:root {
  color-scheme: light;
  --bg: #f3f0e9;
  --surface: #f7f4ed;
  --surface-strong: #ece7dd;
  --text: #2d2b26;
  --muted: #686257;
  --faint: #6b6459;
  --line: #d8d1c4;
  --line-strong: #bdb4a5;
  --accent: #9b513a;
  --accent-soft: #ddc2b4;
  --control: #e8e2d7;
  --font-display: "Archivo", "Noto Sans SC", sans-serif;
  --font-body: "IBM Plex Sans", "Noto Sans SC", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #22231f;
  --surface: #292a25;
  --surface-strong: #30312a;
  --text: #ede9df;
  --muted: #bbb4a7;
  --faint: #a69d8e;
  --line: #45443b;
  --line-strong: #666054;
  --accent: #d18a6c;
  --accent-soft: #715244;
  --control: #35352e;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 32px;
  background: var(--bg);
}

body {
  margin: 0;
  padding-inline: max(20px, env(safe-area-inset-left, 0px)) max(20px, env(safe-area-inset-right, 0px));
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  transition: background-color 280ms var(--ease), color 280ms var(--ease);
}

::selection { background: var(--accent-soft); color: var(--text); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { color: inherit; font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
p, h1, h2, h3, dl, dd { margin: 0; }
.svg-defs { position: absolute; overflow: hidden; }
.mark-accent { fill: var(--accent); }

.skip-link {
  position: fixed;
  top: 12px;
  left: 20px;
  z-index: 2;
  padding: 8px 12px;
  background: var(--text);
  color: var(--bg);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  width: min(100%, 1320px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 40px;
  padding-block: 24px;
  border-bottom: 1px solid var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 12px; width: fit-content; text-decoration: none; }
.brand-mark { width: 36px; height: 34px; }
.brand-copy { display: grid; gap: 1px; }
.brand-copy strong { font-family: var(--font-display); font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.brand-copy span { color: var(--faint); font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.12em; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { position: relative; color: var(--muted); font-size: 13px; text-decoration: none; }
.site-nav a::after { content: ""; position: absolute; right: 0; bottom: -6px; left: 0; height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform 220ms var(--ease); }
.site-nav a:hover::after { transform: scaleX(1); }
.header-controls { display: flex; align-items: center; gap: 20px; }
.language-control { display: flex; align-items: center; gap: 5px; color: var(--faint); font-family: var(--font-mono); font-size: 10px; }
.language-control button { padding: 4px; border: 0; background: transparent; cursor: pointer; font-family: inherit; font-size: inherit; }
.language-control button[aria-pressed="true"] { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 5px; }
.theme-toggle { display: inline-flex; align-items: center; gap: 7px; padding: 6px 0; border: 0; background: transparent; cursor: pointer; color: var(--muted); font-family: var(--font-mono); font-size: 10px; }
.theme-icon { position: relative; width: 13px; height: 13px; border: 1px solid currentColor; border-radius: 50%; overflow: hidden; }
.theme-icon::before { content: ""; position: absolute; inset: 0 50% 0 0; background: currentColor; }
.language-control button:active, .theme-toggle:active { transform: translateY(1px); }

.page-shell {
  width: min(100%, 1280px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: clamp(48px, 7vw, 104px);
  padding-block: 54px 88px;
}

.profile-aside { align-self: start; position: sticky; top: 32px; }
.avatar-frame { width: 184px; max-width: 100%; padding: 5px; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); }
.avatar-frame img { width: 100%; height: auto; aspect-ratio: 1; border-radius: 50%; object-fit: cover; }
.avatar-fallback { display: grid; place-items: center; width: 100%; aspect-ratio: 1; border-radius: 50%; background: var(--surface-strong); color: var(--accent); font-family: var(--font-display); font-size: 36px; font-weight: 500; }
.profile-identity { margin-top: 24px; }
.profile-identity h2 { font-family: var(--font-display); font-size: 27px; font-weight: 500; letter-spacing: -0.04em; line-height: 1.2; }
.profile-identity p { margin-top: 3px; color: var(--faint); font-size: 14px; }
.profile-bio { max-width: 28ch; margin-top: 20px; color: var(--muted); font-size: 13px; line-height: 1.8; text-wrap: pretty; }
.profile-facts { display: grid; gap: 13px; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.profile-facts div { display: grid; grid-template-columns: 48px 1fr; gap: 12px; }
.profile-facts dt, .focus-note dt { color: var(--faint); font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.1em; }
.profile-facts dd { color: var(--muted); font-size: 12px; }
.profile-links { display: grid; gap: 8px; margin-top: 24px; }
.profile-links a, .text-link { display: inline-flex; align-items: center; gap: 7px; width: fit-content; color: var(--text); font-size: 13px; text-decoration: none; }
.profile-links a { color: var(--muted); }
.profile-links svg, .text-link svg { width: 14px; height: 14px; color: var(--accent); }
.profile-links a:hover, .text-link:hover { color: var(--accent); }
.profile-note { display: flex; align-items: flex-start; gap: 8px; margin-top: 28px; color: var(--faint); font-size: 11px; line-height: 1.6; }
.status-dot { flex: 0 0 auto; width: 6px; height: 6px; margin-top: 6px; background: var(--accent); }

.hero { padding-block: 12px 60px; border-bottom: 1px solid var(--line-strong); }
.eyebrow { color: var(--faint); font-family: var(--font-mono); font-size: 9px; font-weight: 500; letter-spacing: 0.11em; line-height: 1.5; text-transform: uppercase; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(170px, 0.45fr); gap: 48px; margin-top: 28px; }
.hero h1 { max-width: 14ch; font-family: var(--font-display); font-size: clamp(38px, 4.2vw, 58px); font-weight: 500; letter-spacing: -0.05em; line-height: 1.2; text-wrap: balance; }
.hero-intro { max-width: 52ch; margin-top: 26px; color: var(--muted); font-size: 15px; line-height: 1.9; text-wrap: pretty; }
.hero .text-link { margin-top: 26px; }
.focus-note { display: grid; align-content: end; gap: 20px; padding-left: 24px; border-left: 1px solid var(--line); }
.focus-note dd { margin-top: 5px; color: var(--muted); font-size: 12px; line-height: 1.6; }

.content-section { padding-top: 58px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 26px; }
.section-heading h2 { margin-top: 8px; font-family: var(--font-display); font-size: 29px; font-weight: 500; letter-spacing: -0.035em; line-height: 1.25; }
.section-heading > p { max-width: 30ch; color: var(--faint); font-size: 11px; line-height: 1.6; text-align: right; }
.project-list { margin: 0; padding: 0; list-style: none; }
.project { display: grid; grid-template-columns: 28px minmax(0, 1fr) 130px 18px; gap: 22px; align-items: start; margin-inline: -14px; padding: 25px 14px; border-top: 1px solid var(--line); text-decoration: none; transition: background-color 220ms var(--ease), transform 180ms var(--ease); }
.project-list li:last-child .project { border-bottom: 1px solid var(--line); }
.project:hover { background: var(--surface); }
.project:active { transform: translateY(1px); }
.project-index { padding-top: 5px; color: var(--accent); font-family: var(--font-mono); font-size: 9px; font-variant-numeric: tabular-nums; }
.project-copy { display: grid; gap: 8px; }
.project-name { font-family: var(--font-display); font-size: 20px; font-weight: 500; letter-spacing: -0.025em; line-height: 1.3; }
.project-description { max-width: 58ch; color: var(--muted); font-size: 13px; line-height: 1.75; text-wrap: pretty; }
.project-stack { padding-top: 5px; color: var(--faint); font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.07em; line-height: 1.8; text-align: right; }
.project-arrow { width: 16px; height: 16px; margin-top: 3px; color: var(--accent); transition: transform 220ms var(--ease); }
.project:hover .project-arrow { transform: translate(2px, -2px); }

.background-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.background-item { padding: 26px 28px 28px 0; border-bottom: 1px solid var(--line); }
.background-item:nth-child(2) { padding-left: 28px; border-left: 1px solid var(--line); }
.background-wide { grid-column: 1 / -1; }
.record-number { color: var(--accent); font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.06em; }
.background-item h3 { margin-top: 12px; font-family: var(--font-display); font-size: 18px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.45; text-wrap: balance; }
.background-item > p:last-child { max-width: 62ch; margin-top: 9px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.working-list { border-top: 1px solid var(--line); }
.working-list div { display: grid; grid-template-columns: 130px 1fr; gap: 24px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.working-list dt { color: var(--faint); font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.08em; }
.working-list dd { color: var(--muted); font-size: 13px; }

.contact-section { margin-top: 64px; padding: 34px 36px 38px; background: var(--surface-strong); }
.contact-section h2 { max-width: 22ch; margin-top: 14px; font-family: var(--font-display); font-size: 26px; font-weight: 500; letter-spacing: -0.035em; line-height: 1.4; text-wrap: balance; }
.contact-section > p:not(.eyebrow) { max-width: 58ch; margin-top: 14px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.contact-section .text-link { margin-top: 22px; }
.site-footer { width: min(100%, 1320px); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 26px 32px; border-top: 1px solid var(--line); }
.site-footer p:first-child { font-family: var(--font-display); font-size: 14px; letter-spacing: -0.02em; }
.site-footer p:last-child { color: var(--faint); font-family: var(--font-mono); font-size: 8px; letter-spacing: 0.1em; }

@media (max-width: 960px) {
  .site-header { grid-template-columns: 1fr auto; gap: 20px; }
  .site-nav { display: none; }
  .page-shell { grid-template-columns: 190px minmax(0, 1fr); gap: 44px; }
  .avatar-frame { width: 160px; }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .focus-note { grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 22px 0 0; border-top: 1px solid var(--line); border-left: 0; }
  .project { grid-template-columns: 24px minmax(0, 1fr) 18px; gap: 16px; }
  .project-stack { grid-column: 2; padding-top: 0; text-align: left; }
  .project-arrow { grid-column: 3; grid-row: 1; }
}

@media (max-width: 700px) {
  body { padding-inline: max(16px, env(safe-area-inset-left, 0px)) max(16px, env(safe-area-inset-right, 0px)); }
  .site-header { padding-block: 18px; }
  .brand-copy span { display: none; }
  .header-controls { gap: 12px; }
  .page-shell { grid-template-columns: 1fr; gap: 48px; padding-block: 34px 64px; }
  .profile-aside { position: static; display: grid; grid-template-columns: 104px 1fr; column-gap: 22px; align-items: start; }
  .avatar-frame { grid-row: 1 / 3; width: 104px; }
  .profile-identity { margin-top: 4px; }
  .profile-bio { max-width: none; margin-top: 12px; }
  .profile-facts, .profile-links, .profile-note { grid-column: 1 / -1; }
  .profile-facts { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .profile-facts div { grid-template-columns: 1fr; gap: 4px; }
  .profile-links { display: flex; flex-wrap: wrap; gap: 20px; }
  .profile-note { margin-top: 20px; }
  .hero { padding-top: 0; padding-bottom: 46px; }
  .hero h1 { font-size: clamp(34px, 9vw, 44px); line-height: 1.25; }
  .hero-intro { font-size: 14px; }
  .focus-note { grid-template-columns: 1fr; }
  .content-section { padding-top: 46px; }
  .section-heading { align-items: start; }
  .section-heading > p { display: none; }
  .background-grid { grid-template-columns: 1fr; }
  .background-item, .background-item:nth-child(2) { padding: 22px 0; border-left: 0; }
  .background-wide { grid-column: auto; }
  .contact-section { margin-top: 48px; padding: 26px 24px 30px; }
  .site-footer { align-items: flex-start; flex-direction: column; gap: 10px; }
}

@media (max-width: 420px) {
  .brand-copy strong { font-size: 13px; }
  .theme-toggle { font-size: 9px; }
  .header-controls { gap: 9px; }
  .profile-aside { grid-template-columns: 84px 1fr; column-gap: 16px; }
  .avatar-frame { width: 84px; }
  .profile-identity h2 { font-size: 24px; }
  .profile-facts { grid-template-columns: 1fr 1fr; }
  .project { grid-template-columns: 20px minmax(0, 1fr) 16px; gap: 12px; margin-inline: -8px; padding-inline: 8px; }
  .project-name { font-size: 18px; }
  .working-list div { grid-template-columns: 1fr; gap: 5px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}