/* ============ Fontes locais (offline) ============ */
@font-face{font-family:'Manrope';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/manrope-latin-400-normal.woff2') format('woff2'),url('../fonts/manrope-latin-ext-400-normal.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/manrope-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/manrope-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/manrope-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:800;font-display:swap;src:url('../fonts/manrope-latin-800-normal.woff2') format('woff2')}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/fraunces-latin-400-normal.woff2') format('woff2'),url('../fonts/fraunces-latin-ext-400-normal.woff2') format('woff2')}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/fraunces-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/fraunces-latin-600-normal.woff2') format('woff2')}

/* ============ Tokens ============ */
:root{
  --bg:#0c1116; --bg-2:#0f1620; --surface:#141d27; --surface-2:#1a2531;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --teal:#3fa6b0; --teal-soft:#2b6e76; --gold:#c4a35a;
  --text:#eef3f6; --muted:#93a4b0; --muted-2:#6b7e8b;
  --sans:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --shadow:0 24px 60px -20px rgba(0,0,0,.7);
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--sans); color:var(--text); background:var(--bg);
  -webkit-font-smoothing:antialiased; line-height:1.55; overflow-x:hidden;
}
body::before{ /* atmosfera de fundo */
  content:""; position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(63,166,176,.16), transparent 60%),
    radial-gradient(700px 500px at 8% 108%, rgba(196,163,90,.07), transparent 55%),
    linear-gradient(180deg,#0c1116,#0a0e13);
}
body::after{ /* grão subtil */
  content:""; position:fixed; inset:0; z-index:-1; opacity:.035; pointer-events:none;
  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'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ============ Topbar ============ */
.topbar{
  position:sticky; top:0; z-index:40; display:flex; align-items:center; justify-content:space-between;
  padding:18px clamp(20px,5vw,56px);
  background:linear-gradient(180deg,rgba(10,14,19,.92),rgba(10,14,19,.55) 70%,transparent);
  backdrop-filter:blur(8px);
}
.brand{display:flex;align-items:center;gap:13px;cursor:pointer;user-select:none}
.brand .mark{width:30px;height:30px;flex:0 0 auto}
.brand .wm{font-weight:800;letter-spacing:.34em;font-size:18px;padding-left:.34em}
.brand .wm b{color:var(--teal);font-weight:800}
.topbar .loc{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase}
.topbar .loc .dot{width:6px;height:6px;border-radius:50%;background:var(--teal);box-shadow:0 0 10px var(--teal)}

/* ============ Home ============ */
.view{display:none}
.view.active{display:block;animation:fade .5s ease both}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.hero{padding:clamp(38px,7vw,86px) clamp(20px,5vw,56px) 30px;max-width:1320px;margin:0 auto}
.hero .eyebrow{color:var(--teal);letter-spacing:.34em;text-transform:uppercase;font-size:12px;font-weight:700;margin-bottom:22px}
.hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(34px,6.4vw,68px);line-height:1.02;letter-spacing:-.015em;max-width:15ch}
.hero h1 em{font-style:italic;color:var(--gold)}
.hero p{color:var(--muted);max-width:54ch;margin-top:22px;font-size:clamp(15px,1.6vw,18px)}
.hero .rule{height:1px;width:120px;background:linear-gradient(90deg,var(--teal),transparent);margin-top:30px}

.section-wrap{max-width:1320px;margin:0 auto;padding:0 clamp(20px,5vw,56px) 40px}
.group{margin-top:clamp(34px,5vw,58px)}
.group-head{display:flex;align-items:baseline;gap:16px;margin-bottom:20px}
.group-head h2{font-family:var(--serif);font-weight:500;font-size:clamp(20px,2.5vw,27px);letter-spacing:-.01em}
.group-head .ix{color:var(--teal);font-size:12px;font-weight:700;letter-spacing:.2em;font-family:var(--sans)}
.group-head .ln{flex:1;height:1px;background:var(--line)}

.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(255px,1fr))}
.card{
  position:relative; border:1px solid var(--line); border-radius:var(--r); overflow:hidden;
  background:var(--surface); text-align:left; isolation:isolate;
  transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .35s,box-shadow .35s;
}
.card:hover{transform:translateY(-6px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0a0e13}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1);opacity:.92}
.card:hover .thumb img{transform:scale(1.06);opacity:1}
.card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(10,14,19,.85))}
.card .meta{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;z-index:2}
.card .meta .t{font-weight:700;font-size:16px;letter-spacing:-.01em}
.card .meta .s{color:var(--muted);font-size:12.5px;margin-top:3px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card .badge{position:absolute;top:13px;left:13px;z-index:3;font-size:10.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--text);background:rgba(10,14,19,.6);border:1px solid var(--line-2);backdrop-filter:blur(6px);padding:5px 9px;border-radius:999px}
.card .badge.gold{color:var(--gold);border-color:rgba(196,163,90,.4)}
.card .pages{position:absolute;top:13px;right:13px;z-index:3;font-size:11px;color:var(--muted);background:rgba(10,14,19,.55);border:1px solid var(--line);padding:4px 9px;border-radius:999px}

.foot{max-width:1320px;margin:0 auto;padding:30px clamp(20px,5vw,56px) 60px;color:var(--muted-2);font-size:12.5px;display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;border-top:1px solid var(--line);margin-top:30px}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--teal)}

/* ============ Viewer ============ */
#viewer.active{display:flex}
#viewer{position:fixed;inset:0;z-index:60;flex-direction:column;background:linear-gradient(180deg,#0a0e13,#070a0e)}
.v-bar{display:flex;align-items:center;gap:14px;padding:14px clamp(14px,3vw,28px);border-bottom:1px solid var(--line)}
.v-back{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:14px;color:var(--text);padding:8px 14px 8px 10px;border:1px solid var(--line-2);border-radius:999px;transition:background .25s,border-color .25s}
.v-back:hover{background:var(--surface);border-color:var(--teal)}
.v-title{min-width:0}
.v-title .t{font-family:var(--serif);font-weight:500;font-size:clamp(16px,2vw,21px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.v-title .s{color:var(--muted);font-size:12px;letter-spacing:.05em}
.v-bar .spacer{flex:1}
.v-count{font-variant-numeric:tabular-nums;color:var(--muted);font-size:13px;letter-spacing:.05em}
.v-count b{color:var(--text);font-weight:700}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line-2);border-radius:10px;color:var(--text);transition:background .25s,border-color .25s}
.icon-btn:hover{background:var(--surface);border-color:var(--teal)}
.icon-btn svg{width:18px;height:18px}
.pdf-btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:13px;text-decoration:none;color:var(--text);
  padding:9px 14px 9px 12px;border:1px solid var(--line-2);border-radius:10px;transition:background .25s,border-color .25s,color .25s}
.pdf-btn:hover{background:rgba(196,163,90,.12);border-color:var(--gold);color:var(--gold)}
.pdf-btn svg{width:16px;height:16px}

.stage{flex:1;position:relative;display:grid;place-items:center;padding:clamp(12px,2.4vw,30px);overflow:hidden}
.stage .frame{position:relative;max-width:100%;max-height:100%;border-radius:10px;overflow:hidden;box-shadow:var(--shadow);background:#0a0e13}
.stage .frame img{max-width:100%;max-height:calc(100vh - 230px);object-fit:contain;animation:slidein .45s cubic-bezier(.2,.7,.2,1) both}
@keyframes slidein{from{opacity:0;transform:translateX(var(--dir,18px))}to{opacity:1;transform:none}}
.nav-arrow{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;
  display:grid;place-items:center;background:rgba(12,17,22,.65);border:1px solid var(--line-2);backdrop-filter:blur(6px);
  color:var(--text);z-index:5;transition:background .25s,border-color .25s,opacity .25s}
.nav-arrow:hover{background:var(--teal);border-color:var(--teal);color:#06181a}
.nav-arrow svg{width:22px;height:22px}
.nav-arrow.prev{left:clamp(8px,2vw,26px)} .nav-arrow.next{right:clamp(8px,2vw,26px)}
.nav-arrow[disabled]{opacity:0;pointer-events:none}

.note{max-width:760px;margin:14px auto 0;text-align:center;color:var(--gold);font-size:12.5px;letter-spacing:.02em;opacity:.85}

.rail{display:flex;gap:9px;padding:12px clamp(14px,3vw,28px) 16px;overflow-x:auto;border-top:1px solid var(--line);scrollbar-width:thin}
.rail::-webkit-scrollbar{height:7px}.rail::-webkit-scrollbar-thumb{background:var(--surface-2);border-radius:9px}
.rail .th{flex:0 0 auto;width:96px;aspect-ratio:16/10;border-radius:7px;overflow:hidden;border:1px solid var(--line);opacity:.5;transition:opacity .25s,border-color .25s,transform .25s}
.rail .th img{width:100%;height:100%;object-fit:cover}
.rail .th:hover{opacity:.85;transform:translateY(-2px)}
.rail .th.on{opacity:1;border-color:var(--teal);box-shadow:0 0 0 1px var(--teal)}

@media (max-width:640px){
  .topbar .loc{display:none}
  .nav-arrow{width:44px;height:44px}
  .stage .frame img{max-height:calc(100vh - 210px)}
  .v-title .s{display:none}
}