:root { --ink: #20251f; --paper: #f4f0e8; --clay: #bc512f; --sage: #d9ddc8; --line: #c9c6bb; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "DM Sans", sans-serif; font-size: 16px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
.site-header { height: 74px; max-width: 1240px; margin: auto; padding: 0 32px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { font: 700 17px "Libre Baskerville", serif; }
.header-cta, .text-link { font-weight: 700; font-size: 14px; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.hero { max-width: 1240px; min-height: 680px; margin: auto; padding: 92px 32px 74px; display: grid; grid-template-columns: 1.12fr .88fr; gap: 72px; align-items: center; }
.eyebrow, .section-label { letter-spacing: .13em; font-size: 11px; font-weight: 700; margin: 0 0 20px; }
h1, h2, h3 { font-family: "Libre Baskerville", serif; line-height: 1.15; margin: 0; }
h1 { font-size: clamp(39px, 5vw, 66px); letter-spacing: -.045em; max-width: 740px; }
.lead { max-width: 620px; font-size: 20px; margin: 30px 0 24px; }
.book-title { font: 700 24px "Libre Baskerville", serif; margin: 0 0 6px; }
.subtitle { max-width: 560px; margin: 0 0 31px; }
.button { display: inline-flex; align-items: center; gap: 20px; padding: 17px 23px; font-weight: 700; transition: transform .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--clay); }
.microcopy { font-size: 12px; margin: 13px 0 0; color: #5d625b; }
.hero-art { position: relative; min-height: 440px; display: grid; place-items: center; }
.sunburst { position: absolute; width: 410px; height: 410px; border-radius: 50%; background: repeating-conic-gradient(from 12deg, var(--sage) 0deg 5deg, transparent 5deg 15deg); }
.book-cover { position: relative; z-index: 1; width: min(285px, 72%); box-shadow: 13px 16px 0 #20251f, 20px 26px 28px rgba(32,37,31,.22); }
.cover-caption { position: absolute; z-index: 1; bottom: 2px; font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.section-grid { max-width: 1240px; margin: auto; padding: 102px 32px; display: grid; grid-template-columns: 1fr 2fr; gap: 90px; }
.section-grid h2, .learn h2, .final-cta h2 { font-size: clamp(30px, 3.5vw, 46px); letter-spacing: -.035em; }
.section-grid p:not(.section-label) { font-size: 18px; max-width: 680px; margin: 24px 0 0; }
.problem { border-top: 1px solid var(--line); }
.learn { background: var(--ink); color: var(--paper); padding: 100px max(32px, calc((100vw - 1176px) / 2)); }
.learn-intro { max-width: 770px; }
.learn-intro h2 { margin-bottom: 58px; }
.cards { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #62675e; }
.card { padding: 25px 22px 16px 0; margin-right: 20px; }
.card + .card { border-left: 1px solid #62675e; padding-left: 21px; }
.card span { color: #cad69d; font-size: 13px; font-weight: 700; }
.card h3 { font-size: 21px; margin: 49px 0 13px; }
.card p { color: #d4d6cf; font-size: 14px; margin: 0; }
.quote-section { background: var(--sage); text-align: center; padding: 108px 32px; }
blockquote { max-width: 900px; margin: 0 auto 35px; font: 400 clamp(31px, 4vw, 53px)/1.25 "Libre Baskerville", serif; letter-spacing: -.035em; }
.author { border-bottom: 1px solid var(--line); }
.final-cta { background: var(--clay); color: #fff; text-align: center; padding: 105px 32px; }
.final-cta h2 { max-width: 740px; margin: auto; }
.final-cta > p:not(.eyebrow) { font-size: 18px; margin: 21px 0 31px; }
.button-light { background: var(--paper); color: var(--ink); }
footer { color: #d8d1c3; background: var(--ink); text-align: center; padding: 25px; font-size: 12px; }
@media (max-width: 760px) { .site-header { height: 63px; padding: 0 20px; } .header-cta { font-size: 12px; } .hero { min-height: auto; grid-template-columns: 1fr; gap: 32px; padding: 60px 24px 62px; } .lead { font-size: 18px; } .hero-art { min-height: 350px; grid-row: 1; } .sunburst { width: 310px; height: 310px; } .book-cover { width: 205px; box-shadow: 9px 11px 0 #20251f, 17px 23px 25px rgba(32,37,31,.2); } .section-grid { grid-template-columns: 1fr; gap: 18px; padding: 66px 24px; } .section-grid p:not(.section-label) { font-size: 16px; } .learn { padding: 67px 24px; } .learn-intro h2 { margin-bottom: 38px; } .cards { grid-template-columns: 1fr 1fr; } .card { margin: 0; padding: 23px 14px 30px 0; } .card + .card { padding-left: 14px; } .card:nth-child(3) { border-left: 0; } .card h3 { margin-top: 34px; font-size: 18px; } .quote-section, .final-cta { padding: 72px 24px; } }
@media (max-width: 390px) { .brand { font-size: 14px; } .cards { grid-template-columns: 1fr; } .card + .card, .card:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid #62675e; } }