/* ==========================================================================
   SITE PROTEGIDO — Reset, base tipográfica e utilitários de layout
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  min-height: 100%;
  /* leve variação vertical: evita o preto chapado de template */
  background: var(--bg-void)
    linear-gradient(
      180deg,
      #070707 0%,
      var(--bg-void) 26%,
      #070708 62%,
      var(--bg-void) 100%
    )
    no-repeat;
  color: var(--text-1);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img,
svg,
video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

/* --- Foco visível consistente ------------------------------------------- */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

/* --- Tipografia ---------------------------------------------------------- */
h1,
h2,
h3,
h4 {
  font-weight: 800;
  line-height: var(--lh-snug);
  letter-spacing: var(--tr-head);
  color: var(--text);
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  letter-spacing: var(--tr-display);
}

h2 {
  font-size: var(--fs-h2);
  line-height: 1.04;
}

h3 {
  font-size: var(--fs-h3);
  font-weight: 700;
}

h4 {
  font-size: var(--fs-h4);
  font-weight: 700;
  letter-spacing: -0.01em;
}

p {
  text-wrap: pretty;
}

strong {
  font-weight: 700;
  color: var(--text);
}

/* --- Utilitários --------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  position: relative;
  padding-block: var(--section-y);
}

.section--tight {
  padding-block: clamp(56px, 6vw, 96px);
}

.lead {
  font-size: var(--fs-lead);
  color: var(--text-2);
  line-height: 1.66;
  max-width: 58ch;
}

.muted {
  color: var(--text-2);
}

.accent {
  color: var(--accent);
}

.nowrap {
  white-space: nowrap;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: 8px;
  transform: translate(-50%, -180%);
  z-index: 200;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: var(--fs-sm);
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  transition: transform var(--t-base) var(--ease);
}

.skip-link:focus-visible {
  transform: translate(-50%, 0);
}

/* --- Grão de filme: textura sutil sobre tudo ------------------------------- */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  opacity: 0.055;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

/* --- Costura entre seções: transição suave, sem corte seco ----------------- */
.seam {
  position: relative;
  background: var(--zone-bg);
  height: clamp(60px, 7vw, 110px);
  pointer-events: none;
}

.seam::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(1180px, 92vw);
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--line-soft) 22%,
    var(--line) 50%,
    var(--line-soft) 78%,
    transparent
  );
}

.seam::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(520px, 70vw);
  height: 130px;
  background: radial-gradient(
    ellipse at center,
    rgba(253, 193, 1, 0.055),
    transparent 68%
  );
}

.seam--plain::after {
  display: none;
}

/* --- Ritmo / divisores ---------------------------------------------------- */
.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(
    90deg,
    transparent,
    var(--line) 18%,
    var(--line) 82%,
    transparent
  );
}

/* --- Revelação no scroll -------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
  transition: opacity 0.9s var(--ease-out), transform 1s var(--ease-out),
    filter 0.9s var(--ease-out);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Depois de aparecer, libera a GPU e permite hover sem conflito */
.reveal.is-settled {
  will-change: auto;
  transition-delay: 0ms;
}

/* Títulos: sobem e ganham foco.
   NÃO usar clip-path aqui: ele zera a área do elemento e o
   IntersectionObserver deixa de considerá-lo na tela — o título nunca
   aparece. Desfoque e deslocamento não mexem na geometria. */
.reveal--clip {
  transform: translate3d(0, 30px, 0);
  filter: blur(9px);
  transition: transform 1.05s var(--ease-out), filter 0.85s var(--ease-out),
    opacity 0.75s var(--ease-out);
  transition-delay: var(--d, 0ms);
}

.reveal--clip.is-visible {
  transform: none;
  filter: blur(0);
}

/* Cartões e superfícies: entram com um leve avanço de profundidade */
.reveal--pop {
  transform: translate3d(0, 22px, 0) scale(0.985);
  transform-origin: 50% 100%;
}

.reveal--pop.is-visible {
  transform: none;
}

/* Conteúdo das lâminas de faixa sobe junto com a troca de cor */
.zone-open > .container {
  transform: translate3d(0, 26px, 0);
  opacity: 0;
  transition: transform 1s var(--ease-out) 0.1s, opacity 0.9s var(--ease-out) 0.1s;
}

.zone-open.is-lit > .container {
  transform: none;
  opacity: 1;
}

/* Barra de progresso da leitura — fio âmbar sob o header */
.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 120;
  pointer-events: none;
  transform-origin: 0 50%;
  transform: scaleX(0);
  background: linear-gradient(90deg, var(--accent-lo), var(--accent), var(--accent-hi));
  opacity: 0;
  transition: opacity var(--t-base) var(--ease);
}

.progress.is-on {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .reveal--clip,
  .reveal--pop,
  .zone-open > .container {
    transform: none;
    filter: none;
    opacity: 1;
  }

  .progress {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}