/* ═══════════════════════════════════════════════════════════
   THE CUBE BLUEPRINT — Global Stylesheet
   Primary: #4B0082 (Indigo) | Teal accent: #0F766E
   ═══════════════════════════════════════════════════════════ */

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: #ffffff;
  color: #111827;
  line-height: 1.6;
}

/* ─── TYPOGRAPHY ─── */
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; }
a { text-decoration: none; color: inherit; }

/* ─── CONTAINER ─── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ═══════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid #e5e7eb;
  backdrop-filter: blur(10px);
  transition: box-shadow 0.3s;
}
.navbar.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.1); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.nav-logo {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem; font-weight: 700;
  color: #4B0082;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.nav-links {
  display: flex; align-items: center; gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem; font-weight: 500;
  color: #374151;
  transition: color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: #4B0082; }
.nav-cta {
  background: #4B0082; color: #fff !important;
  padding: 0.5rem 1.25rem; border-radius: 6px;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}
.nav-cta:hover { background: #3b006b !important; }
.nav-toggle {
  display: none; background: none; border: none;
  font-size: 1.5rem; cursor: pointer; color: #111827;
}

/* ═══════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════ */
.btn {
  display: inline-block; padding: 0.85rem 1.75rem;
  border-radius: 8px; font-weight: 600; font-size: 0.95rem;
  cursor: pointer; border: none; transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}
.btn-primary {
  background: #4B0082; color: #fff;
}
.btn-primary:hover { background: #3b006b; transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: #4B0082;
  border: 2px solid #4B0082;
}
.btn-outline:hover { background: #4B0082; color: #fff; }
.btn-sm { padding: 0.6rem 1.25rem; font-size: 0.875rem; }
.center-cta { text-align: center; margin-top: 3rem; }

/* ═══════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════ */
.section { padding: 6rem 0; }
.section-dark { background: #111827; }
.section-teal { background: #0F766E; }
.section-label {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: #4B0082; margin-bottom: 0.75rem;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700; margin-bottom: 1rem; line-height: 1.2;
}
.section-sub {
  font-size: 1.1rem; color: #6b7280; max-width: 680px; margin-bottom: 3rem;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #1a0033 0%, #2d0066 40%, #4B0082 70%, #0a1628 100%);
  display: flex; align-items: center;
  padding-top: 68px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 60% at 70% 40%, rgba(15,118,110,0.25) 0%, transparent 60%);
}
.hero-shape {
  position: absolute; right: -10%; top: 10%; width: 500px; height: 500px;
  border: 1px solid rgba(167,139,250,0.15); border-radius: 50%;
  animation: spin 30s linear infinite;
}
.hero-shape::before {
  content: ''; position: absolute; inset: 40px;
  border: 1px solid rgba(167,139,250,0.1); border-radius: 50%;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hero-content {
  position: relative; z-index: 1;
  max-width: 1200px; margin: 0 auto; padding: 4rem 2rem;
}
.hero-eyebrow {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: #a78bfa; margin-bottom: 1.5rem;
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: #fff; line-height: 1.15; margin-bottom: 1.5rem; max-width: 700px;
}
.accent { color: #a78bfa; }
.hero-sub {
  font-size: 1.15rem; color: #d1d5db; max-width: 580px;
  line-height: 1.8; margin-bottom: 2.5rem;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 4rem; }
.hero-actions .btn-outline { border-color: rgba(255,255,255,0.4); color: #fff; }
.hero-actions .btn-outline:hover { background: rgba(255,255,255,0.1); }
.hero-metrics {
  display: flex; align-items: center; gap: 0;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px; padding: 2rem; flex-wrap: wrap;
}
.metric {
  flex: 1; min-width: 120px; text-align: center; padding: 0.5rem 1.5rem;
}
.metric-num {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem; font-weight: 900; color: #a78bfa;
  display: inline;
}
.metric-unit { font-size: 1.5rem; color: #a78bfa; font-weight: 700; }
.metric-label {
  display: block; font-size: 0.78rem; color: #9ca3af; margin-top: 0.3rem;
  line-height: 1.4;
}
.metric-divider { width: 1px; height: 60px; background: rgba(255,255,255,0.15); flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════
   NEWSLETTER BANNER
   ═══════════════════════════════════════════════════════════ */
.newsletter-banner {
  background: #f3e8ff; border-bottom: 2px solid #e9d5ff;
  padding: 0.9rem 0;
}
.newsletter-banner-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 1.5rem; flex-wrap: wrap;
}
.newsletter-banner-text {
  font-size: 0.92rem; color: #4b5563;
  display: flex; align-items: center; gap: 0.5rem;
}
.newsletter-icon { font-size: 1.1rem; }
.newsletter-banner-link {
  font-size: 0.92rem; font-weight: 700; color: #4B0082;
  border-bottom: 2px solid #4B0082; padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s;
}
.newsletter-banner-link:hover { color: #7C3AED; border-color: #7C3AED; }

/* ═══════════════════════════════════════════════════════════
   CUBE FRAMEWORK GRID
   ═══════════════════════════════════════════════════════════ */
.cube-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.cube-card {
  background: #fff; border: 1px solid #e5e7eb;
  border-radius: 12px; padding: 2rem;
  transition: box-shadow 0.3s, transform 0.3s;
}
.cube-card:hover { box-shadow: 0 12px 40px rgba(75,0,130,0.12); transform: translateY(-4px); }
.cube-letter {
  font-family: 'Playfair Display', serif;
  font-size: 3rem; font-weight: 900; line-height: 1; margin-bottom: 0.75rem;
}
.cube-pillar-name { font-weight: 700; font-size: 1rem; margin-bottom: 0.75rem; color: #111827; }
.cube-card p { font-size: 0.88rem; color: #6b7280; line-height: 1.7; }
.cube-deliverable {
  margin-top: 1.25rem; padding: 0.6rem 0.875rem;
  background: #f3e8ff; border-radius: 6px;
  font-size: 0.78rem; color: #4B0082;
}

/* ═══════════════════════════════════════════════════════════
   ROADMAP
   ═══════════════════════════════════════════════════════════ */
.roadmap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.roadmap-phase {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 12px; padding: 1.75rem;
}
.phase-tag {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: #a78bfa; margin-bottom: 0.25rem;
}
.phase-months { font-size: 0.8rem; color: #6b7280; margin-bottom: 0.75rem; }
.phase-name { font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 1rem; }
.phase-list { list-style: none; }
.phase-list li {
  font-size: 0.83rem; color: #9ca3af; padding: 0.3rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.phase-list li::before { content: '→ '; color: #0F766E; }

/* ═══════════════════════════════════════════════════════════
   BOOKS
   ═══════════════════════════════════════════════════════════ */
.books-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.book-card {
  background: #fff; border: 1px solid #e5e7eb;
  border-radius: 12px; padding: 2rem;
  transition: box-shadow 0.3s, transform 0.3s;
  display: flex; flex-direction: column;
}
.book-card:hover { box-shadow: 0 12px 40px rgba(75,0,130,0.1); transform: translateY(-3px); }
.book-flagship {
  grid-column: span 3;
  background: linear-gradient(135deg, #4B0082 0%, #6D28D9 100%);
  color: #fff; flex-direction: row; align-items: flex-start; gap: 2rem;
}
.book-tag {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: #4B0082; background: #f3e8ff;
  padding: 0.25rem 0.75rem; border-radius: 20px; display: inline-block;
  margin-bottom: 0.75rem; align-self: flex-start;
}
.book-flagship .book-tag { color: #a78bfa; background: rgba(255,255,255,0.15); }
.book-tag-alt { color: #0F766E; background: #d1fae5; }
.book-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.35rem; }
.book-sub { font-size: 0.82rem; color: #6b7280; margin-bottom: 0.75rem; }
.book-flagship .book-sub { color: rgba(255,255,255,0.7); }
.book-card p { font-size: 0.87rem; color: #6b7280; line-height: 1.7; flex: 1; margin-bottom: 1.25rem; }
.book-flagship p { color: rgba(255,255,255,0.8); }
.book-flagship .btn { margin-left: auto; align-self: flex-end; background: #fff; color: #4B0082; }

/* ═══════════════════════════════════════════════════════════
   OUTCOMES
   ═══════════════════════════════════════════════════════════ */
.outcomes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.outcome-card {
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px; padding: 2rem;
}
.outcome-industry {
  font-weight: 700; font-size: 0.95rem; color: #fff; margin-bottom: 0.75rem;
  padding-bottom: 0.75rem; border-bottom: 1px solid rgba(255,255,255,0.15);
}
.outcome-before { font-size: 0.82rem; color: rgba(255,255,255,0.55); margin-bottom: 0.75rem; line-height: 1.6; }
.outcome-after { font-size: 0.87rem; color: #a7f3d0; line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════
   CONSULTING STRIP
   ═══════════════════════════════════════════════════════════ */
.consulting-strip {
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem; flex-wrap: wrap;
}
.consult-item {
  background: #fff; border: 1px solid #e5e7eb; border-radius: 12px;
  padding: 1.5rem 1.75rem; text-align: center; min-width: 180px;
  flex: 1; max-width: 220px;
  transition: box-shadow 0.3s, transform 0.3s;
}
.consult-item:hover { box-shadow: 0 8px 30px rgba(75,0,130,0.1); transform: translateY(-3px); }
.consult-phase {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: #4B0082; margin-bottom: 0.35rem;
}
.consult-name { font-weight: 700; font-size: 0.92rem; margin-bottom: 0.35rem; }
.consult-duration { font-size: 0.78rem; color: #6b7280; }
.consult-arrow { font-size: 1.25rem; color: #9ca3af; }

/* ═══════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════ */
.about-layout { display: grid; grid-template-columns: 1fr 360px; gap: 5rem; align-items: center; }
.author-initial {
  width: 80px; height: 80px; background: #4B0082; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Playfair Display', serif; font-size: 1.75rem;
  color: #fff; font-weight: 700; margin: 0 auto 1rem;
}
.author-name { font-family: 'Playfair Display', serif; font-size: 1.25rem; font-weight: 700; color: #fff; text-align: center; }
.author-title { font-size: 0.82rem; color: #6b7280; text-align: center; margin-bottom: 1.25rem; }
.author-quote {
  font-style: italic; font-size: 0.88rem; color: #d1d5db;
  border-left: 3px solid #4B0082; padding-left: 1rem; line-height: 1.7;
}
.about-card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px; padding: 2.5rem;
}

/* ═══════════════════════════════════════════════════════════
   NEWSLETTER SECTION
   ═══════════════════════════════════════════════════════════ */
.newsletter-section { background: #f9fafb; }
.newsletter-card {
  max-width: 640px; margin: 0 auto; text-align: center;
  background: #fff; border-radius: 20px;
  padding: 3.5rem; box-shadow: 0 4px 30px rgba(0,0,0,0.07);
  border: 1px solid #e5e7eb;
}
.newsletter-icon-lg { font-size: 2.5rem; margin-bottom: 1rem; }
.newsletter-title { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.75rem; color: #111827; }
.newsletter-desc { font-size: 0.95rem; color: #6b7280; line-height: 1.7; margin-bottom: 2rem; }
.newsletter-fields {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 1.25rem;
}
.newsletter-input {
  width: 100%; padding: 0.8rem 1rem; border: 1px solid #e5e7eb;
  border-radius: 8px; font-family: 'Inter', sans-serif; font-size: 0.9rem;
  transition: border-color 0.2s;
}
.newsletter-input:focus { outline: none; border-color: #4B0082; }
.newsletter-btn { width: 100%; font-size: 1rem; padding: 1rem; }
.newsletter-privacy { font-size: 0.75rem; color: #9ca3af; margin-top: 0.75rem; }
.newsletter-success {
  background: #d1fae5; border: 1px solid #6ee7b7; border-radius: 10px;
  padding: 1.25rem 1.5rem; display: flex; align-items: center; gap: 0.75rem;
  font-size: 0.92rem; color: #065f46; text-align: left;
}
.success-icon { font-size: 1.25rem; flex-shrink: 0; }
.newsletter-footer-link {
  display: inline-block; margin-top: 1rem;
  font-size: 0.88rem; font-weight: 600; color: #a78bfa;
  border-bottom: 1px solid rgba(167,139,250,0.4);
  padding-bottom: 2px; transition: color 0.2s;
}
.newsletter-footer-link:hover { color: #fff; border-color: rgba(255,255,255,0.4); }

/* ═══════════════════════════════════════════════════════════
   CONTACT FORM
   ═══════════════════════════════════════════════════════════ */
.contact-email-display {
  max-width: 720px; margin: 0 auto 1.75rem;
  display: flex; align-items: center; gap: 0.75rem;
  background: #f3e8ff; border: 1px solid #d8b4fe;
  border-radius: 10px; padding: 0.875rem 1.25rem;
}
.contact-email-label { font-size: 0.85rem; font-weight: 600; color: #4b5563; }
.contact-email-link {
  font-size: 0.95rem; font-weight: 700; color: #4B0082;
  border-bottom: 2px solid #4B0082; padding-bottom: 1px;
  transition: color 0.2s;
}
.contact-email-link:hover { color: #7C3AED; border-color: #7C3AED; }
.newsletter-email-note {
  font-size: 0.8rem; color: #9ca3af; margin-bottom: 1rem;
}
.contact-form { max-width: 720px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: #374151; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.8rem 1rem; border: 1px solid #e5e7eb;
  border-radius: 8px; font-family: 'Inter', sans-serif; font-size: 0.9rem;
  transition: border-color 0.2s; background: #fff;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: #4B0082;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */
.footer { background: #0d0d1a; color: #d1d5db; padding: 4rem 0 2rem; }
.footer-top { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; margin-bottom: 3rem; }
.footer-logo { font-family: 'Playfair Display', serif; font-size: 1.35rem; font-weight: 700; color: #fff; margin-bottom: 1rem; }
.footer-brand p { font-size: 0.87rem; color: #6b7280; line-height: 1.7; max-width: 320px; }
.footer-links-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.footer-col { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col-title { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: #fff; margin-bottom: 0.25rem; }
.footer-col a { font-size: 0.85rem; color: #6b7280; transition: color 0.2s; }
.footer-col a:hover { color: #a78bfa; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07); padding-top: 2rem;
  display: flex; justify-content: space-between;
  font-size: 0.78rem; color: #4b5563; flex-wrap: wrap; gap: 0.5rem;
}

/* ═══════════════════════════════════════════════════════════
   FEATURED BOOK SECTION
   ═══════════════════════════════════════════════════════════ */
.featured-book-section {
  background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 50%, #ede9fe 100%);
  border-top: 1px solid #e9d5ff;
  border-bottom: 1px solid #e9d5ff;
}
.featured-book-layout {
  display: grid; grid-template-columns: 300px 1fr; gap: 4rem; align-items: center;
}
.featured-book-cover { text-align: center; }
.book-cover-img {
  width: 100%; max-width: 260px;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(75,0,130,0.35), 0 6px 20px rgba(0,0,0,0.15);
  transition: transform 0.4s, box-shadow 0.4s;
  display: block; margin: 0 auto 1.5rem;
}
.book-cover-img:hover {
  transform: translateY(-6px) rotate(1deg);
  box-shadow: 0 30px 70px rgba(75,0,130,0.4), 0 10px 30px rgba(0,0,0,0.2);
}
.book-cover-actions { display: flex; flex-direction: column; gap: 0.75rem; align-items: center; }
.btn-amazon {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: #FF9900; color: #111 !important;
  padding: 0.85rem 1.75rem; border-radius: 8px;
  font-weight: 700; font-size: 0.95rem;
  transition: background 0.2s, transform 0.2s;
  border: none; cursor: pointer; text-decoration: none;
  font-family: 'Inter', sans-serif;
}
.btn-amazon:hover { background: #e68900; transform: translateY(-2px); }
.btn-amazon-lg { font-size: 1.05rem; padding: 1rem 2rem; margin-top: 1.5rem; }
.amazon-icon { font-size: 1.1rem; }
.featured-book-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 900; color: #1a0033; margin-bottom: 0.4rem;
}
.featured-book-subtitle {
  font-size: 1.05rem; color: #4B0082; font-weight: 600;
  letter-spacing: 0.02em; margin-bottom: 0.5rem; font-style: italic;
}
.featured-book-author {
  font-size: 0.9rem; color: #6b7280; margin-bottom: 1.5rem; font-weight: 500;
}
.featured-book-desc {
  font-size: 1rem; color: #374151; line-height: 1.8; margin-bottom: 1.75rem;
}
.featured-book-highlights { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 0.5rem; }
.highlight-item {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.9rem; color: #374151;
}
.highlight-icon { color: #4B0082; font-size: 0.8rem; flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════
   AUDIO SECTION
   ═══════════════════════════════════════════════════════════ */
.audio-section { background: #0d0d1a; }
.audio-card {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
  align-items: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px; padding: 3rem;
}
.audio-eyebrow {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: #a78bfa; margin-bottom: 0.75rem;
}
.audio-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700; color: #fff; margin-bottom: 1rem; line-height: 1.2;
}
.audio-desc { font-size: 0.92rem; color: #9ca3af; line-height: 1.75; margin-bottom: 1.5rem; }
.audio-meta { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.audio-badge {
  background: rgba(167,139,250,0.12); border: 1px solid rgba(167,139,250,0.25);
  color: #c4b5fd; border-radius: 20px; padding: 0.3rem 0.875rem;
  font-size: 0.78rem; font-weight: 600;
}
.audio-player-wrap { text-align: center; }
.audio-waveform-visual {
  display: flex; align-items: flex-end; justify-content: center;
  gap: 4px; height: 52px; margin-bottom: 1.25rem;
}
.wv-bar {
  width: 5px; border-radius: 3px;
  background: linear-gradient(to top, #4B0082, #a78bfa);
  animation: waveAnim 1.2s ease-in-out infinite alternate;
}
.wv-bar:nth-child(1)  { height: 20%; animation-delay: 0.0s; }
.wv-bar:nth-child(2)  { height: 55%; animation-delay: 0.1s; }
.wv-bar:nth-child(3)  { height: 80%; animation-delay: 0.2s; }
.wv-bar:nth-child(4)  { height: 45%; animation-delay: 0.3s; }
.wv-bar:nth-child(5)  { height: 95%; animation-delay: 0.4s; }
.wv-bar:nth-child(6)  { height: 60%; animation-delay: 0.5s; }
.wv-bar:nth-child(7)  { height: 100%; animation-delay: 0.6s; }
.wv-bar:nth-child(8)  { height: 70%; animation-delay: 0.5s; }
.wv-bar:nth-child(9)  { height: 90%; animation-delay: 0.4s; }
.wv-bar:nth-child(10) { height: 50%; animation-delay: 0.3s; }
.wv-bar:nth-child(11) { height: 85%; animation-delay: 0.2s; }
.wv-bar:nth-child(12) { height: 40%; animation-delay: 0.1s; }
.wv-bar:nth-child(13) { height: 65%; animation-delay: 0.0s; }
.wv-bar:nth-child(14) { height: 30%; animation-delay: 0.1s; }
.wv-bar:nth-child(15) { height: 75%; animation-delay: 0.2s; }
.wv-bar:nth-child(16) { height: 55%; animation-delay: 0.3s; }
.wv-bar:nth-child(17) { height: 90%; animation-delay: 0.4s; }
.wv-bar:nth-child(18) { height: 35%; animation-delay: 0.5s; }
.wv-bar:nth-child(19) { height: 60%; animation-delay: 0.6s; }
.wv-bar:nth-child(20) { height: 25%; animation-delay: 0.7s; }
@keyframes waveAnim { from { transform: scaleY(0.4); } to { transform: scaleY(1); } }
.audio-player-native {
  width: 100%; border-radius: 10px;
  accent-color: #4B0082;
}
.audio-caption { font-size: 0.75rem; color: #4b5563; margin-top: 0.75rem; }

/* ═══════════════════════════════════════════════════════════
   AUTHOR PHOTO
   ═══════════════════════════════════════════════════════════ */
.author-photo {
  width: 130px; height: 130px;
  border-radius: 50%; object-fit: cover; object-position: top center;
  border: 3px solid #4B0082;
  box-shadow: 0 0 0 6px rgba(75,0,130,0.2);
  display: block; margin: 0 auto 1rem;
}

/* ═══════════════════════════════════════════════════════════
   TOAST
   ═══════════════════════════════════════════════════════════ */
.toast {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 9999;
  background: #111827; color: #fff;
  padding: 1rem 1.5rem; border-radius: 10px;
  font-size: 0.9rem; box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  opacity: 0; transform: translateY(20px); pointer-events: none;
  transition: all 0.3s;
}
.toast.show { opacity: 1; transform: translateY(0); pointer-events: auto; }

/* ═══════════════════════════════════════════════════════════
   REVEAL ANIMATION
   ═══════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .cube-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap-grid { grid-template-columns: repeat(2, 1fr); }
  .books-grid { grid-template-columns: repeat(2, 1fr); }
  .book-flagship { grid-column: span 2; flex-direction: column; }
  .outcomes-grid { grid-template-columns: repeat(2, 1fr); }
  .about-layout { grid-template-columns: 1fr; gap: 3rem; }
  .featured-book-layout { grid-template-columns: 1fr; gap: 2.5rem; text-align: center; }
  .book-cover-img { max-width: 220px; }
  .audio-card { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid #e5e7eb; padding: 1rem 2rem; gap: 1rem; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero-metrics { flex-direction: column; gap: 1rem; }
  .metric-divider { width: 100%; height: 1px; }
  .cube-grid { grid-template-columns: 1fr; }
  .roadmap-grid { grid-template-columns: 1fr; }
  .books-grid { grid-template-columns: 1fr; }
  .book-flagship { grid-column: span 1; }
  .outcomes-grid { grid-template-columns: 1fr; }
  .consulting-strip { flex-direction: column; }
  .consult-arrow { transform: rotate(90deg); }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-links-group { grid-template-columns: repeat(2, 1fr); }
  .newsletter-fields { grid-template-columns: 1fr; }
  .newsletter-banner-inner { flex-direction: column; gap: 0.5rem; text-align: center; }
  .featured-book-layout { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
  .audio-card { grid-template-columns: 1fr; gap: 2rem; padding: 2rem; }
  .featured-book-highlights { align-items: flex-start; }
}
@media (max-width: 480px) {
  .section { padding: 4rem 0; }
  .hero-title { font-size: 2rem; }
  .newsletter-card { padding: 2rem 1.25rem; }
  .footer-links-group { grid-template-columns: 1fr; }
}