:root {
  --primary-color: #1a365d;
  --secondary-color: #2d3748;
  --accent-color: #3182ce;
  --success-color: #38a169;
  --warning-color: #d69e2e;
  --danger-color: #e53e3e;
  --text-primary: #1a202c;
  --text-secondary: #4a5568;
  --text-light: #a0aec0;
  --text-white: #ffffff;
  --background-primary: #ffffff;
  --background-secondary: #f7fafc;
  --background-dark: #1a202c;
  --background-overlay: rgba(26, 54, 93, 0.85);
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --gradient-primary: linear-gradient(135deg, #1a365d 0%, #3182ce 100%);
  --gradient-secondary: linear-gradient(135deg, #2d3748 0%, #1a365d 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(26, 54, 93, 0.9) 0%, rgba(49, 130, 206, 0.8) 100%);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px 0 rgb(0 0 0 / 0.06);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -1px rgb(0 0 0 / 0.06);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -2px rgb(0 0 0 / 0.05);
  --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.06);
  
  /* Mobile-first breakpoints */
  --mobile: 320px;
  --tablet: 768px;
  --desktop: 1024px;
  --wide: 1280px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

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

/* Mobile-first container */
.container {
  width: 100%;
  padding: 0 1rem;
  margin: 0 auto;
}

/* Tablet and up */
@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
    max-width: 750px;
  }
}

/* Desktop and up */
@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
    max-width: 1200px;
  }
}

/* Wide screens */
@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Compact Mobile-First Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  min-height: 60px;
}

.logo {
  text-decoration: none;
  z-index: 1001;
  display: inline-block;
}

.logo-image {
  height: 40px;
  width: auto;
  display: block;
  transition: transform 0.3s ease;
}

.logo:hover .logo-image {
  transform: scale(1.05);
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: -0.25px;
}

.logo-text .accent {
  color: var(--accent-color);
}

/* Mobile Navigation - Initially Hidden */
.nav-menu {
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--background-primary);
  box-shadow: var(--shadow-lg);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.nav-menu.active {
  max-height: 400px;
  opacity: 1;
  visibility: visible;
}

.nav-menu .container {
  padding: 1rem;
}

.nav-link {
  display: block;
  padding: 0.875rem 0;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 1rem;
  border-bottom: 1px solid var(--border-light);
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:last-child {
  border-bottom: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-color);
  padding-left: 1rem;
}

.nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

.nav-link:hover::before,
.nav-link.active::before {
  width: 3px;
}

/* Hamburger Menu Button */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 3px;
  cursor: pointer;
  padding: 6px;
  background: none;
  border: none;
  z-index: 1001;
  transition: all 0.3s ease;
  border-radius: 4px;
}

.nav-toggle:hover {
  background: var(--background-secondary);
}

.bar {
  width: 20px;
  height: 2px;
  background-color: var(--primary-color);
  transition: all 0.3s ease;
  border-radius: 1px;
}

.nav-toggle.active .bar:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .bar:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Tablet Navigation - Horizontal */
@media (min-width: 768px) {
  .nav-container {
    padding: 1rem 0;
    min-height: 70px;
  }
  
  .logo-image {
    height: 45px;
  }
  
  .logo-text {
    font-size: 1.25rem;
  }
  
  .nav-menu {
    position: static;
    background: none;
    box-shadow: none;
    max-height: none;
    opacity: 1;
    visibility: visible;
    overflow: visible;
  }
  
  .nav-menu .container {
    padding: 0;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
  }
  
  .nav-link {
    padding: 0.5rem 1rem;
    border: none;
    font-size: 0.9rem;
    border-radius: 6px;
    white-space: nowrap;
  }
  
  .nav-link:hover,
  .nav-link.active {
    background: var(--background-secondary);
    padding-left: 1rem;
  }
  
  .nav-toggle {
    display: none;
  }
}

/* Desktop Navigation - More Space */
@media (min-width: 1024px) {
  .nav-container {
    padding: 1.25rem 0;
    min-height: 80px;
  }
  
  .logo-image {
    height: 50px;
  }
  
  .logo-text {
    font-size: 1.5rem;
  }
  
  .nav-menu .container {
    gap: 2.5rem;
  }
  
  .nav-link {
    font-size: 1rem;
    padding: 0.75rem 1.25rem;
  }
}

/* Modern Hero Section with Background Image - Mobile First */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: url('../images/11062b_77796b450e684448b8fc84a53058a6a6f000.avif') center/cover no-repeat;
  padding: 80px 0 60px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2rem;
}

.hero-content {
  max-width: 100%;
}

/* Tablet Hero */
@media (min-width: 768px) {
  .hero {
    padding: 120px 0 80px;
  }
  
  .hero-content {
    max-width: 600px;
  }
}

/* Desktop Hero */
@media (min-width: 1024px) {
  .hero .container {
    flex-direction: row;
    text-align: left;
    gap: 4rem;
  }
  
  .hero-content {
    flex: 1;
    max-width: none;
  }
  
  .hero-visual {
    flex: 1;
  }
}

/* Hero Typography - Mobile First */
.hero-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
  color: var(--text-white);
  letter-spacing: -0.5px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #3182ce 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1rem;
  font-style: italic;
  font-weight: 400;
}

.hero-description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  line-height: 1.6;
  max-width: 90%;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  width: 100%;
}

/* Tablet Hero Typography */
@media (min-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-description {
    font-size: 1.125rem;
    max-width: 100%;
  }
  
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
}

/* Desktop Hero Typography */
@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .hero-description {
    font-size: 1.25rem;
  }
  
  .hero-buttons {
    justify-content: flex-start;
  }
}

/* Modern Button System - Mobile First */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  cursor: pointer;
  min-width: 160px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.1);
  transition: left 0.5s ease;
  z-index: 1;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--accent-color);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-color);
}

.btn-primary:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: var(--text-white);
  color: var(--text-white);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  min-width: auto;
}

/* Tablet Buttons */
@media (min-width: 768px) {
  .btn {
    padding: 0.875rem 2.5rem;
    font-size: 1rem;
  }
}

/* Desktop Buttons */
@media (min-width: 1024px) {
  .btn {
    padding: 1rem 3rem;
  }
}

/* Hero Stats Cards - Mobile First */
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
  align-items: center;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  padding: 1.5rem 2rem;
  text-align: center;
  transition: all 0.3s ease;
  min-width: 120px;
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-5px);
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-white);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Tablet Hero Stats */
@media (min-width: 768px) {
  .hero-stats {
    flex-direction: row;
    justify-content: center;
    gap: 1.5rem;
  }
  
  .stat-card {
    padding: 2rem;
    min-width: 140px;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .stat-label {
    font-size: 0.875rem;
  }
}

/* Desktop Hero Stats */
@media (min-width: 1024px) {
  .hero-stats {
    justify-content: flex-start;
    margin-top: 0;
  }
  
  .stat-card {
    padding: 2.5rem;
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
}

/* Protocol Badges */
.protocol-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  justify-content: center;
}

.protocol-badge {
  background: var(--gradient-accent);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-subtitle {
  font-size: 1rem;
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  text-align: center;
}

.hero-applications {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.application {
  background: var(--background-light);
  color: var(--primary-color);
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-weight: 600;
  border: 2px solid var(--primary-color);
}

/* Hero Product Showcase */
.hero-product-showcase {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  padding: 2rem;
}

.main-hero-image {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}

.hero-product-image {
  max-width: 250px;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
}

.hero-node-image {
  max-width: 180px;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s ease;
}

.hero-product-image:hover,
.hero-node-image:hover {
  transform: translateY(-5px);
}

.tech-stack-visual {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 0.5rem;
  max-width: 600px;
  margin: 1rem 0;
}

.tech-badge {
  background: var(--background-dark);
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 2px solid var(--accent-color);
  transition: all 0.3s ease;
}

.tech-badge:hover {
  background: var(--accent-color);
  transform: translateY(-2px);
}

.version-info {
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  line-height: 1.4;
}

/* Modern Section Styling - Mobile First */
.section {
  padding: 4rem 0;
}

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

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-description {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 100%;
  margin: 0 auto;
  line-height: 1.6;
}

/* Tablet Sections */
@media (min-width: 768px) {
  .section {
    padding: 5rem 0;
  }
  
  .section-header {
    margin-bottom: 4rem;
  }
  
  .section-title {
    font-size: 2.25rem;
  }
  
  .section-description {
    font-size: 1.125rem;
    max-width: 600px;
  }
}

/* Desktop Sections */
@media (min-width: 1024px) {
  .section {
    padding: 6rem 0;
  }
  
  .section-title {
    font-size: 2.75rem;
  }
  
  .section-description {
    font-size: 1.25rem;
    max-width: 700px;
  }
}

/* Modern Card-Based Sections - Mobile First */
.security {
  background: var(--background-secondary);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.modern-card {
  background: var(--background-primary);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.modern-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.modern-card:hover::before {
  transform: scaleX(1);
}

.modern-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--text-white);
  font-size: 1.5rem;
  font-weight: 800;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.card-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.card-link:hover {
  color: var(--primary-color);
  transform: translateX(5px);
}

.card-link::after {
  content: '→';
  margin-left: 0.5rem;
  transition: transform 0.3s ease;
}

.card-link:hover::after {
  transform: translateX(3px);
}

/* Tablet Cards */
@media (min-width: 768px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }
  
  .modern-card {
    padding: 2.5rem;
  }
  
  .card-title {
    font-size: 1.375rem;
  }
}

/* Desktop Cards */
@media (min-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }
  
  .modern-card {
    padding: 3rem;
  }
}

/* Products Section */
.products {
  padding: 80px 0;
  background: var(--background-light);
}

.product-showcase {
  margin-top: 3rem;
}

.product-hero {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  align-items: start;
  background: var(--background-white);
  padding: 3rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
}

.product-hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.product-showcase-image {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
}

.product-hero-text p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.product-hero-text h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--accent-color);
  padding-bottom: 0.5rem;
}

.product-hero-text ul {
  list-style: none;
  padding: 0;
}

.product-hero-text li {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.6;
}

.product-hero-text li::before {
  content: '▶';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
  font-size: 1rem;
}

/* Specifications Section */
.specifications {
  padding: 60px 0;
  background: var(--background-white);
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.spec-column h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-color);
}

.spec-list {
  list-style: none;
  padding: 0;
}

.spec-list li {
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-color);
  position: relative;
  padding-left: 1.5rem;
}

.spec-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Solutions Section */
.solutions {
  padding: 80px 0;
  background: var(--background-light);
}

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

.solution-card {
  background: var(--background-white);
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  overflow: hidden;
}

.solution-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}

.solution-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  position: relative;
}

.solution-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.solution-card:hover .solution-img {
  transform: scale(1.05);
}

.solution-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  padding: 0 1.5rem;
  margin-top: 1.5rem;
}

.solution-card h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-color);
  margin-bottom: 1rem;
  padding: 0 1.5rem;
}

.solution-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.95rem;
  padding: 0 1.5rem 2rem;
}

/* About Section */
.about {
  padding: 80px 0;
  background: var(--background-white);
}

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

.about-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.about-stats {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

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

.about-features {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.feature {
  padding: 1.5rem;
  border-left: 4px solid var(--accent-color);
  background: var(--background-light);
  border-radius: 0 0.5rem 0.5rem 0;
}

.feature h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.feature p {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Contact Section */
.contact {
  padding: 80px 0;
  background: var(--background-light);
}

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

.contact-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.method-icon {
  width: 50px;
  height: 50px;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: white;
}

.method-icon.email {
  background: var(--gradient-primary);
}

.method-icon.phone {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.method-icon.location {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.method-info h4 {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

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

/* Form */
.form {
  background: var(--background-white);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

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

.form-input {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  background: var(--background-white);
  color: var(--text-primary);
}

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

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* Footer */
.footer {
  background: var(--text-primary);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-brand .logo-text {
  color: white;
}

.footer-description {
  color: var(--text-light);
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}

.footer-section h4 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

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

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

.footer-section ul li a {
  color: var(--text-light);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--accent-color);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: 1rem;
  text-align: center;
  color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--background-white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-md);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

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

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

  .protocol-badges {
    justify-content: center;
  }

  .hero-applications {
    justify-content: center;
  }

  .main-hero-image {
    flex-direction: column;
    gap: 1rem;
  }

  .hero-product-image,
  .hero-node-image {
    max-width: 200px;
  }

  .tech-stack-visual {
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
  }

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

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

  .product-hero {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }

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

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

  .about-stats {
    justify-content: space-around;
  }

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

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

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

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

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

  .about-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
  }
}