.calculator-hero {
  padding: 30px clamp(20px, 5vw, 72px) 24px;
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.calculator-hero h1 {
  margin: 0 0 12px;
  font-size: 36px;
}

.calculator-hero .lead {
  margin: 0;
  max-width: 1000px;
  font-size: 18px;
}

.calculator-hero .calc-disclaimer {
  max-width: 1240px;
}

.film-simulation {
  padding: 24px clamp(20px, 5vw, 72px) 36px;
  color: var(--ink);
  background: var(--panel);
}

.film-simulation .layout {
  display: grid;
  grid-template-columns: minmax(240px, 280px) minmax(0, 1fr) minmax(260px, 320px);
  gap: 18px;
  align-items: start;
  max-width: 1600px;
  margin: 0 auto;
}

.film-simulation .panel {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  background: #fff;
}

.film-simulation h2 {
  margin: 0 0 16px;
  font-size: 22px;
  line-height: 1.25;
}

.film-simulation h3 {
  margin: 20px 0 10px;
  font-size: 17px;
}

.film-simulation label {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 8px;
  margin: 16px 0 6px;
  font-size: 14px;
  font-weight: 700;
}

.film-simulation label span {
  color: var(--blue-dark);
  font-size: 13px;
}

.film-simulation input,
.film-simulation select {
  width: 100%;
  min-width: 0;
  accent-color: var(--blue);
  font: inherit;
}

.film-simulation input[type="number"],
.film-simulation select {
  min-height: 44px;
  padding: 9px 10px;
  color: var(--ink);
  border: 1px solid #bdc9d3;
  border-radius: 0;
  background: #fff;
  font-size: 14px;
}

.film-simulation input[type="range"] {
  min-height: 24px;
}

.film-simulation :is(input, select, button):focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

.film-simulation .scene {
  overflow: hidden;
  border: 1px solid var(--line);
  background: #f1f6fa;
}

.film-simulation .scene svg {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 680 / 520;
}

.film-simulation .buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.film-simulation button {
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--blue);
  border-radius: 0;
  color: #fff;
  background: var(--blue);
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.film-simulation button:hover {
  border-color: var(--blue-dark);
  background: var(--blue-dark);
}

.film-simulation .buttons select {
  flex: 1 1 110px;
  width: auto;
}

.film-simulation .stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 16px;
}

.film-simulation .stat {
  min-width: 0;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.film-simulation small,
.film-simulation .muted,
.film-simulation .notice {
  font-size: 13px;
  line-height: 1.5;
}

.film-simulation .stat small {
  display: block;
  color: var(--muted);
}

.film-simulation .stat strong {
  display: block;
  margin-top: 4px;
  color: var(--blue-dark);
  font-size: 21px;
}

.film-simulation .muted {
  color: var(--muted);
}

.film-simulation .bar {
  height: 10px;
  overflow: hidden;
  background: #dde5eb;
}

.film-simulation .bar > div {
  height: 100%;
  background: var(--amber);
  transition: width .15s;
}

.film-simulation .comparison {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.film-simulation .compare {
  min-width: 0;
}

.film-simulation .compare > small:first-child {
  display: block;
  min-height: 42px;
  font-size: 14px;
  font-weight: 700;
}

.film-simulation .compare strong {
  display: block;
  margin: 6px 0;
  color: var(--blue-dark);
  font-size: 23px;
}

.film-simulation .comparison-roll {
  display: block;
  width: 100%;
  max-width: 160px;
  height: 132px;
  margin: 8px auto;
}

.film-simulation .notice {
  margin-top: 16px;
  padding: 12px;
  border-left: 3px solid var(--amber);
  background: #fff8ea;
}

.film-simulation .comparison-area {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.film-simulation .compare-metric {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 8px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.film-simulation .compare-metric span {
  color: var(--muted);
  font-size: 13px;
}

.film-simulation .compare-metric strong {
  margin: 0;
  font-size: 18px;
  white-space: nowrap;
}

.film-simulation .saving-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.film-simulation .inline-note,
.film-simulation .estimate-note {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.film-simulation .estimate-note {
  padding: 14px;
  border-left: 3px solid var(--amber);
  background: var(--panel);
}

.film-simulation .advanced,
.film-simulation .reference-settings {
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.film-simulation :is(.advanced, .reference-settings) summary {
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 480px) {
  .film-simulation .saving-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.calculator-related {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
}

@media (max-width: 1200px) {
  .film-simulation .layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .film-simulation .center {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .film-simulation .scene {
    max-width: 680px;
    margin: 0 auto;
  }
}

@media (max-width: 700px) {
  .calculator-hero h1 {
    font-size: 28px;
    overflow-wrap: anywhere;
  }

  .film-simulation .layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .film-simulation .panel {
    padding: 16px;
  }

  .film-simulation .stats {
    gap: 0 12px;
  }
}