/* ===== 1. CSS Variables & Reset ===== */
:root {
  --color-bg: #0F1119;
  --color-surface: #1A1D2E;
  --color-accent: #00E87B;
  --color-accent-secondary: #3B82F6;
  --color-text: #E2E8F0;
  --color-text-secondary: #94A3B8;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-success: #00E87B;
  --color-border: #2A2D3E;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --content-width: 840px;
  --section-gap: clamp(3rem, 6vw, 5rem);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: 0.25s ease;
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #F8F9FC;
    --color-surface: #FFFFFF;
    --color-text: #1A1D2E;
    --color-text-secondary: #5A6178;
    --color-border: #E2E5EF;
    --color-accent: #059955;
    --color-accent-secondary: #2563EB;
    --color-warning: #D97706;
    --color-danger: #DC2626;
    --color-success: #059955;
  }
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: clamp(0.975rem, 1.5vw, 1.125rem);
  font-weight: 400;
  line-height: 1.72;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== 2. General Typography ===== */
h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

@media (prefers-color-scheme: light) {
  h1 { color: var(--color-text); }
}

h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-align: left;
  margin-bottom: 1.25rem;
  scroll-margin-top: 2rem;
}

h3 {
  font-family: var(--font-body);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-text);
  text-align: left;
  margin-bottom: 0.75rem;
  scroll-margin-top: 2rem;
}

p {
  text-align: left;
  margin-bottom: 1.125rem;
  color: var(--color-text);
}

a {
  color: var(--color-accent-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent);
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 2px;
}

ul, ol {
  padding-left: 1.5rem;
  margin-bottom: 1.125rem;
}

li {
  margin-bottom: 0.5rem;
  text-align: left;
}

strong {
  font-weight: 600;
  color: var(--color-text);
}

em {
  font-style: italic;
}

blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  color: var(--color-text-secondary);
  background: rgba(0, 232, 123, 0.04);
  border-radius: 0 var(--radius) var(--radius) 0;
}

figure {
  margin: 1.5rem 0;
  max-width: 100%;
}

figcaption {
  font-size: clamp(0.75rem, 1vw, 0.875rem);
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 0.5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9375rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  background: var(--color-surface);
}

tr:nth-child(even) td {
  background: rgba(26, 29, 46, 0.4);
}

@media (prefers-color-scheme: light) {
  tr:nth-child(even) td {
    background: rgba(0, 0, 0, 0.025);
  }
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* ===== 3. Layout: data-content sections ===== */
main {
  width: 100%;
}

[data-content] {
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 1.25rem;
  margin-bottom: var(--section-gap);
}

[data-content="hero"] {
  max-width: none;
  padding: 0;
  margin-bottom: 0;
}

/* ===== 4. Visual Components ===== */

/* -- info-box -- */
.info-box {
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.info-box p {
  text-align: left;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.65;
}

.info-box p:last-child {
  margin-bottom: 0;
}

.info-box strong {
  color: var(--color-accent-secondary);
  font-weight: 600;
}

/* -- odds-example -- */
.odds-example {
  background: #151829;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.75rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

@media (prefers-color-scheme: light) {
  .odds-example {
    background: #1A1D2E;
  }
}

@media (prefers-color-scheme: dark) {
  .odds-example {
    background: #151829;
  }
}

.odds-example p {
  text-align: center;
  color: #E2E8F0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.odds-example p:last-child {
  margin-bottom: 0;
}

.odds-example strong {
  color: var(--color-accent);
}

/* -- callout (generic) -- */
.callout {
  border-left: 3px solid var(--color-accent-secondary);
  background: rgba(59, 130, 246, 0.08);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.callout p {
  text-align: left;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.callout p:last-child { margin-bottom: 0; }

/* -- callout-warning -- */
.callout-warning {
  border-left: 3px solid var(--color-warning);
  background: rgba(245, 158, 11, 0.08);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.callout-warning p {
  text-align: left;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.callout-warning p:last-child { margin-bottom: 0; }

.callout-warning strong {
  color: var(--color-warning);
}

/* -- callout-legal -- */
.callout-legal {
  border-left: 3px solid var(--color-accent-secondary);
  background: rgba(59, 130, 246, 0.08);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.callout-legal p {
  text-align: left;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.callout-legal p:last-child { margin-bottom: 0; }

.callout-legal strong {
  color: var(--color-accent-secondary);
}

/* -- card-grid -- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0;
}

.card-grid > div {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card-grid > div:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.card-grid p {
  text-align: left;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 0.5rem;
}

.card-grid p:last-child { margin-bottom: 0; }

.card-grid strong {
  color: var(--color-accent);
  font-family: var(--font-display);
}

/* -- comparison / comparison-table -- */
.comparison,
.comparison-table {
  margin: 1.75rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison table,
.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

.comparison th,
.comparison-table th {
  background: var(--color-surface);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.875rem 1rem;
  text-align: left;
  border-bottom: 2px solid var(--color-accent);
}

.comparison td,
.comparison-table td {
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  color: var(--color-text);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
}

.comparison tr:nth-child(even) td,
.comparison-table tr:nth-child(even) td {
  background: rgba(26, 29, 46, 0.3);
}

@media (prefers-color-scheme: light) {
  .comparison tr:nth-child(even) td,
  .comparison-table tr:nth-child(even) td {
    background: rgba(0, 0, 0, 0.02);
  }
}

/* -- step-card -- */
.step-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin: 1.25rem 0;
  position: relative;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  counter-increment: step-counter;
}

.step-card p {
  text-align: left;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.step-card p:last-child { margin-bottom: 0; }

.step-card strong {
  color: var(--color-accent);
  font-family: var(--font-display);
}

/* -- tldr -- */
.tldr {
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.5rem 1.75rem;
  margin-top: 1.75rem;
  margin-bottom: 1.75rem;
}

.tldr h2 {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.5vw, 1.25rem);
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.tldr ul {
  padding-left: 1.25rem;
  margin-bottom: 0;
}

.tldr li {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  margin-bottom: 0.625rem;
  text-align: left;
}

.tldr li:last-child { margin-bottom: 0; }

/* -- key-takeaway -- */
.key-takeaway {
  border-top: 2px solid var(--color-accent);
  padding-top: 1rem;
  margin: 2rem 0;
}

.key-takeaway p {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text);
  text-align: left;
}

/* -- fun-fact -- */
.fun-fact {
  position: relative;
  padding-left: 1.5rem;
  margin: 1.5rem 0;
}

.fun-fact::before {
  content: '\2014';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent);
  font-weight: 700;
}

.fun-fact p {
  font-style: italic;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
  text-align: left;
  margin-bottom: 0;
}

/* -- glossary-term -- */
.glossary-term {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 1rem 0;
}

.glossary-term strong {
  font-family: var(--font-mono);
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  white-space: nowrap;
  flex-shrink: 0;
}

.glossary-term span {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

@media (max-width: 520px) {
  .glossary-term {
    flex-direction: column;
    gap: 4px;
  }
}

/* -- dos-donts (pros-cons) -- */
.dos-donts,
.pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin: 1.75rem 0;
}

.dos-donts > div,
.pros-cons > div {
  padding: 1.25rem;
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.dos-donts > div:first-child,
.pros-cons > div:first-child {
  border-top: 3px solid var(--color-success);
}

.dos-donts > div:last-child,
.pros-cons > div:last-child {
  border-top: 3px solid var(--color-danger);
}

.dos-donts h4,
.pros-cons h4 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.dos-donts > div:first-child h4,
.pros-cons > div:first-child h4 {
  color: var(--color-success);
}

.dos-donts > div:last-child h4,
.pros-cons > div:last-child h4 {
  color: var(--color-danger);
}

.dos-donts li,
.pros-cons li {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text);
  text-align: left;
  margin-bottom: 0.375rem;
}

@media (max-width: 600px) {
  .dos-donts,
  .pros-cons {
    grid-template-columns: 1fr;
  }
}

/* -- pre-bet-checklist -- */
.pre-bet-checklist {
  margin: 1.75rem 0;
}

.pre-bet-checklist h4 {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.pre-bet-checklist ul {
  border-left: 2px solid var(--color-border);
  padding-left: 1.75rem;
  list-style: none;
}

.pre-bet-checklist li {
  position: relative;
  font-size: 0.9375rem;
  color: var(--color-text);
  text-align: left;
  margin-bottom: 0.75rem;
  line-height: 1.6;
}

.pre-bet-checklist li::before {
  content: '\2610';
  position: absolute;
  left: -1.75rem;
  color: var(--color-accent);
  font-size: 0.875rem;
  background: var(--color-bg);
  padding: 0 2px;
  transform: translateX(-50%);
}

/* -- at-a-glance -- */
.at-a-glance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  margin: 1.75rem 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.at-a-glance > div {
  padding: 1.25rem;
  border-right: 1px solid var(--color-border);
  text-align: center;
}

.at-a-glance > div:last-child {
  border-right: none;
}

.at-a-glance strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.375rem;
}

.at-a-glance p {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.8125rem;
  line-height: 1.5;
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .at-a-glance {
    grid-template-columns: 1fr 1fr;
  }
  .at-a-glance > div {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }
  .at-a-glance > div:nth-child(odd) {
    border-right: 1px solid var(--color-border);
  }
}

/* -- worked-example -- */
.worked-example {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin: 1.75rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.worked-example p {
  text-align: left;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin-bottom: 0.75rem;
}

.worked-example p:last-child { margin-bottom: 0; }

.worked-example code,
.worked-example .mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
}

.worked-example hr {
  border: none;
  border-top: 1px dashed var(--color-border);
  margin: 1rem 0;
  position: relative;
}

.worked-example .result {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-accent);
}

/* -- section-bridge -- */
.section-bridge {
  text-align: center;
  margin: 2.5rem 0 0.5rem;
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.section-bridge::before,
.section-bridge::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.section-bridge p {
  text-align: center;
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--color-accent);
  margin-bottom: 0;
  max-width: 70%;
  flex-shrink: 0;
}

/* ===== 5. Hero Section ===== */
[data-content="hero"] {
  position: relative;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: clamp(4rem, 10vw, 7rem) 1.25rem clamp(3rem, 8vw, 5rem);
  background: linear-gradient(170deg, #0F1119 0%, #141728 40%, #1A1D2E 100%);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: var(--section-gap);
}

@media (prefers-color-scheme: light) {
  [data-content="hero"] {
    background: linear-gradient(170deg, #1A1D2E 0%, #232842 40%, #2A2D3E 100%);
  }
  [data-content="hero"] h1 {
    color: #FFFFFF;
  }
}

[data-content="hero"]::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='120' height='120' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='10' cy='10' r='1.5' fill='%2300E87B' opacity='0.25'/%3E%3Ccircle cx='60' cy='10' r='1.5' fill='%2300E87B' opacity='0.15'/%3E%3Ccircle cx='110' cy='10' r='1.5' fill='%2300E87B' opacity='0.2'/%3E%3Ccircle cx='35' cy='60' r='1.5' fill='%2300E87B' opacity='0.15'/%3E%3Ccircle cx='85' cy='60' r='1.5' fill='%2300E87B' opacity='0.2'/%3E%3Ccircle cx='10' cy='110' r='1.5' fill='%2300E87B' opacity='0.2'/%3E%3Ccircle cx='60' cy='110' r='1.5' fill='%2300E87B' opacity='0.15'/%3E%3Ccircle cx='110' cy='110' r='1.5' fill='%2300E87B' opacity='0.25'/%3E%3Cline x1='10' y1='10' x2='60' y2='10' stroke='%2300E87B' stroke-width='0.5' opacity='0.1'/%3E%3Cline x1='60' y1='10' x2='110' y2='10' stroke='%2300E87B' stroke-width='0.5' opacity='0.08'/%3E%3Cline x1='10' y1='10' x2='35' y2='60' stroke='%2300E87B' stroke-width='0.5' opacity='0.08'/%3E%3Cline x1='60' y1='10' x2='85' y2='60' stroke='%2300E87B' stroke-width='0.5' opacity='0.08'/%3E%3Cline x1='110' y1='10' x2='85' y2='60' stroke='%2300E87B' stroke-width='0.5' opacity='0.06'/%3E%3Cline x1='35' y1='60' x2='85' y2='60' stroke='%2300E87B' stroke-width='0.5' opacity='0.1'/%3E%3Cline x1='35' y1='60' x2='10' y2='110' stroke='%2300E87B' stroke-width='0.5' opacity='0.08'/%3E%3Cline x1='85' y1='60' x2='110' y2='110' stroke='%2300E87B' stroke-width='0.5' opacity='0.08'/%3E%3Cline x1='10' y1='110' x2='60' y2='110' stroke='%2300E87B' stroke-width='0.5' opacity='0.08'/%3E%3Cline x1='60' y1='110' x2='110' y2='110' stroke='%2300E87B' stroke-width='0.5' opacity='0.06'/%3E%3C/svg%3E");
  background-repeat: repeat;
  opacity: 0.06;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
}

[data-content="hero"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 50% 40%, rgba(0, 232, 123, 0.05), transparent 70%);
  pointer-events: none;
}

.hero-rubric {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

[data-content="hero"] h1 {
  max-width: 800px;
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(0.8125rem, 1.2vw, 0.9375rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-text-secondary);
  max-width: 520px;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

[data-content="hero"] figure {
  position: relative;
  z-index: 1;
  max-width: 800px;
  width: 100%;
  margin-top: 1.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

[data-content="hero"] figure img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 1;
  flex-wrap: wrap;
  justify-content: center;
}

/* ===== 6. Header & Date Badge ===== */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  max-width: var(--content-width);
  margin: 0 auto;
}

.date-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  padding: 0.375rem 0.875rem;
}

.trust-marker {
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-secondary);
}

/* ===== 7. TOC (vertical list) ===== */
[data-content="toc"] {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
}

[data-content="toc"] h2 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.toc-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}

.toc-list > li {
  margin-bottom: 0.25rem;
}

.toc-list > li > a {
  display: block;
  padding: 0.375rem 0;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.toc-list > li > a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-border);
}

.toc-sub {
  list-style: none;
  padding-left: 1.25rem;
  margin: 0.125rem 0 0.375rem;
}

.toc-sub li {
  margin-bottom: 0.125rem;
}

.toc-sub a {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

.toc-sub a:hover {
  color: var(--color-accent);
}

/* ===== 8. FAQ Accordion ===== */
[data-content="faq"] details {
  border-bottom: 1px solid var(--color-border);
  interpolate-size: allow-keywords;
}

[data-content="faq"] summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 1.125rem 0;
  font-family: var(--font-display);
  font-size: clamp(0.9375rem, 1.3vw, 1.0625rem);
  font-weight: 500;
  color: var(--color-text);
  list-style: none;
  transition: color var(--transition);
}

[data-content="faq"] summary::-webkit-details-marker { display: none; }
[data-content="faq"] summary::marker { content: ''; }

[data-content="faq"] summary:hover {
  color: var(--color-accent);
}

[data-content="faq"] summary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

[data-content="faq"] summary::after {
  content: '+';
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}

[data-content="faq"] details[open] > summary::after {
  transform: rotate(45deg);
}

[data-content="faq"] details::details-content {
  opacity: 0;
  block-size: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, block-size 0.3s ease, content-visibility 0.3s ease;
  transition-behavior: allow-discrete;
}

[data-content="faq"] details[open]::details-content {
  opacity: 1;
  block-size: auto;
}

[data-content="faq"] details > div {
  padding-bottom: 1rem;
}

[data-content="faq"] details > div > p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  text-align: left;
}

/* Fallback for older browsers */
@supports not selector(::details-content) {
  @keyframes faq-fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
  }
  [data-content="faq"] details[open] > *:not(summary) {
    animation: faq-fade-in 0.25s ease forwards;
  }
}

/* ===== 9. Article Image ===== */
.article-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius);
}


/* ===== 11. Back to Top ===== */
.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: color var(--transition), border-color var(--transition), transform var(--transition);
  margin-top: 1rem;
}

.back-to-top:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.back-to-top::before {
  content: '\2191';
  font-size: 0.875rem;
}

/* ===== 12. Media Queries ===== */
@media (max-width: 768px) {
  [data-content] {
    padding: 0 1rem;
  }

  [data-content="hero"] {
    padding: clamp(3rem, 8vw, 5rem) 1rem clamp(2rem, 6vw, 3.5rem);
  }

  .hero-meta {
    flex-direction: column;
    gap: 0.5rem;
  }

  .comparison table,
  .comparison-table table {
    font-size: 0.8125rem;
  }

  .comparison th,
  .comparison-table th,
  .comparison td,
  .comparison-table td {
    padding: 0.625rem 0.75rem;
  }

  [data-content="toc"] {
    padding: 1.25rem;
  }
}

@media (max-width: 480px) {
  .at-a-glance {
    grid-template-columns: 1fr;
  }

  .at-a-glance > div {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .at-a-glance > div:last-child {
    border-bottom: none;
  }
}

/* =========================================
   UNIVERSAL DESKTOP & MOBILE MENU + LOGO
   ========================================= */

/* Header Base */
.site-header {
    background-color: var(--color-bg);
    position: relative;
    top: 0;
    z-index: 100;
    width: 100%;
}

/* Bulletproof Flexbox for Header Inner */
.site-header__inner,
.top-navigation-bar {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important; 
    width: 100% !important;
    max-width: 1200px !important; 
    margin: 0 auto !important;
    padding: 15px 24px !important;
    box-sizing: border-box !important;
}

/* --- LOGO FIXES --- */
.site-logo,
.custom-logo-link {
    display: flex !important;
    align-items: center !important;
    text-decoration: none !important;
    flex-shrink: 0 !important; 
    margin-right: 2rem !important; 
}

.site-logo img,
.custom-logo {
    max-height: 75px !important; 
    width: auto !important; 
    min-width: 45px !important; 
    display: block !important;
    transition: transform 0.2s ease;
}

.site-logo img:hover,
.custom-logo:hover {
    transform: scale(1.02);
}

/* --- DESKTOP MENU --- */
@media (min-width: 1024px) {
    .mobile-controls,
    .burger {
        display: none !important; 
    }
    
    .site-header__inner ul:not(.menu-mobile),
    .top-navigation-bar ul:not(.menu-mobile) {
        display: flex !important;
        flex-direction: row !important;
        gap: 30px !important; 
        list-style: none !important;
        margin: 0 !important;
        padding: 0 !important;
        align-items: center !important;
        justify-content: flex-end !important;
        flex-wrap: nowrap !important;
    }
    
    .site-header__inner ul:not(.menu-mobile) li,
    .top-navigation-bar ul:not(.menu-mobile) li {
        margin: 0 !important;
        padding: 0 !important;
    }

    .site-header__inner ul:not(.menu-mobile) a,
    .top-navigation-bar ul:not(.menu-mobile) a {
        text-decoration: none !important;
        color: var(--color-text) !important;
        font-family: var(--font-body, sans-serif) !important;
        font-weight: 500 !important;
        font-size: 16px !important;
        white-space: nowrap !important; 
        transition: color 0.2s ease;
    }
    
    .site-header__inner ul:not(.menu-mobile) a:hover,
    .top-navigation-bar ul:not(.menu-mobile) a:hover {
        color: var(--color-accent) !important; 
    }
}

@media (max-width: 1023px) {
    .site-header__inner ul:not(.menu-mobile),
    .top-navigation-bar ul:not(.menu-mobile) {
        display: none !important;
    }
}

/* --- MOBILE BURGER BUTTON --- */
.burger {
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 5px;
    z-index: 1000;
}

.burger span {
    display: block;
    width: 28px;
    height: 3px;
    background-color: var(--color-text);
    transition: transform 0.3s ease, opacity 0.3s ease;
    border-radius: 2px;
}

/* Burger Animation to X */
.burger.is-active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}
.burger.is-active span:nth-child(2) {
    opacity: 0;
}
.burger.is-active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* --- MOBILE MENU SLIDER --- */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%; /* Hidden off-screen */
    width: 85%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-bg);
    box-shadow: -5px 0 20px rgba(0,0,0,0.5);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    overflow-y: auto;
    padding: 60px 30px;
}

.mobile-menu.is-open {
    right: 0; /* Slide in */
}

.mobile-menu__close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: transparent;
    border: none;
    font-size: 36px;
    line-height: 1;
    color: var(--color-text);
    cursor: pointer;
    transition: color 0.2s ease;
}

.mobile-menu__close:hover {
    color: var(--color-accent);
}

.menu-mobile {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.menu-mobile a {
    text-decoration: none;
    color: var(--color-text);
    font-size: 20px;
    font-family: var(--font-display, sans-serif);
    font-weight: 600;
    display: block;
    transition: color 0.2s ease, padding-left 0.2s ease;
}

.menu-mobile a:hover {
    color: var(--color-accent);
    padding-left: 10px; /* Nice slide effect on hover */
}

/* --- OVERLAY --- */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(3px); /* Beautiful blur effect */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s;
    z-index: 998;
}

.mobile-menu-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

/* =========================================
   4-COLUMN FOOTER (Apuestas Cripto Theme)
   ========================================= */
.site-footer-4col {
    background-color: #0d1117; /* Very dark background */
    color: #8b949e;
    padding: 60px 20px 30px;
    margin-top: 80px;
    font-family: var(--font-body, sans-serif);
    border-top: 3px solid var(--color-accent, #3b82f6); /* Classic Blue border */
}

.footer-4col-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Legal Disclaimers Block */
.footer-disclaimers {
    font-size: 0.85rem;
    color: #6e7681;
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-disclaimers p {
    margin-bottom: 0.8rem;
    line-height: 1.6;
    text-align: left;
}

.footer-disclaimers a {
    color: var(--color-accent, #3b82f6);
    text-decoration: none;
    transition: opacity 0.2s ease;
}

.footer-disclaimers a:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* Grid Layout */
.footer-4col-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

@media (min-width: 768px) {
    .footer-4col-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-4col-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 30px;
    }
}

/* Blue Titles */
.widget-title {
    color: var(--color-accent, #3b82f6); 
    font-family: var(--font-display, sans-serif); 
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    margin-top: 0;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.widget-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.widget-list li {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: #8b949e;
    line-height: 1.5;
}

.widget-list a {
    color: #8b949e;
    text-decoration: none;
    transition: color 0.2s ease;
}

.widget-list a:hover {
    color: var(--color-accent, #3b82f6);
}

/* Bullets */
.bullet-list li {
    position: relative;
    padding-left: 16px;
}

.bullet-list li::before {
    content: '•';
    color: var(--color-accent, #3b82f6); 
    position: absolute;
    left: 0;
    top: -2px;
    font-size: 1.5rem;
    line-height: 1;
}

.clean-list li {
    padding-left: 0;
    padding-bottom: 0.8rem;
}

.clean-list li::before {
    display: none;
}

.footer-4col-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 25px;
    text-align: center;
}

.footer-4col-bottom p {
    margin: 0;
    font-size: 0.85rem;
    color: #484f58;
    text-align: center;
}

/* Back to Top Button */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-accent, #3b82f6);
    color: #fff;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 99;
}

.back-to-top-btn.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-btn:hover {
    background-color: #2563eb;
    transform: translateY(-5px);
}

body {
  overflow-x: clip;
}