/* Daniel Oceno — personal index. Dark workshop / spec-sheet. */

:root {
  --bg: #141412;
  --bg-raise: #191916;
  --ink: #d8d4cb;
  --muted: #8f8b80;
  --faint: #5c594f;
  --line: #2b2a25;
  --grid: #1d1c18;
  --accent: #e8642a;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --measure: 58ch;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  /* faint drafting grid */
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: 50% 0;
}

/* single column, hairline-framed like a sheet */
.site-head, main, .site-foot {
  max-width: 76rem;
  margin: 0 auto;
  padding-left: clamp(1.25rem, 4vw, 3rem);
  padding-right: clamp(1.25rem, 4vw, 3rem);
}

a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--faint); text-underline-offset: 3px; }
a:hover { color: var(--accent); text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 1px; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #141412;
  font-family: var(--mono); font-size: .8rem;
  padding: .5rem 1rem; z-index: 10;
}
.skip:focus { left: 0; }

/* ---- header ---- */

.site-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .5rem 1rem;
  padding-top: 1.1rem; padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: .78rem; letter-spacing: .08em;
}
.head-id { color: var(--muted); }
.site-head nav a {
  color: var(--muted); text-decoration: none; text-transform: uppercase;
  margin-left: 1.5rem;
}
.site-head nav a:hover { color: var(--accent); }

/* ---- hero ---- */

.hero { padding: clamp(4rem, 10vh, 7rem) 0 clamp(3rem, 8vh, 5rem); }

.hero-kicker {
  font-family: var(--mono); font-size: .72rem; letter-spacing: .18em;
  color: var(--faint); margin-bottom: 1.75rem;
}
.hero-kicker::before { content: "// "; color: var(--accent); }

h1 {
  font-family: var(--mono);
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 600;
  line-height: .95;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--mono); font-size: clamp(.85rem, 1.6vw, 1rem);
  color: var(--muted); margin-top: 1.5rem; letter-spacing: .02em;
}

.hero-lede {
  max-width: var(--measure);
  margin-top: 1.5rem;
  font-size: 1.0625rem;
  color: var(--ink);
}

.hero-actions {
  display: flex; flex-wrap: wrap; gap: .75rem;
  margin-top: 1.75rem;
  font-family: var(--mono); font-size: .76rem;
  text-transform: uppercase; letter-spacing: .08em;
}
.hero-actions a {
  display: inline-block; padding: .65rem .9rem;
  text-decoration: none; border: 1px solid var(--line);
}
.hero-actions .primary {
  color: var(--bg); background: var(--accent); border-color: var(--accent);
  font-weight: 700;
}
.hero-actions .primary:hover { color: var(--bg); filter: brightness(1.08); }

.availability { color: var(--muted); }
.availability::before { content: "●"; color: #79a86b; margin-right: .55rem; }

.spec {
  margin-top: 3rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono); font-size: .82rem;
}
.spec > div {
  display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem;
  padding: .6rem 0; border-bottom: 1px solid var(--line);
}
.spec dt { color: var(--faint); text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; padding-top: .1em; }
.spec dd { color: var(--muted); }
.spec dd a { color: var(--ink); }

/* ---- sections ---- */

section { padding-bottom: clamp(3rem, 7vh, 5rem); }

h2 {
  font-family: var(--mono); font-size: .9rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: .2em;
  border-bottom: 1px solid var(--line);
  padding-bottom: .75rem; margin-bottom: 1.5rem;
}
.sec-no { color: var(--accent); margin-right: 1.25rem; font-weight: 400; }

.sec-note {
  font-family: var(--mono); font-size: .78rem; color: var(--faint);
  margin-bottom: 1.25rem; max-width: var(--measure);
}

/* ---- grouped work layout ---- */

.work-group { margin-top: 2.5rem; scroll-margin-top: 2rem; }
.work-group:first-of-type { margin-top: 0; }
.work-group-head {
  display: grid; grid-template-columns: 3.5rem minmax(0, 1fr);
  gap: 1.25rem; align-items: start; margin-bottom: 1rem;
}
.work-group-code {
  font-family: var(--mono); font-size: .72rem; color: var(--accent);
  letter-spacing: .12em; padding: .35rem 0 0 .9rem;
}
.work-group-head h3 {
  font-family: var(--mono); font-size: clamp(1.25rem, 2.5vw, 1.7rem);
  font-weight: 500; letter-spacing: -.02em;
}
.work-group-head h3 a { text-decoration-thickness: 1px; }
.work-group-head p {
  color: var(--muted); font-size: .9rem;
  max-width: var(--measure); margin-top: .35rem;
}


/* ---- work catalog ---- */

.catalog { list-style: none; border-top: 1px solid var(--line); }

.catalog article {
  display: grid;
  grid-template-columns: 3.5rem minmax(0, 1fr) 15rem;
  gap: 1.25rem;
  padding: 1.4rem .75rem 1.4rem 0;
  border-bottom: 1px solid var(--line);
  transition: background-color .12s linear, box-shadow .12s linear;
}
.catalog article:hover {
  background: var(--bg-raise);
  box-shadow: inset 2px 0 0 var(--accent);
}

.cat-idx {
  font-family: var(--mono); font-size: .72rem; color: var(--faint);
  padding-top: .35rem; padding-left: .9rem;
}

.cat-main h3 { font-family: var(--mono); font-size: 1.05rem; font-weight: 600; letter-spacing: .01em; }
.cat-main h3 a { text-decoration: none; }
.cat-main h3 a::after { content: " ↗"; color: var(--faint); font-size: .8em; }
.cat-main h3 a:hover::after { color: var(--accent); }
.cat-main p { color: var(--muted); font-size: .92rem; max-width: var(--measure); margin-top: .35rem; }

.cat-cmd {
  display: inline-block; margin-top: .7rem;
  font-family: var(--mono); font-size: .78rem;
  color: var(--ink); background: var(--bg-raise);
  border: 1px solid var(--line); padding: .25rem .6rem;
}
.cat-cmd::before { content: "$ "; color: var(--accent); }

.cat-meta {
  display: flex; flex-direction: column; gap: .35rem; align-items: flex-start;
  font-family: var(--mono); font-size: .72rem; color: var(--faint);
  text-transform: uppercase; letter-spacing: .07em; padding-top: .35rem;
}
.tag { border: 1px solid var(--line); padding: .15rem .5rem; }
.tag-private { color: var(--muted); border-color: var(--faint); }

/* ---- output specimen ---- */

.specimen { margin-top: 2.5rem; }
.specimen figcaption {
  font-family: var(--mono); font-size: .72rem; color: var(--faint);
  text-transform: uppercase; letter-spacing: .1em; margin-bottom: .75rem;
}
.specimen figcaption code { text-transform: none; }
.specimen pre {
  border: 1px solid var(--line);
  background: var(--bg-raise);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  font-family: var(--mono); font-size: .78rem; line-height: 1.55;
  color: var(--muted);
}
.specimen pre code { font-family: inherit; }

/* ---- about ---- */

.about-body p { max-width: var(--measure); color: var(--ink); font-size: 1.0313rem; }

/* ---- contact ---- */

.contact-list { list-style: none; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .85rem; }
.contact-intro {
  max-width: 42rem; margin: -.15rem 0 1.5rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink);
}
.contact-list li {
  display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem;
  padding: .7rem 0; border-bottom: 1px solid var(--line);
}
.contact-list span { color: var(--faint); text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; padding-top: .15em; }

/* ---- footer ---- */

.site-foot {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 1.1rem; padding-bottom: 2.5rem;
  font-family: var(--mono); font-size: .72rem; color: var(--faint);
  letter-spacing: .05em;
}
.foot-status::first-letter { color: var(--accent); }

/* ---- responsive ---- */

/* desktop: hide mobile icons */
.nav-icon, .contact-icon { display: none; }
.site-head nav a[href="#contact"] { color: var(--accent); }

@media (max-width: 767px) {
  /* header — icon strip */
  .site-head {
    flex-wrap: nowrap; justify-content: center; gap: 0;
    padding-top: .75rem; padding-bottom: .75rem;
  }
  .head-id { display: none; }
  .site-head nav { display: flex; gap: 0; flex: 1; }
  .site-head nav a {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: .2rem;
    margin: 0; padding: .45rem 0;
    font-size: 0; color: var(--muted);
    border-bottom: 2px solid transparent;
    transition: color .12s, border-color .12s;
  }
  .site-head nav a:hover,
  .site-head nav a:focus-visible { color: var(--accent); border-bottom-color: var(--accent); }
  .nav-label { display: none; }
  .nav-icon { display: block; width: 20px; height: 20px; stroke-width: 1.8; }

  /* hero — compact */
  .hero {
    padding: clamp(2.5rem, 6vh, 4rem) 0 clamp(1.5rem, 4vh, 2.5rem);
  }
  .hero-kicker { margin-bottom: 1rem; font-size: .65rem; }
  h1 { font-size: clamp(2.2rem, 12vw, 3.5rem); }
  .hero-title { font-size: .78rem; margin-top: 1rem; }
  .hero-lede { font-size: .92rem; margin-top: 1rem; }
  .hero-actions { display: grid; }
  .hero-actions a { text-align: center; }

  /* spec table — stack */
  .spec > div {
    grid-template-columns: 1fr; gap: .15rem;
    padding: .5rem 0;
  }
  .spec dt { font-size: .65rem; }
  .spec dd { font-size: .82rem; }

  /* sections — tighter */
  section { padding-bottom: clamp(2rem, 5vh, 3rem); }
  h2 { font-size: .78rem; padding-bottom: .6rem; margin-bottom: 1rem; }

  /* grouped work */
  .work-group { margin-top: 3rem; }
  .work-group-head { grid-template-columns: 1fr; gap: .35rem; }
  .work-group-code { padding-left: 0; }

  /* catalog — app cards */
  .catalog article {
    grid-template-columns: 1fr; gap: .4rem;
    padding: 1rem .85rem;
    border-radius: 6px;
    margin-bottom: .5rem;
    border: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }
  .catalog article:hover {
    background: var(--bg-raise);
    box-shadow: inset 0 0 0 1px var(--accent);
  }
  .cat-idx { display: none; }
  .cat-main h3 { font-size: .92rem; }
  .cat-main p { font-size: .82rem; margin-top: .25rem; line-height: 1.5; }
  .cat-cmd { font-size: .7rem; margin-top: .5rem; padding: .2rem .45rem; }
  .cat-meta {
    flex-direction: row; flex-wrap: wrap; gap: .5rem;
    margin-top: .5rem; padding-top: .5rem;
    border-top: 1px solid var(--line);
  }
  .tag { font-size: .65rem; padding: .1rem .4rem; }

  /* specimen — hide on mobile */
  .specimen { display: none; }

  /* about */
  .about-body p { font-size: .92rem; }

  /* contact — icon list */
  .contact-list { padding-top: .25rem; }
  .contact-list li {
    grid-template-columns: 1fr; gap: .2rem;
    padding: .7rem 0;
    position: relative;
  }
  .contact-list span {
    display: none;
  }
  .contact-icon {
    display: block; width: 22px; height: 22px; stroke-width: 1.8;
    color: var(--muted); margin-bottom: .25rem;
  }
  .contact-list a { font-size: .85rem; }

  /* footer — stack */
  .site-foot { flex-direction: column; gap: .35rem; padding-bottom: 5rem; }
}