:root {
  --bg: #0b0f14;
  --bg-2: #10161d;
  --card: #131a22;
  --line: #1f2a36;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #3ddc97;
  --accent-2: #4cc9f0;
  --accent-dim: rgba(61, 220, 151, .12);
  --radius: 14px;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --max: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--accent); color: #04130c; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); }
.accent { color: var(--accent); }

/* ---------- nav ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  background: rgba(11, 15, 20, .72);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.nav.scrolled { border-bottom-color: var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-family: var(--mono); font-weight: 700; font-size: 15px; }
.brand span { color: var(--accent); }
.nav-links { display: flex; gap: 28px; font-size: 14px; color: var(--muted); }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); padding: 8px; cursor: pointer; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 10px;
  font-weight: 600; font-size: 15px;
  border: 1px solid var(--line);
  transition: transform .15s, background .15s, border-color .15s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #04130c; border-color: var(--accent); }
.btn-primary:hover { background: #5ce8aa; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn svg { width: 18px; height: 18px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh; min-height: 100svh;
  display: flex; align-items: center;
  padding: 110px 0 70px;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(76, 201, 240, .10), transparent 60%),
    radial-gradient(700px 500px at 5% 90%, rgba(61, 220, 151, .10), transparent 60%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 70%);
  opacity: .35;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.25fr .75fr; gap: 56px; align-items: center; }
.status {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 13px var(--mono); color: var(--accent);
  background: var(--accent-dim); border: 1px solid rgba(61, 220, 151, .25);
  padding: 6px 12px; border-radius: 99px; margin-bottom: 24px;
}
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(61,220,151,.6); } 70% { box-shadow: 0 0 0 10px rgba(61,220,151,0); } 100% { box-shadow: 0 0 0 0 rgba(61,220,151,0); } }
.hero h1 { font-size: clamp(40px, 6.5vw, 72px); line-height: 1.05; margin: 0 0 18px; letter-spacing: -.03em; font-weight: 800; }
.hero h1 .grad { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.prompt { font: 500 clamp(15px, 2vw, 19px) var(--mono); color: var(--muted); margin: 0 0 22px; min-height: 1.6em; }
.prompt .typed { color: var(--text); }
.cursor { display: inline-block; width: .6em; height: 1.1em; background: var(--accent); vertical-align: -3px; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero p.lead { color: var(--muted); font-size: 18px; max-width: 560px; margin: 0 0 32px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; }
.socials { display: flex; gap: 10px; flex-wrap: wrap; }
.socials a {
  width: 42px; height: 42px; display: grid; place-items: center;
  border: 1px solid var(--line); border-radius: 10px; color: var(--muted);
  transition: color .15s, border-color .15s, transform .15s;
}
.socials a:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.socials svg { width: 18px; height: 18px; }

.portrait { position: relative; justify-self: end; width: 100%; max-width: 380px; }
.portrait .frame {
  position: relative; border-radius: 22px; overflow: hidden;
  border: 1px solid var(--line); aspect-ratio: 4/5;
  box-shadow: 0 30px 80px -20px rgba(0,0,0,.7);
}
.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.portrait::before {
  content: ""; position: absolute; inset: -14px -14px 14px 14px; border-radius: 26px;
  border: 1px dashed rgba(61,220,151,.4); z-index: -1;
}
.badge-cert {
  position: absolute; left: -28px; bottom: 28px;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 16px; display: flex; gap: 12px; align-items: center;
  box-shadow: 0 20px 40px -10px rgba(0,0,0,.6);
}
.badge-cert b { display: block; font-size: 14px; }
.badge-cert small { color: var(--muted); font-size: 12px; }
.badge-cert .ico { width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; background: rgba(255,153,0,.14); color: #ff9900; flex: none; }

/* ---------- sections ---------- */
section { padding: 110px 0; }
section.alt { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.eyebrow { font: 500 13px var(--mono); color: var(--accent); letter-spacing: .04em; margin-bottom: 12px; }
.eyebrow::before { content: "# "; opacity: .6; }
h2 { font-size: clamp(30px, 4vw, 44px); line-height: 1.15; letter-spacing: -.02em; margin: 0 0 18px; font-weight: 800; }
.section-lead { color: var(--muted); max-width: 640px; margin: 0 0 56px; font-size: 17px; }

/* about */
.about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 64px; align-items: start; }
.about-grid p { color: var(--muted); margin: 0 0 18px; font-size: 17px; }
.about-grid p strong { color: var(--text); font-weight: 600; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.stat b { display: block; font: 700 38px/1 var(--mono); color: var(--text); margin-bottom: 8px; }
.stat b em { font-style: normal; color: var(--accent); }
.stat span { color: var(--muted); font-size: 14px; }
.stat.wide { grid-column: span 2; display: flex; align-items: center; gap: 16px; }
.stat.wide b { font-size: 16px; margin: 0; font-family: var(--sans); }
.certs { display: flex; flex-direction: column; gap: 4px; }

/* services */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(61,220,151,.45); transform: translateY(-4px); }
.card .ico, .stat .ico { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-dim); color: var(--accent); margin-bottom: 20px; }
.card .ico svg { width: 24px; height: 24px; }
.card h3 { margin: 0 0 12px; font-size: 21px; }
.card p { color: var(--muted); margin: 0 0 20px; font-size: 15px; }
.card ul { list-style: none; margin: 0; padding: 18px 0 0; border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 10px; }
.card li { font-size: 14px; display: grid; grid-template-columns: 110px 1fr; gap: 10px; }
.card li b { font: 500 12.5px/1.8 var(--mono); color: var(--accent-2); }
.card li span { color: var(--muted); }
.card.tags-card ul { flex-direction: row; flex-wrap: wrap; gap: 8px; }

/* skills */
.skill-groups { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.skill-group h4 { font: 600 13px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin: 0 0 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font: 500 13px var(--mono); padding: 7px 12px; border-radius: 8px;
  background: var(--card); border: 1px solid var(--line); color: var(--text);
  transition: border-color .15s, color .15s;
}
.tag:hover { border-color: var(--accent); color: var(--accent); }

/* experience */
.timeline { position: relative; display: flex; flex-direction: column; gap: 22px; }
.timeline::before { content: ""; position: absolute; left: 11px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(var(--accent), var(--line)); }
.job { position: relative; padding-left: 48px; }
.job::before {
  content: ""; position: absolute; left: 4px; top: 30px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--accent);
}
.job .card { padding: 26px 30px; }
.job-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 20px; align-items: baseline; margin-bottom: 10px; }
.job-head h3 { margin: 0; font-size: 20px; }
.job-head .when { font: 500 13px var(--mono); color: var(--accent); background: var(--accent-dim); padding: 4px 10px; border-radius: 6px; }
.job .org { color: var(--accent-2); font-weight: 600; font-size: 15px; margin-bottom: 10px; }
.job p { color: var(--muted); margin: 0; font-size: 15px; }

/* testimonials */
.quotes { columns: 3 320px; column-gap: 20px; }
.quote { break-inside: avoid; margin: 0 0 20px; }
.quote .card { padding: 26px; }
.quote blockquote { margin: 0 0 20px; color: #c9d4df; font-size: 15px; }
.quote blockquote::before { content: "\201C"; display: block; font: 800 44px/0.6 Georgia, serif; color: var(--accent); margin-bottom: 14px; }
.who { display: flex; align-items: center; gap: 12px; }
.who img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; border: 2px solid var(--line); }
.who b { display: block; font-size: 15px; }
.who small { display: block; color: var(--muted); font-size: 13px; line-height: 1.4; }

/* contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.terminal { background: #070a0d; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font: 14px/1.9 var(--mono); }
.terminal .bar { display: flex; gap: 8px; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); align-items: center; }
.terminal .bar i { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; }
.terminal .bar i:nth-child(2) { background: #febc2e; }
.terminal .bar i:nth-child(3) { background: #28c840; }
.terminal .bar span { margin-left: 10px; color: var(--muted); font-size: 12px; }
.terminal pre { margin: 0; padding: 20px 22px; white-space: pre-wrap; word-break: break-word; color: var(--muted); font: inherit; }
.terminal .k { color: var(--accent-2); }
.terminal .v { color: var(--text); }
.terminal .p { color: var(--accent); }
.terminal a.v:hover { color: var(--accent); text-decoration: underline; }
.contact-list { display: flex; flex-direction: column; gap: 14px; }
.contact-item { display: flex; gap: 16px; align-items: center; padding: 18px 20px; }
.contact-item .ico { margin: 0; flex: none; }
.contact-item small { display: block; color: var(--muted); font-size: 13px; }
.contact-item b { font-weight: 600; word-break: break-word; }

footer { border-top: 1px solid var(--line); padding: 32px 0; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .status i, .cursor { animation: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
  .portrait { justify-self: center; max-width: 320px; order: -1; }
  .services { grid-template-columns: 1fr; }
  .skill-groups { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 16px; }
  section { padding: 80px 0; }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 16px; border-top: 1px solid var(--line); }
  .hero { padding-top: 96px; }
  .portrait { max-width: 260px; }
  .badge-cert { left: -10px; bottom: 16px; }
  .skill-groups { grid-template-columns: 1fr; }
  .card { padding: 24px; }
  .card li { grid-template-columns: 1fr; gap: 0; }
  .job { padding-left: 36px; }
  .job .card { padding: 22px; }
  .timeline::before { left: 7px; }
  .job::before { left: 0; }
}