/* ==========================================================================
   BeLight Energy — base.css
   Componentes reutilizáveis partilhados por todas as páginas.
   ========================================================================== */

@layer layout {
  /* Grelhas utilitárias — colunas proporcionais e gap único */
  .grid { display: grid; gap: var(--gap, var(--s-5)); }
  .grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
  .grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }
  .grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); }
  .split { display: grid; gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: center; }
  @media (min-width: 60em) {
    .split { grid-template-columns: 1fr 1fr; }
    .split--wide-left { grid-template-columns: 1.15fr .85fr; }
    .split--wide-right { grid-template-columns: .85fr 1.15fr; }
    .split--top { align-items: start; }
  }
  .cluster { display: flex; flex-wrap: wrap; gap: var(--gap, var(--s-3)); align-items: center; }

  .section-head { max-inline-size: 44rem; margin-block-end: clamp(2rem, 1.5rem + 2vw, 3.5rem); }
  .section-head h2 { margin-block: var(--s-4); }
  .section-head.center { text-align: center; }
  .section-head.center .lead { margin-inline: auto; }
  .section-head--row { max-inline-size: none; display: flex; flex-wrap: wrap; gap: var(--s-5); align-items: end; justify-content: space-between; }
  .section-head--row > div { max-inline-size: 40rem; }
}

@layer components {
  /* ---------------------------------------------------------------- Cards */
  .card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: var(--pad, clamp(1.5rem, 1.2rem + 1vw, 2rem));
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), translate var(--t) var(--ease-out), background-color var(--t-slow) var(--ease);
  }
  .card--hover:hover, .card--hover:focus-within { border-color: color-mix(in oklab, var(--text) 18%, var(--line)); box-shadow: var(--shadow-md); translate: 0 -3px; }
  .card h3 { margin-block-end: var(--s-2); }
  .card p { color: var(--muted); }
  .card--inverse { background: var(--inverse); color: var(--on-inverse); border-color: transparent; --logo-gap: var(--inverse); }
  .card--inverse :is(h2, h3, h4) { color: var(--on-inverse); }
  .card--inverse p { color: color-mix(in oklab, var(--on-inverse) 78%, transparent); }
  .card--flat { background: var(--surface-2); }
  .card__link { position: absolute; inset: 0; border-radius: inherit; z-index: 1; }
  .card__link:focus-visible { outline-offset: 2px; }

  /* Ícone em chip quadrado (proporção 1:1, raio = r-md) */
  .icon-chip {
    --size: 3rem;
    inline-size: var(--size); block-size: var(--size); border-radius: var(--r-md);
    display: block; text-align: center; line-height: var(--size); font-size: calc(var(--size) * .42);
    background: var(--accent-soft); color: var(--text); margin-block-end: var(--s-5);
  }
  .icon-chip--dark { background: var(--inverse); color: var(--accent); }
  .icon-chip--sm { --size: 2.25rem; margin-block-end: 0; }

  /* ---------------------------------------------------------------- Badges / chips */
  .badge {
    display: inline-flex; align-items: center; gap: .4em;
    padding: .3em .75em; border-radius: var(--r-full);
    font-size: var(--fs-xs); font-weight: 600; letter-spacing: .02em;
    background: var(--surface-2); color: var(--text); border: 1px solid var(--line);
  }
  .badge--accent { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
  .badge--soft { background: var(--accent-soft); border-color: transparent; }

  .chip {
    display: inline-flex; align-items: center; gap: .4em; min-block-size: 2.25rem; padding: 0 var(--s-4);
    border-radius: var(--r-full); border: 1px solid var(--line); background: var(--surface);
    font-size: var(--fs-sm); font-weight: 500; color: var(--text); text-decoration: none;
    transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
  }
  .chip:hover { border-color: color-mix(in oklab, var(--text) 30%, var(--line)); }
  .chip[aria-pressed="true"], .chip[aria-selected="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }

  /* ---------------------------------------------------------------- Lista com check */
  .checklist { display: grid; gap: var(--s-3); padding: 0; list-style: none; }
  .checklist li { position: relative; padding-inline-start: 1.75rem; color: var(--text); }
  .checklist li::before {
    content: "\F26E"; font-family: "bootstrap-icons"; position: absolute; inset-inline-start: 0; inset-block-start: .1em;
    color: var(--success); font-size: 1.05rem; line-height: 1.4;
  }
  .checklist--muted li { color: var(--muted); }

  /* ---------------------------------------------------------------- Links */
  .link-arrow { display: inline-flex; align-items: center; gap: .4em; font-weight: 600; font-size: var(--fs-sm); text-decoration: none; color: var(--text); }
  .link-arrow .bi { transition: translate var(--t) var(--ease-out); }
  .link-arrow:hover .bi { translate: 4px 0; }
  .link-arrow:hover { text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }

  /* ---------------------------------------------------------------- Formulários */
  .form { display: grid; gap: var(--s-4); }
  .form__row { display: grid; gap: var(--s-4); }
  @media (min-width: 40em) { .form__row--2 { grid-template-columns: 1fr 1fr; } }
  .field { display: grid; gap: var(--s-2); }
  .field__label { font-size: var(--fs-sm); font-weight: 600; color: var(--text); }
  .field__label .opt { font-weight: 400; color: var(--muted); }
  .field__hint { font-size: var(--fs-xs); color: var(--muted); }
  .input, .select, .textarea {
    inline-size: 100%; min-block-size: 3rem; padding: .75rem var(--s-4);
    border-radius: var(--r-sm); border: 1px solid var(--line); background: var(--bg);
    color: var(--text); font-size: var(--fs-md);
    transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background-color var(--t-slow) var(--ease);
  }
  .textarea { min-block-size: 8.5rem; resize: vertical; line-height: 1.55; field-sizing: content; }
  .select { appearance: none; padding-inline-end: 2.75rem; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 1.3rem) 50%, calc(100% - 1rem) 50%; background-size: .3rem .3rem; background-repeat: no-repeat; }
  .input::placeholder, .textarea::placeholder { color: color-mix(in oklab, var(--muted) 75%, transparent); }
  .input:hover, .select:hover, .textarea:hover { border-color: color-mix(in oklab, var(--text) 25%, var(--line)); }
  .input:focus-visible, .select:focus-visible, .textarea:focus-visible { outline: none; border-color: var(--focus); box-shadow: 0 0 0 4px color-mix(in oklab, var(--focus) 22%, transparent); }
  /* Validação só depois de o utilizador interagir (:user-invalid) */
  .input:user-invalid, .select:user-invalid, .textarea:user-invalid, .field.is-invalid :is(.input, .select, .textarea) { border-color: var(--danger); }
  .field__error { font-size: var(--fs-xs); color: var(--danger); display: none; }
  .field.is-invalid .field__error { display: block; }

  .check { display: flex; gap: var(--s-3); align-items: flex-start; font-size: var(--fs-sm); color: var(--muted); cursor: pointer; }
  .check input { appearance: none; flex: none; inline-size: 1.25rem; block-size: 1.25rem; margin-block-start: .1rem; border-radius: 6px; border: 1.5px solid color-mix(in oklab, var(--text) 35%, var(--line)); background: var(--bg); display: grid; place-content: center; transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease); cursor: pointer; }
  .check input::after { content: ""; inline-size: .6rem; block-size: .35rem; border-inline-start: 2px solid var(--accent-ink); border-block-end: 2px solid var(--accent-ink); rotate: -45deg; translate: 0 -1px; scale: 0; transition: scale var(--t-fast) var(--ease-out); }
  .check input:checked { background: var(--accent); border-color: var(--accent); }
  .check input:checked::after { scale: 1; }
  .check input:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
  .check a { color: var(--text); }

  /* Honeypot anti-spam (fora do ecrã, fora da ordem de tabulação) */
  .hp { position: absolute !important; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

  /* Estado do formulário */
  .form-status { display: none; align-items: flex-start; gap: var(--s-3); padding: var(--s-4); border-radius: var(--r-md); font-size: var(--fs-sm); border: 1px solid; }
  .form-status.is-success { display: flex; color: var(--success); background: color-mix(in oklab, var(--success) 10%, transparent); }
  .form-status.is-error { display: flex; color: var(--danger); background: color-mix(in oklab, var(--danger) 10%, transparent); }

  .spinner { inline-size: 1em; block-size: 1em; border-radius: 50%; border: 2px solid currentColor; border-inline-end-color: transparent; animation: spin .7s linear infinite; display: none; }
  [aria-busy="true"] .spinner { display: inline-block; }
  [aria-busy="true"] .btn__icon { display: none; }
  @keyframes spin { to { rotate: 360deg; } }

  /* ---------------------------------------------------------------- Accordion (FAQ) */
  .faq { display: grid; gap: var(--s-3); }
  .faq details {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  }
  .faq details[open] { border-color: color-mix(in oklab, var(--text) 18%, var(--line)); box-shadow: var(--shadow-sm); }
  .faq summary {
    list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
    padding: var(--s-5); font-family: var(--font-display); font-weight: 600; font-size: var(--fs-md); letter-spacing: -0.01em;
  }
  .faq summary::-webkit-details-marker { display: none; }
  .faq summary::after {
    content: "\F4FE"; font-family: "bootstrap-icons"; flex: none;
    inline-size: 2rem; block-size: 2rem; border-radius: 50%; text-align: center; line-height: 2rem;
    background: var(--surface-2); transition: rotate var(--t) var(--ease-out), background-color var(--t) var(--ease);
  }
  .faq details[open] summary::after { rotate: 45deg; background: var(--accent); color: var(--accent-ink); }
  .faq summary:focus-visible { outline-offset: -2px; border-radius: var(--r-lg); }
  /* interpolate-size + ::details-content → abrir/fechar com altura animada */
  .faq details::details-content { block-size: 0; overflow: clip; transition: block-size var(--t-slow) var(--ease-out), content-visibility var(--t-slow) allow-discrete; }
  .faq details[open]::details-content { block-size: auto; }
  .faq__body { padding: 0 var(--s-5) var(--s-5); color: var(--muted); }
  .faq__body > * + * { margin-block-start: var(--s-3); }

  /* ---------------------------------------------------------------- Tabs */
  .tabs { display: inline-flex; padding: var(--s-1); gap: var(--s-1); border-radius: var(--r-md); background: var(--surface-2); border: 1px solid var(--line); }
  .tab { min-block-size: 2.5rem; padding: 0 var(--s-4); border-radius: var(--r-sm); 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); }
  .tab:hover { color: var(--text); }
  .tab[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
  [role="tabpanel"] { animation: fade-up var(--t-slow) var(--ease-out); }

  /* ---------------------------------------------------------------- Tabela */
  .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--surface); }
  .table { inline-size: 100%; border-collapse: collapse; font-size: var(--fs-sm); min-inline-size: 36rem; }
  .table th, .table td { padding: var(--s-4) var(--s-5); text-align: start; border-block-end: 1px solid var(--line); }
  .table thead th { font-family: var(--font-display); font-weight: 600; background: var(--surface-2); }
  .table tbody tr:last-child :is(td, th) { border-block-end: 0; }
  .table tbody tr { transition: background-color var(--t-fast) var(--ease); }
  .table tbody tr:hover { background: color-mix(in oklab, var(--accent) 6%, transparent); }
  .table td.num, .table th.num { text-align: end; font-variant-numeric: tabular-nums; }
  .table .bi-check-lg { color: var(--success); font-size: 1.1rem; }
  .table .bi-dash { color: var(--muted); }

  /* ---------------------------------------------------------------- Cartões de artigo */
  .post { display: flex; flex-direction: column; padding: 0; overflow: clip; }
  .post__media { aspect-ratio: 16 / 9; background: var(--surface-2); overflow: clip; }
  .post__media img { inline-size: 100%; block-size: 100%; object-fit: cover; transition: scale var(--t-slow) var(--ease-out); }
  .post:hover .post__media img { scale: 1.04; }
  .post__body { display: flex; flex-direction: column; gap: var(--s-3); padding: var(--s-5); flex: 1; }
  .post__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-3); font-size: var(--fs-xs); color: var(--muted); }
  .post__meta .dot { inline-size: 3px; block-size: 3px; border-radius: 50%; background: currentColor; }
  .post h3 { font-size: var(--fs-lg); line-height: 1.3; margin: 0; }
  .post p { font-size: var(--fs-sm); }
  .post .link-arrow { margin-block-start: auto; padding-block-start: var(--s-2); }

  /* ---------------------------------------------------------------- Stats */
  .stat__value { font-family: var(--font-display); font-weight: 600; font-size: var(--fs-3xl); letter-spacing: -0.03em; line-height: 1; color: var(--text); font-variant-numeric: tabular-nums; }
  .stat__value em { font-style: normal; color: var(--accent); }
  .stat__label { margin-block-start: var(--s-2); font-size: var(--fs-sm); color: var(--muted); }
  /* Contador animado apenas com CSS: @property --num (integer) + counter() */
  /* Sem JS o número real fica visível; com JS é substituído por um contador animado */
  .count.is-armed { --num: 0; counter-reset: n var(--num); transition: --num 1.6s var(--ease-out); }
  .count.is-armed::before { content: counter(n); }
  .count.is-armed.is-in { --num: var(--to); }

  /* ---------------------------------------------------------------- Banda CTA */
  .cta-band {
    position: relative; overflow: clip; isolation: isolate;
    background: var(--inverse); color: var(--on-inverse); border-radius: var(--r-xl);
    padding: clamp(2.5rem, 1.5rem + 4vw, 4.5rem);
    --logo-gap: var(--inverse);
  }
  .cta-band::after {
    content: ""; position: absolute; z-index: -1; inline-size: 28rem; aspect-ratio: 1; border-radius: 50%;
    inset-block-start: -12rem; inset-inline-end: -8rem;
    background: radial-gradient(circle, color-mix(in oklab, var(--ambar-2) 55%, transparent), transparent 65%);
    opacity: .55;
  }
  .cta-band__mark { position: absolute; inset-block: 0; inset-inline-end: clamp(2rem, 6vw, 6rem); margin-block: auto; block-size: 60%; inline-size: auto; color: color-mix(in oklab, var(--on-inverse) 92%, transparent); display: none; }
  @media (min-width: 56em) { .cta-band__mark { display: block; } }
  .cta-band h2 { color: var(--on-inverse); max-inline-size: 20ch; }
  .cta-band p { color: color-mix(in oklab, var(--on-inverse) 75%, transparent); max-inline-size: 52ch; margin-block: var(--s-4) var(--s-6); }
  .cta-band .eyebrow { color: color-mix(in oklab, var(--on-inverse) 70%, transparent); }
  .cta-band .btn:not(.btn--primary) { --btn-bg: transparent; --btn-fg: var(--on-inverse); --btn-bd: color-mix(in oklab, var(--on-inverse) 30%, transparent); }
  .cta-band .btn:not(.btn--primary):hover { --btn-bg: color-mix(in oklab, var(--on-inverse) 10%, transparent); }

  /* ---------------------------------------------------------------- Publicidade */
  .ad-slot {
    display: block; position: relative; padding: var(--s-5); border-radius: var(--r-lg);
    border: 1px dashed color-mix(in oklab, var(--text) 22%, var(--line)); background: var(--surface-2);
    text-decoration: none; color: var(--text);
  }
  .ad-slot__label { position: absolute; inset-block-start: var(--s-3); inset-inline-end: var(--s-3); font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
  .ad-slot p { color: var(--muted); font-size: var(--fs-sm); margin-block: var(--s-2) var(--s-4); }

  /* ---------------------------------------------------------------- Toast */
  .toast {
    position: fixed; inset-block-end: var(--s-5); inset-inline: var(--gutter); margin-inline: auto; inline-size: fit-content; max-inline-size: 28rem; z-index: 300;
    display: flex; align-items: center; gap: var(--s-3); padding: var(--s-3) var(--s-5);
    border-radius: var(--r-md); background: var(--text); color: var(--bg); font-size: var(--fs-sm); font-weight: 500; box-shadow: var(--shadow-lg);
    transition: opacity var(--t) var(--ease), translate var(--t) var(--ease-out), display var(--t) allow-discrete;
  }
  .toast[hidden] { display: none !important; opacity: 0; translate: 0 1rem; }
  @starting-style { .toast { opacity: 0; translate: 0 1rem; } }

  /* ================================================================== Mega menu (desktop) */
  .nav__item { position: static; }
  .mega {
    position: absolute; inset-inline: 0; inset-block-start: 100%;
    display: none; opacity: 0; translate: 0 -8px;
    background: var(--surface); border-block: 1px solid var(--line); box-shadow: var(--shadow-lg);
    transition: opacity var(--t) var(--ease), translate var(--t) var(--ease-out), display var(--t) allow-discrete, overlay var(--t) allow-discrete;
  }
  .nav__link[aria-expanded="true"] + .mega { display: block; opacity: 1; translate: 0 0; }
  @starting-style { .nav__link[aria-expanded="true"] + .mega { opacity: 0; translate: 0 -8px; } }
  .mega__inner { display: grid; grid-template-columns: 1fr 18rem; gap: var(--s-6); padding-block: var(--s-6); }
  .mega__groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-5); }
  .mega__title { display: flex; align-items: center; gap: var(--s-3); font-family: var(--font-display); font-weight: 600; text-decoration: none; color: var(--text); padding: var(--s-2); margin: calc(var(--s-2) * -1); border-radius: var(--r-sm); transition: background-color var(--t-fast) var(--ease); }
  .mega__title:hover { background: var(--surface-2); }
  .mega__title .icon-chip { --size: 2.25rem; margin: 0; }
  .mega__desc { font-size: var(--fs-xs); line-height: 1.5; min-block-size: 3em; color: var(--muted); margin-block: var(--s-3); }
  .mega__links { display: grid; gap: 2px; border-inline-start: 1px solid var(--line); padding-inline-start: var(--s-3); }
  .mega__links a { display: block; padding: var(--s-2) var(--s-3); border-radius: var(--r-sm); font-size: var(--fs-sm); text-decoration: none; color: var(--muted); transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), translate var(--t) var(--ease-out); }
  .mega__links a:hover, .mega__links a:focus-visible { color: var(--text); background: var(--surface-2); translate: 3px 0; }
  .mega__feature { padding: var(--s-5); border-radius: var(--r-lg); background: var(--inverse); color: var(--on-inverse); display: flex; flex-direction: column; gap: var(--s-3); }
  .mega__feature strong { font-family: var(--font-display); font-size: var(--fs-lg); line-height: 1.25; }
  .mega__feature p { font-size: var(--fs-sm); color: color-mix(in oklab, var(--on-inverse) 72%, transparent); }
  .mega__feature .btn { margin-block-start: auto; }

  /* ================================================================== Menu mobile (stack) */
  .mnav {
    position: fixed; inset: var(--header-h) 0 0 0; z-index: 90;
    background: var(--bg); overflow: clip;
    display: none; opacity: 0;
    transition: opacity var(--t) var(--ease), display var(--t) allow-discrete, overlay var(--t) allow-discrete;
  }
  .mnav.is-open { display: block; opacity: 1; }
  @starting-style { .mnav.is-open { opacity: 0; } }
  .mnav__screen {
    position: absolute; inset: 0; overflow-y: auto; overscroll-behavior: contain;
    padding: var(--s-4) var(--gutter) calc(var(--s-7) + env(safe-area-inset-bottom));
    background: var(--bg);
    transition: translate var(--t-slow) var(--ease-out), opacity var(--t) var(--ease), filter var(--t) var(--ease);
  }
  @starting-style { .mnav__screen.is-entering { translate: 100% 0; } }
  .mnav__screen.is-covered { translate: -28% 0; opacity: .0; }
  .mnav__screen.is-leaving { translate: 100% 0; }
  .mnav.is-open .mnav__screen:only-child { animation: fade-up var(--t-slow) var(--ease-out); }
  .mnav__head { display: flex; align-items: center; gap: var(--s-3); padding-block: var(--s-2) var(--s-4); margin-block-end: var(--s-2); border-block-end: 1px solid var(--line); }
  .mnav__back { display: inline-flex; align-items: center; gap: var(--s-2); min-block-size: 2.75rem; padding-inline: var(--s-3) var(--s-4); border-radius: var(--r-sm); border: 1px solid var(--line); background: var(--surface); font-size: var(--fs-sm); font-weight: 600; }
  .mnav__back:active { scale: .97; }
  .mnav__title { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; outline: none; }
  .mnav__list { list-style: none; padding: 0; }
  .mnav__row {
    inline-size: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
    min-block-size: 3.5rem; padding: var(--s-3) var(--s-2); border-block-end: 1px solid var(--line);
    font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 600; text-align: start; text-decoration: none; color: var(--text);
    transition: background-color var(--t-fast) var(--ease), padding var(--t) var(--ease-out);
  }
  .mnav__row:active { background: var(--surface-2); padding-inline-start: var(--s-4); }
  .mnav__row .bi { font-size: 1rem; color: var(--muted); }
  .mnav__row[aria-current="page"] { color: var(--text); }
  .mnav__row[aria-current="page"] .bi { display: none; }
  .mnav__row[aria-current="page"]::after { content: ""; inline-size: .5rem; block-size: .5rem; border-radius: 50%; background: var(--accent); }
  .mnav__list--sub .mnav__row { font-family: var(--font-body); font-size: var(--fs-md); font-weight: 500; }
  .mnav__overview { margin-block-end: var(--s-2); }
  .mnav__foot { margin-block-start: var(--s-6); display: grid; gap: var(--s-3); }
  .mnav__foot .btn { inline-size: 100%; }
  .mnav__list > li { animation: fade-up var(--t-slow) var(--ease-out) both; animation-delay: calc(sibling-index() * 30ms); }

  :root.is-locked, :root.is-locked body { overflow: hidden; }

  /* ================================================================== Footer */
  .site-footer {
    --logo-gap: var(--inverse);
    background: var(--inverse); color: var(--on-inverse); padding-block: var(--s-8) var(--s-5);
  }
  .site-footer .brand { color: var(--on-inverse); }
  /* Versão negativo do manual: marfim + âmbar claro */
  .site-footer .brand__dot, .cta-band__mark .brand__dot { fill: var(--ambar-2); }
  .footer__top { display: grid; gap: var(--s-7); grid-template-columns: 1fr; }
  @media (min-width: 48em) { .footer__top { grid-template-columns: 1.4fr repeat(3, 1fr); } }
  .footer__about p { margin-block: var(--s-4) var(--s-5); max-inline-size: 34ch; color: color-mix(in oklab, var(--on-inverse) 70%, transparent); font-size: var(--fs-sm); }
  .footer__title { font-family: var(--font-display); font-size: var(--fs-sm); font-weight: 600; color: var(--on-inverse); margin-block-end: var(--s-4); }
  .footer__links { list-style: none; padding: 0; display: grid; gap: var(--s-2); }
  .footer__links a { font-size: var(--fs-sm); color: color-mix(in oklab, var(--on-inverse) 70%, transparent); text-decoration: none; transition: color var(--t-fast) var(--ease); }
  .footer__links a:hover { color: var(--on-inverse); text-decoration: underline; text-underline-offset: 3px; }
  .footer__social { display: flex; gap: var(--s-2); }
  .footer__social a { inline-size: 2.5rem; block-size: 2.5rem; border-radius: var(--r-sm); display: grid; place-items: center; color: var(--on-inverse); border: 1px solid color-mix(in oklab, var(--on-inverse) 18%, transparent); transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease); }
  .footer__social a:hover { background: var(--ambar-2); color: var(--noite); border-color: transparent; }
  .footer__bottom { margin-block-start: var(--s-7); padding-block-start: var(--s-5); border-block-start: 1px solid color-mix(in oklab, var(--on-inverse) 14%, transparent); display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-5); justify-content: space-between; font-size: var(--fs-xs); color: color-mix(in oklab, var(--on-inverse) 60%, transparent); }
  .footer__bottom a { color: inherit; }
  .site-footer :focus-visible { outline-color: var(--ambar-2); }

  /* Newsletter no footer */
  .footer__news { display: flex; gap: var(--s-2); margin-block-start: var(--s-3); }
  .footer__news .input { background: color-mix(in oklab, var(--on-inverse) 8%, transparent); border-color: color-mix(in oklab, var(--on-inverse) 18%, transparent); color: var(--on-inverse); min-block-size: 2.75rem; }
}

/* ================================================================== Animações e revelação */
@layer utilities {
  @keyframes fade-up { from { opacity: 0; translate: 0 12px; } }
  /* Revelação no scroll sem JS (scroll-driven animations), com fallback visível */
  @supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
      .reveal { animation: reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 60%; }
      @keyframes reveal { from { opacity: 0; translate: 0 28px; } }
    }
  }
  .visually-hidden { position: absolute !important; inline-size: 1px; block-size: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .muted { color: var(--muted); }
  .accent { color: var(--accent); }
  .mt-0 { margin-block-start: 0 !important; }
  .mt-6 { margin-block-start: var(--s-6); }
  .tabular { font-variant-numeric: tabular-nums; }
  /* Destaque sublinhado âmbar em títulos */
  .hl { background: linear-gradient(transparent 62%, color-mix(in oklab, var(--accent) 45%, transparent) 62% 92%, transparent 92%); padding-inline: .05em; }
}

/* Theme switch: revelação circular via View Transitions API */
::view-transition-old(root), ::view-transition-new(root) { mix-blend-mode: normal; }
:root.theme-anim .site-header { view-transition-name: none; }
:root.theme-anim::view-transition-old(root) { animation: none; }
:root.theme-anim::view-transition-new(root) { animation: theme-reveal 620ms var(--ease-out); }
@keyframes theme-reveal { from { clip-path: circle(0 at var(--tx, 50%) var(--ty, 0%)); } to { clip-path: circle(150vmax at var(--tx, 50%) var(--ty, 0%)); } }

@media print {
  .site-header, .site-footer, .mnav, .cta-band, .ad-slot { display: none !important; }
  body { background: #fff; color: #000; }
}