/* ==========================================================================
   Components — reusable pieces shared with Stage 2.
   Each block below is one component; keep them independent of page layout.
   ========================================================================== */

/* --- CTAButton --------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7em 1.25em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease),
              border-color var(--duration-fast) var(--ease),
              color var(--duration-fast) var(--ease),
              transform var(--duration-fast) var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.6; cursor: default; }

.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover { background: var(--color-accent-strong); color: #fff; }
.theme-dark .btn--primary { color: var(--color-dark-bg); }
.theme-dark .btn--primary:hover { color: var(--color-dark-bg); }

.btn--secondary {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}
.btn--secondary:hover { border-color: var(--color-ink); color: var(--color-ink); background: var(--color-bg-elevated); }

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding-inline: 0.5em;
}
.btn--ghost:hover { color: var(--color-accent-strong); }

.btn--lg { font-size: var(--text-md); padding: 0.85em 1.5em; }
.btn--sm { font-size: var(--text-sm); padding: 0.5em 0.9em; }

.btn__icon { width: 1em; height: 1em; }

/* --- EvidenceChip ------------------------------------------------------ */
/* States map to future lead confidence/verification states. */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.3em 0.7em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-bg-elevated);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
}
.chip__icon {
  width: 0.9em;
  height: 0.9em;
  flex: none;
}
.chip--verified {
  background: var(--color-accent-soft);
  border-color: transparent;
  color: var(--color-accent-ink);
}
.chip--neutral {
  background: var(--color-state-neutral-soft);
  border-color: transparent;
  color: var(--color-state-neutral);
}
.chip--abstained {
  background: transparent;
  border-style: dashed;
  border-color: var(--color-border-strong);
  color: var(--color-ink-subtle);
}
.chip--lg { font-size: var(--text-base); padding: 0.45em 0.9em; }

/* --- Card -------------------------------------------------------------- */
.card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.card--flat { box-shadow: none; }
.card--muted { background: var(--color-bg-muted); border-color: transparent; }
.card--accent { border-color: var(--color-accent); border-width: 1.5px; }
.card__eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-subtle);
  margin-bottom: var(--space-3);
}
.card__title { margin-bottom: var(--space-2); }
.card__body { color: var(--color-ink-muted); }
.card__body p { max-width: none; }
.card__icon {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

/* --- PipelineStep ------------------------------------------------------ */
/* Used now for Find / Verify / Explain; later for lead status states. */
.step {
  position: relative;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.step__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-ink);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.step__title { margin-bottom: var(--space-2); }
.step__body { color: var(--color-ink-muted); }
.step__body p { max-width: none; }

/* Horizontal connector between steps on wide screens */
.steps {
  display: grid;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
  .steps .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: calc(var(--space-6) + 1.125rem);
    right: calc(-1 * var(--space-5));
    width: var(--space-5);
    height: 1px;
    background: var(--color-border-strong);
  }
}

/* --- SectionHeader ----------------------------------------------------- */
.section-header { margin-bottom: var(--space-10); max-width: 62ch; }
.section-header--center { margin-inline: auto; text-align: center; }
.section-header--center p { margin-inline: auto; }
.eyebrow {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}
.section-header h1,
.section-header h2 { margin-bottom: var(--space-4); }
.section-header p { color: var(--color-ink-muted); font-size: var(--text-md); }

/* --- Nav --------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 4.25rem;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
  color: var(--color-ink);
  text-decoration: none;
}
.wordmark:hover { color: var(--color-ink); }
.wordmark__mark { width: 1.5rem; height: 1.5rem; color: var(--color-accent); }

.nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav__links {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__links a {
  color: var(--color-ink-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: var(--text-sm);
  padding-block: var(--space-2);
  border-bottom: 2px solid transparent;
  transition: color var(--duration-fast) var(--ease);
}
.nav__links a:hover { color: var(--color-ink); }
.nav__links a[aria-current="page"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
/* Reserved for Stage 2: authenticated user menu goes here. */
.nav__auth-slot:empty { display: none; }

.nav__toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  cursor: pointer;
  color: var(--color-ink);
}
.nav__toggle svg { width: 1.25rem; height: 1.25rem; }
.nav__toggle .icon-close { display: none; }
.nav__toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav__toggle[aria-expanded="true"] .icon-close { display: block; }

@media (max-width: 799px) {
  .nav__toggle { display: inline-flex; }
  .nav__menu {
    display: none;
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    padding: var(--space-4) var(--gutter) var(--space-6);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .nav__menu.is-open { display: flex; }
  .nav__links { flex-direction: column; gap: var(--space-1); }
  .nav__links a { display: block; padding: var(--space-3) 0; font-size: var(--text-base); border-bottom: 0; }
  .nav__links a[aria-current="page"] { color: var(--color-accent); }
  .nav__actions { justify-content: space-between; padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
}

/* --- LangToggle -------------------------------------------------------- */
.lang-toggle {
  display: inline-flex;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  padding: 2px;
  background: var(--color-bg-elevated);
}
.lang-toggle__btn {
  border: 0;
  background: transparent;
  border-radius: var(--radius-pill);
  padding: 0.3em 0.7em;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-ink-subtle);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease);
}
.lang-toggle__btn[aria-pressed="true"] {
  background: var(--color-ink);
  color: var(--color-ink-inverse);
}
.lang-toggle__btn:not([aria-pressed="true"]):hover { color: var(--color-ink); }

/* --- ThemeToggle ------------------------------------------------------- */
.theme-toggle {
  width: 2rem;
  height: 2rem;
  flex: 0 0 2rem;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-pill);
  background: var(--color-bg-elevated);
  color: var(--color-ink-muted);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease),
              border-color var(--duration-fast) var(--ease),
              color var(--duration-fast) var(--ease);
}
.theme-toggle:hover {
  border-color: var(--color-ink-subtle);
  color: var(--color-ink);
}
.theme-toggle svg { width: 1rem; height: 1rem; }
.theme-toggle .icon-sun { display: none; }
.theme-dark .theme-toggle .icon-sun { display: block; }
.theme-dark .theme-toggle .icon-moon { display: none; }

/* --- Footer ------------------------------------------------------------ */
.site-footer {
  margin-top: var(--section-gap);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-muted);
  padding-block: var(--space-12) var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}
.footer__grid {
  display: grid;
  gap: var(--space-8);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .footer__grid { grid-template-columns: 2fr 1fr; } }
.footer__brand p { max-width: 32ch; margin-top: var(--space-3); }
.footer__powered { font-size: var(--text-xs); color: var(--color-ink-subtle); }
.footer__heading {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}
.footer__list { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.footer__list a { color: var(--color-ink-muted); text-decoration: none; }
.footer__list a:hover { color: var(--color-ink); text-decoration: underline; }
.footer__list .is-placeholder { color: var(--color-ink-subtle); }
.footer__bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
}

/* --- Form fields ------------------------------------------------------- */
.field { display: grid; gap: var(--space-2); margin-bottom: var(--space-5); }
.field__label { font-weight: 600; font-size: var(--text-sm); }
.field__input {
  width: 100%;
  padding: 0.7em 0.9em;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}
.field__input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}
.field__input:user-invalid { border-color: #b3261e; }
textarea.field__input { min-height: 8rem; resize: vertical; }
.field__hint { font-size: var(--text-xs); color: var(--color-ink-subtle); }
.form-status {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}
.form-status:empty { display: none; }
.form-status--success { background: var(--color-accent-soft); color: var(--color-accent-ink); }
.form-status--error { background: #fbe9e7; color: #8a1c14; }
.theme-dark .form-status--error { background: rgba(255, 107, 92, 0.14); color: #ffb4a8; }
.theme-dark .field__input:user-invalid { border-color: #ff8a7a; }
.form-status--info { background: var(--color-bg-muted); color: var(--color-ink-muted); }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.chip__icon svg,
.btn__icon svg { width: 100%; height: 100%; }

.theme-dark .field__input { background: var(--color-dark-bg); }

/* ==========================================================================
   Product components — added in the refinement pass. These represent the
   actual deliverable and are the basis for Stage 2's lead views.
   ========================================================================== */

/* --- LeadArtifact ------------------------------------------------------
   A delivered lead as the client receives it. */
.lead {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--text-sm);
}
.lead__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-subtle);
}
.lead__body { padding: var(--space-5); display: grid; gap: var(--space-5); }
.lead__company {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: var(--tracking-tight);
  line-height: 1.2;
  margin: 0;
}
.lead__meta { color: var(--color-ink-muted); margin-top: var(--space-1); }
.lead__section { display: grid; gap: var(--space-2); }
.lead__label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-subtle);
}
.lead__why {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-4);
}
.lead__why p { max-width: none; color: var(--color-ink); }
.lead__foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: var(--text-xs);
  color: var(--color-ink-subtle);
}
.lead__foot .lead__illustrative { font-style: italic; }

/* --- EvidenceRow ------------------------------------------------------- */
.evidence {
  display: grid;
  grid-template-columns: 1.25rem 1fr;
  gap: var(--space-3);
  align-items: start;
}
.evidence__icon { width: 1.25rem; height: 1.25rem; color: var(--color-accent); margin-top: 0.1em; }
.evidence__body p { max-width: none; margin: 0; }

/* --- SourceReference --------------------------------------------------- */
.source {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--text-xs);
  color: var(--color-ink-subtle);
  margin-top: var(--space-1);
}
.source__icon { width: 0.85em; height: 0.85em; flex: none; }
.source-list { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-4); }

/* --- QualificationSignal ----------------------------------------------
   A criterion the company was checked against. Uses chip geometry with a
   squarer corner so it reads as data, not decoration. */
.signal {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.35em 0.7em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink);
}
.signal__icon { width: 0.9em; height: 0.9em; color: var(--color-accent); flex: none; }
.signal--met { border-color: rgba(91, 140, 255, 0.35); }
.signal--unmet { color: var(--color-ink-subtle); border-style: dashed; }
.signal--unmet .signal__icon { color: var(--color-ink-subtle); }
.signal-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.signal-list--stack { flex-direction: column; align-items: flex-start; }

/* --- CandidateRow / WithheldCandidate ----------------------------------
   One line of a batch: name, reason, outcome. */
.candidates {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
}
.candidate {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1) var(--space-6);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
}
@media (min-width: 720px) {
  .candidate { grid-template-columns: minmax(12rem, 1fr) 2fr auto; }
}
.candidate__name { font-family: var(--font-heading); font-weight: 600; }
.candidate__reason { color: var(--color-ink-muted); font-size: var(--text-sm); }
.candidate--withheld .candidate__name { color: var(--color-ink-muted); }
.candidate--withheld .candidate__reason { color: var(--color-ink-subtle); }

/* --- CompareTable ------------------------------------------------------ */
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.compare th, .compare td {
  text-align: left;
  vertical-align: top;
  padding: var(--space-4) var(--space-4) var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}
.compare thead th {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-subtle);
  border-bottom-color: var(--color-border-strong);
}
.compare tbody th {
  font-weight: 600;
  color: var(--color-ink);
  width: 22%;
}
.compare td { color: var(--color-ink-muted); }
.compare td.compare__us { color: var(--color-ink); }
.compare thead th.compare__us { color: var(--color-accent); }
@media (max-width: 719px) {
  .compare thead { display: none; }
  .compare tbody tr { display: grid; gap: var(--space-1); padding-block: var(--space-4); border-bottom: 1px solid var(--color-border); }
  .compare tbody th, .compare tbody td { padding: 0; border: 0; width: auto; }
  .compare tbody td::before {
    display: block;
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-ink-subtle);
    content: attr(data-col);
    margin-top: var(--space-2);
  }
}

/* --- Timeline (engagement steps) -------------------------------------- */
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.timeline__item {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
  position: relative;
}
.timeline__item::before {
  content: "";
  position: absolute;
  left: calc(1.125rem - 0.5px);
  top: 2.25rem;
  bottom: 0;
  width: 1px;
  background: var(--color-border);
}
.timeline__item:last-child::before { display: none; }
.timeline__item .step__index { margin-bottom: 0; }
.timeline__title { font-family: var(--font-heading); font-weight: 700; font-size: var(--text-lg); margin: 0.35rem 0 var(--space-1); }
.timeline__body { color: var(--color-ink-muted); max-width: 60ch; }

/* Compact LeadArtifact for a small illustrative example on marketing pages */
.lead--compact { max-width: 36rem; }
.lead--compact .lead__body { gap: var(--space-3); padding: var(--space-4) var(--space-5); }
.lead--compact .lead__company { font-size: var(--text-lg); }
.lead--compact .evidence__body p { color: var(--color-ink-muted); }
.lead--compact .lead__why { padding-left: var(--space-3); }
.lead--compact .lead__why p { color: var(--color-ink); }