:root {
  --navy: #061a36;
  --navy-2: #0a2d57;
  --cream: #fff8e9;
  --paper: #fffdf7;
  --orange: #f04a1d;
  --yellow: #f6aa16;
  --teal: #0f9cab;
  --purple: #8540a8;
  --ink: #10223d;
  --muted: #586779;
  --line: rgba(16, 34, 61, .14);
  --radius: 24px;
  --shadow: 0 24px 70px rgba(3, 21, 45, .18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: fixed; top: -60px; left: 20px; z-index: 999; background: white; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,253,247,.9); backdrop-filter: blur(18px); border-bottom: 1px solid var(--line); }
.nav-wrap { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 14px; background: var(--navy); color: white; font-weight: 900; font-size: 13px; letter-spacing: .03em; transform: rotate(-3deg); }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 17px; }
.brand small { color: var(--muted); margin-top: -2px; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { text-decoration: none; font-weight: 650; font-size: 15px; }
.site-nav a:hover { color: var(--orange); }
.nav-toggle { display: none; border: 0; background: transparent; font-size: 28px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 0 24px; border: 0; border-radius: 999px; background: var(--orange); color: white; text-decoration: none; font-weight: 850; box-shadow: 0 10px 24px rgba(240,74,29,.25); cursor: pointer; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(240,74,29,.32); }
.button-small { min-height: 42px; padding-inline: 18px; color: white !important; }
.hero { position: relative; overflow: hidden; background: linear-gradient(104deg, var(--navy) 0%, var(--navy-2) 55%, var(--cream) 55.1%, var(--cream) 100%); }
.hero-grid { min-height: 720px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 80px; padding-block: 76px; }
.hero-copy { color: white; position: relative; z-index: 2; }
.eyebrow { margin: 0 0 14px; color: var(--teal); font-weight: 900; text-transform: uppercase; letter-spacing: .12em; font-size: 13px; }
.hero .eyebrow { color: #74e1e8; }
h1, h2, h3 { line-height: 1.05; letter-spacing: -.03em; margin-top: 0; }
h1 { margin-bottom: 26px; font-size: clamp(48px, 6vw, 82px); }
h1 span { position: relative; }
h1 span::after { content: ""; position: absolute; left: 0; right: -5px; bottom: -6px; height: 8px; background: var(--purple); border-radius: 100%; transform: rotate(-1deg); }
h1 em { display: inline-block; font-style: normal; font-size: 1.14em; background: linear-gradient(90deg, var(--orange), var(--yellow), var(--teal), var(--purple)); background-clip: text; -webkit-background-clip: text; color: transparent; }
.hero-subtitle { font-size: 22px; font-weight: 750; max-width: 680px; }
.hero-text { color: rgba(255,255,255,.78); max-width: 650px; font-size: 17px; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 34px; }
.text-link { font-weight: 800; text-decoration: none; }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 34px; color: rgba(255,255,255,.82); font-size: 14px; }
.book-stage { position: relative; min-height: 580px; display: grid; place-items: center; }
.book-cover { position: relative; z-index: 2; width: min(390px, 78%); height: auto; aspect-ratio: 731 / 1024; object-fit: contain; border-radius: 5px 12px 12px 5px; box-shadow: var(--shadow); transform: perspective(1000px) rotateY(-8deg) rotateZ(1deg); border-left: 10px solid #e9e0cf; }
.book-shadow { position: absolute; width: 390px; height: 60px; bottom: 48px; border-radius: 50%; background: rgba(4,17,34,.24); filter: blur(20px); }
.book-badge { position: absolute; z-index: 3; right: -12px; bottom: 86px; background: var(--yellow); color: var(--navy); padding: 15px 18px; border-radius: 10px; transform: rotate(4deg); box-shadow: 0 14px 28px rgba(30,30,30,.17); line-height: 1.2; }
.doodle { position: absolute; font-weight: 900; color: var(--purple); font-size: 54px; }
.doodle-one { left: 2%; top: 14%; transform: rotate(-12deg); }
.doodle-two { right: 2%; top: 9%; color: var(--orange); }
.doodle-three { left: 3%; bottom: 12%; color: var(--teal); font-size: 70px; }
.band { background: var(--orange); color: white; }
.statement-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; align-items: center; padding-block: 34px; }
.statement-grid p { margin: 0; font-weight: 750; }
.statement-grid h2 { margin: 0; font-size: clamp(28px, 4vw, 48px); }
.section { padding: 104px 0; }
.two-col { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; align-items: start; }
.section-intro h2, .section-heading h2, .author-copy h2, .excerpt-card h2, .buy-grid h2 { font-size: clamp(38px, 5vw, 64px); margin-bottom: 24px; }
.section-intro p:not(.eyebrow), .author-copy p, .buy-grid p { color: var(--muted); font-size: 18px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.feature-card { padding: 28px; background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 12px 34px rgba(8,34,66,.06); }
.feature-card span { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: #eefbfc; color: var(--teal); font-weight: 900; }
.feature-card h3 { margin: 20px 0 10px; font-size: 23px; }
.feature-card p { margin: 0; color: var(--muted); }
.readers-section { background: #f4f8fb; }
.section-heading { max-width: 800px; margin-bottom: 50px; }
.reader-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.reader-card { padding: 28px; background: white; border-radius: var(--radius); border-top: 5px solid var(--teal); box-shadow: 0 14px 38px rgba(9,32,60,.07); }
.reader-card:nth-child(2) { border-color: var(--yellow); }
.reader-card:nth-child(3) { border-color: var(--purple); }
.reader-card:nth-child(4) { border-color: var(--orange); }
.reader-card .icon { font-size: 38px; color: var(--orange); }
.reader-card h3 { margin: 16px 0 10px; font-size: 25px; }
.reader-card p { color: var(--muted); margin: 0; }
.quote-section { padding: 110px 0; background: var(--navy); color: white; text-align: center; overflow: hidden; }
.quote-wrap { max-width: 900px; position: relative; }
.quote-wrap blockquote { margin: 0; font-size: clamp(32px, 5vw, 58px); font-weight: 850; line-height: 1.18; letter-spacing: -.035em; }
.quote-wrap p { color: #74e1e8; font-weight: 800; }
.author-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: center; }
.author-art { min-height: 480px; border-radius: 38px; background: linear-gradient(145deg, var(--navy), #124f78); position: relative; display: grid; place-items: center; overflow: hidden; }
.portrait-placeholder { width: 245px; height: 245px; border-radius: 50%; border: 8px solid rgba(255,255,255,.18); background: linear-gradient(135deg, var(--orange), var(--yellow)); display: grid; place-items: center; box-shadow: 0 22px 60px rgba(0,0,0,.2); }
.portrait-placeholder span { color: white; font-size: 78px; font-weight: 950; letter-spacing: -.08em; }
.author-note { position: absolute; right: 22px; bottom: 25px; background: white; padding: 15px 20px; border-radius: 14px; color: var(--navy); font-weight: 900; transform: rotate(-3deg); }
.author-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.author-tags span { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; font-weight: 750; }
.excerpt-section { background: linear-gradient(110deg, #fff4d5, #eafafa); }
.excerpt-card { background: white; border-radius: 32px; box-shadow: var(--shadow); padding: 54px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.signup-form label { display: block; font-weight: 800; margin-bottom: 8px; }
.input-row { display: flex; gap: 10px; }
.input-row input { min-width: 0; flex: 1; min-height: 52px; border: 1px solid #cbd5df; border-radius: 999px; padding: 0 20px; font: inherit; }
.form-note, .small-print { color: var(--muted); font-size: 13px; }
.buy-section { background: var(--cream); }
.buy-grid { display: grid; grid-template-columns: 340px 1fr; align-items: center; gap: 80px; max-width: 950px; }
.buy-grid img { width: 310px; height: auto; aspect-ratio: 731 / 1024; object-fit: contain; border-radius: 4px 10px 10px 4px; box-shadow: var(--shadow); transform: rotate(-2deg); }
.amazon-button[aria-disabled="true"] { background: #ff9900; opacity: .86; }
.site-footer { background: #031329; color: white; padding: 58px 0; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 40px; }
.footer-grid p { color: rgba(255,255,255,.65); }
.footer-links { display: grid; gap: 8px; }
.footer-links a { text-decoration: none; }
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (max-width: 1100px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 78px; left: 20px; right: 20px; display: none; flex-direction: column; align-items: stretch; padding: 22px; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
}
@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav { position: absolute; top: 78px; left: 20px; right: 20px; display: none; flex-direction: column; align-items: stretch; padding: 22px; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
  .site-nav.open { display: flex; }
  .hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 56%, var(--cream) 56.1%); }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; padding-top: 62px; }
  .book-stage { min-height: 540px; }
  .two-col, .author-grid, .excerpt-card { grid-template-columns: 1fr; }
  .reader-grid { grid-template-columns: 1fr 1fr; }
  .statement-grid { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1160px); }
  .brand strong { font-size: 15px; }
  .hero-grid { min-height: auto; }
  h1 { font-size: 48px; }
  .hero-subtitle { font-size: 19px; }
  .hero-actions, .input-row { align-items: stretch; flex-direction: column; }
  .book-stage { min-height: 450px; }
  .book-badge { right: 0; bottom: 44px; font-size: 13px; }
  .section { padding: 74px 0; }
  .feature-grid, .reader-grid { grid-template-columns: 1fr; }
  .excerpt-card { padding: 30px 22px; }
  .buy-grid { grid-template-columns: 1fr; gap: 38px; }
  .buy-grid img { width: 250px; justify-self: center; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
