/* Import terminal fonts */
@import url('https://cdnjs.cloudflare.com/ajax/libs/firacode/6.2.0/fira_code.min.css');
@import url('https://fonts.cdnfonts.com/css/vt323');

/* =========================
   Theme tokens (premium)
   ========================= */
:root {
  --terminal-green: #00ff00;
  --terminal-dark: #0c0c0c;
  --terminal-shadow: rgba(0, 255, 0, 0.12);
  --terminal-font: 'VT323', 'Fira Code', monospace;
  --terminal-link: #00ffff;
  --terminal-highlight: #39ff14;

  --glass: rgba(12,12,12,0.92);
  --glass-soft: rgba(12,12,12,0.72);
  --glass-strong: rgba(12,12,12,0.88);

  --border-soft: 1px solid rgba(0,255,0,0.06);
  --border: 1px solid rgba(0,255,0,0.10);

  --shadow-soft: 0 10px 40px rgba(0,255,0,0.04);
  --shadow: 0 16px 60px rgba(0,255,0,0.06);

  --radius-sm: 10px;
  --radius: 12px;

  --text-dim: rgba(0,255,0,0.72);
  --text-muted: rgba(0,255,0,0.55);

  --focus: rgba(57,255,20,0.55);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--terminal-dark);
  color: var(--terminal-green);
  font-family: var(--terminal-font);
  padding-top: 90px; /* space for sticky header */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.55;
}

/* Accessible focus */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 10px;
}

/* Links */
a { color: var(--terminal-link); }
a:hover { color: var(--terminal-highlight); }

/* Utility */
.muted { color: var(--text-muted); }
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Skip link */
.skip-link{
  position: absolute;
  left: 12px;
  top: 10px;
  transform: translateY(-140%);
  background: rgba(0,0,0,0.85);
  color: var(--terminal-green);
  border: var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  z-index: 100000;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
}
.skip-link:focus,
.skip-link:focus-visible{
  transform: translateY(0);
}

/* Matrix background canvas */
#matrix-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: -2;
  opacity: 0.10;
  filter: blur(0.2px);
}

/* Global container style */
.container {
  padding: 30px 6%;
  background-color: var(--glass-soft);
  border: var(--border-soft);
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  margin: 24px auto;
  max-width: 1200px;
  border-radius: var(--radius);
}

/* Sticky header/nav */
#main-header {
  width: 100%;
  position: fixed;
  top: 0; left: 0;
  z-index: 9999;
  background: linear-gradient(0deg, rgba(0,0,0,0.70), rgba(0,0,0,0.40));
  border-bottom: var(--border-soft);
  backdrop-filter: blur(8px);
}

.nav-inner {
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 6%;
  max-width: 1400px;
  margin: 0 auto;
}

.brand { display:flex; align-items:center; gap:12px; }
.brand-text .name { font-weight:700; color:var(--terminal-green); font-size:18px; letter-spacing: 0.2px; }
.brand-text .role { font-size:12px; color:rgba(57,255,20,0.62); margin-top:2px; }

.logo {
  width:56px;
  filter: drop-shadow(0 0 10px rgba(0,255,0,0.08));
  border-radius: 10px;
}

/* Nav links */
.nav-links a {
  color:var(--terminal-green);
  text-decoration:none;
  margin-left:18px;
  font-size:15px;
  transition: all .18s ease;
}
.nav-links a:hover {
  color:var(--terminal-highlight);
  text-shadow:0 0 10px rgba(57,255,20,0.08);
}

/* Terminal Container */
.terminal-container {
  width: 90%;
  max-width: 1100px;
  background-color: rgba(12,12,12,0.86);
  border: var(--border-soft);
  box-shadow: var(--shadow-soft);
  margin: 18px auto;
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
}

/* Terminal header */
.terminal-header {
  background: linear-gradient(90deg, rgba(0,255,0,0.09), rgba(0,255,0,0.02));
  padding: 12px 18px;
  font-size: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.terminal-header .controls { display:flex; gap:10px; align-items:center; }
.terminal-header .control { width:12px; height:12px; border-radius:50%; border: 1px solid rgba(0,0,0,0.3); }
.terminal-header .control.close { background: #ff5f56; }
.terminal-header .control.minimize { background:#ffbd2e; }
.terminal-header .control.maximize { background:#27c93f; }
.terminal-title { color: var(--terminal-green); font-size:16px; }

/* Terminal content */
.terminal-content { padding: 18px; color: var(--terminal-green); font-size:15px; }
.terminal-content h3 { font-size:16px; margin-bottom:8px; color: var(--terminal-green); }
.terminal-content p, .terminal-content ul { color: rgba(0,255,0,0.9); }
.terminal-content ul { padding-left: 18px; margin-top: 8px; }
.terminal-content pre {
  background: rgba(0,0,0,0.62);
  border: var(--border-soft);
  padding:12px;
  border-radius:10px;
  overflow:auto;
}

/* Hero */
.hero { margin-top: 18px; padding: 40px 0; }
.hero-inner { display:flex; align-items:center; gap:28px; justify-content:space-between; flex-wrap:wrap; }
.hero-left { flex:1 1 520px; }
.hero-right { flex:0 0 260px; display:flex; justify-content:center; }
.hero-avatar {
  width:220px;
  border-radius: 14px;
  border: var(--border-soft);
  box-shadow: var(--shadow-soft);
}

/* Hero text */
.glitch-text {
  font-size: 54px;
  color: var(--terminal-green);
  display:inline-block;
  margin-bottom: 8px;
  letter-spacing: 0.6px;
}
.glitch-text span { color:var(--terminal-highlight); }

.hero-sub { margin-top:8px; font-size:18px; color:rgba(0,255,0,0.86); }

.hero-meta {
  margin-top: 10px;
  color: var(--text-dim);
  font-size: 15px;
}

.hero-ctas { margin-top:18px; display:flex; gap:12px; align-items:center; flex-wrap:wrap; }

.hero-social{
  margin-top: 14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

/* Badges */
.hero-badges{
  margin-top: 12px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(0,255,0,0.14);
  background: rgba(0,0,0,0.45);
  color: rgba(0,255,0,0.9);
  font-size: 14px;
  box-shadow: 0 10px 30px rgba(0,255,0,0.03);
}
.badge.dim{
  color: rgba(0,255,0,0.72);
  border-color: rgba(0,255,0,0.10);
  background: rgba(0,0,0,0.35);
}

/* Buttons */
.button {
  background: rgba(0,0,0,0.62);
  border: 1px solid rgba(0,255,0,0.14);
  padding: 12px 18px;
  border-radius: 10px;
  color: var(--terminal-green);
  text-decoration:none;
  display:inline-block;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
  font-size:14px;
}
.button:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 50px rgba(0,255,0,0.05), 0 0 10px rgba(57,255,20,0.05);
  border-color: rgba(57,255,20,0.22);
  color: var(--terminal-highlight);
}
.button.outline { background: transparent; border: 1px solid rgba(57,255,20,0.18); }
.button.resume { font-weight: 700; }
.button.small { padding: 8px 10px; font-size: 13px; border-radius: 9px; }

/* About */
.about-section { padding: 30px 0; }
.about-row { display:flex; gap:30px; align-items:flex-start; flex-wrap:wrap; }
.about-col-1 { flex: 0 0 300px; }
.about-col-1 img { width:100%; border-radius: 14px; border: var(--border-soft); box-shadow: var(--shadow-soft); }
.about-col-2 { flex:1 1 520px; }

.sub-title { font-size: 38px; color: var(--terminal-green); margin-bottom: 12px; }
.about-paragraph { color: rgba(0,255,0,0.9); margin-bottom: 10px; }
.about-paragraph.compact { color: rgba(0,255,0,0.82); }

/* Tabs (now buttons) */
.tab-titles { display:flex; gap:12px; margin-top: 14px; flex-wrap: wrap; }

.tab-links {
  cursor:pointer;
  color: rgba(0,255,0,0.82);
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(0,255,0,0.10);
  padding: 10px 12px;
  border-radius: 10px;
  font-family: var(--terminal-font);
  font-size: 16px;
  transition: transform .18s ease, border-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.tab-links:hover{
  transform: translateY(-2px);
  border-color: rgba(57,255,20,0.22);
  color: var(--terminal-highlight);
  box-shadow: 0 14px 40px rgba(0,255,0,0.03);
}
.tab-links.active-link {
  color: var(--terminal-highlight);
  border-color: rgba(57,255,20,0.28);
  box-shadow: 0 14px 40px rgba(0,255,0,0.04);
}

.tab-contents {
  display:none;
  margin-top: 14px;
  padding: 14px;
  border-radius: 12px;
  background: rgba(0,0,0,0.30);
  border: 1px solid rgba(0,255,0,0.06);
}
.tab-contents.active-tab { display:block; }
.tab-contents ul { padding-left: 18px; }

/* Section headings */
.section-title {
  font-size: 34px;
  color: var(--terminal-green);
  margin-bottom: 6px;
  display:inline-block;
}
.section-sub {
  color: var(--text-muted);
  margin-bottom: 18px;
  font-size: 16px;
}
.section-sub.small{
  margin-bottom: 0;
  font-size: 14px;
  color: rgba(0,255,0,0.5);
}
.section-kicker{
  margin-top: 10px;
  margin-bottom: 8px;
  font-size: 18px;
  letter-spacing: 0.4px;
  color: rgba(0,255,0,0.92);
}

/* Divider */
.divider{
  height: 1px;
  width: 100%;
  margin: 18px 0;
  background: linear-gradient(90deg, rgba(0,255,0,0.04), rgba(0,255,0,0.18), rgba(0,255,0,0.04));
  border-radius: 999px;
}

/* Projects */
.projects-section { padding: 30px 0; text-align:left; }

.projects-grid {
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 16px;
}

.project-card {
  background: rgba(0,0,0,0.36);
  border-radius: 14px;
  overflow:hidden;
  border: 1px solid rgba(0,255,0,0.06);
  display:flex;
  flex-direction:column;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  box-shadow: 0 10px 36px rgba(0,255,0,0.02);
}
.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0,255,0,0.05);
  border-color: rgba(57,255,20,0.18);
}
.project-card.featured{
  border-color: rgba(57,255,20,0.16);
  background: rgba(0,0,0,0.42);
}

.project-img { width:100%; height: 170px; object-fit:cover; display:block; }

.project-body { padding: 14px; color: rgba(0,255,0,0.95); display:flex; flex-direction: column; gap: 8px; }
.project-body h3 { margin: 0; color: var(--terminal-highlight); font-size: 20px; }
.project-body p { color: rgba(0,255,0,0.82); font-size: 15px; }

.project-tags { margin-top: 2px; display:flex; gap: 8px; flex-wrap:wrap; }
.project-tags span {
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 10px;
  background: rgba(0,255,0,0.03);
  border: 1px solid rgba(0,255,0,0.04);
  color: rgba(0,255,0,0.82);
}

.project-actions { display:flex; gap: 10px; margin-top: 6px; align-items:center; flex-wrap: wrap; }

/* Projects toolbar */
.projects-toolbar{
  margin-top: 6px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.projects-controls{
  display:flex;
  gap: 10px;
  align-items:center;
  flex-wrap: wrap;
}

/* GH username input (moved from inline styles) */
#gh-username{
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(0,0,0,0.60);
  color: var(--terminal-green);
  border: 1px solid rgba(0,255,0,0.10);
  font-family: var(--terminal-font);
  font-size: 15px;
  min-width: 220px;
}

/* Skeleton loading cards */
.skeleton-card{
  border-radius: 14px;
  border: 1px solid rgba(0,255,0,0.06);
  background: rgba(0,0,0,0.30);
  overflow:hidden;
  box-shadow: 0 10px 30px rgba(0,255,0,0.02);
}
.skeleton-img{
  height: 170px;
  background: linear-gradient(90deg, rgba(0,255,0,0.02), rgba(0,255,0,0.08), rgba(0,255,0,0.02));
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}
.skeleton-lines{
  padding: 14px;
  display:flex;
  flex-direction: column;
  gap: 10px;
}
.skeleton-lines > div{
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(0,255,0,0.02), rgba(0,255,0,0.08), rgba(0,255,0,0.02));
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}
.skeleton-lines > div:nth-child(1){ width: 70%; height: 14px; }
.skeleton-lines > div:nth-child(2){ width: 92%; }
.skeleton-lines > div:nth-child(3){ width: 58%; }

@keyframes shimmer{
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Projects note */
.projects-note { margin-top: 12px; color: rgba(0,255,0,0.5); font-size: 14px; }

/* Skills section */
.skills-section { padding: 30px 0; }
.skills-grid { display:grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 12px; }
.skill { margin-bottom: 10px; }
.skill-title { font-size: 16px; margin-bottom: 6px; color: var(--terminal-green); }
.skill-bar { background: rgba(0,0,0,0.3); height: 16px; border-radius: 999px; overflow:hidden; border: 1px solid rgba(0,255,0,0.04); }
.skill-level { height:100%; width:0%; background: linear-gradient(90deg, rgba(57,255,20,0.18), rgba(0,255,0,0.28)); border-radius:999px; transition: width 1.2s ease; }

/* Contact & form */
.contact-section { padding: 30px 0; }
.contact-form { max-width: 900px; margin: 0 auto; }
.form-row { margin-bottom: 14px; }
.terminal-prompt { display:block; color: var(--terminal-green); margin-bottom: 6px; font-size: 15px; }

input[type="text"], input[type="email"], textarea {
  display:block; width:100%;
  padding: 14px;
  background: rgba(0,0,0,0.60);
  color: var(--terminal-green);
  border: 1px solid rgba(0,255,0,0.10);
  font-family: var(--terminal-font);
  font-size: 16px;
  border-radius: 12px;
}
textarea { min-height: 140px; resize: vertical; }

input[type="submit"] {
  display:block; width:100%;
  padding: 14px;
  margin-top: 8px;
  background: linear-gradient(180deg, rgba(0,0,0,0.62), rgba(0,0,0,0.74));
  color: var(--terminal-green);
  border: 1px solid rgba(0,255,0,0.14);
  cursor:pointer;
  font-size: 18px;
  border-radius: 12px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
input[type="submit"]:hover {
  transform: translateY(-2px);
  background: var(--terminal-green);
  color: var(--terminal-dark);
  box-shadow: 0 16px 60px rgba(0,255,0,0.05);
}

/* Footer */
.site-footer {
  margin-top: 16px;
  padding: 18px 0;
  background: transparent;
  color: rgba(0,255,0,0.6);
  border-top: 1px solid rgba(0,255,0,0.03);
}
.footer-inner { display:flex; align-items:center; justify-content:space-between; gap: 12px; flex-wrap: wrap; }

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  #matrix-bg { display:none; }
}

/* Responsive */
@media (max-width: 1000px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-inner { padding: 10px 4%; }
  .nav-links { display:none; } /* keep nav minimal for mobile */
  .hero-inner { flex-direction: column-reverse; gap: 18px; }
  .projects-grid { grid-template-columns: 1fr; }
  .container { padding: 18px 4%; margin: 14px 8px; }
  body { padding-top: 120px; }
  .glitch-text { font-size: 44px; }
  #gh-username { min-width: 180px; width: 100%; }
}