/* ============================================
   METALINK VISION — Premium Forms
   ============================================ */

/* --- Modal overlay --- */
.form-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

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

.form-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.form-modal__dialog {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: min(92vh, 780px);
  overflow-y: auto;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.98) 0%, rgba(248, 250, 252, 0.96) 100%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 24px;
  box-shadow:
    0 32px 80px rgba(15, 23, 42, 0.25),
    0 0 0 1px rgba(37, 99, 235, 0.06);
  transform: translateY(24px) scale(0.96);
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.form-modal.is-open .form-modal__dialog {
  transform: translateY(0) scale(1);
}

.form-modal__dialog--wide {
  max-width: 580px;
}

.form-modal__glow {
  position: absolute;
  top: -80px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.form-modal__header {
  padding: 28px 28px 0;
  position: relative;
}

.form-modal__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 100px;
  background: rgba(37, 99, 235, 0.08);
  color: var(--primary);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.form-modal__title {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  margin-bottom: 8px;
}

.form-modal__subtitle {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.form-modal__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.06);
  color: var(--text-muted);
  font-size: 1.125rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}

.form-modal__close:hover {
  background: rgba(239, 68, 68, 0.1);
  color: #EF4444;
  transform: rotate(90deg);
}

.form-modal__body {
  padding: 24px 28px 28px;
}

/* --- Auth tabs --- */
.form-tabs {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: rgba(15, 23, 42, 0.05);
  border-radius: 14px;
  margin-bottom: 24px;
}

.form-tabs__btn {
  flex: 1;
  padding: 10px 16px;
  border: none;
  border-radius: 10px;
  background: transparent;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.3s ease;
}

.form-tabs__btn.is-active {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.12);
}

.form-panel {
  display: none;
}

.form-panel.is-active {
  display: block;
  animation: formPanelIn 0.35s ease;
}

@keyframes formPanelIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Form fields --- */
.premium-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.premium-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.premium-form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.premium-form__group--full {
  grid-column: 1 / -1;
}

.premium-form__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--dark);
  display: flex;
  align-items: center;
  gap: 4px;
}

.premium-form__label span {
  color: #EF4444;
}

.premium-form__input-wrap {
  position: relative;
  display: block;
}

.premium-form__input-wrap > i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1;
  pointer-events: none;
  transition: color 0.25s ease;
}

.premium-form__input-wrap--textarea > i {
  top: 15px;
  transform: none;
}

.premium-form__input,
.premium-form__select,
.premium-form__textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  font-family: inherit;
  font-size: 0.9375rem;
  line-height: 1.4;
  color: var(--text);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.premium-form__input,
.premium-form__select {
  min-height: 48px;
}

.premium-form__input-wrap .premium-form__input,
.premium-form__input-wrap .premium-form__select,
.premium-form__input-wrap .premium-form__textarea {
  padding-left: 44px;
}

.premium-form__select {
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--white);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%2364748B' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.premium-form__input[type="date"] {
  appearance: none;
  -webkit-appearance: none;
}

.premium-form__input[type="date"]::-webkit-calendar-picker-indicator {
  opacity: 0.55;
  cursor: pointer;
  margin-right: 2px;
}

.premium-form__textarea {
  min-height: 110px;
  resize: vertical;
  padding-top: 14px;
}

.premium-form__input-wrap .premium-form__textarea {
  padding-top: 14px;
}

.premium-form__input:focus,
.premium-form__select:focus,
.premium-form__textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
  background: var(--white);
}

.premium-form__input-wrap:focus-within > i {
  color: var(--primary);
}

.premium-form__input.is-invalid,
.premium-form__select.is-invalid,
.premium-form__textarea.is-invalid {
  border-color: #EF4444;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.premium-form__error {
  font-size: 0.75rem;
  color: #EF4444;
  min-height: 1rem;
}

.premium-form__hint {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.premium-form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.premium-form__checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary);
  flex-shrink: 0;
}

.premium-form__checkbox a {
  color: var(--primary);
  text-decoration: underline;
}

.premium-form .premium-form__submit {
  width: 100%;
  margin-top: 4px;
  position: relative;
  overflow: hidden;
}

.premium-form .premium-form__submit.is-loading {
  pointer-events: none;
  opacity: 0.85;
}

.premium-form .premium-form__submit.is-loading .btn__text {
  opacity: 0;
}

.premium-form .premium-form__submit.is-loading .btn__loader {
  opacity: 1;
}

.btn__loader {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.btn__loader i {
  animation: formSpin 0.8s linear infinite;
}

@keyframes formSpin {
  to { transform: rotate(360deg); }
}

.premium-form__footer {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.premium-form__footer button {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
  font-size: inherit;
}

.premium-form__footer button:hover {
  text-decoration: underline;
}

/* --- Toast notifications --- */
.form-toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 380px;
  padding: 16px 20px;
  border-radius: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.18);
  transform: translateX(calc(100% + 40px));
  transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.form-toast.is-visible {
  transform: translateX(0);
}

.form-toast--success {
  border-left: 4px solid #22C55E;
}

.form-toast--error {
  border-left: 4px solid #EF4444;
}

.form-toast__icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.form-toast--success .form-toast__icon {
  background: rgba(34, 197, 94, 0.12);
  color: #22C55E;
}

.form-toast--error .form-toast__icon {
  background: rgba(239, 68, 68, 0.12);
  color: #EF4444;
}

.form-toast__content strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--dark);
  margin-bottom: 2px;
}

.form-toast__content p {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.4;
}

/* --- Footer newsletter upgrade --- */
.newsletter-form {
  display: flex;
  align-items: stretch;
  gap: 8px;
  width: 100%;
  max-width: 100%;
}

.newsletter-form input {
  flex: 1 1 auto;
  min-width: 0;
  width: 0;
}

.newsletter-form .btn,
.newsletter-form .premium-form__submit {
  flex: 0 0 auto;
  width: auto;
  min-width: 44px;
  margin-top: 0;
  padding: 0 14px;
  align-self: stretch;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.newsletter-form .btn .btn__text,
.newsletter-form .btn i {
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.newsletter-form.is-loading {
  opacity: 0.7;
  pointer-events: none;
}

.newsletter-form__error {
  font-size: 0.75rem;
  color: #FCA5A5;
  margin-top: 6px;
  min-height: 1rem;
}

/* --- CTA inline form strip --- */
.cta-forms {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.cta-form-card--wide {
  grid-column: 1 / -1;
}

.section__header--light .section__badge--light {
  background: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-form-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  padding: 24px;
  text-align: left;
}

.cta-form-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}

.cta-form-card p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 16px;
}

.cta-form-card .premium-form__input,
.cta-form-card .premium-form__select,
.cta-form-card .premium-form__textarea {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
  .premium-form__row {
    grid-template-columns: 1fr;
  }

  .cta-forms {
    grid-template-columns: 1fr;
  }

  .form-modal {
    padding: 16px;
    align-items: flex-end;
  }

  .form-modal__dialog {
    border-radius: 24px 24px 0 0;
    max-height: 94vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  .form-modal__dialog,
  .form-toast,
  .form-panel.is-active {
    transition: none;
    animation: none;
  }
}