:root {
  --bg: #050a1d;
  --bg-card: #0d1433;
  --line: #1f2b5f;
  --text: #e9efff;
  --muted: #b2c1ff;
  --brand-1: #45e6ff;
  --brand-2: #a34bff;
  --brand-3: #ff4ba8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 10% 10%, #11215d 0, var(--bg) 45%), var(--bg);
  line-height: 1.55;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 20%, rgba(69, 230, 255, .12), transparent 35%),
    radial-gradient(circle at 85% 15%, rgba(163, 75, 255, .12), transparent 30%),
    radial-gradient(circle at 50% 90%, rgba(255, 75, 168, .1), transparent 30%);
  z-index: 0;
}
.wrap { width: min(1200px, 92%); margin: 0 auto; }
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 248px;
  overflow-y: auto;
  background: linear-gradient(180deg, #0b1538 0%, #08102b 100%);
  border-right: 1px solid var(--line);
  padding: 16px 14px 22px;
  z-index: 30;
  box-shadow: 12px 0 30px rgba(2, 8, 30, .45);
}
.side-logo {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: 1px;
  margin: 2px 0 14px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2), var(--brand-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.side-promo {
  background: linear-gradient(90deg, #ff4ba8, #a34bff);
  border-radius: 10px;
  color: #fff;
  font-weight: 700;
  padding: 10px 10px;
  font-size: 13px;
  margin-bottom: 10px;
  text-decoration: none;
  display: block;
  box-shadow: 0 8px 20px rgba(163, 75, 255, .35);
  transition: transform .25s ease, box-shadow .25s ease;
}
.side-promo:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(255, 75, 168, .4); }
.side-tag-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}
.side-tag {
  background: #101a40;
  border: 1px solid #2b3d7b;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 12px;
  color: #d7e2ff;
  text-align: center;
}
.side-divider { margin: 12px 0; border-top: 1px solid #21346f; }
.side-nav a {
  display: block;
  color: #c2cffd;
  text-decoration: none;
  border-radius: 10px;
  padding: 10px 12px;
  border: 1px solid transparent;
  margin-bottom: 4px;
  font-weight: 600;
  font-size: 14px;
}
.side-nav a:hover { background: #0f1d4a; border-color: #2c3f85; color: #fff; transform: translateX(3px); }
.side-caption { font-size: 12px; color: #91a6e8; margin: 0 0 8px; }
.side-apps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}
.side-apps a {
  background: #fff;
  color: #0c1533;
  border-radius: 999px;
  text-decoration: none;
  text-align: center;
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 700;
}
.side-social {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.side-social span {
  background: #0f1d4a;
  border: 1px solid #2a3d83;
  border-radius: 999px;
  text-align: center;
  font-size: 12px;
  padding: 7px 0;
  color: #d8e3ff;
  font-weight: 700;
}
.age-note { color: #ff89c4; font-size: 12px; margin-top: 12px; }
.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid #2e4388;
  background: #101c46;
  color: #d9e5ff;
  font-size: 22px;
  font-weight: 700;
  cursor: pointer;
}
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 7, 24, .62);
  z-index: 25;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
.page-content { margin-left: 248px; min-height: 100vh; position: relative; z-index: 1; }
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(6, 12, 33, 0.88);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 6px 16px rgba(2, 8, 35, .28);
}
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}
.top-18 {
  text-align: center;
  padding: 8px 12px;
  background: #121f4d;
  color: #ff9ecf;
  font-size: 13px;
  border-top: 1px solid #23397a;
}
.logo {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 1px;
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2), var(--brand-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.menu { display: flex; gap: 14px; flex-wrap: wrap; }
.menu a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  position: relative;
}
.menu a:hover { color: #fff; }
.hero {
  padding: 42px 0 30px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 24px;
  align-items: center;
}
.hero h1 { margin: 0 0 14px; line-height: 1.1; font-size: clamp(28px, 4.2vw, 46px); }
.hero p { margin: 0 0 24px; color: #c8d4ff; font-size: 18px; }
.btns { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}
.btn-main {
  background: linear-gradient(90deg, var(--brand-2), var(--brand-3));
  color: #fff;
  box-shadow: 0 10px 24px rgba(163, 75, 255, .35);
}
.btn-ghost { border-color: #4d62b0; color: #d7e2ff; }
.hero-card {
  background: linear-gradient(140deg, #0f1d49, #090f26);
  border: 1px solid #273b83;
  border-radius: 18px;
  padding: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}
.hero-card img { width: 100%; border-radius: 14px; display: block; border: 1px solid #334892; }
section { padding: 24px 0; }
.section-title { margin: 0 0 16px; font-size: clamp(22px, 3vw, 32px); }
.slots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}
.slot {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.slot:hover { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(1, 8, 35, .45); }
.slot img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
.slot .meta { padding: 12px; }
.slot h3 { margin: 0 0 8px; font-size: 17px; }
.slot p { margin: 0; color: #b5c4f8; font-size: 14px; }
.benefits {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}
.benefit {
  background: rgba(18, 29, 71, 0.75);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}
.benefit h3 { margin-top: 0; }
.seo {
  background: #070f2a;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 30px 0;
}
.seo article {
  background: rgba(16, 28, 70, .6);
  border: 1px solid #273c85;
  border-radius: 16px;
  padding: 20px;
}
.seo p { color: #ccdaff; margin: 0 0 14px; }
.faq details {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 10px;
  padding: 10px 14px;
}
.faq summary { cursor: pointer; font-weight: 700; }
.faq p { margin: 8px 0 0; color: #c8d4ff; }
.cta p { color: #c8d4ff; }
footer {
  padding: 24px 0 34px;
  color: #9fb2f1;
  text-align: center;
  border-top: 1px solid var(--line);
}
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (max-width: 920px) {
  .menu-toggle { display: inline-flex; }
  .top-bar { padding: 10px 0; gap: 10px; }
  .logo { font-size: 22px; }
  .menu {
    order: 3;
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 4px;
    gap: 12px;
  }
  .menu a { white-space: nowrap; font-size: 14px; }
  .sidebar {
    width: min(86vw, 320px);
    transform: translateX(-102%);
    transition: transform .24s ease;
    z-index: 31;
  }
  body.sidebar-open .sidebar { transform: translateX(0); }
  body.sidebar-open .sidebar-overlay { opacity: 1; pointer-events: auto; }
  .page-content { margin-left: 0; }
  .hero { grid-template-columns: 1fr; padding: 28px 0 20px; gap: 16px; }
  .hero p { font-size: 16px; }
  .btns { flex-direction: column; }
  .btn { width: 100%; text-align: center; }
  .wrap { width: min(1200px, 94%); }
  .slots { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .benefits { grid-template-columns: 1fr; }
  .reveal { opacity: 1; transform: none; transition: none; }
}
@media (max-width: 540px) {
  .slots { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(24px, 8vw, 32px); }
  .side-apps { grid-template-columns: 1fr; }
}