/* sincxpress.com: one stylesheet for every page.
   Palette (corporate colors): 6187FF 57BDC9 FF9366 E5E55C E57373 DDE2F4, background 212121.
   Each page or card sets --accent / --accent-rgb to its topic color. */

@font-face { font-family: "Inter"; font-weight: 400; font-display: swap; src: url(fonts/inter-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 500; font-display: swap; src: url(fonts/inter-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Inter"; font-weight: 600; font-display: swap; src: url(fonts/inter-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-weight: 500; font-display: swap; src: url(fonts/space-grotesk-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-weight: 600; font-display: swap; src: url(fonts/space-grotesk-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-weight: 700; font-display: swap; src: url(fonts/space-grotesk-latin-700-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; font-display: swap; src: url(fonts/jetbrains-mono-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "JetBrains Mono"; font-weight: 500; font-display: swap; src: url(fonts/jetbrains-mono-latin-500-normal.woff2) format("woff2"); }

:root {
  --bg: #212121;
  --text: #DDE2F4;
  --muted: rgba(221, 226, 244, 0.72);
  --soft: rgba(221, 226, 244, 0.80);
  --line: rgba(221, 226, 244, 0.14);
  --surface: rgba(221, 226, 244, 0.04);
  --blue: #6187FF; --teal: #57BDC9; --orange: #FF9366; --yellow: #E5E55C; --red: #E57373; --lavender: #DDE2F4;
  --accent: #6187FF; --accent-rgb: 97, 135, 255;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Space Grotesk", "Inter", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.6 var(--sans); }
[hidden] { display: none !important; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { color: var(--text); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--yellow); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--display); margin: 0; letter-spacing: -0.02em; }
h1 { font-weight: 700; }
h2 { font-weight: 600; font-size: clamp(1.8rem, 3.2vw, 2.6rem); line-height: 1.12; }
h3 { font-weight: 600; font-size: 22px; line-height: 1.25; letter-spacing: -0.01em; }
p { margin: 0; }
svg { flex: none; }

.wrap { max-width: 1200px; margin: 0 auto; padding-inline: clamp(20px, 5vw, 48px); }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--yellow); color: #212121; padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- header / footer ---------- */
.site-header { border-bottom: 1px solid var(--line); }
.header-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 4px 28px; padding-block: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: var(--text); text-decoration: none; font: 700 21px var(--display); letter-spacing: -0.01em; }
.brand:hover { color: var(--text); }
.main-nav { display: flex; flex-wrap: wrap; gap: 0 26px; font-weight: 500; font-size: 15px; }
.main-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); text-decoration: none; }
.main-nav a:hover { color: var(--text); }
.main-nav a[aria-current="page"] { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; text-underline-offset: 8px; }

.site-footer { border-top: 1px solid var(--line); margin-top: 24px; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px 40px; padding-block: 36px 48px; font-size: 14px; color: var(--muted); }
.footer-about { display: flex; flex-direction: column; gap: 6px; max-width: 540px; }
.footer-brand { font: 700 17px var(--display); color: var(--text); }
.footer-nav { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 0 22px; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 44px; color: var(--text); text-decoration: none; }
.footer-nav a:hover { text-decoration: underline; }

/* ---------- type helpers ---------- */
.eyebrow { font: 500 13px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.lede { font-size: 18px; line-height: 1.65; color: var(--soft); max-width: 640px; }
.section-lede { margin-top: 12px; font-size: 17px; color: var(--muted); max-width: 680px; }
.meta { font: 400 13px/1.5 var(--mono); color: var(--muted); }
.blurb { font-size: 15px; line-height: 1.6; color: var(--soft); }
.kind { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 8px; font: 500 12px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.tag { margin-left: 4px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); letter-spacing: 0.04em; }

/* ---------- buttons and links ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 46px; padding: 0 20px; border-radius: 12px; background: var(--accent); color: #212121; font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid var(--accent); }
.btn:hover { color: #212121; filter: brightness(1.08); }
.btn-lg { min-height: 50px; padding: 0 22px; font-size: 16px; }
.btn-ghost { background: transparent; color: var(--text); border-color: rgba(221, 226, 244, 0.26); font-weight: 500; }
.btn-ghost:hover { color: var(--text); border-color: var(--text); }
.textlink { display: inline-flex; align-items: center; min-height: 44px; color: var(--accent); font-weight: 500; font-size: 15px; }
a.plain { color: inherit; text-decoration: none; }
a.plain:hover { text-decoration: underline; }

/* ---------- layout ---------- */
.section { padding-block: 56px; }
.section-last { padding-bottom: 80px; }
.grid { display: grid; gap: 20px; margin-top: 30px; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid-items { grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }

.card { display: flex; flex-direction: column; gap: 12px; padding: 26px; border-radius: 18px; border: 1px solid var(--line); background: var(--surface); min-width: 0; }
.card .actions { margin-top: auto; padding-top: 6px; display: flex; flex-wrap: wrap; align-items: center; gap: 4px 18px; }
.card.item.wip { border: 1.5px dashed rgba(var(--accent-rgb), 0.5); background: transparent; }

/* ---------- home: hero ---------- */
.hero { display: flex; flex-wrap: wrap; align-items: center; gap: 40px 56px; padding-block: 72px 40px; }
.hero-text { flex: 1 1 460px; min-width: 0; display: flex; flex-direction: column; gap: 22px; }
.hero-text .eyebrow { margin: 0; }
.hero h1 { font-size: clamp(2.5rem, 5.2vw, 4.1rem); line-height: 1.04; letter-spacing: -0.025em; }
.hero .lede { font-size: 19px; max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 6px; }
.hero-art { flex: 1 1 420px; min-width: 0; max-width: 560px; }
.ridgeline { display: block; width: 100%; height: auto; }
.ridgeline .hf { fill: var(--bg); stroke: none; }
.ridgeline .hl { fill: none; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }

/* ---------- home: curriculum map ---------- */
.map-box { margin-top: 30px; border: 1px solid var(--line); border-radius: 18px; background: rgba(221, 226, 244, 0.025); padding: 8px; }
.map-wide { display: block; width: 100%; height: auto; max-width: 1072px; margin: 0 auto; }
.map-wide .map-t { font: 600 18px var(--display); fill: var(--text); }
.map-wide .map-s { font: 400 12px var(--mono); }
.map-wide .map-col { font: 500 12px var(--mono); letter-spacing: 0.1em; fill: rgba(221, 226, 244, 0.62); }
.map-wide .map-card rect { transition: stroke-width 0.15s; }
.map-wide .map-card:hover rect, .map-wide .map-card:focus rect { stroke-width: 3.5; }
.map-wide .map-card:focus { outline: none; }
.map-narrow { display: none; list-style: none; margin: 0; padding: 16px 12px; }
.map-stage { display: flex; flex-direction: column; gap: 10px; }
.map-stage-label { font: 500 12px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: rgba(221, 226, 244, 0.62); }
.map-chip { display: flex; flex-direction: column; gap: 2px; padding: 14px 18px; border-radius: 14px; border: 1.5px solid var(--c); background: rgba(var(--rgb), 0.08); color: var(--text); text-decoration: none; }
.map-chip:hover { color: var(--text); background: rgba(var(--rgb), 0.16); }
.map-chip-name { font: 600 18px/1.3 var(--display); }
.map-chip-sub { font: 400 12px var(--mono); color: var(--c); }
.map-down { display: flex; justify-content: center; color: rgba(221, 226, 244, 0.5); padding: 4px 0 8px; }
@media (max-width: 760px) {
  .map-wide { display: none; }
  .map-narrow { display: block; }
}

/* ---------- home: topic and Substack cards ---------- */
.topic-card { color: var(--text); text-decoration: none; transition: border-color 0.15s, background 0.15s; }
.topic-card:hover { color: var(--text); border-color: var(--accent); background: rgba(var(--accent-rgb), 0.06); }
.topic-card h3 { font-size: 23px; }
.topic-card .meta { margin-top: auto; padding-top: 8px; }
.topic-card .more { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: var(--accent); }
.sub-card .latest { display: flex; flex-direction: column; gap: 6px; padding-top: 14px; border-top: 1px solid var(--line); }
.sub-card .latest h3 { font-size: 19px; }
.sub-card .latest h3 a { color: var(--text); text-decoration: none; }
.sub-card .latest h3 a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.latest-label { font: 500 12px var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.teaser { font-size: 14px; color: var(--muted); }

/* ---------- topic hubs ---------- */
.topic-head { padding-block: 24px 40px; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font: 400 13px var(--mono); color: var(--muted); }
.crumbs a { display: inline-flex; align-items: center; min-height: 44px; color: var(--soft); }
.crumbs [aria-current] { color: var(--text); }
.topic-head-row { margin-top: 16px; display: flex; flex-wrap: wrap; align-items: flex-start; gap: 36px 56px; }
.topic-intro { flex: 999 1 560px; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.topic-intro h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); line-height: 1; letter-spacing: -0.03em; }
.topic-tagline { font: 500 clamp(1.2rem, 2vw, 1.5rem)/1.35 var(--display); color: var(--accent); }
.glance { flex: 1 1 300px; min-width: 0; padding: 24px 26px; border-radius: 18px; border: 1px solid rgba(var(--accent-rgb), 0.5); background: rgba(var(--accent-rgb), 0.08); }
.glance .kind { margin-bottom: 14px; }
.glance dl { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 10px 20px; font-size: 15px; }
.glance dt { color: var(--muted); }
.glance dd { margin: 0; }
.path-if { font: 600 20px/1.3 var(--display); color: var(--accent); }
.list-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px 32px; }
.list-head + .grid { margin-top: 26px; }
.fit-card { color: var(--text); text-decoration: none; border-color: rgba(var(--rgb), 0.6); background: rgba(var(--rgb), 0.06); }
.fit-card:hover { color: var(--text); background: rgba(var(--rgb), 0.12); }
.fit-label { font: 500 12px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--c); }
.fit-name { font: 600 22px/1.25 var(--display); }
.empty-note { margin-top: 24px; color: var(--muted); }

/* ---------- filter chips and Browse all ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { min-height: 44px; padding: 0 16px; border-radius: 999px; border: 1px solid rgba(221, 226, 244, 0.22); background: transparent; color: var(--text); font: 500 15px var(--sans); cursor: pointer; }
.chip:hover { border-color: var(--text); }
.chip[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #212121; font-weight: 600; }
.chip-topic { display: inline-flex; align-items: center; gap: 8px; }
.chip-topic::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--c); }
.chip-topic[aria-pressed="true"] { background: var(--c); border-color: var(--c); }
.chip-topic[aria-pressed="true"]::before { background: #212121; }
.browse-title { font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1.05; margin: 18px 0 14px; }
.browse-controls { display: flex; flex-direction: column; gap: 14px; margin-top: 30px; }
.search { display: flex; align-items: center; gap: 10px; max-width: 520px; min-height: 48px; padding: 0 16px; border-radius: 12px; border: 1px solid rgba(221, 226, 244, 0.22); color: var(--muted); }
.search:focus-within { border-color: var(--accent); }
.search input { flex: 1; min-width: 0; background: transparent; border: 0; color: var(--text); font: 400 16px var(--sans); padding: 12px 0; }
.search input:focus { outline: none; }
.result-count { font: 400 13px var(--mono); color: var(--muted); }
.topic-badges { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.topic-badges span { display: inline-flex; align-items: center; gap: 6px; font: 400 12px var(--mono); color: var(--c); }
.topic-badges span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--c); }

/* ---------- small screens ---------- */
@media (max-width: 600px) {
  .header-row { padding-block: 8px; }
  .main-nav { gap: 0 20px; }
  .hero { padding-block: 36px 24px; gap: 28px; }
  .hero .lede { font-size: 17px; }
  .section { padding-block: 40px; }
  .card { padding: 22px; }
  .lede { font-size: 17px; }
  /* filter rows scroll sideways instead of wrapping into many lines */
  .browse-controls .chips { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none;
    margin-inline: calc(-1 * clamp(20px, 5vw, 48px)); padding-inline: clamp(20px, 5vw, 48px); }
  .browse-controls .chips::-webkit-scrollbar { display: none; }
  .browse-controls .chip { flex: none; white-space: nowrap; }
}