/* ==========================================================================
   bitsofalber — professional Blue Team / SOC portfolio
   Design system (shared across all pages)
   ========================================================================== */
:root{
  --bg:#0A0E16;
  --bg-2:#0D131E;
  --surface:#121A28;
  --surface-2:#161F30;
  --border:rgba(255,255,255,.07);
  --border-strong:rgba(255,255,255,.14);
  --text:#E7EEF7;
  --muted:#93A1B5;
  --dim:#6B7A90;
  --accent:#2DD4BF;
  --accent-2:#38BDF8;
  --accent-soft:rgba(45,212,191,.12);
  --danger:#F0556B;
  --radius:16px;
  --radius-lg:22px;
  --maxw:1120px;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  color:var(--text);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* --- background layers: subtle grid + teal glow --- */
.bg-grid{
  position:fixed; inset:0; z-index:-2; pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 90% 60% at 50% 0%,#000 20%,transparent 75%);
}
.bg-glow{
  position:fixed; inset:0; z-index:-3; pointer-events:none;
  background:
    radial-gradient(50% 40% at 15% 8%,rgba(45,212,191,.10),transparent 60%),
    radial-gradient(45% 40% at 88% 18%,rgba(56,189,248,.07),transparent 60%);
}

/* --- layout --- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:64px 0;}

/* --- nav --- */
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(10,14,22,.72);
  border-bottom:1px solid var(--border);
}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-weight:800;letter-spacing:-.01em;}
.brand .logo{
  width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--accent),var(--accent-2));
  color:#04120F;font-family:var(--mono);font-weight:800;font-size:15px;
  box-shadow:0 0 20px rgba(45,212,191,.35);
}
.brand small{display:block;font-weight:500;font-size:11px;color:var(--muted);font-family:var(--mono);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;
  padding:8px 12px;border-radius:9px;transition:.2s;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-links a.cta{color:#04120F;background:var(--accent);font-weight:700;}
.nav-links a.cta:hover{background:#5fe6d4;}
.nav-toggle{display:none;background:none;border:1px solid var(--border);color:var(--text);border-radius:9px;padding:8px 10px;cursor:pointer;}

/* --- kicker + headings --- */
.kicker{font-family:var(--mono);font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:8px;}
.kicker::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.6;}
h1,h2,h3{letter-spacing:-.02em;line-height:1.15;}
.h-section{font-size:clamp(24px,3.4vw,34px);font-weight:800;margin:14px 0 8px;}
.section-sub{color:var(--muted);max-width:640px;}

/* --- buttons --- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:12px 20px;border-radius:11px;font-weight:600;font-size:14.5px;text-decoration:none;transition:.2s;cursor:pointer;border:1px solid transparent;}
.btn-primary{background:var(--accent);color:#04120F;box-shadow:0 6px 22px rgba(45,212,191,.22);}
.btn-primary:hover{background:#5fe6d4;transform:translateY(-2px);}
.btn-outline{border-color:var(--border-strong);color:var(--text);background:rgba(255,255,255,.02);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}

/* --- chips / badges --- */
.chips{display:flex;flex-wrap:wrap;gap:9px;}
.chip{
  font-family:var(--mono);font-size:12.5px;color:var(--muted);
  background:rgba(255,255,255,.03);border:1px solid var(--border);
  padding:6px 12px;border-radius:999px;
}
.chip.accent{color:var(--accent);border-color:rgba(45,212,191,.35);background:var(--accent-soft);}
.cred{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text);background:rgba(255,255,255,.03);border:1px solid var(--border);padding:7px 13px;border-radius:10px;}
.cred .ic{color:var(--accent);}

/* --- hero --- */
.hero{padding:56px 0 40px;display:grid;grid-template-columns:1.35fr .9fr;gap:52px;align-items:center;}
.hero h1{font-size:clamp(34px,5vw,52px);font-weight:800;margin:16px 0 12px;}
.hero h1 .grad{background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero .lead{color:var(--muted);font-size:17px;max-width:540px;margin-bottom:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.socials{display:flex;gap:10px;}
.socials a{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;border:1px solid var(--border);color:var(--muted);transition:.2s;background:rgba(255,255,255,.02);}
.socials a:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px);}
.socials svg{width:19px;height:19px;}

/* profile card */
.profile{
  background:linear-gradient(160deg,var(--surface),var(--bg-2));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:30px 26px;text-align:center;position:relative;overflow:hidden;
}
.profile::before{content:"";position:absolute;top:0;left:24px;right:24px;height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);}
.profile img{width:132px;height:132px;border-radius:50%;object-fit:cover;border:3px solid rgba(45,212,191,.5);box-shadow:0 0 0 6px rgba(45,212,191,.08);margin-bottom:16px;}
.profile .p-name{font-size:22px;font-weight:800;}
.profile .p-role{color:var(--muted);font-size:14px;margin-top:4px;font-family:var(--mono);}
.status{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:6px 14px;border-radius:999px;background:var(--accent-soft);border:1px solid rgba(45,212,191,.3);color:var(--accent);font-size:13px;font-weight:600;}
.status .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 0 rgba(45,212,191,.6);animation:pulse 2s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(45,212,191,.5);}70%{box-shadow:0 0 0 8px rgba(45,212,191,0);}100%{box-shadow:0 0 0 0 rgba(45,212,191,0);}}

/* --- cards / grid --- */
.grid{display:grid;gap:18px;}
.cols-2{grid-template-columns:repeat(2,1fr);}
.cols-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;transition:.22s;
}
.card:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:0 14px 40px rgba(0,0,0,.35);}
.card .c-ic{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);margin-bottom:14px;}
.card h3{font-size:17px;font-weight:700;margin-bottom:7px;}
.card p{color:var(--muted);font-size:14px;}

/* project card */
.proj{display:flex;flex-direction:column;text-decoration:none;color:var(--text);}
.proj .p-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.proj .p-tag{font-family:var(--mono);font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.06em;}
.proj h3{font-size:17px;margin-bottom:7px;}
.proj p{color:var(--muted);font-size:14px;margin-bottom:14px;flex:1;}
.proj .p-tech{display:flex;flex-wrap:wrap;gap:7px;}
.proj .p-tech span{font-family:var(--mono);font-size:11px;color:var(--dim);border:1px solid var(--border);padding:3px 8px;border-radius:6px;}
.proj .arrow{color:var(--dim);transition:.2s;}
.proj:hover .arrow{color:var(--accent);transform:translate(2px,-2px);}

/* featured */
.featured{
  position:relative;border-radius:var(--radius-lg);padding:1px;
  background:linear-gradient(140deg,rgba(45,212,191,.5),rgba(56,189,248,.2),transparent 60%);
}
.featured-inner{background:linear-gradient(160deg,var(--surface),var(--bg-2));border-radius:calc(var(--radius-lg) - 1px);padding:34px;}
.featured .flag{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);}
.featured h3{font-size:clamp(22px,3vw,28px);font-weight:800;margin:12px 0 10px;}
.featured p{color:var(--muted);max-width:680px;margin-bottom:20px;}
.lab-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin:6px 0 24px;}
.lab-col h4{font-size:13px;font-family:var(--mono);color:var(--text);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.lab-col ul{list-style:none;display:flex;flex-direction:column;gap:7px;}
.lab-col li{color:var(--muted);font-size:13.5px;padding-left:16px;position:relative;}
.lab-col li::before{content:"▸";position:absolute;left:0;color:var(--accent);opacity:.7;}
.lab-col li b{color:var(--text);font-weight:600;}

/* --- skills groups --- */
.skillgroup{margin-bottom:18px;}
.skillgroup .sg-title{font-size:13px;font-family:var(--mono);color:var(--accent);margin-bottom:11px;letter-spacing:.04em;}

/* --- timeline (cv) --- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;background:var(--border-strong);}
.tl-item{position:relative;margin-bottom:22px;}
.tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(45,212,191,.12);}
.tl-item .tl-role{font-weight:700;font-size:16px;}
.tl-item .tl-meta{color:var(--muted);font-size:13.5px;font-family:var(--mono);margin:3px 0 8px;}
.tl-item ul{list-style:none;display:flex;flex-direction:column;gap:5px;}
.tl-item ul li{color:var(--muted);font-size:14px;padding-left:16px;position:relative;}
.tl-item ul li::before{content:"–";position:absolute;left:0;color:var(--accent);}

/* --- footer --- */
.footer{border-top:1px solid var(--border);padding:44px 0 40px;margin-top:32px;background:linear-gradient(to top,rgba(45,212,191,.03),transparent);}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;align-items:center;}
.footer .f-links{display:flex;gap:20px;flex-wrap:wrap;}
.footer a{color:var(--muted);text-decoration:none;font-size:14px;transition:.2s;}
.footer a:hover{color:var(--accent);}
.footer .f-copy{color:var(--dim);font-size:13px;}

/* --- reveal animation --- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.16,1,.3,1);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}.status .dot{animation:none;}}

/* --- svg line icons (replace emojis) --- */
.icn{width:22px;height:22px;stroke:var(--accent);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.c-ic{width:44px;height:44px;}
.flag-ic{width:16px;height:16px;stroke:var(--accent);fill:none;stroke-width:1.8;vertical-align:-3px;margin-right:6px;}

/* --- hero metrics --- */
.metrics{display:flex;flex-wrap:wrap;gap:0;margin:22px 0;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:rgba(255,255,255,.02);}
.metric{flex:1;min-width:120px;padding:16px 18px;border-right:1px solid var(--border);}
.metric:last-child{border-right:none;}
.metric .m-num{font-size:22px;font-weight:800;color:var(--accent);font-family:var(--mono);line-height:1;}
.metric .m-lbl{font-size:12px;color:var(--muted);margin-top:6px;}
@media(max-width:560px){.metric{flex:1 1 50%;border-bottom:1px solid var(--border);}.metric:nth-child(2){border-right:none;}}

/* --- language toggle --- */
.lang-btn{display:inline-flex;align-items:center;border:1px solid var(--border);border-radius:9px;overflow:hidden;font-family:var(--mono);font-size:12px;}
.lang-btn button{background:none;border:none;color:var(--muted);padding:7px 11px;cursor:pointer;font-family:inherit;font-size:12px;transition:.2s;}
.lang-btn button.on{background:var(--accent);color:#04120F;font-weight:700;}
.lang-btn button:not(.on):hover{color:var(--text);}

/* --- write-ups --- */
.writeup{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;margin-bottom:20px;}
.writeup .wu-head{padding:22px 24px;border-bottom:1px solid var(--border);}
.writeup .wu-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.writeup .wu-tag{font-family:var(--mono);font-size:11px;color:var(--accent);border:1px solid rgba(45,212,191,.3);background:var(--accent-soft);padding:3px 9px;border-radius:6px;}
.writeup .wu-tag.mitre{color:var(--danger);border-color:rgba(240,85,107,.3);background:rgba(240,85,107,.1);}
.writeup h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.writeup .wu-sub{color:var(--muted);font-size:14px;}
.writeup .wu-body{padding:22px 24px;}
.wu-step{margin-bottom:16px;}
.wu-step .wu-k{font-family:var(--mono);font-size:12px;color:var(--accent);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;}
.wu-step p{color:var(--muted);font-size:14px;}
pre.code{background:#0A1018;border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto;font-family:var(--mono);font-size:12.5px;line-height:1.7;color:#C7D2E0;margin-top:6px;}
pre.code .cmt{color:var(--dim);}
pre.code .kw{color:var(--accent);}

/* --- responsive --- */
@media(max-width:860px){
  .hero{grid-template-columns:1fr;gap:34px;}
  .profile{max-width:340px;margin:0 auto;}
  .cols-2{grid-template-columns:1fr;}
  .lab-cols{grid-template-columns:1fr;gap:18px;}
  .nav-links{position:fixed;inset:56px 0 auto 0;flex-direction:column;background:rgba(10,14,22,.97);border-bottom:1px solid var(--border);padding:14px 24px;gap:4px;display:none;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px;border-radius:10px;}
  .nav-toggle{display:block;}
}