/* ============================================================================
   Ecuno public site (landing + guides) — vanilla CSS, no build step.
   Ported from the old React/Tailwind landing. Light default + [data-theme=dark].
   ========================================================================== */

/* ─── Tokens ──────────────────────────────────────────────────────────── */
:root {
  --background: 40 20% 97%;
  --foreground: 220 20% 12%;
  --card: 0 0% 100%;
  --muted: 220 14% 90%;
  --muted-foreground: 220 12% 46%;
  --primary: 38 100% 47%;         /* #F0A500 */
  --primary-foreground: 0 0% 100%;
  --border: 220 16% 84%;
  --destructive: 0 72% 51%;

  --bg: hsl(var(--background));
  --fg: hsl(var(--foreground));
  --card-bg: hsl(var(--card));
  --mut: hsl(var(--muted-foreground));
  --pri: hsl(var(--primary));
  --pri-fg: hsl(var(--primary-foreground));
  --bd: hsl(var(--border));

  --ui: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', 'Cascadia Mono', 'Fira Code', Consolas, monospace;
  --maxw: 88rem;
}

[data-theme="dark"] {
  --background: 220 26% 7%;
  --foreground: 220 14% 92%;
  --card: 220 24% 10%;
  --muted: 220 16% 17%;
  --muted-foreground: 220 10% 58%;
  --primary: 38 100% 47%;
  --primary-foreground: 0 0% 100%;
  --border: 220 18% 18%;
}

/* ─── Reset / base ────────────────────────────────────────────────────── */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.site {
  margin: 0;
  font-family: var(--ui);
  background: var(--bg);
  color: var(--fg);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; letter-spacing: -0.02em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; }
.font-mono, .mono { font-family: var(--mono); }
.accent { color: var(--pri); }
.ico { width: 1rem; height: 1rem; }

.site-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 1024px) { .site-wrap { padding: 0 2.5rem; } }

/* muted helper */
.muted { color: var(--mut); }

/* ─── Keyframes ───────────────────────────────────────────────────────── */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes blink   { 50% { opacity: 0; } }
@keyframes pulse   { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }
@keyframes fadeUp  { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.cursor-blink { animation: blink 1.1s steps(1) infinite; }
.pulse-dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 999px;
  background: var(--pri); animation: pulse 1.6s ease-in-out infinite;
}

/* scroll reveal */
.reveal { opacity: 0; }
.reveal.in-view { animation: fadeUp 0.55s ease-out forwards; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cursor-blink, .pulse-dot, .marquee-track { animation: none; }
  .reveal { opacity: 1; }
}

/* grid background */
.grid-bg {
  background-image:
    linear-gradient(hsl(var(--primary) / 0.08) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--primary) / 0.08) 1px, transparent 1px);
  background-size: 48px 48px;
}
[data-theme="dark"] .grid-bg {
  background-image:
    linear-gradient(hsl(var(--primary) / 0.06) 1px, transparent 1px),
    linear-gradient(90deg, hsl(var(--primary) / 0.06) 1px, transparent 1px);
}

/* ─── Buttons ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.875rem; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; transition: background .15s, transform .1s, color .15s;
  padding: 0.75rem 1.25rem;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--pri); color: var(--pri-fg); }
.btn-primary:hover { background: hsl(var(--primary) / 0.9); }
.btn-primary .ico { transition: transform .15s; }
.btn-primary:hover .ico { transform: translateX(2px); }
.btn-ghost { border-color: var(--bd); color: var(--fg); }
.btn-ghost:hover { background: hsl(var(--card) / 0.8); }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 0.625rem 1.25rem; }

/* ─── Nav ─────────────────────────────────────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid hsl(var(--border) / 0.6);
  backdrop-filter: blur(12px);
  background: hsl(var(--background) / 0.7);
}
.nav-inner { height: 4rem; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand-mark {
  position: relative; width: 1.75rem; height: 1.75rem; display: grid; place-items: center;
  border: 1px solid hsl(var(--primary) / 0.4); background: hsl(var(--primary) / 0.08); color: var(--pri);
}
.brand-mark .ico { width: 0.9rem; height: 0.9rem; }
.brand-name { font-family: var(--mono); font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.nav-links { display: none; align-items: center; gap: 1.75rem; font-size: 0.875rem; color: var(--mut); }
.nav-links a:hover { color: var(--fg); }
@media (min-width: 860px) { .nav-links { display: flex; } }
.nav-actions { display: flex; align-items: center; gap: 0.75rem; }
.nav-login { font-size: 0.875rem; color: var(--mut); }
.nav-login:hover { color: var(--fg); }
@media (max-width: 480px) { .nav-login { display: none; } }

.theme-toggle {
  display: grid; place-items: center; width: 2rem; height: 2rem;
  border: 1px solid var(--bd); background: transparent; color: var(--mut); cursor: pointer;
}
.theme-toggle:hover { color: var(--fg); }
.theme-toggle .theme-moon { display: none; }
[data-theme="dark"] .theme-toggle .theme-sun { display: none; }
[data-theme="dark"] .theme-toggle .theme-moon { display: block; }

/* ─── Section scaffolding ─────────────────────────────────────────────── */
.section { border-bottom: 1px solid hsl(var(--border) / 0.6); position: relative; }
.section-pad { padding-top: 5rem; padding-bottom: 5rem; }
.eyebrow { font-family: var(--mono); font-size: 0.75rem; color: var(--pri); letter-spacing: 0.18em; margin-bottom: 0.75rem; }
.h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); font-weight: 700; }
.lead { font-size: 0.875rem; color: var(--mut); line-height: 1.7; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 1.5rem; margin-bottom: 2.5rem; }
.sec-head .lead { max-width: 24rem; }
.maxw-2xl { max-width: 42rem; }

/* thin grid of cards, hairline separators via bg-border gaps */
.card-grid { display: grid; gap: 1px; background: hsl(var(--border) / 0.6); border: 1px solid hsl(var(--border) / 0.6); }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: 1fr 1fr 1fr; } }
.grid-2 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: 1fr 1fr; } }

/* ─── Hero ────────────────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid hsl(var(--border) / 0.6); }
.hero-grid-bg { position: absolute; inset: 0; opacity: 0.6; }
.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(900px 500px at 75% 10%, hsl(var(--primary) / 0.09), transparent 60%),
    radial-gradient(600px 400px at 5% 80%, hsl(var(--primary) / 0.05), transparent 60%);
}
.hero-inner {
  position: relative; display: grid; gap: 2.5rem; align-items: center;
  padding-top: 4rem; padding-bottom: 5rem;
}
@media (min-width: 1024px) { .hero-inner { grid-template-columns: 1fr 1fr; gap: 3.5rem; } }
.badge-inline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  border: 1px solid hsl(var(--border) / 0.8); background: hsl(var(--card) / 0.6);
  padding: 0.375rem 0.75rem; font-size: 0.75rem; font-family: var(--mono); color: var(--mut); margin-bottom: 1.5rem;
}
.badge-inline .pulse-dot { border-radius: 0; }
.hero h1 { font-size: clamp(2.2rem, 5.6vw, 4.4rem); line-height: 1.04; font-weight: 700; }
.hero h1 .dim { color: var(--mut); }
.hero-sub { margin-top: 1.25rem; max-width: 32rem; font-size: 1rem; color: var(--mut); line-height: 1.7; }
.hero-who { margin-top: 0.75rem; max-width: 32rem; font-size: 0.8125rem; color: var(--mut); line-height: 1.6; opacity: 0.85; }
.hero-cta { margin-top: 2rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.hero-stats { margin-top: 2.5rem; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; border-top: 1px solid hsl(var(--border) / 0.6); padding-top: 2rem; max-width: 28rem; }
.hero-stats dt { font-family: var(--mono); font-size: 0.875rem; font-weight: 600; }
.hero-stats dd { margin: 0.25rem 0 0; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--mut); }
.hero-cap { margin-top: 0.75rem; font-family: var(--mono); font-size: 11px; color: var(--mut); }

/* hero mockup */
.mock {
  position: relative; border: 1px solid hsl(var(--border) / 0.8); background: hsl(var(--card) / 0.9);
  box-shadow: 0 24px 72px -18px rgba(0,0,0,0.15); overflow: hidden;
  animation: fadeUp 0.55s ease-out both;
}
[data-theme="dark"] .mock { box-shadow: 0 24px 72px -18px rgba(0,0,0,0.6); }
.mock-bar { display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid hsl(var(--border) / 0.8); padding: 0.6rem 1rem; background: hsl(var(--card) / 0.6); }
.mock-dots { display: flex; gap: 0.375rem; }
.mock-dots i { width: 0.625rem; height: 0.625rem; border-radius: 999px; display: block; }
.mock-dots i:nth-child(1) { background: hsl(var(--destructive) / 0.6); }
.mock-dots i:nth-child(2) { background: hsl(var(--primary) / 0.6); }
.mock-dots i:nth-child(3) { background: hsl(var(--muted-foreground) / 0.3); }
.mock-title { font-family: var(--mono); font-size: 11px; color: var(--mut); }
.mock-live { font-family: var(--mono); font-size: 11px; color: var(--pri); display: flex; align-items: center; gap: 0.25rem; }
.mock-body { display: grid; grid-template-columns: 160px 1fr; }
.mock-side { border-right: 1px solid hsl(var(--border) / 0.7); background: hsl(var(--background) / 0.6); padding: 0.75rem 0; }
.mock-label { padding: 0 0.75rem; margin-bottom: 0.5rem; font-family: var(--mono); font-size: 9px; letter-spacing: 0.2em; color: hsl(var(--muted-foreground) / 0.5); text-transform: uppercase; }
.mock-file { padding: 0.5rem 0.75rem; display: flex; flex-direction: column; gap: 0.125rem; border-left: 2px solid transparent; }
.mock-file.active { background: hsl(var(--primary) / 0.08); border-left-color: var(--pri); }
.mock-file .fn { font-family: var(--mono); font-size: 11px; color: var(--mut); }
.mock-file.active .fn { color: var(--fg); }
.mock-file .fs { font-family: var(--mono); font-size: 9px; color: hsl(var(--muted-foreground) / 0.5); }
.mock-stat { padding: 0.375rem 0.75rem; font-family: var(--mono); font-size: 10px; }
.mock-stat.pri { color: var(--pri); } .mock-stat.warn { color: #d99000; } .mock-stat.mut { color: var(--mut); }
[data-theme="dark"] .mock-stat.warn { color: #fbbf24; }
.mock-main { padding: 0.75rem 0; }
.mock-map { margin: 0 0.25rem 0.125rem; padding: 0.625rem 0.75rem; display: flex; align-items: center; justify-content: space-between; }
.mock-map.changed { background: hsl(var(--primary) / 0.05); }
.mock-map .mn { font-family: var(--mono); font-size: 12px; font-weight: 600; }
.mock-map.changed .mn { color: var(--pri); }
.mock-map .md { font-family: var(--mono); font-size: 10px; color: var(--mut); }
.mock-map .mr { font-family: var(--mono); font-size: 10px; color: hsl(var(--muted-foreground) / 0.5); }
.mock-tag { font-family: var(--mono); font-size: 9px; color: var(--pri); border: 1px solid hsl(var(--primary) / 0.3); padding: 0.1rem 0.25rem; }
.mock-foot { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid hsl(var(--border) / 0.8); padding: 0.5rem 1rem; font-family: var(--mono); font-size: 10px; color: var(--mut); background: hsl(var(--card) / 0.4); }
.mock-foot .warn { color: #d99000; }
[data-theme="dark"] .mock-foot .warn { color: #fbbf24; }
.mock-map .mrow { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.hide-sm { display: none; }
@media (min-width: 640px) { .hide-sm { display: block; } }

/* ─── Marquee ─────────────────────────────────────────────────────────── */
.marquee { border-top: 1px solid hsl(var(--border) / 0.6); border-bottom: 1px solid hsl(var(--border) / 0.6); background: var(--bg); overflow: hidden; }
.marquee-track { display: flex; gap: 3rem; padding: 0.875rem 0; white-space: nowrap; font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--mut); animation: marquee 40s linear infinite; width: max-content; }
.marquee-track > span { display: flex; align-items: center; gap: 3rem; }
.marquee-track .sep { color: var(--bd); }

/* ─── Capability / compat / feature cards ─────────────────────────────── */
.cap { position: relative; background: var(--bg); padding: 1.5rem; overflow: hidden; transition: background .15s; }
.cap:hover { background: hsl(var(--card) / 0.6); }
.cap-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1rem; }
.cap-ico { width: 2.25rem; height: 2.25rem; display: grid; place-items: center; border: 1px solid var(--bd); background: var(--card-bg); color: var(--pri); }
.cap-ico.rm { color: var(--mut); }
.cap-tag { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; border: 1px solid hsl(var(--primary) / 0.3); color: var(--pri); padding: 0.1rem 0.375rem; }
.cap-tag.rm { color: var(--mut); border-color: var(--bd); }
.cap h3 { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
.cap p { font-size: 0.875rem; color: var(--mut); line-height: 1.7; }
.cap-underline { position: absolute; bottom: 0; left: 0; height: 1px; width: 0; background: var(--pri); transition: width .5s; }
.cap:hover .cap-underline { width: 100%; }

/* compat cards */
.compat { background: var(--bg); padding: 1.5rem; transition: background .15s; }
.compat:hover { background: hsl(var(--card) / 0.5); }
.compat .lbl { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--mut); text-transform: uppercase; margin-bottom: 0.5rem; }
.compat .val { font-size: 0.875rem; font-weight: 500; line-height: 1.35; }
.compat .note { font-family: var(--mono); font-size: 10px; color: hsl(var(--muted-foreground) / 0.6); margin-top: 0.25rem; }
.note-box { margin-top: 1.5rem; border: 1px solid hsl(var(--border) / 0.6); background: hsl(var(--card) / 0.3); padding: 1rem 1.5rem; display: flex; align-items: flex-start; gap: 0.75rem; }
.note-box .tag { font-family: var(--mono); font-size: 10px; color: var(--pri); border: 1px solid hsl(var(--primary) / 0.3); padding: 0.1rem 0.375rem; margin-top: 0.125rem; flex-shrink: 0; }
.note-box p { font-size: 0.75rem; color: var(--mut); line-height: 1.7; }

/* ─── Workflow ────────────────────────────────────────────────────────── */
.workflow { background: hsl(var(--card) / 0.3); }
.wf-list { display: flex; flex-direction: column; gap: 1px; background: hsl(var(--border) / 0.6); border: 1px solid hsl(var(--border) / 0.6); }
.wf-step { display: grid; gap: 1.5rem; background: var(--bg); padding: 1.5rem; }
@media (min-width: 1024px) { .wf-step { grid-template-columns: 1fr 6fr 5fr; padding: 2.25rem; } }
.wf-n { font-family: var(--mono); font-size: 1.5rem; color: var(--pri); }
.wf-step h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.5rem; }
.wf-step p { font-size: 0.875rem; color: var(--mut); line-height: 1.7; max-width: 36rem; }
.wf-code { font-family: var(--mono); font-size: 12px; line-height: 1.7; color: var(--mut); background: hsl(var(--card) / 0.8); border: 1px solid var(--bd); padding: 1rem; overflow-x: auto; }
.wf-code .p { color: var(--pri); }

/* ─── Pricing ─────────────────────────────────────────────────────────── */
.price-grid { display: grid; gap: 1px; background: hsl(var(--border) / 0.6); border: 1px solid hsl(var(--border) / 0.6); }
@media (min-width: 1024px) { .price-grid { grid-template-columns: 2fr 1fr; } }
.price-card { position: relative; padding: 1.75rem; }
.price-free { background: hsl(var(--card) / 0.8); }
.price-later { background: var(--bg); }
.price-topline { position: absolute; top: 0; left: 0; right: 0; height: 1px; background: var(--pri); }
.price-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.25rem; }
.price-head h3 { font-size: 1.25rem; font-weight: 600; }
.price-pill { font-family: var(--mono); font-size: 9px; letter-spacing: 0.18em; border: 1px solid; padding: 0.1rem 0.375rem; flex-shrink: 0; }
.price-pill.now { color: var(--pri); border-color: hsl(var(--primary) / 0.4); }
.price-pill.later { color: var(--mut); border-color: var(--bd); }
.price-sub { font-size: 0.875rem; color: var(--mut); margin-bottom: 1.25rem; }
.price-amt { font-size: 1.875rem; font-weight: 700; font-family: var(--mono); margin-bottom: 1.5rem; }
.price-feats { display: flex; flex-direction: column; gap: 0.625rem; font-size: 0.875rem; }
@media (min-width: 640px) { .price-free .price-feats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.625rem 1.5rem; } }
.feat { display: flex; align-items: flex-start; gap: 0.625rem; color: hsl(var(--foreground) / 0.8); }
.feat .ico { color: var(--pri); margin-top: 0.125rem; flex-shrink: 0; }
.feat.mut .ico { color: var(--mut); }

/* ─── Get started section ─────────────────────────────────────────────── */
.gs { position: relative; overflow: hidden; }
.gs-glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(900px 600px at 100% 0%, hsl(var(--primary) / 0.06), transparent 55%); }
.gs-grid { display: grid; gap: 2rem; margin-bottom: 3rem; }
@media (min-width: 1024px) { .gs-grid { grid-template-columns: 7fr 5fr; } }
.gs-sub { font-family: var(--mono); font-size: 10px; color: var(--mut); letter-spacing: 0.18em; margin-bottom: 1rem; text-transform: uppercase; }
.feat-card { position: relative; background: var(--bg); padding: 1.25rem; transition: background .15s; overflow: hidden; }
.feat-card:hover { background: hsl(var(--card) / 0.5); }
.feat-card .st { font-family: var(--mono); font-size: 9px; letter-spacing: 0.18em; padding: 0.1rem 0.375rem; border: 1px solid; }
.feat-card .st.live { color: var(--pri); border-color: hsl(var(--primary) / 0.4); background: hsl(var(--primary) / 0.05); }
.feat-card .st.soon { color: var(--mut); border-color: var(--bd); }
.feat-card h4 { font-size: 0.875rem; font-weight: 600; margin: 0.75rem 0 0.375rem; }
.feat-card p { font-size: 0.75rem; color: var(--mut); line-height: 1.7; }
.feat-card .cap-underline { background: hsl(var(--primary) / 0.5); }
.gs-panel { border: 1px solid hsl(var(--primary) / 0.3); background: hsl(var(--primary) / 0.05); padding: 1.5rem; position: relative; }
.gs-panel h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.5rem; }
.gs-panel p { font-size: 0.875rem; color: var(--mut); line-height: 1.7; margin-bottom: 1rem; }
.gs-cta { border: 1px solid hsl(var(--border) / 0.8); background: hsl(var(--card) / 0.5); padding: 1.75rem; position: relative; overflow: hidden; }
@media (min-width: 1024px) { .gs-cta { padding: 2.5rem; } }
.gs-cta .cta-inner { position: relative; max-width: 36rem; }
.gs-cta .ico-lg { color: var(--pri); width: 1.5rem; height: 1.5rem; margin-bottom: 1rem; }
.gs-cta h3 { font-size: 1.5rem; font-weight: 700; margin-bottom: 0.5rem; }
.gs-cta p { font-size: 0.875rem; color: var(--mut); line-height: 1.7; margin-bottom: 1.5rem; }
.gs-cta .fineprint { margin-top: 1rem; font-family: var(--mono); font-size: 10px; color: var(--mut); letter-spacing: 0.05em; }

/* ─── FAQ ─────────────────────────────────────────────────────────────── */
.faq-list { max-width: 48rem; border: 1px solid hsl(var(--border) / 0.6); }
.faq-item { border-top: 1px solid hsl(var(--border) / 0.6); }
.faq-item:first-child { border-top: none; }
.faq-q { width: 100%; display: flex; align-items: center; justify-content: space-between; text-align: left; padding: 1.25rem 1.5rem; background: transparent; border: none; cursor: pointer; color: var(--fg); font-family: var(--ui); }
.faq-q:hover { background: hsl(var(--card) / 0.5); }
.faq-q span { font-size: 0.875rem; font-weight: 500; padding-right: 1rem; }
.faq-q .ico { color: var(--mut); flex-shrink: 0; transition: transform .2s; }
.faq-item.open .faq-q .ico { transform: rotate(180deg); }
.faq-a { display: none; padding: 0 1.5rem 1.25rem; font-size: 0.875rem; color: var(--mut); line-height: 1.7; border-top: 1px solid hsl(var(--border) / 0.4); background: hsl(var(--card) / 0.2); }
.faq-item.open .faq-a { display: block; }
.faq-a > div { padding-top: 1rem; }

/* ─── Final CTA ───────────────────────────────────────────────────────── */
.final { position: relative; overflow: hidden; border-bottom: 1px solid hsl(var(--border) / 0.6); }
.final-grid-bg { position: absolute; inset: 0; opacity: 0.4; }
.final-glow { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(800px 400px at 50% 100%, hsl(var(--primary) / 0.10), transparent 60%); }
.final-inner { position: relative; max-width: 48rem; margin: 0 auto; padding: 6rem 1.5rem; text-align: center; }
.final .ico-lg { color: var(--pri); width: 2.25rem; height: 2.25rem; margin: 0 auto 1.5rem; }
.final h2 { font-size: clamp(1.875rem, 4vw, 3rem); font-weight: 700; line-height: 1.05; margin-bottom: 1rem; }
.final p { font-size: 0.875rem; color: var(--mut); max-width: 28rem; margin: 0 auto 2rem; line-height: 1.7; }
.final .fineprint { margin-top: 1.25rem; font-family: var(--mono); font-size: 11px; color: var(--mut); letter-spacing: 0.05em; }
.center-btn { display: flex; justify-content: center; }

/* ─── Footer ──────────────────────────────────────────────────────────── */
.site-footer { background: var(--bg); }
.footer-grid { display: grid; gap: 2.5rem; padding: 3rem 0 2.5rem; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-blurb { margin-top: 1rem; font-size: 0.875rem; color: var(--mut); max-width: 20rem; line-height: 1.7; }
.footer-head { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--mut); margin-bottom: 1rem; text-transform: uppercase; }
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; font-size: 0.875rem; }
.footer-col a { color: hsl(var(--foreground) / 0.7); }
.footer-col a:hover { color: var(--fg); }
.footer-bottom { border-top: 1px solid hsl(var(--border) / 0.6); padding: 1.25rem 0; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem; font-size: 0.75rem; color: var(--mut); font-family: var(--mono); }
.footer-live { display: flex; align-items: center; gap: 0.5rem; }
.footer-live .pulse-dot { border-radius: 0; }

/* ─── Guides ──────────────────────────────────────────────────────────── */
.guides-hero { position: relative; overflow: hidden; border-bottom: 1px solid hsl(var(--border) / 0.6); }
.guides-list { display: grid; gap: 1px; background: hsl(var(--border) / 0.6); border: 1px solid hsl(var(--border) / 0.6); }
@media (min-width: 768px) { .guides-list { grid-template-columns: 1fr 1fr; } }
.guide-card { display: block; background: var(--bg); padding: 1.75rem; transition: background .15s; position: relative; overflow: hidden; }
.guide-card:hover { background: hsl(var(--card) / 0.6); }
.guide-card .gc-eyebrow { font-family: var(--mono); font-size: 10px; letter-spacing: 0.18em; color: var(--pri); text-transform: uppercase; margin-bottom: 0.75rem; }
.guide-card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.5rem; }
.guide-card p { font-size: 0.875rem; color: var(--mut); line-height: 1.7; }
.guide-card .cap-underline { background: var(--pri); }
.guides-empty { border: 1px dashed var(--bd); padding: 3rem; text-align: center; color: var(--mut); font-size: 0.875rem; }

/* article */
.article { max-width: 46rem; margin: 0 auto; padding: 3.5rem 1.5rem 5rem; }
.article .back { font-family: var(--mono); font-size: 0.75rem; color: var(--mut); display: inline-flex; align-items: center; gap: 0.375rem; margin-bottom: 2rem; }
.article .back:hover { color: var(--fg); }
.article .art-title { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 700; line-height: 1.1; margin-bottom: 0.75rem; }
.article .art-desc { font-size: 1rem; color: var(--mut); line-height: 1.7; margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 1px solid hsl(var(--border) / 0.6); }
.prose { font-size: 1rem; line-height: 1.8; color: hsl(var(--foreground) / 0.9); }
.prose h2 { font-size: 1.5rem; font-weight: 700; margin: 2.5rem 0 1rem; }
.prose h3 { font-size: 1.2rem; font-weight: 600; margin: 2rem 0 0.75rem; }
.prose p { margin: 0 0 1.15rem; }
.prose ul, .prose ol { margin: 0 0 1.15rem; padding-left: 1.5rem; }
.prose li { margin-bottom: 0.5rem; }
.prose ul li { list-style: disc; }
.prose ol li { list-style: decimal; }
.prose a { color: var(--pri); text-decoration: underline; text-underline-offset: 2px; }
.prose code { font-family: var(--mono); font-size: 0.875em; background: hsl(var(--muted) / 0.6); padding: 0.1rem 0.35rem; border-radius: 3px; }
.prose pre { font-family: var(--mono); font-size: 0.85rem; line-height: 1.6; background: hsl(var(--card) / 0.8); border: 1px solid var(--bd); padding: 1rem 1.25rem; overflow-x: auto; margin: 0 0 1.5rem; }
.prose pre code { background: none; padding: 0; }
.prose blockquote { border-left: 3px solid hsl(var(--primary) / 0.5); padding-left: 1rem; color: var(--mut); margin: 0 0 1.15rem; }
.prose strong { font-weight: 700; color: var(--fg); }
.prose hr { border: none; border-top: 1px solid hsl(var(--border) / 0.6); margin: 2rem 0; }