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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0d0d0f;
  color: #e8e8ed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Шапка */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(13,13,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 100;
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.byline {
  font-size: 13px;
  color: #888;
  font-weight: 400;
}

/* Герой */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: radial-gradient(ellipse at 50% 0%, rgba(120,90,200,0.08) 0%, transparent 60%);
}

.hero-content {
  max-width: 640px;
}

.hero-icon {
  margin-bottom: 24px;
  color: #b088f0;
}

.hero-logo {
  width: 96px;
  height: 96px;
  border-radius: 24px;
  filter: drop-shadow(0 0 32px rgba(139,92,246,0.3));
}

h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 18px;
  color: #999;
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-version {
  font-size: 13px;
  color: #666;
}

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  color: #fff;
  border: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139,92,246,0.35);
}

.btn-outline {
  background: transparent;
  color: #e8e8ed;
  border: 1px solid rgba(255,255,255,0.15);
}

.btn-outline:hover {
  border-color: rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.04);
}

.btn-large {
  padding: 18px 36px;
  font-size: 18px;
}

/* Секции */
.section {
  padding: 100px 24px;
}

.section-dark {
  background: rgba(255,255,255,0.02);
}

.section-inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-sub {
  color: #888;
  font-size: 16px;
  margin-bottom: 40px;
}

/* Фичи */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.feature-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s;
}

.feature-card:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(139,92,246,0.3);
  transform: translateY(-4px);
}

.feature-icon {
  color: #b088f0;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: #999;
  line-height: 1.5;
}

/* Скриншот */
.screenshot-placeholder {
  margin-top: 32px;
  background: rgba(255,255,255,0.02);
  border: 2px dashed rgba(255,255,255,0.1);
  border-radius: 16px;
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: #666;
}

.screenshot-placeholder p {
  font-size: 16px;
}

.hint {
  font-size: 13px;
  color: #444;
}

/* Скачать */
.download-card {
  background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(109,40,217,0.04));
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: 20px;
  padding: 48px 32px;
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.download-version {
  position: static;
}

.ver-tag {
  background: rgba(139,92,246,0.15);
  color: #b088f0;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.download-note {
  font-size: 14px;
  color: #777;
  margin-top: 4px;
}

/* Подвал */
footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 32px 24px;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-weight: 600;
}

.footer-by {
  color: #888;
  font-weight: 400;
  margin-left: 6px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: #888;
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #b088f0;
}

.footer-copy {
  font-size: 13px;
  color: #555;
}

/* Анимация */
.hero-content, .feature-card, .download-card {
  animation: fadeUp 0.8s ease both;
}

.feature-card:nth-child(2) { animation-delay: 0.1s; }
.feature-card:nth-child(3) { animation-delay: 0.2s; }
.feature-card:nth-child(4) { animation-delay: 0.3s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Адаптация */
@media (max-width: 640px) {
  .hero { padding: 100px 16px 60px; }
  .section { padding: 60px 16px; }
  .features { grid-template-columns: 1fr; }
  .download-card { padding: 32px 20px; }
  .footer-inner { flex-direction: column; text-align: center; }
}