/* ----- Buttons ----- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.85rem 1.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  letter-spacing: 0.02em;
  background-color: var(--color-yellow);
  color: var(--color-blue-primary);
  border-radius: var(--radius-lg);
  //border: 1px solid var(--color-cta);
  border:none;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  appearance: none;
  -webkit-appearance: none;
}

.button:hover {
  background-color: var(--color-blue-secondary);
  color: var(--color-cta-text);
}

.button--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.button--secondary:hover {
  background-color: var(--color-text-primary);
  color: var(--color-cta-text);
}

.button--inverted {
  background-color: var(--color-blue-secondary);
  color: var(--color-cta-text);
}

.button--inverted:hover {
  background-color: var(--color-yellow);
  color: var(--color-blue-primary);
}

.button--small {
  padding: 0.55rem 1.1rem;
  font-size: var(--font-size-small);
}

.button--block {
  display: flex;
  width: 100%;
}

/* ----- Placeholder logo (gray block) ----- */

.placeholder-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 40px;
  background-color: var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.1em;
  border-radius: var(--radius-lg);
  text-transform: uppercase;
}

.placeholder-logo--wide {
  width: 160px;
}

/* ----- Header ----- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: var(--space-md);
  padding-inline: var(--space-lg);
}

@media (min-width: 768px) {
  .site-header__inner { padding-inline: var(--space-xl); }
}

.site-header__brand {
  display: inline-block;
  align-self: flex-start;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.site-header__brand-image {
  display: block;
  height: calc(var(--header-height) * 1.15);
  width: auto;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.site-header__retailers {
  flex: 1;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
  min-width: 0;
}

@media (min-width: 1024px) {
  .site-header__retailers { display: flex; }
}

.site-header__retailers-intro {
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  color: var(--color-gray-6);
  display: none;
}

@media (min-width: 768px) {
  .site-header__retailers-intro { display: inline; }
}

.site-header__retailers-list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.site-header__retailer-link {
  display: inline-flex;
  align-items: center;
}

.site-header__retailer-logo {
  display: block;
  height: 28px;
  width: auto;
  filter: brightness(0);
  opacity: 0.55;
  transition: filter var(--transition-fast), opacity var(--transition-fast);
}

.site-header__retailer-link:hover .site-header__retailer-logo {
  filter: none;
  opacity: 1;
}

.site-header__retailer-logo--amazon    { height: 25px; transform: translateY(17px); }
.site-header__retailer-logo--sc-store  { height: 52px; transform: translateY(7px); }
.site-header__retailer-logo--porchlight { height: 45px; transform: translateY(0); }
.site-header__retailer-logo--audible       { height: 27px; transform: translateY(5px); }
.site-header__retailer-logo--barnes-noble  { height: 16px; transform: translateY(10px); }
.site-header__retailer-logo--bookshop      { height: 25px; transform: translateY(8px); }

@media (max-width: 1299px) {
  .site-header__retailers-list              { gap: var(--space-md); }
  .site-header__retailer-logo--amazon       { height: 18.75px; }
  .site-header__retailer-logo--sc-store     { height: 39px; }
  .site-header__retailer-logo--porchlight   { height: 33.75px; }
  .site-header__retailer-logo--audible      { height: 20.25px; }
  .site-header__retailer-logo--barnes-noble { height: 12px; }
  .site-header__retailer-logo--bookshop     { height: 18.75px; }
}

.site-header__cta {
  display: inline-flex;
  flex: 1;
  height: calc(var(--header-height) - 2 * var(--space-md));
  padding-block: 0;
}

@media (min-width: 768px) {
  .site-header__cta { flex: 0 0 auto; margin-left: auto; }
}

@media (min-width: 1024px) {
  .site-header__cta { margin-left: 0; }
}

.site-header__hamburger {
  position: relative;
  z-index: 110;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: calc(var(--header-height) * 0.75);
  align-self: stretch;
  padding: 0;
  background-color: var(--color-blue-primary);
  border: none;
  cursor: pointer;
  margin-right: calc(-1 * var(--space-lg));
}

@media (max-width: 767px) {
  .site-header__hamburger {
    width: calc(var(--header-height) * 1.0);
  }
}

@media (min-width: 768px) {
  .site-header__hamburger {
    margin-right: calc(-1 * var(--space-xl));
  }
}

.site-header__hamburger span {
  display: block;
  width: 32px;
  height: 3px;
  background-color: var(--color-bg);
  border-radius: 1.5px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.site-header__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.site-header__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.site-header__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* ----- Mobile menu panel ----- */

.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(320px, 85vw);
  z-index: 100;
  display: flex;
  flex-direction: column;
  background-color: var(--color-blue-primary);
  padding: var(--space-xl);
  padding-top: calc(var(--header-height) + var(--space-md));
  border-left: 1px solid var(--color-blue-primary);
  box-shadow: -8px 0 24px rgba(0, 0, 0, 0.08);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--transition-normal), visibility 0s 250ms;
}

.mobile-menu.is-open {
  transform: translateX(0);
  visibility: visible;
  transition: transform var(--transition-normal), visibility 0s;
}

@media (max-width: 640px) {
  .mobile-menu.is-open {
    width: 100%;
    text-align: center; 
    left: 0;
    border-left: none;
    box-shadow: none;
  }
}

.mobile-menu__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.mobile-menu__nav-link {
  font-size: 1.4rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-bg);
}

.mobile-menu__nav-link:hover {
  color: var(--color-yellow);
}

.mobile-menu__cta {
  margin-top: auto;
  margin-bottom: var(--space-xl);
}

/* ----- Footer ----- */

.site-footer {
  background-color: #ffffff;
  padding-block: var(--space-2xl);
  text-align: center;
  scroll-margin-top: 0;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-xs) var(--space-md);
  font-size: var(--font-size-small);
}

.site-footer__sep {
  color: var(--color-text-muted);
}

.site-footer__copyright {
  margin-top: var(--space-md);
  font-size: var(--font-size-xs);
  color: var(--color-gray-6); /* #666 — passes AA contrast (5.74:1 on white) */
}

/* ----- Forms ----- */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  //max-width: 560px;
  margin-inline: auto;
}

.form__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form__label {
  font-size: var(--font-size-form);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.form__input,
.form__select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-size: var(--font-size-form);
  font-family: inherit;
  line-height: var(--line-height-normal);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}

.form__select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23555' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  padding-right: 2.25rem;
}

.form__input:focus,
.form__select:focus {
  outline: none;
  border-color: var(--color-blue-primary);
}

.form__input:focus-visible,
.form__select:focus-visible {
  outline: 2px solid var(--color-blue-primary);
  outline-offset: 2px;
}

.form__checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.form__checkbox-row input {
  flex-shrink: 0;
  margin-top: 0.5em;
}

.form__disclaimer {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-align: center;
}

/* ----- Cards ----- */

.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

.card--elevated {
  background-color: var(--color-bg);
}

/* ----- Marquee ----- */

.marquee {
  overflow: hidden;
  position: relative;
  width: 100%;
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
          mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee__track {
  display: flex;
  gap: var(--space-2xl);
  width: max-content;
  animation: marquee-scroll 40s linear infinite;
}

.marquee:hover .marquee__track {
  animation-play-state: paused;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track {
    animation: none;
    transform: none;
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ----- Buy modal ----- */

.buy-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-overlay);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.buy-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.buy-modal__inner {
  position: relative;
  width: 100%;
  max-width: 760px;
  background-color: var(--color-gray-2);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  text-align: center;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.buy-modal.is-open .buy-modal__inner {
  transform: scale(1);
}

.buy-modal__close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
}

.buy-modal__close:hover {
  color: var(--color-text-primary);
}

.buy-modal__book-cover {
  width: 100px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.buy-modal__heading {
  margin: 0 0 var(--space-xl);
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.buy-modal__buttons,
.buy-modal__buttons.final-cta__buttons {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  flex-direction: unset;
  align-items: unset;
  justify-content: unset;
  flex-wrap: unset;
}

@media (min-width: 768px) {
  .buy-modal__buttons,
  .buy-modal__buttons.final-cta__buttons {
    grid-template-columns: 1fr 1fr;
  }
}

.buy-modal__buttons .button {
  padding: var(--space-lg);
  width: 100%;
  min-height: 130px;
}

.buy-modal__buttons .button:last-child:nth-child(odd) {
  width: 100%;
}

@media (min-width: 768px) {
  .buy-modal__buttons .button:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    width: 50%;
    margin: 0 auto;
  }
}

.buy-modal__buttons .final-cta__retailer-logo--amazon   { height: 28px; }
.buy-modal__buttons .final-cta__retailer-logo--audible  { height: 32px; }
.buy-modal__buttons .final-cta__retailer-logo--porchlight { height: 52px; }
.buy-modal__buttons .final-cta__retailer-logo--barnes-noble { height: 16px; }
.buy-modal__buttons .final-cta__retailer-logo--bookshop { height: 24px; }

@media (max-width: 402px) {
  .buy-modal__heading {
    font-size: 1rem;
    margin-bottom: var(--space-md);
  }

  .buy-modal__buttons .button,
  .buy-modal__buttons.final-cta__buttons .button {
    padding: var(--space-xs) var(--space-md);
    min-height: 0;
    font-size: var(--font-size-xs);
  }

  .buy-modal__buttons .final-cta__retailer-logo--amazon      { height: 20px; }
  .buy-modal__buttons .final-cta__retailer-logo--audible     { height: 23px; }
  .buy-modal__buttons .final-cta__retailer-logo--porchlight  { height: 36px; }
  .buy-modal__buttons .final-cta__retailer-logo--barnes-noble { height: 11px; }
  .buy-modal__buttons .final-cta__retailer-logo--bookshop    { height: 17px; }
}

/* ----- Video modal ----- */

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: var(--color-overlay);
  padding: var(--space-md);
}

.video-modal.is-open {
  display: flex;
}

.video-modal__inner {
  position: relative;
  width: 100%;
  max-width: 960px;
  aspect-ratio: 16 / 9;
  background-color: #000;
}

.video-modal__close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-cta-text);
  background: none;
  border: none;
}

.video-modal__iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ----- Testimonial grid ----- */

.testimonials-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.testimonials-grid__card {
  flex: 0 0 100%;
}

@media (min-width: 640px) {
  .testimonials-grid__card {
    flex: 0 0 calc((100% - var(--space-lg)) / 2);
  }
}

@media (min-width: 1024px) {
  .testimonials-grid__card {
    flex: 0 0 calc((100% - var(--space-lg) * 2) / 3);
  }
}

@media (min-width: 1280px) {
  .testimonials-grid__card {
    flex: 0 0 calc((100% - var(--space-lg) * 3) / 4);
  }
}

.testimonials-grid__card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.testimonials-grid__image {
  width: 100%;
  aspect-ratio: 35 / 22;
  object-fit: cover;
  display: block;
}

.testimonials-grid__body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-);
  flex: 1;
}

.testimonials-grid__name {
  font-weight: var(--font-weight-semibold);
  font-size: 1.375rem;
  color: var(--color-blue-primary);
  line-height: var(--line-height-tight);
}

.testimonials-grid__quote-mark {
  font-family: Georgia, serif;
  font-size: 3.5rem;
  line-height: 0.1;
  color: var(--color-blue-secondary);
  display: block;
  margin-top: var(--space-xl);
  margin: 45px 0 10px 0;
}

.testimonials-grid__quote {
  flex: 1;
  font-size: 1rem;
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
}

.testimonials-grid__role {
  font-size: 1rem;
  font-style: italic;
  margin-top: 20px;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

/* ----- Testimonial carousel ----- */

.testimonials__viewport {
  overflow: hidden;
  position: relative;
}

.testimonials__track {
  display: flex;
  gap: var(--space-lg);
  transition: transform var(--transition-normal);
}

.testimonials__card {
  flex: 0 0 100%;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .testimonials__card { flex: 0 0 calc((100% - var(--space-lg)) / 2); }
}

@media (min-width: 1024px) {
  .testimonials__card { flex: 0 0 calc((100% - var(--space-lg) * 2) / 3); }
}

.testimonials__quote-mark {
  font-family: Georgia, serif;
  font-size: 3rem;
  line-height: 0.6;
  color: var(--color-text-muted);
}

.testimonials__quote {
  font-size: var(--font-size-form);
  line-height: var(--line-height-relaxed);
  font-style: italic;
  color: var(--color-text-primary);
}

.testimonials__attribution {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: auto;
}

.testimonials__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonials__name {
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
}

.testimonials__role {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.testimonials__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.testimonials__nav {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.testimonials__nav:hover {
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}

.testimonials__indicators {
  display: flex;
  gap: var(--space-xs);
  padding: 0;
  margin: 0;
}

.testimonials__indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background-color: var(--color-border);
  padding: 0;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.testimonials__indicator[aria-current="true"] {
  background-color: var(--color-text-primary);
}

.req:before {
  content: "*";
  color: #ff0000;
  margin: 0 5px 0 0;
}