:root {
  /* Colors */
  --bg: #0d0d0d;
  --panel: #151515;
  --text: #e8e8e8;
  --muted: #888888;
  --accent: #00ff88;
  --border: #2a2a2a;

  /* Grid */
  --grid-opacity: 0.08;
  --grid-size: 32px;

  /* Layout */
  --max-width: 1000px;
  --border-radius: 4px;

  /* Spacing */
  --space-unit: 1.5rem;
  --space-xs: calc(var(--space-unit) * 0.5);
  --space-sm: var(--space-unit);
  --space-md: calc(var(--space-unit) * 1.5);
  --space-lg: calc(var(--space-unit) * 2.5);
  --space-xl: calc(var(--space-unit) * 4);

  /* Effects */
  --glow-strength: 0 0 12px;
  --transition: 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 15px;
  position: relative;
  overflow-x: hidden;
}

/* Grid Background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  opacity: var(--grid-opacity);
  pointer-events: none;
  z-index: 0;
}

/* Radial fade on grid */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, transparent 0%, var(--bg) 80%);
  pointer-events: none;
  z-index: 1;
}

/* Center column container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
  position: relative;
  z-index: 2;
}

/* Header / Nav */
header {
  position: sticky;
  top: 0;
  background: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: var(--space-sm) 0;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  position: relative;
  transition: color var(--transition);
  font-size: 14px;
}

nav a:hover,
nav a:focus-visible { color: var(--text); }

nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* Gradient underline on nav links */
nav ul li:not(.nav-icons) a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transition: width var(--transition);
}

nav ul li:not(.nav-icons) a:hover::after,
nav ul li:not(.nav-icons) a:focus-visible::after { width: 100%; }

.nav-icons {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.icon-link {
  width: 20px;
  height: 20px;
  display: inline-flex;
  opacity: 0.65;
  transition: opacity var(--transition), transform var(--transition);
  color: var(--text);
}

.icon-link:hover,
.icon-link:focus-visible {
  opacity: 1;
  transform: translateY(-2px);
  outline: none;
}

.btn-resume {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 6px 16px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  font-size: 13px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-resume:hover,
.btn-resume:focus-visible {
  background: var(--accent);
  color: var(--bg);
  box-shadow: var(--glow-strength) rgba(0, 255, 136, 0.4);
  outline: none;
}

/* Sections */
section {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--border);
}

section:last-of-type { border-bottom: none; }

h1 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--space-md);
  color: var(--accent);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.1rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

p {
  max-width: 70ch;
  color: var(--muted);
  margin-bottom: var(--space-sm);
}
.tagline {
  font-size: 1.1rem;
  color: var(--muted);
  margin-bottom: var(--space-md);
}

/* Hero layout: text left, canvas right */
#home.hero {
  min-height: 60vh;
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(260px, 0.9fr);
  align-items: start;
  gap: var(--space-xl);
  padding-top: var(--space-lg);
}

#home.hero .hero-left { 
  text-align: left; 
  margin-top: 80px;
}

#home.hero .hero-right {
  position: relative;
  height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
}

#towerCanvas {
  width: 150%;
  height: 150%;
  transform: translateY(-10px);
}

.tower-caption{
  position: absolute;
  bottom: 10px;
  right: 12px;
  font-size: 12px;
  color: var(--muted);
  background: rgba(0,0,0,0.25);
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

/* Mobile: stack columns */
@media (max-width: 520px){
  #home.hero{ grid-template-columns: 1fr; }
  #home.hero .hero-right{ height: 260px; }
}

/* Status pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  margin-top: var(--space-xs);
  width: fit-content;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.info-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.info-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--space-sm);
}

.info-block h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.info-list { list-style: none; }

.info-list li {
  padding-left: 20px;
  position: relative;
  color: var(--text);
  margin-bottom: 8px;
  font-size: 14px;
}

.info-list li::before {
  content: "↳";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* Projects */
.projects-grid { display: grid; gap: var(--space-md); }

.project-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  padding: var(--space-sm);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-xs);
  gap: var(--space-sm);
}

.project-card h3 { margin: 0; }

.project-card p {
  font-size: 14px;
  margin-bottom: var(--space-sm);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--space-sm);
}

.tech-tag {
  font-size: 11px;
  padding: 3px 8px;
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent);
  border-radius: 3px;
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  transition: gap var(--transition);
}

.project-link:hover,
.project-link:focus-visible { gap: 10px; outline: none; }

.project-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* Footer */
footer {
  text-align: center;
  padding: var(--space-lg) 0;
  color: var(--muted);
  font-size: 13px;
}

/* Optional hide */
.hidden-section { display: none !important; }

.nav-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand:hover,
.brand:focus-visible {
  color: var(--text);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a.active {
  color: var(--text);
}

body:not(.keyboard-nav) :focus-visible {
  outline: none;
}

/* Experience meta text on the right of the job title */
.job-meta {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}