:root {
  color-scheme: dark;
  --bg: #080b12;
  --bg-2: #0d1422;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.13);
  --line: rgba(255, 255, 255, 0.18);
  --text: #f7f8fb;
  --muted: #aab5c7;
  --accent: #51f0c7;
  --accent-2: #7c8dff;
  --danger: #ff6f91;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --container: min(1180px, calc(100vw - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 8%, rgba(81, 240, 199, 0.16), transparent 28rem),
    radial-gradient(circle at 88% 20%, rgba(124, 141, 255, 0.20), transparent 30rem),
    linear-gradient(135deg, var(--bg), #10131d 48%, #0a1620);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
p { color: var(--muted); font-size: 17px; line-height: 1.7; margin: 0; }
h1, h2, h3 { margin: 0; line-height: 1.02; font-weight: 760; letter-spacing: 0; }
h1 { font-size: clamp(52px, 9vw, 132px); }
h2 { font-size: clamp(32px, 5vw, 72px); }
h3 { font-size: 22px; line-height: 1.15; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--accent);
  color: #04100d;
}
.skip-link:focus { left: 12px; }
.private_key { display: none; }

.site-header {
  position: fixed;
  left: 50%;
  top: 18px;
  z-index: 10;
  width: var(--container);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(8, 11, 18, 0.72);
  box-shadow: 0 18px 60px rgba(0,0,0,.28);
  backdrop-filter: blur(18px);
}

.brand, .nav-links, .site-footer nav {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand { font-weight: 800; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  color: #04100d;
  background: linear-gradient(135deg, var(--accent), #d8fff4);
}
.nav-links a, .site-footer a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}
.nav-links a:hover, .site-footer a:hover { color: var(--text); }
.header-buy {
  padding: 12px 18px;
  border-radius: 8px;
  background: var(--text);
  color: #080b12;
  font-size: 14px;
  font-weight: 800;
}

.hero {
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 116px 0 52px;
}
.hero-grid {
  width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, .98fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
}
.trust-line, .section-heading span, .story-card span, .buy-panel span, .video-band span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.hero-lead {
  max-width: 760px;
  margin-top: 24px;
  font-size: clamp(19px, 2vw, 26px);
  color: #d7deea;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 850;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  border-color: transparent;
  color: #04100d;
  background: linear-gradient(135deg, var(--accent), #b7fff0);
  box-shadow: 0 16px 48px rgba(81, 240, 199, .20);
}
.btn.ghost {
  color: var(--text);
  background: rgba(255, 255, 255, .06);
  backdrop-filter: blur(12px);
}
.btn.wide { width: 100%; }

.proof-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.proof-strip span {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #d9e2ef;
  background: rgba(255,255,255,.06);
  font-size: 13px;
  font-weight: 720;
}

.hero-visual {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}
.hero-visual img {
  position: relative;
  z-index: 1;
  width: min(580px, 100%);
  filter: drop-shadow(0 35px 70px rgba(0,0,0,.55));
  animation: floatBook 7s ease-in-out infinite;
}
.glass-orbit {
  position: absolute;
  inset: 9% 3% 4%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.12), rgba(255,255,255,.03)),
    radial-gradient(circle at 30% 20%, rgba(81, 240, 199, .24), transparent 44%),
    radial-gradient(circle at 72% 76%, rgba(124, 141, 255, .24), transparent 42%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  transform: rotate(-3deg);
}
@keyframes floatBook {
  0%, 100% { transform: translateY(0) rotate(1deg); }
  50% { transform: translateY(-18px) rotate(-1deg); }
}

.section {
  width: var(--container);
  margin: 0 auto;
  padding: 88px 0;
}
.section-heading {
  display: grid;
  gap: 14px;
  max-width: 920px;
  margin-bottom: 34px;
}
.feature-grid, .review-grid, .faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature-grid article, .review-grid figure, .checkout-card, .media-card, .story-card, .faq details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 18px 60px rgba(0,0,0,.18);
  backdrop-filter: blur(18px);
}
.feature-grid article {
  min-height: 270px;
  padding: 28px;
}
.feature-grid p, .review-grid blockquote, .faq p { margin-top: 16px; }
.icon-dot {
  display: block;
  width: 38px;
  height: 38px;
  margin-bottom: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 30px rgba(81,240,199,.22);
}

.split {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 18px;
  align-items: stretch;
}
.media-card {
  display: grid;
  place-items: center;
  padding: 32px;
  background: linear-gradient(145deg, rgba(255,255,255,.08), rgba(81,240,199,.08));
}
.media-card img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: contain;
  object-position: center;
  border-radius: 8px;
  filter: drop-shadow(0 26px 60px rgba(0,0,0,.45));
}
.story-card { padding: clamp(28px, 5vw, 58px); }
.story-card h2, .buy-panel h2, .video-band h2 { margin-top: 12px; }
.story-card p, .buy-panel p, .video-band p { margin-top: 20px; }
.clean-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.clean-list li {
  padding-left: 24px;
  color: #dce4f2;
  position: relative;
}
.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.reviews { padding-top: 112px; }
.review-grid figure {
  margin: 0;
  padding: 28px;
}
.review-grid blockquote {
  color: #e8edf6;
  font-size: 18px;
  line-height: 1.65;
}
.review-grid figcaption {
  margin-top: 24px;
  color: var(--accent);
  font-weight: 820;
}

.video-band, .buy-panel {
  display: grid;
  grid-template-columns: 1fr .82fr;
  gap: 24px;
  align-items: center;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(124,141,255,.12), rgba(255,255,255,.06)),
    rgba(255,255,255,.05);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}
.video-preview {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: #05070c;
}
.video-preview img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: .86;
}
.video-preview a {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: #04100d;
  font-weight: 900;
}

.buy-section { padding-top: 48px; }
.buy-panel { grid-template-columns: 1fr 420px; }
.checkout-card {
  padding: 22px;
  background: rgba(8, 11, 18, .68);
}
.price-line {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.price-line span { color: #dce4f2; font-weight: 750; }
.price-line strong { color: var(--accent); font-size: 30px; white-space: nowrap; }
label {
  display: block;
  margin-top: 20px;
  margin-bottom: 8px;
  color: #dce4f2;
  font-size: 14px;
  font-weight: 800;
}
input {
  width: 100%;
  min-height: 52px;
  margin-bottom: 12px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  background: rgba(255,255,255,.08);
  color: var(--text);
  font: inherit;
}
input:focus { border-color: var(--accent); }
.return_msg .alert {
  margin: 0 0 12px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,.12);
}
.alert-danger { background: rgba(255,111,145,.14); color: #ffd8e1; }
.alert-success { background: rgba(81,240,199,.14); color: #d7fff7; }
.microcopy {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.5;
}

.faq-grid {
  grid-template-columns: repeat(2, 1fr);
}
.faq details { padding: 22px; }
.faq summary {
  cursor: pointer;
  color: #eef3fb;
  font-size: 18px;
  font-weight: 820;
}

.site-footer {
  width: var(--container);
  margin: 0 auto;
  padding: 36px 0 48px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
}
.site-footer p { margin-top: 8px; font-size: 14px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

@media (max-width: 920px) {
  :root { --container: min(100vw - 28px, 720px); }
  .site-header { top: 10px; }
  .nav-links { display: none; }
  .hero { padding-top: 96px; }
  .hero-grid, .split, .video-band, .buy-panel {
    grid-template-columns: 1fr;
  }
  .hero-visual { min-height: 380px; }
  .feature-grid, .review-grid, .faq-grid {
    grid-template-columns: 1fr;
  }
  .section { padding: 58px 0; }
  .site-footer { flex-direction: column; }
}

@media (max-width: 560px) {
  h1 { font-size: 54px; }
  h2 { font-size: 34px; }
  p { font-size: 16px; }
  .brand span:last-child { display: none; }
  .header-buy { padding: 11px 12px; }
  .hero-actions .btn { width: 100%; }
  .proof-strip span { width: 100%; }
  .feature-grid article { min-height: 0; }
  .buy-panel, .video-band, .story-card, .checkout-card { padding: 22px; }
  .site-footer nav { align-items: flex-start; flex-direction: column; }
}