/* G1ITS TECH BLOG */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:       #040406;
  --surface:  #0c0c0f;
  --card-bg:  #0f0f13;
  --border:   #1c1c22;
  --border-h: #2e2e38;
  --text-1:   #f0f0f4;
  --text-2:   #8b8b99;
  --text-3:   #44444f;
  --font-sans:'Inter','Helvetica Neue',Arial,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}

html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text-1);font-family:var(--font-sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}

/* NAV */
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 2.5rem;height:58px;
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:50;
  background:rgba(4,4,6,0.92);backdrop-filter:blur(16px);
  max-width:100%;
}
.nav-inner{display:flex;align-items:center;width:100%;max-width:1160px;margin:0 auto}
.nav-brand{font-family:var(--font-mono);font-size:14px;font-weight:700;color:var(--text-1);letter-spacing:-0.02em;margin-right:auto}
.nav-brand span{color:#6c6cff}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin-right:1rem}
.nav-links a{padding:6px 14px;font-size:13px;color:var(--text-2);border-radius:6px;transition:color .15s,background .15s}
.nav-links a:hover{color:var(--text-1);background:var(--surface)}
.nav-cta{padding:7px 16px;font-size:13px;font-weight:500;color:var(--bg);background:var(--text-1);border-radius:7px;transition:opacity .15s}
.nav-cta:hover{opacity:.82;color:var(--bg)}

/* WRAP */
.wrap{max-width:1160px;margin:0 auto;padding:0 2.5rem}

/* HERO */
.hero{padding:80px 0 64px;border-bottom:1px solid var(--border)}
.hero-label{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);display:block;margin-bottom:20px}
.hero h1{font-size:clamp(2.2rem,5vw,3.8rem);font-weight:700;letter-spacing:-0.04em;line-height:1.06;color:var(--text-1);max-width:680px;margin-bottom:20px}
.hero-sub{font-size:15px;color:var(--text-2);max-width:500px;line-height:1.75}

/* SECTION LABEL */
.sec-label{display:flex;align-items:center;justify-content:space-between;padding:40px 0 20px}
.sec-label h2{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3)}
.sec-label a{font-size:12px;color:var(--text-3);transition:color .15s}
.sec-label a:hover{color:var(--text-1)}

/* SECTION CARDS (apresentação das seções) */
.sections-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--border);
  border-radius:14px;overflow:hidden;border:1px solid var(--border);
}
.sec-card{
  background:var(--card-bg);padding:28px 26px 26px;
  display:flex;flex-direction:column;gap:12px;
  transition:background .18s;
}
.sec-card:hover{background:#13131a}
.sec-card-icon{
  width:36px;height:36px;border-radius:8px;
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
}
.sec-card h3{font-size:15px;font-weight:600;letter-spacing:-0.02em;color:var(--text-1)}
.sec-card p{font-size:13px;color:var(--text-2);line-height:1.65;flex:1}
.sec-card-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:500;color:var(--text-3);
  margin-top:4px;transition:color .15s;
}
.sec-card:hover .sec-card-link{color:var(--text-1)}

/* POSTS GRID */
.posts-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:1px;background:var(--border);
  border-radius:14px;overflow:hidden;border:1px solid var(--border);
}

/* POST CARD */
.post-card{
  background:var(--card-bg);display:flex;flex-direction:column;
  transition:background .18s;cursor:pointer;
}
.post-card:hover{background:#13131a}
.post-thumb{
  width:100%;aspect-ratio:16/8;overflow:hidden;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.post-thumb-inner{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;
}
.th-fundamentos{background:#0d0d18;color:rgba(108,108,255,.3)}
.th-writeups   {background:#0d1208;color:rgba(52,211,153,.3)}
.th-critica    {background:#18080c;color:rgba(248,113,113,.3)}

.post-body{padding:20px 22px 22px;flex:1;display:flex;flex-direction:column}
.post-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.tag{font-size:10px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:3px 9px;border-radius:4px}
.tag-fundamentos{background:rgba(108,108,255,.15);color:#8a8aff}
.tag-writeups   {background:rgba(52,211,153,.12); color:#34d399}
.tag-critica    {background:rgba(248,113,113,.12);color:#f87171}
.post-date{font-size:11px;color:var(--text-3)}
.post-title{font-size:15px;font-weight:600;letter-spacing:-0.025em;line-height:1.35;color:var(--text-1);margin-bottom:8px}
.post-desc{font-size:13px;color:var(--text-2);line-height:1.65;flex:1}
.post-footer{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.post-author{font-size:11px;color:var(--text-3)}
.post-arrow{font-size:15px;color:var(--text-3);transition:color .15s,transform .15s}
.post-card:hover .post-arrow{color:var(--text-1);transform:translateX(3px)}

/* EMPTY STATE */
.posts-empty{
  padding:48px 32px;text-align:center;
  background:var(--card-bg);border-radius:14px;
  border:1px solid var(--border);
}
.posts-empty p{font-size:13px;color:var(--text-3);line-height:1.7}
.posts-empty code{font-family:var(--font-mono);font-size:12px;color:var(--text-2);background:var(--surface);padding:2px 7px;border-radius:4px}

/* (bloco antigo de post-list removido — versão atual está mais abaixo) */

/* WHOAMI */
.whoami-strip{
  margin:48px 0;padding:32px 36px;
  background:var(--card-bg);border:1px solid var(--border);border-radius:14px;
  display:flex;align-items:center;gap:28px;
}
.whoami-avatar{
  width:52px;height:52px;flex-shrink:0;border-radius:50%;
  background:var(--surface);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:16px;font-weight:700;color:var(--text-2);
}
.whoami-text h3{font-size:15px;font-weight:600;letter-spacing:-0.02em;margin-bottom:4px}
.whoami-text p{font-size:13px;color:var(--text-2);line-height:1.6}
.whoami-links{margin-left:auto;display:flex;gap:10px;flex-shrink:0}
.whoami-btn{padding:8px 18px;font-size:13px;font-weight:500;border:1px solid var(--border);border-radius:8px;color:var(--text-2);transition:all .15s}
.whoami-btn:hover{border-color:var(--border-h);color:var(--text-1)}
.whoami-btn.primary{background:var(--text-1);color:var(--bg);border-color:var(--text-1)}
.whoami-btn.primary:hover{opacity:.85}

/* QUOTE */
.quote-bar{text-align:center;padding:48px 0 56px;border-top:1px solid var(--border);margin-top:8px}
.quote-bar p{font-size:13px;color:var(--text-3);letter-spacing:.02em}
.quote-bar p em{color:var(--text-2);font-style:normal}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:20px 0}
.foot-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px}
.foot-brand{font-family:var(--font-mono);font-size:12px;color:var(--text-3)}
.foot-links{display:flex;flex-wrap:wrap;gap:14px 20px}
.foot-links a{font-size:12px;color:var(--text-3);transition:color .15s;white-space:nowrap}
.foot-links a:hover{color:var(--text-1)}
.foot-copy{font-size:11px;color:var(--text-3);white-space:nowrap}

@media(max-width:640px){
  .foot-inner{
    flex-direction:column;
    align-items:flex-start;
    gap:14px;
  }
  .foot-links{
    order:2;
    width:100%;
    gap:10px 16px;
  }
  .foot-brand{ order:1; }
  .foot-copy{ order:3; }
}

/* POST LIST (formato lista — usado em tópicos específicos como redes, web-security) */
.post-list{
  display:flex;flex-direction:column;
  border:1px solid var(--border);border-radius:14px;
  overflow:hidden;background:var(--card-bg);
}
.post-list-row{
  display:flex;align-items:center;gap:18px;
  padding:16px 20px;
  border-bottom:1px solid var(--border);
  transition:background .15s;
  cursor:pointer;
}
.post-list-row:last-child{border-bottom:none}
.post-list-row:hover{background:#13131a}

.post-list-thumb{
  width:120px;height:80px;flex-shrink:0;
  border-radius:8px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
}
.post-list-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.post-list-thumb-fallback{
  width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.05em;text-transform:uppercase;
}

.post-list-main{
  flex:1;min-width:0;
  display:flex;flex-direction:column;gap:4px;
}
.post-list-title{
  font-size:14.5px;font-weight:600;color:var(--text-1);
  letter-spacing:-0.015em;line-height:1.3;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.post-list-desc{
  font-size:12.5px;color:var(--text-2);line-height:1.5;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.post-list-meta{
  display:flex;flex-direction:column;align-items:flex-end;gap:7px;
  flex-shrink:0;
}
.post-list-tag{
  font-size:10px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;
  padding:3px 9px;border-radius:4px;
}
.post-list-date{
  font-family:var(--font-mono);font-size:11px;
  color:var(--text-3);white-space:nowrap;
}

.post-list-arrow{
  font-size:14px;color:var(--text-3);flex-shrink:0;
  transition:color .15s,transform .15s;
}
.post-list-row:hover .post-list-arrow{color:var(--text-1);transform:translateX(3px)}

/* busca/filtro de lista */
.list-search{
  display:flex;align-items:center;gap:10px;
  margin-bottom:16px;padding:10px 16px;
  border:1px solid var(--border);border-radius:10px;
  background:var(--card-bg);
}
.list-search svg{flex-shrink:0;color:var(--text-3)}
.list-search input{
  flex:1;background:none;border:none;outline:none;
  font-family:var(--font-sans);font-size:13px;
  color:var(--text-1);
}
.list-search input::placeholder{color:var(--text-3)}

/* empty state da lista */
.list-empty{
  padding:36px 24px;text-align:center;
  border:1px solid var(--border);border-radius:14px;
  background:var(--card-bg);
}
.list-empty p{font-size:13px;color:var(--text-3);line-height:1.7}
.list-empty code{font-family:var(--font-mono);font-size:12px;color:var(--text-2);background:var(--surface);padding:2px 7px;border-radius:4px}

@media(max-width:640px){
  .post-list-row{
    gap:10px;
    padding:12px 14px;
    align-items:flex-start;
  }
  .post-list-thumb{
    width:52px;height:52px;
    border-radius:7px;
  }
  .post-list-main{
    flex:1 1 auto;
    min-width:0;
  }
  .post-list-title{
    white-space:normal;
    font-size:13.5px;
    line-height:1.3;
  }
  .post-list-desc{
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    white-space:normal;
    font-size:11.5px;
    line-height:1.45;
  }
  .post-list-meta{
    flex-direction:column;
    align-items:flex-end;
    gap:6px;
    flex-shrink:0;
  }
  .post-list-tag{ font-size:9px; padding:3px 7px; }
  .post-list-date{ font-size:10px; }
  .post-list-arrow{ display:none; }
}

@media(max-width:380px){
  .post-list-thumb{ width:44px; height:44px; }
  .post-list-title{ font-size:13px; }
}

/* RESPONSIVE */
@media(max-width:900px){
  .wrap{padding:0 1.25rem}
  .nav-inner{padding:0 1.25rem}
  .nav-links{display:none}
  .sections-grid{grid-template-columns:1fr}
  .posts-grid{grid-template-columns:1fr}
  .whoami-strip{flex-wrap:wrap;gap:16px}
  .whoami-links{margin-left:0;width:100%}
}