.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(10, 14, 20, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg) var(--spacing-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--primary);
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

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

.lang-switch {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--glass-medium);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
}

.lang-switch:hover {
  background: var(--glass-heavy);
  border-color: var(--primary);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: radial-gradient(
      ellipse at top right,
      rgba(201, 169, 89, 0.1),
      transparent 50%
    ),
    radial-gradient(
      ellipse at bottom left,
      rgba(30, 58, 95, 0.15),
      transparent 50%
    );
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.hero-title {
  margin-bottom: var(--spacing-lg);
}

.hero-title-main {
  display: block;
  font-size: 72px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
}

.hero-title-sub {
  display: block;
  font-size: 24px;
  color: var(--text-secondary);
  font-weight: 400;
}

.hero-description {
  color: var(--text-secondary);
  font-size: 18px;
  margin-bottom: var(--spacing-xl);
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: center;
  animation: fadeIn 1s ease-out 0.2s backwards;
}

.phone-mockup {
  width: 280px;
  height: 580px;
  background: linear-gradient(135deg, var(--surface), var(--surface-alt));
  border-radius: 40px;
  border: 3px solid var(--glass-border);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 60px rgba(201, 169, 89, 0.1);
  padding: 12px;
  position: relative;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--background);
  border-radius: 32px;
  overflow: hidden;
  position: relative;
}

.screen-content {
  padding: var(--spacing-lg);
  height: 100%;
  background: linear-gradient(
    180deg,
    var(--background) 0%,
    var(--surface) 100%
  );
}

.scan-frame {
  width: 100%;
  height: 60%;
  border: 2px dashed var(--primary);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-lg);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scan-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
    circle,
    rgba(201, 169, 89, 0.1) 0%,
    transparent 70%
  );
}

.scan-result {
  padding: var(--spacing-md);
  text-align: center;
}

.result-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-sm);
  color: var(--primary);
}

.result-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.result-meta {
  font-size: 14px;
  color: var(--text-tertiary);
}

.section-title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--spacing-3xl);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.feature-card {
  padding: var(--spacing-xl);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 30px rgba(201, 169, 89, 0.1);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--primary);
}

.feature-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.feature-description {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

.howto-steps {
  display: grid;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.howto-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

.step-number {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(201, 169, 89, 0.3);
}

.step-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.step-description {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
}

.download {
  text-align: center;
  background: radial-gradient(
    circle at center,
    rgba(201, 169, 89, 0.05) 0%,
    transparent 70%
  );
}

.download-description {
  color: var(--text-secondary);
  font-size: 18px;
  margin-bottom: var(--spacing-xl);
}

.download-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.contact {
  background: linear-gradient(
    180deg,
    var(--background) 0%,
    var(--surface) 100%
  );
}

.contact-description {
  text-align: center;
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: var(--spacing-2xl);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  color: var(--text-primary);
  font-size: 14px;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--glass-light);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(201, 169, 89, 0.1);
}

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

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.footer {
  background: var(--surface);
  border-top: 1px solid var(--glass-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-3xl);
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.footer-section {
  margin-bottom: var(--spacing-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.footer-logo .logo-icon {
  width: 28px;
  height: 28px;
}

.footer-logo .logo-text {
  font-size: 20px;
}

.footer-tagline {
  color: var(--text-tertiary);
  font-size: 14px;
}

.footer-section-title {
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

.footer-links a:hover,
.footer-links a.active {
  color: var(--primary);
}

.footer-bottom {
  padding: var(--spacing-lg) var(--spacing-lg);
  border-top: 1px solid var(--glass-border);
}

.footer-copyright {
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13px;
}

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

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

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .hero-title-main {
    font-size: 48px;
  }

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

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
  }

  .nav {
    display: none;
  }

  .phone-mockup {
    width: 240px;
    height: 500px;
  }
}