/* FreeLogoAPI Professional Styles */

:root {
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;
  
  --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-4: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
}

/* Import Better Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-inter);
  color: #1f2937;
  line-height: 1.6;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.display-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Improved Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 0.75rem;
  transition: all var(--transition-base);
  cursor: pointer;
  outline: none;
  border: none;
  text-decoration: none;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, rgba(255,255,255,0) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn:hover::before {
  opacity: 1;
}

.btn-primary {
  background: var(--gradient-1);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(118, 75, 162, 0.39);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(118, 75, 162, 0.5);
}

.btn-secondary {
  background: white;
  color: #4b5563;
  border: 1px solid #e5e7eb;
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: #f9fafb;
  border-color: #d1d5db;
  box-shadow: var(--shadow-md);
}

/* Glass Morphism Cards */
.glass-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 1rem;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.glass-card-dark {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

/* Animated Gradient Background */
.animated-gradient {
  background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
}

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

/* Logo Grid Improvements */
.logo-grid-item {
  position: relative;
  background: white;
  border-radius: 1rem;
  padding: 1.5rem;
  border: 2px solid #f3f4f6;
  transition: all var(--transition-slow);
  cursor: pointer;
  overflow: hidden;
}

.logo-grid-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.logo-grid-item:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: transparent;
  box-shadow: 0 20px 40px -15px rgba(102, 126, 234, 0.5);
}

.logo-grid-item:hover::before {
  opacity: 0.05;
}

/* Search Input Enhancement */
.search-input {
  width: 100%;
  padding: 1rem 1.25rem 1rem 3.5rem;
  font-size: 1.125rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.875rem;
  transition: all var(--transition-base);
  background: white;
}

.search-input:focus {
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  outline: none;
}

.search-input::placeholder {
  color: #9ca3af;
  font-size: 1rem;
}

/* Loading Animation */
.loading-dots {
  display: inline-flex;
  gap: 4px;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: loading-bounce 1.4s ease-in-out infinite both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }
.loading-dots span:nth-child(3) { animation-delay: 0; }

@keyframes loading-bounce {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Success Animation */
@keyframes success-checkmark {
  0% {
    stroke-dashoffset: 100;
    opacity: 0;
  }
  20% {
    opacity: 1;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

.success-checkmark {
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: success-checkmark 0.5s ease-out forwards;
}

/* Tooltip */
.tooltip {
  position: relative;
}

.tooltip-content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 0.5rem 0.75rem;
  background: #1f2937;
  color: white;
  font-size: 0.875rem;
  border-radius: 0.5rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
  z-index: 10;
}

.tooltip-content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: #1f2937;
}

.tooltip:hover .tooltip-content {
  opacity: 1;
  transform: translateX(-50%) translateY(-12px);
}

/* Code Block Enhancement */
.code-block {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  border-radius: 0.875rem;
  padding: 1.5rem;
  overflow-x: auto;
  position: relative;
  box-shadow: var(--shadow-xl);
}

.code-block::before {
  content: '';
  position: absolute;
  top: 0.75rem;
  left: 1rem;
  display: flex;
  gap: 0.5rem;
}

.code-block::before {
  content: '● ● ●';
  color: #4b5563;
  font-size: 0.75rem;
  letter-spacing: 0.25rem;
}

.code-block code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.7;
  color: #e2e8f0;
}

/* Smooth Scroll Bar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: #f3f4f6;
  border-radius: 10px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #d1d5db, #9ca3af);
  border-radius: 10px;
  border: 2px solid #f3f4f6;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #9ca3af, #6b7280);
}

/* Feature Cards with Hover Effects */
.feature-card {
  position: relative;
  padding: 2rem;
  background: white;
  border-radius: 1rem;
  border: 1px solid #e5e7eb;
  transition: all var(--transition-slow);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

.feature-card:hover::before {
  opacity: 1;
}

/* Badge Styles */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
}

.badge-warning {
  background: #fed7aa;
  color: #92400e;
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .display-title {
    font-size: clamp(2rem, 7vw, 3.5rem);
  }
  
  .glass-card {
    background: rgba(255, 255, 255, 0.98);
  }
  
  .code-block {
    padding: 1rem;
    border-radius: 0.75rem;
  }
}

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

.animate-fade-in-up {
  animation: fade-in-up 0.5s ease-out forwards;
}

@keyframes pulse-soft {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

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

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --primary-50: #1e3a8a;
    --primary-900: #eff6ff;
  }
}