@import url('https://fonts.googleapis.com/css2?family=Bodoni+Moda:opsz,wght@6..96,400;6..96,700;6..96,800&family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500;600&display=swap');

/* ---------- Tokens ---------- */
:root {
  --theme: dark;
  color-scheme: dark;
  --bg: #12100E;
  --panel: #1C1916;
  --panel-2: #16130F;
  --panel-3: #1A1713;
  --deep: #0D0B09;
  --line: #2A2520;
  --line-soft: #1E1B18;
  --gold: #C9A86A;
  --gold-rgb: 201, 168, 106;
  --ink: #EAE2D6;
  --ink-rgb: 234, 226, 214;
  --ink-2: #D8CEBE;
  --ink-3: #B8AD9D;
  --muted: #9A8E82;
  --muted-2: #7A7268;
  --muted-3: #6B635A;
  --muted-4: #5A544E;
  --caption: #8A8278;
  --header-bg: rgba(18, 16, 14, 0.9);
  --hover-bg: #25201C;
  --shadow-a: 0.6;
  /* "What the Book Argues" band: light paper in the dark theme */
  --paper: #ECE6D9;
  --paper-body: #12100E;
  --paper-ink: #2A2520;
  --paper-muted: #8C7B62;
  --paper-aside: #5A5248;
  --paper-gold: #C9A86A;
  --paper-gold-rgb: 201, 168, 106;
  --status-bg: rgba(255, 255, 255, 0.5);
  --sun: inline;
  --moon: none;
  --header-h: 64px;
  --font-display: "Bodoni Moda", "Instrument Serif", Georgia, serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-sans: "Inter", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* Light theme: follows the OS unless the visitor has chosen dark, and is forced by data-theme="light". */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --theme: light;
    color-scheme: light;
    --bg: #F6F2EA;
    --panel: #FCFAF5;
    --panel-2: #EFE8DA;
    --panel-3: #EEE6D6;
    --deep: #EAE2D3;
    --line: #D9CFBB;
    --line-soft: #E4DCCB;
    --gold: #7E5D23;
    --gold-rgb: 126, 93, 35;
    --ink: #1F1A15;
    --ink-rgb: 31, 26, 21;
    --ink-2: #332B22;
    --ink-3: #4B4238;
    --muted: #625848;
    --muted-2: #6E6352;
    --muted-3: #6A5F4E;
    --muted-4: #675C4B;
    --caption: #6A5F4E;
    --header-bg: rgba(246, 242, 234, 0.9);
    --hover-bg: #EFE7D6;
    --shadow-a: 0.2;
    /* the same band flips to a dark paper in the light theme */
    --paper: #1F1B17;
    --paper-body: #F1EADD;
    --paper-ink: #E3D9CA;
    --paper-muted: #C1AD88;
    --paper-aside: #C4B9A9;
    --paper-gold: #D2B36F;
    --paper-gold-rgb: 210, 179, 111;
    --status-bg: rgba(255, 255, 255, 0.05);
    --sun: none;
    --moon: inline;
  }
}
:root[data-theme="light"] {
  --theme: light;
  color-scheme: light;
  --bg: #F6F2EA;
  --panel: #FCFAF5;
  --panel-2: #EFE8DA;
  --panel-3: #EEE6D6;
  --deep: #EAE2D3;
  --line: #D9CFBB;
  --line-soft: #E4DCCB;
  --gold: #7E5D23;
  --gold-rgb: 126, 93, 35;
  --ink: #1F1A15;
  --ink-rgb: 31, 26, 21;
  --ink-2: #332B22;
  --ink-3: #4B4238;
  --muted: #625848;
  --muted-2: #6E6352;
  --muted-3: #6A5F4E;
  --muted-4: #675C4B;
  --caption: #6A5F4E;
  --header-bg: rgba(246, 242, 234, 0.9);
  --hover-bg: #EFE7D6;
  --shadow-a: 0.2;
  /* the same band flips to a dark paper in the light theme */
  --paper: #1F1B17;
  --paper-body: #F1EADD;
  --paper-ink: #E3D9CA;
  --paper-muted: #C1AD88;
  --paper-aside: #C4B9A9;
  --paper-gold: #D2B36F;
  --paper-gold-rgb: 210, 179, 111;
  --status-bg: rgba(255, 255, 255, 0.05);
  --sun: none;
  --moon: inline;
}


/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px; /* keeps anchor targets clear of the sticky header */
  -webkit-text-size-adjust: 100%;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p, ul, blockquote { margin: 0; }
ul { padding: 0; list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; }

.font-display { font-family: var(--font-display); }
.font-serif { font-family: var(--font-serif); }
.font-mono { font-family: var(--font-mono); }

.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  opacity: 0.04;
  mix-blend-mode: soft-light;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 980px; margin: 0 auto; padding: 0 24px; }
@media (min-width: 1024px) {
  .wrap, .wrap-narrow { padding: 0 40px; }
}

.section { padding: 64px 0; }
@media (min-width: 1024px) { .section { padding: 96px 0; } }
.section-top { border-top: 1px solid var(--line-soft); }

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.h2 {
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 0.95;
  letter-spacing: -0.02em;
  font-weight: 400;
}
.h2 em, .h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}
@media (min-width: 768px) { .h2 { font-size: 44px; } }

.body-text { font-size: 15px; line-height: 1.7; color: var(--ink-3); }
.small-muted { font-size: 13px; line-height: 1.7; color: var(--muted); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(24px);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--line);
}
.header-bar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-left { display: flex; align-items: center; gap: 40px; }
.brand {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  white-space: nowrap;
}
.brand span { color: var(--gold); }
@media (max-width: 480px) {
  .brand { font-size: 11px; letter-spacing: 0.16em; }
  .header-right { gap: 8px; }
}

.nav { display: none; align-items: center; gap: 28px; }
@media (min-width: 1200px) { .nav { display: flex; } }
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.15s;
}
.nav-link .caret { font-size: 9px; opacity: 0.6; }
.nav-item:hover > .nav-link,
.nav-item:focus-within > .nav-link,
.nav-link.is-active { color: var(--gold); }
.nav-item:hover .caret, .nav-item:focus-within .caret { opacity: 1; }

.menu {
  position: absolute;
  left: 0;
  top: 100%;
  padding-top: 8px; /* bridges the hover gap between link and menu */
  min-width: 210px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s, visibility 0.15s;
}
.menu-inner {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, var(--shadow-a));
}
.nav-item:hover > .menu,
.nav-item:focus-within > .menu { opacity: 1; visibility: visible; }
.menu a {
  display: block;
  padding: 10px 16px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: none;
}
.menu a:hover, .menu a:focus-visible, .menu a.is-active {
  background: var(--hover-bg);
  color: var(--gold);
  outline: none;
}

.header-right { display: flex; align-items: center; gap: 16px; }
.header-tag {
  display: none;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
@media (min-width: 1600px) { .header-tag { display: block; } }
.menu-toggle {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  background: none;
  border: 1px solid var(--line);
  color: var(--gold);
}
@media (min-width: 1200px) { .menu-toggle { display: none; } }

.theme-toggle {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  padding: 0;
  background: none;
  border: 1px solid var(--line);
  color: var(--gold);
  transition: border-color 0.15s, background-color 0.15s;
}
.theme-toggle:hover { border-color: var(--gold); }
.theme-toggle svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .icon-sun { display: var(--sun); }
.theme-toggle .icon-moon { display: var(--moon); }

.mobile-menu {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding: 20px 24px 24px;
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
}
.mobile-menu.is-open { display: block; }
@media (min-width: 1200px) { .mobile-menu, .mobile-menu.is-open { display: none; } }
.mobile-menu .group { padding: 10px 0; border-bottom: 1px solid var(--line-soft); }
.mobile-menu .group:last-child { border-bottom: 0; }
.mobile-menu .top {
  display: block;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 0;
}
.mobile-menu .top.is-active, .mobile-menu .sub a.is-active { color: var(--gold); }
.mobile-menu .sub { padding: 4px 0 0 14px; }
.mobile-menu .sub a {
  display: block;
  padding: 6px 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 16px 40px;
  border: 1px solid;
  transition: background-color 0.15s, color 0.15s;
}
.btn-dark { background: var(--deep); color: var(--ink); border-color: rgba(var(--ink-rgb), 0.2); }
.btn-dark:hover { background: var(--ink); color: var(--bg); }
.btn-outline { background: transparent; color: var(--gold); border-color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: var(--bg); }
/* placeholder buttons whose real link (Stripe, booking page, form) isn't set yet */
.btn[aria-disabled="true"] { opacity: 0.55; pointer-events: none; }

/* ---------- Hero ---------- */
.hero { padding-top: 64px; padding-bottom: 16px; }
@media (min-width: 1024px) { .hero { padding-top: 96px; } }
.hero-inner { text-align: center; max-width: 900px; margin: 0 auto; }
.byline {
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 24px;
}
.h1 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.02em;
  font-size: 44px;
}
.h1 em { color: var(--ink); }
@media (min-width: 768px) { .h1 { font-size: 68px; } }
@media (min-width: 1024px) { .h1 { font-size: 84px; } }
.subtitle {
  margin-top: 24px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: rgba(var(--gold-rgb), 0.9);
}
@media (min-width: 768px) { .subtitle { font-size: 22px; } }

.cover-stage { position: relative; width: 280px; margin: 48px auto 0; }
@media (min-width: 768px) { .cover-stage { width: 320px; } }
@media (min-width: 1024px) { .cover-stage { margin-top: 64px; } }
.cover-glow {
  position: absolute;
  inset: -40px;
  background: rgba(var(--gold-rgb), 0.2);
  filter: blur(60px);
  border-radius: 9999px;
}
.cover-glow-2 {
  position: absolute;
  inset: -8px;
  background: linear-gradient(to bottom, rgba(var(--gold-rgb), 0.3), transparent);
  opacity: 0.4;
  filter: blur(24px);
}
.cover-front {
  position: relative;
  width: 100%;
  box-shadow: 0 30px 80px rgba(0, 0, 0, var(--shadow-a)), 0 0 0 1px rgba(var(--gold-rgb), 0.2);
}
.cover-back {
  display: none;
  position: absolute;
  bottom: -24px;
  right: -48px;
  width: 38%;
  opacity: 0.3;
  mix-blend-mode: luminosity;
  pointer-events: none;
}
@media (min-width: 768px) { .cover-back { display: block; } }

.pull-quote {
  margin: 40px auto 0;
  max-width: 560px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-2);
}
@media (min-width: 768px) { .pull-quote { font-size: 20px; } }
.cta-row {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  justify-content: center;
}
@media (min-width: 640px) { .cta-row { flex-wrap: wrap; } }
@media (min-width: 640px) { .cta-row { flex-direction: row; } }
.dual-entry {
  margin-top: 24px;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* ---------- Buy direct ---------- */
.direct { margin-top: 64px; text-align: center; }
@media (min-width: 1024px) { .direct { margin-top: 80px; } }
.direct-lede { margin: 12px auto 0; max-width: 560px; font-size: 14px; line-height: 1.7; color: var(--muted); }
.direct-grid { display: grid; gap: 20px; margin-top: 32px; text-align: left; }
@media (min-width: 768px) { .direct-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .direct-grid { grid-template-columns: repeat(4, 1fr); } }
.direct-tile { display: flex; flex-direction: column; }
.direct-tile p { flex: 1; }
.direct-tile .price { margin: 20px 0 16px; font-family: var(--font-display); font-size: 18px; color: var(--ink-2); }
.direct-tile .btn { padding: 14px 16px; }
.direct .retail-note { margin-top: 16px; }

/* ---------- Retailer strip ---------- */
.retail { padding-bottom: 16px; }
.retail-box {
  margin-top: 64px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 32px 0;
  text-align: center;
}
@media (min-width: 1024px) { .retail-box { margin-top: 80px; } }
.retail-label {
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 24px;
}
.retail-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 32px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.025em;
  color: var(--ink-3);
}
@media (min-width: 768px) { .retail-list { font-size: 15px; } }
.retail-list a { opacity: 0.8; transition: opacity 0.15s, color 0.15s; padding: 4px 0; }
.retail-list a:hover, .retail-list a:focus-visible { opacity: 1; color: var(--ink); }
.retail-note {
  margin-top: 20px;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-3);
}

/* ---------- The Reality of the Book ---------- */
.two-col { display: grid; gap: 48px; align-items: start; }
@media (min-width: 1024px) {
  .two-col-reality { grid-template-columns: 1.1fr 1fr; gap: 80px; }
}
.proof {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 16px;
}
@media (min-width: 768px) { .proof { padding: 24px; } }
.proof-main {
  position: relative;
  background: var(--deep);
  padding: 24px 0;
}
.proof-main img { margin: 0 auto; max-height: 520px; width: auto; box-shadow: 0 0 0 1px rgba(var(--gold-rgb), 0.15); }
.proof-row { margin-top: 16px; display: flex; gap: 12px; }
.proof-row img {
  width: 80px;
  height: 112px;
  object-fit: cover;
  border: 1px solid var(--line);
  opacity: 0.7;
  flex: none;
}
.proof-row .note { font-size: 11px; line-height: 1.5; color: var(--muted); }
.proof-row .note b {
  display: block;
  font-weight: 400;
  color: var(--gold);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.proof-cap {
  margin-top: 16px;
  padding-left: 12px;
  border-left: 2px solid rgba(var(--gold-rgb), 0.4);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: var(--caption);
}
.checks { margin-top: 32px; display: grid; gap: 12px; }
.checks li { display: flex; gap: 12px; font-size: 13px; color: var(--ink-2); }
.checks li::before { content: "—"; color: var(--gold); margin-top: 2px; }

/* ---------- What the Book Argues (light) ---------- */
.paper { --gold: var(--paper-gold); --gold-rgb: var(--paper-gold-rgb); background: var(--paper); color: var(--paper-body); padding: 64px 0; }
@media (min-width: 1024px) { .paper { padding: 96px 0; } }
.paper .eyebrow { color: var(--paper-muted); margin-bottom: 24px; }
.argues-grid { display: grid; gap: 48px; }
@media (min-width: 768px) { .argues-grid { grid-template-columns: 1.2fr 0.8fr; } }
.paper .h2 { font-size: 36px; }
@media (min-width: 768px) { .paper .h2 { font-size: 48px; } }
.prose {
  margin-top: 32px;
  display: grid;
  gap: 20px;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.6;
  color: var(--paper-ink);
}
.prose em { font-family: var(--font-display); font-style: normal; font-weight: 700; }
.callout {
  margin-top: 32px;
  border-left: 2px solid var(--gold);
  padding-left: 20px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.aside { font-size: 13px; line-height: 1.7; color: var(--paper-aside); display: grid; gap: 16px; padding-top: 8px; align-content: start; }
.aside .status { border: 1px solid rgba(var(--gold-rgb), 0.3); padding: 16px; background: var(--status-bg); }
.aside .status b {
  display: block;
  font-weight: 400;
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--paper-muted);
  margin-bottom: 8px;
}
.aside .q-label { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; }
.aside ul { list-style: disc; padding-left: 16px; display: grid; gap: 8px; }
.aside li::marker { color: var(--gold); }

/* ---------- Placeholder bands (TOC / Sample / Author / Media / Speaking) ---------- */
.placeholder-grid { display: grid; gap: 20px; }
@media (min-width: 768px) { .placeholder-grid.cols-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 768px) { .placeholder-grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }
.card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 28px;
}
@media (min-width: 1024px) { .card { padding: 32px; } }
.card h3 { font-family: var(--font-display); font-size: 20px; line-height: 1.2; font-weight: 400; margin-top: 16px; }
.card .kicker {
  font-size: 10px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}
.card p { margin-top: 12px; font-size: 13.5px; line-height: 1.65; color: var(--ink-3); }
.toc-front { list-style: none; margin-top: 20px; padding: 0 0 16px; border-bottom: 1px solid var(--line-soft); }
.toc-front li { font-size: 13.5px; line-height: 1.65; color: var(--ink-3); }
.toc-grid { display: grid; gap: 24px 40px; margin-top: 24px; }
@media (min-width: 768px) { .toc-grid { grid-template-columns: 1fr 1fr; } }
.toc-part-label { font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); }
.toc-part h4 { font-family: var(--font-display); font-size: 17px; line-height: 1.25; font-weight: 400; margin-top: 6px; }
.toc-part ol, .toc-part ul { margin-top: 10px; padding-left: 28px; }
.toc-part ul { list-style: none; padding-left: 0; }
.toc-part li { padding: 6px 0; border-bottom: 1px solid var(--line-soft); font-size: 13.5px; line-height: 1.5; color: var(--ink-3); }
.toc-part li:last-child { border-bottom: 0; }
.toc-part ol li::marker { color: var(--gold); font-variant-numeric: tabular-nums; }
.toc-appendix { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--line-soft); }
.card .soon {
  margin-top: 20px;
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
  border: 1px dashed var(--line);
  padding: 4px 10px;
}
/* audio player card in #media */
.media-card .by { margin-top: 4px; font-size: 12px; letter-spacing: 0.06em; color: var(--muted); }
.player { display: block; width: 100%; max-width: 720px; margin-top: 20px; }
/* the book trailer is vertical (9:16), so cap its width to keep it within a screen's height */
.player-video { aspect-ratio: 9 / 16; height: auto; max-width: min(100%, 340px); background: #000; }
/* Work With The Author (#book): consultation + speaking cards */
.book-band { margin-top: 56px; }
.book-band > .eyebrow { margin-bottom: 20px; }
.book-card { display: flex; flex-direction: column; align-items: flex-start; }
.book-card p { flex: 1; }
.book-card .btn { margin-top: 24px; padding: 14px 28px; }
.media-links { margin-top: 12px; font-size: 12px; }
.media-links a { color: var(--gold); border-bottom: 1px solid rgba(var(--gold-rgb), 0.4); padding-bottom: 2px; }
.media-links a:hover { border-color: var(--gold); }
.band-head { max-width: 720px; margin-bottom: 40px; }
.band-head p { margin-top: 16px; font-size: 14px; line-height: 1.7; color: var(--muted); }

/* ---------- Framework cards ---------- */
.fw-head {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}
@media (min-width: 1024px) { .fw-head { flex-direction: row; align-items: flex-end; justify-content: space-between; } }
.fw-head .h2 { font-size: 36px; line-height: 0.9; }
@media (min-width: 768px) { .fw-head .h2 { font-size: 52px; } }
.fw-head p { max-width: 420px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.fw-grid { display: grid; gap: 20px; }
@media (min-width: 768px) { .fw-grid { grid-template-columns: 1fr 1fr; } }
.fw-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 28px;
  transition: border-color 0.15s;
}
@media (min-width: 1024px) { .fw-card { padding: 32px; } }
.fw-card:hover { border-color: rgba(var(--gold-rgb), 0.4); }
.fw-card.featured { background: var(--panel-2); border-color: rgba(var(--gold-rgb), 0.3); }
.fw-card::before {
  content: "";
  position: absolute;
  top: 0; left: 28px; right: 28px;
  height: 1px;
  background: linear-gradient(to right, rgba(var(--gold-rgb), 0), rgba(var(--gold-rgb), 0.5), rgba(var(--gold-rgb), 0));
  opacity: 0.6;
}
.fw-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.fw-top .kicker { font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); }
.num {
  flex: none;
  width: 24px; height: 24px;
  border-radius: 9999px;
  border: 1px solid rgba(var(--gold-rgb), 0.4);
  display: grid; place-items: center;
  font-size: 10px;
  color: var(--gold);
}
.fw-card.featured .num { background: var(--gold); color: var(--bg); font-weight: 700; border-color: var(--gold); }
.fw-card h3 { margin-top: 16px; font-family: var(--font-display); font-size: 20px; line-height: 1.2; font-weight: 400; }
.fw-body { margin-top: 16px; display: grid; gap: 12px; font-size: 13.5px; line-height: 1.65; color: var(--ink-3); }
.fw-body strong { color: var(--ink); font-weight: 500; }
.fw-body .disclaimer {
  border-left: 2px solid rgba(var(--gold-rgb), 0.4);
  padding-left: 12px;
  font-size: 12.5px;
  color: var(--muted);
  font-style: italic;
}
.fw-body .plain { font-size: 12.5px; color: var(--muted); }
.fw-link {
  display: inline-block;
  margin-top: 24px;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  border-bottom: 1px solid rgba(var(--gold-rgb), 0.4);
  padding-bottom: 4px;
  transition: border-color 0.15s;
}
.fw-link:hover { border-color: var(--gold); }
.fw-link.dim { color: var(--muted-2); border-color: var(--line); }
.fw-link.dim:hover { color: var(--gold); border-color: var(--gold); }

.schema-bar {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  padding: 12px 20px;
  background: rgba(var(--gold-rgb), 0.1);
  border: 1px solid rgba(var(--gold-rgb), 0.2);
  font-size: 11px;
  color: var(--gold);
}
.schema-bar .lbl { letter-spacing: 0.14em; text-transform: uppercase; }
.schema-bar .v { color: rgba(var(--ink-rgb), 0.7); }
.schema-bar .sep { opacity: 0.3; }

/* ---------- Method / Evidence ---------- */
.dark-band { background: var(--deep); border-top: 1px solid var(--line-soft); border-bottom: 1px solid var(--line-soft); }
.method-head { max-width: 720px; }
.method-head .h2 { font-size: 34px; }
@media (min-width: 768px) { .method-head .h2 { font-size: 46px; } }
.method-head p { margin-top: 16px; font-family: var(--font-serif); font-style: italic; font-size: 18px; color: var(--muted); }
.method-grid { margin-top: 48px; display: grid; border: 1px solid var(--line); }
@media (min-width: 768px) { .method-grid { grid-template-columns: repeat(3, 1fr); } }
.method-col { padding: 28px; border-bottom: 1px solid var(--line); }
.method-col:last-child { border-bottom: 0; }
@media (min-width: 768px) {
  .method-col { border-bottom: 0; border-right: 1px solid var(--line); }
  .method-col:last-child { border-right: 0; }
}
@media (min-width: 1024px) { .method-col { padding: 32px; } }
.method-col.hl { background: var(--panel-3); }
.method-col .rule { width: 32px; height: 2px; background: var(--gold); margin-bottom: 20px; }
.method-col:first-child .rule { background: var(--ink); }
.method-col h3 {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.method-col:first-child h3 { color: var(--ink); }
.method-col ul { display: grid; gap: 8px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.method-col.hl ul { color: var(--ink-3); }
.method-col .tags { margin-top: 24px; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted-4); }
.method-col.hl .tags { color: rgba(var(--gold-rgb), 0.6); }

.evidence-sub { margin-top: 56px; }
.evidence-sub .placeholder-grid { grid-template-columns: 1fr; }
@media (min-width: 768px) { .evidence-sub .placeholder-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .evidence-sub .placeholder-grid { grid-template-columns: repeat(3, 1fr); } }
/* highlight the card a link just jumped to */
.card:target, .fw-card:target { border-color: var(--gold); }

/* ---------- Information architecture ---------- */
.arch-grid { display: grid; gap: 48px; }
@media (min-width: 1024px) { .arch-grid { grid-template-columns: 0.9fr 1.1fr; } }
.arch-grid .h2 { font-size: 32px; }
@media (min-width: 768px) { .arch-grid .h2 { font-size: 40px; } }
.arch-grid > div > p { margin-top: 20px; font-size: 13px; line-height: 1.7; color: var(--muted); }
.tree {
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted-3);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 20px;
  overflow-x: auto;
  white-space: pre;
}
.tree a:hover { color: var(--gold); }
.stack { display: grid; gap: 24px; align-content: start; }
.box { border: 1px solid var(--line); background: var(--panel); padding: 24px; }
.box.gold { border-color: rgba(var(--gold-rgb), 0.2); background: rgba(var(--gold-rgb), 0.05); }
.box .cap { font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 16px; }
.box .mono-lines { display: grid; gap: 8px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }
.box .fine { margin-top: 16px; font-size: 11px; color: var(--muted-3); }
.box h3 { font-family: var(--font-display); font-size: 18px; font-weight: 400; }
.box p { margin-top: 12px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.box p em { color: var(--ink); font-style: italic; }
.tiles { margin-top: 16px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.tiles div {
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 12px 6px;
  text-align: center;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.asset { display: flex; gap: 12px; }
.asset img { width: 64px; height: auto; border: 1px solid var(--line); align-self: flex-start; }
.asset div { font-size: 12px; line-height: 1.6; color: var(--muted); }
.asset b {
  display: block;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 11px;
  margin-bottom: 4px;
}

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--deep); }
.footer-inner { padding-top: 56px; padding-bottom: 56px; display: grid; gap: 40px; }
@media (min-width: 1024px) { .footer-inner { grid-template-columns: 1.3fr 0.7fr; } }
.footer-brand { font-family: var(--font-display); font-size: 14px; font-weight: 700; letter-spacing: 0.2em; }
.footer-sub { margin-top: 12px; font-family: var(--font-serif); font-style: italic; font-size: 16px; color: var(--gold); }
.footer-mission { margin-top: 24px; max-width: 560px; font-size: 13px; line-height: 1.7; color: var(--muted); }
.footer-mission strong { color: var(--ink); font-weight: 500; }
.footer-schema {
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  color: var(--muted-4);
  border: 1px solid var(--line-soft);
  padding: 16px;
  overflow-wrap: anywhere;
}
.footer-nav { font-size: 11px; line-height: 1.8; color: var(--muted-2); }
.footer-nav .cap { letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.footer-nav a { display: block; }
.footer-nav a:hover { color: var(--gold); }
.footer-nav .copy { margin-top: 24px; color: var(--gold); letter-spacing: 0.14em; text-transform: uppercase; }
.footer-nav .tagline { margin-top: 4px; }
.footer-nav .to-top { display: inline-block; margin-top: 16px; color: var(--gold); letter-spacing: 0.14em; text-transform: uppercase; }

a:focus-visible, button:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

/* ---------- Chat assistant ---------- */
.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;
}
.chat-fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  font: 500 11px/1 var(--font-sans); letter-spacing: 0.18em; text-transform: uppercase;
  padding: 16px 22px; background: var(--deep); color: var(--gold);
  border: 1px solid var(--gold); cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, var(--shadow-a));
  transition: background-color 0.15s, color 0.15s;
}
.chat-fab:hover, .chat-fab:focus-visible { background: var(--gold); color: var(--bg); }
.chat-fab[hidden], .chat-panel[hidden] { display: none; }
.chat-panel {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 380px; max-width: calc(100vw - 40px);
  height: 560px; max-height: calc(100vh - 100px);
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line);
  box-shadow: 0 20px 60px rgba(0, 0, 0, var(--shadow-a));
}
.chat-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 18px 20px 14px; border-bottom: 1px solid var(--line);
}
.chat-head .kicker { font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase; color: var(--gold); }
.chat-title { margin-top: 6px; font-family: var(--font-display); font-size: 19px; color: var(--ink); }
.chat-close {
  background: none; border: 0; color: var(--muted); font-size: 24px; line-height: 1;
  padding: 2px 6px; cursor: pointer;
}
.chat-close:hover, .chat-close:focus-visible { color: var(--ink); }
.chat-log { flex: 1; overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; }
.chat-msg { max-width: 88%; font-size: 13.5px; line-height: 1.6; padding: 10px 14px; overflow-wrap: anywhere; }
.chat-msg.bot { align-self: flex-start; background: var(--panel-2); color: var(--ink-2); border: 1px solid var(--line-soft); }
.chat-msg.user { align-self: flex-end; background: var(--deep); color: var(--ink); border: 1px solid var(--line); }
.chat-msg.pending { color: var(--muted); }
.chat-msg.error { color: var(--muted); border-style: dashed; }
.chat-msg a { color: var(--gold); border-bottom: 1px solid rgba(var(--gold-rgb), 0.4); }
.chat-msg a:hover { border-color: var(--gold); }
.chat-starters { display: flex; flex-wrap: wrap; gap: 8px; }
.chat-starters[hidden] { display: none; }
.chat-starters button {
  font: 12px/1.3 var(--font-sans); color: var(--gold); background: transparent;
  border: 1px solid rgba(var(--gold-rgb), 0.5); padding: 7px 11px; cursor: pointer;
}
.chat-starters button:hover, .chat-starters button:focus-visible { background: var(--gold); color: var(--bg); }
.chat-form { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line); }
.chat-form textarea {
  flex: 1; resize: none; font: 14px/1.4 var(--font-sans); color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); padding: 10px 12px; max-height: 120px;
}
.chat-form textarea:focus { outline: none; border-color: var(--gold); }
.chat-send {
  font: 500 11px/1 var(--font-sans); letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0 16px; background: var(--deep); color: var(--ink);
  border: 1px solid rgba(var(--ink-rgb), 0.2); cursor: pointer;
}
.chat-send:hover:not(:disabled) { background: var(--ink); color: var(--bg); }
.chat-send:disabled { opacity: 0.5; cursor: default; }
.chat-note { padding: 0 16px 12px; font-size: 10.5px; line-height: 1.5; color: var(--muted-2); }
/* phones: the panel becomes a full-width bottom sheet */
@media (max-width: 479px) {
  .chat-fab { right: 16px; bottom: 16px; }
  .chat-panel { right: 0; bottom: 0; width: 100%; max-width: none; height: 85vh; max-height: none; border-width: 1px 0 0; }
}