/* ============================================
   MATTEO ALBERTI - PIXEL ART PORTFOLIO
   BMO-Inspired Design System
   ============================================ */

/* --- Custom Properties (Light Default) --- */
:root {
  --bg-dark: #d8ece8;
  --bg-medium: rgba(255,255,255,0.85);
  --bg-light: #c8ddd8;
  --primary: #00a884;
  --secondary: #c04070;
  --accent: #d4a017;
  --accent2: #6a9e72;
  --accent3: #5a4fcf;
  --text: #2a2a2a;
  --text-bright: #111111;
  --text-muted: #555;
  --pixel-border: #00a884;
  --glow-cyan: rgba(0,168,132,0.3);
  --glow-pink: rgba(192,64,112,0.3);
  --glow-yellow: rgba(212,160,23,0.3);
  --page-bg: linear-gradient(135deg, #c8e6df 0%, #d4dce8 30%, #e0d0e8 60%, #c8e6df 100%);
  --sparkle-color: rgba(90,79,207,0.5);
  --font-pixel: 'Press Start 2P', monospace;
  --font-body: 'Inter', sans-serif;
  --font-code: 'Fira Code', monospace;
  --nav-height: 70px;
}
/* --- Dark Theme --- */
[data-theme="dark"] {
  --bg-dark: #0f1a2a;
  --bg-medium: rgba(20,30,50,0.85);
  --bg-light: #162030;
  --primary: #00d4aa;
  --secondary: #ff6b9d;
  --accent: #ffd93d;
  --accent2: #8BBE93;
  --accent3: #6c5ce7;
  --text: #e0e0e0;
  --text-bright: #ffffff;
  --text-muted: #888;
  --pixel-border: #00d4aa;
  --glow-cyan: rgba(0,212,170,0.5);
  --glow-pink: rgba(255,107,157,0.5);
  --glow-yellow: rgba(255,217,61,0.5);
  --page-bg: linear-gradient(135deg, #0f1a2a 0%, #1a1a3a 30%, #2a1530 60%, #0f1a2a 100%);
  --sparkle-color: rgba(0,212,170,0.6);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--page-bg);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: crosshair;
}
a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 { font-family: var(--font-pixel); color: var(--text-bright); line-height: 1.4; }
h1 { font-size: 2rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 0.9rem; }
h4 { font-size: 0.75rem; }
p { margin-bottom: 1rem; }
code { font-family: var(--font-code); background: var(--bg-medium); padding: 2px 6px; border-radius: 2px; font-size: 0.9em; }

/* --- Layout --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title {
  font-family: var(--font-pixel);
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 48px;
  display: flex; align-items: center; gap: 12px;
}
.section-title::after { content: ''; flex: 1; height: 2px; background: linear-gradient(90deg, var(--primary), transparent); }

/* --- Grids --- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* --- Pixel Border Utility --- */
.pixel-border {
  box-shadow:
    4px 0 0 0 var(--pixel-border),
    -4px 0 0 0 var(--pixel-border),
    0 4px 0 0 var(--pixel-border),
    0 -4px 0 0 var(--pixel-border);
}

/* --- Buttons --- */
.btn {
  font-family: var(--font-pixel);
  font-size: 0.65rem;
  padding: 14px 28px;
  border: none;
  cursor: pointer;
  display: inline-block;
  text-align: center;
  transition: all 0.2s;
  position: relative;
}
.btn-primary {
  background: var(--primary);
  color: var(--bg-dark);
  box-shadow: 4px 4px 0 var(--accent2);
}
.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--accent2), 0 0 20px var(--glow-cyan);
  color: var(--bg-dark);
}
.btn-secondary {
  background: transparent;
  color: var(--secondary);
  border: 2px solid var(--secondary);
  box-shadow: 4px 4px 0 var(--accent3);
}
.btn-secondary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--accent3), 0 0 20px var(--glow-pink);
  background: rgba(255,107,157,0.1);
  color: var(--secondary);
}

/* --- Cards --- */
.card {
  background: var(--bg-medium);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 24px;
  transition: all 0.3s;
  position: relative;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,212,170,0.15), 0 0 0 1px var(--primary);
}
.card-accent-top { border-top: 3px solid var(--primary); }
.card-accent-pink { border-top: 3px solid var(--secondary); }
.card-accent-yellow { border-top: 3px solid var(--accent); }
.card-accent-purple { border-top: 3px solid var(--accent3); }

/* --- Tags --- */
.tag {
  font-family: var(--font-pixel);
  font-size: 0.5rem;
  padding: 4px 10px;
  display: inline-block;
  margin: 2px;
}
.tag-cyan { background: rgba(0,212,170,0.15); color: var(--primary); border: 1px solid var(--primary); }
.tag-pink { background: rgba(255,107,157,0.15); color: var(--secondary); border: 1px solid var(--secondary); }
.tag-yellow { background: rgba(255,217,61,0.15); color: var(--accent); border: 1px solid var(--accent); }
.tag-purple { background: rgba(108,92,231,0.15); color: var(--accent3); border: 1px solid var(--accent3); }
.tag-green { background: rgba(139,190,147,0.15); color: var(--accent2); border: 1px solid var(--accent2); }

/* --- Animations --- */
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes glitch {
  0%,100% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); filter: hue-rotate(90deg); }
  40% { transform: translate(2px, -2px); filter: hue-rotate(-90deg); }
  60% { transform: translate(-1px, -1px); }
  80% { transform: translate(1px, 1px); filter: hue-rotate(45deg); }
}
@keyframes typewriter { from { width: 0; } to { width: 100%; } }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
@keyframes pulse-glow { 0%,100% { box-shadow: 0 0 5px var(--primary); } 50% { box-shadow: 0 0 20px var(--primary), 0 0 40px var(--glow-cyan); } }
@keyframes fade-in-up { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@keyframes bounce { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pixel-in { from { opacity: 0; transform: scale(0.8); } to { opacity: 1; transform: scale(1); } }

/* --- Utility Classes --- */
.float { animation: float 3s ease-in-out infinite; }
.glitch-text { animation: glitch 3s ease-in-out infinite; }
.glow-text { text-shadow: 0 0 10px var(--glow-cyan), 0 0 20px var(--glow-cyan); }
.pixel-text { font-family: var(--font-pixel); }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s, transform 0.6s; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 48px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; }
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; } .items-center { align-items: center; } .justify-center { justify-content: center; }

/* --- Loading Screen --- */
#loading-screen {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg-dark);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  transition: opacity 0.5s;
}
#loading-screen.hidden { opacity: 0; pointer-events: none; }
.loading-bar { width: 200px; height: 16px; border: 2px solid var(--primary); padding: 2px; }
.loading-bar-fill { height: 100%; background: var(--primary); animation: loading-fill 1.5s ease-in-out forwards; }
@keyframes loading-fill { from { width: 0; } to { width: 100%; } }
.loading-text { font-family: var(--font-pixel); font-size: 0.7rem; color: var(--primary); margin-top: 16px; animation: blink 1s infinite; }

/* --- Navbar --- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--nav-height);
  background: rgba(216,236,232,0.8);
  backdrop-filter: blur(12px);
  display: flex; align-items: center;
  transition: all 0.3s;
  border-bottom: 1px solid rgba(0,168,132,0.15);
}
.navbar.scrolled { height: 55px; background: rgba(216,236,232,0.92); }
[data-theme="dark"] .navbar { background: rgba(15,26,42,0.8); border-bottom-color: rgba(0,212,170,0.1); }
[data-theme="dark"] .navbar.scrolled { background: rgba(15,26,42,0.92); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav-logo {
  font-family: var(--font-pixel);
  font-size: 0.85rem;
  color: var(--primary);
  text-shadow: 0 0 10px var(--glow-cyan);
}
.nav-links { display: flex; gap: 24px; list-style: none; }
.nav-links a {
  font-family: var(--font-pixel);
  font-size: 0.55rem;
  color: var(--text);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--primary); transition: width 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: var(--primary); transition: all 0.3s; }

/* --- Hero --- */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding-top: var(--nav-height);
  position: relative; overflow: hidden;
  background: transparent;
}
.hero-content { text-align: center; position: relative; z-index: 2; }
.hero .container { position: relative; z-index: 2; }
.hero h1 { font-size: 2.2rem; margin-bottom: 16px; }
.hero .subtitle { font-family: var(--font-pixel); font-size: 0.7rem; color: var(--secondary); margin-bottom: 16px; }
.hero .bio { max-width: 600px; margin: 0 auto 32px; color: var(--text-muted); font-size: 1rem; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-decorations { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.pixel-dot {
  position: absolute; width: 6px; height: 6px;
  animation: float 4s ease-in-out infinite;
}

/* --- BMO Character (CSS Pixel Art) --- */
.bmo-character { display: inline-block; position: relative; animation: float 3s ease-in-out infinite; margin-bottom: 24px; }
.bmo-body { width: 100px; height: 120px; background: var(--accent2); border-radius: 8px; position: relative; box-shadow: 0 0 30px rgba(139,190,147,0.3); }
.bmo-screen { position: absolute; top: 12px; left: 12px; right: 12px; height: 60px; background: #1a2a1a; border-radius: 4px; }
.bmo-eye { position: absolute; width: 8px; height: 8px; background: var(--primary); top: 20px; }
.bmo-eye.left { left: 22px; }
.bmo-eye.right { right: 22px; }
.bmo-mouth { position: absolute; width: 16px; height: 4px; background: var(--primary); bottom: 14px; left: 50%; transform: translateX(-50%); border-radius: 0 0 4px 4px; }
.bmo-btn-d { position: absolute; bottom: 20px; right: 14px; width: 14px; height: 14px; background: var(--secondary); border-radius: 50%; }
.bmo-btn-cross { position: absolute; bottom: 16px; left: 14px; }
.bmo-btn-cross::before, .bmo-btn-cross::after { content: ''; position: absolute; background: var(--accent); }
.bmo-btn-cross::before { width: 16px; height: 4px; top: 6px; left: 0; }
.bmo-btn-cross::after { width: 4px; height: 16px; top: 0; left: 6px; }
.bmo-arm { position: absolute; width: 8px; height: 30px; background: var(--accent2); bottom: 10px; border-radius: 4px; }
.bmo-arm.left { left: -12px; }
.bmo-arm.right { right: -12px; }
.bmo-leg { position: absolute; width: 12px; height: 16px; background: var(--accent2); bottom: -16px; border-radius: 0 0 4px 4px; }
.bmo-leg.left { left: 20px; }
.bmo-leg.right { right: 20px; }

/* --- Carousel --- */
.carousel { position: relative; overflow: hidden; }
.carousel-track { display: flex; gap: 24px; transition: transform 0.5s ease; }
.carousel-track .card { min-width: calc(33.333% - 16px); flex-shrink: 0; }
.carousel-controls { display: flex; justify-content: center; gap: 16px; margin-top: 24px; }
.carousel-btn {
  font-family: var(--font-pixel); font-size: 1rem;
  background: var(--bg-medium); color: var(--primary);
  border: 1px solid var(--primary); width: 44px; height: 44px;
  cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; justify-content: center;
}
.carousel-btn:hover { background: var(--primary); color: var(--bg-dark); }

/* --- Marquee --- */
.marquee { overflow: hidden; padding: 20px 0; }
.marquee-track { display: flex; animation: marquee 20s linear infinite; width: max-content; }
.marquee-content {
  display: flex; align-items: center; gap: 48px;
  font-family: var(--font-pixel); font-size: 1.2rem; color: var(--text-muted);
  white-space: nowrap; padding: 0 24px;
}
.marquee-content span { color: var(--primary); }

/* --- Stats --- */
.stat-box {
  text-align: center; padding: 32px;
  background: var(--bg-medium); border: 1px solid rgba(0,212,170,0.1);
}
.stat-number { font-family: var(--font-pixel); font-size: 1.8rem; color: var(--primary); display: block; margin-bottom: 8px; }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* --- Tech Badges --- */
.tech-grid { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.tech-badge {
  font-family: var(--font-pixel); font-size: 0.5rem;
  padding: 8px 14px; background: var(--bg-medium);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text); transition: all 0.2s; cursor: default;
}
.tech-badge:hover { transform: translateY(-3px); border-color: var(--primary); color: var(--primary); box-shadow: 0 4px 12px var(--glow-cyan); }
.tech-category { font-family: var(--font-pixel); font-size: 0.6rem; color: var(--accent); margin-bottom: 12px; margin-top: 24px; }

/* --- Availability Badge --- */
.badge-available {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-pixel); font-size: 0.6rem;
  padding: 8px 16px; border: 1px solid var(--accent2);
  color: var(--accent2); animation: pulse-glow 2s infinite;
  --primary: var(--accent2);
}
.badge-available::before { content: ''; width: 8px; height: 8px; background: var(--accent2); border-radius: 50%; animation: blink 1.5s infinite; }

/* --- CTA Section --- */
.cta-section { text-align: center; padding: 80px 0; background: linear-gradient(180deg, transparent, rgba(0,212,170,0.03), transparent); }

/* --- Footer --- */
.footer { background: var(--bg-medium); border-top: 2px solid var(--primary); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 32px; }
.footer h4 { font-size: 0.65rem; color: var(--primary); margin-bottom: 16px; }
.footer ul { display: flex; flex-direction: column; gap: 8px; }
.footer a { color: var(--text-muted); font-size: 0.9rem; }
.footer a:hover { color: var(--primary); }
.footer-bottom { text-align: center; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.05); font-size: 0.8rem; color: var(--text-muted); }
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; z-index: 900;
  width: 44px; height: 44px; background: var(--primary); color: var(--bg-dark);
  border: none; cursor: pointer; font-size: 1.2rem;
  display: none; align-items: center; justify-content: center;
  transition: all 0.3s; box-shadow: 0 4px 12px var(--glow-cyan);
}
.back-to-top.visible { display: flex; }
.back-to-top:hover { transform: translateY(-3px); }

/* --- Cursor Trail --- */
#cursor-trail { position: fixed; inset: 0; pointer-events: none; z-index: 9998; }
.trail-dot { position: absolute; width: 4px; height: 4px; background: var(--primary); pointer-events: none; transition: opacity 0.5s; }

/* --- Filter Bar --- */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-btn {
  font-family: var(--font-pixel); font-size: 0.5rem;
  padding: 8px 16px; background: var(--bg-medium);
  border: 1px solid rgba(255,255,255,0.08); color: var(--text-muted);
  cursor: pointer; transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active { border-color: var(--primary); color: var(--primary); background: rgba(0,212,170,0.08); }

/* --- Masonry --- */
.masonry { columns: 3; column-gap: 24px; }
.masonry .card { break-inside: avoid; margin-bottom: 24px; display: inline-block; width: 100%; }

/* --- Modal --- */
.modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.8); backdrop-filter: blur(4px);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.modal.active { display: flex; }
.modal-content {
  background: var(--bg-medium); max-width: 800px; width: 100%;
  max-height: 90vh; overflow-y: auto; padding: 32px; position: relative;
  border: 1px solid var(--primary);
}
.modal-close {
  position: absolute; top: 12px; right: 12px;
  font-family: var(--font-pixel); font-size: 0.8rem;
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; padding: 8px;
}
.modal-close:hover { color: var(--secondary); }

/* --- Timeline --- */
.timeline { position: relative; padding-left: 32px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--primary); }
.timeline-item { position: relative; margin-bottom: 32px; padding-left: 24px; }
.timeline-item::before {
  content: ''; position: absolute; left: -28px; top: 4px;
  width: 12px; height: 12px; background: var(--primary);
  border: 2px solid var(--bg-dark);
}
.timeline-year { font-family: var(--font-pixel); font-size: 0.6rem; color: var(--accent); margin-bottom: 4px; }
.timeline-title { font-family: var(--font-pixel); font-size: 0.7rem; color: var(--text-bright); margin-bottom: 4px; }
.timeline-desc { font-size: 0.9rem; color: var(--text-muted); }

/* --- Forms --- */
.form-group { margin-bottom: 20px; }
.form-group label { font-family: var(--font-pixel); font-size: 0.55rem; color: var(--primary); display: block; margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 12px; background: var(--bg-dark);
  border: 1px solid rgba(255,255,255,0.1); color: var(--text);
  font-family: var(--font-body); font-size: 1rem;
  transition: all 0.3s;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 10px var(--glow-cyan);
}
.form-group textarea { min-height: 120px; resize: vertical; }

/* --- Blog Post --- */
.blog-card-img { width: 100%; height: 180px; background: var(--bg-light); object-fit: cover; margin-bottom: 16px; }
.blog-meta { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; }
.blog-excerpt { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 12px; }
.read-more { font-family: var(--font-pixel); font-size: 0.55rem; color: var(--primary); }
.read-more:hover { color: var(--accent); }

/* --- Progress Bar --- */
.progress-bar { height: 12px; background: var(--bg-dark); border: 1px solid rgba(255,255,255,0.1); overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary); transition: width 1s ease; }

/* --- 404 --- */
.page-404 { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.page-404 h1 { font-size: 5rem; animation: glitch 2s infinite; color: var(--secondary); }

/* --- Responsive --- */
@media (max-width: 768px) {
  h1 { font-size: 1.3rem; }
  .hero h1 { font-size: 1.4rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .masonry { columns: 1; }
  .carousel-track .card { min-width: 85%; }
  .nav-links {
    position: fixed; top: var(--nav-height); right: -100%; width: 70%; height: calc(100vh - var(--nav-height));
    background: var(--bg-medium); flex-direction: column; padding: 32px;
    transition: right 0.3s; border-left: 1px solid var(--primary);
  }
  .nav-links.active { right: 0; }
  .hamburger { display: flex; }
  .stat-box { padding: 20px; }
  .stat-number { font-size: 1.2rem; }
}

/* --- Sparkles / Fireflies --- */
@keyframes sparkle-drift {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-80px) translateX(20px); opacity: 0; }
}
@keyframes sparkle-pulse {
  0%,100% { transform: scale(1); opacity: 0.4; }
  50% { transform: scale(1.8); opacity: 1; }
}
#sparkles { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.sparkle {
  position: absolute; border-radius: 50%;
  background: var(--sparkle-color);
  box-shadow: 0 0 6px var(--sparkle-color), 0 0 12px var(--sparkle-color);
}
.sparkle--drift { animation: sparkle-drift var(--dur, 8s) var(--delay, 0s) ease-in-out infinite; }
.sparkle--pulse { animation: sparkle-pulse var(--dur, 3s) var(--delay, 0s) ease-in-out infinite; }

/* --- Foliage Blobs (decorative) --- */
#foliage { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.foliage-blob {
  position: absolute; border-radius: 40% 60% 50% 40%;
  background: var(--secondary);
  opacity: 0.06;
  filter: blur(40px);
}
[data-theme="dark"] .foliage-blob { opacity: 0.08; }

/* --- Pixel Workers --- */
.px-worker {
  position: absolute; pointer-events: none; z-index: 10;
  image-rendering: pixelated;
}
.px-worker-sprite {
  width: 1px; height: 1px; border-radius: 0;
  transform-origin: top left;
  transform: scale(3);
}

/* Hammerer */
.px-hammerer .px-worker-sprite {
  box-shadow:
    3px 0 #f5c542,4px 0 #f5c542,5px 0 #f5c542,
    2px 1px #f5c542,3px 1px #f5c542,4px 1px #f5c542,5px 1px #f5c542,6px 1px #f5c542,
    3px 2px #ffddaa,4px 2px #ffddaa,5px 2px #ffddaa,
    2px 3px #ffddaa,3px 3px #ffddaa,4px 3px #111,5px 3px #ffddaa,6px 3px #111,
    3px 4px #ffddaa,4px 4px #ffddaa,5px 4px #ffddaa,
    2px 5px #e04070,3px 5px #e04070,4px 5px #e04070,5px 5px #e04070,6px 5px #e04070,
    1px 6px #e04070,2px 6px #e04070,3px 6px #e04070,4px 6px #e04070,5px 6px #e04070,6px 6px #e04070,7px 6px #ffddaa,8px 6px #888,9px 6px #888,
    2px 7px #e04070,3px 7px #e04070,4px 7px #e04070,5px 7px #e04070,6px 7px #e04070,
    2px 8px #ffddaa,3px 8px #e04070,4px 8px #e04070,5px 8px #e04070,6px 8px #ffddaa,
    2px 9px #3366cc,3px 9px #3366cc,4px 9px #3366cc,5px 9px #3366cc,6px 9px #3366cc,
    2px 10px #3366cc,3px 10px #3366cc,4px 10px #3366cc,5px 10px #3366cc,6px 10px #3366cc,
    3px 11px #553322,4px 11px #553322,5px 11px #553322,
    3px 12px #553322,4px 12px #111,5px 12px #553322;
}
.px-hammerer .px-arm {
  position: absolute; left: 21px; top: 15px; width: 1px; height: 1px;
  transform-origin: top left; transform: scale(3);
  animation: hammer 0.6s steps(2) infinite;
  box-shadow: 0 0 #888,1px 0 #888,0 -1px #888,1px -1px #888,0 -2px #888,1px -2px #553322,0 -3px #553322;
}
@keyframes hammer { 0%,100% { transform: scale(3) rotate(-30deg); } 50% { transform: scale(3) rotate(10deg); } }

/* Painter */
.px-painter .px-worker-sprite {
  box-shadow:
    3px 0 #f5c542,4px 0 #f5c542,5px 0 #f5c542,
    2px 1px #f5c542,3px 1px #f5c542,4px 1px #f5c542,5px 1px #f5c542,6px 1px #f5c542,
    3px 2px #aa7744,4px 2px #aa7744,5px 2px #aa7744,
    2px 3px #aa7744,3px 3px #aa7744,4px 3px #111,5px 3px #aa7744,6px 3px #111,
    3px 4px #aa7744,4px 4px #aa7744,5px 4px #aa7744,
    2px 5px #ffffff,3px 5px #ffffff,4px 5px #ffffff,5px 5px #ffffff,6px 5px #ffffff,
    1px 6px #ffffff,2px 6px #ffffff,3px 6px #ffffff,4px 6px #ffffff,5px 6px #ffffff,6px 6px #ffffff,
    2px 7px #ffffff,3px 7px #ffffff,4px 7px #ffffff,5px 7px #ffffff,6px 7px #ffffff,
    2px 8px #aa7744,3px 8px #ffffff,4px 8px #ffffff,5px 8px #ffffff,6px 8px #aa7744,
    2px 9px #228833,3px 9px #228833,4px 9px #228833,5px 9px #228833,6px 9px #228833,
    2px 10px #228833,3px 10px #228833,4px 10px #228833,5px 10px #228833,6px 10px #228833,
    3px 11px #553322,4px 11px #553322,5px 11px #553322,
    3px 12px #553322,4px 12px #111,5px 12px #553322;
}
.px-painter .px-arm {
  position: absolute; left: 0; top: 18px; width: 1px; height: 1px;
  transform-origin: top left; transform: scale(3);
  animation: paint 1s ease-in-out infinite;
  box-shadow: 0 0 #aa7744,1px 0 #aa7744,-1px 0 #00a884,-1px 1px #00a884;
}
@keyframes paint { 0%,100% { transform: scale(3) translateY(0); } 50% { transform: scale(3) translateY(-3px); } }

/* Carrier (walks) */
.px-carrier {
  animation: carrier-walk 8s linear infinite alternate;
}
.px-carrier .px-worker-sprite {
  box-shadow:
    3px 0 #cc3333,4px 0 #cc3333,5px 0 #cc3333,
    2px 1px #cc3333,3px 1px #cc3333,4px 1px #cc3333,5px 1px #cc3333,6px 1px #cc3333,
    3px 2px #ffddaa,4px 2px #ffddaa,5px 2px #ffddaa,
    2px 3px #ffddaa,3px 3px #ffddaa,4px 3px #111,5px 3px #ffddaa,6px 3px #111,
    3px 4px #ffddaa,4px 4px #ffddaa,5px 4px #ffddaa,
    2px 5px #ff8800,3px 5px #ff8800,4px 5px #ff8800,5px 5px #ff8800,6px 5px #ff8800,
    1px 6px #ff8800,2px 6px #ff8800,3px 6px #ff8800,4px 6px #ff8800,5px 6px #ff8800,6px 6px #ff8800,7px 6px #ffddaa,
    2px 7px #ff8800,3px 7px #ff8800,4px 7px #ff8800,5px 7px #ff8800,6px 7px #ff8800,
    2px 8px #ffddaa,3px 8px #ff8800,4px 8px #ff8800,5px 8px #ff8800,6px 8px #ffddaa,
    2px 9px #3366cc,3px 9px #3366cc,4px 9px #3366cc,5px 9px #3366cc,6px 9px #3366cc,
    2px 10px #3366cc,3px 10px #3366cc,4px 10px #3366cc,5px 10px #3366cc,6px 10px #3366cc,
    3px 11px #553322,4px 11px #553322,5px 11px #553322,
    3px 12px #553322,4px 12px #111,5px 12px #553322;
  animation: walk-bob 0.4s steps(2) infinite;
}
.px-carrier .px-block {
  position: absolute; top: -12px; left: 6px; width: 1px; height: 1px;
  transform-origin: top left; transform: scale(3);
  box-shadow: 0 0 #00a884,1px 0 #00a884,2px 0 #00a884,3px 0 #00d4aa,0 1px #00a884,1px 1px #00d4aa,2px 1px #00d4aa,3px 1px #00a884,0 2px #00d4aa,1px 2px #00d4aa,2px 2px #00a884,3px 2px #00a884;
}
@keyframes walk-bob { 0%,100% { transform: scale(3) translateY(0); } 50% { transform: scale(3) translateY(-1px); } }
@keyframes carrier-walk { 0% { transform: translateX(0) scaleX(1); } 49.9% { transform: translateX(120px) scaleX(1); } 50% { transform: translateX(120px) scaleX(-1); } 100% { transform: translateX(0) scaleX(-1); } }

/* Coder (sitting) */
.px-coder .px-worker-sprite {
  box-shadow:
    3px 0 #6c5ce7,4px 0 #6c5ce7,5px 0 #6c5ce7,
    2px 1px #6c5ce7,3px 1px #6c5ce7,4px 1px #6c5ce7,5px 1px #6c5ce7,6px 1px #6c5ce7,
    3px 2px #ffddaa,4px 2px #ffddaa,5px 2px #ffddaa,
    2px 3px #ffddaa,3px 3px #ffddaa,4px 3px #111,5px 3px #ffddaa,6px 3px #111,
    3px 4px #ffddaa,4px 4px #ffddaa,5px 4px #ffddaa,
    2px 5px #333,3px 5px #333,4px 5px #333,5px 5px #333,6px 5px #333,
    1px 6px #333,2px 6px #333,3px 6px #333,4px 6px #333,5px 6px #333,6px 6px #333,7px 6px #ffddaa,
    2px 7px #333,3px 7px #333,4px 7px #333,5px 7px #333,6px 7px #333,
    2px 8px #3366cc,3px 8px #3366cc,4px 8px #3366cc,5px 8px #3366cc,6px 8px #3366cc;
}
.px-coder .px-laptop {
  position: absolute; left: 24px; top: 15px; width: 1px; height: 1px;
  transform-origin: top left; transform: scale(3);
  box-shadow: 0 0 #555,1px 0 #555,2px 0 #555,3px 0 #555,4px 0 #555,0 1px #333,1px 1px #00d4aa,2px 1px #111,3px 1px #00d4aa,4px 1px #333,0 2px #333,1px 2px #111,2px 2px #00d4aa,3px 2px #111,4px 2px #333,0 3px #555,1px 3px #555,2px 3px #555,3px 3px #555,4px 3px #555,5px 3px #555;
  animation: typing-glow 1s steps(2) infinite;
}
@keyframes typing-glow { 0%,100% { opacity: 1; } 50% { opacity: 0.7; } }

/* Climber (on ladder) */
.px-climber {
  animation: climb-move 4s ease-in-out infinite alternate;
}
.px-climber .px-worker-sprite {
  box-shadow:
    3px 0 #f5c542,4px 0 #f5c542,5px 0 #f5c542,
    2px 1px #f5c542,3px 1px #f5c542,4px 1px #f5c542,5px 1px #f5c542,6px 1px #f5c542,
    3px 2px #ffddaa,4px 2px #ffddaa,5px 2px #ffddaa,
    2px 3px #ffddaa,3px 3px #ffddaa,4px 3px #111,5px 3px #ffddaa,6px 3px #111,
    3px 4px #ffddaa,4px 4px #ffddaa,5px 4px #ffddaa,
    1px 5px #ffddaa,2px 5px #ff8800,3px 5px #ff8800,4px 5px #ff8800,5px 5px #ff8800,6px 5px #ff8800,7px 5px #ffddaa,
    2px 6px #ff8800,3px 6px #ff8800,4px 6px #ff8800,5px 6px #ff8800,6px 6px #ff8800,
    2px 7px #ff8800,3px 7px #ff8800,4px 7px #ff8800,5px 7px #ff8800,6px 7px #ff8800,
    2px 8px #3366cc,3px 8px #3366cc,5px 8px #3366cc,6px 8px #3366cc,
    2px 9px #553322,3px 9px #553322,5px 9px #553322,6px 9px #553322;
}
.px-climber .px-ladder {
  position: absolute; left: 9px; top: -15px; width: 1px; height: 1px;
  transform-origin: top left; transform: scale(3);
  box-shadow:
    0 0 #aa7744,4px 0 #aa7744,0 2px #aa7744,1px 2px #aa7744,2px 2px #aa7744,3px 2px #aa7744,4px 2px #aa7744,
    0 4px #aa7744,4px 4px #aa7744,0 6px #aa7744,1px 6px #aa7744,2px 6px #aa7744,3px 6px #aa7744,4px 6px #aa7744,
    0 8px #aa7744,4px 8px #aa7744,0 10px #aa7744,1px 10px #aa7744,2px 10px #aa7744,3px 10px #aa7744,4px 10px #aa7744,
    0 12px #aa7744,4px 12px #aa7744,0 14px #aa7744,1px 14px #aa7744,2px 14px #aa7744,3px 14px #aa7744,4px 14px #aa7744,
    0 16px #aa7744,4px 16px #aa7744;
}
@keyframes climb-move { 0% { transform: translateY(0); } 100% { transform: translateY(-30px); } }

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .marquee-track { animation: none; }
  .fade-in { opacity: 1; transform: none; }
}

/* --- Theme Toggle --- */
.theme-toggle {
  background: none; border: 1px solid var(--primary); color: var(--primary);
  font-size: 1.1rem; cursor: pointer; padding: 4px 8px; margin-left: 12px;
  transition: all 0.2s; line-height: 1;
}
.theme-toggle:hover { background: var(--primary); color: var(--bg-dark); }

/* --- Chatbot Bubble --- */
.chatbot-bubble {
  position: fixed; bottom: 24px; left: 24px; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--secondary); color: #fff;
  border: none; cursor: pointer; font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px var(--glow-pink);
  animation: bounce 2s ease-in-out infinite;
  transition: transform 0.2s;
}
.chatbot-bubble:hover { transform: scale(1.1); }
.chatbot-popup {
  position: fixed; bottom: 90px; left: 24px; z-index: 901;
  background: var(--bg-medium); border: 1px solid var(--primary);
  padding: 24px; width: 320px; max-width: calc(100vw - 48px);
  display: none; box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.chatbot-popup.active { display: block; }
.chatbot-popup h4 { font-size: 0.6rem; color: var(--primary); margin-bottom: 12px; }
.chatbot-popup p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 12px; }
.chatbot-popup .btn { font-size: 0.5rem; padding: 10px 16px; }

/* --- AI Badge --- */
.ai-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-pixel); font-size: 0.45rem;
  padding: 4px 10px; border: 1px solid var(--accent3);
  color: var(--accent3); background: rgba(108,92,231,0.08);
}

/* --- Hero Photo --- */
.hero-split { display: flex; align-items: center; gap: 48px; position: relative; z-index: 2; width: 100%; }
.hero-left { flex: 1; }
.hero-right { flex-shrink: 0; }
.hero-portrait {
  width: 280px; height: 340px; object-fit: cover;
  border: 3px solid var(--primary);
  box-shadow: 8px 8px 0 var(--accent2), 0 0 30px var(--glow-cyan);
}
@media (max-width: 768px) {
  .hero-split { flex-direction: column-reverse; text-align: center; }
  .hero-portrait { width: 200px; height: 240px; }
  .hero-buttons { justify-content: center; }
}