:root {
  --canvas: #f2fde6;
  --paper: #fffef9;
  --ink: #101610;
  --muted: #536052;
  --green: #073e31;
  --green-2: #0f5944;
  --line: #d8e6cd;
  --lime: #c8f6a5;
  --rose: #f3d8cd;
  --shadow: 0 20px 56px rgba(20, 66, 43, 0.11);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--canvas); }
body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 90% 0, rgba(200, 246, 165, 0.52), transparent 27rem), var(--canvas);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
img { display: block; max-width: 100%; height: auto; }
a, button { color: inherit; }
button, input { font: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid #78af63; outline-offset: 3px; }
.shell { width: min(var(--max), calc(100% - 32px)); margin-inline: auto; }
.skip { position: fixed; z-index: 20; top: 8px; left: 8px; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.skip:focus { width: auto; height: auto; padding: 10px 14px; clip-path: none; color: white; background: var(--green); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.site-header nav { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 0; }
.brand { font-size: 13px; font-weight: 900; letter-spacing: -0.02em; text-decoration: none; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { padding: 9px 12px; border-radius: 999px; font-size: 12px; font-weight: 800; text-decoration: none; }
.nav-links .nav-cta { color: white; background: var(--green); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--green-2); font-size: 11px; font-weight: 900; letter-spacing: 0.12em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin: 18px 0 22px; font-size: clamp(3.4rem, 7.4vw, 7rem); line-height: 0.87; letter-spacing: -0.07em; }
h2 { letter-spacing: -0.05em; }
.lede { max-width: 650px; color: #354035; font-size: clamp(1.05rem, 2vw, 1.25rem); }
.button, .button-secondary { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 19px; border: 1px solid var(--green); border-radius: 999px; font-weight: 850; text-decoration: none; cursor: pointer; }
.button { color: white; background: var(--green); }
.button:hover { background: var(--green-2); }
.button:disabled { cursor: not-allowed; opacity: 0.55; }
.button-secondary { color: var(--green); background: transparent; }
.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr); gap: 54px; align-items: center; padding: 82px 0 76px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 27px; }
.hero-note { margin-top: 14px; color: var(--muted); font-size: 12px; }
.hero-accent { color: var(--green-2); }
.hero-subscribe { align-self: center; padding: 10px 3px; color: var(--green); font-size: 13px; font-weight: 850; text-underline-offset: 4px; }
.enemy-line { max-width: 880px; margin: 0 auto; padding: 0 0 26px; font-size: clamp(1.15rem, 2.2vw, 1.5rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.25; }
@media (prefers-reduced-motion: no-preference) {
  .js .proof-machine .note-chip { opacity: 0; transition: opacity 0.45s ease-out; }
  .js .proof-machine.in-view .note-chip { opacity: 1; }
  .js .proof-machine.in-view .note-chip:nth-child(2) { transition-delay: 90ms; }
  .js .proof-machine.in-view .note-chip:nth-child(3) { transition-delay: 180ms; }
}
.proof-machine, .issue-frame { padding: 12px; color: white; border-radius: 28px; background: var(--green); box-shadow: 0 30px 70px rgba(7, 62, 49, 0.22); }
.machine-top, .issue-head { display: flex; justify-content: space-between; gap: 12px; padding: 8px 6px 14px; color: #c4ddce; font-size: 10px; font-weight: 850; letter-spacing: 0.08em; text-transform: uppercase; }
.machine-card, .issue { overflow: hidden; padding: 22px; color: var(--ink); border-radius: 17px; background: var(--paper); }
.artifact-label { color: var(--green-2); font-size: 10px; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
.messy { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 13px; }
.note-chip { max-width: 145px; padding: 8px 10px; border: 1px solid #d7ddd3; border-radius: 5px; background: #f2f2eb; font-size: 10px; transform: rotate(-1deg); }
.note-chip:nth-child(2) { background: #fff0b8; transform: rotate(1deg); }
.note-chip:nth-child(3) { background: #e2f2dc; }
.machine-arrow { display: flex; align-items: center; gap: 9px; margin: 15px 0; color: var(--green); font-size: 11px; font-weight: 850; }
.machine-arrow::after { content: ""; height: 2px; flex: 1; background: var(--lime); }
.output { padding: 15px; border-radius: 13px; background: var(--lime); font-size: 12px; }
.output ul { margin: 8px 0 0; padding-left: 18px; }
.human-check { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px; align-items: center; margin-top: 13px; font-size: 11px; }
.human-check b { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; color: white; background: var(--green); }
.thesis { padding: 0 0 80px; }
.thesis-grid { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: 26px; background: var(--line); box-shadow: var(--shadow); }
.thesis-grid > div { padding: clamp(28px, 5vw, 50px); background: var(--paper); }
.thesis-grid > div:first-child { color: white; background: var(--green); }
.thesis h2 { margin: 12px 0 18px; font-size: clamp(2rem, 4vw, 3.6rem); line-height: 0.94; }
.thesis p, .section-head p { margin: 0; color: var(--muted); }
.thesis-grid > div:first-child p { color: #d4e7dc; }
.method { display: grid; gap: 12px; }
.method-step { display: grid; grid-template-columns: 46px minmax(0, 1fr); gap: 14px; align-items: start; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.method-step:last-child { padding: 0; border: 0; }
.method-step b { display: grid; width: 46px; height: 46px; place-items: center; border-radius: 14px; color: var(--green); background: var(--lime); }
.method-step span { display: block; margin-top: 3px; color: var(--muted); font-size: 13px; }
.content-section { padding: 80px 0; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr); gap: 30px; align-items: end; margin-bottom: 30px; }
.section-head h2 { margin: 10px 0 0; font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 0.92; }
.routes, .boundary, .examples { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.route, .card { min-width: 0; padding: 25px; border: 1px solid var(--line); border-radius: 22px; background: var(--paper); }
.route { display: flex; min-height: 280px; flex-direction: column; text-decoration: none; transition: transform 0.18s ease, border-color 0.18s ease; }
.route:hover { transform: translateY(-3px); border-color: #8bab7e; }
.route small { color: var(--green-2); font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
.route h3 { margin: 36px 0 12px; font-size: 1.75rem; line-height: 1; letter-spacing: -0.04em; }
.route p, .card p { color: var(--muted); font-size: 13px; }
.route strong { margin-top: auto; color: var(--green); font-size: 13px; }
.route strong::after { content: " →"; }
.proof-section { color: white; background: var(--green); }
.proof-section .eyebrow { color: var(--lime); }
.proof-section .section-head p { color: #c8ddd1; }
.case { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 16px; }
.case-copy, .case-artifact { padding: clamp(25px, 4vw, 42px); border-radius: 24px; }
.case-copy { border: 1px solid rgba(255,255,255,0.14); background: rgba(255,255,255,0.08); }
.case-copy h3 { margin: 12px 0 18px; font-size: 2.25rem; line-height: 0.97; }
.case-copy p { color: #d3e5da; }
.case-artifact { color: var(--ink); background: var(--paper); }
.before-after { display: grid; grid-template-columns: 1fr auto 1fr; gap: 12px; align-items: center; }
.doc { padding: 17px; border: 1px solid var(--line); border-radius: 15px; background: #f4f5ef; }
.doc.after { background: var(--lime); }
.doc p { margin: 12px 0 0; color: var(--muted); font-size: 12px; }
.judgment { margin-top: 14px; padding: 15px; border-left: 5px solid var(--green); background: #eef6e9; font-size: 13px; }
.learning-grid { display: grid; grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); gap: 18px; align-items: start; }
.review-loop { position: sticky; top: 22px; min-width: 0; margin: 0; padding: clamp(24px, 4vw, 38px); border-radius: 26px; color: white; background: var(--green); box-shadow: var(--shadow); }
.review-loop figcaption strong, .review-loop figcaption span { display: block; }
.review-loop figcaption strong { max-width: 460px; font-size: clamp(1.7rem, 3vw, 2.5rem); line-height: 0.98; letter-spacing: -0.04em; }
.review-loop figcaption span { max-width: 500px; margin-top: 10px; color: #cee1d6; font-size: 13px; }
.loop-track { position: relative; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 28px; }
.loop-stage { position: relative; min-width: 0; min-height: 130px; padding: 17px; border: 1px solid rgba(255,255,255,0.16); border-radius: 17px; }
.loop-stage small, .loop-stage strong, .loop-stage span { display: block; }
.loop-stage small { color: #bfd6c9; font-size: 9px; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
.loop-stage strong { margin-top: 16px; font-size: 1.25rem; }
.loop-stage span { margin-top: 3px; color: #d4e4da; font-size: 11px; }
.loop-stage b { position: absolute; top: 12px; right: 12px; display: grid; width: 25px; height: 25px; place-items: center; border-radius: 50%; color: var(--green); background: var(--lime); font-size: 10px; }
.machine-stage { background: rgba(255,255,255,0.07); }
.human-stage { color: var(--ink); border-color: var(--lime); background: var(--lime); }
.human-stage small, .human-stage span { color: #31513e; }
.human-stage b { color: white; background: var(--green); }
.loop-gate { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; color: var(--lime); font-size: 10px; font-weight: 900; letter-spacing: 0.1em; text-transform: uppercase; }
.loop-gate::before, .loop-gate::after { content: ""; height: 1px; flex: 1; background: rgba(200,246,165,0.42); }
.figure-note, .media-note { margin: 18px 0 0; color: #bdd3c6; font-size: 10px; }
.resource-list { display: grid; gap: 10px; min-width: 0; }
.resource { min-width: 0; padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); }
.resource-video { border-color: #8baa7f; background: #fbfff7; }
.resource-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.resource-meta span { padding: 4px 7px; border-radius: 999px; color: var(--green-2); background: #eaf5e4; font-size: 9px; font-weight: 900; letter-spacing: 0.06em; text-transform: uppercase; }
.resource h3 { margin: 14px 0 9px; font-size: 1.35rem; line-height: 1.05; letter-spacing: -0.03em; }
.resource p { margin-bottom: 14px; color: var(--muted); font-size: 12px; }
.resource a { color: var(--green); font-size: 12px; font-weight: 900; text-underline-offset: 4px; }
.media-note { margin: 3px 8px 0; color: var(--muted); }
.about { display: grid; grid-template-columns: 270px minmax(0, 1fr) minmax(240px, 0.55fr); gap: 28px; align-items: center; padding: 50px 0; }
.portrait-wrap { display: grid; width: 270px; height: 190px; overflow: hidden; place-items: end center; border: 9px solid var(--paper); border-radius: 28px; background: var(--green); box-shadow: var(--shadow); }
.portrait-wrap img { width: 100%; max-height: 100%; object-fit: contain; object-position: center bottom; }
.about h2 { margin: 10px 0 13px; font-size: clamp(2.1rem, 4vw, 3.7rem); line-height: 0.94; }
.about p { color: var(--muted); }
.about-note { padding: 20px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); font-size: 13px; }
.newsletter { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; margin: 20px auto 80px; padding: clamp(28px, 5vw, 52px); border-radius: 28px; background: var(--lime); }
.newsletter h2 { margin: 9px 0 12px; font-size: clamp(2rem, 4vw, 3.7rem); line-height: 0.94; }
.consolidated-proof { padding: 88px 0; }
.proof-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(260px, 0.55fr); gap: 32px; align-items: end; margin-bottom: 32px; }
.proof-intro h2 { max-width: 820px; margin: 10px 0 0; font-size: clamp(2.5rem, 5.2vw, 5rem); line-height: 0.91; }
.proof-intro > p { margin: 0; color: #c8ddd1; }
.reviewer-note { display: grid; grid-template-columns: 58px minmax(0, 1fr); gap: 13px; align-items: center; margin-top: 26px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.18); color: #d3e5da; font-size: 12px; }
.reviewer-note img { width: 58px; height: 58px; object-fit: cover; object-position: center 24%; border: 3px solid var(--lime); border-radius: 50%; }
.reviewer-note strong { display: block; color: white; }
.funnel-close { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr); gap: 1px; overflow: hidden; margin: 72px auto; border: 1px solid var(--green); border-radius: 28px; background: var(--green); box-shadow: var(--shadow); }
.primary-close, .secondary-close { min-width: 0; padding: clamp(30px, 5vw, 52px); }
.primary-close { background: var(--lime); }
.primary-close h2 { max-width: 700px; margin: 9px 0 13px; font-size: clamp(2.3rem, 4.7vw, 4.4rem); line-height: 0.92; }
.primary-close p { max-width: 650px; color: #31513e; }
.primary-close .button { margin-top: 8px; }
.secondary-close { display: flex; flex-direction: column; justify-content: center; color: white; }
.secondary-close h3 { margin: 10px 0 12px; font-size: clamp(1.7rem, 3vw, 2.7rem); line-height: 0.96; letter-spacing: -0.045em; }
.secondary-close p { color: #d3e5da; font-size: 13px; }
.secondary-close a { align-self: flex-start; color: var(--lime); font-weight: 850; text-underline-offset: 4px; }
.site-footer { padding: 30px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

/* Diagnostic */
.diagnostic-hero { grid-template-columns: minmax(0, 1fr) minmax(360px, 0.85fr); }
.reveal-map { position: relative; padding: 26px; border: 1px solid #77a189; border-radius: 32px; color: white; background: linear-gradient(160deg, #0b4939, #062e26); box-shadow: var(--shadow); }
.reveal-path { display: grid; gap: 8px; }
.reveal-step { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 13px; align-items: center; padding: 11px 12px; border-radius: 16px; }
.reveal-step b { display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid rgba(255,255,255,0.26); border-radius: 50%; font-size: 11px; }
.reveal-step span { display: block; color: #b8d0c3; font-size: 11px; }
.reveal-step.current { border: 1px solid rgba(200,246,165,0.5); background: rgba(255,255,255,0.08); }
.reveal-step.current b { color: var(--green); background: var(--lime); }
.reveal-finish { margin-top: 16px; padding: 18px; border-radius: 17px; color: var(--ink); background: var(--lime); }
.reveal-finish strong, .reveal-finish span { display: block; }
.reveal-finish span { margin-top: 8px; color: #31513e; font-size: 11px; }
.diagnostic { overflow: hidden; border: 1px solid var(--line); border-radius: 30px; background: var(--paper); box-shadow: var(--shadow); }
.rail { display: grid; grid-template-columns: 180px minmax(0, 1fr) 220px; gap: 20px; align-items: center; padding: 20px 24px; color: white; background: var(--green); }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.step { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 8px; align-items: center; color: #a9c8b8; font-size: 12px; }
.step i { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid rgba(255,255,255,0.22); border-radius: 50%; font-style: normal; }
.step.active { color: white; font-weight: 800; }
.step.active i { color: var(--green); border-color: var(--lime); background: var(--lime); }
.privacy { margin: 0; color: #bdd4c7; font-size: 11px; }
.panel, .result { max-width: 940px; margin: auto; padding: clamp(28px, 5vw, 58px); }
.progress { height: 5px; margin-bottom: 42px; overflow: hidden; border-radius: 10px; background: #eaf1e5; }
.progress span { display: block; width: 25%; height: 100%; background: var(--green-2); transition: width 0.25s ease; }
.question, .result { display: none; }
.question.active, .result.active { display: block; }
.question h3 { margin: 8px 0 10px; font-size: clamp(1.7rem, 3.5vw, 2.75rem); line-height: 1; letter-spacing: -0.04em; }
.hint, .why { color: var(--muted); }
.options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 28px 0; }
.option { min-width: 0; padding: 17px; text-align: left; border: 1px solid var(--line); border-radius: 16px; background: white; cursor: pointer; }
.option.selected { border: 2px solid var(--green); background: #eef9e8; }
.option strong, .option span { display: block; }
.option span { margin-top: 4px; color: var(--muted); font-size: 12px; }
.controls { display: flex; justify-content: space-between; gap: 12px; }
.controls button { min-height: 45px; padding: 0 16px; border-radius: 999px; font-weight: 800; }
.result:focus { outline: none; }
.fit { display: inline-flex; padding: 7px 11px; border-radius: 999px; color: var(--green); background: var(--lime); font-size: 11px; font-weight: 900; letter-spacing: 0.08em; text-transform: uppercase; }
.result h2 { margin: 18px 0 12px; font-size: clamp(2.5rem, 5vw, 4.8rem); line-height: 0.9; }
.experiment { margin-top: 28px; padding: 24px; border-radius: 20px; color: white; background: var(--green); }
.experiment p { margin-bottom: 0; color: #d8e9df; }
.deep-gate { position: relative; margin-top: 26px; overflow: hidden; border: 1px solid #8daa80; border-radius: 26px; background: #f7fbf2; }
.kit-map-head { padding: 24px 24px 6px; }
.kit-map-head h3 { margin: 8px 0 7px; font-size: clamp(1.6rem, 3vw, 2.25rem); line-height: 1; }
.kit-map-head p { color: var(--muted); font-size: 13px; }
.kit-map { display: grid; grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1.3fr); gap: 14px; padding: 18px 24px; }
.kit-index { display: grid; gap: 8px; }
.kit-index article { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px; padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: white; }
.kit-index b { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 9px; color: var(--green); background: var(--lime); font-size: 10px; }
.kit-index span { display: block; color: var(--muted); font-size: 10px; }
.blur-stage { position: relative; min-width: 0; overflow: hidden; border: 1px solid #9caf92; border-radius: 18px; background: var(--paper); }
.locked-content { height: 100%; padding: 18px; filter: blur(6px); opacity: 0.43; pointer-events: none; user-select: none; }
.workflow-sheet { min-height: 100%; padding: 17px; border: 1px solid var(--line); border-radius: 13px; background: white; }
.workflow-row { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 9px; margin-top: 7px; padding: 9px; border-radius: 10px; background: #eff6e9; font-size: 10px; }
.gate-label { position: absolute; z-index: 2; top: 50%; left: 50%; width: min(350px, calc(100% - 28px)); padding: 14px; transform: translate(-50%, -50%); border-radius: 15px; color: white; background: var(--green); text-align: center; font-size: 12px; }
.gate-label span { display: block; margin-top: 4px; color: #d6e8de; font-size: 10px; }
.gate-offer { display: grid; grid-template-columns: minmax(0, 1fr) minmax(290px, 0.8fr); gap: 20px; padding: 22px 24px; border-top: 1px solid var(--line); background: #f8fff2; }
.kit-form, .subscribe-form { display: grid; gap: 8px; }
.kit-form label, .subscribe-form label { font-size: 12px; font-weight: 850; }
.form-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.form-row input { min-width: 0; height: 48px; padding: 0 14px; border: 1px solid #94a58b; border-radius: 12px; background: white; }
.form-message { margin: 0; color: var(--muted); font-size: 10px; }
.form-message.error { color: #702f20; }
.actions { margin-top: 22px; }

/* Subscribe and success */
.subscribe-page { background: radial-gradient(circle at 12% 0, rgba(200,246,165,0.55), transparent 24rem), var(--canvas); }
.subscribe-hero { grid-template-columns: minmax(340px, 0.9fr) minmax(0, 1.1fr); min-height: calc(100vh - 104px); padding: 46px 0 66px; }
.subscribe-hero > .subscribe-copy, .subscribe-hero > section { order: 2; }
.subscribe-hero > .issue-frame { order: 1; }
.issue-frame { background: linear-gradient(145deg, #12382f, #061d18); }
.issue { padding: 0; }
.issue-head { padding: 12px 18px; background: var(--green-2); }
.issue-cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.issue-body { padding: 23px 27px 27px; }
.issue-body h2 { margin: 10px 0; font-size: 1.75rem; line-height: 0.95; }
.issue-body p { color: #343d34; font-family: Georgia, serif; font-size: 12px; }
.distinction { margin-top: 16px; padding: 13px; border-left: 5px solid var(--green); background: #eef7e8; font-size: 11px; }
.portrait-row { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; }
.portrait-frame { width: 96px; height: 96px; flex: 0 0 96px; overflow: hidden; border: 6px solid var(--paper); border-radius: 27px; background: var(--green); box-shadow: var(--shadow); }
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; object-position: center 24%; transform: scale(1.08); }
.portrait-row strong, .portrait-row span { display: block; }
.portrait-row span { color: var(--muted); font-size: 12px; }
.subscribe-copy h1 { max-width: 650px; }
.gets { display: grid; gap: 8px; margin: 20px 0; }
.gets div { display: grid; grid-template-columns: 31px minmax(0, 1fr); gap: 10px; align-items: start; font-size: 12px; }
.gets b { display: grid; width: 29px; height: 29px; place-items: center; border-radius: 9px; color: var(--green); background: var(--lime); }
.subscribe-form { margin-top: 22px; }
.subscribe-form .form-row { grid-template-columns: minmax(0, 1fr) 258px; }
.terms { margin: 3px 0 0; color: var(--muted); font-size: 10px; }
.integration-notice { padding: 10px 12px; border: 1px solid #d2ba78; border-radius: 10px; color: #5b4817; background: #fff6da; font-size: 11px; }
.success-card { padding: clamp(25px, 4vw, 42px); border: 1px solid #88a97b; border-radius: 22px; background: var(--paper); box-shadow: var(--shadow); }
.success-check { display: grid; width: 50px; height: 50px; margin-bottom: 22px; place-items: center; border-radius: 15px; color: var(--green); background: var(--lime); font-size: 24px; font-weight: 900; }
.success-card h1 { max-width: 620px; margin: 10px 0 14px; font-size: clamp(2.7rem, 5vw, 5rem); }
.next-step { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 11px; margin-top: 22px; padding: 15px; border-radius: 14px; background: #eef7e8; }
.next-step b { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 10px; color: white; background: var(--green); }
.not-found { max-width: 760px; min-height: calc(100vh - 150px); padding: 14vh 0; }

/* First Workflow Kit */
.kit-page { background: #e8f5dd; }
.kit-hero { display: grid; grid-template-columns: minmax(0, 0.72fr) minmax(360px, 1.28fr); gap: 44px; align-items: end; padding: 72px 0 42px; }
.kit-hero h1 { max-width: 720px; }
.kit-stamp { padding: 24px; border: 2px solid var(--green); border-radius: 20px; background: var(--lime); transform: rotate(1deg); }
.kit-stamp strong { display: block; font-size: 1.45rem; line-height: 1.05; }
.kit-stamp span { display: block; margin-top: 9px; color: #31513e; font-size: 12px; }
.workbook { margin-bottom: 80px; overflow: hidden; border: 1px solid #8daa80; border-radius: 28px; background: var(--paper); box-shadow: var(--shadow); }
.workbook-bar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding: 15px 22px; color: white; background: var(--green); font-size: 11px; font-weight: 850; }
.workbook-section { display: grid; grid-template-columns: 190px minmax(0, 1fr); border-top: 1px solid var(--line); }
.workbook-label { padding: 28px 22px; border-right: 1px solid var(--line); background: #eef7e8; }
.workbook-label strong, .workbook-label span { display: block; }
.workbook-label strong { font-size: 1.2rem; line-height: 1.05; }
.workbook-label span { margin-top: 8px; color: var(--muted); font-size: 11px; }
.workbook-body { min-width: 0; padding: 28px; }
.workbook-body h2 { margin-bottom: 10px; font-size: clamp(1.7rem, 3vw, 2.7rem); line-height: 1; }
.workbook-body > p { max-width: 760px; color: var(--muted); }
.boundary-sheet { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 22px; }
.boundary-sheet article { min-width: 0; padding: 17px; border: 1px solid var(--line); border-radius: 15px; background: white; }
.boundary-sheet b { color: var(--green-2); font-size: 12px; }
.boundary-sheet p { margin: 7px 0 0; color: var(--muted); font-size: 12px; }
.prompt-block { margin-top: 20px; padding: 22px; border-left: 7px solid var(--lime); border-radius: 0 16px 16px 0; color: #e2f0e8; background: var(--green); white-space: pre-line; }
.review-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 20px; }
.review-list div { padding: 15px; border-radius: 13px; background: #eef7e8; font-size: 12px; }
.review-list strong { display: block; margin-bottom: 3px; }
.scorecard { width: 100%; margin-top: 20px; border-collapse: collapse; font-size: 12px; }
.scorecard th, .scorecard td { padding: 12px 10px; border: 1px solid var(--line); text-align: left; }
.scorecard th { color: white; background: var(--green); }
.scorecard td { height: 44px; }
.kit-note { margin-top: 18px; padding: 16px; border: 1px solid #d2ba78; border-radius: 14px; background: #fff6da; font-size: 12px; }

@media (max-width: 840px) {
  .hero, .thesis-grid, .section-head, .case, .learning-grid, .proof-intro, .funnel-close { grid-template-columns: 1fr; }
  .routes, .examples { grid-template-columns: 1fr; }
  .route { min-height: 0; }
  .about { grid-template-columns: 220px 1fr; }
  .portrait-wrap { width: 220px; height: 155px; }
  .about-note { grid-column: 1 / -1; }
  .review-loop { position: static; }
  .newsletter { grid-template-columns: 1fr; justify-items: start; }
  .rail, .kit-map, .gate-offer { grid-template-columns: 1fr; }
  .subscribe-hero { display: flex; min-height: 0; flex-direction: column; align-items: stretch; gap: 24px; padding: 38px 0 46px; }
  .subscribe-copy { display: contents; }
  .subscribe-hero > section { order: 1; }
  .subscribe-copy .portrait-row { order: 1; }
  .subscribe-copy > .eyebrow { order: 2; align-self: flex-start; }
  .subscribe-copy > h1 { order: 3; }
  .subscribe-copy > .lede { order: 4; }
  .subscribe-copy > .gets { order: 5; }
  .subscribe-copy > form { order: 6; }
  .subscribe-hero > .issue-frame { order: 7; width: 100%; max-width: 560px; }
  .subscribe-hero .issue-body { display: none; }
  .kit-hero { grid-template-columns: 1fr; }
  .workbook-section { grid-template-columns: 1fr; }
  .workbook-label { border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 22px, var(--max)); }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding: 48px 0; }
  h1 { font-size: 3.35rem; }
  .hero-actions, .options, .boundary, .form-row, .subscribe-form .form-row { grid-template-columns: 1fr; }
  .hero-actions { display: grid; }
  .hero-subscribe { justify-self: start; }
  .content-section { padding: 56px 0; }
  .before-after { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; }
  .portrait-wrap { width: min(100%, 270px); height: auto; aspect-ratio: 1.5; }
  .about-note { grid-column: auto; }
  .rail { padding: 18px; }
  .steps { width: 100%; }
  .step { display: block; text-align: center; }
  .step span { display: none; }
  .step i { margin: auto; }
  .panel, .result { padding: 26px 18px; }
  .kit-map { padding: 14px; }
  .kit-map-head, .gate-offer { padding: 19px 14px; }
  .locked-content { height: 285px; padding: 10px; }
  .portrait-frame { width: 74px; height: 74px; flex-basis: 74px; border-width: 5px; border-radius: 21px; }
  .subscribe-hero { gap: 10px; padding: 18px 0 30px; }
  .subscribe-copy h1 { font-size: clamp(2.35rem, 10.8vw, 3rem); }
  .gets { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 5px; }
  .gets div { display: block; padding: 7px; border: 1px solid var(--line); border-radius: 10px; background: rgba(255,255,255,0.55); font-size: 9px; }
  .gets b { width: 21px; height: 21px; margin-bottom: 5px; }
  .subscribe-form button { justify-self: center; width: min(270px, 90%); }
  .boundary-sheet, .review-list { grid-template-columns: 1fr; }
  .workbook-body { padding: 22px 16px; }
  .scorecard { font-size: 10px; }
  .scorecard th, .scorecard td { padding: 9px 6px; }
}

@media print {
  .kit-page { background: white; }
  .kit-page .site-header, .kit-page .site-footer, .kit-stamp { display: none; }
  .kit-hero { display: block; padding: 20px 0; }
  .kit-hero h1 { font-size: 42px; }
  .workbook { margin: 0; border: 0; box-shadow: none; }
  .workbook-section { break-inside: avoid; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .route, .progress span { transition: none; }
}

/* Sunday Letter apex (direction A) */
.letter-page { background: var(--paper); }
.letter-hero { max-width: 740px; padding: 56px 0 8px; }
.letter-hero .portrait-row { margin-bottom: 26px; }
.letter-hero .dateline {
  margin: 0; color: var(--green-2); font-size: 11px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  font-family: Inter, ui-sans-serif, -apple-system, "Segoe UI", sans-serif;
}
.letter-hero h1 {
  margin: 14px 0 0; max-width: 100%;
  font-family: Georgia, "Times New Roman", serif; font-weight: 600;
  font-size: clamp(2.4rem, 6vw, 3.9rem); line-height: 1.04; letter-spacing: -0.015em;
}
.letter-hero h1 em { font-style: italic; background: linear-gradient(transparent 62%, var(--lime) 62%); }
.letter-hero .lede {
  margin: 22px 0 0; max-width: 100%; color: #354035;
  font-family: Georgia, "Times New Roman", serif; font-size: 1.15rem; line-height: 1.55;
}
.letter-hero .issue-top {
  display: flex; justify-content: space-between; gap: 12px; padding: 10px 16px;
  background: var(--green); color: #c4ddce;
  font-family: Inter, ui-sans-serif, sans-serif;
  font-size: 10px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
}
.letter-hero .issue-body h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem; line-height: 1.15; letter-spacing: 0;
}
.letter-hero .issue-body p, .letter-hero .issue-body li {
  font-family: Georgia, "Times New Roman", serif; color: #3c453c;
}
.letter-hero .issue-body li b { font-family: Inter, ui-sans-serif, sans-serif; color: var(--green); }
.subscribe-box {
  margin: 26px 0 0; padding: 22px; border: 1px solid var(--green);
  border-radius: 14px; background: var(--canvas);
}
.subscribe-box > p:first-child {
  margin: 0 0 12px; font-size: 0.85rem; color: #31513e;
  font-family: Inter, ui-sans-serif, sans-serif;
}
.subscribe-box .portrait-row { margin-bottom: 16px; }
.subscribe-box .portrait-frame.small {
  width: 56px; height: 56px; flex-basis: 56px; border-width: 4px; border-radius: 18px;
}
.subscribe-box .portrait-row strong, .subscribe-box .portrait-row span {
  font-family: Inter, ui-sans-serif, sans-serif;
}
.letter-form label { font-size: 12px; font-weight: 850; font-family: Inter, ui-sans-serif, sans-serif; }
.letter-form .form-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; margin-top: 6px; }
.letter-form .form-row input {
  min-width: 0; height: 48px; padding: 0 14px;
  border: 1px solid #94a58b; border-radius: 10px; background: #fff; font: inherit;
}
.letter-form .form-message { margin: 8px 0 0; font-size: 10px; color: var(--muted); }
.letter-form .form-message.error { color: #702f20; }
.subscribe-box .fine { margin: 10px 0 0; font-size: 11px; color: var(--muted); }
.letter-block { max-width: 740px; padding: 64px 0 0; }
.letter-block:last-of-type { padding-bottom: 8px; }
.letter-block .rule { width: 56px; height: 3px; background: var(--green); margin: 0 0 22px; }
.letter-block h2 {
  margin: 0 0 10px; font-family: Georgia, "Times New Roman", serif; font-weight: 600;
  font-size: clamp(1.7rem, 4vw, 2.4rem); line-height: 1.1; letter-spacing: -0.01em;
}
.letter-block p { color: #3c453c; font-family: Georgia, "Times New Roman", serif; }
.letter-fornot { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.letter-fornot div {
  padding: 18px; border: 1px solid var(--line); border-radius: 12px;
  background: #fff; font-size: 0.92rem;
}
.letter-fornot p { margin: 0; font-family: Inter, ui-sans-serif, sans-serif; }
.letter-fornot ul { margin: 8px 0 0; padding-left: 18px; color: #3c453c; }
.letter-link { color: var(--green); font-weight: 700; text-underline-offset: 4px; }
.letter-close {
  max-width: 740px; margin: 64px auto; padding: 56px 32px; border-radius: 20px;
  background: var(--green); color: #fff; text-align: center;
}
.letter-close h2 {
  margin: 0 0 12px; font-family: Georgia, "Times New Roman", serif; font-weight: 600;
  font-size: clamp(1.9rem, 4.5vw, 2.8rem); line-height: 1.08;
}
.letter-close p { color: #c8ddd1; margin: 0 0 26px; }
.letter-close .button { background: var(--lime); color: var(--green); border-color: var(--lime); }
.letter-close .button:hover { background: #d8f9bd; }
.letter-close .letter-alt { display: block; margin-top: 16px; color: var(--lime); font-size: 0.85rem; font-weight: 600; }
@media (max-width: 600px) {
  .letter-fornot, .letter-form .form-row { grid-template-columns: 1fr; }
  .letter-hero { padding-top: 40px; }
  .letter-close { margin: 48px auto; padding: 40px 22px; }
}