/* ============================================
   BOOK LANDING PAGE
   ============================================ */

.book-body {
  background: var(--paper);
  min-height: 100vh;
}

/* TOP BAR --------------------------------- */
.book-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 244, 239, 0.88);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid rgba(229, 224, 213, 0.5);
  padding: 18px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: padding 0.35s var(--ease-out);
}

.book-topbar.is-scrolled {
  padding: 10px var(--gutter);
}

.book-topbar__logo {
  height: 96px;
  display: flex;
  align-items: center;
  transition: height 0.35s var(--ease-out);
}
.book-topbar__logo img { height: 100%; width: auto; display: block; }
.book-topbar.is-scrolled .book-topbar__logo { height: 40px; }

.book-topbar__back {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--foundation);
  text-transform: uppercase;
  transition: color 0.2s;
}
.book-topbar__back:hover { color: var(--green); }

@media (max-width: 700px) {
  .book-topbar__logo { height: 56px; }
  .book-topbar.is-scrolled .book-topbar__logo { height: 32px; }
}
@media (max-width: 600px) {
  .book-topbar__back span { display: none; }
}

/* CONTAINER ------------------------------- */
.book-container {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* MAIN HERO + FORM ------------------------ */
.book-main {
  padding: 80px 0 100px;
  position: relative;
}
@media (max-width: 900px) {
  .book-main { padding: 48px 0 64px; }
}

.book-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) {
  .book-grid { grid-template-columns: 1fr; gap: 48px; }
}

/* LEFT HERO ------------------------------- */
.book-hero__ticker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
}
.book-hero__ticker .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.book-hero__title {
  font-size: clamp(44px, 6vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.035em;
  font-weight: 600;
  margin: 0 0 32px;
  color: var(--foundation);
}

.book-hero__desc {
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.55;
  color: var(--foundation);
  opacity: 0.78;
  max-width: 42ch;
  margin: 0 0 40px;
}

.book-hero__bullets {
  list-style: none;
  margin: 0 0 48px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.book-hero__bullets li {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 14px;
  font-size: 15px;
  line-height: 1.55;
  align-items: baseline;
}
.book-hero__bullets .check {
  font-family: var(--font-mono);
  color: var(--green);
  font-size: 14px;
  font-weight: 500;
}
.book-hero__bullets strong { font-weight: 600; }

/* Oliver inline card */
.book-hero__oliver {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--paper-tint);
  border: 1px solid var(--paper-line);
}
.book-hero__oliver-img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  flex-shrink: 0;
}
.book-hero__oliver-meta .name {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--foundation);
  margin-bottom: 3px;
}
.book-hero__oliver-meta .role {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
}

/* RIGHT FORM ------------------------------ */
.book-form-wrap {
  position: sticky;
  top: 100px;
}
@media (max-width: 900px) {
  .book-form-wrap { position: static; }
}

.book-form {
  background: var(--foundation);
  color: var(--paper);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border: 1px solid var(--foundation);
  position: relative;
  overflow: hidden;
}
.book-form::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--green);
}
@media (max-width: 600px) {
  .book-form { padding: 28px 22px; }
}

.book-form__head { margin-bottom: 8px; }
.book-form__head h2 {
  font-size: clamp(22px, 2.2vw, 28px);
  letter-spacing: -0.02em;
  line-height: 1.15;
  font-weight: 600;
  margin: 12px 0 0;
  color: var(--paper);
}

.book-form .field label {
  color: var(--paper);
  opacity: 0.78;
}
.book-form .field input,
.book-form .field select,
.book-form .field textarea {
  background: rgba(246, 244, 239, 0.06);
  border: 1px solid rgba(246, 244, 239, 0.18);
  color: var(--paper);
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--font-sans);
  width: 100%;
  transition: border-color 0.2s, background 0.2s;
}
.book-form .field input::placeholder,
.book-form .field textarea::placeholder { color: rgba(246, 244, 239, 0.4); }
.book-form .field input:focus,
.book-form .field select:focus,
.book-form .field textarea:focus {
  outline: none;
  border-color: var(--green);
  background: rgba(246, 244, 239, 0.10);
}
.book-form .field select option {
  background: var(--foundation);
  color: var(--paper);
}

.book-form__submit {
  margin-top: 8px;
  width: 100%;
  justify-content: center;
}

.book-form__note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: none;
  color: rgba(246, 244, 239, 0.55);
  line-height: 1.55;
  margin: 6px 0 0;
  text-align: center;
}

/* WHAT THE CALL COVERS -------------------- */
.book-proof {
  background: var(--paper-tint);
  padding: 100px 0;
  border-top: 1px solid var(--paper-line);
}
@media (max-width: 700px) { .book-proof { padding: 64px 0; } }

.book-proof__head { margin-bottom: 64px; max-width: 800px; }

.book-proof__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
}
@media (max-width: 800px) { .book-proof__list { grid-template-columns: 1fr; } }

.book-proof__list li {
  background: var(--paper);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 220px;
  transition: background 0.3s;
}
.book-proof__list li:hover { background: var(--paper-warm); }

.book-proof__list .num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--green);
  margin-bottom: 6px;
}
.book-proof__list h3 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0;
}
.book-proof__list p {
  font-size: 14px;
  line-height: 1.55;
  margin: 0;
  opacity: 0.78;
  max-width: 36ch;
}

/* FAQ ------------------------------------- */
.book-faq {
  background: var(--paper);
  padding: 100px 0;
}
@media (max-width: 700px) { .book-faq { padding: 64px 0; } }

.book-faq__layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 900px) {
  .book-faq__layout { grid-template-columns: 1fr; gap: 32px; }
}

/* FOOTER ---------------------------------- */
.book-footer {
  background: var(--foundation);
  color: var(--paper);
  padding: 28px 0;
}
.book-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  opacity: 0.7;
}
.book-footer__inner a {
  color: var(--paper);
  transition: color 0.2s;
}
.book-footer__inner a:hover { color: var(--green); }

/* ============================================
   BOOK HERO VIDEO
   ============================================ */
.book-hero__video {
  margin: 0 0 40px;
  max-width: 300px;
}
.book-hero__video-el {
  width: 100%;
  display: block;
  aspect-ratio: 9 / 16;
  max-height: 70vh;
  object-fit: contain;
  background: #000;
  border: 1px solid var(--paper-line);
  border-top: 3px solid var(--green);
}
.book-hero__video-caption {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--warm-gray);
}
.book-hero__video-caption .mark {
  color: var(--green);
  font-weight: 700;
  letter-spacing: -0.05em;
}