:root{
  --bg:#050505;
  --panel:#101114;
  --pcb:#0f2f2f;
  --cyan:#5EDFFF;
  --blue:#4C7DFF;
  --ink:#F2F5F9;
  --dim:rgba(242,245,249,.68);
  --signal:#5CE0A5; /* discreet green, signals only */
  --radius:20px;
  --display:"Space Grotesk",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(94,223,255,.28)}

/* ---------- fixed 3D scene ---------- */
#scene{position:fixed;inset:0;z-index:0;display:block}

/* ---------- telemetry HUD ---------- */
#hud{
  position:fixed;left:24px;bottom:24px;z-index:20;
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  color:rgba(242,245,249,.85);
  display:flex;flex-direction:column;gap:6px;
  pointer-events:none;
}
#hud .bar{width:120px;height:2px;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden}
#hud .bar i{display:block;height:100%;width:0%;background:linear-gradient(90deg,var(--blue),var(--cyan))}

#hint{
  position:fixed;right:28px;bottom:26px;z-index:20;
  font-family:var(--mono);font-size:11px;letter-spacing:.18em;
  color:rgba(242,245,249,.55);
  pointer-events:none;transition:opacity .4s;
  animation:bob 2.6s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(6px)}}

/* ---------- layout ---------- */
main{position:relative;z-index:10}
section{
  min-height:110vh;
  display:flex;align-items:center;
  padding:14vh 6vw;
  position:relative;
}
.wrap{max-width:1080px;margin:0 auto;width:100%}

.eyebrow{
  font-family:var(--mono);
  font-size:11px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--cyan);
  display:flex;align-items:center;gap:14px;margin-bottom:26px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:currentColor;opacity:.6}

h1,h2{font-family:var(--display);font-weight:500;letter-spacing:-.02em}
h1{font-size:clamp(40px,7.5vw,92px);line-height:1.02}
h2{font-size:clamp(32px,5vw,58px);line-height:1.06;margin-bottom:22px}
.lead{font-size:clamp(16px,1.6vw,19px);line-height:1.75;color:var(--dim);max-width:56ch;font-weight:300}

/* ---------- hero ---------- */
#hero{min-height:100vh;align-items:center}
#hero .sub{
  font-family:var(--display);font-weight:300;
  font-size:clamp(17px,2.2vw,24px);color:rgba(242,245,249,.72);
  margin-top:20px;letter-spacing:.01em;
}
#hero .sub b{color:var(--cyan);font-weight:500}
.hero-desc{margin-top:18px}
#hero .mini{margin-top:34px;font-family:var(--mono);font-size:11.5px;letter-spacing:.2em;color:rgba(242,245,249,.45)}

/* ---------- glass panels (machined, not frosty) ---------- */
.glass{
  background:rgba(16,17,20,.62);
  border:1px solid rgba(94,223,255,.14);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-radius:var(--radius);
  box-shadow:0 18px 50px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.05);
}

/* ---------- terminal chrome ---------- */
.term-head{
  display:flex;align-items:center;gap:7px;
  padding:14px 18px;
  border-bottom:1px solid rgba(94,223,255,.1);
}
.term-head .dot{width:9px;height:9px;border-radius:50%;background:rgba(242,245,249,.16)}
.term-head .dot:first-child{background:rgba(94,223,255,.45)}
.term-title{
  margin-left:8px;font-family:var(--mono);font-size:11px;
  letter-spacing:.14em;color:rgba(242,245,249,.5);
}
.term-body{padding:26px 28px}
.term-body p{font-size:15.5px;line-height:1.8;color:var(--dim);font-weight:300}

/* ---------- tags ---------- */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;
  padding:6px 13px;border-radius:999px;
  background:rgba(76,125,255,.1);
  border:1px solid rgba(94,223,255,.22);color:var(--cyan);
  white-space:nowrap;
}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:14px;margin-top:36px;
}
.stat{padding:24px 22px;display:flex;flex-direction:column;gap:8px}
.stat-number{
  font-family:var(--display);font-weight:500;
  font-size:clamp(30px,3.4vw,44px);color:var(--cyan);line-height:1;
}
.stat-label{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;
  color:rgba(242,245,249,.55);line-height:1.6;
}

/* ---------- projects ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-top:8px}
.grid.one{grid-template-columns:minmax(280px,640px)}
.card{padding:30px 28px;display:flex;flex-direction:column;gap:12px;transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease}
.card:hover{
  transform:translateY(-6px);
  border-color:rgba(94,223,255,.4);
  box-shadow:0 22px 60px rgba(0,0,0,.5), 0 0 24px rgba(94,223,255,.07), inset 0 1px 0 rgba(255,255,255,.05);
}
.tag-status{
  font-family:var(--mono);font-size:10px;letter-spacing:.24em;color:var(--cyan);
  display:flex;align-items:center;gap:8px;
}
.tag-status::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 8px var(--cyan);
}
.tag-status.live{color:var(--signal)}
.tag-status.live::before{background:var(--signal);box-shadow:0 0 8px var(--signal)}
.card h3{font-family:var(--display);font-weight:500;font-size:21px;line-height:1.25}
.card h3 a{color:inherit;text-decoration:none;transition:color .25s}
.card h3 a:hover{color:var(--cyan)}
.card p{font-size:14.5px;line-height:1.65;color:var(--dim);font-weight:300;flex:1}
.card .tech{font-family:var(--mono);font-size:11px;color:rgba(242,245,249,.45);letter-spacing:.06em}

/* ---------- media card (GIF demo) ---------- */
.card-media.wide{grid-column:1 / -1}
.card-media{
  padding:0;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.15fr) 1fr;gap:0;align-items:stretch;
}
.card-media .media{
  position:relative;display:block;min-height:230px;
  border-right:1px solid rgba(94,223,255,.12);
  overflow:hidden;text-decoration:none;
}
.card-media .media img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top;
  display:block;z-index:1;transition:transform .5s ease;
}
.card-media:hover .media img{transform:scale(1.04)}
/* placeholder shown until the GIF loads or if it is missing */
.media-ph{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:16px;
  background:
    radial-gradient(120% 90% at 50% 0%,rgba(94,223,255,.14),transparent 60%),
    linear-gradient(135deg,#050608,#0b1518);
}
.media-ph::before{ /* subtle scanline texture, terminal vibe */
  content:"";position:absolute;inset:0;opacity:.5;
  background:repeating-linear-gradient(0deg,rgba(94,223,255,.05) 0 1px,transparent 1px 3px);
}
.media-ph-dots{display:flex;gap:8px;position:relative}
.media-ph-dots i{
  width:9px;height:9px;border-radius:50%;background:var(--cyan);
  animation:phpulse 1.3s ease-in-out infinite;
}
.media-ph-dots i:nth-child(2){animation-delay:.2s}
.media-ph-dots i:nth-child(3){animation-delay:.4s}
@keyframes phpulse{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-4px)}}
.media-ph-label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;
  color:rgba(242,245,249,.55);position:relative;
}
/* the loaded/valid img covers the placeholder; on error we reveal it */
.media-fallback img{display:none}
.media-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  padding:5px 11px;border-radius:999px;
  background:rgba(5,6,8,.6);border:1px solid rgba(94,223,255,.35);
  color:var(--cyan);backdrop-filter:blur(6px);
}
.card-media-body{padding:28px 28px;display:flex;flex-direction:column;gap:12px}
.card-media-body p{flex:1}
@media (max-width:640px){
  .card-media{grid-template-columns:1fr}
  .card-media .media{border-right:none;border-bottom:1px solid rgba(94,223,255,.12);min-height:200px}
}

/* case study */
.case{margin-top:6px}
.case summary{
  cursor:pointer;list-style:none;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;
  color:var(--blue);transition:color .25s;
}
.case summary::-webkit-details-marker{display:none}
.case summary:hover{color:var(--cyan)}
.case-body{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.case-body h4{
  font-family:var(--mono);font-size:10px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--cyan);margin-top:6px;
}
.case-body p{font-size:13.5px;flex:none}

/* ---------- CPU core quote ---------- */
#core{min-height:100vh}
.core-wrap{text-align:center}
.core-wrap .eyebrow{justify-content:center}
.core-wrap .eyebrow::after{content:"";width:34px;height:1px;background:currentColor;opacity:.6}
.core-quote{
  font-family:var(--display);font-weight:300;
  font-size:clamp(22px,3.4vw,38px);line-height:1.45;
  letter-spacing:-.01em;color:var(--ink);
  max-width:22ch;margin:0 auto;
}

/* ---------- off the clock ---------- */
.hobby{padding:32px 34px}
.hobby.wide{max-width:760px}
.hobby p{font-size:15.5px;line-height:1.8;font-weight:300;color:var(--dim)}

/* ---------- stack categories ---------- */
.cats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:8px}
.cat{padding:24px 24px 22px}
.cat h3{font-family:var(--display);font-weight:500;font-size:16px;margin-bottom:4px}
.cat .tags{margin-top:12px}

/* ---------- experience · trace timeline ---------- */
.timeline{
  display:flex;flex-direction:column;gap:16px;margin-top:8px;
  position:relative;padding-left:22px;
}
.timeline::before{ /* animated trace running down the rail */
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;
  background:
    linear-gradient(180deg,
      transparent 0%, rgba(94,223,255,.55) 12%, transparent 24%) ,
    rgba(94,223,255,.14);
  background-size:100% 320px, 100% 100%;
  background-repeat:repeat-y, no-repeat;
  animation:trace 5s linear infinite;
}
@keyframes trace{from{background-position:0 -320px,0 0}to{background-position:0 320px,0 0}}
@media (prefers-reduced-motion: reduce){.timeline::before{animation:none}}
.job{padding:26px 28px;display:grid;grid-template-columns:170px 1fr;gap:22px;align-items:baseline}
.job .when{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;color:var(--cyan);opacity:.9}
.job h3{font-family:var(--display);font-weight:500;font-size:19px;margin-bottom:12px}
.bullets{list-style:none;display:flex;flex-direction:column;gap:8px}
.bullets li{
  font-size:14px;line-height:1.6;color:var(--dim);font-weight:300;
  padding-left:18px;position:relative;
}
.bullets li::before{
  content:"—";position:absolute;left:0;color:var(--blue);
  font-family:var(--mono);font-size:11px;top:3px;
}

/* ---------- contact ---------- */
#contact{min-height:100vh}
.touchdown{max-width:720px;margin:0 auto;overflow:hidden}
.touchdown-body{padding:44px 48px 52px;text-align:center}
.touchdown .status{font-family:var(--mono);font-size:11px;letter-spacing:.3em;color:var(--signal);margin-bottom:18px}
.flow{
  margin:30px auto 0;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.12em;color:rgba(242,245,249,.45);
  line-height:2;max-width:52ch;
}
.flow i{font-style:normal;color:rgba(94,223,255,.55);margin:0 2px}
.flow b{color:var(--cyan);font-weight:500}
.actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.btn{
  font-family:var(--display);font-weight:500;font-size:15px;
  padding:14px 28px;border-radius:999px;text-decoration:none;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.btn:hover{transform:translateY(-3px)}
.btn.primary{
  background:linear-gradient(135deg,var(--blue),#3a5fd6);
  color:#fff;box-shadow:0 12px 30px rgba(76,125,255,.25);
}
.btn.ghost{border:1px solid rgba(94,223,255,.3);color:var(--ink)}
.btn.ghost:hover{border-color:rgba(94,223,255,.6)}
footer{
  position:relative;z-index:10;text-align:center;
  padding:28px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.2em;color:rgba(242,245,249,.3);
}

/* ---------- reveals ---------- */
[data-reveal]{opacity:0;transform:translateY(42px)}
@media (prefers-reduced-motion: reduce){
  [data-reveal]{opacity:1;transform:none}
  #hint{animation:none}
  html{scroll-behavior:auto}
}
@media (max-width:640px){
  section{padding:12vh 7vw}
  .job{grid-template-columns:1fr;gap:8px}
  .timeline{padding-left:16px}
  #hud{left:16px;bottom:16px}
  #hint{display:none}
  .touchdown-body{padding:36px 24px 42px}
}
/* ---------- EN/PT switch ---------- */
#lang-switch{position:fixed;top:18px;right:18px;z-index:80;display:flex;
  border:1px solid rgba(255,255,255,.16);border-radius:999px;overflow:hidden;
  background:rgba(0,0,0,.35);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  font-family:"JetBrains Mono",ui-monospace,monospace;font-size:12px}
#lang-switch button{background:none;border:0;color:rgba(255,255,255,.55);font:inherit;
  letter-spacing:.06em;padding:7px 12px;cursor:pointer;transition:color .25s,background .25s}
#lang-switch button:hover{color:#fff}
#lang-switch button.is-active{color:#5EDFFF;background:rgba(255,255,255,.06)}