/* ---------- Tokens ---------- */
:root{
  --bg: #101826;
  --panel: #16202F;
  --panel-2: #131C2A;
  --line: #2A3B52;
  --line-soft: #1D2A3D;
  --text: #E8E6DE;
  --text-muted: #8FA1B8;
  --accent: #D98C4A;
  --accent-2: #6FC3D9;
  --font-sans: 'IBM Plex Sans', -apple-system, Segoe UI, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Consolas, monospace;
  --max-w: 760px;
  --sidebar-w: 232px;
}

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

body{
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a{ color: var(--accent-2); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

/* ---------- Terminal flourishes ---------- */
.scanlines{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  opacity: 0.05;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0,0,0,0.6) 0px,
    rgba(0,0,0,0.6) 1px,
    transparent 1px,
    transparent 3px
  );
}

.boot-line{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-2);
  margin: 0 0 18px;
}

.cursor{
  display: inline-block;
  width: 7px;
  background: var(--accent-2);
  margin-left: 3px;
  animation: blink 1s steps(1) infinite;
}

@keyframes blink{
  50%{ opacity: 0; }
}

@media (prefers-reduced-motion: reduce){
  .cursor{ animation: none; }
}

/* ---------- Layout shell ---------- */
.shell{
  position: relative;
  z-index: 3;
  display: flex;
  max-width: 1160px;
  margin: 0 auto;
  min-height: 100vh;
}

.sidebar{
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  padding: 40px 28px;
  border-right: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sidebar-top .name{
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 2px;
}

.sidebar-top .role{
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 28px;
  line-height: 1.5;
}

.nav{
  display: flex;
  flex-direction: column;
}

.nav a{ margin-bottom: 2px; }

.nav a{
  color: var(--text-muted);
  font-size: 14px;
  padding: 7px 0;
  border-left: 2px solid transparent;
  padding-left: 12px;
  margin-left: -13px;
  transition: color .15s, border-color .15s;
}

.nav a:hover{ color: var(--text); text-decoration: none; }
.nav a.active{
  color: var(--text);
  border-left-color: var(--accent);
}

.sidebar-bottom{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

.main{
  flex: 1;
  min-width: 0;
  padding: 64px 48px 120px;
}

.content-col{
  max-width: var(--max-w);
}

/* ---------- Hero ---------- */
.hero h1{
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 0 0 10px;
}

.hero .tagline{
  font-size: 16px;
  color: var(--text-muted);
  margin: 0 0 20px;
  max-width: 62ch;
}

.hero p.mission{
  font-size: 16px;
  margin: 0 0 32px;
  max-width: 68ch;
  color: var(--text);
}

.stat-row{
  display: flex;
  flex-wrap: wrap;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
}

.stat{
  flex: 1 1 25%;
  min-width: 150px;
  padding: 18px 16px;
  border-right: 1px solid var(--line);
}
.stat:last-child{ border-right: none; }

.stat .num{
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}

.stat .label{
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.cta-row{
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.btn-resume{
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  border-radius: 3px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  margin-right: 18px;
  margin-bottom: 10px;
  transition: background .15s, color .15s;
}
.btn-resume svg{ margin-right: 8px; }
.btn-resume:hover{
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
}

.social-row{
  display: flex;
  align-items: center;
  margin-bottom: 10px;
}

.social-row a{
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--panel);
  border: 1px solid var(--line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 10px;
  color: var(--text-muted);
  transition: background .15s, color .15s, border-color .15s;
}
.social-row a:last-child{ margin-right: 0; }
.social-row a:hover{
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: var(--bg);
  text-decoration: none;
}
.social-row svg{ width: 16px; height: 16px; }

/* ---------- Sections ---------- */
section{
  margin-top: 76px;
  scroll-margin-top: 32px;
}

section > h2{
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  text-transform: lowercase;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

section > h2::before{
  content: "$ ";
  color: var(--accent-2);
}

.section-intro{
  font-size: 15px;
  color: var(--text);
  margin: 0 0 28px;
  max-width: 62ch;
  line-height: 1.55;
}

.chapter-break{
  font-size: 14px;
  font-style: italic;
  color: var(--text-muted);
  max-width: 60ch;
  margin: 36px 0 36px 0;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
}

/* ---------- Experience ---------- */
.timeline{
  position: relative;
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.role{
  position: relative;
  margin-bottom: 44px;
}
.role:last-child{ margin-bottom: 0; }

.role::before{
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent-2);
}

.role-head{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 2px;
}

.role-head > div:first-child{
  margin-right: 16px;
  margin-bottom: 4px;
}

.role-title{
  font-size: 16px;
  font-weight: 600;
}

.role-org{
  color: var(--accent-2);
  font-weight: 500;
}

.role-dates{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
  white-space: nowrap;
}

.role-sub{
  font-size: 13px;
  color: var(--text-muted);
  margin: 4px 0 14px;
}

.role ul{
  margin: 0;
  padding-left: 18px;
}

.role li{
  margin-bottom: 10px;
  font-size: 14.5px;
}
.role li:last-child{ margin-bottom: 0; }

.role li b{
  color: var(--text);
  font-weight: 600;
}

.role li .metric{
  font-family: var(--font-mono);
  color: var(--accent);
}

/* ---------- Projects ---------- */
.project-grid{ display: block; }

.project{
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 20px 22px;
  background: var(--panel-2);
  margin-bottom: 16px;
}
.project:last-child{ margin-bottom: 0; }

.project-head{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.project-head .project-name{ margin-right: 12px; }

.project-name{
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.project-tag{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 10px;
}

.project p{
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}

.project .repo-link{
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

/* ---------- Skills ---------- */
.skills-grid{ display: block; }

.skill-row{
  display: flex;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}
.skill-row:last-child{ border-bottom: none; }

.skill-cat{
  width: 190px;
  flex-shrink: 0;
  margin-right: 16px;
  color: var(--text-muted);
  font-size: 13px;
  padding-top: 1px;
}

.skill-vals{ color: var(--text); }

/* ---------- Leadership ---------- */
.leadership-list{
  margin: 0;
  padding: 0;
  list-style: none;
}
.leadership-list li{
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
}
.leadership-list li:last-child{ border-bottom: none; }
.leadership-list b{ color: var(--text); }

/* ---------- Publications / Education ---------- */
.pub{
  font-size: 14px;
  margin-bottom: 14px;
  color: var(--text-muted);
}
.pub:last-child{ margin-bottom: 0; }
.pub i{ color: var(--text); font-style: italic; }

.edu-row{
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 14.5px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  flex-wrap: wrap;
}
.edu-row:last-child{ border-bottom: none; }
.edu-dates{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ---------- Contact / Footer ---------- */
.contact-block{
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 28px 24px;
  background: var(--panel-2);
}
.contact-block p{
  margin: 0 0 18px;
  color: var(--text-muted);
  font-size: 14.5px;
}
.contact-links{
  font-family: var(--font-mono);
  font-size: 13.5px;
}
.contact-links a{
  margin-right: 22px;
  display: inline-block;
}

footer.page-footer{
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ---------- Mobile nav ---------- */
.mobile-topbar{ display: none; }

/* ---------- Responsive ---------- */
@media (max-width: 880px){
  .shell{ flex-direction: column; }
  .sidebar{
    display: none;
  }
  .mobile-topbar{
    display: flex;
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    border-bottom: 1px solid var(--line-soft);
    padding: 16px 20px;
    justify-content: space-between;
    align-items: center;
  }
  .mobile-topbar .name{ font-size: 15px; font-weight: 600; }
  .mobile-topbar nav{
    display: flex;
    overflow-x: auto;
    font-size: 12.5px;
    font-family: var(--font-mono);
  }
  .mobile-topbar nav a{ color: var(--text-muted); white-space: nowrap; margin-right: 14px; }
  .main{ padding: 36px 20px 80px; }
  .stat{ flex: 1 1 50%; border-bottom: 1px solid var(--line); }
  .stat:nth-child(2n){ border-right: none; }
  .skill-row{ flex-direction: column; }
  .skill-cat{ width: auto; margin-bottom: 4px; }
}

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