* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}


:root {
  
  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;

  
  --surface-base: #0b1220;
  --surface-raised: #111a2e;
  --surface-alt: #0e1626;
  --surface-card: #16213a;
  --surface-overlay: rgba(4, 8, 16, 0.72);

  
  --text-primary: #e6edf3;
  --text-secondary: #97a3b6;
  --text-muted: #67748c;
  --text-on-accent: #ffffff;

  
  --action-primary: #3b82f6;
  --action-hover: #60a5fa;
  --action-disabled: #33415580;

  
  --border-color: rgba(230, 237, 243, 0.09);
  --radius-sm: 0.5em;
  --radius: 0.85em;
  --radius-lg: 1.25em;
  --shadow-card: 0 0.6em 2em rgba(2, 6, 16, 0.45);
  --shadow-pop: 0 0.9em 2.6em rgba(2, 6, 16, 0.55);

  
  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'Courier New', monospace;

  
  --gap-xs: 0.5em;
  --gap-sm: 1em;
  --gap-md: 1.6em;
  --gap-lg: 2.6em;
  --gap-xl: 4.2em;
}


body {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.7;
  background: var(--surface-base);
  color: var(--text-primary);
  font-size: 1em;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}
h1 { font-size: 3rem; line-height: 1.12; }
h2 { font-size: 2.1rem; line-height: 1.2; }
h3 { font-size: 1.4rem; line-height: 1.3; }
p { font-size: 1rem; line-height: 1.7; color: var(--text-secondary); }
a { color: inherit; text-decoration: none; }
.Mono { font-family: var(--font-mono); }


.Container {
  width: 100%;
  max-width: 71.25em; 
  margin: 0 auto;
  padding: 0 1.25em;
}


.Band {
  padding: var(--gap-xl) 0;
  position: relative;
}
.Band--alt { background: var(--surface-alt); }
.Band--raised { background: var(--surface-raised); }
.Band-header { max-width: 40em; margin: 0 0 var(--gap-lg); }
.Band-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.6em;
}
.Band-lead { font-size: 1.1rem; margin-top: 0.6em; }


.Seam {
  height: 3.75em;
  background-image: radial-gradient(currentColor 0.09375em, transparent 0.09375em);
  background-size: 1.125em 1.125em;
  color: var(--border-color);
  opacity: .8;
}


.Header {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(11, 18, 32, 0.86);
  backdrop-filter: blur(0.6em);
  border-bottom: 1px solid var(--border-color);
}
.Header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2em;
  padding: 1em 0;
}
.Header-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65em;
}
.Header-mark { width: 2.1em; height: 2.1em; flex-shrink: 0; }
.Header-word {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
}
.Header-phone {
  display: none;
}
.Header-toggle {
  margin-left: auto;
}


.Masthead {
  background: #0d1117;
  color: var(--text-primary);
  padding: 3.5em 0 var(--gap-xl);
  font-family: var(--font-mono);
  position: relative;
  overflow: hidden;
}
.Masthead::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 45% at 82% 8%, rgba(59, 130, 246, 0.16), transparent 70%),
    radial-gradient(45% 35% at 10% 90%, rgba(96, 165, 250, 0.1), transparent 70%);
  pointer-events: none;
}
.Masthead-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-lg);
  align-items: start;
}
.Masthead-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #7ee787;
  margin-bottom: 1.1em;
}
.Masthead-eyebrow::before {
  content: '';
  width: 0.5em;
  height: 0.5em;
  border-radius: 50%;
  background: #3fb950;
  display: inline-block;
}
.Masthead-title {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: #e6edf3;
}
.Masthead-title strong { color: #7ee787; font-weight: 500; }
.Masthead-cursor {
  display: inline-block;
  width: 0.55ch;
  margin-left: 0.1ch;
  background: #7ee787;
  animation: mastheadBlink 1s steps(2) infinite;
}
@keyframes mastheadBlink { 50% { opacity: 0; } }
.Masthead-sub {
  font-family: var(--font-display);
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 34em;
  margin-top: 1.2em;
}
.Masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1em;
  margin-top: 1.8em;
  align-items: center;
}
.Masthead-price {
  font-family: var(--font-display);
}
.Masthead-priceNow { font-size: 1.6rem; font-weight: 700; color: #ffffff; }
.Masthead-priceOld {
  font-size: 1rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 0.5em;
}
.Masthead-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7em;
  margin-top: 1.6em;
}
.Masthead-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: #c9d1d9;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5em 0.9em;
}


.Masthead-term {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 0.75em;
  padding: 1.6em;
  max-width: 34em;
  box-shadow: var(--shadow-pop);
}
.Masthead-termHead {
  display: flex;
  gap: 0.45em;
  margin-bottom: 1em;
}
.Masthead-termDot { width: 0.7em; height: 0.7em; border-radius: 50%; background: #484f58; }
.Masthead-termDot:nth-child(1) { background: #ff5f56; }
.Masthead-termDot:nth-child(2) { background: #ffbd2e; }
.Masthead-termDot:nth-child(3) { background: #27c93f; }
.Masthead-termLine { font-size: 0.86rem; color: #8b949e; margin-bottom: 0.55em; }
.Masthead-termLine span { color: #7ee787; }
.Masthead-termLine b { color: #e6edf3; font-weight: 500; }


.Brief-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-md);
}
.Brief-step {
  padding: 1.4em 0;
  border-top: 1px solid var(--border-color);
}
.Brief-step:first-child { border-top: none; }
.Brief-num {
  font-family: var(--font-mono);
  color: var(--primary);
  font-size: 0.85rem;
  margin-bottom: 0.4em;
  display: block;
}
.Brief-step p { color: var(--text-secondary); font-size: 1.05rem; }
.Brief-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: var(--gap-md);
  box-shadow: var(--shadow-card);
}
.Brief-image img { width: 100%; object-fit: cover; }


.TheUpside-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18.75em, 1fr));
  gap: 2em;
}
.TheUpside-card {
  position: relative;
  margin-top: 0.9em;
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2em 1.6em 1.6em;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.TheUpside-card:hover {
  transform: translateY(-0.35em);
  box-shadow: var(--shadow-pop);
}
.TheUpside-badge {
  position: absolute;
  top: -0.9em;
  left: 1.6em;
  background: var(--primary);
  color: #fff;
  padding: 0.3em 0.9em;
  border-radius: 999px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}
.TheUpside-card h3 { margin: 0.6em 0 0.5em; font-size: 1.15rem; }
.TheUpside-card p { font-size: 0.95rem; }


.TheFormula-intro {
  columns: 1;
  column-gap: 2em;
}
.TheFormula-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15em, 1fr));
  gap: var(--gap-sm);
  margin-top: var(--gap-md);
}
.TheFormula-item {
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.3em 1.4em;
  background: var(--surface-raised);
}
.TheFormula-item b {
  display: block;
  font-family: var(--font-mono);
  color: var(--primary);
  font-size: 0.95rem;
  margin-bottom: 0.4em;
}
.TheFormula-item p { font-size: 0.92rem; margin: 0; }
.TheFormula-fact {
  margin-top: var(--gap-md);
  display: flex;
  flex-wrap: wrap;
  gap: 1.4em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: 1.4em;
}
.TheFormula-fact strong { color: var(--text-primary); display: block; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.25em; }


.ThePromise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15em, 1fr));
  gap: var(--gap-sm);
}
.ThePromise-item {
  display: flex;
  gap: 0.9em;
  align-items: flex-start;
  padding: 1.3em;
  border-radius: var(--radius);
  background: var(--surface-alt);
}
.ThePromise-icon {
  flex-shrink: 0;
  width: 2.1em;
  height: 2.1em;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.15);
  color: var(--primary);
  display: grid;
  place-items: center;
}
.ThePromise-item h3 { font-size: 1rem; margin-bottom: 0.3em; }
.ThePromise-item p { font-size: 0.92rem; margin: 0; }


.FieldNotes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-md);
  counter-reset: fieldnote;
}
.FieldNotes-step {
  position: relative;
  padding-left: 3.2em;
}
.FieldNotes-step::before {
  counter-increment: fieldnote;
  content: counter(fieldnote);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.3em;
  height: 2.3em;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
}
.FieldNotes-step h3 { font-size: 1.05rem; margin-bottom: 0.3em; }
.FieldNotes-step p { margin: 0; }


.Correspondence {
  background: linear-gradient(135deg, var(--surface-raised), var(--surface-alt));
  border-radius: var(--radius-lg);
  padding: var(--gap-lg);
  text-align: center;
  border: 1px solid var(--border-color);
}
.Correspondence h2 { margin-bottom: 0.5em; }
.Correspondence p { max-width: 34em; margin: 0 auto var(--gap-md); }
.Correspondence-meta {
  margin-top: 1.4em;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}


.Button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  background: var(--action-primary);
  color: #fff;
  border: none;
  border-radius: 0.6em;
  padding: 0.9em 1.8em;
  font-weight: 600;
  font-size: 1rem;
  font-family: var(--font-display);
  cursor: pointer;
  transition: 0.2s ease;
}
.Button:hover { filter: brightness(0.92); background: var(--action-hover); }
.Button--ghost {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.Button--ghost:hover { background: rgba(255, 255, 255, 0.06); filter: none; }
.Button--block { width: 100%; }


.OrderBar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 600;
  background: rgba(13, 17, 23, 0.96);
  border-top: 1px solid var(--border-color);
  backdrop-filter: blur(0.5em);
  transform: translateY(100%);
  transition: transform 0.35s ease;
}
.OrderBar.is-visible { transform: translateY(0); }
.OrderBar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  padding: 0.9em 0;
}
.OrderBar-text { font-family: var(--font-mono); font-size: 0.86rem; color: var(--text-secondary); }
.OrderBar-text b { color: #fff; }


body { padding-bottom: 5.5em; }


.OrderForm-overlay {
  position: fixed;
  inset: 0;
  background: var(--surface-overlay);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}
.OrderForm-overlay.is-open { opacity: 1; visibility: visible; }
.OrderForm {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -46%);
  width: 92%;
  max-width: 28em;
  background: var(--surface-raised);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2em;
  z-index: 901;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  box-shadow: var(--shadow-pop);
}
.OrderForm.is-open { opacity: 1; visibility: visible; transform: translate(-50%, -50%); }
.OrderForm-close {
  position: absolute;
  top: 1em;
  right: 1em;
  width: 2.75em;
  height: 2.75em;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  font-size: 1.2rem;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.OrderForm h2 { font-size: 1.4rem; margin-bottom: 0.3em; }
.OrderForm-sub { font-size: 0.92rem; margin-bottom: 1.4em; }
.OrderForm-group { margin-bottom: 1.1em; }
.OrderForm-label { display: block; font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.4em; }
.OrderForm-input {
  width: 100%;
  padding: 0.85em 1em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--surface-base);
  color: var(--text-primary);
  font-size: 1rem;
  font-family: var(--font-display);
}
.OrderForm-input:focus { outline: 2px solid var(--primary); outline-offset: 0.1em; }
.OrderForm-consent {
  display: flex;
  gap: 0.6em;
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 1.3em;
}
.OrderForm-consent input { margin-top: 0.25em; width: 1.1em; height: 1.1em; flex-shrink: 0; }
.OrderForm-consent a { color: var(--primary); text-decoration: underline; }
.OrderForm-note { font-size: 0.78rem; color: var(--text-muted); margin-top: 1em; text-align: center; }
.OrderForm-success, .OrderForm-error {
  border-radius: var(--radius-sm);
  padding: 0.9em 1em;
  font-size: 0.88rem;
  margin-bottom: 1em;
}
.OrderForm-success { background: rgba(34, 197, 94, 0.12); color: #86efac; border: 1px solid rgba(34,197,94,.3); }
.OrderForm-error { background: rgba(239, 68, 68, 0.12); color: #fca5a5; border: 1px solid rgba(239,68,68,.3); }


.ReaderQuestions-list { max-width: 48em; margin: 0 auto; }
.ReaderQuestions-item {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.6em 1.8em;
  box-shadow: var(--shadow-card);
  margin-bottom: 1.1em;
  max-width: 42em;
}
.ReaderQuestions-item:nth-child(even) { margin-left: auto; }
.ReaderQuestions-item:nth-child(odd) { margin-right: auto; }
.ReaderQuestions-item h3 { font-size: 1.02rem; margin-bottom: 0.5em; }
.ReaderQuestions-item p { font-size: 0.92rem; margin: 0; }


.Colophon {
  text-align: center;
  background: #070b14;
  color: var(--text-secondary);
  padding: var(--gap-xl) 0 var(--gap-lg);
  border-top: 1px solid var(--border-color);
}
.Colophon-word {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
  font-size: 1.1rem;
}
.Colophon-tagline { max-width: 30em; margin: 0.8em auto 0; font-size: 0.92rem; }
.Colophon-contacts {
  display: flex;
  gap: 1em;
  justify-content: center;
  margin: 1.6em 0;
}
.Colophon-contacts a {
  width: 2.9em;
  height: 2.9em;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #131a29;
  color: var(--text-primary);
  transition: background 0.2s ease;
}
.Colophon-contacts a:hover { background: var(--primary); }
.Colophon-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4em 1.2em;
  font-size: 0.85rem;
  margin-bottom: 1.2em;
}
.Colophon-nav a { color: var(--text-secondary); }
.Colophon-nav a:hover { color: var(--text-primary); }
.Colophon-disclaimer {
  max-width: 40em;
  margin: 0 auto 1.2em;
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.Colophon-copy { font-size: 0.78rem; color: var(--text-muted); }


.Page-hero { padding: var(--gap-lg) 0 var(--gap-md); border-bottom: 1px solid var(--border-color); }
.Page-hero h1 { font-size: 2.2rem; }
.Page-hero p { margin-top: 0.6em; }
.Page-body { padding: var(--gap-lg) 0 var(--gap-xl); max-width: 46em; }
.Page-body h2 { font-size: 1.3rem; margin: 1.6em 0 0.6em; }
.Page-body p, .Page-body li { color: var(--text-secondary); margin-bottom: 0.9em; }
.Page-body ul { padding-left: 1.4em; }
.Page-body a { color: var(--primary); text-decoration: underline; }
.Page-back { display: inline-block; margin-top: 1em; font-size: 0.88rem; color: var(--primary); }


@media (max-width: 768px) {
  section, .Band, .Masthead {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .Header, .Colophon { min-height: 0; display: block; }
}


@media (min-width: 48em) { 
  .Masthead-grid { grid-template-columns: 1.05fr 0.95fr; align-items: center; }
  .Brief-grid { grid-template-columns: 1fr 1fr; align-items: center; }
  .Brief-image { margin-top: 0; }
  .Header-phone { display: inline-flex; align-items: center; gap: 0.4em; font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-secondary); }
  h1 { font-size: 3.4rem; }
}
@media (min-width: 64em) { 
  .Container { padding: 0 2em; }
  .TheFormula-intro { columns: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .Masthead-cursor { animation: none; }
  .TheUpside-card, .Button, .OrderBar, .OrderForm, .OrderForm-overlay { transition: none; }
}