:root {
  --ink: #111315;
  --graphite: #1b1f24;
  --iron: #262d35;
  --steam: #f2ece1;
  --ash: #a5a7ac;
  --mist: #8c9199;
  --yolk: #f1b545;
  --chili: #d55745;
  --scallion: #6e9e68;
  --ice: #5d8aa8;
  --ember: #f27a54;
  --glass: rgba(255, 255, 255, 0.06);
  --panel: rgba(24, 28, 33, 0.84);
  --overlay: rgba(10, 12, 15, 0.85);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI',
    Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--ink);
  color: var(--steam);
  line-height: 1.6;
  min-height: 100vh;
}

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

section {
  padding: 80px 0;
}

a {
  color: var(--ice);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--yolk);
}

.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(135deg, var(--ink) 0%, var(--graphite) 100%);
}

.hero-content {
  max-width: 800px;
}

.app-icon {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  margin-bottom: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.hero h1 {
  font-size: clamp(48px, 8vw, 72px);
  font-weight: 700;
  letter-spacing: -2px;
  margin-bottom: 16px;
  color: var(--steam);
}

.hero p {
  font-size: clamp(18px, 3vw, 24px);
  color: var(--ash);
  margin-bottom: 40px;
  line-height: 1.8;
}

.badge {
  display: inline-block;
  background: var(--panel);
  color: var(--yolk);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid var(--glass);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--ice);
  color: white;
  box-shadow: 0 4px 20px rgba(93, 138, 168, 0.4);
}

.btn-primary:hover {
  background: var(--yolk);
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(241, 181, 69, 0.4);
}

.btn-secondary {
  background: var(--panel);
  color: var(--steam);
  border: 1px solid var(--glass);
}

.btn-secondary:hover {
  background: var(--iron);
  border-color: var(--ice);
}

.buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.features {
  background: var(--graphite);
}

.section-title {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  text-align: center;
  margin-bottom: 60px;
  color: var(--steam);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--glass);
  border-radius: 20px;
  padding: 40px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  border-color: var(--ice);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(93, 138, 168, 0.2);
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
  color: var(--ice);
}

.feature-card h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--steam);
}

.feature-card p {
  color: var(--ash);
  font-size: 16px;
  line-height: 1.7;
}

.download {
  text-align: center;
}

.download-icons {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--glass);
  border-radius: 12px;
  padding: 16px 24px;
  transition: all 0.3s ease;
}

.store-badge:hover {
  border-color: var(--ice);
  background: var(--iron);
}

.store-badge svg {
  width: 32px;
  height: 32px;
}

.store-text {
  text-align: left;
}

.store-text span:first-child {
  display: block;
  font-size: 11px;
  color: var(--ash);
  text-transform: uppercase;
}

.store-text span:last-child {
  display: block;
  font-size: 18px;
  font-weight: 600;
  color: var(--steam);
}

.contact {
  background: var(--graphite);
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-content p {
  font-size: 18px;
  color: var(--ash);
  margin-bottom: 24px;
}

.contact-email {
  display: inline-block;
  background: var(--panel);
  padding: 20px 32px;
  border-radius: 12px;
  border: 1px solid var(--glass);
  color: var(--ice);
  font-size: 20px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.contact-email:hover {
  border-color: var(--yolk);
  color: var(--yolk);
}

footer {
  background: var(--ink);
  border-top: 1px solid var(--glass);
  padding: 60px 0;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}

.footer-links {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--ash);
  font-size: 16px;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: var(--ice);
}

.lang-switch {
  display: flex;
  gap: 12px;
}

.lang-switch a {
  color: var(--ash);
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.lang-switch a:hover,
.lang-switch a.active {
  background: var(--panel);
  color: var(--steam);
}

.copyright {
  text-align: center;
  color: var(--mist);
  font-size: 14px;
  margin-top: 40px;
}

.placeholder {
  background: var(--panel);
  border: 1px dashed var(--ash);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  color: var(--ash);
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
  }

  .hero {
    min-height: 70vh;
  }

  .app-icon {
    width: 100px;
    height: 100px;
  }

  .buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 16px;
  }
}