/* ==========================================================================
   FABGAMES — HUD / Engine-Terminal Design System
   Fabiano Sousa — Senior Unity Developer
   ========================================================================== */

/* ---- Tokens -------------------------------------------------------------- */
:root{
  --bg-void:#060a10;
  --bg-panel:#0d141d;
  --bg-panel-2:#121b26;
  --line:#1b2a38;
  --line-bright:#28425a;
  --cyan:#00e5ff;
  --cyan-dim:rgba(0,229,255,.14);
  --magenta:#ff2ec4;
  --amber:#ffb020;
  --text:#e8f2ff;
  --text-muted:#7d90a3;
  --text-dim:#6d8199;
  --font-display:'Chakra Petch',sans-serif;
  --font-body:'Inter',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --container:1240px;
  --radius:3px;
  --ease:cubic-bezier(.16,.84,.44,1);
}

/* ---- Reset ---------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-void);color:var(--text);
  font-family:var(--font-body);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:var(--font-display);margin:0;letter-spacing:.01em}
p{margin:0 0 1em}
a{color:inherit}
img,video{max-width:100%;display:block}
ul{list-style:none;margin:0;padding:0}
dl,dt,dd{margin:0}

/* focus visibility (accessibility floor) */
a:focus-visible,button:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px;
}

/* custom scrollbar */
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--bg-void)}
::-webkit-scrollbar-thumb{background:var(--line-bright);border-radius:0}
::-webkit-scrollbar-thumb:hover{background:var(--cyan)}

/* ambient background grid, sits behind everything */
.grid-overlay{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.35;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 40%,transparent 85%);
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 40%,transparent 85%);
}

/* ---- Layout helpers -------------------------------------------------------- */
.section{max-width:var(--container);margin:0 auto;padding:110px 28px;position:relative;z-index:1}
.mono{font-family:var(--font-mono)}
.eyebrow-cmd{
  font-family:var(--font-mono);font-size:.8rem;color:var(--cyan);
  margin:0 0 14px;opacity:.85;
}
.eyebrow-cmd::before{content:'';}
.section-head{margin-bottom:48px}
.section-head h2{font-size:2rem;font-weight:600;color:var(--text)}

.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-row.small{margin-top:12px}
.tag{
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.03em;
  color:var(--text-muted);border:1px solid var(--line-bright);
  padding:5px 10px;border-radius:2px;background:rgba(255,255,255,.02);
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:.85rem;letter-spacing:.02em;
  padding:13px 22px;border-radius:var(--radius);text-decoration:none;
  border:1px solid transparent;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--cyan);color:#03181e;font-weight:600}
.btn-primary:hover{box-shadow:0 0 0 1px var(--cyan),0 0 24px var(--cyan-dim)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-bright)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-nav{padding:9px 16px;font-size:.78rem}

/* HUD corner frame, wraps each section's inner content */
.hud-frame{
  position:relative;border:1px solid var(--line);background:var(--bg-panel);
  padding:56px clamp(20px,4vw,64px);border-radius:2px;
  opacity:0;transform:translateY(24px);
  transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.hud-frame.in-view{opacity:1;transform:translateY(0)}
.hud-frame::before,.hud-frame::after,
.hud-frame > .hud-corner-tl, .hud-frame > .hud-corner-br{}
.hud-frame .corner{
  position:absolute;width:18px;height:18px;border-color:var(--cyan);
  opacity:0;transition:opacity .5s ease .3s;
}
.hud-frame.in-view .corner{opacity:.8}
.corner.tl{top:-1px;left:-1px;border-top:2px solid;border-left:2px solid}
.corner.tr{top:-1px;right:-1px;border-top:2px solid;border-right:2px solid}
.corner.bl{bottom:-1px;left:-1px;border-bottom:2px solid;border-left:2px solid}
.corner.br{bottom:-1px;right:-1px;border-bottom:2px solid;border-right:2px solid}

/* ---- Nav ------------------------------------------------------------------ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(6,10,16,.72);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:16px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{
  font-family:var(--font-mono);font-weight:600;font-size:.95rem;
  letter-spacing:.05em;text-decoration:none;color:var(--text);
}
.logo-dot{color:var(--cyan);animation:blink 1.4s step-end infinite}
.nav-links{display:flex;gap:28px}
.nav-links a{
  font-family:var(--font-mono);font-size:.8rem;text-decoration:none;color:var(--text-muted);
  transition:color .2s;
}
.nav-links a:hover{color:var(--cyan)}

/* ---- Hero ------------------------------------------------------------------ */
.hero{
  position:relative;min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  overflow:hidden;padding:120px 24px 80px;
}
#net-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero-vignette{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 60% 50% at 50% 42%,rgba(0,229,255,.10) 0%,transparent 60%),
             radial-gradient(ellipse 70% 55% at 50% 40%,transparent 0%,var(--bg-void) 88%),
             linear-gradient(180deg,rgba(6,10,16,.2) 0%,var(--bg-void) 100%);
}
.hud-chrome{position:absolute;inset:20px;z-index:2;pointer-events:none}
.hud-chrome .hud-corner{position:absolute;width:26px;height:26px;border-color:var(--cyan);opacity:.6}
.hud-corner.tl{top:0;left:0;border-top:2px solid;border-left:2px solid}
.hud-corner.tr{top:0;right:0;border-top:2px solid;border-right:2px solid}
.hud-corner.bl{bottom:0;left:0;border-bottom:2px solid;border-left:2px solid}
.hud-corner.br{bottom:0;right:0;border-bottom:2px solid;border-right:2px solid}

.hero-meta{
  position:relative;z-index:2;font-family:var(--font-mono);font-size:.78rem;
  color:var(--text-muted);display:flex;align-items:center;gap:10px;margin-bottom:56px;
  flex-wrap:wrap;justify-content:center;
}
.status-dot{
  width:8px;height:8px;border-radius:50%;background:#2ee88a;display:inline-block;
  box-shadow:0 0 8px #2ee88a;animation:pulse-dot 2s ease-in-out infinite;
}
.status-dot.small{width:6px;height:6px;margin-right:6px}
.hero-clock{color:var(--text-dim)}

.hero-content{position:relative;z-index:2;max-width:820px}
.boot-text{
  font-family:var(--font-mono);font-size:.82rem;color:var(--cyan);text-align:left;
  min-height:5.4em;white-space:pre-wrap;margin:0 auto 8px;max-width:460px;
  transition:opacity .5s ease;
}
.boot-text.fade-out{opacity:0}
.hero-main{opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.hero-main.show{opacity:1;transform:translateY(0)}
.eyebrow{
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.08em;color:var(--text-muted);
  margin-bottom:20px;
}
.hero-main h1{
  font-size:clamp(2.6rem,7vw,4.6rem);font-weight:700;line-height:.98;
  color:var(--text);text-shadow:0 0 40px var(--cyan-dim);
}
.hero-main h2{
  font-size:clamp(1.1rem,2.4vw,1.5rem);font-weight:500;color:var(--cyan);
  margin-top:14px;
}
.hero-desc{
  max-width:560px;margin:22px auto 0;color:var(--text-muted);font-size:1rem;
}
.hero-actions{display:flex;gap:14px;justify-content:center;margin-top:34px;flex-wrap:wrap}

@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes blink{0%,49%{opacity:1}50%,100%{opacity:0}}

/* ---- Telemetry / stats strip ------------------------------------------------ */
.telemetry{
  max-width:var(--container);margin:0 auto;padding:0 28px 0;position:relative;z-index:1;
  opacity:0;transform:translateY(20px);transition:opacity .7s var(--ease),transform .7s var(--ease);
}
.telemetry.in-view{opacity:1;transform:translateY(0)}
.telemetry-inner{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:2px;background:var(--bg-panel);
}
.tstat{
  padding:30px 20px;text-align:center;border-right:1px solid var(--line);
}
.tstat:last-child{border-right:none}
.tstat strong{
  display:block;font-family:var(--font-display);font-size:2.1rem;font-weight:700;color:var(--cyan);
}
.tstat span{
  display:block;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;
  color:var(--text-dim);margin-top:8px;text-transform:uppercase;
}

/* ---- About ------------------------------------------------------------------ */
.about-grid{display:grid;grid-template-columns:220px 1fr;gap:48px}
.id-card{
  border:1px solid var(--line-bright);border-radius:2px;padding:24px;
  background:var(--bg-panel-2);height:fit-content;
}
.id-badge{
  width:56px;height:56px;border:1px solid var(--cyan);color:var(--cyan);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);
  font-weight:700;font-size:1.2rem;margin-bottom:18px;border-radius:2px;
}
.id-card dl div{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line)}
.id-card dl div:first-child{border-top:none}
.id-card dt{font-family:var(--font-mono);font-size:.68rem;color:var(--text-dim);letter-spacing:.05em}
.id-card dd{font-family:var(--font-mono);font-size:.76rem;color:var(--text);text-align:right;display:flex;align-items:center}
.about-copy p{color:var(--text-muted);font-size:1.02rem}
.about-copy p:first-child{color:var(--text)}

/* ---- Services / module grid -------------------------------------------------- */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.module{
  border:1px solid var(--line);border-radius:2px;padding:26px;background:var(--bg-panel-2);
  transition:border-color .25s,transform .25s var(--ease);
}
.module:hover{border-color:var(--cyan);transform:translateY(-4px)}
.module-id{
  font-family:var(--font-mono);font-size:.7rem;color:var(--magenta);letter-spacing:.04em;
  display:block;margin-bottom:14px;
}
.module h3{font-size:1.08rem;font-weight:600;margin-bottom:8px}
.module p{color:var(--text-muted);font-size:.92rem;margin:0}

/* ---- Portfolio / build grid --------------------------------------------------- */
.build-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px}
.build-card{
  display:block;text-decoration:none;color:var(--text);
  border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--bg-panel-2);
  transition:transform .3s var(--ease),border-color .3s;will-change:transform;
}
.build-card:hover{border-color:var(--cyan)}
.build-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#080d13}
.build-thumb img{width:100%;height:100%;object-fit:cover}
.build-video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;
  transition:opacity .35s ease;
}
.build-info{padding:20px}
.build-info h3{font-size:1.05rem;font-weight:600;margin-bottom:6px}
.build-info p{color:var(--text-muted);font-size:.88rem;margin-bottom:0}
.open-file{
  display:inline-block;margin-top:16px;font-family:var(--font-mono);font-size:.76rem;color:var(--cyan);
}
.empty-state{
  border:1px dashed var(--line-bright);border-radius:2px;padding:48px 24px;text-align:center;
}
.empty-state p:first-child{color:var(--amber);margin-bottom:10px}
.empty-state p:last-child{color:var(--text-muted);margin:0}

/* ---- Contact ------------------------------------------------------------------ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-fields .field{
  display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-top:1px solid var(--line);
}
.contact-fields .field:first-child{border-top:none}
.contact-fields dt{font-family:var(--font-mono);font-size:.7rem;color:var(--text-dim);letter-spacing:.05em;padding-top:2px}
.contact-fields dd{font-family:var(--font-mono);font-size:.9rem;text-align:right}
.contact-fields a{text-decoration:none;color:var(--text)}
.contact-fields a:hover{color:var(--cyan)}
.contact-cta p{color:var(--text-muted)}
.contact-cta .btn{margin-right:12px;margin-bottom:12px}

/* ---- Footer + whatsapp -------------------------------------------------------- */
.footer{
  text-align:center;padding:40px 24px;color:var(--text-dim);font-family:var(--font-mono);font-size:.76rem;
  position:relative;z-index:1;border-top:1px solid var(--line);
}
.whatsapp-float{
  position:fixed;bottom:24px;right:24px;z-index:60;width:54px;height:54px;border-radius:50%;
  background:#12b866;color:#04150c;display:flex;align-items:center;justify-content:center;
  text-decoration:none;box-shadow:0 4px 24px rgba(18,184,102,.4);
}
.wa-ring{
  position:absolute;inset:-6px;border:1px solid #12b866;border-radius:50%;
  animation:wa-pulse 2.2s ease-out infinite;
}
@keyframes wa-pulse{0%{transform:scale(.9);opacity:.8}100%{transform:scale(1.5);opacity:0}}

/* project detail page tweaks */
.project-page .section{padding-top:150px}
.project-desc{color:var(--text-muted);max-width:70ch}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px;margin-top:8px}
.gallery img,.gallery video{border-radius:2px;border:1px solid var(--line)}
.project-cta{max-width:var(--container);margin:0 auto;padding:0 28px 80px;text-align:center;position:relative;z-index:1}

/* ---- Responsive --------------------------------------------------------------- */
@media(max-width:900px){
  .about-grid{grid-template-columns:1fr}
  .module-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .telemetry-inner{grid-template-columns:repeat(2,1fr)}
  .tstat{border-bottom:1px solid var(--line)}
  .nav-links{display:none}
}
@media(max-width:560px){
  .module-grid{grid-template-columns:1fr}
  .section{padding:80px 18px}
  .hud-frame{padding:36px 20px}
  .hud-chrome{display:none}
}

/* ---- Reduced motion ------------------------------------------------------------ */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .hud-frame,.telemetry,.hero-main{opacity:1 !important;transform:none !important}
}