/* ==========================================================================
   Tokens
   ========================================================================== */
:root {
  --bg:        #0B0E14;
  --bg-alt:    #0F131C;
  --surface:   #131826;
  --surface-2: #171E2E;
  --border:    #232B3D;
  --text:      #E6E9EF;
  --text-dim:  #9AA4B7;
  --text-faint:#5C6579;

  --amber:     #F2B33D;
  --amber-dim: #8A6A28;
  --cyan:      #4FD1C5;
  --green:     #52D17C;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius: 8px;
  --max-w: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
.mono { font-family: var(--font-mono); }
.dim { color: var(--text-faint); }

/* subtle scanline / grid texture over whole page */
.scanline {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 50% at 50% 0%, black 40%, transparent 90%);
}

::selection { background: var(--amber); color: #14181f; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ==========================================================================
   Nav
   ========================================================================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,14,20,0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.02em;
}
.cursor {
  color: var(--amber);
  animation: blink 1.1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 14px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  transition: color .15s ease;
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 7px 14px;
  border: 1px solid var(--amber-dim);
  border-radius: 6px;
  color: var(--amber) !important;
}
.nav-cta:hover { background: rgba(242,179,61,0.08); }

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  width: 22px; height: 2px; background: var(--text);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 96px 24px 72px;
  position: relative;
  z-index: 2;
}
.status-bar {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  margin-bottom: 28px;
  font-size: 13px;
  color: var(--text-dim);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(82,209,124,0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(82,209,124,0.55); }
  70% { box-shadow: 0 0 0 8px rgba(82,209,124,0); }
  100% { box-shadow: 0 0 0 0 rgba(82,209,124,0); }
}

.quick-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.quick-link {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 13px;
  transition: border-color .15s ease, color .15s ease;
}
.quick-link:hover { border-color: var(--cyan); color: var(--text); }

.skill-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.skill-group-head h4 { margin: 0; }
.prof-bar { display: flex; gap: 3px; }
.prof-bar i {
  width: 14px; height: 5px;
  border-radius: 2px;
  background: var(--border);
  display: inline-block;
  font-style: normal;
}
.prof-bar i.on { background: var(--amber); }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 76px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0 0 6px;
  line-height: 1.02;
}
.hero-role {
  font-family: var(--font-mono);
  color: var(--amber);
  font-size: clamp(15px, 2vw, 19px);
  margin: 0 0 28px;
}
.hero-desc {
  max-width: 640px;
  color: var(--text-dim);
  font-size: 17px;
  margin: 0 0 36px;
}
.hero-actions { display: flex; gap: 14px; margin-bottom: 56px; flex-wrap: wrap; }

.btn {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 12px 22px;
  border-radius: 6px;
  border: 1px solid transparent;
  display: inline-block;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--amber); color: #14181f; font-weight: 600; }
.btn-primary:hover { background: #ffc158; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--text-faint); }

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.metric {
  background: var(--surface);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.metric-num {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
}
.metric-num .unit {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-faint);
  margin-left: 3px;
  font-weight: 400;
}
.metric-label { font-size: 12.5px; color: var(--text-dim); }

/* ==========================================================================
   Sections (generic)
   ========================================================================== */
.section { position: relative; z-index: 2; padding: 88px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.02em;
  margin: 0 0 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.section-sub { color: var(--text-dim); margin: 0 0 44px; max-width: 560px; }

/* ==========================================================================
   Impact highlights
   ========================================================================== */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.impact-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .15s ease, transform .15s ease;
}
.impact-card:hover { border-color: var(--amber-dim); transform: translateY(-2px); }
.impact-metric {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.01em;
}
.impact-desc { color: var(--text-dim); font-size: 14px; margin: 0; }

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}
.about-text { color: var(--text-dim); font-size: 16px; max-width: 560px; }
.about-facts { display: flex; flex-direction: column; gap: 16px; }
.fact {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.fact-k { color: var(--text-faint); font-family: var(--font-mono); }
.fact-v { color: var(--text); text-align: right; }

/* ==========================================================================
   Deploy log (experience)
   ========================================================================== */
.deploylog {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.deploylog::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(var(--border), var(--border) 90%, transparent);
}
.entry {
  position: relative;
  padding: 28px 0 28px 40px;
  border-bottom: 1px solid var(--border);
}
.entry:last-child { border-bottom: none; }
.entry::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 34px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--text-faint);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1px var(--border);
}
.entry[data-status="active"]::before {
  background: var(--green);
  box-shadow: 0 0 0 1px var(--border), 0 0 10px rgba(82,209,124,0.5);
}
.entry-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; flex-wrap: wrap; }
.pill {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 4px;
  font-weight: 600;
}
.pill-active { background: rgba(82,209,124,0.12); color: var(--green); }
.pill-done { background: rgba(154,164,183,0.1); color: var(--text-faint); }
.ts { font-size: 12.5px; color: var(--text-faint); }

.entry-role {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: -0.01em;
}
.entry-co { color: var(--text-dim); font-weight: 400; font-size: 16px; }
.entry-sub { color: var(--amber); font-size: 14px; margin: 0 0 14px; font-family: var(--font-mono); }
.entry-points { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.entry-points li {
  color: var(--text-dim);
  font-size: 14.5px;
  padding-left: 18px;
  position: relative;
}
.entry-points li::before {
  content: '›';
  position: absolute; left: 0; top: 0;
  color: var(--cyan);
}

.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 5px;
}

/* ==========================================================================
   Projects
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color .15s ease, transform .15s ease;
}
.project-card:hover { border-color: var(--amber-dim); transform: translateY(-2px); }
.project-card-wide { grid-column: span 1; }
@media (min-width: 900px) {
  .projects-grid { grid-template-columns: repeat(3, 1fr); }
  .project-card-wide { grid-column: span 3; }
}
.project-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  gap: 8px;
  flex-wrap: wrap;
}
.project-head h3 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0;
}
.project-tag { font-size: 11px; color: var(--cyan); }
.project-card p { color: var(--text-dim); font-size: 14px; margin: 0 0 16px; }
.project-core {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 8px 12px;
  margin-bottom: 14px !important;
}
.core-label { color: var(--amber); font-weight: 600; }
.project-points { display: flex; flex-direction: column; gap: 8px; margin: 0 0 16px; }
.project-points li {
  color: var(--text-dim);
  font-size: 14px;
  padding-left: 18px;
  position: relative;
}
.project-points li::before {
  content: '›';
  position: absolute; left: 0; top: 0;
  color: var(--cyan);
}

/* ==========================================================================
   GitHub activity
   ========================================================================== */
.inline-link { color: var(--cyan); border-bottom: 1px solid rgba(79,209,197,0.35); }
.inline-link:hover { border-bottom-color: var(--cyan); }

.gh-cal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 44px;
}
.gh-cal-header {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 18px;
}
.gh-cal-scroll { overflow-x: auto; padding-bottom: 4px; }
.gh-cal-inner { min-width: 780px; }
.gh-cal-months {
  position: relative;
  height: 16px;
  margin-left: 32px;
  margin-bottom: 6px;
}
.gh-cal-month-label {
  position: absolute;
  top: 0;
  font-size: 12px;
  color: var(--text-faint);
  white-space: nowrap;
}
.gh-cal-body { display: flex; gap: 6px; }
.gh-cal-days {
  display: grid;
  grid-template-rows: repeat(7, 11px);
  gap: 4px;
  width: 26px;
  font-size: 10px;
  color: var(--text-faint);
  line-height: 11px;
}
.gh-cal-grid {
  display: grid;
  grid-template-rows: repeat(7, 11px);
  grid-auto-flow: column;
  grid-auto-columns: 11px;
  gap: 4px;
}
.gh-cell-day { width: 11px; height: 11px; border-radius: 2px; background: #161b22; }
.gh-cell-day[data-level="0"] { background: #161b22; box-shadow: inset 0 0 0 1px #30363d; }
.gh-cell-day[data-level="1"] { background: #0e4429; }
.gh-cell-day[data-level="2"] { background: #006d32; }
.gh-cell-day[data-level="3"] { background: #26a641; }
.gh-cell-day[data-level="4"] { background: #39d353; }

.gh-cal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--text-faint);
}
.gh-cal-legend { display: flex; align-items: center; gap: 4px; }
.gh-cell {
  width: 10px; height: 10px;
  border-radius: 2px;
  display: inline-block;
}
.gh-cell[data-level="0"] { background: #161b22; box-shadow: inset 0 0 0 1px #30363d; }
.gh-cell[data-level="1"] { background: #0e4429; }
.gh-cell[data-level="2"] { background: #006d32; }
.gh-cell[data-level="3"] { background: #26a641; }
.gh-cell[data-level="4"] { background: #39d353; }

.gh-repos-label {
  color: var(--text-faint);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  margin: 0 0 16px;
  font-weight: 500;
}
.repos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.repo-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .15s ease, transform .15s ease;
}
.repo-card:hover { border-color: var(--amber-dim); transform: translateY(-2px); }
.repo-loading { color: var(--text-faint); align-items: center; justify-content: center; min-height: 90px; }
.repo-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.repo-desc { color: var(--text-dim); font-size: 13.5px; flex-grow: 1; }
.repo-meta { display: flex; align-items: center; gap: 16px; font-size: 12.5px; color: var(--text-faint); }
.repo-meta span { display: flex; align-items: center; gap: 5px; }
.lang-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); display: inline-block; }
.repo-fallback {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
  padding: 24px;
}

/* ==========================================================================
   Skills
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 28px;
}
.skill-group h4 {
  color: var(--text-faint);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  margin: 0 0 12px;
  font-weight: 500;
}

/* ==========================================================================
   Education / Awards
   ========================================================================== */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.edu-title { font-family: var(--font-display); font-size: 20px; margin: 0 0 6px; }
.edu-sub { color: var(--text-dim); font-size: 14px; margin: 0; }
.award-list { display: flex; flex-direction: column; gap: 10px; }
.award-list li {
  color: var(--text-dim);
  font-size: 14.5px;
  padding-left: 18px;
  position: relative;
}
.award-list li::before {
  content: '★';
  position: absolute; left: 0; top: 0;
  color: var(--amber);
  font-size: 11px;
  top: 3px;
}
.award-cards { display: flex; flex-direction: column; gap: 12px; }
.award-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  transition: border-color .15s ease, transform .15s ease;
}
.award-card:hover { border-color: var(--amber-dim); transform: translateY(-2px); }
.award-card-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  display: block;
  margin-bottom: 6px;
}
.award-card h4 {
  font-family: var(--font-display);
  font-size: 15.5px;
  margin: 0 0 4px;
  color: var(--text);
}
.award-card p { color: var(--text-faint); font-size: 13px; margin: 0; }

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-section { text-align: left; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 8px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color .15s ease, transform .15s ease;
}
.contact-card:hover { border-color: var(--cyan); transform: translateY(-2px); }
.contact-label { font-size: 12px; color: var(--text-faint); }
.contact-value { font-size: 15px; color: var(--text); font-weight: 500; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  text-align: center;
  padding: 32px 24px;
  border-top: 1px solid var(--border);
  color: var(--text-faint);
  font-size: 12.5px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-burger { display: flex; }
  .hero-metrics { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .edu-grid { grid-template-columns: 1fr; gap: 32px; }
}