:root {
  --bg: #080906;
  --ink: #e6e6e6;
  --muted: #9a9a9a;
  --accent: #a6f574;
  --accent-2: #00f0b5;
  --card: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

#app {
  position: relative;
  z-index: 1;
}

/* === nav === */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(8,9,6,.7), transparent);
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -.02em;
}
.logo .accent { color: var(--accent); }

.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--ink);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--accent); }

.nav-toggle-wrap { display:flex; align-items:center; gap:.8rem; }

.theme-switch {
  display: inline-flex;
  gap: .4rem;
  padding: .35rem .5rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.theme-switch button {
  background: transparent;
  border: none;
  color: var(--ink);
  font-size: .8rem;
  cursor: pointer;
  padding: .25rem .5rem;
  border-radius: 999px;
}
.theme-switch button.active { background: rgba(255,255,255,.08); color: var(--accent); }

/* === sections === */
.section {
  min-height: 100vh;
  padding: 8rem 2rem 4rem;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  opacity: 0;
  filter: blur(6px);
  transition: opacity .55s ease, filter .55s ease;
  pointer-events: none;
}

.section.active { opacity: 1; filter: blur(0); pointer-events: auto; }

.content {
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  padding-top: 2.5rem;
  animation: fadeUp .7s ease-out both;
}

.center { text-align: center; }

.section h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: .85rem;
  color: var(--accent);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === hero === */
#hero .eyebrow {
  font-family: 'JetBrains Mono', monospace;
  color: var(--muted);
  font-size: .85rem;
  margin-bottom: 1.2rem;
  letter-spacing: 1px;
}
#hero h1 .line { display: block; font-size: 1.25rem; font-weight: 400; color: var(--muted); margin-bottom: .5rem; }
#hero h1 .name { display: block; font-size: clamp(2.6rem, 7vw, 5.5rem); font-weight: 700; letter-spacing: -.04em; line-height: 1; }
#hero .subtitle { margin-top: 1.2rem; font-size: 1.1rem; color: var(--muted); font-weight: 400; }
.cta {
  display: inline-block; margin-top: 2rem;
  padding: .85rem 1.6rem;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  text-decoration: none;
  font-size: .95rem;
  transition: all .2s;
  backdrop-filter: blur(6px);
}
.cta:hover { border-color: var(--accent); color: var(--accent); }
.scroll-hint { margin-top: 3rem; color: var(--muted); font-family: 'JetBrains Mono', monospace; font-size: .8rem; animation: bounce 1.6s infinite; }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(6px); } }

/* === cards === */
.card-grid { display: grid; gap: 1.5rem; grid-template-columns: 1.2fr .8fr; }
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.8rem 2rem;
  backdrop-filter: blur(8px);
}
.card h3 { font-size: 1.05rem; margin-bottom: .8rem; }
.card p { color: var(--muted); font-size: .92rem; line-height: 1.65; }
.card code { font-family: 'JetBrains Mono', monospace; color: var(--accent); font-size: .82rem; background: rgba(255,255,255,.06); padding: .15rem .4rem; border-radius: 4px; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: .6rem 1.2rem; font-size: .88rem; }
.kv span:first-child { color: var(--muted); }
.kv span:last-child { color: var(--ink); font-weight: 500; }

/* === skills === */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}
.skill-item {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1.2rem 1.4rem;
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  transition: border-color .2s;
}
.skill-item:hover { border-color: var(--accent); }
.skill-item .icon { font-size: 1.3rem; line-height: 1; padding-top: .1rem; }
.skill-item h4 { font-size: .95rem; margin-bottom: .2rem; }
.skill-item p { font-size: .8rem; color: var(--muted); line-height: 1.5; }

/* === projects === */
.project-list { display: grid; gap: 1.4rem; }
.project {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 1.8rem 2rem;
  backdrop-filter: blur(6px);
}
.project-meta { display: flex; gap: .6rem; flex-wrap: wrap; margin-bottom: .8rem; }
.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: .7rem;
  padding: .25rem .6rem;
  background: rgba(166,245,116,.08);
  color: var(--accent);
  border-radius: 999px;
  border: 1px solid rgba(166,245,116,.2);
}
.project h3 { font-size: 1.2rem; margin-bottom: .5rem; }
.project p { color: var(--muted); font-size: .9rem; line-height: 1.7; }
.project code { font-family: 'JetBrains Mono', monospace; color: var(--accent-2); font-size: .82rem; }
.links { margin-top: .8rem; }
.links a { color: var(--accent); text-decoration: none; font-size: .88rem; transition: color .2s; }
.links a:hover { color: var(--ink); }

.contact-links { margin-top: 2rem; display: inline-flex; flex-wrap: wrap; gap: .8rem; justify-content: center; }
.chip {
  color: var(--ink);
  text-decoration: none;
  padding: .75rem 1.3rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  backdrop-filter: blur(6px);
  transition: border-color .2s, color .2s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* === mobile === */
@media (max-width: 680px) {
  #navbar { padding: 1rem 1.2rem; }
  .nav-links { display: none; position: absolute; top: 100%; right: 0; background: rgba(8,9,6,.95); flex-direction: column; padding: 1rem 1.5rem; gap: 1rem; border-bottom-left-radius: 16px; border: 1px solid var(--card-border); border-top: none; }
  .nav-links.open { display: flex; }
  #menu-toggle { display: block; }
  #menu-toggle { display: block; }
  .card-grid { grid-template-columns: 1fr; }
  .section { padding-top: 7rem; }
}
/* ==================== Component tweaks ==================== */