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

:root {
  --primary-color: #ff6b35;
  --secondary-color: #f39c12;
  --accent-color: #e74c3c;
  --dark-bg: #1a1a2e;
  --darker-bg: #16213e;
  --light-text: #ffffff;
  --gray-text: #b8b8b8;
  --success-color: #27ae60;
  --gradient-primary: linear-gradient(135deg, #ff6b35 0%, #f39c12 100%);
  --gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  --shadow-light: 0 4px 20px rgba(255, 107, 53, 0.3);
  --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.3);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--light-text);
  background: var(--gradient-dark);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(26, 26, 46, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.nav-logo h1 {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.5rem;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-menu a {
  color: var(--gray-text);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

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

.cta-nav {
  background: var(--gradient-primary);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  color: white !important;
  font-weight: 600;
}

.cta-nav:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

/* Hero Section */
.hero {
  padding: 8rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%23ff6b35" stop-opacity="0.1"/><stop offset="100%" stop-color="%23f39c12" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>')
    no-repeat center center;
  background-size: cover;
  opacity: 0.3;
  z-index: -1;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-content h2 {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--gray-text);
  margin-bottom: 2rem;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--gray-text);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary,
.btn-cta {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary,
.btn-cta {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-light);
}

.btn-primary:hover,
.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--light-text);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-color);
}

.btn-cta {
  font-size: 1.2rem;
  padding: 1.2rem 3rem;
  background: linear-gradient(135deg, #e74c3c 0%, #ff6b35 100%);
  box-shadow: 0 8px 32px rgba(231, 76, 60, 0.4);
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--gray-text);
}

/* Section Styles */
section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--gray-text);
  max-width: 600px;
  margin: 0 auto;
}

/* About UC Section */
.about-uc {
  background: rgba(255, 255, 255, 0.03);
}

.uc-info {
  max-width: 800px;
  margin: 0 auto;
}

.uc-description {
  text-align: center;
  margin-bottom: 3rem;
}

.uc-description p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--gray-text);
}

.uc-uses h3 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 2rem;
  color: var(--primary-color);
}

.uses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.use-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.use-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
}

.use-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.use-item h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.use-item p {
  color: var(--gray-text);
  line-height: 1.6;
}

/* Methods Section */
.methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.method-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.method-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.method-card:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-dark);
}

.method-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  color: white;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.method-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.method-card p {
  color: var(--gray-text);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.method-tips {
  background: rgba(255, 107, 53, 0.1);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.method-tips strong {
  color: var(--primary-color);
  display: block;
  margin-bottom: 0.5rem;
}

.method-tips ul {
  list-style: none;
  margin-left: 1rem;
}

.method-tips li {
  color: var(--gray-text);
  margin-bottom: 0.3rem;
  position: relative;
}

.method-tips li::before {
  content: "✓";
  color: var(--success-color);
  font-weight: bold;
  margin-right: 0.5rem;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-secondary);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="b" cx="50%" cy="50%" r="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="100" cy="800" r="200" fill="url(%23b)"/><circle cx="900" cy="200" r="150" fill="url(%23b)"/></svg>')
    no-repeat center center;
  background-size: cover;
  opacity: 0.3;
}

.cta-content {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-content > p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-features {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.feature {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  backdrop-filter: blur(10px);
}

.feature-icon {
  font-size: 1.2rem;
}

.cta-note {
  margin-top: 2rem;
  font-size: 0.9rem;
  opacity: 0.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* FAQ Section */
.faq {
  background: rgba(255, 255, 255, 0.03);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.faq-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
}

.faq-item h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.faq-item p {
  color: var(--gray-text);
  line-height: 1.7;
}

/* Footer */
.footer {
  background: var(--darker-bg);
  padding: 3rem 0 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.footer-section p {
  color: var(--gray-text);
  line-height: 1.6;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--gray-text);
  text-decoration: none;
  transition: var(--transition);
}

.footer-section a:hover {
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.social-links a:hover {
  background: var(--primary-color);
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray-text);
  font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content h2 {
    font-size: 1.2rem;
  }

  .nav-menu {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    gap: 2rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .methods-grid {
    grid-template-columns: 1fr;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .cta-features {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .method-card,
  .faq-item {
    padding: 1.5rem;
  }

  .btn-primary,
  .btn-secondary,
  .btn-cta {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
  }
}

/* Animation for smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.method-card,
.faq-item,
.use-item {
  animation: fadeInUp 0.6s ease-out;
}

/* Pulse animation for CTA button */
@keyframes pulse {
  0% {
    box-shadow: 0 8px 32px rgba(231, 76, 60, 0.4);
  }
  50% {
    box-shadow: 0 8px 32px rgba(231, 76, 60, 0.6);
  }
  100% {
    box-shadow: 0 8px 32px rgba(231, 76, 60, 0.4);
  }
}

.btn-cta {
  animation: pulse 2s infinite;
}

/* Free Codes Section */
.free-codes {
  background: rgba(255, 255, 255, 0.03);
}

.codes-intro {
  text-align: center;
  margin-bottom: 3rem;
}

.codes-intro p {
  font-size: 1.1rem;
  color: var(--gray-text);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.codes-warning {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: rgba(231, 76, 60, 0.1);
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--accent-color);
  margin: 0 auto;
  max-width: 600px;
}

.warning-icon {
  font-size: 1.5rem;
}

.codes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.code-category {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.code-category h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.code-item {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.code-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
}

.code {
  font-family: "Monaco", "Menlo", "Consolas", monospace;
  background: rgba(255, 107, 53, 0.2);
  padding: 0.8rem 1rem;
  border-radius: 6px;
  color: var(--primary-color);
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  word-break: break-all;
  border: 1px solid rgba(255, 107, 53, 0.3);
}

.reward {
  color: var(--gray-text);
  font-size: 1rem;
  text-align: center;
  line-height: 1.4;
  padding: 0.5rem 0;
  font-weight: 500;
}

.copy-code {
  background: var(--gradient-primary);
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  align-self: center;
  min-width: 100px;
}

.copy-code:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.redeem-info {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
}

.redeem-info h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.code-types {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.type-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.8rem;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.type-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.type-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.type-item strong {
  color: var(--primary-color);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
  display: block;
}

.type-item {
  color: var(--gray-text);
  line-height: 1.6;
}

.codes-cta {
  text-align: center;
  background: var(--gradient-secondary);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin-top: 2rem;
}

.codes-cta h3 {
  color: white;
  margin-bottom: 1rem;
}

.codes-cta p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 1.5rem;
}

/* Find Codes Section */
.find-codes {
  padding: 4rem 0;
}

.sources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.source-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}

.source-item:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
}

.source-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.source-item h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.source-item p {
  color: var(--gray-text);
  line-height: 1.6;
}

.update-info {
  max-width: 600px;
  margin: 0 auto;
}

.update-notice {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255, 107, 53, 0.1);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.update-icon {
  font-size: 1.5rem;
  color: var(--primary-color);
}

.update-notice h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.update-notice p {
  color: var(--gray-text);
  line-height: 1.6;
}

/* Resource Section */
.resource-section {
  background: rgba(255, 255, 255, 0.03);
}

.resource-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.resource-text h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.resource-text p {
  color: var(--gray-text);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--gray-text);
}

.benefit-icon {
  color: var(--success-color);
}

.resource-cta {
  text-align: center;
  margin-top: 2rem;
}

.cta-subtitle {
  margin-top: 0.5rem;
  color: var(--gray-text);
  font-size: 0.9rem;
}

.resource-features {
  background: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: var(--border-radius);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.resource-features h4 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.resource-features ul {
  list-style: none;
}

.resource-features li {
  color: var(--gray-text);
  margin-bottom: 0.8rem;
  padding-left: 0.5rem;
}

/* Responsive updates */
@media (max-width: 768px) {
  .codes-grid {
    grid-template-columns: 1fr;
  }

  .code-item {
    padding: 1.2rem;
    gap: 1rem;
  }

  .code {
    font-size: 0.9rem;
    padding: 0.6rem 0.8rem;
  }

  .reward {
    font-size: 0.9rem;
  }

  .copy-code {
    padding: 0.7rem 1.2rem;
    font-size: 0.8rem;
  }

  .resource-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .benefits-list {
    grid-template-columns: 1fr;
  }

  .sources-grid {
    grid-template-columns: 1fr;
  }
}