/* ==========================================================
   Studio Olho da Lua — style.css
   Índice: 1 Variáveis · 2 Base · 3 Componentes · 4 Cabeçalho · 5 Hero
   6 Atmos · 7 Estúdio · 8 Serviços · 9 Portfólio · 10 Lançamentos
   11 Identidade · 12 Plataformas · 13 Contato · 14 Rodapé
   15 Lightbox/Modal/FAB · 16 Animações · 17 Responsivo
   ========================================================== */

/* 1. VARIÁVEIS */
:root {
  --c-black: #09090D;
  --c-graphite: #15151C;
  --c-grey: #85858F;
  --c-grey-light: #b4b4bd;
  --c-white: #F4F1EC;
  --c-gold: #C8AA78;
  --c-night: #262B43;

  --f-title: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --f-text: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;

  --sp-1: .5rem; --sp-2: 1rem; --sp-3: 1.5rem; --sp-4: 2.5rem; --sp-5: 4rem; --sp-6: 7rem;
  --container: 1240px;
  --header-h: 76px;
  --line: rgba(200, 170, 120, .28);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* 2. BASE */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--c-black); color: var(--c-white);
  font-family: var(--f-text); font-size: 1rem; line-height: 1.7;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--c-gold); outline-offset: 3px; }
::selection { background: var(--c-gold); color: var(--c-black); }

.container { width: min(100% - 2rem, var(--container)); margin-inline: auto; }
.section { padding-block: var(--sp-5); position: relative; }
.section-alt { background: var(--c-graphite); }
.skip-link { position: absolute; left: 1rem; top: -4rem; background: var(--c-gold); color: var(--c-black); padding: .6rem 1rem; z-index: 200; }
.skip-link:focus { top: 1rem; }

/* 3. COMPONENTES */
.eyebrow { font-size: .74rem; letter-spacing: .28em; text-transform: uppercase; color: var(--c-gold); font-weight: 600; margin-bottom: var(--sp-2); }
.display { font-family: var(--f-title); font-weight: 500; line-height: 1.04; font-size: clamp(2.3rem, 6vw, 4.4rem); letter-spacing: -.01em; }
.display em { font-style: italic; color: var(--c-gold); font-weight: 400; }
.lead { color: var(--c-grey-light); font-size: 1.06rem; max-width: 60ch; margin-top: var(--sp-3); }
.note { color: var(--c-grey); font-size: .82rem; margin-top: var(--sp-3); }
.section-head { margin-bottom: var(--sp-4); max-width: 820px; }
.link-inline { color: var(--c-gold); border-bottom: 1px solid var(--line); }
.link-inline:hover { border-color: var(--c-gold); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 48px; padding: .8rem 1.7rem; border: 1px solid var(--c-gold);
  font-size: .84rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; text-align: center;
  transition: background .35s var(--ease), color .35s var(--ease), transform .35s var(--ease);
}
.btn-gold { background: var(--c-gold); color: var(--c-black); }
.btn-gold:hover { background: var(--c-white); border-color: var(--c-white); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--c-white); }
.btn-ghost:hover { background: rgba(200, 170, 120, .14); transform: translateY(-2px); }
.btn-sm { min-height: 42px; padding: .55rem 1.2rem; font-size: .76rem; }
.link-quiet { display: inline-block; margin-top: var(--sp-2); min-height: 44px; padding-block: .6rem; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--c-gold); border-bottom: 1px solid transparent; }
.link-quiet:hover { border-bottom-color: var(--c-gold); }

/* 4. CABEÇALHO */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h); transition: background .4s var(--ease), border-color .4s var(--ease); border-bottom: 1px solid transparent; }
.site-header.is-scrolled { background: rgba(9, 9, 13, .92); backdrop-filter: blur(10px); border-bottom-color: var(--line); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; flex-direction: column; line-height: 1; min-height: 44px; justify-content: center; }
.brand-top { font-size: .6rem; letter-spacing: .5em; color: var(--c-gold); font-weight: 600; }
.brand-name { font-family: var(--f-title); font-size: 1.5rem; letter-spacing: .22em; font-weight: 500; margin-top: .25rem; }

.nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 6px; width: 48px; height: 48px; padding: 12px; background: none; border: 0; z-index: 120; }
.nav-toggle span { display: block; height: 1.5px; background: var(--c-white); transition: transform .35s var(--ease), opacity .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

.nav { position: fixed; inset: 0; background: var(--c-black); display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 2rem; padding: 5rem 1.5rem 2rem; opacity: 0; visibility: hidden; transition: opacity .35s var(--ease), visibility .35s; z-index: 110; }
.nav.is-open { opacity: 1; visibility: visible; }
.nav-list { display: flex; flex-direction: column; align-items: center; gap: .4rem; }
.nav-list a { display: block; padding: .6rem 1rem; font-family: var(--f-title); font-size: 2rem; }
.nav-list a:hover, .nav-list a.is-active { color: var(--c-gold); }

/* 5. HERO */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; padding-top: var(--header-h); }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9,9,13,.9) 0%, rgba(9,9,13,.55) 55%, rgba(9,9,13,.2) 100%), linear-gradient(0deg, var(--c-black) 0%, transparent 30%); }
.hero-content { position: relative; z-index: 2; padding-block: var(--sp-5); }
.hero-title { font-family: var(--f-title); font-weight: 500; font-size: clamp(2.8rem, 9vw, 6.8rem); line-height: .98; letter-spacing: -.015em; max-width: 12ch; }
.hero-text { margin-top: var(--sp-3); max-width: 50ch; color: var(--c-grey-light); font-size: 1.1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: var(--sp-4); }
.hero-scroll { position: absolute; bottom: 1.5rem; left: 50%; width: 1px; height: 54px; background: var(--line); z-index: 2; overflow: hidden; }
.hero-scroll span { display: block; width: 100%; height: 40%; background: var(--c-gold); animation: scrollLine 2.4s var(--ease) infinite; }

/* 6. ATMOS */
.atmos { background: var(--c-black); overflow: hidden; padding-block: var(--sp-6); border-block: 1px solid var(--line); }
.atmos-rings { position: absolute; right: -20%; top: 50%; width: min(120vw, 900px); aspect-ratio: 1; transform: translateY(-50%); pointer-events: none; }
.atmos-rings span { position: absolute; inset: 0; border: 1px solid var(--c-gold); border-radius: 50%; opacity: .2; }
.atmos-rings span:nth-child(2) { inset: 12%; opacity: .16; }
.atmos-rings span:nth-child(3) { inset: 24%; opacity: .13; }
.atmos-rings span:nth-child(4) { inset: 36%; opacity: .1; }
.atmos-rings span:nth-child(5) { inset: 46%; opacity: .3; background: radial-gradient(circle, rgba(200,170,120,.18), transparent 70%); }
.atmos-grid { position: relative; display: grid; gap: var(--sp-5); align-items: center; }
.atmos-copy .btn { margin-top: var(--sp-4); }
.atmos-badge { padding-block: var(--sp-2); }
.badge-line { display: block; height: 1px; background: var(--c-gold); width: 64px; margin-block: var(--sp-3); }
.badge-text { font-family: var(--f-title); font-style: italic; font-size: clamp(1.5rem, 3.4vw, 2.1rem); line-height: 1.25; color: var(--c-white); }
.badge-note { color: var(--c-grey); font-size: .8rem; max-width: 42ch; }

/* 7. ESTÚDIO / GALERIA */
.gallery { display: grid; gap: 1rem; grid-template-columns: 1fr; }
.gallery-item { position: relative; display: block; width: 100%; padding: 0; border: 0; background: var(--c-graphite); overflow: hidden; aspect-ratio: 4 / 3; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .5s; filter: brightness(.85); }
.gallery-item:hover img, .gallery-item:focus-visible img { transform: scale(1.05); filter: brightness(1); }
.gallery-item::after { content: ""; position: absolute; inset: 10px; border: 1px solid var(--line); pointer-events: none; }

/* 8. SERVIÇOS */
.services-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.service { background: var(--c-graphite); padding: var(--sp-4) var(--sp-3); position: relative; transition: background .4s var(--ease); }
.service:hover { background: #1b1b24; }
.service-num { position: absolute; top: var(--sp-3); right: var(--sp-3); font-family: var(--f-title); font-size: 1.2rem; color: var(--c-grey); }
.service-icon { width: 46px; height: 46px; fill: none; stroke: var(--c-gold); stroke-width: 1.2; stroke-linecap: round; margin-bottom: var(--sp-3); }
.service h3 { font-family: var(--f-title); font-weight: 500; font-size: 1.7rem; line-height: 1.15; margin-bottom: var(--sp-1); }
.service p { color: var(--c-grey-light); font-size: .95rem; }

/* 9. PORTFÓLIO */
.filters { display: flex; flex-wrap: wrap; gap: .6rem; margin-bottom: var(--sp-4); }
.chip { min-height: 44px; padding: .5rem 1.2rem; background: transparent; border: 1px solid var(--line); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--c-grey-light); transition: all .3s var(--ease); }
.chip:hover { border-color: var(--c-gold); color: var(--c-white); }
.chip[aria-pressed="true"] { background: var(--c-gold); border-color: var(--c-gold); color: var(--c-black); }

.works-grid { display: grid; gap: 1.5rem 1rem; grid-template-columns: repeat(2, 1fr); }
.work { display: block; width: 100%; text-align: left; background: none; border: 0; padding: 0; }
.work-cover { position: relative; aspect-ratio: 1; overflow: hidden; background: var(--c-graphite); }
.work-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.work-cover::before { content: ""; position: absolute; inset: 0; background: rgba(9,9,13,.62); opacity: 0; transition: opacity .4s var(--ease); z-index: 1; }
.work-play { position: absolute; z-index: 2; left: 50%; top: 50%; width: 64px; height: 64px; margin: -32px 0 0 -32px; border-radius: 50%; border: 1px solid var(--c-gold); background: rgba(9,9,13,.55); display: grid; place-items: center; opacity: 0; transform: scale(.85); transition: all .4s var(--ease); }
.work-play svg { width: 20px; height: 20px; fill: var(--c-gold); margin-left: 3px; }
.work:hover .work-cover img, .work:focus-visible .work-cover img { transform: scale(1.06); }
.work:hover .work-cover::before, .work:focus-visible .work-cover::before { opacity: 1; }
.work:hover .work-play, .work:focus-visible .work-play { opacity: 1; transform: scale(1); }
.work-info { padding-top: var(--sp-2); }
.work-title { font-family: var(--f-title); font-size: 1.35rem; line-height: 1.2; }
.work-artist { color: var(--c-grey-light); font-size: .9rem; }
.work-type { margin-top: .3rem; font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; color: var(--c-gold); }

.empty { grid-column: 1 / -1; padding: var(--sp-4); border: 1px dashed var(--line); color: var(--c-grey-light); }

/* 10. LANÇAMENTOS */
.releases-list { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
.release { display: grid; grid-template-columns: 110px 1fr; gap: 1.2rem; align-items: center; padding: 1rem; border: 1px solid var(--line); background: var(--c-black); transition: border-color .3s; }
.release:hover { border-color: var(--c-gold); }
.release img { width: 110px; height: 110px; object-fit: cover; }
.release h3 { font-family: var(--f-title); font-weight: 500; font-size: 1.4rem; line-height: 1.2; }
.release-meta { color: var(--c-grey-light); font-size: .85rem; }
.release .btn { margin-top: .8rem; }
.releases-more { margin-top: var(--sp-4); }

/* 11. IDENTIDADE */
.identity { position: relative; padding-block: var(--sp-6); overflow: hidden; }
.identity-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.identity-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(9,9,13,.85), rgba(9,9,13,.6)); }
.identity-content { position: relative; max-width: 780px; margin-inline: auto 0; text-align: left; }

/* 12. PLATAFORMAS */
.platform-list { display: grid; grid-template-columns: 1fr; border-top: 1px solid var(--line); }
.platform-list a { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; padding: 1rem .2rem; border-bottom: 1px solid var(--line); transition: padding .35s var(--ease), color .3s; }
.platform-list a:hover { padding-left: 1rem; color: var(--c-gold); }
.platform-name { font-family: var(--f-title); font-size: 1.5rem; }
.platform-desc { font-size: .75rem; letter-spacing: .14em; text-transform: uppercase; color: var(--c-grey); }
.platform-arrow { width: 22px; height: 22px; stroke: var(--c-gold); fill: none; stroke-width: 1.4; flex: none; }

/* 13. CONTATO */
.contact { background: radial-gradient(ellipse at 15% 20%, var(--c-night), var(--c-black) 65%); border-top: 1px solid var(--line); padding-block: var(--sp-6); }
.contact-grid { display: grid; gap: var(--sp-5); }
.contact-actions { margin-top: var(--sp-4); }
.contact-links { margin-top: var(--sp-4); display: grid; gap: .3rem; color: var(--c-grey-light); }
.contact-links a { display: inline-block; min-height: 40px; padding-block: .4rem; border-bottom: 1px solid var(--line); }
.contact-links a:hover { color: var(--c-gold); }

.form { background: rgba(21,21,28,.8); border: 1px solid var(--line); padding: var(--sp-4) var(--sp-3); }
.form h3 { font-family: var(--f-title); font-weight: 500; font-size: 1.8rem; margin-bottom: var(--sp-3); }
.field { margin-bottom: var(--sp-3); }
.field label { display: block; font-size: .75rem; letter-spacing: .16em; text-transform: uppercase; color: var(--c-grey-light); margin-bottom: .4rem; }
.field input, .field select, .field textarea { width: 100%; min-height: 48px; padding: .75rem .9rem; background: var(--c-black); border: 1px solid #34343f; border-radius: 0; transition: border-color .3s; }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--c-gold); outline: none; box-shadow: 0 0 0 1px var(--c-gold); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: #e08a7a; }
.error { color: #f0a597; font-size: .82rem; min-height: 0; margin-top: .3rem; }
.form-hint { margin-top: var(--sp-2); font-size: .78rem; color: var(--c-grey); }
.form-result { margin-top: var(--sp-3); padding: var(--sp-3); border: 1px solid var(--c-gold); }
.form-result pre { white-space: pre-wrap; word-break: break-word; font-family: var(--f-text); font-size: .9rem; color: var(--c-grey-light); margin: var(--sp-2) 0; }
.form-result-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

/* 14. RODAPÉ */
.footer { background: var(--c-black); border-top: 1px solid var(--line); padding-top: var(--sp-5); }
.footer-grid { display: grid; gap: var(--sp-4); }
.footer-tag { margin-top: var(--sp-2); color: var(--c-grey); font-size: .9rem; max-width: 34ch; }
.footer-links, .footer-social { display: grid; gap: .1rem; }
.footer-links a, .footer-social a { display: inline-block; min-height: 40px; padding-block: .5rem; color: var(--c-grey-light); font-size: .92rem; }
.footer-links a:hover, .footer-social a:hover { color: var(--c-gold); }
.footer-bottom { margin-top: var(--sp-4); padding-block: var(--sp-3); border-top: 1px solid rgba(255,255,255,.07); font-size: .8rem; color: var(--c-grey); }

/* 15. LIGHTBOX / MODAL / FAB */
.lightbox, .modal { position: fixed; inset: 0; z-index: 300; background: rgba(5,5,8,.94); display: grid; place-items: center; padding: 1rem; }
.lightbox[hidden], .modal[hidden] { display: none; }
.lightbox figure { margin: 0; max-width: min(92vw, 1200px); }
.lightbox img { max-height: 78vh; width: auto; margin-inline: auto; object-fit: contain; }
.lightbox figcaption { margin-top: .8rem; text-align: center; color: var(--c-grey-light); font-size: .85rem; }
.lb-close, .lb-prev, .lb-next, .modal-close { position: absolute; width: 52px; height: 52px; background: rgba(9,9,13,.7); border: 1px solid var(--line); color: var(--c-white); font-size: 1.8rem; line-height: 1; display: grid; place-items: center; transition: border-color .3s, color .3s; }
.lb-close:hover, .lb-prev:hover, .lb-next:hover, .modal-close:hover { border-color: var(--c-gold); color: var(--c-gold); }
.lb-close { top: 1rem; right: 1rem; }
.lb-prev { left: .6rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: .6rem; top: 50%; transform: translateY(-50%); }
.modal-box { position: relative; width: min(100%, 720px); max-height: 92vh; overflow: auto; background: var(--c-graphite); border: 1px solid var(--line); padding: var(--sp-4) var(--sp-3) var(--sp-3); }
.modal-close { top: .6rem; right: .6rem; }
.modal-body img { width: min(100%, 320px); aspect-ratio: 1; object-fit: cover; margin-bottom: var(--sp-2); }
.modal-body h3 { font-family: var(--f-title); font-weight: 500; font-size: 2rem; line-height: 1.1; }
.modal-body p { color: var(--c-grey-light); margin-top: .4rem; }
.modal-body iframe { width: 100%; height: 166px; border: 0; margin-top: var(--sp-2); }
.modal-actions { margin-top: var(--sp-3); display: flex; flex-wrap: wrap; gap: .8rem; }

.fab { position: fixed; right: 1rem; bottom: 1rem; z-index: 90; width: 56px; height: 56px; display: grid; place-items: center; background: var(--c-gold); color: var(--c-black); border-radius: 50%; box-shadow: 0 8px 28px rgba(0,0,0,.5); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .35s var(--ease), transform .35s var(--ease); }
.fab.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.fab svg { width: 26px; height: 26px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }

/* 16. ANIMAÇÕES */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-hero { opacity: 0; animation: heroIn 1s var(--ease) forwards; }
.reveal-hero:nth-child(2) { animation-delay: .12s; }
.reveal-hero:nth-child(3) { animation-delay: .24s; }
.reveal-hero:nth-child(4) { animation-delay: .36s; }
@keyframes heroIn { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes scrollLine { 0% { transform: translateY(-100%); } 100% { transform: translateY(260%); } }
.js-off .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal, .reveal-hero { opacity: 1; transform: none; }
}

/* 17. RESPONSIVO (mobile-first) */
@media (min-width: 640px) {
  .works-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem 1.2rem; }
  .gallery { grid-template-columns: repeat(6, 1fr); grid-auto-rows: 180px; }
  .gallery-item { aspect-ratio: auto; }
  .gallery-item:nth-child(1) { grid-column: span 4; grid-row: span 2; }
  .gallery-item:nth-child(2) { grid-column: span 2; grid-row: span 1; }
  .gallery-item:nth-child(3) { grid-column: span 2; grid-row: span 1; }
  .services-list { grid-template-columns: repeat(2, 1fr); }
  .releases-list { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 980px) {
  .section { padding-block: var(--sp-6); }
  .nav-toggle { display: none; }
  .nav { position: static; inset: auto; flex-direction: row; background: none; opacity: 1; visibility: visible; padding: 0; gap: 1.8rem; transition: none; }
  .nav-list { flex-direction: row; gap: 0; }
  .nav-list a { font-family: var(--f-text); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; padding: .8rem .8rem; position: relative; }
  .nav-list a::after { content: ""; position: absolute; left: .8rem; right: .8rem; bottom: .5rem; height: 1px; background: var(--c-gold); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
  .nav-list a:hover::after, .nav-list a.is-active::after { transform: scaleX(1); }
  .nav-list a:hover, .nav-list a.is-active { color: var(--c-white); }
  .atmos-grid { grid-template-columns: 1.3fr 1fr; gap: var(--sp-6); }
  .atmos-rings { right: -8%; }
  .gallery { grid-auto-rows: 230px; }
  .services-list { grid-template-columns: repeat(4, 1fr); }
  .works-grid { grid-template-columns: repeat(4, 1fr); }
  .releases-list { grid-template-columns: repeat(3, 1fr); }
  .release { grid-template-columns: 1fr; }
  .release img { width: 100%; height: auto; aspect-ratio: 1; }
  .platform-list { grid-template-columns: repeat(2, 1fr); column-gap: var(--sp-5); }
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .form { padding: var(--sp-4); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .fab { right: 2rem; bottom: 2rem; }
}