:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --border: #1e1e1e;
  --accent: #c8f135;
  --accent2: #3dffd0;
  --text: #f0f0f0;
  --muted: #666;
  --card: #141414;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Syne', sans-serif;
  overflow-x: hidden;
  cursor: none;
}

/* Custom cursor */
.cursor {
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.15s ease, opacity 0.2s;
  mix-blend-mode: difference;
}
.cursor-ring {
  width: 36px; height: 36px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  position: fixed;
  pointer-events: none;
  z-index: 9998;
  transition: transform 0.35s cubic-bezier(.23,1,.32,1), opacity 0.2s;
  mix-blend-mode: difference;
}

/* Noise overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.5rem 3rem;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid var(--border);
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(12px);
}
.nav-logo {
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.nav-links { display: flex; gap: 2.5rem; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8rem;
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent); }

/* HERO */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 3rem 4rem;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(200,241,53,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,241,53,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
}
.hero-content { max-width: 900px; position: relative; z-index: 1; }
.hero-tag {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.3rem 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.6s 0.2s forwards;
}
.hero h1 {
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.4s forwards;
}
.hero h1 span { color: var(--accent); }
.hero-sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeUp 0.7s 0.6s forwards;
  font-family: 'Space Mono', monospace;
}
.hero-cta {
  display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.7s 0.8s forwards;
}
.btn {
  padding: 0.85rem 2rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.2s;
  cursor: none;
  border: none;
  display: inline-block;
}
.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
}
.btn-primary:hover { background: #d4f545; transform: translateY(-2px); }
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--muted);
  background: transparent;
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* Floating accent blob */
.blob {
  position: absolute;
  right: -100px; top: 50%;
  transform: translateY(-50%);
  width: 500px; height: 500px;
  background: radial-gradient(circle at center, rgba(200,241,53,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: pulse 4s ease-in-out infinite;
}

/* SECTIONS */
section { padding: 6rem 3rem; max-width: 1200px; margin: 0 auto; }
.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  margin-bottom: 3.5rem;
}

/* PROJECTS */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5px;
  background: var(--border);
  border: 1.5px solid var(--border);
}
.project-card {
  background: var(--card);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.25s;
}
.project-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.project-card:hover::before { transform: scaleX(1); }
.project-card:hover { background: #1a1a1a; }
.project-num {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
}
.project-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.project-card p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
  font-family: 'Space Mono', monospace;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.65rem;
  color: var(--accent2);
  border: 1px solid rgba(61,255,208,0.25);
  padding: 0.25rem 0.6rem;
  letter-spacing: 0.06em;
}
.project-link {
  display: inline-block;
  margin-top: 1.5rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--accent);
  text-decoration: none;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: gap 0.2s;
}
.project-link::after { content: ' →'; }
.project-link:hover { letter-spacing: 0.15em; }

/* SKILLS */
.skills-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}
.skill-group h4 {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.skill-item {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.25rem;
}
.skill-name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.skill-bar-wrap {
  width: 120px; height: 3px;
  background: var(--border);
  position: relative;
  overflow: hidden;
}
.skill-bar {
  height: 100%;
  background: var(--accent);
  width: 0;
  transition: width 1.2s cubic-bezier(.23,1,.32,1);
}
.skill-bar.animate { width: var(--w); }

/* EDUCATION */
.edu-list { display: flex; flex-direction: column; gap: 0; }
.edu-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.edu-item::before {
  content: '';
  position: absolute; left: -3rem; top: 50%;
  transform: translateY(-50%);
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
}
.edu-degree {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.edu-school {
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  color: var(--accent2);
}
.edu-year {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
  padding-top: 0.2rem;
}
.edu-desc {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 0.5rem;
  line-height: 1.6;
  font-family: 'Space Mono', monospace;
  grid-column: 1 / -1;
}

/* CONTACT */
#contact { text-align: center; padding: 6rem 3rem 8rem; }
#contact .section-title { margin-bottom: 1.5rem; }
#contact p {
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  margin-bottom: 3rem;
  max-width: 400px;
  margin-left: auto; margin-right: auto;
  line-height: 1.7;
}
.contact-links { display: flex; gap: 1.5rem; justify-content: center; flex-wrap: wrap; }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex; justify-content: space-between; align-items: center;
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* ANIMATIONS */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: translateY(-50%) scale(1); opacity: 1; }
  50%       { transform: translateY(-50%) scale(1.1); opacity: 0.7; }
}

.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* DIVIDER */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 0 3rem;
}

@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { gap: 1.5rem; }
  section { padding: 4rem 1.5rem; }
  .skills-wrapper { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero { padding: 7rem 1.5rem 3rem; }
  footer { padding: 1.5rem; flex-direction: column; gap: 0.5rem; }
  .divider { margin: 0 1.5rem; }
  .edu-item::before { display: none; }
  .edu-item { grid-template-columns: 1fr; }
  .edu-year { text-align: left; }
}