/* briangreig.com — blueprint theme
   Layout: one drafting sheet. The home hero carries a drawing title block;
   sections are labelled like drawing views (A, B, C...). */

:root {
  --sheet: #0d2340;        /* blueprint paper */
  --sheet-2: #112b4d;      /* raised panel */
  --ink: #e7f0fa;          /* primary line / text */
  --ink-dim: #9fb6cf;      /* secondary text */
  --grid: rgba(150, 190, 235, 0.08);
  --rule: rgba(170, 205, 240, 0.35);
  --accent: #ffc34d;       /* redline / revision marks */
  --portrait-filter: none;
  --portrait-blend: multiply;
  --portrait-bg: #e7f0fa;    /* light 'print' panel so the portrait stays black-on-white */
  --font-display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --sheet: #f2f6f9; --sheet-2: #e6eef5; --ink: #12355e; --ink-dim: #4b6684;
    --grid: rgba(18, 53, 94, 0.07); --rule: rgba(18, 53, 94, 0.3); --accent: #c2410c;
    --portrait-filter: none; --portrait-blend: multiply; --portrait-bg: #e6eef5;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --sheet: #f2f6f9; --sheet-2: #e6eef5; --ink: #12355e; --ink-dim: #4b6684;
  --grid: rgba(18, 53, 94, 0.07); --rule: rgba(18, 53, 94, 0.3); --accent: #c2410c;
  --portrait-filter: none; --portrait-blend: multiply; --portrait-bg: #e6eef5;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--sheet);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 2px dashed var(--accent); outline-offset: 3px; }

.wrap {
  max-width: 1080px; margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.label {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-dim);
}
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--sheet); padding: 8px 12px; z-index: 5; }

/* nav */
nav.top { border-bottom: 1px solid var(--rule); }
nav.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-block: 14px; flex-wrap: wrap; }
nav.top .mark { font-family: var(--font-display); font-weight: 800; font-size: 1.3rem; letter-spacing: 0.06em; text-decoration: none; }
nav.top ul { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
nav.top ul a { font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; text-decoration: none; color: var(--ink-dim); }
nav.top ul a:hover, nav.top ul a[aria-current="page"] { color: var(--accent); }

/* hero */
.hero .wrap { padding-block: 64px 48px; display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: end; }
.hero h1 {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(3.4rem, 10vw, 7rem); line-height: 0.88; margin: 12px 0 20px; letter-spacing: 0.01em;
  text-wrap: balance;
}
.hero h1 span { color: var(--accent); }
.hero p.lede { font-size: 1.15rem; max-width: 34em; margin: 0 0 24px; }
.hero .links { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  font-family: var(--font-mono); font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase;
  border: 1px solid var(--ink); padding: 10px 16px; text-decoration: none; display: inline-block;
}
.btn.primary { background: var(--ink); color: var(--sheet); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: var(--sheet); }

.hero-side { display: grid; min-width: 0; }
.portrait { margin: 0; border: 2px solid var(--ink); border-bottom: 0; background: var(--portrait-bg); display: flex; justify-content: center; align-items: flex-end; overflow: hidden; height: 300px; }
.portrait img { height: 100%; width: auto; object-fit: contain; object-position: bottom; filter: var(--portrait-filter); mix-blend-mode: var(--portrait-blend); }

.titleblock { border: 2px solid var(--ink); font-family: var(--font-mono); font-size: 0.78rem; min-width: 0; }
.titleblock .row { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--rule); }
.titleblock .row:first-child { border-top: 0; }
.titleblock .cell { padding: 8px 10px; min-width: 0; }
.titleblock .cell + .cell { border-left: 1px solid var(--rule); }
.titleblock .k { display: block; font-size: 0.64rem; letter-spacing: 0.14em; color: var(--ink-dim); text-transform: uppercase; }
.titleblock .wide { grid-column: 1 / -1; }
.titleblock .rev { color: var(--accent); }

/* sections */
section.view { border-top: 1px solid var(--rule); }
section.view > .wrap { padding-block: 64px; }
.view-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 32px; flex-wrap: wrap; }
.view-head .tag {
  font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; width: 2.2em; height: 2.2em;
  border: 2px solid var(--accent); color: var(--accent); border-radius: 50%;
  display: inline-grid; place-items: center; flex: none;
}
.view-head h2, .view-head h1 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(2rem, 5vw, 3rem); margin: 0; line-height: 1; letter-spacing: 0.02em; }
.view-head p { margin: 0; color: var(--ink-dim); flex-basis: 100%; max-width: 40em; }

/* case studies */
.cases { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--rule); }
.case { padding: 28px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: color-mix(in srgb, var(--sheet) 70%, transparent); min-width: 0; display: flex; flex-direction: column; gap: 10px; }
.case:nth-child(2n) { border-right: 0; }
.case:nth-last-child(-n+2) { border-bottom: 0; }
.case .metric { font-family: var(--font-display); font-weight: 800; font-size: 2.6rem; line-height: 1; color: var(--accent); }
.case .metric small { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 400; color: var(--ink-dim); letter-spacing: 0.1em; text-transform: uppercase; margin-left: 6px; }
.case h3 { font-size: 1.15rem; margin: 0; font-weight: 600; }
.case p { margin: 0; color: var(--ink-dim); max-width: 60ch; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 8px; }
.chip { font-family: var(--font-mono); font-size: 0.7rem; border: 1px solid var(--rule); padding: 2px 8px; color: var(--ink-dim); }

/* workshop */
.feature { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }
.drawing { margin: 0; border: 1px solid var(--rule); background: var(--sheet-2); padding: 12px; min-width: 0; }
.drawing img { display: block; width: 100%; height: auto; }
.drawing .cap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.feature h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: 2.2rem; margin: 4px 0 12px; line-height: 1; }
.feature p { margin: 0 0 16px; max-width: 46ch; }
.specs { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin-bottom: 20px; }
.specs th, .specs td { text-align: left; padding: 7px 0; border-bottom: 1px dashed var(--rule); vertical-align: top; }
.specs th { font-family: var(--font-mono); font-weight: 400; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-dim); width: 38%; padding-right: 12px; }

.bench { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 32px; margin-top: 48px; }
.bench article { border-top: 2px solid var(--ink); padding-top: 14px; min-width: 0; }
.bench h4 { margin: 4px 0 8px; font-size: 1.05rem; font-weight: 600; }
.bench p { margin: 0; color: var(--ink-dim); font-size: 0.95rem; }

/* timeline */
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--rule); }
.timeline li { position: relative; padding: 0 0 28px 28px; display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 4px 24px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 6px; width: 12px; height: 12px; background: var(--sheet); border: 2px solid var(--ink); border-radius: 50%; }
.timeline li.now::before { border-color: var(--accent); background: var(--accent); }
.timeline .yrs { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink-dim); font-variant-numeric: tabular-nums; padding-top: 2px; }
.timeline h3 { margin: 0; font-size: 1.05rem; font-weight: 600; }
.timeline p { margin: 2px 0 0; color: var(--ink-dim); max-width: 60ch; }

/* notes list */
.note-list { display: grid; gap: 16px; list-style: none; margin: 0; padding: 0; }
.note-card {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 24px; align-items: center;
  border: 1px solid var(--rule); padding: 22px 24px; text-decoration: none;
  background: color-mix(in srgb, var(--sheet) 75%, transparent);
}
.note-card:hover { border-color: var(--ink-dim); color: var(--ink); }
.note-card .meta { display: flex; gap: 14px; flex-wrap: wrap; }
.note-card .draft { color: var(--accent); }
.note-card h3 { margin: 2px 0 0; font-size: 1.3rem; font-weight: 600; line-height: 1.3; text-wrap: balance; }
.note-card p { margin: 0; color: var(--ink-dim); max-width: 64ch; }
.note-card .go { grid-column: 2; grid-row: 1 / span 3; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; border: 1px solid var(--ink); padding: 6px 10px; white-space: nowrap; }
.note-card:hover .go { color: var(--accent); border-color: var(--accent); }
.notes-more { margin-top: 24px; }
.notes-empty { border: 1px dashed var(--rule); padding: 28px; color: var(--ink-dim); }

/* article */
.article-head .wrap { padding-block: 56px 32px; }
.article-head .back { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; text-decoration: none; color: var(--ink-dim); }
.article-head .back:hover { color: var(--accent); }
.article-head h1 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1; margin: 18px 0 16px; max-width: 26ch; text-wrap: balance; }
.article-head .meta { display: flex; gap: 16px; flex-wrap: wrap; }
.article-head .draft { color: var(--accent); }
.article-head .dek { font-size: 1.15rem; max-width: 46em; margin: 16px 0 0; }
.article-body { border-top: 1px solid var(--rule); }
.article-body .wrap { padding-block: 40px 72px; }
.prose { max-width: 68ch; font-size: 1.05rem; }
.prose h2 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; letter-spacing: 0.03em; font-size: 1.6rem; line-height: 1.1; margin: 40px 0 10px; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin-bottom: 6px; }
.prose code { font-family: var(--font-mono); font-size: 0.88em; background: var(--sheet-2); padding: 1px 5px; }
.prose pre { background: var(--sheet-2); border: 1px solid var(--rule); padding: 16px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; }
.prose blockquote { border-left: 3px solid var(--accent); margin: 24px 0; padding: 4px 0 4px 18px; }
.prose blockquote p { margin: 0; }
.prose img { display: block; border: 1px solid var(--rule); margin: 24px 0; }
.article-foot { margin-top: 48px; padding-top: 20px; border-top: 1px dashed var(--rule); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* contact */
.contact { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.contact h2 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(2.2rem, 6vw, 3.6rem); margin: 0 0 12px; line-height: 0.95; text-wrap: balance; }
.contact p { margin: 0; color: var(--ink-dim); max-width: 40ch; }
.contact-list { display: grid; gap: 12px; }
.contact-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; border: 1px solid var(--rule); padding: 12px 14px; flex-wrap: wrap; }
.contact-row .val { font-family: var(--font-mono); font-size: 0.9rem; word-break: break-all; }
.copy { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; background: none; color: var(--ink); border: 1px solid var(--ink); padding: 6px 10px; cursor: pointer; text-decoration: none; }
.copy:hover { color: var(--accent); border-color: var(--accent); }

footer { border-top: 1px solid var(--rule); }
footer .wrap { padding-block: 20px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer a { color: var(--ink-dim); text-decoration: none; }

@media (max-width: 820px) {
  .hero .wrap, .feature, .contact { grid-template-columns: minmax(0, 1fr); }
  .cases { grid-template-columns: minmax(0, 1fr); }
  .case { border-right: 0 !important; border-bottom: 1px solid var(--rule) !important; }
  .case:last-child { border-bottom: 0 !important; }
  .bench { grid-template-columns: minmax(0, 1fr); }
  .note-card { grid-template-columns: minmax(0, 1fr); }
  .note-card .go { grid-column: 1; grid-row: auto; justify-self: start; }
  .timeline li { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: no-preference) {
  .hero h1 span { animation: blink 1.4s steps(1) 2; }
  @keyframes blink { 50% { opacity: 0.25; } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}