/* ---------------------------------------------------------------------------
   Restau360 · componentes — nav, botões, chips, cards, acordeão, rodapé
   --------------------------------------------------------------------------- */

/* ---- marca ---------------------------------------------------------------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  font-stretch: 104%;
  letter-spacing: -0.035em;
  color: var(--text-strong);
  text-decoration: none;
}
.on-ink .brand, .site-header.is-inverse .brand { color: var(--text-on-ink); }
.brand__mark { width: 1.75rem; height: 1.75rem; flex: none; }
.brand__360 { color: var(--brand-deep); }
.on-ink .brand__360, .site-header.is-inverse .brand__360 { color: var(--brand-bright); }

/* ---- cabeçalho ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid transparent;
  transition: border-color var(--duration-normal) ease,
    background var(--duration-normal) ease, box-shadow var(--duration-normal) ease;
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 20px oklch(20% 0.02 250 / 0.06);
}
.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: 4.5rem;
}
.site-nav { display: none; margin-inline-start: auto; }
.site-nav ul { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2rem); }
.site-nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  position: relative;
  padding-block: 0.4rem;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--brand);
  transition: right var(--duration-normal) var(--ease-out-expo);
}
.site-nav a:hover { color: var(--text-strong); }
.site-nav a:hover::after { right: 0; }
.site-header__actions { display: flex; align-items: center; gap: 0.75rem; margin-inline-start: auto; }
@media (min-width: 62rem) {
  .site-nav { display: block; }
  .site-header__actions { margin-inline-start: 0; }
}

@media (max-width: 30rem) {
  .site-header__inner { gap: 0.75rem; }
  .site-header__actions { gap: 0.5rem; }
  .site-header__actions .btn { padding: 0.5rem 0.85rem; font-size: 0.82rem; }
  .site-header__actions .btn .btn__arrow { display: none; }
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.5rem;
  padding: 0 0.65rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 1.5px;
  background: var(--text-strong);
  transition: transform var(--duration-normal) var(--ease-out-expo),
    opacity var(--duration-fast) ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
@media (min-width: 62rem) { .nav-toggle { display: none; } }

.mobile-nav {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-normal) var(--ease-out-expo);
  border-top: 1px solid transparent;
  background: var(--paper);
}
.mobile-nav[data-open="true"] { grid-template-rows: 1fr; border-top-color: var(--line); }
.mobile-nav > div { overflow: hidden; }
.mobile-nav ul { padding: 0.5rem 0 1.5rem; }
.mobile-nav .btn { width: 100%; margin-top: 1.25rem; }
.mobile-nav a {
  display: block;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-strong);
  text-decoration: none;
}
@media (min-width: 62rem) { .mobile-nav { display: none; } }

/* ---- botões ----------------------------------------------------------------
   Borda viva: um brilho gira na borda (conic-gradient no border-box) e abre
   quando o mouse chega. Fica parado por padrão — só o CTA visível na tela e o
   botão sob o cursor animam, para não torrar bateria com 17 botões girando.
   --------------------------------------------------------------------------- */
@property --btn-angulo {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}
@property --btn-faixa {
  syntax: "<percentage>";
  initial-value: 14%;
  inherits: false;
}
@property --btn-brilho {
  syntax: "<color>";
  initial-value: transparent;
  inherits: false;
}
@property --btn-brilho-forte {
  syntax: "<color>";
  initial-value: transparent;
  inherits: false;
}

.btn {
  --btn-fundo: var(--paper-raised);
  --btn-borda: transparent;          /* o aro em repouso */
  --btn-realce: var(--brand);        /* a faixa que corre quando acende */
  --btn-realce-forte: oklch(98% 0.03 166);
  --btn-brilho: var(--btn-borda);    /* antes do js acender */
  --btn-brilho-forte: var(--btn-borda);

  position: relative;
  isolation: isolate;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.4rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  font-stretch: 100%;
  letter-spacing: -0.012em;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  background:
    linear-gradient(var(--btn-fundo), var(--btn-fundo)) padding-box,
    conic-gradient(
      from var(--btn-angulo),
      var(--btn-borda),
      var(--btn-brilho) var(--btn-faixa),
      var(--btn-brilho-forte) calc(var(--btn-faixa) * 2),
      var(--btn-brilho) calc(var(--btn-faixa) * 3),
      var(--btn-borda) calc(var(--btn-faixa) * 4)
    ) border-box;
  animation: btn-girar 4s linear infinite;
  animation-play-state: paused;      /* ligado por hover/foco ou por js/brilho.js */
  transition: transform var(--duration-fast) var(--ease-spring),
    box-shadow var(--duration-fast) ease, color var(--duration-fast) ease,
    --btn-faixa 700ms cubic-bezier(0.25, 1, 0.5, 1),
    --btn-brilho 500ms ease, --btn-brilho-forte 500ms ease,
    --btn-fundo var(--duration-fast) ease;
}
@keyframes btn-girar { to { --btn-angulo: 360deg; } }

/* poeira luminosa dentro do botão — só se vê de perto */
.btn::before {
  content: "";
  position: absolute;
  inset: 1px;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(circle at 2px 2px, oklch(100% 0 0 / 0.55) 0.5px, transparent 0) padding-box;
  background-size: 4px 4px;
  mask-image: conic-gradient(from calc(var(--btn-angulo) + 45deg), #000, transparent 12% 88%, #000);
  opacity: 0;
  transition: opacity var(--duration-normal) ease;
}
/* varredura interna, que sobe do fundo do botão */
.btn::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  z-index: -1;
  width: 100%;
  aspect-ratio: 1;
  background: linear-gradient(-50deg, transparent, var(--btn-realce), transparent);
  mask-image: radial-gradient(circle at bottom, transparent 42%, #000);
  opacity: 0;
  transition: opacity var(--duration-normal) ease;
  animation: btn-varrer 4.5s linear infinite;
  animation-play-state: inherit;
}
@keyframes btn-varrer { to { rotate: 360deg; } }

/* …e acende no hover, no foco ou quando é o CTA que está na tela */
.btn:is(:hover, :focus-visible, .is-vivo) {
  animation-play-state: running;
  --btn-brilho: var(--btn-realce);
  --btn-brilho-forte: var(--btn-realce-forte);
}
.btn:is(:hover, :focus-visible) { --btn-faixa: 24%; }
.btn:is(:hover, :focus-visible)::before { opacity: 0.32; }
.btn:is(:hover, :focus-visible)::after { opacity: 0.38; }
/* no botão claro a varredura entra bem mais discreta */
.btn--ghost:is(:hover, :focus-visible)::after { opacity: 0.1; }
.btn--ghost:is(:hover, :focus-visible)::before { opacity: 0; }
.btn.is-vivo::before { opacity: 0.18; }
.btn.is-vivo::after { opacity: 0.22; }
.btn--ghost.is-vivo::after { opacity: 0.06; }

/* o CTA principal respira: um halo que cresce e volta */
.btn--primary.is-vivo {
  animation: btn-girar 4s linear infinite, btn-respirar 4.5s ease-in-out infinite;
}
@keyframes btn-respirar {
  0%, 100% { box-shadow: 0 1px 2px oklch(30% 0.06 166 / 0.4), 0 10px 24px oklch(48% 0.12 166 / 0.28); }
  50% { box-shadow: 0 1px 2px oklch(30% 0.06 166 / 0.45), 0 14px 34px oklch(60% 0.135 166 / 0.45); }
}

.btn:active { transform: translateY(1px) scale(0.99); }
.btn__arrow { transition: transform var(--duration-normal) var(--ease-out-expo); }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--primary {
  --btn-fundo: var(--brand-deep);
  --btn-realce: oklch(92% 0.12 166);
  --btn-realce-forte: oklch(100% 0 0);   /* o miolo da faixa é branco puro */
  color: oklch(99% 0.01 166);
  box-shadow: 0 1px 2px oklch(30% 0.06 166 / 0.4), 0 10px 24px oklch(48% 0.12 166 / 0.28);
}
.btn--primary:hover {
  --btn-fundo: oklch(43% 0.115 166);
  box-shadow: 0 1px 2px oklch(30% 0.06 166 / 0.45), 0 16px 34px oklch(48% 0.12 166 / 0.34);
}

.btn--ghost {
  --btn-fundo: color-mix(in oklab, var(--paper-raised) 70%, transparent);
  --btn-borda: var(--line-strong);
  --btn-realce: var(--brand);
  --btn-realce-forte: var(--brand-deep);
  color: var(--text-strong);
}
.btn--ghost:hover { --btn-fundo: var(--paper-raised); }
.on-ink .btn--ghost, .btn--ghost.on-dark {
  --btn-fundo: oklch(16% 0.015 250 / 0.001);
  --btn-borda: var(--line-on-ink);
  --btn-realce: var(--brand-bright);
  --btn-realce-forte: oklch(96% 0.05 166);
  color: var(--text-on-ink);
}
.on-ink .btn--ghost:hover, .btn--ghost.on-dark:hover { --btn-fundo: oklch(100% 0 0 / 0.06); }

.btn--sm { padding: 0.6rem 1.05rem; font-size: 0.875rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.85rem; }

/* quem pediu menos movimento não vê nada girando */
@media (prefers-reduced-motion: reduce) {
  .btn, .btn::after { animation: none; }
  .btn::before, .btn::after { opacity: 0 !important; }
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--brand-deep);
  text-decoration: none;
}
.link-arrow span { transition: transform var(--duration-normal) var(--ease-out-expo); }
.link-arrow:hover span { transform: translateX(4px); }

/* ---- chips e etiquetas ---------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--paper-raised);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
}
.on-ink .chip {
  border-color: var(--line-on-ink);
  background: oklch(100% 0 0 / 0.04);
  color: var(--text-on-ink-muted);
}

.badge {
  display: inline-flex;
  white-space: nowrap;
  align-items: center;
  gap: 0.4rem;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 600;
  font-stretch: 88%;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.badge--live { background: var(--brand-wash); color: var(--brand-deep); }
.badge--wip { background: oklch(94% 0.045 58); color: var(--ember-deep); }
.badge--next { background: var(--paper-sunken); color: var(--text-muted); }
.on-ink .badge--live { background: oklch(60% 0.135 166 / 0.18); color: var(--brand-bright); }
.on-ink .badge--wip { background: oklch(72% 0.16 58 / 0.16); color: var(--ember); }
.on-ink .badge--next { background: oklch(100% 0 0 / 0.07); color: var(--text-on-ink-muted); }

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  flex: none;
  background: var(--brand);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand) 22%, transparent);
}
.dot--ember { background: var(--ember); box-shadow: 0 0 0 3px oklch(72% 0.16 58 / 0.22); }
.dot--alert { background: var(--alert); box-shadow: 0 0 0 3px oklch(57% 0.2 25 / 0.22); }
.dot--pulse { animation: pulse 2.4s var(--ease-out-expo) infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px color-mix(in oklab, var(--brand) 22%, transparent); }
  50% { box-shadow: 0 0 0 7px color-mix(in oklab, var(--brand) 6%, transparent); }
}

/* ---- cards ---------------------------------------------------------------- */
.card {
  position: relative;
  padding: clamp(1.4rem, 1rem + 1vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--paper-raised);
  transition: transform var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo),
    border-color var(--duration-normal) ease;
}
.card h3 { margin-bottom: 0.6rem; }
.card p { color: var(--text-muted); font-size: 0.95rem; }
.card--link:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-md);
}
.on-ink .card {
  border-color: var(--line-on-ink);
  background: oklch(100% 0 0 / 0.035);
}
.on-ink .card p { color: var(--text-on-ink-muted); }
.on-ink .card--link:hover { background: oklch(100% 0 0 / 0.06); border-color: oklch(100% 0 0 / 0.22); }

.card__icon {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  margin-bottom: 1.1rem;
  border-radius: var(--radius-sm);
  background: var(--brand-wash);
  color: var(--brand-deep);
}
.on-ink .card__icon { background: oklch(60% 0.135 166 / 0.16); color: var(--brand-bright); }
.card__icon svg { width: 1.25rem; height: 1.25rem; }

/* ---- lista de checagem ---------------------------------------------------- */
.checks { display: grid; gap: 0.65rem; margin-top: 1.4rem; }
.checks li {
  display: grid;
  grid-template-columns: 1.15rem 1fr;
  gap: 0.7rem;
  align-items: start;
  font-size: 0.95rem;
  color: var(--text);
}
.on-ink .checks li { color: var(--text-on-ink-muted); }
.checks svg { width: 1.15rem; height: 1.15rem; margin-top: 0.25rem; color: var(--brand); flex: none; }

/* ---- acordeão ------------------------------------------------------------- */
.accordion { border-top: 1px solid var(--line); }
.accordion__item { border-bottom: 1px solid var(--line); }
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.35rem 0;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.15rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-strong);
  transition: color var(--duration-fast) ease;
}
.accordion__trigger:hover { color: var(--brand-deep); }
.accordion__icon {
  position: relative;
  width: 1.6rem;
  height: 1.6rem;
  flex: none;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: background var(--duration-fast) ease, border-color var(--duration-fast) ease;
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  inset: 50% 25%;
  height: 1.5px;
  background: currentColor;
  transform: translateY(-50%);
  transition: transform var(--duration-normal) var(--ease-out-expo), opacity var(--duration-fast) ease;
}
.accordion__icon::after { transform: translateY(-50%) rotate(90deg); }
.accordion__trigger[aria-expanded="true"] .accordion__icon { background: var(--brand-wash); border-color: var(--brand); }
.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translateY(-50%) rotate(0deg); opacity: 0; }
.accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-normal) var(--ease-out-expo);
}
.accordion__panel[data-open="true"] { grid-template-rows: 1fr; }
.accordion__panel > div { overflow: hidden; }
.accordion__panel p {
  max-width: 52rem;
  padding-bottom: 1.5rem;
  color: var(--text-muted);
}

/* ---- rodapé --------------------------------------------------------------- */
.site-footer { background: var(--ink-900); color: var(--text-on-ink-muted); padding-block: clamp(3rem, 2rem + 4vw, 5rem) 2.5rem; }
.site-footer a { text-decoration: none; color: var(--text-on-ink-muted); }
.site-footer a:hover { color: var(--text-on-ink); }
.footer-grid {
  display: grid;
  gap: 2.5rem;
  grid-template-columns: 1fr;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line-on-ink);
}
@media (min-width: 48rem) { .footer-grid { grid-template-columns: 1.5fr repeat(3, 1fr); gap: 3rem; } }
.footer-grid h4 {
  font-size: 0.72rem;
  font-stretch: 84%;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-on-ink-muted);
  margin-bottom: 1rem;
}
.footer-grid li + li { margin-top: 0.6rem; }
.footer-grid li { font-size: 0.92rem; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  justify-content: space-between;
  padding-top: 1.75rem;
  font-size: 0.82rem;
  color: color-mix(in oklab, var(--text-on-ink-muted) 78%, transparent);
}

/* ---- seletor de idioma ----------------------------------------------------- */
.lang {
  display: none;
  align-items: center;
  gap: 0.15rem;
  padding: 0.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--paper-raised);
}
.lang a {
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-muted);
  text-decoration: none;
  transition: background var(--duration-fast) ease, color var(--duration-fast) ease;
}
.lang a:hover { color: var(--text-strong); background: var(--paper-sunken); }
.lang a[aria-current="page"] { background: var(--ink-900); color: var(--text-on-ink); }
@media (min-width: 48rem) { .lang { display: inline-flex; } }

.lang--mobile {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.25rem;
  padding: 0;
  border: 0;
  background: none;
}
.lang--mobile a {
  border: 1px solid var(--line);
  padding: 0.5rem 0.85rem;
  font-size: 0.85rem;
}
@media (min-width: 48rem) { .lang--mobile { display: none; } }

.lang--footer {
  display: block;
  padding: 0;
  border: 0;
  background: none;
}
.lang--footer a {
  padding: 0;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.92rem;
  color: var(--text-on-ink-muted);
}
.lang--footer a:hover { background: none; color: var(--text-on-ink); }
.lang--footer a[aria-current="page"] { background: none; color: var(--brand-bright); font-weight: 600; }

/* ---- troca de letras (menu e botões) --------------------------------------- */
.letras {
  display: inline-block;   /* um item só dentro do flex do botão */
  white-space: nowrap;
}
.troca {
  display: inline-block;
  position: relative;
  overflow: hidden;        /* a caixa corta; quem se move é o filho */
  vertical-align: bottom;
}
.troca__m {
  display: block;
  position: relative;
  transition: transform 400ms var(--ease-out-expo);
  transition-delay: var(--atraso, 0ms);
}
/* a cópia vem do CSS: não entra no texto do elemento */
.troca__m::after {
  content: attr(data-c);
  position: absolute;
  left: 0;
  top: 100%;
}
.site-nav a:hover .troca__m,
.site-nav a:focus-visible .troca__m,
.btn:hover .troca__m,
.btn:focus-visible .troca__m { transform: translateY(-100%); }

@media (prefers-reduced-motion: reduce) {
  .troca__m { transition: none; }
}