/* ==========================================================================
   ENUXT — Motion layer
   Efeitos de entrada, cursor, marquee e scroll interativo. Tudo aqui respeita
   prefers-reduced-motion (ver bloco no final) e degrada para conteúdo
   estático visível se o JavaScript/CDN de animação falhar.
   ========================================================================== */

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0; z-index: 500;
  background: var(--bg-0);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.25rem;
  transition: opacity 0.6s var(--ease), visibility 0.6s var(--ease);
}
.preloader-mark {
  font-family: var(--font-display); font-weight: 700; letter-spacing: 0.05em;
  font-size: clamp(1.6rem, 6vw, 2.4rem); color: var(--text-0);
}
.preloader-bar { width: min(220px, 60vw); height: 2px; background: var(--line); border-radius: 2px; overflow: hidden; }
.preloader-bar span { display: block; height: 100%; width: 0%; background: var(--signal); transition: width 0.2s linear; }
.preloader-pct { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-2); }
body.is-loading { overflow: hidden; }
body.is-loaded .preloader { opacity: 0; visibility: hidden; pointer-events: none; }

/* ---------- Custom cursor (desktop / fine pointer only) ---------- */
.cursor-dot, .cursor-ring { position: fixed; top: 0; left: 0; pointer-events: none; z-index: 400; border-radius: 50%; transform: translate(-50%, -50%); display: none; }
.cursor-dot { width: 6px; height: 6px; background: var(--signal); }
.cursor-ring { width: 34px; height: 34px; border: 1px solid var(--data-dim); transition: width 0.2s var(--ease), height 0.2s var(--ease), border-color 0.2s var(--ease), opacity 0.2s; }
.cursor-ring.is-active { width: 54px; height: 54px; border-color: var(--signal); }
@media (hover: hover) and (pointer: fine) {
  .cursor-dot, .cursor-ring { display: block; }
}

/* ---------- Split heading reveal ---------- */
.split-heading { overflow: visible; }
.split-line { display: block; overflow: hidden; }
.split-inner { display: inline-block; transform: translateY(110%); will-change: transform; }
body.is-loaded .split-inner { transition: transform 0.9s var(--ease); }
body.is-loaded .split-line:nth-child(1) .split-inner { transition-delay: 0.05s; transform: translateY(0); }
body.is-loaded .split-line:nth-child(2) .split-inner { transition-delay: 0.15s; transform: translateY(0); }
body.is-loaded .split-line:nth-child(3) .split-inner { transition-delay: 0.25s; transform: translateY(0); }
.split-heading em { color: var(--signal); font-style: normal; }

.reveal-line { opacity: 0; transform: translateY(14px); }
body.is-loaded .reveal-line { transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); opacity: 1; transform: translateY(0); }
body.is-loaded .hero-sub.reveal-line { transition-delay: 0.35s; }
body.is-loaded .hero-ctas.reveal-line { transition-delay: 0.45s; }
body.is-loaded a.btn-ghost.reveal-line { transition-delay: 0.5s; }
body.is-loaded p.hero-note.reveal-line { transition-delay: 0.55s; }
body.is-loaded .trust-strip.reveal-line { transition-delay: 0.62s; }

/* ---------- Generic scroll reveal (JS adds .is-visible) ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Hero visual as full-bleed background ---------- */
.hero-visual-bg {
  position: absolute; inset: 0; z-index: 0; border: none; border-radius: 0;
  background: radial-gradient(ellipse at 70% 30%, rgba(6,209,252,0.12), transparent 55%), var(--bg-0);
  opacity: 0.9;
}
.hero { position: relative; min-height: min(94vh, 840px); display: flex; align-items: center; }
.hero .container { position: relative; z-index: 1; width: 100%; }
.hero-copy { max-width: 640px; }
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: linear-gradient(90deg, var(--bg-0) 0%, rgba(7,10,18,0.55) 42%, rgba(7,10,18,0) 78%);
}

.scroll-cue {
  position: relative; z-index: 1; display: none; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-2); margin: 2rem auto 0; width: fit-content;
}
.scroll-cue span { width: 1px; height: 26px; background: linear-gradient(var(--data), transparent); animation: scrollcue 1.8s ease-in-out infinite; }
@media (min-width: 760px) { .scroll-cue { display: flex; } }
@keyframes scrollcue { 0% { transform: scaleY(0.3); opacity: 0.3; } 50% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(0.3); opacity: 0.3; } }

/* ---------- Marquee ---------- */
.marquee { overflow: hidden; border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); background: var(--bg-1); position: relative; z-index: 1; }
.marquee-track { display: flex; width: max-content; gap: clamp(1.5rem, 4vw, 3rem); padding-block: 1.1rem; animation: marquee 22s linear infinite; }
.marquee-track span { font-family: var(--font-mono); font-size: 0.85rem; color: var(--text-2); white-space: nowrap; letter-spacing: 0.03em; }
.marquee-track span::after { content: '/'; margin-left: clamp(1.5rem, 4vw, 3rem); color: var(--line); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee:hover .marquee-track { animation-play-state: paused; }

/* ---------- Horizontal scroll track (soluções) ---------- */
.scroll-hint { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-2); margin-top: -0.5rem; margin-bottom: 0.5rem; }
.solutions-grid.is-horizontal {
  display: flex; flex-wrap: nowrap; width: max-content; gap: 1.25rem; margin-top: 2.5rem;
}
.solutions-grid.is-horizontal .solution-card { width: min(360px, 82vw); flex: 0 0 auto; }

/* ---------- Magnetic buttons: handled via inline transform in JS ---------- */
.magnetic { transition: transform 0.25s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease); }

/* ---------- Reduced motion & no-JS fallback ---------- */
@media (prefers-reduced-motion: reduce) {
  .preloader { display: none !important; }
  .split-inner, .reveal-line, [data-reveal] { transform: none !important; opacity: 1 !important; transition: none !important; }
  .marquee-track { animation: none !important; }
  .scroll-cue span { animation: none !important; }
  .cursor-dot, .cursor-ring { display: none !important; }
}
/* Se o JS não rodar por qualquer motivo, garantir que o conteúdo continue visível */
.no-js .split-inner, .no-js .reveal-line, .no-js [data-reveal] { transform: none !important; opacity: 1 !important; }

/* ==========================================================================
   v3 — Header cinematográfico, menu fullscreen, curtain de transição,
   headings cinéticos e ícones com hover-swap nas soluções.
   ========================================================================== */

/* ---------- Header: minimalista, tudo pelo menu fullscreen ---------- */
.nav-desktop { display: none !important; }
.nav-toggle {
  display: flex !important;
  background: none; border: 1px solid var(--line); border-radius: var(--radius-s);
  width: 46px; height: 46px; align-items: center; justify-content: center;
  color: var(--text-0); cursor: pointer; position: relative; z-index: 210;
}
.nav-toggle .bar { display: block; width: 18px; height: 1.5px; background: currentColor; position: relative; transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.nav-toggle .bar::before, .nav-toggle .bar::after { content: ''; position: absolute; left: 0; width: 100%; height: 1.5px; background: currentColor; transition: transform 0.3s var(--ease); }
.nav-toggle .bar::before { top: -6px; }
.nav-toggle .bar::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Menu fullscreen cinematográfico ---------- */
.nav-mobile {
  display: flex !important;
  position: fixed; inset: 0; top: 0;
  background: rgba(5, 7, 13, 0.96);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  padding: clamp(5.5rem, 12vh, 8rem) var(--gutter) 2.5rem;
  flex-direction: column; justify-content: space-between;
  transform: none;
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.5s var(--ease), visibility 0.5s var(--ease);
  z-index: 200;
}
.nav-mobile.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.nav-mobile::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(ellipse at 85% 15%, rgba(6,209,252,0.10), transparent 55%),
              radial-gradient(ellipse at 10% 85%, rgba(6,209,252,0.10), transparent 55%);
}
.nav-mobile ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0; }
.nav-mobile li { border-bottom: 1px solid var(--line-soft); overflow: hidden; }
.nav-mobile li:first-child { border-top: 1px solid var(--line-soft); }
.nav-mobile a {
  display: flex; align-items: baseline; gap: 1rem;
  padding: clamp(0.9rem, 2.4vw, 1.5rem) 0;
  text-decoration: none; color: var(--text-0);
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.8rem, 6vw, 3.4rem);
  transform: translateY(105%); opacity: 0;
  transition: transform 0.6s var(--ease), opacity 0.6s var(--ease), color 0.25s;
}
.nav-mobile.is-open a { transform: translateY(0); opacity: 1; }
.nav-mobile li:nth-child(1) a { transition-delay: 0.08s; }
.nav-mobile li:nth-child(2) a { transition-delay: 0.13s; }
.nav-mobile li:nth-child(3) a { transition-delay: 0.18s; }
.nav-mobile li:nth-child(4) a { transition-delay: 0.23s; }
.nav-mobile li:nth-child(5) a { transition-delay: 0.28s; }
.nav-mobile li:nth-child(6) a { transition-delay: 0.33s; }
.nav-mobile li:nth-child(7) a { transition-delay: 0.38s; }
.nav-mobile a .idx { font-family: var(--font-mono); font-size: 0.9rem; color: var(--signal); font-weight: 400; }
.nav-mobile a:hover, .nav-mobile a:focus-visible { color: var(--data); }
@media (hover: hover) and (pointer: fine) {
  .nav-mobile a { transition: transform 0.6s var(--ease), opacity 0.6s var(--ease), padding-left 0.3s var(--ease), color 0.25s; }
  .nav-mobile a:hover { padding-left: 1rem; }
}
.nav-mobile-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-2); opacity: 0; transition: opacity 0.6s var(--ease) 0.4s; }
.nav-mobile.is-open .nav-mobile-footer { opacity: 1; }
.nav-mobile-footer a { color: var(--text-2); text-decoration: none; }
.nav-mobile-footer a:hover { color: var(--data); }
body.nav-is-open { overflow: hidden; }

/* ---------- Curtain de transição entre páginas ---------- */
.page-curtain {
  position: fixed; inset: 0; z-index: 600;
  background: var(--bg-0);
  transform: translateY(0);
  transition: transform 0.6s var(--ease);
  pointer-events: none;
}
.page-curtain::after {
  content: 'ENUXT'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  font-family: var(--font-mono); font-size: 0.8rem; letter-spacing: 0.2em; color: var(--text-2);
}
.page-curtain.is-covering { transform: translateY(0); pointer-events: auto; }
.page-curtain.is-hidden { transform: translateY(-100%); pointer-events: none; }
.page-curtain.no-transition { transition: none; }

/* ---------- Kinetic headings (escala/opacidade acompanham o scroll) ---------- */
.kinetic-heading {
  --kp: 0;
  transform: scale(calc(0.92 + 0.08 * var(--kp)));
  opacity: calc(0.35 + 0.65 * var(--kp));
  letter-spacing: calc(0.01em - 0.01em * var(--kp));
  transform-origin: left center;
  will-change: transform, opacity;
}

/* ---------- Ícones das soluções: hover-swap ---------- */
.solution-card { position: relative; }
.card-icon { width: 40px; height: 40px; position: relative; margin-bottom: 0.3rem; }
.card-icon svg { position: absolute; inset: 0; width: 100%; height: 100%; transition: opacity 0.35s var(--ease), transform 0.35s var(--ease); }
.card-icon .icon-base { opacity: 1; transform: scale(1) rotate(0deg); color: var(--text-2); }
.card-icon .icon-hover { opacity: 0; transform: scale(0.7) rotate(-12deg); color: var(--signal); }
.solution-card:hover .card-icon .icon-base { opacity: 0; transform: scale(0.7) rotate(12deg); }
.solution-card:hover .card-icon .icon-hover { opacity: 1; transform: scale(1) rotate(0deg); }
.solution-card::before {
  content: ''; position: absolute; left: 1.75rem; right: 1.75rem; bottom: 0; height: 2px;
  background: var(--signal); transform: scaleX(0); transform-origin: left; transition: transform 0.35s var(--ease);
}
.solution-card:hover::before { transform: scaleX(1); }

/* ---------- Parallax utility (transform aplicado via JS) ---------- */
.parallax-copy, .parallax-bg { will-change: transform; }

@media (prefers-reduced-motion: reduce) {
  .nav-mobile a { transform: none !important; opacity: 1 !important; }
  .page-curtain { transition: none !important; }
  .kinetic-heading { --kp: 1 !important; transform: none !important; opacity: 1 !important; }
}
.no-js .nav-mobile a { transform: none !important; opacity: 1 !important; }



/* Desktop navigation: hamburger remains active on mobile/tablet; full nav returns on wide desktops. */
@media (min-width: 1180px) {
  .nav-desktop { display: block !important; }
  .header-cta { display: inline-flex !important; }
  .nav-toggle { display: none !important; }
  .nav-mobile { display: none !important; }
}

/* Tablet/mobile navigation refinement */
@media (max-width: 1179px) {
  .header-cta { display: none !important; }
  .nav-mobile { overflow-y: auto; overscroll-behavior: contain; }
}
@media (max-width: 600px), (max-height: 720px) {
  .nav-mobile { padding-top: 5rem; padding-bottom: 1.25rem; }
  .nav-mobile a { font-size: clamp(1.2rem, 5vw, 1.8rem); padding: .62rem 0; }
  .nav-mobile-footer { font-size: .7rem; }
}