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

:root {
  --color-black: #0a0a0a;
  --color-white: #ffffff;
  --color-gray-dark: #1a1a1a;
  --color-gray-light: #f0f0f0;
  --color-accent: #00f0ff;
  --color-accent-glow: rgba(0, 240, 255, 0.4);
  --font-primary: 'Inter', sans-serif;
  --container-width: 1200px;
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

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

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1.5rem;
  font-weight: 300;
  font-size: 1.125rem;
}

.highlight {
  color: var(--color-accent);
  position: relative;
  display: inline-block;
}

.highlight::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-accent-glow);
  z-index: -1;
  border-radius: 2px;
}

/* Buttons */
.button-primary, .button-outline {
  display: inline-block;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  font-size: 1rem;
}

.button-primary {
  background-color: var(--color-accent);
  color: var(--color-black);
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.button-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px var(--color-accent-glow);
}

.button-outline {
  border-color: var(--color-white);
  color: var(--color-white);
  background: transparent;
}

.button-outline:hover {
  background-color: var(--color-white);
  color: var(--color-black);
}

/* Header & Navigation */
.header {
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-white);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo span {
  color: var(--color-accent);
  font-weight: 300;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-list a {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-list a:hover {
  color: var(--color-accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--color-white);
  transition: var(--transition);
}

/* Hero Section */
.hero {
  padding: 6rem 0 8rem;
  overflow: hidden;
}

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

.hero-title span {
  display: block;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin: 1.5rem 0 2.5rem;
  max-width: 90%;
  color: #ccc;
}

.hero-visual {
  position: relative;
}

.visual-circle {
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  opacity: 0.6;
}

.image-wrapper {
  position: relative;
  z-index: 1;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: perspective(1000px) rotateY(-10deg);
  transition: var(--transition);
}

.image-wrapper:hover {
  transform: perspective(1000px) rotateY(0deg);
}

.image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%) contrast(120%);
}

/* Sections */
.section {
  padding: 6rem 0;
}

.section-dark {
  background-color: var(--color-gray-dark);
}

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

/* Cards */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.card {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(0, 240, 255, 0.2);
  transform: translateY(-10px);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

/* Security Section */
.security-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.security-image {
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.security-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(100%) contrast(110%);
}

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

.feature-list li {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  position: relative;
}

.feature-list li::before {
  content: '▸';
  color: var(--color-accent);
  position: absolute;
  left: 0;
}

/* Future Stats */
.future-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 4rem;
  font-size: 1.25rem;
}

.future-stats {
  display: flex;
  justify-content: center;
  gap: 5rem;
  margin-top: 4rem;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #aaa;
}

/* CTA Section */
.cta-section {
  padding: 8rem 0;
}

.cta-box {
  background-color: var(--color-gray-dark);
  border-radius: var(--border-radius);
  padding: 5rem;
  text-align: center;
  border: 1px solid rgba(0, 240, 255, 0.1);
  max-width: 800px;
  margin: 0 auto;
}

.cta-box h2 {
  margin-bottom: 1.5rem;
}

.cta-box > p {
  margin-bottom: 3rem;
  color: #ccc;
}

.contact-form {
  display: flex;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto 1.5rem;
}

.contact-form input {
  flex-grow: 1;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(0, 0, 0, 0.3);
  color: var(--color-white);
  font-family: var(--font-primary);
  font-size: 1rem;
  outline: none;
  transition: var(--transition);
}

.contact-form input:focus {
  border-color: var(--color-accent);
}

.form-note {
  font-size: 0.9rem;
  color: #888;
  margin-bottom: 0;
}

/* Footer */
.footer {
  padding: 4rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
  text-align: center;
}

.footer-logo {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.footer-logo span {
  color: var(--color-accent);
  font-weight: 300;
}

.footer-tagline {
  font-size: 1.125rem;
  color: #aaa;
  margin-bottom: 2rem;
}

.footer-copyright {
  color: #666;
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-nav a {
  color: #aaa;
  text-decoration: none;
  transition: var(--transition);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--color-white);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid, .security-grid {
      grid-template-columns: 1fr;
      gap: 3rem;
  }
  
  .hero-visual {
      order: -1;
  }
  
  .visual-circle {
      width: 300px;
      height: 300px;
  }
  
  .future-stats {
      gap: 3rem;
  }
  
  .cta-box {
      padding: 3rem 2rem;
  }
  
  .contact-form {
      flex-direction: column;
  }
}

@media (max-width: 768px) {
  .nav-list {
      display: none;
  }
  
  .menu-toggle {
      display: flex;
  }
  
  .nav-list.active {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 100%;
      left: 0;
      width: 100%;
      background-color: var(--color-black);
      padding: 2rem;
      gap: 1.5rem;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  
  .future-stats {
      flex-direction: column;
      gap: 2rem;
  }
  
  .footer-nav {
      flex-direction: column;
      gap: 1rem;
  }
}

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

.card, .hero-text, .security-text, .cta-box {
  animation: fadeInUp 0.8s ease-out forwards;
}
.eco-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.eco-features {
  margin-top: 3rem;
}

.eco-feature {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: flex-start;
}

.eco-feature:last-child {
  margin-bottom: 0;
}

.eco-icon {
  font-size: 2rem;
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.eco-feature h3 {
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.eco-feature p {
  font-size: 1rem;
  margin-bottom: 0;
  color: #ccc;
}

.eco-image {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.eco-image img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(30%) contrast(110%) sepia(10%);
  transition: var(--transition);
}

.eco-image:hover img {
  filter: grayscale(0%) contrast(120%);
  transform: scale(1.03);
}

.image-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
  padding: 1.5rem;
  font-size: 0.9rem;
  color: #aaa;
  text-align: center;
}

/* Стили для блока стандартов */
.standards-intro {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 4rem;
  font-size: 1.25rem;
  color: #ccc;
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.standard-card {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.standard-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  opacity: 0;
  transition: var(--transition);
}

.standard-card:hover {
  border-color: rgba(0, 240, 255, 0.1);
  transform: translateY(-5px);
}

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

.standard-card h3 {
  color: var(--color-accent);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.standard-card p {
  font-size: 1rem;
  margin-bottom: 0;
}

.compliance-note {
  background-color: rgba(0, 240, 255, 0.05);
  border-left: 4px solid var(--color-accent);
  padding: 1.5rem 2rem;
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  max-width: 800px;
  margin: 0 auto;
}

.compliance-note p {
  margin-bottom: 0;
  color: #ccc;
}

.compliance-note strong {
  color: var(--color-white);
}

@media (max-width: 992px) {
  .eco-grid {
      grid-template-columns: 1fr;
      gap: 3rem;
  }
  
  .eco-image {
      order: -1;
  }
  
  .standards-grid {
      grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .eco-feature {
      flex-direction: column;
      gap: 1rem;
  }
  
  .eco-icon {
      align-self: center;
  }
  
  .compliance-note {
      padding: 1rem 1.5rem;
  }
}