/* ==============================
   1. CSS Variables & Reset
   ============================== */
:root {
  --color-accent: #C8502D;
  --color-accent-hover: #A63E20;
  --color-bg: #FAFAF7;
  --color-hero-tint: #F5F0E8;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-border: #D4CFC7;
  --color-surface: #F2EDE5;
  --color-success: #2D8C4E;
  --color-danger: #C8502D;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --section-gap: clamp(80px, 10vw, 140px);
  --content-width: 850px;
  --h1-size: clamp(36px, 6vw, 52px);
  --h2-size: clamp(24px, 3.5vw, 32px);
  --h3-size: clamp(18px, 2.5vw, 22px);
  --body-size: 18px;
  --caption-size: 14px;
  --mono-size: 15px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1A1A1A;
    --color-hero-tint: #242018;
    --color-text: #E8E6E1;
    --color-text-secondary: #9A9A9A;
    --color-border: #3D3A35;
    --color-surface: #2A2520;
    --color-accent: #E06A42;
    --color-accent-hover: #F07D55;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--body-size);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

article {
  max-width: 900px;
  margin: 0 auto;
  margin-top: 35px;
  margin-bottom: 75px;
}

.breadcrumbs {
  max-width: 880px;
  width: 90%;
  padding-left: 15px;
  margin: 0 auto;
  margin-top: 75px;
  
}

.date-block {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.title {
  margin-bottom: 70px;
}

.content {
  padding: 15px;
}

/* ==============================
   2. General Typography
   ============================== */
h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--h1-size);
  line-height: 1.1;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 35px;
  text-align: center;
}

h2, .toc-wrap__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--h2-size);
  line-height: 1.2;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text);
  text-align: left;
  scroll-margin-top: 2rem;
}

h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--h3-size);
  line-height: 1.35;
  color: var(--color-text);
  text-align: left;
  scroll-margin-top: 2rem;
}

p {
  text-align: justify;
  margin-bottom: 1em;
}

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

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

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

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

strong {
  font-weight: 600;
}

blockquote {
  border-left: 3px solid var(--color-border);
  padding-left: 20px;
  margin: 24px 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

main ul, ol {
  padding-left: 0.5em;
  margin-bottom: 1em;
  text-align: left;
}

li {
  margin-bottom: 0.4em;
  text-align: left;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 32px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 16px;
}

th, td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
}

th {
  font-weight: 600;
  font-size: var(--caption-size);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
}

figure {
  margin: 32px 0;
}

figcaption {
  font-size: var(--caption-size);
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 12px;
}

/* ==============================
   3. Layout — Sections
   ============================== */
header {
  padding: 0;
  margin: 0;
}

main {
  width: 100%;
}

[data-content] {
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 24px;
  margin-bottom: var(--section-gap);
}

[data-content] h2 {
  margin-bottom: 24px;
}

[data-content] h3 {
  margin-top: 40px;
  margin-bottom: 16px;
}

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

.hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 6px;
}

.article-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
}

.article-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

/* --- info-box --- */
.info-box {
  border-left: 4px solid var(--color-accent);
  background: transparent;
  padding: 24px 24px 24px 28px;
  margin: 40px 0;
}

.info-box p {
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
}

.info-box p:first-child {
  font-weight: 600;
  margin-bottom: 8px;
}

/* --- odds-example --- */
.odds-example {
  background: var(--color-surface);
  border-radius: 8px;
  padding: 32px;
  margin: 40px 0;
  text-align: center;
}

.odds-example p {
  text-align: center;
  color: var(--color-text);
  background: var(--color-surface);
}

.odds-example p:first-child {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--caption-size);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
  text-align: center;
  color: var(--color-text);
}

.odds-example p:last-child {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 28px;
  color: var(--color-accent);
  text-align: center;
}

/* --- callout --- */
.callout {
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  background: transparent;
  padding: 20px 24px;
  margin: 32px 0;
}

.callout p {
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
}

/* --- card-grid --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.card-grid > div {
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 24px;
  background: var(--color-bg);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card-grid > div:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transform: translateY(-2px);
}

.card-grid p {
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
}

.card-grid p:first-child {
  font-weight: 600;
  margin-bottom: 8px;
}

/* --- comparison --- */
.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin: 40px 0;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  overflow: hidden;
}

.comparison > div {
  padding: 24px;
}

.comparison > div:first-child {
  border-right: 1px solid var(--color-border);
}

.comparison p {
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
}

.comparison p:first-child {
  font-weight: 600;
  font-size: var(--caption-size);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  color: var(--color-text-secondary);
}

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

/* --- key-takeaway --- */
.key-takeaway {
  border-top: 2px solid var(--color-accent);
  padding-top: 24px;
  margin: 48px 0;
}

.key-takeaway p {
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(20px, 2.5vw, 24px);
  line-height: 1.4;
  color: var(--color-text);
}

/* --- fun-fact --- */
.fun-fact {
  position: relative;
  padding-left: 24px;
  margin: 32px 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;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text-secondary);
}

/* --- glossary-term --- */
.glossary-term {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 24px 0;
}

.glossary-term p {
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

.glossary-term p strong {
  font-family: var(--font-mono);
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 16px;
  white-space: nowrap;
}

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

/* --- dos-donts --- */
.dos-donts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 40px 0;
}

.dos-donts > div {
  padding-top: 16px;
}

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

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

.dos-donts p {
  text-align: left;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--caption-size);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
  color: var(--color-text);
}

.dos-donts > div:first-child p strong {
  color: var(--color-success);
}

.dos-donts > div:last-child p strong {
  color: var(--color-danger);
}

.dos-donts ul {
  list-style: none;
  padding-left: 0;
}

.dos-donts li {
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
  padding-left: 24px;
  position: relative;
  margin-bottom: 8px;
  line-height: 1.6;
}

.dos-donts > div:first-child li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

.dos-donts > div:last-child li::before {
  content: '\2717';
  position: absolute;
  left: 0;
  color: var(--color-danger);
  font-weight: 700;
}

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

/* --- pre-bet-checklist --- */
.pre-bet-checklist {
  margin: 40px 0;
}

.pre-bet-checklist > p {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--caption-size);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  text-align: left;
  margin-bottom: 16px;
}

.pre-bet-checklist ul {
  list-style: none;
  padding-left: 24px;
  border-left: 2px solid var(--color-border);
}

.pre-bet-checklist li {
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
  position: relative;
  padding-left: 24px;
  margin-bottom: 16px;
  line-height: 1.6;
}

.pre-bet-checklist li::before {
  content: '\2610';
  position: absolute;
  left: -13px;
  color: var(--color-accent);
  font-size: 16px;
  background: var(--color-bg);
  padding: 0 2px;
}

/* --- at-a-glance --- */
.at-a-glance {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0;
  margin: 40px 0;
}

.at-a-glance > div {
  padding: 20px;
  border-right: 1px solid var(--color-border);
  text-align: center;
}

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

.at-a-glance p {
  text-align: center;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-text);
}

.at-a-glance p:first-child {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.5vw, 24px);
  margin-bottom: 8px;
  text-align: center;
  color: var(--color-text);
}

@media (max-width: 600px) {
  .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;
  }
}

/* --- worked-example --- */
.worked-example {
  background: var(--color-surface);
  border-radius: 8px;
  padding: 32px;
  margin: 40px 0;
}

.worked-example p {
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-surface);
}

.worked-example p:first-child {
  font-weight: 600;
  margin-bottom: 12px;
  text-align: left;
  color: var(--color-text);
}

.worked-example p + p {
  position: relative;
  padding-left: 20px;
}

.worked-example p + p::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.worked-example p:first-child + p::before {
  content: none;
}

.worked-example p:last-child {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-accent);
  margin-top: 12px;
  padding-left: 0;
  text-align: left;
  background: var(--color-surface);
}

.worked-example p:last-child::before {
  content: none;
}

/* --- section-bridge --- */
.section-bridge {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 60px auto;
  max-width: 600px;
}

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

.section-bridge p {
  text-align: center;
  font-family: var(--font-body);
  font-style: italic;
  font-size: 16px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .section-bridge p {
    white-space: normal;
    font-size: 15px;
  }
}

/* ==============================
   5. Hero Section
   ============================== */
[data-content="hero"] {
  max-width: none;
  padding: 0;
  margin-bottom: var(--section-gap);
  background: var(--color-hero-tint);
  position: relative;
  overflow: hidden;
}

[data-content="hero"] .hero-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: clamp(60px, 10vw, 100px) 24px 0;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
}

.hero-pattern svg {
  position: absolute;
  top: 50%;
  right: -5%;
  transform: translateY(-50%);
  width: 55%;
  height: auto;
  opacity: 0.07;
}

.hero-category {
  font-family: var(--font-body);
  font-size: var(--caption-size);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 16px;
  text-align: center;
}

[data-content="hero"] h1 {
  margin-bottom: 16px;
  text-align: center;
}

.hero-subtitle {
  font-family: var(--font-body);
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 400;
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 24px;
}

.hero-divider {
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  margin: 0 auto 24px;
  border: none;
}

.hero-meta {
  font-size: var(--caption-size);
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-meta time {
  color: var(--color-text-secondary);
}

.hero-badge {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: 3px;
  padding: 3px 8px;
  display: inline-block;
}

[data-content="hero"] figure {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

[data-content="hero"] figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
}

[data-content="hero"] figure figcaption {
  font-size: var(--caption-size);
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 12px;
  padding-bottom: 48px;
}

/* Hero fade to page bg */
[data-content="hero"]::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  pointer-events: none;
}

/* ==============================
   6. TOC — Horizontal Strip
   ============================== */
[data-content="toc"] {
  max-width: 960px;
  margin-bottom: var(--section-gap);
}

.toc-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
}

.toc-strip a {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 6px 14px;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.toc-strip a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: transparent;
}

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

@media (max-width: 600px) {
  .toc-strip {
    justify-content: flex-start;
  }
  .toc-strip a {
    font-size: 12px;
    padding: 5px 10px;
  }
}

/* ==============================
   7. FAQ Accordion
   ============================== */
details {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}

summary {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--body-size);
  color: var(--color-text);
  cursor: pointer;
  padding: 20px 40px 20px 0;
  position: relative;
  list-style: none;
  text-align: left;
  transition: color 0.2s ease;
}

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

summary::marker {
  display: none;
  content: '';
}

summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 300;
  color: var(--color-text-secondary);
  transition: transform 0.3s ease;
}

details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

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

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

details {
  interpolate-size: allow-keywords;
}

::details-content {
  opacity: 0;
  block-size: 0;
  overflow: 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;
}

details div > p {
  padding-bottom: 20px;
  text-align: left;
  color: var(--color-text);
}

/* Fallback for older browsers */
@supports not selector(::details-content) {
  @keyframes fade-in {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
  }
  details[open] > *:not(summary) {
    animation: fade-in 0.3s ease forwards;
  }
}

/* ==============================
   9. Media Queries
   ============================== */
@media (max-width: 768px) {
  [data-content] {
    padding: 0 16px;
  }

  [data-content="hero"] .hero-inner {
    padding: clamp(40px, 8vw, 60px) 16px 0;
  }

  [data-content="hero"] figure {
    padding: 0 16px;
  }

  .hero-pattern svg {
    width: 70%;
    right: -10%;
  }
}