/* =============================================
   Contact form page
   ============================================= */
.contact-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  height: var(--nav-h);
  padding: 0 var(--page-px);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--stroke);
}

.contact-nav__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--fg);
  text-decoration: none;
  transition: color 0.25s ease;
}

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

.contact-nav__back svg {
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.contact-nav__back:hover svg {
  transform: translateX(-3px);
}

/* Page layout */
.contact-page {
  min-height: 100vh;
  max-width: 44rem;
  margin: 0 auto;
  padding: calc(var(--nav-h) + clamp(3rem, 8vw, 5rem)) var(--page-px) clamp(4rem, 10vw, 6rem);
}

/* Header */
.contact-page__header {
  margin-bottom: clamp(3rem, 7vw, 4.5rem);
}

.contact-page__label {
  margin: 0 0 0.75rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

.contact-page__title {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.contact-page__sub {
  margin: 0;
  font-size: clamp(0.9375rem, 1.8vw, 1.0625rem);
  line-height: 1.65;
  color: var(--fg-secondary);
  max-width: 34rem;
}

/* Form */
.contact-form {
  opacity: 1;
  transition: opacity 0.4s ease;
}

.contact-form--hidden {
  display: none;
}

.contact-form__group {
  border: none;
  padding: 0;
  margin: 0 0 clamp(2rem, 5vw, 3rem);
}

.contact-form__group--consent {
  padding: clamp(1.5rem, 3vw, 2rem);
  background: var(--bg-tint);
  border: 1px solid var(--stroke);
  border-radius: 0.75rem;
}

.contact-form__legend {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

@media (max-width: 600px) {
  .contact-form__row {
    grid-template-columns: 1fr;
  }
}

.contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.contact-form__row .contact-form__field {
  margin-bottom: 0;
}

.contact-form__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--fg);
}

.contact-form__label span {
  color: var(--accent);
}

.contact-form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--stroke-strong);
  border-radius: 0.5rem;
  outline: none;
  transition:
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.contact-form__input::placeholder {
  color: var(--muted);
}

.contact-form__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(88, 88, 232, 0.1);
}

/* :placeholder-shown only applies to text inputs & textareas; using it on <select> breaks validation styling */
input.contact-form__input:invalid:not(:placeholder-shown):not(:focus),
textarea.contact-form__input:invalid:not(:placeholder-shown):not(:focus) {
  border-color: #e74c3c;
}

select.contact-form__select:invalid:not(:focus) {
  border-color: #e74c3c;
}

.contact-form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%233a3d52' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.contact-form__textarea {
  resize: vertical;
  min-height: 7rem;
  line-height: 1.6;
}

/* DPA consent section */
.contact-form__dpa-notice {
  margin: 0 0 1.25rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--fg-secondary);
}

.contact-form__dpa-notice a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-form__check-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--fg-secondary);
  cursor: pointer;
}

.contact-form__checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.contact-form__checkmark {
  flex-shrink: 0;
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.15rem;
  border: 1.5px solid var(--stroke-strong);
  border-radius: 0.25rem;
  background: var(--bg);
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
  position: relative;
}

.contact-form__checkbox input:checked + .contact-form__checkmark {
  background: var(--accent);
  border-color: var(--accent);
}

.contact-form__checkbox input:checked + .contact-form__checkmark::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 5px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.contact-form__checkbox input:focus-visible + .contact-form__checkmark {
  box-shadow: 0 0 0 3px rgba(88, 88, 232, 0.15);
}

.contact-form__checkbox a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* Required note */
.contact-form__required-note {
  margin: 0 0 1.5rem;
  font-size: 0.75rem;
  color: var(--muted);
}

/* Submit */
.contact-form__actions {
  display: flex;
}

.contact-form__submit {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition:
    background 0.25s ease,
    transform 0.2s ease,
    box-shadow 0.25s ease;
}

.contact-form__submit:hover {
  background: var(--accent-light);
  box-shadow: 0 8px 30px rgba(88, 88, 232, 0.25);
  transform: translateY(-1px);
}

.contact-form__submit:active {
  transform: translateY(0);
}

.contact-form__submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.contact-form__submit-arrow {
  font-size: 1.1rem;
  transition: transform 0.25s ease;
}

.contact-form__submit:hover .contact-form__submit-arrow {
  transform: translateX(3px);
}

/* Error */
.contact-form__error {
  margin: 1rem 0 0;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #e74c3c;
  min-height: 1.2em;
}

/* Success state */
.contact-success {
  text-align: center;
  padding: clamp(4rem, 10vw, 6rem) 0;
  animation: fadeInUp 0.6s ease both;
}

.contact-success--hidden {
  display: none;
}

.contact-success__icon {
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.contact-success__icon svg {
  width: 3rem;
  height: 3rem;
}

.contact-success__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  font-weight: 700;
  color: var(--fg);
}

.contact-success__text {
  margin: 0 0 2rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--fg-secondary);
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.contact-success__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.25s ease;
}

.contact-success__link:hover {
  opacity: 0.75;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(1.5rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}