:root {
  --bg: #ffffff;
  --ink: #0a0a0a;
  --ink-muted: #4a4a4a;
  --red: #bf0909;
  --rule: #0a0a0a;
  --rule-subtle: #d8d8d8;
  --surface-subtle: #f6f6f6;
  --panel-black: #0a0a0a;
  --panel-ink: #ffffff;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-wordmark: "Source Code Pro", "JetBrains Mono", monospace;
  --gutter: clamp(32px, 4.6vw, 64px);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.15s ease, background-color 0.15s ease;
}

a:hover,
a:focus-visible {
  color: var(--red);
}

p,
ul,
ol,
blockquote,
details {
  margin-top: 0;
  margin-bottom: 16px;
}

blockquote {
  margin-left: 0;
  margin-right: 0;
  padding-left: 16px;
  border-left: 2px solid var(--red);
}

.wrap {
  max-width: 1320px;
  margin: 0 auto;
  padding: 32px var(--gutter) 96px;
}

/* 8-Column Structural Grid */
.hero-grid,
.lab-section {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  column-gap: 24px;
}

/* HERO SECTION */
.hero-grid {
  padding-bottom: 48px;
  border-bottom: 2px solid var(--rule);
  align-items: start;
}

.hero-left {
  grid-column: 1 / 6;
  padding-right: 16px;
}

.breadcrumbs {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  margin-bottom: 24px;
}

.breadcrumbs a {
  color: var(--ink);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--red);
}

.breadcrumbs span {
  margin: 0 8px;
  color: var(--red);
}

.intro-title .num {
  font-family: var(--font-wordmark);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--red);
  margin-bottom: 12px;
}

.intro-title h1 {
  font-size: 44px;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.enrollment-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
  background-color: var(--bg);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--red);
  padding: 6px 12px;
  margin-bottom: 24px;
}

.enrollment-status::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--red);
}

.intro-title blockquote {
  font-size: 18px;
  line-height: 1.55;
  padding: 16px 0 16px 20px;
  border-left: 3px solid var(--red);
  margin-bottom: 28px;
}

.intro-title blockquote p {
  margin-bottom: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.cta-button {
  display: inline-block;
  background-color: var(--ink);
  color: var(--panel-ink);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  box-shadow: 4px 4px 0 var(--red);
  transition: transform 0.12s ease, box-shadow 0.12s ease, color 0.12s ease, background-color 0.12s ease;
}

.cta-button:hover,
.cta-button:focus-visible {
  color: var(--panel-ink);
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--red);
}

.cta-button--ghost {
  background-color: var(--bg);
  color: var(--ink);
}

.cta-button--ghost:hover,
.cta-button--ghost:focus-visible {
  background-color: var(--ink);
  color: var(--panel-ink);
}

/* HERO RIGHT PANEL: RESEARCH PROCESS DIAGRAM */
.hero-panel {
  grid-column: 6 / 9;
  background-color: var(--panel-black);
  color: var(--panel-ink);
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 var(--red);
  padding: 20px;
}

.hero-panel__meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid #333333;
  font-size: 12px;
}

.hero-panel__meta p {
  margin: 0;
}

.hero-panel__status {
  color: var(--red);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

.process-diagram {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: process-step;
  position: relative;
}

.process-node {
  position: relative;
  padding-left: 28px;
  padding-bottom: 14px;
  border-left: 1px solid #444444;
  margin-left: 8px;
}

.process-node:last-child {
  padding-bottom: 0;
  border-left-color: var(--red);
}

.process-node::before {
  counter-increment: process-step;
  content: "0" counter(process-step);
  position: absolute;
  left: -10px;
  top: 0;
  background-color: var(--panel-black);
  color: var(--red);
  border: 1px solid var(--red);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  padding: 2px 4px;
}

.process-node--final::before {
  background-color: var(--red);
  color: var(--panel-ink);
}

.process-node__link {
  display: block;
  color: var(--panel-ink);
  text-decoration: none;
  padding: 6px 8px;
  border: 1px solid #262626;
  background-color: #121212;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.process-node__link:hover,
.process-node__link:focus-visible {
  color: var(--panel-ink);
  border-color: var(--red);
  background-color: #191919;
}

.process-node__title {
  display: block;
  font-size: 12px;
  line-height: 1.4;
  margin-bottom: 6px;
}

.process-node__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.process-node__tags span {
  font-size: 11px;
  line-height: 1.2;
  color: #cccccc;
  border: 1px solid #333333;
  padding: 2px 5px;
}

/* SECONDARY NAVIGATION (COMPACT DESKTOP BAR / MOBILE DISCLOSURE) */
.legal-layout {
  display: block;
}

.document-toc {
  position: sticky;
  top: 0;
  z-index: 20;
  background-color: var(--bg);
  border-bottom: 1px solid var(--rule);
  padding: 12px 0;
  margin-bottom: 16px;
}

.document-toc details {
  margin: 0;
}

.document-toc summary {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--red);
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.document-toc summary::-webkit-details-marker {
  display: none;
}

.document-toc summary::before {
  content: "[";
  color: var(--ink);
}

.document-toc summary::after {
  content: "]";
  color: var(--ink);
}

.document-toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  counter-reset: toc-item;
}

.document-toc li {
  counter-increment: toc-item;
  font-size: 12px;
  line-height: 1.4;
}

.document-toc li a {
  display: inline-block;
  text-decoration: none;
  padding: 3px 6px;
  border: 1px solid transparent;
  color: var(--ink);
}

.document-toc li a::before {
  content: counter(toc-item, decimal-leading-zero) " ";
  color: var(--red);
  font-size: 11px;
  font-weight: 700;
}

.document-toc li a:hover,
.document-toc li a:focus-visible,
.document-toc li a.is-active {
  border-color: var(--ink);
  background-color: var(--surface-subtle);
  color: var(--ink);
}

.document-toc li a.is-active {
  border-left: 3px solid var(--red);
}

/* EDITORIAL SECTIONS (8-COLUMN GRID) */
.lab-section {
  padding: 48px 0;
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: 96px;
}

.section-header {
  grid-column: 1 / 3;
  padding-right: 16px;
}

.section-header h2 {
  font-size: 24px;
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 12px;
  text-transform: lowercase;
}

.lab-section::before {
  display: none;
}

.lab-section .section-header::before {
  content: attr(data-section-num);
}

.lab-section[data-section-num] .section-header h2::before {
  content: attr(data-num);
}

.lab-section .section-header {
  position: relative;
}

.lab-section .section-header h2::before {
  content: "";
}

.lab-section[data-section-num]::before {
  display: block;
  content: attr(data-section-num);
  grid-column: 1 / 3;
  font-size: 13px;
  font-weight: 700;
  color: var(--red);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.section-body {
  grid-column: 3 / 9;
}

.prose-lead {
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.prose-lead p {
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 8px;
}

.section-outro {
  margin-top: 24px;
  padding: 16px 20px;
  border-left: 3px solid var(--ink);
  background-color: var(--surface-subtle);
  font-size: 16px;
}

/* AUDIENCE & ROLES */
.audience-roles h3 {
  font-size: 18px;
  margin: 24px 0 16px;
  text-transform: lowercase;
}

.grid-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.grid-cards--roles {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cards--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.grid-cards > li {
  border: 1px solid var(--rule);
  padding: 16px;
  background-color: var(--bg);
  font-size: 14px;
  line-height: 1.55;
  position: relative;
}

.grid-cards > li strong {
  color: var(--ink);
  border-bottom: 1px solid var(--red);
}

/* PROBLEMS NUMBERED LIST */
.numbered-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: problem-counter;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.numbered-list > li {
  counter-increment: problem-counter;
  border: 1px solid var(--rule);
  padding: 16px 16px 16px 48px;
  position: relative;
  font-size: 14px;
  line-height: 1.55;
}

.numbered-list > li::before {
  content: "0" counter(problem-counter);
  position: absolute;
  left: 14px;
  top: 16px;
  font-size: 12px;
  font-weight: 700;
  color: var(--red);
}

/* SKILLS ENDORSEMENT */
.featured-endorsement {
  margin-top: 24px;
  border: 1px solid var(--rule);
  padding: 20px;
  background-color: var(--surface-subtle);
  box-shadow: 4px 4px 0 var(--ink);
}

.endorsement-author {
  font-size: 13px;
  font-weight: 700;
  white-space: pre-line;
  color: var(--red);
  margin-bottom: 12px;
}

.featured-endorsement blockquote {
  margin: 0;
  font-size: 14px;
  border-left: 2px solid var(--ink);
}

.featured-endorsement blockquote p {
  margin: 0;
}

/* FORMAT & FAQ DISCLOSURES */
.format-duration {
  font-size: 13px;
  border-left: 3px solid var(--red);
  padding-left: 10px;
  margin-top: 12px;
}

.disclosure-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.disclosure-stack details {
  border: 1px solid var(--rule);
  background-color: var(--bg);
  margin: 0;
}

.disclosure-stack details[open] {
  box-shadow: 4px 4px 0 var(--red);
}

.disclosure-stack summary {
  padding: 14px 16px;
  font-size: 14px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
}

.disclosure-stack summary::-webkit-details-marker {
  display: none;
}

.disclosure-stack summary::after {
  content: "+";
  font-size: 16px;
  font-weight: 700;
  color: var(--red);
  flex-shrink: 0;
}

.disclosure-stack details[open] > summary {
  border-bottom: 1px solid var(--rule-subtle);
  background-color: var(--surface-subtle);
}

.disclosure-stack details[open] > summary::after {
  content: "−";
}

.disclosure-stack details > p,
.disclosure-stack details > ul,
.disclosure-stack details > ol {
  padding: 16px 20px 4px;
  font-size: 14px;
  margin-bottom: 12px;
}

.schedule-note {
  margin-top: 16px;
  font-size: 13px;
}

/* EXPERTS (2 LEADS + 2 GUESTS + ORIGIN STORY) */
.experts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.expert-card {
  border: 1px solid var(--rule);
  padding: 20px;
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
}

.expert-card--lead {
  border-top: 4px solid var(--ink);
  box-shadow: 4px 4px 0 var(--red);
}

.expert-card--guest {
  border-top: 4px solid var(--red);
}

.expert-card h3:empty {
  display: none;
}

.expert-card h3 {
  font-size: 18px;
  margin: 0 0 8px;
}

.expert-link {
  font-size: 12px;
  margin-bottom: 12px;
}

.expert-date {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  color: var(--red);
  border: 1px solid var(--red);
  padding: 2px 8px;
  margin-bottom: 12px;
}

.expert-card blockquote {
  font-size: 14px;
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--red);
}

.expert-card p {
  font-size: 14px;
}

.expert-card details {
  margin-top: auto;
  margin-bottom: 0;
  border-top: 1px solid var(--rule-subtle);
  padding-top: 10px;
}

.expert-card summary {
  font-size: 13px;
  color: var(--red);
  cursor: pointer;
}

.expert-card details p {
  font-size: 13px;
  margin-top: 10px;
  white-space: pre-line;
}

.origin-story {
  border: 1px solid var(--rule);
  background-color: var(--surface-subtle);
  padding: 24px;
  margin-top: 24px;
}

.origin-story h3 {
  font-size: 18px;
  margin: 0 0 12px;
}

.origin-story p,
.origin-story li {
  font-size: 14px;
}

/* PROGRAMME TIMELINE */
.program-timeline {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.program-week {
  border: 1px solid var(--rule);
  padding: 24px;
  background-color: var(--bg);
  position: relative;
  scroll-margin-top: 96px;
}

.program-week__header {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.program-week h3 {
  font-size: 18px;
  margin: 0 0 6px;
}

.program-week__summary {
  font-size: 14px;
  color: var(--ink-muted);
  margin: 0;
}

.program-week__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 16px;
}

.program-week__block {
  font-size: 14px;
}

.program-week__block--achievement {
  background-color: var(--surface-subtle);
  border-left: 3px solid var(--red);
  padding: 14px;
}

.block-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 8px;
}

.program-details {
  border-top: 1px solid var(--rule-subtle);
  padding-top: 12px;
  margin-bottom: 0;
}

.program-details summary {
  font-size: 13px;
  color: var(--red);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.program-details__content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding-top: 16px;
  font-size: 13px;
}

.program-details__content p {
  font-size: 13px;
  margin-bottom: 8px;
}

.program-details__content ul {
  padding-left: 18px;
  margin-bottom: 16px;
}

.program-details__content li {
  margin-bottom: 6px;
}

.program-week--demo {
  background-color: var(--panel-black);
  color: var(--panel-ink);
  box-shadow: 4px 4px 0 var(--red);
}

.program-week--demo h3 {
  color: var(--panel-ink);
  border-bottom: 1px solid #333333;
  padding-bottom: 10px;
  margin-bottom: 14px;
}

.program-week--demo ul {
  font-size: 14px;
  margin-bottom: 0;
  padding-left: 20px;
}

.bonuses-panel {
  margin-top: 32px;
  border: 1px solid var(--rule);
  padding: 24px;
  background-color: var(--surface-subtle);
}

.bonuses-panel h3 {
  font-size: 18px;
  margin: 0 0 16px;
  text-transform: uppercase;
}

.bonuses-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.bonus-card {
  border: 1px solid var(--rule);
  background-color: var(--bg);
  padding: 16px;
  font-size: 13px;
}

.bonus-title {
  font-size: 14px;
  border-bottom: 1px solid var(--rule-subtle);
  padding-bottom: 8px;
  margin-bottom: 10px;
}

/* REVIEWS */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.review-card {
  border: 1px solid var(--rule);
  padding: 20px;
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
}

.review-meta {
  border-bottom: 1px solid var(--rule-subtle);
  padding-bottom: 10px;
  margin-bottom: 12px;
}

.review-author {
  font-size: 16px;
  margin-bottom: 4px;
}

.review-role {
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 0;
}

.review-card blockquote {
  font-size: 13px;
  margin-bottom: 12px;
}

.review-card details {
  margin-top: auto;
  margin-bottom: 0;
  border-top: 1px solid var(--rule-subtle);
  padding-top: 10px;
}

.review-card summary {
  font-size: 12px;
  color: var(--red);
  cursor: pointer;
}

.review-card details p {
  font-size: 13px;
  margin-top: 8px;
}

/* PRICING (2 COLUMNS, SEPARATE CLOSED ENROLLMENT STATUS) */
.enrollment-status--inline {
  margin-top: 8px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.price-panel {
  border: 1px solid var(--rule);
  padding: 24px;
  background-color: var(--bg);
  display: flex;
  flex-direction: column;
}

.price-panel--premium {
  border-width: 2px;
  box-shadow: 6px 6px 0 var(--red);
}

.price-panel__head {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 16px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.price-panel h3 {
  font-size: 18px;
  margin: 0;
}

.research-price {
  font-size: 24px;
  color: var(--red);
  margin: 0;
}

.price-panel ul {
  font-size: 14px;
  padding-left: 18px;
  margin-bottom: 0;
}

.price-panel li {
  margin-bottom: 8px;
}

.payment-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--ink-muted);
}

/* CONTACTS & DOCUMENTS */
.contacts-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.contacts-list li a {
  display: block;
  border: 1px solid var(--rule);
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  background-color: var(--bg);
}

.contacts-list li a:hover,
.contacts-list li a:focus-visible {
  background-color: var(--ink);
  color: var(--panel-ink);
  box-shadow: 4px 4px 0 var(--red);
}

.document-end a {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--red);
}

/* MOBILE: SINGLE COLUMN <= 700PX */
@media (max-width: 700px) {
  :root {
    --gutter: 16px;
  }

  .wrap {
    padding: 20px var(--gutter) 64px;
  }

  .hero-grid,
  .lab-section,
  .grid-cards--roles,
  .grid-cards--two,
  .grid-cards--three,
  .numbered-list,
  .experts-grid,
  .program-week__grid,
  .program-details__content,
  .bonuses-grid,
  .reviews-grid,
  .pricing-grid,
  .contacts-list {
    grid-template-columns: 1fr;
  }

  .hero-left,
  .hero-panel,
  .section-header,
  .section-body,
  .lab-section[data-section-num]::before {
    grid-column: 1 / -1;
    padding-right: 0;
  }

  .hero-left {
    margin-bottom: 24px;
  }

  .intro-title h1 {
    font-size: 32px;
  }

  .document-toc ol {
    flex-direction: column;
    gap: 4px;
    padding-top: 8px;
  }

  .document-toc li a {
    display: block;
    padding: 6px 8px;
  }

  .section-header {
    margin-bottom: 16px;
  }
}