* {
  box-sizing: border-box;
}

:root {
  --bg-start: #100c1e;
  --bg-end: #2a1b3d;
  --card: #1c1230;
  --card-soft: #24163b;
  --text: #fbeaff;
  --text-muted: #d8bbdc;
  --accent: #ff55b7;
  --accent-soft: #ff85d2;
  --ok: #b6ffd3;
  --border: rgba(255, 255, 255, 0.12);
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(135deg, var(--bg-start), var(--bg-end));
  min-height: 100vh;
}

a {
  color: inherit;
}

.site-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(6px);
  background: rgba(16, 12, 30, 0.75);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  min-height: 70px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.brand {
  text-decoration: none;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent);
}

.main-nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.main-nav a {
  text-decoration: none;
  color: var(--text-muted);
  padding: 8px 10px;
  border-radius: 10px;
  transition: background 0.2s ease, color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--card-soft);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  font-weight: 700;
  cursor: pointer;
}

main {
  padding: 44px 0 60px;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 20px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 0 28px rgba(255, 70, 180, 0.18);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 3rem);
}

h2 {
  margin-top: 0;
  font-size: 1.6rem;
}

p {
  color: var(--text-muted);
  line-height: 1.6;
}

.badge {
  display: inline-block;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255, 85, 183, 0.16);
  color: #ffd6f0;
  margin-bottom: 12px;
  font-size: 0.88rem;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(to right, #ff33a8, #ff85d2);
  color: #fff;
}

.btn-secondary {
  border: 1px solid var(--border);
  background: var(--card-soft);
}

.highlights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.highlights li {
  background: var(--card-soft);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.preview-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 0 20px rgba(255, 70, 180, 0.2);
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.list {
  margin: 0;
  padding-left: 20px;
}

.list li {
  margin-bottom: 8px;
}

.ok {
  color: var(--ok);
}

.faq-item {
  margin-bottom: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 34px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .hero,
  .grid-3,
  .preview-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(1120px, calc(100% - 20px));
  }

  .header-inner {
    min-height: 56px;
    padding: 12px 0;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
  }

  .brand {
    font-size: 1.2rem;
  }

  .menu-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .main-nav {
    display: none;
    width: 100%;
    gap: 8px;
    flex-wrap: wrap;
    overflow-x: visible;
    justify-content: flex-start;
    padding: 4px 0;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    white-space: normal;
    padding: 7px 9px;
    font-size: 0.92rem;
    flex: 1 1 calc(50% - 8px);
    text-align: center;
  }

  main {
    padding: 20px 0 40px;
  }

  .panel {
    border-radius: 16px;
    padding: 18px;
  }

  h1 {
    font-size: 1.7rem;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}