/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-12);
  font-family: var(--font-family-body);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: var(--border-width-fine) solid transparent;
  background: transparent;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn--primary, .btn-primary {
  background-color: var(--color-text-main);
  color: var(--color-bg-main);
  border-color: var(--color-text-main);
}

.btn--primary:hover, .btn-primary:hover {
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
}

.btn--secondary, .btn-outline {
  border-color: var(--color-text-main);
  color: var(--color-text-main);
}

.btn--secondary:hover, .btn-outline:hover {
  background-color: var(--color-text-main);
  color: var(--color-bg-main);
}

/* NAVIGATION (Glassmorphism) */
.header, .site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-sticky);
  background-color: rgba(252, 251, 248, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,0.03);
  transition: transform var(--transition-base), background-color var(--transition-base);
}

.header--hidden {
  transform: translateY(-100%);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--spacing-side);
  max-width: var(--layout-max-width);
  margin: 0 auto;
}

.nav-left, .nav-right {
  display: none;
}

@media (min-width: 1024px) {
  .nav-left, .nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    flex: 1;
  }
  .nav-right {
    justify-content: flex-end;
  }
}

.nav-center {
  flex: 0 1 auto;
  text-align: center;
}

.logo {
  font-family: var(--font-family-heading);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--letter-spacing-tight);
  text-decoration: none;
  color: var(--color-text-main);
  line-height: 1;
}

.nav-left a, .nav-right a, .nav-right button {
  font-family: var(--font-family-body);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-main);
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
}

.nav-left a::after, .nav-right a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background-color: var(--color-text-main);
  transition: width var(--transition-base);
}

.nav-left a:hover::after, .nav-right a:hover::after {
  width: 100%;
}

.lang-selector, .currency-selector {
  font-family: var(--font-family-body);
  font-size: var(--font-size-xs);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
}

/* CARDS (Editorial Fashion) */
.card, .product-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-decoration: none;
  color: var(--color-text-main);
}

.card > a, .product-card > a {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.card__image-wrap, .product-card img {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: var(--color-bg-section);
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image-wrap, .product-card:hover img {
  transform: scale(1.05);
}

.card__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  text-align: center;
}

.card__name, .product-name {
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-regular);
  letter-spacing: var(--letter-spacing-normal);
  text-align: center;
}

.card__price, .product-price {
  font-family: var(--font-family-body);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
}

/* FORMS */
.input,
.select,
.textarea {
  width: 100%;
  padding: var(--space-4) 0;
  border: none;
  border-bottom: var(--border-width-fine) solid var(--color-border);
  background: transparent;
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  color: var(--color-text-main);
  transition: border-color var(--transition-fast);
  border-radius: 0;
}

.input:focus,
.select:focus,
.textarea:focus {
  border-bottom-color: var(--color-text-main);
  outline: none;
}

/* MODALS */
.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(252, 251, 248, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal.is-open {
  opacity: 1;
  visibility: visible;
}

.modal__content {
  background-color: var(--color-bg-card);
  padding: var(--space-16);
  max-width: 600px;
  width: 100%;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-base);
  box-shadow: var(--shadow-modal);
}

.modal.is-open .modal__content {
  transform: translateY(0);
}

.modal__close {
  position: absolute;
  top: var(--space-6);
  right: var(--space-6);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}
.modal__close:hover { color: var(--color-text-main); }

/* FOOTER */
.site-footer {
  padding-block: var(--space-24) var(--space-8);
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-section);
}
.footer-columns {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-12);
}
@media (min-width: 768px) {
  .footer-columns { grid-template-columns: repeat(3, 1fr); }
}
.footer-col h3 {
  font-family: var(--font-family-body);
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-widest);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
}
.footer-col a, .footer-col p {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-text-main);
  text-decoration: none;
  margin-bottom: var(--space-2);
}
.footer-bottom {
  margin-top: var(--space-16);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; }
}