/* ==========================================================================
   GLOBAL — base, tipografia e utilitários de layout
   ========================================================================== */

html {
  overflow-x: hidden;
}

body {
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--fs-body-md);
  font-weight: 400;
  overflow-x: hidden;
}

/* Textura de fundo sutil: grid + vinheta, fixa no viewport */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 0%, transparent 75%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(ellipse 40% 70% at 0% 50%, rgba(122, 110, 245, 0.28), transparent 70%),
    radial-gradient(ellipse 40% 70% at 100% 50%, rgba(122, 110, 245, 0.28), transparent 70%),
    var(--color-bg);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  line-height: var(--lh-tight);
}

p {
  color: var(--color-text-secondary);
  line-height: var(--lh-normal);
}

strong {
  color: var(--color-text-primary);
  font-weight: 600;
}

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

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---- Layout ---- */

.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

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

.section--tight {
  padding-block: calc(var(--section-pad-y) * 0.65);
}

/* ---- Tipografia utilitária ---- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gradient-accent);
  box-shadow: 0 0 12px var(--color-accent);
}

.section-heading {
  max-width: 720px;
}

.section-heading h2 {
  font-size: var(--fs-display-lg);
  margin-top: var(--space-sm);
}

.section-heading p {
  margin-top: var(--space-md);
  font-size: var(--fs-body-lg);
  max-width: 560px;
}

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Reveal on scroll ---- */

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Fallback: caso o JS não carregue, nada deve ficar invisível */
.no-js [data-reveal] {
  opacity: 1;
  transform: none;
}

/* ---- Preloader: tela de carregamento com contador 0 → 100% ---- */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.6s var(--ease-out), visibility 0s linear 0s;
}

.preloader.is-done {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s var(--ease-out), visibility 0s linear 0.6s;
}

.preloader__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.preloader__brand {
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 0 24px rgba(122, 110, 245, 0.25));
}

.preloader__brand-logo {
  display: block;
  height: clamp(22px, 4vw, 32px);
  width: auto;
}

.preloader__bar {
  width: min(160px, 40vw);
  height: 1px;
  background: var(--color-border);
  overflow: hidden;
}

.preloader__bar-fill {
  display: block;
  width: 0%;
  height: 100%;
  background: var(--gradient-accent);
  box-shadow: 0 0 8px var(--color-accent);
}

.preloader__percent {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-text-tertiary);
}

/* Sem JS: não trava a página escondendo o conteúdo atrás do preloader */
.no-js .preloader {
  display: none;
}