@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,400;0,500;0,700;1,400&display=swap');

:root {
  --bg: #0a0e0a;
  --panel: #101610;
  --border: #1c2a1c;
  --fg: #00ff41;
  --dim: #4a7a52;
  --cyan: #00d4ff;
  --amber: #ffb000;
  --font: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, 'Liberation Mono', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
}

img { max-width: 100%; }

a { color: var(--cyan); text-decoration: none; }
a:hover, a:focus-visible { text-decoration: underline; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--panel);
  color: var(--fg);
  padding: 10px 16px;
  border: 1px solid var(--cyan);
  z-index: 1000;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
}

/* ---------- background layers ---------- */

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

body.static-bg #rain-canvas { display: none; }

body.static-bg::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  background: radial-gradient(circle at 50% 0%, rgba(0, 255, 65, 0.06), transparent 60%);
  pointer-events: none;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 255, 65, 0.035) 0px,
    rgba(0, 255, 65, 0.035) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0, 0, 0, 0.55) 100%);
}

/* ---------- boot screen ---------- */

.boot-screen {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--bg);
  color: var(--fg);
  padding: 10vh 8vw;
  font-size: 14px;
}
.boot-screen.active { display: block; }

.boot-lines { white-space: pre-wrap; }
.boot-lines .line { display: block; margin-bottom: 6px; }
.boot-lines .line .ok { color: var(--amber); }

.boot-skip {
  color: var(--dim);
  margin-top: 24px;
  font-size: 12px;
}

/* ---------- layout ---------- */

main {
  position: relative;
  z-index: 2;
}

section {
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 24px;
}

.prompt-heading {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0 0 28px;
  color: var(--fg);
}
.prompt-heading::before {
  content: "user@portfolio:~$ ";
  color: var(--dim);
  font-weight: 400;
}

.section-note {
  color: var(--dim);
  max-width: 620px;
  margin: -16px 0 28px;
  font-size: 0.9rem;
}

/* ---------- header / nav ---------- */

.site-header {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 14, 10, 0.85);
  backdrop-filter: blur(4px);
}

.logo {
  color: var(--fg);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo:hover { text-decoration: none; color: var(--cyan); }
.cursor {
  animation: blink 1s steps(1) infinite;
}
body.static-bg .cursor { animation: none; }

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.85rem;
}
.site-nav a { color: var(--dim); }
.site-nav a::before { content: "./"; color: var(--border); }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--cyan); }

.motion-toggle {
  font-family: var(--font);
  font-size: 0.75rem;
  background: transparent;
  color: var(--dim);
  border: 1px solid var(--border);
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 2px;
}
.motion-toggle:hover, .motion-toggle:focus-visible { color: var(--amber); border-color: var(--amber); }
.motion-toggle[aria-pressed="true"] { color: var(--amber); border-color: var(--amber); }

/* ---------- hero ---------- */

.hero {
  padding-top: 90px;
  padding-bottom: 70px;
}

.hero-name {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  margin: 0 0 10px;
  color: var(--fg);
  position: relative;
  display: inline-block;
}

.hero-name.glitch { animation: glitch-shake 0.28s linear; }
.hero-name.glitch::before,
.hero-name.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  background: var(--bg);
}
.hero-name.glitch::before {
  color: #ff2050;
  clip-path: inset(0 0 55% 0);
  transform: translate(-3px, -1px);
}
.hero-name.glitch::after {
  color: var(--cyan);
  clip-path: inset(45% 0 0 0);
  transform: translate(3px, 1px);
}

.hero-tagline {
  color: var(--amber);
  font-size: 1.05rem;
  margin: 0 0 8px;
}
.hero-tagline::before { content: "// "; color: var(--dim); }

.hero-subtitle {
  color: var(--dim);
  font-size: 0.9rem;
  margin: 0 0 30px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--fg);
  font-family: var(--font);
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 2px;
}
.btn:hover, .btn:focus-visible { border-color: var(--cyan); color: var(--cyan); text-decoration: none; }
.btn.btn-primary { border-color: var(--fg); }
.btn.btn-primary:hover { border-color: var(--cyan); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  max-width: 640px;
}
.stat-item {
  background: var(--panel);
  padding: 12px 14px;
}
.stat-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dim);
  margin-bottom: 4px;
}
.stat-val {
  color: var(--amber);
  font-size: 0.85rem;
}

/* ---------- panels (about, generic) ---------- */

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 24px;
}

.about-text {
  font-size: 1rem;
  max-width: 680px;
  margin: 0;
}

/* ---------- project cards ---------- */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.proj-card {
  background: var(--panel);
  border: 1px solid var(--border);
}

.proj-titlebar {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  background: #0d130d;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--dim);
  font-family: var(--font);
  font-size: 0.78rem;
  padding: 9px 12px;
  cursor: pointer;
  text-align: left;
}
.proj-titlebar:hover, .proj-titlebar:focus-visible { color: var(--fg); }

.proj-dots { display: inline-flex; gap: 5px; }
.proj-dots i {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: block;
  background: var(--dim);
}
.proj-dots i:nth-child(1) { background: #ff5f56; }
.proj-dots i:nth-child(2) { background: var(--amber); }
.proj-dots i:nth-child(3) { background: var(--fg); }

.proj-path { flex: 1; overflow-wrap: anywhere; }
.proj-caret { color: var(--cyan); }

.proj-summary { padding: 16px 20px 0; }
.proj-title { font-size: 1.02rem; margin: 0; color: var(--fg); }

.proj-details {
  padding: 12px 20px 20px;
  overflow: hidden;
}
.proj-details.collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  transition: max-height 0.25s ease, padding 0.25s ease;
}
.proj-details:not(.collapsed) {
  transition: max-height 0.25s ease;
}

.proj-desc { color: var(--dim); font-size: 0.88rem; margin: 0 0 14px; }

.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tag {
  font-size: 0.7rem;
  color: var(--amber);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 2px;
}

.proj-link { font-size: 0.8rem; }
.proj-link::before { content: "$ "; color: var(--dim); }

/* ---------- skills ---------- */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.skill-card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 18px 20px;
}
.skill-card h3 {
  font-size: 0.85rem;
  color: var(--dim);
  margin: 0 0 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.skill-card h3::before { content: "> "; color: var(--cyan); }

/* ---------- experience timeline ---------- */

.timeline { border-left: 1px solid var(--border); padding-left: 24px; display: flex; flex-direction: column; gap: 28px; }
.tl-entry { position: relative; }
.tl-entry::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--fg);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--bg);
}
.tl-date { color: var(--amber); font-size: 0.78rem; margin-bottom: 4px; display: block; }
.tl-card { background: var(--panel); border: 1px solid var(--border); padding: 18px 20px; }
.tl-card h3 { margin: 0 0 2px; font-size: 1rem; color: var(--fg); }
.tl-role { display: block; color: var(--dim); font-size: 0.82rem; margin-bottom: 10px; }
.tl-card ul { margin: 0; padding-left: 18px; }
.tl-card li { color: var(--dim); font-size: 0.86rem; margin-bottom: 6px; }

/* ---------- involvement ---------- */

.involve-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.involve-card {
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 16px 18px;
}
.involve-card h3 { font-size: 0.92rem; margin: 0 0 6px; color: var(--fg); }
.involve-card p { font-size: 0.82rem; color: var(--dim); margin: 0; }

/* ---------- contact ---------- */

.contact-grid {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 14px 18px;
  color: var(--fg);
  min-width: 220px;
}
.contact-link:hover, .contact-link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  text-decoration: none;
}
.contact-glyph {
  color: var(--amber);
  font-weight: 700;
  border: 1px solid var(--border);
  padding: 4px 7px;
  font-size: 0.8rem;
}

/* ---------- footer ---------- */

.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--border);
  padding: 24px;
  text-align: center;
  color: var(--dim);
  font-size: 0.8rem;
}

/* ---------- command bar ---------- */

.command-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 500;
  background: var(--panel);
  border-top: 1px solid var(--border);
}

.command-bar-toggle {
  display: none;
  width: 100%;
  background: var(--panel);
  color: var(--fg);
  border: none;
  font-family: var(--font);
  padding: 10px;
  font-size: 0.8rem;
  cursor: pointer;
}

.command-log {
  max-height: 26vh;
  overflow-y: auto;
  padding: 10px 16px;
  font-size: 0.8rem;
  color: var(--dim);
  border-bottom: 1px solid var(--border);
}
.command-log:empty { display: none; }
.command-log .cl-input { color: var(--fg); }
.command-log .cl-input::before { content: "guest@warren:~$ "; color: var(--dim); }
.command-log .cl-error { color: #ff5f56; }
.command-log p { margin: 0 0 6px; }

.command-form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
}
.command-prompt { color: var(--amber); font-size: 0.85rem; white-space: nowrap; }
.command-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--fg);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
}
.command-input::placeholder { color: var(--dim); }

/* ---------- utility ---------- */

.scramble { display: inline-block; }

@keyframes blink { 50% { opacity: 0; } }
@keyframes glitch-shake {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-2px, 1px); }
  40% { transform: translate(2px, -1px); }
  60% { transform: translate(-1px, -1px); }
  80% { transform: translate(1px, 1px); }
}

/* ---------- responsive ---------- */

@media (max-width: 768px) {
  section { padding: 44px 18px; }
  .projects-grid, .skills-grid { grid-template-columns: 1fr; }
  .involve-grid { grid-template-columns: 1fr 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .site-nav { order: 3; width: 100%; }

  .command-bar-toggle { display: block; }
  .command-bar-panel { display: none; }
  .command-bar.open .command-bar-panel { display: block; }
}

@media (max-width: 480px) {
  .involve-grid { grid-template-columns: 1fr; }
}

/* ---------- reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor { animation: none; }
  .hero-name.glitch { animation: none; }
  .hero-name.glitch::before, .hero-name.glitch::after { display: none; }
}

body.static-bg .hero-name.glitch { animation: none; }
body.static-bg .hero-name.glitch::before,
body.static-bg .hero-name.glitch::after { display: none; }