/* ============================================================
   OHOLO HUB — SISTEMA DE MOVIMENTO
   ------------------------------------------------------------
   Primitivas de animação, header reactivo e barra de secções.
   Sem dependências externas — tudo compositado em transform e
   opacity, e desligado por inteiro em prefers-reduced-motion.

   COMO USAR
     <div data-anim="up">…</div>            revela ao entrar no ecrã
     <div data-anim="up" data-anim-delay="120">…</div>
     <div data-anim-stagger="70"> filhos revelam em cascata </div>
     <span data-count="19">19</span>        conta até ao valor
     <div data-parallax="-0.12">…</div>     move ao rolar
   ============================================================ */

:root {
  /* Curvas — expo.out e power4.out, as que dão o "peso" certo */
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-power: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-suave: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-rapida: 0.42s;
  --dur-media: 0.72s;
  --dur-longa: 1.05s;
  --nav-altura: 72px;
}

html {
  scroll-padding-top: calc(var(--nav-altura) + 16px);
}

/* ------------------------------------------------------------
   1. PRIMITIVAS DE REVELAÇÃO
   ------------------------------------------------------------ */
[data-anim] {
  will-change: transform, opacity;
  opacity: 0;
  transition:
    opacity var(--dur-media) var(--ease-expo),
    transform var(--dur-media) var(--ease-expo),
    clip-path var(--dur-longa) var(--ease-expo),
    filter var(--dur-media) var(--ease-expo);
  transition-delay: var(--anim-delay, 0ms);
}

[data-anim="up"]    { transform: translate3d(0, 34px, 0); }
[data-anim="down"]  { transform: translate3d(0, -28px, 0); }
[data-anim="left"]  { transform: translate3d(-38px, 0, 0); }
[data-anim="right"] { transform: translate3d(38px, 0, 0); }
[data-anim="scale"] { transform: scale(0.94); }
[data-anim="rise"]  { transform: translate3d(0, 60px, 0) scale(0.985); }
[data-anim="blur"]  { transform: translate3d(0, 20px, 0); filter: blur(9px); }
[data-anim="fade"]  { transform: none; }

/* Revelação por corte — a peça entra por baixo de uma máscara */
[data-anim="clip"] {
  clip-path: inset(0 0 100% 0);
  transform: translate3d(0, 24px, 0);
}

/* Linha que se desenha */
[data-anim="line"] {
  transform: scaleX(0);
  transform-origin: left center;
  opacity: 1;
}

[data-anim].is-in {
  opacity: 1;
  transform: none;
  filter: none;
  clip-path: inset(0 0 0 0);
}

[data-anim="line"].is-in {
  transform: scaleX(1);
}

/* Depois de entrar, liberta o will-change */
[data-anim].is-done {
  will-change: auto;
}

/* ── Título em linhas mascaradas ── */
.linha-mascara {
  display: block;
  overflow: hidden;
  /* espaço para descendentes (g, p, ç) não serem cortados pela máscara */
  padding-bottom: 0.1em;
  margin-bottom: -0.1em;
}

.linha-mascara > span {
  display: block;
  transform: translate3d(0, 105%, 0);
  transition: transform var(--dur-longa) var(--ease-expo);
  transition-delay: var(--anim-delay, 0ms);
}

.linha-mascara.is-in > span {
  transform: none;
}

/* ── Cascata ── */
[data-anim-stagger] > [data-anim] {
  --anim-delay: calc(var(--i, 0) * var(--stagger-passo, 70ms));
}

/* ------------------------------------------------------------
   2. HEADER
   ------------------------------------------------------------ */

/* Páginas cujo hero é escuro: o header flutua por cima dele.
   O hero compensa com padding-top igual a --nav-altura. */
body.tem-hero-escuro .navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
}

.navbar {
  transition:
    transform 0.55s var(--ease-expo),
    background-color 0.4s var(--ease-suave),
    border-color 0.4s var(--ease-suave),
    box-shadow 0.4s var(--ease-suave);
}

.navbar-inner {
  transition: padding 0.4s var(--ease-suave);
}

/* Recolhe ao descer, volta ao subir */
.navbar.is-hidden {
  transform: translate3d(0, -102%, 0);
}

.navbar.is-scrolled {
  background-color: rgba(247, 249, 251, 0.82);
  box-shadow: 0 1px 0 rgba(10, 42, 82, 0.06), 0 10px 34px rgba(10, 42, 82, 0.06);
  border-bottom-color: transparent;
}

.navbar.is-scrolled .navbar-inner {
  padding-top: 10px;
  padding-bottom: 10px;
}

/* ── Modo sobre hero escuro (facim.html) ── */
.navbar.is-over {
  background-color: transparent;
  backdrop-filter: none;
  border-bottom-color: transparent;
  box-shadow: none;
}

.navbar.is-over .navbar-brand,
.navbar.is-over .navbar-links a,
.navbar.is-over .navbar-toggle {
  color: #fff;
}

.navbar.is-over .navbar-links a.active {
  color: var(--color-primary-container);
}

.navbar.is-over .btn-primary {
  background-color: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.32);
  color: #fff;
  backdrop-filter: blur(8px);
}

.navbar.is-over .btn-primary:hover {
  background-color: rgba(255, 255, 255, 0.24);
}

/* ── Wordmark ── */
.navbar-brand {
  letter-spacing: -0.02em;
  transition: color 0.3s var(--ease-suave), opacity 0.3s var(--ease-suave);
}

.navbar-brand:hover {
  opacity: 0.72;
}

/* ── Links com sublinhado que se desenha ── */
.navbar-links a {
  position: relative;
  transition: color 0.28s var(--ease-suave);
}

@media (min-width: 769px) {
  .navbar-links a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -5px;
    height: 1.5px;
    background: currentColor;
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform 0.42s var(--ease-expo);
  }

  .navbar-links a:hover::after,
  .navbar-links a.active::after {
    transform: scaleX(1);
    transform-origin: left center;
  }

  .navbar-links a.active::after {
    background: var(--color-primary);
  }

  .navbar.is-over .navbar-links a.active::after {
    background: var(--color-primary-container);
  }
}

/* ── Fio de progresso da página ── */
.navbar-progresso {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 100%;
  transform: scaleX(var(--progresso, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-container));
  opacity: 0;
  transition: opacity 0.3s var(--ease-suave);
  pointer-events: none;
}

.navbar.is-scrolled .navbar-progresso {
  opacity: 1;
}

/* ── Botões com resposta ao toque ── */
.btn {
  transition:
    background-color 0.25s var(--ease-suave),
    border-color 0.25s var(--ease-suave),
    color 0.25s var(--ease-suave),
    transform 0.32s var(--ease-expo),
    box-shadow 0.32s var(--ease-expo);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
  transition-duration: 0.08s;
}

.btn-primary:hover {
  box-shadow: 0 8px 22px rgba(232, 89, 12, 0.28);
}

/* ── Menu mobile: painel inteiro com entrada em cascata ── */
@media (max-width: 768px) {
  .navbar-links {
    transition:
      max-height 0.5s var(--ease-expo),
      opacity 0.32s var(--ease-suave),
      visibility 0.32s;
  }

  .navbar-links a {
    opacity: 0;
    transform: translateY(-10px);
    transition:
      opacity 0.36s var(--ease-expo),
      transform 0.36s var(--ease-expo);
  }

  .navbar-links.is-open a {
    opacity: 1;
    transform: none;
  }

  .navbar-links.is-open a:nth-child(1) { transition-delay: 0.06s; }
  .navbar-links.is-open a:nth-child(2) { transition-delay: 0.12s; }
  .navbar-links.is-open a:nth-child(3) { transition-delay: 0.18s; }
  .navbar-links.is-open a:nth-child(4) { transition-delay: 0.24s; }

  .navbar-toggle .icon svg path {
    transition: d 0.3s var(--ease-expo);
  }

  .navbar.is-menu-aberto {
    background-color: rgba(247, 249, 251, 0.96);
    backdrop-filter: blur(24px);
  }

  .navbar.is-menu-aberto.is-over .navbar-brand,
  .navbar.is-menu-aberto.is-over .navbar-links a,
  .navbar.is-menu-aberto.is-over .navbar-toggle {
    color: var(--color-on-surface);
  }
}

/* ------------------------------------------------------------
   3. BARRA DE SECÇÕES  (torna a página longa navegável)
   ------------------------------------------------------------ */
.secoes-rail {
  position: fixed;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s var(--ease-expo), visibility 0.5s;
}

.secoes-rail.is-visivel {
  opacity: 1;
  visibility: visible;
}

.secoes-rail a {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 7px 0;
  color: var(--color-on-surface-variant);
}

.secoes-rail-nome {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(8px);
  transition:
    opacity 0.36s var(--ease-expo),
    transform 0.36s var(--ease-expo),
    color 0.3s var(--ease-suave);
}

.secoes-rail:hover .secoes-rail-nome,
.secoes-rail a.is-activa .secoes-rail-nome {
  opacity: 1;
  transform: none;
}

.secoes-rail a.is-activa .secoes-rail-nome {
  color: var(--color-primary);
}

.secoes-rail-traco {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-outline);
  opacity: 0.42;
  transition:
    width 0.42s var(--ease-expo),
    background-color 0.3s var(--ease-suave),
    opacity 0.3s var(--ease-suave);
}

.secoes-rail a:hover .secoes-rail-traco {
  width: 26px;
  opacity: 0.8;
}

.secoes-rail a.is-activa .secoes-rail-traco {
  width: 34px;
  background: var(--color-primary);
  opacity: 1;
}

@media (max-width: 1180px) {
  .secoes-rail { display: none; }
}

/* ── Alternativa no telemóvel: barra flutuante no fundo ──
   Fixa (não sticky) para não ocupar espaço no topo do documento
   nem competir com o header, que nessas páginas flutua. */
.secoes-fita {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  display: none;
  gap: var(--space-sm);
  padding: 10px var(--margin-mobile) calc(10px + env(safe-area-inset-bottom, 0px));
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(247, 249, 251, 0.94);
  backdrop-filter: blur(18px);
  border-top: 1px solid var(--color-outline-variant);
  box-shadow: 0 -6px 24px rgba(10, 42, 82, 0.08);
  transform: translate3d(0, 110%, 0);
  transition: transform 0.5s var(--ease-expo);
}

.secoes-fita::-webkit-scrollbar { display: none; }

.secoes-fita.is-visivel {
  transform: none;
}

@media (max-width: 1180px) {
  .secoes-fita { display: flex; }
}

.secoes-fita a {
  flex-shrink: 0;
  padding: 7px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-outline-variant);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  transition:
    background-color 0.28s var(--ease-suave),
    color 0.28s var(--ease-suave),
    border-color 0.28s var(--ease-suave);
}

.secoes-fita a.is-activa {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ------------------------------------------------------------
   4. DETALHES
   ------------------------------------------------------------ */

/* Números que contam */
[data-count] {
  font-variant-numeric: tabular-nums;
}

/* Pista de rolagem no hero */
.scroll-pista {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--facim-mono, monospace);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.scroll-pista i {
  display: block;
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.6), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-pista i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-primary-container);
  animation: pista-desce 2.4s var(--ease-suave) infinite;
}

@keyframes pista-desce {
  0%   { transform: translateY(-100%); }
  55%  { transform: translateY(100%); }
  100% { transform: translateY(100%); }
}

/* Botão magnético — deslocamento subtil no hover (desktop) */
.magnetico {
  transition: transform 0.42s var(--ease-expo);
}

/* Elementos com parallax */
[data-parallax] {
  will-change: transform;
}

/* ------------------------------------------------------------
   5. QUEM NÃO QUER MOVIMENTO
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  [data-anim],
  [data-anim].is-in,
  .linha-mascara > span {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
    clip-path: none !important;
    transition: none !important;
  }

  .navbar,
  .navbar-inner,
  .btn,
  .secoes-rail,
  .secoes-fita,
  .secoes-rail-traco,
  .secoes-rail-nome {
    transition: none !important;
  }

  .navbar.is-hidden { transform: none !important; }

  .btn:hover { transform: none; }

  .scroll-pista i::after { animation: none; }

  [data-parallax] { transform: none !important; }
}