/* 
   ==========================================================================
   HEADER & FOOTER STANDARDS
   Shared across all pages for consistency.
   ========================================================================== */

:root {
  --color-bg: #FFFFFF;
  --color-text-primary: #0A0A0A;
  --color-text-secondary: #6B6B6B;
  --color-text-light: #9A9A9A;
  --color-border: #E5E5E5;
  --color-surface: #F7F7F7;
  --color-black: #0A0A0A;
  --color-white: #FFFFFF;

  --font-serif: 'Inria Serif', Georgia, serif;
  --font-display: 'Bodoni Moda', serif;
  
  --transition-base: 0.35s ease;
  --radius-sm: 2px;
  --max-width: 1280px;
  --spacing-md: 24px;
}

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  transition: border-bottom var(--transition-base);
  font-family: var(--font-serif);
}

.site-header.scrolled {
  border-bottom: 1px solid var(--color-border);
}

.header-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 15px var(--spacing-md);
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.logo {
  font-family: var(--font-display);
  font-style: normal;
  font-size: 18px;
  letter-spacing: 0.02em;
  font-weight: 400;
  color: var(--color-black);
}

.desktop-nav {
  margin-left: auto;
  margin-right: 2rem;
}

.desktop-nav a {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: none;
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin: 0 12px;
  position: relative;
  transition: color var(--transition-base);
  text-decoration: none;
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -4px;
  left: 0;
  background-color: var(--color-black);
  transition: width var(--transition-base);
}

.desktop-nav a:hover {
  color: var(--color-black);
}

.desktop-nav a:hover::after {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  font-family: var(--font-display) !important;
  font-style: italic !important;
  font-weight: 400 !important;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn-primary:hover {
  background-color: #333;
}

.btn-small {
  padding: 8px 18px;
  font-size: 0.9rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 1100;
  margin-left: 1rem;
}

.hamburger, .hamburger::before, .hamburger::after {
  content: '';
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-black);
  position: absolute;
  transition: all var(--transition-base);
}

.hamburger { top: 9px; }
.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.mobile-toggle.active .hamburger { background: transparent; }
.mobile-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
.mobile-toggle.active .hamburger::after { bottom: 0; transform: rotate(-45deg); }

.mobile-menu-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 1050;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu-content {
  display: flex;
  flex-direction: column;
  text-align: center;
  gap: 24px;
}

.mobile-link {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2rem;
  color: var(--color-black);
  transition: color var(--transition-base);
  text-decoration: none;
}

/* Footer */
.site-footer {
  padding: 4rem 0 3rem;
  background-color: #1a1a1a;
  color: var(--color-white);
  font-family: var(--font-serif);
}

.site-footer .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
  align-items: flex-start;
}

.footer-col.brand-col .logo {
  color: var(--color-white);
  margin-bottom: 1rem;
  display: block;
}

.contact-social-col {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.2rem;
}

.contact-social-col a {
  color: rgba(255,255,255,0.6);
  transition: color 0.3s ease;
  line-height: 0;
}

.contact-social-col a:hover {
  color: var(--color-white);
}

.social-icon-img {
  width: 20px;
  height: 20px;
  filter: brightness(0) invert(1) opacity(0.6);
  transition: opacity 0.3s ease;
}

.contact-social-col a:hover .social-icon-img {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 52px;
  height: 52px;
  background: var(--color-black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  transition: all var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  font-family: var(--font-serif);
}

.modal.active {
  display: block;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
}

.modal-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-white);
  width: 90%;
  max-width: 800px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  border-radius: 2px;
}

.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--color-text-light);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-md);
  position: relative;
}
.form-group label {
  display: block;
  font-size: 1.15rem;
  font-family: var(--font-serif);
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-text-primary);
  margin-bottom: 12px;
}
.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 0;
  border: none;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-serif);
  font-size: 16px;
  background: transparent;
  color: var(--color-text-primary);
  transition: border-bottom var(--transition-base);
}
.form-group textarea {
  min-height: 100px;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-bottom-color: var(--color-black);
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.tag-checkbox input {
  display: none;
}
.tag-checkbox span {
  display: inline-block;
  padding: 10px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1.15rem;
  cursor: pointer;
  transition: all var(--transition-base);
}
.tag-checkbox input:checked + span {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
}
.tag-radio {
  cursor: pointer;
}
.tag-radio input {
  display: none;
}
.tag-radio span {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1.15rem;
  cursor: pointer;
  transition: all var(--transition-base);
}
.tag-radio input:checked + span {
  background: var(--color-black);
  color: var(--color-white);
  border-color: var(--color-black);
}

.error-msg {
  display: none;
  color: #D32F2F;
  font-size: 12px;
  margin-top: 4px;
}
.form-group.has-error .error-msg {
  display: block;
}
.form-group.has-error input,
.form-group.has-error textarea {
  border-bottom-color: #D32F2F;
}

.form-row {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-row:hover {
  border-color: var(--color-text-primary);
}

.form-row input[type="radio"],
.form-row input[type="checkbox"] {
  margin-right: 1rem;
  width: 18px;
  height: 18px;
  accent-color: var(--color-black);
}

.form-row.is-selected {
  border-color: var(--color-text-primary);
  background-color: #F5F5F7;
}

.form-row span {
  font-size: 1rem;
  color: var(--color-text-primary);
}

.success-message {
  text-align: center;
  padding: 40px 0;
  opacity: 0;
  animation: fadeIn 0.5s forwards;
}
.success-message h2 {
  font-size: 40px;
  margin-bottom: 16px;
}
@keyframes fadeIn {
  to { opacity: 1; }
}

/* Responsive Locks */
@media (max-width: 900px) {
  .desktop-nav, .btn-primary.btn-small {
    display: none;
  }
  .mobile-toggle {
    display: block;
    margin-left: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .contact-social-col {
    justify-content: center;
  }
}