/* ============ TOKENS ============ */
:root{
  color-scheme: light;
  --bg: #F3EEE4;
  --bg-raised: #ece5d5;
  --ink: #1B1A18;
  --ink-soft: rgba(27,26,24,.62);
  --ink-faint: rgba(27,26,24,.38);
  --gold: #B08D57;
  --gold-line: rgba(176,141,87,.4);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --ease: cubic-bezier(.16,.84,.44,1);
  --header-h: 76px;
}

@media (prefers-color-scheme: dark){
  :root{
    color-scheme: light;
    --bg: #F3EEE4;
    --bg-raised: #ece5d5;
    --ink: #1B1A18;
    --ink-soft: rgba(27,26,24,.62);
    --ink-faint: rgba(27,26,24,.38);
    --gold: #B08D57;
    --gold-line: rgba(176,141,87,.4);
  }
}

*{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; }
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-weight:400;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
ul{ list-style:none; }
button{ font:inherit; background:none; border:none; cursor:pointer; color:inherit; }
::selection{ background:var(--gold); color:#fff; }

.grain{
  position:fixed; inset:0; z-index:9998; pointer-events:none;
  opacity:.035; mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.reveal{ opacity:0; transform:translateY(28px); transition:opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in-view{ opacity:1; transform:translateY(0); }

.section-tag{
  display:inline-block; font-family:var(--sans); font-size:.72rem; letter-spacing:.18em;
  text-transform:uppercase; color:var(--gold); font-weight:600; margin-bottom:1rem;
}
.section-tag.light{ color:#e6c99a; }
.section-title{
  font-family:var(--serif); font-weight:500; font-size:clamp(2.2rem,5.5vw,3.6rem);
  letter-spacing:-.01em; margin-bottom:1.5rem;
}

/* ============ HEADER ============ */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:400;
  height:var(--header-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 clamp(1.25rem,4vw,3rem);
  transition:background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled, body.nav-open .site-header{
  background:rgba(243,238,228,.86); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border-color:rgba(27,26,24,.08);
}
.brand{
  position:relative; display:inline-block;
  font-family:var(--serif); font-size:1.15rem; font-weight:600; letter-spacing:.01em;
  color:#fff; transition:color .4s var(--ease);
  padding:0 .6em;
}
.brand::before, .brand::after{
  content:''; position:absolute; width:7px; height:7px;
  border:1px solid currentColor; opacity:.55;
}
.brand::before{ top:-5px; left:-1px; border-width:1px 0 0 1px; }
.brand::after{ bottom:-5px; right:-1px; border-width:0 1px 1px 0; }
.site-header.scrolled .brand, body.nav-open .brand{ color:var(--ink); }
.main-nav{ display:none; gap:1.8rem; }
.nav-link{
  font-size:.86rem; letter-spacing:.03em; color:#fff; position:relative;
  padding:.4rem .55rem; transition:color .4s var(--ease);
}
.site-header.scrolled .nav-link, body.nav-open .nav-link{ color:var(--ink); }
.nav-link::before, .nav-link::after{
  content:''; position:absolute; width:7px; height:7px; border:1px solid var(--gold);
  opacity:0; transition:opacity .3s var(--ease), transform .3s var(--ease);
}
.nav-link::before{ top:0; left:0; border-width:1px 0 0 1px; transform:translate(3px,3px); }
.nav-link::after{ bottom:0; right:0; border-width:0 1px 1px 0; transform:translate(-3px,-3px); }
.nav-link:hover::before, .nav-link:hover::after{ opacity:1; transform:translate(0,0); }

.nav-toggle{
  display:flex; flex-direction:column; gap:5px; width:26px; z-index:401;
}
.nav-toggle span{
  display:block; height:1.5px; background:#fff; transition:all .4s var(--ease);
}
.site-header.scrolled .nav-toggle span{ background:var(--ink); }
.nav-toggle[aria-expanded="true"] span{ background:var(--ink); }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }

.mobile-nav{
  position:fixed; inset:0; z-index:390; background:var(--bg);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:1.6rem;
  opacity:0; visibility:hidden; transform:translateY(-12px);
  transition:opacity .45s var(--ease), transform .45s var(--ease), visibility 0s linear .45s;
}
.mobile-nav.open{ opacity:1; visibility:visible; transform:translateY(0); transition:opacity .45s var(--ease), transform .45s var(--ease); }
.mobile-nav-link{ font-family:var(--serif); font-size:2rem; font-weight:500; }
.mobile-nav-cta{
  margin-top:1rem; border:1px solid var(--gold); color:var(--gold);
  padding:.85rem 2rem; border-radius:100px; font-size:.85rem; letter-spacing:.04em;
}

/* ============ HERO ============ */
.hero{
  position:relative; height:100svh; min-height:520px; overflow:hidden;
  display:flex; align-items:flex-end;
}
.hero-media{ position:absolute; inset:0; }
.hero-img{ width:100%; height:100%; object-fit:cover; object-position:center 65%; }
.hero-scrim{
  position:absolute; inset:0;
  background:
    linear-gradient(0deg, rgba(10,9,8,.82) 0%, rgba(10,9,8,.35) 42%, rgba(10,9,8,.15) 65%, rgba(10,9,8,.42) 100%);
}
.hero-watermark{
  position:absolute; left:50%; bottom:-6vw; transform:translateX(-50%);
  font-family:var(--serif); font-weight:600; font-style:italic;
  font-size:clamp(6rem,26vw,20rem); color:rgba(255,255,255,.07);
  white-space:nowrap; pointer-events:none; z-index:1; letter-spacing:-.02em; line-height:1;
}
.hero-content{
  position:relative; z-index:2; width:100%;
  padding:0 clamp(1.25rem,4vw,3rem) clamp(3.5rem,9vw,6.5rem);
  color:#fff;
}
.hero-eyebrow{
  font-size:.78rem; letter-spacing:.18em; text-transform:uppercase; color:#e6c99a; margin-bottom:1.1rem;
}
.hero-headline{
  font-family:var(--serif); font-weight:500; font-size:clamp(2.1rem,6.4vw,4.6rem);
  line-height:1.08; letter-spacing:-.01em; max-width:16ch;
}
.hero-scroll{
  display:inline-flex; align-items:center; gap:.6rem; margin-top:2.5rem;
  font-size:.8rem; letter-spacing:.05em; color:#fff; opacity:.85;
}
.hero-scroll svg{ animation:bob 2.2s ease-in-out infinite; }
@keyframes bob{ 0%,100%{ transform:translateY(0);} 50%{ transform:translateY(5px);} }

/* ============ SOBRE ============ */
.sobre{
  max-width:1280px; margin:0 auto;
  padding:clamp(5rem,12vw,8rem) clamp(1.25rem,4vw,3rem);
  display:grid; gap:3rem;
}
.sobre-photo{
  aspect-ratio:4/5; overflow:hidden; border-radius:2px; background:var(--bg-raised);
  max-width:420px;
}
.sobre-photo img{ width:100%; height:100%; object-fit:cover; filter:grayscale(28%) contrast(1.03); }
.sobre-text{
  color:var(--ink-soft); font-size:1rem; line-height:1.75; margin-bottom:1.15rem; max-width:56ch;
}
.sobre-text strong{ color:var(--ink); font-weight:600; }
.sobre-text--lead{ color:var(--ink); font-weight:600; }
.sobre-services{ margin:1.5rem 0 0; max-width:56ch; }
.sobre-services-lead{
  color:var(--ink); font-size:1rem; font-weight:600; margin-bottom:.9rem;
}
.sobre-services-list{ display:flex; flex-direction:column; gap:.6rem; }
.sobre-services-list li{
  position:relative; padding-left:1.5rem;
  color:var(--ink-soft); font-size:.95rem; line-height:1.5;
}
.sobre-services-list li::before{
  content:''; position:absolute; left:0; top:.7em;
  width:16px; height:1px; background:var(--gold);
}
.ficha{
  margin-top:2.2rem; border-top:1px solid var(--gold-line);
}
.ficha li{
  padding:1rem 0; border-bottom:1px solid var(--gold-line);
  display:flex; flex-direction:column; gap:.15rem; font-size:.95rem;
}
.ficha-label{
  font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:var(--gold); font-weight:600;
}

/* ============ PORTFOLIO ============ */
.portfolio{
  position:relative;
  padding:clamp(4rem,10vw,7rem) clamp(1.25rem,4vw,3rem) clamp(5rem,10vw,7rem);
  max-width:1280px; margin:0 auto;
}
.portfolio-heading{ margin-bottom:2rem; }
.portfolio-hint{ color:var(--ink-faint); font-size:.85rem; }
.portfolio-list{ border-top:1px solid var(--gold-line); }

.portfolio-row{
  border-bottom:1px solid var(--gold-line);
  cursor:pointer;
}
.portfolio-row-inner{
  display:flex; align-items:center; gap:clamp(1rem,3vw,2rem);
  padding:1.5rem 0; transition:padding .4s var(--ease);
}
.portfolio-index{
  font-size:.78rem; color:var(--ink-faint); font-variant-numeric:tabular-nums; width:1.6rem; flex-shrink:0;
}
.portfolio-thumb-mobile{
  width:56px; height:56px; border-radius:2px; overflow:hidden; flex-shrink:0; background:var(--bg-raised);
}
.portfolio-thumb-mobile img{ width:100%; height:100%; object-fit:cover; }
.portfolio-name{
  font-family:var(--serif); font-weight:500; font-size:clamp(1.5rem,4.4vw,2.6rem);
  letter-spacing:-.01em; flex:1; transition:color .4s var(--ease), transform .4s var(--ease);
}
.portfolio-tags{ display:none; gap:.5rem; flex-shrink:0; }
.portfolio-tags span{
  font-size:.7rem; letter-spacing:.06em; text-transform:uppercase; color:var(--gold);
  border:1px solid var(--gold-line); border-radius:100px; padding:.35rem .8rem; white-space:nowrap;
}
.portfolio-arrow{
  font-family:var(--serif); font-size:1.6rem; color:var(--ink-faint); flex-shrink:0;
  transform:translateX(-6px) rotate(-45deg); opacity:0; transition:all .4s var(--ease);
}

.portfolio-float{
  position:fixed; top:0; left:0; width:min(30vw,340px); aspect-ratio:4/5;
  pointer-events:none; z-index:60; border-radius:2px; overflow:hidden;
  opacity:0; transform:translate(-50%,-50%) scale(.92);
  transition:opacity .4s var(--ease), transform .6s var(--ease);
  box-shadow:0 30px 60px -20px rgba(0,0,0,.35);
}
.portfolio-float.active{ opacity:1; transform:translate(-50%,-50%) scale(1); }
.portfolio-float img{ width:100%; height:100%; object-fit:cover; }

/* ============ CLIENTES ============ */
.clientes{
  max-width:1280px; margin:0 auto;
  padding:clamp(4rem,10vw,7rem) clamp(1.25rem,4vw,3rem);
}
.clients-grid{
  --cols:2;
  display:flex; flex-wrap:wrap; justify-content:center; align-content:flex-start;
  margin-top:2.5rem;
}
@media (min-width:640px){
  .clients-grid{ --cols:3; }
}
@media (min-width:900px){
  .clients-grid{ --cols:6; }
}
.client-card{
  position:relative; background:var(--bg);
  width:calc(100% / var(--cols)); aspect-ratio:1/1;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  padding:.8rem;
  border:1px solid rgba(27,26,24,.14); margin:0 -1px -1px 0;
  box-sizing:border-box;
  text-align:center;
}
.client-card--linked{ cursor:pointer; }
.client-index{
  position:absolute; top:.7rem; left:.8rem;
  font-size:.68rem; color:var(--ink-faint); font-variant-numeric:tabular-nums; letter-spacing:.04em;
}
.client-mark{
  flex:1; width:100%; display:flex; align-items:center; justify-content:center; padding:1.1rem 0 .4rem;
}
.client-mark img{
  max-width:100%; max-height:100%; object-fit:contain;
  transition:transform .5s var(--ease);
}
.client-caption{ display:flex; flex-direction:column; align-items:center; gap:.15rem; }
.client-name{
  font-size:.72rem; font-weight:600; letter-spacing:.01em;
  transition:color .4s var(--ease);
}
.client-cat{
  font-size:.64rem; color:var(--ink-faint); letter-spacing:.02em;
}
@media (hover:hover){
  .client-card--linked:hover .client-mark img{ transform:scale(1.06); }
  .client-card--linked:hover .client-name{ color:var(--gold); }
}

/* ============ CONTATO ============ */
.contato{
  position:relative; overflow:hidden;
  background:var(--ink); color:#fff;
  padding:clamp(4.5rem,12vw,8rem) clamp(1.25rem,4vw,3rem);
}
.contato-watermark{
  position:absolute; right:-4vw; top:50%; transform:translateY(-50%);
  font-family:var(--serif); font-style:italic; font-weight:600;
  font-size:clamp(5rem,20vw,14rem); color:rgba(255,255,255,.045);
  white-space:nowrap; pointer-events:none;
}
.contato-title{
  font-family:var(--serif); font-weight:500; font-size:clamp(2rem,6vw,3.6rem);
  line-height:1.12; letter-spacing:-.01em; margin-bottom:3rem; position:relative;
}
.contato-grid{
  display:grid; gap:0; border-top:1px solid rgba(255,255,255,.18); position:relative;
}
.contato-item{
  display:flex; flex-direction:column; gap:.4rem; padding:1.5rem 0;
  border-bottom:1px solid rgba(255,255,255,.18);
  transition:padding-left .35s var(--ease), color .35s var(--ease);
}
a.contato-item:hover{ padding-left:.6rem; color:#e6c99a; }
.contato-label{ font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:#e6c99a; }
.contato-value{ font-size:1.15rem; font-family:var(--serif); }

/* ============ FOOTER ============ */
.site-footer{
  display:flex; flex-direction:column; gap:.4rem;
  padding:2rem clamp(1.25rem,4vw,3rem); background:var(--ink); color:rgba(255,255,255,.45);
  font-size:.78rem; border-top:1px solid rgba(255,255,255,.1);
}

/* ============ WHATSAPP FLOAT ============ */
.whatsapp-float{
  position:fixed; right:1.25rem; bottom:1.25rem; z-index:300;
  width:34px; height:34px; border-radius:50%; background:#25D366; color:#fff;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px -6px rgba(37,211,102,.55);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.whatsapp-float:hover{ transform:scale(1.08); box-shadow:0 14px 32px -6px rgba(37,211,102,.7); }

/* ============ INSTAGRAM FLOAT ============ */
.instagram-float{
  position:fixed; right:1.25rem; bottom:3.75rem; z-index:300;
  width:34px; height:34px; border-radius:50%; color:#fff;
  background:radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 26px -6px rgba(214,36,159,.5);
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.instagram-float:hover{ transform:scale(1.08); box-shadow:0 14px 32px -6px rgba(214,36,159,.65); }

/* ============ CASE OVERLAY ============ */
.case-overlay{
  position:fixed; inset:0; z-index:500; background:var(--bg);
  opacity:0; visibility:hidden; transform:translateY(3%);
  transition:opacity .55s var(--ease), transform .55s var(--ease), visibility 0s linear .55s;
  overflow-y:auto; -webkit-overflow-scrolling:touch;
}
.case-overlay.open{
  opacity:1; visibility:visible; transform:translateY(0);
  transition:opacity .55s var(--ease), transform .55s var(--ease);
}
.case-watermark{
  position:absolute; top:6vw; left:50%; transform:translateX(-50%);
  font-family:var(--serif); font-weight:600; font-size:clamp(4rem,17vw,13rem);
  color:rgba(176,141,87,.09); white-space:nowrap; pointer-events:none; z-index:0; line-height:1;
}
.case-inner{ position:relative; z-index:1; max-width:1280px; margin:0 auto; padding:6.5rem clamp(1.25rem,4vw,3rem) 6rem; }
.case-head{ margin-bottom:2.5rem; }
.case-index{ font-size:.78rem; letter-spacing:.1em; color:var(--gold); }
.case-title{
  font-family:var(--serif); font-weight:500; font-size:clamp(2.4rem,7vw,4.6rem);
  letter-spacing:-.01em; margin:.4rem 0 1rem;
}
.case-tags{ display:flex; gap:.5rem; flex-wrap:wrap; }
.case-tags span{
  font-size:.7rem; letter-spacing:.06em; text-transform:uppercase; color:var(--gold);
  border:1px solid var(--gold-line); border-radius:100px; padding:.35rem .8rem;
}
.case-video-row{
  display:flex; flex-direction:column; gap:.6rem; margin-bottom:2.5rem;
}
.case-video-frame{
  position:relative; width:100%; max-width:380px; margin:0 auto;
  aspect-ratio:var(--video-ratio,9/16); overflow:hidden; border-radius:2px; background:var(--bg-raised);
}
.case-video-frame iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; }
.case-video-side{ display:none; }
.case-gallery{
  display:grid; grid-template-columns:1fr; gap:.6rem;
}
.case-gallery figure{ overflow:hidden; border-radius:2px; cursor:zoom-in; background:var(--bg-raised); }
.case-gallery img{
  width:100%; height:100%; object-fit:cover; aspect-ratio:4/3;
  transition:transform .6s var(--ease); will-change:transform;
}
.case-gallery figure:hover img{ transform:scale(1.045); }
.case-gallery figure:nth-child(3n+1){ grid-column:span 1; }

.case-more{ margin-top:4rem; padding-top:2.5rem; border-top:1px solid var(--gold-line); }
.case-more-label{
  display:block; font-size:.72rem; letter-spacing:.18em; text-transform:uppercase;
  color:var(--gold); font-weight:600; margin-bottom:1.25rem;
}
.case-more-list{ display:flex; flex-direction:column; }
.case-more-item{
  display:flex; align-items:center; gap:1rem; padding:1rem 0;
  border-bottom:1px solid var(--gold-line); cursor:pointer;
}
.case-more-thumb{
  width:56px; height:56px; border-radius:2px; overflow:hidden; flex-shrink:0; background:var(--bg-raised);
}
.case-more-thumb img{ width:100%; height:100%; object-fit:cover; }
.case-more-name{
  font-family:var(--serif); font-weight:500; font-size:clamp(1.15rem,3vw,1.5rem);
  flex:1; transition:color .3s var(--ease);
}
.case-more-arrow{
  font-family:var(--serif); font-size:1.3rem; color:var(--ink-faint);
  transition:transform .3s var(--ease);
}
.case-more-item:hover .case-more-name{ color:var(--gold); }
.case-more-item:hover .case-more-arrow{ transform:translate(3px,-3px); }

/* ============ LIGHTBOX ============ */
.lightbox{
  position:fixed; inset:0; z-index:600; background:rgba(10,9,8,.97);
  display:flex; align-items:center; justify-content:center;
  opacity:0; visibility:hidden; transition:opacity .4s var(--ease), visibility 0s linear .4s;
}
.lightbox.open{ opacity:1; visibility:visible; transition:opacity .4s var(--ease); }
.lightbox-stage{ width:100%; height:100%; display:flex; align-items:center; justify-content:center; padding:4rem 1rem; }
.lightbox-stage img{
  max-width:100%; max-height:100%; object-fit:contain;
  box-shadow:0 30px 80px -20px rgba(0,0,0,.6);
}
.lightbox-nav{
  position:absolute; top:50%; transform:translateY(-50%); z-index:2;
  width:48px; height:48px; display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:2rem; font-family:var(--serif); opacity:.7; transition:opacity .3s;
}
.lightbox-nav:hover{ opacity:1; }
.lightbox-prev{ left:.5rem; } .lightbox-next{ right:.5rem; }
.lightbox-counter{
  position:absolute; bottom:1.5rem; left:50%; transform:translateX(-50%);
  color:rgba(255,255,255,.6); font-size:.78rem; letter-spacing:.08em;
}

.overlay-close{
  position:fixed; top:1.25rem; right:1.25rem; z-index:610;
  width:44px; height:44px; display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; color:var(--ink); background:rgba(243,238,228,.9); border-radius:50%;
  transition:transform .3s var(--ease);
}
.lightbox .overlay-close{ color:#fff; background:rgba(255,255,255,.12); }
.overlay-close:hover{ transform:rotate(90deg); }

body.no-scroll{ overflow:hidden; height:100%; }

/* ============ RESPONSIVE ============ */
@media (min-width:640px){
  .case-gallery{ grid-template-columns:repeat(2,1fr); }
}

@media (min-width:768px){
  .sobre{ grid-template-columns:.85fr 1.15fr; align-items:start; }
  .sobre-photo{ position:sticky; top:calc(var(--header-h) + 2rem); }
  .ficha li{ border-bottom:1px solid var(--gold-line); }
  .contato-grid{ grid-template-columns:1fr 1fr; column-gap:3rem; }
}

@media (min-width:900px){
  .main-nav{ display:flex; }
  .nav-toggle{ display:none; }
  .mobile-nav{ display:none; }

  .portfolio-tags{ display:flex; }
  .portfolio-thumb-mobile{ display:none; }
  .portfolio-row-inner:hover{ padding-left:1.25rem; }
  .portfolio-row-inner:hover .portfolio-name{ color:var(--gold); transform:translateX(4px); }
  .portfolio-row-inner:hover .portfolio-arrow{ opacity:1; transform:translateX(0) rotate(-45deg); }

  .case-gallery{ grid-template-columns:repeat(3,1fr); }
  .case-gallery figure:nth-child(5n+1){ grid-column:span 2; aspect-ratio:8/3; }
  .case-gallery figure:nth-child(5n+1) img{ aspect-ratio:8/3; }

  .case-video-row{ flex-direction:row; align-items:stretch; height:min(70vh,620px); }
  .case-video-frame{ width:auto; height:100%; max-width:none; margin:0; flex-shrink:0; }
  .case-video-side{
    display:block; flex:1; height:100%; overflow:hidden; border-radius:2px; background:var(--bg-raised);
  }
  .case-video-side img{ width:100%; height:100%; object-fit:cover; }
}


@media (pointer:coarse){
  .portfolio-float{ display:none; }
}

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  .reveal{ transition:none; opacity:1; transform:none; }
  .hero-scroll svg{ animation:none; }
}