/* ==========================================================================
   COMPONENTS — Buttons, Cards, Forms, Navigation, Language Switcher
   ========================================================================== */

/* --------------------------------------------------------------------------
   BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* Primary — Slate Blue accent */
.btn-primary {
  color: var(--color-white);
  background: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-primary:hover {
  color: var(--color-white);
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-elevated);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary — Ink outline */
.btn-secondary {
  color: var(--color-brand-dark-navy);
  background: transparent;
  border: 2px solid var(--color-brand-dark-navy);
}

.btn-secondary:hover {
  color: var(--color-white);
  background: var(--color-brand-dark-navy);
  border-color: var(--color-brand-dark-navy);
}

/* Ghost — Minimal, text only */
.btn-ghost {
  color: var(--color-text-primary);
  background: transparent;
  border: none;
  padding: var(--space-2) var(--space-4);
}

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

/* Size variants */
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* Full width */
.btn-block {
  width: 100%;
}

/* Disabled */
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* --------------------------------------------------------------------------
   LANGUAGE SWITCHER
   -------------------------------------------------------------------------- */
.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-background-alt);
  border: var(--border-hairline);
  border-radius: var(--radius-full);
  padding: var(--space-1);
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  color: var(--color-text-primary);
}

.lang-btn[aria-current="true"] {
  color: var(--color-white);
  background: var(--color-brand-dark-navy);
}

.lang-btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   NAVIGATION / HEADER
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: var(--border-hairline);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-subtle);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 var(--section-padding-x);
  max-width: var(--container-2xl);
  margin: 0 auto;
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-brand-dark-navy);
}

.site-logo:hover {
  color: var(--color-brand-dark-navy);
}

.site-logo:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.logo-mark {
  width: 36px;
  height: 36px;
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}

/* Navigation menu */
.nav-menu {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-8);
}

@media (min-width: var(--bp-md)) {
  .nav-menu {
    display: flex;
  }
}

.nav-link {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav-link:hover {
  color: var(--color-brand-dark-navy);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  width: 100%;
}

.nav-link[aria-current="page"] {
  color: var(--color-text-primary);
}

/* Header actions (CTA + Lang switcher) */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Mobile menu button */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
}

.menu-toggle:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-brand-dark-navy);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.menu-toggle span {
  position: relative;
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
}

.menu-toggle span::before { top: -7px; }
.menu-toggle span::after { top: 7px; }

.menu-toggle[aria-expanded="true"] span {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] span::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile menu panel */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 320px;
  z-index: var(--z-modal);
  background: var(--color-background);
  border-left: var(--border-hairline);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
  padding: var(--space-8) var(--space-6);
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-modal) - 1);
  background: rgba(14, 14, 16, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-menu-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-nav-link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-lg);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-primary);
  border-bottom: var(--border-hairline);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-accent);
}

.mobile-nav-link[aria-current="page"] {
  color: var(--color-accent);
}

.mobile-menu-cta {
  margin-top: var(--space-8);
  width: 100%;
}

@media (min-width: var(--bp-md)) {
  .menu-toggle,
  .mobile-menu,
  .mobile-menu-overlay {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   CARDS
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-background);
  border: var(--border-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card);
}

.card-image {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slower);
}

.card:hover .card-image img {
  transform: scale(1.03);
}

.card-content {
  padding: var(--space-6);
}

.card-tag {
  display: inline-block;
  margin-bottom: var(--space-2);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(168, 132, 87, 0.1);
  border-radius: var(--radius-full);
}

.card-title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xl);
  font-weight: 500;
  line-height: var(--leading-snug);
}

.card-title a {
  color: inherit;
}

.card-title a:hover {
  color: var(--color-accent);
}

.card-text {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  border-top: var(--border-hairline);
}

.card-price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
}

/* --------------------------------------------------------------------------
   FORMS
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background: var(--color-background);
  border: var(--border-hairline);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-border-strong);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(168, 132, 87, 0.15);
}

.form-input:invalid:not(:placeholder-shown),
.form-textarea:invalid:not(:placeholder-shown) {
  border-color: #C0392B;
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%230E0E10' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-error {
  display: none;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: #C0392B;
}

.form-input[aria-invalid="true"] + .form-error,
.form-textarea[aria-invalid="true"] + .form-error {
  display: block;
}

.form-success {
  display: none;
  padding: var(--space-4);
  font-size: var(--text-base);
  color: #1A7A3D;
  background: rgba(26, 122, 61, 0.1);
  border: 1px solid rgba(26, 122, 61, 0.3);
  border-radius: var(--radius-md);
}

.form-success.visible {
  display: block;
}

/* Checkbox */
.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkbox-mark {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.form-checkbox input:focus-visible + .checkbox-mark {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

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

.form-checkbox input:checked + .checkbox-mark::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid var(--color-white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.checkbox-label {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.checkbox-label a {
  color: var(--color-accent);
  text-decoration: underline;
}

.checkbox-label a:hover {
  color: var(--color-accent-hover);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-brand-dark-navy);
  color: var(--color-white);
  padding: var(--space-24) 0 var(--space-12);
}

.footer-grid {
  display: grid;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

@media (min-width: var(--bp-md)) {
  .footer-grid {
    grid-template-columns: 2fr repeat(3, 1fr);
  }
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.footer-logo:hover {
  color: var(--color-accent);
}

.footer-tagline {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

.footer-title {
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer-nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-nav li {
  margin-bottom: var(--space-2);
}

.footer-nav a {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-contact {
  margin: 0;
  font-style: normal;
  line-height: var(--leading-relaxed);
}

.footer-contact p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

.footer-contact a {
  color: var(--color-text-secondary);
}

.footer-contact a:hover {
  color: var(--color-accent);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: var(--border-hairline);
  border-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  color: var(--color-frosted-blue);
  transition: all var(--transition-fast);
}

.social-link:hover {
  color: var(--color-white);
  border-color: var(--color-accent);
  background: var(--color-accent);
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-sticky);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-elevated);
  color: var(--color-white);
  text-decoration: none;
  transition: all var(--transition-base);
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  color: var(--color-white);
}

.whatsapp-float:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

@keyframes pulse {
  0% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3); }
  50% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5); }
  100% { box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3); }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float {
    animation: none;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 48px;
    height: 48px;
  }
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(245, 242, 236, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

@media (min-width: var(--bp-md)) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-copyright {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-legal {
  display: flex;
  gap: var(--space-6);
}

.footer-legal a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.footer-legal a:hover {
  color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   BADGES / TAGS
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border-radius: var(--radius-full);
}

.badge-brass {
  color: var(--color-white);
  background: var(--color-accent);
}

.badge-outline {
  color: var(--color-text-secondary);
  border: var(--border-hairline);
  background: transparent;
}

/* --------------------------------------------------------------------------
   DIVIDERS
   -------------------------------------------------------------------------- */
.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
  border: none;
  margin: var(--space-8) 0;
}

.divider-short {
  width: 60px;
  margin: var(--space-8) auto;
}

/* --------------------------------------------------------------------------
   ICONS (inline SVG utility)
   -------------------------------------------------------------------------- */
.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: middle;
  fill: currentColor;
}

.icon-sm { width: 16px; height: 16px; }
.icon-md { width: 20px; height: 20px; }
.icon-lg { width: 24px; height: 24px; }
.icon-xl { width: 32px; height: 32px; }