/* === 1. CSS Variables & Reset === */
:root {
  --color-primary: #0A1628;
  --color-primary-light: #1A2744;
  --color-accent: #F7931A;
  --color-accent-teal: #00D4AA;
  --color-neutral-light: #E8ECF1;
  --color-neutral-dark: #3A4553;
  --color-white: #FFFFFF;
  --color-bg: #E8ECF1;
  --color-text: #3A4553;
  --color-text-secondary: #6B7A8D;
  --color-surface: #FFFFFF;
  --color-border: #D1D8E0;
  --color-danger: #E74C3C;
  --color-danger-bg: #FFF5F5;
  --color-success: #27AE60;
  --color-success-bg: #F0FAF4;
  --color-warning-bg: #FFF8EC;
  --color-info-bg: #F0F7F5;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --content-width: 840px;
  --section-gap: clamp(3rem, 6vw, 5rem);
  --radius: 6px;
  --shadow-sm: 0 1px 3px rgba(10,22,40,0.06);
  --shadow-md: 0 4px 12px rgba(10,22,40,0.08);
  --shadow-lg: 0 8px 24px rgba(10,22,40,0.1);
  --transition: 0.25s ease;

    /* --- AUTO-FORCED DARK THEME --- */
    --color-bg: #0D1117;
    --color-text: #C9D1D9;
    --color-text-secondary: #8B949E;
    --color-surface: #161B22;
    --color-border: #30363D;
    --color-danger-bg: #1A0F0F;
    --color-success-bg: #0F1A14;
    --color-warning-bg: #1A1508;
    --color-info-bg: #0F1A17;
    --color-white: #161B22;
    --color-neutral-light: #0D1117;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.25);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.3);
}



*, *::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(1rem, 1.5vw, 1.125rem);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* === 2. General Typography === */
p {
  text-align: left;
  margin-bottom: 1.25em;
}

h2 {
  font-family: var(--font-body);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
  text-align: left;
  margin-bottom: 1rem;
  scroll-margin-top: 2rem;
}

h3 {
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary);
  text-align: left;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  scroll-margin-top: 2rem;
}

@media (prefers-color-scheme: dark) {
  h2, h3 {
    color: var(--color-text);
  }
}

ul, ol {
  text-align: left;
  margin-bottom: 1.25em;
  padding-left: 1.5em;
}

li {
  margin-bottom: 0.4em;
}

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

blockquote {
  text-align: left;
  border-left: 3px solid var(--color-accent);
  padding: 0.75em 1.25em;
  margin: 1.5em 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.8;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95em;
}

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

th {
  font-weight: 600;
  background-color: var(--color-surface);
  position: sticky;
  top: 0;
}

tr:hover td {
  background-color: rgba(0,212,170,0.04);
}

figure {
  margin: 1.5em auto;
  max-width: 100%;
}

figcaption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-top: 0.5em;
}

code {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background-color: var(--color-surface);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

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

/* === 3. Layout — data-content sections === */
[data-content] {
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
  padding: var(--section-gap) 1.25rem;
}

[data-content] + [data-content] {
  padding-top: 0;
}

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

/* --- info-box --- */
.info-box {
  border-left: 4px solid var(--color-accent-teal);
  background-color: var(--color-info-bg);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5em 0;
  box-shadow: var(--shadow-sm);
}

.info-box p {
  text-align: left;
  color: var(--color-text);
  margin-bottom: 0.5em;
}

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

/* --- callout / callout-warning --- */
.callout,
.callout-warning {
  border-left: 4px solid var(--color-danger);
  background-color: var(--color-danger-bg);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5em 0;
  box-shadow: var(--shadow-sm);
}

.callout p,
.callout-warning p {
  text-align: left;
  color: var(--color-text);
  margin-bottom: 0.5em;
}

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

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

@media (prefers-color-scheme: dark) {
  .callout strong,
  .callout-warning strong {
    color: #F87171;
  }
}

/* --- odds-example --- */
.odds-example {
  background-color: var(--color-primary);
  color: var(--color-neutral-light);
  padding: 1.5rem;
  border-radius: var(--radius);
  margin: 1.5em 0;
  box-shadow: var(--shadow-md);
  text-align: center;
}

.odds-example p {
  text-align: center;
  color: var(--color-neutral-light);
  margin-bottom: 0.5em;
}

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

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

@media (prefers-color-scheme: dark) {
  .odds-example {
    background-color: #1A2744;
    color: #C9D1D9;
  }
  .odds-example p {
    color: #C9D1D9;
  }
}

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

.key-takeaway p {
  text-align: left;
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}

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

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

.fun-fact p {
  text-align: left;
  font-style: italic;
  color: var(--color-text-secondary);
}

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

.glossary-term strong {
  font-family: var(--font-mono);
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.glossary-term span {
  color: var(--color-text-secondary);
}

@media (max-width: 600px) {
  .glossary-term {
    flex-direction: column;
    gap: 4px;
  }
}

/* --- dos-donts --- */
.dos-donts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5em 0;
}

.dos-donts .do-col {
  border-top: 3px solid var(--color-success);
  padding-top: 1rem;
}

.dos-donts .dont-col {
  border-top: 3px solid var(--color-danger);
  padding-top: 1rem;
}

.dos-donts h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.dos-donts .do-col h4 {
  color: var(--color-success);
}

.dos-donts .dont-col h4 {
  color: var(--color-danger);
}

.dos-donts p,
.dos-donts li {
  text-align: left;
  color: var(--color-text);
  font-size: 0.95em;
}

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

/* --- pre-bet-checklist --- */
.pre-bet-checklist {
  margin: 2em 0;
}

.pre-bet-checklist h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.pre-bet-checklist ul {
  list-style: none;
  padding-left: 1.5rem;
  border-left: 2px solid var(--color-border);
}

.pre-bet-checklist li {
  position: relative;
  padding: 0.5em 0 0.5em 0.75rem;
  text-align: left;
  color: var(--color-text);
}

.pre-bet-checklist li::before {
  content: '\2610';
  position: absolute;
  left: -1.15rem;
  color: var(--color-accent);
  background-color: var(--color-bg);
  font-size: 0.9em;
}

/* --- at-a-glance --- */
.at-a-glance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  margin: 1.5em 0;
}

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

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

.at-a-glance .glance-cell strong {
  display: block;
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2vw, 1.35rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.at-a-glance .glance-cell p {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  margin-bottom: 0;
}

@media (prefers-color-scheme: dark) {
  .at-a-glance .glance-cell strong {
    color: var(--color-text);
  }
}

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

/* --- worked-example --- */
.worked-example {
  background-color: var(--color-surface);
  padding: 1.75rem;
  border-radius: var(--radius);
  margin: 1.5em 0;
  box-shadow: var(--shadow-md);
}

.worked-example p {
  text-align: left;
  color: var(--color-text);
}

.worked-example code {
  font-family: var(--font-mono);
  font-weight: 500;
}

.worked-example .result {
  font-size: 1.1em;
  font-weight: 700;
  color: var(--color-accent);
}

.worked-example hr {
  margin: 1rem 0;
  border-top: 1px dashed var(--color-border);
}

/* --- section-bridge --- */
.section-bridge {
  text-align: center;
  margin: 2.5em 0;
  position: relative;
}

.section-bridge p {
  text-align: center;
  font-style: italic;
  color: var(--color-accent);
  display: inline;
}

.section-bridge::before,
.section-bridge::after {
  content: '\2014\2014';
  color: var(--color-border);
  margin: 0 0.75em;
  font-size: 0.9em;
}

/* --- card-grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin: 1.5em 0;
}

.card-grid .card {
  background-color: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card-grid .card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-grid .card p {
  text-align: left;
  color: var(--color-text);
  margin-bottom: 0.5em;
}

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

/* --- comparison / comparison-table --- */
.comparison,
.comparison-table {
  margin: 1.5em 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.comparison table,
.comparison-table table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.comparison th,
.comparison-table th {
  background-color: var(--color-primary);
  color: var(--color-neutral-light);
  font-weight: 600;
  font-size: 0.9em;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.85em 1em;
  text-align: left;
}

.comparison td,
.comparison-table td {
  padding: 0.75em 1em;
  color: var(--color-text);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.comparison tr:nth-child(even) td,
.comparison-table tr:nth-child(even) td {
  background-color: rgba(0,212,170,0.03);
}

.comparison tr:hover td,
.comparison-table tr:hover td {
  background-color: rgba(247,147,26,0.05);
}

@media (prefers-color-scheme: dark) {
  .comparison th,
  .comparison-table th {
    background-color: #1A2744;
    color: #C9D1D9;
  }
  .comparison td,
  .comparison-table td {
    background-color: var(--color-surface);
  }
  .comparison tr:nth-child(even) td,
  .comparison-table tr:nth-child(even) td {
    background-color: rgba(0,212,170,0.03);
  }
}

/* --- step-card --- */
.step-card {
  background-color: var(--color-surface);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin: 1em 0;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-accent);
}

.step-card p {
  text-align: left;
  color: var(--color-text);
  margin-bottom: 0.5em;
}

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

/* --- stat-badge --- */
.stat-badge {
  display: inline-block;
  background-color: var(--color-accent-teal);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3em 0.8em;
  border-radius: 100px;
  margin: 0.25em 0.25em;
}

@media (prefers-color-scheme: dark) {
  .stat-badge {
    color: #0D1117;
  }
}

/* --- pro-con-block --- */
.pro-con-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin: 1.5em 0;
}

.pro-con-block .pro-col {
  border-top: 3px solid var(--color-success);
  padding-top: 1rem;
}

.pro-con-block .con-col {
  border-top: 3px solid var(--color-danger);
  padding-top: 1rem;
}

.pro-con-block h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.pro-con-block .pro-col h4 {
  color: var(--color-success);
}

.pro-con-block .con-col h4 {
  color: var(--color-danger);
}

.pro-con-block p,
.pro-con-block li {
  text-align: left;
  color: var(--color-text);
  font-size: 0.95em;
}

@media (max-width: 600px) {
  .pro-con-block {
    grid-template-columns: 1fr;
  }
}

/* --- tldr --- */
.tldr {
  background-color: var(--color-surface);
  border-left: 4px solid var(--color-accent);
  padding: 1.5rem 1.75rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow-sm);
}

.tldr h2 {
  font-size: clamp(1.1rem, 1.8vw, 1.25rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.tldr p,
.tldr li {
  text-align: left;
  color: var(--color-text);
}

/* --- faq-accordion (details/summary) --- */
details {
  border-bottom: 1px solid var(--color-border);
  interpolate-size: allow-keywords;
}

summary {
  cursor: pointer;
  padding: 1rem 2rem 1rem 0;
  font-weight: 600;
  color: var(--color-text);
  position: relative;
  list-style: none;
  transition: color var(--transition);
}

summary::-webkit-details-marker {
  display: none;
}

summary::marker {
  content: '';
}

summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  transition: transform var(--transition);
}

details[open] summary::after {
  content: '\2212';
  transform: translateY(-50%) rotate(0deg);
}

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

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

::details-content {
  opacity: 0;
  block-size: 0;
  overflow: hidden;
  content-visibility: hidden;
  transition: opacity 0.3s ease, block-size 0.3s ease, content-visibility 0.3s ease allow-discrete;
}

details[open]::details-content {
  opacity: 1;
  block-size: auto;
  content-visibility: visible;
}

/* Fallback for older browsers */
@supports not selector(::details-content) {
  details[open] > *:not(summary) {
    animation: fade-in 0.3s ease forwards;
  }
  @keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
  }
}

details div {
  padding-bottom: 1rem;
}

details div p {
  text-align: left;
  color: var(--color-text);
}

/* === 5. Hero Section === */
[data-content="hero"] {
  max-width: none;
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: 0;
  position: relative;
  background: linear-gradient(170deg, #0A1628 0%, #1A2744 100%);
  overflow: hidden;
}

[data-content="hero"]::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(0,212,170,0.05) 39px, rgba(0,212,170,0.05) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(0,212,170,0.05) 39px, rgba(0,212,170,0.05) 40px);
  pointer-events: none;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(0,0,0,1) 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(0,0,0,1) 0%, transparent 100%);
}

[data-content="hero"]::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 50% 40%, rgba(247,147,26,0.06) 0%, transparent 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(4rem, 10vw, 7rem) 1.25rem clamp(3rem, 8vw, 5rem);
}

[data-content="hero"] h1 {
  font-family: var(--font-body);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  color: #FFFFFF;
  text-align: left;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

[data-content="hero"] figure {
  margin-top: 2rem;
}

[data-content="hero"] .hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius);
}

[data-content="hero"] figcaption {
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.date-badge {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  background-color: rgba(255,255,255,0.08);
  padding: 0.35em 0.8em;
  border-radius: 100px;
}

.trust-marker {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-teal);
}

.hero-start-reading {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.7em 1.5em;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-primary);
  background-color: var(--color-accent);
  border: none;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity var(--transition), transform var(--transition);
}

.hero-start-reading:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* === 5b. TOC — horizontal compact bar === */
[data-content="toc"] {
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
  padding: 1.5rem 1.25rem;
}

.toc-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.toc-bar a {
  display: inline-flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.4em 0.85em;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: border-color var(--transition), color var(--transition), background-color var(--transition);
  white-space: nowrap;
}

.toc-bar a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(247,147,26,0.05);
}

.toc-bar a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* === 6. Media queries === */
@media (max-width: 768px) {
  [data-content] {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .toc-bar {
    gap: 0.4rem;
  }

  .toc-bar a {
    font-size: 0.72rem;
    padding: 0.35em 0.7em;
  }
}

/* === Header & Footer === */
header {
  /* empty header, no visual gap */
}


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

/* Header Base */
.site-header {
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border, #333);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Mobile defaults for navigation bar */
.top-navigation-bar {
    width: 100%;
    margin: 0 auto;
    padding: 15px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* --- LOGO FIXES --- */
.site-logo img {
    max-height: 75px; /* Optimal height for most logos */
    width: auto !important; /* Prevents squishing */
    display: block;
    transition: transform 0.2s ease;
}

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

/* --- DESKTOP MENU --- */
.site-nav--desktop {
    display: none; /* Hidden on mobile by default */
}

/* Desktop Grid Layout: Logo left, Menu center */
@media (min-width: 1024px) {
    .top-navigation-bar {
        max-width: 100%;
        padding: 15px 40px; /* Safe padding from screen edges */
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
    }
    
    .site-logo {
        grid-column: 1;
        justify-self: start; /* Locks logo to the left edge */
        margin: 0;
    }

    .site-nav--desktop {
        display: block;
        grid-column: 2;
        justify-self: center; /* Locks menu perfectly in the center */
    }

    .mobile-controls {
        display: none; /* Hide burger on desktop */
    }
    
    .menu-desktop {
        display: flex;
        gap: 30px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    .menu-desktop a {
        text-decoration: none;
        color: var(--color-text);
        font-family: var(--font-body, sans-serif);
        font-weight: 500;
        font-size: 16px;
        transition: color 0.2s ease;
    }
    
    .menu-desktop a:hover {
        color: var(--color-accent);
    }
}

/* --- 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 (Scommesse BTC IT)
   ========================================= */
.site-footer-4col {
    background-color: #020617; /* Very deep dark blue/black */
    color: #94a3b8;
    padding: 60px 20px 30px;
    margin-top: 80px;
    font-family: var(--font-body, sans-serif);
    border-top: 3px solid var(--color-accent, #f59e0b); /* Amber accent border */
}

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

/* Legal Disclaimers Block */
.footer-disclaimers {
    font-size: 0.85rem;
    color: #64748b;
    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, #f59e0b);
    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;
    }
}

/* Amber Titles */
.widget-title {
    color: var(--color-accent, #f59e0b); 
    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: #94a3b8;
    line-height: 1.5;
}

.widget-list a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s ease;
}

.widget-list a:hover {
    color: var(--color-accent, #f59e0b);
}

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

.bullet-list li::before {
    content: '•';
    color: var(--color-accent, #f59e0b); 
    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: #475569;
    text-align: center;
}

/* Back to Top Button */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--color-accent, #f59e0b);
    color: #000;
    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: #fbbf24;
    transform: translateY(-5px);
}

body {
  overflow-x: clip;
}

@media (max-width: 900px) {
    html, body {
        overflow-x: hidden !important; 
        width: 100% !important;
        max-width: 100vw !important;
    }

    main {
        display: block !important;
        width: 100% !important;
        overflow-x: hidden !important;
    }

    [data-content="hero"], 
    main:not(:has([data-content="toc"])) [data-content="hero"],
    .article-hero,
    .cl-hero {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 1rem !important; 
        padding-right: 1rem !important;
        box-sizing: border-box !important;
    }
    
    .tldr, [data-content], article {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
    }
}


h1, h2, h3, h4, h5, h6 {
    color: var(--color-text) !important;
}