:root {
  --green: #00ff9d;
  --green-glow: rgba(0, 255, 157, 0.4);
  --bg: #050505;
  --surface: #0a0e14;
  --border: rgba(0, 255, 157, 0.2);
  --font-mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
  font-family: var(--font-mono); 
  background: var(--bg); 
  color: #ccc; 
  line-height: 1.6;
}

/* Backgrounds */
#matrix-canvas { position: fixed; inset: 0; z-index: -2; opacity: 0.15; }
.scanlines {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  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));
  background-size: 100% 2px, 3px 100%;
}

/* Nav */
.navbar {
  position: fixed; top: 0; width: 100%; padding: 20px 40px;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(5,5,5,0.8); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border); z-index: 1000;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.logo { color: var(--green); font-weight: 700; text-shadow: 0 0 10px var(--green-glow); z-index: 1001; }
.menu-toggle { display: none; font-size: 1.5rem; color: var(--green); cursor: pointer; z-index: 1001; }
.nav-links { display: flex; align-items: center; }
.nav-links a { 
  color: #888; text-decoration: none; margin-left: 20px; font-size: 0.9rem; transition: 0.3s;
}
.nav-links a:hover { color: var(--green); text-shadow: 0 0 10px var(--green); }

.btn-sys {
  background: rgba(0,255,157,0.05); border: 1px solid var(--green);
  color: var(--green) !important; padding: 8px 16px; display: inline-block;
  text-decoration: none; transition: 0.3s; cursor: pointer;
  text-shadow: 0 0 5px var(--green); font-family: var(--font-mono);
}
.btn-sys:hover { background: var(--green); color: #000 !important; box-shadow: 0 0 20px var(--green); text-shadow: none; }

/* Sections */
.section { padding: 120px 5vw 40px; max-width: 1200px; margin: 0 auto; }
.section-title { color: var(--green); margin-bottom: 40px; font-size: 1.5rem; text-shadow: 0 0 10px rgba(0,255,157,0.3); letter-spacing: 2px; }

/* Profile Layout */
.profile-layout { display: flex; gap: 40px; align-items: center; }
.profile-img-container {
  flex: 0 0 300px;
  position: relative;
  border: 1px solid var(--green);
  padding: 10px;
  background: rgba(0, 255, 157, 0.05);
  box-shadow: 0 0 30px rgba(0, 255, 157, 0.1);
}
.profile-img-container img {
  width: 100%; display: block; filter: contrast(1.2) sepia(1) hue-rotate(90deg) saturate(3);
}
.profile-img-container::before {
  content: 'ID: SONU_KUMAR'; position: absolute; top: -10px; left: 10px; background: var(--bg); color: var(--green); font-size: 0.7rem; padding: 0 5px;
}
.profile-img-container::after {
  content: ''; position: absolute; inset: 0; box-shadow: inset 0 0 50px rgba(0,255,157,0.2); pointer-events: none;
}
.img-glitch-overlay {
  position: absolute; inset: 0; background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,255,157,0.1) 3px); pointer-events: none;
}

/* Terminal */
.terminal-window {
  flex: 1;
  background: rgba(10, 14, 20, 0.8); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 6px; overflow: hidden;
  box-shadow: 0 20px 50px rgba(0,0,0,0.8), 0 0 20px rgba(0,255,157,0.05);
}
.terminal-header {
  background: rgba(0,0,0,0.5); padding: 10px 15px; display: flex; align-items: center; border-bottom: 1px solid #222;
}
.terminal-header div { width: 12px; height: 12px; border-radius: 50%; margin-right: 8px; }
.btn-red { background: #ff5f56; }
.btn-yellow { background: #ffbd2e; }
.btn-green { background: #27c93f; }
.terminal-header span { margin-left: 10px; font-size: 0.8rem; color: #666; }
.terminal-body { padding: 30px; color: #fff; font-size: 1rem; line-height: 1.8; min-height: 280px; }
.prompt { color: var(--green); text-shadow: 0 0 5px var(--green-glow); }

/* Skills */
.metrics-container { display: flex; flex-direction: column; gap: 25px; }
.skill-wrap { position: relative; }
.skill-label { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 0.9rem; color: var(--green); text-shadow: 0 0 5px var(--green-glow); }
.skill-bar { height: 10px; background: #111; border: 1px solid #333; overflow: hidden; border-radius: 2px; }
.skill-fill { height: 100%; width: 0; background: var(--green); box-shadow: 0 0 15px var(--green); transition: width 1.5s cubic-bezier(0.2, 0.8, 0.2, 1); }

/* Projects */
.project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.proj-card {
  background: rgba(0, 255, 157, 0.02); border: 1px solid var(--border); padding: 30px;
  transition: 0.4s; position: relative; overflow: hidden; backdrop-filter: blur(5px);
}
.proj-card::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 100%; background: var(--green); transform: scaleY(0); transition: 0.4s; transform-origin: bottom; }
.proj-card:hover::before { transform: scaleY(1); }
.proj-card:hover { background: rgba(0, 255, 157, 0.08); box-shadow: 0 10px 30px rgba(0, 255, 157, 0.15); transform: translateY(-5px); border-color: var(--green); }
.proj-card h3 { color: var(--green); margin-bottom: 15px; font-size: 1.2rem; text-shadow: 0 0 8px var(--green-glow); }
.proj-card p { font-size: 0.95rem; color: #aaa; margin-bottom: 25px; min-height: 50px; }
.proj-card .links { display: flex; gap: 15px; }
.proj-card .btn-sys { font-size: 0.8rem; padding: 8px 12px; }

/* Experience */
.log-entry { margin-bottom: 50px; border-left: 2px solid #222; padding-left: 25px; position: relative; transition: 0.3s; }
.log-entry:hover { border-left-color: var(--green); }
.log-entry::before { content: '>'; position: absolute; left: -12px; top: -5px; color: var(--green); background: var(--bg); padding: 5px 0; font-size: 1.2rem; }
.log-time { color: var(--green); font-size: 0.85rem; margin-bottom: 8px; letter-spacing: 1px; }
.log-entry h3 { color: #fff; margin-bottom: 10px; font-size: 1.3rem; }
.log-entry p { color: #aaa; margin-bottom: 20px; font-size: 1rem; }
.incident-block { background: rgba(255, 95, 86, 0.05); border: 1px solid rgba(255, 95, 86, 0.2); padding: 20px; border-radius: 4px; color: #ff5f56; font-size: 0.95rem; border-left: 3px solid #ff5f56; }
.incident-block strong { color: #ff5f56; letter-spacing: 1px; }

/* Certs */
.cert-list { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.cert-list li { padding: 15px 20px; background: rgba(255,255,255,0.02); border: 1px solid #222; border-radius: 4px; display: flex; align-items: center; gap: 15px; color: #ccc; transition: 0.3s; }
.cert-list li:hover { border-color: var(--green); background: rgba(0,255,157,0.05); color: #fff; }
.cert-list i { color: var(--green); font-size: 1.2rem; }

/* Contact Form */
.form-window { max-width: 800px; margin: 0 auto; }
.cyber-form { display: flex; flex-direction: column; gap: 15px; margin-top: 20px; }
.form-row { display: flex; align-items: center; background: rgba(0,0,0,0.3); border: 1px solid #222; padding: 10px 15px; transition: 0.3s; }
.form-row:focus-within { border-color: var(--green); box-shadow: 0 0 15px rgba(0,255,157,0.1); }
.form-row .prompt { width: 80px; color: #666; font-size: 0.9rem; }
.form-row input, .form-row textarea { flex: 1; background: transparent; border: none; color: #fff; font-family: var(--font-mono); font-size: 1rem; outline: none; }
.form-row textarea { resize: vertical; padding-top: 2px; }

footer { text-align: center; padding: 40px; color: #444; font-size: 0.8rem; border-top: 1px solid #111; margin-top: 50px; }

/* Responsive Design */
@media (max-width: 1024px) {
  .profile-layout { flex-direction: column; }
  .profile-img-container { flex: auto; width: 100%; max-width: 350px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .navbar { padding: 15px 5vw; }
  .menu-toggle { display: block; }
  
  .nav-links { 
    position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
    background: rgba(5,5,5,0.95); flex-direction: column; justify-content: center;
    gap: 25px; transform: translateY(-100%); transition: transform 0.4s ease-in-out;
    z-index: 1000; backdrop-filter: blur(10px);
  }
  .nav-links.active { transform: translateY(0); }
  .nav-links a { margin: 0; font-size: 1.2rem; }
  .nav-links .btn-sys { margin: 0 !important; font-size: 1rem; padding: 10px 20px; }
  
  .section { padding: 100px 5vw 40px; }
  .terminal-body { padding: 20px; font-size: 0.9rem; min-height: 350px; }
  
  .project-grid { grid-template-columns: 1fr; }
  .cert-list { grid-template-columns: 1fr; }
  
  .form-row { flex-direction: column; align-items: flex-start; gap: 10px; }
  .form-row .prompt { width: auto; margin-bottom: 5px; }
  .form-row input, .form-row textarea { width: 100%; }
}

@media (max-width: 480px) {
  .nav-links a { font-size: 0.75rem; }
  .log-entry h3 { font-size: 1.1rem; }
  .section-title { font-size: 1.2rem; }
}