/* Zero Puffs landing — one stylesheet, no build step. */

:root {
  --ground: #F4F4F0;
  --surface: #FFFFFF;
  --ink: #121212;
  --ink-2: #3D3D38;
  --muted: #55554F;
  --line: #D9D9D2;
  --line-strong: #C9C9C1;
  --dark: #121212;
  --dark-2: #1B1B19;
  --dark-line: #2E2E2B;
  --on-dark: #FFFFFF;
  --on-dark-soft: #D4D4CC;
  --on-dark-muted: #A8A8A0;
  /* One accent, used as a fill under dark text or as text on dark. Alternatives: #7DD3FC, #FDBA74. */
  --accent: #C8F542;

  --font-display: 'Bricolage Grotesque', 'Instrument Sans', sans-serif;
  --font-body: 'Instrument Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --container: 1180px;
  --gutter: 24px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--font-display); margin: 0; }
p { margin: 0; }
a { color: var(--ink); }
a:hover { color: var(--ink-2); }
:focus-visible { outline: 3px solid var(--ink); outline-offset: 3px; }
.section--dark :focus-visible { outline-color: var(--accent); }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Type ---------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.section--dark .eyebrow { color: var(--accent); }

.h1 {
  font-size: clamp(44px, 6vw, 80px);
  line-height: 0.98;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.h2 {
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.h3 { font-size: 22px; font-weight: 700; }

.lead { font-size: 20px; line-height: 1.5; color: var(--ink-2); max-width: 560px; }
.body { font-size: 16px; line-height: 1.55; color: var(--ink-2); }
.small { font-size: 14px; line-height: 1.5; color: var(--muted); }

.section-head { display: flex; flex-direction: column; gap: 14px; max-width: 780px; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  cursor: pointer;
}
.btn--primary { background: var(--ink); color: #FFFFFF; }
.btn--primary:hover { background: #2A2A27; color: #FFFFFF; }
.btn--outline { background: transparent; color: var(--ink); }
.btn--outline:hover { background: var(--surface); }
.btn--lg { min-height: 56px; padding: 0 28px; font-size: 18px; font-weight: 700; }
.btn--block { display: flex; width: 100%; }

/* ---------- Header ---------- */

.site-header { border-bottom: 1px solid var(--line); }
.site-header .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
}
/* Logo mark: slashed zero on the accent tile. Same art as favicon.svg. */
.brand-mark {
  display: block;
  flex: none;
  width: 32px;
  height: 32px;
}

.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 24px; font-size: 15px; font-weight: 500; }
.nav a:not(.btn) { text-decoration: none; padding: 12px 0; }

/* ---------- Hero ---------- */

.hero { display: flex; flex-wrap: wrap; gap: 56px; align-items: center; padding-top: 72px; padding-bottom: 96px; }
.hero__copy { flex: 1 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 28px; }

.seg { border: 0; margin: 0; padding: 0; min-width: 0; }
.seg legend { font-weight: 600; font-size: 15px; padding: 0; margin-bottom: 12px; }
.seg__options { display: flex; flex-wrap: wrap; gap: 10px; }
.seg__btn {
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
}
.seg__btn[aria-pressed="true"] { background: var(--accent); }
.seg__note { font-size: 15px; line-height: 1.5; color: var(--muted); margin-top: 12px; }

.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 20px; }

/* Level map card (preview of guide page 6) */
.levelmap {
  flex: 1 1 380px;
  min-width: 0;
  max-width: 500px;
  background: var(--dark);
  color: var(--on-dark);
  border-radius: 28px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.levelmap__top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tag--muted { color: var(--on-dark-muted); font-weight: 500; }
.tag--pill { color: var(--ink); background: var(--accent); padding: 6px 10px; border-radius: 999px; }
.levelmap__title { font-size: 34px; line-height: 1.05; font-weight: 800; }
.levelmap__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.levelmap__item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--dark-line);
  border-radius: 16px;
}
.levelmap__item--boss { border: 2px solid var(--accent); background: var(--dark-2); }
.levelmap__lv { flex: 0 0 44px; font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--on-dark-muted); padding-top: 4px; }
.levelmap__item--boss .levelmap__lv { color: var(--accent); }
.levelmap__text { display: flex; flex-direction: column; gap: 2px; }
.levelmap__name { font-weight: 700; font-size: 17px; }
.levelmap__desc { font-size: 14px; color: var(--on-dark-muted); }
.levelmap__item--boss .levelmap__desc { color: var(--on-dark-soft); }

/* ---------- Sections ---------- */

.section { padding-top: 96px; padding-bottom: 96px; }
.section--white { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section--dark { background: var(--dark); color: var(--on-dark); }
.stack-40 { display: flex; flex-direction: column; gap: 40px; }

.grid-auto { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }

.card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--ground);
}
.card svg { color: var(--ink); }

/* How it works */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.step {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 20px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.step--boss { border: 2px solid var(--ink); background: var(--accent); }
.step__label { font-family: var(--font-mono); font-size: 12px; font-weight: 600; letter-spacing: 0.06em; color: var(--muted); }
.step--boss .step__label, .step--boss .body { color: var(--ink); }
.step .body { font-size: 15px; }

/* What's inside */
.inside { display: flex; flex-wrap: wrap; gap: 56px; align-items: center; }
.inside__copy { flex: 1 1 480px; min-width: 0; display: flex; flex-direction: column; gap: 28px; }

.checklist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; font-size: 17px; line-height: 1.45; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist svg { flex: 0 0 auto; margin-top: 1px; }
.checklist--compact { gap: 12px; font-size: 16px; }

.pages { flex: 1 1 380px; min-width: 0; position: relative; height: 420px; }
.page {
  position: absolute;
  width: 56%;
  height: 320px;
  border-radius: 14px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.page--1 { left: 0; top: 48px; background: var(--surface); border: 1px solid var(--line-strong); transform: rotate(-6deg); }
.page--2 { left: 22%; top: 12px; background: var(--dark); color: var(--on-dark); transform: rotate(2deg); gap: 10px; }
.page--3 { left: 44%; top: 72px; background: var(--accent); border: 1.5px solid var(--ink); transform: rotate(7deg); }
.page__num { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.page--2 .page__num { color: var(--on-dark-muted); }
.page--3 .page__num { color: var(--ink); }
.page__title { font-family: var(--font-display); font-weight: 800; font-size: 22px; line-height: 1.05; }
.page__text { font-size: 13px; line-height: 1.5; }
.page__line { height: 8px; border-radius: 4px; background: #E8E8E2; }
.page--3 .page__line { background: rgba(18, 18, 18, 0.15); }
.page__row { height: 26px; border: 1px solid #3A3A36; border-radius: 8px; }
.page__row--boss { border: 2px solid var(--accent); }

/* Evidence */
.evidence-card {
  background: var(--dark-2);
  border: 1px solid var(--dark-line);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.evidence-card__big { font-family: var(--font-display); font-weight: 800; font-size: 52px; line-height: 1; color: var(--accent); }
.evidence-card .h3 { font-size: 20px; }
.evidence-card__body { font-size: 15px; line-height: 1.55; color: var(--on-dark-soft); }
.evidence-card__src { font-family: var(--font-mono); font-size: 12px; color: var(--on-dark-muted); }
.evidence-card__src a { color: var(--on-dark-muted); }

.note {
  border: 2px solid var(--accent);
  border-radius: 20px;
  padding: 24px 28px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: 16px;
  line-height: 1.6;
}
.note svg { flex: 0 0 auto; margin-top: 2px; }

/* Pricing */
.get { display: flex; flex-direction: column; align-items: center; gap: 32px; }
.pills { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.pills li { padding: 10px 16px; border: 1px solid var(--line-strong); border-radius: 999px; font-size: 15px; font-weight: 600; background: var(--surface); }

.price-card {
  width: 100%;
  max-width: 560px;
  background: var(--surface);
  border: 1.5px solid var(--ink);
  border-radius: 28px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.price { display: flex; align-items: baseline; gap: 10px; }
.price__value { font-family: var(--font-display); font-weight: 800; font-size: 56px; line-height: 1; }

.checkbox { width: 20px; height: 20px; margin: 1px 0 0; flex: 0 0 auto; accent-color: var(--ink); }

.form-status { font-size: 15px; color: var(--ink-2); }

/* FAQ */
.faq { max-width: 820px; }
.faq__list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.faq summary { cursor: pointer; list-style: none; font-weight: 700; font-size: 18px; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); font-weight: 600; }
.faq details[open] summary::after { content: "−"; }
.faq details p { font-size: 16px; line-height: 1.6; color: var(--ink-2); margin-top: 12px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); }
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 32px;
  padding-top: 32px;
  padding-bottom: 40px;
  font-size: 14px;
  color: var(--muted);
}
.site-footer p { line-height: 1.6; padding: 12px 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 4px 20px; }
.site-footer a { color: var(--muted); padding: 12px 0; }

/* ---------- Buy and thank-you pages ---------- */

.checkout { display: flex; justify-content: center; padding-top: 64px; padding-bottom: 96px; }
.checkout__inner { width: 100%; max-width: 600px; display: flex; flex-direction: column; gap: 28px; }
.checkout__head { display: flex; flex-direction: column; gap: 16px; }
.checkout__badge { align-self: flex-start; }
.checkout__title { font-size: clamp(36px, 5vw, 56px); line-height: 1.02; font-weight: 800; letter-spacing: -0.02em; }

.order-card {
  background: var(--surface);
  border: 1.5px solid var(--ink);
  border-radius: 28px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.order-card__line {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}
.order-card__price { font-family: var(--font-display); font-weight: 800; font-size: 36px; line-height: 1; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; line-height: 1.5; cursor: pointer; }


/* ---------- Small screens ---------- */

@media (max-width: 640px) {
  .hero { padding-top: 48px; padding-bottom: 64px; gap: 40px; }
  .section { padding-top: 64px; padding-bottom: 64px; }
  .levelmap, .price-card, .order-card { padding: 24px; }
  .pages { height: 380px; }
  .page { height: 290px; }
  .nav a:not(.btn) { display: none; }
}