/* Ambiente lento, interface rápida, narrativa curta. Apenas transform e opacity
   movem a composição; o conteúdo não depende destas animações para aparecer. */
:root {
  --motion-quick: 180ms;
  --motion-ui: 240ms;
  --motion-enter: 560ms;
  --ease-ui: cubic-bezier(.22, .68, 0, 1.01);
  --ease-enter: cubic-bezier(.2, .7, .2, 1);
}

/* Profundidade ambiental. Todos os recortes pertencem só à decoração. */
[data-depth] { transform: translate3d(var(--parallax-x, 0px), var(--parallax-y, 0px), 0); }
.neb1 { animation: nebula-drift 32s ease-in-out infinite alternate; }
.neb2 { animation: nebula-drift 40s ease-in-out infinite alternate-reverse; }
.neb3 { width: 70vw; height: 60vw; right: -30%; top: 10%; background: radial-gradient(ellipse, #c4a84a0a, transparent 65%); animation: nebula-breathe 24s ease-in-out infinite alternate; }
.cosmic-veil { position: absolute; inset: 0; background: linear-gradient(90deg, #01020838 0%, #01020850 36%, #01020830 64%, transparent 85%); }
.hero-scenery { position: absolute; inset: -52px calc(-1 * var(--gutter)) -20px; overflow: clip; pointer-events: none; z-index: -1; }
.hero-eclipse { position: absolute; right: -13%; top: -1%; width: min(72vw, 960px); aspect-ratio: 1; border-radius: 50%; border: 1px solid #5dc9e80b; background: radial-gradient(circle at 35% 28%, #3d6c7d10, transparent 60%), radial-gradient(circle, #03061000 61%, #5dc9e808 69%, #010208 71%); opacity: .8; }
.hero-orbits { position: absolute; top: 0; right: -20%; width: 100%; height: 95%; }
.hero-orbits > i { position: absolute; top: 8%; left: 6%; width: 85%; height: 74%; border: 1px solid #c4a84a12; border-radius: 50%; transform: rotate(-22deg); animation: hero-arc 36s ease-in-out infinite alternate; }
.hero-orbits > i:nth-child(2) { top: 5%; left: 4%; width: 94%; height: 88%; border-color: #5dc9e811; animation-duration: 40s; animation-direction: alternate-reverse; }
.hero-orbits > .orbit-beacon { top: 11%; left: 10%; width: 78%; height: 78%; border: 0; animation: beacon-orbit 32s linear infinite; }
.orbit-beacon::before { content: ''; position: absolute; top: 50%; left: 0; width: 5px; height: 5px; border-radius: 50%; background: var(--gold2); opacity: .65; box-shadow: 0 0 16px #c4a84a80; }
.planet-glow-bg { animation: planet-light 12s ease-in-out infinite alternate; }
.planet::before { animation: planet-surface 32s ease-in-out infinite alternate; }
.ring-1 { animation: near-ring 28s ease-in-out infinite alternate; }
.ring-2 { animation: far-ring 36s ease-in-out infinite alternate; }
.moon-orbit { animation-duration: 30s; }
.scroll-thread { position: relative; overflow: hidden; }
.scroll-thread::after { content: ''; position: absolute; inset: -50% 0 50%; background: var(--gold2); animation: scroll-signal 3s var(--ease-enter) infinite; }

.studio-scenery { position: absolute; inset: 0 calc(-1 * var(--gutter)); pointer-events: none; z-index: -1; overflow: clip; background: radial-gradient(ellipse at 78% 40%, #24275532, transparent 62%), linear-gradient(180deg, transparent, #08101cab 24%, #08101c99 76%, transparent); }
.studio-watermark { position: absolute; top: 4%; right: -4%; font: 900 clamp(5rem, 19vw, 21rem)/1 var(--serif); text-transform: uppercase; letter-spacing: -.04em; color: #b7cde8; opacity: .022; white-space: nowrap; }
.studio-halo { position: absolute; width: 75%; aspect-ratio: 1; top: 4%; right: -16%; border: 1px solid #7b76ff0d; border-radius: 50%; background: radial-gradient(circle, #5dc9e808, transparent 65%); animation: studio-halo 24s ease-in-out infinite alternate; }
.studio-symbol i { animation: studio-orbit 28s ease-in-out infinite alternate; }
.studio-symbol i:nth-child(2) { animation-name: studio-orbit-far; animation-duration: 36s; animation-direction: alternate-reverse; }
.studio-symbol i:nth-child(3) { animation-name: studio-orbit-wide; animation-duration: 40s; }
.studio-symbol i:first-child::after { content: ''; position: absolute; top: 50%; left: -3px; width: 6px; height: 6px; background: var(--gold); border-radius: 50%; box-shadow: 0 0 18px #c4a84a66; }
.studio-symbol span { animation: star-breathe 10s ease-in-out infinite alternate; }
.about-orbit i { animation: about-orbit 36s linear infinite; }
.about-orbit i:nth-child(2) { animation-duration: 40s; animation-direction: reverse; }
.contact-scenery { position: absolute; inset: 0 calc(-1 * var(--gutter)); overflow: clip; pointer-events: none; z-index: -1; background: radial-gradient(ellipse at 80% 70%, #5dc9e80c, transparent 65%); }
.contact-eclipse { position: absolute; width: min(75vw, 920px); aspect-ratio: 1; right: -12%; top: 5%; border-radius: 50%; background: radial-gradient(circle at 45% 45%, transparent 57%, #c4a84a0e 69%, #01020800 71%); }
.contact-eclipse i { position: absolute; inset: 14% -7%; border: 1px solid #c4a84a20; border-radius: 50%; transform: rotate(-28deg); animation: contact-arc 28s ease-in-out infinite alternate; }
.contact-eclipse i:nth-child(2) { inset: 6% -2%; border-color: #5dc9e80d; animation-duration: 36s; animation-direction: alternate-reverse; }
.contact-eclipse i:first-child::after { content: ''; position: absolute; width: 5px; height: 5px; top: 50%; left: -3px; background: var(--gold2); border-radius: 50%; box-shadow: 0 0 22px #c4a84a88; }

/* O ponteiro nativo continua visível; o halo só acompanha controles interativos. */
#pointer-halo { position: fixed; top: 0; left: 0; width: 16px; height: 16px; border: 1px solid #90dff57a; border-radius: 50%; pointer-events: none; z-index: 220; opacity: 0; transform: translate3d(var(--halo-x, -40px), var(--halo-y, -40px), 0) translate(-50%, -50%); transition: opacity var(--motion-quick); }
#pointer-halo.is-active { opacity: .65; }

/* Entradas progressivas: o observer aplica estas classes apenas uma vez. */
.is-entering { animation: content-arrive var(--motion-enter) var(--ease-enter) var(--reveal-delay, 0ms) both; }
.sec-head.is-entering, .contact-heading.is-entering { animation: none; }
:is(.sec-head, .contact-heading).is-entering .kicker { animation: label-arrive 440ms var(--ease-enter) both; }
:is(.sec-head, .contact-heading).is-entering .sec-h2 { animation: content-arrive 520ms var(--ease-enter) 50ms both; }
.sec-head.is-entering .sec-desc { animation: content-arrive 500ms var(--ease-enter) 110ms both; }
.process-grid.is-entering { animation-name: content-arrive; }
.process-grid li::before { content: ''; position: absolute; height: 1px; top: -1px; left: 0; right: 0; background: var(--gold); transform-origin: left; opacity: .5; }
.process-grid.is-entering li::before { animation: line-arrive 620ms var(--ease-enter) both; }

/* Respostas pequenas, com acabamento comum para foco, mouse e toque. */
.btn-primary, .btn-ghost, #nav .nav-cta { position: relative; isolation: isolate; overflow: hidden; transition: transform var(--motion-ui) var(--ease-ui), border-color var(--motion-quick), background-color var(--motion-ui), box-shadow var(--motion-ui); }
.btn-primary::before, .btn-ghost::before, #nav .nav-cta::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; background: linear-gradient(105deg, transparent 25%, #e8d07015 50%, transparent 75%); transform: translateX(-110%); transition: transform 500ms var(--ease-ui); }
.btn-primary:hover::before, .btn-ghost:hover::before, #nav .nav-cta:hover::before { transform: translateX(110%); }
.btn-primary:hover { box-shadow: 0 6px 30px #c4a84a12; }
.btn-primary > [aria-hidden], .btn-ghost > [aria-hidden], .text-link > [aria-hidden], .studio-projects a > span, #nav .nav-cta > span { transition: transform var(--motion-ui) var(--ease-ui); }
:is(.btn-primary, .btn-ghost, .text-link, .studio-projects a, #nav .nav-cta):hover > [aria-hidden] { transform: translate(3px, -2px); }
.hero-actions .btn-primary:hover > [aria-hidden] { transform: translateY(3px); }
.text-link { text-decoration: none; }
.text-link:hover { text-decoration: none; }
.footer-links a, .studio-projects a, #nav a:not(.nav-cta) { background-image: linear-gradient(var(--gold), var(--gold)); background-repeat: no-repeat; background-position: left calc(100% - 5px); background-size: 0 1px; transition: background-size var(--motion-ui), color var(--motion-quick); }
:is(.footer-links a, .studio-projects a, #nav a:not(.nav-cta)):hover { background-size: 100% 1px; }
.text-link::after { content: ''; position: absolute; inset: auto 0 0; height: 1px; background: var(--gold); transform: scaleX(0); transform-origin: left; transition: transform var(--motion-ui) var(--ease-ui); }
.text-link { position: relative; width: fit-content; }
.text-link:hover::after { transform: scaleX(1); }
.service-card { position: relative; isolation: isolate; transition: transform var(--motion-ui) var(--ease-ui), border-color var(--motion-ui); }
.service-card::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none; border-radius: inherit; opacity: 0; background: radial-gradient(ellipse at 92% 0%, #5dc9e80f, transparent 65%); transition: opacity var(--motion-ui); }
.service-card:hover::before { opacity: 1; }
.service-icon { transition: color var(--motion-quick), border-color var(--motion-quick), transform var(--motion-ui) var(--ease-ui); }
.service-card:hover .service-icon { border-color: #5dc9e85c; color: var(--blue2); transform: translateY(-2px); }
.proj-card { transition: transform var(--motion-ui) var(--ease-ui), border-color var(--motion-ui), box-shadow var(--motion-ui); }
.project-featured:hover { box-shadow: 0 14px 48px #0004; }
.project-preview img { transition: transform var(--motion-ui) var(--ease-ui); }
.project-featured:hover .project-preview img { transform: translateY(-3px) scale(1.018); }
.proj-tags li { transition: color var(--motion-quick), border-color var(--motion-quick), transform var(--motion-quick); }
.proj-tags li:hover { transform: translateY(-2px); color: var(--gold2); border-color: var(--lineG); }
.studio-stat { transition: border-color var(--motion-ui); }
.studio-stat:hover { border-color: #5dc9e85c; }
.contact-links a span:last-child { transition: transform var(--motion-ui) var(--ease-ui); }
.contact-links a:hover span:last-child { transform: translate(3px, -2px); }
:is(.btn-primary, .btn-ghost, .filter-btn, #menu-tog):active { transform: translateY(1px); }

@keyframes nebula-drift { from { transform: translate3d(0, 0, 0) scale(1); opacity: .6; } to { transform: translate3d(4%, 3%, 0) scale(1.07); opacity: 1; } }
@keyframes nebula-breathe { from { transform: scale(.95); opacity: .4; } to { transform: scale(1.08); opacity: .9; } }
@keyframes hero-arc { from { transform: rotate(-22deg); } to { transform: rotate(-16deg); } }
@keyframes beacon-orbit { to { transform: rotate(360deg); } }
@keyframes planet-light { from { opacity: .55; transform: scale(.96); } to { opacity: .95; transform: scale(1.06); } }
@keyframes planet-surface { from { transform: rotate(-8deg); opacity: .7; } to { transform: rotate(16deg); opacity: 1; } }
@keyframes near-ring { from { transform: translate(-50%, -50%) rotate(-10deg); } to { transform: translate(-50%, -50%) rotate(-17deg); } }
@keyframes far-ring { from { transform: translate(-50%, -50%) rotate(10deg); } to { transform: translate(-50%, -50%) rotate(18deg); } }
@keyframes scroll-signal { 0%, 20% { transform: translateY(-110%); opacity: 0; } 35% { opacity: .8; } 80%, 100% { transform: translateY(220%); opacity: 0; } }
@keyframes studio-halo { from { transform: translateY(0) scale(.96); opacity: .5; } to { transform: translateY(12px) scale(1.04); opacity: .9; } }
@keyframes studio-orbit { from { transform: rotate(-25deg); } to { transform: rotate(-17deg); } }
@keyframes studio-orbit-far { from { transform: rotate(25deg); } to { transform: rotate(33deg); } }
@keyframes studio-orbit-wide { from { transform: rotate(-12deg); } to { transform: rotate(-6deg); } }
@keyframes about-orbit { to { transform: rotate(330deg); } }
@keyframes star-breathe { from { opacity: .65; transform: scale(.98); } to { opacity: .95; transform: scale(1.04); } }
@keyframes contact-arc { from { transform: rotate(-28deg); } to { transform: rotate(-21deg); } }
@keyframes content-arrive { from { opacity: .42; transform: translate3d(0, 18px, 0); } to { opacity: 1; transform: translate3d(0, 0, 0); } }
@keyframes label-arrive { from { opacity: .5; transform: translateY(7px); } to { opacity: 1; transform: translateY(0); } }
@keyframes line-arrive { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* Apenas decoração é pausada fora da viewport; os reveals são eventos únicos. */
[data-motion-region]:not(.is-in-view) :is(.ambient-motion, .planet-glow-bg, .ring, .moon-orbit, .studio-symbol i, .studio-symbol span, .about-orbit i),
[data-motion-region]:not(.is-in-view) .hero-orbits > i,
[data-motion-region]:not(.is-in-view) .planet::before,
[data-motion-region]:not(.is-in-view) .scroll-thread::after { animation-play-state: paused; }
html.is-page-hidden *, html.is-page-hidden *::before, html.is-page-hidden *::after { animation-play-state: paused !important; }
html:not(.js) :is(.nebula, .ambient-motion, .planet-glow-bg, .ring, .moon-orbit, .studio-symbol i, .studio-symbol span, .about-orbit i), html:not(.js) .hero-orbits > i, html:not(.js) .planet::before, html:not(.js) .scroll-thread::after { animation: none; }
@media (hover: hover) and (pointer: fine) {
  .service-card:hover { transform: translateY(-4px); border-color: #5dc9e833; }
}
@media (max-width: 799px) {
  .hero-scenery { inset-block: -24px 10px; }
  .hero-eclipse { width: 110%; right: -45%; top: 2%; }
  .hero-orbits { right: -42%; width: 120%; height: 68%; }
  .studio-watermark { top: 2%; font-size: 19vw; }
  .contact-eclipse { width: 110%; top: 8%; right: -40%; }
  .neb3 { display: none; }
}
@media (hover: none), (pointer: coarse) {
  #pointer-halo { display: none; }
  .proj-card:hover, .project-featured:hover .project-preview img { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  [data-depth] { transform: none; }
  #pointer-halo { display: none; }
  .is-entering { opacity: 1; }
}
@media print {
  .hero-scenery, .studio-scenery, .contact-scenery, .about-orbit, #pointer-halo, .hero-explore { display: none !important; }
}