body {
  font-family: "Poppins", system-ui, sans-serif;
  background:
    radial-gradient(ellipse 70% 50% at 100% 0%, rgba(255, 65, 108, 0.05) 0%, transparent 50%),
    #FAF9F5;
}
.text-balance { text-wrap: balance; }
.nav-shell {
  background: rgba(255, 253, 248, 0.92);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(217, 215, 208, 0.6);
  box-shadow: 0 4px 24px rgba(24, 24, 24, 0.06);
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: #8C8880;
  transition: color 0.2s ease;
}
.nav-link:hover, .nav-link.is-active { color: #1B1B1B; }
#nav-menu.is-open { display: flex; }
.contact-info-card {
  background: linear-gradient(160deg, #FFFDF8 0%, #F4F3EF 100%);
  border: 1px solid rgba(217, 215, 208, 0.7);
  border-radius: 1.5rem;
  padding: 1.75rem;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid rgba(217, 215, 208, 0.5);
}
.contact-info-item:last-child { border-bottom: none; padding-bottom: 0; }
.contact-info-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  background: #FAF9F5;
  border: 1px solid #D9D7D0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.form-card {
  background: #FFFDF8;
  border: 1px solid rgba(217, 215, 208, 0.65);
  border-radius: 2rem;
  box-shadow: 0 20px 50px rgba(24, 24, 24, 0.05);
  overflow: hidden;
}
.form-card-header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid rgba(217, 215, 208, 0.45);
  background: #FAF9F5;
}
.form-card-body {
  padding: 1.75rem;
  background: #FAF9F5;
}
@media (min-width: 640px) {
  .form-card-header { padding: 1.75rem 2rem; }
  .form-card-body { padding: 2rem; }
}
.form-section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8C8880;
  margin-bottom: 0.65rem;
}
.form-field { margin-bottom: 0.7rem; }
.form-field:last-child { margin-bottom: 0; }
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #1B1B1B;
  margin-bottom: 0.35rem;
}
.form-label .optional {
  font-weight: 500;
  color: #8C8880;
  font-size: 12px;
}
.form-input {
  width: 100%;
  height: 3.25rem;
  padding: 0 1.35rem;
  font-size: 15px;
  font-family: inherit;
  color: #1B1B1B;
  background: #FFFDF8;
  border: 1px solid #D9D7D0;
  border-radius: 0.75rem;
  box-shadow: none;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.form-input::placeholder { color: #BDBAB2; }
.form-input:hover {
  border-color: #C5C2BA;
  background: #FFFFFF;
}
.form-input:focus {
  outline: none;
  background: #FFFFFF;
  border-color: var(--biso-brand);
  box-shadow: 0 0 0 3px rgba(var(--biso-brand-rgb), 0.12);
}
.form-input.is-invalid {
  border-color: #e11d48;
  background: #FFFDF8;
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.1);
}
textarea.form-input {
  height: auto;
  min-height: 10rem;
  padding: 1.125rem 1.35rem;
  border-radius: 0.875rem;
  resize: vertical;
  line-height: 1.55;
}
.form-select-wrap { position: relative; }
.form-select-wrap .form-input {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 3rem;
  cursor: pointer;
}
.form-select-wrap::after {
  content: "expand_more";
  font-family: "Material Symbols Outlined";
  position: absolute;
  right: 1.1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.35rem;
  color: #8C8880;
  pointer-events: none;
}
.form-error {
  font-size: 12px;
  color: #e11d48;
  margin-top: 0.4rem;
  display: none;
  align-items: center;
  gap: 0.25rem;
}
.form-error.is-visible { display: flex; }
.form-rgpd {
  background: #FFFDF8;
  border: 1px solid #D9D7D0;
  border-radius: 0.75rem;
  padding: 1.125rem 1.35rem;
}
.form-rgpd input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.15rem;
  accent-color: var(--biso-brand);
  border-radius: 0.25rem;
  flex-shrink: 0;
}
.form-submit {
  width: 100%;
  height: 3.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 14px;
  font-weight: 600;
  color: #FAF9F5;
  background: var(--biso-brand);
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease, background 0.2s ease;
  box-shadow: 0 8px 24px rgba(var(--biso-brand-rgb), 0.28);
}
.form-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  background: var(--biso-brand-hover);
  box-shadow: 0 14px 32px rgba(var(--biso-brand-rgb), 0.35);
}
.form-submit:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}
.contact-success {
  background: linear-gradient(135deg, #F4F3EF 0%, #E9E8E4 100%);
  border: 1px solid #D9D7D0;
  border-radius: 1.25rem;
  padding: 1.25rem 1.5rem;
}