@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

/* Tema Retro Arcade Anni 80 */
:root {
  --bg: #000000;
  --bg-alt: #050505;
  --text: #e0e0e0;
  --muted: #888888;
  --primary: #ff00ff; /* Magenta */
  --primary-700: #cc00cc;
  --accent: #00ffff; /* Ciano */
  --accent-alt: #ffff00; /* Giallo */
  --danger: #ff0000;
  --card: #0a0a0a;
  --border: #333333;
  --glow: 0 0 10px var(--accent);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }

body {
  font-family: 'VT323', monospace;
  font-size: 22px;
  color: var(--text);
  background-color: var(--bg);
  background-image: 
    linear-gradient(rgba(0, 255, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 0, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
  position: relative;
}

h1, h2, h3, h4, h5, h6, .brand .logo {
  font-family: 'Press Start 2P', cursive;
  text-transform: uppercase;
}

a { color: var(--accent); text-decoration: none; }
a:visited { color: var(--accent); }
a:hover { color: var(--accent-alt); text-shadow: 0 0 8px var(--accent-alt); }
a:focus-visible { outline: 2px dashed var(--accent); outline-offset: 4px; }

/* HUD Header */
.top-nav {
  position: sticky; top: 0; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 24px;
  background: #000;
  border-bottom: 4px solid var(--accent);
  box-shadow: 0 4px 0 rgba(0, 255, 255, 0.3);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo {
  font-size: 16px;
  color: var(--accent-alt);
  text-shadow: 2px 2px 0 var(--primary);
}

.menu { list-style: none; display: flex; gap: 20px; padding: 0; margin: 0; }
.menu a {
  font-family: 'Press Start 2P', cursive;
  font-size: 10px;
  color: var(--text);
  padding: 8px 12px;
  border: 2px solid transparent;
}
.menu a:hover {
  color: var(--bg);
  background-color: var(--accent);
  border-color: var(--accent);
}

/* Menu Toggle */
.menu-toggle { display: none; align-items: center; justify-content: center; gap: 0; padding: 8px; border: 2px solid var(--accent); background: #000; cursor: pointer; flex-direction: column; }
.menu-toggle span { display: block; width: 22px; height: 3px; background: var(--accent); margin: 3px 0; }

/* Hero Section */
.hero {
  padding: 80px 24px;
  position: relative;
  text-align: center;
  border-bottom: 4px dashed var(--border);
}
.hero h1 {
  font-size: 32px;
  color: var(--primary);
  text-shadow: 3px 3px 0 var(--accent);
  line-height: 1.4;
  margin-bottom: 24px;
}
.hero p {
  color: var(--text);
  font-size: 26px;
  max-width: 800px;
  margin: 0 auto 30px;
}

/* Bottoni Arcade */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 20px;
  font-family: 'Press Start 2P', cursive;
  font-size: 12px;
  text-transform: uppercase;
  color: #fff;
  background-color: #000;
  border: 4px solid #fff;
  cursor: pointer;
  box-shadow: 4px 4px 0 #fff;
  transition: all 0.1s;
}
.btn-primary {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 4px 4px 0 var(--accent);
}
.btn-primary:hover, .btn:active {
  background-color: var(--accent);
  color: #000;
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--primary);
}

/* Sezioni */
.section { max-width: 1100px; margin: 0 auto; padding: 60px 24px; }
.section h2 {
  font-size: 24px;
  color: var(--accent-alt);
  text-shadow: 2px 2px 0 var(--danger);
  margin-bottom: 30px;
  text-align: center;
}

/* Cards (Power-ups / Skills) */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.card {
  background: #000;
  border: 4px solid var(--border);
  padding: 20px;
  position: relative;
}
.card::before {
  content: "";
  position: absolute;
  top: -4px; left: -4px; right: -4px; bottom: -4px;
  border: 2px dashed var(--accent);
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card h3 { font-size: 14px; margin-top: 0; color: var(--primary); }
.card p { font-size: 20px; line-height: 1.3; }

/* Portfolio */
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.portfolio-item {
  display: block;
  border: 4px solid var(--border);
  background: #000;
}
.portfolio-item:hover { border-color: var(--accent); }
.portfolio-item .thumb { height: 180px; overflow: hidden; border-bottom: 4px solid var(--border); }
.portfolio-item .thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%) contrast(120%); }
.portfolio-item:hover .thumb img { filter: grayscale(0%); }
.portfolio-item .meta { padding: 16px; }
.portfolio-item .meta strong { font-family: 'Press Start 2P', cursive; font-size: 12px; color: var(--accent-alt); display: block; margin-bottom: 8px; }

/* Form di contatto */
.contact-wrapper { max-width: 700px; margin: 0 auto; }
.contact-form {
  background: #000;
  border: 4px solid var(--primary);
  padding: 30px;
  box-shadow: 8px 8px 0 var(--primary-700);
}
.contact-form label { font-family: 'Press Start 2P', cursive; font-size: 10px; color: var(--accent); display: block; margin-bottom: 8px; }
.contact-form input, .contact-form textarea {
  width: 100%;
  background: #000;
  border: 2px solid var(--border);
  color: var(--text);
  font-family: 'VT323', monospace;
  font-size: 24px;
  padding: 10px;
  margin-bottom: 20px;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--accent-alt);
}

/* Animazioni */
.blink { animation: blinker 1s linear infinite; }
@keyframes blinker { 50% { opacity: 0; } }

/* CRT Effect Overlay */
body::after {
  content: " ";
  display: block;
  position: fixed;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  z-index: 9999;
  background-size: 100% 2px, 3px 100%;
  pointer-events: none;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 40px;
  border-top: 4px solid var(--accent);
  background: #000;
  font-family: 'Press Start 2P', cursive;
  font-size: 10px;
  color: var(--muted);
}
.site-footer p { margin: 0; line-height: 2; }

/* Blocco di codice / Code examples */
pre {
  background: #000;
  border: 2px dashed var(--accent);
  padding: 15px;
  overflow-x: auto;
  max-width: 100%;
  color: var(--accent-alt);
  box-shadow: inset 0 0 10px rgba(0, 255, 255, 0.1);
  margin-bottom: 20px;
}

code {
  font-family: 'VT323', monospace;
  background: #111;
  padding: 2px 6px;
  color: var(--primary);
  border: 1px solid var(--border);
}

pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  border: none;
}

.mobile-nav { display: none; }

/* Responsive */
@media (max-width: 980px) {
  .menu-desktop { display: none !important; }
  .menu-toggle { display: flex; }
  .hero h1 { font-size: 20px; }
  .hero p { font-size: 20px; }
  .section h2 { font-size: 16px; }
  
  .mobile-nav { position: fixed; inset: 0; background: rgba(0,0,0,0.9); display: none; z-index: 1500; }
  .mobile-nav.open { display: block; }
  .mobile-nav__panel {
    position: absolute; right: 0; top: 0; width: 80%; height: 100vh;
    background: #000; border-left: 4px solid var(--accent);
    padding: 60px 20px;
  }
  .mobile-nav .menu-close {
    position: absolute; top: 20px; right: 20px;
    background: #000; color: var(--danger); border: 2px solid var(--danger);
    font-family: 'Press Start 2P', cursive; padding: 10px; cursor: pointer;
  }
  .mobile-nav__menu { list-style: none; padding: 0; margin: 0; }
  .mobile-nav__menu a {
    display: block;
    font-family: 'Press Start 2P', cursive; font-size: 12px;
    color: var(--text); padding: 15px 0; border-bottom: 2px dashed var(--border);
  }
}