/* === CYBERPUNK PORTFOLIO STYLESHEET === */

/* --- Variables --- */
:root {
  --cyan: #00f3ff;
  --cyan-dim: rgba(0, 243, 255, 0.15);
  --cyan-mid: rgba(0, 243, 255, 0.4);
  --gold: #ffd700;
  --green: #00ff9d;
  --pink: #d500f9;
  --red: #ff3333;
  --bg: #020204;
  --bg-card: rgba(5, 10, 20, 0.85);
  --bg-card2: rgba(0, 243, 255, 0.04);
  --text: #e0e6ed;
  --text-muted: #8b9bb4;
  --border: rgba(0, 243, 255, 0.25);
  --border-bright: rgba(0, 243, 255, 0.6);
  --nav-height: 60px;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-head: 'Orbitron', 'Rajdhani', sans-serif;
  --font-body: 'Rajdhani', 'Segoe UI', sans-serif;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Scanlines overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.08) 3px,
    rgba(0, 0, 0, 0.08) 4px
  );
  pointer-events: none;
  z-index: 9000;
  animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
  from { background-position: 0 0; }
  to   { background-position: 0 100%; }
}

/* Vignette */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 55%, rgba(0,0,0,0.6) 100%);
  pointer-events: none;
  z-index: 8999;
}

a { color: var(--cyan); text-decoration: none; transition: color .2s; }
a:hover { color: #fff; }

img { display: block; max-width: 100%; }

h1, h2, h3, h4 { font-family: var(--font-head); letter-spacing: 0.08em; }

/* --- Particle Canvas --- */
#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* --- Navigation --- */
#cyber-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(2, 2, 4, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 2rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.nav-brand {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--cyan);
  text-shadow: 0 0 10px var(--cyan);
  letter-spacing: 0.15em;
  flex-shrink: 0;
}

.nav-brand span { color: var(--gold); }

.nav-links {
  display: flex;
  list-style: none;
  gap: 0;
  margin-left: auto;
}

.nav-links li a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0 1.1rem;
  height: var(--nav-height);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color .2s, background .2s;
  position: relative;
}

.nav-links li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  transform: scaleX(0);
  transition: transform .25s;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--cyan);
  background: rgba(0, 243, 255, 0.05);
}

.nav-links li a:hover::after,
.nav-links li a.active::after {
  transform: scaleX(1);
}

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  animation: blink 1.4s infinite;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.2; } }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--cyan);
  padding: 0.4rem 0.7rem;
  cursor: pointer;
  margin-left: auto;
  font-size: 1.2rem;
  border-radius: 3px;
}

/* --- Main Content --- */
main {
  padding-top: var(--nav-height);
}

section {
  min-height: 100vh;
  padding: 5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

/* Section headers */
.section-header {
  margin-bottom: 3rem;
  position: relative;
}

.section-header h2 {
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  color: var(--cyan);
  text-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  position: relative;
  display: inline-block;
}

.section-header h2::before {
  content: attr(data-glitch);
  position: absolute;
  inset: 0;
  color: var(--pink);
  clip-path: polygon(0 30%, 100% 30%, 100% 50%, 0 50%);
  transform: translateX(-2px);
  opacity: 0;
  animation: glitch-flash 5s infinite;
}

@keyframes glitch-flash {
  0%, 90%, 100% { opacity: 0; }
  92%, 94%, 96% { opacity: 0.6; transform: translateX(-3px); }
  93%, 95%, 97% { opacity: 0.6; transform: translateX(3px); }
}

.section-header .line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  margin-top: 0.75rem;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.active {
  opacity: 1;
  transform: none;
}

/* --- Hero Section --- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + 2rem);
  max-width: 1100px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}

.hero-terminal {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 243, 255, 0.1), 0 0 80px rgba(0, 0, 0, 0.5);
}

.terminal-titlebar {
  background: rgba(0, 243, 255, 0.07);
  border-bottom: 1px solid var(--border);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tb-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.tb-dot.red   { background: #ff5f57; }
.tb-dot.gold  { background: #ffbd2e; }
.tb-dot.green { background: #28c840; }

.tb-title {
  margin-left: auto;
  margin-right: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.terminal-body {
  display: flex;
  gap: 0;
  min-height: 420px;
}

.terminal-avatar-col {
  padding: 2.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid var(--border);
  background: var(--bg-card2);
  flex-shrink: 0;
}

.avatar-wrap {
  position: relative;
  width: 160px;
  height: 160px;
}

.avatar-wrap img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 2px solid var(--cyan);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.4), 0 0 60px rgba(0, 243, 255, 0.1);
  object-fit: cover;
  animation: avatar-pulse 4s ease-in-out infinite;
}

@keyframes avatar-pulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0, 243, 255, 0.4), 0 0 60px rgba(0, 243, 255, 0.1); }
  50%       { box-shadow: 0 0 30px rgba(0, 243, 255, 0.7), 0 0 80px rgba(0, 243, 255, 0.2); }
}

.terminal-content {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}

.prompt-line {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.prompt-line .prompt-sym { color: var(--green); }
.prompt-line .prompt-cmd { color: var(--cyan); }

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: #fff;
  text-shadow: 0 0 30px rgba(0, 243, 255, 0.3);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.hero-name .highlight { color: var(--cyan); }

.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(0.85rem, 2vw, 1.05rem);
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.typewriter-caret {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--cyan);
  animation: blink 0.9s step-end infinite;
  vertical-align: text-bottom;
  margin-left: 2px;
}

.hero-bio {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .25s;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 8px 100%, 0 calc(100% - 8px));
  text-decoration: none;
}

.btn-primary {
  background: var(--cyan-dim);
  border: 1px solid var(--cyan);
  color: var(--cyan);
}
.btn-primary:hover {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Social icons row */
.hero-socials {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.hero-socials a {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 1rem;
  transition: all .2s;
}

.hero-socials a:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

/* --- Projects Section --- */
#projects { padding-top: 5rem; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
  transition: border-color .3s, box-shadow .3s;
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0, 243, 255, 0.08) 100%);
  opacity: 0;
  transition: opacity .3s;
}

.project-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 0 30px rgba(0, 243, 255, 0.12);
}

.project-card:hover::before { opacity: 1; }

/* Radar scan on hover */
.project-card::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 243, 255, 0.06) 50%, transparent 100%);
  transition: top .6s ease;
  pointer-events: none;
}

.project-card:hover::after { top: 100%; }

.project-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
  filter: brightness(0.7) saturate(0.8);
  transition: filter .3s;
}

.project-card:hover .project-img {
  filter: brightness(0.9) saturate(1.1);
}

.project-info {
  padding: 1.25rem;
}

.project-info h3 {
  font-size: 1rem;
  color: var(--cyan);
  margin-bottom: 0.5rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-info p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid rgba(0, 243, 255, 0.3);
  border-radius: 2px;
  color: var(--cyan-mid);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.tag::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0,243,255,0.15), transparent);
  transform: translateX(-100%);
  transition: transform .4s;
}

.tag:hover::before { transform: translateX(100%); }

.project-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap .2s;
}

.project-link:hover { gap: 0.6rem; }

/* HUD corner brackets */
.hud-corners {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hud-corners::before,
.hud-corners::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--cyan);
  border-style: solid;
  opacity: 0;
  transition: opacity .3s;
}

.hud-corners::before {
  top: 6px;
  left: 6px;
  border-width: 1px 0 0 1px;
}

.hud-corners::after {
  bottom: 6px;
  right: 6px;
  border-width: 0 1px 1px 0;
}

.project-card:hover .hud-corners::before,
.project-card:hover .hud-corners::after {
  opacity: 1;
}

/* --- Skills Section --- */
#skills { padding-top: 5rem; }

/* --- Education, Certifications, Speaking Sections --- */
#education      { padding-top: 5rem; }
#certifications { padding-top: 5rem; }
#speaking       { padding-top: 5rem; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: border-color .3s;
}

.skill-group:hover {
  border-color: var(--border-bright);
}

/* Radar scan for skill group */
.skill-group::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 243, 255, 0.05) 50%, transparent 100%);
  transition: top .5s ease;
  pointer-events: none;
}

.skill-group:hover::after { top: 100%; }

.skill-group-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-group-title::before {
  content: '//';
  color: var(--text-muted);
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.3rem 0.7rem;
  background: rgba(0, 243, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  letter-spacing: 0.06em;
  transition: all .2s;
  cursor: default;
  position: relative;
  overflow: hidden;
}

.chip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0,243,255,0.12), transparent);
  transform: translateX(-100%);
  transition: transform .35s;
}

.chip:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 243, 255, 0.1);
}

.chip:hover::before { transform: translateX(100%); }

/* --- Contact Section --- */
#contact { padding-top: 5rem; padding-bottom: 5rem; }

.contact-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2.5rem;
  max-width: 700px;
}

.contact-intro {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  transition: all .25s;
}

.contact-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 243, 255, 0.07);
  box-shadow: 0 0 12px rgba(0, 243, 255, 0.1);
}

.contact-link i {
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
  color: var(--cyan);
}

/* --- Footer --- */
footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

footer .cyan { color: var(--cyan); }

/* --- Cursor Spark --- */
.cursor-spark {
  position: fixed;
  pointer-events: none;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 6px var(--cyan);
  z-index: 9999;
  mix-blend-mode: screen;
  animation: cursor-sparkle 0.8s ease-out forwards;
}

@keyframes cursor-sparkle {
  0%   { opacity: 1; transform: scale(1) translate(0, 0); }
  100% { opacity: 0; transform: scale(0) translate(var(--tx), var(--ty)); }
}

/* --- Hacker scramble --- */
.scramble-text { display: inline; }

/* --- Responsive --- */
@media (max-width: 900px) {
  .terminal-body { flex-direction: column; }
  .terminal-avatar-col { border-right: none; border-bottom: 1px solid var(--border); padding: 2rem; }
}

@media (max-width: 768px) {
  section { padding: 3.5rem 1.25rem; }
  #hero { padding-left: 1.25rem; padding-right: 1.25rem; }

  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(2, 2, 4, 0.97); border-bottom: 1px solid var(--border); padding: 1rem 0; }
  .nav-links.open { display: flex; }
  .nav-links li a { height: auto; padding: 0.85rem 2rem; }
  .nav-links li a::after { display: none; }
  .nav-toggle { display: block; }
  .nav-brand { font-size: 0.95rem; }

  .terminal-content { padding: 1.5rem; }
  .hero-name { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .projects-grid { grid-template-columns: 1fr; }
  .skills-grid   { grid-template-columns: 1fr; }
  .skills-grid [style*="grid-column"] { grid-column: span 1; }
  .contact-links { grid-template-columns: 1fr; }
}

/* --- Quote block --- */
blockquote {
  border-left: 3px solid var(--cyan);
  padding: 0.75rem 1.25rem;
  margin: 2rem 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  background: var(--bg-card2);
  border-radius: 0 4px 4px 0;
}

blockquote cite {
  display: block;
  margin-top: 0.5rem;
  color: var(--gold);
  font-size: 0.8rem;
}