/* ============================================================
 * TEMA: Ultraterrestre — visual espacial escuro (azul + brilhos).
 * Linguagem inspirada no design system (glass nav, flashlight cards,
 * beam buttons, auroras, Inter + JetBrains Mono), em CSS puro (sem build).
 * Cores no :root abaixo.
 * ============================================================ */
:root{
  --bg:#060912;            /* fundo do espaço (quase preto azulado) */
  --bg-2:#0a1024;
  --surface:#0e1630;       /* caixas/cards */
  --surface-2:#121b3c;
  --ink:#eaf0ff;           /* texto principal */
  --muted:#9aa6c8;         /* texto secundário */
  --faint:#5f6c92;         /* texto terciário */
  --line:rgba(140,165,255,.12);
  --line-2:rgba(140,165,255,.24);
  --accent:#6ea8ff;        /* azul brilho */
  --accent-2:#a98bff;      /* violeta */
  --accent-3:#43e7ff;      /* ciano */
  --accent-ink:#04102b;
  --radius:14px;
  --maxw:1180px;
  --readw:720px;
  --glow:0 0 40px rgba(110,168,255,.25);
  --font-sans:'Inter',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(0.16,1,0.3,1);
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);line-height:1.65;font-size:17px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{color:#9cc2ff}
.container{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
.font-mono{font-family:var(--font-mono)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.6rem 1rem;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ===== Fundo espacial (auroras + grade) ===== */
.space-bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:
  radial-gradient(1200px 800px at 80% -10%, rgba(80,90,200,.18), transparent 60%),
  radial-gradient(1000px 700px at 0% 100%, rgba(30,120,200,.14), transparent 55%),
  var(--bg)}
.aurora{position:absolute;width:520px;height:520px;border-radius:50%;filter:blur(90px);opacity:.5;will-change:transform}
.aurora--1{top:-120px;left:-80px;background:radial-gradient(circle,rgba(110,168,255,.5),transparent 70%);animation:float 18s ease-in-out infinite}
.aurora--2{bottom:-160px;right:-100px;background:radial-gradient(circle,rgba(169,139,255,.45),transparent 70%);animation:float 22s ease-in-out infinite reverse}
.aurora--3{top:40%;left:55%;width:380px;height:380px;background:radial-gradient(circle,rgba(67,231,255,.28),transparent 70%);animation:float 26s ease-in-out infinite}
.grid-guide{position:absolute;inset:0;max-width:var(--maxw);margin:0 auto;padding:0 1.25rem;display:flex;justify-content:space-between;opacity:.5}
.grid-guide span{width:1px;height:100%;background:linear-gradient(var(--line),transparent)}

@keyframes float{0%,100%{transform:translate(0,0)}33%{transform:translate(40px,-50px)}66%{transform:translate(-30px,30px)}}
@keyframes fadeUp{0%{opacity:0;transform:translateY(24px);filter:blur(6px)}100%{opacity:1;transform:none;filter:none}}
@keyframes beam-spin{to{transform:rotate(360deg)}}

/* ===== Header (glass) ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(8,13,30,.6);backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:1rem;flex-wrap:nowrap;padding:.85rem 0}
.brand{display:flex;flex-direction:column;line-height:1.15;margin-right:auto}
.brand a{color:var(--ink);font-weight:800;font-size:1.2rem;letter-spacing:-.02em;text-decoration:none}
.brand__logo img{max-height:42px;width:auto;display:block}
.brand .tagline{color:var(--faint);font-size:.74rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.12em;margin-top:.15rem}
.nav-toggle{display:inline-block;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);border-radius:8px;font-size:1.1rem;padding:.3rem .6rem;cursor:pointer}
.site-nav{display:none;width:100%;padding-top:.5rem}
body.nav-open .site-nav{display:block}
.site-menu{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.1rem}
.site-menu a{display:block;color:var(--muted);padding:.5rem .3rem;border-radius:6px;font-size:.82rem;
  font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;transition:color .2s}
.site-menu a:hover{color:var(--ink)}
.site-menu ul{list-style:none;margin:0;padding-left:1rem}
/* Search toggle (lupa) */
.search-toggle{flex-shrink:0;width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line-2);
  border-radius:50%;background:rgba(255,255,255,.04);color:var(--muted);cursor:pointer;transition:all .25s var(--ease)}
.search-toggle svg{width:18px;height:18px}
.search-toggle:hover{color:#fff;border-color:var(--accent);box-shadow:var(--glow)}

/* Search overlay */
.search-overlay{position:absolute;top:0;left:0;right:0;height:100%;display:flex;align-items:center;
  background:rgba(8,13,30,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:0 1.25rem;z-index:55}
.search-overlay[hidden]{display:none}
.search-overlay__form{display:flex;align-items:center;gap:.6rem;width:100%;max-width:var(--maxw);margin:0 auto}
.search-overlay__form input{flex:1;padding:.55rem 1rem;border:1px solid var(--line-2);border-radius:999px;
  background:rgba(255,255,255,.06);color:var(--ink);font:inherit;font-size:1rem}
.search-overlay__form input::placeholder{color:var(--faint)}
.search-overlay__form input:focus{outline:none;border-color:var(--accent);box-shadow:var(--glow)}
.search-overlay__close{background:none;border:none;color:var(--muted);font-size:1.3rem;cursor:pointer;padding:.3rem .5rem;transition:color .2s}
.search-overlay__close:hover{color:#fff}

.site-main{padding-top:2rem;padding-bottom:3rem;min-height:62vh}

/* ===== Kicker / títulos de seção ===== */
.archive-header{margin-bottom:1.8rem;padding-bottom:1.2rem;border-bottom:1px solid var(--line)}
.archive-title{font-size:2rem;letter-spacing:-.02em;margin:.2rem 0;
  background:linear-gradient(120deg,#fff,#9cc2ff 60%,#a98bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.archive-desc{color:var(--muted);margin:.3rem 0 0}
.author-header{display:flex;gap:1.1rem;align-items:center}
.author-header__avatar{width:76px;height:76px;border-radius:50%;object-fit:cover;border:1px solid var(--line-2);box-shadow:var(--glow)}
.author-social{margin:.6rem 0 0;display:flex;flex-wrap:wrap;gap:.9rem;font-size:.85rem;font-family:var(--font-mono)}

/* ===== Grid de cards ===== */
.post-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}
.post-card{position:relative;background:linear-gradient(180deg,var(--surface),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),border-color .35s,box-shadow .35s}
.post-card__media{display:block;aspect-ratio:16/9;background:var(--surface-2);overflow:hidden}
.post-card__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s var(--ease)}
/* Efeitos de hover SÓ em dispositivos com mouse — em telas de toque o 1º toque
   abre o artigo direto (evita o "hover travado" do celular). */
@media (hover:hover) and (pointer:fine){
  .post-card::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;opacity:0;transition:opacity .4s;
    background:radial-gradient(500px circle at var(--mouse-x,50%) var(--mouse-y,50%),rgba(110,168,255,.12),transparent 40%)}
  .post-card:hover::before{opacity:1}
  .post-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 24px 50px -20px rgba(0,0,0,.6),var(--glow)}
  .post-card:hover .post-card__media img{transform:scale(1.05)}
}
.post-card__body{padding:1.1rem 1.2rem 1.3rem}
.post-card__title{font-size:1.2rem;line-height:1.25;margin:.1rem 0 .45rem;letter-spacing:-.01em}
.post-card__title a{color:var(--ink)}
.post-card__title a:hover{color:#9cc2ff}
.post-card__meta{color:var(--faint);font-size:.74rem;margin:0 0 .55rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em}
.post-card__meta a{color:var(--muted)}
.post-card__excerpt{margin:0 0 .8rem;color:var(--muted);font-size:.95rem}
.post-card__more{font-weight:600;font-size:.85rem;color:var(--accent)}

/* ===== Post / Página ===== */
.post,.page{max-width:var(--readw);margin:0 auto}
.post__header{margin-bottom:1.2rem}
.post__title{font-size:2.2rem;line-height:1.15;letter-spacing:-.02em;margin:.2rem 0 .6rem}
.post__meta{color:var(--faint);font-size:.82rem;margin:0 0 .5rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em}
.post__meta a{color:var(--muted)}
.post__cats{display:flex;flex-wrap:wrap;gap:.5rem;margin:.5rem 0}
.post__feature{margin:1.2rem 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.post__feature img{width:100%;display:block}
.post__content{font-size:1.07rem;color:#dde4f7}
.post__content h2{font-size:1.55rem;margin:2rem 0 .7rem;letter-spacing:-.01em;color:#fff}
.post__content h3{font-size:1.25rem;margin:1.5rem 0 .5rem;color:#fff}
.post__content p{margin:0 0 1.15rem}
.post__content a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.post__content img{border-radius:10px}
.post__content figure{margin:1.6rem 0}
.post__content figcaption{color:var(--faint);font-size:.85rem;text-align:center;margin-top:.5rem;font-family:var(--font-mono)}
.post__content blockquote{margin:1.6rem 0;padding:.8rem 1.2rem;border-left:3px solid var(--accent);
  background:rgba(110,168,255,.06);border-radius:0 10px 10px 0}
.post__content blockquote cite{display:block;color:var(--faint);font-size:.85rem;margin-top:.5rem}
.post__content pre{background:#070b18;border:1px solid var(--line);color:#dbe4ff;padding:1rem;border-radius:10px;overflow:auto;font-size:.9rem;font-family:var(--font-mono)}
.post__content code{background:rgba(140,165,255,.12);padding:.1rem .4rem;border-radius:5px;font-size:.92em;font-family:var(--font-mono)}
.post__content pre code{background:none;padding:0}
.post__content mark{background:rgba(169,139,255,.35);color:#fff;padding:0 .2rem;border-radius:3px}
.post__content table{width:100%;border-collapse:collapse;margin:1.4rem 0;font-size:.95rem}
.post__content th,.post__content td{border:1px solid var(--line);padding:.55rem .75rem;text-align:left}
.post__content th{background:rgba(140,165,255,.08)}
.post__content ul,.post__content ol{margin:0 0 1.15rem 1.3rem}
.post__content li{margin:.35rem 0}

.embed-frame{position:relative;width:100%;padding-bottom:56.25%;height:0;border-radius:10px;overflow:hidden;background:#000;border:1px solid var(--line)}
.embed-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.tag-chip{display:inline-block;background:rgba(140,165,255,.08);border:1px solid var(--line-2);color:var(--muted);
  padding:.18rem .65rem;border-radius:999px;font-size:.78rem;font-family:var(--font-mono);text-decoration:none;transition:all .2s}
.tag-chip:hover{color:#fff;border-color:var(--accent);box-shadow:var(--glow)}
.post__tags{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:1.6rem 0}

.author-box{display:flex;gap:1.1rem;align-items:flex-start;margin:2.2rem 0;padding:1.2rem;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.author-box__avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;border:1px solid var(--line-2)}
.author-box p{margin:.35rem 0 0;color:var(--muted)}

.related{max-width:var(--readw);margin:2.8rem auto 0}
.section-title{font-size:1.3rem;margin:0 0 1.1rem;padding-top:1.3rem;border-top:1px solid var(--line);color:#fff}
.post-grid--compact .post-card__title{font-size:1.02rem}

/* ===== Breadcrumbs ===== */
.breadcrumbs{font-size:.76rem;color:var(--faint);margin-bottom:1rem;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.06em}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;padding:0;margin:0}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:.4rem;color:var(--line-2)}

/* ===== Paginação ===== */
.pagination{display:flex;flex-wrap:wrap;gap:.4rem;justify-content:center;margin:2.4rem 0 0}
.pagination a,.pagination span{padding:.45rem .85rem;border:1px solid var(--line-2);border-radius:8px;color:var(--ink);
  font-family:var(--font-mono);font-size:.85rem}
.pagination a:hover{border-color:var(--accent);box-shadow:var(--glow)}
.pagination .is-current{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:700}

/* ===== Botões (beam/glow) ===== */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.7rem 1.4rem;border-radius:999px;border:1px solid var(--accent);cursor:pointer;
  font:inherit;font-weight:600;font-size:.92rem;text-decoration:none;
  background:linear-gradient(120deg,var(--accent),var(--accent-2));color:var(--accent-ink);
  transition:transform .2s var(--ease),box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:var(--glow);color:var(--accent-ink)}

/* ===== Formulário de contato ===== */
.contact-form .row{margin-bottom:1rem}
.contact-form label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.9rem}
.contact-form input,.contact-form textarea{width:100%;padding:.7rem .8rem;border:1px solid var(--line-2);
  border-radius:10px;font:inherit;background:rgba(255,255,255,.04);color:var(--ink)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--accent);box-shadow:var(--glow)}
.notice{padding:.8rem 1rem;border-radius:10px;margin-bottom:1.2rem}
.notice--ok{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.4);color:#6ee7b7}
.notice--err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.4);color:#fca5a5}

/* ===== Anúncios / cookies ===== */
.ad-slot{margin:1.6rem 0;text-align:center;min-height:1px}
.cookie-banner{position:fixed;left:0;right:0;bottom:0;z-index:80;background:rgba(8,13,30,.92);
  backdrop-filter:blur(12px);color:var(--ink);border-top:1px solid var(--line-2);
  display:flex;gap:1rem;align-items:center;justify-content:center;flex-wrap:wrap;padding:.9rem 1rem}
.cookie-banner[hidden]{display:none}
.cookie-banner__text{margin:0;font-size:.9rem;max-width:780px;color:var(--muted)}
.cookie-banner a{color:var(--accent)}

.empty{color:var(--muted);text-align:center;padding:3.5rem 1rem}
.notfound{text-align:center;padding:4rem 1rem;max-width:var(--readw);margin:0 auto}
.notfound h1{font-size:5rem;margin:0;background:linear-gradient(120deg,var(--accent),var(--accent-2),var(--accent-3));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.site-search--inline{display:flex;gap:.5rem;justify-content:center;margin-top:1.3rem}
.site-search--inline input{max-width:280px}

/* ===== Rodapé ===== */
.site-footer{border-top:1px solid var(--line);background:rgba(8,13,30,.5);margin-top:3rem}
.footer-inner{padding:3rem 0 2rem}
.footer-grid{display:grid;grid-template-columns:1fr;gap:2rem}
.footer-brand{display:flex;flex-direction:column;gap:.9rem}
.footer-logo{max-height:72px;width:auto}
.footer-logo-text{font-weight:800;font-size:1.3rem;color:var(--ink)}
.footer-desc{margin:0;color:var(--muted);font-size:.9rem;max-width:320px;line-height:1.6}
.footer-col__title{margin:0 0 1rem;color:var(--muted);font-weight:600;font-size:.95rem}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem}
.footer-links a{color:#cdd6f2;font-size:.95rem;transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-links--chevron li{display:flex;align-items:center;gap:.5rem}
.footer-links--chevron li::before{content:"›";color:var(--accent);font-weight:700}
.footer-links--dot li{display:flex;align-items:flex-start;gap:.55rem}
.footer-links--dot li::before{content:"•";color:var(--accent-2);line-height:1.5}
.footer-social{display:flex;flex-wrap:wrap;gap:.6rem}
.social-ic{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--line-2);color:var(--muted);transition:all .25s var(--ease)}
.social-ic svg{width:18px;height:18px}
.social-ic:hover{color:#fff;border-color:var(--accent);box-shadow:var(--glow);transform:translateY(-2px)}
.copyright{color:var(--faint);font-size:.82rem;margin:2rem 0 0;padding-top:1.4rem;border-top:1px solid var(--line);font-family:var(--font-mono)}

@media (min-width:760px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem}
  .footer-col{border-left:1px solid var(--line);padding-left:2rem}
}

/* ===== Reveal on scroll (aditivo: sem JS, fica visível) ===== */
.reveal{opacity:0;transform:translateY(20px)}
.reveal.reveal--in{animation:fadeUp .8s var(--ease) forwards}
/* Segurança: o corpo do artigo e das páginas NUNCA fica oculto (conteúdo crítico
   não pode depender de JS para aparecer). */
.post.reveal,.page.reveal{opacity:1 !important;transform:none !important;animation:none !important}

/* ===== Desktop ===== */
@media (min-width:760px){
  .nav-toggle{display:none}
  .site-nav{display:block;width:auto;padding:0}
  .site-menu{flex-direction:row;align-items:center;gap:1.4rem}
  .site-menu li{position:relative}
  .site-menu li ul{position:absolute;top:100%;left:0;min-width:190px;background:rgba(12,18,40,.96);
    backdrop-filter:blur(12px);border:1px solid var(--line-2);border-radius:10px;padding:.4rem;display:none;
    box-shadow:0 18px 40px rgba(0,0,0,.5);z-index:60}
  .site-menu li:hover>ul,.site-menu li:focus-within>ul{display:block}
  .site-menu li ul a{white-space:nowrap}
  .search-toggle{width:40px;height:40px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid--compact{grid-template-columns:repeat(2,1fr)}
  .post__title{font-size:2.6rem}
}
@media (min-width:1000px){
  .post-grid{grid-template-columns:repeat(3,1fr)}
}

/* Acessibilidade: menos movimento */
@media (prefers-reduced-motion:reduce){
  .aurora{animation:none}
  .reveal{opacity:1;transform:none}
  .reveal.reveal--in{animation:none}
  *{scroll-behavior:auto}
}