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

:root {
  /* Yellow color scheme */
  --primary-color: #fbbf24;
  --primary-dark: #f59e0b;
  --primary-light: #fcd34d;
  --secondary-color: #facc15;
  --accent-color: #eab308;
  
  /* Dark theme colors - Grayscale */
  --text-primary: #f9fafb;
  --text-secondary: #d1d5db;
  --text-light: #9ca3af;
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-dark: #000000;
  --bg-card: #1a1a1a;
  --border-color: #2a2a2a;
  
  /* Yellow gradients */
  --gradient-1: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  --gradient-2: linear-gradient(135deg, #fcd34d 0%, #fbbf24 100%);
  --gradient-3: linear-gradient(135deg, #fef08a 0%, #facc15 100%);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

html {
  scroll-behavior: smooth;
}

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

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  box-shadow: var(--shadow-md);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo-img {
  height: 32px;
  width: auto;
  display: block;
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-links a.btn-secondary {
  color: var(--bg-dark) !important;
  background: var(--primary-color);
  padding: 0.5rem 1.5rem;
  vertical-align: middle;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-links a.btn-secondary:hover {
  background: var(--primary-dark);
  color: var(--bg-dark) !important;
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
  background: var(--bg-primary);
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  overflow: hidden;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
  animation: float 20s infinite ease-in-out;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--gradient-1);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: var(--gradient-2);
  bottom: -150px;
  right: -150px;
  animation-delay: 5s;
}

.orb-3 {
  width: 300px;
  height: 300px;
  background: var(--gradient-3);
  top: 50%;
  right: 10%;
  animation-delay: 10s;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

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

.btn-primary,
.btn-secondary,
.btn-outline {
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  position: relative;
  overflow: hidden;
  line-height: 1.5;
}

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

.btn-primary {
  background: var(--gradient-1);
  color: var(--bg-dark);
  box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: var(--gradient-2);
}

.btn-secondary {
  background: var(--primary-color);
  color: var(--bg-dark);
}

.btn-secondary:hover {
  background: var(--primary-dark);
}

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

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--bg-dark);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

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

/* Section Styles */
section {
  padding: 80px 0;
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

/* Features Section */
.features {
  background: var(--bg-secondary);
}

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

.feature-card {
  background: var(--bg-card);
  background-image: none;
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-image 0.5s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 0;
  border-radius: 1rem;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-card > * {
  position: relative;
  z-index: 1;
}

.feature-card:hover .feature-title {
  color: var(--bg-dark);
  transition: color 0.3s ease;
}

.feature-card:hover .feature-description {
  color: rgba(15, 23, 42, 0.8);
  transition: color 0.3s ease;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Chains Section */
.chains {
  background: var(--bg-primary);
}

.chains-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.chain-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.chain-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.chain-logo {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: var(--gradient-1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bg-dark);
  overflow: hidden;
}

.chain-logo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

.chain-logo:has(img) {
  background: transparent;
  padding: 5px;
}

.chain-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.chain-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.chains-note {
  text-align: center;
  margin-top: 3rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
}

.chains-note a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}

.chains-note a:hover {
  text-decoration: underline;
}

.chains-note p {
  color: var(--text-secondary);
}

/* Industries Section */
.industries {
  background: var(--bg-secondary);
}

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

.industry-card {
  background: var(--bg-card);
  background-image: none;
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease, background-image 0.5s ease;
  position: relative;
  overflow: hidden;
}

.industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 0;
  border-radius: 1rem;
}

.industry-card:hover::before {
  opacity: 1;
}

.industry-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.industry-card > * {
  position: relative;
  z-index: 1;
}

.industry-card:hover .industry-name {
  color: var(--bg-dark);
  transition: color 0.3s ease;
}

.industry-card:hover .industry-description {
  color: rgba(15, 23, 42, 0.8);
  transition: color 0.3s ease;
}

.industry-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.industry-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.industry-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials {
  background: var(--bg-primary);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.testimonial-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.testimonial-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-dark);
  font-weight: 600;
  font-size: 1.25rem;
}

.author-name {
  font-weight: 600;
  color: var(--text-primary);
}

.author-role {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.companies-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
  background: var(--bg-card);
  border-radius: 1rem;
  border: 1px solid var(--border-color);
}

.company-logo {
  padding: 1rem 2rem;
  background: var(--bg-secondary);
  border-radius: 0.5rem;
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

/* Security Section */
.security {
  background: var(--bg-dark);
  color: white;
}

.security-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.security-text .section-title,
.security-text .section-subtitle {
  color: white;
}

.security-features {
  list-style: none;
  margin-top: 2rem;
}

.security-features li {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.9);
}

.check-icon {
  width: 24px;
  height: 24px;
  background: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-dark);
  font-weight: 700;
  flex-shrink: 0;
}

.security-badge {
  background: rgba(251, 191, 36, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.badge-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.badge-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

/* Contact Section */
.contact {
  background: var(--bg-secondary);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-primary);
  text-decoration: none;
  padding: 1rem;
  background: var(--bg-card);
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.contact-method:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

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

.contact-form {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-family: inherit;
  font-size: 1rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.btn-full {
  width: 100%;
}

.form-note {
  margin-top: 1rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Footer */
.footer {
  background: var(--bg-dark);
  color: white;
  padding: 2rem 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-description {
  color: rgba(255, 255, 255, 0.7);
  margin-top: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  margin-bottom: 1rem;
  font-weight: 600;
}

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

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

.footer-column ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, 0.7);
}

.footer-bottom p {
  margin: 0;
}

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-20px);
  }
  60% {
    transform: translateY(-10px);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.8s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.8s ease-out;
}

.scale-in {
  animation: scaleIn 0.6s ease-out;
}

/* Hero animations */
.hero-title {
  animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-subtitle {
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-cta {
  animation: fadeInUp 1s ease-out 0.6s both;
}

.hero-stats {
  animation: fadeInUp 1s ease-out 0.8s both;
}

/* Card hover animations */
.feature-card,
.chain-card,
.industry-card,
.testimonial-card {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover,
.chain-card:hover,
.industry-card:hover {
  transform: translateY(-10px) scale(1.02);
}

.feature-card:hover,
.industry-card:hover {
  background: var(--gradient-1);
}

/* Button animations */
.btn-primary,
.btn-secondary,
.btn-outline {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-primary::before,
.btn-secondary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before,
.btn-secondary:hover::before {
  left: 100%;
}

/* Icon animations */
.feature-icon,
.industry-icon {
  transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon,
.industry-card:hover .industry-icon {
  transform: scale(1.2) rotate(5deg);
  animation: pulse 2s infinite;
}

/* Chain logo animation */
.chain-logo {
  transition: all 0.3s ease;
}

.chain-card:hover .chain-logo {
  transform: scale(1.1) rotate(360deg);
}

/* Stat number animation */
.stat-number {
  transition: transform 0.3s ease;
}

.stat-item:hover .stat-number {
  transform: scale(1.1);
}

/* Navbar animation */
.navbar {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Section header animation */
.section-header {
  animation: fadeInUp 0.8s ease-out;
}

/* Stagger animation for grid items */
.features-grid > *,
.chains-grid > *,
.industries-grid > *,
.testimonials-grid > * {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

.features-grid > *:nth-child(1) { animation-delay: 0.1s; }
.features-grid > *:nth-child(2) { animation-delay: 0.2s; }
.features-grid > *:nth-child(3) { animation-delay: 0.3s; }
.features-grid > *:nth-child(4) { animation-delay: 0.4s; }
.features-grid > *:nth-child(5) { animation-delay: 0.5s; }
.features-grid > *:nth-child(6) { animation-delay: 0.6s; }
.features-grid > *:nth-child(7) { animation-delay: 0.7s; }
.features-grid > *:nth-child(8) { animation-delay: 0.8s; }
.features-grid > *:nth-child(9) { animation-delay: 0.9s; }
.features-grid > *:nth-child(10) { animation-delay: 1s; }
.features-grid > *:nth-child(11) { animation-delay: 1.1s; }
.features-grid > *:nth-child(12) { animation-delay: 1.2s; }

.chains-grid > *:nth-child(1) { animation-delay: 0.1s; }
.chains-grid > *:nth-child(2) { animation-delay: 0.15s; }
.chains-grid > *:nth-child(3) { animation-delay: 0.2s; }
.chains-grid > *:nth-child(4) { animation-delay: 0.25s; }
.chains-grid > *:nth-child(5) { animation-delay: 0.3s; }
.chains-grid > *:nth-child(6) { animation-delay: 0.35s; }
.chains-grid > *:nth-child(7) { animation-delay: 0.4s; }
.chains-grid > *:nth-child(8) { animation-delay: 0.45s; }
.chains-grid > *:nth-child(9) { animation-delay: 0.5s; }
.chains-grid > *:nth-child(10) { animation-delay: 0.55s; }

.industries-grid > *:nth-child(1) { animation-delay: 0.1s; }
.industries-grid > *:nth-child(2) { animation-delay: 0.15s; }
.industries-grid > *:nth-child(3) { animation-delay: 0.2s; }
.industries-grid > *:nth-child(4) { animation-delay: 0.25s; }
.industries-grid > *:nth-child(5) { animation-delay: 0.3s; }
.industries-grid > *:nth-child(6) { animation-delay: 0.35s; }
.industries-grid > *:nth-child(7) { animation-delay: 0.4s; }
.industries-grid > *:nth-child(8) { animation-delay: 0.45s; }
.industries-grid > *:nth-child(9) { animation-delay: 0.5s; }
.industries-grid > *:nth-child(10) { animation-delay: 0.55s; }

.testimonials-grid > *:nth-child(1) { animation-delay: 0.1s; }
.testimonials-grid > *:nth-child(2) { animation-delay: 0.3s; }
.testimonials-grid > *:nth-child(3) { animation-delay: 0.5s; }

/* Loading animation for form */
.contact-form {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

/* Scroll reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(50px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    border-top: 1px solid var(--border-color);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    font-size: 1.1rem;
    padding: 0.5rem 0;
  }

  .nav-links a.btn-secondary {
    margin-top: 0.5rem;
    padding: 0.75rem 1.5rem;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .mobile-menu-toggle span {
    transform-origin: center;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1.125rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta a {
    width: 100%;
    text-align: center;
  }

  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .section-title {
    font-size: 2rem;
  }

  .features-grid,
  .chains-grid,
  .industries-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .security-content,
  .contact-content {
    grid-template-columns: 1fr;
  }

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

  .footer-links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}