:root {
  color-scheme: light dark;
  --background: #e8dfcf;
  --surface: #e8eaed;
  --surface-high: color-mix(in srgb, var(--surface) 50%, var(--background));
  --action: #ff4a1c;
  --data: #141927;
  --text: #0a0e1a;
  --muted: #2b3447;
  --line: color-mix(in srgb, var(--text) 20%, var(--background));
  --accent-text: var(--text);
  --mono: "SFMono-Regular", Consolas, monospace;
  --sans: "Arial", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #0a0e1a;
    --surface: #141927;
    --surface-high: #1a2131;
    --data: #4fd1ff;
    --text: #e8eaed;
    --muted: #8b92a8;
    --line: #2b3447;
    --accent-text: var(--action);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-block: 24px 100px; }
body { margin: 0; min-width: 320px; background: var(--background); color: var(--text); font-family: var(--sans); line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--data); outline-offset: 5px; }
::selection { background: var(--action); color: #0a0e1a; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; }
p { margin-bottom: 0; }
.shell, .section-shell { width: min(100% - 96px, 1160px); margin-inline: auto; }
.section-shell { padding-block: 88px; }
.skip-link { position: fixed; z-index: 20; top: 8px; left: 8px; transform: translateY(-160%); background: var(--text); color: var(--background); padding: 12px 16px; font-weight: 700; }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 90px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; flex: none; text-decoration: none; }
.brand-mark { position: relative; display: grid; place-items: center; width: 30px; height: 30px; border: 2px solid var(--action); transform: rotate(-12deg); }
.brand-mark::before, .brand-mark::after { position: absolute; content: ""; background: var(--action); }
.brand-mark::before { width: 11px; height: 2px; transform: translate(-3px, 2px) rotate(45deg); }
.brand-mark::after { width: 18px; height: 2px; transform: translate(4px, -1px) rotate(-45deg); }
.brand-mark span { position: absolute; width: 6px; height: 6px; top: -5px; right: -5px; background: var(--background); border: 1px solid var(--action); }
.brand-name { font-size: 15px; font-weight: 800; letter-spacing: .04em; white-space: nowrap; }
.brand-slash, .footer-brand span { color: var(--accent-text); margin-left: 4px; }
.main-nav { display: flex; gap: 28px; margin-left: auto; }
.main-nav a, .header-cta { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; text-decoration: none; }
.main-nav a { color: var(--muted); }
.header-cta { gap: 16px; padding-inline: 16px; border: 1px solid var(--line); border-radius: 6px; font-weight: 700; }
.header-cta:hover { border-color: var(--text); }
.hero { display: grid; grid-template-columns: minmax(0, 1.13fr) minmax(0, 1fr); align-items: center; gap: 64px; padding-block: 76px 80px; }
.eyebrow, .section-code, .micro-label, .step-number, .card-topline, .time-label, .trial-label { font-family: var(--mono); }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .035em; }
.status-light { display: inline-block; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--action); }
.hero h1 { margin: 24px 0; font-size: clamp(42px, 5.3vw, 74px); font-weight: 800; letter-spacing: -.06em; line-height: 1.04; }
.hero h1 em { position: relative; color: var(--accent-text); font-style: normal; }
.hero h1 em::after { content: ""; position: absolute; bottom: -6px; left: 0; width: 100%; height: 3px; background: var(--action); }
.hero-lead { max-width: 490px; margin-bottom: 28px; font-size: 18px; line-height: 1.6; color: var(--muted); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 35px; min-height: 56px; padding: 14px 24px; border: 1px solid transparent; border-radius: 6px; text-decoration: none; font: 700 16px/1.3 var(--sans); transition: transform .16s ease; }
.button:hover { transform: translateY(-2px); text-decoration: underline; }
.button-primary { color: #0a0e1a; background: var(--action); }
.button-icon { font-size: 23px; font-weight: 400; line-height: 1; }
.action-note { margin-top: 12px; font-size: 12px; color: var(--muted); }
.hero-caption { margin-top: 32px; font-size: 13px; color: var(--muted); }
.day-card { min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: 10px 10px 0 color-mix(in srgb, var(--text) 5%, transparent); }
.card-topline { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--line); padding: 17px 24px; font-size: 11px; }
.card-topline > span:first-child { display: flex; gap: 8px; align-items: center; font-weight: 600; }
.example-label { color: var(--muted); }
.day-goal { padding: 25px 24px 23px; }
.micro-label { margin-bottom: 10px; font-size: 11px; font-weight: 500; letter-spacing: .04em; color: var(--muted); }
.day-goal h2 { margin-bottom: 7px; font-size: 25px; letter-spacing: -.035em; }
.day-goal > p:last-child { color: var(--muted); font-size: 14px; }
.day-action { border: 1px solid var(--line); border-top: 3px solid var(--action); border-radius: 6px; margin-inline: 14px; padding: 20px 18px; background: var(--background); }
.card-heading { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; justify-content: space-between; }
.card-heading .micro-label { margin: 0; }
.time-label { font-size: 11px; font-weight: 600; color: var(--data); }
.day-action h3 { margin: 14px 0 20px; font-size: 21px; letter-spacing: -.02em; line-height: 1.3; }
.small-start { display: flex; gap: 12px; padding-top: 16px; border-top: 1px solid var(--line); }
.start-symbol { color: var(--accent-text); font-size: 25px; line-height: 1.2; }
.small-start strong { display: block; font-size: 14px; }
.small-start p { font-size: 13px; line-height: 1.6; color: var(--muted); margin-top: 5px; }
.day-checkin { padding: 22px 24px; }
.example-options { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.example-options > span { border: 1px solid var(--line); border-radius: 5px; padding: 7px 12px; font-size: 12px; }
.example-options > span:first-child { border-color: var(--text); }
.day-checkin > p:last-child { font-size: 13px; color: var(--muted); }
.day-footnote { display: flex; gap: 9px; border-top: 1px solid var(--line); padding: 14px 24px; color: var(--muted); font-size: 12px; }
.rhythm { display: flex; align-items: center; gap: 18px; border-block: 1px solid var(--line); padding-block: 22px; font-size: 18px; letter-spacing: -.02em; }
.rhythm > span:first-child { color: var(--muted); }
.rhythm > span:nth-child(2) { font-weight: 700; }
.rhythm-mark { margin-left: auto; color: var(--accent-text); font-size: 30px; line-height: 1; }
.section-code { margin-bottom: 22px; font-size: 11px; color: var(--data); letter-spacing: .06em; }
.section-heading { max-width: 660px; }
.section-heading h2, .closing h2 { margin-bottom: 22px; font-size: clamp(32px, 3.6vw, 48px); font-weight: 700; letter-spacing: -.045em; line-height: 1.1; }
.section-heading > p:last-child:not(.section-code), .closing > div > p:last-child { max-width: 570px; font-size: 17px; color: var(--muted); line-height: 1.65; }
.steps-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 0; margin: 42px 0 0; list-style: none; border-block: 1px solid var(--line); }
.step { padding: 28px 22px; }
.step:first-child { padding-left: 0; }
.step:last-child { padding-right: 0; }
.step + .step { border-left: 1px solid var(--line); }
.step-number { display: block; margin-bottom: 28px; color: var(--accent-text); font-size: 13px; }
.step h3, .principles h3 { margin-bottom: 12px; font-size: 20px; letter-spacing: -.025em; line-height: 1.25; }
.step p, .principles p { color: var(--muted); font-size: 15px; line-height: 1.65; }
.support { border-top: 1px solid var(--line); }
.support-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 72px; align-items: start; margin-top: 40px; }
.principles { padding-block: 6px; }
.principles article { display: flex; gap: 20px; }
.principles article + article { margin-top: 32px; }
.principles article > span { flex: none; width: 24px; font-size: 26px; color: var(--accent-text); line-height: 1; }
.principles h3 { margin-bottom: 8px; }
.evening-card { padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.evening-card h3 { font-size: 26px; letter-spacing: -.035em; margin: 18px 0 24px; line-height: 1.2; }
.evening-card dl { margin: 0; }
.evening-card dl > div { padding-block: 14px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 95px minmax(0, 1fr); gap: 16px; }
.evening-card dt { color: var(--muted); font-size: 12px; }
.evening-card dd { margin: 0; font-size: 14px; }
.evening-note { padding-top: 18px; margin-top: 2px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.pricing { border-top: 1px solid var(--line); }
.price-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); margin-top: 36px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.price-main { padding: 36px; }
.trial-label { display: inline-block; margin-bottom: 20px; padding: 5px 9px; background: var(--text); color: var(--background); font-size: 11px; letter-spacing: .04em; border-radius: 3px; }
.price-main h3 { margin-bottom: 17px; font-size: 36px; letter-spacing: -.04em; }
.price-main h3 span { display: block; font-size: 17px; font-weight: 400; letter-spacing: 0; margin-top: 9px; }
.price-main > p:not(.trial-label) { max-width: 400px; font-size: 14px; color: var(--muted); }
.paid-price { border-top: 1px solid var(--line); padding-top: 22px; margin: 23px 0 12px; }
.paid-price strong { display: block; font-size: 25px; line-height: 1.2; letter-spacing: -.025em; }
.paid-price > span { display: block; margin-top: 7px; font-size: 14px; }
.price-main .payment-note { font-size: 12px; line-height: 1.65; }
.price-main .button { margin-top: 24px; }
.free-features { padding: 40px 36px; border-left: 1px solid var(--line); background: var(--surface-high); border-radius: 0 12px 12px 0; }
.free-features h3 { max-width: 320px; margin: 20px 0 24px; font-size: 29px; letter-spacing: -.035em; line-height: 1.2; }
.free-features ul { list-style: none; padding: 0; margin: 0 0 24px; }
.free-features li { display: flex; gap: 12px; padding-block: 11px; border-bottom: 1px solid var(--line); font-size: 15px; }
.free-features li::before { content: "✓"; color: var(--data); }
.free-features > p { color: var(--muted); font-size: 14px; max-width: 390px; }
.questions { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 56px; border-top: 1px solid var(--line); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 22px 0; list-style: none; cursor: pointer; font-size: 16px; font-weight: 600; line-height: 1.45; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--data); font-size: 24px; font-weight: 400; flex: none; line-height: 1; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list p { padding: 0 26px 24px 0; font-size: 15px; color: var(--muted); line-height: 1.7; }
.faq-list code { font: .9em var(--mono); }
.faq-list a { display: inline-block; }
.closing { display: flex; justify-content: space-between; align-items: center; gap: 32px; border-top: 2px solid var(--action); padding-block: 58px; }
.closing h2 { margin-bottom: 12px; }
.closing .section-code { margin-bottom: 16px; }
.closing-action { flex: none; }
.closing-action .action-note { text-align: center; }
.site-footer { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; min-height: 100px; padding-block: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-brand { display: flex; align-items: center; min-height: 44px; color: var(--text); font-size: 13px; font-weight: 800; text-decoration: none; letter-spacing: .04em; }
.footer-caption { margin-right: auto; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 24px; }
.site-footer nav a { display: inline-flex; align-items: center; min-height: 44px; }
.mobile-cta { display: none; }
@media (max-width: 1050px) {
  .shell, .section-shell { width: min(100% - 64px, 1160px); }
  .hero { gap: 32px; }
  .main-nav { gap: 18px; }
  .main-nav a, .header-cta { font-size: 13px; }
  .header-cta { padding-inline: 12px; gap: 8px; }
  .hero h1 { font-size: clamp(42px, 5.5vw, 65px); }
  .step { padding-inline: 16px; }
  .step h3 { font-size: 18px; }
  .support-layout { gap: 36px; }
  .questions { gap: 32px; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); }
}
@media (max-width: 760px) {
  .shell, .section-shell { width: calc(100% - 40px); }
  .site-header { min-height: 76px; flex-wrap: wrap; gap: 6px 20px; padding-block: 12px; }
  .main-nav { order: 3; margin: 0; width: 100%; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 2px; }
  .header-cta { margin-left: auto; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 36px; padding-block: 40px 50px; }
  .hero h1 { font-size: clamp(42px, 8vw, 64px); }
  .hero-lead { font-size: 17px; }
  .hero-caption { margin-top: 24px; }
  .day-card { max-width: 540px; width: 100%; justify-self: center; box-shadow: 5px 5px 0 color-mix(in srgb, var(--text) 5%, transparent); }
  .rhythm { flex-wrap: wrap; gap: 2px 14px; font-size: 14px; padding-block: 20px; }
  .rhythm > span:first-child { width: 100%; }
  .rhythm-mark { font-size: 24px; }
  .section-shell { padding-block: 56px; }
  .section-heading h2, .closing h2 { font-size: clamp(31px, 6vw, 42px); }
  .section-heading > p:last-child:not(.section-code) { font-size: 16px; }
  .steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 30px; }
  .step { padding: 24px 20px; }
  .step:nth-child(3) { border-left: 0; padding-left: 0; }
  .step:nth-child(n+3) { border-top: 1px solid var(--line); }
  .step:nth-child(2) { padding-right: 0; }
  .step-number { margin-bottom: 18px; }
  .support-layout, .price-layout, .questions { grid-template-columns: minmax(0, 1fr); }
  .support-layout { gap: 32px; margin-top: 28px; }
  .price-main, .free-features { padding: 28px; }
  .free-features { border-left: 0; border-top: 1px solid var(--line); border-radius: 0 0 12px 12px; }
  .questions { gap: 16px; }
  .closing { flex-direction: column; align-items: flex-start; gap: 24px; padding-block: 44px; }
  .closing-action .action-note { text-align: left; }
  .site-footer { align-items: flex-start; gap: 4px; flex-direction: column; padding-block: 24px; }
  .site-footer nav { gap: 22px; margin-top: 8px; }
  .mobile-cta { display: block; position: fixed; z-index: 10; bottom: 0; left: 0; right: 0; padding: 10px 20px calc(10px + env(safe-area-inset-bottom)); background: var(--background); border-top: 1px solid var(--line); }
  .mobile-cta .button { width: 100%; min-height: 48px; }
  body { padding-bottom: calc(84px + env(safe-area-inset-bottom)); }
}
@media (max-width: 400px) {
  .brand { gap: 9px; }
  .brand-name { font-size: 13px; }
  .brand-mark { width: 26px; height: 26px; }
  .header-cta { font-size: 12px; padding-inline: 10px; }
  .eyebrow { font-size: 10px; }
  .hero h1 { font-size: 42px; }
  .hero .button { width: 100%; }
  .action-note { font-size: 11px; }
  .card-topline { padding-inline: 18px; font-size: 10px; }
  .day-goal, .day-checkin { padding-inline: 20px; }
  .day-action { margin-inline: 10px; padding-inline: 14px; }
  .day-action h3 { font-size: 20px; }
  .day-footnote { padding-inline: 20px; font-size: 11px; }
  .step { padding-inline: 14px; }
  .step h3 { font-size: 18px; }
  .step p { font-size: 14px; }
  .evening-card { padding: 22px; }
  .evening-card h3 { font-size: 24px; }
  .evening-card dl > div { grid-template-columns: 74px minmax(0, 1fr); gap: 10px; }
  .price-main, .free-features { padding: 24px; }
  .price-main h3 { font-size: 32px; }
  .free-features h3 { font-size: 27px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}