:root {
  --bg:          #060a0f;
  --bg-card:     #0d1320;
  --bg-card2:    #090e18;
  --border:      rgba(0,255,136,0.10);
  --border2:     rgba(255,255,255,0.05);
  --text:        #e6edf3;
  --muted:       #7d8590;
  --green:       #00ff88;
  --green-dim:   rgba(0,255,136,0.10);
  --green-glow:  0 0 20px rgba(0,255,136,0.3), 0 0 60px rgba(0,255,136,0.1);
  --radius:      12px;
  --mono:        'JetBrains Mono','Fira Code','Courier New',monospace;
  --sans:        'Plus Jakarta Sans','DM Sans',system-ui,sans-serif;
  --ease-spring: cubic-bezier(0.32,0.72,0,1);
  --ease-out:    cubic-bezier(0.16,1,0.3,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}

/* ── Custom cursor ─────────────────────────── */
body { cursor: none; }
#cursor {
  position: fixed;
  width: 12px; height: 12px;
  background: var(--green);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.15s var(--ease-out), opacity 0.2s;
  mix-blend-mode: screen;
}
#cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border: 1px solid rgba(0,255,136,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.4s var(--ease-spring), width 0.3s, height 0.3s, border-color 0.3s;
}
body.cursor-hover #cursor { transform: scale(2); }
body.cursor-hover #cursor-ring {
  width: 56px; height: 56px;
  border-color: rgba(0,255,136,0.8);
}

/* ── Base ──────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3{line-height:1.15;font-weight:800}
a{color:var(--green);text-decoration:none}

.section-label {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: .6rem;
  opacity: .8;
}
.section-title {
  font-size: clamp(1.8rem,4vw,2.4rem);
  color: var(--text);
  margin-bottom: .8rem;
}
.section-divider {
  width: 36px; height: 2px;
  background: var(--green);
  margin-bottom: 3rem;
  box-shadow: var(--green-glow);
}

/* ── Layout ────────────────────────────────── */
.container { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }
section { padding: 6rem 0; }
section:nth-child(even) { background: var(--bg-card2); }

/* ── Scroll reveal ─────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Nav ───────────────────────────────────── */
nav {
  position: fixed;
  top: 1.2rem; left: 50%; transform: translateX(-50%);
  z-index: 100;
  background: rgba(6,10,15,0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border2);
  border-radius: 60px;
  padding: .65rem 1.8rem;
  width: max-content;
  transition: box-shadow 0.3s;
}
nav.scrolled { box-shadow: 0 0 40px rgba(0,255,136,0.08); }
.nav-inner {
  display: flex; align-items: center; gap: 2.5rem;
}
.nav-logo {
  font-family: var(--mono);
  font-size: .85rem;
  color: var(--green);
  font-weight: 600;
}
.nav-links { display: flex; gap: 1.8rem; list-style: none; }
.nav-links a {
  font-size: .82rem;
  color: var(--muted);
  font-family: var(--mono);
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transition: transform 0.3s var(--ease-spring);
}
.nav-links a:hover { color: var(--green); }
.nav-links a:hover::after { transform: scaleX(1); }

/* ── Hero ──────────────────────────────────── */
#hero {
  min-height: 100dvh;
  display: flex; align-items: center;
  padding: 6rem 0 4rem;
  position: relative; overflow: hidden;
}
#hero-canvas {
  position: absolute;
  inset: 0; width: 100%; height: 100%;
  opacity: .55;
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; }

.hero-tag {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--green);
  letter-spacing: .1em;
  margin-bottom: 1.4rem;
  display: flex; align-items: center; gap: .5rem;
}
.hero-tag::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100%{box-shadow:0 0 0 0 rgba(0,255,136,0.6)}
  50%{box-shadow:0 0 0 8px rgba(0,255,136,0)}
}

.hero-name {
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 900;
  color: var(--text);
  margin-bottom: .3rem;
  letter-spacing: -.03em;
  position: relative;
}
.hero-name .glitch {
  position: relative;
  display: inline-block;
}
.hero-name .glitch::before,
.hero-name .glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: var(--bg);
}
.hero-name .glitch::before {
  left: 2px;
  text-shadow: -2px 0 rgba(0,255,136,0.5);
  animation: glitch-1 4s infinite;
  clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
}
.hero-name .glitch::after {
  left: -2px;
  text-shadow: 2px 0 rgba(0,136,255,0.4);
  animation: glitch-2 4s infinite;
  clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
}
@keyframes glitch-1 {
  0%,90%,100%{transform:translateX(0);opacity:0}
  92%{transform:translateX(-3px);opacity:1}
  94%{transform:translateX(3px);opacity:1}
  96%{opacity:0}
}
@keyframes glitch-2 {
  0%,88%,100%{transform:translateX(0);opacity:0}
  90%{transform:translateX(3px);opacity:1}
  93%{transform:translateX(-2px);opacity:1}
  95%{opacity:0}
}

.hero-title {
  font-size: clamp(.95rem,2vw,1.15rem);
  color: var(--muted);
  margin-bottom: 2.2rem;
  max-width: 560px;
  line-height: 1.6;
}
.hero-title .typed-cursor {
  color: var(--green);
  animation: blink .7s infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

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

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .7rem 1.5rem;
  border-radius: 8px;
  font-size: .88rem;
  font-family: var(--mono);
  font-weight: 600;
  transition: all 0.3s var(--ease-spring);
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.05);
  transform: translateX(-100%);
  transition: transform 0.4s var(--ease-spring);
}
.btn:hover::before { transform: translateX(0); }

.btn-primary {
  background: var(--green);
  color: #060a0f;
  box-shadow: 0 0 20px rgba(0,255,136,0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0,255,136,0.45);
  color: #060a0f;
}
.btn-outline {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(0,255,136,0.03);
}
.btn-outline:hover {
  border-color: rgba(0,255,136,0.4);
  color: var(--green);
  transform: translateY(-2px);
}

/* ── About ─────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: start;
}
.about-text p { color: var(--muted); margin-bottom: 1rem; }
.about-text p strong { color: var(--text); }

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  display: flex; align-items: center; gap: 1.2rem;
  transition: border-color 0.3s, transform 0.3s var(--ease-spring), box-shadow 0.3s;
  cursor: default;
  margin-bottom: 1rem;
}
.stat-card:hover {
  border-color: var(--border);
  transform: translateX(6px);
  box-shadow: -3px 0 0 var(--green), 0 0 20px rgba(0,255,136,0.08);
}
.stat-number {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  min-width: 64px;
  text-shadow: var(--green-glow);
}
.stat-label { font-size: .82rem; color: var(--muted); line-height: 1.4; }

/* ── Expertise ─────────────────────────────── */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
  gap: 1.2rem;
}
.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: border-color 0.3s, transform 0.4s var(--ease-spring), box-shadow 0.3s;
  cursor: default;
  position: relative;
  overflow: hidden;
}
.exp-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0,255,136,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.exp-card:hover {
  border-color: var(--border);
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 30px rgba(0,255,136,0.06);
}
.exp-card:hover::before { opacity: 1; }

.exp-icon { font-size: 1.6rem; margin-bottom: 1rem; filter: grayscale(0.3); }
.exp-card h3 { font-size: .95rem; color: var(--text); margin-bottom: .5rem; font-weight: 700; }
.exp-card p { font-size: .8rem; color: var(--muted); line-height: 1.65; }

/* ── Projects ──────────────────────────────── */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 2.5rem;
  position: relative; overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  box-shadow: var(--green-glow);
}
.project-card::after {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(0,255,136,0.05) 0%, transparent 70%);
  pointer-events: none;
}
.project-card:hover {
  border-color: rgba(0,255,136,0.2);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 40px rgba(0,255,136,0.05);
}
.project-header {
  display: flex; align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem; flex-wrap: wrap; gap: .5rem;
}
.project-name {
  font-family: var(--mono);
  font-size: 1.6rem;
  color: var(--green);
  font-weight: 700;
  text-shadow: var(--green-glow);
}
.project-badges { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.badge {
  font-family: var(--mono);
  font-size: .68rem;
  padding: .2rem .6rem;
  border-radius: 20px;
  background: var(--green-dim);
  color: var(--green);
  border: 1px solid rgba(0,255,136,0.2);
  letter-spacing: .05em;
}
.project-tagline {
  font-size: 1rem; font-weight: 700;
  color: var(--text); margin-bottom: .75rem;
}
.project-desc {
  color: var(--muted); font-size: .88rem; margin-bottom: 1.8rem; line-height: 1.75;
}
.project-feature {
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(0,255,136,0.12);
  border-radius: 8px;
  padding: 1.2rem 1.4rem;
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--muted);
  margin-bottom: 1.8rem;
  line-height: 2;
  position: relative;
  overflow: hidden;
}
.project-feature::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 2px;
  background: var(--green);
  box-shadow: var(--green-glow);
}
.project-feature .hi { color: var(--green); }
.project-feature .err { color: #ff5f57; }
.project-link {
  font-family: var(--mono);
  font-size: .85rem;
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--green);
  transition: gap 0.3s var(--ease-spring);
}
.project-link:hover { gap: .8rem; }

/* ── Certifications ────────────────────────── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
  gap: 1rem;
}
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 1.3rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
  transition: border-color 0.3s, transform 0.4s var(--ease-spring);
}
.cert-card:hover {
  border-color: var(--border);
  transform: translateY(-4px);
}
.cert-icon { font-size: 1.4rem; min-width: 2rem; text-align: center; }
.cert-name {
  font-family: var(--mono);
  font-size: .88rem;
  color: var(--green);
  font-weight: 600;
}
.cert-issuer { font-size: .73rem; color: var(--muted); margin-top: .1rem; }

/* ── Contact ───────────────────────────────── */
#contact { text-align: center; }
#contact .section-divider { margin: 0 auto 2.5rem; }
.contact-tagline { color: var(--muted); max-width: 480px; margin: 0 auto 2.5rem; font-size: .95rem; }
.contact-links { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ── Footer ────────────────────────────────── */
footer {
  border-top: 1px solid var(--border2);
  padding: 2rem 1.5rem;
  text-align: center;
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--muted);
}
footer span { color: var(--green); }

/* ── Responsive ────────────────────────────── */
@media(max-width:768px){
  .about-grid{grid-template-columns:1fr;gap:2.5rem}
  .nav-links{gap:1rem}
  .hero-name{font-size:2.6rem}
  section{padding:4rem 0}
  nav{width:calc(100% - 2rem);border-radius:12px}
  body{cursor:auto}
  #cursor,#cursor-ring{display:none}
}