/* ============================================================
   COMPONENTS — buttons, cards, form, testimonial, etc.
   ============================================================ */

/* --- Buttons ----------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-base);
  line-height: 1;
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition:
    background-color var(--duration-fast) var(--ease-base),
    box-shadow var(--duration-fast) var(--ease-base),
    transform var(--duration-fast) var(--ease-base);
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-sm);
  color: var(--color-white);
}
.btn-primary:active {
  background-color: var(--color-accent-hover);
  box-shadow: none;
  transform: translateY(1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn-outline:hover {
  background-color: var(--color-accent-subtle);
  border-color: var(--color-accent-hover);
  color: var(--color-accent-hover);
}
.btn-outline:active {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-sm {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-6);
}

.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Secondary text link with arrow */
.btn-text-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition:
    color var(--duration-fast) var(--ease-base);
}
.btn-text-arrow .arrow {
  display: inline-block;
  transition: transform var(--duration-fast) var(--ease-base);
}
.btn-text-arrow:hover {
  color: var(--color-text-primary);
  text-decoration: none;
}
.btn-text-arrow:hover .arrow { transform: translateX(4px); }

/* --- Header nav links -------------------------------------- */
/* Hidden on mobile; shown as inline links on desktop        */
.nav-links {
  display: none;
}
@media (min-width: 900px) {
  .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
  }
  .nav-link {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-base);
    white-space: nowrap;
  }
  .nav-link:hover {
    color: var(--color-text-primary);
    text-decoration: none;
  }
}

/* --- Language toggle --------------------------------------- */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.lang-btn {
  background: none;
  border: none;
  padding: var(--space-1) var(--space-2);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  cursor: pointer;
  color: var(--color-text-muted);
  font-weight: 400;
  transition: color var(--duration-fast) var(--ease-base);
  line-height: 1;
}
.lang-btn:hover { color: var(--color-text-secondary); }
.lang-btn[aria-pressed="true"] {
  color: var(--color-text-primary);
  font-weight: 500;
}
.lang-sep {
  color: var(--color-border);
  user-select: none;
  font-size: var(--text-sm);
  line-height: 1;
}

/* --- Header ------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  transition: box-shadow var(--duration-base) var(--ease-base),
              background-color var(--duration-base) var(--ease-base);
}
.site-header.scrolled {
  box-shadow: var(--shadow-sm);
  background-color: var(--color-header-scrolled-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: var(--space-6);
}
.site-logo {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
}
.site-logo:hover { color: var(--color-text-primary); text-decoration: none; }
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

@media (max-width: 479px) {
  .header-inner { height: 56px; }
  .site-logo { font-size: var(--text-xs); }
  .site-nav { gap: var(--space-3); }
  .btn-sm { font-size: var(--text-xs); padding: var(--space-2) var(--space-4); }
}

/* --- Service cards ----------------------------------------- */
.service-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition:
    box-shadow var(--duration-base) var(--ease-base),
    transform var(--duration-base) var(--ease-base);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.card-number {
  display: block;
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  color: var(--color-accent);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: var(--space-4);
  user-select: none;
}
.service-card h3 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}
.service-card p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* --- Testimonial ------------------------------------------- */
.testimonial-block {
  max-width: var(--max-width-content);
  margin-inline: auto;
  text-align: left;
}
.quote-mark {
  display: block;
  font-family: var(--font-serif);
  font-size: 4rem;
  line-height: 0.6;
  color: var(--color-accent);
  opacity: 0.2;
  margin-bottom: var(--space-4);
  user-select: none;
}
.quote-text {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  font-style: normal;
}
@media (min-width: 768px) {
  .quote-text { font-size: var(--text-lg); }
}
.quote-attribution {
  margin-top: var(--space-6);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* --- Approach ---------------------------------------------- */
.approach-lead {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  line-height: 1.5;
  color: var(--color-text-primary);
  margin-bottom: var(--space-8);
}
@media (min-width: 768px) {
  .approach-lead { font-size: var(--text-2xl); }
}
.approach-body p { color: var(--color-text-secondary); }

/* --- Contact form ------------------------------------------ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.form-group label {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text-primary);
}
.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--duration-fast) var(--ease-base);
  appearance: none;
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
}
.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
  background-color: var(--color-error-subtle);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}
.field-error {
  font-size: var(--text-sm);
  color: var(--color-error);
  min-height: 1.2em;
}
.field-error::before {
  content: '⚠ ';
}
.field-error:empty::before { content: ''; }

.privacy-note {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}
.privacy-note a { color: var(--color-accent); }

.form-status {
  margin-bottom: var(--space-4);
  font-size: var(--text-base);
  min-height: 1.5em;
}
.form-status.error {
  color: var(--color-error);
}

.btn-submit { width: 100%; }
@media (min-width: 480px) { .btn-submit { width: auto; } }

/* --- Form success panel (replaces the form on submission) -- */
.form-success {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  gap: var(--space-6);
  min-height: 240px;
}
.form-success-icon {
  display: block;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  font-size: 1.5rem;
  line-height: 48px;
  text-align: center;
  user-select: none;
}
.form-success p {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  color: var(--color-text-primary);
  line-height: 1.5;
  margin: 0;
}
@media (min-width: 768px) {
  .form-success p { font-size: var(--text-2xl); }
}

/* --- Credential badge -------------------------------------- */
.credential {
  margin-top: var(--space-6);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-accent);
}

/* --- Social links ------------------------------------------ */
.social-links {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: color var(--duration-fast) var(--ease-base);
}
.social-link:hover { color: var(--color-text-secondary); text-decoration: none; }
.social-link svg { width: 20px; height: 20px; }

/* --- Contact email ----------------------------------------- */
.contact-email {
  display: inline-block;
  margin-top: var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-accent);
  font-weight: 500;
}
.contact-email:hover { color: var(--color-accent-hover); }

/* --- Footer ------------------------------------------------ */
.site-footer {
  background-color: var(--color-footer-bg);
  padding-block: var(--space-8);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-copy {
  font-size: var(--text-sm);
  color: rgba(245, 243, 239, 0.5);
}
.footer-nav {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: var(--text-sm);
  color: rgba(245, 243, 239, 0.6);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-base);
}
.footer-nav a:hover {
  color: rgba(245, 243, 239, 1);
  text-decoration: none;
}
.footer-social {
  display: flex;
  gap: var(--space-4);
}
.footer-social .social-link {
  color: rgba(245, 243, 239, 0.6);
}
.footer-social .social-link:hover {
  color: rgba(245, 243, 239, 1);
}

/* --- Scroll indicator -------------------------------------- */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-muted);
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* --- Section anchor rule mark ------------------------------ */
.section-rule {
  display: block;
  width: 32px;
  height: 2px;
  background-color: var(--color-accent);
  margin-bottom: var(--space-8);
}

/* --- FAQ --------------------------------------------------- */
.faq-list {
  max-width: var(--max-width-content);
}
.faq-item {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-6);
}
.faq-item:last-child {
  border-bottom: 1px solid var(--color-border);
}
.faq-q {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-base);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}
.faq-a {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-left: 0;
}

/* --- Long-form (legal/privacy) ----------------------------- */
.prose h2 {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--text-xl);
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
}
.prose p,
.prose li {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}
.prose ul { list-style: disc; padding-left: var(--space-6); }
.prose a { color: var(--color-accent); }
.prose strong { font-weight: 500; }
.placeholder {
  background: var(--color-surface-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-muted);
  font-style: italic;
  font-size: var(--text-sm);
}