:root {
  --paper: #f6f2ea;
  --card: #fffdfa;
  --white: #ffffff;
  --ink: #16130f;
  --ink-soft: #655d53;
  --accent: #df471d;
  --accent-deep: #b5350f;
  --accent-pale: #f9ddd3;
  --line: rgba(22, 19, 15, .13);
  --line-soft: rgba(22, 19, 15, .08);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --shadow: 0 22px 60px rgba(22, 19, 15, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.55; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
.mono { font-family: var(--mono); }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; max-width: 1240px; margin: 0 auto; padding: 21px 28px; font-family: var(--mono); font-size: 11px; letter-spacing: 1.8px; text-transform: uppercase; }
.brand, .site-nav, .site-nav a { display: inline-flex; align-items: center; }
.brand { gap: 10px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px rgba(223, 71, 29, .10); }
.site-nav { flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
.site-nav a { padding: 7px 10px; border-radius: 999px; color: var(--ink-soft); text-decoration: none; letter-spacing: .5px; transition: background .2s ease, color .2s ease; }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a[aria-current="page"] { color: var(--accent-deep); background: var(--accent-pale); }

.shell { max-width: 1240px; margin: 0 auto; padding: 34px 28px 74px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr); gap: 48px; align-items: end; padding: 14px 0 46px; }
.kicker, .panel-kicker, .eyebrow, .section-label, .tiny-label { color: var(--accent-deep); font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 2.3px; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin: 13px 0 19px; font-family: var(--serif); font-size: clamp(48px, 7vw, 86px); font-weight: 900; letter-spacing: -1.5px; line-height: .96; }
h1 em { color: var(--accent); font-style: italic; }
.hero-copy { max-width: 670px; color: var(--ink-soft); font-size: clamp(17px, 2vw, 20px); }
.hero-note { display: grid; gap: 11px; padding: 22px 24px; border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 14px; background: rgba(255, 253, 250, .7); }
.hero-note strong { font-family: var(--serif); font-size: 24px; line-height: 1.05; }
.hero-note span { color: var(--ink-soft); font-size: 14px; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 18px; align-items: start; }
.main-card, .side-card, .resource-card, .proof-card, .choice-card { border: 1px solid var(--line); border-radius: 18px; background: rgba(255, 253, 250, .86); }
.main-card { padding: clamp(25px, 4vw, 44px); box-shadow: var(--shadow); }
.side-card { position: sticky; top: 18px; padding: 23px 20px; }
.side-card h2, .main-card h2 { margin: 7px 0 16px; font-family: var(--serif); font-size: clamp(30px, 4vw, 49px); font-weight: 900; letter-spacing: -.7px; line-height: 1.01; }
.side-card h3 { margin: 7px 0 16px; font-family: var(--serif); font-size: 26px; line-height: 1.05; }
.side-card p, .small-copy { color: var(--ink-soft); font-size: 13px; }

.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; margin: 20px 0 27px; }
.choice-card { position: relative; padding: 20px; text-align: left; transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.choice-card:hover, .choice-card:focus-visible { border-color: var(--accent); transform: translateY(-1px); }
.choice-card.is-selected { border-color: var(--accent); background: var(--accent-pale); box-shadow: inset 0 0 0 1px var(--accent); }
.choice-card .choice-mark { display: block; width: 27px; height: 27px; margin-bottom: 17px; border: 1px solid var(--line); border-radius: 50%; background: var(--white); }
.choice-card.is-selected .choice-mark { border-color: var(--accent); background: var(--accent); box-shadow: inset 0 0 0 7px var(--white); }
.choice-card strong { display: block; margin-bottom: 5px; font-family: var(--serif); font-size: 23px; line-height: 1; }
.choice-card span { display: block; color: var(--ink-soft); font-size: 13px; }

.setup-steps { display: grid; gap: 14px; margin-top: 26px; }
.setup-step { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 20px 0; border-top: 1px solid var(--line-soft); }
.setup-step:first-child { border-top: 0; padding-top: 0; }
.step-num { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 50%; color: var(--accent-deep); background: var(--accent-pale); font-family: var(--mono); font-size: 11px; font-weight: 700; }
.setup-step h3 { margin: 1px 0 5px; font-family: var(--serif); font-size: 25px; line-height: 1.05; }
.setup-step p { margin-bottom: 11px; color: var(--ink-soft); font-size: 14px; }
.setup-step.is-done .step-num { color: var(--white); background: var(--accent); }
.step-action { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.step-action label { color: var(--ink); font-size: 13px; font-weight: 700; }

.check-row { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 14px; font-weight: 700; }
.check-row input { width: 19px; height: 19px; accent-color: var(--accent); }
.btn { min-height: 45px; padding: 11px 16px; border: 1px solid var(--line); border-radius: 9px; font-weight: 700; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.btn:hover, .btn:focus-visible { transform: translateY(-1px); }
.btn-primary { border-color: var(--accent); color: var(--white); background: var(--accent); box-shadow: 0 8px 20px rgba(223, 71, 29, .20); }
.btn-primary:hover, .btn-primary:focus-visible { background: var(--accent-deep); }
.btn-secondary { color: var(--ink); background: transparent; }
.btn-secondary:hover, .btn-secondary:focus-visible { border-color: var(--accent); background: var(--accent-pale); }
.btn:disabled { cursor: not-allowed; opacity: .45; transform: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.progress-track { height: 6px; margin: 13px 0 19px; overflow: hidden; border-radius: 10px; background: var(--accent-pale); }
.progress-bar { width: 0; height: 100%; border-radius: inherit; background: var(--accent); transition: width .3s ease; }
.status-line { display: inline-flex; align-items: center; gap: 7px; color: var(--accent-deep); font-family: var(--mono); font-size: 10px; letter-spacing: .5px; text-transform: uppercase; }
.status-line::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #4e8d68; }
.status-line.warn::before { background: #c28a31; }
.reset-link { display: block; margin-top: 12px; padding: 0; border: 0; color: var(--ink-soft); background: transparent; font-family: var(--mono); font-size: 10px; letter-spacing: .4px; text-decoration: underline; text-underline-offset: 3px; }
.reset-link:hover, .reset-link:focus-visible { color: var(--accent-deep); }

.command-box { position: relative; margin-top: 15px; padding: 17px 18px; border-radius: 11px; color: var(--white); background: var(--ink); }
.command-box pre { margin: 0; padding-right: 62px; white-space: pre-wrap; overflow-wrap: anywhere; font: 12px/1.65 var(--mono); }
.command-box .copy-cmd { position: absolute; top: 12px; right: 12px; min-height: 32px; padding: 6px 9px; border: 1px solid rgba(255,255,255,.25); border-radius: 7px; color: var(--white); background: transparent; font-family: var(--mono); font-size: 10px; }
.command-box .copy-cmd:hover, .command-box .copy-cmd:focus-visible { border-color: #ff9b7a; color: #ff9b7a; }
.callout { margin: 20px 0; padding: 17px 18px; border: 1px solid rgba(223, 71, 29, .25); border-radius: 11px; background: var(--accent-pale); }
.callout strong { display: block; margin-bottom: 5px; font-family: var(--serif); font-size: 20px; line-height: 1.05; }
.callout p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.callout .mono { color: var(--accent-deep); font-size: 12px; }
.preflight { margin: 22px 0 26px; padding: 20px; border: 1px solid rgba(223, 71, 29, .32); border-radius: 13px; background: #fff4ed; }
.preflight h3 { margin: 0 0 7px; font-family: var(--serif); font-size: 24px; line-height: 1.05; }
.preflight p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.preflight strong { color: var(--accent-deep); }
.preflight-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 15px; }
.preflight-item { display: flex; gap: 9px; align-items: flex-start; padding: 11px 12px; border: 1px solid rgba(181, 53, 15, .16); border-radius: 9px; background: rgba(255,255,255,.68); }
.preflight-item input { flex: none; width: 18px; height: 18px; margin-top: 1px; accent-color: var(--accent); }
.preflight-item span { color: var(--ink); font-size: 12px; font-weight: 700; line-height: 1.3; }
.mode-row { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; margin: 16px 0 5px; }
.mode-label { margin-right: 4px; color: var(--ink-soft); font-family: var(--mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; }
.mode-button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); background: transparent; font-size: 12px; font-weight: 700; }
.mode-button[aria-pressed="true"], .mode-button:hover, .mode-button:focus-visible { border-color: var(--accent); color: var(--accent-deep); background: var(--accent-pale); }
.surface-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin: 16px 0 25px; }
.surface-card { padding: 14px; border: 1px solid var(--line-soft); border-radius: 10px; background: var(--white); }
.surface-card strong { display: block; margin-bottom: 4px; font-family: var(--serif); font-size: 19px; line-height: 1; }
.surface-card span { display: block; color: var(--ink-soft); font-size: 11px; line-height: 1.35; }
.surface-card.is-live { border-color: var(--accent); background: var(--accent-pale); }
.remote-card { margin-top: 18px; padding: 16px 17px; border: 1px solid rgba(22, 19, 15, .16); border-radius: 10px; background: var(--ink); color: var(--white); }
.remote-card strong { display: block; margin-bottom: 4px; font-family: var(--serif); font-size: 21px; line-height: 1.05; }
.remote-card p { margin: 0; color: rgba(255,255,255,.74); font-size: 13px; }
.install-command { margin-top: 12px; }
.install-command .command-box { margin-top: 8px; }
.plan-note { margin-top: 12px; color: var(--ink-soft); font-size: 12px; }

.side-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.side-list li { display: flex; gap: 9px; align-items: flex-start; color: var(--ink-soft); font-size: 13px; }
.side-list li::before { content: '✓'; color: var(--accent); font-weight: 800; }
.side-links { display: grid; gap: 8px; margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--line-soft); }
.side-links a { color: var(--accent-deep); font-family: var(--mono); font-size: 11px; letter-spacing: .3px; text-decoration: none; }
.side-links a:hover { text-decoration: underline; }

.section { margin-top: 22px; padding: 34px 0 0; border-top: 1px solid var(--line-soft); }
.section h2 { margin-bottom: 9px; font-family: var(--serif); font-size: 35px; line-height: 1.05; }
.section-lead { max-width: 690px; color: var(--ink-soft); font-size: 16px; }
.resource-toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; }
.filter { padding: 9px 13px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); background: transparent; font-size: 12px; font-weight: 700; }
.filter[aria-pressed="true"], .filter:hover, .filter:focus-visible { border-color: var(--accent); color: var(--accent-deep); background: var(--accent-pale); }
.resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.resource-card { padding: 19px; }
.resource-card[hidden] { display: none; }
.resource-card .tag { color: var(--accent-deep); font-family: var(--mono); font-size: 10px; letter-spacing: 1.3px; text-transform: uppercase; }
.resource-card h3 { margin: 8px 0 7px; font-family: var(--serif); font-size: 24px; line-height: 1.03; }
.resource-card p { margin-bottom: 12px; color: var(--ink-soft); font-size: 13px; }
.resource-card a { color: var(--accent-deep); font-size: 13px; font-weight: 700; text-decoration: none; }
.resource-card a:hover { text-decoration: underline; }
.faq-list { display: grid; gap: 10px; margin-top: 19px; }
.faq { border: 1px solid var(--line-soft); border-radius: 10px; background: var(--card); }
.faq summary { padding: 15px 17px; cursor: pointer; font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: '+'; display: inline-block; width: 21px; color: var(--accent); font-family: var(--mono); }
.faq[open] summary::before { content: '−'; }
.faq p { margin: 0; padding: 0 17px 17px 38px; color: var(--ink-soft); font-size: 13px; }

.proof-hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; padding-bottom: 24px; border-bottom: 1px solid var(--line-soft); }
.proof-hero h2 { margin: 8px 0 0; font-family: var(--serif); font-size: clamp(38px, 5vw, 64px); line-height: .98; }
.proof-stat { min-width: 150px; padding: 15px; border: 1px solid var(--line); border-radius: 11px; text-align: center; background: var(--white); }
.proof-stat strong { display: block; font-family: var(--serif); font-size: 36px; line-height: 1; }
.proof-stat span { color: var(--ink-soft); font-family: var(--mono); font-size: 10px; letter-spacing: 1px; text-transform: uppercase; }
.proof-checks { display: grid; gap: 10px; margin-top: 23px; }
.proof-check { display: grid; grid-template-columns: 24px 1fr; gap: 12px; align-items: start; padding: 15px 16px; border: 1px solid var(--line-soft); border-radius: 10px; background: var(--card); }
.proof-check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--accent); }
.proof-check strong { display: block; margin-bottom: 3px; font-size: 14px; }
.proof-check span { color: var(--ink-soft); font-size: 13px; }
.proof-output { margin-top: 22px; padding: 22px; border-radius: 13px; color: var(--white); background: var(--ink); }
.proof-output .tiny-label { color: #ff9b7a; }
.proof-output h3 { margin: 8px 0 9px; font-family: var(--serif); font-size: 28px; line-height: 1.02; }
.proof-output p { margin-bottom: 0; color: rgba(255,255,255,.76); font-size: 14px; }
.proof-output textarea { width: 100%; min-height: 110px; margin-top: 16px; padding: 12px; border: 1px solid rgba(255,255,255,.2); border-radius: 9px; color: var(--white); background: rgba(255,255,255,.08); resize: vertical; }
.proof-output textarea::placeholder { color: rgba(255,255,255,.45); }
.proof-output .btn-secondary { border-color: rgba(255,255,255,.25); color: var(--white); }
.proof-output .btn-secondary:hover { border-color: #ff9b7a; background: rgba(255,155,122,.12); }

.footer { max-width: 1240px; margin: 0 auto; padding: 0 28px 42px; color: var(--ink-soft); text-align: center; font-size: 12px; }
.footer-rule { width: 48px; height: 1px; margin: 0 auto 16px; background: var(--line); }

@media (max-width: 900px) { .content-grid { grid-template-columns: 1fr; } .side-card { position: static; } }
@media (max-width: 700px) { .topbar { padding: 17px 18px; } .site-nav { gap: 2px; } .site-nav a { padding: 6px 7px; font-size: 9px; letter-spacing: 0; } .shell { padding: 22px 18px 56px; } .hero { grid-template-columns: 1fr; gap: 26px; padding: 20px 0 34px; } h1 { font-size: clamp(47px, 15vw, 70px); } .choice-grid, .resource-grid { grid-template-columns: 1fr; } .main-card { padding: 24px 20px; } .proof-hero { display: block; } .proof-stat { margin-top: 18px; } .preflight-grid, .surface-grid { grid-template-columns: 1fr; } }
@media (max-width: 430px) { .topbar { align-items: flex-start; } .brand { font-size: 10px; } .site-nav { justify-content: flex-end; } .site-nav a { max-width: 63px; text-align: center; } .setup-step { grid-template-columns: 34px 1fr; gap: 12px; } .step-num { width: 30px; height: 30px; } }

@media print { .topbar, .hero, .side-card, .footer, .btn-row, .resource-toolbar { display: none !important; } .shell, .main-card { padding: 0; border: 0; box-shadow: none; background: #fff; } }