/* ============ TOKENS ============ */
:root{
  --bg:#06090d;
  --bg2:#0a0f15;
  --panel:rgba(18,26,34,.62);
  --panel-border:rgba(120,160,180,.14);
  --txt:#dce6ee;
  --dim:#6b7a87;
  --cyan:#28d8c8;
  --cyan-soft:rgba(40,216,200,.12);
  --amber:#f5a623;
  --amber-soft:rgba(245,166,35,.12);
  --red:#ff5f56;
  --font:'Space Grotesk',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--txt);font-family:var(--font);
  line-height:1.6;overflow-x:hidden;
  background-image:
    linear-gradient(rgba(120,160,180,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,160,180,.045) 1px,transparent 1px);
  background-size:44px 44px;
}
.mono{font-family:var(--mono)}
.dim{color:var(--dim)}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
section{max-width:1100px;margin:0 auto;padding:90px 24px}

/* ============ BOOT ============ */
#boot{
  position:fixed;inset:0;background:var(--bg);z-index:99;
  display:flex;align-items:center;justify-content:center;
  transition:opacity .5s ease;
}
#boot.off{opacity:0;pointer-events:none}
#boot-log{font-family:var(--mono);font-size:13px;color:var(--cyan);line-height:1.9;min-width:320px}
#boot-log .ok{color:var(--dim)}

/* ============ TOPBAR ============ */
.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:14px 24px;
  background:rgba(6,9,13,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--panel-border);
}
.brand{display:flex;align-items:center;gap:10px}
.brand-name{font-weight:700;letter-spacing:.06em}
.brand-sub{font-size:10px;color:var(--dim);letter-spacing:.22em;border:1px solid var(--panel-border);padding:3px 8px;border-radius:3px}
.led{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px var(--cyan);display:inline-block;animation:pulse 2.4s infinite}
.led-green{background:#3ddc84;box-shadow:0 0 8px #3ddc84}
.led-amber{background:var(--amber);box-shadow:0 0 8px var(--amber)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.topbar-right{display:flex;align-items:center;gap:18px}
.clock{font-size:12px;color:var(--dim)}
.lang-switch button{
  background:none;border:none;color:var(--dim);font-family:var(--mono);
  font-size:12px;cursor:pointer;padding:4px 6px;letter-spacing:.1em;
}
.lang-switch button.active{color:var(--cyan)}
.lang-switch button:hover{color:var(--txt)}

/* ============ HERO ============ */
.hero{padding-top:70px}
.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:48px;align-items:center}
.kicker{color:var(--cyan);font-size:13px;letter-spacing:.12em;margin-bottom:14px}
h1{font-size:clamp(44px,7vw,84px);line-height:1.02;font-weight:700;letter-spacing:-.02em}
.hero-role{margin:18px 0 22px;font-size:15px;color:var(--txt);letter-spacing:.04em}
.hero-role .x{color:var(--amber);font-weight:700;padding:0 6px}
.hero-pitch{max-width:520px;color:#aab8c4;font-size:17px}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.btn{padding:13px 22px;border-radius:4px;font-size:13px;letter-spacing:.08em;transition:all .2s}
.btn-primary{background:var(--cyan);color:#04211e;font-weight:600}
.btn-primary:hover{box-shadow:0 0 24px rgba(40,216,200,.45);text-decoration:none}
.btn-ghost{border:1px solid var(--panel-border);color:var(--txt)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);text-decoration:none}

/* id card */
.id-card{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:8px;
  overflow:hidden;backdrop-filter:blur(10px);
  box-shadow:0 24px 60px rgba(0,0,0,.5);
  transform:rotate(1.2deg);
}
.id-card-head{
  display:flex;justify-content:space-between;align-items:center;
  font-size:10px;letter-spacing:.14em;color:var(--dim);
  padding:10px 14px;border-bottom:1px solid var(--panel-border);
}
.id-live{display:flex;align-items:center;gap:6px;color:#3ddc84}
.id-photo{position:relative;aspect-ratio:4/4.6;overflow:hidden}
.id-photo img{
  width:100%;height:100%;object-fit:cover;object-position:top;
}
.id-photo::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 72%,rgba(6,9,13,.5));
}
.id-card figcaption{padding:12px 14px;font-size:11px}
.id-row{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px dashed rgba(120,160,180,.1)}
.id-row:last-child{border-bottom:none}

/* kpis */
.kpi-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin-top:64px;background:var(--panel-border);
  border:1px solid var(--panel-border);border-radius:6px;overflow:hidden;
}
.kpi{background:var(--bg2);padding:22px 18px;display:flex;flex-direction:column;gap:6px}
.kpi-num{font-size:34px;font-weight:600;color:var(--cyan)}
.kpi:nth-child(even) .kpi-num{color:var(--amber)}
.kpi-label{font-size:11px;color:var(--dim);letter-spacing:.04em}

/* ============ SECTIONS COMMON ============ */
.section-head{margin-bottom:42px}
.section-head h2{font-size:20px;letter-spacing:.18em;color:var(--txt)}
.section-sub{color:var(--dim);margin-top:8px;font-size:14px}

/* ============ FLOW ============ */
.flow-wrap{position:relative;height:320px}
#flowCanvas{position:absolute;inset:0;width:100%;height:100%}
.flow-nodes{position:absolute;inset:0}
.fnode{
  background:none;border:none;cursor:pointer;color:var(--txt);
  display:flex;flex-direction:column;align-items:center;gap:10px;
  transition:transform .2s;z-index:2;
  position:absolute;transform:translate(-50%,-50%);
}
.fnode.n1{left:8%;top:32%}
.fnode.n2{left:30%;top:32%}
.fnode.n3{left:52%;top:32%}
.fnode.n4{left:82%;top:32%}
.fnode.n5{left:82%;top:74%}
.fnode-track{
  font-size:9px;letter-spacing:.16em;padding:2px 7px;border-radius:2px;
  border:1px solid rgba(120,160,180,.25);color:var(--dim);
}
.fnode.n4 .fnode-track{color:#3ddc84;border-color:rgba(61,220,132,.35)}
.fnode.n5 .fnode-track{color:var(--amber);border-color:rgba(245,166,35,.35)}
.fnode:hover{transform:translate(-50%,calc(-50% - 4px))}
.fnode-dot{
  width:16px;height:16px;border-radius:50%;
  border:2px solid var(--cyan);background:var(--bg);
  box-shadow:0 0 12px rgba(40,216,200,.5);
}
.fnode-dot.live{background:var(--cyan);animation:pulse 2s infinite}
.fnode-dot.amber{border-color:var(--amber);background:var(--amber);box-shadow:0 0 12px rgba(245,166,35,.5)}
.fnode-label{font-size:11px;text-align:center;letter-spacing:.08em;line-height:1.5}

/* ============ STATIONS ============ */
.stations{display:flex;flex-direction:column;gap:36px;padding-top:20px}
.station{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:8px;
  backdrop-filter:blur(10px);overflow:hidden;
  opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease;
}
.station.vis{opacity:1;transform:none}
.st-head{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 22px;border-bottom:1px solid var(--panel-border);
  font-size:11px;letter-spacing:.12em;background:rgba(10,15,21,.55);
}
.st-of{color:var(--dim)}
.st-status.done{color:var(--dim)}
.st-status.live-st{color:#3ddc84;display:flex;align-items:center;gap:7px}
.st-status.amber-st{color:var(--amber)}
.st-body{padding:26px 28px}
.st-body h3{font-size:22px;margin-bottom:4px}
.st-meta{font-size:12px;margin-bottom:16px}
.st-body ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.st-body li{padding-left:20px;position:relative;color:#b6c3cf;font-size:15px}
.st-body li::before{content:'▸';position:absolute;left:0;color:var(--cyan)}
.station-fluyon .st-body li::before{color:var(--amber)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags span{
  font-size:11px;padding:4px 10px;border-radius:3px;letter-spacing:.05em;
  background:var(--cyan-soft);color:var(--cyan);border:1px solid rgba(40,216,200,.25);
}
.station-fluyon .tags span{background:var(--amber-soft);color:var(--amber);border-color:rgba(245,166,35,.25)}
.st-intro{color:#b6c3cf;margin-bottom:20px;font-size:15px}
.proj-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px}
.proj{
  border:1px solid var(--panel-border);border-radius:6px;padding:16px 18px;
  background:rgba(10,15,21,.45);transition:border-color .2s;
}
.proj:hover{border-color:rgba(245,166,35,.4)}
.proj h4{font-size:13px;letter-spacing:.1em;color:var(--amber);margin-bottom:8px}
.proj p{font-size:13.5px;color:#aab8c4}

/* ============ SKILLS ============ */
.skills-grid{display:grid;grid-template-columns:1fr 40px 1fr;gap:26px;align-items:start}
.skill-col-title{font-size:13px;letter-spacing:.22em;color:var(--dim);margin-bottom:22px}
.skill-x{font-size:30px;color:var(--amber);text-align:center;padding-top:60px;font-weight:600}
.gauge{margin-bottom:20px}
.gauge-head{display:flex;justify-content:space-between;font-size:12px;margin-bottom:7px;letter-spacing:.03em}
.gauge-val{color:var(--cyan)}
.gauge.amber .gauge-val{color:var(--amber)}
.gauge-bar{height:6px;background:rgba(120,160,180,.12);border-radius:3px;overflow:hidden}
.gauge-bar i{
  display:block;height:100%;width:0;border-radius:3px;
  background:linear-gradient(90deg,rgba(40,216,200,.5),var(--cyan));
  transition:width 1.2s cubic-bezier(.22,1,.36,1);
}
.gauge.amber .gauge-bar i{background:linear-gradient(90deg,rgba(245,166,35,.5),var(--amber))}
.skills-note{margin-top:26px;font-size:11px}

/* ============ CERTS ============ */
.cert-filters{display:flex;gap:8px;margin-top:16px}
.cf{
  background:none;border:1px solid var(--panel-border);border-radius:3px;
  color:var(--dim);font-family:var(--mono);font-size:11px;letter-spacing:.1em;
  padding:6px 14px;cursor:pointer;transition:all .2s;
}
.cf.active,.cf:hover{color:var(--cyan);border-color:var(--cyan)}
.cert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cert{
  background:var(--panel);border:1px solid var(--panel-border);border-radius:6px;
  padding:16px 18px;display:flex;flex-direction:column;gap:4px;
  transition:opacity .3s,transform .3s,border-color .2s;
}
.cert:hover{border-color:rgba(40,216,200,.35)}
.cert.hide{opacity:.12;transform:scale(.97)}
.cert-y{font-size:11px;color:var(--amber)}
.cert strong{font-size:14px;font-weight:500}
.cert .dim{font-size:12px}

/* ============ CONTACT ============ */
.terminal{
  background:#0a0f15;border:1px solid var(--panel-border);border-radius:8px;
  overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.45);max-width:680px;
}
.term-head{
  display:flex;align-items:center;gap:7px;padding:11px 16px;
  background:rgba(18,26,34,.8);border-bottom:1px solid var(--panel-border);
  font-size:11px;color:var(--dim);
}
.tdot{width:11px;height:11px;border-radius:50%}
.tdot.r{background:#ff5f56}.tdot.y{background:#ffbd2e}.tdot.g{background:#27c93f}
.term-title{margin-left:8px}
.term-body{padding:22px 24px;font-size:14px;line-height:2}
.prompt{color:var(--amber)}
.cmd{color:var(--txt)}
.out{color:var(--dim);padding-left:18px}
.out a{color:var(--cyan)}
.type-cursor{animation:blink 1s steps(1) infinite;color:var(--cyan)}
@keyframes blink{50%{opacity:0}}

/* ============ FOOTER ============ */
.footer{
  display:flex;justify-content:space-between;padding:26px 24px;max-width:1100px;
  margin:0 auto;border-top:1px solid var(--panel-border);font-size:11px;color:var(--dim);
  letter-spacing:.06em;
}

/* ============ RESPONSIVE ============ */
@media(max-width:860px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .id-card{max-width:340px;margin:0 auto;transform:none}
  .kpi-strip{grid-template-columns:1fr 1fr}
  .skills-grid{grid-template-columns:1fr}
  .skill-x{display:none}
  .cert-grid{grid-template-columns:1fr 1fr}
  .proj-grid{grid-template-columns:1fr}
  .flow-wrap{height:260px}
  .fnode-label{font-size:9px}
  section{padding:60px 18px}
}
@media(max-width:520px){
  .hero-role{font-size:12px;letter-spacing:.02em}
  .hero-pitch{font-size:15px}
  .cert-grid{grid-template-columns:1fr}
  .kpi-strip{grid-template-columns:1fr 1fr}
  .clock{display:none}
  .brand-sub{display:none}
}

body.nofx *,body.nofx{transition:none!important;animation:none!important}