/* ===== Design tokens ===== */
:root {
  --color-bg: #fdf8f2;
  --color-surface: #ffffff;
  --color-surface-alt: #f3ecff;
  --color-text: #2b2440;
  --color-text-soft: #5e5577;
  --color-primary: #7c3aed;
  --color-primary-dark: #6526d9;
  --color-accent: #f59e0b;
  --color-accent-soft: #fef0d8;
  --color-border: #e8e0f5;
  --radius-lg: 32px;
  --radius-md: 24px;
  --radius-sm: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 6px 24px rgba(124, 58, 237, 0.10);
  --shadow-card-hover: 0 12px 32px rgba(124, 58, 237, 0.18);
  --font-display: "Fredoka", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --max-width: 960px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

a {
  color: var(--color-primary);
}

/* ===== Header / nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.875rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-soft);
  font-weight: 500;
  padding: 0.375rem 1rem;
  border-radius: var(--radius-pill);
  transition: background 0.15s, color 0.15s;
}

.nav-links a:hover {
  background: var(--color-surface-alt);
  color: var(--color-primary);
}

/* ===== Hero ===== */
.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 1.5rem 4rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-tagline {
  font-size: 1.2rem;
  color: var(--color-text-soft);
  max-width: 620px;
  margin: 0 auto 2rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-card);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-card-hover);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
}

/* ===== Sections ===== */
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem 1.5rem;
}

.section h2 {
  font-size: 2rem;
}

.section-intro {
  color: var(--color-text-soft);
  max-width: 760px;
  margin-bottom: 2rem;
}

.section-alt {
  max-width: none;
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  margin: 0 1rem;
}

.section-alt > * {
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

/* ===== Game cards ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.game-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-primary);
}

.game-card-emoji {
  font-size: 2.5rem;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.game-card h3 {
  font-size: 1.3rem;
}

.game-card p {
  margin: 0;
  color: var(--color-text-soft);
  flex-grow: 1;
}

.game-card-cta {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
}

/* ===== How it works steps ===== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.step {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.step h3 {
  font-size: 1.15rem;
}

.step p {
  margin: 0;
  color: var(--color-text-soft);
}

/* ===== FAQ + accordions ===== */
.faq-item,
.prompt-file {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-item summary,
.prompt-file summary {
  cursor: pointer;
  padding: 1.125rem 1.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq-item summary::-webkit-details-marker,
.prompt-file summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after,
.prompt-file summary::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform 0.2s;
  flex-shrink: 0;
}

.faq-item[open] summary::after,
.prompt-file[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  margin: 0;
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-soft);
}

/* ===== Game page ===== */
.game-hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 2rem;
}

.game-hero .game-emoji {
  font-size: 3.5rem;
  line-height: 1;
  display: block;
  margin-bottom: 1rem;
}

.game-hero h1 {
  font-size: clamp(2rem, 5vw, 2.75rem);
}

.game-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.tag {
  background: var(--color-accent-soft);
  color: #b45309;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.25rem 0.875rem;
  border-radius: var(--radius-pill);
}

.tag-tested {
  background: #e2f6e9;
  color: #1d7d44;
}

.tag-beta {
  background: #fce7f1;
  color: #b32567;
}

.card-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.compat-note {
  color: var(--color-text-soft);
  font-size: 0.9rem;
  max-width: 680px;
  margin-top: 1rem;
}

.game-length {
  color: var(--color-text-soft);
  font-size: 0.95rem;
  margin-top: 1rem;
  margin-bottom: 0;
}

.download-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.breadcrumb {
  max-width: var(--max-width);
  margin: 1.5rem auto 0;
  padding: 0 1.5rem;
  font-size: 0.9rem;
}

.breadcrumb a {
  text-decoration: none;
  color: var(--color-text-soft);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

/* ===== File tree ===== */
.file-tree {
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  white-space: pre;
  overflow-x: auto;
}

/* ===== Prompt text blocks ===== */
.prompt-file .prompt-body {
  position: relative;
  border-top: 2px solid var(--color-border);
}

.prompt-file pre {
  margin: 0;
  padding: 1.5rem;
  overflow-x: auto;
  background: #faf7ff;
  font-size: 0.875rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.copy-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: 0.375rem 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-primary);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.copy-btn:hover {
  border-color: var(--color-primary);
}

.copy-btn.copied {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

@media (max-width: 600px) {
  .nav-links {
    width: 100%;
    justify-content: center;
  }

  .hero {
    padding-top: 3rem;
  }
}