.ptc {
  --ptc-ink: #17191f;
  --ptc-muted: #60636b;
  --ptc-blood: #a22422;
  --ptc-blood-dark: #781817;
  --ptc-cream: #f4efe6;
  --ptc-paper: #fffdf9;
  --ptc-line: #d9d0c2;
  max-width: 1050px;
  margin: 3rem auto;
  padding: clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--ptc-line);
  border-radius: 24px;
  background: radial-gradient(circle at 95% 2%, rgba(162, 36, 34, 0.13), transparent 24rem), var(--ptc-paper);
  box-shadow: 0 30px 80px rgba(23, 25, 31, 0.11);
  color: var(--ptc-ink);
  box-sizing: border-box;
}

.ptc *, .ptc *::before, .ptc *::after { box-sizing: border-box; }
.ptc__intro { max-width: 760px; margin-bottom: 2rem; }
.ptc__intro h2 { margin: 0.2rem 0 0.8rem; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.04; }
.ptc__intro p:last-child { margin-bottom: 0; color: var(--ptc-muted); font-size: 1.06rem; }
.ptc__eyebrow { margin: 0; color: var(--ptc-blood); font-size: 0.74rem; font-weight: 850; letter-spacing: 0.16em; text-transform: uppercase; }
.ptc__layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr); gap: clamp(1.25rem, 3vw, 2.5rem); align-items: start; }
.ptc__form { min-width: 0; padding: clamp(1.1rem, 2.5vw, 1.6rem); border: 1px solid var(--ptc-line); border-radius: 16px; background: var(--ptc-cream); }
.ptc__grid { display: grid; gap: 1rem; }
.ptc label { display: block; margin-bottom: 0.38rem; font-size: 0.88rem; font-weight: 820; }
.ptc select, .ptc input[type="number"] {
  width: 100%;
  min-height: 3.15rem;
  margin: 0;
  padding: 0.72rem 2.6rem 0.72rem 0.85rem;
  border: 1px solid var(--ptc-line);
  border-radius: 10px;
  background-color: #fff;
  color: var(--ptc-ink);
  font: inherit;
  line-height: 1.25;
}
.ptc input[type="number"] { padding-right: 0.85rem; }
.ptc select:disabled { cursor: not-allowed; opacity: 0.72; }
.ptc select:focus, .ptc input:focus, .ptc a:focus-visible { outline: 3px solid rgba(162, 36, 34, 0.24); outline-offset: 2px; border-color: var(--ptc-blood); }
.ptc__help { display: block; margin-top: 0.42rem; color: var(--ptc-muted); font-size: 0.82rem; line-height: 1.45; }
.ptc__result { position: sticky; top: 6.6rem; padding: clamp(1.35rem, 3vw, 2rem); border-radius: 18px; background: var(--ptc-ink); color: #fff; box-shadow: 0 24px 55px rgba(23, 25, 31, 0.2); }
.ptc__result .ptc__eyebrow { color: #f1d5d4; }
.ptc__result h3 { margin: 0.4rem 0 0.2rem; color: #fff; font-size: clamp(1.45rem, 3vw, 2.1rem); }
.ptc__total { margin: 0.4rem 0 0; color: #fff; font-family: Georgia, serif; font-size: clamp(2.1rem, 5vw, 3.5rem); font-weight: 800; line-height: 1; }
.ptc__total small { color: #d8d8dc; font-family: inherit; font-size: 0.75rem; font-weight: 600; }
.ptc__basis { margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid rgba(255, 255, 255, 0.17); color: #d8d8dc; font-size: 0.9rem; line-height: 1.55; }
.ptc__quote { display: inline-flex; width: 100%; min-height: 2.9rem; margin-top: 1.25rem; align-items: center; justify-content: center; border: 1px solid var(--ptc-blood); border-radius: 999px; background: var(--ptc-blood); color: #fff; font-weight: 850; text-align: center; text-decoration: none; }
.ptc__quote:hover { background: var(--ptc-blood-dark); color: #fff; }
.ptc__fineprint { margin: 1rem 0 0; color: #bfc0c5; font-size: 0.76rem; line-height: 1.55; }
.ptc__noscript { padding: 1rem; border: 1px solid var(--ptc-line); background: #fff; }

@media (max-width: 760px) {
  .ptc__layout { grid-template-columns: 1fr; }
  .ptc__result { position: static; }
}

@media (max-width: 560px) {
  .ptc { margin-inline: -0.25rem; border-radius: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .ptc *, .ptc *::before, .ptc *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}