:root {
  --paper: #f3efe5;
  --paper-deep: #e7dfcf;
  --ink: #171816;
  --muted: #66665f;
  --line: #cec5b5;
  --red: #d84b2a;
  --red-dark: #ad3218;
  --green: #244f3c;
  --lime: #c8db66;
  --white: #fffdf7;
  --radius: 0.5rem;
  --shadow: 0 18px 60px rgba(32, 28, 20, 0.1);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 0.75rem; left: 0.75rem; z-index: 100; padding: 0.7rem 1rem; background: var(--ink); color: white; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }

.site-header {
  width: min(calc(100% - 2rem), var(--max));
  min-height: 74px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(243, 239, 229, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 0.7rem; font-weight: 760; text-decoration: none; letter-spacing: -0.02em; }
.brand-mark { flex: 0 0 2rem; width: 2rem; height: 2rem; display: grid; place-items: center; overflow: hidden; }
.brand-mark img { width: 2rem; height: 2rem; max-width: 100%; max-height: 100%; display: block; object-fit: contain; }
.site-nav { display: flex; align-items: center; gap: 1.8rem; font-size: 0.88rem; font-weight: 650; }
.site-nav a { text-decoration: none; }
.site-nav a:not(.nav-cta):hover { color: var(--red); }
.nav-cta { padding: 0.62rem 0.95rem; border: 1px solid var(--ink); border-radius: 999px; }
.nav-cta:hover { color: var(--paper); background: var(--ink); }
.nav-toggle { display: none; border: 0; background: transparent; padding: 0.75rem; }
.nav-toggle span:not(.sr-only) { display: block; width: 1.5rem; height: 2px; margin: 5px; background: currentColor; }

.hero { min-height: 720px; padding: clamp(4.5rem, 9vw, 8.5rem) 0 clamp(4rem, 8vw, 7rem); display: grid; grid-template-columns: 1.28fr 0.72fr; gap: clamp(2rem, 7vw, 7rem); align-items: center; }
.eyebrow, .section-label { margin: 0 0 1.5rem; text-transform: uppercase; letter-spacing: 0.17em; font-size: 0.72rem; font-weight: 800; }
.eyebrow { display: flex; gap: 0.7rem; align-items: center; }
.eyebrow span { width: 2rem; height: 3px; background: var(--red); }
h1, h2, blockquote { font-family: Georgia, "Times New Roman", serif; letter-spacing: -0.055em; line-height: 0.95; }
h1 { max-width: 820px; margin: 0; font-size: clamp(3.7rem, 8.4vw, 7.9rem); font-weight: 500; }
h1 em, h2 em { color: var(--red); font-weight: 500; }
.hero-lede { max-width: 680px; margin: 2rem 0 0; font-size: clamp(1.05rem, 1.6vw, 1.28rem); color: #474842; }
.hero-actions { display: flex; gap: 0.8rem; margin-top: 2.3rem; flex-wrap: wrap; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0.75rem 1.15rem; border: 1px solid var(--ink); border-radius: 999px; text-decoration: none; font-weight: 760; font-size: 0.9rem; }
.button-primary { color: var(--white); background: var(--ink); }
.button-primary:hover { background: var(--red); border-color: var(--red); }
.button-secondary:hover { background: var(--white); }
.compatibility { display: flex; flex-wrap: wrap; gap: 0.5rem 1.2rem; margin: 2.2rem 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 0.76rem; }
.compatibility li::before { content: "•"; margin-right: 0.45rem; color: var(--red); }

.hero-proof { align-self: stretch; background: var(--ink); color: var(--paper); padding: 1.5rem; display: flex; flex-direction: column; justify-content: space-between; box-shadow: var(--shadow); transform: rotate(1.2deg); }
.proof-heading { display: flex; justify-content: space-between; align-items: start; padding-bottom: 1rem; border-bottom: 1px solid #44443e; text-transform: uppercase; letter-spacing: 0.13em; font-size: 0.68rem; }
.proof-heading strong { color: var(--lime); font-size: 0.86rem; }
.proof-path { list-style: none; margin: 1.5rem 0; padding: 0; }
.proof-path li { display: grid; grid-template-columns: 2.1rem 1fr; gap: 0.6rem; align-items: start; padding: 0.85rem 0; border-bottom: 1px solid #33342f; }
.proof-path li > span { color: var(--lime); font-size: 0.68rem; font-weight: 800; }
.proof-path strong, .proof-path small { display: block; }
.proof-path strong { font-size: 0.96rem; }
.proof-path small { margin-top: 0.1rem; color: #aaa99f; font-size: 0.72rem; }
.proof-note { margin: 0; color: #aaa99f; font-size: 0.72rem; }

.principle-strip { overflow: hidden; display: flex; justify-content: center; gap: clamp(1.6rem, 5vw, 5rem); padding: 1rem; color: var(--white); background: var(--red); text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.66rem; font-weight: 800; white-space: nowrap; }
.principle-strip p { margin: 0; }

.intro { padding: clamp(5rem, 10vw, 9rem) 0; }
.section-label { color: var(--red); }
.section-label.light { color: var(--lime); }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 8vw, 8rem); }
h2 { margin: 0; font-size: clamp(2.8rem, 6vw, 5.6rem); font-weight: 500; }
.intro-copy { max-width: 580px; font-size: 1.08rem; }
.intro-copy p:first-child { margin-top: 0; }
.intro-copy p:last-child { color: var(--muted); }

.workflow { padding: 2rem 0 clamp(5rem, 10vw, 9rem); }
.section-heading { display: grid; grid-template-columns: 1.4fr 0.6fr; gap: 3rem; align-items: end; margin-bottom: 3rem; }
.section-heading > p { margin: 0 0 0.5rem; color: var(--muted); max-width: 420px; }
.journey { border-top: 1px solid var(--ink); }
.journey-step { border-bottom: 1px solid var(--line); }
.journey-step > button { width: 100%; display: grid; grid-template-columns: 5rem 1fr 2rem; align-items: center; gap: 1rem; padding: 1.5rem 0; text-align: left; border: 0; background: transparent; cursor: pointer; }
.journey-step > button:hover .step-title { color: var(--red); }
.step-number { font-family: Georgia, serif; color: var(--red); font-size: 1rem; }
.step-title { font-family: Georgia, serif; font-size: clamp(1.45rem, 3vw, 2.7rem); line-height: 1.08; letter-spacing: -0.035em; }
.step-title small { display: inline-block; min-width: 9rem; font-family: Inter, sans-serif; color: var(--muted); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.62rem; vertical-align: middle; }
.step-toggle { justify-self: end; font-size: 1.5rem; color: var(--muted); }
.step-content { display: grid; grid-template-columns: 1fr 0.75fr; gap: clamp(2rem, 8vw, 8rem); padding: 0 3rem 2.5rem 6rem; animation: reveal 220ms ease-out; }
.step-content p { margin-top: 0; font-size: 1.05rem; }
.step-content ul { padding-left: 1.1rem; color: var(--muted); }
.step-skills { display: flex; align-content: flex-start; flex-wrap: wrap; gap: 0.45rem; }
.step-skills button { padding: 0.42rem 0.65rem; color: var(--ink); border: 1px solid var(--line); border-radius: 999px; font: 0.66rem/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; background: rgba(255,255,255,0.28); cursor: pointer; }
.step-skills button:hover { color: var(--paper); border-color: var(--red); background: var(--red); }
@keyframes reveal { from { opacity: 0; transform: translateY(-0.3rem); } to { opacity: 1; transform: none; } }

.trace { padding: clamp(4rem, 9vw, 8rem) 0; display: grid; grid-template-columns: 0.65fr 1.35fr; gap: clamp(2rem, 8vw, 8rem); align-items: center; }
.trace-copy p:last-child { color: var(--muted); }
.trace-chain { border: 1px solid var(--line); background: var(--white); box-shadow: var(--shadow); }
.trace-chain div { position: relative; display: grid; grid-template-columns: 5.5rem 10rem 1fr; gap: 1rem; padding: 1.25rem; border-bottom: 1px solid var(--line); align-items: center; }
.trace-chain div:last-child { border-bottom: 0; }
.trace-chain div:not(:last-child)::after { content: "↓"; position: absolute; left: 2.15rem; bottom: -0.75rem; z-index: 2; width: 1.5rem; height: 1.5rem; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--red); font-size: 0.7rem; }
.trace-chain small { color: var(--red); text-transform: uppercase; letter-spacing: 0.12em; font-weight: 800; font-size: 0.62rem; }
.trace-chain strong { font: 0.78rem ui-monospace, monospace; }
.trace-chain span { color: var(--muted); font-size: 0.85rem; }

.craft-section { color: var(--paper); background: var(--green); }
.craft-grid { padding-block: clamp(5rem, 10vw, 9rem); display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(3rem, 9vw, 9rem); }
.craft-statement p:last-child { max-width: 520px; color: #c3cec6; }
.craft-lists { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-self: end; }
.craft-lists > div { padding: 1.5rem; border: 1px solid #54705f; background: rgba(0,0,0,0.08); }
.craft-lists h3 { margin: 0 0 1rem; font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.14em; }
.craft-lists ul { list-style: none; padding: 0; margin: 0; }
.craft-lists li { position: relative; padding: 0.65rem 0 0.65rem 1.4rem; border-top: 1px solid #54705f; font-size: 0.86rem; }
.negative-list li::before, .positive-list li::before { position: absolute; left: 0; font-weight: 900; }
.negative-list li::before { content: "×"; color: #f39579; }
.positive-list li::before { content: "✓"; color: var(--lime); }

.skills-section { padding: clamp(5rem, 10vw, 9rem) 0; }
.skill-groups > section { display: grid; grid-template-columns: 0.35fr 1.65fr; gap: 2rem; padding: 2.5rem 0; border-top: 1px solid var(--ink); }
.skill-groups h3 { margin: 0; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.12em; }
.skill-groups h3 span { color: var(--red); margin-right: 0.55rem; }
.skill-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 2rem; }
.skill-list article { padding: 0 0 1rem; }
.skill-card { width: 100%; min-height: 126px; padding: 1rem; color: inherit; border: 1px solid transparent; border-radius: 0; background: transparent; text-align: left; cursor: pointer; transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease; }
.skill-card:hover { border-color: var(--ink); background: rgba(255,255,255,0.42); transform: translateY(-2px); }
.skill-card > span { display: inline-flex; gap: 0.35rem; margin-top: 0.8rem; color: var(--ink); font-size: 0.66rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.skill-card > span b { color: var(--red); }
.skill-list code { color: var(--red-dark); font-size: 0.72rem; font-weight: 800; }
.skill-list p { margin: 0.3rem 0 0; color: var(--muted); }

.skill-dialog { width: min(1040px, calc(100% - 2rem)); max-height: min(820px, calc(100dvh - 2rem)); padding: 0; color: var(--ink); border: 1px solid var(--ink); background: var(--paper); box-shadow: 0 24px 80px rgba(0,0,0,0.35); }
.skill-dialog::backdrop { background: rgba(18,20,17,0.72); backdrop-filter: blur(5px); }
.skill-dialog.is-fallback-open { position: fixed; inset: 1rem; z-index: 100; display: block; box-shadow: 0 0 0 100vmax rgba(18,20,17,0.72), 0 24px 80px rgba(0,0,0,0.35); }
.skill-dialog-bar { min-height: 58px; padding: 0 1.25rem; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--ink); }
.skill-dialog-bar p { margin: 0; font-size: 0.67rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.13em; }
.skill-dialog-bar button { min-height: 40px; padding: 0 0 0 1rem; color: var(--ink); border: 0; background: transparent; cursor: pointer; font-size: 0.72rem; font-weight: 800; }
.skill-dialog-bar button span { margin-left: 0.45rem; color: var(--red); font-size: 1.25rem; vertical-align: -0.08rem; }
.skill-dialog-content { display: grid; grid-template-columns: 0.8fr 1.2fr; }
.skill-dialog-intro { padding: clamp(2rem, 5vw, 4.5rem); border-right: 1px solid var(--ink); }
.skill-dialog-intro h2 { margin: 0.35rem 0 1.2rem; font: 500 clamp(1.7rem, 4vw, 3.4rem)/1.05 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
.skill-dialog-intro > p:not(.section-label) { color: var(--muted); }
.skill-dialog-hint { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: 0.7rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.08em; }
.skill-example { padding: clamp(2rem, 5vw, 4.5rem); display: grid; align-content: center; gap: 1.5rem; background: #e9e3d6; }
.skill-example > div { padding-top: 1rem; border-top: 1px solid #b9b1a2; }
.skill-example small { color: var(--red-dark); font-size: 0.62rem; font-weight: 850; text-transform: uppercase; letter-spacing: 0.12em; }
.skill-example blockquote, .skill-example p { margin: 0.6rem 0 0; }
.skill-example blockquote { font: 500 clamp(1.15rem, 2.4vw, 1.65rem)/1.28 Georgia, serif; }
.skill-example-result p { font-weight: 720; }

.modes { padding-bottom: clamp(5rem, 10vw, 9rem); }
.section-heading.compact { margin-bottom: 2.5rem; }
.mode-grid { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); }
.mode-grid article { min-height: 260px; padding: 1.25rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.mode-grid article:last-child { border-right: 0; }
.mode-grid span { color: var(--red); text-transform: uppercase; letter-spacing: 0.13em; font-size: 0.62rem; font-weight: 800; }
.mode-grid h3 { margin: auto 0 0.5rem; font-family: Georgia, serif; font-size: 1.45rem; line-height: 1; font-weight: 500; }
.mode-grid p { margin: 0; color: var(--muted); font-size: 0.8rem; line-height: 1.45; }

.quality { padding-bottom: clamp(5rem, 10vw, 9rem); }
.quality-card { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 3rem 5rem; padding: clamp(2rem, 6vw, 5rem); color: var(--paper); background: var(--ink); }
.quality-card > div:first-child p:last-child { color: #aaa99f; }
.quality-stats { margin: 0; display: grid; grid-template-columns: 1fr 1fr; }
.quality-stats div { padding: 1rem; border-left: 1px solid #44443e; border-bottom: 1px solid #44443e; }
.quality-stats dt { font-family: Georgia, serif; color: var(--lime); font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1; }
.quality-stats dd { margin: 0.35rem 0 0; color: #aaa99f; font-size: 0.72rem; }
.quality-checks { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem 2rem; margin: 0; padding: 1.5rem 0 0; border-top: 1px solid #44443e; list-style: none; }
.quality-checks li { position: relative; padding-left: 1rem; color: #d0cfc7; font-size: 0.78rem; }
.quality-checks li::before { content: "•"; position: absolute; left: 0; color: var(--lime); }

.install { padding-bottom: clamp(5rem, 10vw, 9rem); display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(3rem, 8vw, 8rem); align-items: center; }
.install-copy > p:not(.section-label) { color: var(--muted); }
.agent-pills { display: flex; flex-wrap: wrap; gap: 0.45rem; }
.agent-pills span { border: 1px solid var(--line); padding: 0.35rem 0.55rem; border-radius: 999px; font-size: 0.65rem; }
.terminal-card { overflow: hidden; color: #e8e6df; background: #1f211e; border-radius: var(--radius); box-shadow: var(--shadow); }
.terminal-bar { height: 42px; display: flex; align-items: center; gap: 0.4rem; padding: 0 1rem; border-bottom: 1px solid #393b36; }
.terminal-bar > span { width: 0.65rem; height: 0.65rem; border-radius: 50%; background: #565850; }
.terminal-bar > span:first-child { background: #dc6249; }
.terminal-bar > span:nth-child(2) { background: #deb756; }
.terminal-bar > span:nth-child(3) { background: #78a968; }
.terminal-bar small { margin-left: auto; color: #8c8e85; }
.command-tabs { display: flex; padding: 1rem 1.25rem 0; gap: 1rem; }
.command-tabs button { padding: 0 0 0.35rem; color: #8c8e85; border: 0; border-bottom: 2px solid transparent; background: transparent; cursor: pointer; font-size: 0.72rem; }
.command-tabs button[aria-selected="true"] { color: var(--lime); border-color: var(--lime); }
.command-panel { position: relative; padding: 1.2rem 1.25rem 1.4rem; }
pre { margin: 0; overflow-x: auto; white-space: pre-wrap; }
pre code { font: 0.78rem/1.75 ui-monospace, SFMono-Regular, Menlo, monospace; }
.copy-button { margin-top: 1rem; min-height: 38px; padding: 0.4rem 0.75rem; color: var(--lime); border: 1px solid #55574f; border-radius: 999px; background: transparent; cursor: pointer; font-size: 0.68rem; }
.copy-button:hover { border-color: var(--lime); }
.terminal-note { margin: 0; padding: 0 1.25rem 1.25rem; color: #77796f; font-size: 0.64rem; }
.terminal-note a { color: var(--lime); text-underline-offset: 0.2rem; }

.prompt-section { padding: clamp(4rem, 9vw, 8rem) 0; border-top: 1px solid var(--line); text-align: center; }
.prompt-section blockquote { max-width: 1000px; margin: 0 auto 2.5rem; font-size: clamp(2rem, 4.8vw, 4.4rem); }
.prompt-section blockquote strong { color: var(--red); font-weight: 500; }

.faq { padding: 0 0 clamp(5rem, 10vw, 9rem); }
.faq-list { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; position: relative; padding: 1.3rem 3rem 1.3rem 0; cursor: pointer; font-family: Georgia, serif; font-size: 1.35rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 760px; margin: 0; padding: 0 0 1.5rem; color: var(--muted); }

.site-footer { padding: 3rem 0 6rem; border-top: 1px solid var(--ink); display: grid; grid-template-columns: 1fr auto; gap: 2rem; }
.footer-brand + p { margin: 0.6rem 0 0; color: var(--muted); font-size: 0.78rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; font-size: 0.78rem; }
.copyright { grid-column: 1 / -1; margin: 1rem 0 0; color: var(--muted); font-size: 0.68rem; }
.mobile-bar { display: none; }

:focus-visible { outline: 3px solid var(--red); outline-offset: 3px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-proof { min-height: 520px; transform: none; }
  .section-heading, .intro-grid, .trace, .craft-grid, .quality-card, .install { grid-template-columns: 1fr; }
  .section-heading > p { max-width: 620px; }
  .mode-grid { grid-template-columns: repeat(2, 1fr); }
  .mode-grid article { border-bottom: 1px solid var(--line); }
  .quality-checks { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .section-shell, .site-header { width: min(calc(100% - 1.25rem), var(--max)); }
  .site-header { min-height: 64px; width: 100%; padding-inline: 0.625rem; }
  .js .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 64px; left: 0; right: 0; display: flex; padding: 1rem; align-items: stretch; flex-direction: column; gap: 0; background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); }
  .js .site-nav { display: none; }
  .js .site-nav.is-open { display: flex; }
  .site-nav a { min-height: 48px; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta { margin-top: 0.7rem; justify-content: center; border-bottom: 1px solid var(--ink); }
  .hero { min-height: auto; padding: 4rem 0 3.5rem; gap: 3rem; }
  h1 { font-size: clamp(3.3rem, 16vw, 5.2rem); }
  .hero-lede { font-size: 1rem; }
  .hero-actions .button { flex: 1; }
  .compatibility { display: grid; grid-template-columns: 1fr 1fr; }
  .principle-strip { justify-content: flex-start; overflow-x: auto; }
  .intro { padding: 5rem 0; }
  h2 { font-size: clamp(2.7rem, 13vw, 4.4rem); }
  .section-heading { gap: 1rem; margin-bottom: 2rem; }
  .journey-step > button { grid-template-columns: 2.5rem 1fr 1.5rem; padding: 1.15rem 0; }
  .step-title { font-size: 1.35rem; }
  .step-title small { display: block; min-width: 0; margin-bottom: 0.25rem; }
  .step-content { grid-template-columns: 1fr; gap: 1rem; padding: 0 0 1.8rem 3.5rem; }
  .step-content p { font-size: 0.93rem; }
  .trace { gap: 2rem; }
  .trace-chain div { grid-template-columns: 4rem 1fr; }
  .trace-chain div > span { grid-column: 2; }
  .trace-chain div:not(:last-child)::after { left: 1.4rem; }
  .craft-grid { padding-block: 5rem; }
  .craft-lists { grid-template-columns: 1fr; }
  .skill-groups > section { grid-template-columns: 1fr; gap: 1.5rem; }
  .skill-list { grid-template-columns: 1fr; }
  .skill-card { min-height: 0; padding: 1rem 0.75rem; }
  .skill-dialog { width: 100%; max-width: none; max-height: calc(100dvh - 0.75rem); margin: auto 0 0; border-width: 1px 0 0; }
  .skill-dialog.is-fallback-open { inset: auto 0 0; }
  .skill-dialog-content { grid-template-columns: 1fr; overflow-y: auto; max-height: calc(100dvh - 59px); }
  .skill-dialog-intro { padding: 1.6rem 1.25rem; border-right: 0; border-bottom: 1px solid var(--ink); }
  .skill-example { padding: 1.6rem 1.25rem calc(2rem + env(safe-area-inset-bottom)); }
  .mode-grid { grid-template-columns: 1fr; }
  .mode-grid article { min-height: 190px; border-right: 0; }
  .quality-card { padding: 2rem 1.2rem; }
  .quality-stats div:nth-child(odd) { border-left: 0; }
  .quality-checks { grid-template-columns: 1fr; }
  .install { gap: 2rem; }
  pre code { font-size: 0.7rem; }
  .prompt-section { text-align: left; }
  .prompt-section .button { width: 100%; }
  .site-footer { grid-template-columns: 1fr; padding-bottom: 3rem; }
  .copyright { grid-column: auto; }
  .mobile-bar { position: fixed; z-index: 30; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 0.8fr 1.2fr; padding: 0.55rem max(0.65rem, env(safe-area-inset-right)) calc(0.55rem + env(safe-area-inset-bottom)) max(0.65rem, env(safe-area-inset-left)); gap: 0.5rem; background: rgba(23,24,22,0.96); backdrop-filter: blur(12px); }
  .mobile-bar a { min-height: 46px; display: grid; place-items: center; border: 1px solid #55574f; border-radius: 999px; color: var(--paper); text-decoration: none; font-size: 0.76rem; font-weight: 750; }
  .mobile-bar a:last-child { color: var(--ink); background: var(--lime); border-color: var(--lime); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}