:root {
  --color-bg: #fafaf9;
  --color-bg-elevated: #fafaf9;
  --color-bg-card: #F1F1EF;
  --color-text: #1a1917;
  --color-text-muted: #5c5852;
  --color-text-faint: #9c9890;
  --color-accent: #5b85d5;
  --color-accent-hover: #012e7c;
  --color-border: #ddd9d0;
  --color-shadow: rgba(26, 25, 23, 0.08);
  --color-shadow-md: rgba(26, 25, 23, 0.12);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --radius-sm: .25rem;
  --radius-md: .375rem;
  --radius-lg: .5rem;
  --radius-full: 9999px;
  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Inter", ui-sans-serif, system-ui, sans-serif;
  --text-hero: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-h2: clamp(1.75rem, 1rem + 2vw, 2.5rem);
  --text-xl: 1.25rem;
  --text-lg: 1.125rem;
  --text-base: 1rem;
  --text-sm: .875rem;
  --text-xs: .75rem;
  --line-height-tight: 1.2;
  --line-height-base: 1.6;
  --line-height-relaxed: 1.75;
  --transition-fast: 100ms cubic-bezier(0, 0.86, 0.38, 1.03);
  --transition-base: 250ms ease;
  --transition-slow: 250ms ease
}

[data-theme="dark"] {
  --color-bg: #171614;
  --color-bg-elevated: #1f1e1b;
  --color-bg-card: #252320;
  --color-text: #f0ede6;
  --color-text-muted: #a8a49c;
  --color-text-faint: #6b6760;
  --color-accent: #4f98a3;
  --color-accent-hover: #6aabb5;
  --color-border: #2e2c28;
  --color-shadow: rgba(0, 0, 0, .3);
  --color-shadow-md: rgba(0, 0, 0, .4)
}

html {
  background-color: var(--color-bg);
  color: var(--color-text);
  scroll-behavior: smooth;
  transition: background-color var(--transition-base), color var(--transition-base)
}

header {
  position: fixed;
  width: 100%;
  z-index: 5;
}

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

body {
  margin: 0;
  min-width: 320px;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--line-height-base);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--transition-base), color var(--transition-base)
}

main {
  width: 100%
}

img,
svg {
  display: block;
  max-width: 100%
}

a,
button,
input,
textarea,
select {
  font: inherit
}

a {
  color: inherit
}

button {
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer
}

h1,
h2,
h3,
p,
ul,
ol {
  margin: 0
}

ul,
ol {
  padding: 0
}

::selection {
  background-color: var(--color-accent);
  color: #fff
}

:where(a, button, .btn):focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px
}

:where(a, button, .btn):focus:not(:focus-visible) {
  outline: none
}

.skip-link {
  position: fixed;
  top: -100%;
  left: var(--space-4);
  z-index: 200;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--color-accent);
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: top var(--transition-fast)
}

.skip-link:focus,
.skip-link:focus-visible {
  top: var(--space-4)
}

.site-nav {
  background-color: color-mix(in oklab, var(--color-bg-elevated) 80%, transparent);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: background-color var(--transition-base), border-color var(--transition-base)
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4)
}

.nav__logo {
  color: var(--color-text);
  font-weight: 700;
  font-size: var(--text-lg);
  text-decoration: none;
  letter-spacing: -.01em;
  transition: color var(--transition-fast);
}

.nav__logo:hover {
  color: var(--color-accent)
}

.nav__links {
  display: none;
  align-items: center;
  gap: var(--space-6);
  list-style: none
}

.nav__links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-fast)
}

.nav__links a:hover,
.nav__links a.is-active {
  color: var(--color-accent)
}

.nav__links a.is-active {
  font-weight: 500
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2)
}

.nav__theme-toggle,
.nav__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  min-width: 44px;
  height: 44px;
  min-height: 44px;
  border: none;
  border-radius: var(--radius-full);
  background-color: transparent;
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast)
}

.nav__burger .icon-close,
.nav__burger[aria-expanded="true"] .icon-menu {
  display: none
}

.nav__burger[aria-expanded="true"] .icon-close {
  display: flex
}

.icon-sun,
[data-theme="dark"] .icon-moon {
  display: none
}

[data-theme="dark"] .icon-sun {
  display: flex
}

.nav__theme-toggle:hover,
.nav__burger:hover {
  background-color: var(--color-bg-card);
  color: var(--color-accent);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav__mobile-menu {
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  z-index: 99;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  border-bottom: 1px solid transparent;
  background-color: var(--color-bg-elevated);
  transform: translateY(-.25rem);
  transition: max-height var(--transition-base), opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base), border-color var(--transition-base)
}

.site-nav.nav--open .nav__mobile-menu {
  max-height: 24rem;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  border-bottom-color: var(--color-border);
  transform: translateY(0)
}

.nav__mobile-menu a {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast)
}

.nav__mobile-menu a:hover,
.nav__mobile-menu a.is-active {
  color: var(--color-accent)
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 100svh;
  padding: var(--space-16) var(--space-4);
  text-align: center
}

.hero__content {
  max-width: 50rem
}

.hero__name {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  line-height: var(--line-height-tight);
  text-wrap: balance;
  letter-spacing: -.02em
}

.hero__role {
  font-family: var(--font-display);
  margin-bottom: var(--space-2);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .1em
}

.hero__tagline {
  max-width: 37.5rem;
  margin: var(--space-6) auto 0;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: var(--line-height-relaxed);
  text-wrap: pretty
}

.hero__tagline strong {
  color: var(--color-accent);
  font-weight: 500
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8)
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-3) var(--space-6);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base), transform var(--transition-fast)
}

.btn--primary {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent)
}

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

.btn--outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent)
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: #fff
}

section {
  width: min(100%, 1280px);
  margin: 0 auto;
  padding: var(--space-20) var(--space-4);
  scroll-margin-top: 5.5rem
}

.section-heading {
  display: inline-block;
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: var(--line-height-tight);
  letter-spacing: -.01em
}

.about__body {
  max-width: 43.75rem;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: var(--line-height-relaxed)
}

.about__body > * + * {
  margin-top: var(--space-4)
}

.skills__groups {
  display: flex;
  flex-direction: column;
  gap: var(--space-8)
}

.skills__group {
  display: flex;
  flex-direction: column;
  gap: var(--space-4)
}

.skills__group-label {
  padding-top: var(--space-1);
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  letter-spacing: .08em;
  text-transform: uppercase
}

.skills__chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2)
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-card);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.4;
  cursor: default;
  transition: border-color var(--transition-fast), color var(--transition-fast)
}

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

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-10)
}

.timeline__dot {
  display: none
}

.timeline__content {
  min-width: 0;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-card);
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base)
}

.timeline__header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-4)
}

.timeline__company {
  font-family: var(--font-display);
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-1)
}

.timeline__period {
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  white-space: nowrap
}

.timeline__meta {
  color: var(--color-text-muted);
  font-size: var(--text-sm)
}

.timeline__bullets {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none
}

.timeline__bullet {
  position: relative;
  padding-left: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: var(--line-height-relaxed)
}

.timeline__bullet::before {
  content: "–";
  position: absolute;
  top: 0;
  left: 0;
  color: var(--color-accent);
  font-weight: 700
}

.other__badge {
  max-width: 12rem;
  margin: 2rem auto;
}

.projects__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6)
}

.project-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-card);
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast)
}

.project-card__title {
  font-family: var(--font-display);
  margin-bottom: var(--space-2);
  color: var(--color-text);
  font-size: var(--text-lg);
  font-weight: 700
}

.project-card__stack {
  margin-bottom: var(--space-3);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  letter-spacing: .02em
}

.project-card__description {
  flex: 1;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: var(--line-height-relaxed)
}

.project-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: auto;
  padding-top: var(--space-4)
}

.project-link {
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast)
}

.project-link:hover {
  color: var(--color-accent-hover);
  text-decoration: underline
}

.contact__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4)
}

.contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3)
}

.contact__label {
  min-width: 80px;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  letter-spacing: .08em;
  text-transform: uppercase
}

.contact__value {
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--transition-fast)
}

.contact__value:hover {
  color: var(--color-accent-hover);
  text-decoration: underline
}

.contact__value--plain {
  color: var(--color-text-muted)
}

.site-footer {
  padding: var(--space-8) var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  text-align: center;
  transition: border-color var(--transition-base), color var(--transition-base)
}

[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease
}

@media(hover:hover) {

  .timeline__content:hover,
  .project-card:hover {
    border-color: var(--color-accent);
    transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast)
  }
}

@media(min-width:768px) {
  .nav__inner {
    padding-right: var(--space-6);
    padding-left: var(--space-6)
  }

  .nav__links {
    display: flex
  }

  .nav__burger,
  .nav__mobile-menu {
    display: none !important
  }

  .hero {
    padding: var(--space-20) var(--space-12)
  }

  section {
    padding: var(--space-20) var(--space-12)
  }

  .skills__group {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
    gap: var(--space-6)
  }

  .projects__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .site-footer {
    padding-right: var(--space-6);
    padding-left: var(--space-6)
  }
}

@media(min-width:1280px) {
  .hero {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24)
  }

  section {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24)
  }
}