/* ============================================================
   PORTFOLIO — CYBERPUNK TERMINAL THEME
   Design language: spy database / system interface / dark ops
   ============================================================ */

/* --- Google Font import (monospace terminal feel) --- */
@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700&display=swap');

/* --- CSS Variables --- */
:root {
  --bg:           #07070f;
  --bg-panel:     #0d0d1a;
  --bg-panel-alt: #0a0a14;
  --border:       #00ff9f;
  --border-dim:   #00804f;
  --accent-green: #00ff9f;
  --accent-cyan:  #00e5ff;
  --accent-magenta: #ff00ff;
  --accent-red:   #ff3366;
  --text:         #c8ffd4;
  --text-dim:     #5a7a65;
  --text-label:   #00ff9f;
  --glow-green:   0 0 8px #00ff9f, 0 0 20px #00ff9f44;
  --glow-cyan:    0 0 8px #00e5ff, 0 0 20px #00e5ff44;
  --glow-magenta: 0 0 8px #ff00ff, 0 0 20px #ff00ff44;
  --font-mono:    'Share Tech Mono', 'Courier New', monospace;
  --font-display: 'Orbitron', 'Share Tech Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  min-height: 100vh;
  /* Subtle scanline overlay — the heart of the terminal look */
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 255, 159, 0.015) 2px,
      rgba(0, 255, 159, 0.015) 4px
    );
}

/* --- Scrollbar styling --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border); }

/* ============================================================
   NAVIGATION
   ============================================================ */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 0 20px rgba(0, 255, 159, 0.15);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  gap: 1rem;
}

/* System "OS window" bar on the left */
.nav-brand {
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent-green);
  text-shadow: var(--glow-green);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.nav-brand .nav-prefix {
  color: var(--text-dim);
  font-size: 0.65rem;
}

/* Blinking cursor after brand name */
.nav-brand::after {
  content: '_';
  animation: blink 1.1s step-end infinite;
  color: var(--accent-green);
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 0.3rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid transparent;
  text-transform: uppercase;
  transition: color 0.2s, border-color 0.2s, text-shadow 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  text-shadow: var(--glow-cyan);
}

/* Status indicator — always "ONLINE" in the nav */
.nav-status {
  font-size: 0.65rem;
  color: var(--text-dim);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.nav-status .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: var(--glow-green);
  animation: pulse 2s ease-in-out infinite;
}

/* ============================================================
   PAGE WRAPPER & LAYOUT
   ============================================================ */

.page-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* Page title row — looks like a terminal command prompt */
.page-title {
  margin-bottom: 2.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-dim);
}

.page-title .prompt {
  color: var(--text-dim);
  font-size: 0.7rem;
  margin-bottom: 0.25rem;
  letter-spacing: 0.05em;
}

.page-title h1 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent-green);
  text-shadow: var(--glow-green);
  text-transform: uppercase;
}

.page-title .subtitle {
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  margin-top: 0.3rem;
}

/* ============================================================
   PANELS — the core UI building block
   ============================================================ */

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-dim);
  margin-bottom: 1.5rem;
  position: relative;
  transition: border-color 0.3s;
}

.panel:hover {
  border-color: var(--border);
  box-shadow: 0 0 16px rgba(0, 255, 159, 0.08);
}

/* Panel header bar — looks like a window title bar */
.panel-header {
  background: rgba(0, 255, 159, 0.06);
  border-bottom: 1px solid var(--border-dim);
  padding: 0.45rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.panel-header .panel-title {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-green);
  text-shadow: var(--glow-green);
}

.panel-header .panel-id {
  font-size: 0.6rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

/* Corner bracket decorations on panels */
.panel::before,
.panel::after {
  content: '';
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: var(--accent-green);
  border-style: solid;
}
.panel::before {
  top: -1px;
  left: -1px;
  border-width: 2px 0 0 2px;
}
.panel::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 2px 2px 0;
}

.panel-body {
  padding: 1.25rem 1rem;
}

/* ============================================================
   DATA ROWS — key/value pairs styled like database records
   ============================================================ */

.data-row {
  display: flex;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid rgba(0, 255, 159, 0.07);
  align-items: baseline;
  flex-wrap: wrap;
}

.data-row:last-child {
  border-bottom: none;
}

.data-label {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  min-width: 130px;
  flex-shrink: 0;
}

.data-value {
  color: var(--text);
  font-size: 0.85rem;
}

.data-value a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: text-shadow 0.2s;
}

.data-value a:hover {
  text-shadow: var(--glow-cyan);
}

/* ============================================================
   SKILL BARS
   ============================================================ */

.skill-item {
  margin-bottom: 0.9rem;
}

.skill-meta {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.3rem;
  font-size: 0.72rem;
  color: var(--text-dim);
}

.skill-meta .skill-name {
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.skill-bar-track {
  height: 4px;
  background: rgba(0, 255, 159, 0.1);
  border: 1px solid var(--border-dim);
  position: relative;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green), var(--accent-cyan));
  box-shadow: var(--glow-green);
  /* Width set inline per skill */
  transition: width 1s ease;
}

/* ============================================================
   PROJECTS GRID
   ============================================================ */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.project-card {
  background: var(--bg-panel-alt);
  border: 1px solid var(--border-dim);
  padding: 1.1rem;
  position: relative;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.project-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.1);
}

.project-card .card-tag {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-magenta);
  text-shadow: var(--glow-magenta);
  margin-bottom: 0.5rem;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 0.6rem;
}

.project-card p {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 0.9rem;
}

.project-card .tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
}

.tech-tag {
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border-dim);
  color: var(--text-dim);
  text-transform: uppercase;
}

.project-card .card-links {
  display: flex;
  gap: 0.75rem;
}

.card-link {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--accent-green);
  text-decoration: none;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-dim);
  padding-bottom: 1px;
  transition: color 0.2s, border-color 0.2s, text-shadow 0.2s;
}

.card-link:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  text-shadow: var(--glow-cyan);
}

/* ============================================================
   TIMELINE (for experience/education on resume)
   ============================================================ */

.timeline {
  position: relative;
  padding-left: 1.5rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--border), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 1.5rem;
  padding-left: 0.75rem;
}

.timeline-item::before {
  content: '▶';
  position: absolute;
  left: -1.4rem;
  top: 0.05rem;
  font-size: 0.55rem;
  color: var(--accent-green);
  text-shadow: var(--glow-green);
}

.timeline-item .tl-date {
  font-size: 0.62rem;
  color: var(--accent-magenta);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.timeline-item .tl-title {
  font-family: var(--font-display);
  font-size: 0.82rem;
  color: var(--accent-cyan);
  letter-spacing: 0.1em;
  text-shadow: var(--glow-cyan);
  margin-bottom: 0.15rem;
}

.timeline-item .tl-org {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.timeline-item .tl-desc {
  font-size: 0.78rem;
  color: var(--text);
  line-height: 1.6;
}

/* ============================================================
   HERO / PROFILE BLOCK (home page)
   ============================================================ */

.hero {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  flex-wrap: wrap;
}

.hero-avatar {
  width: 80px;
  height: 80px;
  border: 2px solid var(--border);
  box-shadow: var(--glow-green);
  background: var(--bg-panel-alt);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--accent-green);
  text-shadow: var(--glow-green);
}

.hero-info {
  flex: 1;
  min-width: 200px;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3.5vw, 1.6rem);
  color: var(--accent-green);
  text-shadow: var(--glow-green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.hero-role {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero-bio {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.75;
  max-width: 560px;
}

/* ============================================================
   BADGES / STATUS TAGS
   ============================================================ */

.badge {
  display: inline-block;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border: 1px solid;
  margin-right: 0.4rem;
  margin-bottom: 0.4rem;
}

.badge-green  { border-color: var(--accent-green);   color: var(--accent-green);   text-shadow: var(--glow-green); }
.badge-cyan   { border-color: var(--accent-cyan);    color: var(--accent-cyan);    text-shadow: var(--glow-cyan); }
.badge-magenta{ border-color: var(--accent-magenta); color: var(--accent-magenta); text-shadow: var(--glow-magenta); }

/* ============================================================
   FOOTER
   ============================================================ */

footer {
  border-top: 1px solid var(--border-dim);
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.62rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

footer .footer-left { color: var(--text-dim); }
footer .footer-right { color: var(--accent-green); text-shadow: var(--glow-green); }

/* ============================================================
   ANIMATIONS
   ============================================================ */

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

@keyframes pulse {
  0%, 100% { opacity: 1;   box-shadow: var(--glow-green); }
  50%       { opacity: 0.4; box-shadow: none; }
}

@keyframes typewriter {
  from { width: 0; }
  to   { width: 100%; }
}

/* Typewriter text — add class .typewriter and set overflow:hidden */
.typewriter {
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--accent-green);
  animation: typewriter 2s steps(40) forwards, blink 0.8s step-end infinite;
  display: inline-block;
  max-width: 100%;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

.text-green   { color: var(--accent-green);   text-shadow: var(--glow-green); }
.text-cyan    { color: var(--accent-cyan);    text-shadow: var(--glow-cyan); }
.text-magenta { color: var(--accent-magenta); text-shadow: var(--glow-magenta); }
.text-dim     { color: var(--text-dim); }
.text-small   { font-size: 0.72rem; }
.mt-1         { margin-top: 0.75rem; }
.mt-2         { margin-top: 1.5rem; }

/* Horizontal rule styled as a terminal separator */
.hr-terminal {
  border: none;
  border-top: 1px solid var(--border-dim);
  margin: 1.25rem 0;
  position: relative;
}

.hr-terminal::after {
  content: '◆';
  position: absolute;
  left: 50%;
  top: -0.5rem;
  transform: translateX(-50%);
  font-size: 0.5rem;
  color: var(--text-dim);
  background: var(--bg-panel);
  padding: 0 0.4rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 600px) {
  nav {
    padding: 0 1rem;
    height: auto;
    padding-top: 0.6rem;
    padding-bottom: 0.6rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .nav-status { display: none; }

  .nav-links a {
    padding: 0.25rem 0.5rem;
    font-size: 0.7rem;
  }

  .page-wrapper {
    padding: 1.25rem 1rem 3rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
}