/* ==========================================================================
   danielcallicoat.com — design system
   Direct, structural, uncluttered. The site is evidence of the method.
   ========================================================================== */

:root {
  /* color */
  --ink: #1c1b1a;          /* near-black, warm */
  --ink-soft: #52504d;     /* body-secondary */
  --ink-faint: #8a8783;    /* captions, meta */
  --paper: #faf9f7;        /* warm white ground */
  --paper-raised: #ffffff; /* cards, figures */
  --line: #e3e1dd;         /* structure lines */
  --accent: #0b6e4f;       /* single accent: links, metrics */
  --accent-ink: #085c42;   /* hover */
  --stub: #efedea;         /* pending-artifact blocks */

  /* type scale (major third-ish, restrained) */
  --fs-0: 0.8125rem;  /* 13 meta */
  --fs-1: 1.0625rem;  /* 17 body */
  --fs-2: 1.25rem;    /* 20 lead */
  --fs-3: 1.625rem;   /* 26 h3 */
  --fs-4: 2.125rem;   /* 34 h2 */
  --fs-5: 3rem;       /* 48 h1 */

  /* space scale: 4/8 discipline */
  --s-1: 0.25rem; --s-2: 0.5rem; --s-3: 1rem; --s-4: 1.5rem;
  --s-5: 2rem;    --s-6: 3rem;   --s-7: 4.5rem; --s-8: 7rem;

  --measure: 72ch;
  --wide: 74rem;

  --serif: "Charter", "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --sans: -apple-system, "Segoe UI", system-ui, Roboto, Helvetica, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--fs-1);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ---------- structure ---------- */

.shell { max-width: var(--wide); margin: 0 auto; padding: 0 var(--s-4); }

header.site {
  border-bottom: 1px solid var(--line);
}
header.site .shell {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-top: var(--s-4); padding-bottom: var(--s-4); gap: var(--s-4);
  flex-wrap: wrap;
}
.wordmark {
  font-family: var(--serif); font-size: var(--fs-2); font-weight: 700;
  color: var(--ink); text-decoration: none; letter-spacing: -0.01em;
}
nav.site ul { display: flex; gap: var(--s-4); list-style: none; }
nav.site a {
  color: var(--ink-soft); text-decoration: none; font-size: var(--fs-0);
  text-transform: uppercase; letter-spacing: 0.08em;
}
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--ink); }
nav.site a[aria-current="page"] { border-bottom: 2px solid var(--accent); padding-bottom: 2px; }

main { display: block; }

footer.site {
  border-top: 1px solid var(--line);
  margin-top: var(--s-8);
  padding: var(--s-6) 0 var(--s-7);
}
footer.site h2 { font-size: var(--fs-3); margin-bottom: var(--s-2); }
footer.site p { color: var(--ink-soft); max-width: var(--measure); }
footer.site .contact-line { margin-top: var(--s-3); font-size: var(--fs-1); }
footer.site .fineprint { margin-top: var(--s-5); font-size: var(--fs-0); color: var(--ink-faint); }

/* ---------- typography ---------- */

h1, h2, h3 { font-family: var(--serif); letter-spacing: -0.015em; line-height: 1.15; }
h1 { font-size: clamp(2rem, 5vw, var(--fs-5)); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, var(--fs-4)); font-weight: 700; margin: var(--s-7) 0 var(--s-3); }
h3 { font-size: var(--fs-3); font-weight: 700; margin: var(--s-5) 0 var(--s-2); }

p, ul, ol { max-width: var(--measure); }
p + p { margin-top: var(--s-3); }
section > p:first-of-type { margin-top: 0; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-ink); }

.lead { font-size: var(--fs-2); line-height: 1.55; color: var(--ink); }
.meta { font-size: var(--fs-0); color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.08em; }

ul.plain { list-style: none; }
main ul:not(.plain):not(.cards):not(.factlist) { padding-left: 1.2em; margin-top: var(--s-3); }
main ul li + li { margin-top: var(--s-2); }

hr { border: 0; border-top: 1px solid var(--line); margin: var(--s-7) 0; }

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

.hero { padding: var(--s-8) 0 var(--s-7); }
.hero h1 { max-width: 22ch; }
.hero .lead { margin-top: var(--s-4); max-width: 58ch; }
.hero .meta { margin-bottom: var(--s-3); }

/* ---------- fact strip (case study header) ---------- */

.factlist {
  list-style: none;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--s-4); max-width: none;
  border-block: 1px solid var(--line);
  padding: var(--s-4) 0; margin: var(--s-5) 0;
}
.factlist li + li { margin-top: 0; }
.factlist .k { display: block; font-size: var(--fs-0); color: var(--ink-faint); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: var(--s-1); }
.factlist .v { font-weight: 600; }

/* ---------- work cards ---------- */

.cards {
  list-style: none;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: var(--s-4); max-width: none; margin-top: var(--s-4);
}
.cards li + li { margin-top: 0; }
.card {
  display: block; background: var(--paper-raised);
  border: 1px solid var(--line); border-radius: 6px;
  padding: var(--s-4); text-decoration: none; color: var(--ink);
  height: 100%;
}
/* hover affordance only where the card is actually a link */
a.card:hover { border-color: var(--accent); color: var(--ink); }
.card .meta { display: block; margin-bottom: var(--s-2); }
.card h3 { margin: 0 0 var(--s-2); font-size: var(--fs-2); }
.card p { color: var(--ink-soft); font-size: var(--fs-1); }
.card .go { display: inline-block; margin-top: var(--s-3); color: var(--accent); font-size: var(--fs-0); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- metrics / outcomes ---------- */

.outcomes {
  list-style: none;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: var(--s-4); max-width: none; margin-top: var(--s-4);
}
.outcomes li { border-top: 3px solid var(--accent); padding-top: var(--s-3); }
.outcomes li + li { margin-top: 0; }
.outcomes .num { display: block; font-family: var(--serif); font-size: var(--fs-4); font-weight: 700; color: var(--accent-ink); line-height: 1.1; }
.outcomes .what { display: block; margin-top: var(--s-2); color: var(--ink-soft); font-size: var(--fs-1); }

/* ---------- figures ---------- */

/* Spacing rule: an image sits close to its own caption (--s-2) and far from
   the next figure (--s-6), so captions bind unambiguously to the image above. */
figure { margin: var(--s-6) 0; }
figure img {
  display: block; width: 100%; height: auto;
  background: var(--paper-raised);
  border: 1px solid var(--line); border-radius: 4px;
}
figure > a { display: block; }
figcaption { margin-top: var(--s-2); font-size: var(--fs-0); color: var(--ink-faint); max-width: var(--measure); }
.fig-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: var(--s-6) var(--s-4); margin: var(--s-6) 0; }
.fig-row figure { margin: 0; }
.figset { margin: var(--s-6) 0; }

/* Native-size figure: image renders at its natural pixel width, never
   upscaled to the column (still shrinks on narrow screens). */
.fig-native img { width: auto; max-width: 100%; }
.fig-center img { margin-inline: auto; }

/* Fixed two-up grid (2x2 when four figures) — for artifact sets that must not
   reflow to 3- or 4-across on wide screens. */
.fig-grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 40rem) {
  .fig-grid-2 { grid-template-columns: 1fr; }
}

/* Fixed 3-, 4-, and 5-column screenshot grids. */
.fig-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.fig-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s-4) var(--s-3); }
.fig-grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--s-6) var(--s-5); }
@media (max-width: 48rem) {
  .fig-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fig-grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fig-grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 40rem) {
  .fig-grid-3 { grid-template-columns: 1fr; }
  .fig-grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Screenshots whose backgrounds match the page ground get a visible outline. */
.fig-outline img { border: 2px solid var(--ink-faint); }

/* Project sections on multi-project case studies: generous separation,
   full-size names. */
article.case > .shell > section.project { margin-top: var(--s-8); border-top: 1px solid var(--line); padding-top: var(--s-7); }
section.project > h2 { margin-top: 0; }

/* Project header stack: name / description / link / tier, each on its own line */
.proj-desc { margin-top: var(--s-2); font-size: var(--fs-2); color: var(--ink-soft); }
.proj-link { margin-top: var(--s-1); }
.proj-tier { margin-top: var(--s-2); }

/* Mobile-device screenshots: render at native width (~327px), never upscaled.
   Three-column rhythm; two shots leave the third column open. */
.fig-row-mobile { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.fig-row-mobile figure img { width: auto; max-width: 100%; }
@media (max-width: 40rem) {
  .fig-row-mobile { grid-template-columns: 1fr; }
}

/* pending artifact stub */
.stub {
  display: flex; align-items: center; justify-content: center;
  background: var(--stub); border: 1px dashed var(--ink-faint); border-radius: 4px;
  min-height: 16rem; padding: var(--s-4); text-align: center;
  color: var(--ink-faint); font-size: var(--fs-0);
  text-transform: uppercase; letter-spacing: 0.08em;
}

/* ---------- quotes / testimonials ---------- */

blockquote {
  border-left: 3px solid var(--accent);
  padding-left: var(--s-4); margin: var(--s-5) 0;
  max-width: var(--measure);
  font-family: var(--serif); font-size: var(--fs-2); line-height: 1.5;
}
blockquote footer { margin-top: var(--s-3); font-family: var(--sans); font-size: var(--fs-0); color: var(--ink-faint); border: 0; padding: 0; }

.quote-pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); gap: var(--s-5); margin-top: var(--s-5); }
.quote-pair blockquote { margin: 0; font-size: var(--fs-1); }

/* ---------- case study scaffolding ---------- */

article.case > .shell > section { margin-top: var(--s-7); }
.case-hero { padding: var(--s-7) 0 0; }
.case-hero h1 { max-width: 26ch; }
.case-hero .meta { margin-bottom: var(--s-3); }
.case-hero .lead { margin-top: var(--s-4); }

.reflection {
  background: var(--paper-raised); border: 1px solid var(--line); border-radius: 6px;
  padding: var(--s-5); margin-top: var(--s-4); max-width: var(--measure);
}
.reflection .meta { margin-bottom: var(--s-2); }
.reflection p { font-family: var(--serif); font-size: var(--fs-2); line-height: 1.5; }

/* next-work footer nav */
.worknav { border-top: 1px solid var(--line); margin-top: var(--s-8); padding-top: var(--s-5); }
.worknav .meta { margin-bottom: var(--s-3); }
.worknav ul { list-style: none; display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5); }
.worknav li + li { margin-top: 0; }

/* ---------- tier label (ai projects) ---------- */
.tier { display: inline-block; font-size: var(--fs-0); letter-spacing: 0.08em; text-transform: uppercase; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--accent); color: var(--accent-ink); margin-bottom: var(--s-2); }
.tier.plan { border-color: var(--ink-faint); color: var(--ink-soft); }

/* ---------- Wandering Hedonist photo gallery ---------- */
.wh-gallery {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 6px; max-width: none; margin-top: var(--s-4);
}
.wh-gallery a { display: block; aspect-ratio: 1 / 1; overflow: hidden; border-radius: 3px; }
.wh-gallery img { width: 100%; height: 100%; object-fit: cover; display: block; border: 0; border-radius: 0; background: var(--stub); }
@media (max-width: 48rem) { .wh-gallery { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 40rem) { .wh-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* lightbox viewer (progressive enhancement over plain image links) */
.lb { position: fixed; inset: 0; background: rgba(22, 21, 20, 0.93); display: none; align-items: center; justify-content: center; z-index: 50; }
.lb.open { display: flex; }
.lb img { max-width: 92vw; max-height: 88vh; width: auto; height: auto; border: 0; border-radius: 4px; box-shadow: 0 12px 48px rgba(0,0,0,0.5); }
.lb button {
  position: absolute; background: none; border: 0; color: #f5f3f0; cursor: pointer;
  font-size: 2.25rem; line-height: 1; padding: var(--s-3); font-family: var(--sans);
}
.lb .lb-close { top: var(--s-3); right: var(--s-3); }
.lb .lb-prev { left: var(--s-2); top: 50%; transform: translateY(-50%); }
.lb .lb-next { right: var(--s-2); top: 50%; transform: translateY(-50%); }
.lb .lb-count { position: absolute; bottom: var(--s-3); left: 50%; transform: translateX(-50%); color: #b8b4af; font-size: var(--fs-0); letter-spacing: 0.08em; }

/* ---------- resume ---------- */
.job { border-top: 1px solid var(--line); padding-top: var(--s-4); margin-top: var(--s-5); max-width: var(--measure); }
.job h3 { margin-top: 0; }
.job .meta { margin: var(--s-1) 0 var(--s-3); }

/* ---------- responsive & print ---------- */

@media (max-width: 40rem) {
  .hero { padding-top: var(--s-6); }
  header.site .shell { flex-direction: column; gap: var(--s-2); }
}

@media print {
  header.site nav, .worknav { display: none; }
  body { background: #fff; font-size: 11pt; }
  .card, .reflection { border: 1px solid #ccc; }
  a { color: var(--ink); text-decoration: none; }
}