/* =================================================================
   THE INDEPENDENCE CALCULATOR
   One input group per screen. Large targets, large type: this
   audience is mostly 55 to 70 and often on a phone.
   Dark ground, bone figures, brass only on the active edge.
   ================================================================= */

.calc-wrapper {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 128px 24px 80px;
}

.calc-screen { display: none; width: 100%; max-width: 640px; }
.calc-screen.active { display: block; animation: calc-in 0.32s ease both; }

@keyframes calc-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

/* ---------- Intro ---------- */

.calc-intro { text-align: center; }
.calc-intro h1 { font-size: clamp(2.1rem, 4.6vw, 3rem); margin: 22px 0 24px; }
.calc-intro-body { color: var(--text-soft); font-size: 1.04rem; max-width: 34em; margin: 0 auto 1.15em; }
.calc-intro .btn { margin-top: 14px; }
.calc-intro-note { font-size: 0.86rem; color: var(--text-faint); margin-top: 26px; }

.currency-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line-soft);
}
.currency-row label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.currency-select {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface-high);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  cursor: pointer;
}

/* ---------- Progress ---------- */

.calc-progress { margin-bottom: 40px; }
.calc-progress-track { height: 1px; background: var(--line); position: relative; }
.calc-progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--brass);
  width: 0;
  transition: width 0.35s ease;
}
.calc-progress-label {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-top: 14px;
}

/* ---------- Question ---------- */

.calc-question h2 {
  font-size: clamp(1.65rem, 3.6vw, 2.2rem);
  margin-bottom: 18px;
}
.calc-help {
  color: var(--text-soft);
  font-size: 1rem;
  margin-bottom: 34px;
  max-width: 34em;
}

.calc-input-shell {
  display: flex;
  align-items: center;
  gap: 2px;
  border: 1px solid var(--line);
  border-bottom: 2px solid var(--brass-deep);
  background: var(--surface-high);
  border-radius: var(--radius-sm);
  padding: 6px 20px;
  transition: border-color 0.2s ease;
}
.calc-input-shell:focus-within { border-color: var(--brass); border-bottom-color: var(--brass); }

.calc-currency {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--text-faint);
  padding-right: 10px;
  user-select: none;
}

.calc-input {
  flex: 1;
  width: 100%;
  font-family: var(--font-display);
  font-size: 1.9rem;
  color: var(--text);
  background: transparent;
  border: 0;
  outline: none;
  padding: 16px 0;
  min-width: 0;
}
.calc-input::placeholder { color: #5C6163; }
/* No spinners: they invite mis-clicks on a number this important */
.calc-input::-webkit-outer-spin-button,
.calc-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc-input[type=number] { -moz-appearance: textfield; }

.calc-period {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding-left: 14px;
  white-space: nowrap;
}

.calc-quick { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.calc-quick-btn {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-soft);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 11px 18px;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.calc-quick-btn:hover,
.calc-quick-btn.chosen { background: var(--text); color: var(--contrast); border-color: var(--text); }

.calc-error {
  display: block;
  min-height: 22px;
  font-size: 0.88rem;
  color: #D4907C;
  margin-top: 14px;
}

.calc-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 20px;
}
.calc-back {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--text-faint);
  background: none;
  border: 0;
  padding: 10px 0;
  cursor: pointer;
  transition: color 0.18s ease;
}
.calc-back:hover { color: var(--text); }
.calc-back[hidden] { visibility: hidden; display: block; }

/* ---------- Working ---------- */

.calc-working { text-align: center; }
.calc-working-mark {
  width: 34px; height: 34px;
  border: 1px solid var(--line);
  border-top-color: var(--brass);
  border-radius: 50%;
  margin: 0 auto 26px;
  animation: calc-spin 1.1s linear infinite;
}
@keyframes calc-spin { to { transform: rotate(360deg); } }
.calc-working p { color: var(--text-faint); font-family: var(--font-display); font-size: 1.2rem; font-style: italic; }

/* ---------- Gate ---------- */

.calc-gate h2 { font-size: clamp(1.8rem, 3.8vw, 2.4rem); margin-bottom: 20px; }
.calc-gate-body { color: var(--text-soft); margin-bottom: 34px; max-width: 34em; }

.field { margin-bottom: 22px; }
.field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.field input {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--text);
  background: var(--surface-high);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  outline: none;
  transition: border-color 0.2s ease;
}
.field input:focus { border-color: var(--brass); }
.field input::placeholder { color: #5C6163; }

.calc-consent {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text-faint);
  margin: 24px 0;
}
.calc-consent a { border-bottom: 1px solid var(--line); }

.calc-gate .btn { width: 100%; }

/* ---------- Results ---------- */

.calc-results { max-width: 720px; }

.result-headline {
  text-align: center;
  padding: 6px 0 42px;
  border-bottom: 1px solid var(--line);
}
.result-eyebrow {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 22px;
}
.result-number {
  font-family: var(--font-display);
  font-size: clamp(3.6rem, 13vw, 6.4rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--text);
}
.result-unit {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 4vw, 2rem);
  color: var(--text-faint);
  margin-left: 10px;
}
.result-context {
  font-size: 1.06rem;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 30em;
  margin: 26px auto 0;
}

.result-block { padding: 40px 0; border-bottom: 1px solid var(--line); }
.result-block:last-of-type { border-bottom: 0; }
.result-block h3 {
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass);
  margin-bottom: 18px;
}
.result-block p { color: var(--text-soft); }

.result-figure {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6vw, 3.1rem);
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 18px;
}

.result-ledger {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 26px 0 0;
}
.ledger-cell { background: var(--surface); padding: 24px 22px; }
.ledger-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 10px;
}
.ledger-value {
  font-family: var(--font-display);
  font-size: 1.55rem;
  color: var(--text);
  line-height: 1.2;
}
.ledger-note { font-size: 0.86rem; color: var(--text-faint); margin-top: 8px; }

.lever {
  border-left: 2px solid var(--brass);
  padding: 4px 0 4px 22px;
  margin-bottom: 28px;
}
.lever:last-child { margin-bottom: 0; }
.lever h4 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  margin: 0 0 10px;
  color: var(--text);
}
.lever p { font-size: 0.98rem; color: var(--text-soft); }

.result-note {
  font-size: 0.92rem;
  color: #D4907C;
  border-left: 2px solid #D4907C;
  padding: 4px 0 4px 18px;
  margin: 0 0 26px;
}

.result-honesty {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--text-faint);
  border-top: 1px solid var(--line);
  padding-top: 26px;
  margin-top: 10px;
}

.result-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 34px;
}

@media (max-width: 620px) {
  .calc-wrapper { padding: 104px 20px 64px; }
  .result-ledger { grid-template-columns: 1fr; }
  .calc-input { font-size: 1.6rem; }
  .calc-input-shell { padding: 4px 16px; }
  .calc-period { font-size: 0.72rem; letter-spacing: 0.1em; }
}