/* ============================================
   FAQ — Apple Hairline Divider Accordion
   ============================================ */

.faq {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  border-top: 1px solid var(--border-subtle);
}

.faq .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 0;
}

.faq .section-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 480px;
  margin: 8px auto var(--sp-10);
  line-height: 1.5;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-top: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--border-subtle);
}

[data-theme="light"] .faq-item {
  border-top-color: rgba(10, 15, 30, 0.08);
}

[data-theme="light"] .faq-item:last-child {
  border-bottom-color: rgba(10, 15, 30, 0.08);
}

/* Hide default browser disclosure triangle */
.faq-question {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 22px 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}

.faq-question::-webkit-details-marker,
.faq-question::marker {
  display: none !important;
}

.faq-question:hover {
  color: var(--accent);
}

/* Smooth rotating plus indicator (rotates 45deg to an 'x' on open) */
.faq-question::after {
  content: '';
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888899' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 0.25s var(--ease-out), filter var(--transition-fast);
}

[data-theme="light"] .faq-question::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23555566' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 0 22px 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.faq-answer p {
  margin: 0;
}

.faq-answer a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.faq-answer a:hover {
  color: var(--accent);
}

/* ============================================
   FAQ — Apple Hairline Divider Accordion
   ============================================ */

.faq {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
  border-top: 1px solid var(--border-subtle);
}

.faq .section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 0;
}

.faq .section-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 480px;
  margin: 8px auto var(--sp-10);
  line-height: 1.5;
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-top: 1px solid var(--border-subtle);
  transition: border-color var(--transition-fast);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--border-subtle);
}

[data-theme="light"] .faq-item {
  border-top-color: rgba(10, 15, 30, 0.08);
}

[data-theme="light"] .faq-item:last-child {
  border-bottom-color: rgba(10, 15, 30, 0.08);
}

/* Hide default browser disclosure triangle */
.faq-question {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding: 22px 0;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  transition: color var(--transition-fast);
}

.faq-question::-webkit-details-marker,
.faq-question::marker {
  display: none !important;
}

.faq-question:hover {
  color: var(--accent);
}

/* Smooth rotating plus indicator (rotates 45deg to an 'x' on open) */
.faq-question::after {
  content: '';
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888899' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 0.25s var(--ease-out), filter var(--transition-fast);
}

[data-theme="light"] .faq-question::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23555566' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='12' y1='5' x2='12' y2='19'/%3E%3Cline x1='5' y1='12' x2='19' y2='12'/%3E%3C/svg%3E");
}

.faq-item[open] .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 0 22px 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.faq-answer p {
  margin: 0;
}

.faq-answer a {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.faq-answer a:hover {
  color: var(--accent);
}

/* ============================================
   FOOTER — Apple-Grade Grounded Architectural Footer
   ============================================ */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background: #09090d;
  padding: var(--sp-12) 0 var(--sp-8);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

[data-theme="light"] .site-footer {
  background: #f5f5f7;
  border-top-color: rgba(0, 0, 0, 0.08);
  color: #6e6e73;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-10);
}

/* Directory Grid */
.footer-directory {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-8);
  align-items: start;
}

/* Brand Anchor */
.footer-brand-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-brand-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.footer-brand-title img {
  width: 22px;
  height: 22px;
  border-radius: 5px;
}

.footer-brand-note {
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-muted);
}

/* Directory Columns */
.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col-header {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0;
  margin: 0;
}

.footer-col a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--text-primary);
}

/* Bottom Legal & Utility Bar */
.footer-baseline {
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

[data-theme="light"] .footer-baseline {
  border-top-color: rgba(0, 0, 0, 0.08);
}

.footer-back-to-top {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition-fast);
}

.footer-back-to-top:hover {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .footer-directory {
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-6);
  }
  .footer-brand-block {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .footer-directory {
    grid-template-columns: 1fr;
  }
}