/* Enrique Cano Carballar — personal site
   Scheme: Graphite / lime */

:root {
  --bg: #0f1211;
  --fg: #e6e8e4;
  --fg2: #c3c8c3;
  --muted: #9aa19c;
  --line: #262b28;
  --accent: #b6dc4f;
  --sans: Manrope, Helvetica, Arial, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --gutter: 32px;
}
@supports (color: oklch(80% 0.16 120)) {
  :root { --accent: oklch(80% 0.16 120); }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
a:hover, a:focus-visible { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
.mono { font-family: var(--mono); font-size: 13px; }
.muted { color: var(--muted); }
.balance { text-wrap: balance; }
.pretty { text-wrap: pretty; }
.accent { color: var(--accent); }
.section__sub { font-size: 15px; }

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 10;
  padding: 8px 12px; background: var(--accent); color: var(--bg);
  font-family: var(--mono); font-size: 13px;
}
.skip-link:focus { top: 16px; color: var(--bg); }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 2;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  gap: 24px; flex-wrap: wrap;
  padding: 16px var(--gutter);
  font-family: var(--mono); font-size: 13px;
}
.nav__brand { display: flex; align-items: center; gap: 10px; }
.nav__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; }
.nav__links { display: flex; gap: 24px; flex-wrap: wrap; color: var(--muted); }
@media (max-width: 640px) {
  .nav { position: static; backdrop-filter: none; -webkit-backdrop-filter: none; padding: 14px var(--gutter); gap: 10px 16px; }
  .nav__links { gap: 8px 16px; }
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter) 120px; }

/* Hero */
.hero { padding: 120px 0 96px; display: grid; gap: 40px; }
.hero__kicker { color: var(--accent); letter-spacing: 0.04em; }
.hero__title {
  font-weight: 700;
  font-size: clamp(40px, 6.5vw, 88px);
  line-height: 1; letter-spacing: -0.035em;
  max-width: 16ch;
}
.hero__lede { font-size: 22px; line-height: 1.45; max-width: 640px; color: var(--fg2); }
/* Same columns as .section, so the lede lines up with the section bodies below */
.hero--split { grid-template-columns: repeat(3, minmax(0, 1fr)); column-gap: 48px; }
.hero--split .hero__kicker { grid-column: 1 / -1; }
.hero--split .hero__lede { grid-column: span 2; align-self: end; }
@media (max-width: 860px) {
  .hero--split { grid-template-columns: 1fr; }
  .hero--split .hero__lede { grid-column: auto; }
}
@media (max-width: 640px) {
  .hero { padding: 72px 0 64px; gap: 28px; }
  .hero__lede { font-size: 19px; }
}


/* Sections */
.section {
  padding: 64px 0; border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px;
}
.section { scroll-margin-top: 56px; }
.section__label { color: var(--accent); }
.section__body { grid-column: span 2; }
.section--full { grid-template-columns: 1fr; gap: 40px; }
.section--full .section__body { grid-column: auto; }
.section__head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: baseline; }
@media (max-width: 860px) {
  .section { grid-template-columns: 1fr; gap: 28px; padding: 48px 0; }
  .section__body { grid-column: auto; }
}

.prose { display: grid; gap: 20px; font-size: 18px; color: var(--fg2); }
.prose p:first-child { color: var(--fg); }

/* Work */
.work { display: grid; gap: 56px; }
.job { display: grid; gap: 20px; }
.job__head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; align-items: baseline; }
.job__org { font-size: 32px; font-weight: 700; letter-spacing: -0.02em; }
.job__about { color: var(--muted); font-size: 15px; }
.role {
  border-left: 1px solid var(--line); padding-left: 24px;
  display: grid; gap: 16px; margin-top: 8px;
}
.role__head { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.role__title { font-weight: 700; }
.role p, .role li { color: var(--fg2); }
.role ul { display: grid; gap: 12px; }
.role li b { color: var(--fg); font-weight: 700; }
@media (max-width: 640px) {
  .job__org { font-size: 26px; }
  .role { padding-left: 16px; }
}

.earlier { display: grid; gap: 0; font-size: 15px; color: var(--fg2); }
.earlier .job__org { margin-bottom: 8px; color: var(--fg); }
.earlier__row {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 0; border-top: 1px solid var(--line);
}
.earlier__row:last-child { border-bottom: 1px solid var(--line); }
.earlier__row b { color: var(--fg); font-weight: 700; }

/* Capabilities */
.caps { display: grid; gap: 72px; }
.cap { display: grid; gap: 28px; }
.cap__head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 16px 48px; align-items: end; }
.cap__index { font-family: var(--mono); font-size: 13px; color: var(--accent); margin-bottom: 10px; }
.cap__title { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.cap__claim { font-size: 18px; color: var(--fg2); }
@media (max-width: 860px) {
  .cap__head { grid-template-columns: 1fr; }
  .cap__title { font-size: 24px; }
}

/* Tiles: the same 1px-gap grid the Built section uses */
.tiles {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.tile { background: var(--bg); padding: 22px 24px; display: grid; gap: 10px; align-content: start; }
.tile__tag { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.tile p:not(.tile__tag) { color: var(--fg2); font-size: 15px; text-wrap: pretty; }
.tiles--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 860px) {
  .tiles--3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .tiles, .tiles--3 { grid-template-columns: 1fr; }
  .tile { padding: 18px; }
}

/* Flow diagram: people & agents -> control plane -> systems */
.flow {
  display: grid; grid-template-columns: 1fr 40px 1.3fr 40px 1fr; align-items: stretch;
  border: 1px solid var(--line); background: var(--bg);
}
.flow__col { padding: 22px 24px; display: grid; gap: 12px; align-content: start; }
.flow__col--core { border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
.flow__label { color: var(--muted); }
.flow__core { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; color: var(--fg); }
.flow__sub { color: var(--accent); margin-top: -6px; }
.flow__list { display: grid; gap: 6px; font-size: 15px; color: var(--fg2); }
.flow__list li::before { content: '·'; color: var(--accent); margin-right: 8px; font-family: var(--mono); }
.flow__list--tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.flow__list--tags li { font-family: var(--mono); font-size: 12px; color: var(--fg); border: 1px solid var(--line); padding: 3px 8px; }
.flow__list--tags li::before { content: none; }
.flow__arrow { position: relative; }
.flow__arrow::before {
  content: '→'; position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--mono); font-size: 18px; color: var(--accent);
}
@media (max-width: 860px) {
  .flow { grid-template-columns: 1fr; }
  .flow__col--core { border-left: 0; border-right: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .flow__arrow { height: 36px; }
  .flow__arrow::before { content: '↓'; }
}

/* Built */
.built {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--line); border: 1px solid var(--line);
}
.card { background: var(--bg); padding: 28px; display: grid; gap: 12px; align-content: start; }
.card__tag { font-family: var(--mono); font-size: 12px; color: var(--accent); }
.card__title { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; }
.card p { color: var(--fg2); font-size: 15px; }
@media (max-width: 860px) { .built { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .built { grid-template-columns: 1fr; }
  .card { padding: 22px; }
}

/* Writing list */
.writing { display: grid; border-top: 1px solid var(--line); }
.post {
  display: grid; grid-template-columns: 110px 1fr; gap: 6px 24px; align-items: baseline;
  padding: 22px 0; border-bottom: 1px solid var(--line);
}
.post:last-child { border-bottom: 0; }
.post__date { color: var(--accent); }
.post__title { font-size: 21px; font-weight: 700; letter-spacing: -0.01em; color: var(--fg); }
.post__summary { grid-column: 2; color: var(--fg2); font-size: 15px; }
.post:hover .post__title, .post:focus-visible .post__title { color: var(--accent); }
.section__sub a:hover { color: var(--accent); }
@media (max-width: 640px) {
  .post { grid-template-columns: 1fr; gap: 4px; }
  .post__summary { grid-column: 1; }
}
.hero--page { padding: 96px 0 48px; }
@media (max-width: 640px) { .hero--page { padding: 56px 0 32px; } }

/* Article page */
.article { max-width: 760px; margin: 0 auto; padding-top: 80px; }
.article__label { color: var(--accent); }
.article__label a { color: inherit; }
.article__title { font-size: clamp(34px, 5vw, 56px); font-weight: 700; line-height: 1.05; letter-spacing: -0.03em; margin: 20px 0 16px; }
.article__meta { margin-bottom: 40px; }
.article__cover { margin: 0 0 48px; }
.article__cover img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
.article__cover--portrait img { width: auto; max-width: min(100%, 560px); max-height: 60vh; margin: 0 auto; }
.article__body { font-size: 18px; line-height: 1.7; color: var(--fg2); display: grid; gap: 22px; }
.article__body h2 { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; color: var(--fg); margin-top: 28px; }
.article__body h3 { font-size: 15px; font-family: var(--mono); font-weight: 500; letter-spacing: 0.02em; color: var(--accent); margin-top: 8px; }
.article__body strong { color: var(--fg); }
.article__body a { color: var(--fg); border-bottom: 1px solid var(--line); }
.article__body a:hover { color: var(--accent); border-color: var(--accent); }
.article__body ul, .article__body ol { display: grid; gap: 10px; padding-left: 24px; }
.article__body ol { list-style: decimal; }
.article__body ul { list-style: disc; }
.article__body li::marker { color: var(--accent); font-family: var(--mono); }
.article__body blockquote { margin: 0; padding-left: 24px; border-left: 2px solid var(--accent); color: var(--fg); font-size: 20px; }
.article__body pre { margin: 0; padding: 20px; background: #0a0d0c; border: 1px solid var(--line); overflow-x: auto; font-family: var(--mono); font-size: 14px; line-height: 1.55; color: var(--fg); }
.article__body code { font-family: var(--mono); font-size: 0.92em; color: var(--fg); }
.article__body :not(pre) > code { background: #1a1f1d; padding: 2px 6px; border-radius: 3px; }
.article__body img { max-width: 100%; height: auto; border: 1px solid var(--line); }
.article__body figure { margin: 8px 0; }
.article__body figcaption { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-top: 8px; }
.article__body hr { border: 0; border-top: 1px solid var(--line); }
.article__body em:only-child { display: block; font-size: 15px; color: var(--muted); }
.article__origin { margin: 56px 0 0; }
.article__origin a { color: var(--fg); }
.article__origin a:hover { color: var(--accent); }
.article .footer { margin-top: 64px; }
@media (max-width: 640px) {
  .article { padding-top: 40px; }
  .article__body { font-size: 17px; }
  .article__body h2 { font-size: 24px; }
}

/* Footer */
.footer {
  padding: 48px 0 0; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 13px; color: var(--muted);
}
.footer__links { display: flex; gap: 24px; flex-wrap: wrap; }

@media print {
  .nav, .skip-link { display: none; }
  body { background: #fff; color: #111; }
}