/* Planitia — componentes reutilizáveis (header, footer, botões, cards, formulários, ticker, placeholder) */

/* ============ Botões ============ */
.btn {
  --btn-h: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: var(--btn-h);
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: var(--fs-small);
  font-weight: 400;
  line-height: 1;
  white-space: nowrap;
  transition: background-color 0.25s var(--ease-studio), color 0.25s var(--ease-studio), border-color 0.25s var(--ease-studio);
}
.btn .icon { transition: transform 0.3s var(--ease-studio); }
.btn:hover .icon { transform: translateX(3px); }
.btn--sm { --btn-h: 36px; padding: 0 16px; }
.btn--lg { --btn-h: 52px; padding: 0 28px; font-size: 1rem; }
.btn--block { width: 100%; }
/*
 * Botão especular: vidro escuro com a borda iluminada pelo cursor (assets/js/specular-button.js).
 * A luz é um canvas WebGL por trás do texto; --btn-light é a cor da luz, --btn-rim o fio em repouso.
 * Sem JS/WebGL2 o fio cai para a borda CSS abaixo.
 */
.btn {
  --btn-light: var(--mint);
  --btn-rim: var(--ink-600);
  position: relative;
  isolation: isolate;
  color: var(--foreground);
  border-color: var(--btn-rim);
  box-shadow: 0 10px 24px -14px rgb(0 0 0 / 0.6);
  transition: background-color 0.25s var(--ease-studio), transform 0.25s var(--ease-studio);
}
.btn:active { transform: scale(0.97); }
.btn:focus-visible { outline: 2px solid color-mix(in oklab, var(--mint) 70%, transparent); outline-offset: 3px; }
/* Ação principal: preto cheio. Secundária: vidro quase transparente. */
.btn--primary { background: var(--ink-950); }
.btn--primary:hover { background: color-mix(in oklab, var(--mint) 8%, var(--ink-950)); }
.btn--outline { background: var(--surface-glass); }
.btn--outline:hover { background: color-mix(in oklab, var(--mint) 7%, var(--surface-glass)); }
/* Com a luz ativa o canvas desenha o fio; a borda CSS some para não duplicar */
.btn--specular { border-color: transparent; }
.btn__light {
  position: absolute;
  inset: -24px;
  z-index: -1;
  width: calc(100% + 48px);
  height: calc(100% + 48px);
  pointer-events: none;
}
.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; pointer-events: none; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 999px;
  background: var(--surface-glass);
  border: 1px solid var(--line);
  transition: background-color 0.25s var(--ease-studio), border-color 0.25s var(--ease-studio);
}
.icon-btn:hover { background: color-mix(in oklab, var(--foreground) 10%, transparent); border-color: var(--line-strong); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 0.25s var(--ease-studio), color 0.25s var(--ease-studio);
}
.link-arrow .icon { transition: transform 0.3s var(--ease-studio); }
.link-arrow:hover { border-color: var(--signal); color: var(--signal); }
.link-arrow:hover .icon { transform: translateX(4px); }

/* ============ Pílulas (rótulos em frase normal) ============ */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8125rem;
  line-height: 1.2;
  background: var(--surface-glass);
  border: 1px solid var(--line);
}
.pill--signal {
  background: var(--accent);
  border-color: color-mix(in oklab, var(--signal) 45%, transparent);
  color: var(--signal);
}
.pill__dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ============ Header ============ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--header-h);
  /* Fundo sólido em todas as páginas: leitura firme sobre qualquer conteúdo */
  background: var(--background);
  border-bottom: 1px solid var(--line);
}
.site-header__bar {
  height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--s-4);
}
.brand { display: inline-flex; align-items: center; justify-self: start; }
.brand img { height: 30px; width: auto; }
.nav-pill {
  display: flex; gap: 2px; padding: 4px;
  border-radius: 999px;
  background: var(--surface-glass);
  border: 1px solid var(--line);
}
.nav-pill a {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: var(--fs-small);
  color: var(--text-soft);
  transition: background-color 0.25s var(--ease-studio), color 0.25s var(--ease-studio);
}
.nav-pill a:hover { color: var(--foreground); }
.nav-pill a[aria-current="page"] { background: color-mix(in oklab, var(--foreground) 10%, transparent); color: var(--foreground); }
.site-header__actions { display: flex; align-items: center; gap: var(--s-3); justify-self: end; }
.menu-toggle { display: none; }

/* Seletor de idioma */
.lang-switch {
  display: inline-flex; padding: 3px; gap: 2px;
  border-radius: 999px;
  background: var(--surface-glass);
  border: 1px solid var(--line);
}
.lang-switch .flag { width: 18px; height: 12.6px; border-radius: 2px; flex: none; box-shadow: 0 0 0 1px rgb(0 0 0 / 0.25); }
.lang-switch button {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  min-width: 40px; height: 30px; padding: 0 10px;
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--text-soft);
  transition: background-color 0.25s var(--ease-studio), color 0.25s var(--ease-studio);
}
.lang-switch button:hover { color: var(--foreground); }
.lang-switch button[aria-pressed="true"] { background: var(--primary); color: var(--primary-foreground); }

.back-link { display: inline-flex; align-items: center; gap: 10px; font-size: var(--fs-small); color: var(--text-soft); justify-self: end; }
.back-link:hover { color: var(--foreground); }
.site-header--checkout .site-header__bar { grid-template-columns: 1fr auto; }
.site-header--checkout .site-header__actions { gap: var(--s-5); }

.mobile-menu {
  position: absolute; inset: var(--header-h) 0 auto 0;
  padding: var(--s-5) var(--gutter) var(--s-6);
  background: var(--background);
  border-bottom: 1px solid var(--line);
  display: grid; gap: var(--s-5);
}
.mobile-menu nav { display: grid; }
.mobile-menu nav a {
  padding: 16px 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-heading); font-size: var(--fs-h3); font-weight: 300; letter-spacing: -0.02em;
}

@media (max-width: 960px) {
  .site-header__bar { grid-template-columns: 1fr auto; }
  .nav-pill, .site-header__cta { display: none; }
  .menu-toggle { display: inline-grid; }
  .brand img { height: 26px; }
}

/* ============ Footer ============ */
.site-footer { border-top: 1px solid var(--line); padding-block: var(--s-9) var(--s-6); }
.site-footer__cta { display: grid; gap: var(--s-5); justify-items: start; padding-bottom: var(--s-9); }
.site-footer__cta h2 { font-size: var(--fs-h1); line-height: 1.02; max-width: 16ch; }
.site-footer__cols {
  display: grid; gap: var(--s-7) var(--col-gap);
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  padding-block: var(--s-7);
  border-top: 1px solid var(--line);
}
.site-footer__brand img { height: 30px; width: auto; margin-bottom: var(--s-4); }
.site-footer__brand p { max-width: 34ch; color: var(--muted-foreground); }
.site-footer h3 { font-family: var(--font-sans); font-size: var(--fs-small); font-weight: 400; letter-spacing: 0; color: var(--muted-foreground); margin-bottom: var(--s-4); }
.site-footer li + li { margin-top: var(--s-2); }
.site-footer li a { transition: color 0.2s; }
.site-footer li a:hover { color: var(--signal); }
.site-footer__legal {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-3) var(--s-6);
  padding-top: var(--s-5); border-top: 1px solid var(--line);
  font-size: var(--fs-small); color: var(--muted-foreground);
}
.site-footer__legal ul { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); }
.site-footer__legal li + li { margin-top: 0; }
.site-footer--checkout { padding-block: var(--s-6); }
@media (max-width: 900px) {
  .site-footer__cols { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .site-footer__cols { grid-template-columns: 1fr; }
}

/* ============ Placeholder de imagem ============ */
.ph {
  position: relative;
  display: grid; place-items: end start;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-squircle);
  corner-shape: squircle;
}
.ph::before { content: ""; position: absolute; inset: 0; opacity: 0.55; background-image: radial-gradient(color-mix(in oklab, var(--foreground) 22%, transparent) 1px, transparent 1.2px); background-size: 14px 14px; }
.ph--deep { background: color-mix(in oklab, var(--brand-800) 45%, var(--card)); border-color: color-mix(in oklab, var(--foreground) 14%, transparent); }
.ph__label {
  position: relative;
  margin: var(--s-4);
  padding: 4px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--background) 70%, transparent);
  font-size: 0.75rem;
  color: var(--text-soft);
}

/* ============ Card de projeto ============ */
.project-card { display: grid; gap: var(--s-4); }
.project-card__media { transition: border-color 0.3s var(--ease-studio); }
.project-card:hover .project-card__media { border-color: var(--line-strong); }
.project-card__meta { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: var(--s-1) var(--s-4); }
.project-card__name { white-space: nowrap; }
.project-card__name { font-size: var(--fs-h3); line-height: 1.2; letter-spacing: -0.02em; display: inline-flex; align-items: center; gap: 10px; }
.project-card__name .icon { opacity: 0; transform: translate(-6px, 6px); transition: opacity 0.3s var(--ease-studio), transform 0.3s var(--ease-studio); color: var(--signal); }
.project-card:hover .project-card__name .icon,
.project-card:focus-visible .project-card__name .icon { opacity: 1; transform: none; }
.project-card__info { display: flex; gap: var(--s-3); font-size: var(--fs-small); color: var(--muted-foreground); white-space: nowrap; }
.project-card__info span + span::before { content: "·"; margin-right: var(--s-3); }

/* ============ Ticker ============ */
.ticker {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line);
  padding-block: var(--s-6);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.ticker__track { display: flex; width: max-content; animation: ticker 70s linear infinite; }
.ticker:hover .ticker__track,
.ticker:focus .ticker__track,
.ticker:focus-within .ticker__track { animation-play-state: paused; }
.ticker__group { display: flex; flex: none; }
.ticker__logo {
  display: inline-flex; align-items: center; gap: 12px;
  padding-inline: clamp(28px, 4vw, 64px);
  font-family: var(--font-heading); font-size: 1.375rem; font-weight: 300; letter-spacing: -0.02em;
  color: var(--text-dim);
  white-space: nowrap;
}
.ticker__mark { width: 26px; height: 26px; border: 1px solid var(--line-strong); border-radius: 8px; corner-shape: squircle; }
@keyframes ticker { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .ticker { overflow-x: auto; mask-image: none; scrollbar-width: thin; }
  .ticker__track { animation: none; }
  .ticker__group[aria-hidden="true"] { display: none; }
}

/* ============ Formulários ============ */
.field { display: grid; gap: var(--s-2); }
.field label, .field__label { font-size: var(--fs-small); color: var(--text-soft); }
.field__opt { color: var(--muted-foreground); margin-left: 6px; }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field select, .field textarea {
  width: 100%; min-height: 52px; padding: 0 var(--s-4);
  background: var(--secondary);
  border: 1px solid var(--input);
  border-radius: var(--radius-lg);
  corner-shape: squircle;
  font-size: 1rem;
  transition: border-color 0.2s var(--ease-studio), background-color 0.2s var(--ease-studio);
}
.field input::placeholder { color: var(--ink-400); }
.field input:hover { border-color: var(--ink-500); }
.field input:focus-visible { outline: 2px solid var(--ring); outline-offset: 1px; border-color: var(--ring); border-radius: var(--radius-lg); }
.field input[aria-invalid="true"] { border-color: var(--destructive); }
.field__help { font-size: var(--fs-small); color: var(--muted-foreground); }
.field__error { display: flex; gap: 8px; align-items: flex-start; font-size: var(--fs-small); color: var(--destructive); }
.field__error .icon { margin-top: 2px; }

.check { display: grid; grid-template-columns: 24px 1fr; gap: var(--s-3); align-items: start; cursor: pointer; }
.check input { position: absolute; opacity: 0; width: 24px; height: 24px; margin: 0; }
.check__box {
  display: grid; place-items: center; width: 24px; height: 24px;
  border: 1px solid var(--ink-500); border-radius: 8px; corner-shape: squircle;
  background: var(--secondary); color: transparent;
  transition: background-color 0.2s, border-color 0.2s;
}
.check input:checked + .check__box { background: var(--signal); border-color: var(--signal); color: var(--signal-foreground); }
.check input:focus-visible + .check__box { outline: 2px solid var(--ring); outline-offset: 3px; }
.check input[aria-invalid="true"] + .check__box { border-color: var(--destructive); }
.check a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line-strong); }
.check a:hover { color: var(--signal); }

/* ============ Alertas ============ */
.alert {
  display: grid; grid-template-columns: auto 1fr; gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  border-radius: var(--radius-squircle-sm);
  corner-shape: squircle;
  border: 1px solid var(--line-strong);
  background: var(--surface-glass);
}
.alert--error { border-color: color-mix(in oklab, var(--destructive) 55%, transparent); background: color-mix(in oklab, var(--destructive) 9%, transparent); }
.alert--error > .icon { color: var(--destructive); margin-top: 2px; }
.alert--success { border-color: color-mix(in oklab, var(--signal) 45%, transparent); background: var(--accent); }
.alert--success > .icon { color: var(--signal); margin-top: 2px; }
.alert__title { font-weight: 400; }
.alert p + p, .alert__body { color: var(--text-soft); font-size: var(--fs-small); margin-top: 2px; }

/* ---- Assinatura "by Bruce Camilo" ao lado do logo (Geist Light itálico) ---- */
.brand { gap: var(--s-3); }