:root {
  --bg: #0B0D10;
  --surface: #101318;
  --surface-2: #12151A;
  --chip: #181D24;
  --line: #1F242C;
  --line-2: #2A313B;
  --text: #E6E8EB;
  --text-2: #B4BCC6;
  --muted: #9AA3AE;
  --accent: #5EEAD4;
  --danger: #F87171;
  --font-sans: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", var(--font-sans);
  --font-mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
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;
}
img { max-width: 100%; height: auto; }
a { color: var(--text); text-decoration: none; transition: color .15s, border-color .15s, background .15s; }
a:hover { color: var(--accent); }
h1, h2, h3 { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--font-mono); }
.muted { color: var(--muted); }
.muted-strong { color: var(--muted); font-weight: 500; }
.small { font-size: 12px; }
.accent { color: var(--accent); }

.skip { position: absolute; left: -9999px; top: 8px; background: var(--accent); color: var(--bg); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 13, 16, .85);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding-top: 14px; padding-bottom: 14px; }
.logo { font-family: var(--font-display); font-weight: 700; font-size: 20px; letter-spacing: -.02em; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 24px; font-size: 14px; }
.nav-links a { color: var(--muted); padding: 10px 0; }
.nav-links a:hover { color: var(--text); }
.nav-links a.nav-cv { color: var(--text); padding: 9px 16px; border: 1px solid var(--line-2); border-radius: 8px; }
.nav-links a.nav-cv:hover { border-color: var(--accent); color: var(--accent); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 48px; padding: 0 22px; border-radius: 10px;
  font-weight: 500; font-size: 15px; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--bg); font-weight: 600; }
.btn-primary:hover { color: var(--bg); filter: brightness(1.08); }
.btn-accent-outline { border-color: var(--accent); color: var(--accent); font-weight: 600; }
.btn-accent-outline:hover { background: rgba(94, 234, 212, .08); }
.btn-ghost { border-color: var(--line-2); color: var(--text); }
.btn-ghost:hover { border-color: var(--muted); color: var(--text); }
.btn-lg { min-height: 56px; padding: 0 28px; border-radius: 12px; font-size: 17px; }

/* Hero */
.hero { padding: 104px 0 72px; display: flex; flex-wrap: wrap; align-items: center; gap: 56px; }
.hero-text { flex: 999 1 460px; min-width: 0; }
.eyebrow-row { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.avatar { width: 72px; height: 72px; flex-shrink: 0; border-radius: 50%; object-fit: cover; object-position: 50% 28%; border: 2px solid var(--accent); }
.eyebrow { margin: 0; font-family: var(--font-mono); font-size: 14px; color: var(--accent); }
h1 { font-family: var(--font-display); font-weight: 700; font-size: clamp(48px, 8vw, 88px); line-height: 1; letter-spacing: -.035em; }
.lede { margin: 28px 0 0; max-width: 620px; font-size: 20px; line-height: 1.55; color: var(--text-2); }
.highlights { margin: 28px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 10px; }
.highlights li {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--line-2); background: var(--surface-2);
  font-size: 14px; color: var(--text-2);
}
.highlights strong { color: var(--text); font-weight: 600; }
.highlights .gpa { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--accent); }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(94, 234, 212, .15); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(94, 234, 212, 0); } }
.cta-row { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }

/* Solver */
.solver { flex: 1 1 420px; max-width: 520px; min-width: 0; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); padding: 20px; }
.solver-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.solver-status { margin-top: 2px; font-size: 14px; font-weight: 600; }
.solver-count { text-align: right; }
.count-num { font-family: var(--font-display); font-size: 34px; font-weight: 700; line-height: 1; color: var(--danger); transition: color .3s; }
.count-num.ok { color: var(--accent); }
.solver-grid { display: grid; grid-template-columns: 40px repeat(5, minmax(0, 1fr)); gap: 4px; }
.solver-grid .day, .solver-grid .time { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.solver-grid .day { text-align: center; }
.solver-grid .time { padding-top: 6px; }
.cell {
  min-height: 74px; min-width: 0; border-radius: 6px;
  border: 1px solid var(--line); background: var(--bg);
  padding: 3px; display: flex; flex-direction: column; gap: 3px;
  transition: background .25s, border-color .25s;
}
.cell.clash { border-color: var(--danger); background: rgba(248, 113, 113, .10); }
.course {
  display: block; font-family: var(--font-mono); font-size: 10px; line-height: 1.2;
  padding: 3px 4px; border-radius: 3px; background: #1A2028; border-left: 3px solid;
  color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  animation: drop .3s ease-out;
}
@keyframes drop { from { opacity: 0; transform: translateY(-4px); } }
.solver-foot { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 8px; height: 8px; border-radius: 2px; display: inline-block; }
.solver-buttons { display: flex; gap: 8px; }
.btn-sm { min-height: 44px; padding: 0 16px; border-radius: 10px; font: 500 14px var(--font-sans); cursor: pointer; border: 1px solid transparent; }
button.btn-ghost { background: transparent; border-color: var(--line-2); color: var(--text); }
button.btn-primary { border: 0; font-weight: 600; }
button:disabled { cursor: default; opacity: .85; }
.solver-note { margin: 14px 0 0; font-size: 13px; line-height: 1.5; color: var(--muted); }

/* Sections */
.section { padding-top: 128px; }
#experience { padding-top: 96px; }
.kicker { margin: 0 0 12px; font-family: var(--font-mono); font-size: 14px; color: var(--accent); }
h2 { margin-bottom: 56px; font-family: var(--font-display); font-size: 44px; font-weight: 600; letter-spacing: -.03em; line-height: 1.1; }

.tags { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.tags span { font-family: var(--font-mono); font-size: 12px; padding: 4px 10px; border-radius: 6px; background: var(--chip); color: var(--text-2); }

/* Experience */
.job { display: flex; flex-wrap: wrap; gap: 8px 48px; padding: 32px 0; border-top: 1px solid var(--line); }
.job:last-child { border-bottom: 1px solid var(--line); }
.job-date { flex: 0 0 200px; font-family: var(--font-mono); font-size: 14px; color: var(--muted); padding-top: 4px; }
.job-body { flex: 999 1 420px; min-width: 0; }
.job h3 { font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.job-meta { margin: 4px 0 16px; font-size: 14px; color: var(--muted); }
.job-body > p:not(.job-meta) { margin: 0; color: var(--text-2); }

/* Projects */
.card { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); padding: 32px; display: flex; flex-direction: column; }
.card h3 { font-family: var(--font-display); font-size: 24px; font-weight: 600; margin-top: 12px; }
.card .mono.small { margin: 0; }
.card .grow { margin: 12px 0 0; color: var(--text-2); flex-grow: 1; }
.card .tags { margin-top: 20px; }
.card-feature { padding: 40px; flex-direction: row; flex-wrap: wrap; gap: 40px; }
.card-feature + .card-feature { margin-top: 24px; }
.feature-text { flex: 1 1 100%; min-width: 0; }
.badge-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.badge { font-family: var(--font-mono); font-size: 12px; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent); }
.card .feature-title { margin-top: 0; font-size: 36px; letter-spacing: -.02em; }
.split-text .feature-title { margin-top: 16px; }
.feature-lede { margin: 12px 0 0; font-size: 18px; color: var(--text-2); }
.bullets { margin: 24px 0 0; padding: 0 0 0 20px; color: var(--text-2); display: flex; flex-direction: column; gap: 10px; }
.card-feature .tags { margin-top: 24px; }
.phones { flex: 1 1 100%; display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
.phones figure { margin: 0; flex: 1 1 200px; max-width: 260px; }
.phones img { display: block; width: 100%; border-radius: 24px; border: 1px solid var(--line-2); }
figcaption { margin-top: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.phones figcaption { text-align: center; }
.card-split { align-items: center; }
.split-text { flex: 1 1 320px; min-width: 0; }
.split-media { margin: 0; flex: 999 1 480px; min-width: 0; }
.split-media img { display: block; width: 100%; border-radius: 12px; border: 1px solid var(--line-2); }
.card-row { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 24px; }
.card-row .card { flex: 1 1 320px; min-width: 0; }
.link-accent { margin-top: 20px; display: inline-flex; align-items: center; gap: 6px; min-height: 44px; font-size: 14px; font-weight: 500; color: var(--accent); align-self: flex-start; }
.link-accent:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Skills */
.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px 48px; }
.skills h3 { margin-bottom: 12px; font-size: 14px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.skills p { margin: 0; font-size: 17px; }
.edu { margin-top: 64px; border: 1px solid var(--line); border-radius: 18px; padding: 32px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; }
.edu .mono { margin: 0 0 6px; }
.edu h3 { font-family: var(--font-display); font-size: 22px; font-weight: 600; }
.edu .muted-strong { margin: 4px 0 0; font-weight: 400; color: var(--text-2); }
.edu-gpa { font-family: var(--font-display); font-size: 40px; font-weight: 600; letter-spacing: -.02em; color: var(--accent); }
.edu-gpa span { font-size: 16px; font-weight: 500; color: var(--muted); }

/* Contact */
.contact { padding-top: 160px; padding-bottom: 120px; text-align: center; }
.contact-title { margin: 0 auto; max-width: 760px; font-size: clamp(36px, 6vw, 64px); letter-spacing: -.035em; line-height: 1.05; }
.contact-lede { margin: 24px auto 40px; max-width: 520px; color: var(--text-2); font-size: 18px; }
.contact .btn-lg { overflow-wrap: anywhere; }
.contact-links { margin-top: 28px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 28px; font-size: 15px; }
.contact-links a { padding: 10px 0; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); }
.footer-inner { padding-top: 28px; padding-bottom: 28px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; font-size: 14px; color: var(--muted); }

/* Small screens */
@media (max-width: 640px) {
  .hero { padding: 56px 0 48px; gap: 40px; }
  .section { padding-top: 88px; }
  #experience { padding-top: 72px; }
  h2 { font-size: 34px; margin-bottom: 36px; }
  .card, .card-feature { padding: 24px; }
  .card .feature-title { font-size: 30px; }
  .job-date { flex-basis: 100%; }
  .solver { padding: 12px; }
  .solver-grid { grid-template-columns: 30px repeat(5, minmax(0, 1fr)); gap: 3px; }
  .solver-grid .time { font-size: 10px; }
  .cell { padding: 2px; min-height: 66px; }
  .course { font-size: 9px; padding: 2px 2px 2px 3px; border-left-width: 2px; letter-spacing: -.04em; text-overflow: clip; }
  .phones { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scroll-snap-type: x mandatory; margin: 0 -24px; padding: 0 24px 8px; }
  .phones figure { flex: 0 0 68%; scroll-snap-align: center; }
  .contact { padding-top: 104px; padding-bottom: 80px; }
}

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