.method-page {
  background:
    radial-gradient(circle at 15% 4%, rgba(255, 214, 10, 0.13), transparent 24%),
    radial-gradient(circle at 92% 22%, rgba(255, 214, 10, 0.07), transparent 20%),
    #090909;
}

.method-shell {
  max-width: 1440px;
}

.method-page .nav a.active {
  color: #090909;
  border-color: var(--accent);
  background: var(--accent);
}

.method-main {
  display: grid;
  gap: 18px;
}

.method-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  align-items: center;
  gap: clamp(32px, 5vw, 76px);
  min-height: 610px;
  padding: clamp(30px, 5vw, 76px);
  background:
    linear-gradient(120deg, rgba(255, 214, 10, 0.1), transparent 43%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 50%),
    #10100f;
}

.method-hero::after {
  content: "";
  position: absolute;
  right: -180px;
  top: -220px;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(255, 214, 10, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(255, 214, 10, 0.025), 0 0 0 140px rgba(255, 214, 10, 0.018);
  pointer-events: none;
}

.method-hero-copy,
.formula-card {
  position: relative;
  z-index: 1;
}

.method-hero h1 {
  max-width: 760px;
  font-size: clamp(3.6rem, 7vw, 7rem);
  line-height: 0.84;
  letter-spacing: -0.065em;
}

.method-lead {
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(246, 244, 239, 0.76);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.65;
}

.method-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.independence-note {
  max-width: 640px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.independence-note strong {
  color: var(--text);
}

.formula-card {
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid rgba(255, 214, 10, 0.32);
  border-radius: 28px;
  background:
    radial-gradient(circle at 90% 0%, rgba(255, 214, 10, 0.2), transparent 36%),
    rgba(7, 7, 7, 0.86);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
}

.formula-card-label {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.formula-display {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 180px;
  color: var(--text);
  font-family: "Arial Narrow", "Avenir Next Condensed", "Helvetica Neue", sans-serif;
  font-size: clamp(1.15rem, 2vw, 1.9rem);
  font-weight: 800;
}

.formula-ceiling {
  color: var(--accent);
}

.formula-symbol,
.formula-bracket {
  color: rgba(246, 244, 239, 0.48);
}

.formula-bracket {
  font-size: 2.3em;
  font-weight: 300;
}

.formula-fraction {
  display: grid;
  text-align: center;
}

.formula-fraction span {
  padding: 5px 8px;
}

.formula-fraction span:first-child {
  border-bottom: 2px solid var(--text);
}

.formula-display sup {
  align-self: flex-start;
  margin-top: 54px;
  color: var(--accent);
  font-size: 0.7em;
}

.formula-card-foot {
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.method-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--line);
}

.method-fact {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  min-height: 92px;
  padding: 18px;
  background: #10100f;
}

.method-fact strong {
  color: var(--accent);
  font-family: "Arial Narrow", "Avenir Next Condensed", "Helvetica Neue", sans-serif;
  font-size: 2rem;
}

.method-fact span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.method-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  align-items: start;
  gap: 18px;
}

.method-toc {
  position: sticky;
  top: 92px;
  display: grid;
  padding: 18px;
}

.method-toc-title {
  margin-bottom: 10px;
  padding: 0 9px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.method-toc a {
  padding: 9px;
  border-radius: 9px;
  color: var(--muted);
  font-size: 0.86rem;
  transition: color 140ms ease, background 140ms ease;
}

.method-toc a:hover,
.method-toc a:focus-visible {
  color: var(--text);
  background: rgba(255, 214, 10, 0.07);
  outline: none;
}

.method-content {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.method-section {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 62px);
  scroll-margin-top: 92px;
}

.method-section-number {
  position: absolute;
  right: 22px;
  top: 10px;
  color: rgba(255, 214, 10, 0.07);
  font-family: "Arial Narrow", "Avenir Next Condensed", "Helvetica Neue", sans-serif;
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}

.method-section h2,
.method-cta h2 {
  position: relative;
  max-width: 800px;
  margin-top: 8px;
  font-size: clamp(2.3rem, 4.6vw, 4.8rem);
  line-height: 0.92;
}

.method-section > p,
.method-cta p {
  position: relative;
  max-width: 840px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.72;
}

.method-section > p:first-of-type {
  margin-top: 22px;
}

.method-section p strong {
  color: var(--text);
}

.principle-grid,
.tier-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.principle-card,
.tier-card {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.principle-card span,
.tier-card span,
.limits-grid > div > span {
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.principle-card strong {
  display: block;
  margin-top: 10px;
  font-size: 1.05rem;
}

.principle-card p,
.tier-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.formula-explainer {
  display: grid;
  grid-template-columns: 0.8fr 0.8fr 1.6fr;
  gap: 10px;
  margin-top: 28px;
}

.formula-explainer > div {
  display: grid;
  gap: 7px;
  min-height: 110px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #0d0d0c;
}

.formula-explainer span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.formula-explainer strong {
  align-self: end;
  color: var(--accent);
  font-size: clamp(1.2rem, 2.3vw, 2rem);
}

.why-square {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  align-items: center;
  gap: 28px;
  margin-top: 28px;
  padding: 24px;
  border-radius: 18px;
  background: rgba(255, 214, 10, 0.05);
}

.why-square p {
  color: var(--muted);
  line-height: 1.65;
}

.why-square-chart {
  display: flex;
  align-items: end;
  gap: 12px;
  height: 150px;
  padding: 18px 18px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.why-square-chart span {
  position: relative;
  flex: 1;
  height: var(--bar);
  min-height: 24px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--accent), rgba(255, 214, 10, 0.25));
}

.why-square-chart i {
  position: absolute;
  left: 50%;
  top: -20px;
  color: var(--muted);
  font-size: 0.68rem;
  font-style: normal;
  transform: translateX(-50%);
}

.tier-card strong {
  display: block;
  margin-top: 12px;
  color: var(--accent);
  font-family: "Arial Narrow", "Avenir Next Condensed", "Helvetica Neue", sans-serif;
  font-size: clamp(3rem, 5vw, 5rem);
  line-height: 0.9;
}

.tier-pro {
  background: linear-gradient(150deg, rgba(255, 214, 10, 0.08), transparent 70%);
}

.tier-elite {
  border-color: rgba(255, 214, 10, 0.28);
  background: linear-gradient(150deg, rgba(255, 214, 10, 0.14), transparent 72%);
}

.method-callout,
.method-note,
.projection-formula {
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  border-radius: 0 14px 14px 0;
  background: rgba(255, 214, 10, 0.06);
  color: rgba(246, 244, 239, 0.78) !important;
  font-size: 0.9rem !important;
  line-height: 1.6 !important;
}

.sof-scale {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
}

.sof-scale > div {
  display: grid;
  min-height: 150px;
  padding: 20px;
  background: #0e0e0d;
}

.sof-scale span {
  color: var(--muted);
  font-size: 0.82rem;
}

.sof-scale strong {
  align-self: center;
  color: var(--accent);
  font-size: 2.2rem;
}

.sof-scale small {
  align-self: end;
  color: var(--muted);
  font-size: 0.7rem;
  line-height: 1.4;
}

.race-stack {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
  margin: 30px 0;
}

.race-stack > div {
  display: grid;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.race-stack span,
.worked-example span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.race-stack strong {
  color: var(--accent);
  font-size: 1.22rem;
}

.race-stack .race-stack-total {
  grid-column: 1 / -1;
  grid-template-columns: 1fr auto;
  align-items: center;
  border-color: rgba(255, 214, 10, 0.32);
  background: rgba(255, 214, 10, 0.08);
}

.race-stack .race-stack-total strong {
  font-size: 2rem;
}

.projection-formula {
  border: 1px solid rgba(255, 214, 10, 0.22);
  border-left-width: 3px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.completeness-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.completeness-list > div {
  display: grid;
  grid-template-columns: 120px minmax(120px, 1fr) 90px;
  align-items: center;
  gap: 16px;
}

.completeness-list span {
  color: var(--muted);
  font-size: 0.84rem;
}

.completeness-list span b {
  color: var(--text);
}

.completeness-list i {
  position: relative;
  overflow: hidden;
  height: 9px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
}

.completeness-list i::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: var(--fill);
  border-radius: inherit;
  background: var(--accent);
}

.completeness-list strong {
  color: var(--accent);
  text-align: right;
}

.worked-example {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0;
}

.worked-example > div {
  display: grid;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.025);
}

.worked-example strong {
  line-height: 1.4;
}

.worked-example .worked-example-result {
  grid-column: 1 / -1;
  grid-template-columns: 1fr auto;
  align-items: center;
  border-color: rgba(255, 214, 10, 0.36);
  background: var(--accent);
}

.worked-example-result span,
.worked-example-result strong {
  color: #090909;
}

.worked-example-result strong {
  font-size: 1.35rem;
}

.limits-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.limits-grid > div {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.limits-grid ul {
  display: grid;
  gap: 11px;
  margin: 18px 0 0;
  padding-left: 20px;
  color: rgba(246, 244, 239, 0.76);
  line-height: 1.5;
}

.method-faq {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.method-faq details {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.025);
}

.method-faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 60px;
  padding: 15px 18px;
  cursor: pointer;
  font-weight: 750;
  list-style: none;
}

.method-faq summary::-webkit-details-marker {
  display: none;
}

.method-faq summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 1.15rem;
}

.method-faq details[open] summary::after {
  content: "−";
}

.method-faq details[open] summary {
  border-bottom: 1px solid var(--line);
}

.method-faq p {
  margin: 0;
  padding: 18px;
  color: var(--muted);
  line-height: 1.65;
}

.method-faq a,
.method-footer a {
  color: var(--accent);
}

.method-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(28px, 5vw, 54px);
  background:
    linear-gradient(120deg, rgba(255, 214, 10, 0.14), transparent 56%),
    #10100f;
}

.method-cta h2 {
  margin-top: 6px;
  font-size: clamp(2rem, 3.8vw, 3.8rem);
}

.method-cta p {
  margin-bottom: 0;
}

.method-cta .button {
  flex: 0 0 auto;
}

.method-footer {
  margin-top: 18px;
}

.mobile-tab-symbol {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1;
}

@media (max-width: 1040px) {
  .method-hero {
    grid-template-columns: 1fr;
  }

  .formula-card {
    max-width: 680px;
  }

  .method-layout {
    grid-template-columns: 1fr;
  }

  .method-toc {
    position: static;
    display: flex;
    overflow-x: auto;
    gap: 4px;
    padding: 10px;
    scrollbar-width: none;
  }

  .method-toc::-webkit-scrollbar {
    display: none;
  }

  .method-toc-title {
    display: none;
  }

  .method-toc a {
    flex: 0 0 auto;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
  }
}

@media (max-width: 760px) {
  .method-main {
    gap: 12px;
  }

  .method-hero {
    min-height: 0;
    gap: 28px;
    padding: 24px 18px;
    border-radius: 22px;
  }

  .method-hero h1 {
    font-size: clamp(3.1rem, 16vw, 4.2rem);
    line-height: 0.86;
  }

  .method-lead {
    margin-top: 18px;
    font-size: 0.95rem;
    line-height: 1.58;
  }

  .method-hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-top: 22px;
  }

  .method-hero-actions .button {
    min-height: 48px;
    padding: 0 12px;
    border-radius: 14px;
    font-size: 0.82rem;
  }

  .formula-card {
    padding: 20px;
    border-radius: 18px;
  }

  .formula-display {
    gap: 5px;
    min-height: 135px;
    font-size: 1rem;
  }

  .formula-bracket {
    font-size: 1.8em;
  }

  .formula-display sup {
    margin-top: 38px;
  }

  .method-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-radius: 17px;
  }

  .method-fact {
    display: grid;
    justify-content: start;
    gap: 2px;
    min-height: 80px;
    padding: 14px;
  }

  .method-fact strong {
    font-size: 1.65rem;
  }

  .method-fact span {
    font-size: 0.64rem;
  }

  .method-toc {
    position: sticky;
    top: 58px;
    z-index: 22;
    border-radius: 14px;
    background: rgba(15, 15, 14, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .method-section {
    padding: 26px 18px;
    border-radius: 20px;
    scroll-margin-top: 118px;
  }

  .method-section-number {
    right: 10px;
    top: 9px;
    font-size: 5.2rem;
  }

  .method-section h2 {
    max-width: 320px;
    font-size: 2.45rem;
  }

  .method-section > p {
    font-size: 0.92rem;
    line-height: 1.65;
  }

  .principle-grid,
  .tier-grid,
  .formula-explainer,
  .worked-example,
  .limits-grid {
    grid-template-columns: 1fr;
  }

  .principle-card,
  .tier-card {
    padding: 18px;
  }

  .formula-explainer > div {
    grid-template-columns: 1fr auto;
    align-items: center;
    min-height: 74px;
  }

  .formula-explainer strong {
    align-self: center;
    text-align: right;
  }

  .why-square {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 18px;
  }

  .why-square-chart {
    height: 130px;
  }

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

  .sof-scale > div {
    min-height: 125px;
    padding: 16px;
  }

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

  .race-stack > div {
    padding: 15px;
  }

  .race-stack > div:nth-child(5) {
    grid-column: 1 / -1;
  }

  .completeness-list > div {
    grid-template-columns: 92px minmax(80px, 1fr) 74px;
    gap: 10px;
  }

  .completeness-list strong {
    font-size: 0.78rem;
  }

  .worked-example .worked-example-result {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .worked-example-result strong {
    font-size: 1.12rem;
  }

  .method-faq summary {
    min-height: 58px;
    padding: 14px;
    font-size: 0.9rem;
  }

  .method-cta {
    display: grid;
    padding: 26px 18px;
    border-radius: 20px;
  }

  .method-cta .button {
    width: 100%;
    min-height: 50px;
    border-radius: 14px;
  }

  .method-footer {
    margin-bottom: 4px;
  }

  .method-footer .footer-legal {
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .method-page {
    scroll-behavior: auto;
  }
}