/* ===== Carlos — sec-portfolio theme ===== */

:root{
  --bg:#080c10;
  --bg-alt:#0e141c;
  --panel:#131b25;
  --accent:#00e5c4;
  --bg-accent:var(--accent);
  --border:color-mix(in srgb, var(--accent) 12%, transparent);
  --border-hover:var(--accent);
  --accent-dim:color-mix(in srgb, var(--accent) 15%, transparent);
  --text:#c8d8e8;
  --text-dim:#8a9bab;
  --text-faint:#5a7080;
  --mono:'JetBrains Mono', monospace;
  --sans:'Inter', sans-serif;
}
*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  background-image:
    linear-gradient(color-mix(in srgb, var(--bg-accent) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--bg-accent) 5%, transparent) 1px, transparent 1px);
  background-size:64px 64px, 64px 64px;
  background-attachment:fixed;
  position:relative;
  overflow-x:hidden;
}
a{color:inherit; text-decoration:none;}
img{max-width:100%; height:auto; display:block;}

::selection{ background:color-mix(in srgb, var(--accent) 25%, transparent); color:#e8f4f0; }
::-webkit-scrollbar{ width:4px; }
::-webkit-scrollbar-track{ background:transparent; }
::-webkit-scrollbar-thumb{ background:color-mix(in srgb, var(--accent) 20%, transparent); border-radius:2px; }

.noise-overlay{
  position:fixed; inset:0; pointer-events:none; z-index:50; opacity:0.025;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat:repeat; background-size:256px 256px;
}
.config-bg-image{
  position:fixed; inset:0; pointer-events:none; z-index:-1;
  background-size:cover; background-position:center; opacity:0.14;
}
.glow-orb{
  position:fixed; top:-10%; left:-5%;
  width:640px; height:640px; border-radius:50%;
  background:radial-gradient(circle,
    color-mix(in srgb, var(--bg-accent) 16%, transparent),
    color-mix(in srgb, var(--bg-accent) 5%, transparent) 45%,
    transparent 70%);
  filter:blur(10px);
  pointer-events:none; z-index:0;
  animation:float-glow 22s ease-in-out infinite;
}
@keyframes float-glow{
  0%   { transform:translate(0,0) scale(1); }
  25%  { transform:translate(30vw, 12vh) scale(1.15); }
  50%  { transform:translate(15vw, 38vh) scale(0.9); }
  75%  { transform:translate(-8vw, 18vh) scale(1.05); }
  100% { transform:translate(0,0) scale(1); }
}

/* ===== header / nav ===== */
header{
  display:flex; justify-content:space-between; align-items:center;
  padding:24px 60px;
  border-bottom:1px solid var(--border);
  position:sticky; top:0; background:rgba(8,12,16,0.85); backdrop-filter:blur(8px);
  z-index:10;
}
header::after{
  content:'';
  position:absolute; left:0; right:0; bottom:-1px;
  height:2px;
  background:linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  box-shadow:
    0 0 8px var(--accent),
    0 0 40px color-mix(in srgb, var(--accent) 70%, transparent),
    0 6px 90px color-mix(in srgb, var(--accent) 35%, transparent);
  pointer-events:none;
}
.logo{font-family:var(--mono); font-size:15px; color:var(--text);}
.logo span{color:var(--accent);}
nav{display:flex; gap:36px; font-family:var(--mono); font-size:14px; color:var(--text-dim);}
nav a:hover{color:var(--accent);}
nav a.active{color:var(--accent);}
.back-link{font-family:var(--mono); font-size:14px; color:var(--text-dim);}
.back-link:hover{color:var(--accent);}

/* ===== hero (home) ===== */
.hero{padding:120px 60px 90px; max-width:900px; position:relative; z-index:1;}
.eyebrow{font-family:var(--mono); color:var(--accent); font-size:13px; letter-spacing:2px; margin-bottom:20px;}
.hero h1{font-family:var(--mono); font-weight:700; font-size:88px; line-height:1; margin-bottom:28px;}
.hero p{font-size:19px; line-height:1.6; color:var(--text-dim); max-width:640px; margin-bottom:36px;}

.terminal{
  background:var(--panel); border:1px solid var(--border); border-radius:8px;
  max-width:640px; padding:24px 28px; margin-bottom:36px;
}
.dots{display:flex; gap:8px; margin-bottom:18px;}
.dot{width:11px; height:11px; border-radius:50%;}
.dot.red{background:#f87171;} .dot.yellow{background:#fbbf24;} .dot.green{background:#4ade80;}
.terminal-line{font-family:var(--mono); font-size:14px; line-height:1.9; color:var(--text-dim);}
.terminal-line .prompt{color:var(--accent); margin-right:8px;}
.terminal-line.result{color:var(--text);}

.btn-row{display:flex; gap:14px;}
.btn{
  font-family:var(--mono); font-size:14px; padding:14px 22px; border-radius:6px;
  border:1px solid var(--border); display:inline-block;
}
.btn-solid{background:var(--accent); color:#04120f; font-weight:600; border-color:var(--accent);}
.btn-outline{color:var(--accent); border-color:var(--accent-dim);}
.btn-outline:hover{background:color-mix(in srgb, var(--accent) 8%, transparent);}

/* ===== generic sections ===== */
section{padding:90px 60px; position:relative; z-index:1;}
.section-head{display:flex; align-items:center; gap:16px; margin-bottom:44px;}
.section-num{font-family:var(--mono); color:var(--accent); font-size:14px;}
.section-head h2{font-family:var(--mono); font-size:32px; font-weight:700;}
.section-head .rule{flex:1; height:1px; background:var(--border);}

/* ===== certifications ===== */
.certs{display:flex; flex-direction:column; gap:20px; max-width:360px; margin-bottom:40px;}
.cert{
  text-align:center;
  border:1px solid var(--border); border-radius:8px; padding:26px 20px;
  background:var(--bg-alt);
}
.cert img{width:110px; height:auto; margin:0 auto 14px;}
.cert b{color:var(--accent); display:block; font-family:var(--mono); font-size:15px; margin-bottom:4px;}
.cert span{font-size:12.5px; color:var(--text-faint);}

/* ===== timeline (home) ===== */
.timeline-sub{font-family:var(--mono); font-size:13px; color:var(--text-faint); margin:-8px 0 20px;}
.timeline-feed{max-height:560px; overflow-y:auto; display:flex; flex-direction:column; gap:14px; padding-right:6px;}
.timeline-post{
    background:var(--panel);
    border:1px solid var(--border);
    border-radius:8px;
    overflow:hidden;
    flex-shrink:0;
    width:100%;
    max-width:750px;
    margin:0 auto;
}
.timeline-post-header{display:flex; align-items:center; gap:10px; padding:14px 18px 0;}
.timeline-post-avatar{
  width:34px; height:34px; border-radius:50%; flex-shrink:0; overflow:hidden;
  background:var(--accent-dim); display:flex; align-items:center; justify-content:center;
  font-family:var(--mono); font-size:13px; color:var(--accent);
}
.timeline-post-avatar img{width:100%; height:100%; object-fit:cover;}
.timeline-post-who b{display:block; font-size:13.5px; color:var(--text); font-weight:600;}
.timeline-post-who span{display:block; font-size:11.5px; color:var(--text-faint); font-family:var(--mono); margin-top:1px;}
.timeline-post-body{padding:10px 18px 16px;}
.timeline-post-text{font-size:14.5px; color:var(--text); line-height:1.6; margin:0;}
.timeline-post-img,.timeline-post-photo{
    display:block;
    width:100%;
    height:auto;
    max-height:600px;
    object-fit:contain;
    background:var(--bg);
    border-top:1px solid var(--border);
}
.timeline-empty{font-size:13px; color:var(--text-faint); font-style:italic;}

/* ===== skills grid (home) ===== */
.skills-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:32px;}
.skills-col h4{font-family:var(--mono); color:var(--accent); font-size:13px; letter-spacing:1px; margin-bottom:14px;}
.skill-item{
  font-family:var(--mono); font-size:14px; color:var(--text-dim);
  border:1px solid var(--border); border-radius:6px; padding:12px 14px; margin-bottom:10px;
}
.skill-item:hover{border-color:var(--border-hover); color:var(--text);}
.skill-item::before{content:'‣ '; color:var(--accent);}

/* ===== projects grid (home) ===== */
.projects-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.project-card{
  display:block; text-decoration:none; color:inherit;
  border:1px solid var(--border); border-radius:8px; padding:26px; background:var(--bg-alt);
}
.project-card:hover{border-color:var(--border-hover);}
.project-top{display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:8px;}
.project-tag{font-family:var(--mono); font-size:11px; color:var(--accent); letter-spacing:1px;}
.project-status{font-family:var(--mono); font-size:11px; border:1px solid var(--border); border-radius:4px; padding:3px 8px; color:var(--text-dim);}
.project-card h3{font-family:var(--mono); font-size:19px; margin:6px 0 12px;}
.project-card p{font-size:14.5px; color:var(--text-dim); line-height:1.6; margin-bottom:18px;}
.chip-row{display:flex; gap:8px; flex-wrap:wrap;}
.chip{font-family:var(--mono); font-size:11.5px; color:var(--text-faint); border:1px solid var(--border); border-radius:4px; padding:4px 9px;}

/* ===== contact ===== */
.contact-box{
  border:1px solid var(--border); border-radius:8px; padding:48px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:24px;
}
.contact-box h3{font-family:var(--mono); font-size:26px; margin-bottom:10px;}
.contact-box p{color:var(--text-dim); max-width:400px;}
.contact-btns{display:flex; gap:12px; flex-wrap:wrap;}

footer{
  padding:24px 60px; border-top:1px solid var(--border);
  display:flex; justify-content:space-between; font-family:var(--mono); font-size:13px; color:var(--text-faint);
  position:relative; z-index:1;
}

/* ===== about page ===== */
main{max-width:900px; margin:0 auto; padding:110px 40px 100px; position:relative; z-index:1;}
.intro-row{display:flex; justify-content:space-between; align-items:flex-start; gap:40px;}
.intro-text{flex:1; min-width:0;}
main h1{font-family:var(--mono); font-weight:700; font-size:64px; line-height:1; margin-bottom:28px;}
.lede{font-size:19px; line-height:1.7; color:var(--text-dim); max-width:680px; margin-bottom:50px;}
.profile-pic{
  flex-shrink:0; width:180px; height:180px; border-radius:50%;
  border:1px dashed var(--border-hover);
  background:var(--bg-alt);
  display:flex; align-items:center; justify-content:center;
  text-align:center; overflow:hidden;
}
.profile-pic img{width:100%; height:100%; object-fit:cover; display:block;}
.profile-pic span{font-family:var(--mono); font-size:12px; color:var(--text-faint); padding:0 20px; line-height:1.6;}
@media (max-width:700px){
  .intro-row{flex-direction:column-reverse; align-items:center; text-align:center;}
}
main h2{font-family:var(--mono); font-size:26px; margin:0 0 24px; display:flex; align-items:center; gap:16px;}
.about-block{margin-bottom:64px;}
.about-block p{font-size:15.5px; line-height:1.8; color:var(--text-dim); margin-bottom:16px; max-width:720px;}
.highlights{display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:8px;}
.highlight{border:1px solid var(--border); border-radius:8px; background:var(--bg-alt); padding:20px;}
.highlight b{display:block; font-family:var(--mono); color:var(--accent); font-size:14px; margin-bottom:8px;}
.highlight span{font-size:13.5px; color:var(--text-dim); line-height:1.6;}

/* ===== website-security detail page ===== */
.eyebrow2{font-family:var(--mono); color:var(--accent); font-size:13px; letter-spacing:2px; margin-bottom:18px;}
.status-row{display:flex; gap:12px; margin-bottom:50px; flex-wrap:wrap;}
.pill{font-family:var(--mono); font-size:12.5px; border:1px solid var(--border); border-radius:20px; padding:6px 14px; color:var(--text-dim);}
.pill b{color:var(--accent);}
.practice{border:1px solid var(--border); border-radius:8px; background:var(--bg-alt); padding:20px 24px; margin-bottom:14px;}
.practice h3{font-family:var(--mono); font-size:15.5px; color:var(--accent); margin-bottom:8px;}
.practice p{font-size:14.5px; color:var(--text-dim); line-height:1.65;}
.code{
  background:var(--panel); border:1px solid var(--border); border-radius:8px;
  padding:20px 24px; font-family:var(--mono); font-size:13px; color:var(--text-dim);
  line-height:1.8; overflow-x:auto; margin-bottom:24px;
}
.code .c{color:var(--accent);}
.code .s{color:#e8d98a;}

/* ===== project detail pages (nextcloud, wireguard, etc.) ===== */
.project-hero{
  min-height:180px; display:flex; align-items:center;
  padding:110px 60px 40px; max-width:900px; position:relative; z-index:1;
}
.project-hero h1{font-family:var(--mono); font-size:48px; line-height:1.05; margin-bottom:16px;}
.project-hero p{font-size:17px; color:var(--text-dim); max-width:680px; line-height:1.7;}

.project-section{padding:20px 60px 60px; position:relative; z-index:1;}
.project-section h2{
  font-family:var(--mono); font-size:24px; color:var(--accent);
  margin:44px 0 16px; display:flex; align-items:center; gap:12px;
}
.project-section h2::before{content:'>';}
.project-section p{font-size:15.5px; color:var(--text-dim); line-height:1.75; max-width:780px;}

.stat-row{display:grid; grid-template-columns:repeat(auto-fit, minmax(150px, 1fr)); gap:16px; margin-top:24px;}
.stat-card{border:1px solid var(--border); border-radius:8px; background:var(--bg-alt); padding:20px 16px; text-align:center;}
.stat-card .num{font-family:var(--mono); font-size:1.7rem; font-weight:bold; color:var(--accent); display:block;}
.stat-card .label{font-size:11.5px; color:var(--text-faint); margin-top:6px; text-transform:uppercase; letter-spacing:.05em;}

.feature-list{list-style:none; margin:10px 0 0;}
.feature-list li{padding:8px 0 8px 24px; position:relative; color:var(--text-dim); font-size:15px;}
.feature-list li::before{content:'›'; color:var(--accent); position:absolute; left:0; font-size:19px; line-height:1.2;}

.tools-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(150px, 1fr)); gap:14px; margin-top:14px;}
.tool-card{border:1px solid var(--border); border-radius:8px; background:var(--bg-alt); padding:18px 16px; text-align:center; color:var(--text-dim); font-size:14px;}
.tool-card .tool-icon{font-size:24px; margin-bottom:8px;}
.tool-card .tool-name{color:var(--accent); font-family:var(--mono); font-weight:600; font-size:13px;}

.det-skill-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(220px, 1fr)); gap:14px; margin-top:14px;}
.det-skill-item{
  border:1px solid var(--border); border-radius:8px; background:var(--bg-alt);
  padding:14px 18px; color:var(--text-dim); font-size:14.5px; display:flex; align-items:center; gap:10px;
}
.det-skill-item::before{content:'›'; color:var(--accent); font-size:19px; line-height:1;}

.screenshots{display:grid; grid-template-columns:repeat(auto-fit, minmax(340px, 1fr)); gap:20px; margin-top:18px;}
.screenshots img{width:100%; height:auto; border-radius:8px; border:1px solid var(--border); cursor:pointer;}

.gallery-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(340px, 1fr)); gap:20px; margin-top:10px;}
.gallery-img{
  width:100%; height:230px; object-fit:cover; border-radius:8px; border:1px solid var(--border);
  cursor:pointer; transition:transform .2s, border-color .2s;
}
.gallery-img:hover{transform:scale(1.02); border-color:var(--border-hover);}

.lightbox{display:none; position:fixed; inset:0; background:rgba(0,0,0,0.92); justify-content:center; align-items:center; z-index:9999;}
.lightbox.active{display:flex;}
.lightbox img{max-width:90vw; max-height:90vh; object-fit:contain; border-radius:8px; border:1px solid var(--border);}

/* Pi-hole flow diagram */
.flow-row{display:flex; align-items:center; flex-wrap:wrap; margin:24px 0;}
.flow-node{border:1px solid var(--border); border-radius:8px; background:var(--bg-alt); padding:18px 22px; text-align:center; min-width:120px; flex:1;}
.flow-node .node-icon{font-size:22px; margin-bottom:6px;}
.flow-node .node-label{font-family:var(--mono); font-size:14px; font-weight:bold; color:var(--accent);}
.flow-node .node-sub{font-size:11.5px; color:var(--text-faint); margin-top:3px;}
.flow-arrow{display:flex; flex-direction:column; align-items:center; padding:0 8px; min-width:60px; flex:0 0 auto;}
.flow-arrow .arrow-label{font-family:var(--mono); font-size:10.5px; color:var(--accent); margin-bottom:3px; white-space:nowrap;}
.flow-arrow .arrow-line{width:100%; height:2px; background:linear-gradient(90deg, transparent, var(--accent)); position:relative;}
.flow-arrow .arrow-line::after{content:'▶'; position:absolute; right:-7px; top:-8px; font-size:9px; color:var(--accent);}
.flow-arrow .arrow-sub{font-size:10px; color:var(--text-faint); margin-top:3px; white-space:nowrap;}
.doh-badge{display:inline-block; background:color-mix(in srgb, var(--accent) 12%, transparent); border:1px solid color-mix(in srgb, var(--accent) 35%, transparent); color:var(--accent); font-family:var(--mono); font-size:10.5px; padding:2px 8px; border-radius:20px; margin-top:5px;}
.tag-cloud{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px;}
.tag{font-family:var(--mono); font-size:12.5px; padding:6px 14px; border-radius:20px; background:var(--bg-alt); border:1px solid var(--border); color:var(--text-dim);}
.tag.threat{border-color:color-mix(in srgb, var(--accent) 40%, transparent); color:var(--accent);}
.code-block{
  background:var(--panel); border:1px solid var(--border); border-left:3px solid var(--accent); border-radius:8px;
  padding:20px 24px; font-family:var(--mono); font-size:13px; color:var(--text-dim); line-height:1.9; overflow-x:auto; margin-top:14px;
}
.code-block .cmd{color:#e8d98a;}
.code-block .val{color:var(--accent);}
.code-block .cmt{color:var(--text-faint);}
.inline-code{color:var(--accent); font-family:var(--mono);}

@media (max-width:768px){
  header{padding:16px 24px;}
  .hero{padding:90px 24px 60px;}
  .hero h1{font-size:48px;}
  section{padding:60px 24px;}
  .skills-grid{grid-template-columns:1fr 1fr;}
  .projects-grid{grid-template-columns:1fr;}
  .project-hero{padding:90px 24px 30px;}
  .project-hero h1{font-size:32px;}
  .project-section{padding:10px 24px 40px;}
  .contact-box{flex-direction:column; align-items:flex-start;}
  main{padding:90px 24px 60px;}
  main h1{font-size:42px;}
  .highlights{grid-template-columns:1fr;}
}