.nav-toggle {
  display: inline-grid;
  gap: 0.3rem;
  place-items: center;
  width: 3rem;
  height: 3rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-primary);
}

.nav-toggle__line {
  width: 1.2rem;
  height: 2px;
  background: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
  transform: translateY(0.45rem) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(3) {
  transform: translateY(-0.45rem) rotate(-45deg);
}

.site-nav__link,
.button,
.site-footer__link,
.contact-block__link {
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.7rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.site-nav__link.is-active {
  color: var(--color-primary);
  background: transparent;
  box-shadow: inset 0 -2px 0 var(--color-primary);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.9rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: 0;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: none;
}

.button--secondary {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
  box-shadow: none;
}

.button--ghost {
  border-color: var(--color-primary);
  background: #fff;
  color: var(--color-primary);
}

.hero,
.services,
.highlights,
.contact-page,
.about-sections {
  padding-block: var(--space-2xl);
}

.hero__inner,
.contact-page {
  display: grid;
  gap: var(--space-xl);
}

.hero__copy,
.about-hero,
.contact-block,
.section-block,
.contact-form,
.donation-card {
  padding: 0;
}

.hero__eyebrow,
.section-heading__eyebrow,
.section-block__eyebrow,
.about-hero__eyebrow,
.contact-block__eyebrow,
.site-footer__eyebrow,
.donation-card__eyebrow {
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary);
}

.hero__title,
.section-heading__title,
.about-hero__title,
.site-footer__title,
.contact-block__title,
.donation-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 4.2rem);
  font-weight: 500;
  line-height: 1.16;
  color: var(--color-primary);
}

.hero__title span {
  display: block;
}

.hero__lede,
.hero__supporting,
.section-block__text,
.service-card__text,
.highlight-card__text,
.contact-block__text,
.site-footer__text,
.donation-card__text,
.about-hero__intro,
.contact-form__hint {
  color: var(--color-text-muted);
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: var(--space-lg);
}

.donation-card {
  max-width: 760px;
  margin-inline: auto;
}

.donation-card__header {
  margin-bottom: 1.5rem;
}

.donation-card__title {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  color: var(--color-text);
}

.hero__card {
  position: relative;
  display: grid;
  gap: var(--space-md);
  min-height: 260px;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  justify-items: center;
  background: var(--color-surface-soft);
}

.hero__logo {
  width: clamp(7rem, 14vw, 9rem);
}

.services-grid,
.about-sections {
  display: grid;
  gap: var(--space-lg);
}

.section-heading {
  display: grid;
  gap: var(--space-sm);
  margin-bottom: 2.5rem;
}

.section-heading__title {
  font-size: clamp(1.75rem, 4vw, 2.7rem);
  font-weight: 500;
}

.service-card,
.highlight-card {
  padding: 1.6rem 0;
  border-top: 1px solid var(--color-border);
}

.service-card:hover,
.highlight-card:hover,
.section-block:hover,
.donation-card:hover,
.contact-form:hover {
  transform: none;
  box-shadow: none;
}

.service-card__number {
  margin: 0 0 1rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.service-card__title,
.highlight-card__title,
.section-block__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-text);
}

.section-block__list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.stack-form,
.contact-form__grid {
  display: grid;
  gap: 1rem;
}

.stack-form__grid {
  display: grid;
  gap: 1rem;
}

.stack-form label,
.contact-form label {
  display: grid;
  gap: 0.5rem;
  color: var(--color-text);
  font-weight: 600;
}

.stack-form span,
.contact-form span {
  font-size: 0.95rem;
}

.stack-form input,
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: #fff;
  color: var(--color-text);
}

.amount-input {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 0.8rem;
  padding: 0.3rem 0.4rem 0.3rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  background: #fff;
}

.amount-input input {
  border: 0;
  padding-left: 0;
}

.contact-form__message {
  grid-column: 1 / -1;
}

.contact-form textarea {
  resize: vertical;
}

.contact-block__meta {
  display: grid;
  gap: 0.75rem;
}

.site-footer__link,
.contact-block__link {
  color: var(--color-primary);
  font-weight: 600;
}

.site-footer__link:hover,
.contact-block__link:hover {
  color: var(--color-primary-strong);
}

.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 700ms ease, transform 700ms ease;
  transition-delay: var(--reveal-delay, 0ms);
}

/* === Messages de formulaire === */

.form-message {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(-0.5rem);
  transition: opacity 300ms ease, transform 300ms ease;
}

.form-message--visible {
  opacity: 1;
  transform: translateY(0);
}

.form-message__icon {
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.form-message__text {
  flex: 1;
}

.form-message--success {
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
}

.form-message--success .form-message__icon {
  color: #28a745;
}

.form-message--error {
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  color: #721c24;
}

.form-message--error .form-message__icon {
  color: #dc3545;
}

/* État de chargement du bouton */

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .service-card,
  .highlight-card,
  .section-block,
  .donation-card,
  .contact-form,
  .button,
  .site-nav__link,
  .site-footer__link,
  .contact-block__link {
    transition: none;
    transform: none;
  }

  .reveal {
    opacity: 1;
  }
}

@media (min-width: 48rem) {
  .stack-form__grid,
  .contact-form__grid,
  .services-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero__inner,
  .contact-page {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 64rem) {
  .nav-toggle {
    display: none;
  }

  .services-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}