/* ============================================================
   Theme tokens (violet)
   Light is the default. Dark applies when the OS prefers dark
   (unless the user forced light), or when the user forced dark.
   ============================================================ */
:root {
  --bg: #f6f5f9;
  --bg-alt: #ecebf2;
  --surface: #fcfbfe;
  --text: #221e2e;
  --muted: #4e495e;
  --border: #d7d6d9;
  --accent: #6a3fc0;
  --accent-contrast: #ffffff;
  --accent-soft: rgba(106, 63, 192, 0.12);
  --copper: #b03a72;
  --panel: #ebe6f4;          /* side panel */
  --thumb: #f2eef9;          /* behind card illustrations */
  --card-top: 3px solid var(--accent);
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #131119;
    --bg-alt: #181621;
    --surface: #1d1a28;
    --text: #e4e0ee;
    --muted: #9d97b0;
    --border: #2d2840;
    --accent: #b19cf5;
    --accent-contrast: #131119;
    --accent-soft: rgba(177, 156, 245, 0.12);
    --copper: #e88ab5;
    --panel: #1c1926;
    --thumb: #181621;
    --card-top: 1px solid var(--border);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #131119;
  --bg-alt: #181621;
  --surface: #1d1a28;
  --text: #e4e0ee;
  --muted: #9d97b0;
  --border: #2d2840;
  --accent: #b19cf5;
  --accent-contrast: #131119;
  --accent-soft: rgba(177, 156, 245, 0.12);
  --copper: #e88ab5;
  --panel: #1c1926;
  --thumb: #181621;
  --card-top: 1px solid var(--border);
  color-scheme: dark;
}

/* ============================================================
   Base
   ============================================================ */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, figure { margin: 0; }
a { color: var(--accent); text-underline-offset: 3px; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; cursor: pointer; }
[hidden] { display: none !important; }

.mono { font-family: var(--mono); }
.muted { color: var(--muted); }

.skip-link {
  position: absolute; left: -999px; top: 0.5rem; z-index: 100;
  background: var(--accent); color: var(--accent-contrast); padding: 0.5rem 1rem;
}
.skip-link:focus { left: 0.5rem; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font: 700 1.05rem var(--mono); color: var(--text); text-decoration: none;
}
.mark { width: 26px; height: 26px; flex: none; color: var(--accent); }

.theme-toggle {
  background: var(--surface); color: var(--muted);
  border: 1px solid var(--border); padding: 0.3rem 0.7rem; font: 0.78rem var(--mono);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.back { font: 0.85rem var(--mono); text-decoration: none; }
.back:hover { text-decoration: underline; }

.btn-line {
  display: inline-flex; align-items: center; gap: 0.5rem; white-space: nowrap;
  padding: 0.55rem 1rem; border: 1px solid var(--accent);
  background: var(--surface); color: var(--accent);
  font-weight: 600; font-size: 0.92rem; text-decoration: none;
}
.btn-line:hover { background: var(--accent); color: var(--accent-contrast); }

/* Project illustrations (_includes/thumbs/) */
.pcb { fill: color-mix(in srgb, var(--accent) 18%, var(--surface)); stroke: var(--accent); stroke-width: 1.5; }
.chip-ic { fill: var(--text); opacity: 0.85; }
.pcb-trace { stroke: var(--copper); stroke-width: 2.5; fill: none; stroke-linecap: round; }
.pad { fill: var(--copper); }
.wave { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; }
.wave-2 { stroke: var(--copper); stroke-dasharray: 4 4; }
.opamp { fill: none; stroke: var(--text); stroke-width: 2.5; stroke-linejoin: round; }
.sym { fill: var(--text); font: 600 14px ui-monospace, monospace; }
.bits path { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; }
.bits path + path { stroke: var(--copper); }

/* Status badge (_includes/status.html). Planned: dashed. Ongoing: outlined. Across the line: tinted. */
.badge {
  display: inline-block; padding: 0.05rem 0.45rem; white-space: nowrap;
  font: 600 0.7rem/1.5 var(--mono); text-transform: uppercase; letter-spacing: 0.05em;
  border: 1px solid var(--border); color: var(--muted);
}
.badge.planned { border-style: dashed; }
.badge.ongoing { border-color: var(--accent); color: var(--accent); }
.badge.complete { background: var(--accent-soft); border-color: transparent; color: var(--accent); }

.tools { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.8rem 0 0; padding: 0; }
.tools li { font: 0.72rem var(--mono); border: 1px solid var(--border); padding: 0.1rem 0.5rem; }

.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  background: var(--surface); color: var(--muted);
  border: 1px solid var(--border); padding: 0.35rem 0.85rem; font-size: 0.85rem;
}
.chip small { font-family: var(--mono); opacity: 0.7; margin-left: 0.2rem; }
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.is-active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }

/* ============================================================
   Split layout: fixed side panel, scrolling content
   ============================================================ */
.split { display: grid; grid-template-columns: minmax(320px, 38vw) 1fr; min-height: 100vh; }

.panel {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 1.5rem;
  padding: 2.25rem 2.5rem;
  background: var(--panel); border-right: 1px solid var(--border);
}
.panel-top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

.wordmark {
  margin-top: auto;
  font-size: clamp(2.4rem, 4.2vw, 3.8rem); font-weight: 700; line-height: 0.95;
  letter-spacing: -0.04em; text-transform: uppercase;
}
.wordmark span { color: var(--accent); }

.panel-name { display: flex; flex-direction: column; margin-top: -0.4rem; font-weight: 600; font-size: 1.05rem; line-height: 1.35; }
.panel-name span { font-weight: 400; font-size: 0.9rem; color: var(--muted); }

/* Section links are numbered in order; links to other pages get an arrow. */
.panel-nav { display: flex; flex-direction: column; border-top: 1px solid var(--border); counter-reset: nav; }
.panel-nav a {
  display: flex; align-items: baseline; gap: 1rem; padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text); text-decoration: none; font-weight: 500;
}
.panel-nav a::before {
  counter-increment: nav; content: counter(nav, decimal-leading-zero);
  font: 500 0.78rem var(--mono); color: var(--accent); min-width: 1.2rem;
}
.panel-nav a.nav-out::before { counter-increment: none; content: "→"; }
.panel-nav a:hover { color: var(--accent); }

.content { min-width: 0; padding: 0 clamp(1.25rem, 5vw, 5rem); counter-reset: sec; }
.content > section { padding: 5rem 0; border-bottom: 1px solid var(--border); }

/* Sections number themselves (01, 02, …), so hidden sections leave no gap. */
.sec {
  display: flex; align-items: baseline; gap: 1rem; margin-bottom: 1.75rem;
  font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 650; line-height: 1.1; letter-spacing: -0.02em;
}
.sec::before {
  counter-increment: sec; content: counter(sec, decimal-leading-zero);
  font: 500 0.85rem var(--mono); color: var(--accent); letter-spacing: 0;
}
.sec-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; margin-bottom: 0.6rem; }
.sec-row .sec { margin-bottom: 0; }

.foot { display: flex; flex-wrap: wrap; gap: 0.4rem 1.5rem; padding: 2rem 0; font-size: 0.8rem; color: var(--muted); }

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .panel { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .wordmark { margin-top: 2.5rem; }
}

/* ============================================================
   Home
   ============================================================ */
.intro { min-height: 55vh; display: flex; flex-direction: column; justify-content: flex-end; }
@media (max-width: 900px) { .intro { min-height: 0; padding-top: 3.5rem; } }
.eyebrow { font-size: 0.9rem; color: var(--accent); margin-bottom: 1rem; }
.big { max-width: 22ch; font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 600; line-height: 1.2; letter-spacing: -0.025em; }
.status { display: flex; align-items: center; gap: 0.6rem; margin-top: 2rem; font-size: 0.9rem; }
.dot { display: inline-block; width: 10px; height: 10px; background: var(--accent); flex: none; }

.prose { max-width: 42rem; }
.prose > p { margin-bottom: 1rem; color: var(--muted); font-size: 1.12rem; }

.definition {
  margin-top: 2rem; padding: 1.2rem 1.4rem;
  border: 1px solid var(--border); border-left: 2px solid var(--accent);
}
.definition dfn { font-style: normal; font-weight: 650; font-size: 1.15rem; }
.def-pron { margin-left: 0.6rem; color: var(--muted); font-size: 0.9rem; }
.def-pos { margin-left: 0.6rem; color: var(--accent); font-style: italic; }
.definition ol { margin: 0.5rem 0 0; padding-left: 1.3rem; }
.def-etym { margin-top: 0.75rem; padding-top: 0.6rem; border-top: 1px dashed var(--border); font-size: 0.92rem; color: var(--muted); }
.def-etym .mono { margin-right: 0.4rem; color: var(--text); }

.feat-sub { margin-bottom: 1.5rem; color: var(--muted); }

/* Project cards: three across, all the same size. */
.cards-wrap { container-type: inline-size; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
@container (max-width: 640px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@container (max-width: 400px) { .cards { grid-template-columns: minmax(0, 1fr); } }

.card {
  position: relative; display: flex; flex-direction: column; height: 430px; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border); border-top: var(--card-top);
}
.card:hover { border-color: var(--accent); }
.card-media {
  display: flex; align-items: center; justify-content: center; flex: none;
  height: 140px; padding: 0.6rem; background: var(--thumb); border-bottom: 1px solid var(--border);
}
.card-media svg { width: 100%; height: 120px; }
.card-media:has(> img) { padding: 0; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-body { display: flex; flex-direction: column; flex: 1; min-height: 0; padding: 1rem 1.1rem 1.1rem; }
.card-meta { display: flex; align-items: center; gap: 0.6rem; font-size: 0.8rem; color: var(--muted); }
.card h3 {
  margin: 0.35rem 0 0.25rem; font-size: 1.15rem; font-weight: 600; line-height: 1.3; letter-spacing: -0.015em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
/* The title link covers the whole card. */
.card-link { color: var(--text); text-decoration: none; }
.card-link::after { content: ""; position: absolute; inset: 0; }
.card:hover .card-link { color: var(--accent); }
.card-sum {
  color: var(--muted); font-size: 0.95rem;
  display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden;
}
.card .tools { margin-top: auto; padding-top: 0.75rem; }

/* Experience: dotted timeline */
.exp { list-style: none; margin: 0; padding: 0; }
.exp li { position: relative; padding: 0 0 1.6rem 1.4rem; border-left: 2px solid var(--border); }
.exp li:last-child { padding-bottom: 0; }
.exp li::before { content: ""; position: absolute; left: -6px; top: 0.4rem; width: 10px; height: 10px; background: var(--accent); }
.exp .when { font: 0.85rem var(--mono); color: var(--accent); }
.exp h3 { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.015em; }
.exp h3 span { font-weight: 400; color: var(--muted); }
.exp p { color: var(--muted); }

/* Contact */
.emails { display: flex; flex-direction: column; gap: 0.9rem; margin-top: 1.25rem; }
.email-row { display: flex; align-items: center; flex-wrap: wrap; gap: 0.6rem 1rem; }
.mega {
  font-size: clamp(1.3rem, 2.6vw, 2rem); font-weight: 600; letter-spacing: -0.02em; line-height: 1.2;
  color: var(--text); text-decoration: none; overflow-wrap: anywhere;
}
.mega:hover { color: var(--accent); }
.email-alt .lbl { font: 0.75rem var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.email-alt a { font: 500 1.05rem var(--mono); text-decoration: none; overflow-wrap: anywhere; }
.email-alt a:hover { text-decoration: underline; }
.copy {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.3rem 0.7rem; background: var(--surface); color: var(--muted);
  border: 1px solid var(--border); font: 0.78rem var(--mono);
}
.copy svg { width: 14px; height: 14px; }
.copy:hover, .copy.done { border-color: var(--accent); color: var(--accent); }
.links { display: flex; gap: 1.5rem; margin-top: 1.5rem; font: 600 0.95rem var(--mono); }

/* ============================================================
   Project page
   ============================================================ */
.project-page .panel { gap: 1.1rem; }
.pj-meta { margin-top: auto; }
.pj-title { font-size: clamp(1.9rem, 3vw, 2.8rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.035em; }
.pj-sum { color: var(--muted); }
.pj-specs { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.pj-specs th, .pj-specs td { padding: 0.35rem 0; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
.pj-specs th { width: 42%; padding-right: 1rem; font-weight: 400; color: var(--muted); }
.pj-specs td { font-family: var(--mono); }
.repo { font-size: 0.85rem; text-decoration: none; }
.repo:hover { text-decoration: underline; }

.pj-hero {
  display: grid; place-items: center; margin-top: 3.5rem; padding: 2.5rem;
  background: var(--thumb); border: 1px solid var(--border); border-top: var(--card-top);
}
.pj-hero svg { width: min(100%, 440px); height: auto; }
.pj-hero:has(> img) { padding: 0; }
.pj-hero img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; }
.project-page .content > section { padding: 3.5rem 0; }
.prose .tools { margin-top: 1.5rem; }

/* Gallery: one row of three; with more images the third opens the viewer. */
.gallery { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.g-tile {
  position: relative; display: block; width: 100%; padding: 0; text-align: left;
  background: var(--surface); border: 1px solid var(--border); color: var(--text); text-decoration: none; cursor: zoom-in;
}
.g-tile:hover { border-color: var(--accent); }
.g-tile img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-bottom: 1px solid var(--border); }
.g-tile .cap {
  display: block; height: 2.5rem; padding: 0.55rem 0.8rem; line-height: 1.4rem;
  font-size: 0.85rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.g-tile.more { cursor: pointer; }
.g-tile.more img { filter: grayscale(1); }
.g-over {
  position: absolute; top: 0; left: 0; right: 0; aspect-ratio: 4 / 3;
  display: flex; align-items: center; justify-content: center; gap: 0.3rem;
  background: color-mix(in srgb, var(--bg-alt) 72%, transparent); font-weight: 600;
}
.g-over b { font-family: var(--mono); color: var(--accent); }
.g-tile.more:hover .g-over { color: var(--accent); }
.g-tile.more .cap { font: 0.8rem/1.4rem var(--mono); color: var(--accent); }
@media (max-width: 560px) { .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); } .gallery li:nth-child(3) { display: none; } }

/* Gallery viewer */
.viewer {
  width: min(1200px, 94vw); height: min(760px, 90vh); max-width: none; max-height: none; padding: 0;
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
}
.viewer[open] { display: grid; grid-template-columns: minmax(0, 1fr) 320px; }
.viewer::backdrop { background: rgba(0, 0, 0, 0.6); }
.v-stage { position: relative; display: grid; place-items: center; min-height: 0; overflow: hidden; padding: 1rem; background: var(--bg-alt); }
.v-img { max-width: 100%; max-height: 100%; object-fit: contain; opacity: 0; transition: opacity 0.2s ease; }
.v-img.in { opacity: 1; }
.v-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 2.6rem; height: 2.6rem; padding: 0; font-size: 1.1rem;
  background: var(--surface); border: 1px solid var(--border);
}
.v-nav:hover { border-color: var(--accent); color: var(--accent); }
.v-prev { left: 1rem; }
.v-next { right: 1rem; }
.v-count { position: absolute; left: 1rem; bottom: 1rem; padding: 0.1rem 0.5rem; font-size: 0.78rem; background: var(--surface); border: 1px solid var(--border); }
.v-side { display: flex; flex-direction: column; gap: 0.75rem; min-height: 0; padding: 1.25rem; border-left: 1px solid var(--border); }
.v-head { display: flex; justify-content: space-between; align-items: center; }
.v-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.v-close { padding: 0.2rem 0.6rem; background: none; border: 1px solid var(--border); font: 0.8rem var(--mono); }
.v-close:hover { border-color: var(--accent); color: var(--accent); }
.v-name { font-size: 1.25rem; font-weight: 600; line-height: 1.3; }
.v-desc { color: var(--muted); font-size: 0.95rem; }
.v-desc a { font: 0.85rem var(--mono); }
.v-thumbs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.5rem;
  margin-top: auto; padding-top: 1rem; overflow-y: auto; border-top: 1px solid var(--border);
}
.v-thumbs button { padding: 0; background: none; border: 2px solid transparent; opacity: 0.6; }
.v-thumbs button:hover { opacity: 1; }
.v-thumbs button[aria-selected="true"] { border-color: var(--accent); opacity: 1; }
.v-thumbs img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
@media (max-width: 800px) {
  .viewer[open] { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; height: 94vh; }
  .v-side { border-left: 0; border-top: 1px solid var(--border); }
  .v-thumbs { grid-template-columns: repeat(6, 1fr); margin-top: 0; }
}

/* Updates timeline: one box per update, joined by a trace down the left. */
.updates { list-style: none; position: relative; max-width: 44rem; margin: 0; padding: 0 0 0 28px; }
.updates::before { content: ""; position: absolute; left: 7px; top: 22px; bottom: 22px; width: 2px; background: var(--border); }
.updates li { position: relative; padding: 1rem 1.25rem 1.15rem; background: var(--surface); border: 1px solid var(--border); }
.updates li + li { margin-top: 1.25rem; }
/* Square pad on the trace, with a short stub out to the box. */
.updates li::before { content: ""; position: absolute; left: -26px; top: 17px; width: 10px; height: 10px; background: var(--accent); }
.updates li::after { content: ""; position: absolute; left: -16px; top: 21px; width: 15px; height: 2px; background: var(--border); }
.updates li.is-target { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.updates time { display: block; margin-bottom: 0.15rem; font: 0.8rem var(--mono); color: var(--accent); }
.updates h3 { margin-bottom: 0.35rem; font-size: 1.1rem; font-weight: 600; }
.u-body { color: var(--muted); font-size: 0.97rem; }
.u-body > * { margin: 0; }
.u-body > * + * { margin-top: 0.75rem; }
.u-body img { width: 100%; height: auto; max-height: 360px; object-fit: cover; border: 1px solid var(--border); }
.u-body img.zoomable { cursor: zoom-in; }
.u-body pre { padding: 0.75rem 1rem; overflow-x: auto; font-size: 0.85rem; background: var(--bg-alt); border: 1px solid var(--border); }

/* Commits on main, drawn by assets/js/project.js */
.commits { max-width: 44rem; background: var(--surface); border: 1px solid var(--border); }
.commits-head { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem 1rem; padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); font-weight: 600; }
.commits-head a { font: 400 0.8rem var(--mono); }
.commit-status { margin: 0; padding: 1rem; color: var(--muted); font-size: 0.9rem; }
.commit-list { position: relative; max-height: 560px; overflow-y: auto; }
.commit-graph { position: absolute; top: 0; left: 0; }
.commit-list ol { list-style: none; margin: 0; padding: 0; }
.commit {
  display: flex; flex-direction: column; justify-content: center;
  height: 56px; padding: 0 1rem 0 calc(var(--graph-w, 24px) + 0.4rem);
  color: var(--text); text-decoration: none; border-bottom: 1px solid var(--border);
}
.commit:hover { background: var(--bg-alt); }
.commit:hover .commit-msg { color: var(--accent); }
.commit-msg { font-size: 0.88rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.commit-meta { font-size: 0.72rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.commits-foot { display: block; margin-top: -1px; padding: 0.65rem 1rem; font-size: 0.85rem; text-decoration: none; border-top: 1px solid var(--border); }
.commits-foot:hover { text-decoration: underline; }

/* ============================================================
   Portfolio page and 404
   ============================================================ */
.pf-top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 2rem; height: 64px; padding: 0 clamp(1rem, 4vw, 3rem);
  background: var(--bg); border-bottom: 1px solid var(--border);
}
.pf-top .brand { margin-right: auto; }
.pf-top nav { display: flex; gap: 1.5rem; }
.pf-top nav a { padding: 0.3rem 0; color: var(--muted); font-size: 0.95rem; text-decoration: none; }
.pf-top nav a:hover { color: var(--text); }
.pf-top nav a[aria-current] { color: var(--text); box-shadow: inset 0 -2px 0 var(--accent); }

.pf { max-width: 1200px; margin: 0 auto; padding: 2rem clamp(1rem, 4vw, 3rem) 0; }
.pf-head {
  display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 2rem;
  margin-bottom: 2rem; padding: 2rem 0 2.25rem; border-bottom: 1px solid var(--border);
}
.pf-eyebrow { margin-bottom: 0.5rem; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); }
.pf-head h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 650; line-height: 1.1; letter-spacing: -0.03em; }
.pf-lede { max-width: 40rem; margin-top: 0.75rem; font-size: 1.08rem; color: var(--muted); }
.pf-stats { display: flex; margin: 0; background: var(--surface); border: 1px solid var(--border); }
.pf-stats div { min-width: 7.5rem; padding: 0.7rem 1.2rem; }
.pf-stats div + div { border-left: 1px solid var(--border); }
.pf-stats dt { font: 0.72rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.pf-stats dd { margin: 0; font-size: 1.6rem; font-weight: 650; line-height: 1.2; }
.pf-bar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.pf-count { font-size: 0.85rem; color: var(--muted); }
.pf-empty { padding: 3rem 0; color: var(--muted); }

.pf-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.5rem; }
.pf-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-top: var(--card-top); }
.pf-card:hover { border-left-color: var(--accent); border-right-color: var(--accent); border-bottom-color: var(--accent); }
.pf-img {
  display: flex; align-items: center; justify-content: center; aspect-ratio: 16 / 10; overflow: hidden;
  background: var(--thumb); border-bottom: 1px solid var(--border);
}
.pf-img svg { width: 75%; height: auto; }
.pf-img img { width: 100%; height: 100%; object-fit: cover; }
.pf-body { display: flex; flex-direction: column; flex: 1; gap: 0.45rem; padding: 1.1rem 1.25rem 1.25rem; }
.feat { margin-left: auto; font: 0.7rem var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--copper); }
.pf-body h2 { font-size: 1.2rem; font-weight: 600; line-height: 1.3; letter-spacing: -0.015em; }
.pf-body h2 a { color: var(--text); text-decoration: none; }
.pf-card:hover h2 a { color: var(--accent); }
.pf-body .card-sum { -webkit-line-clamp: 5; }
.pf-body .tools { margin-top: auto; padding-top: 0.6rem; }
.pf .foot { margin-top: 3rem; border-top: 1px solid var(--border); }

@media (max-width: 1000px) { .pf-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .pf-head { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .pf-grid { grid-template-columns: 1fr; } .pf-top nav { display: none; } .pf-bar { flex-direction: column; align-items: flex-start; } }

.nf { max-width: 44rem; min-height: 100vh; margin: 0 auto; padding: 3rem clamp(1rem, 4vw, 2rem); display: flex; flex-direction: column; justify-content: center; gap: 1.25rem; }
.nf h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 650; line-height: 1.1; letter-spacing: -0.03em; }
.nf h1 span { color: var(--accent); }
.nf .btn-line { align-self: flex-start; }

/* ============================================================
   Motion preferences
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}