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

    :root {
      --ink:    #1a1612;
      --paper:  #f5f0e8;
      --warm:   #e8dfc8;
      --accent: #8b3a2a;
      --muted:  #6b6058;
      --rule:   #c8bfaa;
    }

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

    body {
      background-color: var(--paper);
      color: var(--ink);
      font-family: 'Source Sans 3', sans-serif;
      font-weight: 300;
      line-height: 1.7;
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* Paper texture */
    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 0;
    }

    /* ── Banner ── */
    .banner {
      width: 100%;
      height: 220px;
      overflow: hidden;
      position: relative;
      z-index: 1;
    }

    .banner img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      object-position: center 30%;
      display: block;
    }

    .banner::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to bottom, rgba(26,22,18,0.15) 0%, rgba(245,240,232,0.6) 100%);
    }

    /* ── Accent rule ── */
    .accent-rule {
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--accent) 0%, var(--rule) 100%);
      position: relative;
      z-index: 1;
    }

    /* ── Layout ── */
    .page {
      position: relative;
      z-index: 1;
      max-width: 700px;
      margin: 0 auto;
      padding: 0 2rem;
    }

    /* ── Hero ── */
    .hero {
      padding: 2.5rem 0 2rem;
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 2rem;
      opacity: 0;
      animation: fadeUp 0.9s ease forwards 0.1s;
    }

    .hero-text { flex: 1; }

    .eyebrow {
      font-size: 0.72rem;
      letter-spacing: 0.22em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 1rem;
    }

    .hero-name {
      font-family: 'Lora', serif;
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      font-weight: 600;
      line-height: 1.1;
      letter-spacing: -0.02em;
      margin-bottom: 0.6rem;
    }

    .hero-tagline {
      font-family: 'Lora', serif;
      font-style: italic;
      font-size: clamp(0.95rem, 2.2vw, 1.15rem);
      color: var(--muted);
      max-width: 460px;
    }

    /* Author photo */
    .author-photo {
      width: 110px;
      height: 110px;
      border-radius: 50%;
      object-fit: cover;
      object-position: center top;
      border: 3px solid var(--warm);
      box-shadow: 0 2px 12px rgba(26,22,18,0.15);
      flex-shrink: 0;
    }

    /* ── Divider ── */
    .rule {
      border: none;
      border-top: 1px solid var(--rule);
      margin: 2rem 0;
      opacity: 0;
      animation: fadeIn 0.7s ease forwards 0.5s;
    }

    /* ── Bio ── */
    .bio {
      opacity: 0;
      animation: fadeUp 0.9s ease forwards 0.4s;
    }

    .bio p {
      font-size: 1.02rem;
      margin-bottom: 1.1rem;
      max-width: 620px;
    }
    .bio p:last-child { margin-bottom: 0; }

    /* ── Books ── */
    .books-section {
      margin: 3rem 0;
      opacity: 0;
      animation: fadeUp 0.9s ease forwards 0.6s;
    }

    .section-label {
      font-size: 0.72rem;
      letter-spacing: 0.2em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 1.4rem;
    }

    .books-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
      gap: 1.5rem;
    }

    .book-card {
      text-decoration: none;
      color: inherit;
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
      transition: transform 0.2s;
    }

    .book-card:hover { transform: translateY(-3px); }

    .book-thumb {
      width: 100%;
      aspect-ratio: 2/3;
      background: var(--warm);
      border: 1px solid var(--rule);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0.8rem;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .book-thumb-inner {
      font-family: 'Lora', serif;
      font-size: 0.72rem;
      line-height: 1.4;
      color: var(--muted);
    }

    .book-thumb-inner strong {
      display: block;
      font-size: 0.82rem;
      color: var(--ink);
      margin-bottom: 0.3rem;
    }

    .book-title {
      font-family: 'Lora', serif;
      font-size: 0.8rem;
      line-height: 1.3;
      color: var(--ink);
    }

    .book-link-hint {
      font-size: 0.7rem;
      color: var(--accent);
      letter-spacing: 0.05em;
    }

    /* ── Signup ── */
    .signup-section {
      background: var(--warm);
      border-left: 3px solid var(--accent);
      padding: 2rem 2rem 2rem 1.8rem;
      margin: 3rem 0;
      opacity: 0;
      animation: fadeUp 0.9s ease forwards 0.8s;
    }

    .signup-section h2 {
      font-family: 'Lora', serif;
      font-size: 1.15rem;
      font-weight: 600;
      margin-bottom: 0.4rem;
    }

    .signup-section p {
      font-size: 0.92rem;
      color: var(--muted);
      margin-bottom: 1.4rem;
    }

    .form-row {
      display: flex;
      gap: 0.6rem;
      flex-wrap: wrap;
    }

    .form-row input[type="email"] {
      flex: 1 1 220px;
      padding: 0.7rem 1rem;
      border: 1px solid var(--rule);
      background: var(--paper);
      color: var(--ink);
      font-family: 'Source Sans 3', sans-serif;
      font-size: 0.95rem;
      outline: none;
      transition: border-color 0.2s;
    }

    .form-row input[type="email"]:focus { border-color: var(--accent); }
    .form-row input[type="email"]::placeholder { color: var(--rule); }

    .btn {
      padding: 0.7rem 1.6rem;
      background: var(--accent);
      color: var(--paper);
      border: none;
      font-family: 'Source Sans 3', sans-serif;
      font-size: 0.9rem;
      letter-spacing: 0.05em;
      cursor: pointer;
      transition: background 0.2s, transform 0.1s;
      white-space: nowrap;
    }

    .btn:hover { background: #6e2e21; }
    .btn:active { transform: scale(0.98); }

    .form-note {
      font-size: 0.78rem;
      color: var(--muted);
      margin-top: 0.8rem;
    }

    .form-note a { color: var(--muted); text-decoration: underline; text-underline-offset: 2px; }

    .signup-success {
      display: none;
      font-family: 'Lora', serif;
      font-style: italic;
      color: var(--accent);
      font-size: 1rem;
    }

    /* ── Amazon link ── */
    .amazon-link {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.88rem;
      color: var(--muted);
      text-decoration: none;
      border-bottom: 1px solid var(--rule);
      padding-bottom: 1px;
      transition: color 0.2s, border-color 0.2s;
      margin-bottom: 3rem;
      opacity: 0;
      animation: fadeUp 0.9s ease forwards 1s;
    }

    .amazon-link:hover { color: var(--accent); border-color: var(--accent); }

    /* ── Footer ── */
    footer {
      border-top: 1px solid var(--rule);
      padding: 2rem 0 3rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
      opacity: 0;
      animation: fadeIn 0.7s ease forwards 1.1s;
    }

    footer p, footer a {
      font-size: 0.78rem;
      color: var(--muted);
    }

    footer a {
      text-decoration: none;
      border-bottom: 1px solid var(--rule);
      padding-bottom: 1px;
      transition: color 0.2s;
    }

    footer a:hover { color: var(--accent); }

    /* ── Cookie banner ── */
    #cookie-banner {
      position: fixed;
      bottom: 0; left: 0; right: 0;
      background: var(--ink);
      color: var(--paper);
      padding: 1.2rem 2rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 1rem;
      z-index: 100;
      font-size: 0.85rem;
      transform: translateY(100%);
      animation: slideUp 0.5s ease forwards 1.8s;
    }

    #cookie-banner p { max-width: 520px; line-height: 1.5; }
    #cookie-banner a { color: var(--warm); }

    .cookie-buttons { display: flex; gap: 0.6rem; flex-shrink: 0; }

    .btn-accept {
      padding: 0.5rem 1.2rem;
      background: var(--accent);
      color: var(--paper);
      border: none;
      font-family: 'Source Sans 3', sans-serif;
      font-size: 0.85rem;
      cursor: pointer;
    }

    .btn-decline {
      padding: 0.5rem 1.2rem;
      background: transparent;
      color: var(--warm);
      border: 1px solid var(--muted);
      font-family: 'Source Sans 3', sans-serif;
      font-size: 0.85rem;
      cursor: pointer;
    }

    /* ── Animations ── */
    @keyframes fadeUp {
      to { opacity: 1; transform: translateY(0); }
    }
    @keyframes fadeIn {
      to { opacity: 1; }
    }
    @keyframes slideUp {
      to { transform: translateY(0); }
    }

    /* ── Responsive ── */
    @media (max-width: 520px) {
      .page { padding: 0 1.2rem; }
      .hero { flex-direction: column-reverse; align-items: flex-start; gap: 1rem; }
      .author-photo { width: 80px; height: 80px; }
      .banner { height: 150px; }
      .books-grid { grid-template-columns: repeat(2, 1fr); }
      footer { flex-direction: column; align-items: flex-start; }
    }
/* ── Series flowchart ── */
.books-section {
  margin: 3rem 0;
  opacity: 0;
  animation: fadeUp 0.9s ease forwards 0.6s;
}

.series-callout {
  display: inline-block;
  border: 2px solid var(--rule);
  border-radius: 12px;
  padding: 0.9rem 1.4rem;
  margin: 0 auto 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.series-callout::after {
  content: '';
  position: absolute;
  bottom: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;
  border-top: 13px solid var(--rule);
}

.series-callout p {
  margin: 0 0 0.2rem;
  font-size: 0.85rem;
}

.series-callout strong {
  font-family: 'Lora', serif;
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 600;
}

/* Rows */
.flow-row {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.flow-row--single {
  margin: 0 auto;
}

.flow-row--pair {
  gap: 2rem;
}

/* Individual book card */
.flow-book {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 160px;
  transition: transform 0.2s;
}

.flow-book:hover {
  transform: translateY(-4px);
}

.flow-cover {
  width: 100%;
  aspect-ratio: 2/3;
  background: var(--warm);
  border: 1px solid var(--rule);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(26,22,18,0.12);
}

.flow-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.flow-title {
  font-family: 'Lora', serif;
  font-size: 0.78rem;
  line-height: 1.35;
  color: var(--ink);
  text-align: center;
}

.flow-hint {
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.04em;
}

/* Straight arrow down */
.flow-arrow--down {
  width: 2px;
  height: 2.5rem;
  background: var(--rule);
  margin: 0.6rem auto;
  position: relative;
}

.flow-arrow--down::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--rule);
}

/* Fork — splits into two arrows */
.flow-fork {
  display: flex;
  justify-content: center;
  gap: 0;
  margin: 0.6rem 0;
  position: relative;
  height: 2.5rem;
}

.flow-fork::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 0.8rem;
  background: var(--rule);
}

.flow-fork::after {
  content: '';
  position: absolute;
  top: 0.8rem;
  left: calc(50% - 81px);
  width: 162px;
  height: 2px;
  background: var(--rule);
}

.flow-fork-line {
  position: absolute;
  top: 0.8rem;
  width: 2px;
  height: calc(100% - 0.8rem);
  background: var(--rule);
}

.flow-fork-line--left {
  left: calc(50% - 81px);
}

.flow-fork-line--left::after,
.flow-fork-line--right::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 8px solid var(--rule);
}

.flow-fork-line--right {
  left: calc(50% + 79px);
}

@media (max-width: 520px) {
  .flow-row--pair {
    gap: 1rem;
  }
  .flow-book {
    width: 130px;
  }
  .flow-fork::after {
    left: calc(50% - 66px);
    width: 132px;
  }
  .flow-fork-line--left { left: calc(50% - 66px); }
  .flow-fork-line--right { left: calc(50% + 64px); }
}