:root {
  --bg: #f4f6fa;
  --bg-spot-1: #eef3ff;
  --bg-spot-2: #edf7f5;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --text: #141b2d;
  --heading: #0e162a;
  --muted: #5b657f;
  --line: #d8dfef;
  --line-strong: #b8c4dd;
  --accent: #1463ff;
  --accent-soft: #e8f0ff;
  --header-grad-1: rgba(244, 246, 250, 0.96);
  --header-grad-2: rgba(244, 246, 250, 0.72);
  --eyebrow: #41506d;
  --focus: #3e4f72;
  --job-meta: #4f6186;
  --cv-border: #bcd0ff;
}

:root[data-theme="dark"] {
  --bg: #0b1324;
  --bg-spot-1: #17213f;
  --bg-spot-2: #122b2a;
  --surface: #111c33;
  --surface-soft: #172641;
  --text: #eaf0ff;
  --heading: #f6f9ff;
  --muted: #a9b8d8;
  --line: #2c3d62;
  --line-strong: #446295;
  --accent: #87b3ff;
  --accent-soft: #1a305c;
  --header-grad-1: rgba(11, 19, 36, 0.95);
  --header-grad-2: rgba(11, 19, 36, 0.72);
  --eyebrow: #9db4df;
  --focus: #bfd2f7;
  --job-meta: #b0c4ee;
  --cv-border: #4a679b;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--text);
  font-family: "Manrope", "Segoe UI", sans-serif;
  line-height: 1.7;
  background:
    radial-gradient(circle at 0% 0%, var(--bg-spot-1) 0%, transparent 36%),
    radial-gradient(circle at 100% 8%, var(--bg-spot-2) 0%, transparent 32%),
    var(--bg);
}

a {
  color: var(--accent);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 0.9rem 0;
  background: linear-gradient(to bottom, var(--header-grad-1), var(--header-grad-2));
  backdrop-filter: blur(8px);
}

.topbar {
  width: min(980px, 92vw);
  margin: 0 auto;
  padding: 0.8rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  text-decoration: none;
  color: var(--text);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.topnav a {
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--muted);
}

.topnav a:hover {
  color: var(--text);
}

.topnav .cv-link {
  color: var(--accent);
  border: 1px solid var(--cv-border);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 0.25rem 0.72rem;
  font-weight: 600;
}

.theme-toggle {
  border: 1px solid var(--line);
  background: var(--surface-soft);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.25rem 0.72rem;
  font-size: 0.86rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.container {
  width: min(980px, 92vw);
  margin: 1.4rem auto 3.4rem;
  display: grid;
  gap: 1rem;
}

.intro,
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: clamp(1rem, 2.3vw, 1.8rem);
}

.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--eyebrow);
  font-size: 0.75rem;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Sora", "Manrope", sans-serif;
  line-height: 1.25;
  color: var(--heading);
}

h1 {
  font-size: clamp(1.5rem, 3.8vw, 2.15rem);
}

h2 {
  font-size: clamp(1.2rem, 3vw, 1.55rem);
}

h3 {
  font-size: 1.02rem;
}

p {
  margin: 0;
  color: var(--muted);
}

.intro-copy {
  margin-top: 0.7rem;
  max-width: 74ch;
}

.intro-focus {
  margin-top: 0.55rem;
  color: var(--focus);
  font-weight: 600;
}

.quick-links {
  margin-top: 0.9rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.quick-links a {
  text-decoration: none;
  font-size: 0.92rem;
}

.metrics {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metrics li {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem;
  background: var(--surface-soft);
}

.metrics strong {
  display: block;
  font-family: "Sora", "Manrope", sans-serif;
  color: var(--heading);
  font-size: 1rem;
}

.metrics span {
  color: var(--muted);
  font-size: 0.86rem;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 0.85rem;
}

.section-head p {
  font-size: 0.9rem;
}

.job + .job {
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px dashed var(--line);
}

.job-head {
  margin-bottom: 0.65rem;
}

.job-head p {
  margin-top: 0.25rem;
  color: var(--job-meta);
  font-size: 0.9rem;
}

.job ul {
  margin: 0;
  padding-left: 1.25rem;
}

.job li {
  margin-bottom: 0.45rem;
  color: var(--muted);
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.stack-card {
  padding: 0.82rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.stack-card h3 {
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}

.stack-card p {
  font-size: 0.9rem;
}

.writing-card {
  display: block;
  text-decoration: none;
  padding: 0.95rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.writing-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
}

.writing-card h3 {
  margin-bottom: 0.35rem;
}

.writing-card p {
  margin-bottom: 0.45rem;
}

.writing-card span {
  font-size: 0.9rem;
  color: var(--accent);
  font-weight: 600;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.95rem;
}

.contact-links a {
  text-decoration: none;
  font-size: 0.92rem;
}

.footer {
  width: min(980px, 92vw);
  margin: 0 auto 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 0.9rem;
}

.footer p {
  font-size: 0.86rem;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 860px) {
  .site-header {
    position: static;
    background: transparent;
    backdrop-filter: none;
  }

  .topbar {
    padding: 0.8rem 0;
  }

  .section-head {
    display: block;
  }

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

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