/* ==========================================================================
   BeLight Energy — home.css (específico da página inicial)
   ========================================================================== */
@layer pages {
  /* ------------------------------------------------------------ Hero */
  .hero { position: relative; isolation: isolate; overflow: clip; padding-block: clamp(2.5rem, 1.5rem + 5vw, 6rem) clamp(3rem, 2rem + 4vw, 5.5rem); }
  .hero::before {
    content: ""; position: absolute; inset: 0; z-index: -2;
    background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size: 3.5rem 3.5rem;
    mask-image: radial-gradient(ellipse 60% 70% at 70% 30%, #000 20%, transparent 75%);
  }
  /* "Ponto de luz" âmbar animado com @property --glow-angle */
  .hero::after {
    content: ""; position: absolute; z-index: -1; inline-size: min(46rem, 90vw); aspect-ratio: 1; border-radius: 50%;
    inset-block-start: -14rem; inset-inline-end: -12rem;
    background: conic-gradient(from var(--glow-angle), color-mix(in oklab, var(--accent) 50%, transparent), transparent 35%, color-mix(in oklab, var(--accent) 30%, transparent) 60%, transparent 85%);
    filter: blur(70px); opacity: .55;
    animation: glow-spin 18s linear infinite;
  }
  @keyframes glow-spin { to { --glow-angle: 360deg; } }

  .hero__grid { display: grid; gap: clamp(2rem, 1rem + 4vw, 4.5rem); align-items: center; }
  @media (min-width: 60em) { .hero__grid { grid-template-columns: 1.1fr .9fr; } }
  .hero__copy h1 { margin-block: var(--s-5); max-inline-size: 16ch; }
  .hero__copy .lead { font-size: var(--fs-xl); line-height: 1.5; }
  .hero__proof { display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-5); margin-block: var(--s-6); font-size: var(--fs-sm); font-weight: 500; }
  .hero__proof li { display: inline-flex; align-items: center; gap: var(--s-2); }
  .hero__proof .bi { color: var(--success); font-size: 1.05rem; }
  .hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-5); }

  .hero__card { --pad: clamp(1.5rem, 1.1rem + 1.5vw, 2.25rem); box-shadow: var(--shadow-lg); border-radius: var(--r-xl); }
  @starting-style { .hero__card { opacity: 0; translate: 0 16px; } }
  .hero__card { transition: opacity var(--t-slow) var(--ease-out), translate var(--t-slow) var(--ease-out), background-color var(--t-slow) var(--ease); }
  .hero__card-head { margin-block-end: var(--s-5); }
  .hero__card-title { font-size: var(--fs-xl); margin-block: var(--s-3) var(--s-1); }
  .hero__card-head p, .hero__card-foot { font-size: var(--fs-sm); color: var(--muted); }
  .hero__card-foot { display: flex; align-items: center; justify-content: center; gap: var(--s-2); font-size: var(--fs-xs); }

  /* Dropzone — conteúdo centrado sem flex/grid (text-align + margin auto) */
  .dropzone {
    display: block; text-align: center; cursor: pointer;
    padding: var(--s-6) var(--s-5); border-radius: var(--r-lg);
    border: 1.5px dashed color-mix(in oklab, var(--text) 25%, var(--line));
    background: color-mix(in oklab, var(--accent) 5%, var(--bg));
    transition: border-color var(--t) var(--ease), background-color var(--t) var(--ease), scale var(--t) var(--ease-out);
  }
  .dropzone:hover, .dropzone.is-drag { border-color: var(--accent); background: var(--accent-soft); }
  .dropzone.is-drag { scale: 1.015; }
  .dropzone:has(input:focus-visible) { outline: 2px solid var(--focus); outline-offset: 3px; }
  .dropzone.is-filled { border-style: solid; border-color: var(--success); background: color-mix(in oklab, var(--success) 7%, var(--bg)); }
  .field.is-invalid .dropzone { border-color: var(--danger); }
  .dropzone__icon { display: block; inline-size: 3.25rem; block-size: 3.25rem; margin: 0 auto var(--s-3); border-radius: var(--r-md); background: var(--surface); box-shadow: var(--shadow-sm); line-height: 3.25rem; font-size: 1.4rem; transition: translate var(--t) var(--ease-out); }
  .dropzone:hover .dropzone__icon { translate: 0 -3px; }
  .dropzone.is-filled .dropzone__icon { color: var(--success); }
  .dropzone__title { display: block; font-weight: 600; font-size: var(--fs-sm); }
  .dropzone__title u { text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 3px; }
  .dropzone__hint { display: block; margin-block-start: var(--s-1); font-size: var(--fs-xs); color: var(--muted); }

  /* ------------------------------------------------------------ Faixa de confiança */
  .trust { border-block: 1px solid var(--line); background: var(--surface); }
  .trust__grid { display: grid; grid-template-columns: repeat(2, 1fr); }
  @media (min-width: 56em) { .trust__grid { grid-template-columns: repeat(4, 1fr); } }
  .trust__item { padding: var(--s-6) var(--s-5); text-align: center; }
  .trust__item + .trust__item { border-inline-start: 1px solid var(--line); }
  @media (max-width: 55.99em) { .trust__item:nth-child(3) { border-inline-start: 0; } .trust__item:nth-child(n+3) { border-block-start: 1px solid var(--line); } }

  /* ------------------------------------------------------------ Passos */
  .steps { display: grid; gap: var(--s-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); counter-reset: step; }
  .step { overflow: clip; }
  .step__num { position: absolute; inset-block-start: var(--s-4); inset-inline-end: var(--s-5); font-family: var(--font-display); font-weight: 600; font-size: var(--fs-3xl); color: color-mix(in oklab, var(--text) 8%, transparent); line-height: 1; }
  @media (min-width: 60em) {
    .step:not(:last-child)::after { content: "\F138"; font-family: "bootstrap-icons"; position: absolute; inset-block-start: 50%; inset-inline-end: calc(var(--s-5) * -.5 - .7rem); translate: 0 -50%; z-index: 2; inline-size: 1.4rem; block-size: 1.4rem; line-height: 1.4rem; text-align: center; font-size: .7rem; border-radius: 50%; background: var(--accent); color: var(--accent-ink); }
    .step { overflow: visible; }
  }

  /* ------------------------------------------------------------ Simulador */
  .sim { display: grid; gap: var(--s-6); --pad: clamp(1.25rem, 1rem + 1.2vw, 2rem); border-radius: var(--r-xl); box-shadow: var(--shadow-md); }
  @media (min-width: 48em) { .sim { grid-template-columns: 1.25fr 1fr; } }
  .sim-intro { display: grid; gap: var(--s-5); margin-block-end: clamp(2rem, 1.5rem + 2vw, 3rem); }
  @media (min-width: 60em) { .sim-intro { grid-template-columns: 1fr auto; align-items: end; } .sim-intro .section-head { margin: 0; } }
  .sim__form { display: grid; gap: var(--s-5); align-content: start; }
  fieldset.field { border: 0; padding: 0; min-inline-size: 0; }

  .seg { display: grid; grid-template-columns: 1fr 1fr; padding: var(--s-1); gap: var(--s-1); border-radius: var(--r-sm); background: var(--surface-2); border: 1px solid var(--line); }
  .seg label { position: relative; }
  .seg input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
  .seg span { display: block; text-align: center; padding: .55rem var(--s-2); border-radius: calc(var(--r-sm) - 4px); font-size: var(--fs-sm); font-weight: 600; color: var(--muted); transition: background-color var(--t) var(--ease), color var(--t) var(--ease), box-shadow var(--t) var(--ease); }
  .seg input:checked + span { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
  .seg input:focus-visible + span { outline: 2px solid var(--focus); outline-offset: 1px; }

  .range__head { display: flex; justify-content: space-between; align-items: baseline; }
  .range__out { font-family: var(--font-display); font-weight: 600; font-variant-numeric: tabular-nums; }
  .range__scale { display: flex; justify-content: space-between; font-size: var(--fs-xs); color: var(--muted); }
  .range { --fill: 20%; appearance: none; inline-size: 100%; block-size: 1.5rem; background: transparent; cursor: pointer; }
  .range::-webkit-slider-runnable-track { block-size: 6px; border-radius: 3px; background: linear-gradient(to right, var(--accent) var(--fill), var(--surface-2) var(--fill)); border: 1px solid var(--line); }
  .range::-moz-range-track { block-size: 6px; border-radius: 3px; background: var(--surface-2); }
  .range::-moz-range-progress { block-size: 6px; border-radius: 3px; background: var(--accent); }
  .range::-webkit-slider-thumb { appearance: none; inline-size: 1.4rem; block-size: 1.4rem; margin-block-start: calc(-.7rem + 2px); border-radius: 50%; background: var(--surface); border: 2px solid var(--text); box-shadow: var(--shadow-sm); transition: scale var(--t-fast) var(--ease); }
  .range::-moz-range-thumb { inline-size: 1.2rem; block-size: 1.2rem; border-radius: 50%; background: var(--surface); border: 2px solid var(--text); }
  .range:active::-webkit-slider-thumb { scale: 1.15; }
  .range:focus-visible { outline: none; }
  .range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px color-mix(in oklab, var(--focus) 30%, transparent); }

  .input-affix { position: relative; }
  .input-affix span { position: absolute; inset-block: 0; inset-inline-end: var(--s-4); margin-block: auto; block-size: 1.5em; color: var(--muted); font-weight: 600; }
  .input-affix .input { padding-inline-end: 2.5rem; font-variant-numeric: tabular-nums; }

  .sim__result { padding: var(--s-5); border-radius: var(--r-lg); background: var(--surface-2); border: 1px solid var(--line); text-align: center; display: grid; gap: var(--s-4); align-content: start; }
  /* Medidor circular: @property --progress anima o conic-gradient */
  .gauge { --progress: 0; inline-size: 10rem; aspect-ratio: 1; margin-inline: auto; border-radius: 50%; position: relative;
    background: conic-gradient(var(--accent) calc(var(--progress) * 1%), color-mix(in oklab, var(--text) 9%, transparent) 0);
    transition: --progress 900ms var(--ease-out);
  }
  .gauge__inner { position: absolute; inset: 12px; margin: auto; border-radius: 50%; background: var(--surface-2); text-align: center; align-content: center; }
  .gauge__value { display: block; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-2xl); line-height: 1.1; font-variant-numeric: tabular-nums; }
  .gauge__label { display: block; font-size: var(--fs-xs); color: var(--muted); max-inline-size: 11ch; margin-inline: auto; line-height: 1.3; }
  .sim__figures { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-3); }
  .sim__figures div { padding: var(--s-3); border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); }
  .sim__figures dt { font-size: var(--fs-xs); color: var(--muted); }
  .sim__figures dd { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-lg); font-variant-numeric: tabular-nums; }
  .sim__figures dd.is-strong { color: var(--success); }
  .sim__msg { font-size: var(--fs-sm); color: var(--text); min-block-size: 2.8em; }
  .sim__note { font-size: var(--fs-xs); color: var(--muted); }

  /* ------------------------------------------------------------ Planos */
  .plans { align-items: stretch; }
  .plan { display: flex; flex-direction: column; gap: var(--s-4); }
  .plan h3 { margin: 0; }
  .plan .checklist { margin-block: var(--s-2) var(--s-4); }
  .plan .btn { margin-block-start: auto; }
  .plan--featured .checklist li { color: var(--on-inverse); }
  .plan--featured .checklist li::before { color: var(--ambar-2); }
  .plan__flag { position: absolute; inset-block-start: var(--s-5); inset-inline-end: var(--s-5); }
  .plan--featured { box-shadow: var(--shadow-lg); }

  /* ------------------------------------------------------------ Sistema elétrico */
  .system { --pad: 0; overflow: clip; border-radius: var(--r-xl); }
  .system__tabs { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; border-block-end: 1px solid var(--line); background: var(--surface-2); }
  .system__tab { flex: 1 0 auto; scroll-snap-align: start; min-block-size: 3.5rem; padding: 0 var(--s-5); font-weight: 600; font-size: var(--fs-sm); color: var(--muted); border-block-end: 2px solid transparent; transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease); }
  .system__tab span { font-family: var(--font-display); color: color-mix(in oklab, var(--muted) 60%, transparent); margin-inline-end: var(--s-1); }
  .system__tab:hover { color: var(--text); }
  .system__tab[aria-selected="true"] { color: var(--text); border-block-end-color: var(--accent); background: var(--surface); }
  .system__tab:focus-visible { outline-offset: -3px; }
  @media (min-width: 48em) { .system__tab { flex: 1 1 0; } }
  .system__body { display: grid; gap: var(--s-6); padding: clamp(1.25rem, 1rem + 2vw, 2.5rem); align-items: center; }
  @media (min-width: 60em) { .system__body { grid-template-columns: 1.3fr 1fr; } }
  .system__diagram { display: none; }
  @media (min-width: 40em) { .system__diagram { display: block; } }
  .system__diagram svg { inline-size: 100%; overflow: visible; }
  .sys__line { stroke: var(--line); stroke-width: 4; fill: none; }
  .sys__flow { stroke: var(--accent); stroke-width: 4; fill: none; stroke-dasharray: 10 14; animation: flow 1.2s linear infinite; }
  @keyframes flow { to { stroke-dashoffset: -24; } }
  .sys__node { cursor: pointer; }
  .sys__node circle { fill: var(--surface); stroke: var(--line); stroke-width: 2; transition: fill var(--t) var(--ease), stroke var(--t) var(--ease), r var(--t) var(--ease-out); }
  .sys__ico { fill: none; stroke: var(--muted); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke var(--t) var(--ease); }
  .sys__node text { text-anchor: middle; font: 600 17px var(--font-body); fill: var(--muted); transition: fill var(--t) var(--ease); }
  .system__diagram[data-step="1"] [data-n="1"], .system__diagram[data-step="2"] [data-n="2"], .system__diagram[data-step="3"] [data-n="3"], .system__diagram[data-step="4"] [data-n="4"], .system__diagram[data-step="5"] [data-n="5"] {
    & circle { fill: var(--accent); stroke: var(--accent); r: 50; }
    & .sys__ico { stroke: var(--accent-ink); }
    & text { fill: var(--text); }
  }
  .system__panel h3 { margin-block-end: var(--s-3); }
  .system__panel p { color: var(--muted); }
  .system__panel p + p { margin-block-start: var(--s-4); }
  .system__who { display: flex; gap: var(--s-2); align-items: center; font-size: var(--fs-sm); padding: var(--s-3) var(--s-4); border-radius: var(--r-md); background: var(--accent-soft); color: var(--text) !important; }

  /* ------------------------------------------------------------ Anatomia da fatura */
  .bill { perspective: 1200px; }
  .bill__paper {
    max-inline-size: 26rem; margin-inline: auto; padding: var(--s-6); border-radius: var(--r-lg);
    background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow-lg);
    rotate: -2deg; transition: rotate var(--t-slow) var(--ease-out);
  }
  .bill:hover .bill__paper { rotate: 0deg; }
  .bill__top { display: grid; grid-template-columns: auto 1fr; gap: var(--s-4); margin-block-end: var(--s-5); }
  .bill__logo { inline-size: 2.5rem; block-size: 2.5rem; border-radius: var(--r-sm); background: var(--inverse); }
  .bill__lines { display: grid; gap: var(--s-2); align-content: center; }
  .bill__lines i { display: block; block-size: .5rem; border-radius: 4px; background: var(--surface-2); }
  .bill__lines i:last-child { inline-size: 60%; }
  .bill__total { grid-column: 1 / -1; padding: var(--s-4); border-radius: var(--r-md); background: var(--surface-2); }
  .bill__total small { display: block; color: var(--muted); }
  .bill__total strong { font-family: var(--font-display); font-size: var(--fs-2xl); }
  .bill__row { display: flex; justify-content: space-between; gap: var(--s-3); padding: var(--s-3); border-radius: var(--r-sm); font-size: var(--fs-sm); border-block-end: 1px dashed var(--line); }
  .bill__row b { font-variant-numeric: tabular-nums; }
  .bill__chart { display: flex; align-items: end; gap: 4px; block-size: 3.5rem; margin-block-start: var(--s-5); padding: var(--s-2); border-radius: var(--r-sm); }
  .bill__chart i { flex: 1; border-radius: 3px 3px 0 0; background: color-mix(in oklab, var(--text) 14%, transparent); }
  .bill__chart i:nth-child(1){block-size:70%}.bill__chart i:nth-child(2){block-size:62%}.bill__chart i:nth-child(3){block-size:48%}.bill__chart i:nth-child(4){block-size:40%}.bill__chart i:nth-child(5){block-size:34%}.bill__chart i:nth-child(6){block-size:38%}.bill__chart i:nth-child(7){block-size:44%}.bill__chart i:nth-child(8){block-size:42%}.bill__chart i:nth-child(9){block-size:36%}.bill__chart i:nth-child(10){block-size:50%}.bill__chart i:nth-child(11){block-size:66%}.bill__chart i:nth-child(12){block-size:80%}
  [data-zone] { transition: background-color var(--t) var(--ease), box-shadow var(--t) var(--ease), translate var(--t) var(--ease-out); }
  [data-zone].is-active { background: var(--accent-soft); box-shadow: inset 3px 0 0 var(--accent); translate: 4px 0; }

  .bill-legend { display: grid; gap: var(--s-2); }
  .bill-legend button { inline-size: 100%; display: grid; grid-template-columns: auto 1fr; gap: var(--s-4); padding: var(--s-4); text-align: start; border-radius: var(--r-md); border: 1px solid transparent; transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease); }
  .bill-legend button:hover, .bill-legend button.is-active { background: var(--surface); border-color: var(--line); box-shadow: var(--shadow-sm); }
  .bill-legend__n { inline-size: 2rem; block-size: 2rem; border-radius: 50%; text-align: center; line-height: 2rem; font-family: var(--font-display); font-weight: 600; font-size: var(--fs-sm); background: var(--surface-2); transition: background-color var(--t) var(--ease), color var(--t) var(--ease); }
  .bill-legend button.is-active .bill-legend__n { background: var(--accent); color: var(--accent-ink); }
  .bill-legend strong { display: block; font-family: var(--font-display); }
  .bill-legend small { display: block; margin-block-start: var(--s-1); font-size: var(--fs-sm); color: var(--muted); }

  /* ------------------------------------------------------------ Mercado */
  .market { border-radius: var(--r-xl); display: grid; gap: var(--s-5); }
  .market__head { display: flex; justify-content: space-between; align-items: start; gap: var(--s-3); }
  .market__head strong { display: block; font-family: var(--font-display); }
  .market__head .muted { font-size: var(--fs-xs); }
  .market__kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-3); }
  .market__kpis div { padding: var(--s-3) var(--s-4); border-radius: var(--r-md); background: var(--surface-2); }
  .market__kpis dt { font-size: var(--fs-xs); color: var(--muted); }
  .market__kpis dd { font-size: clamp(.875rem, .8rem + .4vw, 1rem); font-family: var(--font-display); font-weight: 600; font-variant-numeric: tabular-nums; }
  .market__chart { display: flex; align-items: end; gap: 3px; block-size: 12rem; padding-block-start: var(--s-3); border-block-end: 1px solid var(--line); }
  .market__bar { --v: .5; flex: 1; block-size: calc(var(--v) * 100%); border-radius: 4px 4px 0 0; background: color-mix(in oklab, var(--text) 16%, transparent); transform-origin: bottom; transition: background-color var(--t-fast) var(--ease), scale var(--t-slow) var(--ease-out); }
  .market__bar.is-low { background: color-mix(in oklab, var(--success) 55%, transparent); }
  .market__bar.is-high { background: var(--accent); }
  .market__bar:hover, .market__bar:focus-visible { background: var(--text); outline: none; }
  @starting-style { .market__bar { scale: 1 0; } }
  .market__axis { display: flex; justify-content: space-between; font-size: var(--fs-xs); color: var(--muted); margin-block-start: calc(var(--s-3) * -1); }
  .market__tip { font-size: var(--fs-sm); color: var(--muted); min-block-size: 1.6em; }
}