:root {
  --bg: #09111f;
  --bg-soft: #111d33;
  --panel: rgba(10, 19, 35, 0.72);
  --panel-strong: rgba(12, 25, 46, 0.88);
  --line: rgba(166, 227, 255, 0.14);
  --text: #f2f7ff;
  --text-soft: #98aec9;
  --signal: #3df2c2;
  --signal-2: #52a6ff;
  --signal-3: #ff9a5f;
  --glow: rgba(61, 242, 194, 0.2);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(61, 242, 194, 0.16), transparent 24%),
    radial-gradient(circle at 80% 12%, rgba(82, 166, 255, 0.14), transparent 18%),
    radial-gradient(circle at 50% 100%, rgba(255, 154, 95, 0.08), transparent 20%),
    linear-gradient(180deg, #060c18 0%, #0a1220 48%, #09111f 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(166, 227, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(166, 227, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent 82%);
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
}

.site-header,
.section-shell,
.site-footer,
.ebook-shell {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
}

.progress-bar-shell {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  height: 3px;
  background: rgba(255, 255, 255, 0.04);
}

#scroll-progress {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--signal), var(--signal-2));
  box-shadow: 0 0 20px rgba(61, 242, 194, 0.4);
}

.site-header {
  position: sticky;
  top: 3px;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(61, 242, 194, 0.88), rgba(82, 166, 255, 0.9));
  color: #02131d;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  box-shadow: 0 18px 40px rgba(61, 242, 194, 0.24);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}

.brand-copy strong {
  font-family: "Syne", sans-serif;
  font-size: 1rem;
}

.brand-copy small,
.mini-label,
.eyebrow,
.card-label,
.section-kicker {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 800;
}

.brand-copy small,
.mini-label,
.card-label,
.section-kicker {
  color: var(--text-soft);
}

.top-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem;
  border: 1px solid rgba(166, 227, 255, 0.08);
  border-radius: 999px;
  background: rgba(8, 16, 30, 0.82);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.top-nav a {
  padding: 0.72rem 1rem;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.top-nav a:hover,
.rail-nav a:hover {
  color: var(--text);
}

.top-nav .nav-cta,
.rail-nav a.is-active {
  color: #04131d;
  background: linear-gradient(135deg, var(--signal), var(--signal-2));
}

.section-shell {
  padding: 3rem 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  min-height: calc(100vh - 94px);
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.hero h1,
.section-heading h2,
.editorial-panel h2,
.offer-copy h2,
.ebook-hero h1,
.ebook-section h2,
.rail-card h2,
.setup-card h2 {
  margin: 0;
  font-family: "Syne", sans-serif;
  letter-spacing: -0.04em;
  line-height: 0.96;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 6.4rem);
}

.hero h1 span,
.eyebrow {
  color: var(--signal);
}

.hero-lead,
.ebook-lead,
.editorial-panel p,
.offer-copy p,
.purchase-copy,
.faq-item p,
.ebook-section > p,
.setup-card p {
  max-width: 66ch;
  font-size: 1.05rem;
  line-height: 1.78;
  color: rgba(242, 247, 255, 0.92);
}

.hero-support {
  max-width: 62ch;
  margin-top: 1rem;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 2rem 0 1.4rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 54px;
  padding: 0.96rem 1.35rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--signal), var(--signal-2));
  color: #04131d;
  box-shadow: 0 16px 30px rgba(82, 166, 255, 0.25);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(166, 227, 255, 0.12);
  color: var(--text);
}

.button-block {
  width: 100%;
}

.hero-badges,
.stack-list,
.check-list,
.chapter-pills,
.channel-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-badges li,
.chapter-pills span {
  padding: 0.62rem 0.95rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(166, 227, 255, 0.12);
  font-size: 0.92rem;
}

.glass-card,
.stack-card,
.channel-card,
.purchase-card,
.rail-card,
.insight-card,
.callout-card,
.worksheet,
.timeline-card,
.setup-card,
.faq-item,
.checkout-state,
.closing-card {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-preview,
.purchase-card,
.setup-card {
  padding: 1.5rem;
  border-radius: var(--radius-xl);
}

.hero-preview {
  position: relative;
  overflow: hidden;
}

.hero-preview::after {
  content: "";
  position: absolute;
  inset: auto -10% -20% 28%;
  height: 220px;
  background: radial-gradient(circle, rgba(82, 166, 255, 0.24), transparent 68%);
  pointer-events: none;
}

.preview-cover {
  border-radius: 24px;
  border: 1px solid rgba(166, 227, 255, 0.1);
  overflow: hidden;
}

.preview-note {
  margin-top: 1.2rem;
}

.preview-note h3 {
  margin: 0.3rem 0 0;
  font-family: "Syne", sans-serif;
  font-size: 1.45rem;
  line-height: 1.08;
}

.preview-price {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.preview-price strong,
.price {
  font-family: "Syne", sans-serif;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1;
}

.preview-price span,
.purchase-note,
.faq-item p,
.channel-card p,
.editorial-stack p,
.insight-card p,
.rail-nav a,
.setup-card li,
.site-footer p {
  color: var(--text-soft);
}

.preview-metric-grid,
.chapter-grid,
.channel-grid,
.offer-list,
.insight-grid,
.copy-stack,
.two-column-grid,
.faq-grid,
.inside-grid,
.proof-band {
  display: grid;
  gap: 1rem;
}

.preview-metric-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 1.4rem;
}

.preview-metric-grid article,
.offer-list article,
.copy-stack article {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(166, 227, 255, 0.1);
}

.preview-metric-grid strong,
.offer-list strong,
.copy-stack strong,
.insight-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.2rem;
  color: var(--signal);
}

.status-band {
  padding-top: 0;
}

.checkout-state {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-radius: 18px;
}

.checkout-state strong,
.checkout-state span {
  display: block;
}

.checkout-state.is-ready {
  border-color: rgba(61, 242, 194, 0.35);
}

.checkout-state.is-pending {
  border-color: rgba(255, 154, 95, 0.32);
}

.proof-band {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.proof-card {
  padding: 1.2rem 1.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(166, 227, 255, 0.1);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03)),
    rgba(7, 14, 26, 0.82);
  box-shadow: var(--shadow);
}

.proof-card h3 {
  margin: 0.45rem 0 0;
  font-family: "Syne", sans-serif;
  font-size: 1.28rem;
  line-height: 1.18;
}

.stat-ribbon,
.setup-card {
  display: grid;
  gap: 1rem;
}

.stat-ribbon {
  grid-template-columns: repeat(3, 1fr);
}

.stat-ribbon article,
.stack-card,
.channel-card,
.faq-item,
.insight-card,
.callout-card,
.worksheet,
.timeline-card,
.rail-card,
.glass-card,
.closing-card {
  padding: 1.35rem;
  border-radius: var(--radius-lg);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 1.6rem;
}

.section-heading h2 {
  font-size: clamp(2.1rem, 4vw, 3.6rem);
}

.chapter-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.experience-split {
  display: grid;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 1.5rem;
  align-items: start;
}

.editorial-stack {
  display: grid;
  gap: 1rem;
}

.accent-card {
  background:
    radial-gradient(circle at top right, rgba(61, 242, 194, 0.14), transparent 34%),
    var(--panel-strong);
}

.channel-grid,
.offer-list,
.faq-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.inside-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mock-card {
  grid-column: span 2;
}

.offer-band {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 1.5rem;
  align-items: start;
}

.offer-list {
  margin-top: 1.4rem;
}

.purchase-card {
  position: sticky;
  top: 104px;
}

.purchase-points {
  display: grid;
  gap: 0.55rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.purchase-points li {
  padding-left: 1.15rem;
  position: relative;
  color: var(--text-soft);
}

.purchase-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: var(--signal);
  box-shadow: 0 0 14px rgba(61, 242, 194, 0.34);
}

.number-list {
  display: grid;
  gap: 0.7rem;
  padding-left: 1.3rem;
  margin: 1.2rem 0 0;
}

.timeline-card {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.7rem;
}

.timeline-card div {
  padding: 0.9rem 0.7rem;
  border-radius: 14px;
  text-align: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(166, 227, 255, 0.1);
}

.ebook-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 1.5rem;
  padding: 1rem 0 4rem;
}

.ebook-rail {
  position: sticky;
  top: 104px;
  align-self: start;
}

.rail-nav {
  display: grid;
  gap: 0.45rem;
  margin-top: 1rem;
}

.rail-nav a {
  padding: 0.8rem 0.9rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
}

.ebook-main {
  display: grid;
  gap: 1.2rem;
}

.ebook-hero,
.ebook-section {
  padding: 1.6rem;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: rgba(8, 17, 31, 0.76);
  box-shadow: var(--shadow);
}

.ebook-hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.9rem);
}

.ebook-section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 0.8rem;
}

.section-kicker {
  margin-bottom: 0.8rem;
}

.code-block {
  overflow-x: auto;
  padding: 1.15rem;
  border-radius: 18px;
  background: rgba(2, 8, 16, 0.92);
  border: 1px solid rgba(166, 227, 255, 0.08);
  color: #c9f4ff;
}

.code-block code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.94rem;
  line-height: 1.65;
}

.palette-board {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.palette-board span {
  padding: 1rem;
  min-width: 180px;
  border-radius: 16px;
  color: #02131d;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 2.2rem 0 3rem;
  border-top: 1px solid rgba(166, 227, 255, 0.1);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero,
  .experience-split,
  .offer-band,
  .ebook-shell {
    grid-template-columns: 1fr;
  }

  .chapter-grid,
  .channel-grid,
  .offer-list,
  .faq-grid,
  .stat-ribbon,
  .proof-band,
  .inside-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ebook-rail,
  .purchase-card {
    position: static;
  }

  .timeline-card {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .mock-card {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  .site-header,
  .top-nav,
  .hero-actions,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .top-nav {
    border-radius: 24px;
  }

  .top-nav a,
  .button {
    width: 100%;
  }

  .chapter-grid,
  .channel-grid,
  .offer-list,
  .faq-grid,
  .preview-metric-grid,
  .two-column-grid,
  .copy-stack,
  .stat-ribbon,
  .timeline-card,
  .proof-band,
  .inside-grid {
    grid-template-columns: 1fr;
  }

  .site-header,
  .section-shell,
  .site-footer,
  .ebook-shell {
    width: min(calc(100% - 1.2rem), var(--max-width));
  }

  .hero {
    min-height: auto;
    padding-top: 1rem;
  }

  .hero h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  .ebook-hero,
  .ebook-section,
  .purchase-card,
  .hero-preview,
  .setup-card {
    padding: 1.2rem;
  }

  .mock-card {
    grid-column: span 1;
  }
}