:root {
  --color-bg: #FAF6F0;
  --color-surface: #FFFFFF;
  --color-text: #23201C;
  --color-text-muted: #78716A;
  --color-accent: #D9622B;
  --color-accent-soft: #FBE7D9;
  --color-border: #EAE2D6;
  --radius: 16px;
  --shadow: 0 4px 16px rgba(35, 32, 28, 0.06);
  --shadow-hover: 0 10px 28px rgba(35, 32, 28, 0.12);
  --font-serif: "Noto Serif KR", serif;
  --font-sans: "Noto Sans KR", -apple-system, "Malgun Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  margin: 0;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(250, 246, 240, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header__logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.site-header__nav a {
  margin-left: 1.5rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}

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

/* Main */
.site-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* Hero */
.hero {
  padding: 4.5rem 0 3rem;
  text-align: center;
}

.hero__eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  margin: 0 0 0.75rem;
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.35;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}

.hero__desc {
  max-width: 480px;
  margin: 0 auto 2rem;
  color: var(--color-text-muted);
  font-size: 1.02rem;
}

.button {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

/* Section */
.section {
  padding: 2rem 0;
}

.section__title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
}

.section__title--page {
  font-size: 2rem;
  margin-top: 0.25rem;
}

/* Book grid / cards */
.book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.1rem;
}

.book-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

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

.book-card__genre {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.8rem;
}

.book-card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.5;
  margin: 0 0 0.6rem;
}

.book-card__meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Legacy list (kept for compatibility) */
.book-list {
  list-style: none;
  padding: 0;
}

.book-list__item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.book-list__meta {
  color: var(--color-text-muted);
  margin-left: 0.5rem;
  font-size: 0.9rem;
}

/* Book review detail page */
.book-review {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow);
  margin-top: 1.5rem;
}

.book-review__header h1 {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  margin: 0.6rem 0 0.9rem;
  letter-spacing: -0.01em;
}

.book-review__meta span {
  margin-right: 1.2rem;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.book-review__body {
  margin: 1.75rem 0;
  font-size: 1.02rem;
}

.book-review__body p {
  margin: 0 0 1.1rem;
}

.book-review__insights,
.book-review__action-results {
  background: var(--color-bg);
  border-radius: 12px;
  padding: 1.4rem 1.6rem;
  margin: 1.5rem 0;
}

.book-review__insights h2,
.book-review__action-results h2 {
  font-size: 1.05rem;
  margin: 0 0 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.section-icon {
  font-size: 1rem;
}

.book-review__insights ul,
.book-review__action-results ul {
  margin: 0;
  padding-left: 1.2rem;
}

.book-review__insights li,
.book-review__action-results li {
  margin-bottom: 0.5rem;
}

.book-review__tags {
  margin-top: 2rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--color-border);
}

.tag {
  display: inline-block;
  margin: 0 0.4rem 0.4rem 0;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 600;
}

/* Static pages (about/contact/privacy/terms) */
.site-main h1 {
  font-family: var(--font-serif);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: 3rem;
}

.site-footer__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.site-footer__inner a {
  margin-right: 1.2rem;
}

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

@media (max-width: 600px) {
  .site-header__inner {
    flex-direction: column;
    gap: 0.6rem;
  }

  .site-header__nav a {
    margin: 0 0.75rem;
  }

  .book-review {
    padding: 1.5rem;
  }
}