/* ==========================================================================
   christian cravo — folha de estilo única
   Design conforme "CHRISTIAN SITE.pdf"
   ========================================================================== */

:root{
  --bg:#ffffff;
  --ink:#0a0a0a;
  --ink-soft:#3a3a3a;
  --mute:#9b9b9b;
  --line:#c9c9c9;

  --fs-brand:21px;
  --fs-nav:11.5px;
  --fs-sub:10px;
  --fs-title:16px;
  --fs-body:12.5px;
  --fs-cap:10px;

  --pad-x:46px;
  --pad-y:52px;
  --rail:150px;      /* largura da coluna da esquerda */
  --gutter:56px;     /* espaço entre coluna e conteúdo */
  --content-x:calc(var(--pad-x) + var(--rail) + var(--gutter));

  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}

html{-webkit-text-size-adjust:100%}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Helvetica Neue",Helvetica,Arial,"Inter",system-ui,sans-serif;
  font-size:var(--fs-body);
  font-weight:300;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

img{display:block;max-width:100%;height:auto}
[hidden]{display:none !important}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}

::selection{background:#111;color:#fff}

/* --------------------------------------------------------------- marca --- */

.brand{
  position:fixed;
  left:var(--pad-x);
  top:var(--pad-y);
  z-index:60;
  font-size:var(--fs-brand);
  font-weight:200;
  letter-spacing:-.015em;
  line-height:1;
  white-space:nowrap;
}
.brand b{font-weight:700}

/* ----------------------------------------------------------- navegação --- */

.rail{
  position:fixed;
  left:var(--pad-x);
  top:calc(var(--pad-y) + 74px);
  width:var(--rail);
  z-index:55;
}

.nav{list-style:none;margin:0;padding:0}
.nav > li{margin:0}

.nav a{
  display:block;
  font-size:var(--fs-nav);
  line-height:1.55;
  color:var(--mute);
  transition:color .2s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav li.is-active > a{color:var(--ink);font-weight:700}

/* sub-lista de séries do portfólio */
.nav .series{
  list-style:none;
  margin:0;
  padding:0 0 0 9px;
  overflow:hidden;
  max-height:0;
  opacity:0;
  transition:max-height .35s var(--ease),opacity .25s var(--ease),margin .35s var(--ease);
}
.nav .series.is-open{max-height:200px;opacity:1;margin:2px 0 8px}
.nav .series a{
  font-size:var(--fs-sub);
  line-height:1.6;
  color:var(--mute);
}
.nav .series li.is-active > a{
  color:var(--ink);
  font-weight:600;
  display:inline-block;
  border:1px solid var(--ink);
  padding:0 4px;
  margin-left:-5px;
  line-height:1.35;
}

.social{margin-top:26px}
.social a{display:inline-block;color:var(--ink);opacity:.85;transition:opacity .2s var(--ease)}
.social a:hover{opacity:1}
.social svg{display:block}

/* prev / next fixos no rodapé da coluna */
.rail-foot{
  position:fixed;
  left:var(--pad-x);
  bottom:calc(var(--pad-y) + 6px);
  width:var(--rail);
  z-index:55;
}
.arrows{display:flex;gap:22px;margin-bottom:12px}
.arrows button{
  font-size:22px;
  font-weight:200;
  line-height:1;
  color:var(--mute);
  transition:color .2s var(--ease);
}
.arrows button:hover{color:var(--ink)}
.arrows button[disabled]{opacity:.25;cursor:default}
.rail-foot .label{font-size:var(--fs-cap);color:var(--mute);line-height:1.6}
.rail-foot .label button{display:block;color:var(--mute);transition:color .2s var(--ease)}
.rail-foot .label button:hover{color:var(--ink)}

/* scroller vertical do texto (setas ▲ ▼) */
.scroller{
  position:fixed;
  left:var(--pad-x);
  bottom:calc(var(--pad-y) + 6px);
  z-index:55;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.scroller button{color:var(--line);line-height:.8;font-size:13px;transition:color .2s var(--ease)}
.scroller button:hover{color:var(--ink)}

/* ------------------------------------------------------------ conteúdo --- */

.content{
  margin-left:var(--content-x);
  padding:var(--pad-y) var(--pad-x) 72px 0;
  min-height:100vh;
}

.page-title{
  font-size:var(--fs-title);
  font-weight:700;
  letter-spacing:-.01em;
  line-height:1;
  text-align:right;
  margin:0 0 34px;
}

/* --------------------------------------------------------------- home --- */

body.home{overflow:hidden}
.splash{position:fixed;inset:0;background:var(--bg)}
.splash img{
  width:100%;height:100%;
  object-fit:contain;        /* a foto inteira, sem corte, ajustada à tela */
  object-position:center;
}
.splash .brand{
  position:absolute;
  left:auto;right:12vw;top:50%;
  transform:translateY(-50%);
  font-size:clamp(18px,2vw,26px);
  color:var(--ink);
  z-index:30;
}
.burger{
  position:absolute;
  left:var(--pad-x);top:var(--pad-y);
  z-index:70;
  width:44px;height:24px;
  display:flex;flex-direction:column;justify-content:space-between;
  /* branco sobre a foto, preto sobre o fundo claro */
  mix-blend-mode:difference;
}
.burger span{
  display:block;
  height:5.5px;
  background:#fff;
  border-radius:999px;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.burger.is-open span:nth-child(1){transform:translateY(9.25px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-9.25px) rotate(-45deg)}

.splash-menu{
  position:absolute;
  left:var(--pad-x);
  top:calc(var(--pad-y) + 50px);
  z-index:65;
  opacity:0;visibility:hidden;
  transform:translateY(-6px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.splash-menu.is-open{opacity:1;visibility:visible;transform:none}
.splash-menu{mix-blend-mode:difference}
.splash-menu a{
  display:block;
  font-size:13px;
  line-height:1.9;
  color:#fff;
}
.splash-menu a:hover{opacity:.6}

.splash-enter{position:absolute;inset:0;z-index:20}

/* ---------------------------------------------------------- portfólio --- */

.hero{max-width:1180px}
.hero img{width:100%}

/* texto de abertura da série + miniaturas */
.serie-intro{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:0 46px;
  align-items:start;
}

.essay{
  max-height:calc(100vh - var(--pad-y) - 150px);
  overflow-y:auto;
  padding-right:26px;
  scrollbar-width:none;
}
.essay::-webkit-scrollbar{display:none}
.essay p{margin:0 0 15px;text-align:justify;hyphens:auto}
.essay p:last-child{margin-bottom:0}

.thumbs{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
  align-content:start;
}
.thumbs button{display:block;overflow:hidden;background:#f2f2f2}
.thumbs img{
  width:100%;height:100%;object-fit:cover;
  aspect-ratio:3/2;
  filter:grayscale(0);
  transition:opacity .25s var(--ease);
}
.thumbs button:hover img{opacity:.62}
.thumbs button.tall img{aspect-ratio:2/3}

.empty-note{font-size:var(--fs-cap);color:var(--mute);margin:0}

/* -------------------------------------------------------------- visor --- */

.viewer{display:none}
body.is-viewing .viewer{display:block}
body.is-viewing .serie-intro{display:none}

.stage{
  display:flex;
  align-items:flex-start;
  justify-content:flex-start;
  height:calc(100vh - 250px);
  min-height:320px;
}
.stage img{
  height:100%;
  width:auto;
  max-width:100%;
  object-fit:contain;
  object-position:left top;
  opacity:1;
  transition:opacity .35s var(--ease);
}
.stage.is-fading img{opacity:0}

.caption{
  margin-top:16px;
  font-size:var(--fs-cap);
  line-height:1.55;
  color:var(--ink);
  max-width:420px;
}
.caption span{display:block}

/* -------------------------------------------------------------- sobre --- */

.about{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 46px;
  max-width:1080px;
  align-items:start;
}
.about p{margin:0 0 14px;text-align:justify;hyphens:auto}
.about .portrait{margin:0 0 18px}
.about .portrait img{width:100%}
.about .portrait figcaption{
  font-size:var(--fs-cap);
  color:var(--mute);
  margin-top:8px;
}

/* -------------------------------------------------------------- livros --- */

.books-row{
  display:grid;
  grid-template-columns:repeat(var(--cols,3),minmax(0,1fr));
  gap:34px 40px;
  max-width:1000px;
  margin-bottom:46px;
}
.book .cover{height:190px;margin-bottom:12px}
.book .cover img{
  height:100%;width:100%;
  object-fit:contain;
  object-position:left top;
}
.book h3{margin:0 0 5px;font-size:11.5px;font-weight:600;letter-spacing:0}
.book p{margin:0;font-size:var(--fs-cap);line-height:1.5;color:var(--ink-soft)}

/* -------------------------------------------------------------- filmes --- */

.films{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 26px;
  max-width:900px;
}
.film .poster{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#111;
  margin-bottom:14px;
}
.film .poster img{width:100%;height:100%;object-fit:cover;transition:opacity .3s var(--ease)}
.film .poster:hover img{opacity:.82}
.play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:66px;height:46px;border-radius:11px;
  background:rgba(20,20,20,.72);
  display:flex;align-items:center;justify-content:center;
  transition:background .25s var(--ease);
}
.film .poster:hover .play{background:#e12b23}
.play::after{
  content:"";
  border-style:solid;
  border-width:9px 0 9px 15px;
  border-color:transparent transparent transparent #fff;
  margin-left:3px;
}
.film h3{margin:0 0 6px;font-size:12px;font-weight:600}
.film p{margin:0 0 8px;font-size:var(--fs-cap);line-height:1.55;text-align:justify}
.film .meta{font-style:italic;color:var(--ink-soft);font-size:var(--fs-cap)}

/* lightbox de vídeo */
.lightbox{
  position:fixed;inset:0;z-index:200;
  background:rgba(255,255,255,.97);
  display:flex;align-items:center;justify-content:center;
  padding:60px var(--pad-x);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s;
}
.lightbox.is-open{opacity:1;visibility:visible}
.lightbox .frame{position:relative;width:min(1100px,100%);aspect-ratio:16/9;background:#000}
.lightbox .frame img,.lightbox .frame iframe{width:100%;height:100%;border:0;object-fit:cover}
.lightbox .close{
  position:absolute;right:10px;top:10px;z-index:5;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:300;color:#fff;
  border:1px solid rgba(255,255,255,.85);
}
.lightbox .close:hover{background:#fff;color:#000}

/* ------------------------------------------------------------- contato --- */

.contact{max-width:520px}
.contact dl{margin:0}
.contact dt{font-size:var(--fs-cap);color:var(--mute);margin-top:22px}
.contact dt:first-child{margin-top:0}
.contact dd{margin:2px 0 0;font-size:13px}
.contact dd a{border-bottom:1px solid var(--line);padding-bottom:1px}
.contact dd a:hover{border-color:var(--ink)}

/* ------------------------------------------------------------ celular --- */

.rail-toggle{display:none}

@media (max-width:900px){
  :root{--pad-x:22px;--pad-y:22px}

  .rail-toggle{
    display:flex;flex-direction:column;justify-content:space-between;
    position:fixed;right:var(--pad-x);top:calc(var(--pad-y) + 2px);
    width:32px;height:18px;z-index:80;
  }
  .rail-toggle span{height:4px;background:var(--ink);border-radius:999px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
  .rail-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .rail-toggle.is-open span:nth-child(2){opacity:0}
  .rail-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  .brand{font-size:18px}

  .rail{
    top:0;left:0;width:100%;height:100dvh;
    background:var(--bg);
    overflow-y:auto;
    padding:calc(var(--pad-y) + 46px) var(--pad-x) 26px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  }
  .rail.is-open{opacity:1;visibility:visible;transform:none}
  .nav a{font-size:15px;line-height:2}
  .nav .series a{font-size:13px}

  .content{margin-left:0;padding:calc(var(--pad-y) + 52px) var(--pad-x) 90px}
  .page-title{text-align:left;margin-bottom:22px}

  .serie-intro,.about,.films{grid-template-columns:minmax(0,1fr);gap:26px}
  .essay{max-height:none;overflow:visible;padding-right:0}
  .about .portrait{order:-1}
  .films{gap:40px}

  .scroller{display:none}
  .rail-foot{
    position:static;width:auto;
    display:flex;align-items:center;gap:20px;
    margin-top:20px;
  }
  .rail-foot .label{display:flex;gap:14px}
  .stage{min-height:0}
  .stage img{max-height:70vh}

  .books-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .book .cover{height:150px}

  .splash .brand{right:auto;left:var(--pad-x);top:auto;bottom:12vh;transform:none}
  .lightbox{padding:20px}
}

@media (max-width:520px){
  .thumbs{grid-template-columns:repeat(2,1fr)}
  .books-row{gap:26px 22px}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}