:root{
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0,0,0,.25);

  /* dark */
  --bg: #0b0f19;
  --bg2:#0a0d14;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.04);
  --border: rgba(255,255,255,.10);
  --text: #eef2ff;
  --muted:#a7b0c5;
  --accent:#7c5cff;
  --accent2:#2dd4bf;
  --link:#9aa7ff;
}

html[data-theme="light"]{
  --bg:#f7f8fb;
  --bg2:#ffffff;
  --panel: rgba(0,0,0,.04);
  --panel2: rgba(0,0,0,.03);
  --border: rgba(0,0,0,.08);
  --text:#0b1220;
  --muted:#55627a;
  --accent:#5b4dff;
  --accent2:#0ea5e9;
  --link:#2b59ff;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(900px 500px at 15% 0%, rgba(124,92,255,.22), transparent 60%),
    radial-gradient(900px 500px at 85% 10%, rgba(45,212,191,.14), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--text);
}

.container{max-width:1120px;margin:0 auto;padding:0 18px}
a{color:inherit}
.muted{color:var(--muted)}
.tiny{font-size:13px}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}

.topbar{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom:1px solid var(--border);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background: linear-gradient(135deg, rgba(124,92,255,.75), rgba(45,212,191,.65));
  color:white;font-weight:800;
  box-shadow: 0 10px 30px rgba(124,92,255,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-weight:750}
.brand-role{font-size:12px;color:var(--muted)}

.nav{display:flex;align-items:center;gap:10px;position:relative}
.navlinks{display:flex;gap:10px;list-style:none;margin:0;padding:0}
.navlinks a{
  text-decoration:none;
  color:var(--muted);
  padding:8px 10px;border-radius:999px;
}
.navlinks a.active, .navlinks a:hover{
  color:var(--text);
  background: var(--panel);
  border:1px solid var(--border);
}

.icon-btn{
  width:42px;height:42px;border-radius:14px;
  border:1px solid var(--border);
  background: var(--panel);
  color:var(--text);
  cursor:pointer;
}
.icon-btn:hover{background: var(--panel2)}
.icon{font-size:14px;font-weight:800;letter-spacing:.04em}

.burger{
  display:none;
  width:42px;height:42px;border-radius:14px;
  border:1px solid var(--border);
  background: var(--panel);
  cursor:pointer;
}
.burger span{display:block;height:2px;margin:6px 10px;background:var(--text);opacity:.8}

.hero{padding:64px 0 28px; position:relative}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:stretch}

.fade-bottom{
  position:absolute;left:0;right:0;bottom:0;height:70px;
  background: linear-gradient(180deg, transparent, color-mix(in oklab, var(--bg) 60%, transparent));
}

.headline{font-size:44px;line-height:1.05;margin:10px 0 12px}
.lead{font-size:16px;line-height:1.6;margin:0 0 18px;color:var(--muted)}

.card{
  border:1px solid var(--border);
  border-radius:var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding:18px;
}
.portrait-wrap{
  display:flex;
  justify-content:center;
  margin:4px 0 18px;
}
.portrait{
  width:min(42vw, 210px);
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:26px;
  border:2px solid color-mix(in oklab, var(--accent) 35%, var(--border));
  box-shadow: 0 18px 44px rgba(0,0,0,.35);
  background: color-mix(in oklab, var(--panel) 70%, transparent);
}
.hero-photo{
  position:relative;
  display:grid;
  place-items:center;
  margin:0 auto 18px;
  width:min(46vw, 240px);
}
.photo-backdrop{
  position:absolute;
  inset: -16px;
  border-radius:34px;
  background:
    radial-gradient(120% 120% at 30% 20%, rgba(124,92,255,.22), transparent 50%),
    radial-gradient(120% 120% at 80% 20%, rgba(45,212,191,.18), transparent 50%),
    color-mix(in oklab, var(--panel) 70%, transparent);
  filter: blur(6px);
  z-index:0;
}
.hero-photo img{position:relative; z-index:1;}
.cert-logo{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:32px;
  height:32px;
  padding:0 10px;
  border-radius:12px;
  font-size:13px;
  font-weight:750;
  color:var(--text);
  background: linear-gradient(135deg, rgba(124,92,255,.65), rgba(45,212,191,.55));
  margin-right:8px;
}
.cert-logo-in{
  background: none;
  width:32px;
  height:32px;
  padding:0;
  border-radius:6px;
  background-color:#0077b5;
  mask: none;
  -webkit-mask: none;
  background-size: cover;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 34 34'%3E%3Crect width='34' height='34' rx='5' fill='%230077b5'/%3E%3Cpath fill='white' d='M8 12h4v14H8zM10 8a2 2 0 110 4 2 2 0 010-4zm7 4h4v2h.06c.56-1.06 1.93-2.18 3.97-2.18 4.25 0 5.04 2.8 5.04 6.44V26h-4v-6.45c0-1.54-.03-3.52-2.15-3.52-2.16 0-2.49 1.68-2.49 3.41V26h-4z'/%3E%3C/svg%3E");
}
.cert-logo-f{
  background: none;
  width:32px;
  height:32px;
  padding:0;
  border-radius:6px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Crect width='100' height='100' rx='18' fill='%23fff'/%3E%3Crect x='6' y='20' width='88' height='20' rx='5' fill='%23ee3124'/%3E%3Crect x='6' y='60' width='88' height='20' rx='5' fill='%23ee3124'/%3E%3Crect x='6' y='40' width='18' height='20' rx='5' fill='%23ee3124'/%3E%3Crect x='76' y='40' width='18' height='20' rx='5' fill='%23ee3124'/%3E%3Crect x='41' y='40' width='18' height='20' rx='5' fill='%23ee3124'/%3E%3C/svg%3E");
}
.cert-logo-c{
  background: none;
  width:38px;
  height:32px;
  padding:0;
  border-radius:6px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 80'%3E%3Crect width='200' height='80' fill='white'/%3E%3Cpath fill='%23c20000' d='M20 20a8 8 0 018-8h34a8 8 0 018 8v40h-18V34H38v26H20zM78 12h18v48H78zm27 0h18v48h-18zm27 0h34a8 8 0 018 8v32a8 8 0 01-8 8h-34V12zm18 16v16h10V28z'/%3E%3Ctext x='10' y='75' fill='%23333' font-family='Arial' font-size='10'>ICSI - Certified Network Security Specialist</text>%3E%3C/svg%3E");
}
.glass{
  background: linear-gradient(180deg, var(--panel), color-mix(in oklab, var(--panel2) 65%, transparent));
}

.section{padding:56px 0}
.section.alt{
  background: linear-gradient(180deg, transparent, color-mix(in oklab, var(--panel2) 80%, transparent), transparent);
}
.section-head{margin-bottom:16px}
.section-head h2{margin:0 0 6px;font-size:28px}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 12px;border-radius:999px;
  border:1px solid var(--border);
  background: var(--panel);
  color:var(--muted);
}
.pill.subtle{background: var(--panel2)}
.pill.active{
  color:var(--text);
  background: color-mix(in oklab, var(--accent) 22%, var(--panel));
  border-color: color-mix(in oklab, var(--accent) 30%, var(--border));
}

.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 18px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 14px;border-radius:999px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--accent) 22%, var(--panel));
  text-decoration:none;
  font-weight:650;
}
.btn-icon{margin-right:6px;font-size:13px;line-height:1}
.btn-icon svg{width:16px;height:16px;display:block}
.btn.ghost{
  border:1px solid color-mix(in oklab, var(--border) 70%, rgba(255,255,255,.16));
  background: color-mix(in oklab, var(--panel2) 75%, rgba(255,255,255,.04));
}
.btn.ghost:hover{
  background: color-mix(in oklab, var(--panel2) 70%, rgba(255,255,255,.08));
  border-color: color-mix(in oklab, var(--accent) 30%, var(--border));
}
.btn:hover{background: color-mix(in oklab, var(--accent) 30%, var(--panel))}
.btn.ghost{background: var(--panel2)}
.btn.ghost:hover{background: var(--panel)}
.btn.soft{
  background: color-mix(in oklab, var(--accent2) 16%, var(--panel));
}
.btn.soft:hover{background: color-mix(in oklab, var(--accent2) 22%, var(--panel))}

.stats{display:grid;grid-template-columns:repeat(3, 1fr);gap:10px;margin-top:10px}
.stat{border:1px solid var(--border);border-radius:16px;background:var(--panel2);padding:12px}
.stat-num{font-weight:800}
.stat-label{font-size:12px;color:var(--muted);margin-top:4px}

.keypoints{list-style:none;padding:0;margin:0}
.keypoints li{display:flex;gap:10px;align-items:flex-start;color:var(--muted);margin:10px 0}
.dot{width:10px;height:10px;border-radius:999px;margin-top:6px;background: linear-gradient(135deg, var(--accent), var(--accent2));flex:0 0 auto}

.card-actions{display:flex;gap:10px;margin-top:14px}
.mini{
  border:1px solid var(--border);
  background: var(--panel2);
  padding:8px 10px;border-radius:999px;
  text-decoration:none;
  color:var(--text);
  cursor:pointer;
}
.mini:hover{background: var(--panel)}

.grid-mini{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.mini-card{box-shadow:none;background:var(--panel2)}
.mini-title{font-weight:750}
.mini-text{margin-top:4px;font-size:13px}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}

.k{font-weight:800;margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-size:13px;color:var(--muted);
  border:1px solid color-mix(in oklab, var(--border) 75%, rgba(255,255,255,.12));
  background: color-mix(in oklab, var(--panel) 65%, rgba(255,255,255,.10));
  padding:7px 10px;border-radius:999px;
}

.list{margin:0;padding-left:18px;color:var(--muted)}
.list li{margin:8px 0}

.filters{display:flex;gap:8px;flex-wrap:wrap}
.projects-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:14px;
  margin-top:14px;
}
.project{
  cursor:pointer;
  transition: transform .12s ease;
}
.project:hover{transform: translateY(-2px)}
.project[data-category="network"]{
  background: linear-gradient(135deg, color-mix(in oklab, var(--panel) 80%, rgba(124,92,255,.25)), color-mix(in oklab, var(--panel2) 80%, rgba(45,212,191,.16)));
  border:1px solid color-mix(in oklab, var(--border) 60%, rgba(124,92,255,.35));
}
.project[data-category="systems"]{
  background: linear-gradient(135deg, color-mix(in oklab, var(--panel) 80%, rgba(46,204,113,.18)), color-mix(in oklab, var(--panel2) 80%, rgba(52,152,219,.16)));
  border:1px solid color-mix(in oklab, var(--border) 60%, rgba(46,204,113,.30));
}
.project[data-category="ops"]{
  background: linear-gradient(135deg, color-mix(in oklab, var(--panel) 80%, rgba(255,199,80,.18)), color-mix(in oklab, var(--panel2) 80%, rgba(255,121,85,.14)));
  border:1px solid color-mix(in oklab, var(--border) 60%, rgba(255,199,80,.28));
}
.project-title{margin:0 0 6px;font-size:18px}
.project-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tag{
  font-size:12px;color:var(--muted);
  border:1px solid color-mix(in oklab, var(--border) 70%, rgba(255,255,255,.12));
  background: color-mix(in oklab, var(--panel2) 60%, rgba(255,255,255,.08));
  padding:6px 9px;border-radius:999px;
}

.timeline{display:grid;gap:14px}
.timeline-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;flex-wrap:wrap}

label{display:block;margin-top:10px;color:var(--muted);font-size:13px}
.input-wrap{display:block;margin-top:12px}
.input-label{display:block;margin-bottom:6px;color:var(--text);font-weight:600;font-size:13px}
.input-field{
  display:flex;align-items:center;gap:8px;
  border:1px solid color-mix(in oklab, var(--border) 70%, rgba(255,255,255,.14));
  background: color-mix(in oklab, var(--panel2) 65%, rgba(255,255,255,.06));
  border-radius:14px;
  padding:10px 12px;
}
.input-icon{color:color-mix(in oklab, var(--muted) 80%, var(--text) 20%);font-size:14px}
.input-icon svg{width:16px;height:16px;display:block}
.input-field input, .input-field textarea{
  width:100%;
  padding:10px 6px;
  border:none;
  background:transparent;
  color:var(--text);
  outline:none;
  font-size:14px;
}
.input-field input:focus, .input-field textarea:focus{
  outline:none;
}
.input-field textarea{resize:none;}
.input-field:focus-within{
  border-color: color-mix(in oklab, var(--accent) 55%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent) 24%, transparent);
}

.link{color:var(--link);text-decoration:none}
.link:hover{text-decoration:underline}

.footer{
  padding:22px 0;
  border-top:1px solid var(--border);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
}
.contact-lines{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin:10px 0 12px;
}
.contact-line{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px;
  border:1px solid color-mix(in oklab, var(--border) 75%, rgba(255,255,255,.10));
  border-radius:14px;
  background: color-mix(in oklab, var(--panel2) 70%, rgba(255,255,255,.06));
}
.contact-label{
  min-width:32px;
  height:32px;
  display:grid;
  place-items:center;
  border-radius:10px;
  background: color-mix(in oklab, var(--accent) 25%, var(--panel));
  color:var(--text);
  font-weight:700;
}
.contact-label svg{width:18px;height:18px;display:block}
.contact-link{
  color:var(--text);
  text-decoration:none;
  font-weight:650;
}
.contact-link:hover{text-decoration:underline}
.contact-cta{
  display:flex;
  flex-direction:column;
  gap:10px;
  margin-top:8px;
}

/* Modal */
.modal{position:fixed;inset:0;display:none;z-index:100}
.modal.show{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.60)}
.modal-card{
  position:relative;
  max-width:900px;
  margin:9vh auto 0;
  background: color-mix(in oklab, var(--bg) 88%, #000 12%);
  border:1px solid color-mix(in oklab, var(--border) 80%, rgba(255,255,255,.08));
  border-radius:22px;
  box-shadow: 0 30px 90px rgba(0,0,0,.55);
  padding:24px;
  backdrop-filter: blur(8px);
}
.modal-close{
  position:absolute;right:12px;top:10px;
  width:40px;height:40px;border-radius:14px;
  border:1px solid var(--border);
  background: var(--panel);
  color:var(--text);
  font-size:22px;
  cursor:pointer;
}
.modal-close:hover{background: var(--panel2)}
.modal h2{margin:0 0 8px}
.modal .cols{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.hr{height:1px;background:var(--border);margin:14px 0}

@media (max-width: 1100px){
  .container{max-width:980px}
  .headline{font-size:40px}
  .hero-grid{grid-template-columns:1.1fr .9fr}
}

@media (max-width: 980px){
  .container{max-width:880px;padding:0 16px}
  .headline{font-size:36px}
  .hero{padding:54px 0 24px}
  .projects-grid{grid-template-columns:1fr 1fr}
  .grid-mini{grid-template-columns:1fr 1fr}
}

@media (max-width: 820px){
  .topbar-inner{flex-wrap:wrap;gap:10px}
  .hero-grid{grid-template-columns:1fr}
  .hero-right{order:-1}
  .stats{grid-template-columns:repeat(3, 1fr)}
  .section{padding:48px 0}
  .modal-card{margin:7vh 16px 0}
}

@media (max-width: 720px){
  .burger{display:inline-block}
  .navlinks{
    display:none; position:absolute; right:0; top:56px;
    flex-direction:column; gap:6px;
    padding:10px; min-width:230px;
    background: color-mix(in oklab, var(--bg) 70%, var(--panel));
    border:1px solid var(--border);
    border-radius:16px;
  }
  .navlinks.show{display:flex}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .projects-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .hero-cta{gap:8px}
  .modal .cols{grid-template-columns:1fr}
}

@media (max-width: 560px){
  .container{padding:0 14px}
  .brand-text{display:none}
  .headline{font-size:30px}
  .lead{font-size:15px}
  .hero{padding:44px 0 20px}
  .card{padding:14px}
  .section{padding:40px 0}
  .btn{padding:10px 12px}
  .hero-cta{flex-direction:column;align-items:flex-start}
  .hero-photo{width:min(70vw, 240px)}
  .portrait{width:min(70vw, 200px)}
  .timeline-head{flex-direction:column;align-items:flex-start}
  .contact-line{flex-wrap:wrap}
  .modal-card{padding:18px}
}