/* ---------- Base ---------- */
.tf-form-page *, .tf-form-page *::before, .tf-form-page *::after { box-sizing: border-box; }
:root {
  --tf-bg: #ffffff;
  --tf-surface: #f6f6f4;
  --tf-text: #111111;
  --tf-muted: #6b6b6b;
  --tf-border: #e3e3df;
  --tf-accent: #32B560;
  --tf-accent-hover: #2aa052;
  --tf-error: #d12c2c;
  --tf-success: #1f8a4c;
  --tf-radius: 6px;
  --tf-radius-lg: 14px;
  --tf-shadow: 0 10px 40px rgba(0,0,0,.06);
  --tf-font: "Inter", "Helvetica Neue", Arial, "Segoe UI", sans-serif;
}

.tf-form-page {
  font-family: var(--tf-font);
  color: var(--tf-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.tf-form-page * { font-family: inherit; }

.tf-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 32px 96px;
}

/* ---------- Hero ---------- */
.tf-hero {
  margin-bottom: 48px;
}
.tf-hero__eyebrow {
  display: inline-block;
  background: var(--tf-accent);
  color: var(--tf-text);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.tf-hero__title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 20px;
}
.tf-hero__title em {
  font-style: normal;
  background: linear-gradient(transparent 65%, var(--tf-accent) 65%);
  padding: 0 4px;
}
.tf-hero__lead {
  font-size: 18px;
  color: var(--tf-muted);
  max-width: 680px;
  margin: 0;
}

.tf-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 36px;
  padding-top: 0;
  border-top: none;
}
.tf-stat {
  background: var(--tf-surface);
  border-radius: var(--tf-radius-lg);
  padding: 24px 28px;
  border: 1px solid var(--tf-border);
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.tf-stat:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(50,181,96,.12);
}
.tf-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--tf-accent), #2aa052);
  border-radius: var(--tf-radius-lg) var(--tf-radius-lg) 0 0;
}
.tf-stat__num {
  font-size: 30px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--tf-text) 30%, var(--tf-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.tf-stat__label {
  font-size: 14px;
  color: var(--tf-muted);
  margin-top: 8px;
  line-height: 1.4;
}

/* ---------- Form card ---------- */
.tf-card {
  background: var(--tf-surface);
  border-radius: var(--tf-radius-lg);
  padding: 40px;
  box-shadow: var(--tf-shadow);
}

.tf-section {
  padding-bottom: 32px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--tf-border);
}
.tf-section:last-of-type { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.tf-section__title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--tf-muted);
  margin: 0 0 20px;
}

.tf-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}
.tf-grid--full > * { grid-column: 1 / -1; }
.tf-col-2 { grid-column: span 2; }

/* ---------- Fields ---------- */
.tf-field { display: flex; flex-direction: column; }
.tf-label {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--tf-text);
}
.tf-label .tf-req { color: var(--tf-error); margin-left: 2px; }

.tf-input,
.tf-select,
.tf-textarea {
  width: 100%;
  background: #fff;
  border: 1px solid var(--tf-border);
  border-radius: var(--tf-radius);
  padding: 12px 14px;
  font-size: 15px;
  color: var(--tf-text);
  transition: border-color .15s ease, box-shadow .15s ease;
  appearance: none;
}
.tf-textarea { min-height: 120px; resize: vertical; }
.tf-select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='none' stroke='%23111' stroke-width='1.5' d='M1 1l5 5 5-5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.tf-input:focus,
.tf-select:focus,
.tf-textarea:focus {
  outline: none;
  border-color: var(--tf-text);
  box-shadow: 0 0 0 3px rgba(50,181,96,.35);
}
.tf-input::placeholder,
.tf-textarea::placeholder { color: #9b9b9b; }

.tf-help {
  font-size: 12px;
  color: var(--tf-muted);
  margin-top: 6px;
}

/* ---------- Checkbox group (specializations) ---------- */
.tf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tf-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}
.tf-chip input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}
.tf-chip span {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--tf-border);
  border-radius: 999px;
  background: #fff;
  font-size: 14px;
  transition: background .15s, border-color .15s, color .15s;
  user-select: none;
}
.tf-chip input:checked + span {
  background: var(--tf-accent);
  border-color: var(--tf-accent);
  color: var(--tf-text);
  font-weight: 500;
}
.tf-chip:hover span { border-color: #999; }

/* ---------- Radio cards ---------- */
.tf-radio-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.tf-radio-card {
  position: relative;
  cursor: pointer;
}
.tf-radio-card input {
  position: absolute; opacity: 0; inset: 0; cursor: pointer;
}
.tf-radio-card__body {
  border: 1px solid var(--tf-border);
  border-radius: var(--tf-radius);
  padding: 14px 16px;
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.tf-radio-card__title { font-weight: 600; font-size: 15px; }
.tf-radio-card__desc { font-size: 13px; color: var(--tf-muted); margin-top: 4px; }
.tf-radio-card input:checked + .tf-radio-card__body {
  border-color: var(--tf-text);
  box-shadow: 0 0 0 3px rgba(50,181,96,.35);
}
.tf-radio-card--full { grid-column: 1 / -1; }

.tf-input.has-value {
  border-color: var(--tf-text);
  box-shadow: 0 0 0 3px rgba(50,181,96,.35);
}

/* ---------- File upload ---------- */
.tf-file {
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px dashed var(--tf-border);
  border-radius: var(--tf-radius);
  padding: 16px;
  background: #fff;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.tf-file:hover { border-color: var(--tf-text); }
.tf-file input { display: none; }
.tf-file__icon {
  width: 40px; height: 40px; flex: 0 0 40px;
  background: var(--tf-accent);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 20px; font-weight: 700;
}
.tf-file__text { display: flex; flex-direction: column; }
.tf-file__title { font-weight: 500; font-size: 15px; }
.tf-file__hint  { font-size: 12px; color: var(--tf-muted); margin-top: 2px; }

/* ---------- Consent ---------- */
.tf-consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 13px;
  color: var(--tf-muted);
  cursor: pointer;
}
.tf-consent input {
  margin: 3px 0 0;
  width: 16px; height: 16px;
  accent-color: var(--tf-text);
  flex: 0 0 16px;
}
.tf-consent a { color: var(--tf-text); text-decoration: underline; }

/* ---------- Submit ---------- */
.tf-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.tf-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--tf-text);
  color: #fff;
  border: none;
  padding: 16px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
.tf-btn:hover { background: #000; transform: translateY(-1px); }
.tf-btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.tf-btn__arrow {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--tf-accent);
  color: var(--tf-text);
  display: grid; place-items: center;
  font-weight: 700;
}

.tf-form-note { font-size: 13px; color: var(--tf-muted); }

/* ---------- Validation ---------- */
.tf-input.is-invalid,
.tf-select.is-invalid,
.tf-textarea.is-invalid { border-color: var(--tf-error); }
.tf-error-msg {
  color: var(--tf-error);
  font-size: 12px;
  margin-top: 6px;
  display: none;
}
.tf-field.is-invalid .tf-error-msg { display: block; }

/* ---------- Success state ---------- */
.tf-success-box {
  display: none;
  text-align: center;
  padding: 48px 24px;
}
.tf-success-box.is-visible { display: block; }
.tf-success-box__icon {
  width: 72px; height: 72px;
  background: var(--tf-accent);
  border-radius: 50%;
  display: inline-grid; place-items: center;
  font-size: 36px; margin-bottom: 20px;
}
.tf-success-box h3 { font-size: 26px; margin: 0 0 10px; }
.tf-success-box p { color: var(--tf-muted); margin: 0; }

/* ---------- Rate builder ---------- */
.tf-rate-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; }
.tf-rate-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.3fr 70px 58px 1fr 34px;
  gap: 6px; align-items: center;
  background: #fff;
  border: 1px solid var(--tf-border);
  border-radius: var(--tf-radius);
  padding: 8px;
}
.tf-pair-data-row { grid-template-columns: 1fr 54px 1fr 34px; }
.tf-rate-row .tf-select { font-size: 13px; padding: 8px 26px 8px 10px; background-position: right 8px center; }
.tf-rate-row .tf-input  { font-size: 13px; padding: 8px 10px; }
.tf-rate-remove {
  padding: 4px 12px !important;
  background: none; border: 1px solid var(--tf-border);
  border-radius: var(--tf-radius); color: var(--tf-muted);
  cursor: pointer; width: auto; height: 34px;
  display: grid; place-items: center; font-size: 18px;
  transition: border-color .15s, color .15s;
}
.tf-rate-remove:hover { border-color: var(--tf-error); color: var(--tf-error); }
.tf-add-row-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: none; border: 1.5px dashed #32B560;
  border-radius: var(--tf-radius); padding: 10px 16px;
  font-size: 14px; color: #32B560; cursor: pointer; width: 100%;
  transition: border-color .15s, color .15s;
}
.tf-add-row-btn:hover { border-color: var(--tf-text); color: var(--tf-text); }

/* ---------- Language switcher ---------- */
.tf-lang-switcher {
  display:  none !important;
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  background: #111;
  border-radius: 10px;
  padding: 5px;
  display: flex;
  gap: 3px;
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.tf-lang-switcher button {
  background: transparent;
  color: rgba(255,255,255,.6);
  border: none;
  padding: 7px 14px;
  border-radius: 7px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  transition: background .15s, color .15s;
  font-family: var(--tf-font);
}
.tf-lang-switcher button:hover {
  color: #fff;
  background: rgba(255,255,255,.08);
}
.tf-lang-switcher button.is-active {
  background: var(--tf-accent);
  color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .tf-container { padding: 40px 16px 64px; }
  .tf-card { padding: 24px; }
  .tf-grid { grid-template-columns: 1fr; }
  .tf-col-2 { grid-column: span 1; }
  .tf-radio-cards { grid-template-columns: 1fr; }
  .tf-stats { grid-template-columns: 1fr; gap: 12px; }
  .tf-pair-dir { flex: 0 0 60px !important; }
  .tf-rate-row { grid-template-columns: 1fr 1fr; }
  .tf-rate-row > :last-child { grid-column: 2; justify-self: end; }
  .tf-lang-switcher { bottom: 16px; right: 16px; }
}