/* =========================================================
   The Loop Architect — design system
   Black marble base, gold lines. Fraunces display, Inter body.
   ========================================================= */

/* ---------- Self-hosted fonts (assets/fonts/) ---------- */
@font-face {
  font-family: 'Fraunces';
  src: url('../fonts/fraunces-variable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('../fonts/inter-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/jetbrains-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('../fonts/jetbrains-mono-400-italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Noto Sans SC';
  src: url('../fonts/noto-sans-sc-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+4E00-9FFF, U+3000-303F, U+FF00-FFEF;
}

/* ---------- Tokens ---------- */
:root {
  /* Color — black marble + gold */
  --bg-deep:        #0A0A0A;   /* near-black with depth */
  --bg-elevated:    #111111;   /* cards, footer */
  --bg-card:        rgba(255, 255, 255, 0.02);
  --marble-vein-1:  rgba(222, 185, 97, 0.04);
  --marble-vein-2:  rgba(232, 232, 232, 0.025);

  --border-hair:    rgba(222, 185, 97, 0.18);  /* gold hairline */
  --border-soft:    rgba(232, 232, 232, 0.08);  /* white hairline */
  --border-elev:    rgba(222, 185, 97, 0.32);   /* gold on hover */

  --gold:           #DEB961;   /* primary accent */
  --gold-soft:      rgba(222, 185, 97, 0.18);
  --gold-glow:      rgba(222, 185, 97, 0.45);

  --text-primary:   #E8E8E8;   /* warm off-white */
  --text-muted:     rgba(232, 232, 232, 0.72);
  --text-faint:     rgba(232, 232, 232, 0.45);

  --grey:           #6B7280;   /* supporting */
  --error:          #7F1D1D;   /* trap indicators */

  /* Type */
  --font-display: "Fraunces", "Cormorant Garamond", "Times New Roman", serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --font-cjk:     "Noto Sans SC", "PingFang SC", "Hiragino Sans", sans-serif;

  /* Layout */
  --container:        1180px;
  --container-narrow: 760px;
  --container-prose:  680px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --t-fast: 200ms;
  --t-med:  320ms;
  --t-slow: 600ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; padding: 0; }
ul, ol { list-style: none; padding: 0; margin: 0; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------- Base ---------- */
html { scroll-behavior: smooth; }
body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

/* Black marble — subtle radial veining on the body */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 1200px 800px at 18% 12%, var(--marble-vein-1), transparent 60%),
    radial-gradient(ellipse 1000px 700px at 82% 88%, var(--marble-vein-2), transparent 65%),
    radial-gradient(ellipse 600px 400px at 50% 50%, rgba(222, 185, 97, 0.018), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

main, header, footer { position: relative; z-index: 1; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}
h2 {
  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
  font-weight: 500;
}
h3 {
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  font-weight: 500;
}
h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

p { margin: 0 0 1em; color: var(--text-muted); }
p.lead { font-size: 1.15rem; color: var(--text-primary); line-height: 1.6; }
p + p { margin-top: 0; }

strong { color: var(--text-primary); font-weight: 600; }
em { font-style: italic; }

/* Gold-tone emphasis for key terms */
.gold { color: var(--gold); }

/* Kicker — small mono tag */
.kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-sm);
  background: rgba(222, 185, 97, 0.04);
}

a.text-link {
  color: var(--gold);
  border-bottom: 1px solid var(--gold-soft);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
a.text-link:hover { color: #f1d28a; border-color: var(--gold); }

/* CJK support */
:lang(zh), .cjk {
  font-family: var(--font-cjk);
}

/* ---------- Container ---------- */
.container         { width: 100%; max-width: var(--container);        margin: 0 auto; padding: 0 1.5rem; }
.container--narrow { max-width: var(--container-narrow); }
.container--prose  { max-width: var(--container-prose);  }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border-soft);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.5rem;
  max-width: var(--container);
  margin: 0 auto;
  gap: 1.5rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  flex-shrink: 0;
}
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-hair);
  border-radius: 50%;
  padding: 4px;
  background: var(--bg-deep);
}
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.1;
  white-space: nowrap;
}
.brand-name .accent { color: var(--gold); font-style: italic; font-weight: 500; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.nav-link {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.nav-link:hover { color: var(--text-primary); background: rgba(222, 185, 97, 0.05); }
.nav-link.is-active { color: var(--gold); }
.nav-cta {
  margin-left: 0.5rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-sm);
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.nav-cta:hover {
  background: var(--gold);
  color: var(--bg-deep);
  border-color: var(--gold);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--text-primary);
  position: relative;
  transition: transform var(--t-fast) var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after { content: ""; position: absolute; left: 0; }
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top:  6px; }
.nav-toggle.is-open span              { background: transparent; }
.nav-toggle.is-open span::before      { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span::after       { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 880px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem 1.5rem 1.5rem;
    background: rgba(10, 10, 10, 0.97);
    border-bottom: 1px solid var(--border-soft);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), visibility var(--t-fast);
  }
  .nav-links.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-link, .nav-cta { width: 100%; text-align: left; }
  .nav-cta { margin-left: 0; margin-top: 0.5rem; text-align: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 0 4rem;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  opacity: 0.55;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(10,10,10,0.45) 0%, rgba(10,10,10,0.6) 50%, rgba(10,10,10,0.95) 100%),
    radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, rgba(10,10,10,0.7) 100%);
}
@media (prefers-reduced-motion: reduce) {
  .hero-bg { display: none; }
  .hero { min-height: 80vh; }
}
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 1.5rem;
  max-width: var(--container);
  width: 100%;
}
.hero-tagline {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}
.hero-tagline::before,
.hero-tagline::after {
  content: "";
  width: 32px;
  height: 1px;
  background: var(--gold);
  opacity: 0.5;
}
.hero h1 {
  max-width: 18ch;
  margin: 0 auto 1.5rem;
  font-weight: 400;
}
.hero h1 em { font-style: italic; color: var(--gold); }
.hero-sub {
  max-width: 56ch;
  margin: 0 auto;
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2.5rem;
}

/* Gold vein lines flanking the hero */
.hero-vein {
  position: absolute;
  z-index: 1;
  pointer-events: none;
  opacity: 0.6;
}
.hero-vein--left {
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--gold) 50%, transparent 100%);
  opacity: 0.25;
}
.hero-vein--right {
  right: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent 0%, var(--gold) 50%, transparent 100%);
  opacity: 0.25;
}
.hero-corner {
  position: absolute;
  z-index: 1;
  width: 80px;
  height: 80px;
  pointer-events: none;
  border-color: var(--gold);
  opacity: 0.35;
}
.hero-corner--tl { top: 24px; left: 24px;  border-top: 1px solid; border-left: 1px solid; }
.hero-corner--tr { top: 24px; right: 24px; border-top: 1px solid; border-right: 1px solid; }
.hero-corner--bl { bottom: 24px; left: 24px;  border-bottom: 1px solid; border-left: 1px solid; }
.hero-corner--br { bottom: 24px; right: 24px; border-bottom: 1px solid; border-right: 1px solid; }

@media (max-width: 640px) {
  .hero { min-height: unset; padding: 5rem 0 3rem; }
  .hero-corner { width: 50px; height: 50px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  color: var(--text-primary);
  background: transparent;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--primary {
  border-color: var(--border-hair);
  color: var(--gold);
  background: rgba(222, 185, 97, 0.06);
}
.btn--primary:hover {
  background: var(--gold);
  color: var(--bg-deep);
  border-color: var(--gold);
  box-shadow: 0 8px 32px -8px var(--gold-glow);
}
.btn--ghost {
  border-color: var(--border-hair);
  color: var(--gold);
}
.btn--ghost:hover {
  border-color: var(--gold);
  background: rgba(222, 185, 97, 0.05);
}
.btn--lg { padding: 1.05rem 2rem; font-size: 0.86rem; }

/* ---------- Sections ---------- */
section {
  padding: 2rem 0 6rem;
  position: relative;
}
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}
.section-header p {
  max-width: 60ch;
  margin: 0 auto;
}
.section-divider {
  width: 64px;
  height: 1px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  position: relative;
}
.section-divider::before,
.section-divider::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 4px;
  height: 4px;
  background: var(--gold);
  border-radius: 50%;
  transform: translateY(-50%);
}
.section-divider::before { left: 50%; margin-left: -24px; }
.section-divider::after  { left: 50%; margin-left:  20px; }

/* ---------- Card ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  transition: border-color var(--t-med) var(--ease), transform var(--t-med) var(--ease), background var(--t-med) var(--ease);
}
.card:hover {
  border-color: var(--border-hair);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.025);
}
.card h3 { margin-bottom: 0.6rem; }
.card-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1rem;
}

.grid { display: grid; gap: 1.5rem; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 880px) {
  .grid--2, .grid--3 { grid-template-columns: 1fr; }
}

/* ---------- Featured pair (home) ---------- */
.feature-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}
.feature-block {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 2.75rem 2.25rem;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
  transition: border-color var(--t-med) var(--ease), transform var(--t-med) var(--ease);
  display: flex;
  flex-direction: column;
}
.feature-block:hover {
  border-color: var(--border-hair);
  transform: translateY(-2px);
}
.feature-block::before {
  content: "";
  position: absolute;
  width: 280px; height: 280px;
  border-radius: 50%;
  top: -140px; right: -140px;
  background: radial-gradient(circle, var(--gold-soft), transparent 65%);
  opacity: 0.6;
  pointer-events: none;
}
.feature-block h3 { margin-top: 0.5rem; }
.feature-block p { margin-bottom: 1.5rem; }
.feature-block .kicker { align-self: flex-start; }
.feature-block .btn { margin-top: auto; align-self: flex-start; }
@media (max-width: 880px) { .feature-pair { grid-template-columns: 1fr; } }

/* ---------- Architecture page ---------- */
.arch-section {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  align-items: start;
  padding: 3rem 0;
  border-top: 1px solid var(--border-soft);
}
.arch-section:first-of-type { border-top: 0; }
.arch-label {
  position: sticky;
  top: 100px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}
.arch-label h2 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 0.5rem;
}
.arch-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  margin: 0 0 1.25rem;
}
.arch-content p { font-size: 1.05rem; line-height: 1.75; }
.arch-content .placeholder {
  border-left: 2px solid var(--gold);
  padding: 0.5rem 0 0.5rem 1.25rem;
  color: var(--text-faint);
  font-style: italic;
  margin: 1.25rem 0;
}
@media (max-width: 880px) {
  .arch-section { grid-template-columns: 1fr; gap: 1rem; }
  .arch-label { position: static; }
}

/* The 6 loops grid */
.loops-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.loop-card {
  border: 1px solid var(--border-soft);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  transition: border-color var(--t-med) var(--ease);
}
.loop-card:hover { border-color: var(--border-hair); border-left-color: var(--gold); }
.loop-card .num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--gold);
  display: block;
  margin-bottom: 0.5rem;
}
.loop-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
}
.loop-card p { font-size: 0.9rem; color: var(--text-muted); margin: 0; line-height: 1.5; }
@media (max-width: 700px) {
  .loops-grid { grid-template-columns: 1fr; }
}

/* ---------- Book layout (ebook page) ---------- */
.book-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 4rem;
  align-items: start;
}
.book-cover-frame {
  position: relative;
  border: 1px solid var(--border-hair);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--bg-elevated);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8);
}
.book-cover-frame img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
}
.book-cover-frame::before,
.book-cover-frame::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  border: 1px solid var(--gold);
  opacity: 0.6;
}
.book-cover-frame::before {
  top: -6px; left: -6px;
  border-right: 0; border-bottom: 0;
}
.book-cover-frame::after {
  bottom: -6px; right: -6px;
  border-left: 0; border-top: 0;
}
@media (max-width: 880px) {
  .book-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .book-cover-frame { max-width: 320px; margin: 0 auto; }
}
.book-meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-faint);
  letter-spacing: 0.06em;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}
.book-meta span { color: var(--text-muted); }
.book-meta + h1 { margin-top: 0; }

.book-includes {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 2rem;
  display: grid;
  gap: 0.85rem;
}
.book-includes li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
}
.book-includes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 14px;
  height: 1px;
  background: var(--gold);
}

/* ---------- Article list ---------- */
.article-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-soft);
  transition: padding var(--t-med) var(--ease);
}
.article-row:hover { padding-left: 0.5rem; border-bottom-color: var(--border-hair); }
.article-row .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.article-row h3 { margin-bottom: 0.5rem; }
.article-row h3 a { color: var(--text-primary); transition: color var(--t-fast) var(--ease); }
.article-row:hover h3 a { color: var(--gold); }
@media (max-width: 700px) {
  .article-row { grid-template-columns: 1fr; gap: 0.5rem; padding: 1.5rem 0; }
}

/* ---------- Prose (article body) ---------- */
.prose { max-width: var(--container-prose); margin: 0 auto; }
.prose h1 { margin-bottom: 0.4em; }
.prose h2 { margin-top: 2.2em; }
.prose h3 { margin-top: 1.8em; }
.prose p, .prose li { color: var(--text-primary); font-size: 1.05rem; line-height: 1.8; }
.prose blockquote {
  margin: 2em 0;
  padding: 0.4em 1.5em;
  border-left: 2px solid var(--gold);
  color: var(--text-muted);
  font-style: italic;
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-elevated);
  padding: 0.15em 0.4em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
}
.prose pre {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  overflow-x: auto;
  margin: 1.5em 0;
}
.prose pre code { background: none; border: 0; padding: 0; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 4rem;
  padding: 4rem 0 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border-hair);
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 1px;
  background: var(--gold);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer-tagline {
  margin-top: 1rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.site-footer h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin: 0 0 1.25rem;
  font-weight: 500;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color var(--t-fast) var(--ease);
}
.footer-col a:hover { color: var(--gold); }
.footer-meta-link {
  color: inherit;
  transition: color var(--t-fast) var(--ease);
}
.footer-meta-link:hover { color: var(--gold); }
.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .footer-meta { flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Selection ---------- */
::selection {
  background: var(--gold);
  color: var(--bg-deep);
}

/* ---------- Forms ---------- */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}
.form-field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.form-field input,
.form-field textarea {
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--text-primary);
  transition: border-color var(--t-fast) var(--ease);
}
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--gold);
}
.form-field textarea { min-height: 140px; resize: vertical; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.flex-row { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }