:root {
  --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #FF4757 50%, #FFD93D 100%);
  --gradient-secondary: linear-gradient(135deg, #FFD93D 0%, #FF8C5A 50%, #FF4757 100%);
  --gradient-bg: linear-gradient(135deg, #FFF5F0 0%, #FFE8E0 50%, #FFF9E6 100%);
  --orange-primary: #FF6B35;
  --red-accent: #FF4757;
  --yellow-accent: #FFD93D;
  --text-primary: #1A1A1A;
  --text-secondary: #4A4A4A;
  --text-muted: #7A7A7A;
  --white: #FFFFFF;
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--gradient-bg);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Static gradient background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(255, 107, 53, 0.1) 0%, 
    rgba(255, 71, 87, 0.1) 33%, 
    rgba(255, 217, 61, 0.1) 66%,
    rgba(255, 140, 90, 0.1) 100%);
  z-index: -1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
}

/* Modern Header */
header {
  position: sticky;
  top: 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.logo {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

nav {
  display: flex;
  gap: 40px;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: all 0.3s ease;
  position: relative;
  padding: 8px 0;
}

nav a:hover {
  color: var(--orange-primary);
}

nav a.active {
  color: var(--orange-primary);
}

nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

/* Modern Typography */
h1 {
  font-size: 56px;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 20px;
  line-height: 1.1;
  letter-spacing: -1px;
}

h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 60px;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}

h3 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 40px;
  margin-bottom: 16px;
}

p {
  margin-bottom: 20px;
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.7;
}

/* Modern Hero Card */
.hero-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 32px;
  padding: 80px 60px;
  margin-bottom: 60px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-primary);
  opacity: 0.1;
}

.hero-card h1 {
  position: relative;
  z-index: 1;
}

.hero-card p {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Modern Buttons */
.button-group {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
  background: var(--white);
  color: var(--orange-primary);
  border: 2px solid transparent;
  background-clip: padding-box;
  position: relative;
}

.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 100px;
  padding: 2px;
  background: var(--gradient-primary);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.2);
}

/* Modern Info Box */
.info-box {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 32px;
  margin: 32px 0;
  position: relative;
  overflow: hidden;
}

.info-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}

.info-box p {
  margin-bottom: 12px;
  color: var(--text-primary);
}

.info-box strong {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

/* Links */
a {
  color: var(--orange-primary);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

a:hover {
  color: var(--red-accent);
}

section a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Modern Tables */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 32px 0;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

thead {
  background: var(--gradient-primary);
}

th {
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
  color: white;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 16px 20px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  color: var(--text-secondary);
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: rgba(255, 107, 53, 0.05);
}

/* Warning Box */
.warning {
  background: linear-gradient(135deg, rgba(255, 71, 87, 0.1) 0%, rgba(255, 107, 53, 0.1) 100%);
  border: 2px solid rgba(255, 71, 87, 0.3);
  border-radius: 16px;
  padding: 24px;
  margin: 32px 0;
  position: relative;
}

.warning::before {
  content: '⚠️';
  position: absolute;
  top: 24px;
  left: 24px;
  font-size: 24px;
}

.warning p {
  margin-left: 40px;
}

.warning strong {
  color: var(--red-accent);
}

/* Modern Footer */
footer {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--glass-border);
  padding: 60px 0;
  margin-top: 120px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--orange-primary);
  text-decoration: none;
}

.footer-text {
  color: var(--text-muted);
  font-size: 14px;
}

/* Lists */
ul, ol {
  margin-left: 24px;
  margin-bottom: 20px;
}

li {
  margin-bottom: 12px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Blockquotes */
blockquote {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-left: 4px solid var(--gradient-primary);
  padding: 24px 32px;
  margin: 32px 0;
  border-radius: 12px;
  font-style: italic;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 40px 20px;
  }
  
  .header-container {
    padding: 16px 20px;
  }
  
  h1 {
    font-size: 40px;
  }
  
  h2 {
    font-size: 28px;
  }
  
  .hero-card {
    padding: 48px 32px;
    border-radius: 24px;
  }
  
  nav {
    gap: 24px;
  }
  
  nav a {
    font-size: 14px;
  }
  
  .btn {
    padding: 14px 28px;
    font-size: 15px;
  }
  
  table {
    font-size: 14px;
  }
  
  th, td {
    padding: 12px;
  }
}

/* Emoji Support */
.emoji {
  font-size: 1.2em;
  margin-right: 8px;
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  header, footer {
    display: none;
  }
  
  .container {
    max-width: 100%;
  }
  
  .hero-card {
    background: white;
    border: 1px solid #ddd;
  }
}