/* ============================================================
   PAGE · CALCULADORA (calculadora.html)
   Page-specific styles only. 22 shared rules removed
   (tokens, reset, nav, footer, buttons, wa-float, reveal) — those
   now live in the shared design system.
   ============================================================ */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-mobile-toggle { display: flex; }
    .nav-links.open {
      display: flex; position: absolute; top: 100%; left: 0; right: 0;
      flex-direction: column; background: var(--paper);
      padding: 24px 5vw; gap: 20px;
    }
  }
.hero {
    background: var(--ink);
    color: var(--paper);
    padding: 140px 5vw 70px;
    position: relative;
    overflow: hidden;
  }
.hero::before {
    content: "";
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 140%;
    background: radial-gradient(ellipse at center, rgba(36, 94, 135, 0.45), transparent 60%);
    pointer-events: none;
  }
.hero-inner {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
  }
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--ice);
    margin-bottom: 28px;
  }
.brand::before {
    content: "";
    width: 30px;
    height: 1px;
    background: var(--ice);
  }
.hero h1 {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(44px, 6.5vw, 88px);
    line-height: 0.98;
    letter-spacing: -0.025em;
    margin-bottom: 28px;
    text-transform: none;
  }
.hero h1 em {
    font-style: italic;
    font-weight: 400;
    color: var(--ice);
  }
.hero p {
    font-size: clamp(16px, 1.8vw, 19px);
    max-width: 640px;
    opacity: 0.8;
    font-weight: 300;
    line-height: 1.6;
  }
.toggle-wrap {
    background: var(--paper);
    padding: 40px 5vw 0;
    border-bottom: 1px solid var(--line);
  }
.toggle-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 0;
    border: 1px solid var(--ink);
  }
.toggle-btn {
    flex: 1;
    padding: 22px 24px;
    background: transparent;
    border: none;
    color: var(--ink);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    position: relative;
  }
.toggle-btn:first-child { border-right: 1px solid var(--ink); }
.toggle-btn.active {
    background: var(--ink);
    color: var(--paper);
  }
.toggle-btn .label-small {
    display: block;
    font-size: 10px;
    opacity: 0.6;
    margin-bottom: 4px;
    font-weight: 400;
    letter-spacing: 0.25em;
  }
.calc {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 5vw 120px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }
@media (max-width: 900px) {
    .calc { grid-template-columns: 1fr; gap: 40px; padding: 40px 5vw 80px; }
  }
.inputs h2 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--deep);
    margin-bottom: 8px;
  }
.inputs h2::before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 1px;
    background: var(--deep);
    vertical-align: middle;
    margin-right: 12px;
    transform: translateY(-3px);
  }
.section-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 32px;
    letter-spacing: -0.01em;
    line-height: 1.1;
  }
.field-group {
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--line);
  }
.field-group:last-child { border-bottom: none; }
.field {
    margin-bottom: 18px;
  }
.field:last-child { margin-bottom: 0; }
.field label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 14px;
    font-weight: 400;
    margin-bottom: 10px;
  }
.field label .val {
    font-weight: 800;
    font-size: 18px;
    color: var(--ice);
    font-variant-numeric: tabular-nums;
  }
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 2px;
    background: var(--line-strong);
    outline: none;
    cursor: pointer;
  }
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: var(--ink);
    border: 3px solid var(--paper);
    box-shadow: 0 0 0 1px var(--ink);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.15s ease;
  }
input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    background: var(--ice);
  }
input[type="range"]::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--ink);
    border: 3px solid var(--paper);
    box-shadow: 0 0 0 1px var(--ink);
    border-radius: 50%;
    cursor: pointer;
  }
.select-group {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
    margin-bottom: 8px;
  }
.select-btn {
    background: transparent;
    border: 1px solid var(--line-strong);
    padding: 16px 12px;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    transition: all 0.2s ease;
    position: relative;
  }
.select-btn.active {
    border-color: var(--ink);
    background: var(--ink);
    color: var(--paper);
  }
.select-btn .model-name {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
    margin-bottom: 6px;
  }
.select-btn .model-price {
    font-size: 11px;
    opacity: 0.65;
    font-weight: 400;
  }
.results {
    background: var(--ink);
    color: var(--paper);
    padding: 48px 40px;
    position: sticky;
    top: 90px;
    height: fit-content;
    box-shadow: var(--shadow);
    align-self: start;
  }
@media (max-width: 900px) {
    .results { position: static; padding: 36px 28px; }
  }
.results h2 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--ice);
    margin-bottom: 12px;
  }
.headline-number {
    font-size: clamp(56px, 9vw, 96px);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 4px;
    color: var(--paper);
    font-variant-numeric: tabular-nums;
  }
.headline-label {
    font-size: 14px;
    font-weight: 300;
    opacity: 0.7;
    margin-bottom: 40px;
    letter-spacing: 0.02em;
  }
.headline-label em {
    color: var(--ice);
    font-style: normal;
    font-weight: 600;
  }
.result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(255,255,255,0.12);
    margin-bottom: 32px;
  }
.result-cell {
    background: var(--ink);
    padding: 24px 20px;
  }
.result-cell .key {
    font-size: 10px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    opacity: 0.55;
    margin-bottom: 8px;
  }
.result-cell .value {
    font-size: 26px;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
  }
.result-cell .sub {
    font-size: 11px;
    opacity: 0.5;
    margin-top: 4px;
  }
.bar-chart {
    margin: 32px 0;
  }
.bar-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 12px;
  }
.bar-row .bar-label {
    flex: 0 0 60px;
    opacity: 0.6;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
.bar-row .bar-track {
    flex: 1;
    height: 8px;
    background: rgba(255,255,255,0.08);
    position: relative;
    overflow: hidden;
  }
.bar-row .bar-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--ice);
    transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
  }
.bar-row .bar-fill.deep { background: var(--paper); }
.bar-row .bar-value {
    flex: 0 0 90px;
    text-align: right;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
  }
.cta {
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.15);
  }
.cta-tagline {
    font-size: 13px;
    opacity: 0.7;
    margin-bottom: 20px;
    font-weight: 300;
    line-height: 1.5;
  }
.cta-btn {
    display: block;
    width: 100%;
    padding: 20px 24px;
    background: var(--paper);
    color: var(--ink);
    border: none;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    text-align: center;
  }
.cta-btn:hover {
    background: var(--ice);
    color: var(--paper);
  }
.cta-btn .arrow {
    margin-left: 8px;
    transition: transform 0.25s ease;
    display: inline-block;
  }
.cta-btn:hover .arrow { transform: translateX(4px); }
.bonus {
    background: var(--paper-warm);
    padding: 80px 5vw;
    border-top: 1px solid var(--line);
  }
.bonus-inner {
    max-width: 1200px;
    margin: 0 auto;
  }
.bonus h3 {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin-bottom: 16px;
    color: var(--deep);
  }
.bonus .quote {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: -0.01em;
    max-width: 900px;
    margin-bottom: 60px;
  }
.bonus .quote em {
    color: var(--ice);
    font-style: italic;
    font-weight: 600;
  }
.bonus-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
  }
.bonus-item {
    border-top: 1px solid var(--ink);
    padding-top: 20px;
  }
.bonus-item .number {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.2em;
    margin-bottom: 12px;
    opacity: 0.5;
  }
.bonus-item .title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.3;
  }
.bonus-item .desc {
    font-size: 14px;
    opacity: 0.7;
    line-height: 1.5;
  }
.footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 11px;
    color: rgba(245,242,235,0.45);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
.footer-inner a {
    color: rgba(245,242,235,0.7);
    text-decoration: none;
    margin: 0 12px;
  }
.footer-inner a:hover { color: var(--paper); }
.view { display: none; }
.view.active { display: contents; }
@media (max-width: 900px) {
    .view.active { display: block; }
    .calc { display: block; }
    .results { margin-top: 40px; }
  }
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
.results { animation: slideUp 0.5s cubic-bezier(0.22, 1, 0.36, 1); }
.footnote {
    font-size: 10px;
    opacity: 0.4;
    margin-top: 24px;
    line-height: 1.5;
    letter-spacing: 0.02em;
  }