@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/ibm-plex-mono-regular.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/ibm-plex-mono-medium.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/ibm-plex-mono-semibold.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("assets/fonts/ibm-plex-sans-regular.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("assets/fonts/ibm-plex-sans-medium.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("assets/fonts/ibm-plex-sans-semibold.woff2") format("woff2");
}

:root {
  --accent-light: #0e7a55;
  --accent-dark: #3ecf8e;
  --bg: #f7f7f4;
  --surface: #fdfdfc;
  --ink: #15181a;
  --muted: #5c6461;
  --line: #e2e4df;
  --accent: var(--accent-light);
  --on-accent: #ffffff;
  --page-padding: clamp(20px, 5vw, 64px);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0c0e0d;
  --surface: #121514;
  --ink: #e6e9e6;
  --muted: #8f9995;
  --line: #232827;
  --accent: var(--accent-dark);
  --on-accent: #0c0e0d;
  color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --bg: #0c0e0d;
    --surface: #121514;
    --ink: #e6e9e6;
    --muted: #8f9995;
    --line: #232827;
    --accent: var(--accent-dark);
    --on-accent: #0c0e0d;
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
  background: var(--bg);
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: clip;
  background: var(--bg);
  color: var(--ink);
  font-family: "IBM Plex Sans", sans-serif;
  text-wrap: pretty;
  transition: background-color 250ms ease, color 250ms ease;
}

button {
  font: inherit;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

a:hover {
  color: color-mix(in srgb, var(--accent) 80%, var(--ink));
}

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

h1,
h2,
h3,
p,
dl,
dd,
ul {
  margin: 0;
}

ul {
  padding: 0;
}

::selection {
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 10;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--accent);
  color: var(--on-accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  text-decoration: none;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  border-bottom: 1px solid var(--line);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  width: 100%;
  max-width: calc(1020px + (2 * var(--page-padding)));
  margin: 0 auto;
  padding: 16px var(--page-padding);
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
}

.brand {
  margin-right: auto;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.brand span,
.command span,
.section-kicker span,
.work-item h3 span,
.principles-list span,
.education span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 22px;
}

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

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

.theme-toggle {
  display: inline-flex;
  flex: 0 0 32px;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  cursor: pointer;
}

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

.theme-toggle img {
  width: 15px;
  height: 15px;
}

.site-shell {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 360px);
  gap: 48px clamp(32px, 5vw, 72px);
  align-items: center;
  padding: clamp(56px, 9vh, 104px) 0 72px;
}

.command {
  margin-bottom: 20px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px;
}

h1,
h2 {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 600;
  letter-spacing: -0.015em;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.18;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 27px;
  line-height: 1.25;
}

.cursor {
  display: inline-block;
  width: 0.5em;
  height: 0.95em;
  margin-left: 8px;
  vertical-align: text-bottom;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

.availability {
  margin-bottom: 16px;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px;
  line-height: 1.7;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2.4s ease-in-out infinite;
}

.hero-summary {
  max-width: 56ch;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 14px;
  text-decoration: none;
  transition: border-color 160ms ease, color 160ms ease, filter 160ms ease;
}

.button-small {
  padding: 8px 14px;
  font-size: 13px;
}

.button-primary {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 500;
}

.button-primary:hover {
  color: var(--on-accent);
  filter: brightness(1.08);
}

.button-secondary {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

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

.profile-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--ink) 5%, transparent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
}

.profile-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.window-dot {
  width: 9px;
  height: 9px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
}

.avatar {
  width: 30px;
  height: 30px;
  margin-left: auto;
  border-radius: 50%;
  object-fit: cover;
  filter: saturate(0.8);
}

.profile-data {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 9px 14px;
  padding: 18px 16px 20px;
  line-height: 1.5;
}

.profile-data dt {
  color: var(--muted);
}

.profile-data dd {
  overflow-wrap: anywhere;
}

.profile-data .profile-status {
  color: var(--accent);
  font-weight: 500;
}

.section {
  border-top: 1px solid var(--line);
}

.work {
  padding: 64px 0 40px;
}

.principles,
.toolbox {
  padding: 64px 0 72px;
}

.experience {
  padding: 64px 0 48px;
}

.contact {
  padding: 72px 0 48px;
}

.section-kicker {
  margin-bottom: 10px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
}

.section-kicker span {
  font-weight: 600;
}

.section-intro {
  max-width: 60ch;
  margin: 8px 0 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.toolbox .section-intro {
  margin-bottom: 28px;
}

.work-item {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 10px clamp(24px, 4vw, 64px);
  align-items: baseline;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.work-item h3,
.experience-item h3 {
  font-size: 19px;
  font-weight: 600;
}

.work-item h3 span {
  margin-right: 12px;
  font-family: "IBM Plex Mono", monospace;
}

.work-item p,
.experience-summary {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.65;
}

.work-item p {
  max-width: 56ch;
}

.principles-grid {
  display: grid;
  grid-template-columns: minmax(200px, 0.7fr) minmax(0, 1.3fr);
  gap: 28px clamp(32px, 5vw, 80px);
  align-items: start;
}

.principles-list {
  display: grid;
  gap: 16px;
  list-style: none;
}

.principles-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 14px;
  align-items: baseline;
  font-size: 16.5px;
  line-height: 1.6;
}

.principles-list span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
}

.experience > h2 {
  margin-bottom: 24px;
}

.experience-item {
  display: grid;
  grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
  gap: 10px clamp(28px, 4vw, 64px);
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.experience-item h3 {
  margin-bottom: 6px;
}

.company,
.period {
  font-family: "IBM Plex Mono", monospace;
}

.company {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 13px;
}

.period {
  color: var(--muted);
  font-size: 12.5px;
}

.experience-summary {
  margin-bottom: 12px;
}

.experience-item > .experience-summary {
  margin-bottom: 0;
}

.proof-list {
  display: grid;
  gap: 7px;
  list-style: none;
}

.proof-list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.55;
}

.proof-list li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
}

.education {
  max-width: 64ch;
  margin-top: 16px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.education span {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
}

.toolbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px clamp(24px, 3vw, 44px);
}

.tool-group h3 {
  margin-bottom: 12px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.tool-group ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  list-style: none;
}

.tool-group li {
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12.5px;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto;
  gap: 28px clamp(32px, 5vw, 72px);
  align-items: center;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.contact-card h2 {
  margin-bottom: 10px;
}

.contact-card p {
  max-width: 52ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
}

.contact-actions {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.contact-actions > a:not(.button) {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px;
  text-decoration: none;
}

footer {
  margin-top: 32px;
  color: var(--muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  line-height: 1.6;
}

footer a {
  color: var(--muted);
}

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

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@media (max-width: 900px) {
  .site-nav {
    gap: 14px;
  }

  .nav-links {
    gap: 14px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
    gap: 40px;
  }
}

@media (max-width: 760px) {
  .nav-links {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 64px;
  }

  .profile-card {
    width: 100%;
    max-width: 460px;
  }

  .work-item,
  .principles-grid,
  .experience-item,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .work-item {
    gap: 8px;
  }

  .experience-item {
    gap: 18px;
  }
}

@media (max-width: 480px) {
  :root {
    --page-padding: 18px;
  }

  .site-nav {
    gap: 10px;
    padding-block: 13px;
  }

  .brand {
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    gap: 36px;
    padding: 52px 0 56px;
  }

  h1 {
    font-size: clamp(29px, 9vw, 36px);
  }

  h2 {
    font-size: 24px;
  }

  .button-row {
    align-items: stretch;
  }

  .button-row .button,
  .contact-actions .button {
    width: 100%;
  }

  .profile-card {
    font-size: 12px;
  }

  .profile-data {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 9px 10px;
  }

  .work,
  .principles,
  .experience,
  .toolbox,
  .contact {
    padding-block: 52px;
  }

  .contact {
    padding-bottom: 36px;
  }

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

  .contact-card {
    padding: 24px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}