:root {
  --color-primary: #3B82F6;
  --color-primary-dark: #2563EB;
  --color-secondary: #10B981;
  --color-background: #111827;
  --color-surface: #1F2937;
  --color-surface-light: #374151;
  --color-text: #F9FAFB;
  --color-text-secondary: #9CA3AF;
  --color-border: #374151;
  --gradient-primary: linear-gradient(to right, #3B82F6, #10B981);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header Styles */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  transition: all 0.3s ease;
  padding: 1rem 0;
}

.header.scrolled {
  background-color: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
}

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

.desktop-nav {
  display: none;
}

@media (min-width: 768px) {
  .desktop-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
}

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

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

.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 1rem;
  background-color: var(--color-surface);
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

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

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 0.375rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-outline {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: rgba(59, 130, 246, 0.1);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  padding-top: 5rem;
  position: relative;
  overflow: hidden;
}

.grid-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  z-index: 0;
  background-image: linear-gradient(var(--color-border) 1px, transparent 1px),
                    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 2rem 2rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero-content {
    flex-direction: row;
    align-items: center;
  }
}

.hero-text {
  flex: 1;
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.5rem;
  }
}

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

.hero p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  margin-bottom: 2rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-visual {
  flex: 1;
}

.visual-container {
  background-color: var(--color-surface);
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  overflow: hidden;
  aspect-ratio: 16/9;
  display: flex;
}

.visual-half {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.visual-half:first-child {
  border-right: 1px solid var(--color-border);
}

.visual-icon {
  width: 4rem;
  height: 4rem;
  z-index: 1;
}

.visual-half:first-child .visual-icon {
  color: var(--color-primary);
}

.visual-half:last-child .visual-icon {
  color: var(--color-secondary);
}

.binary-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  font-family: monospace;
  font-size: 0.75rem;
  white-space: pre;
  overflow: hidden;
}

.binary-blue {
  color: var(--color-primary);
  animation: binary 30s linear infinite;
}

.binary-green {
  color: var(--color-secondary);
  animation: binary-slow 45s linear infinite;
}

@keyframes binary {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}

@keyframes binary-slow {
  0% { transform: translateY(-25%); }
  100% { transform: translateY(25%); }
}

/* Features Section */
.features {
  padding: 6rem 0;
}

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

.section-header h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-header h2 {
    font-size: 2.5rem;
  }
}

.section-header p {
  color: var(--color-text-secondary);
  max-width: 36rem;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.feature-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-0.25rem);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  display: inline-flex;
  padding: 0.75rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  background: rgba(59, 130, 246, 0.1);
}

.feature-icon i {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
}

.feature-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.feature-link:hover {
  text-decoration: underline;
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 0;
  background-color: var(--color-surface);
}

.steps-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-bottom: 4rem;
}

.step {
  display: flex;
  gap: 1rem;
}

.step-number {
  background: var(--gradient-primary);
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.step-header i {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-primary);
}

.step-header h3 {
  font-size: 1.25rem;
}

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

.process-flow {
  background-color: var(--color-surface-light);
  border-radius: 0.5rem;
  padding: 1rem;
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.flow-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1;
}

.flow-step i {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
}

.flow-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  background-color: var(--color-border);
  transform: translateY(-50%);
}

.flow-animation {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 33.33%;
  background: var(--gradient-primary);
  animation: flow-right 3s linear infinite;
}

@keyframes flow-right {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}

/* Results Section */
.results {
  padding: 6rem 0;
}

.metrics-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-bottom: 4rem;
}

.metric-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.metric-card.highlight {
  border-color: var(--color-primary);
}

.metric-label {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 1.875rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.highlight .metric-value {
  color: var(--color-primary);
}

.metric-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.comparison-table {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  overflow: hidden;
}

.comparison-table h3 {
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.875rem;
}

td.highlight {
  color: var(--color-primary);
}

.table-note {
  padding: 1rem;
  background-color: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 0.5rem;
  margin: 1.5rem;
}

/* CTA Section */
.cta {
  padding: 6rem 0;
  background-color: var(--color-surface);
  position: relative;
  overflow: hidden;
}

.cta::before,
.cta::after {
  content: '';
  position: absolute;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  filter: blur(6rem);
  opacity: 0.2;
}

.cta::before {
  background-color: var(--color-primary);
  top: 0;
  left: 0;
}

.cta::after {
  background-color: var(--color-secondary);
  bottom: 0;
  right: 0;
}

.cta-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 1rem;
  padding: 2rem;
  position: relative;
  z-index: 1;
  max-width: 48rem;
  margin: 0 auto;
}

.cta-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.newsletter {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.newsletter h3 {
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

#newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  #newsletter-form {
    flex-direction: row;
  }
}

#newsletter-form input {
  flex: 1;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 0.5rem 1rem;
  color: var(--color-text);
}

#newsletter-form input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.privacy-note {
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  margin-top: 0.5rem;
}

/* Footer */
.footer {
  background-color: var(--color-background);
  border-top: 1px solid var(--color-border);
  padding: 3rem 0;
}

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

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr 2fr;
  }
}

.footer-brand p {
  color: var(--color-text-secondary);
  margin: 1rem 0;
}

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

.social-links a {
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
}

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

.footer-links {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.link-group h3 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.link-group ul {
  list-style: none;
}

.link-group a {
  color: var(--color-text-secondary);
  text-decoration: none;
  display: block;
  padding: 0.25rem 0;
  transition: color 0.3s ease;
}

.link-group a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(2rem);
  transition: all 0.7s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}
/* About Page Styles */
.about-section {
  padding: 4rem 0;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

@media (min-width: 768px) {
  .about-content {
    flex-direction: row;
    align-items: center;
  }
}

.about-text {
  flex: 1;
}

.about-image {
  flex: 1;
}

.image-container {
  background-color: var(--color-surface);
  border-radius: 0.5rem;
  border: 1px solid var(--color-border);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.visual-icon {
  width: 6rem;
  height: 6rem;
  color: var(--color-primary);
  z-index: 1;
}

.tech-list {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.tech-list li {
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
}

.values-section {
  padding: 4rem 0;
  background-color: var(--color-surface);
}

.values-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 2rem;
}

.value-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  text-align: center;
}

.value-card i {
  width: 2rem;
  height: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.value-card h3 {
  margin-bottom: 0.5rem;
}

.value-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Contact Page Styles */
.contact-section {
  padding: 4rem 0;
}

.contact-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

@media (min-width: 768px) {
  .contact-content {
    flex-direction: row;
  }
}

.contact-form {
  flex: 1;
  background-color: var(--color-surface);
  border-radius: 0.75rem;
  padding: 2rem;
  border: 1px solid var(--color-border);
}

.contact-info {
  flex: 1;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  color: var(--color-text);
}

.form-group textarea {
  resize: vertical;
}

.info-card {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.info-card i {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.info-card h3 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.info-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.social-links {
  margin-top: 2rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.social-icons a {
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
}

.social-icons a:hover {
  color: var(--color-primary);
}

/* FAQ Section */
.faq-section {
  padding: 4rem 0;
  background-color: var(--color-surface);
}

.faq-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 2rem;
}

.faq-card {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.faq-card h3 {
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.faq-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Feature List */
.feature-list {
  list-style: none;
  margin: 1rem 0;
  padding: 0;
}

.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 0.5rem;
  height: 0.5rem;
  background-color: var(--color-primary);
  border-radius: 50%;
}

/* Active Nav Link */
.desktop-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
}