/* ══ MISSION STRIP ══ */
.mission-strip {
  padding: 3.5rem 0;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
  text-align: center;
}

.mission-item i {
  font-size: 2rem;
  color: var(--clr-primary-light);
  margin-bottom: 0.75rem;
  display: block;
}

.mission-item h4 {
  color: var(--clr-white);
  text-transform: uppercase;
  letter-spacing: var(--spacing);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.mission-item p {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
  margin-bottom: 0;
  max-width: 18rem;
  margin-left: auto;
  margin-right: auto;
}

/* Staggered reveal delays */
.mission-item:nth-child(2) { transition-delay: .1s; }
.mission-item:nth-child(3) { transition-delay: .2s; }
.mission-item:nth-child(4) { transition-delay: .3s; }

/* ══ ABOUT BOOK ══ */
.about-book-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

@media (max-width: 900px) {
  .about-book-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.book-mockup {
  position: relative;
  display: flex;
  justify-content: center;
}

.book-card {
  width: 320px;
  height: 475px;
  background: transparent;
  position: relative;
  overflow: visible;
  transition: var(--transition);
  border-radius: 4px 12px 12px 4px;
  box-shadow:
    -6px 6px 0 #add8e6,
    -10px 10px 0 rgba(1, 37, 125, 0.2),
    0 25px 50px rgba(1, 37, 125, 0.35);
}

.book-img-container {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 4px 12px 12px 4px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.book-cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  display: block;
}

.book-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(86, 232, 220, 0.18) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}

.book-card:hover {
  transform: translateY(-6px) rotate(1deg);
}

.book-spine {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 18px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 4px 0 0 4px;
  z-index: 2;
  pointer-events: none;
}

.book-badge {
  position: absolute;
  top: -15px;
  right: -15px;
  width: 60px;
  height: 60px;
  background: #e9b949;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--clr-primary);
  text-align: center;
  line-height: 1.1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 3;
}

.book-info p {
  color: #2a3a6e;
  font-size: 0.975rem;
  margin-bottom: 1rem;
}

.book-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0;
}

.tag {
  padding: 0.3rem 0.9rem;
  background: var(--clr-grey-10);
  color: var(--clr-primary);
  border-radius: 2rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--spacing);
}

/* ══ AUTHOR SLIDER ══ */
.author-slider-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
}

.author-slider-wrapper .author-inner {
  grid-area: 1 / 1 / 2 / 2;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease, visibility 0.6s;
  display: grid !important;
}

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

.author-slider-wrapper .author-inner.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  z-index: 10;
}

.author-slider-wrapper .author-inner.active .reveal,
.author-slider-wrapper .author-inner.active.reveal {
  opacity: 1;
  transform: translateY(0);
}

/* ══ FEATURES ══ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}

/* Staggered reveal delays */
.feature-card:nth-child(2) { transition-delay: .08s; }
.feature-card:nth-child(3) { transition-delay: .16s; }
.feature-card:nth-child(4) { transition-delay: .24s; }

.feature-card {
  background: var(--clr-white);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: 0 3px 15px rgba(1, 37, 125, 0.08);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--clr-primary), var(--clr-primary-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(1, 37, 125, 0.14);
}

.feature-card:hover::before {
  transform: scaleX(1);
}

.feature-icon-wrap {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--clr-primary), #0a4bcf);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 12px rgba(1, 37, 125, 0.25);
}

.feature-icon-wrap i {
  font-size: 1.3rem;
  color: var(--clr-primary-light);
}

.feature-card h4 {
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--spacing);
  color: var(--clr-primary);
  margin-bottom: 0.6rem;
}

.feature-card p {
  font-size: 0.875rem;
  color: #3a4e80;
  margin-bottom: 0;
  line-height: 1.65;
}

/* ══ AUTHOR SECTION ══ */
.author-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: start;
}

@media (max-width: 900px) {
  .author-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.author-img-frame {
  width: 100%;
  max-width: 320px;
  aspect-ratio: 4/5;
  background: linear-gradient(145deg, var(--clr-grey-10) 0%, #daedf5 100%);
  border-radius: 15px;
  overflow: hidden;
  border: 4px solid var(--clr-white);
  box-shadow: 0 20px 50px rgba(1, 37, 125, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.author-img-frame .placeholder-avatar {
  font-size: 6rem;
  color: rgba(1, 37, 125, 0.25);
}

.author-img-frame::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 35%;
  background: linear-gradient(to top, rgba(1, 37, 125, 0.12), transparent);
}

.author-accent-box {
  position: absolute;
  bottom: -18px;
  right: -18px;
  width: 90px;
  height: 90px;
  background: var(--clr-primary);
  border-radius: 12px;
  z-index: -1;
  opacity: 0.25;
}

.author-stat-bubble {
  position: absolute;
  top: 20px;
  right: 60px;
  background: var(--clr-white);
  border-radius: var(--radius);
  padding: 0.75rem 0.5rem;
  box-shadow: 0 8px 24px rgba(1, 37, 125, 0.15);
  text-align: center;
  min-width: 50px;
}

.author-stat-bubble strong {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-primary);
  line-height: 1;
}

.author-stat-bubble span {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #6a7aaa;
}

.author-name {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--clr-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.25rem;
}

.author-title-label {
  font-family: var(--ff-secondary);
  font-size: 1.2rem;
  color: var(--clr-primary-light);
  margin-bottom: 1.5rem;
  display: block;
}

.author-info p {
  color: #2a3a6e;
  font-size: 0.975rem;
  margin-bottom: 0.9rem;
}

.author-credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.25rem 0;
}

.credential {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  background: var(--clr-grey-10);
  border-radius: 2rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--clr-primary);
  text-transform: uppercase;
  letter-spacing: var(--spacing);
}

.credential i {
  font-size: 0.7rem;
  color: #e9b949;
}

/* ══ TESTIMONIALS ══ */
.testimonials-section {
  padding: 5rem 0;
  position: relative;
  overflow: hidden;
}

.testimonials-section::before {
  content: '"';
  position: absolute;
  font-family: var(--ff-secondary);
  font-size: 28rem;
  color: rgba(255, 255, 255, 0.03);
  top: -6rem;
  left: -2rem;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* Override section-title--center h2 colour for dark background */
.testimonials-section .section-title--center h2 {
  color: var(--clr-white);
}

.testimonials-slider-viewport {
  width: 100%;
  overflow: hidden;
  margin-top: 3rem;
  padding: 1rem 0 2rem;
}

.testimonials-slider-track {
  display: flex;
  flex-wrap: nowrap;
  gap: 1.75rem;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
}

.testimonial-card {
  flex: 0 0 calc(33.333% - 1.17rem);
  flex-shrink: 0;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 2rem;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.testimonial-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.testimonial-quote {
  font-size: 2.5rem;
  color: var(--clr-primary-light);
  font-family: var(--ff-secondary);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.testimonial-card p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.9rem;
  line-height: 1.75;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.testimonial-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.testimonial-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary-light), #56e8dc);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: var(--clr-primary);
  flex-shrink: 0;
}

.testimonial-meta strong {
  display: block;
  color: var(--clr-white);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: var(--spacing);
}

.testimonial-meta span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

.stars {
  color: #e9b949;
  font-size: 0.75rem;
  margin-bottom: 0.15rem;
}

@media (max-width: 992px) {
  .testimonial-card {
    flex: 0 0 calc(50% - 0.875rem);
  }
}

@media (max-width: 600px) {
  .testimonial-card {
    flex: 0 0 100%;
  }
}

.slider-dots {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.dot {
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background: var(--clr-primary-light);
  transform: scale(1.3);
  box-shadow: 0 0 10px rgba(86, 232, 220, 0.5);
}

/* ══ CTA BAND ══ */
.cta-band {
  padding: 4rem 0;
  text-align: center;
}

.cta-band h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--clr-primary);
  text-transform: uppercase;
  letter-spacing: var(--spacing);
  margin-bottom: 0.75rem;
}

.cta-band p {
  color: #2a3a6e;
  max-width: 40rem;
  margin: 0 auto 2rem;
  font-size: 0.975rem;
}

.cta-btn-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Auto margin-top for consecutive groups — replaces inline style="margin-top:0.75rem" */
.cta-btn-group + .cta-btn-group {
  margin-top: 0.75rem;
}