/* NoSlack Labs — site styles. Every value comes from tokens.css. Mirrors components/bundle.css in the design system. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ink-black); color: var(--text); font-family: var(--font-sans); font-size: 17px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

.nsl-mono { font-family: var(--font-mono); }
.nsl-label { font-family: var(--font-mono); font-size: 12px; line-height: 1.4; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.nsl-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.nsl-skip { position: absolute; left: var(--space-4); top: -100px; z-index: 50; background: var(--yellow); color: var(--on-yellow); padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); font-weight: 500; text-decoration: none; }
.nsl-skip:focus { top: var(--space-3); }

/* Layout ------------------------------------------------------------ */
.nsl-container { width: 100%; max-width: calc(var(--container) + 2 * var(--space-8)); margin: 0 auto; padding: 0 var(--space-8); }
.nsl-section { padding: var(--space-24) 0; border-top: var(--hairline) solid var(--line); }
.nsl-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.nsl-prose { max-width: var(--measure); }
.nsl-prose p { margin: 0 0 var(--space-4); }

/* Button ------------------------------------------------------------ */
.nsl-btn { display: inline-flex; align-items: center; gap: var(--space-2); height: 48px; padding: 0 var(--space-6); border-radius: var(--radius-sm); border: var(--hairline) solid transparent; font: 500 15px/1 var(--font-sans); letter-spacing: 0.01em; text-decoration: none; cursor: pointer; white-space: nowrap; transition: background-color var(--duration-fast) ease-out, border-color var(--duration-fast) ease-out, color var(--duration-fast) ease-out; }
.nsl-btn-sm { height: 36px; padding: 0 var(--space-4); font-size: 14px; }
.nsl-btn-primary { background: var(--yellow); color: var(--on-yellow); }
.nsl-btn-primary:hover { background: var(--gold); }
.nsl-btn-secondary { background: transparent; color: var(--text); border-color: var(--line-strong); }
.nsl-btn-secondary:hover { border-color: var(--text); background: var(--prussian); }
.nsl-btn-ghost { background: transparent; color: var(--text); padding-left: 0; padding-right: 0; height: auto; }
.nsl-btn-ghost:hover { color: var(--gold); }
.nsl-btn-arrow { font-family: var(--font-mono); transition: transform var(--duration-fast) ease-out; }
.nsl-btn:hover .nsl-btn-arrow { transform: translateX(3px); }

/* Tag + Status ------------------------------------------------------- */
.nsl-tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.nsl-tag { display: inline-flex; align-items: center; height: 24px; padding: 0 var(--space-2); border: var(--hairline) solid var(--line-strong); border-radius: var(--radius-xs); font: 400 12px/1 var(--font-mono); letter-spacing: 0.02em; color: var(--text-muted); white-space: nowrap; }
.nsl-status { display: inline-flex; align-items: center; gap: 6px; font: 500 11px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); white-space: nowrap; }
.nsl-status::before { content: ""; width: 8px; height: 8px; border-radius: 1px; border: var(--hairline) solid currentColor; }
.nsl-status-placeholder { color: var(--text-muted); }
.nsl-status-placeholder::before { border-style: dashed; }
.nsl-status-planned { color: var(--text-muted); }
.nsl-status-active { color: var(--yellow); }
.nsl-status-active::before { background: var(--yellow); border-color: var(--yellow); }
.nsl-status-documented { color: var(--text); }
.nsl-status-documented::before { background: var(--text); border-color: var(--text); }

/* Wordmark + clock edge ----------------------------------------------- */
.nsl-wordmark { display: inline-flex; align-items: center; gap: 10px; font: 600 15px/1 var(--font-sans); letter-spacing: 0.14em; color: var(--text); text-decoration: none; white-space: nowrap; }
.nsl-wordmark-edge { color: var(--yellow); flex: none; }
.nsl-wordmark-labs { color: var(--text-muted); font-weight: 500; }
.nsl-edge { color: var(--yellow); overflow: visible; }
.nsl-edge path { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: square; stroke-linejoin: miter; }
.nsl-edge .nsl-edge-base { stroke: var(--line-strong); stroke-width: 1.5; }
.nsl-edge .nsl-edge-pulse { stroke: var(--gold); stroke-dasharray: 24 400; stroke-dashoffset: 24; opacity: 0; }
.nsl-edge-live .nsl-edge-pulse, .nsl-signal:hover .nsl-edge-pulse { animation: nsl-pulse var(--duration-signal) cubic-bezier(0.4, 0, 0.2, 1) 1; }
@keyframes nsl-pulse { 0% { stroke-dashoffset: 24; opacity: 1; } 90% { opacity: 1; } 100% { stroke-dashoffset: -400; opacity: 0; } }

/* Nav ---------------------------------------------------------------- */
.nsl-nav { position: sticky; top: 0; z-index: 20; background: var(--prussian); border-bottom: var(--hairline) solid var(--line); }
.nsl-nav-inner { display: flex; align-items: center; justify-content: space-between; height: var(--nav-height); gap: var(--space-6); }
.nsl-nav-links { display: flex; align-items: center; gap: var(--space-8); margin: 0; padding: 0; list-style: none; }
.nsl-nav-link { position: relative; display: inline-flex; align-items: center; height: var(--nav-height); font: 500 15px/1 var(--font-sans); color: var(--text-muted); text-decoration: none; transition: color var(--duration-fast) ease-out; }
.nsl-nav-link:hover { color: var(--text); }
.nsl-nav-link[aria-current="page"] { color: var(--yellow); }
.nsl-nav-link[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--yellow); }
.nsl-nav-toggle { display: none; align-items: center; gap: var(--space-2); height: 40px; padding: 0 var(--space-3); background: transparent; color: var(--text); border: var(--hairline) solid var(--line-strong); border-radius: var(--radius-sm); font: 500 12px/1 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; }

/* Section header ------------------------------------------------------ */
.nsl-sechead { display: grid; grid-template-columns: 220px minmax(0, 1fr) auto; gap: var(--space-8); align-items: end; margin-bottom: var(--space-12); }
.nsl-sechead-index { align-self: start; padding-top: 10px; }
.nsl-sechead-index b { color: var(--yellow); font-weight: 500; }
.nsl-sechead h2 { margin: 0; font-size: 40px; line-height: 1.1; font-weight: 600; letter-spacing: -0.025em; }
.nsl-sechead p { margin: var(--space-3) 0 0; max-width: 56ch; color: var(--text-muted); font-size: 17px; }

/* Focus card ---------------------------------------------------------- */
.nsl-focus { display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-6) 0 0; border-top: 2px solid var(--line-strong); transition: border-color var(--duration-base) ease-out; }
.nsl-focus:hover { border-top-color: var(--yellow); }
.nsl-focus-head { display: flex; justify-content: space-between; align-items: baseline; }
.nsl-focus h3 { margin: 0; font-size: 24px; line-height: 1.25; font-weight: 600; letter-spacing: -0.015em; }
.nsl-focus p { margin: 0; color: var(--text-muted); font-size: 16px; line-height: 1.6; }
.nsl-focus-glyph { color: var(--text-muted); transition: color var(--duration-base) ease-out; }
.nsl-focus:hover .nsl-focus-glyph { color: var(--yellow); }

/* Spec list ----------------------------------------------------------- */
.nsl-specs { margin: 0; display: grid; grid-template-columns: max-content 1fr; font: 400 13px/1.6 var(--font-mono); border-top: var(--hairline) solid var(--line); }
.nsl-specs dt, .nsl-specs dd { margin: 0; padding: 6px 0; border-bottom: var(--hairline) solid var(--line); }
.nsl-specs dt { color: var(--text-muted); padding-right: var(--space-6); text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px; line-height: 2; }
.nsl-specs dd { color: var(--text); }

/* Figure (image slot) -------------------------------------------------- */
.nsl-figure { position: relative; margin: 0; aspect-ratio: 16 / 10; background-color: var(--ink-black); background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px); background-size: 16px 16px; border-bottom: var(--hairline) solid var(--line); overflow: hidden; }
.nsl-figure img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--duration-base) ease-out; }
.nsl-figure svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.nsl-figure-tag { position: absolute; left: var(--space-3); top: var(--space-3); font: 500 10px/1 var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); background: var(--ink-black); border: var(--hairline) solid var(--line); padding: 5px 6px; border-radius: var(--radius-xs); }

/* Project card -------------------------------------------------------- */
.nsl-card { display: flex; flex-direction: column; background: var(--prussian); border: var(--hairline) solid var(--line); border-radius: var(--radius-md); overflow: hidden; color: inherit; text-decoration: none; transition: border-color var(--duration-base) ease-out; }
.nsl-card:hover { border-color: var(--line-strong); }
.nsl-card:hover .nsl-figure img { transform: scale(1.02); }
.nsl-card-body { display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-6); flex: 1; }
.nsl-card-meta { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); font: 400 12px/1.4 var(--font-mono); letter-spacing: 0.04em; color: var(--text-muted); }
.nsl-card h3 { margin: 0; font-size: 22px; line-height: 1.25; font-weight: 600; letter-spacing: -0.015em; }
.nsl-card h3 a { text-decoration: none; }
.nsl-card h3 a::after { content: ""; position: absolute; inset: 0; }
.nsl-card h3 a:focus-visible { outline: none; }
.nsl-card:focus-within { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.nsl-card { position: relative; }
.nsl-card p { margin: 0; color: var(--text-muted); font-size: 15px; line-height: 1.55; }
.nsl-card-foot { margin-top: auto; padding-top: var(--space-3); }

/* Lab note row -------------------------------------------------------- */
.nsl-notes { margin: 0; padding: 0; list-style: none; border-top: var(--hairline) solid var(--line); }
.nsl-note { position: relative; display: grid; grid-template-columns: 140px 150px minmax(0, 1fr) auto; gap: var(--space-6); align-items: baseline; padding: var(--space-6) var(--space-4); margin: 0 calc(-1 * var(--space-4)); border-bottom: var(--hairline) solid var(--line); border-radius: var(--radius-sm); transition: background-color var(--duration-base) ease-out; }
.nsl-note:hover { background: var(--prussian); }
.nsl-note:focus-within { outline: 2px solid var(--focus-ring); outline-offset: -2px; }
.nsl-note-date { font: 400 13px/1.6 var(--font-mono); color: var(--text-muted); }
.nsl-note-kind { font: 500 11px/1.6 var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.nsl-note h3 { margin: 0 0 var(--space-1); font-size: 20px; line-height: 1.3; font-weight: 600; letter-spacing: -0.01em; }
.nsl-note h3 a { text-decoration: none; }
.nsl-note h3 a::after { content: ""; position: absolute; inset: 0; }
.nsl-note h3 a:focus-visible { outline: none; }
.nsl-note p { margin: 0; color: var(--text-muted); font-size: 15px; line-height: 1.55; max-width: 60ch; }
.nsl-note-arrow { font-family: var(--font-mono); color: var(--text-muted); transition: color var(--duration-fast) ease-out, transform var(--duration-fast) ease-out; }
.nsl-note:hover .nsl-note-arrow { color: var(--yellow); transform: translateX(3px); }

/* Hero ---------------------------------------------------------------- */
.nsl-hero { padding: var(--space-24) 0 var(--space-16); }
.nsl-hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--space-12); align-items: start; margin-top: var(--space-8); }
.nsl-hero h1 { margin: var(--space-6) 0 0; font-size: 88px; line-height: 0.95; font-weight: 600; letter-spacing: -0.035em; }
.nsl-hero h1 em { font-style: normal; color: var(--yellow); }
.nsl-hero-lede { margin: 0; max-width: 46ch; font-size: 20px; line-height: 1.55; color: var(--text-muted); }
.nsl-hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }
.nsl-timing { border: var(--hairline) solid var(--line); border-radius: var(--radius-md); background: var(--prussian); }
.nsl-timing-head { display: flex; justify-content: space-between; gap: var(--space-4); padding: var(--space-3) var(--space-4); border-bottom: var(--hairline) solid var(--line); }
.nsl-timing svg { width: 100%; height: auto; }
.nsl-timing .t-grid { stroke: var(--grid); stroke-width: 1; }
.nsl-timing .t-edge { stroke: var(--line); stroke-width: 1; stroke-dasharray: 2 4; }
.nsl-timing .t-name { fill: var(--text-muted); font: 500 11px var(--font-mono); letter-spacing: 0.08em; }
.nsl-timing .t-note { fill: var(--text-muted); font: 400 10px var(--font-mono); }
.nsl-timing .t-sig { fill: none; stroke: var(--text); stroke-width: 1.5; }
.nsl-timing .t-clk { fill: none; stroke: var(--yellow); stroke-width: 2; }
.nsl-timing .t-bus { fill: none; stroke: var(--text-muted); stroke-width: 1.5; }
.nsl-timing .t-mark { stroke: var(--gold); stroke-width: 1; }
.nsl-timing .t-pulse { fill: none; stroke: var(--gold); stroke-width: 3; stroke-dasharray: 40 2000; stroke-dashoffset: 40; opacity: 0; }
.nsl-timing.nsl-live .t-pulse, .nsl-timing:hover .t-pulse { animation: nsl-trace var(--duration-signal) cubic-bezier(0.4, 0, 0.2, 1) 1; }
@keyframes nsl-trace { 0% { stroke-dashoffset: 40; opacity: 1; } 90% { opacity: 1; } 100% { stroke-dashoffset: -1100; opacity: 0; } }

/* About + footer ------------------------------------------------------- */
.nsl-about { display: grid; grid-template-columns: 220px minmax(0, 1fr) minmax(0, 0.8fr); gap: var(--space-8); }
.nsl-about h2 { margin: 0 0 var(--space-6); font-size: 40px; line-height: 1.1; font-weight: 600; letter-spacing: -0.025em; }
.nsl-footer { background: var(--prussian); border-top: var(--hairline) solid var(--line); padding: var(--space-16) 0 var(--space-8); }
.nsl-footer-grid { display: grid; grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr)); gap: var(--space-8); }
.nsl-footer h2 { margin: 0 0 var(--space-4); }
.nsl-footer ul { margin: 0; padding: 0; list-style: none; display: grid; gap: var(--space-2); }
.nsl-footer a { color: var(--text); text-decoration: none; font-size: 15px; }
.nsl-footer a:hover { color: var(--gold); }
.nsl-footer p { margin: var(--space-4) 0 0; color: var(--text-muted); font-size: 15px; max-width: 40ch; }
.nsl-footer-base { display: flex; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-16); padding-top: var(--space-6); border-top: var(--hairline) solid var(--line); }
.nsl-placeholder-note { display: inline-block; font: 400 12px/1.5 var(--font-mono); color: var(--text-muted); border: var(--hairline) dashed var(--line-strong); border-radius: var(--radius-xs); padding: 2px 6px; }

/* Responsive ------------------------------------------------------------ */
@media (max-width: 960px) {
  .nsl-hero-grid { grid-template-columns: 1fr; }
  .nsl-hero h1 { font-size: 64px; }
  .nsl-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nsl-sechead, .nsl-about { grid-template-columns: 1fr; gap: var(--space-3); }
  .nsl-sechead-index { padding-top: 0; }
  .nsl-note { grid-template-columns: 120px minmax(0, 1fr) auto; }
  .nsl-note-kind { grid-column: 2; grid-row: 1; }
  .nsl-note-main { grid-column: 2; }
  .nsl-note-arrow { grid-column: 3; grid-row: 1; }
}
@media (max-width: 720px) {
  body { font-size: 16px; }
  .nsl-container { padding: 0 var(--space-4); }
  .nsl-section { padding: var(--space-16) 0; }
  .nsl-hero { padding: var(--space-16) 0 var(--space-12); }
  .nsl-hero h1 { font-size: 52px; line-height: 0.98; }
  .nsl-hero-lede { font-size: 18px; }
  .nsl-hero-actions .nsl-btn { flex: 1 1 100%; justify-content: center; }
  .nsl-grid-3 { grid-template-columns: 1fr; }
  .nsl-sechead h2, .nsl-about h2 { font-size: 32px; }
  .nsl-sechead { margin-bottom: var(--space-8); }
  .nsl-sechead-action { justify-self: start; }
  .nsl-nav-inner { flex-wrap: wrap; height: auto; min-height: var(--nav-height); }
  .nsl-nav-links { gap: var(--space-4); }
  .js .nsl-nav-inner { flex-wrap: nowrap; height: var(--nav-height); }
  .js .nsl-nav-toggle { display: inline-flex; }
  .js .nsl-nav-links { display: none; position: absolute; left: 0; right: 0; top: var(--nav-height); flex-direction: column; align-items: stretch; gap: 0; background: var(--prussian); border-bottom: var(--hairline) solid var(--line); padding: var(--space-2) var(--space-4) var(--space-4); }
  .js .nsl-nav[data-open="true"] .nsl-nav-links { display: flex; }
  .js .nsl-nav-link { height: 48px; width: 100%; border-bottom: var(--hairline) solid var(--line); }
  .js .nsl-nav-link[aria-current="page"]::after { left: auto; right: 0; top: 50%; bottom: auto; width: 8px; height: 8px; transform: translateY(-50%); }
  .nsl-note { grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-2) var(--space-4); padding: var(--space-4); }
  .nsl-note-date { grid-column: 1; grid-row: 1; }
  .nsl-note-kind { grid-column: 1; grid-row: 2; }
  .nsl-note-main { grid-column: 1 / -1; grid-row: 3; }
  .nsl-note-arrow { grid-column: 2; grid-row: 1; }
  .nsl-footer-grid { grid-template-columns: 1fr 1fr; }
  .nsl-footer-grid > :first-child { grid-column: 1 / -1; }
  .nsl-footer-base { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* Pages ----------------------------------------------------------------- */
.nsl-pagehead { padding: var(--space-24) 0 var(--space-12); }
.nsl-pagehead .nsl-sechead { margin-bottom: 0; }
.nsl-pagehead h1 { margin: 0; font-size: 56px; line-height: 1.02; font-weight: 600; letter-spacing: -0.03em; }
.nsl-pagehead .nsl-sechead p { font-size: 20px; line-height: 1.55; }
.nsl-detail { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: var(--space-8); align-items: start; }
.nsl-detail .nsl-figure { border: var(--hairline) solid var(--line); border-radius: var(--radius-sm); }
.nsl-article { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: var(--space-8); }
.nsl-article h2 { margin: var(--space-12) 0 var(--space-4); font-size: 28px; line-height: 1.2; font-weight: 600; letter-spacing: -0.02em; }
.nsl-article h2:first-child { margin-top: 0; }
.nsl-article code { font-family: var(--font-mono); font-size: 0.9em; background: var(--prussian); border: var(--hairline) solid var(--line); border-radius: var(--radius-xs); padding: 1px 5px; }
.nsl-article figure { margin: var(--space-8) 0; }
.nsl-article figcaption { margin-top: var(--space-2); font: 400 13px/1.6 var(--font-mono); color: var(--text-muted); }
.nsl-empty { padding: var(--space-8); border: var(--hairline) dashed var(--line-strong); border-radius: var(--radius-md); color: var(--text-muted); }
.nsl-empty strong { color: var(--text); font-weight: 500; }
.nsl-404 { min-height: 60vh; display: flex; align-items: center; }
.nsl-404 h1 { margin: var(--space-6) 0 var(--space-4); font-size: 88px; line-height: 0.95; font-weight: 600; letter-spacing: -0.035em; }
@media (max-width: 960px) {
  .nsl-detail, .nsl-article { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nsl-pagehead { padding: var(--space-16) 0 var(--space-8); }
  .nsl-pagehead h1 { font-size: 40px; }
  .nsl-404 h1 { font-size: 52px; }
}