/* =============================================================
   PATTO FEEDBACK v1 — overlay gate-by-feedback (iscrizione corsi gratuiti)
   Design: mockup patto-feedback.html (staging /mockups/) 2026-08-04.
   Token ereditati da liquid-design-system-v100.css (--lp-*), con fallback.
   NB: filename versionato (patto-vN.css): CF ignora ?v= — per modifiche
   future bumpare il NOME file e il <link> in index.html.
   ============================================================= */

.pf-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--lp-z-modal, 1000);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: 24px;
}

.pf-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 5, 10, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.pf-panel {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 32px auto;
  background: rgba(8, 12, 20, 0.94);
  border: 1px solid var(--lp-border, rgba(255, 255, 255, 0.12));
  border-radius: 24px;
  padding: 44px 44px 36px;
  color: var(--lp-text, #f6f8ff);
  font-family: var(--lp-font-body, 'Inter', system-ui, sans-serif);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
  animation: pf-rise 600ms cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.pf-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--lp-border, rgba(255, 255, 255, 0.12));
  background: transparent;
  color: var(--lp-muted, rgba(246, 248, 255, 0.68));
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 160ms ease, color 160ms ease;
}
.pf-close:hover { color: var(--lp-text, #f6f8ff); border-color: var(--lp-border-strong, rgba(255, 255, 255, 0.22)); }
.pf-close:focus-visible,
.pf-overlay button:focus-visible,
.pf-overlay a:focus-visible {
  outline: 2px solid var(--lp-accent-2, #00d4ff);
  outline-offset: 3px;
}

/* ---------- hero / tesi ---------- */
.pf-hero { text-align: center; margin-bottom: 30px; }
.pf-eyebrow {
  display: inline-block;
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lp-accent-2, #00d4ff);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 18px;
  background: rgba(0, 212, 255, 0.06);
}
.pf-hero h2 {
  font-family: var(--lp-font-display, 'Outfit', 'Inter', sans-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}
.pf-hero h2 em {
  font-style: normal;
  background: linear-gradient(100deg, var(--lp-accent, #7c5cff) 10%, var(--lp-accent-2, #00d4ff) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pf-hero p {
  max-width: 56ch;
  margin: 0 auto;
  color: var(--lp-muted, rgba(246, 248, 255, 0.68));
  font-size: 16px;
}

/* ---------- lo scambio: bilanciere asimmetrico ---------- */
.pf-exchange {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) 100px minmax(0, 0.85fr);
  align-items: stretch;
  margin-bottom: 8px;
}

.pf-pane {
  border: 1px solid var(--lp-border, rgba(255, 255, 255, 0.12));
  border-radius: 18px;
  background: rgba(10, 15, 30, 0.7);
  padding: 24px 24px 20px;
  transition: border-color 600ms ease;
}
.pf-pane-label {
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
}
.pf-pane-label::after { content: ""; flex: 1; height: 1px; background: currentColor; opacity: 0.25; }
.pf-receive { border-color: rgba(124, 92, 255, 0.35); animation: pf-slide-l 700ms cubic-bezier(0.22, 1, 0.36, 1) 150ms backwards; }
.pf-receive .pf-pane-label { color: var(--lp-accent, #7c5cff); }
.pf-give { border-color: rgba(0, 212, 255, 0.28); animation: pf-slide-r 700ms cubic-bezier(0.22, 1, 0.36, 1) 150ms backwards; }
.pf-give .pf-pane-label { color: var(--lp-accent-2, #00d4ff); }

/* card corso dentro RICEVI */
.pf-course {
  border: 1px solid var(--lp-border, rgba(255, 255, 255, 0.12));
  border-radius: 12px;
  background: rgba(10, 15, 30, 0.88);
  padding: 14px 16px;
  margin-bottom: 16px;
}
.pf-course-badge {
  display: inline-block;
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lp-accent-success, #34d399);
  background: rgba(52, 211, 153, 0.1);
  border: 1px solid rgba(52, 211, 153, 0.3);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 8px;
}
.pf-course h3 {
  font-family: var(--lp-font-display, 'Outfit', 'Inter', sans-serif);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 6px;
}
.pf-course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  font-size: 12px;
  color: var(--lp-faint, rgba(246, 248, 255, 0.47));
}
.pf-course-meta span::before { content: "\25B8 "; color: var(--lp-accent, #7c5cff); }

.pf-clauses { list-style: none; margin: 0; padding: 0; }
.pf-clauses li {
  display: flex;
  gap: 12px;
  padding: 8px 0;
  font-size: 14px;
  color: var(--lp-muted, rgba(246, 248, 255, 0.68));
  border-top: 1px dashed rgba(255, 255, 255, 0.09);
}
.pf-clauses li:first-child { border-top: 0; }
.pf-clauses .pf-tick {
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  font-weight: 700;
  flex: none;
  width: 20px;
  text-align: center;
}
.pf-receive .pf-tick { color: var(--lp-accent, #7c5cff); }
.pf-give .pf-tick { color: var(--lp-accent-2, #00d4ff); }
.pf-clauses strong { color: var(--lp-text, #f6f8ff); font-weight: 600; }

.pf-give-cost {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--lp-border, rgba(255, 255, 255, 0.12));
  font-family: var(--lp-font-mono, ui-monospace, monospace);
}
.pf-give-cost .pf-amount {
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 700;
  color: var(--lp-text, #f6f8ff);
  display: block;
  line-height: 1.1;
}
.pf-give-cost .pf-amount small {
  font-size: 0.5em;
  font-weight: 400;
  color: var(--lp-faint, rgba(246, 248, 255, 0.47));
  letter-spacing: 0.06em;
}
.pf-give-cost .pf-note {
  font-size: 11px;
  color: var(--lp-faint, rgba(246, 248, 255, 0.47));
  margin-top: 5px;
  display: block;
}

/* ---------- condotto ---------- */
.pf-conduit { display: flex; align-items: center; justify-content: center; }
.pf-conduit svg { width: 100%; height: 150px; overflow: visible; }
.pf-rail { fill: none; stroke: rgba(255, 255, 255, 0.09); stroke-width: 1; }
.pf-flow {
  fill: none;
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-dasharray: 0.1 15;      /* linecap round + dash cortissimo = particelle */
}
.pf-flow-you { stroke: var(--lp-accent, #7c5cff); animation: pf-flow 5s linear infinite; }
.pf-flow-us { stroke: var(--lp-accent-2, #00d4ff); animation: pf-flow 6.5s linear infinite; }
@keyframes pf-flow { to { stroke-dashoffset: -150; } }
.pf-chev { fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.pf-chev-violet { stroke: var(--lp-accent, #7c5cff); }
.pf-chev-cyan { stroke: var(--lp-accent-2, #00d4ff); }

/* ---------- sigillo hold-to-confirm ---------- */
.pf-seal-zone { text-align: center; padding: 26px 0 4px; }
.pf-hold-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  background: rgba(10, 15, 30, 0.88);
  border: 1px solid var(--lp-border-strong, rgba(255, 255, 255, 0.22));
  border-radius: 999px;
  padding: 12px 26px 12px 12px;
  color: var(--lp-text, #f6f8ff);
  font-family: var(--lp-font-display, 'Outfit', 'Inter', sans-serif);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none; /* un drag durante l'hold non deve diventare scroll (→ pointercancel) */
  transition: border-color 280ms ease, box-shadow 280ms ease;
}
.pf-hold-btn:hover {
  border-color: rgba(124, 92, 255, 0.55);
  box-shadow: 0 0 26px var(--lp-glow, rgba(124, 92, 255, 0.34));
}
.pf-ring { position: relative; width: 54px; height: 54px; flex: none; }
.pf-ring svg { width: 54px; height: 54px; transform: rotate(-90deg); display: block; }
.pf-ring-track { fill: none; stroke: rgba(255, 255, 255, 0.14); stroke-width: 3; }
.pf-ring-fill {
  fill: none;
  stroke: url(#pfSealGradient);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-dasharray: 163.36;      /* 2*pi*r, r=26 */
}
.pf-ring .pf-dot {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  font-size: 16px;
  color: var(--lp-muted, rgba(246, 248, 255, 0.68));
}
.pf-hint {
  margin: 12px 0 0;
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--lp-faint, rgba(246, 248, 255, 0.47));
}
.pf-hint kbd {
  font-family: inherit;
  border: 1px solid var(--lp-border, rgba(255, 255, 255, 0.12));
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--lp-muted, rgba(246, 248, 255, 0.68));
  background: rgba(255, 255, 255, 0.04);
}
.pf-terms {
  margin: 18px auto 0;
  font-size: 13px;
  color: var(--lp-faint, rgba(246, 248, 255, 0.47));
  max-width: 52ch;
}

/* stato: patto stretto */
.pf-sealed .pf-hold-btn {
  border-color: rgba(52, 211, 153, 0.6);
  box-shadow: 0 0 30px rgba(52, 211, 153, 0.3);
  cursor: default;
}
.pf-sealed .pf-ring-fill { stroke: var(--lp-accent-success, #34d399); }
.pf-sealed .pf-ring .pf-dot { color: var(--lp-accent-success, #34d399); }
.pf-sealed .pf-receive,
.pf-sealed .pf-give { border-color: rgba(52, 211, 153, 0.45); }
.pf-sealed .pf-flow,
.pf-sealed .pf-chev { stroke: var(--lp-accent-success, #34d399); }

.pf-banner {
  margin: 22px auto 0;
  max-width: 520px;
  border: 1px solid rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.07);
  border-radius: 16px;
  padding: 18px 24px;
  text-align: center;
  animation: pf-rise 600ms cubic-bezier(0.22, 1, 0.36, 1);
}
.pf-banner .pf-stamp {
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lp-accent-success, #34d399);
  display: block;
  margin-bottom: 6px;
}
.pf-banner p { color: var(--lp-muted, rgba(246, 248, 255, 0.68)); font-size: 14px; margin: 0 0 14px; }
.pf-go-btn {
  display: inline-block;
  font-family: var(--lp-font-display, 'Outfit', 'Inter', sans-serif);
  font-weight: 700;
  font-size: 15px;
  color: #05070d;
  background: linear-gradient(100deg, var(--lp-accent-success, #34d399), #6ee7b7);
  border: 0;
  border-radius: 999px;
  padding: 11px 26px;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 280ms ease;
}
.pf-go-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(52, 211, 153, 0.3); }
.pf-go-btn:disabled { opacity: 0.6; cursor: wait; transform: none; }

/* ---------- faq compatta ---------- */
.pf-faq { max-width: 560px; margin: 28px auto 0; }
.pf-faq details { border-top: 1px solid var(--lp-border, rgba(255, 255, 255, 0.12)); }
.pf-faq details:last-child { border-bottom: 1px solid var(--lp-border, rgba(255, 255, 255, 0.12)); }
.pf-faq summary {
  font-family: var(--lp-font-display, 'Outfit', 'Inter', sans-serif);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 4px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.pf-faq summary::-webkit-details-marker { display: none; }
.pf-faq summary::after {
  content: "+";
  font-family: var(--lp-font-mono, ui-monospace, monospace);
  color: var(--lp-faint, rgba(246, 248, 255, 0.47));
  transition: transform 280ms ease;
}
.pf-faq details[open] summary::after { transform: rotate(45deg); }
.pf-faq details p {
  color: var(--lp-muted, rgba(246, 248, 255, 0.68));
  font-size: 13px;
  padding: 0 4px 12px;
  margin: 0;
  max-width: 58ch;
}

/* ---------- animazioni ---------- */
@keyframes pf-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes pf-slide-l { from { opacity: 0; transform: translateX(-22px); } to { opacity: 1; transform: none; } }
@keyframes pf-slide-r { from { opacity: 0; transform: translateX(22px); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .pf-overlay *, .pf-overlay *::before, .pf-overlay *::after,
  .pf-panel, .pf-banner {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  .pf-panel { padding: 32px 22px 26px; margin: 12px auto; }
  .pf-exchange { grid-template-columns: 1fr; }
  /* ruotato 90°: flusso viola sale verso RICEVI, ciano scende verso DAI */
  .pf-conduit { min-height: 96px; }
  .pf-conduit svg { width: 88px; height: 140px; transform: rotate(90deg); margin: 0 auto; }
}