/* ===== Base Styles ===== */
:root {
  --primary: #2563eb;
  --primary-light: rgba(37, 99, 235, 0.1);
  --secondary: #8b5cf6;
  --secondary-light: rgba(139, 92, 246, 0.1);
  --accent: #06d6a0;
  --dark: #0f172a;
  --darker: #0a0f1c;
  --light: #f8fafc;
  --gray: #64748b;
  --light-gray: rgba(255, 255, 255, 0.7);
  --border-radius: 16px;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
  color: white;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Layout ===== */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
}

p {
  font-size: 16px;
  color: var(--light-gray);
}

.gradient-text {
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% auto;
  animation: gradientText 3s ease infinite;
}

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

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-size: 16px;
  position: relative;
  overflow: hidden;
}

.btn i {
  font-size: 14px;
}

.btn-primary {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.4);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to bottom right,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: rotate(30deg);
  animation: shine 3s infinite;
  z-index: -1;
}

.btn-outline {
  border: 2px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

/* ===== Header ===== */
header {
  padding: 25px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  z-index: 100;
}

.logo {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo i {
  font-size: 24px;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 35px;
}

nav ul li a {
  color: var(--light-gray);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  font-size: 16px;
  position: relative;
}

nav ul li a:hover {
  color: white;
}

nav ul li a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.3s ease;
}

nav ul li a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  font-size: 24px;
  cursor: pointer;
  color: white;
  background: transparent;
  border: none;
}

/* ===== Hero Section ===== */
.hero {
  padding: 100px 0 60px;
  display: flex;
  flex-direction: column;
  gap: 80px;
  position: relative;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: float 6s ease-in-out infinite;
}

.hero h1 {
  font-size: 64px;
  font-weight: 800;
  margin-bottom: 25px;
  line-height: 1.1;
}

.hero p {
  font-size: 22px;
  color: var(--gray);
  margin-bottom: 50px;
  max-width: 700px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.stats {
  display: flex;
  justify-content: center;
  gap: 50px;
  margin-top: 50px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
  background: rgba(255, 255, 255, 0.05);
  padding: 25px 30px;
  border-radius: var(--border-radius);
  min-width: 140px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 16px;
  color: var(--gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.app-preview {
  background: linear-gradient(145deg, #1a1a4a, #0f0f2d);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--box-shadow);
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.app-preview::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 22px;
  background: linear-gradient(45deg, var(--primary), var(--secondary), var(--primary));
  z-index: -1;
  background-size: 200% 200%;
  animation: gradientBorder 4s ease infinite;
}

.app-preview img {
  width: 100%;
  border-radius: 12px;
  box-shadow: var(--box-shadow);
  display: block;
  position: relative;
  z-index: 2;
}

.gradient-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.3), transparent 70%);
  z-index: 1;
}

/* ===== Features Section ===== */
.features {
  padding: 120px 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: 80px;
}

.section-title h2 {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 20px;
}

.section-title p {
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto;
  font-size: 20px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius);
  padding: 40px 35px;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--box-shadow);
}

.feature-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.feature-card:hover::after {
  transform: scaleX(1);
}

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(145deg, var(--primary), var(--secondary));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 25px;
  font-size: 28px;
  color: white;
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
  transform: scale(1.05);
}

.feature-card h3 {
  font-size: 24px;
  margin-bottom: 20px;
}

.feature-card p {
  color: var(--gray);
  font-size: 18px;
}

/* ===== Chains Section ===== */
.chains {
  padding: 100px 0;
  background: rgba(255, 255, 255, 0.03);
  position: relative;
}

.chains::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.1), transparent 70%);
  z-index: -1;
}

.chains-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
  margin-top: 50px;
}

.chain-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 20px 30px;
  display: flex;
  align-items: center;
  gap: 15px;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
}

.chain-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.chain-item img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.chain-item:hover img {
  transform: scale(1.15);
}

/* ===== CTA Section ===== */
.cta {
  padding: 120px 0;
  text-align: center;
  position: relative;
}

.cta-card {
  background: linear-gradient(145deg, #1a1a4a, #0f0f2d);
  border-radius: var(--border-radius);
  padding: 80px 60px;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--box-shadow);
  backdrop-filter: blur(10px);
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.1), transparent 60%);
  z-index: -1;
}

.cta h2 {
  font-size: 42px;
  margin-bottom: 25px;
}

.cta p {
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto 50px;
  font-size: 20px;
}

/* ===== Footer ===== */
footer {
  padding: 100px 0 40px;
  background: var(--darker);
  position: relative;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 60px;
  margin-bottom: 80px;
}

.footer-column {
  flex: 1;
  min-width: 220px;
  max-width: 300px;
}

.footer-column h3 {
  font-size: 20px;
  margin-bottom: 25px;
  color: white;
}

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

.footer-column ul li {
  margin-bottom: 15px;
}

.footer-column ul li a {
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
  font-size: 16px;
}

.footer-column ul li a:hover {
  color: var(--secondary);
}

.footer-description {
  color: var(--gray);
  margin: 25px 0;
  font-size: 16px;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 20px;
  margin-top: 30px;
}

.social-links a {
  color: var(--gray);
  font-size: 22px;
  transition: var(--transition);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.05);
}

.social-links a:hover {
  color: var(--secondary);
  background: rgba(139, 92, 246, 0.1);
  transform: translateY(-3px);
}

.copyright {
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--gray);
  font-size: 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 15px;
}

.footer-links a {
  color: var(--gray);
  text-decoration: none;
  font-size: 16px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--secondary);
}

/* ===== Animations ===== */
@keyframes shine {
  0% { transform: rotate(30deg) translate(-30%, -30%); }
  100% { transform: rotate(30deg) translate(30%, 30%); }
}

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

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
  100% { transform: translateY(0px); }
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
  .container {
    padding: 0 30px;
  }
  
  .hero h1 {
    font-size: 56px;
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 992px) {
  .hero h1 {
    font-size: 48px;
  }
  
  .hero p {
    font-size: 20px;
  }
  
  .section-title h2 {
    font-size: 36px;
  }
  
  .feature-card {
    padding: 30px 25px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  
  nav ul {
    display: none;
    position: absolute;
    top: 90px;
    left: 0;
    width: 100%;
    background: var(--darker);
    flex-direction: column;
    padding: 25px;
    border-bottom: 2px solid var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }
  
  nav ul.show {
    display: flex;
  }
  
  nav ul li {
    margin: 15px 0;
    margin-left: 0;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  #connect-wallet {
    display: none;
  }
  
  .hero {
    padding: 80px 0 40px;
  }
  
  .hero h1 {
    font-size: 40px;
  }
  
  .hero p {
    font-size: 18px;
  }
  
  .cta-buttons {
    flex-direction: column;
    width: 100%;
    gap: 15px;
  }
  
  .btn {
    width: 100%;
  }
  
  .stats {
    gap: 20px;
  }
  
  .stat-item {
    padding: 20px;
    min-width: 120px;
  }
  
  .stat-value {
    font-size: 28px;
  }
  
  .section-title h2 {
    font-size: 32px;
  }
  
  .section-title p {
    font-size: 18px;
  }
  
  .cta h2 {
    font-size: 32px;
  }
  
  .cta p {
    font-size: 18px;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 40px;
  }
  
  .footer-column {
    max-width: 100%;
  }
  
  .app-preview {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 32px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  .section-title h2 {
    font-size: 28px;
  }
  
  .feature-card {
    padding: 25px 20px;
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }
  
  .feature-card h3 {
    font-size: 20px;
  }
  
  .cta-card {
    padding: 50px 30px;
  }
  
  .chain-item {
    padding: 15px 20px;
  }
  
  .footer-column h3 {
    font-size: 18px;
  }
}