/* ===== Live Demo Section ===== */
.mv-demo { padding: 72px 0; }
.mv-demo__container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

.mv-demo__header { max-width: 720px; margin-bottom: 26px; }
.mv-demo__pill {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--accent-dim, rgba(13,148,136,.15));
  color: var(--accent, #0d9488);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.mv-demo__h2 { font-size: clamp(26px, 3vw, 40px); margin: 12px 0 10px; letter-spacing: -0.02em; color: var(--text, #1a1d24); }
.mv-demo__sub { color: var(--muted, #5c6370); font-size: 16px; margin: 0; }

.mv-demo__grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 18px;
  align-items: start;
}

.mv-demo__card {
  border-radius: 16px;
  border: 1px solid var(--border, rgba(0,0,0,.08));
  overflow: hidden;
  background: var(--surface, #fff);
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}
.mv-demo__card--soft { background: var(--surface, #fff); }
.mv-demo__card--hard { background: var(--surface2, #f5f6f8); }
.mv-demo__card__head { padding: 18px 18px 0; }
.mv-demo__h3 { margin: 0 0 6px; font-size: 18px; color: var(--text, #1a1d24); }
.mv-demo__muted { margin: 0 0 14px; color: var(--muted, #5c6370); font-size: 14px; }

.mv-demo__link { color: var(--accent, #0d9488); text-decoration: none; font-weight: 700; font-size: 13px; }
.mv-demo__link:hover { text-decoration: underline; }

.mv-demo__btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 14px; border-radius: 12px;
  min-height: 44px;
  min-width: 44px;
  font-weight: 700; font-size: 14px; text-decoration: none;
  border: 1px solid var(--border, rgba(0,0,0,.08));
  background: transparent;
  color: var(--text, #1a1d24);
  cursor: pointer;
  transition: transform .08s ease, background .12s ease;
}
.mv-demo__btn:hover { transform: translateY(-1px); background: var(--surface2, #f5f6f8); }
.mv-demo__btn--primary {
  background: var(--accent, #0d9488);
  color: #fff;
  border-color: var(--accent, #0d9488);
}
.mv-demo__btn--ghost { background: var(--surface2, #f5f6f8); }

.mv-demo__qrRow { display: grid; grid-template-columns: 170px 1fr; gap: 14px; padding: 18px; align-items: center; }
.mv-demo__qr {
  width: 170px; height: 170px;
  display: grid; place-items: center;
  background: var(--bg-alt, #f0f2f5);
  border: 1px solid var(--border, rgba(0,0,0,.08));
  border-radius: 14px;
}
.mv-demo__qrMeta__label { color: var(--muted, #5c6370); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.mv-demo__qrMeta__url { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono"; font-size: 12px; color: var(--text, #1a1d24); margin: 6px 0 10px; word-break: break-all; }
.mv-demo__qrMeta__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.mv-demo__miniTrust { margin-top: 10px; color: var(--muted, #5c6370); font-size: 13px; }

.mv-demo__editor { padding: 18px; }
.mv-demo__label { display: grid; gap: 6px; margin-bottom: 12px; font-weight: 700; font-size: 13px; color: var(--text, #1a1d24); }
.mv-demo__label--inline { margin-bottom: 0; }
.mv-demo__input {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border, rgba(0,0,0,.08));
  background: var(--surface, #fff);
  color: var(--text, #1a1d24);
  padding: 10px 12px;
  outline: none;
}
.mv-demo__input:focus { border-color: var(--accent, #0d9488); box-shadow: 0 0 0 3px var(--accent-dim, rgba(13,148,136,.15)); }
.mv-demo__textarea { resize: vertical; min-height: 74px; }

.mv-demo__row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }

.mv-demo__editor__actions { display: flex; gap: 10px; justify-content: space-between; margin-top: 12px; flex-wrap: wrap; }

.mv-demo__micro {
  display: flex; align-items: center; gap: 10px;
  margin-top: 12px;
  color: var(--muted, #5c6370);
  font-size: 13px;
}
.mv-demo__dot { width: 8px; height: 8px; border-radius: 999px; background: var(--accent, #0d9488); box-shadow: 0 0 0 6px var(--accent-dim, rgba(13,148,136,.15)); }

/* Phone frame */
.mv-phone {
  background: var(--surface, #fff);
  border: 1px solid var(--border, rgba(0,0,0,.08));
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,.08);
}
.mv-phone__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border, rgba(0,0,0,.08));
}
.mv-phone__dot { width: 10px; height: 10px; border-radius: 999px; background: var(--border, rgba(0,0,0,.2)); display: inline-block; margin-right: 6px; }
.mv-phone__frame { padding: 14px; }
.mv-phone__iframe {
  width: 100%;
  height: 640px;
  border: 0;
  border-radius: 16px;
  background: var(--bg-alt, #f0f2f5);
  box-shadow: 0 4px 20px rgba(0,0,0,.08);
}
.mv-phone__hint { padding: 0 14px 14px; color: var(--muted, #5c6370); font-size: 13px; }

@media (max-width: 960px){
  .mv-demo__grid { grid-template-columns: 1fr; }
  .mv-demo__qrRow { grid-template-columns: 1fr; }
  .mv-demo__qr { width: 100%; height: 220px; }
  .mv-phone__iframe { height: 560px; }
}

@media (max-width: 768px) {
  .mv-demo { padding: 48px 0; } /* Reduce vertical padding */
  .mv-demo__container {
    width: calc(100% - 24px); /* Reduce side padding on mobile */
  }
  .mv-demo__qrRow {
    gap: 12px;
    padding: 14px;
  }
  .mv-demo__editor {
    padding: 14px;
  }
  .mv-demo__card__head {
    padding: 14px 14px 0;
  }
}

@media (max-width: 375px) {
  .mv-demo__container {
    width: calc(100% - 16px); /* Minimal padding on very small screens */
  }
  .mv-demo__grid { gap: 14px; }
  .mv-demo__qrRow {
    grid-template-columns: 1fr; /* Stack QR and meta on very small screens */
    gap: 12px;
    padding: 12px;
  }
  .mv-demo__qr {
    width: 100%;
    height: 200px;
    max-width: 200px; /* Prevent QR from being too large */
    margin: 0 auto; /* Center QR when stacked */
  }
  .mv-demo__row {
    grid-template-columns: 1fr; /* Stack form fields on very small screens */
    gap: 12px;
  }
  .mv-demo__editor {
    padding: 12px;
  }
  .mv-demo__card__head {
    padding: 12px 12px 0;
  }
  .mv-demo__editor__actions {
    flex-direction: column; /* Stack buttons vertically */
    gap: 8px;
  }
  .mv-demo__editor__actions .mv-demo__btn {
    width: 100%; /* Full-width buttons on small screens */
  }
  .mv-phone__iframe { height: 480px; } /* Reduce iframe height */
  .mv-phone__topbar {
    padding: 10px 12px;
    gap: 8px;
  }
  .mv-demo__link {
    font-size: 12px; /* Slightly smaller link text */
  }
}

@media (max-width: 320px) {
  .mv-demo__container {
    width: calc(100% - 12px); /* Even tighter padding on smallest screens */
  }
  .mv-demo { padding: 36px 0; } /* Further reduce vertical padding */
  .mv-demo__header {
    margin-bottom: 20px;
  }
  .mv-demo__h2 {
    font-size: clamp(22px, 4vw, 32px); /* Smaller heading */
  }
  .mv-demo__sub {
    font-size: 14px; /* Smaller subtext */
  }
  .mv-demo__qr {
    max-width: 180px; /* Slightly smaller QR */
    height: 180px;
  }
  .mv-phone__iframe {
    height: 420px; /* Further reduce iframe height */
  }
  .mv-demo__editor__actions .mv-demo__btn {
    font-size: 13px; /* Slightly smaller button text */
    padding: 10px 12px;
  }
}