--logo-mobile-icon-size);
  height: var(--logo-mobile-icon-size);
}

/* Tooltip for icon-only state */
.logo-icon-only::after {
  content: "TranslateConnect Pro";
  position: absolute;
  bottom: -35px;
  left: 50%;
  transform: translateX(-50%) scale(0);
  background: var(--bg-elevated, #1a1a1a);
  color: var(--text-primary, #fff);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.875rem;
  white-space: nowrap;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.logo-icon-only:hover::after {
  transform: translateX(-50%) scale(1);
  opacity: 1;
}

/* ===== Page Load Animation ===== */
@keyframes logoReveal {
  0% {
    opacity: 0;
    transform: translateY(-20px);
  }
  50% {
    opacity: 0.5;
    transform: translateY(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.logo-animated.logo-initial-load {
  animation: logoReveal 0.8s var(--logo-transition-easing) forwards;
}

/* ===== Morphing Animation ===== */
@keyframes letterMorph {
  0% {
    transform: scale(1) rotate(0deg);
  }
  50% {
    transform: scale(1.2) rotate(180deg);
  }
  100% {
    transform: scale(1) rotate(360deg);
  }
}

.logo-morphing .logo-letter {
  animation: letterMorph 0.6s var(--logo-transition-easing);
}

/* ===== Responsive Breakpoints ===== */

/* Desktop - Full animations */
@media (min-width: 1024px) {
  .logo-animated {
    min-width: 120px;
  }
  
  .logo-full {
    min-width: var(--logo-full-width);
  }
}

/* Tablet - Simplified transitions */
@media (min-width: 768px) and (max-width: 1023px) {
  .logo-animated {
    --logo-transition-duration: 0.3s;
  }
  
  .logo-full .logo-text {
    font-size: 1.125rem;
  }
  
  .logo-compact .logo-text {
    font-size: 1.25rem;
  }
}

/* Mobile - Icon only */
@media (max-width: 767px) {
  .logo-animated {
    --logo-transition-duration: 0.2s;
  }
  
  /* Force icon-only on mobile */
  .logo-animated:not(.logo-force-full) {
    min-width: auto;
  }
  
  .logo-animated:not(.logo-force-full) .logo-text {
    display: none;
  }
  
  .logo-animated:not(.logo-force-full) .logo-icon {
    width: var(--logo-mobile-icon-size);
    height: var(--logo-mobile-icon-size);
  }
}

/* ===== Header Integration ===== */
.header-brand {
  display: inline-flex;
  align-items: center;
  padding: 8px 0;
}

/* Sticky header logo transition */
.header-sticky .logo-animated {
  transform: scale(0.9);
}

.header-sticky .logo-full {
  /* Auto-switch to compact in sticky header */
  --logo-full-width: var(--logo-compact-width);
}

/* ===== Dark Mode Support ===== */
[data-theme="dark"] .logo-animated {
  --logo-text-color: #ffffff;
  --logo-hover-glow: 0 0 25px rgba(14, 165, 233, 0.5);
}

[data-theme="dark"] .logo-icon-only::after {
  background: var(--bg-elevated, #2a2a2a);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ===== Loading State ===== */
.logo-loading {
  position: relative;
  overflow: hidden;
}

.logo-loading::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(14, 165, 233, 0.3),
    transparent
  );
  animation: logoShimmer 2s infinite;
}

@keyframes logoShimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

/* ===== Special Effects ===== */

/* Gradient text effect */
.logo-gradient .logo-text {
  background: linear-gradient(135deg, var(--logo-primary-color), var(--logo-secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Pulse effect on hover */
@keyframes logoPulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.logo-animated.logo-pulse:hover {
  animation: logoPulse 1s ease infinite;
}