:root {
  color-scheme: dark;
  --background: #080f1b;
  --panel: #101e30;
  --line: #294257;
  --ink: #f1f7fd;
  --muted: #bacddd;
  --cyan: #91e6f5;
  --button: #87e0f3;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(ellipse 650px 490px at 86% 0%, #13324c 0%, transparent 85%), var(--background);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
}
a { color: inherit; }
button { font: inherit; cursor: pointer; }
img { max-width: 100%; }
p, h1, h2, h3, figure, ul, ol { margin: 0; }
p { color: var(--muted); }
p strong { color: var(--ink); }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
.frame { width: min(920px, calc(100% - 34px)); margin-inline: auto; }
.skip-link {
  position: fixed;
  z-index: 2;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  transform: translateY(-150%);
  background: var(--ink);
  color: var(--background);
}
.skip-link:focus { transform: none; }

.site-header { border-bottom: 1px solid #24435770; }
.author-strip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-block: 9px;
}
.author-photo {
  display: block;
  flex: none;
  width: 45px;
  height: 43px;
  border: 1px solid #45697e;
  border-radius: 9px;
  object-fit: cover;
  object-position: 50% 38%;
}
.author-name {
  display: grid;
  gap: 2px;
  line-height: 1.2;
}
.author-name strong { font-size: 15px; letter-spacing: -.025em; }
.author-name span { color: var(--cyan); font-size: 12px; font-weight: 620; }

.hero { padding-block: clamp(22px, 4.5vw, 42px) clamp(25px, 4vw, 35px); }
.hero h1 {
  font-size: clamp(29px, 5.55vw, 53px);
  line-height: 1.08;
  font-weight: 790;
  letter-spacing: -.05em;
  text-wrap: balance;
}
.hero h1 span { display: block; color: var(--cyan); }
.hero-lead, .hero-support { max-width: 65ch; }
.hero-lead { margin-top: 13px; }
.hero-support { margin-top: 8px; }

.purchase { width: 100%; }
.hero-purchase { max-width: 390px; margin-top: 15px; }
.price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin-bottom: 9px;
  line-height: 1.15;
}
.price span { color: var(--muted); font-size: 13px; }
.price del { text-decoration-thickness: 1px; }
.price strong {
  color: var(--cyan);
  font-size: 34px;
  font-weight: 790;
  letter-spacing: -.05em;
  white-space: nowrap;
}
.cta {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 49px;
  width: 100%;
  padding: 11px 16px;
  border-radius: 9px;
  background: var(--button);
  color: #092132;
  font-size: 16px;
  font-weight: 770;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: background-color .16s ease, box-shadow .16s ease;
}
.cta:hover { background: #afeefb; box-shadow: 0 4px 23px #67d3ed30; }

.section { padding-block: 24px; border-top: 1px solid var(--line); }
.section h2, .final-purchase h2 {
  margin-bottom: 13px;
  max-width: 35ch;
  font-size: clamp(23px, 5.7vw, 35px);
  line-height: 1.15;
  font-weight: 745;
  letter-spacing: -.038em;
  text-wrap: pretty;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}
.proof {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel);
}
.proof figcaption {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
}
.proof figcaption strong {
  color: var(--cyan);
  font-size: clamp(15px, 3.8vw, 20px);
  line-height: 1.2;
  letter-spacing: -.025em;
}
.proof figcaption span { color: var(--muted); font-size: 12px; line-height: 1.4; }
.proof-open {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: #0b121d;
  cursor: zoom-in;
}
.proof-open:focus-visible { outline-offset: -3px; }
.proof-open img {
  display: block;
  width: 100%;
  height: clamp(140px, 38vw, 228px);
  object-fit: cover;
  object-position: center 56%;
}
.proof-reach img { object-position: center 25%; }

.method-copy { max-width: 69ch; }
.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
  margin-block: 13px;
  padding: 0;
  list-style: none;
}
.flow-steps li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 9px 8px;
  border: 1px solid #31586b;
  border-radius: 9px;
  background: #11283a;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.flow-steps strong { color: var(--ink); }
.flow-steps svg, .delivery-icon {
  flex: none;
  width: 22px;
  height: 22px;
  color: var(--cyan);
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.audience-grid {
  display: grid;
  gap: 7px;
  margin-top: 15px;
  padding: 0;
  list-style: none;
}
.audience-grid li {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #0d1929;
}
.audience-grid strong { font-size: 14px; }
.audience-grid p { margin-top: 3px; font-size: 14px; line-height: 1.42; }

.delivery-grid { display: grid; gap: 8px; }
.delivery-card {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
}
.delivery-card h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 4px;
  font-size: 15px;
  line-height: 1.27;
}
.delivery-icon {
  width: 28px;
  height: 28px;
  padding: 5px;
  border-radius: 7px;
  background: #1b3549;
}
.delivery-card p { padding-left: 37px; font-size: 14px; line-height: 1.46; }
.bonus-card { border-color: #407187; background: #132a3c; }
.bonus-card h3 { color: var(--cyan); }
.bonus-card .delivery-icon { background: #234c60; }

.offer-section { padding-bottom: 24px; }
.final-purchase {
  padding: 16px;
  border: 1px solid #416a80;
  border-radius: 12px;
  background: linear-gradient(125deg, #153348, #102237);
}
.final-purchase h2 { margin-bottom: 9px; }
.final-purchase .price { margin-bottom: 7px; }
.final-purchase .price strong { font-size: 42px; }
.purchase-meta { max-width: 52ch; margin-bottom: 12px; font-size: 14px; }
.guarantee {
  margin-top: 13px;
  padding-top: 11px;
  border-top: 1px solid #34556c;
  font-size: 13px;
  line-height: 1.45;
}
.site-footer { padding-block: 12px 22px; border-top: 1px solid var(--line); }
.site-footer p { font-size: 11.5px; line-height: 1.5; }

body.higoshi-checkout-open { overflow: hidden; }
dialog {
  padding: 0;
  border: 1px solid #47728a;
  border-radius: 14px;
  background: #0c1929;
  color: var(--ink);
  box-shadow: 0 22px 70px #000a;
}
dialog::backdrop { background: #020812cc; backdrop-filter: blur(5px); }
.dialog-close {
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid #426078;
  border-radius: 8px;
  background: #20364a;
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
}
#proof-lightbox {
  width: min(calc(100% - 22px), 620px);
  max-height: calc(100dvh - 22px);
  overflow: auto;
  padding: 8px;
}
#proof-lightbox button { position: sticky; top: 0; z-index: 1; margin: 0 0 6px auto; }
#proof-lightbox img { display: block; width: 100%; height: auto; border-radius: 6px; }
#higoshi-native-checkout {
  width: min(calc(100% - 12px), 780px);
  height: min(calc(100dvh - 12px), 780px);
  max-height: calc(100dvh - 12px);
  overflow: hidden;
}
#higoshi-native-checkout[open] { display: flex; flex-direction: column; }
.higoshi-checkout-top {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 5px 9px 5px 13px;
  border-bottom: 1px solid var(--line);
  background: #14273b;
  font-size: 13px;
}
#higoshi-native-checkout iframe { display: block; width: 100%; min-height: 0; flex: 1; border: 0; }

@media (min-width: 620px) {
  .author-strip { gap: 12px; padding-block: 10px; }
  .author-photo { width: 51px; height: 49px; }
  .author-name strong { font-size: 17px; }
  .author-name span { font-size: 12.5px; }
  .hero-lead, .hero-support { font-size: 16.5px; }
  .hero-purchase { margin-top: 18px; }
  .price strong { font-size: 38px; }
  .section { padding-block: 30px; }
  .proof-grid { gap: 14px; }
  .proof figcaption { padding: 12px 14px; }
  .proof figcaption span { font-size: 14px; }
  .flow-steps { gap: 10px; }
  .flow-steps li {
    flex-direction: row;
    align-items: center;
    gap: 9px;
    padding: 12px;
    font-size: 14px;
  }
  .audience-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .audience-grid li { padding: 12px; }
  .delivery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .delivery-card { padding: 13px; }
  .offer-section { padding-bottom: 30px; }
  .final-purchase {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    grid-template-areas:
      "heading heading"
      "price button"
      "meta button"
      "guarantee guarantee";
    align-items: center;
    gap: 6px 22px;
    padding: 22px;
  }
  .final-purchase h2 { grid-area: heading; margin-bottom: 4px; }
  .final-purchase .price { grid-area: price; margin-bottom: 0; }
  .final-purchase .purchase-meta { grid-area: meta; margin-bottom: 0; }
  .final-purchase .cta { grid-area: button; }
  .final-purchase .guarantee { grid-area: guarantee; margin-top: 7px; }
}
@media (prefers-reduced-motion: reduce) {
  .cta { transition: none; }
}