/* ============================================================
   Sociedade IAnônima · Vitrine de Encontros
   Tema dark estilo área de membros. Marca (logo): preto + ciano.
   Tipografia: Fraunces (display) + Montserrat (texto).
   ============================================================ */
:root{
  --bg:#0a0a0d;            /* preto da logo */
  --bg-2:#121319;          /* cards / seções */
  --bg-3:#181a22;          /* elevado */
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.05);
  --txt:#f2f4f7;
  --txt-soft:#b3b8c2;
  --txt-mute:#878d99;
  --cyan:#1fc0ef;          /* ciano da logo (IA) */
  --cyan-soft:#5fd2f5;
  --cyan-deep:#0a9fd0;
  --ink:#04121a;           /* texto escuro sobre ciano */
  --radius:14px;
  --radius-lg:22px;
  --maxw:1240px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{font-family:'Montserrat',system-ui,sans-serif;background:var(--bg);color:var(--txt);
  line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--cyan);color:var(--ink)}

h1,h2,h3{font-family:'Fraunces',Georgia,serif;font-weight:600;line-height:1.08;letter-spacing:-.01em;color:var(--txt)}
h1{font-size:clamp(2.1rem,5.2vw,3.7rem)}
h2{font-size:clamp(1.5rem,3.4vw,2.4rem)}
h3{font-size:clamp(1.05rem,2vw,1.28rem);line-height:1.22}
h1 em{font-style:italic;color:var(--cyan)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.narrow{max-width:760px;margin:0 auto}
.center{text-align:center;margin-top:44px}
section{padding:clamp(54px,7vw,96px) 0}

.kicker{display:inline-flex;align-items:center;gap:.55em;font-weight:600;font-size:.72rem;
  letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:18px}
.kicker::before{content:"";width:26px;height:1.5px;background:var(--cyan)}
.lead{font-size:1.14rem;color:var(--txt-soft);margin-top:22px}
.lead.narrow{margin-bottom:0}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-weight:600;
  font-size:1rem;padding:15px 30px;border-radius:999px;cursor:pointer;border:none;line-height:1;
  text-align:center;transition:transform .18s,box-shadow .25s,background .2s,border-color .2s,color .2s}
.btn-primary{background:var(--cyan);color:var(--ink);box-shadow:0 12px 30px rgba(31,192,239,.25)}
.btn-primary:hover{background:var(--cyan-soft);transform:translateY(-2px);box-shadow:0 16px 40px rgba(31,192,239,.38)}
.btn-ghost{background:transparent;color:var(--txt);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-soon{background:transparent;color:var(--cyan);border:1.5px dashed rgba(31,192,239,.45);cursor:default}
.btn-lg{padding:18px 38px;font-size:1.06rem}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(10,10,13,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;font-family:'Fraunces',serif;font-weight:600;font-size:1.05rem;color:var(--txt)}
.brand .mark{width:40px;height:40px;border-radius:50%;flex:none;background:#000;border:1.5px solid var(--cyan);
  display:flex;align-items:center;justify-content:center;color:var(--cyan);font-family:'Montserrat',sans-serif;font-weight:700;font-size:.72rem;letter-spacing:.04em}
.brand-logo{height:42px;width:auto;display:block}
.nav .brand .mark{display:none} /* monograma só como fallback mobile */
.brand-full{display:flex;flex-direction:column;line-height:1.15}
.brand small{font-family:'Montserrat',sans-serif;font-weight:500;font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--txt-mute)}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links>a:first-child{font-weight:600;font-size:.95rem;color:var(--txt-soft)}
.nav-links>a:first-child:hover{color:var(--cyan)}
.nav .btn{padding:12px 22px;font-size:.9rem}
@media(max-width:560px){.nav .brand-logo{display:none}.nav .brand .mark{display:flex}.nav-links{gap:14px}.nav .btn{padding:11px 17px}}

/* ---------- hero (home) ---------- */
.hero{position:relative;padding:clamp(60px,9vw,116px) 0 clamp(44px,6vw,72px)}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(48% 44% at 82% 2%,rgba(31,192,239,.16),transparent 64%),
    radial-gradient(52% 48% at 0% 100%,rgba(31,192,239,.07),transparent 60%)}
.hero>.wrap{position:relative;z-index:1;max-width:940px}
.hero h1{margin-bottom:6px}
.hero .lead{max-width:38em}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-top:34px}
.stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:52px}
.stat{flex:1;min-width:180px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px}
.stat b{display:block;font-family:'Fraunces',serif;font-size:1.5rem;color:var(--cyan);line-height:1.1;font-weight:600}
.stat span{font-size:.9rem;color:var(--txt-soft);margin-top:8px;display:block}

.band{background:var(--bg-2);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}

/* ---------- page head (vitrine) ---------- */
.page-head{padding:clamp(54px,7vw,92px) 0 0}
.page-head h1{max-width:15em}

/* ---------- catálogo (carrosséis estilo Netflix) ---------- */
.catalog{padding-top:clamp(28px,4vw,44px)}
.catalog-search{margin-bottom:8px}
.catalog-search input{width:100%;max-width:420px;font-family:'Montserrat',sans-serif;font-size:.95rem;color:var(--txt);
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:13px 20px;outline:none;transition:.18s}
.catalog-search input:focus{border-color:var(--cyan)}
.catalog-search input::placeholder{color:var(--txt-mute)}

.row{margin-top:40px}
.row-head{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}
.row-title{font-size:clamp(1.15rem,2.2vw,1.5rem)}
.row-count{font-family:'Montserrat',sans-serif;font-size:.8rem;font-weight:600;color:var(--txt-mute)}
.row-track{display:flex;gap:18px;overflow-x:auto;overflow-y:hidden;padding:6px 2px 18px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--line) transparent}
.row-track::-webkit-scrollbar{height:8px}
.row-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:8px}
.row-track::-webkit-scrollbar-thumb:hover{background:var(--cyan-deep)}

/* ---------- poster card ---------- */
.poster{flex:0 0 auto;width:clamp(150px,40vw,212px);scroll-snap-align:start;display:flex;flex-direction:column}
.poster-art{position:relative;aspect-ratio:2/3;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--bg-3)}
.poster-art img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease,filter .35s ease}
.poster-art::after{content:"";position:absolute;inset:0;border-radius:var(--radius);box-shadow:inset 0 0 0 1px rgba(255,255,255,.04);pointer-events:none}
.poster:hover .poster-art{border-color:var(--cyan);box-shadow:0 14px 40px rgba(31,192,239,.22)}
.poster:hover .poster-art img{transform:scale(1.06)}
.poster-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .25s}
.poster-play span{width:54px;height:54px;border-radius:50%;background:rgba(31,192,239,.92);color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;padding-left:4px;box-shadow:0 6px 20px rgba(0,0,0,.4)}
.poster:hover .poster-play{opacity:1}
.poster-title{font-family:'Fraunces',serif;font-weight:600;font-size:1.02rem;line-height:1.18;margin-top:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-date{font-size:.8rem;color:var(--txt-mute);margin-top:7px}

.empty{color:var(--txt-soft);font-size:1.05rem;padding:48px 0;text-align:center}

/* ---------- detail ---------- */
.detail-head{padding:clamp(46px,6vw,80px) 0 0}
.crumb{font-size:.82rem;color:var(--txt-mute);margin-bottom:26px}
.crumb a{color:var(--cyan)}
.crumb span{margin:0 6px}
.detail-meta{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.tag{font-size:.68rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--cyan);
  background:rgba(31,192,239,.10);border:1px solid rgba(31,192,239,.25);padding:5px 11px;border-radius:999px;white-space:nowrap}
.detail-meta time{color:var(--txt-mute);font-size:.88rem}
.detail-head h1{margin-bottom:28px}
.detail-cover{float:right;width:min(40%,300px);margin:0 0 22px 30px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.detail-cover img{width:100%;height:auto;display:block}
.speaker{display:flex;align-items:center;gap:14px;margin-bottom:30px}
.avatar{width:50px;height:50px;border-radius:50%;flex:none;background:#000;border:1.5px solid var(--cyan);
  display:flex;align-items:center;justify-content:center;font-family:'Fraunces',serif;font-weight:600;color:var(--cyan)}
.speaker-info{display:flex;flex-direction:column;line-height:1.3}
.speaker-info b{font-size:1.02rem}
.who-desc{font-size:.86rem;color:var(--txt-mute)}
.who-ig{display:block;font-size:.88rem;color:var(--cyan);font-weight:600}
.who-ig:hover{text-decoration:underline}
.detail-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.gated{font-size:.82rem;color:var(--txt-mute)}
.detail-body{padding-top:clamp(34px,4vw,52px)}
.prose p{margin-bottom:1.15em;color:var(--txt-soft)}
.prose p:first-child{font-size:1.16rem;color:var(--txt)}
.pull{font-family:'Fraunces',serif;font-style:italic;font-size:1.5rem;line-height:1.35;color:var(--txt);
  border-left:3px solid var(--cyan);padding:6px 0 6px 24px;margin:0 0 38px}
.learn,.forwho{margin-top:42px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 32px}
.learn h2,.forwho h2{font-size:1.4rem;margin-bottom:18px}
.checklist{list-style:none;display:grid;gap:12px}
.checklist li{position:relative;padding-left:32px;color:var(--txt-soft)}
.checklist li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;background:rgba(31,192,239,.14);border:1px solid var(--cyan)}
.checklist li::after{content:"";position:absolute;left:5px;top:.62em;width:5px;height:9px;border:solid var(--cyan);border-width:0 2px 2px 0;transform:rotate(42deg)}
.forwho p{color:var(--txt-soft)}
.detail-foot{padding-top:clamp(40px,5vw,64px)}
.join-box{background:linear-gradient(135deg,var(--bg-3),var(--bg-2));border:1px solid rgba(31,192,239,.28);border-radius:var(--radius-lg);padding:clamp(30px,4vw,46px);text-align:center}
.join-box h2{margin-bottom:12px}
.join-box p{color:var(--txt-soft);max-width:34em;margin:0 auto 26px}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:34px}
.pn{display:flex;flex-direction:column;gap:6px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;transition:.2s}
.pn:hover{border-color:var(--cyan)}
.pn span{font-size:.78rem;color:var(--txt-mute);text-transform:uppercase;letter-spacing:.06em}
.pn b{font-weight:600;font-size:.96rem;color:var(--txt);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pn.next{text-align:right}
@media(max-width:560px){.prevnext{grid-template-columns:1fr}.pn.next{text-align:left}.detail-cover{float:none;width:100%;margin:0 0 24px}}

/* ---------- footer ---------- */
.foot{background:var(--bg-2);border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) 0 30px;margin-top:40px}
.foot-in{display:flex;align-items:flex-start;justify-content:space-between;gap:40px;flex-wrap:wrap}
.foot-tag{color:var(--txt-mute);font-size:.92rem;margin-top:14px;max-width:26em}
.foot-cta{text-align:right}
.foot-mini{color:var(--txt-mute);font-size:.82rem;margin-top:14px;max-width:22em;margin-left:auto}
.foot-base{margin-top:48px;padding-top:24px;border-top:1px solid var(--line-soft);color:var(--txt-mute);font-size:.8rem;text-align:center}
@media(max-width:620px){.foot-cta,.foot-mini{text-align:left;margin-left:0}.foot-in{flex-direction:column;gap:28px}}