/* Hustle Lab — storefront. Layout: one narrow reading column, product "spec sheet" blocks, lime used only for actions and highlights. */
:root {
  --bg: #121311;        /* charcoal, slight green bias toward the lime */
  --panel: #1b1d19;
  --line: #2c2f28;
  --fg: #f2f4ee;
  --muted: #a3a89b;
  --lime: #c6ff3d;
  --ink: #121311;       /* text on lime */
  --display: "Archivo", "Inter Tight", system-ui, sans-serif;
  --body: "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --wrap: 1080px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 17px/1.6 var(--body); }
a { color: inherit; }
img, svg { max-width: 100%; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.narrow { max-width: 720px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.05; text-wrap: balance; margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 6.4vw, 4.6rem); font-weight: 900; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 800; letter-spacing: -0.01em; }
p { margin: 0; }
.hl { color: var(--lime); }
.label { font: 600 0.74rem/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.muted { color: var(--muted); }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; border-radius: 4px; }

/* Header */
.top { border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 18px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 900 1.05rem/1 var(--display); letter-spacing: 0.04em; }
.logo .mark { width: 30px; height: 30px; border-radius: 8px; background: var(--lime); color: var(--ink); display: grid; place-items: center; font-size: 0.95rem; }
.top nav { display: flex; gap: 22px; font-size: 0.95rem; }
.top nav a { text-decoration: none; color: var(--muted); }
.top nav a:hover { color: var(--fg); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; border-radius: 999px; font: 800 1rem/1 var(--body); text-decoration: none; border: 2px solid transparent; transition: transform .15s ease, background .15s ease; }
.btn-buy { background: var(--lime); color: var(--ink); }
.btn-buy:hover { transform: translateY(-2px); }
.btn-ghost { border-color: var(--line); color: var(--fg); }
.btn-ghost:hover { border-color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero */
.hero { padding-block: clamp(48px, 9vw, 96px) 56px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero-copy { display: grid; gap: 24px; min-width: 0; }
.hero-copy .lede { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 20px; font: 500 0.85rem/1.4 var(--mono); color: var(--muted); }
.facts span::before { content: "✓ "; color: var(--lime); }

/* Cover mock */
.cover { aspect-ratio: 3 / 4; max-width: 100%; width: 100%; max-width: 380px; justify-self: center; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: grid; grid-template-rows: auto 1fr auto; gap: 18px; box-shadow: 0 30px 60px -30px rgba(0,0,0,.8); transform: rotate(2deg); }
.cover .pin { width: 44px; height: 56px; }
.cover h3 { font-size: clamp(1.6rem, 3vw, 2.1rem); font-weight: 900; line-height: 1.02; align-self: end; }
.cover .meta { display: flex; justify-content: space-between; font: 600 0.72rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); border-top: 1px solid var(--line); padding-top: 14px; }

/* Sections */
section.block { padding-block: 72px; border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 12px; margin-bottom: 36px; max-width: 40em; }

/* Contents list — real guide sections, in reading order */
.toc { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; counter-reset: s; }
.toc li { counter-increment: s; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 4px 12px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.toc li::before { content: counter(s, decimal-leading-zero); font: 700 0.95rem/1.4 var(--mono); color: var(--lime); grid-row: span 2; }
.toc p { color: var(--muted); font-size: 0.95rem; }

/* Sample pages */
.samples { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.sample { background: var(--fg); color: #1d1f1a; border-radius: 12px; padding: 20px; display: grid; gap: 12px; align-content: start; min-width: 0; font-size: 0.82rem; line-height: 1.45; }
.sample .pg { display: flex; justify-content: space-between; font: 700 0.66rem/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: #6c7064; }
.sample h4 { margin: 0; font: 800 1rem/1.15 var(--display); }
.sample ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.sample li { display: grid; grid-template-columns: 16px minmax(0, 1fr); gap: 8px; }
.box { width: 14px; height: 14px; border: 2px solid #1d1f1a; border-radius: 3px; margin-top: 2px; }
.box.on { background: #1d1f1a; box-shadow: inset 0 0 0 2px #f2f4ee; }
.mail { border: 1px solid #d6d9cf; border-radius: 8px; padding: 12px; display: grid; gap: 6px; }
.mail b { font-weight: 700; }
.flow { display: grid; gap: 8px; }
.flow div { border: 1.5px solid #1d1f1a; border-radius: 8px; padding: 8px 10px; font-weight: 700; display: flex; justify-content: space-between; }
.flow div span { font: 600 0.7rem/1.6 var(--mono); color: #6c7064; }
.caption { margin-top: 14px; font-size: 0.85rem; }

/* Fit */
.fit { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.fit > div { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 26px; display: grid; gap: 14px; align-content: start; }
.fit ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; color: var(--muted); }

/* Buy panel */
.buy { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 32px; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: clamp(24px, 4vw, 40px); }
.price { font: 900 3.4rem/1 var(--display); letter-spacing: -0.03em; }
.price small { font: 600 0.85rem/1 var(--mono); color: var(--muted); letter-spacing: 0.08em; margin-left: 6px; }

/* FAQ */
.faq { display: grid; gap: 0; }
.faq details { border-bottom: 1px solid var(--line); padding-block: 18px; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--lime); font: 700 1.3rem/1 var(--mono); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); margin-top: 10px; max-width: 42em; }

/* More guides */
.shelf { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.shelf .item { border: 1px dashed var(--line); border-radius: 14px; padding: 22px; display: grid; gap: 8px; color: var(--muted); }
.shelf .item.live { border: 1px solid var(--lime); color: var(--fg); }

/* Footer */
footer { border-top: 1px solid var(--line); padding-block: 40px 56px; font-size: 0.88rem; color: var(--muted); }
footer .wrap { display: grid; gap: 18px; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer nav a { text-decoration: none; }
footer nav a:hover { color: var(--fg); }
.mono-sel { font-family: var(--mono); user-select: all; color: var(--fg); }

/* Legal / thanks pages */
.doc { padding-block: 56px 80px; display: grid; gap: 22px; }
.doc h2 { font-size: 1.35rem; margin-top: 18px; }
.doc p, .doc li { color: var(--muted); }
.doc ul { margin: 0; padding-left: 1.2em; display: grid; gap: 6px; }
.draft { border: 1px solid var(--lime); color: var(--fg); border-radius: 10px; padding: 14px 16px; font-size: 0.9rem; }

@media (max-width: 860px) {
  .hero-grid, .buy { grid-template-columns: minmax(0, 1fr); }
  .cover { max-width: 300px; transform: none; }
  .toc, .fit, .samples, .shelf { grid-template-columns: minmax(0, 1fr); }
  .top nav { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
.sample-img { margin: 0; display: grid; gap: 10px; min-width: 0; }
.sample-img img { display: block; width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); background: #fff; }
.sample-img figcaption { display: flex; justify-content: space-between; gap: 12px; font: 600 0.78rem/1.3 var(--mono); color: var(--muted); }
.cover-real { margin: 0; justify-self: center; width: 100%; max-width: 360px; transform: rotate(2deg); }
.cover-real img { display: block; width: 100%; height: auto; border-radius: 6px; box-shadow: 0 30px 60px -24px rgba(0,0,0,.85), 0 0 0 1px var(--line); }
.toc li:last-child:nth-child(odd) { grid-column: 1 / -1; }
@media (max-width: 860px) { .cover-real { max-width: 280px; transform: none; } }