/* ==================================================================
   LAUNCHER 4K — STYLE.CSS
   Tema: Dark Premium (Glassmorphism)
   Paleta: Preto / Cinza escuro / Azul Neon / Roxo / Branco
   ================================================================== */

/* ------------------------------------------------------------------
   1. TOKENS / VARIÁVEIS
------------------------------------------------------------------ */
:root {
  /* Cores base */
  --color-bg: #07070B;
  --color-bg-alt: #0C0C13;
  --color-surface: #12121B;
  --color-surface-glass: rgba(22, 22, 33, 0.55);
  --color-border: rgba(255, 255, 255, 0.08);
  --color-border-strong: rgba(255, 255, 255, 0.16);

  --color-text: #F5F5FA;
  --color-text-muted: #9A9AB0;
  --color-text-faint: #6C6C82;

  /* Acentos */
  --color-neon: #3E8CFF;
  --color-neon-soft: #7AB2FF;
  --color-purple: #8B5CF6;
  --color-purple-soft: #B79CFF;

  --gradient-brand: linear-gradient(135deg, var(--color-neon) 0%, var(--color-purple) 100%);
  --gradient-text: linear-gradient(90deg, var(--color-neon-soft), var(--color-purple-soft));

  /* Tipografia */
  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;

  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 7rem;

  /* Layout */
  --container-w: 1200px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 999px;

  /* Efeitos */
  --shadow-soft: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow-blue: 0 0 40px rgba(62, 140, 255, 0.25);
  --shadow-glow-purple: 0 0 40px rgba(139, 92, 246, 0.25);
  --blur-glass: blur(18px);
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ------------------------------------------------------------------
   2. RESET
------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.15; letter-spacing: -0.01em; }

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

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ------------------------------------------------------------------
   3. LOADER
------------------------------------------------------------------ */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--color-bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.loader.is-hidden { opacity: 0; visibility: hidden; }
.loader__ring {
  position: absolute;
  width: 84px; height: 84px;
  border-radius: 50%;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-neon);
  border-right-color: var(--color-purple);
  animation: spin 1s linear infinite;
}
.loader__logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ------------------------------------------------------------------
   4. BOTÕES
------------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
}
.btn:active { transform: scale(0.97); }
.btn--lg { padding: 1rem 2rem; font-size: 1rem; }
.btn--sm { padding: 0.55rem 1.15rem; font-size: 0.85rem; }

.btn--primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-glow-blue);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(62, 140, 255, 0.4); }

.btn--outline {
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  background: rgba(255,255,255,0.02);
}
.btn--outline:hover { border-color: var(--color-neon-soft); background: rgba(62,140,255,0.08); }

.btn--ghost {
  background: var(--color-surface-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.btn--ghost:hover { border-color: var(--color-border-strong); }

.btn--text { color: var(--color-neon-soft); padding: 0.4rem 0; }
.btn--text:hover { color: var(--color-purple-soft); }

.icon-btn {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--color-surface-glass);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), transform var(--transition);
}
.icon-btn:hover { border-color: var(--color-neon-soft); transform: translateY(-2px); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-neon-soft);
  margin-bottom: var(--space-sm);
}

/* ------------------------------------------------------------------
   5. HEADER
------------------------------------------------------------------ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  padding: 1.1rem 0;
  transition: background var(--transition), padding var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  padding: 0.7rem 0;
  background: rgba(7, 7, 11, 0.75);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border-bottom-color: var(--color-border);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }

.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand__logo-img { height: 38px; width: auto; max-width: 160px; object-fit: contain; }
.brand__mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 11px;
  background: var(--gradient-brand);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
}
.brand__name { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.brand__name em { font-style: normal; color: var(--color-neon-soft); }

.nav__list { display: flex; gap: 2rem; }
.nav__list a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
  position: relative;
}
.nav__list a:hover { color: var(--color-text); }

.header__actions { display: flex; align-items: center; gap: 0.9rem; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
}
.menu-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ------------------------------------------------------------------
   6. HERO
------------------------------------------------------------------ */
.hero {
  position: relative;
  padding: 9rem 0 6rem;
  overflow: hidden;
  min-height: 92vh;
  display: flex;
  align-items: center;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__glow {
  position: absolute;
  width: 560px; height: 560px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}
.hero__glow--blue { background: var(--color-neon); top: -10%; left: -10%; }
.hero__glow--purple { background: var(--color-purple); bottom: -20%; right: -5%; }
.hero__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 30% 20%, black, transparent 70%);
}
.hero__particles { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero__inner {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
}

.hero__title {
  font-size: clamp(2.4rem, 4.6vw, 3.9rem);
  margin-bottom: var(--space-md);
}
.hero__title-gradient {
  display: block;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__desc {
  color: var(--color-text-muted);
  font-size: 1.08rem;
  max-width: 46ch;
  margin-bottom: var(--space-lg);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: var(--space-lg); }

.hero__meta { display: flex; gap: 2.2rem; }
.hero__meta-item { display: flex; flex-direction: column; }
.hero__meta-item strong { font-family: var(--font-display); font-size: 1.4rem; }
.hero__meta-item span { font-size: 0.82rem; color: var(--color-text-faint); }

.hero__visual { position: relative; }
.device-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-soft), var(--shadow-glow-blue);
}
.device-frame__img { width: 100%; height: auto; }
.device-frame__reflection {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent 40%);
  pointer-events: none;
}

.floating-card {
  position: absolute;
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.75rem 1.1rem;
  background: var(--color-surface-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-soft);
  animation: float 5s ease-in-out infinite;
}
.floating-card i { color: var(--color-neon-soft); }
.floating-card--1 { top: -6%; right: 4%; animation-delay: 0s; }
.floating-card--2 { bottom: 6%; left: -8%; animation-delay: 1.2s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.scroll-indicator {
  position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  color: var(--color-text-faint);
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* ------------------------------------------------------------------
   7. COMPATIBILIDADE
------------------------------------------------------------------ */
.compat { border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); padding: 1.6rem 0; }
.compat__inner { display: flex; align-items: center; justify-content: center; gap: 2.5rem; flex-wrap: wrap; }
.compat__label { font-size: 0.82rem; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.05em; }
.compat__list { display: flex; gap: 2.2rem; flex-wrap: wrap; }
.compat__list li { display: flex; align-items: center; gap: 0.5rem; color: var(--color-text-muted); font-size: 0.92rem; font-weight: 500; }
.compat__list i { color: var(--color-neon-soft); }

/* ------------------------------------------------------------------
   8. SEÇÕES GERAIS
------------------------------------------------------------------ */
.section { padding: var(--space-2xl) 0; }
.section--alt { background: var(--color-bg-alt); }
.section__head { max-width: 640px; margin: 0 auto var(--space-xl); text-align: center; }
.section__title { font-size: clamp(1.8rem, 3.2vw, 2.6rem); margin-bottom: 0.8rem; }
.section__desc { color: var(--color-text-muted); font-size: 1.02rem; }
.section__cta { text-align: center; margin-top: var(--space-lg); }

/* ------------------------------------------------------------------
   9. GRID DE RECURSOS
------------------------------------------------------------------ */
.grid--features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.4rem;
}
.feature-card {
  background: var(--color-surface-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-soft);
}
.feature-card__icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: var(--radius-sm);
  background: var(--gradient-brand);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}
.feature-card h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--color-text-muted); font-size: 0.9rem; }

/* ------------------------------------------------------------------
   10. CARROSSEL / SCREENSHOTS
------------------------------------------------------------------ */
.carousel { position: relative; }
.carousel__track {
  display: flex;
  gap: 1.2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 0.5rem;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__slide {
  flex: 0 0 min(78%, 640px);
  scroll-snap-align: center;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  cursor: zoom-in;
  transition: transform var(--transition);
}
.carousel__slide:hover { transform: scale(1.015); }
.carousel__slide img { width: 100%; height: 100%; object-fit: cover; }

.carousel__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--color-surface-glass);
  backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border-strong);
  z-index: 2;
}
.carousel__nav--prev { left: -10px; }
.carousel__nav--next { right: -10px; }
.carousel__nav:hover { border-color: var(--color-neon-soft); }

.carousel__dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1.4rem; }
.carousel__dots button {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-border-strong);
  transition: background var(--transition), width var(--transition);
}
.carousel__dots button.is-active { background: var(--color-neon); width: 22px; border-radius: 4px; }

/* ------------------------------------------------------------------
   11. TABELA COMPARATIVA
------------------------------------------------------------------ */
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 520px; }
.compare-table th, .compare-table td {
  padding: 1rem 1.4rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}
.compare-table th:first-child, .compare-table td:first-child { text-align: left; color: var(--color-text-muted); }
.compare-table thead th { font-family: var(--font-display); font-weight: 600; background: var(--color-surface); }
.compare-table__highlight { background: rgba(62, 140, 255, 0.06); color: var(--color-neon-soft); font-weight: 600; }
.compare-table .fa-circle-check { color: var(--color-neon-soft); }
.compare-table .fa-circle-xmark { color: var(--color-text-faint); }
.compare-table .fa-circle-minus { color: var(--color-text-faint); }
.compare-table tbody tr:last-child td { border-bottom: none; }

/* ------------------------------------------------------------------
   12. PAINEL DE DOWNLOAD
------------------------------------------------------------------ */
.download-panel {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--color-surface-glass);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
}
.download-specs { display: grid; grid-template-columns: repeat(4, auto); gap: 2rem; margin: 1.6rem 0 2rem; }
.download-specs dt { font-size: 0.78rem; color: var(--color-text-faint); text-transform: uppercase; margin-bottom: 0.25rem; }
.download-specs dd { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.download-panel__actions { display: flex; flex-wrap: wrap; gap: 1rem; }
.qr-frame {
  padding: 1rem;
  background: #fff;
  border-radius: var(--radius-md);
  width: fit-content;
  margin-left: auto;
}

/* ------------------------------------------------------------------
   13. PASSOS / INSTALAÇÃO
------------------------------------------------------------------ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; }
.steps__item {
  position: relative;
  padding: 1.8rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}
.steps__num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 0.8rem;
}
.steps__item h3 { font-size: 1rem; margin-bottom: 0.4rem; }
.steps__item p { color: var(--color-text-muted); font-size: 0.88rem; }

/* ------------------------------------------------------------------
   14. ACCORDION / FAQ
------------------------------------------------------------------ */
.accordion { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.8rem; }
.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
}
.accordion__trigger {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.2rem 1.5rem;
  font-weight: 600;
  text-align: left;
}
.accordion__trigger i { transition: transform var(--transition); color: var(--color-text-faint); }
.accordion__trigger[aria-expanded="true"] i { transform: rotate(180deg); color: var(--color-neon-soft); }
.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition);
}
.accordion__panel p { padding: 0 1.5rem 1.2rem; color: var(--color-text-muted); font-size: 0.92rem; }

/* ------------------------------------------------------------------
   15. CTA FINAL
------------------------------------------------------------------ */
.cta-final {
  padding: var(--space-2xl) 0;
  text-align: center;
  background: radial-gradient(ellipse at center, rgba(139,92,246,0.12), transparent 70%);
}
.cta-final h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin-bottom: 0.8rem; }
.cta-final p { color: var(--color-text-muted); margin-bottom: 1.8rem; }

/* ------------------------------------------------------------------
   16. RODAPÉ
------------------------------------------------------------------ */
.footer { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); padding-top: var(--space-xl); }
.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border);
}
.footer__brand p { color: var(--color-text-muted); font-size: 0.9rem; margin: 0.8rem 0 1.2rem; }
.footer__social { display: flex; gap: 0.7rem; }
.footer__social a {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  transition: border-color var(--transition), color var(--transition);
}
.footer__social a:hover { border-color: var(--color-neon-soft); color: var(--color-neon-soft); }
.footer__col h4 { font-size: 0.9rem; margin-bottom: 1rem; }
.footer__col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer__col a { color: var(--color-text-muted); font-size: 0.9rem; transition: color var(--transition); }
.footer__col a:hover { color: var(--color-text); }
.footer__bottom { padding: 1.5rem 0; text-align: center; color: var(--color-text-faint); font-size: 0.85rem; }

/* ------------------------------------------------------------------
   17. MODAL
------------------------------------------------------------------ */
.modal { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; padding: 1.5rem; }
.modal.is-open { display: flex; }
.modal__overlay { position: absolute; inset: 0; background: rgba(4,4,8,0.75); backdrop-filter: blur(6px); }
.modal__box {
  position: relative;
  z-index: 1;
  width: 100%; max-width: 720px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--shadow-soft);
  animation: modal-in 0.3s ease;
}
.modal__box--sm { max-width: 420px; }
@keyframes modal-in { from { opacity: 0; transform: translateY(12px) scale(0.98); } to { opacity: 1; transform: none; } }
.modal__close { position: absolute; top: 1rem; right: 1rem; width: 36px; height: 36px; border-radius: 50%; background: var(--color-bg-alt); display: grid; place-items: center; }
.modal__box h3 { margin-bottom: 1rem; }
.modal__video img { border-radius: var(--radius-sm); margin-top: 1rem; }

.code-display {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 1.2rem;
  padding: 1rem 1.4rem;
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  border: 1px dashed var(--color-border-strong);
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.1em;
  color: var(--color-neon-soft);
}

/* ------------------------------------------------------------------
   18. TOAST
------------------------------------------------------------------ */
.toast {
  position: fixed; bottom: 1.6rem; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  padding: 0.85rem 1.4rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 1200;
  box-shadow: var(--shadow-soft);
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ------------------------------------------------------------------
   19. LIGHTBOX
------------------------------------------------------------------ */
.lightbox {
  position: fixed; inset: 0; z-index: 1100;
  display: none; align-items: center; justify-content: center;
  background: rgba(3,3,6,0.92);
  padding: 2rem;
}
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 90vw; max-height: 85vh; border-radius: var(--radius-md); }
.lightbox__close { position: absolute; top: 1.6rem; right: 1.6rem; width: 44px; height: 44px; border-radius: 50%; background: var(--color-surface-glass); display: grid; place-items: center; }

/* ------------------------------------------------------------------
   20. ANIMAÇÕES DE SCROLL (data-animate)
------------------------------------------------------------------ */
[data-animate] { opacity: 0; transition: opacity 0.7s ease, transform 0.7s ease; }
[data-animate="fade-up"] { transform: translateY(28px); }
[data-animate="fade-left"] { transform: translateX(36px); }
[data-animate].is-visible { opacity: 1; transform: none; }
[data-delay="1"] { transition-delay: 0.08s; }
[data-delay="2"] { transition-delay: 0.16s; }
[data-delay="3"] { transition-delay: 0.24s; }

/* ------------------------------------------------------------------
   21. RESPONSIVIDADE
------------------------------------------------------------------ */
@media (max-width: 1024px) {
  .grid--features { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav { position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 320px);
    background: var(--color-bg-alt); border-left: 1px solid var(--color-border);
    padding: 6.5rem 2rem 2rem; transform: translateX(100%); transition: transform var(--transition); z-index: 400; }
  .nav.is-open { transform: translateX(0); }
  .nav__list { flex-direction: column; gap: 1.4rem; }
  .menu-toggle { display: flex; }
  .download-panel { grid-template-columns: 1fr; text-align: center; }
  .download-panel__visual { display: none; }
  .download-specs { grid-template-columns: repeat(2, 1fr); justify-items: center; text-align: center; }
}

@media (max-width: 640px) {
  .grid--features { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero { padding: 7.5rem 0 4rem; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .compare-table { min-width: 460px; }
}