:root {
  --bg-color: #f4f4f5;
  --card-bg: #ffffff;
  --text-main: #18181b;
  --text-muted: #52525b;
  --text-subtle: #71717a;
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --border-color: #e4e4e7;
  --tag-bg: #f4f4f5;
  --shadow: 0 8px 30px -8px rgba(0, 0, 0, 0.08);
  --drawer-width: min(440px, 100vw);
  --font-sans: "Source Sans 3", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Source Serif 4", Georgia, "Times New Roman", serif;
  --max-width: 1080px;
  --focus-ring: 0 0 0 3px rgba(29, 78, 216, 0.35);
}

[data-theme="dark"] {
  --bg-color: #09090b;
  --card-bg: #121215;
  --text-main: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-subtle: #71717a;
  --accent: #60a5fa;
  --accent-hover: #93c5fd;
  --border-color: #27272a;
  --tag-bg: #1c1c21;
  --shadow: 0 8px 30px -8px rgba(0, 0, 0, 0.45);
  --focus-ring: 0 0 0 3px rgba(96, 165, 250, 0.4);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  padding: 1.25rem 1rem 3rem;
  transition: background-color 0.25s ease, color 0.25s ease;
  min-height: 100vh;
}

body.drawer-open,
body.nav-open {
  overflow: hidden;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: 4px;
}

.top-bar {
  max-width: var(--max-width);
  margin: 0 auto 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.page-controls {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.hamburger {
  width: 1rem;
  height: 0.75rem;
  display: inline-block;
  background:
    linear-gradient(currentColor, currentColor) 0 0 / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) 0 50% / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) 0 100% / 100% 2px no-repeat;
}

.btn-icon {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.btn-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2.5rem 2.25rem;
  box-shadow: var(--shadow);
}

.profile {
  margin-bottom: 2.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.75rem;
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.35rem;
}

.title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.bio {
  color: var(--text-muted);
  font-size: 0.975rem;
  max-width: 46rem;
  margin-bottom: 1.15rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.15rem;
  font-size: 0.875rem;
}

.contact-links a,
.contact-static {
  color: var(--text-muted);
  text-decoration: none;
}

.contact-links a:hover {
  color: var(--accent);
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

section {
  margin-bottom: 2.25rem;
}

.col-side section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.item {
  margin-bottom: 1.65rem;
}

.item:last-child {
  margin-bottom: 0;
}

.role-title {
  font-size: 1.02rem;
  font-weight: 650;
  color: var(--text-main);
  line-height: 1.3;
}

.company {
  font-weight: 500;
  color: var(--text-muted);
}

.meta {
  font-size: 0.82rem;
  color: var(--text-subtle);
  margin: 0.2rem 0 0.55rem;
}

.details {
  list-style: none;
}

.details li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.details li::before {
  content: "•";
  position: absolute;
  left: 0.15rem;
  color: var(--accent);
  font-weight: 700;
}

.skills-grid {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.skill-category {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.category-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-subtle);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  background: var(--tag-bg);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
  font-size: 0.75rem;
  font-weight: 500;
}

.projects-grid {
  display: grid;
  gap: 0.75rem;
}

.projects-grid--side {
  grid-template-columns: 1fr;
}

.project-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  width: 100%;
  border: 1px solid var(--border-color);
  padding: 1rem 1.05rem;
  border-radius: 8px;
  background: var(--card-bg);
  color: inherit;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.15s ease;
}

.project-card:hover {
  border-color: var(--accent);
}

.project-card:active {
  transform: translateY(1px);
}

.project-title {
  font-size: 0.95rem;
  font-weight: 650;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.project-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
  line-height: 1.45;
}

.simple-list {
  list-style: none;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.simple-list li {
  margin-bottom: 0.55rem;
  line-height: 1.4;
}

.simple-list strong {
  color: var(--text-main);
  font-weight: 600;
}

footer {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-subtle);
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

/* Slide-over drawer */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 11, 0.45);
  z-index: 40;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.drawer-backdrop.is-open {
  opacity: 1;
}

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--drawer-width);
  height: 100%;
  background: var(--card-bg);
  border-left: 1px solid var(--border-color);
  z-index: 50;
  padding: 1.5rem 1.35rem 2rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.28s ease;
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.12);
}

.drawer.is-open {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.drawer-header h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
}

.drawer-close {
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--tag-bg);
  color: var(--text-main);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
}

.drawer-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.drawer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
}

.drawer-body {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.drawer-body h3 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 1.25rem 0 0.45rem;
}

.drawer-body h3:first-child {
  margin-top: 0;
}

.drawer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.drawer-link {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background: var(--tag-bg);
  color: var(--accent);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
}

.drawer-link:hover {
  border-color: var(--accent);
}

.drawer-body p {
  margin-bottom: 0.65rem;
  line-height: 1.55;
}

/* Site hamburger nav */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 9, 11, 0.45);
  z-index: 40;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.nav-backdrop.is-open {
  opacity: 1;
}

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: min(320px, 100vw);
  height: 100%;
  background: var(--card-bg);
  border-right: 1px solid var(--border-color);
  z-index: 50;
  padding: 1.35rem 1.2rem 2rem;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.28s ease;
  box-shadow: 12px 0 40px rgba(0, 0, 0, 0.12);
}

.site-nav.is-open {
  transform: translateX(0);
}

.site-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.site-nav-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-subtle);
  text-transform: uppercase;
}

.site-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.site-nav-link {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-main);
  text-decoration: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.site-nav-link:hover,
.site-nav-link.is-current {
  background: var(--tag-bg);
  border-color: var(--border-color);
  color: var(--accent);
}

.site-nav-button {
  appearance: none;
}

.site-nav-note {
  margin-top: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-subtle);
  line-height: 1.45;
}

.drawer-body ul {
  list-style: disc;
  padding-left: 1.15rem;
  margin-bottom: 0.65rem;
}

.drawer-body li {
  margin-bottom: 0.35rem;
}

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .projects-grid--side {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  body {
    padding: 0.75rem 0.65rem 2rem;
  }

  .container {
    padding: 1.5rem 1.15rem;
    border-radius: 10px;
  }

  .top-bar {
    margin-bottom: 0.5rem;
  }

  .projects-grid--side {
    grid-template-columns: 1fr;
  }

  .drawer {
    width: 100vw;
    border-left: none;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
    padding: 0;
  }

  .top-bar,
  .page-controls,
  .drawer,
  .drawer-backdrop,
  .site-nav,
  .nav-backdrop {
    display: none !important;
  }

  .container {
    border: none;
    box-shadow: none;
    max-width: 100%;
    padding: 0;
  }

  .layout {
    grid-template-columns: 1.4fr 1fr;
    gap: 1.5rem;
  }

  .project-card {
    break-inside: avoid;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  .tag {
    border: 1px solid #ccc;
    background: none;
  }
}