/* ═══════════════════════════════════════════════
   TA4U PUBLICATIONS — SHARED DESIGN SYSTEM
   ta4upublications.com
   ═══════════════════════════════════════════════ */

/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --parchment:  #FAF5EC;
  --parchment2: #F3EBD9;
  --parchment3: #EAE0CE;
  --terra:      #B84E22;
  --terra-lt:   #D46B3A;
  --terra-dk:   #8C3A18;
  --amber:      #8B6014;
  --ink:        #1A120A;
  --ink-soft:   #3D2B1A;
  --muted:      #7A6550;
  --cream:      #FFFCF5;
  --dark-hero:  #12100E;
  --white:      #ffffff;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans:  'DM Sans', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;

  --shadow-sm:  0 2px 8px rgba(26,18,10,0.08);
  --shadow-md:  0 8px 32px rgba(26,18,10,0.12);
  --shadow-lg:  0 20px 60px rgba(26,18,10,0.16);
  --shadow-book: 0 24px 60px rgba(26,18,10,0.30), 0 8px 20px rgba(26,18,10,0.18);
}

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

body {
  font-family: var(--font-sans);
  background: var(--parchment);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Paper grain */
body::before {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999; opacity: 0.018;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
  background-size: 200px;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  line-height: 1.12;
  color: var(--ink);
}

a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }
button { font-family: var(--font-sans); cursor: pointer; border: none; background: none; }

.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.container-sm { max-width: 760px; margin: 0 auto; padding: 0 32px; }

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0; transform: translateY(36px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.32s; }
.reveal-delay-4 { transition-delay: 0.44s; }

/* ─── EYEBROW LABEL ─── */
.eyebrow {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--terra); margin-bottom: 16px;
}
.eyebrow::before {
  content: ''; display: block;
  width: 28px; height: 1.5px; background: var(--terra);
  flex-shrink: 0;
}
.eyebrow-center { justify-content: center; }
.eyebrow-center::before { display: none; }

/* ─── SECTION SPACING ─── */
.section { padding: 100px 0; }
.section-sm { padding: 72px 0; }
.section-dark { background: var(--dark-hero); color: var(--cream); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--cream); }
.section-tinted { background: var(--parchment2); }

/* ─── DIVIDER ─── */
.divider {
  height: 1px; background: var(--parchment3);
  margin: 0 auto; max-width: 1180px;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 100px;
  font-size: 0.92rem; font-weight: 600;
  transition: all 0.22s ease; letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn-primary {
  background: var(--terra); color: #fff;
  box-shadow: 0 4px 18px rgba(184,78,34,0.30);
}
.btn-primary:hover {
  background: var(--terra-dk);
  box-shadow: 0 6px 24px rgba(184,78,34,0.40);
  transform: translateY(-1px);
}
.btn-secondary {
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--parchment3);
}
.btn-secondary:hover {
  border-color: var(--ink-soft);
  background: var(--parchment2);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent; color: var(--cream);
  border: 1.5px solid rgba(255,252,245,0.30);
}
.btn-ghost:hover {
  background: rgba(255,252,245,0.08);
  border-color: rgba(255,252,245,0.6);
}
.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.82rem; }

.btn-amazon {
  background: #FF9900; color: #111;
  box-shadow: 0 4px 14px rgba(255,153,0,0.30);
}
.btn-amazon:hover {
  background: #e68a00;
  transform: translateY(-1px);
}

/* ─── NAVIGATION ─── */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 200; height: 72px;
  display: flex; align-items: center;
  padding: 0 40px;
  justify-content: space-between;
  transition: background 0.35s, box-shadow 0.35s;
}
.site-nav.scrolled {
  background: rgba(250,245,236,0.96);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}
.site-nav.nav-dark { }
.site-nav.nav-dark.scrolled {
  background: rgba(18,16,14,0.96);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem; font-weight: 700;
  letter-spacing: 0.04em; color: var(--cream);
  transition: color 0.35s;
}
.site-nav.scrolled .nav-logo { color: var(--ink); }
.site-nav.nav-dark.scrolled .nav-logo { color: var(--cream); }

.nav-links {
  display: flex; align-items: center; gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 0.875rem; font-weight: 500;
  color: rgba(255,252,245,0.85);
  transition: color 0.2s; letter-spacing: 0.01em;
}
.nav-links a:hover { color: var(--cream); }
.site-nav.scrolled .nav-links a { color: var(--muted); }
.site-nav.scrolled .nav-links a:hover { color: var(--ink); }
.site-nav.nav-dark.scrolled .nav-links a { color: rgba(255,252,245,0.7); }
.site-nav.nav-dark.scrolled .nav-links a:hover { color: var(--cream); }

.nav-cta {
  font-size: 0.82rem; font-weight: 600;
  padding: 9px 22px; border-radius: 100px;
  background: var(--terra); color: #fff;
  transition: all 0.2s;
}
.nav-cta:hover { background: var(--terra-dk); }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 4px;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--cream); border-radius: 2px;
  transition: all 0.3s;
}
.site-nav.scrolled .nav-hamburger span { background: var(--ink); }

/* ─── MOBILE NAV ─── */
.nav-mobile-menu {
  display: none; position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--dark-hero);
  padding: 24px 32px 32px;
  z-index: 199; flex-direction: column; gap: 0;
  border-top: 1px solid rgba(255,252,245,0.06);
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  display: block; padding: 16px 0;
  font-size: 1.1rem; font-weight: 500;
  color: rgba(255,252,245,0.85);
  border-bottom: 1px solid rgba(255,252,245,0.06);
  transition: color 0.2s;
}
.nav-mobile-menu a:hover { color: var(--cream); }
.nav-mobile-menu .mobile-cta {
  margin-top: 20px; text-align: center;
  padding: 14px; background: var(--terra);
  border-radius: var(--radius-sm);
  color: #fff; font-weight: 600; border-bottom: none;
}

/* ─── HERO ─── */
.page-hero {
  min-height: 100vh;
  display: flex; align-items: center;
  background: var(--dark-hero);
  position: relative; overflow: hidden;
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(12,10,8,0.92) 40%, rgba(60,30,10,0.70) 100%);
  z-index: 1;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: 0; opacity: 0.4;
}
.page-hero-content {
  position: relative; z-index: 2;
  max-width: 1180px; margin: 0 auto; padding: 0 32px;
  padding-top: 100px; padding-bottom: 80px;
}
.page-hero h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 600; color: var(--cream);
  line-height: 1.05; margin-bottom: 24px;
  max-width: 840px;
}
.page-hero h1 em {
  font-style: italic; color: rgba(212,107,58,0.9);
}
.page-hero .hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,252,245,0.75);
  max-width: 560px; line-height: 1.65;
  margin-bottom: 40px;
}
.hero-buttons {
  display: flex; gap: 14px; flex-wrap: wrap;
}

/* Sub-page hero (shorter) */
.subpage-hero {
  padding: 160px 0 80px;
  background: var(--dark-hero);
  position: relative; overflow: hidden;
}
.subpage-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(12,10,8,0.85) 0%, rgba(12,10,8,0.70) 100%);
  z-index: 1;
}
.subpage-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: 0; opacity: 0.3;
}
.subpage-hero-content {
  position: relative; z-index: 2;
  max-width: 1180px; margin: 0 auto; padding: 0 32px;
}
.subpage-hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  color: var(--cream); max-width: 700px;
}
.subpage-hero p {
  color: rgba(255,252,245,0.7);
  font-size: 1.1rem; max-width: 520px;
  margin-top: 16px;
}

/* ─── BOOK CARD (grid use) ─── */
.book-card {
  background: var(--cream);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  display: flex; flex-direction: column;
}
.book-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.book-card-cover {
  aspect-ratio: 2/3;
  overflow: hidden;
  background: var(--parchment3);
  flex-shrink: 0;
}
.book-card-cover img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform 0.4s;
}
.book-card:hover .book-card-cover img { transform: scale(1.02); }
.book-card-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background: linear-gradient(135deg, #2a1f14, #1a120a);
}
.book-card-cover-placeholder span {
  font-family: var(--font-serif); font-size: 0.95rem;
  color: rgba(255,252,245,0.75); font-style: italic;
  text-align: center; line-height: 1.4;
}
.book-card-body {
  padding: 18px 20px 22px;
  display: flex; flex-direction: column; gap: 6px;
  flex: 1;
}
.book-card-tag {
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--terra);
}
.book-card-title {
  font-family: var(--font-serif);
  font-size: 1.05rem; font-weight: 600;
  line-height: 1.25; color: var(--ink);
}
.book-card-format {
  font-size: 0.72rem; color: var(--muted);
}
.book-card-cta {
  margin-top: auto; padding-top: 14px;
  font-size: 0.8rem; font-weight: 600;
  color: var(--terra); display: flex;
  align-items: center; gap: 5px;
  flex-wrap: wrap; row-gap: 8px;
  transition: gap 0.2s;
}
.book-card:hover .book-card-cta { gap: 10px; }
.book-card-cta::after { content: '→'; }
/* hide decorative arrow when real buttons are inside the CTA */
.book-card-cta:has(.btn)::after { display: none; }

/* ─── BOOKS GRID ─── */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 28px;
}

/* ─── TOPIC CATEGORY CARDS ─── */
.topic-card {
  background: var(--cream);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  cursor: pointer;
  transition: transform 0.28s, box-shadow 0.28s;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  display: block;
}
.topic-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}
.topic-card-icon {
  font-size: 2.4rem; margin-bottom: 18px;
  display: block;
}
.topic-card-name {
  font-family: var(--font-serif);
  font-size: 1.4rem; font-weight: 600;
  color: var(--ink); margin-bottom: 10px;
  line-height: 1.2;
}
.topic-card-desc {
  font-size: 0.88rem; color: var(--muted);
  line-height: 1.6; margin-bottom: 18px;
}
.topic-card-count {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--terra);
}

/* ─── AUTHOR CARD ─── */
.author-card {
  background: var(--cream);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s, box-shadow 0.28s;
}
.author-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.author-card-avatar {
  width: 72px; height: 72px;
  border-radius: 50%; overflow: hidden;
  background: var(--parchment3);
  margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.8rem; font-weight: 600; color: var(--terra);
}
.author-card-name {
  font-family: var(--font-serif);
  font-size: 1.5rem; font-weight: 600; margin-bottom: 6px;
}
.author-card-genre {
  font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--terra); margin-bottom: 14px;
}
.author-card-bio {
  font-size: 0.9rem; color: var(--muted);
  line-height: 1.65; margin-bottom: 20px;
}
.author-card-link {
  font-size: 0.85rem; font-weight: 600;
  color: var(--terra); display: flex;
  align-items: center; gap: 6px;
  transition: gap 0.2s;
}
.author-card:hover .author-card-link { gap: 12px; }
.author-card-link::after { content: '→'; }

/* ─── TESTIMONIAL ─── */
.testimonial-card {
  background: var(--cream);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.testimonial-stars {
  color: #F59E0B; font-size: 1rem;
  letter-spacing: 2px; margin-bottom: 18px;
}
.testimonial-quote {
  font-family: var(--font-serif);
  font-size: 1.15rem; line-height: 1.6;
  color: var(--ink-soft); font-style: italic;
  margin-bottom: 24px;
}
.testimonial-author {
  display: flex; align-items: center; gap: 14px;
}
.testimonial-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--parchment3);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif); font-size: 1.1rem;
  font-weight: 700; color: var(--terra); flex-shrink: 0;
}
.testimonial-name {
  font-weight: 600; font-size: 0.9rem; color: var(--ink);
}
.testimonial-title {
  font-size: 0.8rem; color: var(--muted);
}

/* ─── STAT BLOCK ─── */
.stat-block { text-align: center; }
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 700; color: var(--terra);
  line-height: 1; margin-bottom: 10px;
}
.stat-label {
  font-size: 0.85rem; color: var(--muted);
  font-weight: 500; letter-spacing: 0.02em;
}

/* ─── EMAIL CAPTURE / LEAD MAGNET ─── */
.lead-capture {
  background: linear-gradient(135deg, #1a0e06 0%, #2a1a0c 100%);
  border-radius: var(--radius-lg);
  padding: 60px 52px;
  color: var(--cream);
}
.lead-capture h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  color: var(--cream); margin-bottom: 14px;
}
.lead-capture p {
  color: rgba(255,252,245,0.7);
  font-size: 1rem; max-width: 480px;
  margin-bottom: 32px; line-height: 1.65;
}
.lead-form {
  display: flex; gap: 12px; flex-wrap: wrap;
  max-width: 480px;
}
.lead-form input[type="email"] {
  flex: 1; min-width: 220px;
  padding: 14px 20px; border-radius: 100px;
  border: 1.5px solid rgba(255,252,245,0.15);
  background: rgba(255,252,245,0.06);
  color: var(--cream); font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s;
  outline: none;
}
.lead-form input[type="email"]::placeholder { color: rgba(255,252,245,0.35); }
.lead-form input[type="email"]:focus { border-color: var(--terra-lt); }
.lead-form-disclaimer {
  font-size: 0.72rem; color: rgba(255,252,245,0.4);
  margin-top: 12px;
}

/* ─── SOCIAL PROOF BAR ─── */
.trust-bar {
  display: flex; align-items: center; gap: 40px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.85rem; color: var(--muted);
}
.trust-item-icon { font-size: 1.1rem; }
.trust-item-value {
  font-weight: 700; color: var(--ink);
}

/* ─── SECTION HEADER ─── */
.section-header { margin-bottom: 56px; }
.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
}
.section-header p {
  font-size: 1rem; color: var(--muted);
  max-width: 520px; margin-top: 14px;
  line-height: 1.65;
}
.section-header-center { text-align: center; }
.section-header-center p { margin-left: auto; margin-right: auto; }
.section-header-flex {
  display: flex; align-items: flex-end;
  justify-content: space-between; gap: 24px;
}

/* ─── FOOTER ─── */
.site-footer {
  background: var(--dark-hero);
  color: rgba(255,252,245,0.65);
  padding: 72px 0 40px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 56px;
}
.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.3rem; font-weight: 700;
  color: var(--cream); margin-bottom: 14px;
}
.footer-tagline {
  font-size: 0.88rem; line-height: 1.65;
  max-width: 260px; color: rgba(255,252,245,0.5);
  margin-bottom: 24px;
}
.footer-social {
  display: flex; gap: 14px; flex-wrap: wrap;
}
.footer-social a {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%; background: rgba(255,252,245,0.06);
  color: rgba(255,252,245,0.6); font-size: 0.85rem;
  transition: all 0.2s; text-decoration: none;
}
.footer-social a:hover {
  background: var(--terra);
  color: #fff;
}
.footer-col h4 {
  font-family: var(--font-sans); font-size: 0.72rem;
  font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: rgba(255,252,245,0.4);
  margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
  font-size: 0.88rem; color: rgba(255,252,245,0.6);
  transition: color 0.2s;
}
.footer-col ul li a:hover { color: var(--cream); }
.footer-bottom {
  border-top: 1px solid rgba(255,252,245,0.06);
  padding-top: 28px;
  display: flex; justify-content: space-between;
  align-items: center; gap: 20px; flex-wrap: wrap;
}
.footer-copy { font-size: 0.8rem; }
.footer-legal {
  display: flex; gap: 24px;
}
.footer-legal a {
  font-size: 0.8rem; color: rgba(255,252,245,0.45);
  transition: color 0.2s;
}
.footer-legal a:hover { color: rgba(255,252,245,0.7); }

/* ─── INDIVIDUAL BOOK PAGE ─── */
.book-hero {
  padding: 140px 0 80px;
  background: var(--dark-hero);
  position: relative; overflow: hidden;
}
.book-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(12,10,8,0.96) 50%, rgba(60,30,10,0.60) 100%);
  z-index: 1;
}
.book-hero-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  z-index: 0; filter: blur(2px); opacity: 0.25;
}
.book-hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: auto 1fr;
  gap: 72px; align-items: start;
  max-width: 1180px; margin: 0 auto; padding: 0 32px;
}
.book-hero-cover-wrap {
  width: 260px; flex-shrink: 0;
}
.book-hero-cover {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-book);
  transform: perspective(800px) rotateY(-4deg);
  transition: transform 0.4s;
}
.book-hero-cover:hover { transform: perspective(800px) rotateY(0deg); }
.book-hero-cover img { width: 100%; display: block; }
.book-hero-meta {}
.book-hero-breadcrumb {
  font-size: 0.78rem; color: rgba(255,252,245,0.4);
  margin-bottom: 16px;
}
.book-hero-breadcrumb a {
  color: rgba(255,252,245,0.4);
  transition: color 0.2s;
}
.book-hero-breadcrumb a:hover { color: rgba(255,252,245,0.7); }
.book-hero-tag {
  display: inline-block; margin-bottom: 18px;
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--terra-lt); padding: 5px 14px;
  border: 1px solid rgba(212,107,58,0.4);
  border-radius: 100px;
}
.book-hero h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  color: var(--cream); margin-bottom: 10px;
}
.book-hero-subtitle {
  font-family: var(--font-serif);
  font-size: 1.2rem; color: rgba(255,252,245,0.6);
  font-style: italic; margin-bottom: 18px;
}
.book-hero-author {
  font-size: 0.88rem; color: rgba(255,252,245,0.55);
  margin-bottom: 28px;
}
.book-hero-author span { color: var(--terra-lt); font-weight: 600; }
.book-hero-stars {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 32px;
}
.book-hero-stars .stars { color: #F59E0B; font-size: 1.1rem; }
.book-hero-stars .count { font-size: 0.88rem; color: rgba(255,252,245,0.5); }
.book-buy-buttons {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-bottom: 32px;
}
.book-formats {
  font-size: 0.8rem; color: rgba(255,252,245,0.4);
  display: flex; gap: 16px;
}
.book-formats span::before { content: '✓  '; color: var(--terra-lt); }

/* ─── BOOK BENEFITS / WHAT YOU'LL LEARN ─── */
.benefits-list {
  list-style: none; margin: 0; padding: 0;
}
.benefits-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 0; border-bottom: 1px solid var(--parchment3);
  font-size: 0.97rem; line-height: 1.55;
}
.benefits-list li:last-child { border-bottom: none; }
.benefits-list li::before {
  content: '✓'; flex-shrink: 0;
  width: 22px; height: 22px;
  background: var(--terra); color: #fff;
  border-radius: 50%; display: flex; align-items: center;
  justify-content: center; font-size: 0.7rem; font-weight: 700;
  margin-top: 2px;
}

/* ─── FILTER BUTTONS ─── */
.filter-bar {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 9px 20px; border-radius: 100px;
  font-size: 0.82rem; font-weight: 500;
  border: 1.5px solid var(--parchment3);
  color: var(--muted); background: transparent;
  cursor: pointer; transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--terra); border-color: var(--terra);
  color: #fff;
}

/* ─── FAQ ─── */
.faq-item {
  border-bottom: 1px solid var(--parchment3);
}
.faq-question {
  width: 100%; text-align: left;
  padding: 22px 0; display: flex;
  justify-content: space-between; align-items: center;
  font-family: var(--font-serif); font-size: 1.15rem;
  font-weight: 600; color: var(--ink);
  cursor: pointer; background: none; border: none;
  gap: 20px;
}
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--parchment2); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--terra);
  transition: transform 0.3s, background 0.2s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--terra); color: #fff; }
.faq-answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  font-size: 0.95rem; color: var(--muted); line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 500px; padding-bottom: 22px; }

/* ─── RELATED BOOKS ─── */
.related-books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(175px, 1fr));
  gap: 24px;
}

/* ─── GRIDS ─── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 28px; }

/* ─── INTERACTIVE TOOL / QUIZ ─── */
.tool-card {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 48px 44px;
  box-shadow: var(--shadow-md);
}
.tool-progress {
  height: 4px; background: var(--parchment3);
  border-radius: 2px; margin-bottom: 36px;
  overflow: hidden;
}
.tool-progress-fill {
  height: 100%; background: var(--terra);
  border-radius: 2px; transition: width 0.5s ease;
}
.tool-question {
  font-family: var(--font-serif);
  font-size: 1.6rem; font-weight: 600;
  margin-bottom: 28px; line-height: 1.3;
}
.tool-options { display: flex; flex-direction: column; gap: 12px; }
.tool-option {
  padding: 16px 22px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--parchment3);
  background: transparent; cursor: pointer;
  text-align: left; font-size: 0.95rem;
  color: var(--ink); font-family: var(--font-sans);
  transition: all 0.2s;
}
.tool-option:hover { border-color: var(--terra); background: rgba(184,78,34,0.04); }
.tool-option.selected { border-color: var(--terra); background: rgba(184,78,34,0.07); color: var(--terra); font-weight: 600; }

/* ─── BREADCRUMB ─── */
.breadcrumb {
  font-size: 0.82rem; color: var(--muted);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--muted); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--terra); }
.breadcrumb-sep { color: var(--parchment3); }

/* ─── HIGHLIGHT BOX ─── */
.highlight-box {
  background: linear-gradient(135deg, rgba(184,78,34,0.06), rgba(184,78,34,0.02));
  border-left: 3px solid var(--terra);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 24px 28px;
  font-size: 0.97rem; line-height: 1.65;
  color: var(--ink-soft);
}

/* ─── STICKY BUY BAR (mobile) ─── */
.sticky-buy-bar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  z-index: 100; padding: 14px 20px;
  background: rgba(18,16,14,0.97);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255,252,245,0.08);
  align-items: center; gap: 14px;
}
.sticky-buy-bar .book-mini-title {
  flex: 1; font-family: var(--font-serif);
  font-size: 0.95rem; color: var(--cream);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .book-hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .book-hero-cover-wrap { width: 220px; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .container-sm { padding: 0 20px; }
  .section { padding: 72px 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .site-nav { padding: 0 20px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .books-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .lead-capture { padding: 40px 28px; }
  .book-hero { padding: 110px 0 60px; }
  .section-header-flex { flex-direction: column; align-items: flex-start; }
  .sticky-buy-bar { display: flex; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { text-align: center; justify-content: center; }
  .trust-bar { gap: 20px; }
}

@media (max-width: 480px) {
  .books-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .book-hero-cover-wrap { width: 180px; }
  .lead-form { flex-direction: column; }
  .lead-form input[type="email"] { min-width: unset; width: 100%; }
  .tool-card { padding: 32px 24px; }
}