:root{
  --bg: #06090a;
  --bg-soft: #0b1210;
  --panel: #0d1613;
  --border: #17342a;
  --fg: #d6f5df;
  --muted: #6f9583;
  --accent: #39ff7a;
  --accent-dim: #1e8a4c;
  --accent-soft: rgba(57,255,122,0.08);
  --danger: #ff4d5e;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --maxw: 1100px;
}

*{box-sizing:border-box; margin:0; padding:0;}

html{scroll-behavior:smooth;}

body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--mono);
  line-height:1.6;
  overflow-x:hidden;
  position:relative;
}

#rain{
  position:fixed;
  inset:0;
  z-index:-2;
  opacity:0.16;
}

.scanlines{
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0) 0px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0.18) 3px
  );
  mix-blend-mode:multiply;
}

a{color:inherit; text-decoration:none;}

::selection{background:var(--accent); color:#04120a;}

.accent{color:var(--accent);}

.cursor{
  display:inline-block;
  color:var(--accent);
  animation:blink 1s step-end infinite;
}
@keyframes blink{50%{opacity:0;}}

/* ANNOUNCE BAR */
.announce-bar{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:0.5rem;
  flex-wrap:wrap;
  text-align:center;
  padding:0.55rem 1rem;
  background:var(--accent);
  color:#04120a;
  font-size:0.78rem;
  font-weight:700;
  letter-spacing:0.02em;
  position:sticky;
  top:0;
  z-index:60;
}
.announce-bar:hover{filter:brightness(1.08);}
.announce-tag{
  background:#04120a;
  color:var(--accent);
  padding:0.1rem 0.4rem;
  border-radius:3px;
  font-size:0.7rem;
}

/* NAV */
.nav{
  position:sticky;
  top:2.1rem;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:1.1rem clamp(1.2rem, 4vw, 3rem);
  background:rgba(6,9,10,0.85);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
}

.brand{font-weight:700; font-size:1rem; letter-spacing:0.02em;}
.brand-prompt{color:var(--muted);}
.brand-name{color:var(--accent);}

.nav-links{
  display:flex;
  gap:clamp(1rem, 2vw, 2.2rem);
  font-size:0.85rem;
  text-transform:uppercase;
  letter-spacing:0.08em;
}
.nav-links a{
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:0.4rem;
  transition:color 0.2s;
}
.nav-links a:hover{color:var(--accent);}
.nav-links .idx{color:var(--accent-dim); font-size:0.75rem;}

.nav-social{display:flex; gap:0.9rem;}
.nav-social a{
  width:2rem; height:2rem;
  border:1px solid var(--border);
  border-radius:4px;
  display:flex; align-items:center; justify-content:center;
  font-size:0.8rem;
  color:var(--muted);
  transition:all 0.2s;
}
.nav-social a:hover{color:var(--accent); border-color:var(--accent);}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:0.4rem;
}
.nav-toggle span{width:22px; height:2px; background:var(--accent);}

/* HERO */
.hero{
  max-width:var(--maxw);
  margin:0 auto;
  padding:clamp(3rem,8vw,6rem) clamp(1.2rem,4vw,3rem);
  display:grid;
  grid-template-columns:1.3fr 1fr;
  gap:3rem;
  align-items:center;
  min-height:80vh;
}

.terminal-line{
  color:var(--muted);
  font-size:0.9rem;
  margin-bottom:1rem;
}

.hero-name{
  font-size:clamp(2.4rem, 6vw, 4.2rem);
  line-height:1.05;
  font-weight:800;
  letter-spacing:-0.01em;
  text-shadow:0 0 24px rgba(57,255,122,0.25);
}

.hero-role{
  margin-top:1.2rem;
  font-size:clamp(1rem,2vw,1.3rem);
  color:var(--accent);
  min-height:1.8em;
}

.hero-sub{
  margin-top:1rem;
  max-width:38ch;
  color:var(--muted);
  font-size:0.95rem;
}

.hero-cta{
  margin-top:2rem;
  display:flex;
  gap:1rem;
  flex-wrap:wrap;
}

.btn{
  padding:0.75rem 1.5rem;
  border-radius:4px;
  font-size:0.85rem;
  text-transform:uppercase;
  letter-spacing:0.08em;
  border:1px solid var(--accent);
  transition:all 0.2s;
}
.btn-primary{
  background:var(--accent);
  color:#04120a;
  font-weight:700;
}
.btn-primary:hover{box-shadow:0 0 20px rgba(57,255,122,0.5);}
.btn-ghost{color:var(--accent);}
.btn-ghost:hover{background:var(--accent-soft);}

.hero-console{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:8px;
  overflow:hidden;
  box-shadow:0 0 40px rgba(0,0,0,0.4);
}
.console-bar{
  display:flex;
  align-items:center;
  gap:6px;
  padding:0.7rem 0.9rem;
  background:var(--bg-soft);
  border-bottom:1px solid var(--border);
}
.console-bar span{
  width:10px; height:10px; border-radius:50%;
  background:#3a3a3a;
}
.console-bar span:nth-child(1){background:#ff5f56;}
.console-bar span:nth-child(2){background:#ffbd2e;}
.console-bar span:nth-child(3){background:#27c93f;}
.console-bar p{
  margin-left:0.6rem;
  font-size:0.75rem;
  color:var(--muted);
}
.console-body{
  padding:1rem 1.1rem;
  font-size:0.78rem;
  color:var(--accent-dim);
  min-height:220px;
  line-height:1.8;
}
.console-body .line{opacity:0; animation:fadein 0.3s forwards;}
@keyframes fadein{to{opacity:1;}}
.console-body .ok{color:var(--accent);}
.console-body .warn{color:#e8c547;}

/* SECTIONS */
.section{
  max-width:var(--maxw);
  margin:0 auto;
  padding:5rem clamp(1.2rem,4vw,3rem);
  border-top:1px solid var(--border);
}

.section-title{
  font-size:1.6rem;
  text-transform:uppercase;
  letter-spacing:0.04em;
  margin-bottom:2rem;
  display:flex;
  gap:0.7rem;
  align-items:baseline;
}
.section-title .idx{color:var(--accent); font-size:1rem;}

.cmd{
  color:var(--muted);
  font-size:0.85rem;
  margin-bottom:1.2rem;
}
.cmd::before{content:"";}

/* ABOUT */
.about-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:3rem;
}
.about-text p{margin-bottom:1rem; color:var(--fg); font-size:0.95rem;}
.about-text strong{color:var(--accent);}

.facts-list{list-style:none;}
.facts-list li{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  padding:0.6rem 0;
  border-bottom:1px dashed var(--border);
  font-size:0.85rem;
}
.facts-list li span:first-child{
  color:var(--muted);
  text-transform:uppercase;
  font-size:0.72rem;
  letter-spacing:0.06em;
}
.dot{
  display:inline-block;
  width:8px; height:8px;
  border-radius:50%;
  background:var(--accent);
  margin-right:0.4rem;
  box-shadow:0 0 8px var(--accent);
}

.achievements{margin-top:3rem;}

.tag-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(240px,1fr));
  gap:0.8rem;
}
.tag-card{
  display:flex;
  flex-direction:column;
  gap:0.3rem;
  padding:1rem;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:6px;
  transition:border-color 0.2s, transform 0.2s;
}
.tag-card:hover{border-color:var(--accent-dim); transform:translateY(-2px);}
.tag-id{color:var(--accent-dim); font-size:0.72rem; letter-spacing:0.05em;}
.tag-name{font-size:0.88rem; color:var(--fg);}
.tag-meta{color:var(--muted); font-size:0.75rem;}

/* SKILLS */
.skill-group{margin-bottom:2.2rem;}
.skill-group h3{
  color:var(--muted);
  text-transform:uppercase;
  font-size:0.75rem;
  letter-spacing:0.1em;
  margin-bottom:0.8rem;
}
.tags-inline{
  display:flex;
  flex-wrap:wrap;
  gap:0.6rem;
}
.chip{
  padding:0.5rem 0.9rem;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:20px;
  font-size:0.8rem;
  color:var(--fg);
  transition:all 0.2s;
}
.chip:hover{border-color:var(--accent); color:var(--accent);}

/* CERTS */
.cert-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px,1fr));
  gap:1rem;
}
.cert-card{
  display:flex;
  align-items:flex-start;
  gap:1rem;
  padding:1.2rem;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:8px;
  transition:all 0.2s;
}
a.cert-card:hover{border-color:var(--accent); box-shadow:0 0 20px rgba(57,255,122,0.12);}
.cert-icon{
  font-size:1.4rem;
  color:var(--accent);
  width:2.4rem; height:2.4rem;
  display:flex; align-items:center; justify-content:center;
  border:1px solid var(--border);
  border-radius:6px;
  flex-shrink:0;
}
.cert-body{display:flex; flex-direction:column; flex:1;}
.cert-name{font-size:0.92rem; color:var(--fg); margin-bottom:0.2rem;}
.cert-issuer{font-size:0.78rem; color:var(--accent-dim);}
.cert-date{font-size:0.75rem; color:var(--muted); margin-top:0.3rem;}
.cert-link{
  margin-top:0.6rem;
  font-size:0.7rem;
  color:var(--accent);
  align-self:flex-start;
}
.cert-progress{opacity:0.75;}
.cert-progress .cert-icon{color:#e8c547; border-color:#5a4d1f;}

/* PROJECTS */
.empty-dir{
  padding:2rem;
  background:var(--panel);
  border:1px dashed var(--border);
  border-radius:8px;
  color:var(--muted);
  font-size:0.88rem;
}
.empty-dir p:first-child{color:var(--accent-dim); margin-bottom:0.6rem;}
.empty-dir a{color:var(--accent); border-bottom:1px dotted var(--accent);}

/* CONTACT */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
  gap:1rem;
}
.contact-card{
  padding:1.4rem;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:8px;
  display:flex;
  flex-direction:column;
  gap:0.4rem;
  transition:all 0.2s;
}
.contact-card:hover{border-color:var(--accent); transform:translateY(-2px);}
.contact-label{
  text-transform:uppercase;
  font-size:0.7rem;
  color:var(--muted);
  letter-spacing:0.1em;
}
.contact-value{color:var(--accent); font-size:1rem;}

/* FOOTER */
.footer{
  text-align:center;
  padding:2.5rem 1rem;
  color:var(--muted);
  font-size:0.78rem;
  border-top:1px solid var(--border);
}

/* SCROLL REVEAL */
.section, .hero{opacity:0; transform:translateY(16px); transition:opacity 0.6s ease, transform 0.6s ease;}
.section.in-view, .hero.in-view{opacity:1; transform:none;}

/* REDUCED MOTION */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .cursor{animation:none; opacity:1;}
  .section, .hero{transition:none; opacity:1; transform:none;}
  .scanlines{display:none;}
  .console-body .line{animation:none; opacity:1;}
  .tag-card, .contact-card, .chip{transition:none;}
}

/* RESPONSIVE */
@media (max-width: 860px){
  .hero{grid-template-columns:1fr; min-height:auto;}
  .about-grid{grid-template-columns:1fr;}
  .nav-links{
    position:fixed;
    top:64px; left:0; right:0;
    flex-direction:column;
    background:var(--bg);
    padding:1.5rem;
    border-bottom:1px solid var(--border);
    transform:translateY(-150%);
    transition:transform 0.25s ease;
  }
  .nav-links.open{transform:translateY(0);}
  .nav-toggle{display:flex;}
  .nav-social{display:none;}
}