:root {
  --black:     #000000;
  --white:     #e8e8e8;
  --dim:       #444444;
  --dimmer:    #222222;
  --green:     #39ff14;
  --fuchsia:   #ff00cc;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-label:'Share Tech Mono', monospace;
  --font-term: 'VT323', monospace;
}

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

html, body {
  background: var(--black);
  color: var(--white);
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  font-family: var(--font-mono);
}

#canvas-container {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
  pointer-events: none;
}

#canvas-container canvas {
  display: block;
}

#main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: flex-end;
  padding: 28px 40px 0;
}

#main-nav ul {
  display: flex;
  gap: 36px;
  list-style: none;
}

#main-nav a {
  font-family: var(--font-label);
  font-size: 9px;
  letter-spacing: 0.4em;
  color: var(--dim);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.15s;
}

#main-nav a:hover { color: var(--fuchsia); }

.site-section {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 50;
  pointer-events: none;
  opacity: 0;
  /* 300ms fade, delayed 200ms after canvas starts fading in (spec requirement) */
  transition: opacity 0.3s ease 0.2s;
}

.site-section.active {
  opacity: 1;
  pointer-events: auto;
}

/* Scrollable inner content for Work / Tour */
.section-inner {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 40px;
  overflow-y: auto;
  padding: 80px 72px;
  max-width: 960px;
  /* Scrollbar hidden but functional */
  scrollbar-width: none;
}
.section-inner::-webkit-scrollbar { display: none; }

/* backdrop panel */
.section-panel {
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
/* fallback for no backdrop-filter support */
@supports not (backdrop-filter: blur(4px)) {
  .section-panel { background: rgba(0,0,0,0.85); }
}

/* Hero */
.hero {
  position: absolute;
  top: 50%;
  left: 40px;
  transform: translateY(-50%);
}

.hero-name {
  font-family: var(--font-mono);
  font-weight: 300;
  font-size: clamp(52px, 7.5vw, 120px);
  letter-spacing: -0.02em;
  line-height: 0.9;
  color: var(--fuchsia);
}

.hero-name span {
  display: inline-block;
  letter-spacing: 0;
  transition: transform 0.8s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Right column */
.right-col {
  position: absolute;
  right: 40px;
  top: 50%;
  transform: translateY(-50%);
  text-align: right;
  min-width: 200px;
}

.col-label {
  font-family: var(--font-term);
  font-size: 14px;
  color: var(--green);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  margin-bottom: 12px;
  opacity: 0.6;
}

.col-item {
  font-family: var(--font-label);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--dim);
  line-height: 2.4;
  cursor: default;
  transition: color 0.15s;
}

.col-item:hover { color: var(--white); }

.col-date { color: var(--white); }

.arrow {
  color: var(--green);
  margin-left: 8px;
  opacity: 0;
  transition: opacity 0.15s;
}

.col-item:hover .arrow { opacity: 1; }

.col-divider {
  height: 1px;
  background: var(--dimmer);
  margin: 16px 0;
}

/* GPS coords */
.coords {
  position: absolute;
  bottom: 56px;
  left: 40px;
  font-family: var(--font-label);
  font-size: 8px;
  letter-spacing: 0.25em;
  color: var(--dimmer);
  line-height: 1.8;
}

/* Marquee */
.marquee-wrap {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding: 10px 0 13px;
  background: rgba(0,0,0,0.9);
  overflow: hidden;
  white-space: nowrap;
}

.marquee-track {
  display: inline-block;
  animation: marquee 40s linear infinite;
  font-family: var(--font-label);
  font-size: 9px;
  letter-spacing: 0.35em;
  color: var(--dim);
  text-transform: uppercase;
}

.m-accent { color: var(--green); }
.m-sep { margin: 0 16px; opacity: 0.3; }

@keyframes marquee {
  from { transform: translateX(100vw); }
  to   { transform: translateX(-100%); }
}

/* ── Work section ── */
#section-work .section-inner {
  padding-top: 100px;
}

.ascii-header {
  font-family: var(--font-term);
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.35em;
  margin-bottom: 28px;
  opacity: 0.45;
  white-space: pre;
  text-shadow: 0 0 8px var(--green);
}

.section-label {
  font-family: var(--font-term);
  font-size: 14px;
  color: var(--green);
  letter-spacing: 0.5em;
  text-transform: uppercase;
  margin-bottom: 36px;
  opacity: 0.55;
  text-shadow: 0 0 6px var(--green);
}

.separator {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(57,255,20,0.2), transparent);
  margin: 4px 0 24px;
}

.bio-intro {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 300;
  color: #d0d0d0;
  line-height: 2;
  margin-bottom: 52px;
  border-left: 1px solid var(--green);
  padding-left: 20px;
}

.bio-intro em {
  color: var(--green);
  font-style: normal;
}

.cv-block {
  margin-bottom: 40px;
  padding: 16px 0;
}

.cv-heading {
  font-family: var(--font-term);
  font-size: 14px;
  color: var(--green);
  letter-spacing: 0.45em;
  text-transform: uppercase;
  margin-bottom: 14px;
  padding-bottom: 7px;
  border-bottom: 1px solid #181818;
  text-shadow: 0 0 5px rgba(57,255,20,0.4);
}

.cv-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 20px;
  margin-bottom: 9px;
  padding-bottom: 9px;
  border-bottom: 1px solid #0c0c0c;
}

.cv-item:last-child { border-bottom: none; }

.cv-label {
  font-family: var(--font-label);
  color: #3a3a3a;
  font-size: 10px;
  padding-top: 2px;
}

.cv-content {
  font-family: var(--font-mono);
  color: #bbb;
  font-size: 12px;
  line-height: 1.8;
}

.cv-content a {
  color: var(--green);
  text-decoration: none;
}

.cv-content a:hover { color: var(--fuchsia); }
.cv-content .hl     { color: #fff; }
.cv-content .dim    { color: #444; font-size: 10px; }

.quote-block {
  margin: 44px 0 0;
  padding: 18px 26px;
  border: 1px solid #161616;
  border-left: 2px solid var(--green);
  background: rgba(0,0,0,0.6);
}

.quote-block p {
  color: #555;
  font-family: var(--font-mono);
  font-size: 11px;
  font-style: italic;
  line-height: 1.9;
}

.quote-block cite {
  display: block;
  margin-top: 9px;
  color: var(--green);
  font-family: var(--font-term);
  font-size: 14px;
  letter-spacing: 0.25em;
  font-style: normal;
}

/* IMPORTANT: greyscale applies to the p5 canvas layer ONLY.
   All HTML overlay elements (headings, labels, links) use the full palette.
   Do NOT apply greyscale filters to .section-inner or any child elements. */
#section-work .cv-heading { color: var(--green); }
#section-work .cv-content a { color: var(--green); }
#section-work .cv-content a:hover { color: var(--fuchsia); }

/* Hamburger — hidden on desktop */
#hamburger-btn { display: none; }
#hamburger-menu { display: none; }

/* ── Mobile (≤768px) ────────────────────────────────── */
@media (max-width: 768px) {

  /* Nav — hide horizontal links, show hamburger */
  #main-nav {
    padding: 16px 20px 0;
    align-items: center;
  }
  #main-nav ul {
    display: none;
  }
  #hamburger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px 4px;
    margin-left: auto;
  }
  #hamburger-btn span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--dim);
    transition: background 0.15s;
  }
  #hamburger-btn:hover span,
  #hamburger-btn[aria-expanded="true"] span { background: var(--fuchsia); }

  /* Dropdown menu */
  #hamburger-menu {
    position: fixed;
    top: 48px;
    right: 20px;
    z-index: 500;
    background: rgba(0,0,0,0.96);
    border: 1px solid var(--dimmer);
    padding: 20px 28px;
    min-width: 160px;
  }
  #hamburger-menu.open {
    display: block;
  }
  #hamburger-menu ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
  }
  #hamburger-menu a {
    font-family: var(--font-label);
    font-size: 10px;
    letter-spacing: 0.4em;
    color: var(--dim);
    text-decoration: none;
    text-transform: uppercase;
    transition: color 0.15s;
  }
  #hamburger-menu a:hover { color: var(--fuchsia); }

  /* Landing: stack hero + right col vertically */
  .hero {
    position: absolute;
    top: 100px;
    left: 20px;
    transform: none;
  }

  .hero-name {
    font-size: clamp(36px, 11vw, 64px);
  }

  .right-col {
    position: absolute;
    top: auto;
    bottom: 80px;
    right: 20px;
    left: 20px;
    transform: none;
    text-align: left;
    max-width: 100%;
  }

  .col-item {
    font-size: 9px;
    line-height: 2;
  }

  /* GPS coords — smaller, reposition */
  .coords {
    bottom: 48px;
    left: 20px;
    font-size: 7px;
  }

  /* Work / Tour inner padding */
  .section-inner {
    padding: 70px 20px 60px;
  }

  /* CV grid — single column on mobile */
  .cv-item {
    grid-template-columns: 1fr;
    gap: 2px 0;
    margin-bottom: 14px;
    padding-bottom: 14px;
  }

  .cv-label {
    color: var(--green);
    font-size: 9px;
    letter-spacing: 0.2em;
    margin-bottom: 2px;
  }

  .cv-content {
    font-size: 11px;
  }

  /* bio intro — tighter */
  .bio-intro {
    font-size: 11px;
    line-height: 1.9;
    margin-bottom: 36px;
  }

  /* Marquee — slightly smaller text */
  .marquee-track {
    font-size: 8px;
    letter-spacing: 0.25em;
  }
}

/* Extra small (≤480px) */
@media (max-width: 480px) {
  #main-nav ul {
    gap: 12px;
  }
  #main-nav a {
    font-size: 7px;
    letter-spacing: 0.18em;
  }
  .hero-name {
    font-size: clamp(30px, 12vw, 52px);
  }
}