:root {
  --ink: #061f28;
  --ink-2: #0b3941;
  --teal: #007f78;
  --teal-bright: #0ca39a;
  --lime: #a5bf13;
  --lime-light: #d5e26a;
  --paper: #f8f7ef;
  --white: #ffffff;
  --muted: #c7d4d3;
  --text: #17323a;
  --shadow: 0 30px 80px rgba(0, 18, 24, .22);
  --radius: 24px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.65; }
img { max-width: 100%; display: block; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link { position: fixed; top: 8px; left: 8px; padding: 10px 16px; background: var(--white); color: var(--ink); z-index: 100; transform: translateY(-150%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: absolute; inset: 0 0 auto; z-index: 20; max-width: var(--max); margin: 0 auto; padding: 24px 28px; display: flex; justify-content: space-between; align-items: center; color: var(--white); }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; text-transform: uppercase; letter-spacing: .08em; }
.brand img { border-radius: 12px; }
.brand span { display: flex; flex-direction: column; line-height: 1.05; }
.brand strong { font-size: .92rem; }
.brand small { color: var(--lime-light); font-size: .73rem; margin-top: 5px; letter-spacing: .16em; }
.site-header nav { display: flex; align-items: center; gap: 28px; font-size: .9rem; font-weight: 700; }
.site-header nav a { text-decoration: none; opacity: .88; transition: opacity .2s, color .2s; }
.site-header nav a:hover, .site-header nav a:focus-visible { opacity: 1; color: var(--lime-light); }
.site-header .nav-cta { border: 1px solid rgba(255,255,255,.45); padding: 10px 16px; border-radius: 999px; }
.menu-button { display: none; border: 0; background: transparent; padding: 10px; }
.menu-button span { display: block; width: 25px; height: 2px; background: var(--white); margin: 5px 0; }
.mobile-nav { position: absolute; z-index: 19; top: 78px; left: 18px; right: 18px; padding: 16px; border-radius: 16px; background: var(--white); box-shadow: var(--shadow); }
.mobile-nav a { display: block; padding: 11px; text-decoration: none; font-weight: 750; color: var(--ink); }

.hero { min-height: 790px; display: grid; align-items: center; overflow: hidden; color: var(--white); background: radial-gradient(circle at 72% 42%, rgba(0,157,147,.55), transparent 27%), linear-gradient(135deg, #031820 0%, #07323b 55%, #041c24 100%); position: relative; padding: 125px 28px 80px; }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .12; background-image: radial-gradient(var(--lime) 1px, transparent 1px); background-size: 24px 24px; mask-image: linear-gradient(90deg, #000, transparent 35%); }
.hero-grid { position: relative; width: min(100%, var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1.08fr .92fr; gap: 72px; align-items: center; }
.eyebrow, .section-kicker { margin: 0 0 18px; text-transform: uppercase; letter-spacing: .19em; font-weight: 850; font-size: .78rem; color: var(--lime); }
.prelaunch-badge { display: inline-block; margin: 0 0 22px; padding: 9px 15px; border: 1px solid rgba(213,226,106,.7); border-radius: 999px; color: var(--lime-light); background: rgba(3,24,32,.5); font-size: .82rem; font-weight: 800; line-height: 1.4; }
.hero h1 { max-width: 760px; margin: 0; font-size: clamp(2.55rem, 5.1vw, 4.76rem); line-height: 1; letter-spacing: -.05em; text-wrap: balance; }
.hero-lead { max-width: 700px; color: #e1ebea; font-size: clamp(1.08rem, 2vw, 1.32rem); line-height: 1.55; margin: 28px 0; }
.hero-audience { display: flex; gap: 9px; flex-wrap: wrap; }
.hero-audience span { border: 1px solid rgba(205,223,102,.55); color: var(--lime-light); border-radius: 999px; padding: 7px 12px; font-size: .79rem; font-weight: 760; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; border-radius: 999px; padding: 0 24px; font-size: .94rem; font-weight: 850; text-decoration: none; border: 0; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover:not(:disabled), .button:focus-visible:not(:disabled) { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0,0,0,.18); }
.button-primary { color: var(--ink); background: var(--lime); }
.button-primary:hover:not(:disabled) { background: var(--lime-light); }
.button:disabled { cursor: not-allowed; opacity: .62; }
.text-link { color: var(--white); font-weight: 760; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.assurance { color: #aec3c2; font-size: .87rem; margin-top: 24px; }
.book-stage { min-height: 560px; display: grid; place-items: center; position: relative; }
.book-glow { position: absolute; width: 420px; height: 420px; border-radius: 50%; background: var(--teal-bright); filter: blur(90px); opacity: .33; }
.book-cover { position: relative; width: min(455px, 84vw); filter: drop-shadow(20px 28px 28px rgba(0,0,0,.32)); }
.edition-card { position: absolute; right: -18px; bottom: 6px; z-index: 3; width: 235px; padding: 18px; border: 2px solid var(--lime); border-radius: 14px; background: rgba(3,24,32,.94); backdrop-filter: blur(12px); box-shadow: 0 22px 42px rgba(0,0,0,.34); transform: rotate(-4deg); transform-origin: center; }
.edition-card strong, .edition-card span { display: block; }
.edition-card strong { color: var(--lime-light); font-size: .85rem; }
.edition-card span { color: #d5e0df; font-size: .75rem; margin-top: 3px; }

.problem-band { background: var(--lime); color: var(--ink); padding: 54px max(28px, calc((100vw - var(--max))/2)); display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: center; }
.problem-band .section-kicker { color: var(--ink); opacity: .62; margin-bottom: 8px; }
.problem-band h2 { margin: 0; font-size: clamp(1.9rem, 4vw, 3.2rem); line-height: 1.05; letter-spacing: -.035em; }
.problem-band > p { margin: 0; font-size: 1.08rem; font-weight: 620; }

.section { padding: 110px 28px; }
.section > * { width: min(100%, var(--max)); margin-left: auto; margin-right: auto; }
.section-heading { text-align: center; max-width: 770px; }
.section-heading h2, .contents-intro h2, .practical-copy h2, .bonus-heading h2, .author-copy h2, .offer h2, .future-heading h2, .faq-heading h2, .partnership h2, .closing-cta h2 { margin: 0; color: var(--ink); font-size: clamp(2.2rem, 4.5vw, 4rem); line-height: 1.04; letter-spacing: -.045em; text-wrap: balance; }
.section-heading > p:last-child, .contents-intro > p:last-child, .practical-copy > p:last-child, .future-heading > p:last-child { font-size: 1.08rem; max-width: 720px; margin: 22px auto 0; }
.journey-grid { margin-top: 62px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.journey-grid article { min-height: 190px; display: grid; grid-template-columns: 70px 1fr; gap: 18px; padding: 30px; background: var(--white); border-radius: var(--radius); box-shadow: 0 12px 35px rgba(5,31,40,.07); }
.journey-grid article > span { font-size: 1.8rem; font-weight: 900; color: var(--lime); line-height: 1; }
.journey-grid h3, .feature-grid h3, .bonus-grid h3, .future-grid h3 { margin: 0 0 9px; color: var(--ink); font-size: 1.25rem; line-height: 1.25; }
.journey-grid p, .feature-grid p, .bonus-grid p, .future-grid p { margin: 0; }

.contents { background: var(--ink); color: #dce7e6; display: grid; grid-template-columns: .82fr 1.18fr; gap: 85px; }
.contents, .practical, .author, .offer, .faq { padding-left: max(28px, calc((100vw - var(--max))/2)); padding-right: max(28px, calc((100vw - var(--max))/2)); }
.contents > * { width: auto; margin: 0; }
.contents .section-kicker { color: var(--lime-light); }
.contents-intro h2 { color: var(--white); }
.chapter-list { margin: 0; padding: 0; list-style: none; columns: 2; column-gap: 18px; }
.chapter-list li { break-inside: avoid; min-height: 68px; display: flex; align-items: center; gap: 14px; padding: 13px 15px; margin-bottom: 12px; border: 1px solid rgba(255,255,255,.12); border-radius: 12px; background: rgba(255,255,255,.035); }
.chapter-list span { flex: 0 0 30px; font-size: .75rem; color: var(--lime); font-weight: 900; letter-spacing: .09em; }
.chapter-list strong { color: var(--white); line-height: 1.3; }

.practical { display: grid; grid-template-columns: .78fr 1.22fr; gap: 70px; align-items: start; }
.practical > * { width: auto; margin: 0; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 15px; }
.feature-grid article { border-top: 4px solid var(--lime); background: var(--white); padding: 25px; border-radius: 0 0 18px 18px; box-shadow: 0 10px 28px rgba(5,31,40,.06); }
.feature-grid article > span { display: inline-grid; place-items: center; width: 30px; height: 30px; margin-bottom: 18px; border-radius: 50%; background: var(--lime); color: var(--ink); font-weight: 900; }

.bonuses { background: #e9eee9; }
.bonus-heading { max-width: 760px; text-align: center; }
.bonus-grid { margin-top: 52px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.bonus-grid article { padding: 38px; border-radius: var(--radius); background: var(--white); border: 1px solid #d5ddda; position: relative; overflow: hidden; }
.bonus-grid article::after { content: ""; position: absolute; width: 180px; height: 180px; border: 28px solid var(--lime); border-radius: 50%; right: -100px; top: -100px; opacity: .12; }
.bonus-number { display: inline-block; margin-bottom: 20px; color: var(--teal); text-transform: uppercase; letter-spacing: .15em; font-size: .76rem; font-weight: 900; }
.bonus-grid h3 { font-size: 1.7rem; max-width: 430px; }
.bonus-grid ul, .offer ul { padding: 0; margin: 24px 0 0; list-style: none; }
.bonus-grid li, .offer li { position: relative; padding: 8px 0 8px 28px; }
.bonus-grid li::before, .offer li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 900; }

.author { display: grid; grid-template-columns: .58fr 1.42fr; gap: 72px; align-items: center; }
.author > * { width: auto; margin: 0; }
.author-photo-wrap { position: relative; width: 78%; justify-self: center; }
.author-photo-wrap img { width: 100%; aspect-ratio: 4/5; object-fit: cover; object-position: 52% 50%; border-radius: 28px 28px 100px 28px; filter: saturate(.88); box-shadow: var(--shadow); }
.author-photo-wrap span { position: absolute; bottom: 22px; left: 22px; padding: 9px 13px; background: var(--lime); color: var(--ink); border-radius: 999px; font-weight: 850; font-size: .8rem; }
.author-intro { font-size: 1.16rem; color: var(--ink); font-weight: 650; }
.author blockquote { margin: 30px 0 0; padding-left: 24px; border-left: 5px solid var(--lime); color: var(--teal); font-size: 1.3rem; font-weight: 850; font-style: italic; }

.offer { background: linear-gradient(135deg, #06232d, #0b4449); color: var(--white); display: grid; grid-template-columns: 1fr .72fr; gap: 78px; align-items: center; }
.offer > * { width: auto; margin: 0; }
.offer h2 { color: var(--white); }
.offer li { color: #d8e5e4; }
.offer li::before { color: var(--lime); }
.price-card { background: var(--white); color: var(--text); border-radius: 28px; padding: 38px; box-shadow: 0 35px 70px rgba(0,0,0,.28); text-align: center; }
.price-label { display: inline-block; padding: 7px 12px; border-radius: 999px; background: var(--lime); color: var(--ink); font-size: .76rem; font-weight: 900; text-transform: uppercase; letter-spacing: .11em; }
.regular-price { margin-top: 24px; color: #68787d; }
.price { color: var(--ink); font-size: 5rem; line-height: 1; font-weight: 950; letter-spacing: -.07em; }
.price small { font-size: 1.3rem; vertical-align: 1.9rem; letter-spacing: 0; }
.price span { font-size: 2.2rem; letter-spacing: -.03em; }
.payment-note { margin: 4px 0 22px; color: #66777c; font-size: .86rem; }
.launch-timing { padding: 18px 0; margin: 0 0 16px; border-top: 1px solid #e2e6e4; border-bottom: 1px solid #e2e6e4; color: var(--teal); font-weight: 800; font-size: .9rem; line-height: 1.5; }
.button-wide { width: 100%; font-size: 1rem; }
.hotmart-status, .secure-note { font-size: .76rem; color: #6d7d81; line-height: 1.45; }
.hotmart-status { margin: 0 0 14px; }
.secure-note { margin: 16px 0 0; }

.future-heading { max-width: 790px; }
.future-heading > p:last-child { margin-left: 0; }
.video-edition { margin-top: 48px; padding: 28px 32px; display: grid; grid-template-columns: auto 1fr auto; gap: 26px; align-items: center; border-radius: 20px; color: var(--white); background: linear-gradient(135deg, var(--ink), var(--ink-2)); box-shadow: 0 18px 40px rgba(5,31,40,.13); }
.video-edition-label { align-self: start; padding: 7px 11px; border-radius: 999px; color: var(--ink); background: var(--lime); font-size: .71rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.video-edition h3 { margin: 0 0 6px; color: var(--white); font-size: 1.35rem; }
.video-edition p { margin: 0; color: #d7e4e3; }
.video-edition p em { color: var(--white); }
.video-edition > strong { max-width: 210px; color: var(--lime-light); font-size: .84rem; line-height: 1.45; }
.future-grid { margin-top: 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.future-grid article { min-height: 315px; padding: 25px; border: 1px solid #d8dfdc; border-radius: 18px; display: flex; flex-direction: column; }
.future-grid article > span { color: var(--lime); font-size: 2rem; font-weight: 950; }
.future-grid h3 { margin-top: 18px; }
.future-grid em { margin-top: auto; color: var(--teal); font-style: normal; font-size: .77rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.future-grid small { margin-top: 8px; color: #6b7c80; line-height: 1.4; }

.partnership { width: min(calc(100% - 56px), var(--max)); margin: 0 auto 110px; padding: 58px; border-radius: 28px; display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 42px; align-items: center; background: var(--lime); color: var(--ink); }
.partnership .section-kicker { color: var(--ink); opacity: .6; }
.partnership h2 { font-size: clamp(1.8rem, 3.2vw, 3rem); }
.partnership p { margin: 0; }
.button-outline { border: 2px solid var(--ink); color: var(--ink); white-space: nowrap; }

.faq { background: #e9eee9; display: grid; grid-template-columns: .6fr 1.4fr; gap: 72px; align-items: start; }
.faq > * { width: auto; margin: 0; }
.faq-list details { border-bottom: 1px solid #c5cfcc; }
.faq-list summary { cursor: pointer; padding: 22px 42px 22px 0; font-size: 1.04rem; font-weight: 820; color: var(--ink); list-style: none; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 8px; top: 18px; font-size: 1.7rem; color: var(--teal); font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 42px 22px 0; }

.closing-cta { padding: 72px max(28px, calc((100vw - var(--max))/2)); display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; background: var(--ink); color: var(--white); }
.closing-cta img { border-radius: 18px; }
.closing-cta .section-kicker { margin-bottom: 8px; }
.closing-cta h2 { color: var(--white); font-size: clamp(1.8rem, 3vw, 3rem); }

footer { padding: 42px max(28px, calc((100vw - var(--max))/2)); display: grid; grid-template-columns: 1.2fr 1fr; gap: 18px; align-items: center; background: #021218; color: #a8bab9; font-size: .78rem; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { border-radius: 10px; }
.footer-brand span { display: flex; flex-direction: column; }
.footer-brand strong { color: var(--white); }
.footer-note { grid-column: 2; margin: -12px 0 0; }

:focus-visible { outline: 3px solid var(--lime-light); outline-offset: 4px; }

@media (max-width: 1000px) {
  .site-header nav { display: none; }
  .menu-button { display: block; }
  .hero-grid { grid-template-columns: 1fr .8fr; gap: 30px; }
  .hero h1 { font-size: clamp(2.3rem, 5.1vw, 3.9rem); }
  .book-stage { min-height: 470px; }
  .contents, .practical, .offer, .author { gap: 48px; }
  .future-grid { grid-template-columns: repeat(2, 1fr); }
  .video-edition { grid-template-columns: 1fr; }
  .video-edition > strong { max-width: none; }
  .partnership { grid-template-columns: 1fr 1fr; }
  .partnership .button { grid-column: 1 / -1; width: max-content; }
}

@media (max-width: 760px) {
  .site-header { padding: 18px 20px; }
  .hero { padding: 112px 20px 72px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2.3rem, 11vw, 3.75rem); }
  .hero-lead { font-size: 1.06rem; }
  .book-stage { min-height: 500px; margin-top: 32px; }
  .edition-card { right: 0; bottom: 4px; transform: rotate(-3deg); }
  .problem-band, .contents, .practical, .author, .offer, .faq { grid-template-columns: 1fr; gap: 38px; }
  .problem-band { padding: 48px 22px; }
  .section { padding: 80px 22px; }
  .journey-grid, .bonus-grid { grid-template-columns: 1fr; }
  .chapter-list { columns: 1; }
  .author-photo-wrap { width: 78%; max-width: 375px; }
  .partnership { padding: 38px 28px; grid-template-columns: 1fr; }
  .partnership .button { grid-column: auto; width: 100%; white-space: normal; text-align: center; }
  .closing-cta { grid-template-columns: auto 1fr; }
  .closing-cta .button { grid-column: 1 / -1; width: 100%; }
  footer { grid-template-columns: 1fr; }
  .footer-note { grid-column: auto; margin: 0; }
}

@media (max-width: 520px) {
  .brand strong { font-size: .78rem; }
  .brand small { font-size: .63rem; }
  .hero-actions .button, .hero-actions .text-link { width: 100%; text-align: center; }
  .journey-grid article { grid-template-columns: 48px 1fr; padding: 23px; }
  .feature-grid, .future-grid { grid-template-columns: 1fr; }
  .bonus-grid article, .price-card { padding: 28px 23px; }
  .price { font-size: 4.4rem; }
  .closing-cta { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}