:root{
  --bg:#080B0E;
  --bg2:#0D1117;
  --bg3:#131920;
  --border:#1E2A35;
  --muted:#6B7685;
  --text:#D8D0C4;
  --white:#FFFFFF;
  --green:#00FF88;
  --green2:#3ABF6A;
  --amber:#E8A838;
  --red:#E53535;
  --cyan:#00B8D4;
  --purple:#8B5CF6;
  --magenta:#D946A8;
  --mono:'Space Mono', monospace;
  --body:'Inter', sans-serif;
  --shadow-dark: 10px 10px 22px rgba(0,0,0,0.55);
  --shadow-light: -10px -10px 22px rgba(30,42,53,0.35);
  --shadow-dark-sm: 5px 5px 10px rgba(0,0,0,0.5);
  --shadow-light-sm: -5px -5px 10px rgba(30,42,53,0.3);
}

*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

#bg-canvas{
  position:fixed;
  inset:0;
  width:100vw;
  height:100vh;
  z-index:0;
  opacity:0.5;
}

.mono{font-family:var(--mono);}
.muted{color:var(--muted);}
.small{font-size:0.8rem;}
.accent{color:var(--green);}
.hl{color:var(--green);text-decoration:none;border-bottom:1px solid rgba(0,255,136,0.35);}
.hl:hover{border-bottom-color:var(--green);}

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

/* NAV */
.nav{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(8,11,14,0.75);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1100px;
  margin:0 auto;
  padding:0.9rem 1.5rem;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.brand{
  font-family:var(--mono);
  font-weight:700;
  color:var(--text);
  text-decoration:none;
  letter-spacing:0.02em;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:1.6rem;
  font-family:var(--mono);
  font-size:0.85rem;
}
.nav-links a{
  color:var(--muted);
  text-decoration:none;
  transition:color 0.2s ease;
}
.nav-links a:hover{color:var(--green);}
.nav-toggle{
  display:none;
  background:none;
  border:none;
  color:var(--text);
  font-size:1.4rem;
  cursor:pointer;
}

/* HERO */
.hero{
  position:relative;
  z-index:1;
  min-height:92vh;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  justify-content:center;
  max-width:1100px;
  margin:0 auto;
  padding:2rem 1.5rem;
}
.hero-kicker{margin-bottom:0.5rem;font-size:0.95rem;}
.hero-name{
  font-size:clamp(2.4rem, 7vw, 4.5rem);
  margin:0 0 0.6rem;
  font-weight:800;
  color:var(--white);
  letter-spacing:-0.02em;
}
.hero-type{
  font-family:var(--mono);
  color:var(--green);
  font-size:clamp(1.1rem, 2.6vw, 1.6rem);
  min-height:2.2rem;
  margin:0 0 1.2rem;
}
.hero-desc{
  max-width:640px;
  color:var(--text);
  font-size:1.05rem;
  margin-bottom:2rem;
}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.2rem;}
.hero-social{display:flex;gap:0.8rem;}
.hero-social a{
  width:2.6rem;height:2.6rem;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--bg2);
  box-shadow:var(--shadow-dark-sm), var(--shadow-light-sm);
  color:var(--muted);
  font-family:var(--mono);
  font-size:0.75rem;
  text-decoration:none;
  transition:all 0.2s ease;
}
.hero-social a:hover{color:var(--green);box-shadow:0 0 0 1px rgba(0,255,136,0.4);}

.scroll-cue{
  position:absolute;
  bottom:1.5rem;
  left:50%;
  transform:translateX(-50%);
  color:var(--muted);
  font-family:var(--mono);
  font-size:0.75rem;
  text-decoration:none;
  animation:bob 2s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,6px);}}

/* BUTTONS */
.btn{
  display:inline-block;
  padding:0.8rem 1.6rem;
  border-radius:0.9rem;
  font-family:var(--mono);
  font-size:0.85rem;
  text-decoration:none;
  transition:all 0.2s ease;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--green);
  color:#03150C;
  font-weight:700;
  box-shadow:0 0 0 rgba(0,255,136,0);
}
.btn-primary:hover{box-shadow:0 0 24px rgba(0,255,136,0.35);transform:translateY(-1px);}
.btn-ghost{
  background:var(--bg2);
  color:var(--text);
  box-shadow:var(--shadow-dark-sm), var(--shadow-light-sm);
}
.btn-ghost:hover{color:var(--green);}

/* SECTIONS */
.section{
  position:relative;
  z-index:1;
  max-width:1100px;
  margin:0 auto;
  padding:5rem 1.5rem;
}
.section-kicker{
  color:var(--green);
  font-size:0.85rem;
  margin:0 0 0.4rem;
  letter-spacing:0.06em;
}
.section-title{
  font-size:clamp(1.7rem, 4vw, 2.4rem);
  color:var(--white);
  margin:0 0 2rem;
  font-weight:800;
}
.subheading{
  font-size:1.1rem;
  color:var(--text);
  margin:3rem 0 1.2rem;
  font-weight:700;
}

/* CARD / NEUMORPHISM */
.card{
  background:var(--bg2);
  border-radius:1.4rem;
  box-shadow:var(--shadow-dark), var(--shadow-light);
  border:1px solid rgba(255,255,255,0.02);
}
.card-big{padding:2.2rem;}
.about-card p{margin:0 0 1.1rem;color:var(--text);}
.about-card p:last-of-type{margin-bottom:1.6rem;}

.stat-row{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(140px,1fr));
  gap:1rem;
  margin-top:1.5rem;
  border-top:1px solid var(--border);
  padding-top:1.5rem;
}
.stat{
  background:var(--bg3);
  border-radius:1rem;
  padding:1rem;
  text-align:center;
  box-shadow:inset 3px 3px 6px rgba(0,0,0,0.5), inset -3px -3px 6px rgba(30,42,53,0.25);
}
.stat-num{
  display:block;
  font-family:var(--mono);
  color:var(--green);
  font-size:1.15rem;
  font-weight:700;
  margin-bottom:0.2rem;
}
.stat-label{font-size:0.75rem;color:var(--muted);}

/* SKILLS */
.skills-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px,1fr));
  gap:1.4rem;
}
.skill-card{padding:1.6rem;}
.skill-cat{margin:0 0 1rem;font-size:1.05rem;}
.cat-green{color:var(--green);}
.cat-cyan{color:var(--cyan);}
.cat-amber{color:var(--amber);}
.cat-purple{color:var(--purple);}
.cat-magenta{color:var(--magenta);}
.cat-red{color:var(--red);}

.tags{display:flex;flex-wrap:wrap;gap:0.5rem;}
.tag{
  font-family:var(--mono);
  font-size:0.75rem;
  padding:0.4rem 0.75rem;
  border-radius:2rem;
  background:var(--bg3);
  color:var(--text);
  border:1px solid var(--border);
  white-space:nowrap;
}
.tag-green{border-color:rgba(0,255,136,0.3);}
.tag-cyan{border-color:rgba(0,184,212,0.3);}
.tag-amber{border-color:rgba(232,168,56,0.3);}
.tag-purple{border-color:rgba(139,92,246,0.3);}
.tag-magenta{border-color:rgba(217,70,168,0.3);}
.tag-red{border-color:rgba(229,53,53,0.3);}

/* TIMELINE */
.timeline{position:relative;padding-left:1.6rem;}
.timeline::before{
  content:'';
  position:absolute;
  left:0.3rem;top:0.4rem;bottom:0.4rem;
  width:2px;
  background:linear-gradient(var(--green), var(--border));
  opacity:0.4;
}
.tl-item{position:relative;margin-bottom:2rem;}
.tl-dot{
  position:absolute;
  left:-1.6rem;top:0.4rem;
  width:0.7rem;height:0.7rem;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 10px rgba(0,255,136,0.6);
}
.tl-card{padding:1.6rem;}
.tl-date{color:var(--green);margin:0 0 0.4rem;font-size:0.8rem;}
.tl-card h3{margin:0 0 0.3rem;color:var(--white);font-size:1.1rem;}
.tl-org{color:var(--muted);margin:0 0 0.9rem;font-size:0.9rem;}
.tl-card ul{margin:0;padding-left:1.2rem;}
.tl-card li{margin-bottom:0.5rem;color:var(--text);font-size:0.93rem;}

/* CERTS */
.cert-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
  gap:1rem;
}
.cert-card{
  padding:1.2rem 1.4rem;
  display:flex;
  flex-direction:column;
  gap:0.3rem;
}
.cert-org{font-family:var(--mono);color:var(--green);font-size:0.85rem;font-weight:700;}
.cert-name{color:var(--text);font-size:0.9rem;}

/* PROJECTS */
.projects-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px,1fr));
  gap:1.4rem;
}
.project-card{
  padding:1.6rem;
  text-decoration:none;
  color:var(--text);
  display:flex;
  flex-direction:column;
  gap:0.6rem;
  transition:transform 0.2s ease, box-shadow 0.2s ease;
}
.project-card:hover{transform:translateY(-3px);}
.project-card h3{margin:0;color:var(--white);font-size:1.05rem;}
.project-card p{margin:0;font-size:0.9rem;color:var(--muted);}

/* CONTACT */
.contact-card p{margin:0 0 1.4rem;font-size:1.05rem;}
.contact-links{display:flex;flex-wrap:wrap;gap:1rem;}

/* FOOTER */
.footer{
  position:relative;
  z-index:1;
  text-align:center;
  padding:2.5rem 1.5rem 3rem;
  border-top:1px solid var(--border);
}

@media (max-width:720px){
  .nav-links{
    position:fixed;
    top:60px;left:0;right:0;
    background:var(--bg2);
    flex-direction:column;
    align-items:flex-start;
    padding:1.5rem;
    gap:1.2rem;
    border-bottom:1px solid var(--border);
    transform:translateY(-150%);
    transition:transform 0.25s ease;
  }
  .nav-links.open{transform:translateY(0);}
  .nav-toggle{display:block;}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  html{scroll-behavior:auto;}
}