:root {
  --color-bg: #0c0b10;
  --color-surface: #16151d;
  --color-border: #2a2838;
  --color-text: #d8d5e0;
  --color-muted: #8885a0;
  --color-accent: #c0392b;
  --color-accent-hover: #e74c3c;
  --color-accent-glow: rgba(192, 57, 43, 0.25);
  --color-gold: #d4a853;
  --color-white: #ffffff;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-sans:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --max-width: 1100px;
  --radius: 8px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover {
  color: var(--color-accent-hover);
}

/* --- Navigation --- */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 2rem;
  width: 100%;
}

.logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-gold);
  font-style: italic;
}
.logo:hover {
  color: var(--color-white);
}

.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-links a {
  color: var(--color-muted);
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--color-white);
}

/* --- Hero (Book) --- */
.hero {
  padding: 6rem 2rem 5rem;
  background: radial-gradient(
    ellipse at 30% 20%,
    var(--color-accent-glow) 0%,
    transparent 60%
  );
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 4rem;
}

.hero-cover {
  flex-shrink: 0;
}

.hero-cover img {
  width: 320px;
  height: auto;
  border-radius: 4px;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px var(--color-accent-glow);
}

.hero-text {
  flex: 1;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.hero-author {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-style: italic;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
}

.hero-blurb {
  font-size: 1.05rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 520px;
}

.hero-coming-soon {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  padding: 0.3rem 1rem;
  border-radius: 4px;
  margin-bottom: 1.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 20px var(--color-accent-glow);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 6px 30px var(--color-accent-glow);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* --- Pull Quote --- */
.pull-quote-section {
  padding: 4rem 2rem;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pull-quote-inner {
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
}

.pull-quote {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--color-white);
  border: none;
  padding: 0;
  margin: 0 0 1rem;
}

.pull-quote-inner cite {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-gold);
  font-style: normal;
  letter-spacing: 0.03em;
}

/* --- What's Inside --- */
.whats-inside {
  padding: 5rem 2rem;
}

.whats-inside-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.whats-inside h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-white);
  text-align: center;
  margin-bottom: 2.5rem;
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.part-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.part-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.part-number {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.part-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.part-card p {
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.whats-inside-cta {
  text-align: center;
  margin-top: 2.5rem;
}

/* --- Single Article / Page --- */
.single {
  max-width: 750px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

.single h1 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.single time {
  display: block;
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.content h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-white);
  margin: 2.5rem 0 1rem;
}

.content h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-white);
  margin: 1.5rem 0 0.75rem;
}

.content p {
  margin-bottom: 1.25rem;
}

.content ul,
.content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.content li {
  margin-bottom: 0.5rem;
}

.content blockquote {
  border-left: 3px solid var(--color-gold);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-muted);
  font-size: 1.1rem;
}

/* --- List Page --- */
.list-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 4rem 2rem;
}

.list-page h1 {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

.list-intro {
  color: var(--color-muted);
  margin-top: 1rem;
  max-width: 600px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.feature-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

/* --- Home Content --- */
.home-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem;
}

/* --- Footer --- */
footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

footer p {
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .hero-inner {
    flex-direction: column;
    text-align: center;
  }
  .hero-cover img {
    width: 240px;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero-blurb {
    max-width: 100%;
  }
  .hero-cta {
    justify-content: center;
  }
  .top-nav {
    flex-direction: column;
    gap: 1rem;
  }
  .nav-links {
    gap: 1.25rem;
  }
  .pull-quote {
    font-size: 1.2rem;
  }
  .whats-inside h2 {
    font-size: 1.8rem;
  }
}