:root {
  --primary-color: #8b5cf6;
  --secondary-color: #06b6d4;
  --accent-color: #ec4899;
  --dark-bg: #0f172a;
  --darker-bg: #020617;
  --card-bg: #1e293b;
  --light-text: #f1f5f9;
  --gray-text: #94a3b8;
  --gradient-aurora: linear-gradient(135deg, #8b5cf6 0%, #ec4899 50%, #06b6d4 100%);
  --gradient-card: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(236, 72, 153, 0.1) 100%);
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.4);
  --shadow-pink: 0 0 30px rgba(236, 72, 153, 0.3);
  --shadow-cyan: 0 0 30px rgba(6, 182, 212, 0.3);
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Poppins', sans-serif;
  background-color: var(--dark-bg);
  color: var(--light-text);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at top left, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at top right, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at bottom center, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
  z-index: -1;
  pointer-events: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.age-notice {
  background: var(--gradient-aurora);
  color: white;
  text-align: center;
  padding: 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.3);
}

.site-header {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(139, 92, 246, 0.2);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light-text) !important;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.navbar-brand i {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.75rem;
  animation: spin 10s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

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

.nav-link {
  color: var(--gray-text) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  transition: var(--transition);
  position: relative;
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-aurora);
  transform: translateX(-50%);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--light-text) !important;
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 80%;
}

.btn-nav-login {
  background: rgba(139, 92, 246, 0.1);
  border-radius: 0.5rem;
  margin-left: 0.5rem;
}

.btn-nav-login:hover {
  background: rgba(139, 92, 246, 0.2);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.btn-nav-register {
  background: var(--gradient-aurora);
  color: white !important;
  border-radius: 0.5rem;
  margin-left: 0.5rem;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
}

.btn-nav-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(139, 92, 246, 0.5);
}

.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.aurora-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(ellipse at 20% 30%, rgba(139, 92, 246, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(236, 72, 153, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(6, 182, 212, 0.2) 0%, transparent 50%);
  animation: auroraMove 15s ease-in-out infinite;
  z-index: 0;
}

@keyframes auroraMove {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(5deg); }
}

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

.hero-badge {
  display: inline-block;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  color: var(--primary-color);
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(20deg); }
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-text);
  max-width: 540px;
  line-height: 1.8;
}

.btn-primary {
  background: var(--gradient-aurora);
  border: none;
  padding: 1rem 2rem;
  font-weight: 600;
  border-radius: 0.75rem;
  transition: var(--transition);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(139, 92, 246, 0.6);
}

.btn-outline-light {
  border: 2px solid rgba(241, 245, 249, 0.2);
  color: var(--light-text);
  padding: 1rem 2rem;
  font-weight: 600;
  border-radius: 0.75rem;
  transition: var(--transition);
}

.btn-outline-light:hover {
  background: rgba(241, 245, 249, 0.1);
  border-color: var(--light-text);
  transform: translateY(-3px);
}

.hero-stats {
  background: var(--gradient-card);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 2rem;
  border-radius: 1.5rem;
  backdrop-filter: blur(10px);
}

.stat-item {
  text-align: center;
}

.stat-item i {
  font-size: 2rem;
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--light-text);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-text);
  margin-top: 0.25rem;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.floating-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.6;
  animation: float 6s ease-in-out infinite;
}

.orb-1 {
  width: 200px;
  height: 200px;
  background: var(--primary-color);
  top: 10%;
  left: 20%;
  animation-delay: 0s;
}

.orb-2 {
  width: 150px;
  height: 150px;
  background: var(--accent-color);
  top: 60%;
  right: 10%;
  animation-delay: 2s;
}

.orb-3 {
  width: 180px;
  height: 180px;
  background: var(--secondary-color);
  bottom: 20%;
  left: 50%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-30px); }
}

.hero-card {
  position: relative;
  background: var(--gradient-card);
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 3rem;
  border-radius: 2rem;
  text-align: center;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glow);
  z-index: 2;
}

.card-glow {
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-aurora);
  border-radius: 2rem;
  z-index: -1;
  opacity: 0;
  transition: var(--transition);
}

.hero-card:hover .card-glow {
  opacity: 0.5;
}

.hero-card i {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.hero-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.prize-amount {
  font-size: 3rem;
  font-weight: 900;
  font-family: 'Space Grotesk', sans-serif;
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.countdown {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown-number {
  font-size: 2rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.countdown-label {
  font-size: 0.75rem;
  color: var(--gray-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.countdown-divider {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-color);
}

.experience-section,
.how-it-works-section,
.features-section {
  background: rgba(30, 41, 59, 0.3);
  backdrop-filter: blur(10px);
}

.section-header {
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-title i {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-text);
}

.experience-card {
  background: var(--gradient-card);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 2rem;
  border-radius: 1.5rem;
  text-align: center;
  transition: var(--transition);
  height: 100%;
  backdrop-filter: blur(10px);
}

.experience-card:hover {
  transform: translateY(-10px);
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: var(--shadow-glow);
}

.experience-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-aurora);
  border-radius: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: white;
  transform: rotate(10deg);
  transition: var(--transition);
}

.experience-card:hover .experience-icon {
  transform: rotate(0deg) scale(1.1);
}

.experience-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.experience-card p {
  color: var(--gray-text);
  margin-bottom: 0;
}

.step-card {
  background: var(--gradient-card);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 2rem;
  border-radius: 1.5rem;
  text-align: center;
  position: relative;
  transition: var(--transition);
  height: 100%;
  backdrop-filter: blur(10px);
}

.step-card:hover {
  transform: translateY(-10px);
  border-color: rgba(236, 72, 153, 0.5);
  box-shadow: var(--shadow-pink);
}

.step-number {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 50px;
  height: 50px;
  background: var(--gradient-aurora);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  font-weight: 800;
  font-family: 'Space Grotesk', sans-serif;
  color: white;
}

.step-icon {
  width: 100px;
  height: 100px;
  background: rgba(139, 92, 246, 0.15);
  border: 2px solid rgba(139, 92, 246, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2.5rem;
  color: var(--primary-color);
  transition: var(--transition);
}

.step-card:hover .step-icon {
  background: rgba(139, 92, 246, 0.25);
  transform: scale(1.1);
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.step-card p {
  color: var(--gray-text);
  margin-bottom: 0;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.feature-item {
  display: flex;
  gap: 1.5rem;
  background: var(--gradient-card);
  border: 1px solid rgba(139, 92, 246, 0.2);
  padding: 1.5rem;
  border-radius: 1rem;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.feature-item:hover {
  border-color: rgba(6, 182, 212, 0.5);
  box-shadow: var(--shadow-cyan);
  transform: translateX(10px);
}

.feature-icon {
  width: 60px;
  height: 60px;
  min-width: 60px;
  background: var(--gradient-aurora);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.feature-content h4 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.feature-content p {
  color: var(--gray-text);
  margin-bottom: 0;
  font-size: 0.9375rem;
}

.feature-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 400px;
}

.feature-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 400px;
}

.mini-card {
  background: var(--gradient-card);
  border: 1px solid rgba(139, 92, 246, 0.3);
  padding: 2rem;
  border-radius: 1.5rem;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.mini-card:hover {
  transform: scale(1.1) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

.mini-card i {
  font-size: 2.5rem;
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: 1rem;
}

.mini-card span {
  font-weight: 700;
  font-size: 1.125rem;
  font-family: 'Space Grotesk', sans-serif;
}

.cta-section {
  background: rgba(30, 41, 59, 0.3);
  backdrop-filter: blur(10px);
}

.cta-box {
  background: var(--gradient-card);
  border: 2px solid rgba(139, 92, 246, 0.3);
  padding: 3rem;
  border-radius: 2rem;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: var(--gradient-aurora);
  opacity: 0.05;
  animation: rotate 20s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.cta-title {
  font-size: 2rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.cta-text {
  font-size: 1.125rem;
  color: var(--gray-text);
  position: relative;
  z-index: 1;
}

.btn-cta {
  background: var(--gradient-aurora);
  border: none;
  padding: 1rem 2.5rem;
  font-weight: 700;
  border-radius: 0.75rem;
  color: white;
  transition: var(--transition);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.4);
  position: relative;
  z-index: 1;
}

.btn-cta:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 40px rgba(139, 92, 246, 0.6);
  color: white;
}

.site-footer {
  background: var(--darker-bg);
  border-top: 1px solid rgba(139, 92, 246, 0.2);
  padding: 4rem 0 2rem;
}

.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1.5rem;
}

.site-footer p {
  color: var(--gray-text);
  font-size: 0.9375rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

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

.site-footer a:hover {
  color: var(--accent-color);
}

.footer-heading {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--light-text);
  margin-bottom: 1.5rem;
  font-family: 'Space Grotesk', sans-serif;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: var(--gray-text);
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9375rem;
}

.footer-links a:hover {
  color: var(--primary-color);
  padding-left: 0.5rem;
}

.footer-img {
  max-width: 150px;
  height: auto;
  border-radius: 0.5rem;
  transition: var(--transition);
  opacity: 0.8;
}

.footer-img:hover {
  opacity: 1;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(139, 92, 246, 0.3);
}

.footer-img-invert {
  filter: brightness(0.9);
  background: white;
  padding: 0.5rem;
  border-radius: 0.5rem;
}

.footer-bottom {
  color: var(--gray-text);
  font-size: 0.875rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(139, 92, 246, 0.2);
  margin-top: 3rem;
}

@media (max-width: 991px) {
  .site-footer {
    padding: 3rem 0 1.5rem;
  }
  
  .footer-logo {
    text-align: center;
  }
  
  .site-footer .col-lg-4 p {
    text-align: center;
  }
}

@media (max-width: 991px) {
  .hero-title {
    font-size: 3rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .hero-visual {
    margin-top: 3rem;
  }
  
  .cta-title {
    font-size: 1.5rem;
  }
  
  .btn-cta {
    width: 100%;
    margin-top: 1.5rem;
  }
}

@media (max-width: 767px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .prize-amount {
    font-size: 2rem;
  }
  
  .countdown {
    gap: 0.5rem;
  }
  
  .countdown-number {
    font-size: 1.5rem;
  }
}