/* ============================================================
   LEAD FORM — design tokens
   ============================================================ */
:root {
  --lf-modal:          #1a1a1a;
  --lf-field:          #0d0d0d;
  --lf-border:         rgba(255,255,255,0.10);
  --lf-border-hover:   rgba(255,255,255,0.22);
  --lf-border-focus:   #7a4ee0;
  --lf-border-error:   #f87171;
  --lf-divider:        rgba(255,255,255,0.06);
  --lf-text:           #f5f5f5;
  --lf-text-dim:       #9a9a9d;
  --lf-text-mute:      #4d4e4e;
  --lf-accent-soft:    rgba(122,78,224,0.14);
  --lf-error:          #f87171;
  --lf-glow-focus:     0 0 0 3px rgba(122,78,224,0.15);
  --lf-glow-error:     0 0 0 3px rgba(248,113,113,0.15);

  --lf-r-modal:  16px;
  --lf-r-field:  8px;
  --lf-r-pill:   999px;

  --lf-pad:        32px;
  --lf-gap-field:  18px;
  --lf-gap-group:  28px;

  --lf-dur:  200ms;
  --lf-ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* ============================================================
   BACKDROP
   ============================================================ */
.lf-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--lf-dur) var(--lf-ease);
}
.lf-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   MODAL SHELL — sticky header + scrollable body + sticky footer
   ============================================================ */
.lf-modal {
  position: relative;
  background: var(--lf-modal);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--lf-r-modal);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96) translateY(8px);
  opacity: 0;
  transition:
    transform var(--lf-dur) var(--lf-ease),
    opacity   var(--lf-dur) var(--lf-ease);
}
.lf-backdrop.is-open .lf-modal {
  transform: scale(1) translateY(0);
  opacity: 1;
}

/* ============================================================
   CLOSE BUTTON — absolute in modal
   ============================================================ */
.lf-close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 10;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  background: none;
  color: var(--lf-text-dim);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition:
    background   .15s var(--lf-ease),
    border-color .15s var(--lf-ease),
    color        .15s var(--lf-ease);
}
.lf-close svg { width: 14px; height: 14px; }
.lf-close:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.24);
  color: var(--lf-text);
}
.lf-close:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

/* ============================================================
   ACCENT LINE — in header, grows 40% → 100% on submit
   ============================================================ */
.lf-accent-line {
  height: 2px;
  background: linear-gradient(90deg, #7a4ee0, #4CEA91);
  border-radius: 1px;
  width: 40%;
  margin-bottom: 20px;
  transition: width .5s cubic-bezier(0.4,0,0.2,1),
              opacity .3s var(--lf-ease);
}
.lf-accent-line.is-submitting { width: 100%; }
.lf-accent-line.is-done       { opacity: 0; }

/* ============================================================
   STICKY HEADER
   ============================================================ */
.lf-header {
  flex-shrink: 0;
  padding: 28px var(--lf-pad) 22px;
  border-bottom: 1px solid var(--lf-divider);
}
.lf-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--lf-text);
  line-height: 1.15;
  font-style: normal;
}
.lf-title em {
  font-style: normal;
  color: var(--c-accent, #7a4ee0);
}
.lf-subtitle {
  margin-top: 6px;
  font-size: 14px;
  color: var(--lf-text-dim);
  line-height: 1.5;
  max-width: 38ch;
  padding-right: 40px;
}

/* ============================================================
   SCROLLABLE BODY
   ============================================================ */
.lf-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.08) transparent;
  position: relative;
}
.lf-body::-webkit-scrollbar       { width: 4px; }
.lf-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 2px; }

.lf-body-inner { padding: 28px var(--lf-pad) 32px; }

/* ============================================================
   STICKY FOOTER — submit button
   ============================================================ */
.lf-footer {
  flex-shrink: 0;
  padding: 16px var(--lf-pad) 20px;
  border-top: 1px solid var(--lf-divider);
  background: var(--lf-modal);
}

/* ============================================================
   GROUPS
   ============================================================ */
.lf-group + .lf-group {
  margin-top: var(--lf-gap-group);
  padding-top: var(--lf-gap-group);
  border-top: 1px solid var(--lf-divider);
}
.lf-group-label {
  position: relative;
  padding-left: 14px;
  margin-bottom: 18px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--lf-text-mute);
}
.lf-group-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  translate: 0 -50%;
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: var(--c-accent, #7a4ee0);
}

/* ============================================================
   FIELD ROWS
   ============================================================ */
.lf-field { display: flex; flex-direction: column; gap: 8px; }
.lf-field + .lf-field { margin-top: var(--lf-gap-field); }

.lf-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--lf-text-dim);
  line-height: 1;
}
.lf-opt { font-size: 11px; font-weight: 400; color: var(--lf-text-mute); }

/* ============================================================
   TEXT / EMAIL / TEXTAREA
   ============================================================ */
.lf-input,
.lf-select,
.lf-textarea {
  width: 100%;
  background: var(--lf-field);
  border: 1px solid var(--lf-border);
  border-radius: var(--lf-r-field);
  color: var(--lf-text);
  font-family: var(--ff);
  font-size: 14px;
  line-height: 1.5;
  padding: 11px 14px;
  outline: none;
  transition: border-color .15s var(--lf-ease), box-shadow .15s var(--lf-ease);
}
.lf-input::placeholder,
.lf-textarea::placeholder { color: var(--lf-text-mute); }
.lf-input:hover,
.lf-select:hover,
.lf-textarea:hover  { border-color: var(--lf-border-hover); }
.lf-input:focus,
.lf-select:focus,
.lf-textarea:focus  { border-color: var(--lf-border-focus); box-shadow: var(--lf-glow-focus); }
.lf-input.has-error,
.lf-select.has-error,
.lf-textarea.has-error { border-color: var(--lf-border-error); }
.lf-input.has-error:focus,
.lf-select.has-error:focus,
.lf-textarea.has-error:focus { box-shadow: var(--lf-glow-error); }

.lf-textarea { resize: none; min-height: 44px; max-height: 80px; }

/* ============================================================
   SELECT — custom arrow
   ============================================================ */
.lf-select-wrap { position: relative; }
.lf-select-wrap::after {
  content: '';
  position: absolute;
  right: 14px; top: 50%;
  translate: 0 -50%;
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--lf-text-dim);
  pointer-events: none;
}
.lf-select {
  padding-right: 38px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}
.lf-select option { background: var(--lf-modal); color: var(--lf-text); }

/* ============================================================
   PILL RADIOS — messenger
   ============================================================ */
.lf-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.lf-pill  { display: inline-flex; cursor: pointer; user-select: none; }
.lf-pill input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.lf-pill-face {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--lf-r-pill);
  border: 1px solid var(--lf-border);
  background: var(--lf-field);
  color: var(--lf-text-dim);
  font-family: var(--ff);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition:
    border-color .15s var(--lf-ease),
    background   .15s var(--lf-ease),
    color        .15s var(--lf-ease);
}
.lf-pill:hover .lf-pill-face { border-color: var(--lf-border-hover); color: var(--lf-text); }
.lf-pill input:checked + .lf-pill-face {
  border-color: var(--c-accent, #7a4ee0);
  background: var(--lf-accent-soft);
  color: var(--lf-text);
}
.lf-pill input:focus-visible + .lf-pill-face {
  outline: 2px solid var(--c-accent, #7a4ee0);
  outline-offset: 2px;
}
.lf-pills.has-error .lf-pill-face { border-color: rgba(248,113,113,0.4); }
.lf-pills.has-error .lf-pill input:checked + .lf-pill-face { border-color: var(--c-accent, #7a4ee0); }

/* ============================================================
   INTENT LIST — checkboxes as rows
   ============================================================ */
.lf-intent-list  { display: flex; flex-direction: column; }
.lf-intent-row   { padding: 6px 0; }
.lf-intent-row + .lf-intent-row { border-top: 1px solid var(--lf-divider); }

.lf-intent-label {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  padding: 4px 0;
}
.lf-intent-label input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.lf-intent-check {
  flex-shrink: 0;
  width: 20px; height: 20px;
  border-radius: 5px;
  border: 1.5px solid var(--lf-border);
  background: var(--lf-field);
  display: grid;
  place-items: center;
  transition: border-color .15s var(--lf-ease), background .15s var(--lf-ease);
}
.lf-intent-check svg { opacity: 0; transition: opacity .12s var(--lf-ease); }

.lf-intent-label:hover .lf-intent-check { border-color: var(--lf-border-hover); }
.lf-intent-label.is-checked .lf-intent-check {
  border-color: var(--c-accent, #7a4ee0);
  background: var(--c-accent, #7a4ee0);
}
.lf-intent-label.is-checked .lf-intent-check svg { opacity: 1; }
.lf-intent-label input:focus-visible + .lf-intent-check {
  outline: 2px solid var(--c-accent, #7a4ee0);
  outline-offset: 2px;
}

.lf-intent-text {
  font-size: 14px;
  color: var(--lf-text-dim);
  line-height: 1.4;
  transition: color .12s var(--lf-ease);
}
.lf-intent-label.is-checked .lf-intent-text,
.lf-intent-label:hover .lf-intent-text { color: var(--lf-text); }

/* Other textarea inside intent row */
.lf-other-wrap { padding: 8px 0 4px 32px; }

/* ============================================================
   ERROR MESSAGE
   ============================================================ */
.lf-err {
  font-size: 12px;
  color: var(--lf-error);
  line-height: 1.4;
  display: none;
}
.lf-err.is-visible { display: block; }

/* ============================================================
   SUBMIT BUTTON — in footer
   ============================================================ */
.lf-submit {
  width: 100%;
  background: var(--c-cta, #4CEA91);
  color: var(--c-cta-fg, #151515);
  border: none;
  border-radius: var(--lf-r-pill);
  padding: 14px 24px;
  font-family: var(--ff);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  overflow: hidden;
  transition:
    filter    .2s var(--lf-ease),
    transform .2s var(--lf-ease);
}
.lf-submit:hover  { filter: brightness(1.07); transform: translateY(-1px); }
.lf-submit:active { transform: translateY(0); }
.lf-submit:focus-visible { outline: 2px solid var(--c-cta, #4CEA91); outline-offset: 3px; }
.lf-submit[aria-busy="true"] { pointer-events: none; opacity: 0.7; }

.lf-submit-arrow {
  display: flex;
  align-items: center;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .2s var(--lf-ease), transform .2s var(--lf-ease);
}
.lf-submit:hover .lf-submit-arrow {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   SUCCESS STATE
   ============================================================ */
.lf-success {
  display: none;
  flex-direction: column;
  align-items: flex-start;
  padding: 40px var(--lf-pad) 48px;
  gap: 12px;
}
.lf-success.is-visible { display: flex; }

.lf-success-line {
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7a4ee0, #4CEA91);
  border-radius: 1px;
  margin-bottom: 24px;
  transition: width .8s cubic-bezier(0.4,0,0.2,1);
}
.lf-success-line.is-drawn { width: 120px; }

.lf-success-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--lf-text);
  line-height: 1;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .4s var(--lf-ease) .4s, transform .4s var(--lf-ease) .4s;
}
.lf-success-body {
  font-size: 15px;
  color: var(--lf-text-dim);
  line-height: 1.6;
  max-width: 32ch;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .4s var(--lf-ease) .6s, transform .4s var(--lf-ease) .6s;
}
.lf-success-close {
  margin-top: 16px;
  padding: 10px 28px;
  border-radius: var(--lf-r-pill);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.05);
  color: var(--lf-text);
  font-family: var(--ff);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  opacity: 0;
  transform: translateY(6px);
  transition:
    opacity .4s var(--lf-ease) .8s,
    transform .4s var(--lf-ease) .8s,
    background .15s var(--lf-ease),
    border-color .15s var(--lf-ease);
}
.lf-success-close:hover { background: rgba(255,255,255,0.09); border-color: rgba(255,255,255,0.26); }
.lf-success-close:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

.lf-success.is-visible .lf-success-title,
.lf-success.is-visible .lf-success-body,
.lf-success.is-visible .lf-success-close {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   MOBILE — bottom sheet
   ============================================================ */
@media (max-width: 480px) {
  :root { --lf-pad: 20px; }
  .lf-backdrop { padding: 0; align-items: flex-end; }
  .lf-modal {
    max-width: 100%;
    max-height: 96svh;
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    transform: scale(1) translateY(40px);
  }
  .lf-backdrop.is-open .lf-modal { transform: scale(1) translateY(0); }
  .lf-pill-face { padding: 8px 13px; font-size: 12px; }
}