/* ==========================================================================
   Qasem Dentistry — Components
   Buttons, timeline, accordion, quote blocks, sticky bar, language switcher.
   ========================================================================== */

/* ---- Button (global spec) ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 16px 28px;
  background-color: var(--accent-green);
  color: var(--text-inverse);
  font-size: var(--body-size);
  font-weight: 500;
  border-radius: var(--radius-button);
  transition: background-color var(--transition-fast);
  border: none;
  min-height: 56px; /* improved mobile touch target */
}

html[lang="ar"] .btn {
  font-weight: 600;
}

.btn:hover,
.btn:focus-visible {
  background-color: var(--accent-green-hover);
}

.btn:active {
  background-color: #21362A;
}

.btn--full {
  width: 100%;
}

.btn--outline {
  background-color: transparent;
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--accent-green);
  color: var(--text-inverse);
}

.btn--large {
  padding: 20px 40px;
  font-size: 18px;
}

.btn__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ---- Language switcher ---- */

.lang-switcher {
  position: fixed;
  top: 24px;
  inset-inline-end: 24px;
  z-index: 20;
  font-size: 14px;
}

@media (max-width: 767px) {
  .lang-switcher {
    top: 16px;
    inset-inline-end: 16px;
  }
}

.lang-switcher a {
  color: var(--text-primary);
  padding: 4px;
}

.lang-switcher a[aria-current="true"] {
  color: var(--accent-green);
  font-weight: 600;
}

/* ---- Credential subline (Hero) ---- */

.credential {
  color: var(--secondary-blue);
  margin-block-start: 12px;
}

@media (max-width: 1023px) {
  .credential {
    margin-block-start: 8px;
  }
}

/* ---- Timeline (Doctor Profile) ---- */

.timeline {
  margin-block-start: 24px;
}

.timeline__row {
  display: flex;
  gap: var(--space-3);
  padding-block: 16px;
  border-block-end: var(--border-hairline);
}

.timeline__row:last-child {
  border-block-end: none;
}

@media (max-width: 1023px) {
  .timeline__row {
    padding-block: 12px;
  }
}

.timeline__year {
  font-weight: 700;
  color: var(--secondary-blue);
  flex-shrink: 0;
  min-width: 64px;
}

/* ---- Philosophy quote (Doctor Profile) ---- */

.philosophy-quote {
  font-style: italic;
  font-size: var(--h3-size);
  line-height: var(--lh-h3);
  color: var(--secondary-blue);
  margin-block: 48px;
  padding-inline-start: 16px;
  border-inline-start: 2px solid var(--accent-green);
}

@media (max-width: 1023px) {
  .philosophy-quote {
    margin-block: 32px;
  }
}

/* ---- Expertise grid item ---- */

.expertise-item__icon {
  width: 48px;
  height: 48px;
  color: var(--secondary-blue);
}

@media (max-width: 1023px) {
  .expertise-item__icon {
    width: 40px;
    height: 40px;
  }
}

.expertise-item__title {
  margin-block-start: 12px;
}

.expertise-item__desc {
  margin-block-start: 8px;
  max-width: 280px;
  color: var(--text-primary);
}

.expertise-item {
  padding-block-end: var(--space-6);
}

@media (max-width: 1023px) {
  .expertise-item {
    padding-block: var(--space-5);
    border-block-end: var(--border-hairline);
  }

  .expertise-item:last-child {
    border-block-end: none;
  }
}

/* ---- Patient reviews ---- */

.review-stat {
  text-align: center;
  color: var(--secondary-blue);
  margin-block-end: 48px;
  font-size: var(--h3-size);
  line-height: var(--lh-h3);
}

@media (max-width: 1023px) {
  .review-stat {
    margin-block-end: 32px;
  }
}

.review-card__quote {
  font-style: italic;
  font-size: 18px;
  line-height: var(--lh-body);
}

.review-card__source {
  margin-block-start: 16px;
  color: var(--neutral-gray);
}

@media (max-width: 1023px) {
  .review-card {
    padding-block-end: 40px;
    border-block-end: var(--border-hairline);
  }

  .review-card:last-child {
    border-block-end: none;
    padding-block-end: 0;
  }
}

.reviews-cta-row {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-block-start: 48px;
  flex-wrap: wrap;
}

@media (max-width: 1023px) {
  .reviews-cta-row {
    flex-direction: column;
    margin-block-start: 32px;
  }
}

/* ---- FAQ Accordion ---- */

.faq {
  max-width: 720px;
  margin-inline: auto;
}

.faq__item {
  border-block-end: var(--border-hairline);
}

.faq__item:first-child {
  border-block-start: var(--border-hairline);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: 24px;
  font-weight: 700;
  font-size: 18px;
  text-align: start;
}

@media (max-width: 1023px) {
  .faq__question {
    padding-block: 20px;
  }
}

.faq__icon {
  width: 16px;
  height: 16px;
  color: var(--accent-green);
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq__question[aria-expanded="true"] .faq__icon {
  transform: rotate(45deg);
}

.faq__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-base);
}

.faq__answer[data-open="true"] {
  max-height: 500px;
}

.faq__answer-inner {
  padding-block-end: 24px;
  padding-block-start: 8px;
  color: var(--text-primary);
}

/* ---- Final CTA reassurance line ---- */

.reassurance {
  color: var(--neutral-gray-light);
  text-align: center;
  margin-block-start: 12px;
}

/* ---- Sticky Mobile WhatsApp Bar (mobile only, per locked spec) ---- */

.sticky-bar {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 30;
  height: 60px;
  background-color: var(--bg-primary);
  border-block-start: 1px solid var(--neutral-gray-20);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(100%);
  opacity: 0;
  transition: transform var(--transition-base), opacity var(--transition-base);
  pointer-events: none;
}

.sticky-bar[data-visible="true"] {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.sticky-bar__link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  height: 100%;
  justify-content: center;
  font-weight: 500;
  color: var(--text-primary);
}

html[lang="ar"] .sticky-bar__link {
  font-weight: 600;
}

.sticky-bar__icon {
  width: 20px;
  height: 20px;
  color: var(--accent-green);
}

/* Sticky bar is mobile-only per locked spec — no desktop equivalent exists */
@media (min-width: 1024px) {
  .sticky-bar {
    display: none;
  }
}