/* ===================================
   TRX Faucet - Modern Custom Styles
   Premium Design with Glassmorphism
   =================================== */

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

/* ===================================
   CSS Variables - Design System
   =================================== */
:root {
  /* TRX Brand Colors */
  --trx-primary: #eb0029;
  --trx-secondary: #6b21a8;
  --trx-accent: #a855f7;
  
  /* Modern Gradient Colors */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --gradient-tron: linear-gradient(135deg, #eb0029 0%, #a855f7 50%, #667eea 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  
  /* Dark Theme Colors */
  --bg-primary: #0f0f1e;
  --bg-secondary: #1a1a2e;
  --bg-card: rgba(26, 26, 46, 0.7);
  --bg-card-hover: rgba(26, 26, 46, 0.9);
  
  /* Glass Effect */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #b4b4b4;
  --text-muted: #6b7280;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 20px rgba(168, 85, 247, 0.4);
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Animated Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-tron);
  opacity: 0.03;
  z-index: -1;
  animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { opacity: 0.03; }
  50% { opacity: 0.06; }
}

/* ===================================
   Header Improvements
   =================================== */
.header {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.header:hover {
  background: rgba(255, 255, 255, 0.08);
}

#logo h1 a {
  background: var(--gradient-tron);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.5px;
  transition: var(--transition-fast);
}

#logo h1 a:hover {
  transform: scale(1.05);
  filter: brightness(1.2);
}

/* ===================================
   Card Styles - Glassmorphism
   =================================== */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  overflow: hidden;
  transition: all var(--transition-normal);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-tron);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow), var(--glass-shadow);
  border-color: rgba(168, 85, 247, 0.3);
}

.card:hover::before {
  opacity: 0.05;
}

.card-header {
  background: var(--gradient-tron);
  color: var(--text-primary);
  padding: 1.5rem;
  border-bottom: none;
  font-weight: 600;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card-body {
  padding: 2rem;
  background: transparent !important;
}

/* ===================================
   Form Styles
   =================================== */
.form-control {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  font-size: 1rem;
  transition: all var(--transition-normal);
  font-family: 'Inter', sans-serif;
}

.form-control:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--trx-accent);
  box-shadow: 0 0 0 4px rgba(168, 85, 247, 0.1);
  outline: none;
  transform: scale(1.01);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* ===================================
   Button Styles
   =================================== */
.btn {
  border: none;
  border-radius: var(--radius-md);
  padding: 1rem 2rem;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  font-family: 'Inter', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-dark {
  background: var(--gradient-tron);
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
}

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

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

.btn-lg {
  padding: 1.25rem 3rem;
  font-size: 1.1rem;
}

/* Loading State */
.btn.loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn.loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid #ffffff;
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 0.6s linear infinite;
}

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

/* ===================================
   Breadcrumbs
   =================================== */
.breadcrumbs {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.5rem 0;
}

.breadcrumbs h5 {
  color: var(--text-primary);
  font-weight: 600;
  margin: 0;
}

.breadcrumbs ol li a {
  color: var(--trx-accent);
  transition: var(--transition-fast);
}

.breadcrumbs ol li a:hover {
  color: var(--trx-primary);
  text-decoration: none;
}

/* ===================================
   Feature Blocks
   =================================== */
.feature-block {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  text-align: center;
  height: 100%;
}

.feature-block:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-glow);
  border-color: rgba(168, 85, 247, 0.3);
}

.feature-block img {
  width: 64px;
  height: 64px;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 4px 8px rgba(168, 85, 247, 0.3));
  transition: var(--transition-normal);
}

.feature-block:hover img {
  transform: scale(1.1) rotate(5deg);
}

.feature-block h4 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-block p {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ===================================
   Testimonials Section
   =================================== */
#testimonials {
  background: transparent;
}

.testimonials-content {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--glass-shadow);
}

.carousel-item h2 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.carousel-item p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.05rem;
}

.carousel-item h4 {
  color: var(--trx-accent);
  font-weight: 600;
  margin-top: 2rem;
}

.carousel-indicators li {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  margin: 0 6px;
  transition: var(--transition-fast);
}

.carousel-indicators li.active {
  background: var(--trx-accent);
  box-shadow: 0 0 10px var(--trx-accent);
}

/* ===================================
   Section Titles
   =================================== */
.section-title h2 {
  color: var(--text-primary);
  font-weight: 800;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-title .separator {
  color: var(--trx-accent);
  font-size: 1.2rem;
  font-weight: 500;
}

/* ===================================
   AdSense Containers
   =================================== */
.adsense-container {
  margin: 2rem 0;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-md);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  min-height: 100px;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }
  
  .card-body {
    padding: 1.5rem;
  }
  
  .btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
  }
  
  .section-title h2 {
    font-size: 2rem;
  }
  
  .testimonials-content {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
  }
  
  .feature-block {
    padding: 1.5rem;
  }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

.slide-in {
  animation: slideIn 0.6s ease forwards;
}

/* ===================================
   Utility Classes
   =================================== */
.text-gradient {
  background: var(--gradient-tron);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

/* ===================================
   Smooth Scrollbar
   =================================== */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--trx-accent);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--trx-primary);
}