/* Custom Theme based on User Palette */
:root {
  /* Palette variables */
  --color-cream: #faf9f5;
  --color-cream-card: #f0ede6;
  --color-charcoal: #141413;
  --color-stone: #b0aea5;
  --color-sand: #e8e6dc;
  --color-terracotta: #d97757;
  --color-terracotta-dark: #b85c3a;

  /* Reveal standard variables overrides */
  --r-background-color: var(--color-cream);
  --r-main-font: 'Inter', Helvetica, sans-serif;
  --r-main-font-size: 64px;
  --r-main-color: var(--color-charcoal);
  --r-block-margin: 20px;
  --r-heading-margin: 0 0 20px 0;
  --r-heading-font: 'Inter', Helvetica, sans-serif;
  --r-heading-color: var(--color-charcoal);
  --r-heading-line-height: 1.2;
  --r-heading-letter-spacing: normal;
  --r-heading-text-transform: none;
  --r-heading-text-shadow: none;
  --r-heading-font-weight: 800;
  --r-heading1-size: 2.2em;
  --r-heading2-size: 1.6em;
  --r-heading3-size: 1.3em;
  --r-heading4-size: 1em;
  --r-code-font: 'Courier New', monospace;
  --r-link-color: var(--color-terracotta);
  --r-link-color-hover: var(--color-terracotta-dark);
  --r-selection-background-color: var(--color-sand);
  --r-selection-color: var(--color-charcoal);
}

body, .reveal {
  color: var(--r-main-color);
  background-color: var(--r-background-color);
  font-family: var(--r-main-font);
}

.reveal .slide-background {
  background-color: var(--r-background-color);
}

/* Global Alignment */
.reveal section {
  text-align: left;
}

/* Typography Overrides */
.reveal h1, .reveal h2, .reveal h3, .reveal h4, .reveal h5, .reveal h6 {
  color: var(--color-charcoal);
  font-weight: 800;
  margin-bottom: 30px;
}

.reveal h1 { 
    color: var(--color-terracotta); 
    text-align: center;
} 

.reveal h2 { 
    color: var(--color-terracotta); 
    border-bottom: 2px solid var(--color-sand);
    padding-bottom: 10px;
    display: inline-block;
} 

.reveal strong {
  color: var(--color-terracotta);
}

.reveal p, .reveal li {
   line-height: 1.5;
   font-weight: 400;
}

.text-muted {
  color: var(--color-stone);
}

/* Layout Helpers */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.flex-col {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Components */
.card {
  background-color: var(--color-cream-card);
  border: 1px solid var(--color-sand);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 6px rgba(20, 20, 19, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(20, 20, 19, 0.08);
}

.card h3 {
    margin-top: 0;
    color: var(--color-charcoal);
    font-weight: 700;
    border: none;
}

.card p, .card li {
    color: var(--color-charcoal);
    font-size: 0.85em;
}

.card strong {
    font-weight: 700;
}

.tag {
    display: inline-block;
    color: var(--color-cream);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.5em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    vertical-align: middle;
}

.tag-theory { background: var(--color-stone); color: var(--color-charcoal); }
.tag-prac { background: var(--color-terracotta); color: var(--color-cream); }

code {
    background-color: var(--color-cream-card);
    color: var(--color-terracotta);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 0.85em;
    font-weight: 600;
}

pre {
    font-family: var(--r-code-font);
    white-space: pre;
    word-wrap: normal;
    overflow-x: auto;
}

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

.step-list li {
    position: relative;
    padding-left: 50px;
    margin-bottom: 25px;
}

.step-list li::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: -2px;
    width: 36px;
    height: 36px;
    background-color: var(--color-cream-card);
    color: var(--color-terracotta);
    border: 2px solid var(--color-terracotta);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.8em;
}

body {
    counter-reset: step-counter;
}

/* Progress and Controls styling override */
.reveal .progress {
    color: var(--color-terracotta);
}

.reveal .controls {
    color: var(--color-terracotta);
}

/* Roadmap Visual */
.roadmap-container {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}
.roadmap-item {
    display: flex;
    align-items: center;
    background: var(--color-cream-card);
    border-radius: 12px;
    padding: 15px 25px;
    border-left: 6px solid var(--color-stone);
    transition: transform 0.2s;
}
.roadmap-item:hover {
    transform: translateX(10px);
}
.roadmap-item.active {
    border-left-color: var(--color-terracotta);
    background: white;
    box-shadow: 0 4px 15px rgba(217, 119, 87, 0.15);
}
.roadmap-number {
    font-size: 1.5em;
    font-weight: 800;
    color: var(--color-stone);
    margin-right: 20px;
    min-width: 40px;
}
.roadmap-item.active .roadmap-number {
    color: var(--color-terracotta);
}