/* ═══════════════════════════════════════════════════════════════
   Site styles
   Flat planes, square corners, ink rules, one turquoise accent.
   Layouts: _layouts/  ·  Content: _data/, _posts/
   ═══════════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
  --paper: #eef3f2;
  --paper-2: #e0e9e7;
  --ink: #101716;
  --ink-2: #37423f;
  --ink-3: #5c6a67;
  --line: #101716;          /* strong rules */
  --line-soft: #c0cdca;     /* hairlines */
  --accent: #0f9e91;        /* turquoise; text on it is always --on-accent */
  --on-accent: #101716;
  --board: #101716;
  --board-line: #243130;
  --board-text: #6ee7d8;
  --board-dim: #7d8c89;

  /* One typeface for everything but code. STIX Two Text has tabular, lining
     figures by default, so numbers line up without a monospace font. */
  --font: 'STIX Two Text', 'Times New Roman', Georgia, serif;
  --display: var(--font);
  --code: 'JetBrains Mono', ui-monospace, Consolas, monospace;
  --rule: 2px;
  --container: 1200px;
  --gutter: 32px;
  --header-h: 64px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f1514;
    --paper-2: #161e1d;
    --ink: #e6efed;
    --ink-2: #bccac7;
    --ink-3: #869693;
    --line: #e6efed;
    --line-soft: #2c3836;
    --accent: #36cfbf;
    --board: #090d0d;
    --board-line: #1f2a29;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0f1514;
  --paper-2: #161e1d;
  --ink: #e6efed;
  --ink-2: #bccac7;
  --ink-3: #869693;
  --line: #e6efed;
  --line-soft: #2c3836;
  --accent: #36cfbf;
  --board: #090d0d;
  --board-line: #1f2a29;
  color-scheme: dark;
}

/* ── Base ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; border-radius: 0; }
[hidden] { display: none !important; }

html {
  font-size: 112.5%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.15;           /* room for stacked Vietnamese accents */
  letter-spacing: -0.005em;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; }
img { max-width: 100%; height: auto; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
::selection { background: var(--accent); color: var(--on-accent); }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container.narrow { max-width: 820px; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  padding: 10px 14px; background: var(--accent); color: var(--on-accent); font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* Small shared pieces */
.kicker, .section-num {
  display: inline-block;
  font-family: var(--font); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px 8px;
  background: var(--accent); color: var(--on-accent);
}
.lead { font-size: 1.2rem; line-height: 1.55; color: var(--ink-2); max-width: 58ch; }
.index { font-family: var(--font); font-size: 0.85rem; color: var(--ink-3); font-variant-numeric: tabular-nums; }

.link {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600;
  text-decoration: underline; text-decoration-color: var(--accent);
  text-decoration-thickness: 2px; text-underline-offset: 5px;
}
.link i { font-size: 0.8em; transition: transform 0.15s; }
.link:hover { background: var(--accent); color: var(--on-accent); text-decoration-color: var(--on-accent); }
.link:hover i { transform: translateX(3px); }

/* Buttons: flat, square, with a hard offset shadow on hover */
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 20px;
  font: 600 0.95rem/1 var(--font);
  border: var(--rule) solid var(--ink);
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s, color 0.12s;
}
.btn-solid { background: var(--ink); color: var(--paper); }
.btn-line { background: transparent; color: var(--ink); }
.btn:hover { transform: translate(-3px, -3px); box-shadow: 3px 3px 0 var(--ink); background: var(--accent); color: var(--on-accent); }
.btn:active { transform: none; box-shadow: none; }

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: var(--paper);
  border-bottom: var(--rule) solid var(--line);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 28px; }

.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  font: 700 1.25rem/1 var(--display);
  background: var(--accent); color: var(--on-accent);
  padding-bottom: 3px;
}
.brand-name { font: 700 1.15rem/1 var(--display); letter-spacing: 0; }

.site-nav { display: flex; margin-left: auto; height: 100%; }
.site-nav a {
  display: flex; align-items: center;
  padding: 0 14px;
  font-size: 0.93rem; font-weight: 500; color: var(--ink-2);
  box-shadow: inset 0 -4px 0 transparent;
  transition: color 0.12s, box-shadow 0.12s, background 0.12s;
}
.site-nav a:hover { color: var(--ink); background: var(--paper-2); }
.site-nav a[aria-current="page"] { color: var(--ink); box-shadow: inset 0 -4px 0 var(--accent); }

.header-actions { display: flex; gap: 8px; }
.icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: transparent; color: var(--ink);
  border: var(--rule) solid var(--ink);
  cursor: pointer; font-size: 0.95rem;
  transition: background 0.12s, color 0.12s;
}
.icon-btn:hover { background: var(--ink); color: var(--paper); }
.nav-toggle { display: none; }

/* ── Hero ───────────────────────────────────────────────────── */
.hero { padding: 40px 0 88px; }
.hero-meta {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font); font-size: 0.8rem; color: var(--ink-3);
  text-transform: uppercase; letter-spacing: 0.06em;
}
.hero-title {
  margin: 44px 0 56px;
  font-size: clamp(2.7rem, 7.4vw, 6.3rem);
  font-weight: 700;
  line-height: 1.08;           /* room for stacked Vietnamese accents */
  letter-spacing: -0.012em;
  max-width: 17ch;
}
.hero-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: start; }
.hero-intro .lead { margin-bottom: 18px; }
.roles { font-family: var(--font); font-size: 0.85rem; color: var(--ink-3); margin-bottom: 30px; }

/* Status board (hero): styled like an airport departures board */
.board {
  display: block;
  background: var(--board); color: var(--board-text);
  border: var(--rule) solid var(--ink);
  font-family: var(--font);
  transition: transform 0.12s, box-shadow 0.12s;
}
.board:hover { transform: translate(-4px, -4px); box-shadow: 4px 4px 0 var(--accent); }
.board-head, .board-foot {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 18px;
  font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--board-dim);
}
.board-head { border-bottom: 1px solid var(--board-line); color: #e6efed; font-weight: 500; }
.board-status { display: inline-flex; align-items: center; gap: 8px; color: #9be27a; }
.board-dot { width: 8px; height: 8px; background: currentColor; animation: blink 1.6s steps(2, jump-none) infinite; }
@keyframes blink { 50% { opacity: 0.2; } }
.board-rows { margin: 0; }
.board-rows div {
  display: flex; justify-content: space-between; align-items: baseline; gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--board-line);
}
.board-rows dt { font-size: 0.78rem; color: var(--board-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.board-rows dd {
  margin: 0; font-size: 1.35rem; font-weight: 500;
  font-variant-numeric: tabular-nums; letter-spacing: 0.02em;
}
.board-rows div:first-child dd { font-size: 2rem; }
.board-foot { font-size: 0.72rem; letter-spacing: 0.04em; text-transform: none; }
.board-go { color: var(--board-text); white-space: nowrap; }

/* ── Sections ───────────────────────────────────────────────── */
.section { padding: 96px 0; }
.section-alt { background: var(--paper-2); border-block: var(--rule) solid var(--line); }
.section-grid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 48px; }
.section-label { align-self: start; position: sticky; top: calc(var(--header-h) + 28px); }
.section-label h2 { font-size: 2.1rem; margin: 14px 0 10px; }
.section-label p { color: var(--ink-3); font-size: 0.95rem; max-width: 26ch; }
.section-label .link { margin-top: 18px; font-size: 0.95rem; }

/* Featured project: a flat plane with a hard accent offset */
.feature {
  border: var(--rule) solid var(--ink);
  background: var(--paper);
  box-shadow: 10px 10px 0 var(--accent);
  margin: 0 10px 56px 0;
}
.feature-cover { display: block; border-bottom: var(--rule) solid var(--ink); overflow: hidden; }
.feature-cover img { display: block; width: 100%; aspect-ratio: 16 / 7; object-fit: cover; transition: transform 0.4s; }
.feature:hover .feature-cover img { transform: scale(1.02); }
.feature-body { padding: 32px; }
.feature-head {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding-bottom: 14px; margin-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}
.tech { font-family: var(--font); font-size: 0.8rem; color: var(--ink-3); }
.feature h3 { font-size: clamp(1.8rem, 3.6vw, 2.9rem); letter-spacing: -0.01em; margin-bottom: 16px; }
.feature h3 a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 4px; text-underline-offset: 6px; }
.feature-text { color: var(--ink-2); max-width: 64ch; margin-bottom: 28px; }
.stat-row {
  display: grid; grid-template-columns: repeat(3, 1fr);
  margin: 0 0 28px;
  border: var(--rule) solid var(--ink);
}
.stat-row div { padding: 16px 18px; }
.stat-row div + div { border-left: var(--rule) solid var(--ink); }
.stat-row dt { font: 700 2.6rem/1 var(--display); letter-spacing: -0.008em; }
.stat-row dd { margin: 8px 0 0; font-family: var(--font); font-size: 0.75rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.06em; }

/* Ruled rows: projects and posts */
.rows { list-style: none; border-top: var(--rule) solid var(--line); }
.rows > li { border-bottom: 1px solid var(--line); }
.row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 200px 20px;
  gap: 20px; align-items: baseline;
  padding: 22px 14px; margin: 0 -14px;
  transition: background 0.12s, color 0.12s;
}
.row-main { display: flex; flex-direction: column; gap: 6px; }
.row-title { font: 700 1.35rem/1.2 var(--display); letter-spacing: 0; }
.row-text { color: var(--ink-2); font-size: 0.95rem; max-width: 62ch; }
.row-side {
  display: flex; flex-direction: column; gap: 4px; align-items: flex-end; text-align: right;
  font-family: var(--font); font-size: 0.78rem; color: var(--ink-3);
}
.row-arrow { color: var(--ink-3); transition: transform 0.15s; }
.row:hover { background: var(--accent); color: var(--on-accent); }
.row:hover .index, .row:hover .row-text, .row:hover .row-side, .row:hover .row-arrow { color: var(--on-accent); }
.row:hover .row-arrow { transform: translateX(4px); }
.topic { color: var(--ink); font-weight: 500; }

.skills { margin: 0; border-top: var(--rule) solid var(--line); }
.skills div {
  display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px;
  padding: 13px 0; border-bottom: 1px solid var(--line);
}
.skills dt { font-family: var(--font); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); padding-top: 2px; }
.skills dd { margin: 0; font-size: 0.97rem; }

/* Contact: a full-width accent plane */
.contact {
  padding: 96px 0;
  background: var(--accent); color: var(--on-accent);
  border-top: var(--rule) solid var(--line);
}
.contact .section-num { background: var(--on-accent); color: var(--accent); }
.contact .section-label h2 { color: var(--on-accent); }
.contact-title { font: 700 clamp(2.2rem, 5.4vw, 4.2rem)/1.1 var(--display); letter-spacing: -0.012em; max-width: 16ch; }
.contact-text { font-size: 1.15rem; max-width: 52ch; margin: 18px 0 36px; }
.contact-email {
  display: inline-flex; align-items: center; gap: 14px;
  font: 700 clamp(1.3rem, 3.4vw, 2.4rem)/1.2 var(--display); letter-spacing: 0;
  padding-bottom: 6px; border-bottom: 4px solid var(--on-accent);
  overflow-wrap: anywhere;
  margin-bottom: 36px;
}
.contact-email i { font-size: 0.7em; transition: transform 0.15s; }
.contact-email:hover { background: var(--on-accent); color: var(--accent); }
.contact-email:hover i { transform: translateX(4px); }

/* Social squares */
.social { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.social a {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: var(--rule) solid currentColor;
  transition: background 0.12s, color 0.12s;
}
.social a:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.contact .social a:hover { background: var(--on-accent); color: var(--accent); border-color: var(--on-accent); }

/* Ticker: a moving strip of keywords between two rules */
.ticker {
  overflow: hidden;
  background: var(--ink); color: var(--paper);
  border-block: var(--rule) solid var(--line);
}
.ticker-track { display: flex; width: max-content; animation: ticker 38s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker ul { list-style: none; display: flex; }
.ticker li {
  display: flex; align-items: center; gap: 28px;
  padding: 16px 0 16px 28px;
  font: 700 clamp(1.1rem, 2.2vw, 1.6rem)/1 var(--display); letter-spacing: 0;
  white-space: nowrap;
}
.ticker li::after { content: ''; width: 12px; height: 12px; background: var(--accent); }
@keyframes ticker { to { transform: translateX(-50%); } }

/* Services: numbered cells sharing borders, like a printed table */
.service-grid {
  list-style: none;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: var(--rule) solid var(--line); border-left: var(--rule) solid var(--line);
}
.service {
  padding: 26px 24px 30px;
  border-right: var(--rule) solid var(--line); border-bottom: var(--rule) solid var(--line);
  background: var(--paper);
  transition: background 0.12s, color 0.12s;
}
.service:hover { background: var(--accent); color: var(--on-accent); }
.service:hover p, .service:hover li { color: var(--on-accent); }
.service-num { font: 700 3.2rem/1 var(--display); letter-spacing: -0.012em; display: block; margin-bottom: 26px; }
.service h3 { font-size: 1.3rem; margin-bottom: 10px; }
.service p { color: var(--ink-2); font-size: 0.97rem; }
.service ul { list-style: none; margin-top: 16px; padding-top: 14px; border-top: 1px solid currentColor; font-size: 0.9rem; }
.service li { color: var(--ink-2); padding: 3px 0; }
.service li::before { content: '→ '; }

/* Numbers: an ink band of big figures */
.numbers { background: #101716; color: #e6efed; border-block: var(--rule) solid var(--line); }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; }
.numbers-grid div { padding: 44px 24px 40px; }
.numbers-grid div + div { border-left: 1px solid #2c3836; }
.numbers-grid dt { font: 700 clamp(2.6rem, 5.5vw, 4.6rem)/1 var(--display); letter-spacing: -0.015em; color: var(--accent); }
.numbers-grid dd { margin: 12px 0 0; font-family: var(--font); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: #9aaaa7; }

/* Journey: a horizontal timeline */
.journey {
  list-style: none;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  border-top: var(--rule) solid var(--line);
}
.journey li { position: relative; padding: 0 20px 8px 0; }
.journey-period { display: block; font-family: var(--font); font-size: 0.8rem; color: var(--ink-3); padding-top: 22px; }
.journey-dot { position: absolute; top: -8px; left: 0; width: 14px; height: 14px; background: var(--accent); border: var(--rule) solid var(--ink); }
.journey li:first-child .journey-dot { background: var(--ink); }
.journey h3 { font-size: 1.2rem; margin: 10px 0 4px; }
.journey p { color: var(--ink-3); font-size: 0.93rem; }

/* Gallery: `wide` images take a full row, the rest are squares four across */
.gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.gallery figure { margin: 0; }
.gallery figure.wide { grid-column: 1 / -1; }
.gallery img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; border: var(--rule) solid var(--ink); background: var(--paper-2); }
.gallery .wide img { aspect-ratio: 21 / 8; }
.gallery figcaption { font-family: var(--font); font-size: 0.75rem; color: var(--ink-3); padding-top: 8px; }

/* Testimonials */
.quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.quote { margin: 0; padding: 28px; border: var(--rule) solid var(--ink); display: flex; flex-direction: column; justify-content: space-between; gap: 28px; }
.quote:nth-child(odd) { background: var(--paper-2); }
.quote blockquote { margin: 0; }
.quote blockquote p { font: 600 1.3rem/1.4 var(--display); letter-spacing: 0; }
.quote blockquote p::before { content: '“'; display: block; font: 700 3.6rem/0.6 var(--display); color: var(--accent); margin-bottom: 8px; }
.quote figcaption { display: flex; align-items: center; gap: 14px; font-size: 0.9rem; color: var(--ink-3); }
.quote figcaption strong { color: var(--ink); }
.quote-avatar { width: 44px; height: 44px; flex-shrink: 0; display: grid; place-items: center; background: var(--ink); color: var(--paper); font: 700 1.2rem/1 var(--display); }

/* Now list */
.now-list { margin: 0; border-top: var(--rule) solid var(--line); }
.now-list div {
  display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px;
  padding: 16px 0; border-bottom: 1px solid var(--line);
}
.now-list dt { font-family: var(--font); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); padding-top: 3px; }
.now-list dd { margin: 0; font-size: 1.08rem; }
.prose .now-list { margin: 2em 0; }
.page-prose { max-width: 760px; padding-top: 0; }
.prose .now-list dd { color: var(--ink); }

/* Availability line in the contact block */
.availability {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px; margin-bottom: 26px;
  font-family: var(--font); font-size: 0.8rem;
  background: var(--on-accent); color: var(--accent);
}
.availability .board-dot { color: #9be27a; }

/* ── Inner pages ────────────────────────────────────────────── */
.page-head { padding: 40px 0 48px; border-bottom: var(--rule) solid var(--line); }
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px;
  font-family: var(--font); font-size: 0.78rem; color: var(--ink-3);
  margin-bottom: 40px;
}
.breadcrumb a:hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.page-head h1 {
  margin: 16px 0 18px;
  font-size: clamp(2.4rem, 6vw, 4.6rem); font-weight: 700;
  line-height: 1.1; letter-spacing: -0.012em;
  max-width: 18ch;
}
.page-body { padding-top: 56px; padding-bottom: 104px; }

.block + .block, .about-intro + .block { margin-top: 56px; padding-top: 40px; border-top: var(--rule) solid var(--line); }

/* About: portrait + bio */
.about-intro { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 48px; align-items: start; }
.portrait { margin: 0; border: var(--rule) solid var(--ink); box-shadow: 8px 8px 0 var(--accent); }
.portrait img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.portrait figcaption { padding: 10px 14px; border-top: var(--rule) solid var(--ink); font-family: var(--font); font-size: 0.75rem; color: var(--ink-3); }
.about-bio.prose { padding-top: 0; }
.values { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Projects index: cover cards */
.project-cards { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.project-card {
  display: flex; flex-direction: column; height: 100%;
  border: var(--rule) solid var(--ink); background: var(--paper);
  transition: transform 0.12s, box-shadow 0.12s;
}
.project-card:hover { transform: translate(-4px, -4px); box-shadow: 4px 4px 0 var(--accent); }
.project-card-img { display: block; border-bottom: var(--rule) solid var(--ink); overflow: hidden; }
.project-card-img img { display: block; width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.project-card-body { display: flex; flex-direction: column; gap: 8px; padding: 20px 22px 24px; }
.project-card-title { font: 700 1.45rem/1.2 var(--display); letter-spacing: 0; }
.project-cards > li:first-child { grid-column: 1 / -1; }
.project-cards > li:first-child .project-card { display: grid; grid-template-columns: 1.4fr 1fr; }
.project-cards > li:first-child .project-card-img { border-bottom: none; border-right: var(--rule) solid var(--ink); }
.project-cards > li:first-child .project-card-img img { height: 100%; aspect-ratio: auto; min-height: 320px; }
.project-cards > li:first-child .project-card-body { justify-content: center; padding: 32px; }
.project-cards > li:first-child .project-card-title { font-size: 2rem; }

/* Project case study */
.project-cover { margin: 40px 0 0; border: var(--rule) solid var(--ink); }
.project-cover img { display: block; width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.project-grid { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 56px; padding: 48px 0 24px; }
.project-facts { align-self: start; position: sticky; top: calc(var(--header-h) + 28px); }
.project-facts dl { margin: 0 0 24px; border-top: var(--rule) solid var(--line); }
.project-facts dl div { padding: 12px 0; border-bottom: 1px solid var(--line); }
.project-facts dt { font-family: var(--font); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); }
.project-facts dd { margin: 3px 0 0; font-weight: 500; }
.actions.stack { flex-direction: column; align-items: stretch; }
.actions.stack .btn { justify-content: space-between; }
.project-main .prose { padding-top: 8px; }
.project-main .stat-row { margin-bottom: 8px; }
.next-project {
  display: flex; flex-direction: column; gap: 14px;
  margin: 40px 0 104px; padding: 32px;
  border: var(--rule) solid var(--ink);
  transition: background 0.12s, color 0.12s;
}
.next-project .kicker { align-self: flex-start; }
.next-title { font: 700 clamp(1.8rem, 4vw, 3rem)/1.1 var(--display); letter-spacing: -0.01em; display: flex; align-items: center; gap: 16px; }
.next-title i { font-size: 0.6em; transition: transform 0.15s; }
.next-project:hover { background: var(--ink); color: var(--paper); }
.next-project:hover .next-title i { transform: translateX(6px); color: var(--accent); }

/* Uses */
.uses-list { list-style: none; border-top: var(--rule) solid var(--line); }
.uses-list li { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.uses-list strong { font-weight: 600; }
.uses-list span { color: var(--ink-2); }

/* Images inside Markdown content */
.prose img { display: block; width: 100%; border: var(--rule) solid var(--ink); }
.prose p:has(> img) + p > em:only-child { display: block; margin-top: -0.6em; font-style: normal; font-family: var(--font); font-size: 0.8rem; color: var(--ink-3); }

.entries { list-style: none; border-top: var(--rule) solid var(--line); }
.entries > li {
  display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 24px;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.entry-period { font-family: var(--font); font-size: 0.82rem; color: var(--ink-3); padding-top: 4px; }
.entries h3 { font-size: 1.35rem; }
.entry-org { color: var(--ink-3); margin: 4px 0 12px; }
.entries ul { list-style: none; display: flex; flex-direction: column; gap: 8px; color: var(--ink-2); }
.entries ul li { padding-left: 22px; position: relative; }
.entries ul li::before { content: '—'; position: absolute; left: 0; color: var(--accent); }
.entries p { color: var(--ink-2); }

.index-list { list-style: none; border-top: var(--rule) solid var(--line); }
.index-list li {
  display: flex; justify-content: space-between; gap: 20px;
  padding: 13px 0; border-bottom: 1px solid var(--line);
}
.index-list a { font-weight: 500; }
.index-list a:hover { background: var(--accent); color: var(--on-accent); }
.index-list span { font-family: var(--font); font-size: 0.78rem; color: var(--ink-3); white-space: nowrap; }
.note { margin-top: 48px; color: var(--ink-3); font-size: 0.92rem; }

/* Blog filter */
.filter-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.chip {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 9px 14px;
  font: 500 0.92rem/1 var(--font);
  background: transparent; color: var(--ink);
  border: var(--rule) solid var(--ink);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.chip span { font-family: var(--font); font-size: 0.75rem; color: var(--ink-3); }
.chip:hover { background: var(--paper-2); }
.chip.is-active { background: var(--ink); color: var(--paper); }
.chip.is-active span { color: var(--accent); }
.empty-note { color: var(--ink-3); padding: 24px 0; }

/* ── Blog post ──────────────────────────────────────────────── */
.post-head h1 { font-size: clamp(2rem, 5vw, 3.4rem); max-width: none; margin-top: 0; }
.post-meta {
  display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 0;
  margin: 28px 0 0;
  border-top: var(--rule) solid var(--line); border-bottom: var(--rule) solid var(--line);
}
.post-meta div { padding: 12px 28px 12px 0; }
.post-meta div + div { padding-left: 20px; border-left: 1px solid var(--line-soft); }
.post-meta dt { font-family: var(--font); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); }
.post-meta dd { margin: 2px 0 0; font-weight: 500; }

.prose { padding: 48px 0 8px; font-size: 1.1rem; line-height: 1.8; color: var(--ink-2); }
.prose > * + * { margin-top: 1.15em; }
.prose h2 { font-size: 1.75rem; color: var(--ink); margin-top: 1.9em; letter-spacing: -0.008em; }
.prose h3 { font-size: 1.3rem; color: var(--ink); margin-top: 1.6em; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 4px; }
.prose a:hover { background: var(--accent); color: var(--on-accent); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: 0.4em; }
.prose blockquote {
  margin: 1.8em 0; padding: 18px 22px;
  border-left: 10px solid var(--accent);
  background: var(--paper-2); color: var(--ink);
}
.prose blockquote p { margin: 0; }
.prose :not(pre) > code {
  font-family: var(--code); font-size: 0.84em;
  padding: 1px 6px;
  color: var(--ink); background: var(--paper-2);
  border: 1px solid var(--line-soft);
}
.prose table { width: 100%; border-collapse: collapse; font-size: 0.95rem; display: block; overflow-x: auto; }
.prose th, .prose td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; }
.prose th { color: var(--ink); border-bottom-width: var(--rule); }
.prose hr { border: none; border-top: var(--rule) solid var(--line); margin: 2.4em 0; }

/* Code blocks: same dark plane as the departures board, in both themes */
.prose pre, .prose .highlight { margin: 1.8em 0; background: var(--board); color: #e3ecea; border: var(--rule) solid var(--ink); }
.prose .highlight pre { margin: 0; border: none; }
.prose pre { padding: 20px 22px; overflow-x: auto; font-family: var(--code); font-size: 0.86rem; line-height: 1.7; }
.prose pre code { font-family: inherit; }
.highlight .c, .highlight .c1, .highlight .cm, .highlight .cs, .highlight .cp { color: #7d8c89; font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kr, .highlight .kc, .highlight .kt, .highlight .ow { color: #5fd8cb; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb, .highlight .sd, .highlight .se, .highlight .sx, .highlight .dl { color: #b5d67a; }
.highlight .mi, .highlight .mf, .highlight .m, .highlight .il { color: #ffd166; }
.highlight .nf, .highlight .fm, .highlight .nx { color: #8fc1ff; }
.highlight .nb, .highlight .bp, .highlight .nc, .highlight .nn { color: #f2a7c3; }
.highlight .na, .highlight .nt, .highlight .py { color: #c3a6ff; }
.highlight .o, .highlight .p { color: #aab8b5; }
.highlight .err { color: inherit; background: none; }

.post-tags { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 40px; font-family: var(--font); font-size: 0.85rem; color: var(--ink-3); }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 40px 0 104px; }
.post-nav-link {
  display: flex; flex-direction: column; gap: 8px;
  padding: 18px 20px;
  border: var(--rule) solid var(--ink);
  transition: background 0.12s, color 0.12s;
}
.post-nav-link:hover { background: var(--ink); color: var(--paper); }
.post-nav-link:hover .post-nav-label { color: var(--accent); }
.post-nav-link.next { text-align: right; grid-column: 2; }
.post-nav-label { font-family: var(--font); font-size: 0.78rem; color: var(--ink-3); }
.post-nav-title { font: 700 1.1rem/1.3 var(--display); }

/* ── Footer: a solid ink plane ──────────────────────────────── */
.site-footer {
  background: #101716; color: #e6efed;
  padding: 64px 0 28px;
  border-top: var(--rule) solid var(--line);
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr auto; gap: 40px; align-items: start; }
.footer-big { font: 700 clamp(3rem, 9vw, 7.2rem)/1 var(--display); letter-spacing: -0.015em; color: var(--accent); margin-bottom: 18px; }
.footer-name p:last-child { color: #9aaaa7; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; font-size: 0.95rem; }
.footer-links a { color: #cdd9d7; }
.footer-links a:hover { color: #101716; background: var(--accent); }
.footer-social .social a:hover { background: var(--accent); color: #101716; border-color: var(--accent); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
  margin-top: 56px; padding-top: 18px;
  border-top: 1px solid #2c3836;
  font-family: var(--font); font-size: 0.75rem; color: #7d8c89;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; }
  .section-grid { grid-template-columns: 1fr; gap: 28px; }
  .section-label { position: static; }
  .section-label h2 { margin-bottom: 6px; }
  .service-grid, .values { grid-template-columns: 1fr 1fr; }
  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .numbers-grid div:nth-child(3) { border-left: none; }
  .numbers-grid div:nth-child(n + 3) { border-top: 1px solid #2c3836; }
  .about-intro, .project-grid { grid-template-columns: 1fr; gap: 32px; }
  .about-intro .portrait { max-width: 320px; }
  .project-facts { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-name { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  :root { --gutter: 18px; --header-h: 58px; }
  body { font-size: 1rem; }

  .nav-toggle { display: grid; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; height: auto;
    flex-direction: column;
    background: var(--paper);
    border-bottom: var(--rule) solid var(--line);
    visibility: hidden; opacity: 0;
    transition: opacity 0.15s, visibility 0.15s;
  }
  .site-nav.open { visibility: visible; opacity: 1; }
  .site-nav a { padding: 16px var(--gutter); font-size: 1.05rem; border-top: 1px solid var(--line-soft); }
  .site-nav a[aria-current="page"] { box-shadow: inset 6px 0 0 var(--accent); }
  .header-actions { margin-left: auto; }

  .hero { padding: 24px 0 64px; }
  .hero-title { margin: 32px 0 36px; }
  .hero-grid { gap: 40px; }
  .board-head, .board-foot { padding: 12px 14px; font-size: 0.68rem; letter-spacing: 0.06em; }
  .board-rows div { padding: 12px 14px; }
  .section, .contact { padding: 64px 0; }

  .feature { padding: 22px; box-shadow: 6px 6px 0 var(--accent); margin-right: 6px; }
  .stat-row { grid-template-columns: 1fr; }
  .stat-row div + div { border-left: none; border-top: var(--rule) solid var(--ink); }
  .stat-row div { display: flex; align-items: baseline; gap: 14px; }
  .stat-row dd { margin: 0; }

  .row { grid-template-columns: 1fr 18px; gap: 6px 12px; padding: 18px 10px; margin: 0 -10px; }
  .row .index { grid-column: 1; }
  .row-main { grid-column: 1; }
  .row-side { grid-column: 1; flex-direction: row; gap: 12px; align-items: baseline; text-align: left; }
  .row-arrow { grid-column: 2; grid-row: 1 / span 3; align-self: center; }

  .skills div, .entries > li { grid-template-columns: 1fr; gap: 4px; }
  .post-meta { grid-template-columns: 1fr 1fr; }
  .post-meta div { padding: 10px 0; }
  .post-meta div + div { padding-left: 0; border-left: none; }
  .post-meta div:nth-child(even) { padding-left: 14px; border-left: 1px solid var(--line-soft); }
  .post-meta div:nth-child(n + 3) { border-top: 1px solid var(--line-soft); }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav-link.next { grid-column: auto; }
  .index-list li { flex-direction: column; gap: 2px; }
  .footer-grid { grid-template-columns: 1fr; }

  .feature-body { padding: 22px; }
  .service-grid, .values, .quotes, .project-cards { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 10px; }
  .gallery .wide img { aspect-ratio: 16 / 9; }
  .numbers-grid div { padding: 28px 16px; }
  .journey { grid-template-columns: 1fr; border-top: none; border-left: var(--rule) solid var(--line); margin-left: 7px; }
  .journey li { padding: 0 0 22px 24px; }
  .journey-period { padding-top: 0; }
  .journey-dot { top: 2px; left: -9px; }
  .now-list div, .uses-list li { grid-template-columns: 1fr; gap: 4px; }
  .project-cards > li:first-child .project-card { display: flex; }
  .project-cards > li:first-child .project-card-img { border-right: none; border-bottom: var(--rule) solid var(--ink); }
  .project-cards > li:first-child .project-card-img img { min-height: 0; aspect-ratio: 16 / 10; }
  .project-cards > li:first-child .project-card-body { padding: 20px 22px 24px; }
  .project-cards > li:first-child .project-card-title { font-size: 1.45rem; }
  .next-project { padding: 22px; margin-bottom: 72px; }
}