/* Single-page layout with sticky side navigation */

:root {
  --accent: #0b57d0;
  --accent-soft: #e8f0fe;
  --surface: #ffffff;
  --border: #e5e5e5;
  --text: #1a1a1a;
  --text-muted: #555;
  --text-secondary: #333;
  --page-bg: #fafafa;
  --nav-width: 11.5rem;
  --content-max: 42rem;
  --layout-gap: 2.5rem;
  --header-offset: 1rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1.25rem;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--page-bg);
}

/* Layout: side nav + content */
.layout {
  max-width: calc(var(--nav-width) + var(--layout-gap) + var(--content-max));
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
}

.page {
  min-width: 0;
  max-width: var(--content-max);
}

/* Sticky side navigation */
.side-nav {
  position: sticky;
  top: var(--header-offset);
  z-index: 10;
  padding: 0.65rem 0.75rem;
  background: color-mix(in srgb, var(--page-bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
}

.side-nav-label {
  margin: 0 0 0.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.side-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.15rem;
}

.side-nav-list a {
  display: block;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}

.side-nav-list a:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.side-nav-list a.active {
  color: var(--accent);
  background: var(--accent-soft);
  font-weight: 600;
}

.side-nav-list a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Header / about */
.header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.header h1 {
  margin: 0 0 0.35rem;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.role {
  margin: 0;
  font-size: 1.1rem;
}

.location {
  margin: 0.15rem 0 1rem;
  color: var(--text-muted);
}

.summary {
  margin: 0 0 0.75rem;
  color: var(--text-secondary);
}

.about-personal {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.98rem;
}

section {
  margin-bottom: 2.25rem;
  scroll-margin-top: 1.25rem;
}

.section-intro {
  margin: -0.25rem 0 1rem;
  color: var(--text-muted);
  font-size: 0.98rem;
}

h2 {
  margin: 0 0 0.85rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--accent);
  font-size: 1.2rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: #111;
  line-height: 1.3;
}

h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.employer-note {
  font-weight: 500;
  color: var(--text-muted);
  font-size: 0.92em;
}

.dates {
  display: block;
  margin-top: 0.15rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Card-style experience / project blocks */
.experience,
.project-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.experience article,
.project,
.narrative-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem 1.15rem;
}

.experience article p,
.narrative-block p {
  margin: 0;
  color: var(--text-secondary);
}

.experience article h3 {
  margin-bottom: 0.5rem;
}

.project p {
  margin: 0;
  color: var(--text-secondary);
}

.project p + .video {
  margin-top: 0.85rem;
}

/* Responsive video embeds */
.video {
  position: relative;
  width: 100%;
  max-width: 32rem;
  aspect-ratio: 16 / 9;
  border-radius: 0.4rem;
  overflow: hidden;
  background: #000;
  border: 1px solid var(--border);
}

.video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

ul {
  margin: 0.35rem 0 0;
  padding-left: 1.25rem;
}

li {
  margin-bottom: 0.4rem;
}

li:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

a:hover {
  color: #0842a0;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Pill-style connect links */
.connect {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.connect li {
  margin: 0;
}

.connect a {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.connect a:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: #0842a0;
}

.footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.footer p {
  margin: 0;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-muted);
}

/* Desktop: vertical sticky rail on the left */
@media (min-width: 860px) {
  .layout {
    grid-template-columns: var(--nav-width) minmax(0, var(--content-max));
    gap: var(--layout-gap);
    padding-top: 3rem;
  }

  .side-nav {
    padding: 0.85rem 0.5rem 0.85rem 0;
    background: transparent;
    backdrop-filter: none;
    border: 0;
    border-radius: 0;
    border-left: 2px solid var(--border);
    margin-left: 0.15rem;
  }

  .side-nav-label {
    margin: 0 0 0.65rem 0.85rem;
  }

  .side-nav-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.15rem;
  }

  .side-nav-list a {
    border-radius: 0 0.35rem 0.35rem 0;
    padding: 0.35rem 0.75rem 0.35rem 0.85rem;
    border-left: 2px solid transparent;
    margin-left: -2px;
  }

  .side-nav-list a.active {
    border-left-color: var(--accent);
    background: var(--accent-soft);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --accent: #8ab4f8;
    --accent-soft: #1a2a40;
    --surface: #1e1e1e;
    --border: #333;
    --text: #e8e8e8;
    --text-muted: #aaa;
    --text-secondary: #ccc;
    --page-bg: #121212;
  }

  h2 {
    color: #f2f2f2;
  }

  a:hover {
    color: #aecbfa;
  }

  .connect a:hover {
    color: #aecbfa;
  }
}

@media print {
  .side-nav {
    display: none;
  }

  .layout {
    display: block;
    max-width: none;
    padding: 0;
  }

  .video {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  a {
    color: #000;
  }
}