:root {
  --bg: #050807;
  --surface: #0b120f;
  --surface-2: #0f1a15;
  --border: #1e3a2c;
  --border-bright: #2f5f45;
  --text: #b9ffd4;
  --text-dim: #6f9d84;
  --accent: #39ff8c;
  --accent-2: #5ad1ff;
  --radius: 4px;
  --max-width: 960px;
  --glow: 0 0 8px rgba(57, 255, 140, 0.45);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  line-height: 1.65;
  transition: background 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  position: relative;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Background layers */
#matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  display: block;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0) 40%, rgba(0,0,0,0.65) 100%),
    rgba(4, 7, 6, 0.45);
  pointer-events: none;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 1px,
    rgba(0, 0, 0, 0.12) 2px,
    rgba(0, 0, 0, 0) 3px
  );
  mix-blend-mode: overlay;
}

@media (prefers-reduced-motion: reduce) {
  .scanlines { display: none; }
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.prompt-symbol {
  color: var(--accent);
  text-shadow: var(--glow);
  margin-right: 6px;
}

.cursor-blink {
  display: inline-block;
  color: var(--accent);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(5, 8, 7, 0.88);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

nav {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 18px;
}

.term-dots {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.term-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
  background: var(--border-bright);
}

.term-dots span:nth-child(1) { background: #ff5f56; }
.term-dots span:nth-child(2) { background: #ffbd2e; }
.term-dots span:nth-child(3) { background: #27c93f; }

.logo {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.88rem;
}

.nav-links a:hover {
  color: var(--accent);
  text-shadow: var(--glow);
  text-decoration: none;
}

/* Hero */
.hero {
  padding: 88px 0 64px;
}

.boot-line {
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-bottom: 24px;
}

.avatar-frame {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--accent);
  box-shadow: 0 0 22px rgba(57, 255, 140, 0.45);
  margin: 0 0 24px;
}

.avatar {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero h1 {
  font-size: 1.1rem;
  margin: 0 0 12px;
  color: var(--text-dim);
  font-weight: 500;
}

.hero-name {
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 800;
  color: var(--accent);
  text-shadow: 0 0 16px rgba(57, 255, 140, 0.35);
  min-height: 1.2em;
  white-space: pre-wrap;
  word-break: break-word;
}

.hero .role {
  color: var(--text);
  font-size: 1.1rem;
  margin: 10px 0 18px;
}

.hero .hash { color: var(--accent-2); }

.hero .tagline {
  color: var(--text-dim);
  max-width: 600px;
  font-size: 1rem;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid var(--border-bright);
  font-family: inherit;
}

.btn:hover { text-decoration: none; }

.btn-primary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-primary:hover { box-shadow: var(--glow); background: rgba(57, 255, 140, 0.08); }

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent-2); color: var(--accent-2); }

/* Sections */
section {
  padding: 60px 0;
  border-top: 1px solid var(--border);
}

section h2 {
  font-size: 1.3rem;
  margin: 0 0 28px;
  color: var(--text);
}

.about p {
  color: var(--text-dim);
  max-width: 700px;
  font-size: 1rem;
}

/* Skills */
.skills-groups {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: start;
}

.skill-group {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 16px;
}

.skill-group h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-2);
  margin: 0 0 12px;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 10px;
  border-radius: var(--radius);
  font-size: 0.8rem;
}

/* Projects */
.projects-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  border-color: var(--border-bright);
  box-shadow: var(--glow);
}

.project-card h3 {
  margin: 0;
  font-size: 1rem;
  color: var(--accent);
}

.project-card h3::before { content: "> "; color: var(--text-dim); }

.project-card p {
  color: var(--text-dim);
  margin: 0;
  font-size: 0.9rem;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tags span {
  font-size: 0.72rem;
  color: var(--accent-2);
  background: rgba(90, 209, 255, 0.08);
  border: 1px solid rgba(90, 209, 255, 0.25);
  padding: 3px 8px;
  border-radius: var(--radius);
}

.project-links {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
}

/* Education */
.edu-item {
  border-left: 2px solid var(--border-bright);
  padding-left: 18px;
  margin-bottom: 22px;
}

.edu-item h3 {
  margin: 0 0 4px;
  font-size: 1rem;
  color: var(--text);
}

.edu-period {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.edu-item p {
  color: var(--text-dim);
  margin: 0;
  font-size: 0.9rem;
}

/* Contact */
.contact-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-links a {
  color: var(--text);
  font-size: 0.9rem;
  border: 1px solid var(--border);
  padding: 9px 16px;
  border-radius: var(--radius);
  background: var(--surface);
}

.contact-links a:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
  box-shadow: var(--glow);
}

footer {
  padding: 28px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

.footer-updated {
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text-dim);
  opacity: 0.7;
}

@media (max-width: 600px) {
  nav { flex-wrap: wrap; row-gap: 10px; }
  .nav-links { gap: 12px; flex-wrap: wrap; }
  .nav-links a { font-size: 0.82rem; }
  .hero { padding: 64px 0 44px; }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}