/* =============================================
   Studio Vitrine — Composants réutilisables
   ============================================= */

/* --- Logo --- */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  font-size: 1.0625rem;
  flex-shrink: 0;
}

/* Logo image (header) — fond blanc du PNG fondu sur l'en-tête clair */
.logo__img {
  height: 2.75rem;
  width: auto;
  display: block;
  mix-blend-mode: multiply;
}

/* Logo image (footer) — version sur fond marine, intégrée au footer #001136 */
.logo__img--footer {
  height: 6.5rem;
  mix-blend-mode: normal;
  border-radius: var(--radius-md);
}

@media (min-width: 768px) {
  .logo__img {
    height: 3rem;
  }
}

/* --- Boutons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: background var(--transition-base), color var(--transition-base),
    border-color var(--transition-base), transform var(--transition-fast),
    box-shadow var(--transition-base);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 12px rgba(1, 82, 253, 0.35);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  box-shadow: 0 4px 20px rgba(1, 82, 253, 0.4);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-text);
  background: var(--color-bg-alt);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding: 0.5rem 0;
  font-weight: 600;
}

.btn--ghost:hover {
  color: var(--color-accent-hover);
}

.btn--lg {
  padding: 0.9375rem 1.75rem;
  font-size: 1rem;
}

.btn--sm {
  padding: 0.375rem 0;
  font-size: 0.875rem;
}

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

.btn--header {
  display: none;
}

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

.btn__loader {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Cartes génériques --- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card--icon .card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.card__text {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.card--minimal {
  background: transparent;
  border: none;
  padding: var(--space-lg);
}

.card--minimal:hover {
  box-shadow: none;
  transform: translateY(-2px);
}

.card__number {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-md);
}

.cards-grid {
  display: grid;
  gap: var(--space-lg);
}

.cards-grid--3 {
  grid-template-columns: 1fr;
}

.cards-grid--4 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .cards-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .cards-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .cards-grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }

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

/* --- Formulaire --- */
.contact-form {
  background: var(--color-bg-card);
  color: var(--color-text);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
}

.form-row {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form-required {
  color: var(--color-accent);
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-input.is-error {
  border-color: #c0392b;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b6560' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-textarea {
  resize: vertical;
  min-height: 7rem;
}

.form-group--checkbox {
  margin-bottom: var(--space-xl);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: 0.875rem;
  line-height: 1.5;
}

.form-checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.form-checkbox__box {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  margin-top: 0.125rem;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.form-checkbox input:checked + .form-checkbox__box {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.form-checkbox input:checked + .form-checkbox__box::after {
  content: '';
  position: absolute;
  left: 0.3rem;
  top: 0.1rem;
  width: 0.35rem;
  height: 0.6rem;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.form-checkbox input:focus-visible + .form-checkbox__box {
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.form-rgpd {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: var(--space-md);
  text-align: center;
}

.form-feedback {
  margin-top: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  text-align: center;
}

.form-feedback--success {
  background: #e8f5e9;
  color: #2e7d32;
}

.form-feedback--error {
  background: #fdecea;
  color: #c0392b;
}

.form-actions {
  margin-top: var(--space-md);
}

@media (min-width: 768px) {
  .contact-form {
    padding: var(--space-2xl);
  }
}

@media (min-width: 768px) {
  .btn--header {
    display: inline-flex;
  }
}