/* ============================================
   VIRAJ PAREKH — DEVELOPER PORTFOLIO
   Dark theme, scroll animations, 3D
   ============================================ */

:root {
  --bg: #0b0b10;
  --bg-card: #111118;
  --bg-elevated: #16161f;
  --border: #1e1e2e;
  --text: #a0a0b8;
  --text-bright: #e8e8f0;
  --text-dim: #555566;
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.2);
  --green: #22c55e;
  --green-glow: rgba(34, 197, 94, 0.15);
  --cyan: #06b6d4;
  --purple: #a855f7;
  --pink: #ec4899;
  --kw: #c678dd;
  --str: #98c379;
  --key: #61afef;
  --var: #e5c07b;
  --radius: 12px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg);
}
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
}

a { color: var(--accent); text-decoration: none; transition: 0.3s; }
a:hover { color: #fbbf24; }

.accent { color: var(--accent); }

/* Canvas */
#bg-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%; z-index: 0;
}

/* Cursor glow */
#cursor-glow {
  position: fixed; width: 500px; height: 500px;
  border-radius: 50%; pointer-events: none; z-index: 9999;
  background: radial-gradient(circle, rgba(245,158,11,0.03) 0%, transparent 70%);
  transform: translate(-50%, -50%); transition: opacity 0.3s;
}

/* Scroll progress */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--pink), var(--purple));
  z-index: 10001; width: 0%;
}

/* ====== NAV ====== */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10000;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 3rem;
  background: rgba(11, 11, 16, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.1rem; font-weight: 700;
  color: var(--text-bright);
}

.nav-links { display: flex; gap: 2rem; }
.nav-links a {
  color: var(--text-dim); font-size: 0.85rem; font-weight: 500;
  transition: 0.3s; position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.nav-cta {
  background: var(--accent); color: #000; font-weight: 600;
  padding: 0.5rem 1.2rem; border-radius: 6px; font-size: 0.85rem;
  transition: 0.3s;
}
.nav-cta:hover { background: #fbbf24; color: #000; transform: translateY(-1px); }

/* ====== HERO ====== */
#hero {
  position: relative; z-index: 1;
  min-height: 100vh;
  display: grid; grid-template-columns: 1.1fr 0.9fr;
  align-items: center; gap: 4rem;
  padding: 8rem 5rem 5rem;
  max-width: 1400px; margin: 0 auto;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(34, 197, 94, 0.1); border: 1px solid rgba(34, 197, 94, 0.3);
  color: var(--green); font-size: 0.8rem; font-weight: 500;
  padding: 0.4rem 1rem; border-radius: 20px;
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 8px; height: 8px; background: var(--green);
  border-radius: 50%; animation: pulse-dot 2s infinite;
  box-shadow: 0 0 8px var(--green);
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-name {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800; color: var(--text-bright);
  line-height: 1.2; margin-bottom: 1.2rem;
}
.hero-role {
  font-weight: 400; color: var(--text);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
}

.hero-sub {
  font-size: 1rem; color: var(--text-dim);
  max-width: 520px; margin-bottom: 1.5rem; line-height: 1.7;
}

.hero-terminal {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem; margin-bottom: 2rem;
  color: var(--text-dim);
}
.terminal-prompt { color: var(--accent); font-weight: 700; margin-right: 0.5rem; }
.terminal-typed { color: var(--green); }
.terminal-cursor {
  color: var(--accent); animation: blink 1s step-end infinite;
  font-weight: 300;
}
@keyframes blink { 50% { opacity: 0; } }

/* Buttons */
.btn {
  display: inline-block; padding: 0.75rem 1.8rem;
  border-radius: 8px; font-weight: 600; font-size: 0.9rem;
  transition: all 0.3s; cursor: pointer;
}
.btn-primary {
  background: var(--accent); color: #000;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  background: #fbbf24; color: #000;
  transform: translateY(-2px); box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-outline {
  border: 1px solid var(--border); color: var(--text-bright);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent); color: var(--accent);
  transform: translateY(-2px);
}
.btn-large { padding: 1rem 2.5rem; font-size: 1rem; }
.hero-actions { display: flex; gap: 1rem; }

/* Hero code card */
.hero-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 40px var(--accent-glow);
  transform: perspective(800px) rotateY(-5deg) rotateX(2deg);
  transition: transform 0.5s;
}
.hero-card:hover { transform: perspective(800px) rotateY(0deg) rotateX(0deg); }

.card-header {
  display: flex; align-items: center; gap: 0.4rem;
  padding: 0.75rem 1rem; background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }
.card-filename {
  margin-left: 0.5rem; font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; color: var(--text-dim);
}

.card-code {
  padding: 1.5rem; font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; line-height: 1.9; overflow-x: auto;
}
.card-code .kw { color: var(--kw); }
.card-code .str { color: var(--str); }
.card-code .key { color: var(--key); }
.card-code .var { color: var(--var); }

/* ====== STATS BAR ====== */
#stats {
  position: relative; z-index: 1;
  background: var(--bg-card); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr);
  padding: 3rem 2rem;
}
.stat-item { text-align: center; }
.stat-number {
  font-size: 2.8rem; font-weight: 900;
  color: var(--accent);
  text-shadow: 0 0 20px var(--accent-glow);
}
.stat-plus { font-size: 2rem; font-weight: 900; color: var(--accent); }
.stat-label {
  display: block; font-size: 0.75rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1.5px; margin-top: 0.3rem;
}

/* ====== CONTENT SECTIONS ====== */
.content-section {
  position: relative; z-index: 1;
  padding: 6rem 0;
}
.section-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 3rem;
}

.section-heading {
  font-size: 1.8rem; font-weight: 700; color: var(--text-bright);
  margin-bottom: 3rem; display: flex; align-items: center; gap: 0.8rem;
  opacity: 0; transform: translateY(20px);
}
.heading-number {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent); font-size: 1.2rem; font-weight: 500;
}
.section-heading::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
  margin-left: 1rem;
}

/* ====== ABOUT ====== */
.about-content {
  display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
  align-items: start;
}
.about-text p {
  margin-bottom: 1rem; font-size: 0.95rem; line-height: 1.8;
  opacity: 0; transform: translateY(15px);
}
.about-terminal {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  opacity: 0; transform: translateX(30px);
}
.terminal-content {
  padding: 1.2rem; font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; min-height: 200px;
  color: var(--text);
}
.terminal-content .t-prompt { color: var(--accent); font-weight: 700; }
.terminal-content .t-cmd { color: var(--text-bright); }
.terminal-content .t-output { color: var(--green); }
.terminal-content .t-dim { color: var(--text-dim); }
.terminal-content .t-line {
  margin-bottom: 0.4rem; opacity: 0; transform: translateX(-10px);
}

/* ====== SKILLS ====== */
.skills-terminal {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  max-width: 750px;
  opacity: 0; transform: translateY(30px);
}
.skills-terminal .terminal-content {
  min-height: 300px;
}
.install-line {
  display: flex; align-items: center; gap: 0.6rem;
  margin-bottom: 0.3rem; opacity: 0; transform: translateX(-15px);
}
.install-check { color: var(--green); font-weight: 700; }
.install-name { color: var(--accent); font-weight: 500; }
.install-ver { color: var(--text-dim); }
.install-bar {
  height: 3px; background: var(--border); border-radius: 2px;
  margin: 1rem 0; overflow: hidden;
}
.install-bar-fill {
  height: 100%; width: 0%; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--green));
  transition: width 0.3s;
}
.install-summary { color: var(--green); margin-top: 0.8rem; opacity: 0; }

/* ====== TIMELINE ====== */
.timeline-container { position: relative; }

.timeline-bar {
  position: absolute; left: 20px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-fill {
  width: 100%; height: 0%; background: var(--accent);
  transition: height 0.1s;
}

.timeline-items { padding-left: 60px; }

.tl-item {
  position: relative; margin-bottom: 3rem;
  opacity: 0; transform: translateY(30px);
}

.tl-marker {
  position: absolute; left: -52px; top: 4px;
}
.tl-dot {
  display: block; width: 18px; height: 18px;
  background: var(--bg); border: 2px solid var(--accent);
  border-radius: 50%; box-shadow: 0 0 12px var(--accent-glow);
  position: relative;
}
.tl-dot::after {
  content: ''; position: absolute;
  top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 6px; height: 6px; background: var(--accent);
  border-radius: 50%;
}

.tl-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem 2rem;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}
.tl-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.08);
  transform: translateX(8px);
}

.tl-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; color: var(--accent); margin-bottom: 0.3rem;
}
.tl-company {
  font-size: 1.2rem; font-weight: 700; color: var(--text-bright);
  margin-bottom: 0.2rem;
}
.tl-role {
  font-size: 0.85rem; color: var(--purple); font-weight: 500;
  margin-right: 0.8rem;
}
.tl-loc {
  font-size: 0.75rem; color: var(--text-dim);
  background: var(--bg-elevated); padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.tl-bullets {
  list-style: none; margin-top: 1rem; padding: 0;
}
.tl-bullets li {
  position: relative; padding-left: 1.2rem;
  margin-bottom: 0.5rem; font-size: 0.85rem; color: var(--text);
  opacity: 0; transform: translateX(-10px);
}
.tl-bullets li::before {
  content: '>'; position: absolute; left: 0;
  color: var(--accent); font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
}

/* ====== EDUCATION ====== */
.edu-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.edu-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem;
  transition: all 0.3s;
  opacity: 0; transform: translateY(30px);
}
.edu-card:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.08);
  transform: translateY(-4px);
}

.edu-icon {
  color: var(--accent); margin-bottom: 1rem;
  width: 48px; height: 48px;
  background: rgba(245, 158, 11, 0.08);
  border-radius: 10px; display: flex;
  align-items: center; justify-content: center;
}
.edu-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; color: var(--accent);
  display: block; margin-bottom: 0.5rem;
}
.edu-title {
  font-size: 1rem; font-weight: 700; color: var(--text-bright);
  margin-bottom: 0.3rem; line-height: 1.4;
}
.edu-school {
  font-size: 0.8rem; color: var(--text-dim); margin-bottom: 0.6rem;
}
.edu-badge {
  display: inline-block; font-size: 0.7rem; font-weight: 600;
  padding: 0.2rem 0.6rem; border-radius: 4px;
  text-transform: uppercase; letter-spacing: 1px;
}
.edu-badge.current {
  background: rgba(34, 197, 94, 0.1); color: var(--green);
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.edu-gpa {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; color: var(--green); font-weight: 500;
}

/* ====== CONTACT ====== */
.contact-inner { text-align: center; }
.contact-text {
  font-size: 1.05rem; color: var(--text);
  max-width: 550px; margin: 0 auto 2.5rem; line-height: 1.8;
  opacity: 0; transform: translateY(15px);
}
.contact-links {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem; max-width: 700px; margin: 0 auto 2.5rem;
}
.contact-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  display: flex; flex-direction: column; align-items: center;
  transition: all 0.3s; opacity: 0; transform: translateY(20px);
}
.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.08);
}
.contact-icon {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem; font-weight: 700; color: var(--accent);
  margin-bottom: 0.5rem;
}
.contact-label {
  font-size: 0.7rem; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 1.5px;
  margin-bottom: 0.3rem;
}
.contact-value {
  font-size: 0.8rem; color: var(--text-bright); font-weight: 500;
}

/* ====== FOOTER ====== */
footer {
  position: relative; z-index: 1;
  text-align: center; padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem; color: var(--text-dim);
}
.footer-sub { font-size: 0.75rem; margin-top: 0.3rem; }

/* ====== RESPONSIVE ====== */
@media (max-width: 900px) {
  #hero { grid-template-columns: 1fr; padding: 7rem 2rem 3rem; }
  .hero-right { display: none; }
  #nav { padding: 0.75rem 1.5rem; }
  .nav-links { display: none; }
  .about-content { grid-template-columns: 1fr; }
  .edu-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .contact-links { grid-template-columns: 1fr; }
  .section-inner { padding: 0 1.5rem; }
}