/* ==========================================================================
   NUVORA V2 — Components «Сигнал» (зі станами)
   Reusable patterns (AGENTS.md §9): cta · section-marker · service-card ·
   process-step · faq-item · form-field · honest-empty
   Винесено з styles.css (фаза 2, рефакторинг без зміни вигляду)
   ========================================================================== */

/* ---------- CTA system (класи frozen у docs/ux/05 — тут лише візуал) ---------- */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 var(--sp-6);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  font-family: inherit;
  transition: background-color 180ms var(--ease-out), color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}
/* CTA-C: постійний контактний слот, на mobile видимий поза меню */
.cta-c {
  margin-left: auto;
  background: transparent;
  color: var(--signal);
  border-color: var(--signal);
  min-height: 44px;
  padding: 0 var(--sp-4);
  font-size: .9375rem;
}
.cta-c:hover { background: var(--signal); color: var(--navy); }

/* CTA-P / CTA-F: solid signal (єдина велика signal-заливка системи) */
.cta-p, .cta-f {
  background: var(--signal);
  color: var(--navy);
  border-color: var(--navy);
}
.cta-p:hover, .cta-f:hover { background: var(--signal-hover); }

/* CTA-S: текстовий secondary */
.cta-s {
  min-height: 44px;
  padding: 0;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
.cta-s:hover { color: var(--muted); }
.cta-f { width: 100%; }
.cta-f:disabled { opacity: .55; cursor: default; }

/* ---------- Section marker ---------- */
.section-marker {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--fs-meta);
  color: var(--muted);
  margin-bottom: var(--sp-6);
  max-width: none;
}
.marker-bar {
  width: 24px; height: 3px;
  background: var(--signal);
  border: 1px solid var(--navy);
  flex: none;
}

/* ---------- Honest empty (R-10/BAC-08) ---------- */
.honest-empty {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-left: 4px solid var(--signal);
  padding: var(--sp-6);
  max-width: 62ch;
}
.honest-empty-note { color: var(--muted); margin-bottom: 0; }
.honest-empty-note a { font-weight: 700; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }

/* ---------- Demo card (див. section #demo у index.html; no-fabrication) ---------- */
.demo-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: var(--sp-8);
  background: var(--surface);
  border: 1px solid var(--hairline);
  max-width: 62ch;
}
@media (min-width: 700px) {
  .demo-card { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); max-width: none; }
}
.demo-card-media {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-bottom: 1px solid var(--hairline);
  background: var(--surface-2);
  text-decoration: none;
}
@media (min-width: 700px) {
  .demo-card-media {
    align-self: start;
    border-bottom: 0;
    border-right: 1px solid var(--hairline);
  }
}
/* Рамка браузера: одразу зрозуміло, що на фото — сайт */
.demo-browser {
  flex: none;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  height: 36px;
  padding: 0 var(--sp-4);
  background: var(--navy);
}
.demo-dots { display: inline-flex; gap: 6px; flex: none; }
.demo-dots i {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--tint);
  opacity: .7;
}
.demo-url {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
  font-size: .75rem;
  color: var(--muted);
  background: var(--surface);
  border-radius: 999px;
  padding: 2px var(--sp-3);
  margin: 0 auto;
  max-width: 30ch;
}
.demo-card-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1272 / 780;
  object-fit: cover;
  object-position: top center;
}
.demo-card-media:hover img, .demo-card-media:focus-visible img { opacity: .92; }
.demo-card-media img { transition: opacity 180ms var(--ease-out); }
.demo-chip {
  position: absolute;
  top: var(--sp-4);
  left: var(--sp-4);
  background: var(--signal);
  border: 1.5px solid var(--navy);
  color: var(--navy);
  font-size: .8125rem;
  font-weight: 800;
  font-variation-settings: 'wdth' 115;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: var(--sp-1) var(--sp-3);
}
.demo-card-body { padding: var(--sp-6); }
@media (min-width: 700px) { .demo-card-body { padding: var(--sp-8); } }
.demo-niche {
  font-size: var(--fs-meta);
  color: var(--muted);
  margin-bottom: var(--sp-2);
}
.demo-card-body h3 {
  font-size: clamp(1.25rem, 2.4vw, 1.6rem);
  font-variation-settings: 'wdth' 118;
  max-width: 24ch;
}
.demo-desc { color: var(--ink-2); max-width: 52ch; }
.demo-list { display: grid; gap: var(--sp-2); margin: var(--sp-4) 0 var(--sp-6); }
.demo-list li {
  position: relative;
  padding-left: var(--sp-6);
  font-size: .9375rem;
}
.demo-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 8px; height: 8px;
  background: var(--signal);
  border: 1px solid var(--navy);
}
.demo-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4) var(--sp-6);
  margin-bottom: var(--sp-6);
}
.demo-note {
  font-size: .8125rem;
  color: var(--muted);
  border-top: 1px solid var(--hairline);
  padding-top: var(--sp-4);
  margin: 0;
  max-width: 58ch;
}

/* ---------- Service card (CP-3) ---------- */
.service-card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
}
.service-for { color: var(--muted); font-size: var(--fs-meta); }
.service-price {
  font-size: 1.5rem;
  font-weight: 800;
  font-variation-settings: 'wdth' 120;
  margin: var(--sp-2) 0 var(--sp-4);
}
.service-list { display: grid; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.service-list li {
  position: relative;
  padding-left: var(--sp-6);
  font-size: .9375rem;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 8px; height: 8px;
  background: var(--signal);
  border: 1px solid var(--navy);
}
.service-more { margin-top: auto; }
.service-more summary {
  cursor: pointer;
  font-weight: 700;
  font-size: var(--fs-meta);
  min-height: 44px;
  display: flex;
  align-items: center;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
.service-more summary::marker { color: var(--navy); }
.service-more p { font-size: var(--fs-meta); color: var(--muted); margin: var(--sp-2) 0 0; }

/* ---------- Process step (R-4) ---------- */
.process-list li {
  border-top: 2px solid var(--navy);
  padding-top: var(--sp-4);
  max-width: 46ch;
}
.process-list h3 { display: flex; align-items: baseline; gap: var(--sp-3); }
.step-num {
  font-variation-settings: 'wdth' 125;
  font-weight: 800;
  color: var(--navy);
  background: var(--signal);
  border: 1.5px solid var(--navy);
  width: 32px; height: 32px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.step-get { font-size: var(--fs-meta); color: var(--muted); margin-bottom: 0; }

/* ---------- FAQ item (disclosure) ---------- */
.faq-item {
  background: var(--surface);
  border: 1px solid var(--hairline);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  padding: var(--sp-4) var(--sp-6);
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "";
  width: 10px; height: 10px;
  background: var(--signal);
  border: 1.5px solid var(--navy);
  flex: none;
  transition: transform 180ms var(--ease-out);
}
.faq-item[open] summary::before { transform: rotate(45deg); }
.faq-item p { padding: 0 var(--sp-6) var(--sp-4) calc(var(--sp-6) + 22px); color: var(--ink-2); margin: 0; }

/* ---------- Form field & form states (семантика frozen у 06/CP-5/6) ---------- */
.lead-form {
  background: var(--surface);
  border: 1px solid var(--hairline);
  padding: var(--sp-6);
  display: grid;
  gap: var(--sp-4);
}
.field { display: grid; gap: var(--sp-2); }
.field label { font-weight: 700; font-size: .9375rem; }
.req, .opt { font-weight: 400; color: var(--muted); font-size: var(--fs-meta); }
.field input, .field select, .field textarea {
  font: inherit;
  color: var(--navy);
  background: var(--surface-2);
  border: 1.5px solid var(--navy);
  border-radius: 0;
  min-height: 48px;
  padding: var(--sp-3) var(--sp-4);
  width: 100%;
}
.field textarea { min-height: 96px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}
.field-error {
  color: var(--error);
  font-size: var(--fs-meta);
  margin: 0;
  display: flex;
  gap: var(--sp-2);
  align-items: baseline;
}
.field-error::before {
  content: "";
  width: 8px; height: 8px;
  background: var(--error);
  flex: none;
  transform: translateY(-1px);
}
.field.has-error input { border-color: var(--error); }
.field-hint { font-size: .8125rem; color: var(--muted); margin: 0; }
.form-error-summary {
  border: 1.5px solid var(--error);
  padding: var(--sp-4);
}
.form-error-summary p { font-weight: 700; margin-bottom: var(--sp-2); }
.form-error-summary ul { display: grid; gap: var(--sp-1); }
.form-error-summary a { color: var(--error); }
.form-privacy { font-size: .8125rem; color: var(--muted); margin: 0; }
.form-success, .form-failure {
  border: 1.5px solid var(--navy);
  border-left-width: 6px;
  padding: var(--sp-4) var(--sp-6);
}
.form-success { border-left-color: var(--success); }
.form-failure { border-left-color: var(--error); }
.form-success h3, .form-failure h3 { margin-bottom: var(--sp-2); }
.form-success p, .form-failure p { margin: 0; color: var(--ink-2); }